summaryrefslogtreecommitdiff
path: root/gcc/ChangeLog
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2009-08-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* aclocal.m4: Regenerate.
	* config.in: Regenerate.
	* configure: Regenerate.

2009-08-21  Douglas B Rupp  <rupp@gnat.com>
	    Olivier Hainque  <hainque@adacore.com>

	* config/ia64/ia64.c: Include libfuncs.h.
	(TARGET_PROMOTE_FUNCITON_MODE): Define target macro.
	(ia64_expand_call): Use reg 25 on VMS.
	(ia64_initialize_trampoline): Fix for VMS ABI.
	(ia64_function_arg_offset): Always returns 0 when TARGET_ABI_OPEN_VMS.
	(ia64_function_arg): Initialize reg 25 on VMS.
	Fix OpenVMS ABI issues for varargs.
	For OpenVMS, emit the Argument Information register set in the
	incoming/sibcall case as well.
	(ia64_arg_type): New function.
	(ia64_function_arg_advance): Keep track of cum->words.
	Fix OpenVMS ABI issues for varargs.
	(ia64_function_value): On VMS, promote mode of non-aggregate types.
	(ia64_override_options): Set flag_no_common on VMS.
	(ia64_init_builtins): Disable FWRITE builtin.
	(ia64_asm_output_external): Call DO_CRTL_NAMES.
	(ia64_vms_init_libfuncs): Add decc$ routines.
	(ia64_vms_valid_pointer_mode): New function.
	(ia64_struct_value_rtx): Allways NULL_RTX on VMS.
	(ia64_promote_function_mode): New function
	* config/ia64/ia64.h (TARGET_ABI_OPEN_VMS): Define as 0 for default.
	(LONG_DOUBLE_TYPE_SIZE): Force to 64 on VMS.
	(LIBCGC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
	(INIT_CUMULATIVE_ARGS): Add atypes for VMS.
	(INIT_CUMULATIVE_INCOMING_ARGS): Likewise.
	(ASM_OUTPUT_DEF): Use ISDIGIT instead of isdigit.
	Suppress trailing '#' if VALUE is numeric.
	* config/ia64/vms.h (PROMOTE_FUNCTION_MODE): Remove, code moved to
	ia64_promote_function_mode.
	(TARGET_VALID_POINTER_MODE): Define.

2009-08-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/40671
	* config/rs6000/rs6000.c (rs6000_override_options): Use
	TARGET_64BIT instead of TARGET_POWERPC64 to set the size of
	pointers.

	PR target/41145
	* config/rs6000/rs6000.c (rs6000_handle_altivec_attribute): Fix
	reporting of vector + decimal/boolean/complex error.

2009-08-21  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_init_builtins): Fix type of
	__vector double TYPE_DECL.

2009-08-21  Richard Earnshaw  <rearnsha@arm.com>

	* arm.h (MACHMODE): New define.  Include insn-modes.h if available.
	(CUMULATIVE_ARGS): Use MACHMODE for declaration of aapcs_vfp_mode.
	* arm.c (aapcs_vfp_is_call_or_return_candidate): Change base_mode
	to pointer to enum machine_mode.  Update all callers as needed.

2009-08-21 Uros Bizjak <ubizjak@gmail.com>

	* config/alpha/alpha.md (exception_receiver): Emit alternative
	GP load sequence if flag_reorder_blocks_and_partition is set.
	(*exception_receiver_2): Also enable when
	flag_reorder_blocks_and_partition is set.

2009-08-20  Matt Rice  <ratmice@gmail.com>
	    Diego Novillo  <dnovillo@google.com>

	* Makefile.in (PLUGIN_HEADERS): Include incpath.h and
	tree-ssa-sccvn.h.

2009-08-20  Richard Guenther  <rguenther@suse.de>

	* c-objc-common.h (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Do not
	define.
	* c-tree.h (c_dup_lang_specific_decl): Remove.
	(struct lang_decl, struct lang_type): Move definitions ...
	* c-lang.h: ... here.  New file.
	* c-decl.c: Include c-lang.h.
	(c_dup_lang_specific_decl): Remove.
	* c-typeck.c: Include c-lang.h.
	* Makefile.in (c-decl.o): Add c-lang.h dependency.
	(c-typeck.o): Likewise.
	* c-config-lang.in (gtfiles): Add c-lang.h.
	* gengtype.c (get_output_file_with_visibility): Handle c-lang.h
	like c-tree.h.

2009-08-20  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_end_function): Do not clear
	crtl->emit structure and free insn locators if cfun->is_thunk is true,
	this is now handled in generic code.

2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (Z10_PREDICT_DISTANCE): New macro.
	(s390_z10_fix_long_loop_prediction): New function.
	(s390_z10_optimize_cmp): INSN walk moved to callee - s390_reorg.
	(s390_reorg): Walk over the INSNs and invoke
	s390_z10_fix_long_loop_prediction and s390_z10_optimize_cmp.

2009-08-20  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md ("*brx_stage1_<GPR:mode>", "*brxg_64bit",
	"*brx_64bit", "*brx_31bit"): New patterns.
	* config/s390/s390.c ('E'): New output modifier.

2009-08-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
	    Richard Earnshaw  <richard.earnshaw@arm.com>

	* config/arm/arm.c (arm_emit_movpair): Handle CONST_INT.
	* config/arm/arm.md (*arm_movtas_ze): New pattern for movt.

2009-08-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.md (reload_inhi, reload_outhi, reload_inqi, reload_outqi): New
	patterns.
	* pa.c (emit_move_sequence): Check if address of operand1 is valid
	for mode mode of operand0 when doing secondary reload for SAR.

2009-08-19  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/41123
	* expr.c (expand_expr_real_1) <normal_inner_ref>: Handle all kinds
	of CONCAT, not just bitpos 0 bitsize size of the whole CONCAT.

2009-08-19  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi (C++ Dialect Options): Note change of minimum
	supported template depth in C++0x.

2009-08-19  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_output_mi_thunk): Don't call
	free_after_compilation.
	* config/score/score7.c (score7_output_mi_thunk): Likewise.
	* config/score/score3.c (score3_output_mi_thunk): Likewise.
	* config/ia64/ia64.c (ia64_output_mi_thunk): Likewise.
	* config/mips/mips.c (mips_output_mi_thunk): Likewise.
	* config/sh/sh.c (sh_output_mi_thunk): Likewise.
	* config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
	* config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.

2009-08-19  Ian Lance Taylor  <iant@google.com>

	* doc/md.texi (Insn Canonicalizations): Correct canonicalization
	of (plus (mult (neg B) C) A).

2009-08-18  Michael Matz  <matz@suse.de>

	* omp-low.c (optimize_omp_library_calls): Use types_compatible_p
	instead of comparing TYPE_MAIN_VARIANT for equality.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern,
	vect_recog_widen_mult_pattern, vect_recog_widen_sum_pattern): Ditto.
	* tree-vect-loop.c (vect_is_simple_reduction): Ditto.
	* gimplify.c (goa_lhs_expr_p): Ditto and use
	STRIP_USELESS_TYPE_CONVERSION.

2009-08-18  Michael Matz  <matz@suse.de>

	* tree-ssa-structalias.c (create_variable_info_for): Also mark
	first field in a struct.
	(intra_create_variable_infos): Don't deal with flag_argument_noalias.

2009-08-18  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_output_mi_thunk_osf): Allocate insn
	locators before emit_insn is called.  Remove assert that
	cfun->is_thunk.
	(alpha_end_function): Clear crtl->emit structure and free insn
	locators if cfun->is_thunk is true.

2009-08-18  Jason Merrill  <jason@redhat.com>

	* config/elfos.h (ASM_DECLARE_OBJECT_NAME): Use gnu_unique_object
	type if available.
	* configure.ac: Test for it.
	* configure, config.in: Regenerate.
	* doc/install.texi: Document --enable-gnu-unique-object.

2009-08-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41094
	* builtins.c (fold_builtin_pow): Fold pow(pow(x,y),z) to
	pow(x,y*z) only if x is nonnegative.

2009-08-18  Jakub Jelinek  <jakub@redhat.com>

	* bb-reorder.c (fix_up_fall_thru_edges): Only call invert_jump
	on jumps.

	PR target/40971
	* config/rs6000/rs6000.c (rs6000_legitimize_address): For
	[DT][FDI]mode ensure the offset isn't 4/8/12 bytes below 0x8000.

2009-08-17  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.md (UNS_FSETB, UNS_FREIT): New.
	* config/m32c/prologue.md (epilogue_freit): New.
	(fset_b): New.
	* config/m32c/m32c.c (m32c_function_needs_enter): Add prototype.
	(bank_switch_p): Likewise.
	(fast_interrupt_p): Likewise.
	(interrupt_p): Likewise.
	(m32c_conditional_register_usage): Round memregs size up.
	(need_to_save): We only need to save $a0 when we use ENTER.
	(interrupt_p): Check for fast_interrupt too.
	(bank_switch_p): New.
	(fast_interrupt_p): New.
	(m32c_attribute_table): Add bank_switch and fast_interrupt.
	(m32c_emit_prolog): Support bank switching and fast interrupts.
	* doc/extend.texi (Function Attributes): Add bank_switch and
	fast_interrupt.

2009-08-17  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (vms_valid_pointer_mode): New function.
	* config/alpha/vms.h (TARGET_VALID_POINTER_MODE): Define.

2009-08-16  Douglas B Rupp  <rupp@gnat.com>

	* doc/invoke.texi (Target options):
	Add new option list for IA-64/VMS.
	(menu): Add IA-64/VMS Options.
	(IA-64/VMS Options): Likewise.

2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/38599
	* config/mips/mips.md (*lwxs): Use :P for pointer values.

2009-08-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips-protos.h (mips_push_asm_switch): New function.
	(mips_pop_asm_switch): Likewise.
	* config/mips/mips.c (set_noreorder, set_nomacro, set_noat): Replace
	with...
	(mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
	(mips_push_asm_switch_1, mips_pop_asm_switch_1): New functions.
	(mips_push_asm_switch, mips_pop_asm_switch): Likewise.
	(mips_print_operand_punctuation): Use them.  Check mips_noreorder
	instead of set_noreorder.
	(mips_output_function_prologue): Use the new functions.
	(mips_output_function_epilogue): Likewise.
	(mips_need_noat_wrapper_p): New function, split out from...
	(mips_final_prescan_insn, mips_final_postscan_insn): ...here.
	Use mips_push_asm_switch and mips_pop_asm_switch.
	* config/mips/mips.h (FUNCTION_PROFILER): Use mips_push_asm_switch
	and mips_pop_asm_switch.
	(ASM_OUTPUT_REG_POP): Likewise.
	(DBR_OUTPUT_SEQEND): Remove boilerplate comment.
	Use mips_pop_asm_switch.
	(mips_asm_switch): New structure.
	(set_noreorder, set_nomacro): Replace with...
	(mips_noreorder, mips_nomacro, mips_noat): ...these new variables.
	* config/mips/mips.md (fix_truncdfsi2_macro): Use mips_nomacro
	instead of set_nomacro.
	(fix_truncsfsi2_macro): Likewise.
	(cprestore): Likewise.
	(hazard): Use mips_noreorder instead of set_noreorder.
	* config/mips/sdemtk.h (FUNCTION_PROFILER): As for mips.h.

2009-08-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_and_function): Handle NULL_RTX returned
	from prev_active_insn.

2009-08-16  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (AVR_HAVE_8BIT_SP): New macros.
	* config/avr/avr.c (avr_override_options): Initialize
	avr_current_arch variable.
	(avr_cpu_cpp_builtins): Define __AVR_HAVE_8BIT_SP__ or
	__AVR_HAVE_16BIT_SP__ according to the device type.
	(expand_prologue, output_movhi): Use AVR_HAVE_8BIT_SP instead of
	TARGET_TINY_STACK.
	(expand_epilogue): Use correct QI mode frame pointer for tiny stack.
	Use AVR_HAVE_8BIT_SP instead of TARGET_TINY_STACK.

2009-08-16  Dodji Seketeli  <dodji@redhat.com>

	PR debug/37801
	* gcc/dwarf2out.c (gen_inlined_subroutine_die): Concentrate on
	generating inlined subroutine die only. We shouldn't be
	called for anything else.
	(gen_block_die): Don't generate inline subroutine debug info for
	abstract blocks.

2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (print_pbb): Print PBB index.

2009-08-15  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/40981
	* graphite-interchange.c (ppl_max_for_le): Moved...
	* graphite-poly.c (pbb_number_of_iterations): Call ppl_max_for_le.
	* graphite-ppl.c (ppl_max_for_le): ... here.  Correct the use of
	ppl_Pointset_Powerset_C_Polyhedron_maximize.
	* graphite-ppl.h (ppl_max_for_le): Declared.

2009-08-14  Olatunji Ruwase <tjruwase@google.com>

	* doc/extend.texi (Symbol-Renaming Pragmas): redefine_extname is
	supported on all platforms.
	* target.h (struct gcc_target): Remove
	handle_pragma_redefine_extname.
	* c-cppbuiltin.c: Remove use of
	targetm.handle_pragma_redefine_extname.
	* c-pragma.c: Likewise.
	* target-def.h (TARGET_INITIALIZER): Remove
	TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.
	* config/sol2.h: Remove use of
	TARGET_HANDLE_PRAGMA_REDEFINE_EXTNAME.

2009-08-14  Douglas B Rupp  <rupp@gnat.com>

	* config/ia64/fde-vms.c: New file.
	* config/ia64/fde-glibc.c (_Unwind_FindTableEntry): Add dummy arg.
	* config/ia64/unwind-ia64.c (UNW_ accessors): Move to unwind-ia64.h
	(MD_UNW_COMPATIBLE_PERSONALITY_P): Provide default.
	(uw_frame_state_for): Only register a personality routine if it is
	known to be compatible with our expectations.
	(_Unwind_FindEnclosingFunction, uw_frame_state_for):
	Declare unw_table_entry stack variable and
	mod all calls to _Unwind_FindTableEntry to add arg.
	* config/ia64/unwind-ia64.h (UNW_ accessors): Move here.
	(_Unwind_FindTableEntry): Add arg to prototype.

2009-08-14  Eric Botcazou  <ebotcazou@adacore.com>

	* config/ia64/unwind-ia64.c (struct _Unwind_Context): Add new
	field 'signal_pfs_loc'.
	(uw_frame_state_for): Remove duplicate code dealing with leaf
	procedures without unwind info.
	If in the frame after unwinding through a signal handler, restore
	the AR.PFS register instead of the CFM if AR.PFS has not been saved.
	* config/ia64/linux-unwind.h (ia64_fallback_frame_state): Do not set
	'pfs_loc' to the AR.PFS location in the signal context; instead
	set 'signal_pfs_loc'.
	Manually generate the unwind info for the AR.PFS register.
	(ABI_MARKER_OLD_LINUX_SIGTRAMP, ABI_MARKER_OLD_LINUX_INTERRUPT,
	ABI_MARKER_LINUX_SIGTRAMP, ABI_MARKER_LINUX_INTERRUPT): Define.
	(ia64_handle_unwabi): Test 'fs->unwabi' against them.
	Do not set 'pfs_loc' to the AR.PFS location in the signal context;
	instead set 'signal_pfs_loc'.
	Remove code preventing the AR.PFS register from being restored
	from the signal context.

2009-08-14  Douglas B Rupp  <rupp@gnat.com>
	    Tristan Gingold  <gingold@adacore.com>

	* config.gcc (ia64-hp-*vms*): Insert ia64/t-ia64 in tmake_file.
	* config/ia64/t-vms: New file.
	* config/ia64/vms64.h: New file.
	* config/ia64/vms.h: New file.
	* config/ia64/vms-crtinit.asm: New file.
	* config/ia64/vms_symvec_libgcc_s.opt: New file.
	* config/ia64/vms-unwind.h: New file.

2009-08-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_conditional_move): Handle
	TFmode compares.

2009-08-14  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	PR middle-end/30789
	* builtins.c (do_mpc_arg2): Make extern, define for any MPC
	version.  Move declaration...
	* real.h (do_mpc_arg2): ... here.
	* fold-const.c (const_binop): Use MPC for complex MULT_EXPR
	and RDIV_EXPR.

2009-08-14  Rafael Avila de Espindola  <espindola@google.com>

	* final.c (add_debug_prefix_map): Don't use GC memory for
	old_prefix and new_prefix.

2009-08-14  Richard Guenther  <rguenther@suse.de>

	* ipa-prop.c (compute_complex_pass_through): If we cannot
	compute a non-varying offset for IPA_JF_ANCESTOR punt.

2009-08-14  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* c-lex.c (c_lex_with_flags): Increase size of local variable
	to avoid memory clobber.

2009-08-14  Paolo Bonzini  <bonzini@gnu.org>

	PR target/40934
	* config/i386/i386.c (ix86_fp_comparison_strategy):
	Only enable/disable sahf at function granularity.

2009-08-14  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/41064
	* reload1.c (reload_as_needed): Don't call extract_insn
	for known invalid replacements after calling
	validate_replace_rtx_group and verify_changes.

2009-08-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/41019
	* config/i386/sse.md (SSEMODE124C8): New mode iterator.
	(vcond<SSEMODEF2P:mode>): Assert that operation is supported by
	ix86_expand_fp_vcond.
	(vcond<SSEMODE124C8:mode>): Use SSEMODE124C8 instead of SSEMODE124.
	Assert that operation is supported by ix86_expand_int_vcond.
	(vcondu<SSEMODE124C8:mode>): Ditto.

2009-08-13  DJ Delorie  <dj@redhat.com>

	* config/i386/djgpp-stdint.h: New.
	* config.gcc (djgpp): Use it.

2009-08-13  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_override_options): When flag_exceptions or
	flag_unwind_tables is on, turn flag_reorder_blocks_and_partition off.

2009-08-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>

	* tree-ssa-loop-prefetch.c
	(prune_ref_by_group_reuse): Enhance probabilistic analysis
	for long-stride pruning.
	(compute_miss_rate): New function to compute the probability
	that two memory references access different cache lines.

2009-08-13  Dave Korn  <dave.korn.cygwin@gmail.com>

	* gcc/config/i386/cygwin.h (LINK_SPEC): Add --enable-auto-image-base.

2009-08-13  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41047
	* tree-ssa-ccp.c (ccp_fold): When folding pointer additions
	use the constant pointer type.
	* gimplify.c (canonicalize_addr_expr): Canonicalize independent
	of CV qualifiers on the target pointer type.
	* tree-ssa.c (useless_type_conversion_p): Move incomplete pointer
	conversion check before restrict check.

2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/41029
	* config/sh/sh.md (reload_outdf__RnFRm+4): Fix thinko.

2009-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_promote_function_mode): Add ATTRIBUTE_UNUSED.

2009-08-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41011
	* ipa-cp.c (ipcp_lattice_from_jfunc): Deal with failing fold
	and reference constructing.

2009-08-12  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/41012
	* tree-flow.h : New external interface.
	* gimple-low.c (check_call_arg): Change to public function.
	Remove argument mismatch check in lowering.
	* tree-inline.h (tree_can_inline_p): Interface change.
	* tree-inline.c (tree_can_inline_p): Fold argument mismatch check
	into this function.
	* ipa-inline.c (cgraph_decide_inlining_of_small_functions):
	Call change to tree_can_inline_p function.
	(cgraph_decide_inlining_incrementally): Ditto.

2009-08-12  Richard Sandiford  <rdsandiford@googlemail.com>

	PR tree-optimization/41031
	* tree-outof-ssa.c (insert_value_copy_on_edge): Use promote_decl_mode
	on the partition variable rather than promote_mode on the source
	type.  Assert that the partition variable's type has the same
	mode as the source value's.

2009-08-12  Paolo Bonzini  <bonzini@gnu.org>

	* doc/tm.texi (TARGET_PROMOTE_FUNCTION_MODE): Add documentation
	for for_return == 2.
	* function.c (assign_parm_setup_reg): Use for_return == 2, improve
	comments.
	* calls.c (expand_call): Fix typo.
	* explow.c (promote_decl_mode): Use for_return == 2 for RESULT_DECL
	and PARM_DECL.
	* stmt.c (expand_value_return): Use promote_function_mode to copy out
	of pseudo.
	* targhooks.c (default_promote_function_mode): Handle for_return == 2.
	* config/cris/cris.c (cris_promote_function_mode): Likewise.
	* config/mmix/mmix.c (mmix_promote_function_mode): Likewise.
	* config/pa/pa.c (pa_promote_function_mode): Likewise.

2009-08-12  Andrew Haley  <aph@redhat.com>

	* config/arm/arm.c (arm_init_libfuncs): Add __sync_synchronize.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	PR bootstrap/40103
	* graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".

2009-08-12  Richard Guenther  <rguenther@suse.de>

	* alias.c (get_alias_set): Honor TYPE_STRUCTURAL_EQUALITY_P.
	* gimplify.c (gimplify_modify_expr): Do not use
	lang_hooks.types_compatible_p.
	* tree-ssa.c (useless_type_conversion_p): For aggregates
	just return false if the canonical types differ.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/40980
	* sese.c (convert_for_phi_arg): New.
	(add_guard_exit_phis): Use convert_for_phi_arg.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Dont add
	unknown subscript upper bounds.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>
	    Pranav Garg  <pranav.garg2107@gmail.com>

	* graphite-interchange.c (gather_access_strides): Removed.
	(ppl_max_for_le): New.
	(build_linearized_memory_access): New.
	(memory_stride_in_loop): New.
	(pbb_interchange_profitable_p): Reimplemented.
	* graphite-ppl.h (ppl_new_id_map): New.
	(ppl_interchange): New.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-interchange.c (compute_subscript): Removed.
	(compute_array_size_cstr): Removed.
	(compute_array_size_poly): Removed.
	(compute_array_size): Removed.
	(gather_access_strides_poly): Removed.
	(gather_access_strides): Empty.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (dependence_polyhedron_1): Replace
	pdr_nb_subscripts with PDR_NB_SUBSCRIPTS.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-poly.c (new_poly_dr): Add a parameter nb_subscripts.
	Initialize PDR_NB_SUBSCRIPTS.
	(print_pdr_access_layout): Replace pdr_nb_subscripts with
	PDR_NB_SUBSCRIPTS.
	* graphite-poly.h (struct poly_dr): Add nb_subscripts field.
	(PDR_NB_SUBSCRIPTS): New.
	(pdr_nb_subscripts): Removed.
	(pdr_dim): Simplified.
	* graphite-sese-to-poly.c (build_poly_dr): Replace pdr_nb_subscripts
	with PDR_NB_SUBSCRIPTS.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-interchange.c (compute_array_size): Remove use of
	PDR_DATA_CONTAINER.
	* graphite-poly.c (new_poly_dr): Remove argument data_container.
	Do not initialize PDR_DATA_CONTAINER.
	(print_pdr): Do not print PDR_DATA_CONTAINER.
	* graphite-poly.h (struct poly_dr): Remove data_container field.
	(PDR_DATA_CONTAINER): Removed.
	* graphite-sese-to-poly.c (pdr_add_data_dimensions): Remove use of
	PDR_DATA_CONTAINER.
	(build_poly_dr): Same.

2009-08-12  Konrad Trifunovic  <konrad.trifunovic@gmail.com>
	    Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (graphite_legal_transform_dr): Work on a
	copy of the dependence polyhedron.  Free the temporary objects.
	(graphite_carried_dependence_level_k): Free unused objects before
	returning.

	* testsuite/gcc.dg/graphite/interchange-1.c: XFAILed.
	* testsuite/gcc.dg/graphite/interchange-2.c: XFAILed.
	* testsuite/gcc.dg/graphite/interchange-3.c: XFAILed.
	* testsuite/gcc.dg/graphite/interchange-4.c: XFAILed.
	* testsuite/gcc.dg/graphite/interchange-7.c: XFAILed.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-blocking.c (scop_do_strip_mine): Call store_scattering.
	Early return without analyzing the data dependences if no
	transform has been done.  Call restore_scattering if the transform
	is not legal.
	(graphite-interchange.c): Same.
	* graphite-poly.c (print_scattering_function): Test for
	PBB_TRANSFORMED.
	(graphite_read_transforms): Initialize PBB_TRANSFORMED.
	(apply_poly_transforms): Do not gcc_assert that
	the transform is legal.
	(new_poly_bb): Initialize PBB_TRANSFORMED, PBB_SAVED and PBB_ORIGINAL.
	Do not initialize PBB_NB_SCATTERING_TRANSFORM, PBB_NB_LOCAL_VARIABLES,
	PBB_TRANSFORMED_SCATTERING, and PBB_ORIGINAL_SCATTERING.
	(free_poly_dr): Free PBB_TRANSFORMED, PBB_SAVED, and PBB_ORIGINAL.
	* graphite-poly.h (struct poly_scattering): New.
	(struct poly_bb): Add original, transformed, and saved fields.
	Remove transformed_scattering, original_scattering,
	nb_local_variables and nb_scattering_transform fields.
	(PBB_ORIGINAL, PBB_TRANSFORMED, PBB_SAVED): New.
	(poly_scattering_new): New.
	(poly_scattering_free): New.
	(poly_scattering_copy): New.
	(store_scattering_pbb): New.
	(store_scattering): New.
	(restore_scattering_pbb): New.
	(restore_scattering): New.
	* graphite-sese-to-poly.c (build_pbb_scattering_polyhedrons):
	Initialize PBB_TRANSFORMED and PBB_ORIGINAL.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (print_pbb): Add parentheses in the pretty print.
	(print_scop): Same.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* Makefile.in (graphite.o): Depends on PREDICT_H.
	* graphite.c: Include predict.h.
	(graphite_finalize): Call tree_estimate_probability.
	* predict.c (predict_loops): Do not call scev_initialize and
	scev_finalize.
	(tree_estimate_probability_bb): New.
	(tree_estimate_probability): Do not initialize loops: move that
	code to the driver.  Call tree_estimate_probability_bb.
	(tree_estimate_probability_driver): New.
	(pass_profile): Use tree_estimate_probability_driver.
	* predict.h (tree_estimate_probability): Declared.

2009-08-12  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-clast-to-gimple.c (gloog): Add time to TV_GRAPHITE_CODE_GEN.
	* graphite-dependences.c (graphite_legal_transform): Add time to
	TV_GRAPHITE_DATA_DEPS.
	(dependency_between_pbbs_p): Same.
	* timevar.def (TV_GRAPHITE_DATA_DEPS, TV_GRAPHITE_CODE_GEN): New.

2009-08-12  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/41033
	* alias.c (nonoverlapping_component_refs_p): Punt when strict
	aliasing is disabled.

2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/predicates.md (qi_mask_operand, hi_mask_operand,
	si_mask_operand, and_load_operand, low_bitmask_operand,
	and_reg_operand, and_operand): New predicates.
	* config/mips/constraints.md (Yb, Yh, Yw, Yz): New constraints.
	* config/mips/mips.c (and_operands_ok): New function.
	* config/mips/mips-protos.h (and_operands_ok): Declare it.
	* config/mips/mips.md (move_type): Add ext_ins and logical.
	(type): Handle them.
	(and<mode>3): Use and_reg_operand as the second operand's predicate.
	(*and<mode>3): Add alternatives for lbu, lhu, lwu, <d>ext and
	shift_shift.  Remove commutative constraint modifier.
	(*and<mode>3_mips16): Add alternatives for lbu, lhu, lwu and
	shift_shift.
	(*clear_upper32_dext): Remove define_insn_and_split.
	(*clear_upper32): Turn this define_insn_and_split ...
	(splitter for ANDing register with 0xffff_ffff): .. into this.

2009-08-11  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (try_widen_shift_mode): Factor out code to check if an
	integer constant is a low-order bitmask from here ...
	* rtlanal.c (low_bitmask_len): ... to here.
	* rtl.h (low_bitmask_len): Declare.

2009-08-11  Uros Bizjak  <ubizjak@gmail.com>

	PR target/8603
	* config/alpha/alpha.md (addsi3): Remove expander.
	(addsi3): Rename from *addsi3_internal insn pattern.
	(subsi3): Remove expander.
	(subsi3): Rename from *subsi3_internal insn pattern.

2009-08-11  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_init_builtins): Nullify FWRITE and
	FWRITE_UNLOCKED.

2009-08-11  Vasiliy Fofanov  <fofanov@adacore.com>
	    Eric Botcazou  <botcazou@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_return_in_memory): On VMS, ensure
	that records that fit in 64 bits are returned by immediate value,
	as required by OpenVMS Calling Standard.
	(function_value): Adjust for above modification.
	(alpha_va_start) <TARGET_ABI_OPEN_VMS>: Use
	virtual_incoming_args_rtx as base object, not next_arg.
	* config/alpha/vms.h: (DEFAULT_PCC_STRUCT_RETURN): Define as 0.

2009-08-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* reload.c (find_reloads_subreg_address): Check the original
	req_equiv_mem address to detect the case where an address is
	not valid in the outer mode.

2009-08-11  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/40788
	* builtins.c (gimplify_va_arg_expr): Do not call SET_EXPR_LOCATION.

2009-08-10  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/vms.h (OPTIMIZATION_OPTIONS): Remove
	(OVERRIDE_OPTIONS): Incorporate removed OPTIMIZATION_OPTIONS.

2009-08-10  Olivier Hainque  <hainqueu@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_sa_size): Force procedure type to
	PT_STACK when frame_pointer_needed on OpenVMS.
	(alpha_pv_save_size, alpha_using_fp): Remove.
	(alpha_vms_can_eliminate): New function. Support for CAN_ELIMINATE
	with proper processing for PT_NULL.
	(alpha_vms_initial_elimination_offset): New function. Support for
	INITIAL_ELIMINATION_OFFSET with proper processing for PT_NULL.
	(alpha_sa_size): Force procedure type to PT_STACK when
	frame_pointer_needed on OpenVMS.
	* config/alpha/alpha-protos.h (alpha_pv_save_size): Remove prototype.
	(alpha_using_fp): Likewise.
	(alpha_vms_can_eliminate): Add prototype.
	(alpha_vms_initial_elimination_offset): Likewise.
	* config/alpha/vms.h (CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET):
	Call alpha_vms_can_eliminate and alpha_vms_initial_elimination_offset.

2009-08-10  Eric Botcazou  <botcazou@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (common_object_handler): New function.
	(vms_attribute_table): Declare a single attribute "common_object".
	(vms_output_aligned_decl_common): New global function.
	(SECTION_VMS_OVERLAY): Delete.
	(SECTION_VMS_GLOBAL): Likewise.
	(SECTION_VMS_INITIALIZE): Likewise.
	(vms_asm_named_section): Remove support for above flags.
	(vms_section_type_flags): Delete.
	(TARGET_SECTION_TYPE_FLAGS): Likewise.
	* config/alpha/alpha-protos.h (vms_output_aligned_decl_common): New.
	* config/alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Delete.
	(ASM_OUTPUT_ALIGNED_DECL_COMMON): New macro.

2009-08-10  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

	PR target/41015
	* longlong.h [__sh__] (udiv_qrnnd): Add T register to clobber list.
	(sub_ddmmss): Likewise.

2009-08-10  Andreas Tobler  <a.tobler@schweiz.org>

	PR bootstrap/41018
	* config/rs6000/freebsd.h: Define SVR4_ASM_SPEC. Adjust copyright
	year.

2009-08-10  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR target/37053
	* reload1.c (reload_as_needed): Use cancel_changes to completely
	undo a failed replacement attempt.

2009-08-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41006
	* tree-ssa.c (useless_type_conversion_p_1): Fold into ...
	(useless_type_conversion_p): ... here.  Require pointer targets
	to be compatible.

2009-08-10  Dodji Seketeli  <dodji@redhat.com>

	PR c++/40866
	* tree-inline.c (copy_statement_list): The resulting copy shouldn't
	loose the original type of the statement list.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c: Include libfuncs.h
	(avms_asm_output_extern): New function.
	(alpha_init_libfuncs): Init some decc libfuncs.
	* config/alpha/alpha-protos.h (avms_asm_output_external): Declare.
	* config/alpha/vms.h (ASM_OUTPUT_EXTERNAL): Define.
	(DO_CRTL_NAMES): Define.
	(LIB_SPEC): Remove.
	* config/alpha/vms64.h: (POINTERS_EXTEND_UNSIGNED): Remove undef.
	(LONG_TYPE_SIZE): Define.
	(TARGET_OS_CPP_BUILTINS): Define with __LONG_POINTERS=1
	(SUBTARGET_SWITCHES): Define malloc64 switch.
	(TARGET_DEFAULT): Default MASK_MALLOC64 set.
	(MASK_RETURN_ADDR): Define.
	doc/invoke.texi (mmalloc64): Document switch.

2009-08-09  Olivier Hainque  <hainque@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (struct machine_function): New flag for VMS,
	uses_condition_handler.
	(alpha_expand_builtin_establish_vms_condition_handler): New expander.
	(alpha_expand_builtin_revert_vms_condition_handler): New expander.
	(enum alpha_builtin): New ALPHA_BUILTIN_REVERT_VMS_CONDITION_HANDLER
	and ALPHA_BUILTIN_ESTABLISH_VMS_CONDITION_HANDLER values.
	(code_for_builtin): New insn codes for the new alpha_builtins.
	(alpha_init_builtins): Register the new functions as BUILT_IN_MD.
	(alpha_sa_size): Account for uses_condition_handler.
	(alpha_expand_prologue): Likewise.
	(alpha_start_function): Likewise.
	(alpha_expand_epilogue): Likewise.
	* config/alpha/alpha-protos.h: Prototype the new alpha.c builtin
	establish/revert expanders.
	* config/alpha/alpha.h (DWARF_FRAME_REGNUM): Define.
	* config/alpha/alpha.md	(builtin_establish_vms_condition_handler):
	New expander, resorting to the alpha.c associated function.
	(builtin_revert_vms_condition_handler): Likewise.
	* config/alpha/vms-gcc_shell_handler.c: New file. Implements
	__gcc_shell_handler, the static VMS condition handler used as
	an indirection wrapper to the current dynamically established
	handler.
	* config/alpha/vms-unwind.h: Complete rewrite.
	* config/alpha/t-vms (LIB2FUNCS_EXTRA): Add vms-gcc_shell_handler.c
	* config/alpha/vms.h (MD_UNWIND_SUPPORT):

2009-08-09  Eric Botcazou  <botcazou@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_links): Add 'target' field.
	(alpha_need_linkage): Handle aliases.  Return function symbol.
	(alpha_use_linkage): Rename 'linkage' argument to 'func'.
	Use ultimate alias target for the linkage name.
	* config/alpha/alpha.md (movmemdi): Use the symbol returned
	by alpha_need_linkage for the function symbol.
	(setmemdi): Likewise.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (TARGET_ASM_UNALIGNED_*_OP): Define if on VMS.
	* config/alpha/vms.h (OBJECT_FORMAT_ELF): Define.
	(ASM_WEAKEN_LABEL): Define.
	(CRT_CALL_STATIC_FUNCTION): Define.
	(STARTFILE_SPEC): Add crtbegin.o crtbeginS.o.
	(ENDFILE_SPEC): Define.
	(INIT_SECTION_ASM_OP): Define.
	* config/alpha/vms-dwarf2eh.asm (__EH_FRAME_BEGIN__): Remove.
	* config/alpha/t-vms (EXTRA_PARTS): Add crtbegin.o crtbeginS.o
	crtend.o crtendS.o.
	(MULTILIB_OSDIRNAMES): Define.
	(shlib_version): Define.
	(SHLIB_EXT): Define.
	(SHLIB_OBJS): Define.
	(SHLIB_NAME): Define.
	(SHLIB_MULTILIB): Define.
	(SHLIB_INSTALL): Define.
	(SHLIB_SYMVEC): Define.
	(SHLIB_SYMVECX2): Define.
	(SHLIB_LINK): Define.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_initialize_trampoline):
	Initialize VMS trampoline IAW ABI for bounded procedure calls.
	(alpha_start_function): Emit transfer address on nested functions
	for VMS trampoline call.
	* config/alpha/t-vms (LIB2FUNCS_EXTRA): Remove vms_tramp.asm
	since no longer used.
	* config/alpha/vms-tramp.asm: Remove.
	* config/alpha/vms.h (TRAMPOLINE_TEMPLATE): Leave undefined
	since now only data initialized at runtime.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/vms.h (HANDLE_SYSV_PRAGMA): Define.
	(LINK_GCC_C_SEQUENCE_SPEC): Define.
	(MD_EXEC_PREFIX): Remove, no longer used.
	(MD_STARTFILE_PREFIX): Likewise.
	(INCLUDE_DEFAULTS): Likewise.
	* config/alpha/t-vms:
	(vms-dwarf2.o, vms-dwarf2eh.o): Use GCC_FOR_TARGET to compile.

2009-08-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41016
	* tree-ssa-ifcombine.c (get_name_for_bit_test): Fix tuplification bug.
	(operand_precision): Remove.
	(integral_operand_p): Likewise.
	(recognize_single_bit_test): Adjust.

2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

	* c-common.c (c_fully_fold_internal): Issue a warning if a binary
	operation overflows.  Likewise non-cast unary arithmetic.
	If one arm of a conditional expression is always taken,
	inhibit evaluation warnings for the other arm.  Likewise inhibit
	evaluation warnings for the second && or || operand if the first
	operand is enough to determine the result.
	* c-typeck.c (build_conditional_expr): Apply the same inhibition
	rules here.
	(build_binary_op): Prevent duplicate evaluation warnings.

2009-08-09  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree-out-of-ssa.c (insert_value_copy_on_edge): If the source
	and destination have different modes, Use promote_mode to
	determine the signedness of the conversion.  Assert that the
	promoted source mode matches the destination mode.  Don't pass
	the destination and destination mode to expand_expr if the source
	mode is different.  Simplify conversion logic.

2009-08-09  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/41008
	* tree-vect-loop.c (vect_is_simple_reduction): Get operands
	from condition only in case it's a comparison. Adjust checks.

2009-08-09  Bernd Schmidt  <bernd.schmidt@analog.com>

	* tree-dfa.c (renumber_gimple_stmt_uids_in_blocks): New function.
	* tree-flow.h (renumber_gimple_stmt_uids_in_blocks): Declare it.
	* tree-ssa-loop-ivopts.c (comp_cost): Make COST an integer.
	(enum iv_position): Add IP_AFTER_USE and IP_BEFORE_USE.
	(dump_cand): Handle them.
	(struct iv_cand): New members COST_STEP and AINC_USE.
	(stmt_after_increment): Likewise.
	(stmt_after_inc_pos): Renamed from stmt_after_ip_original_pos.  All
	callers changed.  Use gimple_uid comparison instead of scanning.
	(add_candidate_1): When looking for identical candidates, take
	AINC_USE into account.  Set it for new candidates.
	(force_expr_to_var_cost): Cast target_spill_cost to int.
	(get_address_cost): New arguments STMT_AFTER_INC and MAY_AUTOINC.
	All callers changed.  Check for availability of autoinc addressing
	modes, both in general for a given mode, and in the specific use case.
	(get_computation_cost_at): New argument CAN_AUTOINC.  All callers
	changed.
	(get_computation_cost): Likewise.
	(autoinc_possible_for_pair, set_autoinc_for_original_candidates,
	add_autoinc_candidates): New static functions.
	(add_candidate): Call add_autoinc_candidates for candidates based on
	a USE_ADDRESS use.
	(find_iv_candidates): Call set_autoinc_for_original_candidates.
	(determine_use_iv_cost_address): If we have an autoinc candidate at
	the matching use, verify autoinc is possible and subtract the cost
	of the candidate's step from the cost.
	(determine_iv_cost): Record the cost of the increment in the COST_STEP
	member of the candidate.
	(tree_ssa_iv_optimize_loop): Swap the calls to determine_iv_costs and
	determine_use_iv_costs.  Call renumber_gimple_stmt_uids_in_blocks.

2009-08-09  Douglas B Rupp  <rupp@gnat.com>

	* config.build (ia64-hp-*vms*): New target.
	(alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
	with ia64-hp-*vms*.
	* config.gcc (ia64-hp-*vms*): New target.
	(alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
	with ia64-hp-*vms*.
	* config.host (ia64-hp-*vms*): New target.
	(alpha64-dec-*vms*,alpha*-dec-*vms*): Fix for config/vms and unify
	with ia64-hp-*vms*.

2009-08-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40991
	* tree-ssa-pre.c (eliminate): Delay purging EH edges.

2009-08-08  Richard Sandiford  <rdsandiford@googlemail.com>

	* combine.c (gen_lowpart_or_truncate): Exclude CONST_INTs from
	mode check.  Do truncations in an integer mode.
	(force_to_mode): Handle subregs for all mode types.  Only do
	arithmetic simplifications on integer modes.

2009-08-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40999
	* tree-ssa-ccp.c (get_symbol_constant_value): Handle CONST_DECLs.
	(maybe_fold_reference): Lookup constant initializers.
	(fold_gimple_assign): Likewise.

2009-08-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (useless_type_conversion_p_1): Only for types
	that require structural equality defer to the langhook.

2009-08-07  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (enum jump_func_type): New value IPA_JF_ANCESTOR, changed
	comments.
	(struct ipa_pass_through_data): New type.
	(struct ipa_ancestor_jf_data): New type.
	(union jump_func_value): Removed field formal_id, added fields
	pass_through and ancestor.
	(struct ipa_param_call_note): Changed type of formal_id to int from
	unsigned.
	* ipa-prop.c (ipa_print_node_jump_functions): Print pass through with
	operations jump functions and ancestor jump functions.
	(compute_complex_pass_through): New function.
	(compute_scalar_jump_functions): Call compute_complex_pass_through,
	reflect changes in the jump function strucutre.
	(update_jump_functions_after_inlining): Ignore complex pass-through
	and ancestor jump functions.
	* ipa-cp.c (ipcp_lattice_from_jfunc): Added support for ancestor and
	polynomial pass-through with operation jump functions.

2009-08-07  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_fde): When doing hot/cold partitioning, use
	fde->dw_fde_begin as begin label instead of hot/cold label.
	Use LLSDAC label instead of LLSDA for second section lsda.
	(dwarf2out_do_cfi_startproc): Add SECOND argument.  Use LLSDAC
	label instead of LLSDA if it is true.
	(dwarf2out_begin_prologue, dwarf2out_switch_text_section): Adjust
	callers.
	* except.c (add_call_site, dw2_size_of_call_site_table): Add
	SECTION argument.  Use it as index into crtl->eh.call_site_record
	array.
	(dw2_output_call_site_table): Likewise.  Add CS_FORMAT argument,
	use it to determine how to print table entries instead of using
	#ifdef HAVE_AS_LEB128.  For SECTION > 0 use hot resp. cold
	label instead of normal begin label as base.
	(sjlj_assign_call_site_values): Adjust add_call_site caller.
	(convert_to_eh_region_ranges): When doing hot/cold partitioning,
	ensure no EH range spans between sections and that landing pads
	are always in the corresponding section.
	(sjlj_size_of_call_site_table, sjlj_output_call_site_table): Adjust
	for crtl->eh.call_site_record being an array rather than scalar.
	(output_one_function_exception_table): New function, copied
	from output_function_exception_table.  Adjust
	dw2_size_of_call_site_table, dw2_output_call_site_table
	callers.  For SECOND section use *C suffixed labels.
	(output_function_exception_table): Call
	output_one_function_exception_table and, when doing hot/cold
	partitioning, also another time for the second section.
	* opts.c: Include except.h.
	(decode_options): Allow -freorder-blocks-and-partition with
	exceptions, unless SJLJ or TARGET_UNWIND_INFO.
	* Makefile.in (opts.o): Depend on $(EXCEPT_H).
	* function.h (struct rtl_eh): Change call_site_record from
	scalar into array of 2 elements.

2009-08-07  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (count_formal_params_1): New function.
	(ipa_get_vector_of_formal_parms): New function.
	(get_vector_of_formal_parm_types): New function.
	(ipa_modify_formal_parameters): New function.
	(ipa_modify_call_arguments): New function.
	(index_in_adjustments_multiple_times_p): New function.
	(ipa_combine_adjustments): New function.
	(ipa_dump_param_adjustments): New function.
	* ipa-prop.h (struct ipa_parm_adjustment): New type.
	(ipa_get_vector_of_formal_parms): Declare.
	(ipa_modify_formal_parameters): Declare.
	(ipa_modify_call_arguments): Declare.
	(ipa_combine_adjustments): Declare.
	(ipa_dump_param_adjustments): Declare.
	(build_ref_for_offset): Declare.
	* Makefile.in (tree-sra.o): Add ipa-prop.h to dependencies.
	* tree-sra.c: Include ipa-prop.c.
	(build_ref_for_offset): Make public.

2009-08-06  Neil Vachharajani  <nvachhar@gmail.com>

	* value-prof.c (init_pid_map): Replace xmalloc with XCNEWVEC.

2009-08-06  Thomas Schwinge  <tschwinge@gnu.org>

	* gcc/doc/extend.texi (__builtin_extract_return_address)
	(__builtin_frob_return_address): Document.

2009-08-06  Paul Brook  <paul@codesourcery.com>

	* config/arm/lib1funcs.asm (ARM_DIV_BODY): Add Thumb-2 implementation.
	(udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Only use Thumb-1
	implementation on ARMv6-M.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

	* doc/extend.texi (pcs): Document new attribute for ARM.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (pcs_attribute_args): Comment out unsupported attribute
	variants.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (arm_handle_pcs_attribute): Pass the entire name object to
	warning ().

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (arm_handle_pcs_attribute): Use %qE in warning.

2009-08-06  Richard Earnshaw  <rearnsha@arm.com>

	Merge ARM/hard_vfp_branch to trunk.

	2009-08-04  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (libcall_eq): New function.
	(libcall_hash): New function.
	(add_libcall): New function.
	(arm_libcall_uses_aapcs_base): New function.
	(arm_libcall_value): Use arm_libcall_uses_aapcs_base to check for
	libcalls using the base PCS.
	(arm_init_cumulative_args): Likewise.

	2009-07-20  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_libcall_value, arm_init_cumulative_args):
	Use base ABI for conversion libfuncs between HFmode and SFmode.

	2009-05-12  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (aapcs_vfp_sub_candidate): Use V2SImode and
	V4SImode as representatives of all 64-bit and 128-bit vector
	types.  Allow vector types without vector modes.
	(aapcs_vfp_is_call_or_return_candidate): Handle vector types
	without vector modes like BLKmode.
	(aapcs_vfp_allocate): Handle TImode for non-TARGET_NEON like
	BLKmode.  Avoid unsupported vector modes or TImode moves for
	non-TARGET_NEON.
	(aapcs_vfp_allocate_return_reg): Likewise.
	(arm_vector_mode_supported_p): Only support V2SImode, V4HImode and
	V8QImode if TARGET_NEON || TARGET_IWMMXT.

	2009-05-12  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_handle_pcs_attribute): New.
	(arm_get_pcs_model): Pass attribute arguments to
	arm_pcs_from_attribute.
	(arm_init_cumulative_args): Use base AAPCS for conversions from
	floating-point types to DImode.
	(arm_attribute_table): Add pcs attribute.
	(arm_handle_pcs_attribute): New.
	* config/arm/bpabi.h (DECLARE_LIBRARY_RENAMES): When renaming
	conversions from floating-point types to DImode, also declare them
	to use base AAPCS and declare functions they call to use base
	AAPCS and their RTABI names.

	2009-05-12  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi (-mfloat-abi=@var{name}): Remove statement about
	-mfloat-abi=hard not being supported for VFP.

	2009-05-11  Kazu Hirata  <kazu@codesourcery.com>

	* config/sparc/sparc.c (sparc_emit_float_lib_cmp): Pass a libcall
	SYMBOL_REF to hard_libcall_value.

	2009-03-05  Joseph Myers  <joseph@codesourcery.com>
	    Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.c (aapcs_layout_arg): Once a co-processor argument
	has been put on the stack, all remaining co-processory arguments for
	that co-processor also go on the stack.

	2009-03-05  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_return_in_memory): Handle returning
	vectors of suitable size in registers also for AAPCS case.

	2009-01-13  Richard Earnshaw <rearnsha@arm.com>

	* doc/tm.texi (TARGET_LIBCALL_VALUE): Add missing end statement.

	2008-12-09  Richard Earnshaw <rearnsha@arm.com>

	ARM Hard-VFP calling convention
	* target-def.h (TARGET_LIBCALL_VALUE): New hook.
	* target.h (gcc_target): Add libcall_value to table of call hooks.
	* targhooks.h (default_libcall_value): Default implementation.
	* targhooks.c (default_libcall_value): Likewise.
	* doc/tm.texi (TARGET_LIBCALL_VALUE): Document it.
	* optabs.c (expand_unop): Use it.
	* expr.h (hard_libcall_value): Pass the function RTX through.
	* calls.c (emit_library_call_value_1): Update call to
	hard_libcall_value.
	* explow.c (hard_libcall_value): Use new target hook.
	* testsuite/lib/target-supports.exp
	(check_effective_target_arm_hard_vfp_ok): New hook.
	(check_effective_target_arm_neon_ok): Improve test for neon
	availability.
	* testsuite/gcc.target/arm/eabi1.c: Only run test in base variant.
	* config/arm/arm.c: Include cgraph.h
	(TARGET_FUNCTION_VALUE): Override default hook.
	(arm_pcs_default): New variable.
	(arm_override_options): Don't fault hard calling convention with VFP.
	Add support for AAPCS variants.
	(arm_function_value): Make static.  Handle AAPCS variants.
	(arm_libcall_value): New function.
	(arm_apply_result_size): Handle VFP registers in results.
	(arm_return_in_memory): Rework all AAPCS variants; handle hard-vfp
	conventions.
	(pcs_attribute_args): New variable.
	(arm_pcs_from_attribute): New function.
	(arm_get_pcs_model): New function.
	(aapcs_vfp_cum_init): New function.
	(aapcs_vfp_sub_candidate): New function.
	(aapcs_vfp_is_return_candidate): New function.
	(aapcs_vfp_is_call_candidate): New function.
	(aapcs_vfp_allocate): New function.
	(aapcs_vfp_allocate_return_reg): New function.
	(aapcs_vfp_advance): New function.
	(aapcs_cp_arg_layout): New variable.
	(aapcs_select_call_coproc): New function.
	(aapcs_select_return_coproc): New function.
	(aapcs_allocate_return_reg): New function.
	(aapcs_libcall_value): New function.
	(aapcs_layout_arg): New function.
	(arm_init_cumulative_args): Initialize AAPCS args data.
	(arm_function_arg): Handle AAPCS variants using new interface.
	(arm_arg_parital_bytes): Likewise.
	(arm_function_arg_advance): New function.
	(arm_function_ok_for_sibcall): Ensure that sibling calls agree on
	calling conventions.
	(arm_setup_incoming_varargs): Handle new AAPCS args data.
	* arm.h (NUM_VFP_ARG_REGS): Define.
	(LIBCALL_VALUE): Update.
	(FUNCTION_VALUE): Delete.
	(FUNCTION_VALUE_REGNO_P): Add VFP regs.
	(arm_pcs): New enum.
	(CUMULATIVE_ARGS): New data to support AAPCS argument marshalling.
	(FUNCTION_ARG_ADVANCE): Call arm_function_arg_advance.
	(FUNCTION_ARG_REGNO_P): Add VFP regs.
	* arm-protos.h (arm_function_arg_advance): Add.
	(aapcs_libcall_value): Add.
	(arm_function_value): Delete.

2009-08-06  Uros Bizjak  <ubizjak@gmail.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40957
	* config/i386/i386.c (standard_sse_mode_p): Remove.
	(standard_sse_constant_p): Return 2 for integer mode
	vector_all_ones_operand when SSE2 is enabled.
	(standard_sse_constant_opcode)<case 2>: Always return [v]pcmpeqd.
	(ix86_expand_vector_move): Do not check for negative values from
	standard_sse_constant_p.

2009-08-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (useless_type_conversion_p_1): Make function and
	array type comparisons frontend independent.
	* Makefile.in (tree-ssa.o): Add $(TARGET_H) dependency.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Always fill
	out array reference lower bound and element size operands.
	(ao_ref_init_from_vn_reference): Properly compute the offset
	for ARRAY_RANGE_REF.
	(vn_reference_fold_indirect): Fill out array reference lower
	bound and element size operands.
	* tree-ssa-pre.c (phi_translate_1): Fail if we have to translate
	a non gimple valued reference operand which can happen for
	array reference lower bound or element size.
	(create_component_ref_by_pieces_1): Properly generate the
	element size operand for array references.

2009-08-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40964
	* tree.c (iterative_hash_host_wide_int): Export.
	* tree.h (iterative_hash_host_wide_int): Declare.
	* tree-ssa-structalias.c (heapvar_map): New struct.
	(heapvar_map_eq): New function.
	(heapvar_map_hash): Likewise.
	(heapvar_lookup): Adjust.
	(heapvar_insert): Likewise.
	(make_constraint_from_heapvar): Allow multiple heap variables
	per decl at different offsets.
	(init_alias_heapvars): Adjust.

2009-08-04  David Daney  <ddaney@caviumnetworks.com>

	* config/mips/mips.h (TARGET_SYNC_AFTER_SC): New macro.
	* mips_output_sync_loop (mips_output_sync_loop): Only emit
	trailing sync if TARGET_SYNC_AFTER_SC.

2009-08-05  David Daney  <ddaney@caviumnetworks.com>

	* gcc/config/mips/sync.md (sync_compare_and_swap<mode>,
	compare_and_swap_12, sync_add<mode>, sync_<optab>_12,
	sync_old_<optab>_12, sync_new_<optab>_12, sync_nand_12,
	sync_old_nand_12, sync_new_nand_12, sync_sub<mode>,
	sync_old_add<mode>, sync_old_sub<mode>, sync_new_add<mode>,
	sync_new_sub<mode>, sync_<optab><mode>, sync_old_<optab><mode>,
	sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
	sync_new_nand<mode>, sync_lock_test_and_set<mode>,
	test_and_set_12): Rewrite calls to mips_output_sync_loop.
	* gcc/config/mips/mips-protos.h (mips_output_sync_loop): Make
	the prototype declaration match the definition.
	* gcc/config/mips/mips.c (mips_output_sync_loop):  Emit sync
	instructions explicitly.  Add barrier_before and operands
	parameters.
	* gcc/config/mips/mips.h (MIPS_COMPARE_AND_SWAP,
	MIPS_COMPARE_AND_SWAP_12, MIPS_SYNC_OP, MIPS_SYNC_OP_12,
	MIPS_SYNC_OLD_OP_12, MIPS_SYNC_NEW_OP_12, MIPS_SYNC_OLD_OP,
	MIPS_SYNC_NEW_OP, MIPS_SYNC_NAND, MIPS_SYNC_OLD_NAND,
	MIPS_SYNC_NEW_NAND, MIPS_SYNC_EXCHANGE,
	MIPS_SYNC_EXCHANGE_12): Remove sync instructions.

2009-08-05  Andrew Pinski  <pinskia@gmail.com>

	* tree-ssa-alias.c: Fix intervals to use [) syntax.

2009-08-05  Uros Bizjak  <ubizjak@gmail.com>
	    Mikulas Patocka  <mikulas@artax.karlin.mff.cuni.cz>

	PR target/40906
	* config/i386/i386.c (ix86_split_long_move): Fix push of multi-part
	source operand.

2009-08-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/40924
	* dse.c (canon_address): Before calling cselib_expand_value_rtx
	make sure canon_rtx (mem_address) isn't simpler than
	canon_rtx (expanded_mem_address).

2009-08-05  Li Feng  <nemokingdom@gmail.com>

	* graphite-sese-to-poly.c (build_pbb_drs): Remove build alias set
	for each poly_bb_p.
	(build_scop_drs): Build alias set for each SCoP.

2009-08-04  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (MIPS Options): Document new 1004K -march options.
	* config/mips/mips.c (mips_cpu_info_table): Add 1004K cores.
	* config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Add pattern for 1004K.
	(MIPS_ARCH_FLOAT_SPEC): Likewise.
	(BASE_DRIVER_SELF_SPECS): Likewise.

2009-08-04  Andrew Pinski  <pinskia@gmail.com>

	* tree-ssa-alias.c: Fix some comment typos.

2009-08-04  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/linux-atomic.asm (ATOMIC_BOOL_COMPARE_AND_SWAP,
	ATOMIC_OP_AND_FETCH, ATOMIC_COMBOP_AND_FETCH): Define.

2009-08-03  Janis Johnson  <janis187@us.ibm.com>

	PR c/39902
	* simplify-rtx.c (simplify_binary_operation_1): Disable
	simplifications for decimal float operations.

2009-08-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40943
	* tree-ssa.c (warn_uninitialized_var): Even on LHS warn for
	operand of INDIRECT_REF.

2009-08-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_legitimate_constant_p): Reject CONST
	constants referencing TLS symbols.

2009-08-03  SUGIOKA Toshinobu  <sugioka@itonet.co.jp>

	* config/sh/linux-atomic.asm (ATOMIC_COMPARE_AND_SWAP): Rename
	__sync_compare_and_swap_* to __sync_val_compare_and_swap_*.

2009-08-03  Richard Guenther  <rguenther@suse.de>

	* tree.c (make_vector_type): Build a main variant first,
	get the canonical one and then build the variant.
	* tree-ssa.c (useless_type_conversion_p_1): Handle
	fixed-point types.
	(useless_type_conversion_p): Conversions to pointers to
	incomplete record types are useless.

2009-08-03  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (pass_warn_unused_result): Mark name that no dump
	file will be created.
	* omp-low.c (pass_diagnose_omp_blocks): Likewise.
	* toplev.c (compile_file): Adjust comment.

2009-08-03  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh-protos.h (sh_promote_function_mode): Remove.
	* config/sh/sh.c (sh_promote_function_mode): Wrap long lines.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS): Remove.
	(sh_promote_function_mode): Fix typo.

2009-08-03  Andreas Krebbel  <krebbel1@de.ibm.com>

	* explow.c (promote_mode): Mark TYPE and PUNSIGNEDP as possibly unused.

2009-08-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (pa_promote_function_mode): Remove ATTRIBUTE_UNUSED from
	declaration arguments.

2009-08-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_expand_fp_compare): Use const0_rtx instead
	of GEN_INT (0x00) and const1_rtx instead of GEN_INT (0x01).
	(ix86_split_ashl): Ditto.
	(ix86_expand_vector_init_one_nonzero): Ditto.
	(ix86_expand_vector_set): Ditto.
	(ix86_expand_reduc_v4sf): Ditto.

2009-08-02  Paolo Bonzini  <bonzini@gnu.org>

	* explow.c (promote_function_mode): Remove assert.
	* config/sh/sh.c (sh_promote_function_mode): Declare.

2009-08-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.c (pa_promote_function_mode): Declare.
	Change to static.  Fix promote_mode call.

	* gthr-dce.h (CONST_CAST2): Define if not defined.
	(__gthread_setspecific): Use CONST_CAST2 to fix warning.

	* config.gcc (hppa[12]*-*-hpux10*): Add stdint support.

2009-08-01  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (store_constructor): Use promote_decl_mode.  Remove
	now write-only variable unsignedp.
	(expand_expr_real_1): Use promote_decl_mode.
	* expr.h (promote_function_mode, promote_decl_mode): New.
	(promote_mode): Remove last argument.
	* function.c (assign_temp): Drop last argument of promote_mode.
	(assign_parm_find_data_types): Use promote_function_mode.
	(assign_parm_setup_reg): Likewise.
	(expand_function_end): Use promote_function_mode.
	* calls.c (initialize_argument_information): Use promote_function_mode.
	(precompute_arguments): Use promote_mode instead of checking if
	only PROMOTE_FUNCTION_MODE is defined.
	(expand_call): When making sibcall decisions, use promote_function_mode.
	Below, remove an if for targetm.calls.promote_function_return and
	and use promote_function_mode.
	(emit_library_call_value_1): Use promote_function_mode, fix bug
	where promote_mode was passed FOR_CALL == 0 for a return value in an
	assertion.
	* cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
	* explow.c (promote_function_mode, promote_decl_mode): New.
	(promote_mode): Keep only the FOR_CALL == 0 case.
	* combine.c (setup_incoming_promotion): Remove test of
	promote_function_args.  Use promote_function_mode.
	* stmt.c (expand_value_return): Use promote_decl_mode.
	(expand_decl): Use promote_decl_mode.

	* expr.c (store_constructor): Use promote_decl_mode.  Remove
	now write-only variable unsignedp.
	(expand_expr_real_1): Use promote_decl_mode.
	* expr.h (promote_function_mode, promote_decl_mode): New.
	(promote_mode): Remove last argument.
	* function.c (assign_temp): Drop last argument of promote_mode.
	(assign_parm_find_data_types): Use promote_function_mode.
	(assign_parm_setup_reg): Likewise.
	(expand_function_end): Use promote_function_mode.
	* calls.c (initialize_argument_information): Use promote_function_mode.
	(precompute_arguments): Use promote_mode instead of checking if
	only PROMOTE_FUNCTION_MODE is defined.
	(expand_call): When making sibcall decisions, use promote_function_mode.
	Below, remove an if for targetm.calls.promote_function_return and
	and use promote_function_mode.
	(emit_library_call_value_1): Use promote_function_mode, fix bug
	where promote_mode was passed FOR_CALL == 0 for a return value in an
	assertion.
	* cfgexpand.c (expand_one_register_var): Use promote_decl_mode.
	* explow.c (promote_function_mode, promote_decl_mode): New.
	(promote_mode): Keep only the FOR_CALL == 0 case.
	* combine.c (setup_incoming_promotion): Remove test of
	promote_function_args.  Use promote_function_mode.
	* stmt.c (expand_value_return): Use promote_decl_mode.
	(expand_decl): Use promote_decl_mode.

	* explow.c (promote_function_mode): Just call the target hook.
	* targhooks.c (default_promote_function_mode,
	default_promote_function_mode_always_promote): New.
	* targhooks.h (default_promote_function_mode,
	default_promote_function_mode_always_promote): Declare.
	* target.h (promote_function_args, promote_function_return): Remove.
	(promote_function_mode): New.
	* target-def.h (TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN): Remove.
	(TARGET_PROMOTE_FUNCTION_MODE): New.
	(TARGET_CALLS): Adjust.
	* system.h (TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN, PROMOTE_FUNCTION_MODE): Poison.

	* config/s390/s390.h (PROMOTE_FUNCTION_MODE): Move...
	* config/s390/s390.c (s390_promote_function_mode): ... here,
	with pointer handling.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

	* config/sparc/sparc.h (PROMOTE_FUNCTION_MODE): Move...
	* config/sparc/sparc.c (sparc_promote_function_mode): ... here,
	with pointer handling.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

	* config/sh/sh-protos.h (sh_promote_function_mode): New.
	* config/sh/sh.c (sh_promote_function_mode): New.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

	* config/cris/cris.h (PROMOTE_FUNCTION_MODE): Move...
	* config/cris/cris.c (cris_promote_function_mode): ... here.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS): Remove.

	* config/mmix/mmix.h (PROMOTE_FUNCTION_MODE): Move...
	* config/mmix/mmix.c (mmix_promote_function_mode): ... here.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS): Remove.

	* config/arm/arm.h (PROMOTE_FUNCTION_MODE): Move...
	* config/arm/arm.c (arm_promote_function_mode): ... here, without
	complex type handling.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_ARGS, TARGET_PROMOTE_FUNCTION_RETURN): Remove.

	* config/pa/pa.c (pa_promote_function_mode): New.
	(TARGET_PROMOTE_FUNCTION_MODE): Define.
	(TARGET_PROMOTE_FUNCTION_RETURN): Remove.

	* config/alpha/alpha.c (TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN): Remove.
	(TARGET_PROMOTE_FUNCTION_MODE): Define equivalently.
	* config/xtensa/xtensa.c: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/iq2000/iq2000.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/picochip/picochip.c: Likewise.
	* config/arc/arc.c: Likewise.
	* config/mcore/mcore.c: Likewise.
	* config/score/score.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/bfin/bfin.c: Likewise.
	* config/ia64/ia64.c: Likewise (disabled though).

	* config/frv/frv.h: Remove pointless remark.

	* doc/tm.texi (PROMOTE_FUNCTION_MODE,
	TARGET_PROMOTE_FUNCTION_ARGS,
	TARGET_PROMOTE_FUNCTION_RETURN): Consolidate into...
	(TARGET_PROMOTE_FUNCTION_MODE): ... this.

2009-08-01  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-fgraphite-force-parallel): Renamed
	-floop-parallelize-all.
	* toplev.c (process_options): Rename flag_graphite_force_parallel to
	flag_loop_parallelize_all.
	* tree-ssa-loop.c (gate_graphite_transforms): Same.
	* graphite.c (graphite_transform_loops): Same.
	* common.opt: Same.
	* graphite-poly.c (apply_poly_transforms): Same.

2009-07-31  Richard Earnshaw  <rearnsha@arm.com>

	PR tree-optimization/40914
	* ipa-prop.c (ipa_get_ptr_load_param): New argument use_delta,
	if set, then check the delta field of the PMF record.
	(ipa_get_stmt_member_ptr_load_param): Propagate new param use_delta.
	(ipa_analyze_call_uses): Handle machines where the vbit for a PMF
	call is stored in the delta.

2009-07-31  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*clear_upper32_dext): New pattern.

2009-07-31  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/bsd.h (ASM_BYTE): New define.
	* config/i386/darwin.h (ASM_BYTE): Rename from ASM_BYTE_OP.
	* config/i386/att.h (ASM_BYTE): New define. Use ASM_BYTE instead of
	.byte.  Use fputs or putc instead of fprintf where appropriate.
	* config/i386/i386-interix.h: Use ASM_BYTE instead of .byte.  Use
	fputs or putc instead of fprintf where appropriate.
	* config/i386/i386elf.h: Ditto.
	* config/i386/sysv4.h: Ditto.

	* config/i386/i386.c (TARGET_ASM_BYTE_OP): New define.
	* config/i386/i386.md (x86_sahf_1): Use ASM_BYTE instead of .byte.
	(*tls_global_dynamic_64): Ditto.

2009-07-31  Christian Bruel  <christian.bruel@st.com>

	* gcc/config.gcc (sh*-*-elf): test with_libgloss.

2009-07-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_arm_address_cost): Fix typo.
	Remove dead code for MINUS.

2009-07-31  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.c (moxie_expand_prologue): Use $r5 instead of
	$r12 in prologue.
	(moxie_expand_epilogue): Ditto for epilogue.
	(moxie_setup_incoming_varargs): ABI change.  Use 5 registers for
	incoming arguments.
	(moxie_function_arg): Ditto.
	(moxie_pass_by_reference): Ditto.
	(moxie_arg_partial_bytes): Ditto.
	* config/moxie/moxie.h (CALL_USED_REGISTERS): Ditto.
	(FUNCTION_ARG_ADVANCE) Ditto.
	(REG_PARM_STACK_SPACE) Ditto.
	(FUNCTION_ARG_REGNO_P) Dito.

	* config.gcc: Add moxie linux config support.
	* gcc/config/moxie/uclinux.h: New file.

2009-07-31  DJ Delorie  <dj@redhat.com>

	* config/sh/sh.md (UNSPECV_SP_SWITCH_B): New.
	(UNSPECV_SP_SWITCH_E): New.
	(sp_switch_1): Change to an unspec.
	(sp_switch_2): Change to an unspec.  Don't use post-inc when we
	replace $r15.
	* config/sh/sh.c (sh_expand_prologue): Use the constant pool to
	reference the new stack's address

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* Makefile.in (OBJS-common): Added dependence on graphite-blocking.o,
	graphite-clast-to-gimple.o, graphite-dependences.o,
	graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
	graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o.
	(graphite-blocking.o,
	graphite-clast-to-gimple.o, graphite-dependences.o,
	graphite-interchange.o, graphite-poly.o, graphite-ppl.o,
	graphite-scop-detection.o, graphite-sese-to-poly.o, and sese.o): New.
	* cfgloop.c (alloc_loop): Set loop->can_be_parallel to false.
	* cfgloop.h (struct loop): Add can_be_parallel field.
	* common.opt (fgraphite-identity): Moved up.
	(fgraphite-force-parallel): New flag.
	* graphite.c: Rewrite.
	* graphite.h: Rewrite.
	* passes.c (init_optimization_passes): Schedule a pass of DCE and LIM
	after Graphite.
	* toplev.c (graphite_out_file): New file descriptor.
	(graphite_in_file): New.
	(process_options): flag_graphite_force_parallel cannot be used without
	Graphite.
	* tree-ssa-loop.c: Include toplev.h.
	(gate_graphite_transforms): Enable flag_graphite for
	flag_graphite_force_parallel.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* ChangeLog.graphite: New.
	* graphite-blocking.c: New.
	* graphite-clast-to-gimple.c: New.
	* graphite-clast-to-gimple.h: New.
	* graphite-dependences.c: New.
	* graphite-dependences.h: New.
	* graphite-interchange.c: New.
	* graphite-poly.c: New.
	* graphite-poly.h: New.
	* graphite-ppl.c: New.
	* graphite-ppl.h: New.
	* graphite-scop-detection.c: New.
	* graphite-scop-detection.h: New.
	* graphite-sese-to-poly.c: New.
	* graphite-sese-to-poly.h: New.
	* sese.c: New.
	* sese.h: New.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-chrec.c (evolution_function_right_is_integer_cst): New.
	* tree-chrec.h (evolution_function_right_is_integer_cst): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-chrec.c (operator_is_linear): Handle BIT_NOT_EXPR.
	(scev_is_linear_expression): Return false if the evolution is not
	affine multivariate.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (graphite_find_data_references_in_stmt): New.
	* tree-data-ref.h (graphite_find_data_references_in_stmt): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (debug_data_references): New.
	(debug_data_reference): New.
	* tree-data-ref.h (debug_data_references): Declared.
	(debug_data_reference): Declared.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-data-ref.c (stmt_simple_memref_p: Removed.
	* tree-data-ref.h (scop_p): Removed.
	(struct data_reference): Remove field scop.
	(DR_SCOP): Removed.
	(stmt_simple_memref_p): Removed.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* cfgloop.h (create_empty_loop_on_edge): Pass an extra argument.
	* cfgloopmanip.c (create_empty_loop_on_edge): Leave the loop_latch
	basic block empty.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-fgraphite-force-parallel): Documented.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-fgraphite-identity): Documented.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c: Fix comment.
	(instantiate_scev_1): Return unknow from scev instantiation if the
	result is not above instantiate_below.

2009-07-30  Sebastian Pop  <sebastian.pop@amd.com>

	* tree-scalar-evolution.c (compute_overall_effect_of_inner_loop): Not
	static anymore.  Instantiate the symbols that may have been introduced
	by chrec_apply.
	* tree-scalar-evolution.h (compute_overall_effect_of_inner_loop):
	Declared.

2009-07-30  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_asm_init_sections): Add section flags and
	.vliw directive to VLIW sections.

2009-07-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* Makefile.in (AUTOCONF, ACLOCAL, ACLOCAL_AMFLAGS, aclocal_deps):
	New variables.
	($(srcdir)/configure, $(srcdir)/aclocal.m4): New rules.
	(AUTOHEADER): New variable.
	($(srcdir)/cstamp-h.in): Use it.

2009-07-30  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/vector.md (VEC_F): Add VSX support.
	(VEC_A): Ditto.
	(VEC_N): Ditto.
	(mov<mode>): Ditto.
	(vector_load_<mode>): Ditto.
	(vector_store_<mode>): Ditto.
	(vector GPR move split): Ditto.
	(vec_reload_and_plus_<mptrsize>): Ditto.
	(vec_reload_and_reg_<mptrsize>): Ditto.
	(add<mode>3): Ditto.
	(sub<mode>3): Ditto.
	(mul<mode>3): Ditto.
	(neg<mode>2): Ditto.
	(abs<mode>2): Ditto.
	(smin<mode>3): Ditto.
	(smax<mode>3): Ditto.
	(vector_eq<mode>): Ditto.
	(vector_gt<mode>): Ditto.
	(vector_ge<mode>): Ditto.
	(vector_gtu<mode>): Ditto.
	(vector_select_<mode>_uns): Ditto.
	(vector_eq_<mode>_p): Ditto.
	(vector_gt_<mode>_p): Ditto.
	(vector_ge_<mode>_p): Ditto.
	(vector_gtu_<mode>_p): Ditto.
	(cr6_test_for_zero): Ditto.
	(cr6_test_for_zero_reverse): Ditto.
	(cr6_test_for_lt): Ditto.
	(cr6_test_for_lt_reverse): Ditto.
	(xor<mode>3): Ditto.
	(ior<mode>3): Ditto.
	(and<mode>3): Ditto.
	(one_cmpl<mode>2): Ditto.
	(nor<mode>2): Ditto.
	(andc<mode>2): Ditto.
	(float<VEC_int<mode>2): Ditto.
	(unsigned_float<VEC_int><mode>2): Ditto.
	(fix_trunc<mode><VEC_int>2): Ditto.
	(fixuns_trunc<mode><VEC_int>2): Ditto.
	(vec_init<mode>):
	(vec_set<mode>): Ditto.
	(vec_extract<mode>): Ditto.
	(vec_interleave_highv4sf): Ditto.
	(vec_interleave_lowv4sf): Ditto.
	(vec_realign_load_<mode>): Ditto.
	(vec_shl_<mode>): Ditto.
	(vec_shr_<mode>): Ditto.
	(div<mode>3): New patterns for VSX.
	(vec_interleave_highv2df): Ditto.
	(vec_interleave_lowv2df): Ditto.
	(vec_pack_trunc_v2df): Ditto.
	(vec_pack_sfix_trunc_v2df): Ditto.
	(vec_pack_ufix_trunc_v2df): Ditto.
	(vec_unpacks_hi_v4sf): Ditto.
	(vec_unpacks_lo_v4sf): Ditto.
	(vec_unpacks_float_hi_v4si): Ditto.
	(vec_unpacks_float_lo_v4si): Ditto.
	(vec_unpacku_float_hi_v4si): Ditto.
	(vec_unpacku_float_lo_v4si): Ditto.
	(movmisalign<mode>): Ditto.
	(vector_ceil<mode>2): New patterns for vectorizing math library.
	(vector_floor<mode>2): Ditto.
	(vector_btrunc<mode>2): Ditto.
	(vector_copysign<mode>3): Ditto.

	* config/rs6000/predicates.md (easy_vector_constant_msb): New
	predicate for setting the high bit in each word, used for copysign.

	* config/rs6000/ppc-asm.h (f19): Whitespace.
	(f32-f63): Define if VSX.
	(v0-v31): Define if Altivec.
	(vs0-vs63): Define if VSX.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Add power7.md and vsx.md.

	* config/rs6000/power7.md: New file, provide tuning parameters for
	-mcpu=power7.

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Add VSX support.
	(rs6000_cpu_cpp_builtins): Ditto.
	(altivec_overloaded_builtins): Ditto.
	(altivec_resolve_overloaded_builtin): Ditto.

	* config/rs6000/rs6000.opt (-mno-vectorize-builtins): Add new
	debug switch to disable vectorizing simple math builtin
	functions.

	* config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
	Vectorize simple math builtin functions.
	(TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define target
	hook to vectorize math builtins.
	(rs6000_override_options): Enable -mvsx on -mcpu=power7.
	(rs6000_builtin_conversion): Add VSX/power7 support.
	(rs6000_builtin_vec_perm): Ditto.
	(vsplits_constant): Add support for loading up a vector constant
	with just the high bit set in each part.
	(rs6000_expand_vector_init): Add VSX/power7 support.
	(rs6000_expand_vector_set): Ditto.
	(rs6000_expand_vector_extract): Ditto.
	(rs6000_emit_move): Ditto.
	(bdesc_3arg): Ditto.
	(bdesc_2arg): Ditto.
	(bdesc_1arg): Ditto.
	(rs6000_expand_ternop_builtin): Ditto.
	(altivec_expand_builtin): Ditto.
	(rs6000_expand_unop_builtin): Ditto.
	(rs6000_init_builtins): Ditto.
	(altivec_init_builtins): Ditto.
	(builtin_function_type): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(rs6000_handle_altivec_attribute); Ditto.
	(rs6000_mangle_type): Ditto.
	(rs6000_vector_mode_supported_p): Ditto.
	(rs6000_mode_dependent_address): Altivec addresses with AND -16
	are mode dependent.

	* config/rs6000/vsx.md: New file for VSX support.

	* config/rs6000/rs6000.h (EASY_VECTOR_MSB): New macro for
	identifing values with just the most significant bit set.
	(enum rs6000_builtins): Add builtins for VSX.  Add simple math
	vectorized builtins.

	* config/rs6000/altivec.md (UNSPEC_VRFIP): Delete.
	(UNSPEC_VRFIM): Delete.
	(splitter for loading up vector with most significant bit): New
	splitter for vectorizing copysign.
	(altivec_vrfiz): Rename from altivec_fturncv4sf2.  Add support for
	vectorizing simple math functions.
	(altivec_vrfip): Add support for vectorizing simple math functions.
	(altivec_vrfim): Ditto.
	(altivec_copysign_v4sf3): New insn for Altivec copysign support.

	* config/rs6000/rs6000.md (UNSPEC_BPERM): New constant.
	(power7.md, vsx.md): Include for power7 support.
	(copysigndf3): Use VSX instructions if -mvsx.
	(negdf2_fpr): Ditto.
	(absdf2_fpr): Ditto.
	(nabsdf2_fpr): Ditto.
	(adddf3_fpr): Ditto.
	(subdf3_fpr): Ditto.
	(muldf3_fpr): Ditto.
	(divdf3_fpr): Ditto.
	(fix_truncdfdi2_fpr): Ditto.
	(cmpdf_internal1): Ditto.
	(fred, fred_fpr): Convert into expander/insn to add VSX support.
	(btruncdf2, btruncdf2_fpr): Ditto.
	(ceildf2, ceildf2_fpr): Ditto.
	(floordf2, floordf2_fpr): Ditto.
	(floatdidf2, floatdidf2_fpr): Ditto.
	(fmadddf4_fpr): Name insn.  Use VSX instructions if -mvsx.
	(fmsubdf4_fpr): Ditto.
	(fnmadddf4_fpr_1): Ditto.
	(fnmadddf4_fpr_2): Ditto.
	(fnmsubdf4_fpr_1): Ditto.
	(fnmsubdf4_fpr_2): Ditto.
	(fixuns_truncdfdi2): Add expander for VSX support.
	(fix_truncdfdi2): Ditto.
	(fix_truncdfsi2): Ditto.
	(ftruncdf2): Ditto.
	(btruncsf2): Whitespace.
	(movdf_hardfloat32): Add support for VSX registers.
	(movdf_softfloat32): Ditto.
	(movdf_hardfloat64): Ditto.
	(movdf_hardfloat64_mfpgpr): Ditto.
	(movdf_softfloat64): Ditto.
	(movti splitters): Add check for vector registers supporting
	TImode in the future.
	(bpermd): Add power7 bpermd instruction.

	* config/rs6000/altivec.h (vec_div): Define if VSX.
	(vec_mul): Ditto.
	(vec_msub): Ditto.
	(vec_nmadd): Ditto.
	(vec_nearbyint): Ditto.
	(vec_rint): Ditto.
	(vec_sqrt): Ditto.
	(all predicates): Use the generic builtin function, and not the V4SF
	specific function so that the predicates will work with VSX's V2DF.
	(vec_all_*): Ditto.
	(vec_any_*): Ditto.

	* doc/extend.texi (PowerPC Altivec/VSX Built-in Functions):
	Document new VSX functions and types.

	* doc/invoke.texi (PowerPc options): Document -mpopcntd, -mvsx
	switches.

	* doc/md.texi (PowerPC constraints): Document "wd", "wf", "ws",
	"wa", and "j" constraints.  Modify "v" to talk about Altivec
	instead of just vector.

2009-07-30  Andrew MacLeod  <amacleod@redhat.com>

	PR debug/26475
	* tree-into-ssa.c (insert_phi_nodes_for, rewrite_add_phi_arguments): Set
	location for phi arguments.
	(rewrite_update_phi_arguments): Find locations for reaching defs.
	* tree-ssa-threadupdate.c (create_edge_and_update_destination_phis):
	Add location to add_phi_arg calls.
	* tree-loop-districbution.c (update_phis_for_loop_copy): Add locations.
	* tree-ssa-loop-manip.c (create_iv, add_exit_phis_edge,
	split_loop_exit_edge, tree_transform_and_unroll_loop): Add locations.
	* tree-tailcall.c (add_successor_phi_arg, eliminate_tail_call,
	create_tailcall_accumulator, tree_optimize_tail_calls_1): Add locations.
	* tree.h (struct phi_arg_d): Add location_t to PHI arguments.
	* tree-phinodes.c (make_phi_node): Initialize location.
	(resize_phi_node): Initialize location to UNKNOWN_LOCATION.
	(add_phi_arg): Add location parameter.
	(remove_phi_arg_num): Move location when moving phi argument.
	* omp-low.c (expand_parallel_call, expand_omp_for_static_chunk): Set
	location.
	* tree-vect-loop-manip.c (slpeel_update_phis_for_duplicate_loop,
	slpeel_update_phi_nodes_for_guard1,
	slpeel_update_phi_nodes_for_guard2,
	slpeel_tree_duplicate_loop_to_edge_cfg, set_prologue_iterations,
	vect_loop_versioning): Set locations.
	* tree-parloops.c (create_phi_for_local_result,
	transform_to_exit_first_loop, create_parallel_loop): Add locations.
	* gimple-pretty-print.c (dump_gimple_phi): Dump lineno's if present.
	* tree-vect-loop.c (get_initial_def_for_induction,
	vect_create_epilog_for_reduction, vect_finalize_reduction): Add
	locations.
	* tree-flow-inline.h (gimple_phi_arg_location): New.  Return locus.
	(gimple_phi_arg_location_from_edge): New.  Return locus from an edge.
	(gimple_phi_arg_set_location): New.  Set locus.
	(gimple_phi_arg_has_location): New.  Check for locus.
	(redirect_edge_var_map_location): New.  Return locus from var_map.
	* tree-vect-data-refs.c (vect_setup_realignment): Set location.
	* tree-ssa-phiopt.c (conditional_replacement): Set locus when
	combining PHI arguments.
	(cond_store_replacement): Set location.
	* cfgexpand.c (gimple_assign_rhs_to_tree): Transfer locus if possible.
	* grpahite.c (add_loop_exit_phis, add_guard_exit_phis,
	scop_add_exit_phis_edge): Add locations.
	* tree-cfgcleanup.c (remove_forwarder_block,
	remove_forwarder_block_with_phi): Add locations.
	* tree-ssa-pre.c (insert_into_preds_of_block): Add locations.
	* tree-predcom.c (initialize_root_vars, initialize_root_vars_lm): Add
	locations.
	* tree-ssa-dce.c (forward_edge_to_pdom): Add locations.
	* tree-ssa.c (redirect_edge_var_map_add, ssa_redirect_edge,
	flush_pending_stmts): Add source location.
	* lambda-code.c (perfect_nestify): Maintain location stack with argument
	stack to preserve locations.
	* tree-vect-stmts.c (vectorizable_load): Add location.
	* tree-inline.c (copy_phis_for_bb): Copy locus.
	(setup_one_parameter): Add call locus to inlined parameter stmts.
	(initialize_inlined_parameters): Pass in call location as parameter
	assignment locus.
	(tree_function_versioning): Pass location to setup_one_parameter.
	* tree-ssa-phiprop.c (phiprop_insert_phi): Set locations.
	* tree-outof-ssa.c (struct _elim_graph): Add source_location vecs for
	copy and edge lists.
	(insert_partition_copy_on_edge, insert_value_copy_on_edge,
	insert_rtx_to_part_on_edge, insert_part_to_rtx_on_edge): Provide a
	locus parameter and override the stmt default if provided.
	(new_elim_graph, clear_elim_graph, delete_elim_graph,
	elim_graph_add_edge, elim_graph_remove_succ_edge,
	FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED, eliminate_build,
	elim_forward, elim_unvisited_predecessor, elim_backward, elim_create,
	eliminate_phi):  Add locus info in elimination graph for each edge and
	value copy.
	(insert_backedge_copies): Copy locus if present.
	* tree-flow.h (struct _edge_var_map): Add locus field.
	* tree-switch_conversions.c (fix_phi_nodes): Add locations.
	* tree-cfg.c (reinstall_phi_args, gimple_make_forwarder_block,
	add_phi_args_after_copy_edge, gimple_lv_adjust_loop_header_phi): Add
	locations.
	* ipa-struct-reorg.c (make_edge_and_fix_phis_of_dest): Add locations.

2009-07-30  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40570
	* ipa-inline.c (cgraph_decide_inlining): Watch out for dead single
	use inlining loops.

2009-07-30  Razya Ladelsky <razya@il.ibm.com>

	* ssa-loop-manip.c: Include langhooks.h.
	(rewrite_phi_with_iv): New.
	(rewrite_all_phi_nodes_with_iv): New.
	(canonicalize_loop_ivs): Move here from tree-parloops.c.
	Remove reduction_list argument. Use rewrite_all_phi_nodes_with_iv.
	* tree-parloops.c (loop_parallel_p): Move out all conditions
	except dependency check.
	(canonicalize_loop_ivs): Move to tree-ssa-loop-manip.c.
	(gen_parallel_loop): Call canonicalize_loop_ivs without
	reduction_list argument.
	(build_new_reduction): New.
	(gather_scalar_reductions): New.
	(try_get_loop_niter): New.
	(try_create_reduction_list): New.
	(parallleize_loops): Change the parallel conditions check.
	* tree-flow.h (canonicalize_loop_ivs): Remove one argument.
	* Makefile.in (tree-ssa-loop-manip.o): Add langhooks.h dependency.

2009-07-30  Dave Korn  <dave.korn.cygwin@gmail.com>

	* opt-functions.awk (opt_args): Allow argument to be enclosed in
	curly braces.
	* doc/options.texi (Option properties):  Mention new quoting syntax.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/alpha.c (alpha_start_function):
	Handle VMS_DEBUG_MAIN_POINTER
	* config/alpha/vms.h (VMS_DEBUG_MAIN_POINTER): Define new macro.
	* doc/invoke.texi: Document -mdebug-main switch.

2009-07-29  Richard Henderson  <rth@redhat.com>

	* cgraph.c (cgraph_set_call_stmt_including_clones): Tidy.
	(cgraph_create_edge_including_clones): Likewise.
	* tree-inline.c (copy_bb): Operate on the correct edges
	when updating the callgraph.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

	* config/alpha/vms-cc.c: Deleted.
	* config/alpha/vms-ld.c: Deleted.
	* config/alpha/t-vms64: Moved to config/vms
	* config/alpha/vms-crt0-64.c: Moved to config/vms
	* config/alpha/vms-crt0.c: Moved to config/vms
	* config/alpha/vms-psxcrt0-64.c: Moved to config/vms
	* config/alpha/vms-psxcrt0.c: Moved to config/vms
	* config/alpha/xm-vms.h: Moved to config/vms
	* config/alpha/x-vms: Moved to config/vms
	* config/alpha/t-vms (vcrt0.o, pcrt0.o): Move rules to new file
	config/vms/t-vms.
	* config/vms/t-vms: Moved here from config/alpha. Alpha specific
	parts removed. (STMP_FIXPROTO, STMP_FIXINC, LIMITS_H_TEST): Set.
	(version): Set.
	* config/vms/t-vms64: Moved here from config/alpha
	* config/vms/vms-crt0-64.c: Moved here from config/alpha.
	(argc,argv,envp): Enforce 32bit malloc'ing.
	* config/vms/vms-psxcrt0-64.c: Likewise.
	* config/vms/vms-crt0.c: Moved here from config/alpha.
	* config/vms/vms-psxcrt0.c: Likewise.
	* config/vms/vms-crtl-64.h: New file.
	* config/vms/vms-crtl.h: New file.
	* config/vms/vms.opt: New file.
	* config/vms/xm-vms64.h: New file.
	* config/vms/xm-vms.h: Moved here from config/alpha.
	(STANARD_EXEC_PREFIX, STANDARD_STARTFILE_PREFIX, STANDARD_INCLUDE_DIR):
	Set.
	* config/vms/x-vms: Moved here from config/alpha.
	(version, VMS_EXTRA_PARTS): Moved to t-vms.
	(vms-ld.o, vms-cc.o): Removed.
	(LN, LN_S, USE_COLLECT2, POD2MAN): Set.

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

	* dwarf2out.c (add_name_and_src_coords_attributes): Push on the
	correct stack (obvious VMS fix).

2009-07-29  Douglas B Rupp  <rupp@gnat.com>

	* dwarf2out.c (output_file_names): Output VMS style file name, size,
	date, version info if VMS_DEBUGGING_INFO defined.
	* vmsdgbout.c (vms_file_stats_name): New functon. VMS style file name,
	size, date calculating code moved here.

2009-07-29  Paul Brook  <paul@codesourcery.com>

	* config/arm/lib1funcs.asm (clear_cache): Use ARM_FUNC_START and
	do_push/do_pop.

2009-07-29  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40577
	* config/alpha/alpha.c (alpha_expand_unaligned_store): Convert src
	to DImode when generating insq_le insn.

2009-07-28  Douglas B Rupp  <rupp@gnat.com>

	* dwarf2out.c (DWARF2_INDIRECT_STRING_SUPPORT_MISSING_ON_TARGET):
	New macro set for VMS_DEBUGGGING_INFO.
	(AT_string_form): Use it.

2009-07-28  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (vtext_section): New.
	(vftext_section): New.
	(ftext_section): New.
	(mep_select_section): Add support for functions.
	(mep_unique_section): Likewise.
	(mep_asm_init_sections): Likewise.
	(mep_encode_section_info): Remove it from here.

	* config/mep/mep.h (USE_SELECT_SECTION_FOR_FUNCTIONS): Define.

2009-07-28  Paolo Bonzini  <bonzinI@gnu.org>

	* tree.h (TREE_DEPRECATED): Document it is used for types too.
	(TYPE_VECTOR_OPAQUE): Use default_def_flag

2009-07-28  Douglas B Rupp  <rupp@gnat.com>

	* dwarf2out.c (output_file_names): Test new macro
	DWARF2_DIR_SHOULD_END_WITH_SEPARATOR.
	(add_comp_dir_attribute): Likewise.

2009-07-28  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw-w64.h (LINK_SPEC): Add
	separating space between commands.

2009-07-28  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/40759
	* tree-ssa-dce.c (mark_virtual_phi_result_for_renaming): Mark all uses
	for renaming.

2009-07-27  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_expand_builtin_saveregs): Make sure 64-bit
	types are dword-aligned.
	(mep_expand_va_start): Likewise.

2009-07-27  Olivier Hainque  <hainque@adacore.com>
	    Douglas B Rupp  <rupp@gnat.com>

	* convert.c (convert_to_pointer): Don't assume the target
	pointer type is POINTER_SIZE long. Fetch its precision instead.

2009-07-27  Douglas B Rupp  <rupp@gnat.com>

	* system.h (fopen): Undefine if macro.

2009-07-27  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (output_cfi_p): Removed.
	(output_cfis): New function.
	(output_fde): New function, split from output_call_frame_info.
	(output_call_frame_info): Use it.
	(dwarf2out_switch_text_section): Use output_cfis.

2009-07-24  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygming.h (DWARF2_UNWIND_INFO): Error build when
	TARGET_BI_ARCH is specified without enabling SJLJ.
	* config/i386/mingw32.h (MD_UNWIND_SUPPORT): Define MD_UNWIND_SUPPORT,
	if TARGET_64BIT and TARGET_BI_ARCH aren't defined.

2009-07-26  Mikael Pettersson <mikpe@it.uu.se>

	* arm.md (negdi2): Use DImode if forcing a value into a register.

2009-07-26  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40801
	* tree-vect-stmts.c (vectorizable_call): Get previous copy
	of vector operand from the previous copy of vector statement.
	Pass the correct definition type value to
	vect_get_vec_def_for_stmt_copy().

2009-07-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* collect2.c (scan_libraries): Use CONST_CAST2 to perform char ** to
	const char ** conversion.

2009-07-25 David Daney <ddaney@caviumnetworks.com>

	* system.h (gcc_assert): Invoke __builtin_unreachable() instead of
	fancy_abort() if !ENABLE_ASSERT_CHECKING.
	(gcc_unreachable): Invoke __builtin_unreachable() if
	!ENABLE_ASSERT_CHECKING.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

	PR rtl-optimization/40445
	* emit-rtl.c (next_nonnote_insn_bb): New function.
	* rtl.h (next_nonnote_insn_bb): Declare new function.
	* cfgcleanup.c (try_optimize_cfg): Don't remove an empty block
	with no successors that is the successor of the ENTRY_BLOCK.
	Continue from the top after removing an empty fallthrough block.
	* cfgrtl.c (get_last_bb_insn): Call next_nonnote_insn_bb instead
	of next_nonnote_insn.

2009-07-25  David Daney  <ddaney@caviumnetworks.com>

	* cfgcleanup.c (old_insns_match_p): Handle the case of empty blocks.

2009-07-25  Martin Jambor  <mjambor@suse.cz>

	* c-common.c (c_common_attribute_table): New element for noclone.
	(handle_noclone_attribute): New function. Forward-declare.
	* tree-inline.c (tree_versionable_function_p): Check for noclone
	attribute.
	* doc/extend.texi (Labels as Values): Document need for noclone.
	(Function Attributes): Document noclone attribute.

2009-07-25  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/34999
	* dwarf2out.c (struct dw_fde_struct): Add dw_fde_switch_cfi
	and dw_fde_switched_cold_to_hot fields.
	(output_cfi_p): New function.
	(output_call_frame_info): If fde->dw_fde_switched_sections,
	output 2 FDEs instead of one with corrupted header.
	(dwarf2out_do_cfi_startproc): New function.
	(dwarf2out_begin_prologue): Use it.  Initialize fde->dw_fde_switch_cfi
	and fde->dw_fde_switched_cold_to_hot.
	(dwarf2out_switch_text_section): Compute
	fde->dw_fde_switched_cold_to_hot.  Switch to new text section here.
	If dwarf2out_do_cfi_asm, emit .cfi_endproc before it and call
	dwarf2out_do_cfi_startproc plus emit again currently active CFI insns.
	Otherwise, compute fde->dw_fde_switch_cfi.

2009-07-24  Cary Coutant  <ccoutant@google.com>

	* tree-cfg.c (assign_discriminator): Add explicit parentheses.

2009-07-24  Cary Coutant  <ccoutant@google.com>

	* cfghooks.c (split_block): Copy discriminator to new block.
	* tree-cfg.c (assign_discriminator): Check location of last
	instruction in block as well as first.

2009-07-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/linux.c: Use fputs or putc instead of fprintf
	where appropriate.
	* config/i386/gas.h: Ditto.
	* config/i386/x86-64.h: Ditto.
	* config/i386/att.h: Ditto.

2009-07-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* expmed.c (emit_store_flag): Use a recursive call to optimize the
	xor case.

2009-07-24  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (struct ipa_node_params): New flag node_enqued.
	(ipa_push_func_to_list_1): Declare.
	(ipa_push_func_to_list): New function.

	* ipa-prop.c (ipa_push_func_to_list_1): New function.
	(ipa_init_func_list): Call ipa_push_func_to_list_1.
	(ipa_push_func_to_list): Removed.
	(ipa_pop_func_from_list): Clear node_enqueued flag.

2009-07-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.c (override_options): Default
	max-unrolled-insns to 100 for z10 tuning.

2009-07-24  Tobias Grosser  <grosser@fim.uni-passau.de>

	* Makefile.in (TREE_DATA_REF_H, tree-vrp.o, tree-cfg.o, tree-if-conv.o
	tree-ssa-loop.o, tree-ssa-loop-niter.o, tree-ssa-loop-ivcanon.o,
	tree-ssa-loop-prefetch.o, tree-predcom.o, tree-affine.o,
	tree-scalar-evolution.o, tree-data-ref.o, tree-vect-loop.o,
	tree-vect-data-refs.o, tree-loop-linear.o, tree-loop-distribution.o
	tree-parloops.o, tree-pretty-printer.o, fold-const.o, tree-ssa-dce.o,
	lambda-code.o, params.o): Cleanup use of SCEV_H and TREE_DATA_REF_H.

2009-07-24  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR): Remove and
	use default set in mingw32.h header.
	* config/i386/mingw32.h (STANDARD_INCLUDE_DIR): Use for 32-bit and
	64-bit /mingw/include path.
	(STANDARD_STARTFILE_PREFIX_1): Use for 32-bit and 64-bit /mingw/lib
	path.

2009-07-23  Neil Vachharajani  <nvachhar@google.com>

	PR rtl-optimization/40209
	* loop-iv.c (iv_analysis_loop_init): Call df_note_add_problem.

2009-07-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c: Use ASM_LONG instead of .long.  Concatenate
	ASM_LONG, LPREFIX, MCOUNT_NAME and PROFILE_COUNT_REGISTER strings
	with the rest of string where appropriate.  Use fputs or putc
	instead of fprintf where appropriate.

2009-07-22  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/vector.md: New file.  Move most of the vector
	expander support here from altivec.md to allow for the VSX vector
	unit in the future.  Add support for secondary_reload patterns.
	Rewrite the patterns for vector comparison, and vector comparison
	predicate instructions so that the RTL expresses the desired
	behavior, instead of using unspec.

	* config/rs6000/constraints.md ("f" constraint): Use
	rs6000_constraints to hold the precalculated register class.
	("d" constraint): Ditto.
	("wd" constraint): New constraint for VSX.
	("wf" constraint): Ditto.
	("ws" constraint): Ditto.
	("wa" constraint): Ditto.
	("wZ" constraint): Ditto.
	("j" constraint): Ditto.

	* config/rs6000/predicates.md (vsx_register_operand): New
	predicate for VSX.
	(vfloat_operand): New predicate for vector.md.
	(vint_operand): Ditto.
	(vlogical_operand): Ditto.
	(easy_fp_constant): If VSX, 0.0 is an easy constant.
	(easy_vector_constant): Add VSX support.
	(altivec_indexed_or_indirect_operand): New predicate for
	recognizing Altivec style memory references with AND -16.

	* config/rs6000/rs6000.c (rs6000_vector_reload): New static global
	for vector secondary reload support.
	(rs6000_vector_reg_class): Delete, replacing it with
	rs6000_constraints.
	(rs6000_vsx_reg_class): Ditto.
	(rs6000_constraints): New array to hold the register classes of
	each of the register constraints that can vary at runtime.
	(builtin_mode_to_type): New static array for builtin function type
	creation.
	(builtin_hash_table): New static hash table for builtin function
	type creation.
	(TARGET_SECONDARY_RELOAD): Define target hook.
	(TARGET_IRA_COVER_CLASSES): Ditto.
	(rs6000_hard_regno_nregs_internal): If -mvsx, floating point
	registers are 128 bits if VSX memory reference instructions are used.
	(rs6000_hard_regno_mode_ok): For VSX, only check if the VSX memory
	unit is being used.
	(rs6000_debug_vector_unit): Move into rs6000_debug_reg_global.
	(rs6000_debug_reg_global): Move -mdebug=reg statements here.
	Print several of the scheduling related parameters.
	(rs6000_init_hard_regno_mode_ok): Switch to putting constraints in
	rs6000_constraints instead of rs6000_vector_reg_class.  Move
	-mdebug=reg code to rs6000_debug_reg_global.  Add support for
	-mvsx-align-128 debug switch.  Drop testing float_p if VSX or
	Altivec.  Add VSX support.  Setup for secondary reload support on
	Altivec/VSX registers.
	(rs6000_override_options): Make power7 set the scheduling groups
	like the power5.  Add support for new debug switches to override
	the scheduling defaults.  Temporarily disable -mcpu=power7 from
	setting -mvsx.  Add support for debug switches -malways-hint,
	-msched-groups, and -malign-branch-targets.
	(rs6000_buitlin_conversion): Add support for returning unsigned
	vector conversion functions to fix regressions due to stricter
	type checking.
	(rs6000_builtin_mul_widen_even): Ditto.
	(rs6000_builtin_mul_widen_odd): Ditto.
	(rs6000_builtin_vec_perm): Ditto.
	(rs6000_vec_const_move): On VSX, use xxlxor to clear register.
	(rs6000_expand_vector_init): Initial VSX support for using xxlxor
	to zero a register.
	(rs6000_emit_move): Fixup invalid const symbol_ref+reg that is
	generated upstream.
	(bdesc_3arg): Add builtins for unsigned types.  Add builtins for
	VSX types for bit operations.  Changes to accomidate vector.md.
	(bdesc_2arg): Ditto.
	(bdesc_1arg): Ditto.
	(struct builtin_description_predicates): Rewrite predicate
	handling so that RTL describes the operation, instead of passing
	the instruction to be used as a string argument.
	(bdesc_altivec_preds): Ditto.
	(altivec_expand_predicate_builtin): Ditto.
	(altivec_expand_builtin): Ditto.
	(rs6000_expand_ternop_builtin): Use a switch instead of an if
	statement for vsldoi support.
	(altivec_expand_ld_builtin): Change to use new names from vector.md.
	(altivec_expand_st_builtin): Ditto.
	(paired_expand_builtin): Whitespace changes.
	(rs6000_init_builtins): Add V2DF/V2DI types.  Initialize the
	builtin_mode_to_type table for secondary reload.  Call
	builtin_function_type to build random builtin functions.
	(altivec_init_builtins): Change to use builtin_function_type to
	create builtin function types dynamically as we need them.
	(builtin_hash_function): New support for hashing the tree types
	for builtin function as we need it, rather than trying to build
	all of the trees that we need.  Add initial preliminary VSX support.
	(builtin_function_type): Ditto.
	(builtin_function_eq): Ditto.
	(builtin_hash_struct): Ditto.
	(rs6000_init_builtins): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(altivec_init_builtins): Ditto.
	(rs6000_common_init_builtins): Ditto.
	(enum reload_reg_type): New enum for simplifing reg classes.
	(rs6000_reload_register_type): Simplify register classes into GPR,
	Vector, and other registers.  Altivec and VSX addresses in reload.
	(rs6000_secondary_reload_inner): Ditto.
	(rs6000_ira_cover_classes): New target hook, that returns the
	appropriate cover classes, based on -mvsx being used or not.
	(rs6000_secondary_reload_class): Add VSX support.
	(get_vec_cmp_insn): Delete, rewrite vector conditionals.
	(get_vsel_insn): Ditto.
	(rs6000_emit_vector_compare): Rewrite vector conditional support
	so that where we can, we use RTL operators, instead of blindly use
	UNSPEC.
	(rs6000_emit_vector_select): Ditto.
	(rs6000_emit_vector_cond_expr): Ditto.
	(rs6000_emit_minmax): Directly generate min/max under altivec, vsx.
	(create_TOC_reference): Add -mdebug=addr support.
	(emit_frame_save): VSX loads/stores need register indexed addressing.

	* config/rs6000/rs6000.md: Include vector.md.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Add vector.md.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	support for V2DI, V2DF in logical, permute, select operations.

	* config/rs6000/rs6000.opt (-mvsx-scalar-double): Add new debug
	switch for vsx/power7.
	(-mvsx-scalar-memory): Ditto.
	(-mvsx-align-128): Ditto.
	(-mallow-movmisalign): Ditto.
	(-mallow-df-permute): Ditto.
	(-msched-groups): Ditto.
	(-malways-hint): Ditto.
	(-malign-branch-targets): Ditto.

	* config/rs6000/rs6000.h (IRA_COVER_CLASSES): Delete, use target
	hook instead.
	(IRA_COVER_CLASSES_PRE_VSX): Cover classes if not -mvsx.
	(IRA_COVER_CLASSES_VSX): Cover classes if -mvsx.
	(rs6000_vector_reg_class): Delete.
	(rs6000_vsx_reg_class): Ditto.
	(enum rs6000_reg_class_enum): New enum for the constraints that
	vary based on target switches.
	(rs6000_constraints): New array to hold the register class for all
	of the register constraints that vary based on the switches used.
	(ALTIVEC_BUILTIN_*_UNS): Add unsigned builtin functions.
	(enum rs6000_builtins): Add unsigned varients for the builtin
	declarations returned by target hooks for expanding multiplies,
	select, and permute operations.  Add VSX builtins.
	(enum rs6000_builtin_type_index): Add entries for VSX.
	(V2DI_type_node): Ditto.
	(V2DF_type_node): Ditto.
	(unsigned_V2DI_type_node): Ditto.
	(bool_long_type_node): Ditto.
	(intDI_type_internal_node): Ditto.
	(uintDI_type_internal_node): Ditto.
	(double_type_internal_node): Ditto.

	* config/rs6000/altivec.md (whole file): Move all expanders to
	vector.md from altivec.md.  Rename insn matching functions to be
	altivec_foo.
	(UNSPEC_VCMP*): Delete, rewrite vector comparisons.
	(altivec_vcmp*): Ditto.
	(UNSPEC_VPERM_UNS): New, add for unsigned types using vperm.
	(VM): New iterator for moves that includes the VSX types.
	(altivec_vperm_<mode>): Add VSX types.  Add unsigned types.
	(altivec_vperm_<mode>_uns): New, for unsigned types.
	(altivec_vsel_*): Rewrite vector comparisons and predicate builtins.
	(altivec_eq<mode>): Ditto.
	(altivec_gt<mode>): Ditto.
	(altivec_gtu<mode>): Ditto.
	(altivec_eqv4sf): Ditto.
	(altivec_gev4sf): Ditto.
	(altivec_gtv4sf): Ditto.
	(altivec_vcmpbfp_p): Ditto.

2009-07-23  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (split for ior/xor with shift and zero-extend): Cast op3 to
	unsigned HWI.

2009-07-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40832
	* config/i386/i386.c (output_387_ffreep): Rewrite to use
	ASM_SHORT instead of .word.
	* config/i386/i386.md (*tls_global_dynamic_64): Use ASM_SHORT
	instead of .word in asm template.

2009-07-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/37488
	* ira-lives.c (bb_has_abnormal_call_pred): New function.
	(process_bb_node_lives): Use it.

	* ira.c (setup_cover_and_important_classes): Don't setup
	ira_important_class_nums.  Add cover classes to the end of
	important classes.
	(cover_class_order, comp_reg_classes_func, reorder_important_classes):
	New.
	(find_reg_class_closure): Use reorder_important_classes.

	* config/i386/i386.h (IRA_COVER_CLASSES): Remove.

	* config/i386/i386.c (i386_ira_cover_classes): New function.
	(TARGET_IRA_COVER_CLASSES): Redefine.

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Add a comment about
	importance of order of cover classes in the array.

2009-07-22  Diego Novillo  <dnovillo@google.com>

	* tree-pass.h (TDF_EH): Define.
	* gimple-pretty-print.c (dump_gimple_stmt): If FLAGS
	contains TDF_EH, print the EH region number holding GS.
	* tree-dump.c (dump_options): Add "eh".
	* doc/invoke.texi: Document it.

2009-07-22  Doug Kwan  <dougkwan@google.com>

	* config/arm/arm.md (subdi3) Copy non-reg values to DImode registers.

2009-07-22  Michael Matz  <matz@suse.de>

	PR tree-optimization/35229
	PR tree-optimization/39300

	* tree-ssa-pre.c (includes): Include tree-scalar-evolution.h.
	(inhibit_phi_insertion): New function.
	(insert_into_preds_of_block): Call it for REFERENCEs.
	(init_pre): Initialize and finalize scalar evolutions.
	* Makefile.in (tree-ssa-pre.o): Depend on tree-scalar-evolution.h .

2009-07-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/predicates.md (zero_extended_scalar_load_operand):
	Use CONST_VECTOR_NUNITS to determine number of elements.

2009-07-22  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md (ZQ, ZR, ZS, ZT): New constraints.
	(U, W): Constraints are now deprecated and will be removed if we
	run out of letters.
	* config/s390/s390.md (U, W): Replaced with ZQZR, ZSZT throughout
	the file.
	("prefetch"): Add the stcmh instruction for prefetching.
	* config/s390/s390.c (s390_symref_operand_p): Function moved. No
	changes.
	(s390_short_displacement): Return always true if compiling for
	machines not providing the long displacement facility.
	(s390_mem_constraint): Support the new constraint letter Z.
	(s390_check_qrst_address): New function.

2009-07-21  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_legitimize_arg): Leave control registers
	alone too.

2009-07-21  Jason Merrill  <jason@redhat.com>

	* c-common.c (max_tinst_depth): Increase default to 1024.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_unpacku_float_hi_v4si): New expander.
	(vec_unpacku_float_lo_v4si): Ditto.

2009-07-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/40811
	* config/i386/sse.md (sse2_cvtudq2ps): New expander.
	(enum ix86_builtins): Add IX86_BUILTIN_CVTUDQ2PS.
	(builtin_description): Add __builtin_ia32_cvtudq2ps.
	(ix86_vectorize_builtin_conversion): Handle IX86_BUILTIN_CVTUDQ2PS.

2009-07-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/40813
	* tree-inline.c (copy_bb): Regimplify RHS after last stmt, not before
	it.

2009-07-21  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_gimplify_va_arg_expr): Wrap the result
	with a NOP_EXPR if needed.

2009-07-21  Paul Brook <paul@codesourcery.com>

	* tree-vectorizer.c (increase_alignment): Handle nested arrays.
	Terminate debug dump with newline.

2009-07-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (compute_zdepwi_operands): Limit deposit length to 32 - lsb.
	Cast "1" to unsigned HOST_WIDE_INT.
	(compute_zdepdi_operands): Limit maximum length to 64 bits.  Limit
	deposit length to the maximum length - lsb.  Extend length if
	HOST_BITS_PER_WIDE_INT is 32.

2009-07-20  Olatunji Ruwase <tjruwase@google.com>

	* cgraph.h (constant_pool_htab): New function.
	(constant_descriptor_tree): Move from varasm.c.
	* varasm.c (constant_pool_htab): New function.
	(constant_descriptor_tree): Move to cgraph.h.

2009-07-20  Olatunji Ruwase  <tjruwase@google.com>

	* toplev.c: Invoke FINISH_UNIT callbacks before call to finalize().

2009-07-20  Shujing Zhao  <pearly.zhao@oracle.com>

	* Makefile.in (TREE_INLINE_H, tree-inline.o, cgraph.o): Remove
	$(VARRAY_H).

2009-07-20  Xinliang David Li  <davidxl@google.com>

	* dbgcnt.c (dbg_cnt_set_limit_by_name): Add length check.

2009-07-20  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (move_type): Add arith.
	(type): Handle arith.
	(zero_extendsidi2): Rename this into ...
	(*zero_extendsidi2): ... this.  Don't match if ISA_HAS_EXT_INS.
	(zero_extendsidi2): New expander.
	(*zero_extendsidi2_dext): New pattern.

2009-07-20  Nick Clifton  <nickc@redhat.com>

	* config.gcc (mips64-*-*): Add definition of tm_defines in order
	to set MIPS_ABI_DEFAULT.
	* config/mips/vr.h (MIPS_ABI_DEFAULT): Remove definition.

2009-07-20  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Handle unions with
	array in it as last field of structs in __bos (, 1) as __bos (, 0).

	PR tree-optimization/40792
	* tree.c (build_function_type_skip_args): Remove bogus assert.

2009-07-20  Jan Hubicka  <jh@suse.cz>
	    Martin Jambor  <mjambor@suse.cz>

	* cgraph.h (combined_args_to_skip): New field.
	* cgraph.c (cgraph_create_virtual_clone): Properly handle
	combined_args_to_skip and args_to_skip.
	* tree-inline.c (update_clone_info): New function.
	(tree_function_versioning): Call update_clone_info.
	* cgraphunit.c: (cgraph_materialize_clone): Dump materialized
	functions.
	(cgraph_materialize_all_clones): More extensive dumping, working
	with combined_args_to_skip rather than args_to_skip.

2009-07-20  Ira Rosen  <irar@il.ibm.com>

	* tree-vectorizer.h (vectorizable_condition): Add parameters.
	* tree-vect-loop.c (vect_is_simple_reduction): Support COND_EXPR.
	(get_initial_def_for_reduction): Likewise.
	(vectorizable_reduction): Skip the check of first operand in case
	of COND_EXPR. Add check that it is outer loop vectorization if
	nested cycle was detected. Call vectorizable_condition() for
	COND_EXPR. If reduction epilogue cannot be created do not fail for
	nested cycles (if it is not double reduction). Assert that there
	is only one type in the loop in case of COND_EXPR. Call
	vectorizable_condition() to vectorize COND_EXPR.
	* tree-vect-stmts.c (vectorizable_condition): Update comment.
	Add parameters. Allow nested cycles if called from
	vectorizable_reduction(). Use reduction vector variable if provided.
	(vect_analyze_stmt): Call vectorizable_reduction() before
	vectorizable_condition().
	(vect_transform_stmt): Update call to vectorizable_condition().

2009-07-20  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.opt (-mfmovd): Resurrect and document.
	* doc/invoke.texi (-mfmovd): Likewise.
	* config/sh/sh.h (TARGET_FMOVD, MASK_FMOVD): Remove default setting.

2009-07-20  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-dce.c (remove_dead_phis): Only look for abnormal PHIs
	when handling SSA name.

2009-07-19  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/40676
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do renaming on all
	virtual PHIs in empty BBs.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (make_compound_operation) <SUBREG>: If force_to_mode
	re-expanded the compound use gen_lowpart instead to convert to the
	desired mode.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (try_widen_shift_mode): Add COUNT, OUTER_CODE and
	OUTER_CONST arguments.
	<LSHIFTRT>: Use them to allow widening if the bits shifted in from
	the new wider mode will be masked off.
	(simplify_shift_const_1): Adjust calls to try_widen_shift_mode.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (try_widen_shift_mode) <LSHIFTRT>: Allow widening if the
	high-order bits are zero.

2009-07-18  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (simplify_shift_const_1): Split code to determine
	shift_mode into ...
	(try_widen_shift_mode): ... here.  Allow widening for ASHIFTRT if the
	new bits shifted in are identical to the old sign bit.

2009-07-18  Richard Guenther  <rguenther@suse.de>

	PR c/40787
	* gimplify.c (gimplify_call_expr): Reject code using results from
	functions returning void.

2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* doc/md.texi: Document the new PowerPC "es" constraint.
	Document that "m" can include automodified addresses on this target,
	and explain how %U must be used.  Extend the "Q" and "Z" documentation
	to suggest "es" as well as "m".
	* config/rs6000/constraints.md (es): New memory constraint.
	(Q, Z): Update strings to match new documentation.

2009-07-18  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* config/rs6000/rs6000.c (rs6000_mode_dependent_address): Allow any
	offset from virtual_stack_vars_rtx and arg_pointer_rtx.
	* config/rs6000/predicates.md (volatile_mem_operand): Use
	offsettable_nonstrict_memref_p.
	* config/rs6000/rs6000.md (*floatsidf2_internal): Remove split check.
	(*floatunssidf2_internal): Likewise.
	(*fix_truncdfsi2_internal): Likewise.
	(*fix_trunctfsi2_internal): Likewise.

2009-07-17  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr-devices.c (avr_mcu_t): Add atmega8u2, atmega16u2 and
	atmega32u2 devices.
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-07-17  Richard Guenther  <rguenther@suse.de>

	PR c/40401
	* tree-pass.h (pass_diagnose_omp_blocks): Declare.
	(pass_warn_unused_result): Likewise.
	(TODO_set_props): Remove.
	* omp-low.c (diagnose_omp_structured_block_errors): Change to
	run as a pass.
	(pass_diagnose_omp_blocks): Define.
	* c-decl.c (pop_file_scope): Do not finalize the CU here.
	(c_gimple_diagnostics_recursively): Remove.
	(finish_function): Do not call it.
	(c_write_global_declarations): Continue after errors.
	Finalize the CU here.
	* c-gimplify.c (c_genericize): Do not gimplify here.
	* c-common.c (c_warn_unused_result): Move ...
	* tree-cfg.c (do_warn_unused_result): ... here.
	(run_warn_unused_result): New function.
	(gate_warn_unused_result): New function.
	(pass_warn_unused_result): New pass.
	* c-common.h (c_warn_unused_result): Remove.
	* flags.h (flag_warn_unused_result): Declare.
	* c-opts.c (c_common_init_options): Enable flag_warn_unused_result.
	* opts.c (flag_warn_unused_result): Initialize to false.
	* toplev.c (compile_file): Add comment.
	* omp-low.c (create_omp_child_function): Do not register
	the function with the frontend.
	(diagnose_omp_structured_block_errors): Prepare to be
	called as optimization pass.
	(gate_diagnose_omp_blocks): New function.
	(pass_diagnose_omp_blocks): New pass.
	* cgraph.h (cgraph_optimize): Remove.
	(cgraph_analyze_function): Likewise.
	* cgraph.c (cgraph_add_new_function): Gimplify C++ thunks.
	* cgraphunit.c (cgraph_lower_function): Lower nested functions
	before their parents here.
	(cgraph_finalize_function): Not here.
	(cgraph_analyze_function): Gimplify functions here.
	(cgraph_finalize_compilation_unit): Continue after errors.
	Optimize the callgraph from here.
	(cgraph_optimize): Make static.
	* langhooks.c (write_global_declarations): Finalize the CU.
	* gimplify.c (gimplify_asm_expr): Do not emit ASMs with errors.
	(gimplify_function_tree): Assert we gimplify only once.
	Set PROP_gimple_any property.
	* tree-nested.c (gimplify_all_functions): New function.
	(lower_nested_functions): Gimplify all nested functions.
	* gimple.h (diagnose_omp_structured_block_errors): Remove.
	* passes.c (init_optimization_passes): Add pass_warn_unused_result
	and pass_diagnose_omp_blocks after gimplification.  Do not
	set TODO_set_props on all_lowering_passes.
	(execute_one_pass): Do not handle TODO_set_props.
	* Makefile.in (cgraphunit.o): Add $(TREE_DUMP_H) dependency.
	(gimplify.o): Add tree-pass.h dependency.
	* tree-inline.c (copy_statement_list): Properly copy STATEMENT_LIST.
	(copy_tree_body_r): Properly handle TARGET_EXPR like SAVE_EXPR.
	(unsave_r): Likewise.
	* c-omp.c (c_finish_omp_atomic): Set DECL_CONTEXT on the
	temporary variable.

2009-07-17  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/service.texi (Service): Restore previously removed link,
	which isn't broken after all.

2009-07-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40321
	* tree-ssa-pre.c (add_to_exp_gen): Also add names defined by
	PHI nodes to the maximal set.
	(make_values_for_phi): Add PHI arguments to the maximal set.
	(execute_pre): Dump PHI_GEN and the maximal set.

2009-07-17  Jakub Jelinek  <jakub@redhat.com>

	PR c++/40780
	* gimplify.c (gimplify_conversion): Don't change non-conversions into
	VIEW_CONVERT_EXPR.

2009-07-16  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi (Nested Functions): Replace broken link with
	textual reference.
	* doc/service.texi (Service): Remove broken link.

2009-07-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/40781
	* builtins.c (expand_builtin_memcmp): Use loc instead of
	EXPR_LOCATION (exp).
	(expand_builtin_strncmp): Likewise.

2009-07-17  Aldy Hernandez  <aldyh@redhat.com>
	    Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 40435
	* tree-complex.c, tree-loop-distribution.c, tree.c, tree.h,
	builtins.c, fold-const.c, omp-low.c, cgraphunit.c, tree-ssa-ccp.c,
	tree-ssa-dom.c, gimple-low.c, expr.c, tree-ssa-ifcombine.c,
	c-decl.c, stor-layout.c, tree-if-conv.c, c-typeck.c, gimplify.c,
	calls.c, tree-sra.c, tree-mudflap.c, tree-ssa-copy.c,
	tree-ssa-forwprop.c, c-convert.c, c-omp.c, varasm.c,
	tree-inline.c, c-common.c, c-common.h, gimple.c,
	tree-switch-conversion.c, gimple.h, tree-cfg.c, c-parser.c,
	convert.c: Add location argument to fold_{unary,binary,ternary},
	fold_build[123], build_call_expr, build_size_arg,
	build_fold_addr_expr, build_call_array, non_lvalue, size_diffop,
	fold_build1_initializer, fold_build2_initializer,
	fold_build3_initializer, fold_build_call_array,
	fold_build_call_array_initializer, fold_single_bit_test,
	omit_one_operand, omit_two_operands, invert_truthvalue,
	fold_truth_not_expr, build_fold_indirect_ref, fold_indirect_ref,
	combine_comparisons, fold_builtin_*, fold_call_expr,
	build_range_check, maybe_fold_offset_to_address, round_up,
	round_down.

2009-07-16  Jason Merrill  <jason@redhat.com>

	PR libstdc++/37907
	* c-common.c (c_common_reswords): Add __is_standard_layout
	and __is_trivial.
	* c-common.h (enum rid): Add RID_IS_STD_LAYOUT and RID_IS_TRIVIAL.
	* doc/implement-cxx.texi: New.
	* doc/gcc.texi: Include it.

2009-07-16  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_compare_redundant): Avoid removing
	compares that may be indirectly affected by previous instructions.

2009-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (do_mpc_arg2): New.
	(fold_builtin_2): Fold builtin cpow.
	* real.h (HAVE_mpc_pow): New.

2009-07-16  Bingfeng Mei  <bmei@broadcom.com>

	* modulo-sched.c (sms_schedule): stage_count <= 1 as correct
	comparison to skip unprofitable schedule

2009-07-16  Simon Baldwin  <simonb@google.com>

	* gcc.c (option_map): New flag -no-canonical-prefixes.
	* (display_help): Print help text for new flag.
	* (process_command): Move options translation and language specifics
	and handle new flag early.  Use it to set a function pointer to a
	prefix builder.  Replace make_relative_prefix calls with calls to
	the function pointed to.  Ignore new flag in regular options handling.
	* doc/invoke.texi (Overall Options): Documented -no-canonical-prefixes.

2009-07-15  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.md (sibcall_internal): Change register to avoid
	argument registers.
	(sibcall_value_internal): Likewise.

2009-07-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/40710
	* resource.c (mark_target_live_regs): Reset DF problem to LR.

2009-07-15  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*extenddi_truncate<mode>,
	*extendsi_truncate<mode>): Change type attribute to move_type
	with shift_shift.  Split out code handling exts from here ...
	(*extend<GPR:mode>_truncate<SHORT:mode>_exts): ... to this new
	pattern.
	(*extendhi_truncateqi): Change type attribute to move_type with
	shift_shift.  Split out code handling exts from here ...
	(*extendhi_truncateqi_exts): ... to this new pattern.

2009-07-15  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (copysign<mode>3): Use "and-not" SSE instruction
	instead of "and" with inverted sign bit mask value.  Use
	"nonimmediate_operand" for operand 1 and operand 2 predicate.
	Allocate registers only for operand 4 and operand 5.

2009-07-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40747
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	< and <= to MIN, make sure the MIN uses the same type as the
	comparison's operands.

2009-07-15  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (ior_xor): New code iterator.
	(split for ior/xor with shift and zero-extend): New split pattern.
	* arm/predicates.md (subreg_lowpart_operator): New special predicate.

2009-07-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (make_constraint_from_heapvar): Initialize
	offset member.

2009-07-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40753
	* alias.c (ao_ref_from_mem): Reject FUNCTION_DECL and LABEL_DECL bases.

2009-07-15  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/linux-unwind.h (m68k_fallback_frame_state): Update to
	handle 2.6.30 kernel.

2009-07-15  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.md (sibcall_internal): Change register to allow
	for 24-bit addresses.
	(sibcall_value_internal): Likewise.

2009-07-14  Ghassan Shobaki  <ghassan.shobaki@amd.com>

	* doc/invoke.texi: Added descriptions of the  scheduling heuristics
	that are enabled/disabled by the flags introduced by a previous patch.

2009-07-14  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.md (sibcall_internal): Include non-toggling
	non-jmp case.
	(sibcall_value_internal): Likewise.

2009-07-14  Taras Glek  <tglek@mozilla.com>
	    Rafael Espindola  <espindola@google.com>

	* doc/sourcebuild.texi: Document install-plugin target.
	* configure.ac: Added install-plugin target to language makefiles.
	* configure: Regenerate.
	* Makefile.in: (install-plugin): Install more headers,
	depend on lang.install-plugin.

2009-07-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* tree-vrp.c (vrp_evaluate_conditional): Mark strings for
	translation.

2009-07-14  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_vliw_jmp_match): New function.
	* config/mep/mep-protos.h (mep_vliw_jmp_match): Prototype it.
	* config/mep/mep.md (sibcall_internal): Change test from
	mep_vliw_mode_match to mep_vliw_jmp_match.
	(sibcall_value_internal): Likewise.

2009-07-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (copysign<mode>3): New expander.
	* config/i386/i386-protos.h (ix86_build_signbit_mask): New prototype.
	* config/i386/i386.c (ix86_build_signbit_mask): Make public.
	Use ix86_build_const_vector.
	(enum ix86_builtins): Add IX86_BUILTIN_CPYSGNPS and
	IX86_BUILTIN_CPYSGNPD.
	(builtin_description): Add __builtin_ia32_copysignps and
	__builtin_ia32_copysignpd.
	(ix86_builtin_vectorized_function): Handle BUILT_IN_COPYSIGN
	and BUILT_IN_COPYSIGNF.

2009-07-13  Jason Merrill  <jason@redhat.com>

	* builtins.c (can_trust_pointer_alignment): New fn.
	(get_pointer_alignment): Factor it out from here.
	* tree.h: Declare it.

2009-07-14  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/predicates.md (offsettable_mem_operand): Test
	RTX_AUTOINC class.

2009-07-14  Dodji Seketeli  <dodji@redhat.com>

	PR debug/40705
	PR c++/403057
	* dwarf2.out.c (gen_type_die_with_usage): Added comment.

2009-07-14  Richard Guenther  <rguenther@suse.de>
	    Andrey Belevantsev <abel@ispras.ru>

	PR middle-end/40745
	* cfgexpand.c (partition_stack_vars): Do not bother to update
	alias information when not optimizing.

2009-07-14  Richard Guenther  <rguenther@suse.de>
	    Andrey Belevantsev <abel@ispras.ru>

	* tree-ssa-alias.h (refs_may_alias_p_1): Declare.
	(pt_solution_set): Likewise.
	* tree-ssa-alias.c (refs_may_alias_p_1): Export.
	* tree-ssa-structalias.c (pt_solution_set): New function.
	* final.c (rest_of_clean_state): Free SSA data structures.
	* print-rtl.c (print_decl_name): Remove.
	(print_mem_expr): Implement in terms of print_generic_expr.
	* alias.c (ao_ref_from_mem): New function.
	(rtx_refs_may_alias_p): Likewise.
	(true_dependence): Query alias-export info.
	(canon_true_dependence): Likewise.
	(write_dependence_p): Likewise.
	* tree-dfa.c (get_ref_base_and_extent): For void types leave
	size unknown.
	* emit-rtl.c (component_ref_for_mem_expr): Remove.
	(mem_expr_equal_p): Use operand_equal_p.
	(set_mem_attributes_minus_bitpos): Do not use
	component_ref_for_mem_expr.
	* cfgexpand.c (add_partitioned_vars_to_ptset): New function.
	(update_alias_info_with_stack_vars): Likewise.
	(partition_stack_vars): Call update_alias_info_with_stack_vars.
	* tree-ssa.c (delete_tree_ssa): Do not release SSA names
	explicitly nor clear stmt operands.
	Free the decl-to-pointer map.
	* tree-optimize.c (execute_free_datastructures): Do not free
	SSA data structures here.
	* tree-flow.h (struct gimple_df): Add decls_to_pointers member.
	* Makefile.in (emit-rtl.o): Add pointer-set.h dependency.
	(alias.o): Add tree-ssa-alias.h, pointer-set.h and $(TREE_FLOW_H)
	dependencies.
	(print-rtl.o): Add $(DIAGNOSTIC_H) dependency.

2009-07-13  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.h (CC1_SPEC): Tweak parameters to trigger
	unrolling at the right iteration count.

	* config/mep/mep.c (mep_expand_prologue): Fix frame pointer
	calculations.

2009-07-13  Ghassan Shobaki  <ghassan.shobaki@amd.com>

	* haifa-sched.c (rank_for_schedule): Introduced flags to
	enable/disable individual scheduling heuristics.
	* common.opt: Introduced flags to enable/disable individual
	heuristics in the scheduler.
	* doc/invoke.texi: Introduced flags to enable/disable individual
	heuristics in the scheduler.

2009-07-13  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Remove file
	config/i386/mingw-tls.c.
	* config/i386/mingw-tls.c: Removed.

2009-07-13  Ira Rosen  <irar@il.ibm.com>

	* tree-vect-loop.c (get_initial_def_for_reduction): Ensure that the
	checks access only relevant statements.
	(vectorizable_reduction): Likewise.

2009-07-12  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define _X86_
	just for 32-bit case.

2009-07-12  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/40585
	* except.c (expand_resx_expr): When there already is resume
	instruction, produce linked list.
	(build_post_landing_pads): Assert that resume is empty.
	(connect_post_landing_pads): Handle resume lists.
	(dump_eh_tree): Dump resume list.

2009-07-12  Ira Rosen  <irar@il.ibm.com>

	* tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
	with additional argument.
	* tree-vectorizer.h (enum vect_def_type): Add
	vect_double_reduction_def.
	(vect_is_simple_reduction): Add argument.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Fix
	indentation.
	(vect_analyze_scalar_cycles_1): Detect double reduction. Call
	vect_is_simple_reduction with additional argument.
	(vect_analyze_loop_operations): Handle exit phi nodes in case of
	double reduction.
	(reduction_code_for_scalar_code): Handle additional codes by
	returning ERROR_MARK for them. Fix comment and indentation.
	(vect_is_simple_reduction): Fix comment, add argument to specify
	double reduction. Detect double reduction.
	(get_initial_def_for_induction): Fix indentation.
	(get_initial_def_for_reduction): Fix comment and indentation.
	Handle double reduction. Create initial definitions that do not
	require adjustment if ADJUSTMENT_DEF is NULL. Handle additional cases.
	(vect_create_epilog_for_reduction): Fix comment, add argument to
	handle double reduction. Use PLUS_EXPR in case of MINUS_EXPR in
	epilogue result extraction. Create double reduction phi node and
	replace relevant uses.
	(vectorizable_reduction): Call vect_is_simple_reduction with
	additional argument. Fix indentation. Update epilogue code treatment
	according to the changes in reduction_code_for_scalar_code. Check
	for double reduction. Call vect_create_epilog_for_reduction with
	additional argument.
	* tree-vect-stmts.c (process_use): Handle double reduction, update
	documentation.
	(vect_mark_stmts_to_be_vectorized): Handle double reduction.
	(vect_get_vec_def_for_operand): Likewise.

2009-07-12  Danny Smith  <dansmister@gmail.com>

	* config/i386/winnt.c (i386_pe_determine_dllexport_p): Don't
	dllexport if !TREE_PUBLIC.
	(i386_pe_maybe_record_exported_symbol): Assert TREE_PUBLIC.

2009-07-11  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Redefine.
	(avr_extra_arch_macro) Remove declatation.
	* config/avr/avr.c (avr_cpu_cpp_builtins): New function.
	(avr_extra_arch_macro) Declare as static.
	* config/avr/avr-protos.h (avr_cpu_cpp_builtins): Dclare.

2009-07-11  Jan Hubicka  <jh@suse.cz>

	PR middle-end/48388
	* except.c (can_be_reached_by_runtime): Test for NULL aka bitmap.

2009-07-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40713
	* dwarf2out.c (dw_fde_struct): Add in_std_section and
	cold_in_std_section bits.
	(dwarf2out_begin_prologue): Initialize them.
	(dwarf2out_finish): Don't emit FDE range into .debug_ranges
	if already covered by text_section or cold_text_section range.

	PR rtl-optimization/40667
	* defaults.h (MINIMUM_ALIGNMENT): Define if not defined.
	* doc/tm.texi (MINIMUM_ALIGNMENT): Document it.
	* config/i386/i386.h (MINIMUM_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_minimum_alignment): New function.
	* config/i386/i386-protos.h (ix86_minimum_alignment): New prototype.
	* cfgexpand.c (expand_one_var): Use MINIMIM_ALIGNMENT.
	* emit-rtl.c (gen_reg_rtx): Likewise.
	* function.c (assign_parms): Likewise.  If nominal_type needs
	bigger alignment than FUNCTION_ARG_BOUNDARY, use its alignment
	rather than passed_type's alignment.

	PR target/40668
	* function.c (assign_parm_setup_stack): Adjust
	MEM_OFFSET (data->stack_parm) if promoted_mode is different
	from nominal_mode on big endian.

2009-07-11  Paolo Bonzini  <bonzini@gnu.org>

	* expmed.c (emit_store_flag_1): Fix choice of zero vs. sign extension.

2009-07-10  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_can_inline_p): Correct logic, and simplify.

2009-07-10  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/thumb2.md (thumb2_cbz): Correct computation of length
	attribute.
	(thumb2_cbnz): Likewise.

2009-07-10  David Daney  <ddaney@caviumnetworks.com>

	PR target/39079
	* config.gcc (supported_defaults): Add synci.
	(with_synci): Add validation.
	(all_defaults): Add synci.
	* config/mips/mips.md (clear_cache): Use TARGET_SYNCI instead of
	ISA_HAS_SYNCI.
	(synci): Same.
	* config/mips/mips.opt (msynci): New option.
	* config/mips/mips.c (mips_override_options): Warn on use of
	-msynci for targets that do now support it.
	* gcc/config/mips/mips.h (OPTION_DEFAULT_SPECS): Add a default for
	msynci.
	* gcc/doc/invoke.texi (-msynci): Document the new option.
	* doc/install.texi (--with-synci): Document the new option.

2009-07-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40496
	* tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Create
	the PHI result with a compatible type.

2009-07-10  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 25509
	PR 40614
	* c.opt (Wunused-result): New.
	* doc/invoke.texi: Document it.
	* c-common.c (c_warn_unused_result): Use it.

2009-07-09  DJ Delorie  <dj@redhat.com>

	* targhooks.c (default_target_can_inline_p): Rename from
	default_target_option_can_inline_p.
	* targhooks.h (default_target_can_inline_p): Likewise.
	* target-def.h (TARGET_CAN_INLINE_P): Rename from
	TARGET_OPTION_CAN_INLINE_P.
	* config/i386/i386.c (TARGET_CAN_INLINE_P): Likewise.
	* config/mep/mep.c (TARGET_CAN_INLINE_P): Likewise.
	(mep_target_can_inline_p): Rename from
	mep_target_option_can_inline_p.

	PR target/40626
	* config/mep/mep.h (FUNCTION_ARG_REGNO_P): Add coprocessor
	registers used to pass vectors.

	* config/mep/mep.c (mep_option_can_inline_p): Remove error call.

2009-07-09  Tom Tromey  <tromey@redhat.com>

	* unwind-dw2-fde-darwin.c: Include dwarf2.h.
	* config/mmix/mmix.c: Include dwarf2.h.
	* config/rs6000/darwin-fallback.c: Include dwarf2.h.
	* config/xtensa/unwind-dw2-xtensa.c: Include dwarf2.h.
	* config/sh/sh.c: Include dwarf2.h.
	* config/i386/i386.c: Include dwarf2.h.
	* Makefile.in (DWARF2_H): Remove 'elf'.
	* except.c: Include dwarf2.h.
	* unwind-dw2.c: Include dwarf2.h.
	* dwarf2out.c: Include dwarf2.h.
	* unwind-dw2-fde-glibc.c: Include dwarf2.h.
	* unwind-dw2-fde.c: Include dwarf2.h.
	* dwarf2asm.c: Include dwarf2.h.

2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* haifa-sched.c (insn_finishes_cycle_p): New static function.
	(max_issue): Use it.
	* sched-int.h (struct sched_info: insn_finishes_block_p): New
	scheduler hook.
	* sched-rgn.c (rgn_insn_finishes_block_p): Implement it.
	(region_sched_info): Update.
	* sched-ebb.c (ebb_sched_info): Update.
	* modulo-sched.c (sms_sched_info): Update.
	* sel-sched-ir.c (sched_sel_haifa_sched_info): Update.

2009-07-09  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* varasm.c (build_constant_desc): Don't share RTL in pool entries.

2009-07-09  Basile Starynkevitch  <basile@starynkevitch.net>

	* plugin.c (try_init_one_plugin): passes RTLD_GLOBAL to dlopen.

2009-07-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40692
	* fold-const.c (fold_cond_expr_with_comparison): Don't replace
	arg1 with arg01 if arg1 is already INTEGER_CST.

2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>

	* simplify-rtx.c (simplify_binary_operation_1) <AND>:
	Transform (and (truncate)) into (truncate (and)).

2009-07-08  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (make_extraction): Check TRULY_NOOP_TRUNCATION before
	creating LHS paradoxical subregs.  Fix surrounding returns to
	use NULL_RTX rather than 0.

2009-07-08  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c: (mep_option_can_inline_p): New.
	(TARGET_OPTION_CAN_INLINE_P): Define.

2009-07-08  Mark Wielaard  <mjw@redhat.com>

	PR debug/40659
	* dwarf2out.c (add_data_member_location_attribute): When we have
	only a constant offset don't emit a new location description using
	DW_OP_plus_uconst, but just add the constant with add_AT_int, when
	dwarf_version > 2.

2009-07-08  Richard Henderson  <rth@redhat.com>

	PR target/38900
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move to i386.c.
	(enum reg_class): Add CLOBBERED_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Likewise.
	* config/i386/i386.c (ix86_conditional_register_usage): Moved
	from CONDITIONAL_REGISTER_USAGE; build CLOBBERED_REGS for 64-bit.
	(ix86_function_ok_for_sibcall): Tidy.  Disallow MS->SYSV sibcalls.
	(ix86_expand_call): Use sibcall_insn_operand when needed.  Don't
	force 64-bit sibcalls into R11.
	* config/i386/constraints.md (U): New constraint.
	* config/i386/i386.md (sibcall_1, sibcall_value_1): Use it.
	(sibcall_1_rex64, sibcall_value_1_rex64): Likewise.
	(sibcall_1_rex64_v, sibcall_value_1_rex64_v): Remove.

2009-07-08  Shujing Zhao  <pearly.zhao@oracle.com>

	* basic-block.h (dump_regset, debug_regset): Remove duplicate
	prototypes.
	* c-objc-common.h (c_initialize_diagnostics): Ditto.
	* ebitmap.h (dump_ebitmap): Ditto.
	* optabs.h (optab_libfunc): Ditto.
	* tree.h (tree_expr_nonzero_warnv_p): Ditto.
	* tree-flow.h (vect_can_force_dr_alignment_p,
	get_vectype_for_scalar_type): Ditto.
	(vectorize_loops): Move prototype to ...
	* tree-vectorizer.h: ... here. Also, adjust comment.
	(vect_set_verbosity_level): Remove duplicate prototype.
	* tree-ssa-loop.c: Include tree-vectorizer.h.
	* Makefile.in (tree-ssa-loop.o): Depend on tree-vectorizer.h.

2009-07-08  Nick Clifton  <nickc@redhat.com>

	* config/i386/unix.h (ASM_COMMENT_START): Add a space after the
	forward slash.

2009-07-08  DJ Delorie  <dj@redhat.com>

	* config/mep/mep-ivc2.cpu (cpmovtocsar0_C3, cpmovtocsar1_C3,
	cpmovtocc_C3, cpmovtocsar0_P0S_P1, cpmovtocsar1_P0S_P1,
	cpmovtocc_P0S_P1): Mark volatile.  Note which registers are
	written to.
	* config/mep/intrinsics.md: Regenerated.
	* config/mep/mep.c (mep_interrupt_saved_reg): Save IVC2 control
	registers when asm() or calls are detected.

2009-07-08  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c++/31246
	* gimplify.c (gimplify_expr): Propagate no_warning flag when
	gimplifying.
	* gimple (gimple_build_call_from_tree): Likewise.
	* tree-cfg.c (remove_useless_stmts_warn_notreached): Check
	no_warning flag before warning.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* tree.c (set_expr_locus): Remove.
	* tree.h (EXPR_LOCUS,SET_EXPR_LOCUS,set_expr_locus): Remove.
	* c-typeck.c (c_finish_stmt_expr):  Replace EXPR_LOCUS by
	EXPR_LOCATION.
	* gimplify.c (internal_get_tmp_var): Likewise.
	(gimplify_call_expr): Likewise.
	(gimplify_one_sizepos): Likewise.

2009-07-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/40666
	* dbxout.c (dbxout_symbol) <PARM_DECL>: Deal with parameters pointing
	to variables for debugging purposes.

2009-06-23  Mark Loeser  <mark@halcy0n.com>

	PR build/40010
	* Makefile.in (gcc.pod): Depend on gcc-vers.texi.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* pretty-print.c (pp_base_format): Remove %J.
	* c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
	gcc_cxxdiag_char_table): Likewise.
	(init_dynamic_diag_info): Likewise.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* pretty-print.c (pp_base_format): Remove %H.
	* c-format.c (gcc_diag_char_table, gcc_tdiag_char_table,
	gcc_cxxdiag_char_table): Likewise.
	(init_dynamic_diag_info): Likewise.
	* config/mep/mep.c (mep_select_section): Likewise.

2009-07-07  Duncan Sands  <baldrick@free.fr>

	* final.c (pass_clean_state): Give the pass a name.
	* passes.c (pass_rest_of_compilation): Likewise.
	* tree-optimize.c (pass_all_optimizations): Likewise.

2009-07-07  H.J. Lu  <hongjiu.lu@intel.com>

	* config/ia64/ia64.c (ia64_handle_model_attribute): Remove
	an extra 'decl' for error_at.

2009-07-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40669
	* tree-tailcall.c (adjust_return_value_with_ops,
	create_tailcall_accumulator): Set DECL_GIMPLE_REG_P on the temporary
	if it has complex or vector type.

2009-07-07  Olivier Hainque  <hainque@adacore.com>

	* config/alpha/t-osf4 (SHLIB_LINK): Do not hide the dummy weak
	pthread symbols.

2009-07-07  Basile Starynkevitch  <basile@starynkevitch.net>

	* Makefile.in: added more lists of includes to PLUGIN_HEADERS.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* cgraphunit.c: Replace %J by an explicit location.  Update all calls.
	* c-decl.c: Likewise.
	* function.c: Likewise.
	* varasm.c: Likewise.
	* tree-ssa.c: Likewise.
	* c-common.c: Likewise.
	* tree-cfg.c: Likewise.
	* config/spu/spu.c: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/v850/v850.c: Likewise.

2009-07-06  DJ Delorie  <dj@redhat.com>

	* config/mep/mep-core.cpu (fsft, ssarb): Mark as VOLATILE.
	* config/mep/mep-ivc2.cpu (many): Add VOLATILE to more insns that make
	unspecified accesses to control registers.
	* config/mep/intrinsics.md: Regenerate.
	* config/mep/intrinsics.h: Regenerate.
	* config/mep/mep-intrin.h: Regenerate.

2009-07-07  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-lex.c: Replace %H by an explicit location. Update all calls.
	* c-common.c: Likewise.
	* c-decl.c: Likewise.
	* c-typeck.c: Likewise.
	* fold-const.c: Likewise.
	* gimplify.c: Likewise.
	* stmt.c: Likewise.
	* tree-cfg.c: Likewise.
	* tree-ssa-loop-niter.c: Likewise.
	* tree-vrp.c: Likewise.
	* value-prof.c: Likewise.

2009-07-06  Diego Novillo  <dnovillo@google.com>

	* tree-dfa.c (dump_variable): Write DECL_INITIAL for VAR
	if it has one.  Handle cases where VAR does not have an
	annotation or cfun is NULL.

2009-07-06  Diego Novillo  <dnovillo@google.com>

	* tree.c: Include debug.h.
	(initialize_tree_contains_struct): New.
	(init_ttree): Call it.
	(tree_node_structure_for_code): Factor out of ...
	(tree_node_structure): ... here.
	* treestruct.def (TS_PHI_NODE): Remove.
	(TS_GIMPLE_STATEMENT): Remove.

2009-07-06  Diego Novillo  <dnovillo@google.com>

	* tree-pretty-print.c (dump_generic_node): Protect against NULL op0.
	(debug_tree_chain): Handle cycles.

2009-07-06  Nick Clifton  <nickc@redhat.com>
	    DJ Delorie  <dj@redhat.com>

	* config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
	__FMOVD_ENABLED__ is defined.
	* config/sh/sh.h
	(TARGET_FMOVD): Provide a default definition.
	(MASK_FMOVD): Likewise.
	(TARGET_CPU_CPP_BUILTINS): Define
	__FMOVD_ENABLED__ if TARGET_FMOVD is true.
	* config/sh/sh.md (movdf_i4): For alternative 0 use either one or
	two fmov instructions depending upon whether TARGET_FMOVD is enabled.
	(split for DF load from memory into register): Also handle
	MEMs which consist of REG+DISP addressing.
	(split for DF store from register to memory): Likewise.
	(movsf_ie): Always use single fp_mode.
	* config/sh/sh.c (sh_override_options): Do not automatically
	enable TARGET_MOVD for the SH2A when supporting doubles - leave
	that to the -mfmovd command line switch.
	(broken_move): Do not restrict fldi test to only the SH4 and SH4A.
	(fldi_ok): Always allow.
	* config/sh/sh.opt (mfmovd): Remove this switch.
	* doc/invoke.texi (-mfmovd): Remove documentation of this switch.

2009-07-06  J"orn Rennecke  <joern.rennecke@arc.com>
	    Kaz Kojima  <kkojima@gcc.gnu.org>

	PR rtl-optimization/30807
	* postreload.c (reload_combine): For every new use of REG_SUM,
	record the use of BASE.

2009-07-06  Jan Hubicka  <jh@suse.cz>

	* params.def: Revert my accidental commit at 2009-06-30.

2009-07-04  Ian Lance Taylor  <iant@google.com>

	PR target/40636
	* config/i386/msformat-c.c (mingw_format_attributes): Declare as
	EXPORTED_CONST.
	(mingw_format_attribute_overrides): Likewise.

2009-07-04  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40596
	* dwarf2out.c (based_loc_descr): For crtl->stack_realign_tried
	don't check cfa.reg.  Instead of cfa.indirect use
	fde && fde->drap_reg != INVALID_REGNUM test.

2009-07-04  Eric Botcazou  <ebotcazou@adacore.com>

	* postreload.c (reload_combine): Replace CONST_REG with INDEX_REG.

2009-07-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/40587
	* ira.c (build_insn_chain): Use DF_LR_OUT instead of df_get_live_out.

2009-07-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40640
	* tree-switch-conversion.c (build_arrays): Perform arithmetic
	in original type.

2009-07-03  Jan Hubicka  <jh@suse.cz>

	* ipa-inline.c (cgraph_decide_inlining_incrementally): When optimizing
	for size, reduce amount of inlining.

2009-07-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/34163
	* tree-chrec.c (chrec_convert_1): Fold (T2)(t +- x) to (T2)t +- (T2)x
	if t +- x is known to not overflow and the conversion widens the
	operation.
	* Makefile.in (tree-chrec.o): Add $(FLAGS_H) dependency.

2009-07-03  Jan Hubicka  <jh@suse.cz>

	* ipa-pure-const.c (analyze): Update loop optimizer init.
	* tree-ssa-loop-iv-canon.c (empty_loop_p, remove_empty_loop,
	try_remove_empty_loop, remove_empty_loops): Remove.
	* tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): Remove.
	* tree-ssa-dce.c (find_obviously_necessary_stmts): Use finiteness info
	to mark regular loops as neccesary.
	(degenerate_phi_p): New function.
	(propagate_necessity, remove_dead_phis): Use it.
	(forward_edge_to_pdom): Likewise.
	(eliminate_unnecessary_stmts): Take care to remove uses of results of
	virtual PHI nodes that became unreachable.
	(perform_tree_ssa_dce): Initialize/deinitialize loop optimizer.
	* tree-flow.h (remove_empty_loops): Remove.
	* passes.c (init_optimization_passes): Remove.

2009-07-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1): Use
	can_create_pseudo_p.
	(*fix_trunc<mode>_i387_1): Ditto.
	(*floathi<mode>2_1): Ditto.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_1): Ditto.
	(*fistdi2_1): Ditto.
	(*fist<mode>2_1): Ditto.
	(frndintxf2_floor): Ditto.
	(*fist<mode>2_floor_1): Ditto.
	(frndintxf2_ceil): Ditto.
	(*fist<mode>2_ceil_1): Ditto.
	(frndintxf2_trunc): Ditto.
	(frndintxf2_mask_pm): Ditto.
	(fxam<mode>2_i387_with_temp): Ditto.
	* config/i386/sse.md (mulv16qi3): Ditto.
	(*sse2_mulv4si3): Ditto.
	(mulv2di3): Ditto.
	(sse4_2_pcmpestr): Ditto.
	(sse4_2_pcmpistr): Ditto.

2009-07-03  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-dce.c (bb_contains_live_stmts): New bitmap.
	(mark_stmt_necessary): Set it.
	(mark_operand_necessary): Set it.
	(mark_control_dependent_edges_necessary): Set it.
	(mark_virtual_phi_result_for_renaming): New function.
	(get_live_post_dom): New function.
	(forward_edge_to_pdom): New function.
	(remove_dead_stmt): Fix handling of control dependences.
	(tree_dce_init): Init new bitmap.
	(tree_dce_done): Free it.

2009-07-02  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/40617
	* tree-ssa-structalias.c (new_var_info): Initialize
	is_restrict_var.

2009-07-02  Jan Hubicka  <jh@suse.cz>

	* ipa-pure-const.c (check_op): Use PTA info to see if indirect_ref is
	local.

2009-07-02  Paolo Bonzini  <bonzini@gnu.org>

	* expmed.c (emit_cstore, emit_store_flag_1): Accept target_mode
	instead of recomputing it.  Adjust calls.
	(emit_store_flag): Adjust recursive calls.

2009-07-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-live.c (remove_unused_locals): Do not remove
	heap variables.
	* tree-ssa-structalias.c (handle_lhs_call): Delay setting
	of DECL_EXTERNAL for HEAP variables.
	(compute_points_to_sets): Set DECL_EXTERNAL for escaped
	HEAP variables.  Do not adjust RESTRICT vars.
	(find_what_var_points_to): Nobody cares if something
	points to READONLY.

2009-07-02  Ben Elliston  <bje@au.ibm.com>

	* unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Move
	pc_low and pc_high declarations to the top of the function.

2009-07-01  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.c (mep_handle_option): Leave IVC2 control
	registers as fixed.
	(mep_interrupt_saved_reg): Save appropriate IVC2 control registers.
	* config/mep/mep-ivc2.cpu: Add VOLATILE to insns that make
	unspecified accesses to control registers.
	* config/mep/intrinsics.md: Regenerate.
	* config/mep/intrinsics.h: Regenerate.
	* config/mep/mep-intrin.h: Regenerate.

2009-07-01  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.c (moxie_expand_prologue): Use dec
	instruction when possible.
	(moxie_expand_prologue): Ditto.  Also, save an instruction and
	some complexity by popping off of $r12 instead of $sp.
	* config/moxie/moxie.md (movsi_pop): Don't assume $sp.  Take two
	operands.

2009-07-01  Richard Henderson  <rth@redhat.com>

	PR bootstrap/40347
	* function.c (reposition_prologue_and_epilogue_notes): If epilogue
	contained no insns, reposition note before last insn.

2009-07-01  Richard Henderson  <rth@redhat.com>

	PR debug/40431
	* dwarf2out.c (def_cfa_1): Revert 2009-06-11 change for
	DW_CFA_def_cfa_offset and DW_CFA_def_cfa.

2009-07-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR bootstrap/40558
	* config/rs6000/rs6000.c (print_operand): Undo change that breaks
	darwin9 for printing reg addresses with %y.

2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (force_to_mode): Handle TRUNCATE.  Factor out
	truncation from operands in binary operations.

2009-07-01  Adam Nemet  <anemet@caviumnetworks.com>

	Revert:
	2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
	* expmed.c (store_bit_field_1): Properly truncate the paradoxical
	subreg of op0 to the original op0.

	* expmed.c (store_bit_field_1): Use a temporary as the destination
	instead of a paradoxical subreg when we need to truncate the result.

2009-07-01  DJ Delorie  <dj@redhat.com>

	* config/mep/mep-ivc2.cpu (cmov, cmovc, cmovh): Add intrinsic
	names to VLIW variants.
	(ivc2rm, ivc2crn): Make data type consistent with non-VLIW variants.
	* config/mep/intrinsics.md: Regenerate.
	* config/mep/intrinsics.h: Regenerate.
	* config/mep/mep-intrin.h: Regenerate.

2009-07-01  Jakub Jelinek  <jakub@redhat.com>

	PR debug/40462
	* jump.c (returnjump_p): Revert last patch.
	* dwarf2out.c (dwarf2out_begin_epilogue): Handle SEQUENCEs.

2009-07-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/40575
	* pa.md (casesi32p): Use jump table label to determine the offset
	of the jump table.
	(casesi64p): Likewise.

	* pa.c (forward_branch_p): Return bool type.  Use instruction
	addresses when available.  Assert that INSN has a jump label.
	(pa_adjust_insn_length): Don't call forward_branch_p if INSN doesn't
	have a jump label.

2009-07-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/19831
	* tree-ssa-dce.c (propagate_necessity): Calls to functions
	that only act as barriers do not make any previous stores necessary.
	* tree-ssa-structalias.c (handle_lhs_call): Delay making
	HEAP variables global, do not add a constraint from nonlocal.
	(find_func_aliases): Handle escapes through return statements.
	(compute_points_to_sets): Make escaped HEAP variables global.

2009-07-01  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/40597
	* expmed.c (emit_store_flag): Perform a conversion if necessary,
	after reducing a DImode cstore to SImode.

2009-07-01  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_expr_real_1): Reinstate fallthrough to
	TRUTH_ANDIF_EXPR if do_store_flag returns NULL.

2009-07-01  Maciej W. Rozycki  <macro@linux-mips.org>

	* config/vax/vax.h (TARGET_BSD_DIVMOD): New macro.  Set to 1.
	* config/vax/linux.h (TARGET_BSD_DIVMOD): New macro.  Redefine the
	to 0.
	* config/vax/vax.c (vax_init_libfuncs): Only redefine udiv_optab
	and umod_optab if TARGET_BSD_DIVMOD.
	* config/vax/lib1funcs.asm: New file.
	* config/vax/t-linux: New file.
	* config.gcc (vax-*-linux*): Set tmake_file to vax/t-linux.

2009-06-30  Jakub Jelinek  <jakub@redhat.com>

	PR c++/40566
	* convert.c (convert_to_integer) <case COND_EXPR>: Don't convert
	to type arguments that have void type.

	PR debug/40573
	* dwarf2out.c (gen_formal_parameter_die): Call
	equate_decl_number_to_die if node is different from origin.

2009-06-30  Anthony Green  <green@moxielogic.com>

	Clean up moxie port for --enable-build-with-cxx.
	* config/moxie/moxie.c (moxie_function_value): First two
	parameters are const_tree, not tree.
	* config/moxie/moxie.h (enum reg_class): Rename CC_REG to CC_REGS.
	(REG_CLASS_NAMES): Ditto.
	(REGNO_REG_CLASS): Ditto.
	* config/moxie/moxie-protos.h (moxie_override_options): Declare.
	(moxie_function_value): Fix constyness of arguments.

2009-06-30  Eric Botcazou  <ebotcazou@adacore.com>

	* cgraphunit.c (cgraph_finalize_compilation_unit): Call
	finalize_size_functions before further processing.
	* stor-layout.c: Include cgraph.h, tree-inline.h and tree-dump.h.
	(variable_size): Call self_referential_size on size expressions
	that contain a PLACEHOLDER_EXPR.
	(size_functions): New static variable.
	(copy_self_referential_tree_r): New static function.
	(self_referential_size): Likewise.
	(finalize_size_functions): New global function.
	* tree.c: Include tree-inline.h.
	(push_without_duplicates): New static function.
	(find_placeholder_in_expr): New global function.
	(substitute_in_expr) <tcc_declaration>: Return the replacement object
	on equality.
	<tcc_expression>: Likewise.
	<tcc_vl_exp>: If the replacement object is a constant, try to inline
	the call in the expression.
	* tree.h (finalize_size_functions): Declare.
	(find_placeholder_in_expr): Likewise.
	(FIND_PLACEHOLDER_IN_EXPR): New macro.
	(substitute_placeholder_in_expr): Update comment.
	* tree-inline.c (remap_decl): Do not unshare trees if do_not_unshare
	is true.
	(copy_tree_body_r): Likewise.
	(copy_tree_body): New static function.
	(maybe_inline_call_in_expr): New global function.
	* tree-inline.h (struct copy_body_data): Add do_not_unshare field.
	(maybe_inline_call_in_expr): Declare.
	* Makefile.in (tree.o): Depend on TREE_INLINE_H.
	(stor-layout.o): Depend on CGRAPH_H, TREE_INLINE_H, TREE_DUMP_H and
	GIMPLE_H.

2009-06-30  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-dce.c (mark_all_reaching_defs_necessary_1): Always
	continue walking.
	(propagate_necessity): Do not mark reaching defs of stores
	as necessary.

2009-06-30  Jan Hubicka  <jh@suse.cz>

	* cfgloopanal.c (check_irred): Move into ...
	(mark_irreducible_loops): ... here; return true if ireducible
	loops was found.
	* ipa-pure-const.c: Include cfgloop.h and tree-scalar-evolution.h
	(analyze_function): Try to prove loop finiteness.
	* cfgloop.h (mark_irreducible_loops): Update prototype.
	* Makefile.in (ipa-pure-const.o): Add dependency on SCEV and CFGLOOP.

2009-06-30  Basile Starynkevitch  <basile@starynkevitch.net>

	* Makefile.in (PLUGIN_HEADERS): added ggc, tree-dump, pretty-print.

2009-06-30  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40542
	* tree-vect-stmts.c (vect_analyze_stmt): Don't vectorize volatile
	types.

2009-06-30  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40582
	* tree-sra.c (build_ref_for_offset_1): Use types_compatible_p rather
	than useless_type_conversion_p.
	(generate_subtree_copies): Increment sra_stats.subtree_copies at a
	proper place.

2009-06-30  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/40554
	* tree-sra.c (sra_modify_expr): Add access->offset to start_offset.

2009-06-30  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (walk_aliased_vdefs_1): Change interface to
	use ao_ref references.
	(walk_aliased_vdefs): Likewise.
	* tree-ssa-alias.h (walk_aliased_vdefs): Adjust prototype.
	* tree-ssa-dce.c (struct ref_data): Remove.
	(mark_aliased_reaching_defs_necessary_1): Use the ao_ref argument.
	(mark_aliased_reaching_defs_necessary): Adjust.
	(mark_all_reaching_defs_necessary_1): Likewise.

2009-06-30  Paolo Bonzini  <bonzini@gnu.org>

	PR boostrap/40597
	* expmed.c (emit_cstore): New name of emit_store_flag_1.
	(emit_store_flag_1): Extract from emit_store_flag, adjust
	calls to (what now is) emit_cstore.
	(emit_store_flag): Call emit_store_flag_1 and also use it
	for what used to be recursive calls.

2009-06-30  Wei Guozhi  <carrot@google.com>

	PR/40416
	* tree-ssa-sink.c (statement_sink_location): Stop sinking expression
	if the target bb post dominates from bb.
	* config/i386/i386.c (memory_address_length): Check existence of base
	register before using it.

2009-06-30  Nick Clifton  <nickc@redhat.com>
	    DJ Delorie  <dj@redhat.com>

	* config.sh/lib1funcs.h (FMOVD_WORKS): Only define if
	__FMOVD_ENABLED__ is defined.
	* config/sh/sh.h
	(TARGET_FMOVD): Provide a default definition.
	(MASK_FMOVD): Likewise.
	(TARGET_CPU_CPP_BUILTINS): Define
	__FMOVD_ENABLED__ if TARGET_FMOVD is true.
	* config/sh/sh.md (movdf_i4): For alternative 0 use either one or
	two fmov instructions depending upon whether TARGET_FMOVD is
	enabled.
	(split for DF load from memory into register): Also handle
	MEMs which consist of REG+DISP addressing.
	(split for DF store from register to memory): Likewise.
	* config/sh/sh.opt (mfmovd): Remove this switch.
	* doc/invoke.texi (-mfmovd): Remove documentation of this switch.
	* config/sh/sh.c (sh_override_options): Do not automatically
	enable TARGET_MOVD for the SH2A when supporting doubles - leave
	that to the -mfmovd command line switch.

	* config/sh/sh.c (broken_move): Do not restrict fldi test to only
	the SH4 and SH4A.
	(fldi_ok): Always allow.
	* config/sh/sh.md (movsf_ie): Always use single fp_mode.

2009-06-29  DJ Delorie  <dj@redhat.com>

	* doc/install.texi (mep-x-elf): Correct chip's full name.

2009-06-29  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Fix typo.

2009-06-29  Tom Tromey  <tromey@redhat.com>

	* dwarf2.h: Remove.
	* Makefile.in (DWARF2_H): New variable.
	(except.o): Use it.
	(dwarf2out.o): Likewise.
	(dwarf2asm.o): Likewise.
	* config/i386/t-i386: Use DWARF2_H.
	* except.c: Include elf/dwarf2.h.
	* unwind-dw2.c: Include elf/dwarf2.h.
	* dwarf2out.c: Include elf/dwarf2.h.
	(dw_loc_descr_struct) <dw_loc_opc>: Now a bitfield.
	<dtprel>: New field.
	(dwarf_stack_op_name): Don't handle INTERNAL_DW_OP_tls_addr.
	(size_of_loc_descr): Likewise.
	(output_loc_operands_raw): Likewise.
	(output_loc_operands): Handle new dtprel field.
	(loc_checksum): Update.
	(loc_descriptor_from_tree_1) <VAR_DDECL>: Set dtprel field.
	* unwind-dw2-fde-glibc.c: Include elf/dwarf2.h.
	* unwind-dw2-fde.c: Include elf/dwarf2.h.
	* dwarf2asm.c: Include elf/dwarf2.h.
	* unwind-dw2-fde-darwin.c: Include elf/dwarf2.h.
	* config/mmix/mmix.c: Include elf/dwarf2.h.
	* config/rs6000/darwin-fallback.c: Include elf/dwarf2.h.
	* config/xtensa/unwind-dw2-xtensa.c: Include elf/dwarf2.h.
	* config/sh/sh.c: Include elf/dwarf2.h.
	* config/i386/i386.c: Include elf/dwarf2.h.

2009-06-29  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.h (CPP_SPEC): Remove __cop macro.

	* doc/extend.texi: Add MeP attributes and pragmas.
	* doc/invoke.text: Add MeP Options.
	* doc/contrib.texi: Add MeP contribution.
	* doc/md.texi: Add MeP constraints.
	* doc/install.texi: Add MeP target.

2009-06-30  Anatoly Sokolov  <aesok@post.ru>

	* target.h (struct gcc_target): Add frame_pointer_required field.
	* target-def.h (TARGET_FRAME_POINTER_REQUIRED): New.
	(TARGET_INITIALIZER): Use TARGET_FRAME_POINTER_REQUIRED.
	* ira.c (setup_eliminable_regset): Use frame_pointer_required target
	hook.
	* reload1.c (update_eliminables): (Ditto.).
	* gcc/system.h (FRAME_POINTER_REQUIRED): Poison.
	* doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
	(INITIAL_FRAME_POINTER_OFFSET): (Ditto.).

	* config/arc/arc.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/arm/arm.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/arm/arm.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(arm_frame_pointer_required): New function.

	* config/avr/avr.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/avr/avr.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(avr_frame_pointer_required_p): Declare as static.
	* config/avr/avr-protos.h (avr_frame_pointer_required_p): Remove.

	* config/bfin/bfin.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/bfin/bfin.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(bfin_frame_pointer_required): Make as static, change return type
	to bool.
	* config/bfin/bfin-protos.h (bfin_frame_pointer_required): Remove.

	* config/cris/cris.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/cris/cris.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(cris_frame_pointer_required): New function.

	* config/crx/crx.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/fr30/fr30.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/fr30/fr30.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(fr30_frame_pointer_required): New function.

	* config/frv/frv.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/frv/frv.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(frv_frame_pointer_required): Make as static, change return type
	to bool.
	* config/bfin/bfin-protos.h (frv_frame_pointer_required): Remove.

	* config/i386/i386.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/i386/i386.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(ix86_frame_pointer_required): Make as static, change return type to
	bool.
	* config/i386/i386-protos.h (ix86_frame_pointer_required): Remove.

	* config/m32c/m32c.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/m32c/m32c.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

	* config/m32r/m32r.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/mcore/mcore.h (CAN_ELIMINATE): Remove macro.

	* config/mep/mep.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/mips/mips.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/mips/mips.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(mips_frame_pointer_required): Make as static.
	* config/mips/mips-protos.h (mips_frame_pointer_required): Remove.

	* config/mmix/mmix.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/mmix/mmix.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(mmix_frame_pointer_required): Mew function.

	* config/moxie/moxie.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/moxie/moxie.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.

	* config/pa/pa.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/score/score.h (FRAME_POINTER_REQUIRED): Remove macro.

	* config/sh/sh.h (CAN_ELIMINATE): Remove macro.

	* config/sparc/sparc.h (FRAME_POINTER_REQUIRED): Remove macro.
	(CAN_ELIMINATE): Redefine.
	* config/sparc/sparc.c (TARGET_FRAME_POINTER_REQUIRED): Define macro.
	(sparc_frame_pointer_required): New function.
	(sparc_can_eliminate): New function.
	* config/sparc/sparc-protos.h (sparc_can_eliminate): Declare.

	* config/vax/vax.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/vax/vax.c (TARGET_FRAME_POINTER_REQUIRED): Define.

	* config/xtensa/xtensa.h (FRAME_POINTER_REQUIRED): Remove macro.
	* config/xtensa/xtensa.c (TARGET_FRAME_POINTER_REQUIRED): Define.
	(xtensa_frame_pointer_required): Make as static, change return type
	to bool.
	* config/xtensa/xtensa-protos.h (xtensa_frame_pointer_required):
	Remove.

2009-06-29  Olatunji Ruwase  <tjruwase@google.com>

	* doc/plugins.texi: Document PLUGIN_START_UNIT.
	* toplev.c (compile_file): Call PLUGIN_START_UNIT.
	* gcc-plugin.h (PLUGIN_START_UNIT): Added new event.
	* plugin.c (plugin_event_name): Added PLUGIN_START_UNIT.
	(register_callback): Handle PLUGIN_START_UNIT.
	(invoke_plugin_callbacks): Handle PLUGIN_START_UNIT.

2009-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (process_call_operands): Propagate TREE_READONLY from the
	operands.
	(PROCESS_ARG): Do not clear TREE_READONLY if CONSTANT_CLASS_P.
	(build3_stat): Propagate TREE_READONLY for COND_EXPR.

2009-06-29  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/arm/arm.h (REGISTER_MOVE_COST): Increase VFP register
	move cost.

2009-06-29  Uros Bizjak  <ubizjak@gmail.com>

	* doc/extend.texi (Additional Floating Types): __float128 is also
	supported on i386 targets.

2009-06-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/14187
	* tree-ssa-alias.h (struct pt_solution): Add vars_contains_restrict
	flag.
	(pt_solutions_same_restrict_base): Declare.
	* tree-ssa-structalias.c (struct variable_info): Add is_restrict_var
	flag.
	(new_var_info): Initialize is_global_var properly for SSA_NAMEs.
	(make_constraint_from, make_copy_constraint): Move earlier.
	(make_constraint_from_heapvar): New function.
	(make_constraint_from_restrict): Likewise.
	(handle_lhs_call): Use it.
	(find_func_aliases): Use it to track conversions to restrict
	qualified pointers.
	(struct fieldoff): Add only_restrict_pointers flag.
	(push_fields_onto_fieldstack): Initialize it.
	(create_variable_info_for): Track global restrict qualified pointers.
	(intra_create_variable_infos): Use make_constraint_from_heapvar.
	Track restrict qualified pointer arguments.
	(set_uids_in_ptset): Use varinfo is_global_var flag.
	(find_what_var_points_to): Set the vars_contains_restrict flag.
	Always create the points-to solution for sets including restrict tags.
	(pt_solutions_same_restrict_base): New function.
	* tree-ssa-alias.c (ptr_derefs_may_alias_p): For two restrict
	qualified pointers use pt_solutions_same_restrict_base as
	additional source for disambiguation.

2009-06-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38212
	* alias.c (find_base_decl): Remove.
	(get_deref_alias_set_1): Remove restrict handling.
	* c-common.c (c_apply_type_quals_to_decl): Do not set
	DECL_POINTER_ALIAS_SET.
	* gimplify.c (find_single_pointer_decl_1): Remove.
	(find_single_pointer_decl): Likewise.
	(internal_get_tmp_var): Remove restrict handling.
	(gimple_regimplify_operands): Likewise.
	* omp-low.c (expand_omp_atomic_pipeline): Do not set
	DECL_POINTER_ALIAS_SET. Use ref-all pointers.
	* print-tree.c (print_node): Do not print DECL_POINTER_ALIAS_SET.
	* tree.c (restrict_base_for_decl): Remove.
	(init_ttree): Do not allocate it.
	(make_node_stat): Do not set DECL_POINTER_ALIAS_SET.  Set
	LABEL_DECL_UID for label decls.
	(copy_node_stat): Do not copy restrict information.
	(decl_restrict_base_lookup): Remove.
	(decl_restrict_base_insert): Likewise.
	(print_restrict_base_statistics): Likewise.
	(dump_tree_statistics): Do not call print_restrict_base_statistics.
	* tree.h (DECL_POINTER_ALIAS_SET): Remove.
	(DECL_POINTER_ALIAS_SET_KNOWN_P): Likewise.
	(struct tree_decl_common): Rename pointer_alias_set to label_decl_uid.
	(LABEL_DECL_UID): Adjust.
	(DECL_BASED_ON_RESTRICT_P): Remove.
	(DECL_GET_RESTRICT_BASE): Likewise.
	(SET_DECL_RESTRICT_BASE): Likewise.
	(struct tree_decl_with_vis): Remove based_on_restrict_p flag.

	* config/i386/i386.c (ix86_gimplify_va_arg): Use ref-all pointers
	instead of DECL_POINTER_ALIAS_SET.
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
	* config/s390/s390.c (s390_gimplify_va_arg): Likewise.
	* config/spu/spu.c (spu_gimplify_va_arg_expr): Likewise.

2009-06-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40579
	* tree-vrp.c (vrp_evaluate_conditional): Bail out early if
	the IL to simplify has constants that overflowed.

2009-06-28  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/40550
	* tree-vect-generic.c (expand_vector_operations_1): Compute in
	vector_compute_type only when the size of vector_compute_type is
	less than the size of type.

2009-06-28  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (contains_label_1): Fix comments.
	(contains_label_p): Do not walk trees multiple time.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

	* config/i386/i386.h (enum ix86_fpcmp_strategy): New.
	* config/i386/i386.md (cbranchxf4, cstorexf4, cbranch<MODEF>4,
	cstore<MODEF>4, mov<X87MODEF>cc): Change predicate to
	ix86_fp_comparison_operator.
	(*fp_jcc_1_mixed, *fp_jcc_1_sse, *fp_jcc_1_387, *fp_jcc_2_mixed,
	*fp_jcc_2_sse, *fp_jcc_2_387): Delete
	(*fp_jcc_3_387, *fp_jcc_4_387, *fp_jcc_5_387, *fp_jcc_6_387,
	*fp_jcc_7_387, *fp_jcc_8<MODEF>_387): Eliminate call to
	!ix86_use_fcomi_compare, change ix86_fp_jump_nontrivial_p call
	to !TARGET_CMOVE, change predicate to ix86_fp_comparison_operator.
	(related splits): Change predicate to ix86_fp_comparison_operator.
	* config/i386/predicates.md: Use ix86_trivial_fp_comparison_operator
	instead of ix86_fp_comparison_codes.
	(ix86_trivial_fp_comparison_operator,
	ix86_fp_comparison_operator): New.
	* config/i386/i386-protos.h (ix86_fp_comparison_strategy): New.
	(ix86_expand_compare): Eliminate last two parameters.
	(ix86_fp_jump_nontrivial_p): Kill.
	* config/i386/i386.c (put_condition_code): Eliminate call to
	ix86_fp_comparison_codes and subsequent assertion.
	(ix86_fp_comparison_codes): Eliminate.
	(ix86_fp_swap_condition): New.
	(ix86_fp_comparison_arithmetics_cost, ix86_fp_comparison_fcomi_cost,
	ix86_fp_comparison_sahf_cost, ix86_use_fcomi_compare): Consolidate
	into ix86_fp_comparison_cost and ix86_fp_comparison_strategy.
	(ix86_prepare_fp_compare_args): Use ix86_fp_comparison_strategy
	and ix86_fp_swap_condition.
	(ix86_expand_fp_compare): Eliminate code for second jump/bypass jump.
	Use ix86_fp_comparison_strategy.
	(ix86_expand_compare): Likewise.  Eliminate last two arguments.
	(ix86_fp_jump_nontrivial_p): Eliminate.
	(ix86_expand_branch): Treat SFmode/DFmode/XFmode as simple.  Adjust
	call to ix86_expand_compare.
	(ix86_split_fp_branch, ix86_expand_setcc,
	ix86_expand_carry_flag_compare, ix86_expand_int_movcc,
	ix86_expand_fp_movcc): Eliminate code for second jump/bypass jump.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

	* config/arm/arm.c (arm_final_prescan_ins): Eliminate code
	related to jump_clobbers.
	* config/arm/arm.md (conds): Remove jump_clob case.
	(addsi3_cbranch, addsi3_cbranch_scratch, subsi3_cbranch, two
	splits): Change comparison_operator to arm_comparison_operator.
	(*arm_buneq, *arm_bltgt, *arm_buneq_reversed, *arm_bltgt_reversed):
	Eliminate.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

	* dojump.c (do_compare_rtx_and_jump): Try swapping the
	condition for floating point modes.
	* expmed.c (emit_store_flag_1): Move here a bigger part
	of emit_store_flag.
	(emit_store_flag): Try swapping the condition for floating point
	modes.
	* optabs.c (emit_cmp_and_jump_insns): Cope with constant op0 better.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (expand_expr_real_1): Just use do_store_flag.
	(do_store_flag): Drop support for TRUTH_NOT_EXPR.  Use
	emit_store_flag_force.
	* expmed.c (emit_store_flag_force): Copy here trick
	previously in expand_expr_real_1.  Try reversing the comparison.
	(emit_store_flag_1): Work if target is NULL.
	(emit_store_flag): Work if target is NULL, using the result mode
	from the comparison.  Use split_comparison, restructure final part
	to simplify conditionals.

2009-06-28  Paolo Bonzini  <bonzini@gnu.org>

	* builtins.c (expand_errno_check): Use do_compare_rtx_and_jump.
	* dojump.c (do_jump): Change handling of floating-point
	ops to use just do_compare_and_jump.
	(split_comparison): New.
	(do_compare_rtx_and_jump): Add here logic coming previously
	in do_jump, using split_comparison.

2009-06-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40489
	* config/ia64/ia64.c (ia64_reorg): Check NULL insn.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* tree-ssa-alias.c: Fix unintentional commit.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* passes.c (execute_one_pass): Fix unintentional commit.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* df-problems.c (df_set_seen, df_unset_seen): Delete.
	(df_rd_local_compute, df_md_local_compute): Inline them.

	(df_md_scratch): New.
	(df_md_alloc, df_md_free): Allocate/free it.
	(df_md_local_compute): Only include live registers in init.
	(df_md_transfer_function): Prune the in-set computed by
	the confluence function, and the gen-set too.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/26854
	* timevar.def: Remove TV_DF_RU, add TV_DF_MD.
	* df-problems.c (df_rd_add_problem): Fix comment.
	(df_md_set_bb_info, df_md_free_bb_info, df_md_alloc,
	df_md_simulate_artificial_defs_at_top,
	df_md_simulate_one_insn, df_md_bb_local_compute_process_def,
	df_md_bb_local_compute, df_md_local_compute, df_md_reset,
	df_md_transfer_function, df_md_init, df_md_confluence_0,
	df_md_confluence_n, df_md_free, df_md_top_dump, df_md_bottom_dump,
	problem_MD, df_md_add_problem): New.
	* df.h (DF_MD, DF_MD_BB_INFO, struct df_md_bb_info, df_md,
	df_md_get_bb_info): New.
	(DF_LAST_PROBLEM_PLUS1): Adjust.

	* Makefile.in (fwprop.o): Include domwalk.h.
	* fwprop.c: Include domwalk.h.
	(reg_defs, reg_defs_stack): New.
	(bitmap_only_bit_between): Remove.
	(process_defs): New.
	(process_uses): Use reg_defs and local_md instead of
	bitmap_only_bit_between and local_rd.
	(single_def_use_enter_block): New, from build_single_def_use_links.
	(single_def_use_leave_block): New.
	(build_single_def_use_links): Remove code moved to
	single_def_use_enter_block, invoke domwalk.
	(use_killed_between): Adjust comment.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* bitmap.h (bitmap_ior_and_into): New.
	* bitmap.c (bitmap_ior_and_into): New.

2009-06-27  Paolo Bonzini  <bonzini@gnu.org>

	* domwalk.h (struct dom_walk_data): Remove all callbacks except
	before_dom_children_before_stmts and after_dom_children_after_stmts.
	Rename the two remaining callbacks to just before_dom_children and
	after_dom_children. Remove other GIMPLE statement walking bits.
	* domwalk.c (walk_dominator_tree): Remove now unsupported features.
	* graphite.c: Do not include domwalk.h.
	* tree-into-ssa.c (interesting_blocks): New global.
	(struct mark_def_sites_global_data): Remove it and names_to_rename.
	(mark_def_sites, rewrite_stmt, rewrite_add_phi_arguments,
	rewrite_update_stmt, rewrite_update_phi_arguments): Simplify
	now that they're not domwalk callbacks.
	(rewrite_initialize_block): Rename to...
	(rewrite_enter_block): ... this, place after called functions.  Test
	interesting_blocks, call rewrite_stmt and rewrite_add_phi_arguments.
	(rewrite_finalize_block): Rename to...
	(rewrite_leave_block): ... this, place after called functions.
	(rewrite_update_init_block): Rename to...
	(rewrite_update_enter_block): ... this, place after called functions.
	Test interesting_blocks, call rewrite_update_stmt and
	rewrite_update_phi_arguments.
	(rewrite_update_fini_block): Rename to...
	(rewrite_leave_block): ... this, place after called functions.
	(rewrite_blocks): Remove last argument, simplify initialization of
	walk_data.
	(mark_def_sites_initialize_block): Rename to...
	(mark_def_sites_block): ... this, call mark_def_sites.
	(mark_def_sites_blocks): Remove argument, simplify initialization of
	walk_data.
	(rewrite_into_ssa): Adjust for interesting_blocks_being a global.
	(update_ssa): Likewise.
	* tree-ssa-dom.c (optimize_stmt): Simplify now that it's not a domwalk
	callback.
	(tree_ssa_dominator_optimize): Simplify initialization of walk_data.
	(dom_opt_initialize_block): Rename to...
	(dom_opt_enter_block): ... this, place after called functions.  Walk
	statements here, inline propagate_to_outgoing_edges.
	(dom_opt_finalize_block): Rename to...
	(dom_opt_leave_block): ... this, place after called functions.
	* tree-ssa-dse.c (dse_optimize_stmt): Simplify now that it's not a
	domwalk callback.
	(dse_enter_block, dse_record_phi): New.
	(dse_record_phis): Delete.
	(dse_finalize_block): Rename to...
	(dse_leave_block): ... this.
	(tree_ssa_dse): Simplify initialization of walk_data.
	* tree-ssa-loop-im.c (determine_invariantness, move_computations):
	Adjust initialization of walk_data.
	* tree-ssa-loop-unswitch.c: Do not include domwalk.h.
	* tree-ssa-loop-phiopt.c (get_non_trapping):
	Adjust initialization of walk_data.
	* tree-ssa-loop-threadedge.c: Do not include domwalk.h.
	* tree-ssa-uncprop.c (uncprop_into_successor_phis): Simplify now that
	it's not a domwalk callback.
	(uncprop_initialize_block): Rename to...
	(dse_enter_block): ... this, call uncprop_into_successor_phis.
	(dse_finalize_block): Rename to...
	(dse_leave_block): ... this.
	(tree_ssa_uncprop): Simplify initialization of walk_data.
	* Makefile.in: Adjust dependencies.

2009-06-27  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (casesi): Fix test for Thumb1.
	(thumb1_casesi_internal_pic): Likewise.
	(thumb1_casesi_dispatch): Likewise.

2009-06-26  Daniel Gutson  <dgutson@codesourcery.com>

	* config/arm/arm-cores.def: Added core cortex-m0.
	* config/arm/arm-tune.md: Regenerated.
	* doc/invoke.texi: Added entry for cpu ARM Cortex-M0.

2009-06-26  DJ Delorie  <dj@redhat.com>

	* config/mep/mep.opt (mfar): Remove -mfar as it doesn't do anything.

	* config/mep/mep.c (mep_bundle_insns): Account for the fact that
	the scheduler doesn't tag jump insns.

2009-06-26  H.J. Lu  <hongjiu.lu@intel.com>

	* c-decl.c (merge_decls): Re-indent.

2009-06-26  Janis Johnson  <janis187@us.ibm.com>

	PR c/39902
	* tree.c (real_zerop, real_onep, real_twop, real_minus_onep):
	Special-case decimal float constants.

2009-06-26  Richard Henderson  <rth@redhat.com>

	* function.h (struct function): Add cannot_be_copied_reason,
	and cannot_be_copied_set.
	* tree-inline.c (has_label_address_in_static_1): Rename from
	inline_forbidden_p_2; don't set inline_forbidden_reason here.
	(cannot_copy_type_1): Rename from inline_forbidden_p_op; likewise
	don't set inline_forbidden_reason.
	(copy_forbidden): New function, split out of inline_forbidden_p.
	(inline_forbidden_p_stmt): Don't check for nonlocal labels here.
	(inline_forbidden_p): Use copy_forbidden.
	(tree_versionable_function_p): Likewise.
	(inlinable_function_p): Merge into tree_inlinable_function_p.
	(tree_function_versioning): Remap cfun->nonlocal_goto_save_area.
	* ipa-cp.c (ipcp_versionable_function_p): New function.
	(ipcp_cloning_candidate_p): Use it.
	(ipcp_node_modifiable_p): Likewise.

2009-06-26  Olatunji Ruwase  <tjruwase@google.com>

	* builtins.c (expand_builtin_alloca): Handle builtin alloca
	that is marked not to be inlined. Remove flag_mudflap use.
	* tree-mudflap.c: Rename mf_xform_derefs to mf_xfrom_statements.
	(mf_xform_statements): Mark builtin alloca calls as un-inlineable.

2009-06-26  Steve Ellcey  <sje@cup.hp.com>

	PR bootstrap/40338
	* config/pa/t-pa-hpux10 (TARGET_LIBGCC2_CFLAGS): Add -frandom-seed.
	* config/pa/t-pa-hpux11 (TARGET_LIBGCC2_CFLAGS): Ditto.

2009-06-26  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw-tls.c (__mingwthr_key_dtor): Remove for none
	shared libgcc.
	(__mingwthr_remove_key_dtor): Likewise.

2009-06-26  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_ds_constraint): Simplify escape handling.

2009-06-26  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/40525
	* ifcvt.c (dead_or_predicable): If predicating MERGE_BB fails,
	try the non-cond_exec path also.

2009-06-25  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/40468
	* pa.c (branch_to_delay_slot_p, branch_needs_nop_p): New functions.
	(output_cbranch): Use new functions.
	(output_lbranch, output_bb, output_bvb, output_dbra, output_movb):
	Likewise.

2009-06-25  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres <ERES@il.ibm.com>

	* config/rs6000/rs6000.c (print_operand): Correct lossage message
	for %c error.  Add %x support to print VSX registers as a unified
	register set, instead of separate float and altivec registers.
	Switch to use VECTOR_MEM_ALTIVEC_P instead of TARGET_ALTIVEC for
	%y case, and add support for VSX pre-modify addresses.
	(output_toc): Add assert for CONST containing an integer constant
	in the PLUS case.
	(rs6000_adjust_cost): Add POWER7 support.
	(insn_must_be_first_in_group): Ditto.
	(insn_must_be_last_in_group): Ditto.
	(rs6000_emit_popcount): Ditto.
	(rs6000_vector_mode_supported_p): Ditto.

	* config/rs6000/rs6000-protos.h (rs6000_secondary_reload_class):
	Change some of the functions called by macros to being called
	through a pointer, so debug functions can be inserted if
	-mdebug=addr or -mdebug=cost.
	(rs6000_preferred_reload_class_ptr): Ditto.
	(rs6000_secondary_reload_class_ptr): Ditto.
	(rs6000_secondary_memory_needed_ptr): Ditto.
	(rs6000_cannot_change_mode_class_ptr): Ditto.
	(rs6000_secondary_reload_inner): Ditto.
	(rs6000_legitimize_reload_address): Ditto.
	(rs6000_legitimize_reload_address_ptr): Ditto.
	(rs6000_mode_dependent_address): Ditto.
	(rs6000_mode_dependent_address_ptr): Ditto.

	* config/rs6000/rs6000.c (reg_offset_addressing_ok_p): New
	function to return true if the mode allows reg + integer
	addresses.
	(virtual_stack_registers_memory_p): New function to return true if
	the address refers to a virtual stack register.
	(rs6000_legitimate_offset_address_p): Move code to say whether a
	mode supports reg+int addressing to reg_offset_addressing_ok_p and
	call it.
	(rs6000_legitimate_address_p): Add checks for modes that only can
	do reg+reg addressing.  Start adding VSX support.
	(rs6000_legitimize_reload_address): Ditto.
	(rs6000_legitimize_address): Ditto.
	(rs6000_debug_legitimate_address_p): New debug functions for
	-mdebug=addr and -mdebug=cost.
	(rs6000_debug_rtx_costs): Ditto.
	(rs6000_debug_address_costs): Ditto.
	(rs6000_debug_adjust_cost): Ditto.
	(rs6000_debug_legitimize_address): Ditto.
	(rs6000_legitimize_reload_address_ptr): Point to call normal
	function or debug function.  Make functions called via pointer
	static.
	(rs6000_mode_dependent_address_ptr): Ditto.
	(rs6000_secondary_reload_class_ptr): Ditto.
	(rs6000_hard_regno_mode_ok): Add preliminary VSX support.
	(rs6000_emit_move): Add -mdebug=addr support.  Change an abort
	into a friendlier error.
	(rs6000_init_builtins): Add initial VSX support.
	(rs6000_adjust_cost): Fix some spacing issues.

	* config/rs6000/rs6000.h (enum reg_class): Add VSX_REGS.
	(REG_CLASS_NAMES): Ditto.
	(REG_CLASS_CONTENTS): Ditto.
	(PREFERRED_RELOAD_CLASS): Move from a macro to calling through a
	pointer, to add -mdebug=addr support.
	(CANNOT_CHANGE_MODE_CLASS): Ditto.
	(SECONDARY_RELOAD_CLASS): Call through a pointer to add
	-mdebug=addr support.
	(LEGITIMIZE_RELOAD_ADDRESS): Ditto.
	(GO_IF_MODE_DEPENDENT_ADDRESS): Ditto.
	(enum rs6000_builtins): Add RS6000_BUILTIN_BSWAP_HI.

	* config/rs6000/rs6000.md (bswaphi*): Add support for swapping
	16-bit values.
	(bswapsi*): Set attribute types for load/store.  Add combiner
	patterns to eliminate zero extend on 64-bit.
	(bswapdi*): Add support for swapping 64-bit values.  Use ldbrx and
	stdbrx if the hardware supports those instructions.

2009-06-25  Ian Lance Taylor  <iant@google.com>

	* doc/invoke.texi (Option Summary): Mention -static-libstdc++.
	(Link Options): Document -static-libstdc++.

2009-06-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR target/38731
	* config/rs6000/rs6000.c (LOCAL_ALIGNMENT): Redefine to just use
	DATA_ALIGNMENT instead.

2009-06-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Disambiguate
	indirect references against the callused/escaped solutions.
	(call_may_clobber_ref_p_1): Likewise.

2009-06-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40493
	* tree-sra.c (sra_modify_expr): Correct BIT_FIELD_REF argument numbers.
	(enum unscalarized_data_handling): New type.
	(handle_unscalarized_data_in_subtree): Return what has been done.
	(load_assign_lhs_subreplacements): Handle left flushes differently.
	(sra_modify_assign): Use unscalarized_data_handling, simplified
	condition determining whether to remove the statement.

2009-06-25  Basile Starynkevitch  <basile@starynkevitch.net>

	* doc/plugins.texi (Building GCC plugins): Correct typo in Makefile
	excerpt - @ should be doubled for texinfo.

2009-06-24  Ian Lance Taylor  <iant@google.com>

	* config/arc/arc.c: Include "df.h".
	(arc_attribute_table): Make static.  Move higher in file.
	(arc_address_cost): Call SMALL_INT on INTVAL, not rtx.
	(output_shift): Initialize n later to avoid warning.
	* config/arm/arm.c (arm_attribute_table): Make static.  Move
	higher in file.
	* config/avr/avr.c (avr_attribute_table): Make static.  Move
	higher in file.
	(reg_class_tab): Change array type from int to enum reg_class.
	(avr_jump_mode): Change GET_MODE to GET_CODE when checking for
	LABEL_REF.
	(out_tsthi, ashlhi3_out): Don't use AS2 with "or" or "and".
	(lshrhi3_out): Likewise.
	(class_likely_spilled_p): Change return type to bool.
	(avr_rtx_costs): Use local code variable with enum type.
	* config/avr/avr.md (movmemhi): Use add_reg_note.
	(andhi3, andsi3): Don't use AS2 with "and".
	(iorhi3, iorsi3): Don't use AS2 with "or".
	* config/avr/avr-protos.h (class_likely_spilled_p): Update declaration.
	* config/crx/crx.c: Include "df.h".
	(crx_attribute_table): Make static.
	* config/m32r/m32r.c: Include "df.h".
	(m32r_attribute_table): Make static.  Move higher in file.
	(pop): Use add_reg_note.
	(block_move_call): Change 0 to LCT_NORMAL in function call.
	* config/m32r/m32r.md (movsi_insn): Remove unused local value.
	* config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Likewise.
	* config/m32r/m32r-protos.h (m32r_compute_function_type): Always
	declare, not just when TREE_CODE is defined.
	* config/m68hc11/m68hc11.c: Include "expr.h".
	(m68hc11_attribute_table): Make static.  Move higher in file.
	(m68hc11_small_indexed_indirect_p): Change 0 to VOIDmode in
	function call.
	(m68hc11_register_indirect_p): Likewise.
	(m68hc11_function_arg_padding): Change return type to enum
	direction.
	(emit_move_after_reload): Use add_reg_note.
	(m68hc11_emit_logical): Change code parameter to enum rtx_code.
	(m68hc11_split_logical): Likewise.
	(m68hc11_rtx_costs): Add local code_and outer_code variables with
	enum type.
	* config/m68hc11/predicates.md (reg_or_some_mem_operand): Change 0
	to VOIDmode in function call.
	* config/m68hc11/m68hc11-protos.h: Don't check TREE_CODE to see if
	tree is defined.
	(m68hc11_split_logical): Update declaration.
	(m68hc11_function_arg_padding): Update declaration.
	* config/mcore/mcore.c (regno_reg_class): Change form array of int
	to array of enum reg_class.
	(mcore_attribute_table): Make static.  Move higher in file.
	(mcore_rtx_costs): Add cast to enum type.
	* config/mcore/mcore.h (regno_reg_class): Update declaration.
	(GO_IF_LEGITIMATE_INDEX): Add cast to avoid warning.
	* config/sh/sh.c (sh_attribute_table): Make static.  Move higher
	in file.
	* config/sh/predicates.md (trapping_target_operand): Rename and to
	and_expr.
	* config/sparc/sparc.c (sparc_attribute_table): Make static.  Move
	higher in file.
	* config/spu/spu.c (spu_attribute_table): Make static.  Move
	higher in file.
	* config/v850/v850.c (v850_attribute_table): Make static.  Move
	higher in file.
	(v850_rtx_costs): Use local code with enum type.
	(expand_epilogue): Add cast.
	* config/v850/v850-c.c (ghs_pragma_section): Initialize repeat.

2009-06-23  Takashi YOSHII  <yoshii.takashi@renesas.com>

	PR target/40515
	* doc/invoke.texi (SH Options): Document -m2a, -m2a-single,
	-m2a-single-only and -m2a-nofpu.
	* config/sh/sh.opt: Document m2a generates FPU code.

2009-06-24  Anatoly Sokolov  <aesok@post.ru>

	* defaults.h (CAN_ELIMINATE): Provide default.
	* doc/tm.texi (CAN_ELIMINATE): Revise documentation.
	* config/alpha/alpha.h (CAN_ELIMINATE): Delete.
	* config/m32c/m32c.h (CAN_ELIMINATE): Delete.
	* config/spu/spu.h (CAN_ELIMINATE): Delete.
	* config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
	* config/moxie/moxie.h (CAN_ELIMINATE): Delete.
	* config/cris/cris.h (CAN_ELIMINATE): Delete.
	* config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
	* config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
	* config/mmix/mmix.h (CAN_ELIMINATE): Delete.

2009-06-24  DJ Delorie  <dj@redhat.com>

	* mep-ext-cop.cpu: Fix copyright notice.
	* mep-default: Fix copyright notice.
	* mep-core: Fix copyright notice.
	* mep: Fix copyright notice.
	* mep-ivc2: Fix copyright notice.
	* mep-c5: Fix copyright notice.

2009-06-24  Denis Chertykov  <chertykov@gmail.com>

	* doc/contrib.texi (Contributors):

2009-06-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	PR middle-end/40501
	* tree-ssa-math-opts.c (execute_optimize_bswap): Convert the bswap
	src and dst operands if necessary.

2009-06-23  DJ Delorie  <dj@redhat.com>

	Add MeP port.
	* config.gcc: Add mep support.
	* recog.c: Resurrect validate_replace_rtx_subexp().
	* recog.h: Likewise.
	* config/mep/: Add new port:
	* config/mep/constraints.md: New file.
	* config/mep/default.h: New file.
	* config/mep/intrinsics.h: New file.
	* config/mep/intrinsics.md: New file.
	* config/mep/ivc2-template.h: New file.
	* config/mep/mep-c5.cpu: New file.
	* config/mep/mep-core.cpu: New file.
	* config/mep/mep-default.cpu: New file.
	* config/mep/mep-ext-cop.cpu: New file.
	* config/mep/mep-intrin.h: New file.
	* config/mep/mep-ivc2.cpu: New file.
	* config/mep/mep-lib1.asm: New file.
	* config/mep/mep-lib2.c: New file.
	* config/mep/mep-pragma.c: New file.
	* config/mep/mep-protos.h: New file.
	* config/mep/mep-tramp.c: New file.
	* config/mep/mep.c: New file.
	* config/mep/mep.cpu: New file.
	* config/mep/mep.h: New file.
	* config/mep/mep.md: New file.
	* config/mep/mep.opt: New file.
	* config/mep/predicates.md: New file.
	* config/mep/t-mep: New file.

2009-06-23  Ian Lance Taylor  <iant@google.com>

	* configure.ac: Invoke AC_PROG_CXX.  Separate C specific warnings
	from loose_warn into c_loose_warn and from strict_warn into
	c_strict_warn.  Set and substitute warn_cxxflags.  Check for
	--enable-build-with-cxx.  Set and substitute
	ENABLE_BUILD_WITH_CXX.  Set and substitute HOST_LIBS.
	* Makefile.in (CXXFLAGS): New variable.
	(C_LOOSE_WARN, C_STRICT_WARN): New variables.
	(GCC_WARN_CFLAGS): Add $(C_LOOSE_WARN).  Add $(C_STRICT_WARN) if
	the default is the same as $(STRICT_WARN).
	(GCC_WARN_CXXFLAGS, WARN_CXXFLAGS): New variables.
	(CXX): New variable.
	(COMPILER): New value if ENABLE_BUILD_WITH_CXX.
	(COMPILER_FLAGS, LINKER, LINKER_FLAGS): Likewise.
	(ALL_COMPILERFLAGS, ALL_LINKERFLAGS): Likewise.
	(HOST_LIBS): New variable.
	(GCC_CFLAGS): Add $(C_LOOSE_WARN).
	(ALL_CXXFLAGS): New variable.
	(LIBS, BACKENDLIBS): Add $(HOST_LIBS).
	* doc/install.texi (Configuration): Document
	--enable-build-with-cxx, --with-stage1-ldflags,
	--with-stage1-libs, --with-boot-ldflags, --with-boot-libs.
	* configure: Rebuild.

2009-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_override_options): Fix braces and formatting
	from previous commit.

2009-06-23  Ian Lance Taylor  <iant@google.com>

	* Makefile.in ($(out_object_file)): Depend upon $(DF_H).

2009-06-23  Ian Lance Taylor  <iant@google.com>

	* reload.c (alternative_allows_const_pool_ref): Mark mem parameter
	with ATTRIBUTE_UNUSED.

2009-06-23  Michael Meissner  <meissner@linux.vnet.ibm.com>
	    Pat Haugen  <pthaugen@us.ibm.com>
	    Revital Eres  <eres@il.ibm.com>

	* config.in (HAVE_AS_POPCNTD): Add default definition.
	(HAVE_AS_LWSYNC): Ditto.

	* configure.ac (gcc_cv_as_powerpc_mfpgpr): Provide real binutils
	release number.
	(gcc_cv_as_powerpc_cmpb): Ditto.
	(gcc_cv_as_powerpc_dfp): Ditto.
	(gcc_cv_as_powerpc_vsx): Ditto.
	(gcc_cv_as_powerpc_popcntd): Add feature test for assembler
	supporting the popcntd/lwsync instructions.
	(gcc_cv_as_powerpc_lwsync): Ditto.
	* configure: Regenerate.

	* config/rs6000/aix53.h (ASM_CPU_SPEC): Add support for
	-mcpu=native and -mcpu=power7.
	* config/rs6000/aix61.h (ASM_CPU_SPEC): Ditto.

	* config/rs6000/linux64.opt (-mprofile-kernel): Move switch to be
	a variable instead of a mask to reduce the number of mask bits.
	* config/rs6000/sysv4.opt (-mbit-align): Ditto.
	(-mbit-word): Ditto.
	(-mregnames): Ditto.
	* config/rs6000/rs6000.opt (-mupdate): Ditto.
	(-mfused-madd): Ditto.

	* config/rs6000/rs6000.opt (-mpopcntd): New switch for non-VSX ISA
	2.06 instructions.
	(-mvsx): New switch for VSX instructions.
	(-misel): Move from a variable to a mask to allow it to be set by
	-mcpu=.

	* config/rs6000/rs6000-protos.h (rs6000_hard_regno_nregs): Change
	function declaration to an array declaration.
	(rs6000_hard_regno_nregs): New external array declaration.

	* config/rs6000/t-rs6000 (MD_INCLUDES): Define, add all of the .md
	files included by rs6000.md.

	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
	SET_PROFILE_KERNEL macro to reset the -mprofile-kernel switch.

	* config/rs6000/rs6000.c (rs6000_isel): Delete, -misel moved to be
	a target mask.
	(rs6000_debug_reg): New -mdebug= variables.
	(rs6000_debug_addr): Ditto.
	(rs6000_debug_cost): Ditto.
	(rs6000_pmode): New variable to hold Pmode.
	(rs6000_pointer_size): New variable to hold POINTER_SIZE.
	(rs6000_class_max_nregs): New array to hold CLASS_MAX_NREGS
	calculated at compiler start.
	(rs6000_hard_regno_nregs): Change function to an array which holds
	HARD_REGNO_NREGS calculated at compiler start.
	(rs6000_explicit_options): Delete isel field.
	(rs6000_vector_unit): New array to hold which vector unit
	supports arithmetic options for a given type.
	(rs6000_vector_mem): New array to hold which vector unit supports
	memory reference operations for a given type.
	(rs6000_vector_align): New array to given the alignment of each
	vector type.
	(power7_cost): New basic costs for power7.
	(SET_PROFILE_KERNEL): New macro for resetting -mprofile-kernel.
	(rs6000_hard_regno_nregs_internal): New function, moved from
	HARD_REGNO_NREGS, to calculate the number of registers each hard
	register takes for each type.
	(rs6000_debug_reg_print): New function for -mdebug=reg support.
	(rs6000_debug_vector_unit): New array, map rs6000_vector to string.
	(+rs6000_init_hard_regno_mode_ok): New function, move calculation
	of HARD_REGNO_NREGS, CLASS_MAX_NREGS, REGNO_REG_CLASS, and vector
	unit information here so it is calculated once at compiler startup
	time.
	(rs6000_override_options): Make -misel a target mask.  Add more
	power7 target masks.  Setup Pmode and POINTER_SIZE.  Add initial
	VSX support.  Add support for -mdebug=reg, -mdebug=addr, and
	-mdebug=cost.
	(POWERPC_MASKS): Add MASK_POPCNTD, MASK_VSX, and MASK_ISEL.
	(rs6000_handle_option): Move -misel from variable to target mask.
	(rs6000_builtin_mask_for_load): Add VSX support.
	(rs6000_conditional_register_usage): Ditto.
	(USE_ALTIVEC_FOR_ARG_P): Ditto.
	(function_arg_boundary): Ditto.
	(rs6000_expand_builtin): Ditto.
	(def_builtin): Make abort message a little friendlier.
	(rs6000_emit_int_cmove): Add support for 64-bit isel.

	* config/rs6000/rs6000.h (ASM_CPU_POWER7_SPEC): Depend on the
	assembler support the popcntd instruction instead of a vsx
	instruction to enable power7 support.
	(ASM_CPU_SPEC): Add support for -mcpu=native and -mcpu=power7.
	(EXTRA_SPECS): Add ASM_CPU_NATIVE_SPEC to allow passing the right
	option to the assembler if -mcpu=native.
	(ASM_CPU_NATIVE_SPEC): Ditto.
	(TARGET_POPCNTD): If assembler doesn't support popcntd, turn off
	ISA 2.06 features.
	(TARGET_LWSYNC_INSTRUCTION): Define whether it is safe to issue
	the lwsync instruction.
	(enum processor_type): Add PROCESSOR_POWER7.
	(rs6000_debug_reg): New -mdebug= options.
	(rs6000_debug_addr): Ditto.
	(rs6000_debug_cost): Ditto.
	(rs6000_isel): Delete.
	(enum rs6000_vector): New enum to say what vector unit we have.
	(VECTOR_UNIT_*): New macros to say which vector unit has
	arithmetic operations for a given type.
	(VECTOR_MEM_*): New macros to say which vector unit has memory
	operations for a given type.
	(TARGET_LDBRX): Whether the machine supports the ldbrx
	instruction.
	(TARGET_ISEL): Delete, -misel moved to be a mask.
	(TARGET_ISEL64): New macro for 64-bit isel support.
	(UNITS_PER_VSX_WORD): New macro.
	(POINTER_SIZE): Move to be an external variable, rather than
	calculating whether we are generating 32 ot 64-bit code.
	(Pmode): Ditto.
	(STACK_BOUNDARY): Add VSX support.
	(LOCAL_ALIGNMENT): Ditto.
	(SLOW_UNALIGNED_ACCESS): Ditto.
	(VSX_REGNO_P): New macro for VSX support.
	(VFLOAT_REGNO_P): Ditto.
	(VINT_REGNO_P): Ditto.
	(VLOGICAL_REGNO_P): Ditto.
	(VSX_VECTOR_MODE): Ditto.
	(VSX_SCALAR_MODE): Ditto.
	(VSX_MODE): Ditto.
	(VSX_MOVE_MODE): Ditto.
	(VSX_REG_CLASS_P): Ditto.
	(HARD_REGNO_NREGS): Instead of calling a function, use an array
	lookup.
	(UNITS_PER_SIMD_WORD): Add VSX support.
	(MODES_TIEABLE_P): Ditto.
	(STARTING_FRAME_OFFSET): Ditto.
	(STACK_DYNAMIC_OFFSET): Ditto.
	(EPILOGUE_USES): Ditto.
	(REGNO_REG_CLASS): Move to array lookup.
	(CLASS_MAX_NREGS): Ditto.
	(rs6000_vector_reg_class): Add declaration.
	(ADDITIONAL_REGISTER_NAMES): Add VSX names for the registers that
	overlap with the floating point and Altivec registers.

	* config/rs6000/e500.h (CHECK_E500_OPTIONS): Disallow -mvsx.

	* config/rs6000/driver-rs6000.c (asm_names): New static array to
	give the appropriate asm switches if -mcpu=native.
	(host_detect_local_cpu): Add support for "asm".
	(host_detect_local_cpu): Follow GNU code guidelines for name.

	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Move
	-mbit-word to a variable instead of being a target mask.

	* config/rs6000/sync.md (lwsync): If the assembler supports it,
	emit the lwsync instruction instead of emitting the instruction as
	an integer constant.

	* config/rs6000/spe.md (spe_fixuns_truncdfsi2): Rename from
	fixuns_trundfsi2, move expander into rs6000.md.

	* config/rs6000/rs6000.md (cpu): Add power7.
	(sel, *ptrsize): New mode attributes for 32/64-bit isel.
	(logical predicate patterns): Change the single instruction
	primitives that set CR0 to be fast_compare instead of compare.
	(norsi*): Ditto.
	(popcntwsi2): Add support for ISA 2.06 popcount instructions.
	(popcntddi2): Ditto.
	(popcount<mode>): Ditto.
	(floating multiply/add insns): Name the floating point
	multiply/add insns.
	(isel_signed_<mode>): Add support for -misel on 64-bit systems.
	(isel_unsigned_<mode>): Ditto.
	(fixuns_trundfsi2): Move expander here from spe.md.
	(smindi3): Define if we have -misel on 64-bit systems.
	(smaxdi3): Ditto.
	(umindi3): Ditto.
	(umaxdi3): Ditto.

2009-06-23  Anatoly Sokolov  <aesok@post.ru>

	* config.gcc (avr-*-rtems*, avr-*-*): Set extra_gcc_objs and
	extra_objs.
	* config/avr/avr.c (avr_current_device): New variable.
	(avr_arch_types, avr_mcu_types): Move to avr-deveces.c.
	(avr_arch, mcu_type_s): Move to avr.h.
	* config/avr/avr.h (base_arch_s). Add reserved2, arch_name and
	default_data_section_start fields.
	(avr_arch): Moved from avr.c.
	(mcu_type_s): Moved from avr.c. Add short_sp, data_section_start and
	library_name fields.
	(avr_current_device, avr_mcu_types, avr_arch_types,
	avr_device_to_arch, avr_device_to_data_start,
	avr_device_to_startfiles, avr_device_to_devicelib): Declare.
	(EXTRA_SPEC_FUNCTIONS): Define.
	(LINK_SPEC): Remove device name to '-m ...' and '-Tdata ...' linker
	options mapping. Use device_to_arch and device_to_data_start insted.
	(STARTFILE_SPEC): Use device_to_startfile instead of crt_binutils.
	(CRT_BINUTILS_SPECS, EXTRA_SPECS): Remove.
	* config/avr/t-avr (driver-avr.o, avr-devices.o): New rules.
	* config/avr/driver-avr.c: New file.
	* config/avr/avr-devices.c: New file.

2009-06-23  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (unshare_variable): Force initialized to
	be VAR_INIT_STATUS_INITIALIZED unless flag_var_tracking_uninit.
	(set_variable_part): Likewise.
	(struct variable_union_info): Remove pos_src field.
	(vui_vec, vui_allocated): New variables.
	(variable_union): Pass VAR_INIT_STATUS_UNKNOWN to unshare_variable
	unconditionally.  Avoid XCVECNEW/free for every sorting, for dst_l
	== 1 use a simpler sorting algorithm.  Compute pos field right
	away, don't fill in pos_src.  For dst_l == 2 avoid qsort.
	Avoid quadratic comparison if !flag_var_tracking_uninit.
	(variable_canonicalize): Pass VAR_INIT_STATUS_UNKNOWN to
	unshare_variable unconditionally.
	(dataflow_set_different_2): Removed.
	(dataflow_set_different): Don't traverse second hash table.
	(compute_bb_dataflow): Pass VAR_INIT_STATUS_UNINITIALIZED
	unconditionally to var_reg_set or var_mem_set.
	(emit_notes_in_bb): Likewise.
	(delete_variable_part): Pass VAR_INIT_STATUS_UNKNOWN to
	unshare_variable.
	(emit_note_insn_var_location): Don't set initialized to
	VAR_INIT_STATUS_INITIALIZED early.
	(vt_finalize): Free vui_vec if needed, clear vui_vec and
	vui_allocated.
	* rtl.c (rtx_equal_p): Don't implement on top of rtx_equal_p_cb.

	* tree-object-size.c (addr_object_size): Instead of checking
	for non-NULL TREE_CHAIN of the FIELD_DECL check that there
	are no FIELD_DECLs following it.

2009-06-23  Andreas Krebbel  <krebbel1@de.ibm.com>

	* tree-ssa-math-opts.c (find_bswap): Increase the search depth in
	order to match bswaps with signed source operands.

2009-06-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* sdbout.c (sdbout_one_type): Fix braces in switch.

2009-06-23  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (struct variable_info): Add is_global_var
	member.
	(var_anything, anything_tree, var_nothing, nothing_tree, var_readonly,
	readonly_tree, var_escaped, escaped_tree, var_nonlocal, nonlocal_tree,
	var_callused, callused_tree, var_storedanything, storedanything_tree,
	var_integer, integer_tree): Remove global variables.
	(new_var_info): Do not pass new id, append the new var to the
	global variable vector.
	(do_ds_constraint): Use is_global_var member of the variable-info.
	(new_scalar_tmp_constraint_exp): Adjust.
	(create_function_info_for): Likewise.
	(create_variable_info_for): Likewise.
	(find_what_var_points_to): Remove dead code.
	(init_base_vars): Simplify.
	(compute_points_to_sets): Adjust.

2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (try_combine): Dump information about the insns we're
	combining.

2009-06-22  Adam Nemet  <anemet@caviumnetworks.com>

	* combine.c (combine_simplify_rtx): Remove TRULY_NOOP_TRUNCATION
	check when calling force_to_mode on TRUNCATE's operand.

2009-06-22  Ian Lance Taylor  <iant@google.com>

	* config/rs6000/rs6000.opt: Move msched-epilog before msched-prolog.

2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>

	* config/arm/arm.md (prologue_use): Set length of fake insn to 0.

2009-06-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Link Options): -nodefaultlibs and -nostdlib
	override library linkage flags such as -static-libgcc or
	-shared-libgcc.

2009-06-22  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/m68k-devices.def: Add line for MCF5221x.

2009-06-22  Ian Lance Taylor  <iant@google.com>

	* config/linux.opt: Put mglibc ahead of muclibc.

	* c-decl.c (diagnose_mismatched_decls): Add -Wc++-compat warning
	for duplicate decls.

2009-06-22  Matthias Klose  <doko@ubuntu.com>

	* Makefile.in (install-plugin): Remove extra `/' after $(DESTDIR).

2009-06-22  Steven Bosscher  <steven@gcc.gnu.org>

	PR objc/28050
	* c-parser.c (c_parser_objc_message_args): Return error_mark_node
	instead of NULL if a parser error occurs.

2009-06-22  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* dwarf2out.c (dwarf2_debug_hooks): Initialize
	non-DWARF2_DEBUGGING_INFO version.

2009-06-22  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc (i[34567]86-*-mingw*, x86_64-*-mingw*): Add
	i386/t-fprules-softfp and soft-fp/t-softfp to tmake_file.

	* config/i386/mingw32.h (LIBGCC2_HAS_TF_MODE): Define.
	(LIBGCC2_TF_CEXT): Define.
	(TF_SIZE): Define.

2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/40463
	* config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Fix definition.

2009-06-22  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_override_options): Disable
	-mcaller-super-interworking and -mcallee-super-interworking.
	* doc/invoke.texi (ARM Options): Document this.

2009-06-22  Nathan Sidwell  <nathan@codesourcery.com>

	* config/arm/arm.c (arm_print_operand): Deal with HIGH.
	* config/arm/constraints.md (j): New constraint for movw operands.
	(N): Remove thumb2 meaning.
	* config/arm/arm.md (*arm_movw): Delete.
	(*arm_movsi_insn): Use j constraint for movw instead of N constraint.
	* config/arm/vfp.md (*arm_movsi_vfp, *thumb2_movsi_vfp): Likewise.
	* config/arm/thumb2.md (*thumb2_movsi_insn): Likewise.

2009-06-22  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40492
	* tree-sra.c (sra_modify_assign): Pass zero offsets to
	build_ref_for_offset.

2009-06-22  Shujing Zhao  <pearly.zhao@oracle.com>

	* alias.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P, CALL_P, NOTE_P and
	JUMP_TABLE_DATA_P predicates where applicable.
	* auto-inc-dec.c: Ditto.
	* builtins.c: Ditto.
	* caller-save.c: Ditto.
	* calls.c: Ditto.
	* cfgcleanup.c: Ditto.
	* cfglayout.c: Ditto.
	* cfgrtl.c: Ditto.
	* combine.c: Ditto.
	* combine-stack-adj.c: Ditto.
	* cse.c: Ditto.
	* cselib.c: Ditto.
	* dbxout.c: Ditto.
	* df-scan.c: Ditto.
	* dse.c: Ditto.
	* dwarf2asm.c: Ditto.
	* dwarf2out.c: Ditto.
	* emit-rtl.c: Ditto.
	* except.c: Ditto.
	* explow.c: Ditto.
	* expmed.c: Ditto.
	* expr.c: Ditto.
	* final.c: Ditto.
	* function.c: Ditto.
	* fwprop.c: Ditto.
	* gcse.c: Ditto.
	* genpreds.c: Ditto.
	* genrecog.c: Ditto.
	* ifcvt.c: Ditto.
	* ira-costs.c: Ditto.
	* ira-lives.c: Ditto.
	* jump.c: Ditto.
	* loop-iv.c: Ditto.
	* lower-subreg.c: Ditto.
	* modulo-sched.c: Ditto.
	* optabs.c: Ditto.
	* postreload.c: Ditto.
	* print-rtl.c: Ditto.
	* recog.c: Ditto.
	* reginfo.c: Ditto.
	* regmove.c: Ditto.
	* reload1.c: Ditto.
	* reload.c: Ditto.
	* reorg.c: Ditto.
	* rtlanal.c: Ditto.
	* rtl.c: Ditto.
	* sched-vis.c: Ditto.
	* sdbout.c: Ditto.
	* sel-sched-ir.c: Ditto.
	* simplify-rtx.c: Ditto.
	* targhooks.c: Ditto.
	* var-tracking.c: Ditto.
	* vmsdbgout.c: Ditto.

2009-06-22  Matthias Klose  <doko@ubuntu.com>

	* Makefile.in (install-plugin): Always use DESTDIR.

2009-06-22  Olivier Hainque  <hainque@adacore.com>

	* config/pa/pa.c (output_call): Don't optimize post call jumps
	into return address adjustments if the call may throw.

2009-06-21  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (thumb1_output_casesi): New function.
	* arm.h (CASE_VECTOR_PC_RELATIVE): Thumb-1 code is also relative if
	optimizing for size or PIC.
	(CASE_VECTOR_SHORTEN_MODE): Handle thumb-1.
	* arm.md (UNSPEC_THUMB1_CASESI): New constant.
	(casesi): Handle Thumb-1 when optimizing for size or PIC.
	(thumb1_casesi_internal_pic): New expand rule.
	(thumb1_casesi_dispatch): New pattern.
	* aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Use shortened vectors for
	thumb-1 mode.
	* coff.h (JUMP_TABLES_IN_TEXT_SECTION): Thumb-1 jump tables are now
	in the text seciton when PIC or optimizing for size.
	* elf.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
	* lib1funcs.asm ([__ARM_EABI__]): Add an attribute describing stack
	preservation properties of code.
	(__gnu_thumb1_case_sqi, __gnu_thumb1_case_uqi): New functions.
	(__gnu_thumb1_case_shi, __gnu_thumb1_case_uhi): New functions.
	(__gnu_thumb1_case_si): New function.
	* t-arm (LIB1ASMSRC): Define here.
	(LIB1ASMFUNCS): Add some common functions.
	* t-arm-elf (LIB1ASMSRC): Delete.
	(LIB1ASMFUNCS): Append to existing set.
	* t-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
	* t-strongarm-elf (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
	* t-symbian (LIB1ASMFUNCS): Likewise.
	* t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.
	* t-wince-pe (LIB1ASMSRC, LIB1ASMFUNCS): Likewise.

2009-06-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38729
	* tree-ssa-loop-niter.c (find_loop_niter_by_eval): Restrict
	to loops with a single exit if -fno-expensive-optimizations.

2009-06-21  Jakub Jelinek  <jakub@redhat.com>

	* var-tracking.c (struct shared_hash_def, shared_hash): New types.
	(dataflow_set): Change vars type from htab_t to shared_hash.
	(shared_hash_pool, empty_shared_hash): New variables.
	(vars_clear): Removed.
	(shared_hash_shared, shared_hash_htab, shared_hash_copy,
	shared_hash_find_slot_unshare, shared_hash_find_slot,
	shared_hash_find_slot_noinsert, shared_hash_find): New
	static inlines.
	(shared_hash_unshare, shared_hash_destroy): New functions.
	(unshare_variable): Unshare set->vars if shared, use
	shared_hash_htab.
	(vars_copy): Use htab_traverse_noresize instead of htab_traverse.
	(get_init_value, find_src_set_src, dump_dataflow_set,
	clobber_variable_part, emit_notes_for_differences): Use
	shared_hash_htab.
	(dataflow_set_init): Remove second argument, set vars to
	empty_shared_hash instead of creating a new htab.
	(dataflow_set_clear): Call shared_hash_destroy and set vars
	to empty_shared_hash instead of calling vars_clear.
	(dataflow_set_copy): Don't call vars_copy, instead just share
	the src htab with dst.
	(variable_union): Use shared_hash_*, use initially NO_INSERT
	lookup if set->vars is shared.  Don't keep slot cleared before
	calling unshare_variable.  Unshare set->vars if needed.
	Even ->refcount == 1 vars must be unshared if set->vars is shared
	and var needs to be modified.
	(variable_canonicalize): New function.
	(dataflow_set_union): If dst->vars is empty, just share src->vars
	with dst->vars and traverse with variable_canonicalize to canonicalize
	and unshare what is needed.
	(dataflow_set_different): If old_set and new_set use the same shared
	htab, they aren't different.  If number of htab elements is different,
	htabs are different.  Use shared_hash_*.
	(dataflow_set_destroy): Call shared_hash_destroy instead of
	htab_delete.
	(compute_bb_dataflow, emit_notes_in_bb, vt_emit_notes): Don't pass
	second argument to dataflow_set_init.
	(vt_initialize): Likewise.  Initialize shared_hash_pool and
	empty_shared_hash, move bb in/out initialization afterwards.
	Use variable_htab_free instead of NULL as changed_variables del hook.
	(variable_was_changed): Change type of second argument to pointer to
	dataflow_set.  When inserting var into changed_variables, bump
	refcount.  Unshare set->vars if set is shared htab and slot needs to
	be cleared.
	(set_variable_part): Use shared_hash_*, use initially NO_INSERT
	lookup if set->vars is shared.  Unshare set->vars if needed.
	Even ->refcount == 1 vars must be unshared if set->vars is shared
	and var needs to be modified.  Adjust variable_was_changed caller.
	(delete_variable_part): Use shared_hash_*.  Even ->refcount == 1
	vars must be unshared if set->vars is shared and var needs to be
	modified.  Adjust variable_was_changed caller.
	(emit_note_insn_var_location): Don't pool_free var.
	(emit_notes_for_differences_1): Initialize empty_var->refcount to 0
	instead of 1.
	(vt_finalize): Call htab_delete on empty_shared_hash->htab and
	free_alloc_pool on shared_hash_pool.

2009-06-20  Anthony Green  <green@moxielogic.com>

	* config/moxie/sfp-machine.h (__gcc_CMPtype, CMPtype): Define.
	* config/moxie/moxie.h (LOAD_EXTEND_OP): Define.

2009-06-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (find_func_aliases): For memset use
	a constraint from NULL if we memset to zero.
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Add builtins
	we explicitly handle that do not read from memory.
	(call_may_clobber_ref_p_1): Properly handle builtins that may
	set errno.

2009-06-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40495
	* tree-ssa-structalias.c (get_constraint_exp_for_temp): Remove.
	(new_scalar_tmp_constraint_exp): New function.
	(process_constraint): Do not create temporary decls.
	(process_all_all_constraints): Likewise.
	(handle_const_call): Likewise.
	(create_function_info_for): Do not set decl.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* config/rs6000/rs6000.c (rs6000_explicit_options): Make static.
	(rs6000_attribute_table): Make static; move before use.

2009-06-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (substitute_in_expr) <COMPONENT_REF>: Tweak and reformat.
	<tcc_vl_exp>: Call process_call_operands on the new CALL_EXPR.
	Propagate the TREE_READONLY flag without overwriting it.
	(substitute_placeholder_in_expr) <tcc_vl_exp>: Likewise.
	Propagate the TREE_READONLY flag onto the result.
	(process_call_operands): Move around.  Use correct constant value.

2009-06-19  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/40482
	* config/arm/arm.c (thumb_shiftable_const): Truncate val to 32 bits.
	* config/arm/arm.md: Likewise.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* tree-cfg.c (gimple_redirect_edge_and_branch): Change ERROR_MARK
	to GIMPLE_ERROR_MARK.

	* c-typeck.c (build_conditional_expr): Add op1_original_type and
	op2_original_type parameters.  Warn about using different enum types.
	* c-parser.c (c_parser_conditional_expression): Pass original
	types to build_conditional_expr.
	* c-tree.h (build_conditional_expr): Update declaration.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* config/i386/i386.c (ix86_function_specific_save): Test that
	fields match values, rather than testing the values are in a
	certain range.

2009-06-19  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Handle
	ADDR_EXPR pointers.
	(ptr_derefs_may_alias_p): Likewise.
	(ptr_deref_may_alias_ref_p_1): New function.
	(ptr_deref_may_alias_ref_p): Likewise.
	(ref_maybe_used_by_call_p_1): Handle builtins that are not
	covered by looking at the ESCAPED solution.
	(call_may_clobber_ref_p_1): Likewise.
	* tree-ssa-structalias.c (get_constraint_for_ptr_offset):
	Handle NULL_TREE offset.  Do not produce redundant constraints.
	(process_all_all_constraints): New helper function.
	(do_structure_copy): Use it.
	(handle_lhs_call): Likewise.
	(find_func_aliases): Handle some builtins with pointer arguments
	and/or return values explicitly.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* varasm.c (const_rtx_hash_1): Remove const qualifier from shift.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* rtl.h (SUBREG_PROMOTED_UNSIGNED_P): Add cast to int.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* ggc-page.c (ggc_pch_write_object): Initialize emptyBytes.
	* sdbout.c (sdb_debug_hooks): Initialize non-SDB_DEBUGGING_INFO
	version.

	* c-decl.c (finish_decl): If -Wc++-compat, warn about
	uninitialized const.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* dse.c (struct store_info): Rename bitmap field to bmap.  Change
	all uses.

	* c-decl.c (in_struct, struct_types): Remove.
	(struct c_binding): Add in_struct field.
	(c_binding_ptr): Define type, along with VEC.
	(struct c_struct_parse_info): Define.
	(struct_parse_info): New static variable.
	(bind): Initialize in_struct field.
	(start_struct): Remove enclosing_in_struct and
	enclosing_struct_types parameters.  Add
	enclosing_struct_parse_info parameter.  Change all callers.  Set
	struct_parse_info rather than in_struct and struct_types.
	(grokfield): If -Wc++-compat and there is a symbol binding for the
	field name, set the in_struct flag and push it on the
	struct_parse_info->fields vector.
	(warn_cxx_compat_finish_struct): New static function.
	(finish_struct): Remove enclosing_in_struct and
	enclosing_struct_types parameters.  Add
	enclosing_struct_parse_info parameter.  Change all callers.  Don't
	set C_TYPE_DEFINED_IN_STRUCT here.  Call
	warn_cxx_compat_finish_struct.  Free struct_parse_info and set to
	parameter.  Only push on struct_types if warn_cxx_compat.
	(finish_enum): Only push on struct_types if warn_cxx_compat.
	(declspecs_add_type): Add loc parameter.  Change all callers.
	Change all error calls to error_at.  Pass loc, not input_location,
	to pedwarn calls.  Warn if -Wc++-compat and a typedef name is
	defined in a struct.  If -Wc++-compat and parsing a struct, record
	that a typedef name was used.
	* c-parser.c (c_parser_declspecs): Get location to pass to
	declspecs_add_type.
	(c_parser_struct_or_union_specifier): Update calls to start_struct
	and finish_struct.
	* c-tree.h (struct c_struct_parse_info): Declare.
	(finish_struct, start_struct): Update declarations.
	(declspecs_add_type): Update declaration.

2009-06-19  Ian Lance Taylor  <iant@google.com>

	* c-decl.c (grokdeclarator): If -Wc++-compat, warn about a global
	variable with an anonymous type.

2009-06-19  Uros Bizjak  <ubizjak@gmail.com>

	* see.c: Remove for real.

2009-06-19  Uros Bizjak  <ubizjak@gmail.com>

	* optabs.h (enum optab_index): Add new OTI_significand.
	(significand_optab): Define corresponding macro.
	* optabs.c (init_optabs): Initialize significand_optab.
	* genopinit.c (optabs): Implement significand_optab using
	significand?f2 patterns.
	* builtins.c (expand_builtin_mathfn): Handle
	BUILT_IN_SIGNIFICAND{,F,L}.
	(expand_builtin): Expand BUILT_IN_SIGNIFICAND{,F,L} using
	expand_builtin_mathfn if flag_unsafe_math_optimizations is set.

	* config/i386/i386.md (significandxf2, significand<mode>2): New
	expanders to implement significandf, significand and significandl
	built-ins as inline x87 intrinsics.

2009-06-18  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_override_options): Remove setting value of
	PARAM_INLINE_CALL_COST.

2009-06-18  Richard Henderson  <rth@redhat.com>

	PR 40488
	* tree-pass.h (TDF_ASMNAME): New.
	* tree-dump.c (dump_options): Add asmname.
	* doc/invoke.texi: Document it.

	* tree-pretty-print.c (maybe_dump_asm_name): Merge into...
	(dump_decl_name): ...here.
	(dump_function_name): New flags arg; mind TDF_ASMNAME.
	(dump_generic_node): Update dump_function_name calls.
	(print_call_name): New flags arg; update all dump calls.
	* diagnostic.h (print_call_name): Update.
	* gimple-pretty-print.c (dump_gimple_call): Update.

2009-06-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40470
	* config/i386/i386.h (CLASS_LIKELY_SPILLED_P): Add SSE_FIRST_REG.

2009-06-18  Diego Novillo  <dnovillo@google.com>

	* doc/plugins.texi: Document plugin_is_GPL_compatible.
	* plugin.c (str_license): Declare.
	(try_init_one_plugin): Assert that the symbol
	'plugin_is_GPL_compatible' exists.

2009-06-18  Sergei Dyshel  <sergeid@il.ibm.com>

	* see.c: Remove.
	* Makefile.in (OBJS-common): Remove see.o.
	(see.o): Remove.
	* common.opt (fsee): Mark as preserved for backward compatibility.
	* opts.c (common_handle_option): Add OPT_fsee to the backward
	compatibility section.
	* passes.c (init_optimization_passes, pass_see): Remove pass.
	* timevar.def (TV_SEE): Remove.
	* tree-pass.h (pass_see): Remove declaration.
	* doc/invoke.texi (-fsee): Remove documentation.

2009-06-18  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c: Include statistics.h
	(sra_stats): New variable.
	(sra_initialize): Clear sra_stats.
	(create_access_replacement): Increment sra_stats.replacements.
	(get_access_replacement): Do not return twice.
	(analyze_all_variable_accesses): Increment statistics counter by the
	number of scalarized aggregates.
	(generate_subtree_copies): Increment sra_stats.subtree_copies.
	(sra_modify_expr): Increment sra_stats.exprs.
	(load_assign_lhs_subreplacements): Increment sra_stats.subreplacements.
	(sra_modify_assign): Increment sra_stats.exprs,
	sra_stats.separate_lhs_rhs_handling and sra_stats.deleted.
	(perform_intra_sra): Update statistics counters.
	* Makefile.in (tree-sra.o): Add statistics.h to dependencies.

2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>

	* config/arm/arm.c (TARGET_SCALAR_MODE_SUPPORTED_P): Redefine.
	(arm_scalar_mode_supported_p): New function.

2009-06-18  Paul Brook  <paul@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* config/arm/sfp-machine.h (_FP_NANFRAC_H, _FP_NANSIGN_H): Define.
	(__extendhfsf2, __truncsfhf2): Define.
	* config/arm/fp16.c: New file.
	* config/arm/t-bpabi (LIB2FUNCS_STATIC_EXTRA): Add fp16.c.
	* config/arm/t-symbian (LIB2FUNCS_STATIC_EXTRA):  Add fp16.c.

2009-06-18  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/extend.texi (Half-Precision): New section.
	* doc/invoke.texi (Option Summary): List -mfp16-format.
	(ARM Options): List neon-fp16 as -mfpu value.  Document -mfp16-format.
	* config/arm/arm.opt (mfp16-format=): New.
	* config/arm/arm.c: Include intl.h.
	(TARGET_INVALID_PARAMETER_TYPE): Redefine.
	(TARGET_INVALID_RETURN_TYPE): Redefine.
	(TARGET_PROMOTED_TYPE): Redefine.
	(TARGET_CONVERT_TO_TYPE): Redefine.
	(arm_fp16_format): Define.
	(all_fpus): Add entry for neon-fp16.
	(fp_model_for_fpu): Likewise.
	(struct fp16_format): Declare.
	(all_fp16_formats): Define.
	(arm_init_libfuncs): Add entries for HFmode conversions and arithmetic
	functions.
	(arm_override_options): Set arm_fp16_format. Call sorry for fp16
	and no ldrh.
	(arm_legitimate_index_p): Treat HFmode like HImode.
	(thumb1_legitimate_address_p): Make it recognize HFmode constants.
	(coproc_secondary_reload_class): Special-case HFmode.
	(arm_print_operand): Add 'z' specifier for vld1.16/vst1.16.
	(arm_hard_regno_mode_ok): Allow HFmode values in VFP registers.
	(arm_init_fp16_builtins): New.
	(arm_init_builtins): Call it.
	(arm_invalid_parameter_type): New.
	(arm_invalid_return_type): New.
	(arm_promoted_type): New.
	(arm_convert_to_type).
	(arm_file_start): Deal with neon-fp16 as fpu_name.  Emit tag for fp16
	format.
	(arm_emit_fp16_const): New function.
	(arm_mangle_type): Mangle __fp16 as "Dh".
	* config/arm/arm.h (TARGET_VFPD32): Make it know about
	FPUTYPE_NEON_FP16.
	(TARGET_NEON_FP16): New.
	(TARGET_NEON): Make it know about FPUTYPE_NEON_FP16.
	(enum fputype): Add FPUTYPE_NEON_FP16.
	(enum arm_fp16_format_type): Declare.
	(arm_fp16_format): Declare.
	(LARGEST_EXPONENT_IS_NORMAL): Define.
	* config/arm/arm-protos.h (arm_emit_fp16_const): Declare.
	* config/arm/arm-modes.def (HFmode): Define.
	* config/arm/vfp.md: (*movhf_vfp): New.
	(extendhfsf2): New.
	(truncsfhf2): New.
	* config/arm/arm.md: (fpu): Add neon_fp16.
	(floatsihf2, floatdihf2): New.
	(fix_trunchfsi2, fix_trunchfdi2): New.
	(truncdfhf2): New.
	(extendhfdf2): New.
	(movhf): New.
	(*arm32_movhf): New.
	(*thumb1_movhf): New.
	(consttable_2): Add check for HFmode constants.
	(consttable_4): Handle HFmode constants.

2009-06-18  Uros Bizjak  <ubizjak@gmail.com>

	* convert.c (convert_to_integer): Convert (int)logb() into ilogb().

2009-06-17  Olivier Hainque  <hainque@adacore.com>

	* collect2.c (main): Use CONST_CAST2 to perform char ** to
	const char ** conversion in AIX specific section.

2009-06-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_special_builtin_type): Remove
	UINT64_FTYPE_PINT.  Add UINT64_FTYPE_PUNSIGNED.
	(bdesc_special_args): Updated.
	(ix86_init_mmx_sse_builtins): Likewise.
	(ix86_expand_special_args_builtin): Likewise.

2009-06-17  Richard Henderson  <rth@redhat.com>

	* tree-pretty-print.c (maybe_dump_asm_name): New.
	(dump_decl_name): Use it.
	(PRINT_FUNCTION_NAME): Merge into...
	(dump_function_name): ... here.  Use maybe_dump_asm_name.

2009-06-17  Cary Coutant  <ccoutant@google.com>

	* dbxout.c (dbxout_source_line): Add is_stmt parameter.
	Change caller.
	* debug.c (struct gcc_debug_hooks): Change placeholder for
	source_line hook.
	(debug_nothing_int_charstar_int): Replaced by...
	(debug_nothing_int_charstar_int_bool): ...this.
	* debug.h (struct gcc_debug_hooks): Add is_stmt parameter to
	source_line prototype.
	(debug_nothing_int_charstar_int): Replaced by...
	(debug_nothing_int_charstar_int_bool): ...this.
	* defaults.h (SUPPORTS_DISCRIMINATOR): New constant.
	* dwarf2out.c (dwarf2out_source_line): Add is_stmt parameter.
	Output is_stmt operand when necessary.
	* final.c (final_scan_insn): Pass is_stmt to source_line debug hook.
	(notice_source_line): Add is_stmt parameter.
	* sdbout.c (sdbout_source_line): Add is_stmt parameter.
	* vmsdbgout.c (vmsdbgout_source_line): Add is_stmt parameter.
	Change callers.
	* xcoffout.c (xcoffout_source_line): Add is_stmt parameter.
	* xcoffout.h (xcoffout_source_line): Add is_stmt parameter.

2009-06-17  Ian Lance Taylor  <iant@google.com>

	* expr.c (struct move_by_pieces_d): Rename from move_by_pieces.
	Change all uses.
	(struct store_by_pieces_d): Rename from store_by_pieces.  Change
	call uses.

2009-06-17  Adam Nemet  <anemet@caviumnetworks.com>

	* tree.h (STRIP_NOPS, STRIP_SIGN_NOPS,
	STRIP_USELESS_TYPE_CONVERSION): Use tree_strip_nop_conversions,
	tree_strip_sign_nop_conversions and
	tree_ssa_strip_useless_type_conversions rather than stripping
	the operations here.
	(tree_strip_nop_conversions, tree_strip_sign_nop_conversions):
	Declare them.
	* gimple.h (tree_ssa_strip_useless_type_conversions): Declare it.
	* tree-ssa.c (tree_ssa_strip_useless_type_conversions): New function.
	* tree.c (tree_nop_conversion, tree_sign_nop_conversion,
	tree_strip_nop_conversions, tree_strip_sign_nop_conversions): New
	functions.

2009-06-17  Michael Eager  <eager@eagercon.com>

	* config/rs6000/constraints.md (register_constraint "d"): New.
	* config/rs6000/dfp.md (movsd_store, extendsddd2, extendsdtd2,
	truncddsd2, *negdd2_fpr, *absdd2_fpr, *nabsdd2_fpr,
	*movdd_hardfloat32, *movdd_hardfloat64_mfpgpr, *movdd_hardfloat64,
	*negtd2_fp, *abstd2_fpr, *nabstd2_fpr, *movtd_internal, extendddtd2,
	trunctddd2, adddd3, addtd3, subdd3, subtd3, muldd3, multd3, divdd3,
	divtd3, *cmpdd_internal1, *cmptd_internal1, floatditd2, ftruncdd2,
	fixdddi2, ftrunctd2, fixtddi2): replace 'f' constraint with 'd'
	* config/rs6000/ppu_intrinsics.h (__mffs, __mtfsf, __mtfsfi, __fabs,
	__fnabs, __fmadd, __fmsub, __fnmadd, __fnmsub, __fsel, __frsqrte,
	__fsqrt, __fmul, __fmuls, __frsp, __fcfid, __fctid, __fctidz, __fctiw,
	__fctiwz): Same.
	* config/rs6000/rs6000.md (*extendsfdf2_fpr, *truncdfsf2_fpr,
	*fseldfsf4, *negdf2_fpr, *absdf2_fpr, *nabsdf2_fpr, *adddf3_fpr,
	*subdf3_fpr, *muldf3_fpr, *divdf3_fpr, recipdf3, fred, sqrtdf2,
	*fseldfdf4, *fselsfdf4, *floatsidf2_internal, *floatunssidf2_internal,
	*fix_truncdfsi2_internal, fix_truncdfsi2_internal_gfxopt,
	fix_truncdfsi2_mfpgpr, fctiwz, btruncdf2, ceildf2, floordf2, rounddf2,
	stfiwx, floatdidf2, fix_truncdfdi2, floatdisf2_internal1,
	*movdf_hardfloat32, *movdf_hardfloat64_mfpgpr, *movdf_hardfloat64,
	*movtf_internal, *extenddftf2_internal, trunctfdf2_internal1,
	trunctfdf2_internal2, trunctfsf2_fprs, fix_trunc_helper,
	*fix_trunctfsi2_internal, negtf2_internal, *movdi_internal32,
	*movdi_mfpgpr, *movdi_internal64, *movdf_update1, *movdf_update2,
	*cmpdf_internal1, *cmptf_internal1, *cmptf_internal2): Same.
	* doc/md.texi: Describe PowerPC 'd' constraint, update 'f' constraint.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* profile.c (total_num_never_executed): Don't define.
	(compute_branch_probabilities): Don't count or print
	num_never_executed.
	(init_branch_prob): Don't set total_num_never_executed.
	(end_branch_prob): Don't print total_num_never_executed.

2009-06-17  David Daney  <ddaney@caviumnetworks.com>

	* jump.c (cleanup_barriers): Handle case of no insns before a barrier.

2009-06-17  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/dfp.md (nabsdd2_fpr): Correct mode.
	(nabstd2_fpr): Same.

2009-06-17  Steve Ellcey  <sje@cup.hp.com>

	* expr.c (expand_assignment): Change complex type check.

2009-06-17  Basile Starynkevitch  <basile@starynkevitch.net>

	* doc/plugins.texi (Building GCC plugins): Added new section.

2009-06-17  Ian Lance Taylor  <iant@google.com>

	* c-pch.c (get_ident): Don't set size of templ array.
	(pch_init): Don't set size of partial_pch array.

	* c-typeck.c (digest_init): If -Wc++-compat, warn about using a
	string constant to intialize an array whose size is the length of
	the string.

2009-06-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40389
	* tree-ssa-structalias.c (handle_rhs_call): Restrict NRV case
	to addressable types.
	* gimple.c (walk_stmt_load_store_addr_ops): Likewise.

2009-06-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40460
	* tree-chrec.h (build_polynomial_chrec): If we cannot determine
	if there is no evolution of left in the loop bail out.
	* tree-chrec.c (chrec_fold_multiply_poly_poly): CSE one
	chrec_fold_multiply.

2009-06-16  J"orn Rennecke  <joern.rennecke@arc.com>
	    Janis Johnson  <janis187@us.ibm.com>

	PR target/39254
	* config/rs6000/rs6000.c (rs6000_emit_move): Don't emit a USE
	for the symbol ref of a constant that is the source of a move
	- nor for any other not-obvious-label-ref constants.

2009-06-16  Olatunji Ruwase  <tjruwase@google.com>

	* plugin.c (position_pass): Skip newly inserted pass during list
	traversal to avoid repeated insertion.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* vec.h (VEC_stack_alloc): Define different version if
	GATHER_STATISTICS is defined, to accept and ignore MEM_STAT.
	(DEF_VEC_ALLOC_FUNC_P_STACK): Remove MEM_STAT_DECL.
	(DEF_VEC_ALLOC_FUNC_O_STACK): Likewise.
	(DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.

2009-06-16  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (extra_headers): Add ia32intrin.h for x86.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_BSRSI,
	IX86_BUILTIN_BSRDI.  IX86_BUILTIN_RDPMC, IX86_BUILTIN_RDTSC.
	IX86_BUILTIN_RDTSCP.  IX86_BUILTIN_ROLQI, IX86_BUILTIN_ROLHI,
	IX86_BUILTIN_RORQI and IX86_BUILTIN_RORHI.
	(ix86_special_builtin_type): Add UINT64_FTYPE_VOID,
	UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
	INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
	(bdesc_special_args): Add __builtin_ia32_rdtsc and
	__builtin_ia32_rdtscp.
	(bdesc_args): Add __builtin_ia32_bsrsi, __builtin_ia32_bsrdi,
	__builtin_ia32_rolqi, __builtin_ia32_rolhi, __builtin_ia32_rorqi
	and __builtin_ia32_rorhi.
	(ix86_init_mmx_sse_builtins): Handle UINT64_FTYPE_VOID,
	UINT64_FTYPE_PINT, INT_FTYPE_INT, UINT64_FTYPE_INT,
	INT64_FTYPE_INT64, UINT16_FTYPE_UINT16_INT and UINT8_FTYPE_UINT8_INT.
	(ix86_expand_args_builtin): Likewise.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/i386.md (UNSPECV_RDTSCP): New.
	(UNSPECV_RDTSC): Likewise.
	(UNSPECV_RDPMC): Likewise.
	(*bsr): Renamed to ...
	(bsr): This
	(*bsr_rex64): Renamed to ...
	(bsr_rex64): This.
	(rdpmc): New.
	(*rdpmc): Likewise.
	(*rdpmc_rex64): Likewise.
	(rdtsc): Likewise.
	(*rdtsc): Likewise.
	(*rdtsc_rex64): Likewise.
	(rdtscp): Likewise.
	(*rdtscp): Likewise.
	(*rdtscp_rex64): Likewise.

	* config/i386/ia32intrin.h: New.

	* config/i386/x86intrin.h: Include <ia32intrin.h>.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* ira-build.c (copy_info_to_removed_store_destinations):
	Initialize parent_a.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* c-decl.c (grokdeclarator): Change size_varies to bool.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* sel-sched.c: Make forward declarations of move_op_hooks and
	fur_hooks explicitly extern.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* df-problems.c (df_byte_lr_alloc): Don't set problem_data to itself.
	* vec.c (vec_gc_o_reserve_1): Don't set alloc to itself.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* resource.c (mark_referenced_resources): Change
	include_delayed_effects parameter to bool.  Change all callers.
	(mark_end_of_function_resources): Likewise.
	* reorg.c (insn_references_resource_p): Likewise.
	(insn_sets_resource_p): Likewise.
	* resource.h (mark_referenced_resources): Update declaration.
	(mark_end_of_function_resources): Update declaration.

2009-06-16  David Edelsohn  <edelsohn@gnu.org>

	* config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove -lstdc++.

2009-06-16  David Edelsohn  <edelsohn@gnu.org>

	* doc/install.texi (*-*-aix): Update explanation of XLC bootstrap.
	GCC can bootstrap on AIX with GNU Binutils 2.20.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* Makefile.in (tree-vect-stmts.o): Depend upon $(TOPLEV_H).

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* toplev.h (floor_log2): If GCC_VERSION >= 3004, declare as static
	inline, not extern inline.
	(exact_log2): Likewise.
	* toplev.c (floor_log2): Only define if GCC_VERSION < 3004. Don't
	test CLZ_HWI.
	(exact_log2): Likewise, but don't test CTZ_HWI.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* bitmap.c (bitmap_clear): Don't declare as inline.
	* gimple.c (gimplify_assign): Likewise.
	* tree-ssa-sccvn.c (vn_nary_op_compute_hash): Likewise.
	* haifa-sched.c (insn_cost): Don't declare with HAIFA_INLINE.
	(sched_scan_info): Remove duplicate definition.

2009-06-16  Ian Lance Taylor  <iant@google.com>

	* c-common.c (skip_evaluation): Don't define.
	(c_inhibit_evaluation_warnings): Define global variable.
	(overflow_warning): Check c_inhibit_evaluation_warnings rather
	than skip_evaluation.
	(convert_and_check, warn_for_div_by_zero): Likewise.
	* c-common.h (skip_evaluation): Don't declare.
	(c_inhibit_evaluation_warnings): Declare.
	* c-parser.c (c_parser_typeof_specifier): Set
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	(c_parser_conditional_expression): Likewise.
	(c_parser_binary_expression): Likewise.
	(c_parser_sizeof_expression): Likewise.
	(c_parser_alignof_expression): Likewise.
	* c-typeck.c (build_indirect_ref): Check
	c_inhibit_evaluation_warnings rather than skip_evaluation.
	(build_conditional_expr, build_binary_op): Likewise.

2009-06-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (is_escape_site): Remove.
	* tree-ssa-alias.h (enum escape_type): Remove.
	(is_escape_site): Likewise.
	* tree-ssa-structalias.c (find_func_aliases): Handle escapes
	via casts and asms without deferring to is_escape_site.

2009-06-16  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40446
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: Don't
	use gen_lowpart if op0 has complex mode.

2009-06-16  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_ds_constraint): Stores in global
	variables add them to ESCAPED.
	(find_func_aliases): Do not make all indirectly stored values escaped.

2009-06-16  Rafael Avila de Espindola  <espindola@google.com>

	* config/i386/winnt.c (i386_pe_encode_section_info): Update call to
	make_decl_one_only.

2009-06-16  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40432
	* tree-sra.c (sra_modify_assign): When creating VIEW_CONVERT_EXPR,
	check whether we need to force gimple register operand.

2009-06-16  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40413
	* tree-sra.c (load_assign_lhs_subreplacements): Pass offset to
	build_ref_for_offset.
	(propagate_subacesses_accross_link): Fix a typo in a comment.

2009-06-16  Ira Rosen  <irar@il.ibm.com>

	* tree-parloops.c (loop_parallel_p): Call vect_is_simple_reduction
	with additional parameter.
	* tree-vectorizer.h (enum vect_def_type): Add new value
	vect_nested_cycle.
	(enum vect_relevant): Add comments.
	(vect_is_simple_reduction): Add new argument.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Add comments.
	Detect nested cycles.
	(vect_is_simple_reduction): Update documentation, add an argument to
	distinguish inner-loop reduction from nested cycle, detect nested
	cycles, fix printings and indentation, don't swap operands in case
	of nested cycle.
	(get_initial_def_for_reduction): Handle subtraction.
	(vect_create_epilog_for_reduction): Add new argument to specify
	reduction variable.
	(vect_finalize_reduction): Handle subtraction, fix comments.
	(vectorizable_reduction): Handle nested cycles. In case of nested
	cycle keep track of the reduction variable position. Call
	vect_is_simple_reduction with additional parameter. Use original
	statement code in reduction epilogue for nested cycle. Call
	vect_create_epilog_for_reduction with additional parameter.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Assert
	inner-loop vectorization.
	(vect_recog_widen_sum_pattern): Likewise.
	* tree-vect-stmts.c (process_use): Distinguish between nested cycles
	and reductions.
	(vect_mark_stmts_to_be_vectorized): Likewise.
	(vect_get_vec_def_for_operand): Handle nested cycles.

2009-06-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Debugging Options): Fix option index entries
	for -fdump-statistics, -frandom-seed add entries for
	-fdump-tree-original, -fdump-tree-optimized, -frandom-seed.
	(FRV Options): Fix entries for -mTLS, -mtls.
	(HPPA Options): Fix entries for -mgnu-ld, -mhp-ld.
	(i386 and x86-64 Options): Fix entry for -mno-red-zone.
	(M68hc1x Options): Fix @itemx for -mnominmax.
	(MCore Options): Fix entry for -mno-lsim.
	(MMIX Options): Fix entry for -mabi=mmixware.
	(PDP-11 Options): Fix entry for -mbcopy-builtin.

2009-06-16  Basile Starynkevitch  <basile@starynkevitch.net>

	* doc/plugins.texi (Interacting with the GCC Garbage Collector):
	Mention the plugin mode of gengtype.
	* doc/gty.texi (Source Files Containing Type Information): Likewise.
	* gengtype.c: Updated copyright.
	(plugin_files, nb_plugin_files) Added new static variables.
	(measure_input_list) Care about plugin_files.
	(write_rtx_next): Added early return in plugin mode.
	(create_file): Updated copyright year in generated file. Added
	asserts.
	(oprintf): Added early return if NULL outf.
	(get_output_file_with_visibility): Care of plugin_files.
	(get_output_file_name): May return null.
	(write_local): Added early return.
	(put_mangled_filename): Ditto.
	(finish_root_table): Added check for base_files.
	(write_roots): Care about null when plugins.
	(main): Added plugin mode.

2009-06-15  Ian Lance Taylor  <iant@google.com>

	* df-problems.c (df_simulate_one_insn_forwards): Fix braces in switch.
	* gcov.c (read_count_file): Add braces around variables declared
	before label.

	* c.opt (Wjump-misses-init): New warning.
	* c-opts.c (c_common_handle_option): Set warn_jump_misses_init for
	-Wall and -Wc++-compat if not already set.
	(c_common_post_options): Clear warn_jump_misses_init if it was not
	set.
	* c-decl.c (struct c_binding): Change type field to a union with
	new label field.  Make it the first field in the struct.  Update
	references to type to use u.type instead.
	(struct c_spot_bindings): Define.
	(struct c_goto_bindings): Define.
	(c_goto_bindings_p): Define, along with VECs.
	(struct c_label_vars): Define.
	(struct c_scope): Add has_label_bindings field.
	(bind_label, set_spot_bindings): New static functions.
	(decl_jump_unsafe, update_spot_bindings): New static functions.
	(update_label_decls): New static function.
	(pop_scope): Call update_label_decls.  Don't call c_end_vm_scope.
	Update binding u.label field to shadowed field.
	(c_binding_start_stmt_expr): New function.
	(c_binding_end_stmt_expr): New function.
	(pushdecl): Don't call c_begin_vm_scope.
	(make_label): Add defining and p_label_vars parameters.  Change
	all callers.
	(lookup_label): Correct test for whether a label has not yet been
	defined.  Call bind_label rather than bind.
	(warn_about_goto): New static function.
	(lookup_label_for_goto): New function.
	(declare_label): Call bind_label rather than bind.
	(check_earlier_gotos): New static function.
	(define_label): Don't give errors about jumping into statement
	expressions or scopes of variably modified types.  Call
	set_spot_bindings and check_earlier_gotos.  Call bind_label
	instead of bind.  Don't set label_context_stack_se or
	label_context_stack_vm.
	(c_get_switch_bindings): New function.
	(c_release_switch_bindings): New function.
	(c_check_switch_jump_warnings): New function.
	(start_function): Don't set label_context_stack_se or
	label_context_stack_vm.
	(finish_function): Likewise.
	* c-typeck.c (label_context_stack_se): Don't define.
	(label_context_stack_vm): Don't define.
	(c_finish_goto_label): Call lookup_label_for_goto rather than
	lookup_label.  Don't give errors about jumping into a statement
	expression or the scope of a variably modified type.  Don't set
	label_context_stack_se or label_context_stack_vm.
	(struct c_switch): Remove blocked_stmt_expr and blocked_vm
	fields.  Add bindings field.
	(c_start_case): Don't set deleted fields.  Set bindings field.
	(do_case): Rework order of tests.  Don't check blocked_stmt_expr
	or blocked_vm.  Call c_check_switch_jump_warnings.
	(c_finish_case): Don't test blocked_stmt_expr field.  Call
	c_release_switch_bindings.
	(c_begin_stmt_expr): Don't increment blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_start_stmt_expr.
	(c_finish_stmt_expr): Don't decrement blocked_stmt_expr in
	c_switch_stack.  Don't walk label_context_stack_se labels.  Don't
	set label_context_stack_se.  Call c_bindings_end_stmt_expr.
	(c_begin_vm_scope, c_end_vm_scope): Don't define.
	* c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR): Don't define.
	(C_DECL_UNDEFINABLE_STMT_EXPR): Don't define.
	(C_DECL_UNJUMPABLE_VM): Don't define.
	(C_DECL_UNDEFINABLE_VM): Don't define.
	(struct c_label_list): Don't define.
	(struct c_label_context_se): Don't define.
	(struct c_label_context_vm): Don't define.
	(struct c_spot_bindings): Declare.
	(c_bindings_start_stmt_expr): Declare.
	(c_bindings_end_stmt_expr): Declare.
	(lookup_label_for_goto): Declare.
	(c_get_switch_bindings, c_release_switch_bindings): Declare.
	(c_check_switch_jump_warnings): Declare.
	(label_context_stack_se, label_context_stack_vm): Don't declare.
	(c_finish_goto_label): Update declaration.
	(c_begin_vm_scope, c_end_vm_scope): Don't declare.
	* doc/invoke.texi (Option Summary): Mention -Wjump-misses-init.
	(Warning Options): Document -Wjump-misses-init.

2009-06-15  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Fix a pasto in the last
	change.

2009-06-15  Rafael Avila de Espindola  <espindola@google.com>

	* cgraph.c (cgraph_make_node_local): Use DECL_COMDAT_GROUP.

2009-06-15  Aldy Hernandez  <aldyh@redhat.com>

	* except.c (init_eh): Use BUILTINS_LOCATION when calling build_decl.

2009-06-15  Aldy Hernandez  <aldyh@redhat.com>

	* tree-eh.c (lower_try_finally_switch): Initialize tf_loc.

2009-06-15  Rafael Avila de Espindola  <espindola@google.com>

	* cgraphunit.c (cgraph_function_versioning,save_inline_function_body):
	Use DECL_COMDAT_GROUP instead of DECL_ONE_ONLY.
	* cgraph.c (cgraph_create_virtual_clone): Use DECL_COMDAT_GROUP.
	* config/i386/i386.c (ix86_file_end): Compute DECL_COMDAT_GROUP.
	* dwarf2asm.c (dw2_force_const_mem): Update call to
	make_decl_one_only.
	* langhooks-def.h (lhd_comdat_group, LANG_HOOKS_COMDAT_GROUP): Remove.
	(LANG_HOOKS_DECLS): Remove LANG_HOOKS_COMDAT_GROUP.
	* langhooks.c (lhd_comdat_group): Remove.
	* langhooks.h (lang_hooks_for_decls): Remove comdat_group.
	* tree.h (DECL_COMDAT_GROUP): New.
	(DECL_ONE_ONLY): Use DECL_COMDAT_GROUP.
	(tree_decl_with_vis): Add comdat_group. Remove one_only.
	(make_decl_one_only): Change signature.
	* varasm.c (get_emutls_init_templ_addr, emutls_decl): Update call to
	make_decl_one_only.
	(make_decl_one_only): Change signature.
	(default_elf_asm_named_section): Use DECL_COMDAT_GROUP.

2009-06-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40439
	* tree.c (widest_int_cst_value): Fix bootstrap on 32bit HWI hosts.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* tree-ssa-math-opts.c: Remove extra divide.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("bswap<mode>2"): Only available on z900.

2009-06-14  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* passes.c: Add bswap pass.
	* tree-pass.h: Add pass_optimize_bswap declaration.
	* tree-ssa-math-opts.c: Include diagnostics.h for print_gimple_stmt.
	Include rtl.h, expr.h and optabs.h for optab_handler check.
	(struct symbolic_number, pass_optimize_bswap): New definition.
	(do_shift_rotate, verify_symbolic_number_p): New functions.
	(find_bswap_1, find_bswap, execute_optimize_bswap): New functions.
	(gate_optimize_bswap): New function.
	* tree.c (widest_int_cst_value): New function.
	* tree.h (widest_int_cst_value): Prototype added.

2009-06-14  Steven Bosscher  <steven@gcc.gnu.org>

	* cfgcleanup.c (old_insns_match_p): Remove code to substitute
	REG_EQUAL/REG_EQUIV notes.

2009-06-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40389
	* gimple.c (walk_stmt_load_store_addr_ops): The LHS of a call
	has its address taken if NRV was applied and it is addressable.
	* tree-ssa-structalias.c (get_constraint_for_address_of): New
	function split out from ...
	(get_constraint_for_1): ... here.
	(handle_rhs_call): Use it to mark the return slot escaped if
	it is addressable and NRV was applied.

2009-06-13  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/rs6000-protos.h (altivec_resolve_overloaded_builtin):
	Change first argument type to location_t.
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin): Same.
	Do not set input_location.
	Use loc instead of input_location throughout.

2009-06-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40421
	* tree-predcom.c (should_unroll_loop_p): Remove.
	(tree_predictive_commoning_loop): Use can_unroll_loop_p.

2009-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Add location argument.

2009-06-13  Aldy Hernandez  <aldyh@redhat.com>

	* config/alpha/alpha.c (alpha_build_builtin_va_list): Pass location to
	build_decl.
	* config/s390/s390.c (s390_build_builtin_va_list): Same.
	(s390_gimplify_va_arg): Pass location to create_artificial_label.
	* config/spu/spu-protos.h: Add location to
	spu_resolve_overloaded_builtin.
	* config/spu/spu.c (spu_build_builtin_va_list): Pass location to
	spu_build_builtin_va_list.
	* config/spu/spu-c.c (spu_resolve_overloaded_builtin): Add location
	argument.  Pass location to build_function_call_vec.
	* config/sh/sh.c (sh_build_builtin_va_list): Pass location to
	build_decl.
	(emit_fpu_switch): Same.
	(sh_gimplify_va_arg_expr): Pass location to create_artificial_label.
	* config/xtensa/xtensa.c (xtensa_build_builtin_va_list): Pass location
	to build_decl and create_artificial_label.
	(xtensa_gimplify_va_arg_expr): Same.
	* config/stormy16/stormy16.c (xstormy16_build_builtin_va_list): Same.
	(xstormy16_gimplify_va_arg_expr): Same.
	* config/iq2000/iq2000.c (iq2000_expand_prologue): Same.
	* config/arm/arm.c (arm_build_builtin_va_list): Same.
	* config/mips/mips.c (mips_build_builtin_va_list): Same.
	(mips16_build_function_stub): Same.
	(mips16_build_call_stub): Same.

2009-06-13  Richard Earnshaw  <rearnsha@arm.com>

	PR target/40327
	* arm/constraints.md (Pa, Pb): New constraints.
	* arm/arm.md (thumb1_addsi3): Support more complex additions.  Add a
	split pattern to deal with them.

2009-06-13  Joerg Sonnenberger  <joerg@britannica.bec.de>

	* doc/invoke.texi: Add missing option -Wp,OPTION in list,
	fix index entry for -Xpreprocessor.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Add location argument to build_decl call.
	* config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Same.
	(rs6000_init_builtins): Same.
	(spe_init_builtins): Same.
	(rs6000_gimplify_va_arg): Add location argument to
	create_artificial_label call.

2009-06-12  Steven Bosscher  <steven@gcc.gnu.org>

	* timevar.def (TV_COMBINE_STACK_ADJUST): New timevar.
	* combine-stack-adj.c (pass_stack_adjustments): Use it.
	* Makefile.in: Fix GGC dependency for gcse.o.

2009-06-12  Aldy Hernandez  <aldyh@redhat.com>

	* tree-pretty-print.c (dump_generic_node): Dump column numbers.
	* gimple-pretty-print.c (dump_gimple_stmt): Same.
	* gimplify.c (gimplify_modify_expr): Set location for GIMPLE_ASSIGNs
	created.
	* c-parser.c (c_parser_binary_expression): Use current column while
	building binary operations.
	* common.opt (fshow-column): Enable by default.
	* tree-vrp.c (check_array_ref): Use warning_at.
	(check_array_bounds): Use location from call back if expr has no
	location.
	* tree.h: Add location argument to maybe_fold_*.
	* tree-ssa-ccp.c (ccp_fold): Pass location to maybe_fold_*.
	(maybe_fold_offset_to_array_ref): Add location argument and use it.
	(maybe_fold_offset_to_component_ref): Same.
	(maybe_fold_offset_to_reference): Same.
	(maybe_fold_offset_to_address): Same.
	(maybe_fold_stmt_indirect): Same.
	(maybe_fold_stmt_addition): Same.
	(fold_stmt_r): Pass location to maybe_fold_*.
	(fold_gimple_assign): Same.
	* c-tree.h: Add location argument to finish_decl,
	default_function_array_conversion, store_init_value.
	* c-decl.c (define_label): Use error_at.
	(c_make_fname_decl): Pass location to finish_decl.
	(finish_decl): New location argument.
	(build_compound_literal): Pass location to store_init_value.
	(grokdeclarator): Pass location to finish_decl.
	(grokfield): Same.
	* c-typeck.c (array_to_pointer_conversion): New location argument.
	(function_to_pointer_conversion): Same.
	(default_function_array_conversion): Same.
	(parser_build_unary_op): Pass location to overflow_warning.
	(parser_build_binary_op): Same.  Use warning_at.
	(build_unary_op): Pass location to array_to_pointer_conversion.
	(build_c_cast): Pass location to digest_init.
	(build_modify_expr): New location argument.
	(convert_for_assignment): Same.
	(store_init_value): Same.
	(digest_init): Same.
	(output_init_element): Pass location to digest_init and
	array_to_pointer_conversion.
	(c_finish_return): Pass location to convert_for_assignment.
	* gimplify.c (gimplify_conversion): Pass location to
	maybe_fold_offset_to_address.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Pass location
	to maybe_fold_stmt_addition.
	* c-omp.c (c_finish_omp_atomic): Pass new location to
	build_modify_expr.
	(c_finish_omp_for): Same.
	* c-common.c (overflow_warning): New argument.
	* c-common.h: New argument to build_modify_expr, overflow_warning.
	* c-parser.c (c_parser_declaration_or_fndef): Pass location to
	finish_decl.
	(c_parser_initializer): Pass location to
	default_function_array_conversion.
	(c_parser_initelt): Same.
	(c_parser_initval): Same.
	(c_parser_asm_operands): Same.
	(c_parser_expr_no_commas): Same.  Pass location to build_modify_expr.
	(c_parser_conditional_expression): Same.
	(c_parser_binary_expression): Add location info to stack.  Use it.
	(c_parser_unary_expression): Pass location to
	default_function_array_conversion, parser_build_unary_op,
	build_indirect_ref, c_parser_postfix_expression_after_primary.
	(c_parser_postfix_expression_after_primary): New location argument.
	Use it.
	(c_parser_expression_conv): Pass location to
	default_function_array_conversion.
	(c_parser_expr_list): Same.
	(c_parser_omp_atomic): Same.
	(c_parser_omp_for_loop): Same.
	* c-tree.h: (struct c_declarator): Add comment to id_loc.
	(build_array_declarator): New argument.
	* c-decl.c (build_array_declarator): Add location argument.
	(grokdeclarator): Set id_loc for cdk_array.
	* c-parser.c (c_parser_direct_declarator_inner): Pass location to
	build_array_declarator.
	* tree.c (build_omp_clause): Add location argument.
	* tree.h (OMP_CLAUSE_HAS_LOCATION): New macro.
	(OMP_CLAUSE_LOCATION): New macro.
	(struct tree_omp_clause): Add location field.
	(build_omp_clause): Add argument.
	* testsuite/gcc.dg/gomp/for-1.c: Fix column.
	* cp/pt.c (tsubst_omp_for_iterator): Pass location to
	build_omp_clause.
	* cp/parser.c (cp_parser_omp_var_list_no_open): Same.
	(cp_parser_omp_clause_collapse): Same.
	(cp_parser_omp_clause_default): Same.
	(cp_parser_omp_clause_if): Same.
	(cp_parser_omp_clause_nowait): Same.
	(cp_parser_omp_clause_num_threads): Same.
	(cp_parser_omp_clause_ordered): Same.
	(cp_parser_omp_clause_schedule): Same.
	(cp_parser_omp_clause_untied): Same.
	(cp_parser_omp_for_loop): Same.
	(cp_parser_omp_parallel): Pass location to c_split_parallel_clauses.
	* c-tree.h (c_start_case): Add location argument.
	(c_process_expr_stmt): Same.
	(c_finish_goto_*): Same.
	* tree-parloops.c (initialize_reductions): Pass location to
	build_omp_clause.
	(create_parallel_loop): Same.
	* fortran/trans-openmp.c (gfc_trans_omp_variable_list): Same.
	(gfc_trans_omp_reduction_list): Same.
	(gfc_trans_omp_clauses): Same.
	(gfc_trans_omp_do): Same.
	* c-typeck.c (c_finish_goto_label): Same.
	(c_finish_goto_ptr): New location argument.
	(c_start_case): Same.
	(emit_side_effect_warnings): Same.
	(c_process_expr_stmt): Same.
	(c_finish_stmt_expr): Same.
	(c_finish_omp_clauses): Use error_at instead of error.
	* gimplify.c (gimplify_adjust_omp_clauses_1): Pass location to
	build_omp_clause.
	* c-omp.c (c_split_parallel_clauses): New location argument.
	* tree-nested.c (convert_nonlocal_reference_stmt): Pass location
	to build_omp_clause.
	(convert_local_reference_stmt): Same.
	(convert_gimple_call): Same.
	* c-common.h (c_split_parallel_clauses): New argument.
	* c-parser.c (c_parser_statement_after_labels): Pass location to
	c_finish_goto_label.
	(c_parser_switch_statement): Pass location to c_start_case.
	(c_parser_for_statement): Pass location to c_finish_expr_stmt,
	and c_process_expr_stmt.
	(c_parser_omp_variable_list): Add location argument.
	(c_parser_omp_clause_collapse): Pass location to build_omp_clause.
	(c_parser_omp_clause_default): Same.
	(c_parser_omp_clause_if): Same.
	(c_parser_omp_clause_num_threads): Same.
	(-c_parser_omp_clause_ordered): Same.
	(c_parser_omp_clause_reduction): Pass location to
	c_parser_omp_variable_list.
	(c_parser_omp_clause_schedule): Pass location to build_omp_clause.
	(c_parser_omp_clause_untied): Same.
	(c_parser_omp_for_loop): Pass location to c_process_expr_stmt.
	(c_parser_omp_parallel): Pass location to c_split_parallel_clauses.

	* c-tree.h (check_for_loop_decls, undeclared_variable,
	build_component_ref, build_array_ref, build_external_ref,
	c_expr_sizeof_expr, c_expr_sizeof_type, parser_build_unary_op,
	build_conditional_expr, build_compound_expr, c_cast_expr,
	build_c_cast, build_asm_expr, c_end_compound_stmt, c_finish_stmt_expr,
	c_finish_return, c_finish_omp_parallel, c_finish_omp_task): New
	argument.
	* c-semantics.c (build_stmt): Same.
	(build_case_label): Same.
	* c-decl.c (c_finish_incomplete_decl): Pass location on down.
	(undeclared_variable): New argument.
	(make_label): Same.
	(lookup_label): Pass location on down.
	(define_label): Same.
	(finish_decl): Same.
	(build_compound_literal): Same.
	(finish_struct): Same.
	(finish_function): Do not set location here.
	(check_for_loop_decls): New argument.
	* tree.c (save_expr): Set location.
	(build_empty_stmt): New argument.
	* tree.h (build_empty_stmt): New argument to build_empty_stmt.
	(CAN_HAVE_LOCATION_P): Make sure we have a non empty node.
	* builtins.c (gimplify_va_arg_expr): Use locations.
	(expand_builtin_sync_operation): Same.
	* c-typeck.c (build_component_ref): New argument.
	(build_array_ref): Same.
	(build_external_ref): Same.
	(c_expr_sizeof_expr): Same.
	(c_expr_sizeof_type): Same.
	(parser_build_unary_op): Same.
	(build_conditional_expr): Same.
	(build_compound_expr): Pass location on down.
	(build_compound_expr): New argument.
	(build_c_cast): Same.
	(c_cast_expr): Same.
	(build_asm_expr): Same.
	(c_finish_return): Same.
	(c_process_expr_stmt): Pass location on down.
	(c_finish_stmt_expr): New argument.
	(push_clenaup): Same.
	(c_finish_omp_parallel): Same.
	(c_finish_omp_task): Same.
	* gimplify.c (gimplify_call_expr): Pass location on down.
	* c-omp.c (c_finish_omp_master): New argument.
	(c_finish_omp_critical): Same.
	(c_finish_omp_ordered): Same.
	(c_finish_omp_barrier): Same.
	(-c_finish_omp_taskwait): Same.
	(c_finish_omp_atomic): Same.
	(c_finish_omp_flush): Same.
	* tree-inline.c (copy_tree_body_r): Pass location on down.
	(inline_forbidden_p): Remove use of input_location.
	* c-gimplify.c (c_build_bind_expr): New argument.
	* c-common.c (c_common_truthvalue_conversion): Pass location on down.
	(c_sizeof_or_alignof_type): New argument.
	(c_alignof_expr): Same.
	(build_va_arg): Same.
	(c_add_case_label): Same.
	* c-common.h (c_sizeof_or_alignof_type, c_alignof_expr,
	c_sizeof, c_alignof, build_va_arg, build_stmt, build_case_label,
	c_build_bind_expr, objc_build_selector_expr, objc_build_throw_stmt,
	c_finish_omp_master, c_finish_omp_critical, c_finish_omp_ordered,
	c_finish_omp_barrier, c_finish_omp_atomic, c_finish_omp_flush,
	c_finish_omp_taskwait, c_finish_omp_for, c_split_parallel_clauses):
	New argument.
	* stub-objc.c (objc_build_selector_expr): Same.
	(objc_build_throw_stmt): Same.
	* c-parser.c (c_parser_declaration_or_fndef): Pass location on down.
	(c_parser_initelt): Same.
	(c_parser_compound_statement): Same.
	(c_parser_compound_statement_nostart): Same.
	(c_parser_label): Same.
	(c_parser_statement_after_labels): Same.
	(c_parser_if_body): Same.
	(c_parser_else_body): Same.
	(c_parser_if_statement): Same.
	(c_parser_switch_statement): Same.
	(c_parser_while_statement): Same.
	(c_parser_do_statement): Same.
	(c_parser_for_statement): Same.
	(c_parser_asm_statement): Same.
	(c_parser_conditional_expression): Same.
	(c_parser_binary_expression): Same.
	(c_parser_cast_expression): Same.
	(c_parser_unary_expression): Same.
	(c_parser_sizeof_expression): Same.
	(c_parser_alignof_expression): Same.
	(c_parser_postfix_expression): Same.
	(c_parser_expression): Same.
	(c_parser_objc_receiver): Same.
	(c_parser_omp_variable_list): Same.
	(c_parser_omp_structured_block): Same.
	(c_parser_omp_atomic): New argument.
	(c_parser_omp_barrier): Same.
	(c_parser_omp_critical): Same.
	(c_parser_omp_flush): Pass location on down.
	(c_parser_omp_for_loop): New argument.
	(c_parser_omp_for): Same.
	(c_parser_omp_master): Same.
	(c_parser_omp_ordered): Same.
	(c_parser_omp_sections_scope): Same.
	(c_parser_omp_sections): Same.
	(c_parser_omp_parallel): Same.
	(c_parser_omp_single): Same.
	(c_parser_omp_task): Same.
	(c_parser_omp_taskwait): Pass location on down.
	(c_parser_omp_construct): Same.
	(c_parser_omp_threadprivate): Same.
	* dwarf2asm.c, targhooks.c, optabs.c, tree.c, tree.h, target.h,
	builtins.c, omp-low.c, cgraphunit.c, tree-call-cdce.c,
	tree-ssa-alias.c, gimple-low.c, c-tree.h, expr.c, tree-parloops.c,
	c-decl.c, tree-eh.c, langhooks.c, function.c, stor-layout.c,
	c-typeck.c, gimplify.c, c-pragma.c, expmed.c, except.c, coverage.c,
	emit-rtl.c, cfgexpand.c, tree-mudflap.c, varasm.c, tree-nested.c,
	rtl.h, tree-inline.c, tree-profile.c, c-common.c, c-common.h,
	tree-switch-conversion.c, tree-cfg.c, ipa-struct-reorg.c, c-parser.c,
	config/i386/i386.c, stmt.c:
	Add location argument to the following function definitions and/or
	function calls: build_decl, objcp_start_struct, objcp_finish_struct,
	start_struct, finish_struct, PUSH_FIELD, create_artificial_label,
	cp_make_fname_decl, pushtag, implicitly_declare, c_make_fname_decl,
	build_compound_literal, parser_xref_tag, resolve_overloaded_builtin,
	do_case, c_finish_bc_stmt, build_compound_literal,
	build_function_call.
	* c-decl.c (build_compound_literal): Add location argument.
	Make all diagnostic calls use location.
	(start_struct): Same.
	(finish_struct): Same.
	(start_enum): Same.
	(build_enumerator): Same.
	(start_function): Same.
	(grokdeclarator): Make all diagnostic calls use location.
	(store_parm_decls_oldstyle): Same.
	* c-typeck.c (build_function_call): Add location argument.
	Make all diagnostic calls use location.
	(do_case): Same.
	(c_finish_bc_stmt): Same.
	* tree-nested.c (get_trampoline_type): Add argument.
	Pass location to build_decl.
	(lookup_tramp_for_decl): Pass location to get_trampoline_type.
	* rtl.h (RTL_LOCATION): New.
	* c-common.c (c_add_case_label): Add location argument.
	Make all diagnostic calls use location.
	* c-common.h: Add location argument to make_fname_decl, do_case,
	c_add_case_label, build_function_call, resolve_overloaded_builtin.
	* c-parser.c (c_parser_enum_specifier): Rename ident_loc to enum_loc.
	Set it appropriately for every case.  Pass enum_loc to start_enum
	call.  Pass value_loc first to build_enumerator.  Pass enum_loc to
	parser_xref_tag.
	(c_parser_struct_or_union_specifier): Save location.  Use it for
	start_struct, finish_struct, and parser_xref_tag.

2009-06-12  Ian Lance Taylor  <iant@google.com>

	* fold-const.c (fold_unary): Rename local variable and to and_expr.

	* c-opts.c (c_common_handle_option): For -Wc++-compat set
	cpp_opts->warn_cxx_operator_names.

2009-06-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR tree-opt/38865
	* tree-ssa-sccvn.c (visit_reference_op_load): If vn_reference_lookup
	is returns NULL and OP is a VCE, look through the VCE.

2009-06-12  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/40430
	* collect2.c (main): Use CONST_CAST2 in code inside #if
	LINK_ELIMINATE_DUPLICATE_LDIRECTORIES.

2009-06-12  Joey Ye  <joey.ye@intel.com>

	PR middle-end/39146
	* cfgexpand.c (get_decl_align_unit): Update
	max_used_stack_slot_alignment with align instead of
	stack_alignment_needed.

	* function.c (assign_stack_local_1): Update
	max_used_stack_slot_alignment with alignment_in_bits instead
	of stack_alignment_needed.
	(locate_and_pad_parm): Don't update max_used_stack_slot_alignment
	here.

2009-06-12  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (last_var_location_insn): New variable.
	(dwarf2out_end_epilogue): Clear last_var_location_insn.
	(dwarf2out_var_location): Don't record anything after last real
	insn.  Only change labels if there were any real instructions
	in between last note and this one, or if changed sections.

2009-06-11  Richard Henderson  <rth@redhat.com>

	* alpha.c (alpha_expand_prologue): Add a REF_CFA_REGISTER
	note when storing the frame pointer in a register.
	(FRP): Don't redefine to nothing for epilogue.
	(alpha_expand_epilogue): Mark register and sp restores.
	(unicosmk_gen_dsib): Don't mark weird frame pointer adjust.

	* config/alpha/alpha.c (alpha_emit_setcc): Fix test for
	when gen_lowpart is needed.

2009-06-11  Richard Henderson  <rth@redhat.com>

	* dwarf2out.c (def_cfa_1): Likewise for DW_CFA_cfa_offset.

	* dwarf2out.c (need_data_align_sf_opcode): New.
	(div_data_align): Move earlier.
	(def_cfa_1, reg_save): Use it.

2009-06-11  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (OPTION_MASK_ISA_CRC32_SET): New.
	(OPTION_MASK_ISA_CRC32_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mcrc32.
	(ix86_target_string): Add -mcrc32.
	(bdesc_args): Enable crc32 builtins with OPTION_MASK_ISA_CRC32.

	* config/i386/i386.h (TARGET_CRC32): New.

	* config/i386/i386.md (sse4_2_crc32<mode>): Also check TARGET_CRC32.
	(sse4_2_crc32di): Likewise.

	* config/i386/i386.opt (mcrc32): New.

	* doc/invoke.texi: Document -mcrc32.

2009-06-11  Richard Henderson  <rth@redhat.com>

	* common.opt (gdwarf-): Accept a version number.
	* doc/invoke.texi (gdwarf-): Update docs.
	* opth-gen.awk: Special case -gdwarf+ to OPT_gdwarfplus.
	* opts.c (common_handle_option) [OPT_gdwarf_]: Verify dwarf
	version level, and record it.

	* dwarf2.h (DW_CIE_VERSION): Remove.
	* dwarf2out.c (DWARF_VERSION): Remove.
	(add_fde_cfi): Skip DW_CFA_set_loc addition for dwarf3.
	(output_call_frame_info): Use CIE version 3 for dwarf3,
	or if the return register column is out of range for version 1.
	(dwarf_stack_op_name): Add all dwarf3 values.
	(DEBUG_PUBTYPES_SECTION): New.
	(size_of_die) [dw_val_class_die_ref]: Handle DW_FORM_ref_addr
	encoding change for dwarf3.
	(output_die) [dw_val_class_die_ref]: Likewise.
	(output_compilation_unit_header): Emit correct version for dwarf3.
	(output_line_info): Likewise.
	(output_pubnames): Update for DWARF_VERSION removal.
	(output_aranges): Likewise.
	(gen_subprogram_die): Emit DW_OP_call_frame_cfa if emitting dwarf3.
	(dwarf2out_init): Don't ifdef DEBUG_PUBTYPES_SECTION.
	(dwarf2out_finish): Likewise.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	* system.h (gcc_assert, gcc_unreachable): Revert accidental commit
	in r148403.

2009-06-11  David Daney  <ddaney@caviumnetworks.com>

	PR c/39252
	* doc/extend.texi ( __builtin_unreachable): Document new builtin.
	* builtins.c (expand_builtin_unreachable): New function.
	(expand_builtin): Handle BUILT_IN_UNREACHABLE case.
	* builtins.def (BUILT_IN_UNREACHABLE): Add new builtin.
	* cfgcleanup.c (try_optimize_cfg): Delete empty blocks with no
	successors.
	* cfgrtl.c (rtl_verify_flow_info): Handle empty blocks when
	searching for missing barriers.

2009-06-11  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	* config/darwin.h (LINK_COMMAND_SPEC): Adjust spec to link libcov
	when -fprofile-generate* was passed.
	* config/darwin9.h (LINK_COMMAND_SPEC): Likewise.

2009-06-11  Anthony Green  <green@moxielogic.com>

	* config/moxie/moxie.md: Define length attribute for all instructions.
	(rCC): Define.
	(*b<cond:code>): Support limited branch ranges for new PC-relative
	branch instructions.
	* config/moxie/moxie.h (HAS_LONG_UNCOND_BRANCH): Define.

2009-06-11  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (min_insn_size): Use get_attr_length
	for normal insns other than TYPE_MULTI, TYPE_OTHER and TYPE_FCMP.
	For __asm return 0.

	* config/i386/i386.c (ix86_pad_returns): Use emit_jump_insn_before
	instead of emit_insn_before.

2009-06-10  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/40408
	* graphite.c (add_conditions_to_domain): Change SWITCH_EXPR to
	GIMPLE_SWITCH.

2009-06-10  Revital Eres  <eres@il.ibm.com>

	* passes.c (init_optimization_passes): Reschedule
	predictive-commoning pass before complete unroll pass.

2009-06-10  Martin Jambor  <mjambor@suse.cz>

	* cgraph.c (cgraph_node_can_be_local_p): New function.
	(cgraph_make_node_local): New function.
	* cgraph.h (cgraph_node_can_be_local_p): Declare.
	(cgraph_make_node_local): Declare.

2009-06-10  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.h (tree_base): Add packed_flag and user_align fields.
	Decrease size of spare field.
	(TYPE_USER_ALIGN): Use user_align from tree_base.
	(DECL_USER_ALIGN): Likewise.
	(TYPE_PACKED): Use packed_flag from tree_base.
	(DECL_PACKED): Likewise.
	(tree_type): Delete packed_flag and user_align fields.  Widen
	precision field.  Widen mode field and shuffle fields to align
	mode on an 8-bit boundary.
	(tree_decl_common): Delete decl_flag_1 and user_align fields.
	Renumber decl_flag_* fields.  Fix comments.  Widen
	decl_common_unused field.
	(DECL_HAS_VALUE_EXPR_P): Adjust for renumbering of decl_flag_* fields.
	(DECL_EXTERNAL): Likewise.
	(DECL_BIT_FIELD): Likewise.
	(DECL_NONADDRESSABLE_P): Likewise.
	(TYPE_DECL_SUPRESS_DEBUG): Likewise.
	* config/arm/arm-modes.def (XImode): Make it an INT_MODE.

2009-06-10  Ian Lance Taylor  <iant@google.com>

	* vec.h (DEF_VEC_ALLOC_I): Use DEF_VEC_NONALLOC_FUNCS_I.
	(DEF_VEC_ALLOC_P): Use DEF_VEC_NONALLOC_FUNCS_P.
	(DEF_VEC_ALLOC_O): Use DEF_VEC_NONALLOC_FUNCS_O.
	(DEF_VEC_ALLOC_FUNC_P): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_P): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_P.
	(DEF_VEC_ALLOC_FUNC_O): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_O): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_O.
	(DEF_VEC_ALLOC_FUNC_I): Only define VEC_OP (T,A,alloc).
	(DEF_VEC_NONALLOC_FUNCS_I): New macro, broken out of old
	DEF_VEC_ALLOC_FUNC_I.
	(vec_stack_p_reserve, vec_stack_p_reserve_exact): Declare.
	(vec_stack_p_reserve_exact_1): Declare.
	(vec_stack_o_reserve, vec_stack_o_reserve_exact): Declare.
	(vec_stack_free): Declare.
	(VEC_stack_alloc): Define.
	(DEF_VEC_ALLOC_P_STACK, DEF_VEC_ALLOC_FUNC_P_STACK): Define.
	(DEF_VEC_ALLOC_O_STACK, DEF_VEC_ALLOC_FUNC_O_STACK): Define.
	(DEF_VEC_ALLOC_I_STACK, DEF_VEC_ALLOC_FUNC_I_STACK): Define.
	* vec.c (void_p): New type.  Call DEF_VEC_P and DEF_VEC_ALLOC_P
	for void_p.
	(stack_vecs): New static variable.
	(vec_stack_p_reserve_exact_1): New function.
	(vec_stack_o_reserve_1): New static function.
	(vec_stack_p_reserve, vec_stack_p_reserve_exact): New functions.
	(vec_stack_o_reserve, vec_stack_o_reserve_exact): New functions.
	(vec_stack_free): New function.
	* df-scan.c (df_ref): Use DEF_VEC_P and DEF_VEC_ALLOC_P_STACK.
	(VEC_df_ref_stack_alloc): Define.
	(df_mw_hardreg_ptr): New type.  Use DEF_VEC_P and
	DEF_VEC_ALLOC_P_STACK.
	(VEC_df_mw_hardreg_ptr_stack_alloc): Define.
	(struct df_collection_rec): Change _vec fields to VEC.  Remove
	_use fields.
	(df_free_collection_rec): Adjust for new fields.
	(df_insn_rescan): Use new df_collection_rec fields.
	(df_notes_rescan, df_canonize_collection_rec): Likewise.
	(df_ref_create_structure, df_ref_record): Likewise.
	(df_get_conditional_uses, df_get_call_refs): Likewise.
	(df_insn_refs_collect, df_bb_refs_collect): Likewise.
	(df_bb_refs_record, df_record_entry_block_defs): Likewise.
	(df_record_exit_block_uses, df_bb_verify): Likewise.
	(df_swap_refs): Change ref_vec parameter to VEC.  Change all callers.
	(df_sort_and_compress_refs): Change ref_vec parameter to VEC.
	Remove count parameter.  Change return type to void.  Change all
	callers.
	(df_sort_and_compress_mws): Change mw_vec parameter to VEC.
	Remove count parameter.  Change return type to void.  Change all
	callers.
	(df_install_refs): Change old_vec parameter to VEC.  Remove count
	parameter.  Change all callers.
	(df_install_mws): Change old_vec parameter to VEC.  Remove count
	parameter.  Change all callers.
	(df_refs_verify): Change new_rec parameter to VEC.  Change call
	callers.
	(df_mws_verify): Likewise.

2009-06-10  Alexandre Oliva  <aoliva@redhat.com>

	* gcc.c (compare_files): Cast munmap argumento to caddr_t.

2009-06-10  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Add description for __builtin_ia32_crc32di.

2009-06-10  Anthony Green  <green@moxielogic.com>

	* config/moxie/crti.asm: New file.
	* config/moxie/crtn.asm: New file.
	* config/moxie/moxie.c: New file.
	* config/moxie/moxie.h: New file.
	* config/moxie/sfp-machine.h: New file.
	* config/moxie/moxie-protos.h: New file.
	* config/moxie/t-moxie: Created.
	* config/moxie/t-moxie-softfp: Created.
	* config/moxie/moxie.md: Created.
	* config/moxie/constraints.md: Created.
	* config.gcc: Add moxie support.
	* doc/md.texi (Machine Constraints): Add moxie constraints.
	* doc/contrib.texi (Contributors): Mention moxie port.
	* doc/install.texi (Specific): Mention the moxie port.

2009-06-09  Ian Lance Taylor  <iant@google.com>

	* system.h (HAVE_DESIGNATED_INITIALIZERS): Don't define if
	compiling with C++.
	* optabs.c (optab_table): Only use designated initializers if
	HAVE_DESIGNATED_INITIALIZERS is defined.
	(convert_optab_table): Likewise.
	(init_optabs): Always call init_insn_codes if
	HAVE_DESIGNATED_INITIALIZERS is not defined.

2009-06-09  Ian Lance Taylor  <iant@google.com>

	* targhooks.c (default_builtin_vectorized_function): Change fn
	parameter to unsigned int.
	(default_builtin_vectorized_conversion): Change code parameter to
	unsigned int.
	(default_builtin_reciprocal): Change fn parameter to unsigned int.
	* targhooks.h: Update declarations.
	* config/rs6000/rs6000.c (rs6000_builtin_conversion): Change code
	parameter to unsigned int.

	* c-typeck.c (comptypes_check_enum_int): New static function.
	(comptypes_internal): Add enum_and_int_p parameter.  Change all
	callers.
	(comp_target_types): Add location parameter.  Change all callers.
	(tagged_types_tu_compatible_p): Add enum_and_int_p parameter.
	Change all callers.
	(function_types_compatible_p, type_lists_compatible_p): Likewise.
	(build_conditional_expr): Add colon_loc parameter.  Change all
	callers.
	(convert_for_assignment): Add location parameter.  Change all callers.
	* c-parser.c (c_parser_conditional_expression): Pass location of
	colon to build_conditional_expr.
	* c-tree.h (build_conditional_expr): Update declaration.

2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c: Revert previous patch.

2009-06-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR bootstrap/40103
	* graphite.c: Remove pragma GCC diagnostic warning "-Wc++-compat".

2009-06-09  Ghassan Shobaki  <ghassan.shobaki@amd.com>

	* tree-ssa-loop-prefetch.c
	(loop_prefetch_arrays): Fixed a portability problem in printf format
	string.

2009-06-09  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40351
	* tree-sra.c (propagate_subacesses_accross_link): Check that a
	refrence to a potential artifical subaccess can be constructed.

2009-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh-protos.h (sh_optimization_options): Declare.
	(sh_override_options): Likewise.
	* config/sh/sh.c: Include params.h.
	(sh_optimization_options): New.
	(sh_override_options): Likewise.
	* config/sh/sh.c (OPTIMIZATION_OPTIONS): Use sh_optimization_options.
	(OVERRIDE_OPTIONS): Use sh_override_options.

2009-06-08  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (emit_cfa_remember): New variable.
	(add_fde_cfi): If emit_cfa_remember, recurse to add
	DW_CFA_remember_state first.
	(dwarf2out_begin_epilogue): Don't add_fde_cfi DW_CFA_remember_state,
	instead just set emit_cfa_remember.

2009-06-08  Jan Hubicka  <jh@suse.cz>

	PR debug/40126
	* dwarf2out.c (dwarf2out_abstract_function): Free decl_loc_table.

2009-06-08  Jan Hubicka  <jh@suse.cz>

	PR middle-end/39834
	* cgraphunit.c (save_inline_function_body): Do not copy transform
	hooks for saved inline bodies.
	* ipa-passes.c (do_per_function): Do not add the hoks multiple times
	for given function.

2009-06-08  Adam Nemet  <anemet@caviumnetworks.com>

	* jump.c (returnjump_p): Handle delayed branches.  Add missing
	function comment.

2009-06-08  Jan Hubicka  <jh@suse.cz>

	PR middle-end/40102
	* cgraph.c (cgraph_create_edge_including_clones): Also asume that the
	original node might've been modified.
	* tree-inline.c (copy_bb): Do not assume that all clones are the same.

2009-06-08  Jakub Jelinek  <jakub@redhat.com>

	* tree-object-size.c (addr_object_size): Add OSI argument.
	Handle also INDIRECT_REF with SSA_NAME inside of it as base address.
	(compute_builtin_object_size, expr_object_size): Adjust callers.
	(plus_stmt_object_size): Call addr_object_size instead of
	compute_builtin_object_size.

2009-06-08  Ghassan Shobaki  <ghassan.shobaki@amd.com>
	    Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

	* tree-ssa-loop-prefetch.c
	(gather_memory_references): Introduced a counter for the number of
	memory references.
	(anything_to_prefetch_p): Introduced a counter for the number of
	prefetches.
	(is_loop_prefetching_profitable): New function with a cost model
	for prefetching.
	(loop_prefetch_arrays): Use the new cost model to determine if
	prefetching is profitable.
	* params.def (MIN_INSN_TO_PREFETCH_RATIO,
	PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
	* params.h (MIN_INSN_TO_PREFETCH_RATIO,
	PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.
	* doc/invoke.texi (MIN_INSN_TO_PREFETCT_RATIO,
	PREFETCH_MIN_INSN_TO_MEM_RATIO): New parameters.

2009-06-08  Michael Matz  <matz@suse.de>

	PR debug/40012
	* cfgexpand.c (set_rtl): Store place also in DECL_RTL, if all
	partitions use the same.
	(expand_one_var): Deal with DECL_RTL sometimes begin set also
	for basevars of SSA_NAMEs.
	(expand_used_vars): Reset TREE_USED for basevars of SSA_NAMEs,
	to not expand them twice.
	(gimple_expand_cfg): Clear DECL_RTL for those decls that have
	multiple places.

2009-06-08  Alexandre Oliva  <aoliva@redhat.com>

	* common.opt (fcompare-debug=, fcompare-debug-second): New.
	(fdump-final-insns=, gtoggle): New.
	* doc/invoke.texi: Document them.
	* final.c (rest_of_clean_state): Dump final insn stream.
	* gcc.c (invoke_as): Hook in -fcompare-debug.
	(static_spec_functions): Add compare-debug-dump-opt,
	compare-debug-self-opt and compare-debug-auxbase-opt.
	(compare_debug, compare_debug_second, compare_debug_opt): New.
	(switches_debug_check, n_switches_debug_check): New.
	(debug_auxbase_opt, debug_check_temp_file): New.
	(process_command): Handle -fno-compare-debug, -fcompare-debug and
	-fcompare-debug=*.
	(do_self_spec): Handle arguments after switches.
	(do_spec_1): Add .gk extension to temp file basenames for compare.
	(check_live_switch): Take SWITCH_IGNORE into account, and earlier.
	(cc1_options): Use it instead of normal auxbase computation for
	the second compare-debug compilation.
	(compare_files): New.
	(main): Set up and implement compare debug mode.
	(compare_debug_dump_opt_spec_function): New.
	(compare_debug_self_opt_spec_function): New.
	(compare_debug_auxbase_opt_spec_function): New.
	* toplev.c (process_options): Handle flag_gtoggle,
	flag_dump_final_insns.
	* coverage.c (coverage_begin_output): Don't overwrite .gcno file
	during -fcompare-debug-second compilation.

2009-06-07  Ian Lance Taylor  <iant@google.com>

	* dwarf2.h (enum dwarf_location_atom): Add INTERNAL_DW_OP_tls_addr.
	* dwarf2out.c (INTERNAL_DW_OP_tls_addr): Don't #define.

	* c-common.c (c_do_switch_warnings): Don't exit early for -Wswitch
	with no default node.  Change warning with %H to warning_at.
	Don't clear warn_switch around case checking.
	* doc/invoke.texi (Warning Options): Clarify distinction between
	-Wswitch and -Wswitch-enum.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-pass.h (TODO_update_ssa_any): Document internal use only.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* gbl-ctors.h: Add header guard.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-flow.h (make_value_handle, set_value_handle, sort_vuses,
	sort_vuses_heap, vn_lookup_or_add, vn_lookup_or_add_with_stmt,
	vn_lookup_or_add_with_vuses, vn_add, vn_add_with_vuses,
	vn_lookup_with_stmt, vn_lookup, vn_lookup_with_vuses): Remove
	prototypes for removed functions.
	(expressions_equal_p): Move to ...
	* tree-ssa-sccvn.h: ... here and ...
	* matrix-reorg.c: ... adjust includes.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* ipa-struct-reorg.c (do_reorg_1): Fix whitespace in dump output.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* c-decl.c (finish_decl): Use bool for variable was_incomplete.
	(finish_function): Remove erroneous whitespace.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* tree-cfg.c (gimple_merge_blocks): Commentary typo fix.
	(verify_stmts): Print statement who's gimple_bb is set to a wrong BB

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* errors.c (internal_error): Commentary typo fix.
	* gimple-iterator.c (gsi_insert_seq_on_edge): Ditto.
	* tree-ssa-pre.c: Ditto.

2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
	them is supposed to hold actual statements.

2009-06-06  Ian Lance Taylor  <iant@google.com>

	* doc/extend.texi (Attribute Syntax): Document that C++ labels on
	empty statements can now have attributes.

2009-06-05  Shujing Zhao  <pearly.zhao@oracle.com>

	* config/mips/mips.c: Use REG_P and CONST_INT_P where applicable.
	* config/mips/mips.md: Ditto.

2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/eabi.asm (__eabi_convert): Don't define if
	_RELOCATABLE.
	(__eabi_uconvert): Likewise.

2009-06-05  Nathan Froyd  <froydnj@codesourcery.com>

	* config/rs6000/ppc-asm.h: Protect auto-host.h inclusion and
	CFI_* definitions with IN_GCC.

2009-06-05  David Edelsohn  <edelsohn@gnu.org>

	* xcoffout.h (xcoffout_source_line): Update prototype.

2009-06-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (do_mpc_ckconv, do_mpc_arg1): Use
	mpc_realref/mpc_imagref instead of MPC_RE/MPC_IM.

2009-06-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40340
	* tree-ssa-live.c (remove_unused_scope_block_p): Don't prune
	inlined_function_outer_scope_p blocks for artificial inlines
	even at -g0/-g1.
	* tree.c (tree_nonartificial_location): Rewrite using
	block_nonartificial_location.

2009-06-05  Revital Eres  <eres@il.ibm.com>
	    Leehod Baruch  <leehod@il.ibm.com>

	* expr.c (expand_assignment): Expand MISALIGNED_INDIRECT_REF.
	(expand_expr_real_1): Remove comment.
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment):
	Vectorize misaligned access when the target supports it.
	(vect_supportable_dr_alignment): Check for unaligned access support.
	* tree-vect-stmts.c (vectorizable_store): Generate misaligned store
	and remove asset.

2009-06-05  Julian Brown  <julian@codesourcery.com>

	* config/arm/ieee754-df.S (cmpdf2): Avoid writing below SP.
	* config/arm/ieee754-sf.S (cmpsf2): Likewise.

2009-06-05  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/40350
	* dwarf2out.c (dwarf2out_begin_function): Mark discriminator
	as possibly unused.

2009-06-05  Jakub Jelinek  <jakub@redhat.com>

	* config/s390/s390.c (global_not_special_regno_p): New static inline.
	(save_gprs): Don't tell unwinder when a global register is saved.
	(s390_emit_epilogue): Emit needed epilogue unwind info.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

	* dwarf2out.c (deferred_asm_name): New.
	(add_name_and_src_coords_attributes): Defer creation of
	DW_AT_MIPS_linkage_name attribute if DECL_ASSEMBLER_NAME was not
	computed yet.
	(move_linkage_attr): New.
	(dwarf2out_finish): Revisit deferrals and emit attributes at the
	right place.

2009-06-05  Alexandre Oliva  <aoliva@redhat.com>

	* tree-nested.c (finalize_nesting_tree_1): Declare the
	frame_decl in the binding tree.

2009-06-04  Cary Coutant  <ccoutant@google.com>

	* basic-block.h (struct basic_block_def): Add discriminator field.
	* dbxout.c (dbxout_source_line): Add new parameter.  Change all
	callers.
	* debug.c (do_nothing_debug_hooks): Add additional entry.
	(debug_nothing_int_charstar_int): New function.
	* debug.h (struct gcc_debug_hooks): Add parameter to source_line hook.
	(debug_nothing_int_charstar_int): New declaration.
	* dwarf2out.c (dwarf2out_source_line): Add new parameter.  Write
	discriminator value in .loc directive.
	* final.c (last_discriminator): New variable.
	(discriminator): New variable.
	(final_start_function): Initialize above variables, pass current
	discriminator to debug hook.
	(notice_source_line): Check for discriminator change.
	* gimple-pretty-print.c (dump_bb_header): Print discriminator value.
	* sdbout.c (sdbout_source_line): New parameter.
	* tree-cfg.c (struct locus_discrim_map): New structure type.
	(discriminator_per_locus): New hash table.
	(build_gimple_cfg): Allocate and free discriminator hash table.
	(make_edges): Call assign_discriminator.
	(locus_map_hash): New function.
	(locus_map_eq): New function.
	(next_discriminator_for_locus): New function.
	(same_line_p): New function.
	(assign_discriminator): New function.
	(make_cond_expr_edges): Call assign_discriminator.
	(make_gimple_switch_edges): Likewise.
	(first_non_label_stmt): New function.
	* vmsdbgout.c (vmsdbgout_source_line): Add new parameter.  Change
	all callers.
	* xcoffout.c (xcoffout_source_line): Add new parameter.

	* configure.ac (gcc_cv_as_discriminator): New configury check for
	gas support for discriminator.
	* configure: Regenerate.
	* config.in: Regenerate.

2009-06-04  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (thumb2_legitimate_index_p): Initialize
	val after checking for integers.

2009-06-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (X86_64_MS_REGPARM_MAX): Rename from
	X64_REGPARM_MAX.
	(REGPARM_MAX): Use X86_64_MS_REGPARM_MAX.
	(X86_64_MS_SSE_REGPARM_MAX): Rename from X64_SSE_REGPARM_MAX.
	(SSE_REGPARM_MAX): Use X86_64_MS_SSE_REGPARM_MAX.
	* config/i386/i386.c: Use X86_64_MS_REGPARM_MAX instead of
	X64_REGPARM_MAX.  Use X86_64_MS_SSE_REGPARM_MAX instead of
	X64_SSE_REGPARM_MAX.
	* config/i386/i386.md: Use X86_64_MS_SSE_REGPARM_MAX instead of
	X64_SSE_REGPARM_MAX.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

	* gcc.c (report_times_to_file): New.
	(execute): Implement it.
	(process_command): Support -time=.
	* doc/invoke.texi: Document it.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Keep variables
	that have value exprs.

2009-06-04  Alexandre Oliva  <aoliva@redhat.com>

	* dwarf2asm.c (dw2_force_const_mem): Defer creation of
	declarations for constants until...
	(dw2_output_indirect_constant_1): ... this point.

2009-06-04  Richard Earnshaw  <rearnsha@arm.com>

	PR target/10242
	* arm.md (arm_addsi3): Don't try to split an add with an
	eliminable register until after reload has completed.

2009-06-03  Ian Lance Taylor  <iant@google.com>

	* dummy-checksum.c (executable_checksum): Use EXPORTED_CONST.
	* genattrtab.c (write_length_unit_log): Likewise.
	* genchecksum.c (dosum): Likewise.
	* gengtype.c (write_rtx_next): Likewise.
	(finish_root_table, write_roots): Likewise.
	* gimple.c (gimple_ops_offset_): Likewise.
	* tree-nomudflap.c (gt_ggc_r_gt_tree_mudflap_h): Likewise.
	* config/arc/arc.c (arc_attribute_table): Likewise.
	* config/arm/arm.c (arm_attribute_table): Likewise.
	* config/avr/avr.c (avr_attribute_table): Likewise.
	* config/crx/crx.c (crx_attribute_table): Likewise.
	* config/m32r/m32r.c (m32r_attribute_table): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_attribute_table): Likewise.
	* config/mcore/mcore.c (mcore_attribute_table): Likewise.
	* config/rs6000/rs6000.c (rs6000_attribute_table): Likewise.
	* config/sh/sh.c (sh_attribute_table): Likewise.
	* config/sparc/sparc.c (sparc_attribute_table): Likewise.
	* config/spu/spu.c (spu_attribute_table): Likewise.
	* config/v850/v850.c (v850_attribute_table): Likewise.

	* config/alpha/alpha.c (vms_attribute_table): Make static.
	* config/bfin/bfin.c (bfin_attribute_table): Likewise.
	* config/h8300/h8300.c (h8300_attribute_table): Likewise.
	* config/mips/mips.c (mips_attribute_table): Likewise.

	* Makefile.in (dummy-checksum.o): Depend upon $(CONFIG_H) and
	$(SYSTEM_H).
	(cc1-checksum.o): Likewise.

2009-06-03  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/vect.md (*movv2sf_internal): Handle big endian case.

2009-06-03  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Return generated
	insn if it is changing sp.  Use gen_add3_insn instead of
	conditionally gen_addsi3 and gen_adddi3.
	(offset_below_red_zone_p): New static inline function.
	(rs6000_emit_epilogue): Emit needed epilogue unwind info.
	Use gen_add3_insn instead of conditionally gen_addsi3 and gen_adddi3.
	* config/rs6000/ppc-asm.h: Include auto-host.h.
	(CFI_STARTPROC, CFI_ENDPROC, CFI_DEF_CFA_REGISTER, CFI_OFFSET,
	CFI_RESTORE): Define.
	* config/rs6000/crtresxgpr.asm: Add unwind info.
	* config/rs6000/crtresxfpr.asm: Likewise.
	* config/rs6000/crtresgpr.asm: Likewise.
	* config/rs6000/crtresfpr.asm: Likewise.
	* config/rs6000/crtsavgpr.asm: Likewise.
	* config/rs6000/crtsavfpr.asm: Likewise.

	* dwarf2out.c (output_cfi_directive): Pass 1 instead of 0 to second
	argument of DWARF2_FRAME_REG_OUT macros.

2009-06-03  Julian Brown  <julian@codesourcery.com>

	* config/arm/arm.c (arm_hard_regno_mode_ok): Permit values of four
	words or less (including TImode) in core registers.

2009-06-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40328
	* fold-const.c (fold_convert): Fold the build COMPLEX_EXPR.

2009-06-03  Andrey Belevantsev  <abel@ispras.ru>

	* statistics.c (statistics_counter_event): Do not record event
	in pass	dump if its number == -1.
	(curr_statistics_hash): Add assert that we never get passes
	with static number == -1.

2009-06-03  Richard Guenther  <rguenther@suse.de>
	    Andrey Belevantsev  <abel@ispras.ru>

	* cfgexpand.c (discover_nonconstant_array_refs_r): Make only
	non-BLKmode arrays addressable.

2009-06-03  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/linux.h (HAVE_GAS_BALIGN_AND_P2ALIGN): Move to ...
	* config/m68k/m68k.h: ... here.
	* testsuite/gcc.dg/falign-labels.c (dg-options): Don't restrict for
	m68k and fido.

2009-06-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/40323
	* ipa-prop.c (get_ssa_def_if_simple_copy): Break if not single
	assignment.

2009-06-03  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
	consistently.

2009-06-03  Shujing Zhao  <pearly.zhao@oracle.com>

	* config/sh/predicates.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
	JUMP_P, CALL_P, NONJUMP_INSN_P, NOTE_P, BARRIER_P and
	JUMP_TABLE_DATA_P where applicable.
	* config/sh/sh.c: Ditto.
	* config/sh/sh.h: Ditto.
	* config/sh/sh.md: Ditto.
	* config/sh/symbian.c: Ditto.

2009-06-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/driver-i386.c (describe_cache): Optimize
	concatenation of strings.  Use snprintf instead of sprintf.
	(host_detect_local_cpu): Ditto.  Ignore -march and -mtune for native
	target when not compiling with GCC.

2009-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c: Revert last change.
	(sh_expand_epilogue): Emit a blockage insn before the frame
	pointer adjustment unconditionally.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* config/pa/pa-hpux.h (LINK_SPEC): Remove "%<fwhole-program".
	* config/pa/pa-hpux10.h (LINK_SPEC): Likewise.
	* config/pa/pa-hpux11.h (LINK_SPEC): Likewise.
	* gcc.c (set_collect_gcc_options): Don't add -fwhole-program
	to COLLECT_GCC_OPTIONS.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* collect2.c (target_system_root): New variable.
	(main): Handle --sysroot=.
	(ignore_library): Strip the sysroot from the library path.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* Makefile.in (COLLECT2_OBJS): Add collect2-aix.o.
	(collect2.o): Depend on collect2-aix.h.
	(collect2-aix.o): New rule.
	* collect2-aix.h: New file.
	* collect2-aix.c: Likewise.
	* collect2.c: Include collect2-aix.h.  Don't undefine
	OBJECT_FORMAT_COFF if CROSS_AIX_SUPPORT is defined.
	Guard native includes with #ifndef CROSS_DIRECTORY_STRUCTURE.
	Use TARGET_AIX_VERSION instead of _AIX51.
	* config/rs6000/aix43.h (TARGET_AIX_VERSION): Define.
	* config/rs6000/aix51.h (TARGET_AIX_VERSION): Likewise.
	* config/rs6000/aix52.h (TARGET_AIX_VERSION): Likewise.
	* config/rs6000/aix53.h (TARGET_AIX_VERSION): Likewise.
	* config/rs6000/aix61.h (TARGET_AIX_VERSION): Likewise.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* collect2.c (ignore_library): Avoid premature post-increment
	and null deference.

2009-06-02  Richard Sandiford  <r.sandiford@uk.ibm.com>

	* Makefile.in (libgcc.mvars): Add TARGET_SYSTEM_ROOT.
	* config/rs6000/aix.h (LINK_SYSCALLS_SPEC): Add %R to the
	!CROSS_DIRECTORY_STRUCTURE alternative and use it for
	CROSS_DIRECTORY_STRUCTURE too.
	(LINK_LIBG_SPEC): Likewise.
	(LIB_SPEC): Add %R to sysroot paths.
	* config/rs6000/aix43.h (CPP_SPEC): Add %R to sysroot paths.
	(CPLUSPLUS_CPP_SPEC, LIB_SPEC): Likewise.
	* config/rs6000/aix51.h: As for aix43.h.
	* config/rs6000/aix52.h: Likewise.
	* config/rs6000/aix53.h: Likewise.
	* config/rs6000/aix61.h: Likewise.
	* config/rs6000/t-aix52 (SHLIB_LINK): Add $(TARGET_SYSTEM_ROOT)
	to the beginning of sysroot paths.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* print_rtl (print_rtx): Don't print modes in EXPR_LISTs and
	INSN_LISTs that are out of the REG_NOTE range.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* loop-unroll.c (struct iv_to_split): Add pointer to next.
	(struct var_to_expand): Likewise.
	(struct opt_info): Add head and tail for linked lists of the above.
	(analyze_insn_to_expand_var): Initialize next.
	(analyze_iv_to_split_insn): Likewise.
	(analyze_insns_in_loop): Create linked lists.
	(allocate_basic_variable): Simplify for use without hash table.
	(insert_var_expansion_initialization): Likewise, make it type-safer.
	(combine_var_copies_in_loop_exit): Likewise.
	(apply_opt_in_copies): Walk lists rather than hash tables.
	(release_var_copies): Simplified and inlined by hand into...
	(free_opt_info): ... this function.

2009-06-02  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Use DECL_SIZE
	for field decls.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* cfgexpand.c (gimple_expand_cfg): Discard the source location
	only for builtins that are not overridden.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* gengtype.c (adjust_field_rtx_def): Add NOTE_INSN_DELETED_LABEL's
	label string.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* df-core.c (df_ref_debug): Honor -fdump-noaddr.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* combine.c (move_deaths): Compare LUIDs within the same BB only.

2009-06-02  Alexandre Oliva  <aoliva@redhat.com>

	* common.opt (fdump-unnumbered-links): New.
	* doc/invoke.texi (-fdump-unnumbered-links): Document it.
	* print-rtl.c (flag_dump_unnumbered_links): New.
	(print_rtx): Test it.

2009-06-02  Richard Earnshaw  <rearnsha@arm.com>

	* arm.c (arm_get_frame_offsets): Prefer using r3 for padding a
	push/pop multiple to 8-byte alignment.

2009-06-01  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (queued_cfa_restores): New static variable.
	(ix86_add_cfa_restore_note, ix86_add_queued_cfa_restore_notes): New
	functions.
	(pro_epilogue_adjust_stack): Call ix86_add_queued_cfa_restore_notes.
	(ix86_emit_restore_reg_using_pop): Add RED_OFFSET argument.
	Set RTX_FRAME_RELATED_P immediately after adding a REG_CFA_* note.
	Call ix86_add_cfa_restore_note instead of adding REG_CFA_OFFSET
	note unconditionally.
	(ix86_emit_restore_regs_using_mov): Likewise.
	(ix86_emit_restore_sse_regs_using_mov): Likewise.
	(ix86_emit_restore_regs_using_pop): Add RED_OFFSET argument, pass
	it through to ix86_emit_restore_reg_using_pop.
	(ix86_emit_leave): Add RED_OFFSET argument.  Call
	ix86_add_queued_cfa_restore_notes.  Call ix86_add_cfa_restore_note
	instead of adding REG_CFA_OFFSET note unconditionally.
	(ix86_expand_epilogue): Compute RED_OFFSET, pass it down to
	the above functions.  Call ix86_add_queued_cfa_restore_notes when
	needed.

	* dwarf2out.c (dwarf2out_cfi_label): Add FORCE argument, if true,
	force output of the label even for dwarf2out_do_cfi_asm.
	(add_fde_cfi): If -g2 and above and cfi might change CFA,
	force creation of CFI label and chain DW_CFA_set_loc jumping to it
	for convert_cfa_to_fb_loc_list.  Adjust other dwarf2out_cfi_label
	caller.
	(dwarf2out_stack_adjust, dwarf2out_frame_debug,
	dwarf2out_begin_epilogue, dwarf2out_frame_debug_restore_state): Adjust
	dwarf2out_cfi_label callers.
	* tree.h (dwarf2out_cfi_label): Adjust prototype.
	* config/arm/arm.c (thumb_pushpop, thumb1_output_function_prologue):
	Adjust dwarf2out_cfi_label callers.
	* config/vax/vax.c (vax_output_function_prologue): Likewise.

	* config/i386/i386.h (struct machine_cfa_state,
	struct machine_function): Guard with ifndef USED_FOR_TARGET
	instead of not IN_LIBGCC2 and not in IN_TARGET_LIBS.

	PR other/40024
	* emutls.c (__emutls_get_address): Change arr->size to mean number
	of allocated arr->data entries instead of # of slots + 1.

	PR middle-end/40316
	* recog.c (peep2_reinit_state): New function.
	(peephole2_init_state): Use it at the end of a basic block and also
	when seeing a RTX_FRAME_RELATED_P insn.

2009-06-01  Steve Ellcey  <sje@cup.hp.com>

	* ia64.md (floatdirf2, fix_truncrfdi, floatunsdirf,
	fixuns_truncrfdi2): New.
	(fix_truncxfdi2_alts, fixuns_truncxfdi2_alts,
	*nmaddsf4_alts, *nmadddf4_alts, *nmadddf4_truncsf_alts,
	*mulxf3_alts, *mulxf3_truncsf_alts, *mulxf3_truncdf_alts,
	*maddxf4_alts, *maddxf4_alts_truncsf, *maddxf4_alts_truncdf,
	*nmaddxf4_alts, *nmaddxf4_truncsf_alts, *nmaddxf4_truncdf_alts,
	*recip_approx): Remove.
	(divsi3 modsi3, udivsi3, umodsi3, divsi3_internal, divdi3,
	moddi3, udivdi3, umoddi3, divdi3_internal_lat, divdi3_internal_thr,
	divsf3, sqrtsf2, divdf3, sqrtdf2, divxf3, sqrtxf2): Modify and
	move to div.md.
	* div.md (fix_truncrfdi2_alts, fixuns_truncrfdi2_alt,
	setf_exp_rf): New.

2009-06-01  Ian Lance Taylor  <iant@google.com>

	* attribs.c (register_attribute): Use CONST_CAST.
	* collect2.c (main): Use CONST_CAST2.
	(scan_prog_file): Likewise.
	* gcc.c (process_command, main): Likewise.
	* toplev.c (toplev_main): Likewise.

	* c-typeck.c (handle_warn_cast_qual): New static function,
	partially broken out of build_c_cast.
	(build_c_cast): Call handle_warn_cast_qual.
	* doc/invoke.texi (Warning Options): Document new effect of
	-Wcast-qual.

2009-06-01  Aldy Hernandez  <aldyh@redhat.com>

	* diagnostic.c (diagnostic_build_prefix): Always print columns.
	(diagnostic_report_current_module): Print columns.
	* common.opt (flag_show_column): Enable by default.

2009-06-01  Luis Machado  <luisgpm@br.ibm.com>

	* alias.c (find_base_term): Check for NULL term before returning.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

	Revert due to PR40320:
	2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>
	* calls.c (emit_library_call_value_1): Don't force_operand for move
	and push insns.

2009-06-01  Olivier Hainque  <hainque@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* tree.h (CONSTRUCTOR_BITFIELD_P): True if NODE, a FIELD_DECL, is
	to be processed as a bitfield for constructor output purposes.
	* output.h (initializer_constant_valid_for_bitfield_p): Declare
	new function.
	* varasm.c (oc_local_state): New type, output_constructor
	local state to support communication with helpers.
	(oc_outer_state): New type, output_constructor outer state of
	relevance in recursive calls.
	(output_constructor_array_range): New output_constructor helper,
	extracted code for an array range element.
	(output_constructor_regular_field): New output_constructor helper,
	extracted code for an element that is not a bitfield.
	(output_constructor_bitfield): New output_constructor helper,
	extracted code for a bitfield element.  Accept an OUTER state
	argument for recursive processing.  Recurse on record or array
	CONSTRUCTOR values, possibly past noop conversions.
	(initializer_constant_valid_for_bitfield_p): New predicate.  Whether
	VALUE is a valid constant-valued expression for use in a static
	bit-field initializer.
	(output_constructor): Rework to use helpers.  Accept and honor an
	OUTER state argument for recursive calls.  Return total size.  Be
	prepared for nested constructors initializing bitfields.
	(output_constant): Feed OUTER in calls to output_constructor.

2009-06-01  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* calls.c (emit_library_call_value_1): Don't force_operand for move
	and push insns.

2009-06-01  Nick Clifton  <nickc@redhat.com>

	* doc/invoke.texi (IA-64 Options): Fix typo.

2009-06-01  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39129
	* tree-vect-loop-manip.c (conservative_cost_threshold): Change the
	printed message.
	(vect_do_peeling_for_loop_bound): Use
	LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
	LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
	(vect_loop_versioning): Likewise.
	(vect_create_cond_for_alias_checks): Fix indentation.
	* tree-vectorizer.h (struct _loop_vec_info): Fix indentation of the
	macros.
	(LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT): Define.
	(LOOP_REQUIRES_VERSIONING_FOR_ALIAS): Likewise.
	* tree-vect-loop.c (vect_analyze_loop_form): Change "too many BBs" to
	"control flow in loop".
	(vect_estimate_min_profitable_iters): Use
	LOOP_REQUIRES_VERSIONING_FOR_ALIGNMENT and
	LOOP_REQUIRES_VERSIONING_FOR_ALIAS macros.
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise.
	(vect_create_data_ref_ptr): Don't mention array dimension in printing.
	* tree-vect-stmts.c (vectorizable_store): Replace the check that the
	statement belongs to a group of strided accesses with the exact code
	check.
	(vectorizable_load): Likewise.
	* tree-vect-slp.c (vect_analyze_slp_instance): Spell out "basic block".
	(vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.

2009-06-01  Gerald Pfeifer  <gerald@pfeifer.com>

	* config/freebsd-stdint.h: New file.
	* config.gcc (*-*-freebsd): Set use_gcc_stdint=wrap.
	Add freebsd-stdint.h to tm_file.

2009-06-01  Richard Earnshaw  <rearnsha@arm.com>

	* arm/thumb2.md (thumb2_zero_extendhidi2): New insn and split.
	(thumb2_extendhidi2): Likewise.

2009-05-31  Ian Lance Taylor  <iant@google.com>

	* regstat.c (regstat_n_sets_and_refs): Remove duplicate definition.

2009-05-31  Ian Lance Taylor  <iant@google.com>

	* Makefile.in (except.o): Depend upon gt-except.h, not gt-$(EXCEPT_H).
	(ipa-cp.o): Depend upon $(FIBHEAP_H) and $(PARAMS_H).
	(ipa-reference.o): Depend upon gt-ipa-reference.h.

2009-05-31  Jason Merrill  <jason@redhat.com>

	* tree-pretty-print.c (print_call_name): Take the callee, not the
	call itself.  Make non-static.  Use dump_function_name for functions.
	(dump_generic_node): Adjust.
	* diagnostic.h: Declare print_call_name.
	* gimple-pretty-print.c (dump_gimple_call): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.md (ashldi3_std): New define_expand.
	(ashldi3): Use it.

2009-05-31  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/40313
	* config/sh/sh.c: Include debug.h.
	(sh_expand_epilogue): Emit a blockage insn before the frame
	pointer adjustment also when dwarf2out_do_frame returns true.

2009-05-31  Richard Earnshaw  <rearnsha@arm.com>

	* arm/thumb2.md (thumb2_extendsidi2): Add a split sub-pattern.
	(thumb2_extendqidi2): New pattern.

2009-05-31  Ira Rosen  <irar@il.ibm.com>

	* tree-vect-loop-manip.c (slpeel_update_phi_nodes_for_guard1): Don't
	mark phis for renaming.
	* tree-vectorizer.c (vect_memsyms_to_rename): Remove.
	(vectorize_loops): Don't allocate and free vect_memsyms_to_rename.
	Call mark_sym_for_renaming.
	* tree-vectorizer.h (vect_memsyms_to_rename): Remove.
	* tree-vect-loop.c (vect_transform_loop): Remove
	vect_memsyms_to_rename initialization and a call to
	mark_set_for_renaming.

2009-05-31  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40304
	* config/i386/i386.c (pro_epilogue_adjust_stack): Mark insns
	frame related even if !set_cfa && style < 0.

2009-05-30  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw-tls.c: New file.
	* config/i386/t-gthr-win32 (LIB2FUNCS_EXTRA): Add mingw-tls.c file.
	* gthr-win32.h (MINGW32_SUPPORTS_MT_EH): Define it for targets
	defining _WIN32 but not __CYGWIN__.

2009-05-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* configure.ac: Add MPC support.

	* config.in, configure: Regenerate.

2009-05-29  Richard Henderson  <rth@redhat.com>

	* cfgcleanup.c (try_crossjump_to_edge): Only skip past
	NOTE_INSN_BASIC_BLOCK.
	* cfglayout.c (duplicate_insn_chain): Copy epilogue insn marks.
	Duplicate NOTE_INSN_EPILOGUE_BEG notes.
	* cfgrtl.c (can_delete_note_p): Allow NOTE_INSN_EPILOGUE_BEG
	to be deleted.
	* dwarf2out.c (struct cfa_loc): Change indirect field to bitfield,
	add in_use field.
	(add_cfi): Disable check redefining cfa away from drap.
	(lookup_cfa_1): Add remember argument; handle remember/restore.
	(lookup_cfa): Pass remember argument.
	(cfa_remember): New.
	(compute_barrier_args_size_1): Remove sibcall check.
	(dwarf2out_frame_debug_def_cfa): New.
	(dwarf2out_frame_debug_adjust_cfa): New.
	(dwarf2out_frame_debug_cfa_offset): New.
	(dwarf2out_frame_debug_cfa_register): New.
	(dwarf2out_frame_debug_cfa_restore): New.
	(dwarf2out_frame_debug): Handle REG_CFA_* notes.
	(dwarf2out_begin_epilogue): New.
	(dwarf2out_frame_debug_restore_state): New.
	(dw_cfi_oprnd1_desc): Handle DW_CFA_remember_state,
	DW_CFA_restore_state.
	(output_cfi_directive): Likewise.
	(convert_cfa_to_fb_loc_list): Likewise.
	(dw_cfi_oprnd1_desc): Handle DW_CFA_restore.
	* dwarf2out.h: Update.
	* emit-rtl.c (try_split): Don't split RTX_FRAME_RELATED_P.
	(copy_insn_1): Early out for null.
	* final.c (final_scan_insn): Call dwarf2out_begin_epilogue
	and dwarf2out_frame_debug_restore_state.
	* function.c (prologue, epilogue, sibcall_epilogue): Remove.
	(prologue_insn_hash, epilogue_insn_hash): New.
	(free_after_compilation): Adjust freeing accordingly.
	(record_insns): Create hash table if needed; push insns into
	hash instead of array.
	(maybe_copy_epilogue_insn): New.
	(contains): Search hash table instead of array.
	(sibcall_epilogue_contains): Remove.
	(thread_prologue_and_epilogue_insns): Split eh_return insns
	and mark them as epilogues.
	(reposition_prologue_and_epilogue_notes): Rewrite epilogue
	scanning in terms of basic blocks.
	* insn-notes.def (CFA_RESTORE_STATE): New.
	* jump.c (returnjump_p_1): Accept EH_RETURN.
	(eh_returnjump_p_1, eh_returnjump_p): New.
	* reg-notes.def (CFA_DEF_CFA, CFA_ADJUST_CFA, CFA_OFFSET,
	CFA_REGISTER, CFA_RESTORE): New.
	* rtl.def (EH_RETURN): New.
	* rtl.h (eh_returnjump_p, maybe_copy_epilogue_insn): Declare.

	* config/bfin/bfin.md (UNSPEC_VOLATILE_EH_RETURN): Remove.
	(eh_return_internal): Use eh_return rtx; split w/ epilogue.

	* config/i386/i386.c (gen_push): Update cfa state.
	(pro_epilogue_adjust_stack): Add set_cfa argument.  When true,
	add a CFA_ADJUST_CFA note.
	(ix86_dwarf_handle_frame_unspec): Remove.
	(ix86_expand_prologue): Update cfa state.
	(ix86_emit_restore_reg_using_pop): New.
	(ix86_emit_restore_regs_using_pop): New.
	(ix86_emit_leave): New.
	(ix86_emit_restore_regs_using_mov): Add CFA_RESTORE notes.
	(ix86_expand_epilogue): Add notes for unwinding the epilogue.
	* config/i386/i386.h (struct machine_cfa_state): New.
	(ix86_cfa_state): New.
	* config/i386/i386.md (UNSPEC_EH_RETURN): Remove.
	(eh_return_internal): Merge from eh_return_<mode>,
	use eh_return rtx, split w/ epilogue.

2009-05-29  Ian Lance Taylor  <iant@google.com>

	* builtins.c (validate_gimple_arglist): Don't use va_arg with
	enum type.
	* calls.c (emit_library_call_value_1): Likewise.

	* c-typeck.c (c_build_va_arg): New function.
	* c-tree.h (c_build_va_arg): Declare.
	* c-parser.c (c_parser_postfix_expression): Call c_build_va_arg
	instead of build_va_arg.

2009-05-29  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-loop-ivopts.c (strip_offset_1) <MULT_EXPR>: New case.
	(force_expr_to_var_cost) <NEGATE_EXPR>: Likewise.
	(ptr_difference_cost): Use affine combinations to compute it.
	(difference_cost): Likewise.
	(get_computation_cost_at): Compute more accurate cost for addresses
	if the ratio is a multiplier allowed in addresses.
	For non-addresses, consider that an additional offset or symbol is
	added only once.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_decompose_address): Avoid useless
	0 displacement.  Add 0 displacement if base is %[er]bp or %r13.

	* config/i386/i386.md (prefix_data16, prefix_rep): Set to 0 for
	TYPE_SSE{MULADD,4ARG,IADD1,CVT1} by default.
	(prefix_rex): For UNIT_MMX don't imply the prefix by default
	if MODE_DI.
	(prefix_extra): Default to 2 for TYPE_SSE{MULADD,4ARG} and
	to 1 for TYPE_SSE{IADD1,CVT1}.
	(prefix_vex_imm8): Removed.
	(length_vex): Only pass 1 as second argument to
	ix86_attr_length_vex_default if prefix_extra is 0.
	(modrm): For TYPE_INCDEC only set to 0 if not TARGET_64BIT.
	(length): For prefix vex computation use length_immediate
	attribute instead of prefix_vex_imm8.
	(cmpqi_ext_3_insn, cmpqi_ext_3_insn_rex64,
	addqi_ext_1, addqi_ext_1_rex64, *testqi_ext_0, andqi_ext_0,
	*andqi_ext_0_cc, *iorqi_ext_0, *xorqi_ext_0, *xorqi_cc_ext_1,
	*xorqi_cc_ext_1_rex64): Override modrm attribute to 1.
	(extendsidi2_rex64, extendhidi2, extendqidi2, extendhisi2,
	*extendhisi2_zext, extendqihi2, extendqisi2, *extendqisi2_zext): Emit
	a space in between the operands.
	(*anddi_1_rex64, *andsi_1): Likewise.  Override prefix_rex to 1
	if one operand is 0xff and the other one si, di, bp or sp.
	(*andhi_1): Override prefix_rex to 1 if one operand is 0xff and the
	other one si, di, bp or sp.
	(*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Add mode attribute.
	(*ffssi_1, *ffsdi_1, ctzsi2, ctzdi2): Add
	type and mode attributes.
	(*bsr, *bsr_rex64, *bsrhi): Add type attribute.
	(*cmpfp_i_mixed, *cmpfp_iu_mixed): For TYPE_SSECOMI, clear
	prefix_rep attribute and set prefix_data16 attribute iff MODE_DF.
	(*cmpfp_i_sse, *cmpfp_iu_sse): Clear prefix_rep attribute and set
	prefix_data16 attribute iff MODE_DF.
	(*movsi_1): For TYPE_SSEMOV MODE_SI set prefix_data16 attribute.
	(fix_trunc<mode>di_sse): Set prefix_rex attribute.
	(*adddi_4_rex64, *addsi_4): Use const128_operand instead of
	constm128_operand in length_immediate computation.
	(*addhi_4): Likewise.  Fix mode attribute to MODE_HI.
	(anddi_1_rex64): Use movzbl/movzwl instead of movzbq/movzwq.
	(*avx_ashlti3, sse2_ashlti3, *avx_lshrti3, sse2_lshrti3): Set
	length_immediate attribute to 1.
	(x86_fnstsw_1, x86_fnstcw_1, x86_fldcw_1): Fix length attribute.
	(*movdi_1_rex64): Override prefix_rex or prefix_data16 attributes
	for certain alternatives.
	(*movdf_nointeger, *movdf_integer_rex64, *movdf_integer): Override
	prefix_data16 attribute if MODE_V1DF.
	(*avx_setcc<mode>, *sse_setcc<mode>, *sse5_setcc<mode>): Set
	length_immediate to 1.
	(set_got_rex64, set_rip_rex64): Remove length attribute, set
	length_address to 4, set mode attribute to MODE_DI.
	(set_got_offset_rex64): Likewise.  Set length_immediate to 0.
	(fxam<mode>2_i387): Set length attribute to 4.
	(*prefetch_sse, *prefetch_sse_rex, *prefetch_3dnow,
	*prefetch_3dnow_rex): Override length_address attribute.
	(sse4_2_crc32<mode>): Override prefix_data16 and prefix_rex
	attributes.
	* config/i386/predicates.md (ext_QIreg_nomode_operand): New predicate.
	(constm128_operand): Removed.
	* config/i386/i386.c (memory_address_length): For
	disp && !index && !base in 64-bit mode account for SIB byte if
	print_operand_address can't optimize disp32 into disp32(%rip)
	and UNSPEC doesn't imply (%rip) addressing.  Add 1 to length
	for fs: or gs: segment.
	(ix86_attr_length_immediate_default): When checking if shortform
	is possible, truncate immediate to the length of the non-shortened
	immediate.
	(ix86_attr_length_address_default): Ignore MEM_P operands
	with X constraint.
	(ix86_attr_length_vex_default): Only check for DImode on
	GENERAL_REG_P operands.
	* config/i386/sse.md (<sse>_comi, <sse>_ucomi): Clear
	prefix_rep attribute, set prefix_data16 attribute iff MODE_DF.
	(sse_cvttps2pi): Clear prefix_rep attribute.
	(sse2_cvttps2dq, *sse2_cvtpd2dq, sse2_cvtps2pd): Clear prefix_data16
	attribute.
	(*sse2_cvttpd2dq): Don't clear prefix_rep attribute.
	(*avx_ashr<mode>3, ashr<mode>3, *avx_lshr<mode>3, lshr<mode>3,
	*avx_ashl<mode>3, ashl<mode>3): Set length_immediate attribute to 1
	iff operand 2 is const_int_operand.
	(*vec_dupv4si, avx_shufpd256_1, *avx_shufpd_<mode>,
	sse2_shufpd_<mode>): Set length_immediate attribute to 1.
	(sse2_pshufd_1): Likewise.  Set prefix attribute to maybe_vex
	instead of vex.
	(sse2_pshuflw_1, sse2_pshufhw_1): Set length_immediate to 1 and clear
	prefix_data16.
	(sse2_unpckhpd, sse2_unpcklpd, sse2_storehpd, *vec_concatv2df): Set
	prefix_data16 attribute for movlpd and movhpd instructions.
	(sse2_loadhpd, sse2_loadlpd, sse2_movsd): Likewise.  Override
	length_immediate for shufpd instruction.
	(sse2_movntsi, sse3_lddqu): Clear prefix_data16 attribute.
	(avx_cmpp<avxmodesuffixf2c><mode>3,
	avx_cmps<ssemodesuffixf2c><mode>3, *avx_maskcmp<mode>3,
	<sse>_maskcmp<mode>3, <sse>_vmmaskcmp<mode>3,
	avx_shufps256_1, *avx_shufps_<mode>, sse_shufps_<mode>,
	*vec_dupv4sf_avx, *vec_dupv4sf): Set length_immediate attribute to 1.
	(*avx_cvtsi2ssq, *avx_cvtsi2sdq): Set length_vex attribute to 4.
	(sse_cvtsi2ssq, sse2_cvtsi2sdq): Set prefix_rex attribute to 1.
	(sse2_cvtpi2pd, sse_loadlps, sse2_storelpd): Override
	prefix_data16 attribute for the first alternative to 1.
	(*avx_loadlps): Override length_immediate for the first alternative.
	(*vec_concatv2sf_avx): Override length_immediate and prefix_extra
	attributes for second alternative.
	(*vec_concatv2sf_sse4_1): Override length_immediate and
	prefix_data16 attributes for second alternative.
	(*vec_setv4sf_avx, *avx_insertps, vec_extract_lo_<mode>,
	vec_extract_hi_<mode>, vec_extract_lo_v16hi,
	vec_extract_hi_v16hi, vec_extract_lo_v32qi,
	vec_extract_hi_v32qi): Set prefix_extra and length_immediate to 1.
	(*vec_setv4sf_sse4_1, sse4_1_insertps, *sse4_1_extractps): Set
	prefix_data16 and length_immediate to 1.
	(*avx_mulv2siv2di3, *avx_mulv4si3, sse4_2_gtv2di3): Set prefix_extra
	to 1.
	(*avx_<code><mode>3, *avx_eq<mode>3, *avx_gt<mode>3): Set
	prefix_extra attribute for variants that don't have 0f prefix alone.
	(*avx_pinsr<ssevecsize>): Likewise.  Set length_immediate to 1.
	(*sse4_1_pinsrb, *sse2_pinsrw, *sse4_1_pinsrd, *sse4_1_pextrb,
	*sse4_1_pextrb_memory, *sse2_pextrw, *sse4_1_pextrw_memory,
	*sse4_1_pextrd): Set length_immediate to 1.
	(*sse4_1_pinsrd): Likewise.  Set prefix_extra to 1.
	(*sse4_1_pinsrq, *sse4_1_pextrq): Set prefix_rex and length_immediate
	to 1.
	(*vec_extractv2di_1_rex64_avx, *vec_extractv2di_1_rex64,
	*vec_extractv2di_1_avx, *vec_extractv2di_1_sse2): Override
	length_immediate to 1 for second alternative.
	(*vec_concatv2si_avx, *vec_concatv2di_rex64_avx): Override
	prefix_extra and length_immediate attributes for the first
	alternative.
	(vec_concatv2si_sse4_1): Override length_immediate to 1 for the
	first alternative.
	(*vec_concatv2di_rex64_sse4_1): Likewise.  Override prefix_rex
	to 1 for the first and third alternative.
	(*vec_concatv2di_rex64_sse): Override prefix_rex to 1 for the second
	alternative.
	(*sse2_maskmovdqu, *sse2_maskmovdqu_rex64): Override length_vex
	attribute.
	(*sse_sfence, sse2_mfence, sse2_lfence): Override length_address
	attribute to 0.
	(*avx_phaddwv8hi3, *avx_phadddv4si3, *avx_phaddswv8hi3,
	*avx_phsubwv8hi3, *avx_phsubdv4si3, *avx_phsubswv8hi,
	*avx_pmaddubsw128, *avx_pmulhrswv8hi3, *avx_pshufbv16qi3,
	*avx_psign<mode>3): Set prefix_extra attribute to 1.
	(ssse3_phaddwv4hi3, ssse3_phadddv2si3, ssse3_phaddswv4hi3,
	ssse3_phsubwv4hi3, ssse3_phsubdv2si3, ssse3_phsubswv4hi3,
	ssse3_pmaddubsw, *ssse3_pmulhrswv4hi, ssse3_pshufbv8qi3,
	ssse3_psign<mode>3): Override prefix_rex attribute.
	(*avx_palignrti): Override prefix_extra and length_immediate to 1.
	(ssse3_palignrti): Override length_immediate to 1.
	(ssse3_palignrdi): Override length_immediate to 1, override
	prefix_rex attribute.
	(abs<mode>2): Override prefix_rep to 0, override prefix_rex attribute.
	(sse4a_extrqi): Override length_immediate to 2.
	(sse4a_insertqi): Likewise.  Override prefix_data16 to 0.
	(sse4a_insertq): Override prefix_data16 to 0.
	(avx_blendp<avxmodesuffixf2c><avxmodesuffix>,
	avx_blendvp<avxmodesuffixf2c><avxmodesuffix>,
	avx_dpp<avxmodesuffixf2c><avxmodesuffix>, *avx_mpsadbw,
	*avx_pblendvb, *avx_pblendw, avx_roundp<avxmodesuffixf2c>256,
	avx_rounds<avxmodesuffixf2c>256): Override prefix_extra
	and length_immediate to 1.
	(sse4_1_blendp<ssemodesuffixf2c>, sse4_1_dpp<ssemodesuffixf2c>,
	sse4_2_pcmpestr, sse4_2_pcmpestri, sse4_2_pcmpestrm,
	sse4_2_pcmpestr_cconly, sse4_2_pcmpistr, sse4_2_pcmpistri,
	sse4_2_pcmpistrm, sse4_2_pcmpistr_cconly): Override prefix_data16
	and length_immediate to 1.
	(sse4_1_blendvp<ssemodesuffixf2c>): Override prefix_data16 to 1.
	(sse4_1_mpsadbw, sse4_1_pblendw): Override length_immediate to 1.
	(*avx_packusdw, avx_vtestp<avxmodesuffixf2c><avxmodesuffix>,
	avx_ptest256): Override prefix_extra to 1.
	(sse4_1_roundp<ssemodesuffixf2c>, sse4_1_rounds<ssemodesuffixf2c>):
	Override prefix_data16 and length_immediate to 1.
	(sse5_pperm_zero_v16qi_v8hi, sse5_pperm_sign_v16qi_v8hi,
	sse5_pperm_zero_v8hi_v4si, sse5_pperm_sign_v8hi_v4si,
	sse5_pperm_zero_v4si_v2di, sse5_pperm_sign_v4si_v2di,
	sse5_vrotl<mode>3, sse5_ashl<mode>3, sse5_lshl<mode>3): Override
	prefix_data16 to 0 and prefix_extra to 2.
	(sse5_rotl<mode>3, sse5_rotr<mode>3): Override length_immediate to 1.
	(sse5_frcz<mode>2, sse5_vmfrcz<mode>2): Don't override prefix_extra
	attribute.
	(*sse5_vmmaskcmp<mode>3, sse5_com_tf<mode>3,
	sse5_maskcmp<mode>3, sse5_maskcmp<mode>3, sse5_maskcmp_uns<mode>3):
	Override prefix_data16 and prefix_rep to 0, length_immediate to 1
	and prefix_extra to 2.
	(sse5_maskcmp_uns2<mode>3, sse5_pcom_tf<mode>3): Override
	prefix_data16 to 0, length_immediate to 1 and prefix_extra to 2.
	(*avx_aesenc, *avx_aesenclast, *avx_aesdec, *avx_aesdeclast,
	avx_vpermilvar<mode>3,
	avx_vbroadcasts<avxmodesuffixf2c><avxmodesuffix>,
	avx_vbroadcastss256, avx_vbroadcastf128_p<avxmodesuffixf2c>256,
	avx_maskloadp<avxmodesuffixf2c><avxmodesuffix>,
	avx_maskstorep<avxmodesuffixf2c><avxmodesuffix>):
	Override prefix_extra to 1.
	(aeskeygenassist, pclmulqdq): Override length_immediate to 1.
	(*vpclmulqdq, avx_vpermil<mode>, avx_vperm2f128<mode>3,
	vec_set_lo_<mode>, vec_set_hi_<mode>, vec_set_lo_v16hi,
	vec_set_hi_v16hi, vec_set_lo_v32qi, vec_set_hi_v32qi): Override
	prefix_extra and length_immediate to 1.
	(*avx_vzeroall, avx_vzeroupper, avx_vzeroupper_rex64): Override
	modrm to 0.
	(*vec_concat<mode>_avx): Override prefix_extra and length_immediate
	to 1 for the first alternative.
	* config/i386/mmx.md (*mov<mode>_internal_rex64): Override
	prefix_rep, prefix_data16 and/or prefix_rex attributes in certain
	cases.
	(*mov<mode>_internal_avx, *movv2sf_internal_rex64,
	*movv2sf_internal_avx, *movv2sf_internal): Override
	prefix_rep attribute for certain alternatives.
	(*mov<mode>_internal): Override prefix_rep or prefix_data16
	attributes for certain alternatives.
	(*movv2sf_internal_rex64_avx): Override prefix_rep and length_vex
	attributes for certain alternatives.
	(*mmx_addv2sf3, *mmx_subv2sf3, *mmx_mulv2sf3,
	*mmx_<code>v2sf3_finite, *mmx_<code>v2sf3, mmx_rcpv2sf2,
	mmx_rcpit1v2sf3, mmx_rcpit2v2sf3, mmx_rsqrtv2sf2, mmx_rsqit1v2sf3,
	mmx_haddv2sf3, mmx_hsubv2sf3, mmx_addsubv2sf3,
	*mmx_eqv2sf3, mmx_gtv2sf3, mmx_gev2sf3, mmx_pf2id, mmx_pf2iw,
	mmx_pi2fw, mmx_floatv2si2, mmx_pswapdv2sf2, *mmx_pmulhrwv4hi3,
	mmx_pswapdv2si2): Set prefix_extra attribute to 1.
	(mmx_ashr<mode>3, mmx_lshr<mode>3, mmx_ashl<mode>3): Set
	length_immediate to 1 if operand 2 is const_int_operand.
	(*mmx_pinsrw, mmx_pextrw, mmx_pshufw_1, *vec_dupv4hi,
	*vec_extractv2si_1): Set length_immediate attribute to 1.
	(*mmx_uavgv8qi3): Override prefix_extra attribute to 1 if
	using old 3DNOW insn rather than SSE/3DNOW_A.
	(mmx_emms, mmx_femms): Clear modrm attribute.

2009-05-29  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c:  New implementation of SRA.

	* params.def (PARAM_SRA_MAX_STRUCTURE_SIZE): Removed.
	(PARAM_SRA_MAX_STRUCTURE_COUNT): Removed.
	(PARAM_SRA_FIELD_STRUCTURE_RATIO): Removed.
	* params.h (SRA_MAX_STRUCTURE_SIZE): Removed.
	(SRA_MAX_STRUCTURE_COUNT): Removed.
	(SRA_FIELD_STRUCTURE_RATIO): Removed.
	* doc/invoke.texi (sra-max-structure-size): Removed.
	(sra-field-structure-ratio): Removed.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40291
	* builtins.c (expand_builtin_memcmp): Convert len to sizetype
	before expansion.

2009-05-29  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/40101
	* sel-sched-ir.c (get_seqno_by_preds): Allow returning negative
	seqno.	Adjust comment.
	* sel-sched.c (find_seqno_for_bookkeeping): Assert that when
	inserting bookkeeping before a jump, the jump is not scheduled.
	When no positive seqno found, provide a value.  Add comment.

2009-05-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (nonaliasing_component_refs_p): Remove
	short-cutting on the first component.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39958
	* omp-low.c (scan_omp_1_op): Call remap_type on TREE_TYPE
	for trees other than decls/types.

2009-05-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-operands.c (get_expr_operands): Do not handle
	INDIRECT_REFs in the handled-component case.  Remove
	unused get_ref_base_and_extent case.
	* tree-dfa.c (get_ref_base_and_extent): Avoid calling
	tree_low_cst and host_integerp where possible.
	* tree-ssa-structalias.c (equiv_class_label_eq): Check hash
	codes for equivalence.
	* dce.c (find_call_stack_args): Avoid redundant bitmap queries.

2009-05-29  David Billinghurst <billingd@gcc.gnu.org>

	* config.gcc: Add i386/t-fprules-softfp and soft-fp/t-softfp
	to tmake_file for i[34567]86-*-cygwin*.

2009-05-29  Jakub Jelinek  <jakub@redhat.com>

	PR target/40017
	* config/rs6000/rs6000-c.c (_Bool_keyword): New variable.
	(altivec_categorize_keyword, init_vector_keywords,
	rs6000_cpu_cpp_builtins): Define _Bool as conditional macro
	similar to bool.

2009-05-29  Kai Tietz  <kai.tietz@onevision.com>

	* tree.c (handle_dll_attribute): Check if node is
	of kind FUNCTION_DECL for DECL_DECLARED_INLINE_P check.

2009-05-29  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/thumb2.md (thumb2_zero_extendsidi2): Add a split
	component.
	(thumb2_zero_extendqidi2): Likewise.

2009-05-28  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_expand_t_scc): Use gen_xorsi3_movrt
	instead of gen_movrt.
	* config/sh/sh.md (movrt): Remove.

2009-05-28  Steve Ellcey  <sje@cup.hp.com>

	* doc/invoke.texi (IA-64 Options):
	Add -msdata, -mfused-madd, -mno-inline-float-divide,
	-mno-inline-int-divide, -mno-inline-sqrt, -msched-spec-ldc,
	-msched-spec-control-ldc, -msched-prefer-non-data-spec-insns,
	-msched-prefer-non-control-spec-insns,
	-msched-stop-bits-after-every-cycle,
	-msched-count-spec-in-critical-path,
	-msel-sched-dont-check-control-spec, -msched-fp-mem-deps-zero-cost
	-msched-max-memory-insns-hard-limit, -msched-max-memory-insns.
	Remove -mt, -pthread, -msched-ldc, -mno-sched-control-ldc,
	and -msched-spec-verbose.

2009-05-28  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/lib1funcs.asm (__clear_cache): Define if L_clear_cache.
	* config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define to give an
	error if used.
	* config/arm/t-linux-eabi (LIB1ASMFUNCS): Add _clear_cache.

2009-05-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (ao_ref_init): New function.
	(ao_ref_base): Likewise.
	(ao_ref_base_alias_set): Likewise.
	(ao_ref_alias_set): Likewise.
	(refs_may_alias_p_1): Change signature.
	(refs_may_alias_p): Adjust.
	(refs_anti_dependent_p): Likewise.
	(refs_output_dependent_p): Likewise.
	(call_may_clobber_ref_p_1): Change signature.
	(call_may_clobber_ref_p): Adjust.
	(stmt_may_clobber_ref_p_1): New function split out from ...
	(stmt_may_clobber_ref_p): ... here.
	(maybe_skip_until): Adjust signature.
	(get_continuation_for_phi): Likewise.
	(walk_non_aliased_vuses): Likewise.
	* tree-ssa-alias.h (struct ao_ref_s): New structure type.
	(ao_ref_init): Declare.
	(ao_ref_base): Likewise.
	(ao_ref_alias_set): Likewise.
	(stmt_may_clobber_ref_p_1): Likewise.
	(walk_non_aliased_vuses): Adjust.
	* tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): New function.
	(get_ref_from_reference_ops): remove.
	(vn_reference_lookup_2): Adjust signature.
	(vn_reference_lookup_3): Do not re-build trees.  Handle unions.
	(vn_reference_lookup_pieces): Adjust signature, do not re-build trees.
	(vn_reference_lookup): Adjust.
	(vn_reference_insert): Likewise.
	(vn_reference_insert_pieces): Adjust signature.
	(visit_reference_op_call): Adjust.
	* tree-ssa-pre.c (get_expr_type): Simplify.
	(phi_translate_1): Adjust.
	(compute_avail): Likewise.
	(translate_vuse_through_block): Do not re-build trees.
	(value_dies_in_block_x): Likewise.
	* tree-ssa-sccvn.h (struct vn_reference_s): Add type and alias-set
	fields.
	(vn_reference_lookup_pieces): Adjust declaration.
	(vn_reference_insert_pieces): Likewise.

2009-05-28  Benjamin Kosnik  <bkoz@redhat.com>

	* tree-ssa-copy.c (replace_exp_1): Move op for warning-free use
	with checking disabled.

2009-05-28  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/37216

	* configure.ac (HAVE_GAS_ALIGNED_COMM):  Add autoconf test and
	macro definition for support of three-operand format aligned
	.comm directive in assembler on cygwin/pe/mingw target OS.
	* configure:  Regenerate.
	* config.h:  Regenerate.

	* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common):  Use
	aligned form of .comm directive if -mpe-aligned-commons is in effect.
	* config/i386/cygming.opt (-mpe-aligned-commons):  Add new option.

	* doc/invoke.texi (-mpe-aligned-commons):  Document new target option.
	* doc/tm.texi (ASM_OUTPUT_COMMON):  Document zero size commons.

2009-05-28  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40254
	* tree-data-ref.c (dr_analyze_innermost): Take POFFSET into account
	in analysis of basic blocks.

2009-05-28  Adam Nemet  <anemet@caviumnetworks.com>

	PR middle-end/33699
	* target.h (struct gcc_target): Fix indentation.  Add const_anchor.
	* target-def.h (TARGET_CONST_ANCHOR): New macro.
	(TARGET_INITIALIZER): Use it.
	* cse.c (CHEAPER): Move it up to the other macros.
	(insert): Rename this ...
	(insert_with_costs): ... to this.  Add cost parameters.  Update
	function comment.
	(insert): New function.  Call insert_with_costs.
	(compute_const_anchors, insert_const_anchor, insert_const_anchors,
	find_reg_offset_for_const, try_const_anchors): New functions.
	(cse_insn): Call try_const_anchors.  Adjust cost of src_related
	when using a const-anchor.  Call insert_const_anchors.
	* config/mips/mips.c (mips_set_mips16_mode): Set targetm.const_anchor.
	* doc/tm.texi (Misc): Document TARGET_CONST_ANCHOR.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

	* tree-inline.c (remap_decls): Enable nonlocalized variables
	when not optimizing.

2009-05-28  Alexandre Oliva  <aoliva@redhat.com>

	* tree-ssa-live.c (remove_unused_locals): Skip when not optimizing.
	Simplify other tests involving optimize.

2009-05-27  Tom Tromey  <tromey@redhat.com>

	* unwind-dw2.c (_Unwind_DebugHook): New function.
	(uw_install_context): Call _Unwind_DebugHook.

2009-05-27  Tom Tromey  <tromey@redhat.com>

	* system.h (CONST_CAST2): Use C++ const_cast when compiled as C++

2009-05-27  Ian Lance Taylor  <iant@google.com>

	* Makefile.in (LINKER, LINKER_FLAGS): Define.
	(LINKER_FOR_BUILD, BUILD_LINKERFLAGS): Define.
	(ALL_LINKERFLAGS): Define.
	(xgcc$(exeext)): Change $(COMPILER) to $(LINKER).
	(cpp$(exeext), cc1-dummy$(exeext), cc1$(exeext)): Likewise.
	(collect2$(exeext), mips-tfile, mips-tdump): Likewise.
	(gcov$(exeext), gcov-dump$(exeext)): Likewise.
	(build/gen%$(build_exeext)): Change $(COMPILER_FOR_BUILD) to
	$(LINKER_FOR_BUILD).
	(build/gcov-iov$(build_exeext)): Likewise.

2009-05-27  Julian Brown  <julian@codesourcery.com>

	* gcse.c (target.h): Include.
	(can_assign_to_reg_without_clobbers_p): Check that the target allows
	copy of argument to a pseudo register.

2009-05-27  Diego Novillo  <dnovillo@google.com>

	* tree-ssa-live.c (dump_scope_block): Document arguments.
	(dump_scope_blocks): Document.
	(debug_scope_blocks): New.
	* tree-flow.h (debug_scope_blocks): Declare.

2009-05-21  Denis Chertykov  <denisc@overta.ru>

	* doc/contrib.texi (Contributors): Add myself to the list.

2009-05-27  Olivier Hainque  <hainque@adacore.com>

	* expr.c (target_align): New function.  Alignment the TARGET of an
	assignment may be assume to have.
	(highest_pow2_factor_for_target): Use it instead of relying on
	immediate tree attributes of TARGET, not necessarily honored when
	intermediate bitfields are involved.

2009-05-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/40266
	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	AVX, SSE4, AES, PCLMUL and POPCNT.

2009-05-27  Diego Novillo  <dnovillo@google.com>

	* tree-pretty-print.c (dump_location): New.
	(dump_generic_node): Call it.
	Factor code to handle BLOCK nodes ...
	(dump_block_node): ... here.

2009-05-27  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (GCC_PLUGIN_H): New. Replace all uses of gcc-plugin.h
	with it.
	* doc/plugins.texi: Document that gcc-plugin.h must be the first to be
	included.
	* gcc-plugin.h: Include config.h and system.h.
	(IN_GCC): Define if not defined.

2009-05-27  Hans-Peter Nilsson  <hp@axis.com>

	PR middle-end/40249
	* Makefile.in (CRTSTUFF_CFLAGS): Replace -fno-inline-functions
	with -fno-inline.

2009-05-27  Shujing Zhao  <pearly.zhao@oracle.com>

	* config/m32r/m32r.c: Use REG_P, MEM_P and CONST_INT_P where
	applicable.
	* config/m32r/m32r.h: Ditto.
	* config/m32r/m32r.md: Ditto.
	* config/m32r/predicates.md: Ditto.

2009-05-27  Alexandre Oliva  <aoliva@redhat.com>

	* cgraph.c (dump_cgraph_node): Honor -fdump-noaddr.

2009-05-26  Basile Starynkevitch  <basile@starynkevitch.net>

	* doc/plugins.texi
	(Loading plugins): typo.
	(Plugin callbacks): Documented PLUGIN_INFO, PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
	(Interacting with the GCC Garbage Collector): Added new section.
	(Giving information about a plugin): Added new section for
	PLUGIN_INFO.
	* ggc.h (ggc_register_root_tab): Added declaration.
	* gcc-plugin.h (PLUGIN_GGC_START, PLUGIN_GGC_MARKING)
	(PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS): Added new events.
	(register_callback): Improved comment in declaration.
	* ggc-common.c (const_ggc_root_tab_t) Added new typedef for vectors.
	(extra_root_vec) Added static variable for dynamic roots registration.
	(ggc_register_root_tab) Added new routine.
	(ggc_mark_roots) Added iteration inside extra_root_vec, and invoke
	PLUGIN_GGC_MARKING event.
	* ggc-zone.c: Include plugin.h.
	(ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
	* ggc-page.c: Include plugin.h.
	(ggc_collect): Invoke PLUGIN_GGC_START & PLUGIN_GGC_END events.
	* plugin.c (plugin_event_name): added names of PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS
	(register_callback): check lack of callbacks for
	pseudo-events. Added handling of PLUGIN_REGISTER_GGC_ROOTS,
	PLUGIN_GGC_START, PLUGIN_GGC_MARKING, PLUGIN_GGC_END.
	(invoke_plugin_callbacks): Handle PLUGIN_GGC_START,
	PLUGIN_GGC_MARKING, PLUGIN_GGC_END, PLUGIN_REGISTER_GGC_ROOTS.
	* Makefile.in (ggc-common.o, ggc-zone.o, ggc-page.o): Added
	dependency on plugin.h.
	(plugin.o): Added dependency on ggc.h...

2009-05-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40248
	Revert
	* expr.c (expand_expr_real_1): Avoid calling do_store_flag
	with mismatched comparison modes.

	* expr.c (expand_expr_real_1): Expand the operand of a
	VIEW_CONVERT_EXPR in its natural mode.

2009-05-26  Ian Lance Taylor  <iant@google.com>

	* Makefile.in (COMPILER, COMPILER_FLAGS): Define.
	(COMPILER_FOR_BUILD, BUILD_COMPILERFLAGS): Define.
	(ALL_COMPILERFLAGS): Define.
	(.c.o, xgcc$(exeext), cpp$(exeext)): Use $(COMPILER).
	(cc1-dummy$(exeext), cc1$(exeext)): Likewise.
	(collect2$(exeext), collect2.o): Likewise.
	(c-opts.o, c-cppbuiltin.o, c-pch.o, gcc.o, gccspec.o): Likewise.
	(gcc-options.o, version.o, prefix.o, toplev.o): Likewise.
	($(out_object_file), mips-tfile, mips-tdump): Likewise.
	(libbackend.o, intl.o, cppdefault.o): Likewise.
	(gcov$(exeext), gcov-dump$(exeext)): Likewise.
	(build/%.o): Use $(COMPILER_FOR_BUILD).
	(build/gen%$(build_exeext)): Likewise.
	(build/gcov-iov$(build_exeext)): LIkewise.
	* config/t-darwin (darwin.o): Use $(COMPILER).
	(darwin-c.o, darwin-f.o, darwin-driver.o): Likewise.
	* config/t-sol2 (sol2-c.o): Likewise.
	(sol2.o): Likewise.
	* config/t-vxworks (vxworks.o): Likewise.
	* config/x-darwin (host-darwin.o): Likewise.
	* config/x-hpux (host-hpux.o): Likewise.
	* config/x-linux (host-linux.o): Likewise.
	* config/x-solaris (host-solaris.o): Likewise.
	* config/alpha/x-alpha (driver-alpha.o): Likewise.
	* config/arm/t-arm (arm-c.o): Likewise.
	* config/arm/t-pe (pe.o): Likewise.
	* config/arm/t-wince-pe (pe.o): Likewise.
	* config/i386/t-cygming (winnt.o): Likewise.
	(winnt-cxx.o, winnt-stubs.o, msformat-c.o): Likewise.
	* config/i386/t-cygwin (cygwin1.o): Likewise.
	(cygwin2.o): Likewise.
	* config/i386/t-i386 (i386-c.o): Likewise.
	* config/i386/t-interix (winnt.o): Likewise.
	* config/i386/t-netware (netware.o): Likewise.
	* config/i386/t-nwld (nwld.o): Likewise.
	* config/i386/x-darwin (host-i386-darwin.o): Likewise.
	* config/i386/x-i386 (driver-i386.o): Likewise.
	* config/i386/x-cygwin (host-cygwin.o): Likewise.
	* config/i386/x-mingw32 (host-mingw32.o): Likewise.
	* config/ia64/t-ia64 (ia64-c.o): Likewise.
	* config/m32c/t-m32c (m32c-pragma.o): Likewise.
	* config/mips/x-native (driver-native.o): Likewise.
	* config/rs6000/t-rs6000 (rs6000-c.o): Likewise.
	* config/rs6000/x-darwin (host-ppc-darwin.o): Likewise.
	* config/rs6000/x-darwin64 (host-ppc64-darwin.o): Likewise.
	* config/rs6000/x-rs6000 (driver-rs6000.o): Likewise.
	* config/score/t-score-elf (score7.o): Likewise.
	(score3.o): Likewise.
	* config/sh/t-sh (sh-c.o): Likewise.
	* config/sh/t-symbian (sh-c.o): Likewise.
	(symbian.o): Likewise.
	* config/spu/t-spu-elf (spu-c.o): Likewise.
	* config/v850/t-v850 (v850-c.o): Likewise.
	* config/v850/t-v850e (v850-c.o): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40122
	* tree-ssa-ccp.c (ccp_fold): Fold vector CONSTRUCTORs to
	VECTOR_CSTs if possible.
	(fold_gimple_assign): Likewise.

2009-05-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40252
	* fold-const.c (fold_binary): Use the correct types for building
	rotates.

2009-05-26  Richard Guenther  <rguenther@suse.de>

	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove
	redundant calls to merge_alias_info.
	(bump_vector_ptr): Likewise.
	* tree-ssa-copy.c (merge_alias_info): Remove.
	(replace_exp_1): Remove call to merge_alias_info.
	(propagate_tree_value): Likewise.
	(fini_copy_prop): Propagate points-to info.
	* tree-flow.h (merge_alias_info): Remove.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

	* config/picochip/picochip.C (PARAM_INLINE_CALL_COST): Remove.

2009-05-25  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Dump size/time/benefit.
	* cgraph.h (struct inline_summary): New filed self_wize,
	size_inlining_benefit, self_time and time_inlining_benefit.
	(struct cgraph_global_info): Replace insns by time ans size fields.
	* ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
	(ipcp_estimate_growth, ipcp_insert_stage): Likewise.
	(ipcp_update_callgraph): Do not touch function bodies.
	* ipa-inline.c: Include except.h
	(MAX_TIME): New constant.
	(overall_insns): Remove.
	(leaf_node_p): New.
	(overall_size, max_benefit): New static variables.
	(cgraph_estimate_time_after_inlining): New function.
	(cgraph_estimate_size_after_inlining): Rewrite using benefits.
	(cgraph_clone_inlined_nodes): Update size.
	(cgraph_mark_inline_edge): Update size.
	(cgraph_estimate_growth): Use size info.
	(cgraph_check_inline_limits): Check size.
	(cgraph_default_inline_p): Likewise.
	(cgraph_edge_badness): Compute badness based on benefit and size cost.
	(cgraph_decide_recursive_inlining): Check size.
	(cgraph_decide_inlining_of_small_function): Update size; dump sizes
	and times.
	(cgraph_decide_inlining): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise; honor
	PARAM_EARLY_INLINING_INSNS.
	(likely_eliminated_by_inlining_p): New predicate.
	(estimate_function_body_sizes): New function.
	(compute_inline_parameters): Use it.
	* except.c (must_not_throw_labels): New function.
	* except.h (must_not_throw_labels): Declare.
	* tree-inline.c (init_inline_once): Kill inlining_weigths
	* tree-ssa-structalias.c: Avoid uninitialized warning.
	* params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
	(PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
	(PARAM_INLINE_CALL_COST): Remove.
	(PARAM_EARLY_INLINING_INSNS): New.

2009-05-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/36327
	* tree-ssa-alias.c (walk_non_aliased_vuses): Add second walker
	callback for reference translation or lookup at the point of may-defs.
	* tree-ssa-alias.h (walk_non_aliased_vuses): Adjust prototype.
	* tree-ssa-sccvn.c (get_ref_from_reference_ops): Bail out
	for union COMPONENT_REFs.
	(vn_reference_lookup_3): New callback.  Lookup from memset
	and CONSTRUCTOR assignment, translate through struct copies.
	(vn_reference_lookup_pieces): Make sure to not free the
	passed operands array.  Adjust walk_non_aliased_vuses call.
	(vn_reference_lookup): Adjust walk_non_aliased_vuses call,
	make sure we do not leak memory.

2009-05-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.h (dump_points_to_solution): Declare.
	* tree-inline.c (expand_call_inline): Reset the escaped and
	callused solutions.
	* tree-ssa-structalias.c (pass_build_ealias): New.
	* tree-pass.h (pass_build_ealias): Declare.
	* passes.c (init_optimization_passes): Add PTA during
	early optimizations.
	* tree-ssa-alias.c (dump_alias_info): Dump the ESCAPED
	and CALLUSED solutions.
	(dump_points_to_solution): New function, split out from ...
	(dump_points_to_info_for): ... here.
	* tree-parloops.c (parallelize_loops): Reset the escaped and
	callused solutions.

2009-05-25  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	PR bootstrap/40027
	* config/i386/i386.c (USE_HIDDEN_LINKONCE): Only define if missing.
	* config/i386/sol2.h [!TARGET_GNU_LD] (USE_HIDDEN_LINKONCE): Define.

2009-05-25  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40238
	* tree-vect-stmts.c (vect_init_vector): Insert initialization
	statements after basic block's labels.
	* tree-vect-slp.c (vect_slp_transform_bb): Call destroy_bb_vec_info()
	to free the allocated memory.

2009-05-24  Kaz Kojima  <kkojima@gcc.gnu.org>

	* gcc/config/sh/sh.c (sh_set_return_address): Mark store of
	return address with a USE.

2009-05-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40233
	* tree.c (make_vector_type): Build the TYPE_DEBUG_REPRESENTATION_TYPEs
	array type from the main variant of the inner type.

2009-05-24  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* config/vax/vax-protos.h (legitimate_constant_address_p): Change
	definition to bool (from int) to un-break build.
	(legitimate_constant_p, vax_mode_dependent_address_p): Likewise.

2009-05-24  Paolo Bonzini  <bonzini@gnu.org>

	* tree-ssa-operands.h (push_stmt_changes, pop_stmt_changes,
	discard_stmt_changes): Delete.
	* tree-ssa-operands.c (scb_stack): Delete.
	(init_ssa_operands): Do not initialize it.
	(fini_ssa_operands): Do not free it.
	(push_stmt_changes, pop_stmt_changes, discard_stmt_changes): Delete.

	* tree-cfg.c (replace_uses_by): Replace pop_stmt_changes with
	update_stmt, remove the others.  Fix comments.
	* tree-dfa.c (optimize_stack_restore): Likewise.
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Likewise.
	* tree-ssa-loop-ivopts.c (rewrite_use): Likewise.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
	* tree-ssa-ccp.c (optimize_stack_restore, execute_fold_all_builtins):
	Likewise.
	* tree-ssa-propagate.c (substitute_and_fold): Likewise.
	* tree-ssa-dom.c (propagate_rhs_into_lhs): Likewise.
	(dom_opt_finalize_block): Likewise, adjusting access to
	stmts_to_rescan.
	(optimize_stmt): Likewise, adjusting access to stmts_to_rescan.
	(stmts_to_rescan): Change item type to gimple.
	(tree_ssa_dominator_optimize): Change type of stmts_to_rescan.

2009-05-24  Ira Rosen  <irar@il.ibm.com>

	* doc/passes.texi (Tree-SSA passes): Document SLP pass.
	* tree-pass.h (pass_slp_vectorize): New pass.
	* params.h (SLP_MAX_INSNS_IN_BB): Define.
	* timevar.def (TV_TREE_SLP_VECTORIZATION): Define.
	* tree-vectorizer.c (timevar.h): Include.
	(user_vect_verbosity_level): Declare.
	(vect_location): Fix comment.
	(vect_set_verbosity_level): Update user_vect_verbosity_level
	instead of vect_verbosity_level.
	(vect_set_dump_settings): Add an argument. Ignore user defined
	verbosity if dump flags require higher level of verbosity. Print to
	stderr only for loop vectorization.
	(vectorize_loops): Update call to vect_set_dump_settings.
	(execute_vect_slp): New function.
	(gate_vect_slp): Likewise.
	(struct gimple_opt_pass pass_slp_vectorize): New.
	* tree-vectorizer.h (struct _bb_vec_info): Define along macros to
	access its members.
	(vec_info_for_bb): New function.
	(struct _stmt_vec_info): Add bb_vinfo and a macro for its access.
	(VECTORIZATION_ENABLED): New macro.
	(SLP_ENABLED, SLP_DISABLED): Likewise.
	(vect_is_simple_use): Add bb_vec_info argument.
	(new_stmt_vec_info, vect_analyze_data_ref_dependences,
	vect_analyze_data_refs_alignment, vect_verify_datarefs_alignment,
	vect_analyze_data_ref_accesses, vect_analyze_data_refs,
	vect_schedule_slp, vect_analyze_slp): Likewise.
	(vect_analyze_stmt): Add slp_tree argument.
	(find_bb_location): Declare.
	(vect_slp_analyze_bb, vect_slp_transform_bb): Likewise.
	* tree-vect-loop.c (new_loop_vec_info): Adjust function calls.
	(vect_analyze_loop_operations, vect_analyze_loop,
	get_initial_def_for_induction, vect_create_epilog_for_reduction,
	vect_finalize_reduction, vectorizable_reduction,
	vectorizable_live_operation, vect_transform_loop): Likewise.
	* tree-data-ref.c (dr_analyze_innermost): Update comment,
	skip evolution analysis if analyzing a basic block.
	(dr_analyze_indices): Likewise.
	(initialize_data_dependence_relation): Skip the test whether the
	object is invariant for basic blocks.
	(compute_all_dependences): Skip dependence analysis for data
	references in basic blocks.
	(find_data_references_in_stmt): Don't fail in case of invariant
	access in basic block.
	(find_data_references_in_bb): New function.
	(find_data_references_in_loop): Move code to
	find_data_references_in_bb and add a call to it.
	(compute_data_dependences_for_bb): New function.
	* tree-data-ref.h (compute_data_dependences_for_bb): Declare.
	* tree-vect-data-refs.c (vect_check_interleaving): Adjust to the case
	that STEP is 0.
	(vect_analyze_data_ref_dependence): Check for interleaving in case of
	unknown dependence in basic block and fail in case of dependence in
	basic block.
	(vect_analyze_data_ref_dependences): Add bb_vinfo argument, get data
	dependence instances from either loop or basic block vectorization
	info.
	(vect_compute_data_ref_alignment): Check if it is loop vectorization
	before calling nested_in_vect_loop_p.
	(vect_compute_data_refs_alignment): Add bb_vinfo argument, get data
	dependence instances from either loop or basic block vectorization
	info.
	(vect_verify_datarefs_alignment): Likewise.
	(vect_enhance_data_refs_alignment): Adjust function calls.
	(vect_analyze_data_refs_alignment): Likewise.
	(vect_analyze_group_access): Fix printing. Skip different checks if
	DR_STEP is 0. Keep strided stores either in loop or basic block
	vectorization data structure. Fix indentation.
	(vect_analyze_data_ref_access): Fix comments, allow zero step in
	basic blocks.
	(vect_analyze_data_ref_accesses): Add bb_vinfo argument, get data
	dependence instances from either loop or basic block vectorization
	info.
	(vect_analyze_data_refs): Update comment. Call
	compute_data_dependences_for_bb to analyze basic blocks.
	(vect_create_addr_base_for_vector_ref): Check for outer loop only in
	case of loop vectorization. In case of basic block vectorization use
	data-ref itself as a base.
	(vect_create_data_ref_ptr): In case of basic block vectorization:
	don't advance the pointer, add new statements before the current
	statement.  Adjust function calls.
	(vect_supportable_dr_alignment): Support only aligned accesses in
	basic block vectorization.
	* common.opt (ftree-slp-vectorize): New flag.
	* tree-vect-patterns.c (widened_name_p): Adjust function calls.
	(vect_pattern_recog_1): Likewise.
	* tree-vect-stmts.c (process_use): Likewise.
	(vect_init_vector): Add new statements in the beginning of the basic
	block in case of basic block SLP.
	(vect_get_vec_def_for_operand): Adjust function calls.
	(vect_finish_stmt_generation): Likewise.
	(vectorizable_call): Add assert that it is loop vectorization, adjust
	function calls.
	(vectorizable_conversion, vectorizable_assignment): Likewise.
	(vectorizable_operation): In case of basic block SLP, take
	vectorization factor from statement's type and skip the relevance
	check. Adjust function calls.
	(vectorizable_type_demotion): Add assert that it is loop
	vectorization, adjust function calls.
	(vectorizable_type_promotion): Likewise.
	(vectorizable_store): Check for outer loop only in case of loop
	vectorization. Adjust function calls. For basic blocks, skip the
	relevance check and don't advance pointers.
	(vectorizable_load): Likewise.
	(vectorizable_condition): Add assert that it is loop vectorization,
	adjust function calls.
	(vect_analyze_stmt): Add argument. In case of basic block SLP, check
	that it is not reduction, get vector type, call only supported
	functions, skip loop specific parts.
	(vect_transform_stmt): Check for outer loop only in case of loop
	vectorization.
	(new_stmt_vec_info): Add new argument and initialize bb_vinfo.
	(vect_is_simple_use): Fix comment, add new argument, fix conditions
	for external definition.
	* passes.c (pass_slp_vectorize): New pass.
	* tree-vect-slp.c (find_bb_location): New function.
	(vect_get_and_check_slp_defs): Add argument, adjust function calls,
	check for patterns only in loops.
	(vect_build_slp_tree): Add argument, adjust function calls, fail in
	case of multiple types in basic block SLP.
	(vect_mark_slp_stmts_relevant): New function.
	(vect_supported_load_permutation_p): Fix comment.
	(vect_analyze_slp_instance): Add argument. In case of basic block
	SLP, take vectorization factor from statement's type, check that
	unrolling factor is 1. Adjust function call. Save SLP instance in
	either loop or basic block vectorization structure. Return FALSE,
	if SLP failed.
	(vect_analyze_slp): Add argument. Get strided stores groups from
	either loop or basic block vectorization structure. Return FALSE
	if basic block SLP failed.
	(new_bb_vec_info): New function.
	(destroy_bb_vec_info, vect_slp_analyze_node_operations,
	vect_slp_analyze_operations, vect_slp_analyze_bb): Likewise.
	(vect_schedule_slp): Add argument. Get SLP instances from either
	loop or basic block vectorization structure. Set vectorization factor
	to be 1 for basic block SLP.
	(vect_slp_transform_bb): New function.
	* params.def (PARAM_SLP_MAX_INSNS_IN_BB): Define.

2009-05-23  Mark Mitchell  <mark@codesourcery.com>

	* final.c (shorten_branches): Do not align labels for jump tables.
	(final_scan_insn): Use JUMP_TABLE_DATA_P.

2009-05-23  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/passes.texi: Standardize spelling of RTL, Tree and Tree SSA.
	Remove outdated reference to flow.c and fix nits.
	* doc/gccint.texi: Tweak RTL description.
	* doc/rtl.texi: Likewise.

2009-05-23  Denis Chertykov  <chertykov@gmail.com>

	* config/avr/avr.c: Change my email address.
	* config/avr/avr.h: Likewise.
	* config/avr/avr.md: Likewise.
	* config/avr/avr-protos.h: Likewise.
	* config/avr/libgcc.S: Likewise.

2009-05-22  Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

	* config/spu/spu-protos.h (aligned_mem_p, spu_valid_mov): Remove.
	(spu_split_load, spu_split_store): Change return type to int.
	(spu_split_convert): Declare.
	* config/spu/predicates.md (spu_mem_operand): Remove.
	(spu_mov_operand): Update.
	(spu_dest_operand, shiftrt_operator, extend_operator): Define.
	* config/spu/spu.c (regno_aligned_for_load): Remove.
	(reg_aligned_for_addr, spu_expand_load): Define.
	(spu_expand_extv): Reimplement and handle MEM.
	(spu_expand_insv): Handle MEM.
	(spu_sched_reorder): Handle insn's with length 0.
	(spu_legitimate_address_p): Reimplement.
	(store_with_one_insn_p): Return TRUE for any mode with size
	larger than 16 bytes.
	(address_needs_split): Define.
	(spu_expand_mov): Call spu_split_load and spu_split_store for MEM
	operands.
	(spu_convert_move): Define.
	(spu_split_load): Use spu_expand_load and change all MEM's to TImode.
	(spu_split_store): Change all MEM's to TImode.
	(spu_init_expanders): Preallocate registers that correspond to
	LAST_VIRTUAL_REG+1 and LAST_VIRTUAL_REG+2 and set them with
	mark_reg_pointer.
	(spu_split_convert): Define.
	* config/spu/spu.md (QHSI, QHSDI): New mode iterators.
	(_move<mode>, _movdi, _movti): Update predicate and condition.
	(load, store): Change to define_split.
	(extendqiti2, extendhiti2, extendsiti2, extendditi2): Simplify to
	extend<mode>ti2.
	(zero_extendqiti2, zero_extendhiti2, <v>lshr<mode>3_imm): Define.
	(lshr<mode>3, lshr<mode>3_imm, lshr<mode>3_re): Simplify to one
	define_insn_and_split of lshr<mode>3.
	(shrqbybi_<mode>, shrqby_<mode>): Simplify to define_expand.
	(<v>ashr<mode>3_imm): Define.
	(extv, extzv, insv): Allow MEM operands.
	(trunc_shr_ti<mode>, trunc_shr_tidi, shl_ext_<mode>ti,
	shl_ext_diti, sext_trunc_lshr_tiqisi, zext_trunc_lshr_tiqisi,
	sext_trunc_lshr_tihisi, zext_trunc_lshr_tihisi): Define for combine.
	(_spu_convert2): Change to define_insn_and_split and remove the
	corresponding define_peephole2.
	(stack_protect_set, stack_protect_test, stack_protect_test_si):
	Change predicates to memory_operand.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/thumb2.md: Add 16-bit multiply instructions.

2009-05-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR tree-optimization/40219
	* tree.c (iterative_hash_expr): Make sure the builtin function is
	a normal builtin function and not a front end or back end builtin
	before indexing into the built_in_decls array.

2009-05-22  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38964
	* alias.c (write_dependence_p): Do not use TBAA for answering
	anti-dependence or output-dependence.
	* tree-ssa-structalias.c (set_uids_in_ptset): Remove TBAA pruning code.
	(emit_pointer_definition): Remove.
	(emit_alias_warning): Likewise.
	(find_what_var_points_to): Remove TBAA pruning code.
	(find_what_p_points_to): Likewise.  Do not warn about strict-aliasing
	violations.
	(compute_points_to_sets): Remove code computing the set of
	dereferenced pointers.
	* tree-data-ref.c (dr_may_alias_p): Properly use the split
	oracle for querying anti and output dependencies.
	* tree-ssa-alias.c (refs_may_alias_p_1): Add argument specifying
	if TBAA may be applied.
	(refs_anti_dependent_p): New function.
	(refs_output_dependent_p): Likewise.
	* tree-ssa-alias.h (refs_anti_dependent_p): Declare.
	(refs_output_dependent_p): Likewise.
	* doc/tree-ssa.texi (Memory model): New section.
	* doc/c-tree.texi (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
	* doc/gimple.texi (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
	* cfgexpand.c (expand_gimple_basic_block): Do not handle
	GIMPLE_CHANGE_DYNAMIC_TYPE or CHANGE_DYNAMIC_TYPE_EXPR.
	* expr.c (expand_expr_real_1): Likewise.
	* gimple-low.c (lower_stmt): Likewise.
	* gimple-pretty-print.c (dump_gimple_stmt): Likewise.
	(dump_gimple_cdt): Remove.
	* gimple.c (gss_for_code): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
	(gimple_size): Likewise.
	(walk_gimple_op): Likewise.
	(is_gimple_stmt): Likewise.
	(walk_stmt_load_store_addr_ops): Likewise.
	(gimple_build_cdt): Remove.
	* gimple.def (GIMPLE_CHANGE_DYNAMIC_TYPE): Remove.
	* gimple.h (gimple_cdt_new_type): Remove.
	(gimple_cdt_new_type_ptr): Likewise.
	(gimple_cdt_set_new_type): Likewise.
	(gimple_cdt_location): Likewise.
	(gimple_cdt_location_ptr): Likewise.
	(gimple_cdt_set_location): Likewise.
	* gimplify.c (gimplify_expr): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
	* tree-cfg.c (remove_useless_stmts_1): Do not handle
	GIMPLE_CHANGE_DYNAMIC_TYPE.
	(verify_types_in_gimple_stmt): Likewise.
	* tree-inline.c (estimate_num_insns): Likewise.
	(expand_call_inline): Do not copy DECL_NO_TBAA_P.
	(copy_decl_to_var): Likewise.
	(copy_result_decl_to_var): Likewise.
	* tree-pretty-print.c (dump_generic_node): Do not handle
	CHANGE_DYNAMIC_TYPE_EXPR.
	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
	* tree-ssa-operands.c (get_expr_operands): Likewise.
	* tree-ssa-structalias.c (struct variable_info): Remove
	no_tbaa_pruning member.
	(new_var_info): Do not set it based on DECL_NO_TBAA_P.
	(unify_nodes): Do not copy it.
	(find_func_aliases): Do not handle GIMPLE_CHANGE_DYNAMIC_TYPE.
	(dump_solution_for_var): Do not dump no_tbaa_pruning state.
	(set_uids_in_ptset): Do not check it.
	(find_what_var_points_to): Likewise.
	(compute_tbaa_pruning): Remove.
	(compute_points_to_sets): Do not call it.
	* tree.c (walk_tree_1): Do not handle CHANGE_DYNAMIC_TYPE_EXPR.
	* tree.def (CHANGE_DYNAMIC_TYPE_EXPR): Remove.
	* tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Remove.
	(CHANGE_DYNAMIC_TYPE_LOCATION): Likewise.
	(DECL_NO_TBAA_P): Likewise.
	(struct tree_decl_common): Move no_tbaa_flag to unused flags section.
	* omp-low.c (copy_var_decl): Do not copy DECL_NO_TBAA_P.
	(expand_omp_atomic_pipeline): Do not set it.
	* print-tree.c (print_node): Do not dump it.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
	redundant check.

2009-05-22 Vladimir Makarov <vmakarov@redhat.com>

	PR target/39856
	* reg-stack.c (subst_stack_regs_pat): Remove gcc_assert for note
	for clobber.

2009-05-22  Mark Mitchell  <mark@codesourcery.com>

	* tree.c (handle_dll_attribute): Mark dllexport'd inlines as
	non-external.

2009-05-22  Ben Elliston  <bje@au.ibm.com>

	* Makefile.in (bversion.h, s-bversion): New targets.
	(TOPLEV_H): Add bversion.h.
	* toplev.h: Include "bversion.h".
	(ATTRIBUTE_GCC_DIAG): When building with checking disabled, use
	the __format__ attribute only if compiling with the same version
	of GCC as the sources (the "build version").

2009-05-22  Ben Elliston  <bje@au.ibm.com>

	* c-format.c (handle_format_attribute): Fix comment typo.

2009-05-21  Steve Ellcey  <sje@cup.hp.com>

	PR target/37846
	* config/ia64/ia64.opt (mfused-madd): New.
	* config/ia64/ia64.h (TARGET_DEFAULT): Set MASK_FUSED_MADD.
	* config/ia64/hpux.h (TARGET_DEFAULT): Ditto.
	* config/ia64/ia64.md (maddsf4, msubsf4, nmaddsf4,
	madddf4, madddf4_trunc, msubdf4, msubdf4_trunc, nmadddf4,
	nmadddf4_truncsf, maddxf4, maddxf4_truncsf, maddxf4_truncdf,
	msubxf4, msubxf4_truncsf msubxf4_truncdf, nmaddxf4,
	nmaddxf4_truncsf, nmaddxf4_truncdf): Check TARGET_FUSED_MADD.
	* config/ia64/vect.md (addv2sf3, subv2sf3): Force fpma/fpms
	instruction if !TARGET_FUSED_MADD.
	(fpma, fpms): Remove colon from name.

2009-05-22  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Record
	TMR_ORIGINAL.  Always either record TMR_SYMBOL or TMR_BASE.
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Handle
	TARGET_MEM_REF.
	(create_expression_by_pieces): Only convert if necessary.
	* gimplify.c (gimplify_expr): Handle TARGET_MEM_REF.
	* tree-ssa-loop-im.c (gen_lsm_tmp_name): Handle INTEGER_CST.

2009-05-21  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*extzv_trunc<mode>_exts): Turn into a
	regular pattern from a template and rename it ...
	(*extzv_truncsi_exts): ... to this.

2009-05-21  Richard Guenther  <rguenther@suse.de>

	* cgraph.h (struct cgraph_node): Remove inline_decl member.
	* ipa-inline.c (cgraph_mark_inline_edge): Do not check it.
	(cgraph_default_inline_p): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.

2009-05-21  H.J. Lu  <hongjiu.lu@intel.com>
	    Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/cpuid.h (bit_MOVBE): New.

	* config/i386/driver-i386.c (host_detect_local_cpu): Check movbe.

	* config/i386/i386.c (OPTION_MASK_ISA_MOVBE_SET): New.
	(OPTION_MASK_ISA_MOVBE_UNSET): Likewise.
	(ix86_handle_option): Handle OPT_mmovbe.
	(ix86_target_string): Add -mmovbe.
	(pta_flags): Add PTA_MOVBE.
	(processor_alias_table): Add PTA_MOVBE to "atom".
	(override_options): Handle PTA_MOVBE.

	* config/i386/i386.h (TARGET_MOVBE): New.

	* config/i386/i386.md (bswapsi2): Check TARGET_MOVBE.
	(*bswapsi_movbe): New.
	(*bswapdi_movbe): Likewise.
	(bswapdi2): Renamed to ...
	(*bswapdi_1): This.
	(bswapdi2): New expander.

	* config/i386/i386.opt (mmovbe): New.

	* doc/invoke.texi: Document -mmovbe.

2009-05-21  Taras Glek  <tglek@mozilla.com>

	* plugin.c (try_init_one_plugin): Updated to new plugin_init API.
	* gcc-plugin.h (plugin_init): Updated signature.
	* gcc-plugin.h (plugin_name_args): Moved to this header.
	* doc/plugins.texi (plugin_init): Updated documention to reflect
	API change.
	* doc/plugins.texi (plugin_name_args): Added to documention.

2009-05-21  Mark Mitchell  <mark@codesourcery.com>

	* config/arm/neon.md (*mul<mode>3add<mode>_neon): New pattern.
	(*mul<mode>3neg<mode>add<mode>_neon): Likewise.

2009-05-21  Shujing Zhao  <pearly.zhao@oracle.com>

	* config/i386/i386.c: Use REG_P, MEM_P, CONST_INT_P, LABEL_P and
	JUMP_TABLE_DATA_P predicates where applicable.
	* config/i386/predicates.md: Ditto.
	* config/i386/sse.md: Ditto.

2009-05-21  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.md (adddi_4_rex64, addsi_4, addhi_4): For
	operand2 -128 override length_immediate attribute to 1.
	* config/i386/predicates.md (constm128_operand): New predicate.

	* config/i386/i386.c (memory_address_length): Handle %r12
	the same as %rsp and %r13 the same as %rbp.  For %rsp and %rbp
	also check REGNO.
	(ix86_attr_length_address_default): For MODE_SI lea in 64-bit
	mode look through optional ZERO_EXTEND and SUBREG.
	* config/i386/i386.md (R12_REG): New define_constant.
	(prefix_data16): For sse unit set also for MODE_TI insns.
	(prefix_rex): For -m32 always return 0.  For TYPE_IMOVX
	insns set if operand 1 is ext_QIreg_operand.
	(modrm): For TYPE_IMOV clear only if not MODE_DI.  For
	TYPE_{ALU{,1},ICMP,TEST} insn clear if there is non-shortened
	immediate.
	(*movdi_extzv_1, zero_extendhidi2, zero_extendqidi2): Change
	mode from MODE_DI to MODE_SI.
	(movdi_1_rex64): Override modrm and length_immediate attributes
	only for movabs (TYPE_IMOV, alternative 2).
	(zero_extendsidi2_rex64): Clear prefix_0f attribute if TYPE_IMOVX.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_sse_interunit,
	*float<SSEMODEI24:mode><MODEF:mode>2_sse_nointerunit): Set
	prefix_rex attribute if DImode.
	(*adddi_1_rex64, *adddi_2_rex64, *adddi_3_rex64, *adddi_5_rex64,
	*addsi_1, *addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
	*addsi_3_zext, *addsi_5, *addhi_1_lea, *addhi_1, *addhi_2, *addhi_3,
	*addhi_5, *addqi_1_lea, *addqi_1): Override length_immediate
	attribute to 1 if TYPE_ALU and operand 2 is const128_operand.
	(pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64):
	Likewise.  For TYPE_IMOV clear length_immediate attribute.
	(*ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashldi3_cconly_rex64,
	*ashlsi3_1, *ashlsi3_1_zext, *ashlsi3_cmp, **ashlsi3_cconly,
	*ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1, *ashlhi3_cmp,
	*ashlhi3_cconly, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
	*ashlqi3_cconly): Override length_immediate attribute to 0 if TYPE_ALU
	or one operand TYPE_ISHIFT.
	(*ashrdi3_1_one_bit_rex64, *ashrdi3_one_bit_cmp_rex64,
	*ashrdi3_one_bit_cconly_rex64, *ashrsi3_1_one_bit,
	*ashrsi3_1_one_bit_zext, *ashrsi3_one_bit_cmp,
	*ashrsi3_one_bit_cconly, *ashrsi3_one_bit_cmp_zext,
	*ashrhi3_1_one_bit, *ashrhi3_one_bit_cmp, *ashrhi3_one_bit_cconly,
	*ashrqi3_1_one_bit, *ashrqi3_1_one_bit_slp, *ashrqi3_one_bit_cmp,
	*ashrqi3_one_bit_cconly, *lshrdi3_1_one_bit_rex64,
	*lshrdi3_cmp_one_bit_rex64, *lshrdi3_cconly_one_bit_rex64,
	*lshrsi3_1_one_bit, *lshrsi3_1_one_bit_zext, *lshrsi3_one_bit_cmp,
	*lshrsi3_one_bit_cconly, *lshrsi3_cmp_one_bit_zext,
	*lshrhi3_1_one_bit, *lshrhi3_one_bit_cmp, *lshrhi3_one_bit_cconly,
	*lshrqi3_1_one_bit, *lshrqi3_1_one_bit_slp, *lshrqi2_one_bit_cmp,
	*lshrqi2_one_bit_cconly, *rotlsi3_1_one_bit_rex64, *rotlsi3_1_one_bit,
	*rotlsi3_1_one_bit_zext, *rotlhi3_1_one_bit, *rotlqi3_1_one_bit_slp,
	*rotlqi3_1_one_bit, *rotrdi3_1_one_bit_rex64, *rotrsi3_1_one_bit,
	*rotrsi3_1_one_bit_zext, *rotrhi3_one_bit, *rotrqi3_1_one_bit,
	*rotrqi3_1_one_bit_slp): Override length_immediate attribute to 0,
	set mode attribute, don't override length attribute.
	(*btsq, *btrq, *btcq, *btdi_rex64, *btsi): Set prefix_0f attribute
	to 1.
	(return_internal_long): Set length attribute to 2 instead of 1.
	(*strmovqi_rex_1, *strsetqi_rex_1, *rep_stosqi_rex64,
	*cmpstrnqi_nz_rex_1, *cmpstrnqi_rex_1, *strlenqi_rex_1): Clear
	prefix_rex attribute.
	* config/i386/predicates.md (ext_QIreg_operand, const128_operand):
	New predicates.
	(memory_displacement_only_operand): Always return 0 for TARGET_64BIT.

2009-05-21  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/thumb2.md (orsi_notsi_si): Fix typo in pattern.

2009-05-20  Ian Lance Taylor  <iant@google.com>

	* tree.c (build_tree_list_vec_stat): New function.
	(ctor_to_vec): New function.
	(build_nt_call_vec): New function.
	(build_call_array): Change args to be a const pointer.
	(build_call_vec): New function.
	* tree.h (build_nt_call_vec): Declare.
	(build_tree_list_vec_stat): Declare.
	(build_tree_list_vec): Define.
	(build_call_array): Update declaration.
	(build_call_vec): Declare.
	(ctor_to_vec): Declare.
	* c-common.c (tree_vector_cache): New static variable.
	(make_tree_vector): New function.
	(release_tree_vector): New function.
	(make_tree_vector_single): New function.
	(make_tree_vector_copy): New function.
	* c-common.h (tree_vector_cache, make_tree_vector): Declare.
	(make_tree_vector_single, make_tree_vector_copy): Declare.
	* c-parser.c (cached_expr_list_1, cached_expr_list_2): Remove.
	(c_parser_expr_list): Don't manage cache here, instead call
	make_tree_vector.
	(c_parser_release_expr_list): Remove static function.
	(c_parser_vec_to_tree_list): Remove static function.
	(c_parser_attributes): Call build_tree_list_vec instead of
	c_parser_vec_to_tree_list.  Call release_tree_vector instead of
	c_parser_release_expr_list.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_objc_keywordexpr): Likewise.

2009-05-20  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/tm.texi (Misc): Document TARGET_INVALID_PARAMETER_TYPE,
	TARGET_INVALID_RETURN_TYPE, TARGET_PROMOTED_TYPE, and
	TARGET_CONVERT_TO_TYPE.
	* hooks.c (hook_tree_const_tree_null): Define.
	* hooks.h (hook_tree_const_tree_null): Declare.
	* target.h (struct gcc_target):  Add invalid_parameter_type,
	invalid_return_type, promoted_type, and convert_to_type fields.
	* target-def.h: (TARGET_INVALID_PARAMETER_TYPE): Define.
	(TARGET_INVALID_RETURN_TYPE): Define.
	(TARGET_PROMOTED_TYPE): Define.
	(TARGET_CONVERT_TO_TYPE): Define.
	(TARGET_INITIALIZER): Update for new fields.
	* c-decl.c (grokdeclarator): Check targetm.invalid_return_type.
	(grokparms): Check targetm.invalid_parameter_type.
	* c-typeck.c (default_conversion): Check targetm.promoted_type.
	* c-convert.c (convert): Check targetm.convert_to_type.

2009-05-20  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*extenddi_truncate<mode>,
	*extendsi_truncate<mode>): Emit exts if supported.  Add attribute
	defintions.
	(*extendhi_truncateqi): New define_insn_and_sptit.

2009-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40204
	* fold-const.c (fold_binary) <case BIT_AND_EXPR>: Avoid infinite
	recursion if build_int_cst_type returns the same INTEGER_CST as arg1.

2009-05-20  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (build_fold_addr_expr_with_type): Take the address of
	the operand of VIEW_CONVERT_EXPR.

2009-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Check
	extended family and model for Intel processors.  Support Intel Atom.

2009-05-20  Olivier Hainque  <hainque@adacore.com>

	* gstab.h (stab_code_type): Define, to be used instead of the
	__stab_debug_code enum, made anonymous.  Add 2009 to the copyright
	notice.
	* dbxout.c (STAB_CODE_TYPE): Remove #define and replace use
	occurrences by stab_code_type.
	* mips-tfile.c (STAB_CODE_TYPE): Remove #define, unused.

2009-05-20  Martin Jambor  <mjambor@suse.cz>

	* tree-flow.h (insert_edge_copies_seq): Undeclare.
	(sra_insert_before): Likewise.
	(sra_insert_after): Likewise.
	(sra_init_cache): Likewise.
	(sra_type_can_be_decomposed_p): Likewise.
	* tree-mudflap.c (insert_edge_copies_seq): Copied here from tree-sra.c
	* tree-sra.c (sra_type_can_be_decomposed_p): Made static.
	(sra_insert_before): Likewise.
	(sra_insert_after): Likewise.
	(sra_init_cache): Likewise.
	(insert_edge_copies_seq): Made static and moved upwards.

	* tree-complex.c (extract_component): Added VIEW_CONVERT_EXPR switch
	case.

	* tree-flow-inline.h (contains_view_convert_expr_p): New function.

	* ipa-prop.c (get_ssa_def_if_simple_copy): New function.
	(determine_cst_member_ptr): Call get_ssa_def_if_simple_copy to skip
	simple copies.

2009-05-20  Richard Guenther  <rguenther@suse.de>

	* expr.c (expand_expr_real_1): Avoid calling do_store_flag
	with mismatched comparison modes.

2009-05-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.md (*arm_iorsi3): Refactored for only ARM.
	(peephole ior (reg, int) -> mov, ior): Refactored for only ARM.
	* config/arm/thumb2.md (*thumb_andsi_not_shiftsi_si): Allow bic
	with shifts for Thumb2.
	(orsi_notsi): New for orn.
	(*thumb_orsi_notshiftsi_si): Allow orn with shifts.
	(*thumb2_iorsi3): Rewrite support for iorsi for Thumb2.
	* config/arm/arm.c (const_ok_for_op): Split case for IOR for Thumb2.
	(arm_gen_constant): Set can_invert for IOR and Thumb2, Add comments.
	Don't invert remainder for IOR.

2009-05-19  Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/40087
	* tree-ssa-loop-niter.c (number_of_iterations_ne_max,
	number_of_iterations_ne): Rename never_infinite argument.
	(number_of_iterations_lt_to_ne, number_of_iterations_lt,
	number_of_iterations_le): Handle pointer-type ivs when
	exit_must_be_taken is false.
	(number_of_iterations_cond):  Do not always assume that
	exit_must_be_taken if the control variable is a pointer.

2009-05-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* c-typeck.c (build_binary_op): Allow % on integal vectors.
	* doc/extend.texi (Vector Extension): Document that % is allowed too.

2009-05-19  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_avoid_jump_mispredicts): Check
	ASM_OUTPUT_MAX_SKIP_PAD instead of ASM_OUTPUT_MAX_SKIP_ALIGN.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/40172
	* c.opt (Wlogical-op): Disabled by default.
	* c-opt (c_common_post_options): Do not enable Wlogical-op with
	Wextra.
	* doc/invoke.texi (Wlogical-op): Likewise.

2009-05-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-scalar-evolution.c (follow_ssa_edge_expr) <NOP_EXPR>: Turn
	into CASE_CONVERT.
	<PLUS_EXPR>: Strip useless type conversions instead of type nops.
	Propagate the type of the first operand.
	<ASSERT_EXPR>: Simplify.
	(follow_ssa_edge_in_rhs): Use gimple_expr_type to get the type.
	Rewrite using the RHS code as discriminant.
	<NOP_EXPR>: Turn into CASE_CONVERT.
	<PLUS_EXPR>: Propagate the type of the first operand.

2009-05-19  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64-protos.h (ia64_dconst_0_5): New.
	(ia64_dconst_0_375): New.
	* config/ia64/ia64.c (ia64_override_options): Remove
	-minline-sqrt-min-latency warning.
	(ia64_dconst_0_5_rtx, ia64_dconst_0_5): New.
	(ia64_dconst_0_375_rtx, ia64_dconst_0_375): New
	* config/ia64/ia64.md (*sqrt_approx): Remove.
	(sqrtsf2): Remove #if 0.
	(sqrtsf2_internal_thr): Rewrite and move to div.md.
	(sqrtdf): Remove assert.
	(sqrtdf2_internal_thr): Rewrite and move to div.md.
	(sqrtxf2): Remove #if 0.
	(sqrtxf2_internal_thr): Rewrite and move to div.md.
	* div.md (sqrt_approx_rf): New.
	(sqrtsf2_internal_thr): New implementation.
	(sqrtsf2_internal_lat): New.
	(sqrtdf2_internal_thr: New implementation.
	(sqrtxf2_internal): New implementation.

2009-05-19  Francois-Xavier Coudert  <fxcoudert@gmail.com>
	    Hans-Peter Nilsson  <hp@axis.com>

	* defaults.h (UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE)
	(WCHAR_TYPE, MODIFIED_WCHAR_TYPE, PTRDIFF_TYPE, WINT_TYPE)
	(INTMAX_TYPE, UINTMAX_TYPE, SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE)
	(INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE)
	(UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE)
	(INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE)
	(UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE)
	(INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE)
	(UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE)
	(SIZE_TYPE, PID_TYPE, CHAR16_TYPE, CHAR32_TYPE): Move defaults here...
	* c-common.c: ...from here.

2009-05-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* c-common.c (warn_logical_operator): Remove unnecessary conditionals.

2009-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (do_mpc_arg1): Separate MPFR/MPC C rounding types.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

	* unwind-dw2-fde.c (fde_unencoded_compare): Replace type punning
	assignments with memcpy calls.
	(add_fdes): Likewise.
	(binary_search_unencoded_fdes): Likewise.
	(linear_search_fdes): Eliminate type puns.

2009-05-19  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do
	not falsely claim to have propagated into all uses.

2009-05-19  Ben Elliston  <bje@au.ibm.com>

	* doc/invoke.texi (C Dialect Options): Update OpenMP specification
	version to v3.0.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh-protos.h (sh_legitimate_address_p): Remove.
	* config/sh/sh.c (sh_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.
	* config/sh/sh.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/sh/sh.md: Clean up references to GO_IF_LEGITIMATE_ADDRESS.

2009-05-18  Dodji Seketeli  <dodji@redhat.com>

	PR debug/40109
	* dwarf2out.c (gen_type_die_with_usage): Generate the DIE as a
	child of the containing namespace's DIE.

2009-05-18  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*zero_extend<GPR:mode>_trunc<SHORT:mode>,
	*zero_extendhi_truncqi):  Move after the zero_extend patterns.
	(*extenddi_truncate<mode>, *extendsi_truncate<mode>): Move after the
	extend patterns.

2009-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39942
	* config/i386/i386.c (ix86_avoid_jump_misspredicts): Replace
	gen_align with gen_pad.
	(ix86_reorg): Check ASM_OUTPUT_MAX_SKIP_PAD instead of
	#ifdef ASM_OUTPUT_MAX_SKIP_ALIGN.

	* config/i386/i386.h (ASM_OUTPUT_MAX_SKIP_PAD): New.
	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_PAD): Likewise.

	* config/i386/i386.md (align): Renamed to ...
	(pad): This.  Replace ASM_OUTPUT_MAX_SKIP_ALIGN with
	ASM_OUTPUT_MAX_SKIP_PAD.

2009-05-18  Andreas Schwab  <schwab@linux-m68k.org>

	* config.gcc: Fix variable syntax.

	PR target/39531
	* config/m68k/m68k.c (output_andsi3): Mask off sign bit copies
	before calling exact_log2.
	(output_iorsi3): Likewise.
	(output_xorsi3): Likewise.

2009-05-18  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (expand_cbranchdi4): Use a scratch register
	for the none zero constant operand except for EQ and NE
	comprisons even when the first operand is R0.

2009-05-18  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/2064.md: Remove trailing whitespaces.
	* config/s390/2084.md: Likewise.
	* config/s390/constraints.md: Likewise.
	* config/s390/fixdfdi.h: Likewise.
	* config/s390/libgcc-glibc.ver: Likewise.
	* config/s390/s390-modes.def: Likewise.
	* config/s390/s390-protos.h: Likewise.
	* config/s390/s390.c: Likewise.
	* config/s390/s390.h: Likewise.
	* config/s390/s390.md: Likewise.
	* config/s390/tpf-unwind.h: Likewise.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

	* config/m68k/m68k.c (m68k_legitimize_address): Fix typo in signature.

2009-05-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

	M68K TLS support.
	* configure.ac (m68k-*-*): Check if binutils support TLS.
	* configure: Regenerate.
	* config/m68k/predicates.md (symbolic_operand): Extend comment.
	* config/m68k/constraints.md (Cu): New constraint.
	* config/m68k/m68k.md (UNSPEC_GOTOFF): Remove.
	(UNSPEC_RELOC16, UNSPEC_RELOC32): New constants.
	(movsi): Handle TLS symbols.
	(addsi3_5200): Handle XTLS symbols, indent.
	* config/m68k/m68k-protos.h (m68k_legitimize_tls_address): Declare.
	(m68k_tls_reference_p): Declare.
	(m68k_legitimize_address): Declare.
	(m68k_unwrap_symbol): Declare.
	* config/m68k/m68k.opt (mxtls): New option.
	* config/m68k/m68k.c (ggc.h): Include.
	(m68k_output_dwarf_dtprel): Implement hook.
	(TARGET_HAVE_TLS, TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
	(m68k_expand_prologue): Load GOT pointer when function needs it.
	(m68k_illegitimate_symbolic_constant_p): Handle TLS symbols.
	(m68k_legitimate_constant_address_p): Same.
	(m68k_decompose_address): Handle TLS references.
	(m68k_get_gp): New static function.
	(enum m68k_reloc): New contants.
	(TLS_RELOC_P): New macro.
	(m68k_wrap_symbol): New static function.
	(m68k_unwrap_symbol): New function.
	(m68k_final_prescan_insn_1): New static function.
	(m68k_final_prescan_insn): New function.
	(m68k_move_to_reg, m68k_wrap_symbol_into_got_ref): New static
	functions.
	(legitimize_pic_address): Handle TLS references..
	(m68k_tls_get_addr, m68k_get_tls_get_addr)
	(m68k_libcall_value_in_a0_p)
	(m68k_call_tls_get_addr, m68k_read_tp, m68k_get_m68k_read_tp)
	(m68k_call_m68k_read_tp): Helper variables and functions for ...
	(m68k_legitimize_tls_address): Handle TLS references.
	(m68k_tls_symbol_p, m68k_tls_reference_p_1, m68k_tls_reference_p):
	New functions.
	(m68k_legitimize_address): Handle TLS symbols.
	(m68k_get_reloc_decoration): New static function.
	(m68k_output_addr_const_extra): Handle UNSPEC_RELOC16 and
	UNSPEC_RELOC32.
	(m68k_output_dwarf_dtprel): Implement hook.
	(print_operand_address): Handle UNSPEC_RELOC16 adn UNSPEC_RELOC32.
	(m68k_libcall_value): Return result in A0 instead of D0 when asked by
	m68k_call_* routines.
	(sched_attr_op_type): Handle TLS symbols.
	(gt-m68k.h): Include.
	* config/m68k/m68k.h (FINAL_PRESCAN_INSN): Define.
	(LEGITIMATE_PIC_OPERAND_P): Support TLS.

2009-05-18  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.c (ipa_check_stmt_modifications): Removed.
	(visit_store_addr_for_mod_analysis): New function.
	(ipa_detect_param_modifications): Use walk_stmt_load_store_addr_ops.
	(determine_cst_member_ptr): Use gimple_assign_single_p.
	(ipa_get_stmt_member_ptr_load_param): Use gimple_assign_single_p.
	(ipa_analyze_call_uses): Use !gimple_assign_rhs2 rather than number of
	operands.  Don't check number of operands of a NOP_EXPR.

2009-05-18  Eric Fisher  <joefoxreal@gmail.com>

	* doc/tree-ssa.texi (SSA Operands): Fix a mistake.

2009-05-17  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/40172
	* c-common.c (warn_logical_operator): Don't warn if one of
	expression isn't always true or false.

2009-05-17  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/biarch32.h: New file.
	* config.gcc: Add for target i386-w64-* the biarch32.h to tm_file.

2009-05-17  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (*zero_extend<mode>_trunchi,
	*zero_extend<mode>_truncqi): Merge these into ...
	(*zero_extend<GPR:mode>_trunc<SHORT:mode>): ... this new pattern.
	Name the pattern following this as *zero_extendhi_truncqi.

2009-05-16  Brad Lucier  <lucier@math.purdue.edu>

	PR middle-end/39301
	* hwint.h: Add macro HOST_WIDEST_INT_PRINT.
	* bitmap.c (bitmap_descriptor): Make fields HOST_WIDEST_INT.
	(output_info): Make field HOST_WIDEST_INT.
	(print_statistics): Use HOST_WIDEST_INT_PRINT.
	(dump_bitmat_statistics): Same.

2009-05-16  Francois-Xavier Coudert  <fxcoudert@gmail.com>

	* config.gcc (use_gcc_stdint):  Set to wrap.
	* config/darwin.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
	INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
	UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
	INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
	UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
	INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
	UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
	UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.

2009-05-16  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (mips*-*-*): Support arch_32, arch_64, tune_32 and
	tune_64.
	* config/mips/mips.h (MIPS_ABI_DEFAULT, MULTILIB_ABI_DEFAULT):
	Move definitions earlier.
	(OPT_ARCH64, OPT_ARCH32): Define.
	(OPTION_DEFAULT_SPECS): Add entries for arch_32, arch_64, tune_32
	and tune_64.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

	PR target/40153
	* arm.md (cstoresi_nltu_thumb1): Use a neg of ltu as the pattern name
	implies.

2009-05-16  Richard Earnshaw  <rearnsha@arm.com>

	* arm.md (movdi2): Copy non-reg values to DImode registers.

2009-05-16  Jakub Jelinek  <jakub@redhat.com>

	PR target/39942
	* final.c (label_to_max_skip): New function.
	(label_to_alignment): Only use LABEL_TO_ALIGNMENT if
	CODE_LABEL_NUMBER <= max_labelno.
	* output.h (label_to_max_skip): New prototype.
	* config/i386/i386.c (ix86_avoid_jump_misspredicts): Renamed to...
	(ix86_avoid_jump_mispredicts): ... this.  Don't define if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.  Update comment.
	Handle CODE_LABELs with >= 16 byte alignment or with
	max_skip == (1 << align) - 1.
	(ix86_reorg): Don't call ix86_avoid_jump_mispredicts if
	ASM_OUTPUT_MAX_SKIP_ALIGN isn't defined.

	PR target/39942
	* config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Don't emit second
	.p2align 3 if MAX_SKIP is smaller than 7.
	* config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.

2009-05-15  Ian Lance Taylor  <iant@google.com>

	* alias.c (struct alias_set_entry_d): Rename from struct
	alias_set_entry.  Change all uses.
	* except.c (struct call_site_record_d): Rename from struct
	call_site_record.  Change all uses.
	* except.h (struct eh_region_d): Rename from struct eh_region.
	Change all uses.
	* gcse.c (struct hash_table_d): Rename from struct hash_table.
	Change all uses.
	* graphite.c (struct ivtype_map_elt_d): Rename fromstruct
	ivtype_map_elt.  Change all uses.
	(struct rename_map_elt_d): Rename fromstruct rename_map_elt.
	Change all uses.
	(struct ifsese_d): Rename fromstruct ifsese.  Change all uses.
	* graphite.h (struct name_tree_d): Rename from struct name_tree.
	Change all uses.
	(struct sese_d): Rename from struct sese.  Change all uses.
	* omega.h (struct eqn_d): Rename from struct eqn.  Change all uses.
	(struct omega_pb_d): Rename from struct omega_pb.  Change all uses.
	* optabs.h (struct optab_d): Rename from struct optab.  Change all
	uses.
	(struct convert_optab_d): Rename from struct convert_optab.
	Change all uses.
	* tree-pass.h (struct ipa_opt_pass_d): Rename fromstruct
	ipa_opt_pass.  Change all uses.
	* tree-predcom.c (struct dref_d): Rename from struct dref.  Change
	all uses.

	* c-decl.c (pushtag): If -Wc++-compat, warn if the tag is already
	defined as a typedef.
	(grokdeclarator): If -Wc++-compat, warn if a typedef is already
	defined as a tag.

2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 16302
	* fold-const.c (make_range,build_range_check,merge_ranges): Move
	declaration to...
	(merge_ranges): Returns bool.
	* tree.h (make_range): .. to here.
	(build_range_check): Likewise.
	(merge_ranges): Likewise. Renamed from merge_ranges.
	* c-typeck.c (parser_build_binary_op): Update calls to
	warn_logical_operator.
	* c-common.c (warn_logical_operator): Add new warning.
	* c-common.h (warn_logical_operator): Update declaration.

2009-05-15  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* ira-conflicts.c (add_insn_allocno_copies): Fix wrong conditional.

2009-05-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* doc/install.texi: Document MPC requirements, flags etc.

	* builtins.c (do_mpc_arg1, fold_builtin_ccos): New.
	(fold_builtin_cexp): Ensure we get a complex REAL_TYPE.
	Evaluate constant arguments.
	(fold_builtin_carg): Ensure we get a complex REAL_TYPE.
	(fold_builtin_1): Likewise, also evaluate constant arguments.
	Remove superfluous break.
	(do_mpc_ckconv): New.
	* real.h: Include mpc.h.
	* toplev.c (print_version): Output MPC version info if available.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

	* fold-const.c (fold_convert_const_real_from_real): Check for overflow.

2009-05-15  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_reorg): Call optimize_function_for_speed_p
	only once.

2009-05-15  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi (max-early-inliner-iterations): New flag.
	* ipa-inline.c (enum inlining_mode): New INLINE_SIZE_NORECURSIVE.
	(try_inline): Fix return value.
	(cgraph_decide_inlining_incrementally): Honor new value.
	(cgraph_early_inlining): Handle indirect inlining.
	* params.def (PARAM_EARLY_INLINER_MAX_ITERATIONS): New.

2009-05-15  Jan Hubicka  <jh@suse.cz>

	* cgraph.h (struct cgraph_node): Add finalized_by_frotnend flag.
	* cgraphunit.c (cgraph_finalize_function): Set it.
	(cgraph_expand_function): Use it.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

	* real.c (encode_ieee_half): Define.
	(decode_ieee_half): Define.
	(ieee_half_format): Define.
	(arm_half_format): Define.
	* real.h (ieee_half_format): Declare.
	(arm_half_format): Declare.

2009-05-15  Sandra Loosemore  <sandra@codesourcery.com>

	* optabs.c (prepare_float_lib_cmp):  Test that the comparison,
	swapped, and reversed optabs exist before trying to use them.

2009-05-15  Paul Brook  <paul@codesourcery.com>
	    Sandra Loosemore  <sandra@codesourcery.com>

	* config/arm/arm.c (neon_vector_mem_operand): Handle element/structure
	loads.  Allow PRE_DEC.
	(output_move_neon): Handle PRE_DEC.
	(arm_print_operand): Add 'A' for neon structure loads.
	* config/arm/arm-protos.h (neon_vector_mem_operand): Update prototype.
	* config/arm/neon.md (neon_mov): Update comment.
	* config/arm/constraints.md (Un, Us): Update neon_vector_mem_operand
	calls.
	(Um): New constraint.

2009-05-15  Jan Hubicka  <jh@suse.cz>

	Revert the following patch until testsuite fallout is fixed:
	* cgraph.c (dump_cgraph_node): Dump size/time/benefit.
	* cgraph.h (struct inline_summary): New filed self_wize,
	size_inlining_benefit, self_time and time_inlining_benefit.
	(struct cgraph_global_info): Replace insns by time ans size fields.
	* ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
	(ipcp_estimate_growth, ipcp_insert_stage): Likewise.
	(ipcp_update_callgraph): Do not touch function bodies.
	* ipa-inline.c: Include except.h
	(MAX_TIME): New constant.
	(overall_insns): Remove
	(overall_size, max_benefit): New static variables.
	(cgraph_estimate_time_after_inlining): New function.
	(cgraph_estimate_size_after_inlining): Rewrite using benefits.
	(cgraph_clone_inlined_nodes): Update size.
	(cgraph_mark_inline_edge): Update size.
	(cgraph_estimate_growth): Use size info.
	(cgraph_check_inline_limits): Check size.
	(cgraph_default_inline_p): Likewise.
	(cgraph_edge_badness): Compute badness based on benefit and size cost.
	(cgraph_decide_recursive_inlining): Check size.
	(cgraph_decide_inlining_of_small_function): Update size; dump sizes
	and times.
	(cgraph_decide_inlining): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise; honor
	PARAM_EARLY_INLINING_INSNS.
	(likely_eliminated_by_inlining_p): New predicate.
	(estimate_function_body_sizes): New function.
	(compute_inline_parameters): Use it.
	* except.c (must_not_throw_labels): New function.
	* except.h (must_not_throw_labels): Declare.
	* tree-inline.c (init_inline_once): Kill inlining_weigths
	* tree-ssa-structalias.c: Avoid uninitialized warning.
	* params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
	(PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
	(PARAM_INLINE_CALL_COST): Remove.
	(PARAM_EARLY_INLINING_INSNS): New.

2009-05-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (eliminate): Use TODO_update_ssa_only_virtuals,
	not TODO_update_ssa.

2009-05-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39999
	* gimple.h (gimple_expr_type): Use the expression type looking
	through useless conversions.
	* tree-ssa-sccvn.c (vn_nary_op_lookup_stmt): Use gimple_expr_type.
	(vn_nary_op_insert_stmt): Likewise.
	(simplify_binary_expression): Likewise.

2009-05-15  Richard Guenther  <rguenther@suse.de>

	* common.opt (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
	New options, enabled by default.
	* doc/invoke.texi (-ftree-forwprop, -ftree-phiprop, -ftree-pta):
	Document.
	* tree-ssa-forwprop.c (gate_forwprop): Use flag_tree_forwprop.
	* tree-ssa-phiprop.c (gate_phiprop): Use flag_tree_phiprop.
	* tree-ssa-structalias.c (gate_tree_pta): New function.
	(pass_build_alias): Use it.

2009-05-15  Joseph Myers  <joseph@codesourcery.com>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also
	recurse on an invariant address if a conversion from a pointer
	type to a wider integer type is involved.

2009-05-15  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Dump size/time/benefit.
	* cgraph.h (struct inline_summary): New filed self_wize,
	size_inlining_benefit, self_time and time_inlining_benefit.
	(struct cgraph_global_info): Replace insns by time ans size fields.
	* ipa-cp (ipcp_cloning_candidate_p): Base estimate on size
	(ipcp_estimate_growth, ipcp_insert_stage): Likewise.
	(ipcp_update_callgraph): Do not touch function bodies.
	* ipa-inline.c: Include except.h
	(MAX_TIME): New constant.
	(overall_insns): Remove
	(overall_size, max_benefit): New static variables.
	(cgraph_estimate_time_after_inlining): New function.
	(cgraph_estimate_size_after_inlining): Rewrite using benefits.
	(cgraph_clone_inlined_nodes): Update size.
	(cgraph_mark_inline_edge): Update size.
	(cgraph_estimate_growth): Use size info.
	(cgraph_check_inline_limits): Check size.
	(cgraph_default_inline_p): Likewise.
	(cgraph_edge_badness): Compute badness based on benefit and size cost.
	(cgraph_decide_recursive_inlining): Check size.
	(cgraph_decide_inlining_of_small_function): Update size; dump sizes
	and times.
	(cgraph_decide_inlining): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise; honor
	PARAM_EARLY_INLINING_INSNS.
	(likely_eliminated_by_inlining_p): New predicate.
	(estimate_function_body_sizes): New function.
	(compute_inline_parameters): Use it.
	* except.c (must_not_throw_labels): New function.
	* except.h (must_not_throw_labels): Declare.
	* tree-inline.c (init_inline_once): Kill inlining_weigths
	* tree-ssa-structalias.c: Avoid uninitialized warning.
	* params.def (PARAM_MAX_INLINE_INSNS_SINGLE): Reduce to 300.
	(PARAM_MAX_INLINE_INSNS_AUTO): Reduce to 60.
	(PARAM_INLINE_CALL_COST): Remove.
	(PARAM_EARLY_INLINING_INSNS): New.
	doc/invoke.texi (max-inline-insns-auto, early-inlining-insns): Update.
	(inline-call-cost): Remove.
	(early-inlining-insns): New.

2009-05-15  Eric Botcazou  <ebotcazou@adacore.com>

	* dbxout.c (dbxout_range_type): Add LOW and HIGH parameters.  Use them
	for bounds.
	(print_int_cst_bounds_in_octal_p): Likewise.
	(dbxout_type): Adjust calls to above functions.  Be prepared to deal
	with subtypes.
	* dwarf2out.c (base_type_die): Likewise.
	(is_subrange_type): Delete.
	(subrange_type_die): Add LOW and HIGH parameters.  Use them for bounds.
	(modified_type_die): Call subrange_type_for_debug_p on subtypes.
	* fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it
	if the destination type is boolean.
	(build_range_check): Do not special-case subtypes.
	(fold_sign_changed_comparison): Likewise.
	(fold_unary): Likewise.
	* langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
	* langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
	* tree.c (subrange_type_for_debug_p): New predicate based on the
	former is_subrange_type.
	* tree.h (subrange_type_for_debug_p): Declare.
	* tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
	(convert_affine_scev): Remove call to above function.
	(chrec_convert_aggressive): Likewise.
	* tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
	false for conversions involving subtypes.
	* tree-vrp.c (vrp_val_max): Do not special-case subtypes.
	(vrp_val_min): Likewise.
	(needs_overflow_infinity): Likewise.
	(extract_range_from_unary_expr): Likewise.

2009-05-15  Paolo Bonzini  <bonzini@gnu.org>

	* config/frv/frv.h: Clean up references to GO_IF_LEGITIMATE_ADDRESS.
	* config/frv/frv.c: Likewise.
	* config/s390/s390.c: Likewise.
	* config/sparc/sparc.h: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/i386.c: Likewise.
	* config/crx/crx.c: Likewise.
	* config/m68hc11/m68hc11.h: Likewise.
	* config/iq2000/iq2000.c: Likewise.
	* config/mn10300/mn10300.h: Likewise.
	* config/mn10300/mn10300.c: Likewise.
	* config/m68k/m68k.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/rs6000/xcoff.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/sysv4.h: Likewise.
	* config/score/score3.c: Likewise.
	* config/score/score7.c: Likewise.
	* config/score/score.c: Likewise.
	* config/arm/arm.md: Likewise.
	* config/mips/mips.c: Likewise.
	* config/mips/mips.md: Likewise.
	* config/bfin/bfin.h: Likewise.
	* config/pa/pa.c: Likewise.
	* config/pa/constraints.md: Likewise.

	* config/pdp11/pdp11-protos.h (legitimate_address_p): Delete.
	* config/pdp11/pdp11.c (legitimate_address_p): Delete.
	* config/pdp11/pdp11.h: Use memory_address_p instead.

2009-05-14  Ian Lance Taylor  <iant@google.com>

	* passes.c (finish_optimization_passes): Change i to int.
	* plugin.c (plugins_active_p): Change event to int.
	(dump_active_plugins): Likewise.
	* reginfo.c (invalid_mode_change_p): Change to to unsigned int.
	Add cast.
	* tree.c (tree_range_check_failed): Change c to unsigned int.
	(omp_clause_range_check_failed): Likewise.
	(build_common_builtin_nodes): Change mode to int.  Add cast.
	* config/ia64/ia64.c (is_emitted): Change r to unsigned int.
	(ia64_hard_regno_rename_ok, ia64_eh_uses): Likewise.

	* c-typeck.c (build_unary_op): If -Wc++-compat, warn about using
	++ or -- with a variable of enum type.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

	PR driver/40144
	* opts.c (common_handle_option): Add OPT_fcse_skip_blocks as a no-op.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

	* store-motion.c: Do not include params.h
	* Makefile.in: Fix dependencies for various files.

2009-05-14  Steven Bosscher  <steven@gcc.gnu.org>

	* auto-inc-dec.c: Fix pass description, remove apparent
	accidental duplication.

2009-05-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/40147
	* ipa-utils.h (memory_identifier_string): Moved to ...
	* tree.h (memory_identifier_string): Here.  Add GTY(()).

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

	* doc/tm.texi (TARGET_LEGITIMATE_ADDRESS_P): Refer mainly to this
	in the former documentation of...
	(GO_IF_LEGITIMATE_ADDRESS): ... this.
	* ira-conflicts.c (get_dup_num): Use address_operand.
	* targhooks.c (default_legitimate_address_p): New.
	* targhooks.h (default_legitimate_address_p): New.
	* reload.c (strict_memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]:
	Call hook.
	* recog.c (memory_address_p) [!GO_IF_LEGITIMATE_ADDRESS]: Call hook.
	* target.h (struct target): Add legitimate_address_p.
	* target-def.h (TARGET_LEGITIMATE_ADDRESS_P): New.
	(TARGET_INITIALIZER): Include it.

	* config/alpha/alpha.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/alpha/alpha-protos.h (alpha_legitimate_address_p): Remove.
	* config/alpha/alpha.c (alpha_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/frv/frv.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	(REG_OK_STRICT_P): Delete.
	* config/frv/frv-protos.h (frv_legitimate_address_p): Rename to...
	(frv_legitimate_address_p_1): ... this.
	* config/frv/frv.c (frv_legitimate_address_p): Forward to...
	(frv_legitimate_address_p_1): ... the renamed old
	frv_legitimate_address_p.
	* config/frv/predicates.md: Adjust calls to frv_legitimate_address_p.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/s390/s390.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/s390/s390-protos.h (legitimate_address_p): Remove.
	* config/s390/s390.c (legitimate_address_p): Rename to...
	(s390_legitimate_address_p): ... this, make static.
	(legitimize_address): Adjust call.
	(TARGET_LEGITIMATE_ADDRESS_P): New.
	* config/s390/constraints.md ("e"): Call strict_memory_address_p.

	* config/m32c/m32c.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/m32c/m32c-protos.h (m32c_legitimate_address_p): Remove.
	* config/m32c/m32c.c (m32c_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/spu/spu.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/spu/spu-protos.h (spu_legitimate_address): Remove.
	* config/spu/spu.c (spu_legitimate_address): Rename to...
	(spu_legitimate_address_p): ... this, make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/sparc/sparc.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/sparc/sparc-protos.h (legitimate_address_p): Remove.
	* config/sparc/sparc.c (legitimate_address_p): Rename to...
	(sparc_legitimate_address_p): ... this, make static and return bool.
	(legitimize_address): Adjust call.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/i386/i386.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/i386/i386-protos.h (legitimate_address_p): Remove.
	* config/i386/i386.c (legitimate_address_p): Rename to...
	(ix86_legitimate_address_p): ... this, make static.
	(constant_address_p): Move after it, adjust call.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/avr/avr.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/avr/avr-protos.h (legitimate_address_p): Remove.
	* config/avr/avr.c (legitimate_address_p): Rename to...
	(avr_legitimate_address_p): ... this, make static.
	(legitimize_address): Adjust call.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/crx/crx.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/crx/crx-protos.h (crx_legitimate_address_p): Remove.
	* config/crx/crx.c (crx_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/xtensa/xtensa.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): Remove.
	* config/xtensa/xtensa.c (xtensa_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/stormy16/stormy16.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/stormy16/stormy16-protos.h (xstormy16_legitimate_address_p):
	Remove.
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
	Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/m68hc11/m68hc11.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/m68hc11/m68hc11-protos.h (m68hc11_go_if_legitimate_address):
	Remove.
	* config/m68hc11/m68hc11.c (m68hc11_go_if_legitimate_address):
	Rename to...
	(m68hc11_legitimate_address_p): ... this, make static.
	(go_if_legitimate_address_internal): Rename to...
	(m68hc11_legitimate_address_p_1): ... this.
	(legitimize_address): Adjust call.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/iq2000/iq2000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/iq2000/iq2000-protos.h (iq2000_legitimate_address_p): Remove.
	* config/iq2000/iq2000.c (iq2000_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/mn10300/mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/mn10300/mn10300-protos.h (legitimate_address_p): Remove.
	* config/mn10300/mn10300.c (legitimate_address_p): Rename to...
	(mn10300_legitimate_address_p): ... this, make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/m68k/m68k.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/m68k/m68k-protos.h (m68k_legitimate_address_p): Remove.
	* config/m68k/m68k.c (m68k_legitimate_address_p): Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	(REG_OK_STRICT_FLAG, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P): Delete.
	(INT_REG_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P): Move above.
	* config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_legitimate_address): Remove.
	* config/rs6000/rs6000.c (rs6000_legitimate_address): Rename to...
	(rs6000_legitimate_address_p): ... this, make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.
	(REG_MODE_OK_FOR_BASE_P): Delete.
	(rs6000_legitimize_reload_address): Use INT_REG_OK_FOR_BASE_P.

	* config/picochip/picochip.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/picochip/picochip-protos.h (picochip_legitimate_address_p):
	Delete.
	* config/picochip/picochip.c (picochip_legitimate_address_p): Make
	static, adjust types.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/score/score.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/score/score.c (score_address_p): Rename to...
	(score_legitimate_address_p): ... this.
	(TARGET_LEGITIMATE_ADDRESS_P): New.
	* config/score/score3.c (score3_address_p): Rename to...
	(score3_legitimate_address_p): ... this.
	* config/score/score7.c (score7_address_p): Rename to...
	(score7_legitimate_address_p): ... this.

	* config/arm/arm.h (ARM_GO_IF_LEGITIMATE_ADDRESS,
	THUMB2_GO_IF_LEGITIMATE_ADDRESS, THUMB1_GO_IF_LEGITIMATE_ADDRESS,
	GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/arm/arm-protos.h (thumb1_legitimate_address_p,
	thumb2_legitimate_address_p): Delete.
	(arm_legitimate_address_p): Rename to...
	(arm_legitimate_address_outer_p): ... this.
	* config/arm/constraints.md ("Uq"): Adjust call.
	* config/arm/predicates.md (arm_extendqisi_mem_op): Likewise.
	* config/arm/arm.c (arm_legitimate_address_p): New, rename old one
	to...
	(arm_legitimate_address_outer_p): ... this.
	(thumb1_legitimate_address_p, thumb2_legitimate_address_p): Make
	static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/mips/mips-protos.h (mips_legitimate_address_p): Remove.
	* config/mips/mips.c (mips_legitimate_address_p): ... Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/vax/vax.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/vax/vax-protos.h (legitimate_address_p): Remove.
	* config/vax/vax.c (legitimate_address_p): Rename to...
	(vax_legitimate_address_p): ... this, make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/h8300/h8300.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/h8300/h8300-protos.h (h8300_legitimate_address_p): Remove.
	* config/h8300/h8300.c (h8300_legitimate_address_p): ... Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/mmix/mmix.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/mmix/mmix-protos.h (mmix_legitimize_address): Remove.
	* config/mmix/mmix.c (mmix_legitimate_address): Rename to...
	(mmix_legitimate_address_p): ... this, make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

	* config/bfin/bfin.h (GO_IF_LEGITIMATE_ADDRESS): Delete.
	* config/bfin/bfin-protos.h (bfin_legitimate_address_p): Remove.
	* config/bfin/bfin.c (bfin_legitimate_address_p): ... Make static.
	(TARGET_LEGITIMATE_ADDRESS_P): New.

2009-05-14  Paolo Bonzini  <bonzini@gnu.org>

	* config/arm/arm.h (PROMOTE_FUNCTION_MODE): Remove handling
	of MODE_COMPLEX_INT.

2009-05-14  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/alpha/alpha.c (alpha_initialize_trampoline): Change 0 to
	LCT_NORMAL in function call.
	* mips-tdump.c (print_file_desc): Add cast to enum type.
	* mips-tfile.c (add_ext_symbol): Add casts to enum types.
	(mark_stabs): Add casts to enum types.
	(parse_stabs_common): Add casts to enum types.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.c (mips_print_operand) <REG, MEM, default>:
	Check for invalid values of LETTER.

2009-05-13  Taras Glek  <tglek@mozilla.com>

	* attribs.c (register_attribute): moved out attribute registration
	into register_attribute.
	* doc/plugins.texi: Documented register_attribute and
	PLUGIN_ATTRIBUTES.
	* gcc-plugin.h: Added forward decl for register_attribute.
	* gcc-plugin.h (plugins_event): Added PLUGIN_ATTRIBUTES.
	* plugin.c (register_callback, invoke_plugin_callbacks): Added
	PLUGIN_ATTRIBUTES boilerplate.

2009-05-14  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config/i386/msformat-c.c (ms_printf_length_specs):  Use enumeration
	values even in sentinel and empty entries.
	(ms_printf_flag_specs):  Likewise.
	(ms_scanf_flag_specs):  Likewise.
	(ms_strftime_flag_specs):  Likewise.
	(ms_print_char_table):  Likewise.
	(ms_scan_char_table):  Likewise.
	(ms_time_char_table):  Likewise.

2009-05-13  Doug Kwan  <dougkwan@google.com>

	* tree-ssa-sccvn.c (compare_ops): Stabilize qsort.

2009-05-13  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.md (store): Add attributes for QI and HI.
	Update comment.
	(truncdisi2, truncdihi2, truncdiqi2): Merge these into ...
	(truncdi<mode>2): ... this new pattern.

2009-05-13  Brad Hards  <bradh@kde.org>

	* Makefile.in (TEXI_GCCINT_FILES): Add plugins.texi.

2009-05-14  Jakub Jelinek  <jakub@redhat.com>
	    Ben Elliston <bje@au.ibm.com>

	PR middle-end/40035
	* dse.c (check_mem_read_rtx): Guard against width == -1.

2009-05-13  Michael Matz  <matz@suse.de>

	PR middle-end/39976
	* tree-outof-ssa.c (maybe_renumber_stmts_bb): New function.
	(trivially_conflicts_p): New function.
	(insert_backedge_copies): Use it.

2009-05-13  Janis Johnson  <janis187@us.ibm.com>

	* c-pragma.c (enum pragma_switch_t): Prefix constants with PRAGMA_.
	(handle_stdc_pragma): Use new enum constant names.
	(handle_pragma_float_const_decimal64): Ditto.

2009-05-13  Ian Lance Taylor  <iant@google.com>

	* Makefile.in (build/gencheck.o): Depend upon all-tree.def, not
	tree.def.

2009-05-13  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/t-uclinux (M68K_MLIB_CPU): Check for FL_UCLINUX.
	* config/m68k/m68k-devices.def: Add FL_UCLINUX to 68020 and 54455
	multilibs.
	* config/m68k/m68k.h (FL_UCLINUX): Define.

2009-05-13  Jan Hubicka  <jh@suse.cz>

	* options.c (gfc_post_options): -fwhole-program imply -fwhole-file.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.h (OVERRIDE_OPTIONS): Clear flag_schedule_insns
	unless -fschedule-insns is specified.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/39561
	* config/sh/sh.h (OPTIMIZATION_OPTIONS): Don't set
	TARGET_EXPAND_CBRANCHDI4.
	* config/sh/sh.md (cbranchdi4): Don't check TARGET_EXPAND_CBRANCHDI4.
	* config/sh/sh.opt (mexpand-cbranchdi): Remove.
	(cmpeqdi): Fix comment.

2009-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh-protos.h (sh_legitimate_index_p): Declare.
	(sh_legitimate_address_p): Likewise.
	* config/sh/sh.c (sh_legitimate_index_p): New.
	(sh_legitimate_address_p): Likewise.
	* config/sh/sh.h (REG_OK_FOR_BASE_P): Add STRICT parameter.
	(REG_OK_FOR_INDEX_P, SUBREG_OK_FOR_INDEX_P): Likewise.
	(MODE_DISP_OK_4, MODE_DISP_OK_8): Remove.
	(MAYBE_BASE_REGISTER_RTX_P): New macro.
	(MAYBE_INDEX_REGISTER_RTX_P): Likewise.
	(BASE_REGISTER_RTX_P): Use MAYBE_BASE_REGISTER_RTX_P.
	(INDEX_REGISTER_RTX_P): Use MAYBE_INDEX_REGISTER_RTX_P.
	(GO_IF_LEGITIMATE_INDEX): Use sh_legitimate_index_p.
	(GO_IF_LEGITIMATE_ADDRESS): Use sh_legitimate_address_p.

2009-05-12  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (estimate_operator_cost): Add operands;
	when division happens by constant, it is cheap.
	(estimate_num_insns): Loads and stores are not having cost of 0;
	EH magic stuff is cheap; when computing runtime cost of switch,
	use log2 base of amount of its cases; builtin_expect has cost of 0;
	compute cost for moving return value of call.
	(init_inline_once): Initialize time_based flags.
	* tree-inline.h (eni_weights_d): Add time_based flag.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

	* df-core.c: Update head documentation.

2009-05-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR bootstrap/40118
	* rs6000.c (rs6000_generate_compare): Use op1b instead of
	shadowing exisiting variable op1.

2009-05-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/37179
	* config/i386/driver-i386.c (processor_signatures): New enum.
	(SIG_GEODE): Move from vendor_signatures to processor_signatures.
	(host_detect_local_cpu): For SIG_AMD vendor, check for SIG_GEODE
	processor signature to detect geode processor.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

	Revert:

	2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (prepare_cmp_insn): Temporarily disable test that
	causes spurious differences between trunk and cond-optab branch.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

	* dojump.c (compare_from_rtx): Delete.
	* expmed.c (emit_store_flag): Only try cstore_optab.  Canonicalize
	any MODE_CC mode to the cstorecc4 pattern.  Use prepare_operand, fail
	if the comparison does not satisfy the predicate; test predicates for
	operands 2 and 3 of a cstore pattern.  Don't try cstore optab
	further if one existing pattern fails.
	* expr.h (compare_from_rtx): Delete.
	(prepare_operand): Declare it.
	* optabs.c: Change "lib call" to "libcall" throughout.
	(bcc_gen_fctn, setcc_gen_code, trap_rtx,
	HAVE_conditional_trap, emit_cmp_insn): Delete.
	(can_compare_p): Delete cmp_optab case.
	(prepare_float_lib_cmp): Return an rtx and a machine mode.
	Accept other parameters by value.
	(prepare_operand): Make non-static.
	(prepare_cmp_insn): Return an rtx and a machine mode.  Accept
	other parameters by value.  Try to widen operands here based on
	an optab_methods argument and looking at cbranch_optab.
	(emit_cmp_and_jump_insn_1): Accept test and mode, remove widening
	loop.  Use cbranch_optab directly.
	(emit_cmp_and_jump_insns): Fix comment.  Adjust call to
	prepare_cmp_insn and emit_cmp_and_jump_insn_1, remove obsolete
	assertion.
	(emit_conditional_move, emit_conditional_add): Inline what's needed
	of compare_from_rtx, using new prepare_cmp_insn for the rest.
	(init_optabs): Init cmp_optab with UNKNOWN, cbranch_optab
	with COMPARE.  Move cmov_optab and cstore_optab above
	with cbranch_optab, move cmp_optab down with ucmp_optab,
	remove tst_otpab.  Do not initialize trap_rtx.
	(gen_cond_trap): Do it here.  Use ctrap_optab.  Test predicate
	for trap code.  Do not check HAVE_conditional_trap.  Use
	prepare_cmp_insn.  Accept no predicate for operand 3.
	* optabs.h (OTI_cmp): Mark as used only for libcalls.
	(OTI_ctrap, ctrap_optab): New.
	(tst_optab): Delete.
	(bcc_gen_fctn, setcc_gen_code, emit_cmp_insn): Delete.
	* ifcvt.c (find_if_header): Replace HAVE_conditional_trap
	with lookup of ctrap_optab.
	* genopinit.c (cmp_optab, tst_optab, bcc_gen_fctn, setcc_gen_code):
	Delete.
	(ctrap_optab): New.

	* combine.c (combine_simplify_rtx, simplify_set): Do not
	special case comparing against zero for cc0 machines.
	* simplify-rtx.c (simplify_binary_operation_1): Never remove
	COMPARE on cc0 machines.
	(simplify_relational_operation): Return a new expression when
	a COMPARE could be removed.
	* final.c (final_scan_insn): Compare cc_status values
	against LHS of a (compare FOO (const_int 0)) cc0 source.
	Also check if cc_status.value is the full compare.

	* doc/md.texi (bCC, sCC, tstMM, cmpMM): Delete.
	(cstoreMM4): Document.
	(conditional_trap): Document ctrapMM4 instead.
	(sync_compare_and_swapMM): Refer to cbranchcc4.
	(Dependent Patterns): Eliminate obsolete information referring to
	the old jump optimization phase.
	(Canonicalization): Include cbranchcc4 case, omit canonicalization
	of compares with 0 on cc0 machines.
	(Jump Patterns): Refer to MODE_CC jump patterns preferably,
	avoiding references to cc0.  Remove text about storing operands
	in cmpMM.
	* doc/tm.texi (Condition Codes): Include blurb on different
	condition code representations, separate into subsections for
	CC0, MODE_CC and conditional execution.

	* config/alpha/alpha-protos.h (alpha_emit_conditional_branch,
	alpha_emit_setcc): Accept operands and a machine mode.
	* config/alpha/alpha.c (alpha_emit_conditional_branch):
	Get code/op0/op1 from operands, use machine mode argument
	instead of alpha_compare.fp_p.  Emit the branch here.
	(alpha_emit_setcc): Likewise, and return boolean.
	(alpha_emit_conditional_move): Likewise.  Assert that
	cmp_op_mode == cmp_mode, and simplify accordingly.
	* config/alpha/alpha.h (struct alpha_compare, alpha_compare): Delete.
	* config/alpha/alpha.md (cmpdf, cmptf, cmpdi, bCC, sCC): Delete.
	(cbranchdf4, cbranchtf4, cbranchdi4, cstoredf4, cstoretf4,cstoredi4):
	Delete.
	(stack probe test): Use cbranchdi4.
	* config/alpha/predicates.md (alpha_cbranch_operator): New.

	* config/arc/arc.c (gen_compare_reg): Do not emit cmp.
	* config/arc/arc.h (movsicc, movsfcc): Use it.
	(movdicc, *movdicc_insn, movdfcc, *movdfcc_insn): Remove.
	(cbranchsi4, cstoresi4): New.
	(cmpsi, bCC and sCC expanders): Remove.

	* config/arm/arm.c (arm_compare_op0, arm_compare_op1): Delete.
	* config/arm/arm.h (arm_compare_op0, arm_compare_op1): Delete.
	* config/arm/predicates.md (arm_comparison_operator): Only include
	floating-point operators if there is a hardware floating-point unit.
	* config/arm/arm.md (cbranchsi4, cstoresi4): Enable for TARGET_32BIT,
	deferring to cbranch_cc and cstore_cc respectively.
	(cbranchsf4, cbranchdf4, cbranchdi4, cstoresf4, cstoredf4, cstoredi4,
	cbranch_cc, cstore_cc): New.
	(movsicc, movsfcc, movdfcc): Do not use arm_compare_op0 and
	arm_compare_op1.
	(bCC, sCC, cmpsi, cmpsf, cmpdf, cmpdi): Delete.

	* config/avr/avr-protos.h (out_tstsi, out_tsthi): Adjust prototype.
	* config/avr/avr.c (out_tstsi, out_tsthi): Get the tested operand
	as an argument.
	(adjust_insn_length): Adjust calls.
	(avr_reorg): Handle (compare (foo) (const_int 0)).
	* config/avr/avr.md (tstqi, tsthi, tstsi): Remove.
	(*negated_tstqi, *negated_tsthi, *negated_tstsi): Unmacroize.
	(*reversed_tsthi, *reversed_tstsi): Add a scratch for simplicity.
	(cmpqi, cmphi, cmpsi): Prepend asterisk, fuse tst[qhs]i here.
	(bCC): Remove.
	(cbranchqi4, cbranchhi4, cbranchsi4): New.
	(tst -> sbrc/sbrs peephole2, cpse peephole): Wrap RHS with COMPARE.

	* config/bfin/bfin.md (cmpbi, cmpsi, bCC, sCC): Delete.
	(cbranchsi4, cstorebi4, cstoresi4): New.
	(movbisi): This insn is duplicate, split it to zero_extend.
	* config/bfin/bfin.c (bfin_compare_op0, bfin_compare_op1): Delete
	(bfin_gen_compare): Do not use them.  Emit VOIDmode SET, not BImode.
	(bfin_optimize_loop): Use cbranch expander.
	* config/bfin/bfin.h (bfin_compare_op0, bfin_compare_op1): Delete.
	* config/bfin/predicates.md (bfin_cbranch_operator): Rename to...
	(bfin_bimode_comparison_operator): ... this.
	(bfin_direct_comparison_operator): New.

	* config/cris/cris.c (cris_normal_notice_update_cc): Look
	inside (compare FOO (const_int 0)).
	(cris_rtx_costs): Handle ZERO_EXTRACT.
	* config/cris/cris.md (tstdi, tst<mode>, cmpdi): Delete.
	(*tstdi_non_v32): Fold in *cmpdi_non_v32.
	(*tstdi_v32): Delete.
	(*cmpdi_non_v32): Add M alternative for operand 1.
	(cmpsi, cmp<mode>): Make private.
	(*tstsi, *tst<mode>_cmp, *tst<mode>_non_cmp, *btst): Wrap LHS
	with COMPARE.
	(cbranch<mode>4, cbranchdi4, cstore<mode>4): New.

	* config/crx/crx.md (cstore<mode>4, cbranchcc4): New.
	(cmp<mode>, bCOND_internal, b<code>, s<code>): Delete.
	(cbranch<mode>4, sCOND_internal): Use ordered_comparison_operator.
	(cc_reg_operand): New.
	(any_cond): Delete.
	* config/crx/crx.c (crx_compare_op0, crx_compare_op1,
	crx_expand_compare, crx_expand_branch, crx_expand_scond): Delete.
	* config/crx/crx.h (crx_compare_op0, crx_compare_op1): Delete.
	* config/crx/crx-protos.h (crx_expand_compare, crx_expand_branch,
	crx_expand_scond): Delete.

	* config/fr30/fr30.md (cmp<mode>, bCC): Delete.
	(cbranchsi4): New.
	* config/fr30/fr30.c (fr30_compare_op0, fr30_compare_op1): Delete
	* config/fr30/fr30.h (fr30_compare_op0, fr30_compare_op1): Delete.

	* config/frv/frv.md (cbranchsi4, cbranchsf4, cbranchdf4,
	cstoresi4, cstoresf4, cstoredf4): New.
	(cmpdi, cmpsi, cmpsf, cmpdf, bCC, sCC): Remove.
	* config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
	Receive the entire operands array.
	* config/frv/frv.h (frv_compare_op0, frv_compare_op1): Delete.
	* config/frv/frv.c (frv_compare_op0, frv_compare_op1): Delete.
	* config/frv/frv-protos.h (frv_emit_cbranch, frv_emit_scc):
	Get test/op0/op1 from the operands array.
	(frv_emit_cond_move): Get test/op0/op1 from the test_rtx.

	* config/h8300/h8300-protos.h (h8300_expand_branch): Accept operands.
	(h8300_expand_store): New.
	* config/h8300/h8300.c (h8300_rtx_costs): Handle (compare FOO
	(const_int 0)).
	(h8300_expand_branch): Emit compare here.  Adjust for new arguments.
	(h8300_expand_store): New.
	* config/h8300/h8300.md (btst combine patterns): Wrap with COMPARE
	or do not try to produce (set (cc0) REG).
	(peepholes): Wrap arguments with COMPARE.  Add a peephole to
	change a compare into a move to a scratch register.  Disable some
	peepholes when comparing with zero.
	(tstsi, tsthi, tstsi, cmpqi): Make private.
	(cmphi): Delete.
	(bCC, sCC): Delete.
	(cbranchqi4, cbranchhi4, cbranchsi4, cstoreqi4, cstorehi4,
	cstoresi4): New.

	* config/i386/i386.c (ix86_expand_int_movcc, ix86_expand_int_addcc,
	ix86_expand_fp_movcc): Set ix86_compare_op0 and ix86_compare_op1.
	(ix86_emit_i387_log1p): Use gen_cbranchxf4.
	(ix86_emit_i387_log1p): Use cbranchxf2.
	(ix86_expand_setcc): Return void.
	* config/i386/i386-protos.h (ix86_expand_setcc): Return void.
	* config/i386/i386.md (cmpti, cmpdi, cmpsi, cmphi, cmpqi, cmpxf,
	cmp<MODEF>, cmpcc): Remove.
	(cbranchti4, cbranchdi4, cbranchsi4, cbranchhi4, cbranchqi4,
	cbranchxf4, cbranch<MODEF>4, cbranchcc4, cstoredi4, cstoresi4,
	cstorehi4, cstoreqi4, cstorexf4, cstore<MODEF>4, cstorecc): New.
	(sCC and bCC expanders): Remove.
	(stack_protect_test): Use cbranchcc4.

	* config/ia64/ia64-protos.h (ia64_compare_op0, ia64_compare_op1):
	Delete.
	(ia64_expand_compare): Accept three rtx by reference and return void.
	* config/ia64/ia64.c (ia64_compare_op0, ia64_compare_op1): Delete.
	(ia64_expand_compare): Replace op0/op1 with *op0/*op1.  Get code
	from *expr.  Update *expr with the BImode comparison to do.
	* config/ia64/ia64.md (cmpbi, cmpsi, cmpdi, cmpsf, cmpdf, cmpxf,
	cmptf, bCC, sCC, conditional_trap): Delete.
	(cbranchbi4, cbranchsi4, cbranchdi4, cbranchsf4, cbranchdf4,
	cbranchxf4, cbranchtf4, cstorebi4, cstoresi4, cstoredi4, cstoresf4,
	cstoredf4, cstorexf4, cstoretf4, ctrapbi4, ctrapsi4, ctrapdi4,
	ctrapsf4, ctrapdf4, ctrapxf4, ctraptf4): New.
	* config/ia64/predicates.md (ia64_cbranch_operator): New.

	* config/iq2000/iq2000-protos.h (gen_conditional_branch): Change
	type of last argument.
	* config/iq2000/iq2000.c (branch_cmp, branch_type): Remove.
	(gen_conditional_branch): Get code/cmp0/cmp1 from operands,
	use machine mode argument instead of branch_type.  Remove dead
	code for floating-point comparisons.
	* config/iq2000/iq2000.h (branch_cmp, branch_type): Remove.
	* config/iq2000/iq2000.md (cmpsi, cmpdi, cmpsf, cmpdf, tstsi, bCC):
	Remove.
	(cbranchsi4, cstoresi4): New.
	* config/iq2000/predicates.md (reg_or_const_operand): New.

	* config/m32c/m32c.md (cbranch splitter): Use match_op_dup.
	* config/m32c/m32c.md (any_cond, gl_cond): Delete.
	(b<code>_op): Rewrite to...
	(bcc_op): ... this, using match_operator.
	(s<code>_op): Rewrite to...
	(scc_op): ... this, using match_operator.
	(s<code>_24_op): Rewrite to...
	(scc_op_24): ... this, using match_operator.
	(s<code>_<mode>): Rewrite to...
	(cstore<mode>4): ... this, using match_operator.
	(s<code>_<mode>_24): Rewrite to...
	(cstore<mode>4_24): ... this, using match_operator.
	* config/m32c/m32c-protos.h (m32c_cmp_flg_0, m32c_pend_compare,
	m32c_unpend_compare, m32c_expand_scc): Delete.
	* config/m32c/m32c.c (compare_op0, compare_op1, m32c_cmp_flg_0,
	m32c_pend_compare, m32c_unpend_compare, m32c_expand_scc): Delete.
	(m32c_expand_movcc): Change NE to EQ if necessary.
	(m32c_init_libfuncs): Modify cstore optab instead of setcc_gen_code.

	* config/m32r/m32r-protos.h (gen_cond_store): New.
	* config/m32r/m32r.c (m32r_compare_op0, m32r_compare_op1): Delete.
	(gen_cond_store): New, from sCC patterns.
	(m32r_expand_block_move): Use cbranchsi4.
	* config/m32r/m32r.h (m32r_compare_op0, m32r_compare_op1): Delete.
	* config/m32r/m32r.md (cmpsi, bCC, sCC): Delete.
	(cbranchsi4, cstoresi4): New.

	* config/m68hc11/m68hc11.c (m68hc11_compare_op0, m68hc11_compare_op1):
	Delete.
	(m68hc11_rtx_costs_1, m68hc11_rtx_costs): Handle ZERO_EXTRACT.
	(m68hc11_notice_update_cc): Look into a compare with 0.
	* config/m68hc11/m68hc11.h (m68hc11_compare_op0, m68hc11_compare_op1):
	Delete.
	* config/m68hc11/m68hc11.md (tstsi, tsthi, tstqi, cmpsi,
	cmphi, cmpqi, bCC): Delete.
	(cbranchsi4, cbranchhi4, cbranchqi4): New.
	(tstqi_1, tstqi_z_used, tstqi_1, bitcmpqi, bitcmpqi_z_used,
	bitcmpqi_12, bitcmphi, various splits and peephole2s): Wrap cc0<-reg
	sets with COMPARE.

	* config/m68k/predicates.md (m68k_cstore_comparison_operator,
	const0_operand, const1_operand, m68k_subword_comparison_operand): New.
	* config/m68k/constraints.md (H): New.
	* config/m68k/m68k.md (tstdi): Remove define_expand, use name for
	the define_insn below.
	(tstsi, tsthi, tst<FP:mode>, cmphi, cmpqi, cmp<FP:mode>): Delete.
	(*tstsi_internal_68020_cf, *tstsi_internal, *tsthi_internal,
	*tstqi_internal, tst<mode>_6881, tst<mode>_cf, many unnamed
	patterns): Wrap RHS with COMPARE.
	(tst<FP>_68881, tst<FP>_cf): Use const0_operand.
	(*cmpdi_internal): Name this pattern.
	(cmpdi): Change to define_insn.
	(cbranchdi4, cstoredi4, cbranchsi4, cstoresi4, cbranchhi4, cstorehi4,
	cbranchqi4, cstoreqi4, cbranch<FP:mode>4, cstore<FP:mode>4): New.
	(scc0_di, scc0_di_5200, scc_di): Use the ordered_comparison_operator
	predicate.
	(seq, sne, sgt, sgtu, slt, sltu, sge, sgeu, sle, sleu, sordered,
	sunordered, suneq, sunge, sungt, sunle, sunlt, sltgt): Delete
	(conditional_trap): Change to...
	(ctrapdi4, ctrapsi4, ctraphi4, ctrapqi4): ... these.
	(*conditional_trap): Use the ordered_comparison_operator and
	const1_operand predicates.
	* config/m68k/m68k.c (m68k_last_compare_had_fp_operands): Delete.
	(m68k_expand_prologue): Use ctrapsi4 instead of cmpsi+conditional_trap.
	(m68k_rtx_costs): Look for ZERO_EXTRACT in a COMPARE.
	* config/m68k/m68k.h (m68k_last_compare_had_fp_operands): Delete.

	* config/mcore/mcore-protos.h (arch_compare_op0, arch_compare_op1,
	mcore_modify_comparison, mcore_gen_compare_reg): Remove.
	(mcore_gen_compare): New.
	* config/mcore/mcore.c (arch_compare_op0, arch_compare_op1): Delete.
	(mcore_modify_comparison, mcore_gen_compare_reg): Fold into...
	(mcore_gen_compare): ... this.
	* config/mcore/mcore.md (cmpsi, bCC, sCC): Remove.
	(cbranchsi4, cstoresi4): New, using mcore_gen_compare.
	(stack probe pattern): Use cbranchsi4.

	* config/mips/predicates.md (mips_cstore_operator): New.
	* config/mips/mips-ps-3d.md (movv2sfcc): Do not use cmp_operands.
	* config/mips/mips.md (any_cond): Delete.
	(conditional_trap): Rename to ctrap<GPR:mode>4.  Adjust predicates,
	always succeed.
	(fixuns_truncdfsi2, fixuns_truncdfdi2, fixuns_truncsfsi2,
	fixuns_truncsfdi2): Use cbranch patterns.
	(cmp<GPR:mode>, cmp<SCALARF:mode>): Delete.
	(b<code>): Change to cbranch<GPR:mode>4 and cbranch<SCALARF:mode>4.
	Adjust call to mips_expand_conditional_branch.
	(seq, sne, slt<u>, sle<u>, sgt<u>, sge<u>): Change to
	cstore<GPR:mode>4.
	* config/mips/mips-protos.h (mips_expand_conditional_branch,
	mips_expand_scc, mips_expand_conditional_trap): Adjust prototypes.
	* config/mips/mips.c (cmp_operands): Delete.
	(mips_emit_compare): Get comparison operands from *op0/*op1.
	(mips_expand_scc): Get code/op0/op1/target from operands.  Assert
	that it succeeds.  Use op0/op1 instead of cmp_operands.
	(mips_expand_conditional_branch, mips_expand_conditional_move,
	mips_expand_conditional_trap): Likewise.
	(mips_block_move_loop): Use cbranch patterns.
	* config/mips/mips.h (cmp_operands): Delete.

	* config/mmix/mmix.c (mmix_valid_comparison): Delete.
	(mmix_gen_compare_reg): Just return a register in the right CC mode.
	* config/mmix/mmix.h (mmix_compare_op0, mmix_compare_op1): New.
	* config/mmix/mmix.md (cmpdi, cmpdf): Remove.
	(*cmpcc_folded): Rename to...
	(*cmpdi_folded): this.
	(*cmpcc): Rename to...
	(*cmps): ... this.
	(movdfcc, movdicc): Adjust for new semantics of mmix_gen_compare_reg.
	(bCC): Remove.
	(cbranchdi4): New.
	(cbranchdf4): New.  Handle invalid comparisons here.
	* config/mmix/predicates.md (float_comparison_operator): New.

	* config/mn10300/mn10300.c (mn10300_rtx_costs): Consider 0 and
	zero_extract to be cheap in (compare (zero_extract) (const_int 0).
	* config/mn10300/mn10300.md (tst): Delete.
	(*tst_extqisi_am33, *tst_extqisi, *tst_exthisi_am33, *tst_exthisi):
	Name these patterns and wrap RHS in a compare.
	(*cmpsi): Make this pattern private.  Include tst.
	(*cmpsf): Make this pattern private.
	(and and zero_extract cc0 set): Wrap RHS in a COMPARE.
	(compare with zero peepholes): Likewise.
	(bCC): Remove.
	(cbranchsi4, cbranchsf4): New.
	(casesi): Use cbranchsi4.

	* config/pa/pa.c (hppa_compare_op0, hppa_compare_op1,
	hppa_branch_type): Delete.
	(return_addr_rtx): Use cbranchsi4.
	(emit_bcond_fp): Accept all operands.  Replace CODE with NE.
	Emit CCFPmode comparison here.
	(gen_cmp_fp): Delete, now part of emit_bcond_fp.
	* config/pa/pa.h (enum cmp_type, hppa_compare_op0, hppa_compare_op1,
	hppa_branch_type): Delete.
	* config/pa/pa.md (cmpdi, cmpsi, cmpsf, cmpdf, sCC, bCC): Delete.
	(movsicc, movdicc): Remove references to hppa_compare_op0,
	hppa_compare_op1 and compare_from_rtx.
	(cbranchdi4, cbranchsi4, cbranchsf4, cbranchdf4, cstoresi4): New.
	(casesi): Use cbranchsi4.

	* config/pdp11/pdp11-protos.h (output_jump): Change prototype.
	* config/pdp11/pdp11.c (output_jump): Embed opcodes here.
	* config/pdp11/pdp11.md (register_or_const0_operand): New.
	(cmpdf, cmphi, cmpqi): Make private.  Add tst alternatives.
	(cmpsi, tstsi, tstdf, tsthi, tstqi): Delete.
	(bCC): Delete.
	(cbranchdf4, cbranchhi4, cbranchqi4): New.
	(*branch, *branch_inverted): New.

	* config/picochip/picochip.md (cbranchhi4): Use
	ordered_comparison_operator.
	(cmphi, bCC): Remove.

	* config/rs6000/predicates.md (rs6000_cbranch_operator): New.
	(trap_comparison_operator): Delete.
	* config/rs6000/rs6000-protos.h (rs6000_emit_sCOND,
	rs6000_emit_cbranch): Accept mode and operands.
	* config/rs6000/rs6000.c (rs6000_compare_op0, rs6000_compare_op1,
	rs6000_compare_fp_p): Delete.
	(rs6000_generate_compare): Accept mode and comparison.  Extract code
	and op0/op1 from there.  Replace references to rs6000_compare_op0
	and rs6000_compare_op1.
	(rs6000_emit_sCOND): Adjust call to rs6000_generate_compare and
	extract result from passed operands.
	(rs6000_emit_cbranch): Adjust call to rs6000_generate_compare and
	extract loc from passed operands.
	(rs6000_emit_cmove): Likewise.
	* config/rs6000/rs6000.h (rs6000_compare_op0, rs6000_compare_op1,
	rs6000_compare_fp_p): Delete.
	* config/rs6000/rs6000.md (cmp<GPR>, cmp<FP>, bCC, sCC): Delete.
	(cbranch<GPR>4, cbranch<FP>4): New.
	(cstore<mode>4): New.  Consolidate here all choices about when to use
	portable or specialized sCC sequences.
	(stack_protect_test): Use cbranchsi4.
	(conditional_trap): Replace with ctrap<GPR>4.
	(conditional trap insn): Replace trap_comparison_operator with
	ordered_comparison_operator.

	* config/s390/s390.c (s390_compare_op0, s390_compare_op1): Delete.
	(s390_emit_prologue): Use ctrap.
	* config/s390/s390.h (s390_compare_op0, s390_compare_op1): Delete.
	* config/s390/predicates.md (s390_eqne_operator, s390_scond_operator):
	New predicates replacing...
	* config/s390/s390.md (COMPARE, SCOND): ... these iterators.
	(cmp<GPR>, cmp<FP>, cmpcc): Delete.
	(trunc patterns): Use emit_cmp_and_jump_insns instead of cmp/branch.
	(add<mode>cc): Do not use s390_compare_op0/op1.
	(s<code>): Change to...
	(cstore<mode>4): ... this. Do not use s390_compare_op0/op1.
	(seq): Change to...
	(cstorecc4): ... this.  Handle EQ or NE equally.
	(*sne): Un-privatize for use in cstorecc4.
	(b<code>): Change to...
	(cbranch<GPR>4, cbranch<FP>4, cbranchcc4): ... these.
	(conditional_trap): Replace with...
	(ctrap<GPR>4, ctrap<FP>4): ... these.
	(stack_protect): Use cbranchcc4.

	* config/score/score-conv.h (cmp_op0, cmp_op1): Delete.
	* config/score/score-protos.h (score_gen_cmp): Delete.
	* config/score/score.c (cmp_op0, cmp_op1, score_gen_cmp): Delete.
	(score_block_move-loop): Use cbranchsi4.
	* config/score/score.md (cbranchsi4): New.
	(cmpsi, bCC): Delete.
	* config/score/score3.c (cmp_op0, cmp_op1, score3_gen_cmp): Delete.
	(score3_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
	* config/score/score7.c (cmp_op0, cmp_op1, score7_gen_cmp): Delete.
	(score7_movsicc): Use ops[1] operands instead of cmp_op0/cmp_op1.
	* config/score/score3.h (score3_gen_cmp): Delete.
	* config/score/score7.h (score7_gen_cmp): Delete.

	* config/sh/sh-protos.h (prepare_scc_operands): Rename to...
	(sh_emit_scc_to_t): ... this.  Return void.
	(from_compare): Rename to...
	(sh_emit_compare_and_branch): ... this.
	(sh_emit_compare_and_set): New.
	(sh_expand_t_scc): Accept operands.
	* config/sh/predicates.md (sh_float_comparison_operator): New.
	* config/sh/sh.c (sh_compare_op0, sh_compare_op1): Delete.
	(prepare_scc_operands): Rename to...
	(sh_emit_scc_to_t): ... this.  Return void.  Get op0/op1 from
	arguments.
	(sh_emit_cheap_store_flag): New.
	(sh_emit_set_t_insn): New.
	(from_compare): Rename to...
	(sh_emit_compare_and_branch): ... this.  Accept mode.  Rewrite
	handling of TARGET_SH2E floating point to avoid recursive call.
	Generate branch here.
	(sh_emit_compare_and_set): New.
	(sh_expand_t_scc): Get op0/op1 from arguments.
	(sh_emit_cheap_store_flag): New.
	* config/sh/sh.md (cbranchdi4, cbranchsi4): Include -mno-cbranchdi
	cases.
	(cbranchdi4_i): Use an "I08" constraint instead of an "i" constraint.
	(cmpsi, cmpdi, cmpsf, cmpdf): Delete.
	(movsicc, movdicc): Do nothing when it recreated operands from
	sh_compare_*. Use sh_emit_cheap_store_flag.  Adjust call to
	prepare_scc_operands (now sh_emit_scc_to_t).
	(udivdi3): Use cstoresi4.
	(beq_media, bne_media, bge_media, bgtu_media, bgeu_media, beq,
	bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu, bunordered): Delete.
	(cbranchint4_media, cbranchfp4_media): New.
	(casesi): Use cbranchdi4.
	(seq, slt, sle, sgt, sge, sgtu, sltu, sgeu, sne, sleu, sunordered):
	Delete.
	(cstore4_media, cstoresi4, cstoredi4, cstoresf4, cstoredf4): New.
	(movnegt): Remove second operand.
	(cbranchsf4, cbranchdf4): New.
	(stack_protect): Use cbranchdi4/cbranchsi4.

	* config/sparc/sparc.c (sparc_compare_op0, sparc_compare_op1): Delete.
	(gen_compare_reg): Accept comparison, extract part of it to...
	(gen_compare_reg_1): ... this.
	(gen_compare_operator): Delete.
	(gen_v9_scc): Accept separate destination, comparison code and arms.
	Do not use sparc_compare_op0/sparc_compare_op1.
	(emit_scc_insn, emit_conditional_branch_insn): New.
	(emit_v9_brxx): Make static.  Remove useless assertion.
	(sparc_emit_float_lib_cmp): Return RTL instead of calling
	emit_cmp_insn.
	(sparc_expand_compare_and_swap_12): Use gen_compare_reg_1+cbranchcc4.
	* config/sparc/sparc-protos.h (gen_compare_reg,
	sparc_emit_float_lib_cmp): Adjust prototype.
	(emit_scc_insn, emit_conditional_branch_insn): New.
	(gen_v9_scc, emit_v9_brxx_insn, gen_compare_operator): Delete.
	* config/sparc/sparc.h (sparc_compare_op0, sparc_compare_op1): Delete.
	* config/sparc/sparc.md (P, I, F, V32, V32I, V64, V64I): Move all
	iterators to the top.
	(cmpsi, cmpdi, cmpsf, cmpdf, cmptf, seqsi_special_extend,
	snesi_special_extend, sCC, bCC, seqdi_special_trunc,
	snedi_special_trunc): Delete.
	(seqdi_special, snedi_special): Use expansion of seqdi_special_trunc
	and snedi_special_trunc.
	(cstoresi4, cstoredi4, cstore<F:mode>4, cbranchcc4, cbranchsi4,
	cbranchdi4, cbranch<F:mode>4): New.
	(mov<I:mode>cc, mov<F:mode>cc): Handle sparc_emit_float_lib_cmp
	here.  Use gen_compare_reg instead of gen_compare_operator.
	(conditional_trap): Replace with...
	(ctrapsi4, ctrapdi4): ... this.
	(stack_protect_test): Use cbranchcc4.

	* config/spu/spu-protos.h (spu_emit_branch_or_set): Change second
	argument to rtx.
	* config/spu/spu.c (spu_compare_op0, spu_compare_op1): Remove.
	(spu_emit_branch_or_set): Get code/op0/op1 from second argument.
	Change spu_compare_op0/op1 to op0/op1 throughout.  Get target
	from operands[0] or operands[3] depending on is_set.
	* config/spu/spu.h (spu_compare_op0, spu_compare_op1): Remove.
	* config/spu/spu.md (cmp<mode:VQHSI>, cmp<mode:DTI>, cmp<mode:VSF>,
	cmpdf, bCC), sCC: Remove.
	(cbranch<mode:VQHSI>4, cbranch<mode:DTI>, cbranch<mode:VSF>4,
	cbranchdf4, cstore<mode:VQHSI>4, cstore<mode:DTI>, cstore<mode:VSF>4,
	cstoredf4): New.
	(mov<mode>cc): Accept ordered_comparison_operator, adjust call to
	spu_emit_branch_or_set.

	* config/stormy16/stormy16-protos.h (xstormy16_emit_cbranch):
	Add two arguments.
	* config/stormy16/stormy16.h (xstormy16_compare_op0,
	xstormy16_compare_op1): Delete.
	* config/stormy16/stormy16.c (xstormy16_compare_op0,
	xstormy16_compare_op1): Delete.
	(xstormy16_emit_cbranch): Get op0/op1 from the new arguments.
	Adjust calls.
	* config/stormy16/stormy16.md (cbranchsi4, cbranchhi4): New.
	(cmphi, cmpsi, bCC): Remove.

	* config/v850/v850.md (tstsi, cmpsi): Fold into...
	(*cmpsi): ... this one.
	(cbranchsi4, cstoresi4): New.
	(bCC expanders): Delete.
	(sCC insns): Fold into...
	(*setcc): ... this one.
	(casesi): Do not use gen_cmpsi and gen_bgtu.
	(various splits): Wrap "naked" RHS of a cc0 set with COMPARE.
	(movsicc): Simplify.
	* config/v850/v850.c (v850_rtx_costs): Handle ZERO_EXTRACT in COMPARE.

	* config/vax/vax-protos.h (cond_name): New.
	(vax_output_conditional_branch): Remove.
	* config/vax/vax.c (cond_name): New.
	(vax_output_conditional_branch): Remove.
	* config/vax/vax.h (PRINT_OPERAND): Dispatch %c to cond_name.
	* config/vax/vax.md (tst<VAXint>, tst<VAXfp>): Remove.
	(cmp<VAXint>, cmp<VAXfp>): Privatize.  Add constraints for tst.
	(bit<VAXint>): Wrap source with (compare).
	(b<code> and following unnamed pattern): Rename to *branch and
	*branch_reversed.  Change macroization to match_operator.
	(cbranch<VAXint>4, cbranch<VAXfp>4): New.

	* config/xtensa/predicates.md (xtensa_cstoresi_operator): New.
	* config/xtensa/xtensa-protos.h (xtensa_expand_conditional_branch):
	Change last argument to machine_mode.
	(xtensa_expand_scc): Add machine_mode argument.
	* config/xtensa/xtensa.c (branch_cmp, branch_type): Remove.
	(gen_conditional_move, xtensa_expand_conditional_branch,
	xtensa_expand_scc, xtensa_expand_conditional_move): Use mode
	instead of branch_type, fetch cmp0/cmp1/test_code from operands[].
	Adjust operand numbers.
	* config/xtensa/xtensa.h (enum cmp_type, branch_cmp, branch_type):
	Delete.
	* config/xtensa/xtensa.md (any_cond, any_scc): Delete.
	(cmpsi, cmpsf, b<code>, s<code>): Delete.
	(cbranchsi4, cbranchsf4, cstoresi4, cstoresf4): New.

2009-05-12  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (prepare_cmp_insn): Temporarily disable test that
	causes spurious differences between trunk and cond-optab branch.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

	PR target/37137
	* doc/install.texi (STAGE1_TFLAGS, BUILD_CONFIG): Document.

2009-05-12  Alexandre Oliva  <aoliva@redhat.com>

	* tree.c (iterative_hash_pointer): Delete.
	(iterative_hash_expr): Short-circuit handling of NULL pointer.
	Hash UIDs and versions of SSA names.  Don't special-case built-in
	function declarations.

2009-05-11  Ian Lance Taylor  <iant@google.com>

	PR bootstrap/40103
	* graphite.c: Force -Wc++-compat to only be a warning before
	#including "cloog/cloog.h".

2009-05-11  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (ipcp_cloning_candidate_p): Add missing return false.

2009-05-11  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-loop-ivcanon.c: Include target.h
	(struct loop_size): new structure.
	(constant_after_peeling): New predicate.
	(tree_estimate_loop_size): New function.
	(estimated_unrolled_size): Rewrite for new estimates.
	(try_unroll_loop_completely): Use new estimates.
	* Makefile.in (tree-ssa-loop-ivcanon.o): Add dependenc on target.h

2009-05-11  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/spu/spu-c.c (spu_categorize_keyword): Update for recent
	libcpp interface change.
	(spu_macro_to_expand): Likewise.

2009-05-11  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/40026
	* gimplify.c (gimplify_init_constructor): Change initial conditional
	to assertion.  Rewrite TREE_OPERAND (*expr_p, 1) after
	optimize_compound_literals_in_ctor.

2009-05-11  Nathan Sidwell  <nathan@codesourcery.com>

	* config/m68k/m68k-devices.def (52274, 52277, 5301x, 5225x, 51xx):
	New devices.
	* doc/invoke.texi (M680x0 Options): Document new coldfire cpus.

2009-05-11  H.J. Lu  <hongjiu.lu@intel.com>

	* tree-vect-data-refs.c (vect_analyze_group_access): Use
	HOST_WIDE_INT for gap.

2009-05-11  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/40074
	* tree-vect-data-refs.c (vect_analyze_group_access): Take gaps into
	account in group size and step comparison.

2009-05-11  Richard Guenther  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Strip now incorrect comment.
	(execute_function_todo): Do not set PROP_alias.
	* tree-pass.h (PROP_alias): Remove.
	* tree-ssa-structalias.c (pass_build_alias): Do not provide PROP_alias.
	* tree-if-conv.c (pass_if_conversion): Do not require PROP_alias.
	* tree-nrv.c (pass_return_slot): Likewise.
	* tree-object-size.c (pass_object_sizes): Likewise.
	* tree-ssa-dom.c (pass_dominator): Likewise.
	(pass_phi_only_cprop): Likewise.
	* tree-ssa-dse.c (pass_dse): Likewise.
	* tree-ssa-phiopt.c (pass_phiopt): Likewise.
	(pass_cselim): Likewise.
	* tree-ssa-pre.c (pass_pre): Likewise.
	(pass_fre): Likewise.
	* tree-ssa-reassoc.c (pass_reassoc): Likewise.
	* tree-ssa-sink.c (pass_sink_code): Likewise.
	* tree-stdarg.c (pass_stdarg): Likewise.
	* tree-tailcall.c (pass_tail_calls): Likewise.
	* tree-vrp.c (pass_vrp): Likewise.

2009-05-10  Ian Lance Taylor  <iant@google.com>

	* basic-block.h (enum profile_status): Break out of struct
	control_flow_graph.
	* cgraph.h (struct inline_summary): Break out of struct
	cgraph_local_info.
	* cgraphunit.c (enum cgraph_order_sort_kind): New enum, broken out
	of struct cgraph_order_sort.
	* combine.c (enum undo_kind): New enum, broken out of struct undo.
	* cse.c (struct branch_path): Break out of struct
	cse_basic_block_data.
	* except.h (enum eh_region_type): Break out of struct eh_region.
	* gcc.c (enum add_del): Break out of struct modify_target.
	* genrecog.c (enum decision_type): Break out of struct decision_test.
	* ggc-page.c (struct ggc_pch_ondisk): Break out of struct
	ggc_pch_data.
	* matrix-reorg.c (struct free_info): Break out of struct matrix_info.
	* regmove.c (enum match_use): New enum, broken out of struct match.
	* sched-int.h (enum post_call_group): New enum, broken out of
	struct deps.
	(struct deps_reg): Break out of struct deps.
	* target.h (struct asm_int_op): Break out of struct gcc_target.
	* tree-eh.c (struct goto_queue_node): Break out of struct
	leh_tf_state.
	* tree-inline.h (enum copy_body_cge_which): Break out of
	copy_body_data.
	* tree-pass.h (enum opt_pass_type): Break out of struct opt_pass.

	* c-decl.c (in_struct, struct_types): New static variables.
	(pushtag): Add loc parameter.  Change all callers.
	(lookup_tag): Add ploc parameter.  Change all callers.
	(check_compound_literal_type): New function.
	(parser_xref_tag): Add loc parameter.  Change all callers.  If
	-Wc++-compat, warn about struct/union/enum types defined within a
	struct or union.
	(start_struct): Add enclosing_in_struct, enclosing_struct_types,
	and loc parameters.  Change all callers.  Change error calls to
	error_at, using loc.  For a redefinition, if the location of the
	original definition is known, report it.  Set in_struct and
	struct_types.  If -Wc++-compat warn if in sizeof, typeof, or alignof.
	(finish_struct): Add new parameters enclosing_in_struct and
	enclosing_struct_types.  Change all callers.  Set
	C_TYPE_DEFINED_IN_STRUCT for all struct/union/enum types defined
	in the struct.  If in a struct, add this struct to struct_types.
	(start_enum): Add loc parameter.  Change all callers.  Use
	error_at for errors, using loc.  For a redefinition, if the
	location of the original definition is known, report it.  If in a
	struct, add this enum type to struct_types.  If -Wc++-compat warn
	if in sizeof, typeof, or alignof.
	* c-parser.c (disable_extension_diagnostics): Disable -Wc++-compat.
	(enable_extension_diagnostics): Reenable -Wc++-compat if appropriate.
	(c_parser_enum_specifier): Get enum location for start_enum.
	(c_parser_struct_or_union_specifier): Get struct location for
	start_struct.  Save in_struct and struct_types status between
	start_struct and finish_struct.
	(c_parser_cast_expression): Get location of cast.
	(c_parser_alignof_expression): Get location of type.
	(c_parser_postfix_expression): Likewise.
	(c_parser_postfix_expression_after_paren_type): Add type_loc
	parameter.  Change all callers.  Call check_compound_literal_type.
	Use type_loc for error about variable size type.
	* c-typeck.c (build_external_ref): If -Wc++-compat, warn about a use
	of an enum constant from an enum type defined in a struct or union.
	(c_cast_expr): Add loc parameter.  Change all callers.  If
	-Wc++-compat, warn about defining a type in a cast.
	* c-tree.h (C_TYPE_DEFINED_IN_STRUCT): Define.
	(start_enum, start_struct, finish_struct): Update declarations.
	(parser_xref_tag, c_cast_expr): Update declarations.
	(check_compound_literal_type): Declare.

2009-05-11  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000-c.c (altivec_categorize_keyword): Update
	for recent libcpp interface change.
	(rs6000_macro_to_expand): Likewise.

2009-05-10  Michael Matz  <matz@suse.de>

	PR target/40031
	* config/arm/arm.c (require_pic_register): Emit on entry edge,
	not at entry of function.

2009-05-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40081
	Revert
	* tree-sra.c (instantiate_element): Instantiate scalar replacements
	using the main variant of the element type.  Do not fiddle with
	TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

	* tree-sra.c (sra_type_can_be_decomposed_p): Do not decompose
	structs with volatile fields.

2009-05-10  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (delete_unreachable_blocks_update_callgraph): Declare.
	(estimate_move_cost): Assert that it does not get called for
	VOID_TYPE_P.
	(estimate_num_insns): Skip VOID types in argument handling.
	(optimize_inline_calls): Delete unreachable blocks and verify that
	callgraph is valid.

2009-05-10  Jan Hubicka  <jh@suse.cz>

	* cgraphbuild.c (record_reference): Use cgraph_mark_address_taken_node.
	* cgraph.c (cgraph_mark_address_taken_node): New function.
	(dump_cgraph_node): Dump new flag.
	* cgraph.h (struct cgraph_node): Add address_taken.
	(cgraph_mark_address_taken_node): New function.
	* ipa.c (cgraph_postorder): Prioritize functions with address taken
	since new direct calls can be born.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

	* c-lex.c (c_lex_with_flags): Expect cpp_hashnode in
	tok->val.node.node.

2009-05-10  Jan Hubicka  <jh@suse.cz>

	PR middle-end/40084
	* cgraph.c (cgraph_update_edges_for_call_stmt_node): Take old_call
	argument; rewrite.
	(cgraph_update_edges_for_call_stmt): Take old_decl argument.
	* cgraph.h (cgraph_update_edges_for_call_stmt): Update prototype.
	* tree-inline.c (copy_bb): Set frequency correctly.
	(fold_marked_statements): Update call to
	cgraph_update_edges_for_call_stmt.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

	* config/arc/arc.c (arc_handle_interrupt_attribute): Use %qE for
	identifiers in diagnostics.
	* config/arm/arm.c (arm_handle_fndecl_attribute,
	arm_handle_isr_attribute): Likewise.
	* config/avr/avr.c (avr_handle_progmem_attribute,
	avr_handle_fndecl_attribute, avr_handle_fntype_attribute): Likewise.
	* config/bfin/bfin.c (handle_int_attribute,
	bfin_handle_longcall_attribute, bfin_handle_l1_text_attribute,
	bfin_handle_l1_data_attribute, bfin_handle_longcall_attribute,
	bfin_handle_l1_text_attribute, bfin_handle_l1_data_attribute):
	Likewise.
	* config/darwin.c (darwin_handle_kext_attribute,
	darwin_handle_weak_import_attribute): Likewise.
	* config/h8300/h8300.c (h8300_handle_fndecl_attribute,
	h8300_handle_eightbit_data_attribute,
	h8300_handle_tiny_data_attribute): Likewise.
	* config/i386/i386.c (ix86_handle_cconv_attribute,
	ix86_handle_abi_attribute, ix86_handle_struct_attribute): Likewise.
	* config/i386/winnt.c (ix86_handle_shared_attribute,
	ix86_handle_selectany_attribute): Likewise.
	* config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
	* config/m32c/m32c.c (function_vector_handler): Likewise.
	* config/m68hc11/m68hc11.c (m68hc11_handle_page0_attribute,
	m68hc11_handle_fntype_attribute): Likewise.
	* config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
	* config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
	* config/mips/mips.c (mips_insert_attributes,
	mips_merge_decl_attributes, mips_expand_builtin): Likewise.
	* config/rs6000/rs6000.c (rs6000_handle_longcall_attribute,
	rs6000_handle_struct_attribute): Likewise.
	* config/sh/sh.c (sh_insert_attributes,
	sh_handle_resbank_handler_attribute,
	sh_handle_interrupt_handler_attribute,
	sh2a_handle_function_vector_handler_attribute,
	sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
	Likewise.
	* config/sh/symbian.c (sh_symbian_mark_dllimport): Likewise.
	* config/spu/spu.c (spu_handle_fndecl_attribute,
	spu_handle_vector_attribute): Likewise.
	* config/stormy16/stormy16.c
	(xstormy16_handle_interrupt_attribute): Likewise.
	* config/v850/v850-c.c (ghs_pragma_section): Likewise.
	* config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.

2009-05-10  Joseph Myers  <joseph@codesourcery.com>

	* pretty-print.h (struct pretty_print_info): Add translate_identifiers.
	(pp_translate_identifiers): New.
	(pp_identifier): Only conditionally translate identifier to locale
	character set.
	* pretty-print.c (pp_construct): Set pp_translate_identifiers.
	(pp_base_tree_identifier): Only conditionally translate identifier
	to locale character set.
	* c-pretty-print.c (M_): Define.
	(pp_c_type_specifier, pp_c_primary_expression): Mark English
	fragments for conditional translation with M_.
	* tree-pretty-print.c (maybe_init_pretty_print): Disable
	identifier translation.

2009-05-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40081
	* tree-sra.c (instantiate_element): Instantiate scalar replacements
	using the main variant of the element type.  Do not fiddle with
	TREE_THIS_VOLATILE or TREE_SIDE_EFFECTS.

2009-05-09  Jan Hubicka  <jh@suse.cz>

	PR middle-end/40080
	* cgraphunit.c (cgraph_materialize_all_clones): Do not redirect
	indirect calls; verify cgraph afterwards.

2009-05-09  Jan Hubicka  <jh@suse.cz>

	PR bootstrap/40082
	* ipa.c (update_inlined_to_pointer): New function.
	(cgraph_remove_unreachable_nodes): Use it.

2009-05-09  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (struct leh_state): Remove prev_try.
	(lower_try_finally, lower_catch, lower_eh_filter, lower_cleanup): Do
	not track prev_try.
	* except.c (gen_eh_region_cleanup, duplicate_eh_regions,
	copy_eh_region_1, copy_eh_region, redirect_eh_edge_to_label,
	remove_eh_handler_and_replace, foreach_reachable_handler,
	verify_eh_region, verify_eh_tree): Remove tracking of prev_try pointer.
	* except.h (struct eh_region): Remove eh_region_u_cleanup.
	(gen_eh_region_cleanup): Update prototype.

2009-05-09  Jan Hubicka  <jh@suse.cz>

	PR middle-end/40043
	* except.c (copy_eh_region): Always set prev_try.
	(redirect_eh_edge_to_label): Find outer try.
	(foreach_reachable_handler): When looking for prev try
	handle case where previous try is not going to be taken.

2009-05-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR tree-optimization/40049
	* tree-vect-stmts.c (vectorizable_operation): If the machine has
	only vector/vector shifts, convert the type of the constant to the
	appropriate type to avoid building incorrect trees, which
	eventually have problems with garbage collection.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

	* fold-const.c (fold_binary): Do not fold multiplication by 1 or
	-1 for complex floating-point types if honoring signed zeros.

2009-05-08  Jan Hubicka  <jh@suse.cz>

	* cgraphbuild.c (compute_call_stmt_bb_frequency): Accept function
	argument; handle correctly when profile is absent.
	(build_cgraph_edges): Update.
	(rebuild_cgraph_edges): Update.
	* cgraph.c: Do not include varray.h.
	(cgraph_set_call_stmt_including_clones): New function.
	(cgraph_create_edge_including_clones): Likewise
	(cgraph_update_edges_for_call_stmt_node): New static cfunction.
	(cgraph_update_edges_for_call_stmt): Handle clones.
	(cgraph_remove_node): Handle clone tree.
	(cgraph_remove_node_and_inline_clones): New function.
	(dump_cgraph_node): Dump clone tree.
	(cgraph_clone_node): Handle clone tree.
	(clone_function_name): Bring here from tree-inline.c.
	(cgraph_create_virtual_clone): New function.
	* cgraph.h (ipa_replace_map): Move here from ipa.h.
	(cgraph_clone_info): New function.
	(strut cgraph_node): Add clone_info and new clone tree pointers.
	(cgraph_remove_node_and_inline_clones,
	cgraph_set_call_stmt_including_clones,
	cgraph_create_edge_including_clones,
	cgraph_create_virtual_clone): Declare.
	(cgraph_function_versioning): Use VEC argument.
	(compute_call_stmt_bb_frequency): Update prototype.
	(cgraph_materialize_all_clones): New function.
	* ipa-cp.c (ipcp_update_cloned_node): Remove.
	(ipcp_create_replace_map): Update to VECtors.
	(ipcp_update_callgraph): Use virtual clones.
	(ipcp_update_bb_counts, ipcp_update_edges_counts): Remove.
	(ipcp_update_profiling): Do not update local profiling.
	(ipcp_insert_stage): Use VECtors and virtual clones.
	* cgraphunit.c (verify_cgraph_node): Verify clone tree.
	(clone_of_p): New function.
	(cgraph_preserve_function_body_p): Use clone tree.
	(cgraph_optimize): Materialize clones.
	(cgraph_function_versioning): Update for VECtors.
	(save_inline_function_body): Use clone tree.
	(cgraph_materialize_clone): New function.
	(cgraph_materialize_all_clones): Likewise.
	* ipa-inline.c (cgraph_default_inline_p): Use analyzed flags.
	* ipa.c: Include gimple.h.
	(cgraph_remove_unreachable_nodes): Use clone tree.
	* ipa-prop.c (ipa_note_param_call): Update call to
	compute_call_stmt_bb_frequencycall.
	* ipa-prop.h (ipa_replace_map): Move to cgraph.h.
	* tree-inline.c: Do not include varray.h or gt-tree-inline.h.
	(copy_bb): Handle updating of clone tree; add new edge when new call
	appears.
	(expand_call_inline): Be strict about every call having edge.
	(clone_fn_id_num, clone_function_name): Move to cgraph.c.
	(delete_unreachable_blocks_update_callgraph): New function.
	(tree_function_versioning): Use VECtors; always remove unreachable
	blocks and fold conditionals.
	* tree-inline.h: Do not include varray.h.
	(tree_function_versioning): Remove.
	* Makefile.in (GTFILES): Remove tree-inline.c
	* passes.c (do_per_function): Do only functions having body.
	* ipa-struct-reorg.c (do_reorg_1, collect_data_accesses): Handle clone
	tree.

2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
	    Andrew Morrow  <acm@google.com>

	PR c/36892
	* c-common.c (c_common_attribute_table): Permit deprecated
	attribute to take an optional argument.
	(handle_deprecated_attribute): If the optional argument to
	__attribute__((deprecated)) is not a string ignore the attribute
	and emit a warning.

	* c-decl.c (grokdeclarator): Updated warn_deprecated_use call.
	* c-typeck.c (build_component_ref): Likewise.
	(build_external_ref): Likewise.

	* toplev.c (warn_deprecated_use): Add an attribute argument.
	Emit the message associated with __attribute__((deprecated)).

	* toplev.h (warn_deprecated_use): Updated.

	* doc/extend.texi: Document new optional parameter to
	__attribute__((deprecated))

2009-05-08  Michael Eager <eager@eagercon.com>

	* config/rs6000/rs6000.md (*movdf_softfloat32): replace
	!TARGET_DOUBLE_FLOAT with TARGET_SINGLE_FLOAT.

2009-05-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40062
	* tree-scalar-evolution.c (follow_ssa_edge_in_condition_phi):
	Avoid exponential behavior.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/33928
	PR 26854
	* fwprop.c (use_def_ref, get_def_for_use, bitmap_only_bit_bitween,
	process_uses, build_single_def_use_links): New.
	(update_df): Update use_def_ref.
	(forward_propagate_into): Use get_def_for_use instead of use-def
	chains.
	(fwprop_init): Call build_single_def_use_links and let it initialize
	dataflow.
	(fwprop_done): Free use_def_ref.
	(fwprop_addr): Eliminate duplicate call to df_set_flags.
	* df-problems.c (df_rd_simulate_artificial_defs_at_top,
	df_rd_simulate_one_insn): New.
	(df_rd_bb_local_compute_process_def): Update head comment.
	(df_chain_create_bb): Use the new RD simulation functions.
	* df.h (df_rd_simulate_artificial_defs_at_top,
	df_rd_simulate_one_insn): New.
	* opts.c (decode_options): Enable fwprop at -O1.
	* doc/invoke.texi (-fforward-propagate): Document this.

2009-05-08  Joseph Myers  <joseph@codesourcery.com>

	PR c/24581
	* c-typeck.c (build_binary_op): Handle arithmetic between one real
	and one complex operand specially.
	* tree-complex.c (some_nonzerop): Do not identify a real value as
	zero if flag_signed_zeros.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/33928
	* loop-invariant.c (record_use): Fix && vs. || mishap.

2009-05-08  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/33928
	* loop-invariant.c (struct use): Add addr_use_p.
	(struct def): Add n_addr_uses.
	(struct invariant): Add cheap_address.
	(create_new_invariant): Set cheap_address.
	(record_use): Accept df_ref.  Set addr_use_p and update n_addr_uses.
	(record_uses): Pass df_ref to record_use.
	(get_inv_cost): Do not add inv->cost to comp_cost for cheap addresses
	used only as such.

2009-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c: Do not include c-pragma.h.

2009-05-07  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	* config/spu/spu.c: Remove include of c-common.h.

2009-05-07  Janis Johnson  <janis187@us.ibm.com>

	PR c/39037
	* c-common.h (mark_valid_location_for_stdc_pragma,
	valid_location_for_stdc_pragma_p, set_float_const_decimal64,
	clear_float_const_decimal64, float_const_decimal64_p): New.
	* c.opt (Wunsuffixed-float-constants): New.
	* c-lex.c (interpret_float): Use pragma FLOAT_CONST_DECIMAL64 for
	unsuffixed float constant, handle new warning.
	* c-cppbuiltin.c (c_cpp_builtins): Use cast for double constants.
	* c-decl.c (c_scope): New flag float_const_decimal64.
	(set_float_const_decimal64, clear_float_const_decimal64,
	float_const_decimal64_p): New.
	(push_scope): Set new flag.
	* c-parser.c (c_parser_translation_unit): Mark when it's valid
	to use STDC pragmas.
	(c_parser_external_declaration): Ditto.
	(c_parser_compound_statement_nostart): Ditto.
	* c-pragma.c (valid_location_for_stdc_pragma,
	mark_valid_location_for_stdc_pragma,
	valid_location_for_stdc_pragma_p, handle_stdc_pragma,
	handle_pragma_float_const_decimal64): New.
	(init_pragma): Register new pragma FLOAT_CONST_DECIMAL64.
	* cp/semantics.c (valid_location_for_stdc_pragma_p,
	set_float_const_decimal64, clear_float_const_decimal64,
	float_const_decimal64_p): New dummy functions.
	* doc/extend.texi (Decimal Float): Remove statement that the
	pragma, and suffix for double constants, are not supported.
	* doc/invoke.texi (Warning Options): List new option.
	(-Wunsuffixed-float-constants): New.

2009-05-08  Steven Bosscher  <steven@gcc.gnu.org>

	* config/i386/i386.c: Do not include c-common.h.

2009-05-07  Mark Heffernan  <meheff@google.com>

	* doc/invoke.texi (Debugging Options): Document change of debugging
	dump location.
	* opts.c (decode_options): Make dump_base_name relative to
	aux_base_name directory.

2009-05-07  Hariharan Sandanagobalane <hariharan@picochip.com>

	* config/picochip/picochip.h (NO_DOLLAR_IN_LABEL): Added.
	* config/picochip/libgccExtras/divmod15.asm : Removed redefiniton.

2009-05-07  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (install-plugin): Simplify a bit.

2009-05-07  Paolo Bonzini  <bonzini@gnu.org>

	* Makefile.in (OBJS-common): Add regcprop.o.
	(regcprop.o): New.
	* timevar.def (TV_CPROP_REGISTERS): New.
	* regrename.c (regrename_optimize): Return 0.
	(rest_of_handle_regrename): Delete.
	(pass_rename_registers): Point to regrename_optimize.
	(struct value_data_entry, struct value_data,
	kill_value_one_regno, kill_value_regno, kill_value,
	set_value_regno, init_value_data, kill_clobbered_value,
	kill_set_value, kill_autoinc_value, copy_value,
	mode_change_ok, maybe_mode_change, find_oldest_value_reg,
	replace_oldest_value_reg, replace_oldest_value_addr,
	replace_oldest_value_mem, copyprop_hardreg_forward_1,
	debug_value_data, validate_value_data): Move...
	* regcprop.c: ... here.
	(rest_of_handle_cprop): Delete.
	(pass_cprop_hardreg): Point to copyprop_hardreg_forward.

2009-05-07  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/40057
	* dojump.c (prefer_and_bit_test): Use immed_double_const instead of
	GEN_INT for 1 << bitnum.
	(do_jump) <case BIT_AND_EXPR>: Use build_int_cst_wide_type instead of
	build_int_cst_type.

2009-05-07  Uros Bizjak  <ubizjak@gmail.com>

	* doc/md.texi (Standard Pattern Names For Generation) [sync_nand]:
	Remove wrong description of "nand" operation.

2009-05-06  Richard Guenther  <rguenther@suse.de>
	    Adam Nemet  <anemet@caviumnetworks.com>

	* gimple.def (GIMPLE_ASSIGN): Fix incorrect information in the
	comment.  Add that if LHS is not a gimple register, then RHS1 has
	to be a single object (GIMPLE_SINGLE_RHS).

2009-05-06  Adam Nemet  <anemet@caviumnetworks.com>

	* expr.c (get_def_for_expr): Move it up in the file.
	(store_field): When expanding a bit-field store, look at the
	defining gimple stmt for the masking conversion.

2009-05-06  Janis Johnson  <janis187@us.ibm.com>

	PR middle-end/39986
	* dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
	decode_decimal64, encode_decimal128, decode_decimal128): Avoid
	32-bit memcpy into long.

2009-05-06  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (new_reg_loc_descr): Don't ever create DW_OP_regX.
	(one_reg_loc_descriptor): Create DW_OP_regX here instead of calling
	new_reg_loc_descr.
	(loc_by_reference): If loc is DW_OP_regX, change it into DW_OP_bregX 0
	instead of appending DW_OP_deref*.

2009-05-06  Michael Matz  <matz@suse.de>

	PR middle-end/40021
	* cfgexpand.c (maybe_cleanup_end_of_block): New static function.
	(expand_gimple_cond): Use it to cleanup CFG and superfluous jumps.

2009-05-06  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (install-plugin): Fix srcdir handling.

2009-05-06  Andrey Belevantsev  <abel@ispras.ru>

	* tree-ssa.c (execute_update_address_taken): Handle TARGET_MEM_REF
	when processing for not_regs_needed bitmap.
	* gimple.c (walk_stmt_load_store_addr_ops): When visiting address,
	handle TARGET_MEM_REF in lhs.  Check TMR_BASE for NULL while
	handling it for rhs.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (unnamed inc/dec peephole): Use
	optimize_insn_for_size_p instead of optimize_size.
	* config/i386/predicates.md (incdec_operand): Likewise.
	(aligned_operand): Likewise.
	* config/i386/sse.md (divv8sf3): Likewise.
	(sqrtv8sf2): Likewise.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_build_signbit_mask): Make it static.

	* config/i386/i386-protos.h (ix86_build_signbit_mask): Removed.

2009-05-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (*avx_<code><mode>3_finite): Replace
	ssemodesuffixf2c with avxmodesuffixf2c.

2009-05-06  Joseph Myers  <joseph@codesourcery.com>

	PR c/40032
	* c-decl.c (grokdeclarator): Handle incomplete type of unnamed field.

2009-05-05  Jakub Jelinek  <jakub@redhat.com>

	* tree.h: Remove DECL_BY_REFERENCE from private_flag comment.
	(struct tree_base): Adjust spacing for 8 bit boundaries.
	(struct tree_decl_common): Add decl_by_reference_flag bit.
	(DECL_BY_REFERENCE): Adjust.
	* print-tree.c (print_node): For VAR_DECL, PARM_DECL or RESULT_DECL,
	print DECL_BY_REFERENCE bit.
	* dbxout.c (DECL_ACCESSIBILITY_CHAR): Revert last change.
	* dwarf2out.c (loc_by_reference, gen_decl_die): Check
	DECL_BY_REFERENCE for all VAR_DECLs, not just non-static ones.
	(gen_variable_die): Likewise.  Check TREE_PRIVATE/TREE_PROTECTED
	unconditionally.

	PR middle-end/39666
	* gimplify.c (gimplify_switch_expr): If case labels cover the whole
	range of the type, but default label is missing, add it with one
	of the existing labels instead of adding a new label for it.

2009-05-05  Joseph Myers  <joseph@codesourcery.com>

	* dwarf.h: Remove.

2009-05-05  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (enable_plugin, plugin_includedir): New.
	(install): Depend on install-plugin.
	(PLUGIN_HEADERS): New.
	(install-plugin): New.
	* config.gcc: Add vxworks-dummy.h to tm_file for x86 and x86-64.

2009-05-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40022
	* tree-ssa-phiprop.c (struct phiprop_d): Exchange vop_stmt for
	the only vuse.
	(phivn_valid_p): Fix tuplification error, simplify.
	(phiprop_insert_phi): Add dumps.
	(propagate_with_phi): Simplify.

2009-05-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40023
	* builtins.c (gimplify_va_arg_expr): Properly build the address.

2009-05-05  Shujing Zhao  <pearly.zhao@oracle.com>

	* tree.h (strip_float_extensions): Remove duplicate declaration.
	(build_low_bits_mask, debug_fold_checksum, expand_function_end,
	expand_function_start, stack_protect_prologue, stack_protect_epilogue,
	block_ultimate_origin): Rearrange the declarations line to match the
	comment that indicates the .c file which the functions are defined.
	(dwarf2out_*, set_decl_rtl): Add comment.
	(get_base_address): Adjust comment.
	(change_decl_assembler_name, maybe_fold_*, build_addr): Rearrange the
	declarations line and add comment.
	(is_builtin_name): Add blank after function name, for clarity.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

	* attribs.c (decl_attributes): Use %qE for identifiers in
	diagnostics.
	* cgraphunit.c (verify_cgraph_node): Translate function names to
	locale character set in diagnostics.
	* coverage.c (get_coverage_counts): Use %qE for identifiers in
	diagnostics.
	* doc/invoke.texi (-finstrument-functions-exclude-function-list):
	Document that functions are named in UTF-8.
	* expr.c (expand_expr_real_1): Translate function names to locale
	character set in diagnostics.
	* gimplify.c (omp_notice_variable, omp_is_private,
	gimplify_scan_omp_clauses): Use %qE for identifiers in
	diagnostics.
	* langhooks.c (lhd_print_error_function): Translate function names
	to locale character set.
	* langhooks.h (decl_printable_name): Document that return value is
	in internal character set.
	* stmt.c: Include pretty-print.h
	(tree_conflicts_with_clobbers_p): Use %qE for identifiers in
	diagnostics.
	(resolve_operand_name_1): Translate named operand name to locale
	character set.
	* stor-layout.c (finalize_record_size): Use %qE for identifiers in
	diagnostics.
	* toplev.c (announce_function): Translate function names to locale
	character set.
	(warn_deprecated_use): Use %qE for identifiers in diagnostics.
	(default_tree_printer): Use pp_identifier or translate identifiers
	to locale character set.  Mark "<anonymous>" for translation.
	* tree-mudflap.c (mx_register_decls, mudflap_finish_file): Use %qE
	for identifiers in diagnostics.
	* tree.c (handle_dll_attribute): Use %qE for identifiers in
	diagnostics.
	* varasm.c (output_constructor): Use %qE for identifiers in
	diagnostics.

2009-05-04  Rafael Avila de Espindola  <espindola@google.com>

	* configure.ac: use ` ` instead of $()
	* configure: Regenerate.

2009-05-05  Ben Elliston  <bje@au.ibm.com>

	* config/pa/linux-atomic.c: Eliminate conditional include of
	errno.h on non-LP64 systems to simplify build requirements.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

	* c-common.c (handle_mode_attribute): Use %qE for identifiers in
	diagnostics.
	* c-decl.c (check_bitfield_type_and_width): Make orig_name a tree
	and pass value to identifier_to_locale.
	(warn_variable_length_array): Make name a tree.
	(grokdeclarator): Separate diagnostic texts for named and unnamed
	declarators.  Use %qE for named declarators.
	* c-parser.c (c_lex_one_token): Use %qE for identifiers in
	diagnostics.
	* c-pragma.c (pop_alignment, handle_pragma_pack): Use %qE for
	identifiers in diagnostics.
	* c-typeck.c (push_member_name, start_init): Pass identifiers to
	identifier_to_locale.  Mark "anonymous" strings for translation.

2009-05-04  Michael Eager <eager@eagercon.com>

	* config/rs6000/rs6000.c (rs6000_legitimate_address): Allow
	address for DImode/DFmode only if double-precision FP regs.

2009-05-04  Michael Eager <eager@eagercon.com>

	* config/rs6000/rs6000.c (rs6000_libcall_value): Add
	TARGET_SINGLE_FLOAT check.

2009-05-04  Michael Eager <eager@eagercon.com>

	* config/rs6000/xilinx.h: Add CPP_SPEC for -mxilinx-fpu options.

2009-05-04  Michael Eager <eager@eagercon.com>

	* gcc/config.gcc: (powerpc-xilinx-eabi*): Add tm t-xilinx
	* config/rs6000/t-xilinx: New

2009-05-04  Paolo Bonzini  <bonzini@gnu.org>

	* doc/tm.texi (LEGITIMIZE_ADDRESS): Revise documentation.
	* gcc/defaults.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/explow.c (memory_address): Use target hook.
	* gcc/targhooks.c (default_legitimize_address): New.
	* gcc/targhooks.h (default_legitimize_address): New.
	* gcc/target.h (legitimize_address): New.
	* gcc/target-def.h (TARGET_LEGITIMIZE_ADDRESS): New.
	(TARGET_INITIALIZER): Include it.
	* gcc/system.h (LEGITIMIZE_ADDRESS): Poison.

	* config/bfin/bfin-protos.h (legitimize_address): Remove.
	* config/bfin/bfin.c (legitimize_address): Remove.
	* config/bfin/bfin.h (LEGITIMIZE_ADDRESS): Remove.
	* config/m68hc11/m68hc11-protos.h (m68hc11_legitimize_address):
	Remove.
	* config/m68hc11/m68hc11.c (m68hc11_legitimize_address): Remove.
	* config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Remove.

	* gcc/config/arm/arm.h (LEGITIMIZE_ADDRESS, ARM_LEGITIMIZE_ADDRESS,
	THUMB_LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/s390/s390.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m32c/m32c.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/sparc/sparc.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m32r/m32r.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/i386/i386.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/sh/sh.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/avr/avr.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m68hc11/m68hc11.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/iq2000/iq2000.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/mn10300/mn10300.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/m68k/m68k.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/score/score.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/pa/pa.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/mips/mips.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/alpha/alpha.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/frv/frv.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/spu/spu.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/xtensa/xtensa.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/cris/cris.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/rs6000/rs6000.h (LEGITIMIZE_ADDRESS): Delete.
	* gcc/config/picochip/picochip.h (LEGITIMIZE_ADDRESS): Delete.

	* gcc/config/s390/s390-protos.h (legitimize_address): Delete.
	* gcc/config/m32c/m32c-protos.h (m32c_legitimize_address): Delete.
	* gcc/config/sparc/sparc-protos.h (legitimize_address): Delete.
	* gcc/config/i386/i386-protos.h (legitimize_address): Delete.
	* gcc/config/avr/avr-protos.h (legitimize_address): Delete.
	* gcc/config/mn10300/mn10300-protos.h (legitimize_address): Delete.
	* gcc/config/score/score-protos.h (score_legitimize_address): Delete.
	* gcc/config/arm/arm-protos.h (arm_legitimize_address,
	(thumb_legitimize_address): Delete.
	* gcc/config/pa/pa-protos.h (hppa_legitimize_address): Delete.
	* gcc/config/mips/mips-protos.h (mips_legitimize_address): Delete.
	* gcc/config/alpha/alpha-protos.h (alpha_legitimize_address): Delete.
	* gcc/config/frv/frv-protos.h (frv_legitimize_address): Delete.
	* gcc/config/spu/spu-protos.h (spu_legitimize_address): Delete.
	* gcc/config/xtensa/xtensa-protos.h (xtensa_legitimize_address):
	Delete.
	* gcc/config/rs6000/rs6000-protos.h (rs6000_legitimize_address):
	Delete.

	* config/arm/arm.c (arm_legitimize_address): Maybe call Thumb version.
	* config/m32c/m32c.c (m32c_legitimize_address): Standardize.
	* config/m32r/m32r.c (m32r_legitimize_address): New.
	* config/m68k/m68k.c (m68k_legitimize_address): New.
	* config/score/score.c (score_legitimize_address): Standardize.
	* config/score/score3.c (score3_legitimize_address): Standardize.
	* config/score/score3.h (score3_legitimize_address): Adjust.
	* config/score/score7.c (score7_legitimize_address): Standardize.
	* config/score/score7.h (score7_legitimize_address): Adjust.
	* config/sh/sh.c (sh_legitimize_address): New.
	* config/iq2000/iq2000.c (iq2000_legitimize_address): New.

	* gcc/config/s390/s390.c (legitimize_address): Rename to...
 	(s390_legitimize_address): ... this.
	* gcc/config/sparc/sparc.c (legitimize_address): Rename to...
	(sparc_legitimize_address): ... this.
	* gcc/config/i386/i386.c (legitimize_address): Rename to...
	(ix86_legitimize_address): ... this.
	* gcc/config/avr/avr.c (legitimize_address): Rename to...
	(avr_legitimize_address): ... this.
	* gcc/config/mn10300/mn10300.c (legitimize_address): Rename to...
	(mn10300_legitimize_address): ... this.
	* config/alpha/alpha.c (alpha_legitimize_address): Wrap...
	(alpha_legitimize_address_1): ... the old alpha_legitimize_address.
	(alpha_expand_mov): Adjust call.

	* config/frv/frv.c (frv_legitimize_address): Return x on failure.
	* config/spu/spu.c (spu_legitimize_address): Likewise.
	* config/xtensa/xtensa.c (xtensa_legitimize_address): Likewise.
	* config/rs6000/rs6000.c (rs6000_legitimize_address): Likewise.

2009-05-04  Joseph Myers  <joseph@codesourcery.com>

	* intl.c (locale_encoding, locale_utf8): New.
	(gcc_init_libintl): Initialize locale_encoding and locale_utf8.
	* intl.h (locale_encoding, locale_utf8): Declare.
	* pretty-print.c: Include ggc.h.  Include iconv.h if HAVE_ICONV.
	(pp_base_tree_identifier, decode_utf8_char, identifier_to_locale):
	New.
	* pretty-print.h (pp_identifier): Call identifier_to_locale on ID
	argument.
	(pp_tree_identifier): Define to call pp_base_tree_identifier.
	(pp_base_tree_identifier): Declare as function.
	(identifier_to_locale): Declare.
	* Makefile.in (pretty-print.o): Update dependencies.
	* varasm.c (finish_aliases_1): Use %qE for identifiers in diagnostics.

2009-05-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40015
	* builtins.c (fold_builtin_memory_op): Do not decay to element
	type if the size matches the whole array.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

	* expmed.c (synth_mult): When trying out a shift, pass the result
	of a signed shift.

2009-05-04  Kazu Hirata  <kazu@codesourcery.com>

	* expmed.c (shiftsub_cost): Rename to shiftsub0_cost.
	(shiftsub1_cost): New.
	(init_expmed): Compute shiftsub1_cost.
	(synth_mult): Optimize multiplications by constants of the form
	-(2^^m-1) for some constant positive integer m.

2009-05-03  Richard Guenther  <rguenther@suse.de>

	PR c/39983
	* c-typeck.c (array_to_pointer_conversion): Do not built
	ADDR_EXPRs of arrays of pointer-to-element type.
	* c-gimplify.c (c_gimplify_expr): Revert change fixing
	up wrong ADDR_EXPRs after-the-fact.
	* c-common.c (strict_aliasing_warning): Strip pointer
	conversions for obtaining the original type.
	* builtins.c (fold_builtin_memset): Handle array types.
	(fold_builtin_memory_op): Handle folded POINTER_PLUS_EXPRs
	and array types

2009-05-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/23329
	* tree-ssa.c (useless_type_conversion_p_1): Use get_deref_alias_set.
	Do not lose casts from array types with unknown extent to array
	types with known extent.
	* tree-ssa-copy.c (may_propagate_copy): Remove hack checking for
	alias set compatibility.

2009-05-03  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	* flags.h (extra_warnings): Delete.
	* toplev.c (process_options): Handle Wuninitialized here.
	* opts.c (extra_warnings): Delete.
	(set_Wextra): Delete.
	(common_handle_option): -Wextra can be handled automatically.
	* c-opts.c (c_common_handle_option): Delete obsolete code.
	(c_common_post_options): Simplify comment.
	* common.opt (W): Add Var.
	(Wextra): Add Var.
	(Wuninitialized): Initialize to -1.

2009-05-03  Adam Nemet  <anemet@caviumnetworks.com>
	    Richard Guenther  <rguenther@suse.de>

	* expr.c (get_def_for_expr): New function.
	(expand_expr_real_1) <PLUS_EXPR, MINUS_EXPR>: Adjust to work with
	SSA rather than trees.
	<MULT_EXPR>: Likewise.  Use subexp0 and subexp1 instead of
	TREE_OPERAND (exp, 0) and TREE_OPERAND (exp, 1).

2009-05-03  Joseph Myers  <joseph@codesourcery.com>

	* c-common.c (reswords): Add _Imaginary.
	* c-common.c (enum rid): Add RID_IMAGINARY.

2009-05-03  Paolo Bonzini  <bonzini@gnu.org>

	* tree.h (TYPE_VECTOR_OPAQUE): Fix documentation.
	Patch by Richard Guenther.

2009-05-03  Anatoly Sokolov  <aesok@post.ru>

	* defaults.h (FRAME_POINTER_REQUIRED): Provide default.
	* doc/tm.texi (FRAME_POINTER_REQUIRED): Revise documentation.
	* config/alpha/alpha.h (FRAME_POINTER_REQUIRED): Delete.
	* config/s390/s390.h (FRAME_POINTER_REQUIRED): Delete.
	* config/spu/spu.h (FRAME_POINTER_REQUIRED): Delete.
	* config/sh/sh.h (FRAME_POINTER_REQUIRED): Delete.
	* config/pdp11/pdp11.h (FRAME_POINTER_REQUIRED): Delete.
	* config/stormy16/stormy16.h (FRAME_POINTER_REQUIRED): Delete.
	* config/m68hc11/m68hc11.h (FRAME_POINTER_REQUIRED): Delete.
	* config/iq2000/iq2000.h (FRAME_POINTER_REQUIRED): Delete.
	* config/mn10300/mn10300.h (FRAME_POINTER_REQUIRED): Delete.
	* config/ia64/ia64.h (FRAME_POINTER_REQUIRED): Delete.
	* config/m68k/m68k.h (FRAME_POINTER_REQUIRED): Delete.
	* config/rs6000/rs6000.h (FRAME_POINTER_REQUIRED): Delete.
	* config/picochip/picochip.h (FRAME_POINTER_REQUIRED): Delete.
	* config/mcore/mcore.h (FRAME_POINTER_REQUIRED): Delete.
	* config/h8300/h8300.h (FRAME_POINTER_REQUIRED): Delete.
	* config/v850/v850.h (FRAME_POINTER_REQUIRED): Delete.

2009-05-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39940
	* tree-ssa-pre.c (eliminate): Make sure we may propagate before
	doing so.

2009-05-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/40001
	* tree-ssa.c (execute_update_addresses_taken): Properly check
	if we can mark a variable DECL_GIMPLE_REG_P.
	* gimple.c (is_gimple_reg): Re-order check for DECL_GIMPLE_REG_P
	back to the end of the function.
	(is_gimple_reg_type): Remove complex type special casing.
	* gimplify.c (gimplify_bind_expr): Do not set DECL_GIMPLE_REG_P
	if not optimizing.

2009-05-02  Ben Elliston  <bje@au.ibm.com>

	* doc/collect2.texi (Collect2): Document search path behaviour
	when configured with --with-ld.

2009-05-02  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-coalesce.c (coalesce_cost): Do not take ciritical
	parameter; update callers.
	(coalesce_cost_edge): EH edges are costier because they needs
	splitting even if not critical and even more costier when there are
	multiple EH predecestors.

2009-05-02  Jan Hubicka  <jh@suse.cz>

	* except.c (remove_eh_handler_and_replace): Handle updating after
	removing TRY blocks.

2009-05-02  Eric Botcazou  <ebotcazou@adacore.com>

	* store-motion.c (compute_store_table): Add ENABLE_CHECKING guard.

2009-05-02  Steven Bosscher  <steven@gcc.gnu.org>

	* varasm.c: Do not include c-pragma.h.
	* attribs.c: Do not incude c-common.h.

2009-05-01  Michael Matz  <matz@suse.de>

	* calls.c (initialize_argument_information): Handle SSA names like
	decls with a non MEM_P DECL_RTL.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

	* ipa-reference.c: Do not include c-common.h, include splay-tree.h.
	* ipa-utils.c: Likewise.
	* ipa-type-escape.c: Likewise.
	* cgraphunit.c Do not include c-common.h.
	* ipa-pure-const.c: Likewise.
	* tree-if-conv.c: Likewise.
	* matrix-reorg.c: Do not include c-common.h and c-tree.h.
	* ipa-struct-reorg.c: Likewise.
	* tree-nomudflap.c: Likewise.
	* tree-ssa-structalias.c: Likewise.

2009-05-01  Steven Bosscher  <steven@gcc.gnu.org>

	* store-motion.c: Many cleanups to make this pass a first-class
	citizen instead of an appendix to gcse load motion.  Add TODO list
	to make this pass faster/cleaner/better.

	(struct ls_expr): Post gcse.c-split cleanups.
	Rename to st_expr.  Rename "loads" field to "antic_stores".  Rename
	"stores" field to "avail_stores".
	(pre_ldst_mems): Rename to store_motion_mems.
	(pre_ldst_table): Rename to store_motion_mems_table.
	(pre_ldst_expr_hash): Rename to pre_st_expr_hash, update users.
	(pre_ldst_expr_eq): Rename to pre_st_expr_eq, update users.
	(ldst_entry): Rename to st_expr_entry, update users.
	(free_ldst_entry): Rename to free_st_expr_entry, update users.
	(free_ldst_mems): Rename to free_store_motion_mems, update users.
	(enumerate_ldsts): Rename to enumerate_store_motion_mems,
	update caller.
	(first_ls_expr): Rename to first_st_expr, update users.
	(next_ls_expr): Rename to next_st_expr, update users.
	(print_ldst_list): Rename to print_store_motion_mems.  Print names of
	fields properly for store motion instead of names inherited from load
	motion in gcse.c.
	(ANTIC_STORE_LIST, AVAIL_STORE_LIST): Remove.
	(LAST_AVAIL_CHECK_FAILURE): Explain what this is.  Undefine when we
	are done with it.

	(ae_kill): Rename to st_kill, update users.
	(ae_gen): Rename to st_avloc, update users.
	(transp): Rename to st_transp, update users.
	(pre_insert_map): Rename to st_insert_map, update users.
	(pre_delete_map): Rename to st_delete_map, update users.
	(insert_store, build_store_vectors, free_store_memory,
	one_store_motion_pass): Update for abovementioned changes.

	(gcse_subst_count, gcse_create_count): Remove.
	(one_store_motion_pass): New statistics counters "n_stores_deleted"
	and "n_stores_created", local variables.

	(extract_mentioned_regs, extract_mentioned_regs_1): Rewrite to
	use for_each_rtx.

	(regvec, compute_store_table_current_insn): Remove.
	(reg_set_info, reg_clear_last_set): Remove.
	(compute_store_table): Use DF caches instead of local dataflow
	solvers.

2009-05-01  Joseph Myers  <joseph@codesourcery.com>

	* c-objc-common.c (c_tree_printer): Print identifiers with
	pp_identifier, not pp_string.  Mark "({anonymous})" for
	translation.
	* c-pretty-print.c (pp_c_ws_string): New.
	(pp_c_cv_qualifier, pp_c_type_specifier,
	pp_c_specifier_qualifier_list, pp_c_parameter_type_list,
	pp_c_storage_class_specifier, pp_c_function_specifier,
	pp_c_attributes, pp_c_bool_constant, pp_c_constant,
	pp_c_primary_expression, pp_c_postfix_expression,
	pp_c_unary_expression, pp_c_shift_expression,
	pp_c_relational_expression, pp_c_equality_expression,
	pp_c_logical_and_expression, pp_c_logical_or_expression): Mostly
	use pp_string and pp_c_ws_string in place of pp_identifier and
	pp_c_identifier for non-identifiers.  Mark English strings for
	translation.
	* c-pretty-print.h (pp_c_ws_string): Declare.

2009-04-30  Paul Pluzhnikov  <ppluzhnikov@google.com>
	    Roland McGrath <roland@redhat.com>

	* configure.ac (HAVE_LD_BUILDID): New check for ld --build-id support.
	(ENABLE_LD_BUILDID): New configuration option.
	* gcc.c [HAVE_LD_BUILDID and ENABLE_LD_BUILDID]
	(LINK_BUILDID_SPEC): New macro.
	(init_spec): If defined, prepend it between LINK_EH_SPEC and
	link_spec.
	* doc/install.texi: Document --enable-linker-build-id option.
	* configure: Rebuild.
	* config.in: Rebuild.

2009-04-30  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.h (FRAME_GROWS_DOWNWARD,
	MIPS_GP_SAVE_AREA_SIZE): Define new macros.
	(STARTING_FRAME_OFFSET): Return 0 if FRAME_GROWS_DOWNWARD.  Use
	MIPS_GP_SAVE_AREA_SIZE.
	* config/mips/mips.c (struct mips_frame_info): Update comment
	before arg_pointer_offset and hard_frame_pointer_offset.
	(mips_compute_frame_info): Update diagram before function: to
	correctly use stack_pointer_rtx for fp_sp_offset and gp_sp_offset, to
	indicate the position of frame_pointer_rtx with -fstack-protector and
	to show args_size.  Don't allocate cprestore area for leaf functions
	if FRAME_GROWS_DOWNWARD.  Use MIPS_GP_SAVE_AREA_SIZE to set
	cprestore_size.
	(mips_initial_elimination_offset): Update for FRAME_GROWS_DOWNWARD.

2009-04-30  Michael Matz  <matz@suse.de>

	PR tree-optimization/39955
	* config/rs6000/rs6000.c (rs6000_check_sdmode): Also check SSA_NAMEs.

2009-04-30  Dave Korn  <dave.korn.cygwin@gmail.com>

	* ira.c (setup_cover_and_important_classes):  Use safe macro
	REG_CLASS_FOR_CONSTRAINT instead of calling regclass_for_constraint
	directly.
	* genpreds.c (write_tm_preds_h):  Output suitable definition of
	REG_CLASS_FOR_CONSTRAINT.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

	* alloc-pool.c (alloc_pool_descriptor): Use an insert_opion value
	instead of an int.
	* bitmap.c (bitmap_descriptor): Likewise.
	* ggc-common.c (loc_descriptor): Likewise.
	* varray.c (varray_descriptor): Likewise.
	* vec.c (vec_descriptor): Likewise.

2009-04-30  Eric Botcazou  <ebotcazou@adacore.com>

	* Makefile.in (dce.o): Add $(EXCEPT_H).
	* dce.c: Include except.h and delete redundant vector definitions.
	(deletable_insn_p): Return false for non-call insns that can throw
	if DF is running.

2009-04-30  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (ae_gen): Remove.
	(can_assign_to_reg_p): Rename to can_assign_to_reg_without_clobbers_p
	and make non-static function to make it available in store-motion.c.
	Update call sites with search-and-replace.
	(enumerate_ldsts, reg_set_info, reg_clear_last_set, store_ops_ok,
	extract_mentioned_regs, extract_mentioned_regs_helper,
	find_moveable_store, compute_store_table, load_kills_store, find_loads,
	store_killed_in_insn, store_killed_after, store_killed_before,
	build_store_vectors, insert_insn_start_basic_block, insert-store,
	remove_reachable_equiv_notes, replace_store_insn, delete_store,
	free_store_memory, one_store_motion_pass, gate_rtl_store_motion,
	execute_rtl_store_motion, pass_rtl_store_motion): Move to...
	* store-motion.c: ...new file.  Also copy data structures from gcse.c
	and clean up to remove parts not used by store motion.
	* rtl.h (can_assign_to_reg_without_clobbers_p): Add prototype.
	* Makefile.in (store-motion.o): New rule. Add to OBJS-common.

2009-04-30  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/38571
	* config/arm/arm.h (FUNCTION_BOUNDARY): Set to 16 for thumb
	when optimizing for size.

2009-04-30  Hans-Peter Nilsson  <hp@axis.com>

	* gcse.c (gcse_constant_p): Fix typo in last change.

2009-04-30  Rafael Avila de Espindola  <espindola@google.com>

	* plugin.c: Include plugin-version.h only if ENABLE_PLUGIN is defined.

2009-04-30  Andreas Krebbel  <krebbel1@de.ibm.com>

	* gcse.c (gcse_constant_p): Make sure the constant is sharable.

2009-04-29  James E. Wilson  <wilson@codesourcery.com>

	* config/mips/mips.c (mips_add_offset): Use gen_int_mode for
	CONST_HIGH_PART result.

2009-04-29  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (initial_elimination_offset): Rename to
	avr_initial_elimination_offset.
	(frame_pointer_required_p): Rename to avr_frame_pointer_required_p,
	change return type to bool.
	(avr_can_eliminate): New function.
	* config/avr/avr.h (CAN_ELIMINATE): Use avr_can_eliminate.
	(FRAME_POINTER_REQUIRED): Use avr_frame_pointer_required_p.
	(INITIAL_ELIMINATION_OFFSET): Use avr_initial_elimination_offset.
	* config/avr/avr-protos.h (initial_elimination_offset): Rename to
	avr_initial_elimination_offset.
	(frame_pointer_required_p): Rename to avr_frame_pointer_required_p.
	(avr_initial_elimination_offset): Define.

2009-04-29  Eric Botcazou  <ebotcazou@adacore.com>
	    Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/39938
	* Makefile.in (cfgrtl.o): Add $(INSN_ATTR_H).
	* cfgrtl.c: Include insn-attr.h.
	(rest_of_pass_free_cfg): New function.
	(pass_free_cfg): Use rest_of_pass_free_cfg as execute function.
	* resource.c (init_resource_info): Remove call to df_analyze.

2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR target/39943
	* config/i386/i386.c (ix86_vectorize_builtin_conversion): Only
	allow conversion to signed integers.

2009-04-29  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_assign_binary): Allow vector
	shifts of floating point vectors if the shift amount is
	a constant multiple of the element size.

2009-04-29  Andreas Krebbel  <krebbel1@de.ibm.com>
	    Michael Matz  <matz@suse.de>

	PR middle-end/39927
	PR bootstrap/39929
	* tree-outof-ssa.c (emit_partition_copy): New function.
	(insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
	insert_part_to_rtx_on_edge): Perform the partition base var
	copy using emit_partition_copy.
	(insert_value_copy_on_edge): Convert constants to the right mode.
	(insert_rtx_to_part_on_edge): Add UNSIGNEDSRCP parameter.
	(elim_create): Pass the sign of the src to insert_rtx_to_part_on_edge.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_optimize_loop): If we need a scratch reg,
	scan backwards to try to find a constant to initialize it.

	* config/bfin/bfin.c (bfin_optimize_loop): When looking for the last
	insn before the loop_end instruction, don't look past labels.

2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39937
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
	loose type conversions.
	(forward_propagate_addr_expr): Fix tuplification bug.  Remove
	stmts only if there are no uses of its definition.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.h (splitting_loops): Declare.
	* config/bfin/bfin-protos.h (WA_05000257, WA_05000283, WA_05000315):
	Reorder bit definitions to be ascending.
	(WA_LOAD_LCREGS, ENABLE_WA_LOAD_LCREGS): New macros.
	* config/bfin/bfin.c (splitting_loops): New variable.
	(bfin_cpus): Add WA_LOAD_LCREGS as needed.
	(struct loop_info): Remove members INIT and LOOP_INIT.
	(bfin_optimize_loop): Don't set them.  Reorder the code that generates
	the LSETUP sequence.  Allow LC to be loaded from any register, but
	also add a case to push/pop a PREG scratch if ENABLE_WA_LOAD_LCREGS.
	(bfin_reorg_loops): When done, split all BB_ENDs with splitting_loops
	set to 1.
	* config/bfin/bfin.md (loop_end splitter): Use splitting_loops instead
	of reload_completed.

	From Jie Zhang:
	* config/bfin/bfin.md (movsi_insn): Refine constraints.

2009-04-29  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (PLUGIN_VERSION_H): New.
	(OBJS-common): Remove plugin-version.o.
	(plugin.o): Depend on (PLUGIN_VERSION_H).
	(plugin-version.o): Remove.
	* configure: Regenerate
	* configure.ac: Create plugin-version.h.
	* gcc-plugin.h (plugin_gcc_version): Remove.
	(plugin_default_version_check): Change signature.
	* plugin-version.c: Remove.
	* plugin.c: Include plugin-version.h.
	(str_plugin_gcc_version_name): Remove.
	(try_init_one_plugin): Pass gcc version to plugin_init.
	(plugin_default_version_check): Both gcc and plugin versions are now
	arguments.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_optimize_loop): Unify handling of
	problematic last insns.  Test for TYPE_CALL rather than CALL_P.
	Remove special case testing for last insn of inner loops. Don't fail
	if the loop ends with a jump, emit an extra nop instead.

	* config/bfin/bfin.c (bfin_register_move_cost): Test for subsets of
	DREGS rather than comparing directly.  Remove code that tries to
	account for latencies.

2009-04-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39941
	* tree-ssa-pre.c (eliminate): Schedule update-ssa after
	eliminating an indirect call.

2009-04-29  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_types_in_gimple_reference): Add require_lvalue
	parameter.  Allow invariants as base if !require_lvalue.
	(verify_gimple_assign_single): Adjust.

2009-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.md (sp_or_sm, spm_string, spm_name): New macro.
	(ss<spm_name>hi3, ss<spm_name>hi3_parts, ss<spm_name>hi3_low_parts,
	ss<spm_name_hi3_high_parts): New patterns, replacing ssaddhi3,
	ssubhi3, ssaddhi3_parts and sssubhi3_parts.
	(flag_mulhi3_parts): Produce a HImode output rather than trying to set
	a VEC_SELECT.
	* config/bfin/bfin.c (bfin_expand_builtin,
	case BFIN_BUILTIN_CPLX_SQU): Adjust accordingly.

2009-04-28  Richard Guenther  <rguenther@suse.de>

	* tree-vect-loop.c (get_initial_def_for_induction): Use
	correct types for pointer increment.

2009-04-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* toplev.c (print_version): Update GMP version string calculation.

2009-04-28  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/39938
	* resource.c (init_resource_info): Add call to df_analyze.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (usegp): Cast the result of
	alpha_find_lo_sum_using_gp to enum attr_usegp.
	* config/alpha/alpha.c (override_options): Remove end-of-structure
	marker element from cpu_table.  Use array size of cpu_table to handle
	-mcpu and -mtune options.
	(tls_symbolic_operand_type): Change 0 to TLS_MODEL_NONE.

2009-04-28  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (powerpc*-*-* | rs6000-*-*): Add
	rs6000/option-defaults.h to tm_file.  Support cpu_32, cpu_64,
	tune_32 and tune_64.
	* doc/install.texi (--with-cpu-32, --with-cpu-64): Document
	support on PowerPC.
	* config/rs6000/rs6000.h (OPTION_DEFAULT_SPECS): Move to ...
	* config/rs6000/option-defaults.h: ... here.  New file.
	(OPT_64, OPT_32): Define.
	(MASK_64BIT): Define to 0 if not already defined.
	(OPT_ARCH64, OPT_ARCH32): Define.
	(OPTION_DEFAULT_SPECS): Add entries for cpu_32, cpu_64, tune_32
	and tune_64.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (arm_override_options): Emit error on using
	fpa with AAPCS.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/39914
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables only
	when not optimizing.

2009-04-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39937
	* fold-const.c (fold_binary): Use distribute_real_division only
	on float types.

2009-04-28  Steve Ellcey  <sje@cup.hp.com>

	* config.gcc (hppa*64*-*-hpux11*): Set use_gcc_stdint and
	add hpux-stdint.h to tm_file.
	(hppa[12]*-*-hpux11*): Ditto.
	(ia64*-*-hpux*): Ditto.
	* config/hpux-stdint.h: New.
	* config/ia64/hpux.h (TARGET_OS_CPP_BUILTINS): Set
	__STDC_EXT__ for all compiles.
	* config/pa/pa-hpux.h: Ditto.
	* config/pa/pa-hpux10.h: Ditto.
	* config/pa/pa-hpux11.h: Ditto.

2009-04-28  Catherine Moore  <clm@codesourcery.com>

	* debug.h (set_name): Add comment.

2009-04-28  Andrew Pinski  <pinskia@gmail.com>

	PR target/39929
	* config/darwin.c (machopic_gen_offset): Check
	currently_expanding_to_rtl if current_ir_type returns IR_GIMPLE.
	* config/arm/arm.c (require_pic_register): Likewise.

2009-04-28  Paolo Bonzini  <bonzini@gnu.org>

	* config/m32c/m32c.c (TARGET_PROMOTE_FUNCTION_RETURN,
	m32c_promote_function_return, TARGET_PROMOTE_PROTOTYPES,
	m32c_promote_prototypes): Delete.

2009-04-28  Michael Matz  <matz@suse.de>

	PR middle-end/39922
	* tree-outof-ssa.c (insert_value_copy_on_edge): Don't convert
	constants.

2009-04-28  Richard Guenther  <rguenther@suse.de>

	* tree-vect-stmts.c (vect_get_vec_def_for_operand): Fix type error.

2009-04-28  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm-cores.def: Add support for arm1156t2f-s.
	* doc/invoke.texi (ARM Options): Document support for arm1156t2f-s.
	* config/arm/arm-tune.md: Regenerate.

2009-04-28  Alexander Monakov  <amonakov@ispras.ru>

	* sel-sched-ir.c (maybe_tidy_empty_bb): Do not attempt to delete a
	block if there are complex incoming edges.
	(sel_merge_blocks): Remove useless assert.
	(sel_redirect_edge_and_branch): Check that edge was redirected.
	* sel-sched-ir.h (_eligible_successor_edge_p): Remove assert.
	(sel_find_rgns): Delete declaration.
	* sel-sched.c (purge_empty_blocks): Attempt to remove first block of
	the region when it is not a preheader.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR c/39323
	* config/alpha/elf.h (MAX_OFILE_ALIGNMENT): Sync with elfos.h

2009-04-28  Richard Guenther  <rguenther@suse.de>

	* tree.h (SSA_NAME_VALUE): Remove.
	(struct tree_ssa_name): Remove value_handle member.
	* tree-vrp.c (execute_vrp): Initialize/free the value-handle
	array for jump threading.
	* tree-ssa-propagate.c (ssa_prop_init): Do not initialize
	SSA_NAME_VALUEs.
	* print-tree.c (print_node): Do not dump SSA_NAME_VALUEs.
	* tree-flow.h (threadedge_initialize_values): Declare.
	(threadedge_finalize_values): Likewise.
	* tree-ssa-threadedge.c (ssa_name_values): New global variable.
	(SSA_NAME_VALUE): Define.
	(threadedge_initialize_values): New function.
	(threadedge_finalize_values): Likewise.
	* tree-ssa-dom.c (ssa_name_values): New global variable.
	(SSA_NAME_VALUE): Define.
	(tree_ssa_dominator_optimize): Initialize/free the value-handle array.

2009-04-28  Ira Rosen  <irar@il.ibm.com>

	* tree-vect-loop-manip.c (vect_create_cond_for_alias_checks):
	Use REPORT_VECTORIZED_LOCATIONS instead
	REPORT_VECTORIZED_LOOPS.
	* tree-vectorizer.c (vect_verbosity_level): Make static.
	(vect_loop_location): Rename to vect_location.
	(vect_set_verbosity_level): Update comment.
	(vect_set_dump_settings): Use REPORT_VECTORIZED_LOCATIONS
	and vect_location.
	(vectorize_loops): Fix comment. Use REPORT_VECTORIZED_LOCATIONS
	and vect_location. Use REPORT_UNVECTORIZED_LOCATIONS
	instead REPORT_UNVECTORIZED_LOOPS.
	* tree-vectorizer.h (enum vect_def_type): Rename vect_invariant_def
	and vect_loop_def to vect_external_def and vect_internal_def.
	(enum verbosity_levels): Rename REPORT_VECTORIZED_LOOPS
	and REPORT_UNVECTORIZED_LOOPS to REPORT_VECTORIZED_LOCATIONS and
	REPORT_UNVECTORIZED_LOCATIONS.
	(enum vect_relevant): Update comment. Rename vect_unused_in_loop
	and vect_used_in_loop and to vect_unused_in_scope and
	vect_used_in_scope.
	(STMT_VINFO_RELEVANT_P): Use vect_unused_in_scope.
	(vect_verbosity_level): Remove declaration.
	(vect_analyze_operations): Likewise.
	(vect_analyze_stmt): Declare.
	* tree-vect-loop.c (vect_determine_vectorization_factor): Use
	REPORT_UNVECTORIZED_LOCATIONS.
	(vect_get_loop_niters): Fix indentation.
	(vect_analyze_loop_form): Use REPORT_UNVECTORIZED_LOCATIONS.
	(vect_analyze_loop_operations): New function.
	(vect_analyze_loop): Call vect_analyze_loop_operations instead of
	vect_analyze_operations.
	(vect_is_simple_reduction): Use new names.
	(vectorizable_live_operation, vect_transform_loop): Likewise.
	* tree-vect-data-refs.c (vect_check_interleaving): Add a return value
	to specify whether the data references can be a part of interleaving
	chain.
	(vect_analyze_data_ref_dependence): Use new names.
	(vect_analyze_data_refs_alignment, vect_analyze_data_refs): Likewise.
	(vect_create_addr_base_for_vector_ref): Remove redundant code.
	* tree-vect-patterns.c (widened_name_p): Use new names.
	(vect_recog_dot_prod_pattern): Likewise.
	* tree-vect-stmts.c (vect_stmt_relevant_p): Use new names.
	(process_use, vect_mark_stmts_to_be_vectorized,
	vect_model_simple_cost, vect_model_store_cost,
	vect_get_vec_def_for_operand, vect_get_vec_def_for_stmt_copy,
	vectorizable_call, vectorizable_conversion, vectorizable_assignment,
	vectorizable_operation, vectorizable_type_demotion,
	vectorizable_type_promotion, vectorizable_store, vectorizable_load,
	vectorizable_condition): Likewise.
	(vect_analyze_operations): Split into vect_analyze_loop_operations
	and ...
	(vect_analyze_stmt): ... new function.
	(new_stmt_vec_info): Use new names.
	(vect_is_simple_use): Use new names and fix comment.
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Use new names.
	(vect_build_slp_tree, vect_analyze_slp, vect_schedule_slp): Likewise.

2009-04-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39911
	* config/i386/i386.c (print_operand) ['Z']: Handle floating point
	and integer modes for x87 operands.  Do not ICE for unsupported size,
	generate error instead.  Generate error for unsupported operand types.
	['z']: Do not handle HImode memory operands specially.  Warning
	for floating-point operands.  Fallthru to 'Z' for unsupported operand
	types.  Do not ICE for unsupported size, generate error instead.
	(output_387_binary_op): Use %Z to output operands.
	(output_fp_compare): Ditto.
	(output_387_reg_move): Ditto.

2009-04-28  Ben Elliston  <bje@au.ibm.com>

	PR c++/35652
	Revert:

	2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* builtins.c (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-04-27  Ian Lance Taylor  <iant@google.com>

	* collect2.c (is_ctor_dtor): Change type of ret field in struct
	names to symkind.
	* dce.c (run_fast_df_dce): Change type of old_flags to int.
	* df-core.c (df_set_flags): Change return type to int.  Change
	type of old_flags to int.
	(df_clear_flags): Likewise.
	* df-scan.c (df_def_record_1): Change 0 to VOIDmode.
	(df_get_conditional_uses): Likewise.
	* df.h (df_set_flags, df_clear_flags): Update declarations.
	* dwarf2out.c (struct indirect_string_node): Change type of form
	field to enum dwarf_form.
	(AT_string_form): Change return type to enum dwarf_form.
	* fixed-value.c (fixed_compare): Add cast to enum type.
	* fwprop.c (update_df): Change 0 to VOIDmode.
	* gensupport.c: Change 0 to UNKNOWN.
	* gimple.h (gimple_cond_code): Add cast to enum type.
	* haifa-sched.c (reemit_notes): Add cast to enum type.
	* hooks.c (hook_int_void_no_regs): Remove function.
	* hooks.h (hook_int_void_no_regs): Remove declaration.
	* optabs.c (expand_widen_pattern_expr): Change 0 to VOIDmode.
	* predict.c (combine_predictions_for_insn): Add casts to enum type.
	* real.c (real_arithmetic): Add cast to enum type.
	(real_compare): Likewise.
	* target.h (struct gcc_target): Change return type of
	branch_target_register_class to enum reg_class.
	* target-def.h (TARGET_BRANCH_TARGET_REGISTER_CLASS): Define as
	default_branch_target_register_class.
	* targhooks.c (default_branch_target_register_class): New function.
	* targhooks.h (default_branch_target_register_class): Declare.
	* tree-data-ref.c (print_direction_vector): Add cast to enum type.
	* tree-vect-data-refs.c (vect_supportable_dr_alignment): Remove
	cast to int.
	* tree-vect-loop.c (vect_create_epilog_for_reduction): Change 0 to
	ERROR_MARK.
	* tree-vect-slp.c (vect_build_slp_tree): Change 0 to
	vect_uninitialized_def.  Change 0 to ERROR_MARK.
	* tree-vect-stmts.c (supportable_widening_operation): Don't
	initialize icode1 and icode2.
	* tree-vectorizer.h (enum vect_def_type): Add vect_uninitialized_def.
	* config/sol2-c.c (cmn_err_length_specs): Change 0 to FMT_LEN_none
	and to STD_C89.
	(cmn_err_flag_specs): Change 0 to STD_C89.
	(cmn_err_char_table): Likewise.
	* config/arm/arm.c (get_arm_condition_code): Change type of code
	to enum arm_cond_code.
	(IWMMXT_BUILTIN): Change 0 to UNKNOWN.
	(IWMMXT_BUILTIN2): Likewise.
	(neon_builtin_type_bits): Don't define typedef.
	(neon_builtin_datum): Change type of bits field to int.
	(arm_expand_neon_args): Add cast to enum type.
	* config/ia64/ia64.c (tls_symbolic_operand_type): Change 0 to
	TLS_MODEL_NONE.
	* config/i386/i386.c (bdesc_multi_arg): Change 0 to UNKNOWN.  Add
	casts to enum type.
	* config/mips/mips.c (LOONGSON_BUILTIN_ALIAS): Change 0 to
	MIPS_FP_COND_f.
	* config/mips/mips.md (jal_macro): Return enum constant.
	(single_insn): Likewise.
	* config/rs6000/rs6000.c (bdesc_altivec_preds): Change 0 to
	CODE_FOR_nothing.
	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	casts to enum type.
	* config/s390/s390.c (s390_tune_flags): Change type to int.
	(s390_arch_flags): Likewise.
	(s390_handle_arch_option): Change flags field of struct pta to int.
	* config/s390/s390.h (s390_tune_flags): Update declaration.
	(s390_arch_flags): Likewise.
	* config/sh/sh.c (prepare_move_operands): Compare
	tls_symbolic_operand result with enum constant.
	(sh_reorg): Change PUT_MODE to PUT_REG_NOTE_KIND.
	(sh_expand_prologue): Add cast to enum type.
	(sh_expand_epilogue): Likewise.
	(tls_symbolic_operand): Change return type to enum tls_model.
	(fpscr_set_from_mem): Add cast to enum type.
	(legitimize_pic_address): Compare tls_symbolic_operand result with
	enum constant.
	(sh_target_reg_class): Change return type to enum reg_class.
	* config/sh/sh.h (OVERRIDE_OPTIONS): Change CPU_xxx to
	PROCESSOR_xxx.
	* config/sh/sh-protos.h (tls_symbolic_operand): Update declaration.
	* config/sparc/sparc.c (sparc_override_options): Add cast to enum type.
	* config/sparc/sparc.md (empty_delay_slot): Return enum constant.
	(pic, calls_alloca, calls_eh_return, leaf_function): Likewise.
	(delayed_branch, tls_call_delay): Likewise.
	(eligible_for_sibcall_delay): Likewise.
	(eligible_for_return_delay): Likewise.
	* config/spu/spu.c (expand_builtin_args): Add cast to enum type.
	(spu_expand_builtin_1): Likewise.

	* c-typeck.c (convert_for_assignment): Issue -Wc++-compat warnings
	for all types of conversions.
	(output_init_element): Issue -Wc++-compat warning if needed when
	initializing a bitfield with enum type.
	* c-parser.c (c_parser_expression): Set original_type to
	original_type of right hand operand of comma operator.

2009-04-27  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/c-tree.texi (Types, Functions, Expression trees): Fix
	grammar nits.
	* doc/cfg.texi (Maintaining the CFG, Liveness information): Likewise.
	* doc/cpp.texi (Standard Predefined Macros)
	(Implementation-defined behavior): Likewise.
	* doc/extend.texi (Function Attributes, Type Attributes): Likewise.
	* doc/gimple.texi (GIMPLE Exception Handling)
	(@code{GIMPLE_ASSIGN}): Likewise.
	* doc/install.texi (Prerequisites, Configuration, Specific): Likewise.
	* doc/invoke.texi (Warning Options, Optimize Options)
	(AVR Options, Darwin Options): Likewise.
	(Optimize Options): Reformulate -fwhole-program description.
	* doc/loop.texi (Lambda): Likewise.
	* doc/md.texi (Output Template, Define Constraints)
	(Standard Names, Insn Splitting): Likewise.
	* doc/options.texi (Option properties): Likewise.
	* doc/passes.texi (Tree-SSA passes): Likewise.
	* doc/rtl.texi (Side Effects, Assembler, Insns): Likewise.
	* doc/tm.texi (Register Classes, Old Constraints, Scalar Return)
	(File Names and DBX): Likewise.
	* doc/trouble.texi (Incompatibilities): Likewise.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

	* spu.c (spu_machine_dependent_reorg): Make sure branch label on hint
	instruction is correct.

2009-04-27  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>

	Allow non-constant arguments to conversion intrinsics.
	* spu-protos.h (exp2_immediate_p, spu_gen_exp2): Declare.
	* predicates.md (spu_inv_exp2_operand, spu_exp2_operand): New.
	* spu.c (print_operand): Handle 'v' and 'w'.
	(exp2_immediate_p, spu_gen_exp2): Define.
	* spu-builtins.def (spu_convts, spu_convtu, spu_convtf_0,
	spu_convtf_1): Update parameter descriptions.
	* spu-builtins.md (spu_csflt, spu_cuflt, spu_cflts, spu_cfltu): Update.
	* constraints.md ('v', 'w'): New.
	* spu.md (UNSPEC_CSFLT, UNSPEC_CFLTS, UNSPEC_CUFLT, UNSPEC_CFLTU):
	Remove.
	(i2f, I2F): New define_mode_attr.
	(floatsisf2, floatv4siv4sf2, fix_truncsfsi2, fix_truncv4sfv4si2,
	floatunssisf2, floatunsv4siv4sf2, fixuns_truncsfsi2,
	fixuns_truncv4sfv4si2):  Update to use mode attribute.
	(float<mode><i2f>2_mul, float<mode><i2f>2_div,
	fix_trunc<mode><f2i>2_mul, floatuns<mode><i2f>2_mul,
	floatuns<mode><i2f>2_div, fixuns_trunc<mode><f2i>2_mul): New
	patterns for combine.

2009-04-27  Steven Bosscher  <steven@gcc.gnu.org>

	* dbgcnt.def (cprop1, cprop2, gcse, jump_bypass): Remove
	(cprop, hoist, pre, store_motion): New debug counters.
	* tree-pass.h (pass_tracer): Move to list of gimple passes, it
	is not an RTL pass anymore.
	(pass_profiling): Remove extern decl for pass removed in 2005.
	(pass_gcse, pass_jump_bypass): Remove.
	* final.c (rest_of_clean_state): Set flag_rerun_cse_after_global_opts
	to 0 for clean state.
	* toplev.h (flag_rerun_cse_after_global_opts): Add extern declaration.
	* cse.c (gate_handle_cse_after_global_opts,
	rest_of_handle_cse_after_global_opts): New functions.
	(pass_cse_after_global_opts): New pass, does local CSE.
	* timevar.def (TV_GCSE, TV_CPROP1, TV_CPROP2, TV_BYPASS): Remove.
	(TV_CPROP): New timevar.
	* gcse.c (flag_rerun_cse_after_global_opts): New global variable.
	(run_jump_opt_after_gcse, max_gcse_regno): Remove global vars.
	(gcse_main, recompute_all_luids): Remove.
	(compute_hash_table_work): Call max_reg_num instead of reading
	max_gcse_regno.
	(cprop_jump): Don't set run_jump_opt_after_gcse.
	(constprop_register): Always allow to alter jumps.
	(cprop_insn): Likewise.
	(do_local_cprop): Likewise.
	(local_cprop_pass): Likewise.  Return non-zero if something changed.
	(cprop): Remove function, fold interesting bits into one_cprop_pass.
	(find_implicit_sets): Add note about missed optimization opportunity.
	(one_cprop_pass): Rewrite to be "the" CPROP pass, called from the
	pass_rtl_cprop execute function.
	Don't bother tracking the pass number, each pass gets its own dumpfile
	now anyway.
	Always allow to alter jumpsand bypass jumps.
	(bypass_block): Don't ignore regno >= max_gcse_regno, find_bypass_set
	will just find no suitable set.
	(pre_edge_insert): Fix dumping, this function is for PRE only.
	(one_pre_gcse_pass): Rewrite to be "the" PRE pass, called from the
	pass_rtl_pre execute function.
	(hoist_code): Return non-zero if something changed.  Keep track of
	substitutions and insertions for statistics gathering similar to PRE.
	(one_code_hoisting_pass): Rewrite to be "the" code hoisting pass,
	called from the pass_rtl_hoist execute function.  Show pass statistics.
	(compute_store_table): Use max_reg_num directly instead of using the
	formerly global max_gcse_regno.
	(build_store_vectors): Likewise.
	(replace_store_insn): Fix dumping.
	(store_motion): Rename to ...
	(one_store_motion_pass): ... this.  Rewrite to be "the" STORE_MOTION
	pass, called from the pass_rtl_store_motion execute function.  Keep
	track of substitutions and insertions for statistics gathering similar
	to PRE.
	(bypass_jumps): Remove, fold interesting bits into ...
	(one_cprop_pass): ... this.  Rewrite to be "the" CPROP pass, called
	from the pass_rtl_cprop execute function.
	(gate_handle_jump_bypass, rest_of_handle_jump_bypass,
	pass_jump_bypass): Remove.
	(gate_handle_gcse, rest_of_handle_gcse): Remove.
	(gate_rtl_cprop, execute_rtl_cprop, pass_rtl_cprop): New.
	(gate_rtl_pre, execute_rtl_pre, pass_rtl_pre): New.
	(gate_rtl_hoist, execute_rtl_hoist, pass_rtl_hoist): New.
	(gate_rtl_store_motion, execute_rtl_store_motion,
	pass_rtl_store_motion): New.
	* common.opt: Remove flag_cse_skip_blocks, adjust documentation to
	make it clear that -fcse-skip-blocks is a no-op for backward compat.
	* passes.c (init_optimization_passes): Remove pass_gcse and
	pass_jump_bypass.  Schedule cprop, pre, hoist, cprop, store_motion,
	and cse_after_global_opts in place of pass_gcse.  Schedule cprop
	instead of pass_jump_bypass.

2009-04-27  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39928
	* gimplify.c (gimplify_expr): If we are required to create
	a temporary make sure it ends up as register.

2009-04-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39903
	* config/i386/i386.c (construct_container): Don't call
	gen_reg_or_parallel with BLKmode on X86_64_SSE_CLASS,
	X86_64_SSESF_CLASS and X86_64_SSEDF_CLASS.

2009-04-27  Michael Matz  <matz@suse.de>

	* ssaexpand.h (struct ssaexpand): Member 'values' is a bitmap.
	(get_gimple_for_ssa_name): Adjust, lookup using SSA_NAME_DEF_STMT.
	* tree-ssa-live.h: (find_replaceable_exprs): Return a bitmap.
	(dump_replaceable_exprs): Take a bitmap.
	* cfgexpand.c (gimple_cond_pred_to_tree): Handle bitmap instead of
	array.
	(expand_gimple_basic_block): Likewise.
	* tree-ssa-ter.c (struct temp_expr_table_d): Make
	replaceable_expressions member a bitmap.
	(free_temp_expr_table): Pass back and deal with bitmap, not gimple*.
	(mark_replaceable): Likewise.
	(find_replaceable_in_bb, dump_replaceable_exprs): Likewise.
	* tree-outof-ssa.c (remove_ssa_form): 'values' is a bitmap.

2009-04-27  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (remove_useless_stmts): Verify stmts afterwards.
	(verify_stmts): Dispatch to gimple/type verification code.
	* tree-inline.c (remap_gimple_op_r): Work around C++ FE
	issue with call argument types.

2009-04-27  Michael Matz  <matz@suse.de>

	* tree-into-ssa.c (regs_to_rename, mem_syms_to_rename): Remove.
	(init_update_ssa, delete_update_ssa, update_ssa): Remove references
	to above.

2009-04-27  Richard Sandiford  <rdsandiford@googlemail.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* resource.c (find_basic_block): Use BLOCK_FOR_INSN to look up
	a label's basic block.
	(mark_target_live_regs): Tidy and rework obsolete comments.
	Change back DF problem to LIVE.  If a label starts a basic block,
	assume that all registers that used to be live then still are.
	(init_resource_info): If a label starts a basic block, set its
	BLOCK_FOR_INSN accordingly.
	(fini_resource_info): Undo the setting of BLOCK_FOR_INSN.

2009-04-27  Richard Guenther  <rguenther@suse.de>

	* tree-flow-inline.h (function_ann): Remove.
	(get_function_ann): Likewise.
	* tree-dfa.c (create_function_ann): Remove.
	* tree-flow.h (struct static_var_ann_d): Remove.
	(struct function_ann_d): Likewise.
	(union tree_ann_d): Remove fdecl member.
	(function_ann_t): Remove.
	(function_ann, get_function_ann, create_function_ann): Remove
	declarations.

2009-04-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (code_for_builtin): Declare as enum insn_code.

2009-04-27  Jan Hubicka  <jh@suse.cz>

	* ipa-pure-const.c (struct funct_state_d): New fields
	state_previously_known, looping_previously_known; remove
	state_set_in_source.
	(analyze_function): Use new fields.
	(propagate): Avoid assumption that state_set_in_source imply
	nonlooping.

	* tree-ssa-loop-niter.c (finite_loop_p): New function.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Use it.
	* cfgloop.h (finite_loop_p): Declare.

2009-04-26  Michael Matz  <matz@suse.de>

	* tree-flow.h (tree_ann_common_d): Remove aux and value_handle members.

2009-04-26  Michael Matz  <matz@suse.de>

	* tree-pass.h (pass_del_ssa, pass_mark_used_blocks,
	pass_free_cfg_annotations, pass_free_datastructures): Remove decls.
	* gimple-low.c (mark_blocks_with_used_vars, mark_used_blocks,
	pass_mark_used_blocks): Remove.
	* tree-optimize.c (pass_free_datastructures,
	execute_free_cfg_annotations, pass_free_cfg_annotations): Remove.
	* passes.c (init_optimization_passes): Don't call
	pass_mark_used_blocks, remove dead code.

2009-04-26  H.J. Lu  <hongjiu.lu@intel.com>

	* tree-outof-ssa.c (rewrite_trees): Add ATTRIBUTE_UNUSED.
	* tree-ssa-live.h (register_ssa_partition): Likewise.

2009-04-26  Michael Matz  <matz@suse.de>

	Expand from SSA.
	* builtins.c (fold_builtin_next_arg): Handle SSA names.
	* tree-ssa-copyrename.c (rename_ssa_copies): Use ssa_name() directly.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Mark only useful
	SSA names.
	(compare_pairs): Swap cost comparison.
	(coalesce_ssa_name): Don't use change_partition_var.
	* tree-nrv.c (struct nrv_data): Add modified member.
	(finalize_nrv_r): Set it.
	(tree_nrv): Use it to update statements.
	(pass_nrv): Require PROP_ssa.
	* tree-mudflap.c (mf_decl_cache_locals,
	mf_build_check_statement_for): Use make_rename_temp.
	(pass_mudflap_2): Require PROP_ssa, run ssa update at finish.
	* alias.c (find_base_decl): Handle SSA names.
	* emit-rtl (set_reg_attrs_for_parm): Make non-static.
	(component_ref_for_mem_expr): Don't leak SSA names into RTL.
	* rtl.h (set_reg_attrs_for_parm): Declare.
	* tree-optimize.c (pass_cleanup_cfg_post_optimizing): Rename
	to "optimized", remove unused locals at finish.
	(execute_free_datastructures): Make global, call
	delete_tree_cfg_annotations.
	(execute_free_cfg_annotations): Don't call
	delete_tree_cfg_annotations.

	* ssaexpand.h: New file.
	* expr.c (toplevel): Include ssaexpand.h.
	(expand_assignment): Handle SSA names the same as register variables.
	(expand_expr_real_1): Expand SSA names.
	* cfgexpand.c (toplevel): Include ssaexpand.h.
	(SA): New global variable.
	(gimple_cond_pred_to_tree): Fold TERed comparisons into predicates.
	(SSAVAR): New macro.
	(set_rtl): New helper function.
	(add_stack_var): Deal with SSA names, use set_rtl.
	(expand_one_stack_var_at): Likewise.
	(expand_one_stack_var): Deal with SSA names.
	(stack_var_size_cmp): Use code (SSA_NAME / DECL) as tie breaker
	before unique numbers.
	(expand_stack_vars): Use set_rtl.
	(expand_one_var): Accept SSA names, add asserts for them, feed them
	to above subroutines.
	(expand_used_vars): Expand all partitions (without default defs),
	then only the local decls (ignoring those expanded already).
	(expand_gimple_cond): Remove edges when jumpif() expands an
	unconditional jump.
	(expand_gimple_basic_block): Don't clear EDGE_EXECUTABLE here,
	or remove abnormal edges.  Ignore insns setting the LHS of a TERed
	SSA name.
	(gimple_expand_cfg): Call into rewrite_out_of_ssa, initialize
	members of SA; deal with PARM_DECL partitions here; expand
	all PHI nodes, free tree datastructures and SA.  Commit instructions
	on edges, clear EDGE_EXECUTABLE and remove abnormal edges here.
	(pass_expand): Require and destroy PROP_ssa, verify SSA form, flow
	info and statements at start, collect garbage at finish.
	* tree-ssa-live.h (struct _var_map): Remove partition_to_var member.
	(VAR_ANN_PARTITION) Remove.
	(change_partition_var): Don't declare.
	(partition_to_var): Always return SSA names.
	(var_to_partition): Only accept SSA names.
	(register_ssa_partition): Only check argument.
	* tree-ssa-live.c (init_var_map): Don't allocate partition_to_var
	member.
	(delete_var_map): Don't free it.
	(var_union): Only accept SSA names, simplify.
	(partition_view_init): Mark only useful SSA names as used.
	(partition_view_fini): Only deal with SSA names.
	(change_partition_var): Remove.
	(dump_var_map): Use ssa_name instead of partition_to_var member.
	* tree-ssa.c (delete_tree_ssa): Don't remove PHI nodes on RTL
	basic blocks.
	* tree-outof-ssa.c (toplevel): Include ssaexpand.h and expr.h.
	(struct _elim_graph): New member const_dests; nodes member vector of
	ints.
	(set_location_for_edge): New static helper.
	(create_temp): Remove.
	(insert_partition_copy_on_edge, insert_part_to_rtx_on_edge,
	insert_value_copy_on_edge, insert_rtx_to_part_on_edge): New functions.
	(new_elim_graph): Allocate const_dests member.
	(clean_elim_graph): Truncate const_dests member.
	(delete_elim_graph): Free const_dests member.
	(elim_graph_size): Adapt to new type of nodes member.
	(elim_graph_add_node): Likewise.
	(eliminate_name): Likewise.
	(eliminate_build): Don't take basic block argument, deal only with
	partition numbers, not variables.
	(get_temp_reg): New static helper.
	(elim_create): Use it, deal with RTL temporaries instead of trees.
	(eliminate_phi): Adjust all calls to new signature.
	(assign_vars, replace_use_variable, replace_def_variable): Remove.
	(rewrite_trees): Only do checking.
	(edge_leader, stmt_list, leader_has_match, leader_match): Remove.
	(same_stmt_list_p, identical_copies_p, identical_stmt_lists_p,
	init_analyze_edges_for_bb, fini_analyze_edges_for_bb,
	contains_tree_r, MAX_STMTS_IN_LATCH,
	process_single_block_loop_latch, analyze_edges_for_bb,
	perform_edge_inserts): Remove.
	(expand_phi_nodes): New global function.
	(remove_ssa_form): Take ssaexpand parameter.  Don't call removed
	functions, initialize new parameter, remember partitions having a
	default def.
	(finish_out_of_ssa): New global function.
	(rewrite_out_of_ssa): Make global.  Adjust call to remove_ssa_form,
	don't reset in_ssa_p here, don't disable TER when mudflap.
	(pass_del_ssa): Remove.
	* tree-flow.h (struct var_ann_d): Remove out_of_ssa_tag and
	partition members.
	(execute_free_datastructures): Declare.
	* Makefile.in (SSAEXPAND_H): New variable.
	(tree-outof-ssa.o, expr.o, cfgexpand.o): Depend on SSAEXPAND_H.
	* basic-block.h (commit_one_edge_insertion): Declare.
	* passes.c (init_optimization_passes): Move pass_nrv and
	pass_mudflap2 before pass_cleanup_cfg_post_optimizing, remove
	pass_del_ssa, pass_free_datastructures, pass_free_cfg_annotations.
	* cfgrtl.c (commit_one_edge_insertion): Make global, don't declare.
	(redirect_branch_edge): Deal with super block when expanding, split
	out jump patching itself into ...
	(patch_jump_insn): ... here, new static helper.

2009-04-26  Michael Matz  <matz@suse.de>

	* tree-ssa-copyrename.c (rename_ssa_copies): Don't iterate
	beyond num_ssa_names.
	* tree-ssa-ter.c (free_temp_expr_table): Likewise.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Likewise.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/39543
	* fwprop.c (forward_propagate_asm): New function.
	(forward_propagate_and_simplify): Propagate also into __asm, if it
	doesn't increase the number of referenced registers.

	PR c/39889
	* stmt.c (warn_if_unused_value): Look through NON_LVALUE_EXPR.

2009-04-26  Jakub Jelinek  <jakub@redhat.com>

	* tree-nested.c (get_nonlocal_vla_type): If not optimizing, call
	note_nonlocal_vla_type for nonlocal VLAs.
	(note_nonlocal_vla_type, note_nonlocal_block_vlas,
	contains_remapped_vars, remap_vla_decls): New functions.
	(convert_nonlocal_reference_stmt): If not optimizing, call
	note_nonlocal_block_vlas on GIMPLE_BIND block vars.
	(nesting_copy_decl): Return {VAR,PARM,RESULT}_DECL unmodified
	if it wasn't found in var_map.
	(finalize_nesting_tree_1): Call remap_vla_decls.  If outermost
	GIMPLE_BIND doesn't have gimple_bind_block, chain debug_var_chain
	to BLOCK_VARS (DECL_INITIAL (root->context)) instead of calling
	declare_vars.
	* gimplify.c (nonlocal_vlas): New variable.
	(gimplify_var_or_parm_decl): Add debug VAR_DECLs for non-local
	referenced VLAs.
	(gimplify_body): Create and destroy nonlocal_vlas.

	* dwarf2out.c (loc_descr_plus_const): New function.
	(build_cfa_aligned_loc, tls_mem_loc_descriptor,
	mem_loc_descriptor, loc_descriptor_from_tree_1,
	descr_info_loc, gen_variable_die): Use it.

	* tree.h (DECL_BY_REFERENCE): Note that it is also valid for
	!TREE_STATIC VAR_DECLs.
	* dwarf2out.c (loc_by_reference, gen_decl_die): Handle
	DECL_BY_REFERENCE on !TREE_STATIC VAR_DECLs.
	(gen_variable_die): Likewise.  Don't look at TREE_PRIVATE if
	DECL_BY_REFERENCE is valid.
	* dbxout.c (DECL_ACCESSIBILITY_CHAR): Don't look at TREE_PRIVATE
	for PARM_DECLs, RESULT_DECLs or !TREE_STATIC VAR_DECLs.
	* tree-nested.c (get_nonlocal_debug_decl, get_local_debug_decl):
	Copy DECL_BY_REFERENCE.
	(struct nesting_copy_body_data): New type.
	(nesting_copy_decl): New function.
	(finalize_nesting_tree_1): Remap types of debug_var_chain variables,
	if they have variable length.

2009-04-26  Michael Matz  <matz@suse.de>

	* tree-sra.c (sra_build_assignment): Don't use into_ssa mode,
	mark new temporaries for renaming.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

	PR c/39581
	* c-decl.c (global_bindings_p): Return negative value.
	(c_variable_size): New.  Based on variable_size from
	stor-layout.c.
	(grokdeclarator): Call c_variable_size not variable_size.

2009-04-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (print_operand) ['z']: Fix typo.

2009-04-26  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/mingw-w64.h (STANDARD_INCLUDE_DIR):
	Redefine it to just use mingw/include.
	(ASM_SPEC): Rules for -m32 and -m64.
	(LINK_SPEC): Use Likewise.
	(SPEC_32): New define.
	(SPEC_64): Likewise.
	(SUB_LINK_SPEC): Likewise.
	(MULTILIB_DEFAULTS): New define.
	* config/i386/t-mingw-w64 (MULTILIB_OPTIONS):
	Add multilib options.
	(MULTILIB_DIRNAMES): Likewise.
	(MULTILIB_OSDIRNAMES): Likewise.
	(LIBGCC): Likewise.
	(INSTALL_LIBGCC): Likewise.

2009-04-26  Joseph Myers  <joseph@codesourcery.com>

	PR c/39556
	* c-tree.h (enum c_inline_static_type): New.
	(record_inline_static): Declare.
	* c-decl.c (struct c_inline_static, c_inline_statics,
	record_inline_static, check_inline_statics): New.
	(pop_file_scope): Call check_inline_statics.
	(start_decl): Call record_inline_static instead of pedwarning
	directly for static in inline function.
	* c-typeck.c (build_external_ref): Call record_inline_static
	instead of pedwarning directly for static referenced in inline
	function.

2009-04-26  Steven Bosscher  <steven@gcc.gnu.org>

	* df-scan.c (df_insn_rescan): Salvage insn's LUID if the insn is
	not new but only being rescanned.
	* gcse.c (uid_cuid, max_uid, INSN_CUID, max_cuid, struct reg_set,
	reg_set_table, REG_SET_TABLE_SLOP, reg_set_in_block,
	alloc_reg_set_mem, free_reg_set_mem, record_one_set,
	record_set_info, compute_set, grealloc): Remove.
	(recompute_all_luids): New function.
	(gcse_main): Don't compute sets, and don't do related memory
	allocations/free-ing.  If something changed before the end of the
	pass, update LUIDs using recompute_all_luids.
	(alloc_gcse_mem): Don't compute LUIDs.  Don't allocate reg_set memory.
	(free_gcse_mem): Don't free it either.
	(oprs_unchanged_p, load_killed_in_block, record_last_reg_set_info):
	Use the df insn LUIDs.
	(load_killed_in_block): Likewise.
	(compute_hash_table_work): Don't compute reg_set_in_block.
	(compute_transp): Use DF_REG_DEF_CHAINs.
	(local_cprop_pass): Don't use compute_sets and related functions.
	(one_cprop_pass, pre_gcse, one_pre_gcse_pass, one_code_hoisting_pass):
	Use get_max_uid() instead of max_cuid.
	(insert_insn_end_basic_block, pre_insert_copy_insn,
	update_ld_motion_stores): Don't try to
	keep reg_set tables up to date.
	(pre_insert_copies): Use df insn LUIDs.
	(sbitmap pre_redundant_insns): Replace with uses of INSN_DELETED_P.
	(reg_set_info): Don't use extra bitmap argument.
	(compute_store_table): Don't compute reg_set_in_block.  Use DF scan
	information to compute regs_set_in_block.
	(free_store_memory, store_motion): Don't nullify reg_set_in_block.
	(bypass_jumps): Don't use compute_sets and friends.

2009-04-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR testsuite/39710
	* opts.c (undocumented_msg): Do not leave blank even with
	ENABLE_CHECKING.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (build_enumerator): Allow values folding to integer
	constants but not integer constant expressions with a pedwarn if
	pedantic.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

	PR c/39582
	* c-typeck.c (c_expr_sizeof_type): Create a C_MAYBE_CONST_EXPR
	with non-null C_MAYBE_CONST_EXPR_PRE if size of a variable-length
	type is an integer constant.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39897
	* config/i386/i386.c (print_operand) ['z']: Revert handling of
	HImode operands.

2009-04-25  Joseph Myers  <joseph@codesourcery.com>

	PR c/39564
	* c-decl.c (grokdeclarator): Diagnose declarations of functions
	with variably modified return type and no storage class
	specifiers, except for the case of nested functions.  Distinguish
	extern declarations of functions with variably modified return
	types from those of objects with variably modified types.

2009-04-25  Jan Hubicka  <jh@suse.cz>

	* tree.c (list_equal_p): New function.
	* tree.h (list_equal_p): Declare.
	* coretypes.h (edge_def, edge, const_edge, basic_block_def
	basic_block_def, basic_block, const_basic_block): New.
	* tree-eh.c (make_eh_edge): EH edges are not abnormal.
	(redirect_eh_edge): New function.
	(make_eh_edge_update_phi): EH edges are not abnormal.
	* except.c: Include tree-flow.h.
	(list_match): New function.
	(eh_region_replaceable_by_p): New function.
	(replace_region): New function.
	(hash_type_list): New function.
	(hash_eh_region): New function.
	(eh_regions_equal_p): New function.
	(merge_peers): New function.
	(remove_unreachable_regions): Verify EH tree when checking;
	merge peers.
	(copy_eh_region_1): New function.
	(copy_eh_region): New function.
	(push_reachable_handler): New function.
	(build_post_landing_pads, dw2_build_landing_pads): Be ready for
	regions without label but with live RESX.
	* except.h (redirect_eh_edge_to_label): New.
	* tree-flow.h (redirect_eh_edge): New.
	* coretypes.h (edge_def, edge, const_edge, basic_block_def
	basic_block_def, basic_block, const_basic_block): Remove.
	* Makefile.in (except.o): Add dependency on tree-flow.h
	* tree-cfg.c (gimple_redirect_edge_and_branch): Handle EH edges.
	* basic-block.h (edge, const_edge, basic_block, const_basic_block):
	Remove.

2009-04-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR bootstrap/39645
	* config/sparc/sparc.c (sparc_gimplify_va_arg): Set TREE_ADDRESSABLE
	on the destination of memcpy.

2009-04-25  Paolo Bonzini  <bonzini@gnu.org>

	* doc/tm.texi (REGNO_OK_FOR_BASE_P, REGNO_MODE_OK_FOR_BASE_P,
	REGNO_MODE_OK_FOR_REG_BASE_P, REGNO_MODE_CODE_OK_FOR_BASE_P,
	REGNO_OK_FOR_INDEX_P): Mention strict/nonstrict difference.

2009-04-25  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (tree_remove_unreachable_handlers): Handle shared labels.
	(tree_empty_eh_handler_p): Allow non-EH predecestors; allow region
	to be reached by different label than left.
	(update_eh_edges): Update comment; remove edge_to_remove if possible
	and return true if suceeded.
	(cleanup_empty_eh): Accept sharing map; handle shared regions.
	(cleanup_eh): Compute sharing map.
	* except.c (remove_eh_handler_and_replace): Add argument if we should
	update regions.
	(remove_unreachable_regions): Update for label sharing.
	(label_to_region_map): Likewise.
	(get_next_region_sharing_label): New function.
	(remove_eh_handler_and_replace): Add update_catch_try parameter; update
	prev_try pointers.
	(remove_eh_handler): Update.
	(remove_eh_region_and_replace_by_outer_of): New function.
	* except.h (struct eh_region): Add next_region_sharing_label.
	(remove_eh_region_and_replace_by_outer_of,
	get_next_region_sharing_label): Declare.
	* tree-cfgcleanup.c (tree_forwarder_block_p): Simplify.

2009-04-25  Jan Hubicka  <jh@suse.cz>

	* tree-cfg.c (split_critical_edges): Split also edges where we can't
	insert code even if they are not critical.

2009-04-25  Jan Hubicka  <jh@suse.cz>

	* tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
	(gimple_can_remove_branch_p): EH edges won't remove branch by
	redirection.
	* tree-inline.c (update_ssa_across_abnormal_edges): Do handle
	updating of non-abnormal EH edges.
	* tree-cfg.c (gimple_can_merge_blocks_p): EH edges are unmergable.
	(gimple_can_remove_branch_p): EH edges are unremovable by redirection.
	(split_critical_edges): Split also edges where emitting code on them
	will lead to splitting later.

2009-04-25  Uros Bizjak  <ubizjak@gmail.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39590
	* configure.ac (HAVE_AS_IX86_FILDQ): On x86 targets check whether
	the configured assembler supports fildq and fistpq mnemonics.
	(HAVE_AS_IX86_FILDS): Rename from HAVE_GAS_FILDS_FISTS.
	* configure: Regenerated.
	* config.in: Ditto.

	* config/i386/i386.c (print_operand): Handle 'Z'.
	['z']: Remove handling of special fild/fist suffixes.
	(output_fix_trunc): Use '%Z' to output suffix of fist{,p,tp} insn.
	* config/i386/i386.md (*floathi<mode>2_i387): Use '%Z' to output
	suffix of fild insn.
	(*floatsi<mode>2_vector_mixed): Ditto.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_interunit): Ditto.
	(*float<SSEMODEI24:mode><MODEF:mode>2_mixed_nointerunit): Ditto.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp): Ditto.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_i387): Ditto.
	* config/i386/gas.h (GAS_MNEMONICS): Remove.

2009-04-25  Ben Elliston  <bje@au.ibm.com>

	* genrecog.c (validate_pattern): Do not warn for VOIDmode CALLs as
	the source of a set operation.

2009-04-25  Anatoly Sokolov  <aesok@post.ru>

	* target.h (struct gcc_target): Add case_values_threshold field.
	* target-def.h (TARGET_CASE_VALUES_THRESHOLD): New.
	(TARGET_INITIALIZER): Use TARGET_CASE_VALUES_THRESHOLD.
	* targhooks.c (default_case_values_threshold): New function.
	* targhooks.h (default_case_values_threshold): Declare function.
	* stmt.c (expand_case): Use case_values_threshold target hook.
	* expr.h (case_values_threshold): Remove declartation.
	* expr.c (case_values_threshold): Remove function.
	* doc/tm.texi (CASE_VALUES_THRESHOLD): Revise documentation.

	* config/avr/avr.h (CASE_VALUES_THRESHOLD): Remove macro.
	* config/avr/avr.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
	(avr_case_values_threshold): Declare as static.
	* config/avr/avr-protos.h (avr_case_values_threshold): Remove.

	* config/avr/mn10300.h (CASE_VALUES_THRESHOLD): Remove macro.
	* config/avr/mn10300.c (TARGET_CASE_VALUES_THRESHOLD): Define macro.
	(mn10300_case_values_threshold): New function.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

	* ira.c (setup_cover_and_important_classes): Add enum cast.

2009-04-24  Vladimir Makarov  <vmakarov@redhat.com>

	* genpreds.c (write_enum_constraint_num): Output definition of
	CONSTRAINT_NUM_DEFINED_P macro.
	* ira.c (setup_cover_and_important_classes): Use
	CONSTRAINT_NUM_DEFINED_P instead of CONSTRAINT__LIMIT in #ifdef.

2009-04-24  DJ Delorie  <dj@redhat.com>

	* config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Test
	__SH2A_SINGLE_ONLY__ also.

2009-04-24  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.md (movfs_internal): Allow flt constants.
	(movdf_internal): Ditto.
	* config/ia64/ia64.c (ia64_legitimate_constant_p): Allow
	SFmode and DFmode constants.
	(ia64_print_operand): Add 'G' format for printing
	floating point constants.

2009-04-24  Richard Guenther  <rguenther@suse.de>

	* tree-vrp.c (extract_range_from_binary_expr): Handle overflow
	from unsigned additions.

2009-04-24  Joseph Myers  <joseph@codesourcery.com>

	* c-typeck.c (set_init_index): Allow array designators that are
	not integer constant expressions with a pedwarn if pedantic.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

	* simplify-rtx.c (simplify_binary_operation_1, case AND): Result is
	zero if no overlap in nonzero bits between the operands.

2009-04-24  Ian Lance Taylor  <iant@google.com>

	* combine.c (record_value_for_reg): Change 0 to VOIDmode, twice.
	(record_dead_and_set_regs): Likewise.
	* df.h (struct df_mw_hardreg): Change flags field to int.
	(struct df_base_ref): Likewise.
	(struct df): Change changeable_flags field to int.
	* df-scan.c (df_defs_record): Change clobber_flags to int.
	* dwarf2.h (enum dwarf_tag): Make lo_user and hi_user values enum
	constants rather than #define macros.
	(enum dwarf_attribute, enum dwarf_location_atom): Likewise.
	(enum dwarf_type, enum dwarf_endianity_encoding): Likewise.
	(enum dwarf_calling_convention): Likewise.
	(enum dwarf_line_number_x_ops): Likewise.
	(enum dwarf_call_frame_info): Likewise.
	(enum dwarf_source_language): Likewise.
	* dwarf2out.c (int_loc_descriptor): Add cast to enum type.
	(add_calling_convention_attribute): Likewise.
	* fold-const.c (fold_undefer_overflow_warnings): Add cast to enum type.
	(combine_comparisons): Change compcode to int.  Add cast to enum type.
	* genrecog.c (maybe_both_true_2): Change c to int.
	(write_switch): Likewise.  Add cast to enum type.
	* gimplify.c (gimplify_omp_for): Handle return values from
	gimplify_expr using MIN rather than bitwise or.
	(gimplify_expr): Add cast to enum type.
	* ipa-prop.c (update_jump_functions_after_inlining): Change
	IPA_BOTTOM to IPA_JF_UNKNOWN.
	* ira.c (setup_class_subset_and_memory_move_costs): Change mode to int.
	Add casts to enum type.
	(setup_cover_and_important_classes): Change cl to int.  Add casts
	to enum type.
	(setup_class_translate): Change cl and mode to int.
	(ira_init_once): Change mode to int.
	(free_register_move_costs): Likewise.
	(setup_prohibited_mode_move_regs): Add casts to enum type.
	* langhooks.c (add_builtin_function_common): Rework assertion that
	value fits bitfield.
	* mcf.c (add_fixup_edge): Change type parameter to edge_type.
	* omega.c (omega_do_elimination): Avoid math on enum types.
	* optabs.c (expand_vec_shift_expr): Remove casts to int.
	* opts.c (set_debug_level): Change 2 to enum constant.  Use new
	int local to handle integral_argment value.
	* regmove.c (try_auto_increment): Change PUT_MODE to
	PUT_REG_NOTE_KIND.
	* reload.c (push_secondary_reload): Add casts to enum type.
	(secondary_reload_class, find_valid_class): Likewise.
	* reload1.c (emit_input_reload_insns): Likewise.
	* rtl.h (NOTE_VAR_LOCATION_STATUS): Likewise.
	* sel-sched.c (init_hard_regs_data): Change cur_mode to int.
	* sel-sched-ir.c (hash_with_unspec_callback): Change 0 to enum
	constant.
	* tree.c (build_common_builtin_nodes): Add casts to enum type.
	* tree-complex.c (complex_lattice_t): Typedef to int rather than
	enum type.
	(expand_complex_libcall): Add casts to enum type.
	* tree-into-ssa.c (get_ssa_name_ann): Change 0 to enum constant.
	* tree-vect-loop.c (vect_model_reduction_cost): Compare reduc_code
	with ERROR_MARK, not NUM_TREE_CODES.
	(vect_create_epilog_for_reduction): Likewise.
	(vectorizable_reduction): Don't initialize epiloc_reduc_code.
	When not using it, set it to ERROR_MARK rather than NUM_TREE_CODES.
	* tree-vect-patterns.c (vect_pattern_recog_1): Change vec_mode to
	enum machine_mode.
	* tree-vect-stmts.c (new_stmt_vec_info): Change 0 to
	vect_unused_in_loop.  Change 0 to loop_vect.
	* tree-vectorizer.c (vect_set_verbosity_level): Add casts to enum type.
	* var-tracking.c (get_init_value): Change return type to enum
	var_init_status.
	* vec.h (DEF_VEC_FUNC_P) [iterate]: Cast 0 to type T.
	* config/arm/arm.c (fp_model_for_fpu): Change to array to enum
	arm_fp_model.
	(arm_override_options): Add casts to enum type.
	(arm_emit_tls_decoration): Likewise.
	* config/i386/i386.c (ix86_function_specific_restore): Add casts
	to enum type.
	* config/i386/i386-c.c (ix86_pragma_target_parse): Likewise.
	* config/ia64/ia64.c (ia64_expand_compare): Change magic to int.
	* config/rs6000/rs6000.c (rs6000_override_options): Add casts to
	enum type.
	* config/s390/s390.c (code_for_builtin_64): Change to array of
	enum insn_code.
	(code_for_builtin_31): Likewise.
	(s390_expand_builtin): Change code_for_builtin to enum insn_code
	const *.
	* config/sparc/sparc.c (sparc_override_options): Change value
	field in struct code_model to enum cmodel.  In initializer change
	0 to NULL and add cast to enum type.

	* c-typeck.c (build_modify_expr): Add lhs_origtype parameter.
	Change all callers.  Issue a -Wc++-compat warning using
	lhs_origtype if necessary.
	(convert_for_assignment): Issue -Wc++-compat warnings about
	invalid conversions to enum type on assignment.
	* c-common.h (build_modify_expr): Update declaration.

2009-04-24  Nick Clifton  <nickc@redhat.com>

	* config/iq2000/iq2000.c (function_arg): Handle TImode values.
	(function_arg_advance): Likewise.
	* config/iq2000/iq2000.md (movsi_internal2): Fix the length of the
	5th alternative.

2009-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/constraints.md ('I', 'J'): Fix condition.

2009-04-24  Diego Novillo  <dnovillo@google.com>

	* gengtype-parse.c (parse_error): Add newline after message.

2009-04-24  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (avxmodesuffixs): Removed.
	(*avx_pinsr<avxmodesuffixs>): Renamed to ...
	(*avx_pinsr<ssevecsize>): This.

2009-04-24  Bernd Schmidt  <bernd.schmidt@analog.com>

	* loop-iv.c (replace_single_def_regs): Look for REG_EQUAL notes;
	follow chains of regs with a single definition, and allow expressions
	that are function_invariant_p.
	(simple_rhs_p): Allow expressions that are function_invariant_p.

2009-04-24  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/39867
	* fold-const.c (fold_cond_expr_with_comparison): When folding
	> and >= to MAX, make sure the MAX uses the same type as the
	comparison's operands.

2009-04-24  Nick Clifton  <nickc@redhat.com>

	* config/frv/frv.c (frv_frame_access): Do not use reg+reg
	addressing for DImode accesses.
	(frv_print_operand_address): Handle PLUS case.
	* config/frv/frv.h (FIXED_REGISTERS): Mark link register as fixed.

2009-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/39794
	* alias.c (canon_true_dependence): Add x_addr argument.
	* rtl.h (canon_true_dependence): Adjust prototype.
	* cse.c (check_dependence): Adjust canon_true_dependence callers.
	* cselib.c (cselib_invalidate_mem): Likewise.
	* gcse.c (compute_transp): Likewise.
	* dse.c (scan_reads_nospill): Likewise.
	(record_store, check_mem_read_rtx): Likewise.  For non-const-or-frame
	addresses pass base->val_rtx as mem_addr, for const-or-frame addresses
	canon_base_addr of the group, plus optional offset.
	(struct group_info): Rename canon_base_mem to
	canon_base_addr.
	(get_group_info): Set canon_base_addr to canon_rtx of base, not
	canon_rtx of base_mem.

2009-04-23  Paolo Bonzini  <bonzini@gnu.org>

	* config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
	Use memory_address_p instead of GO_IF_LEGITIMATE_ADDRESS.

2009-04-23  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-builtins.h: Delete file.

	* config/spu/spu.h (enum spu_builtin_type): Move here from
	spu-builtins.h.
	(struct spu_builtin_description): Likewise.  Add GTY marker.
	Do not use enum spu_function_code or enum insn_code.
	(spu_builtins): Add extern declaration.

	* config/spu/spu.c: Do not include "spu-builtins.h".
	(enum spu_function_code, enum spu_builtin_type_index,
	V16QI_type_node, V8HI_type_node, V4SI_type_node, V2DI_type_node,
	V4SF_type_node, V2DF_type_node, unsigned_V16QI_type_node,
	unsigned_V8HI_type_node, unsigned_V4SI_type_node,
	unsigned_V2DI_type_node): Move here from spu-builtins.h.
	(spu_builtin_types): Make static.  Add GTY marker.
	(spu_builtins): Add extern declaration with GTY marker.
	Include "gt-spu.h".

	* config/spu/spu-c.c: Do not include "spu-builtins.h".
	(spu_resolve_overloaded_builtin): Do not use spu_function_code.
	Check programmatically whether all parameters are scalar.

	* config/spu/t-spu-elf (spu.o, spu-c.o): Update dependencies.

2009-04-23  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_modify_expr_rhs) <VAR_DECL>: Do not do a direct
	assignment from the constructor either if the target is volatile.

2009-04-23  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/arm/arm.md (insv): Do not share operands[0].

2009-04-23  Nathan Sidwell  <nathan@codesourcery.com>

	* config/vxlib-tls.c (active_tls_threads): Delete.
	(delete_hook_installed): New.
	(tls_delete_hook): Don't delete the delete hook.
	(tls_destructor): Delete it here.
	(__gthread_set_specific): Adjust installing the delete hook.
	(tls_delete_hook): Use __gthread_enter_tsd_dtor_context and
	__gthread_leave_tsd_dtor_context.

2009-04-23  Rafael Avila de Espindola  <espindola@google.com>

	* c-format.c (gcc_tdiag_char_table): Add support for %E.

2009-04-23  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_legitimize_reload_address): Add cast to
	enum type.
	(alpha_rtx_costs): Ditto.
	(emit_unlikely_jump): Use add_reg_note.
	(emit_frame_store_1): Ditto.
	(alpha_expand_prologue): Ditto.
	(alpha_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
	* config/alpha/alpha.c (Unicos/Mk address splitter): Use add_reg_note.

2009-04-23  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.md (epilogue): Remove suppressed code.
	(return): Rename to return_simple and remove test of frame size.
	* config/v850/v850.c (expand_epilogue): Rename call to gen_return
	to gen_return_simple.

2009-04-22  Jing Yu  <jingyu@google.com>

	PR testsuite/39781
	* config/arm/arm.h: Define HANDLE_PRAGMA_PACK_PUSH_POP.

2009-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR C/31499
	* c-typeck.c (process_init_element): Treat VECTOR_TYPE like ARRAY_TYPE
	and RECORD_TYPE/UNION_TYPE.  When outputing the actual element and the
	value is a VECTOR_CST, the element type is the element type of the
	vector.

2009-04-22  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h: Update GTY annotations to new syntax.

2009-04-22  Jakub Jelinek  <jakub@redhat.com>

	* alias.c (find_base_term): Move around LO_SUM case, so that
	CONST falls through into PLUS/MINUS handling.

	PR c/39855
	* fold-const.c (fold_binary) <case LSHIFT_EXPR>: When optimizing
	into 0, use omit_one_operand.

2009-04-23  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/linux-unwind.h (get_regs): Remove type
	puns. Change the type of `pc' to an array of unsigned ints and
	update all users.  Constify frame24.

2009-04-22  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_special_page_vector_p): Move
	declarations before code.
	(current_function_special_page_vector): Likewise.
	(m32c_expand_insv): Silence a warning.

2009-04-21  Taras Glek  <tglek@mozilla.com>

	* alias.c: Update GTY annotations to new syntax.
	* basic-block.h: Likewise.
	* bitmap.h: Likewise.
	* c-common.h: Likewise.
	* c-decl.c: Likewise.
	* c-parser.c: Likewise.
	* c-pragma.c: Likewise.
	* c-tree.h: Likewise.
	* cfgloop.h: Likewise.
	* cgraph.h: Likewise.
	* config/alpha/alpha.c: Likewise.
	* config/arm/arm.h: Likewise.
	* config/avr/avr.h: Likewise.
	* config/bfin/bfin.c: Likewise.
	* config/cris/cris.c: Likewise.
	* config/darwin.c: Likewise.
	* config/frv/frv.c: Likewise.
	* config/i386/i386.c: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/winnt.c: Likewise.
	* config/ia64/ia64.h: Likewise.
	* config/iq2000/iq2000.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/mmix/mmix.h: Likewise.
	* config/pa/pa.c: Likewise.
	* config/pa/pa.h: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/s390/s390.c: Likewise.
	* config/sparc/sparc.c: Likewise.
	* config/xtensa/xtensa.c: Likewise.
	* cselib.h: Likewise.
	* dbxout.c: Likewise.
	* dwarf2out.c: Likewise.
	* except.c: Likewise.
	* except.h: Likewise.
	* fixed-value.h: Likewise.
	* function.c: Likewise.
	* function.h: Likewise.
	* gimple.h: Likewise.
	* integrate.c: Likewise.
	* optabs.c: Likewise.
	* output.h: Likewise.
	* real.h: Likewise.
	* rtl.h: Likewise.
	* stringpool.c: Likewise.
	* tree-data-ref.c: Likewise.
	* tree-flow.h: Likewise.
	* tree-scalar-evolution.c: Likewise.
	* tree-ssa-address.c: Likewise.
	* tree-ssa-alias.h: Likewise.
	* tree-ssa-operands.h: Likewise.
	* tree.c: Likewise.
	* tree.h: Likewise.
	* varasm.c: Likewise.
	* varray.h: Likewise.
	* vec.h: Likewise.
	* coretypes.h: Do not define GTY macro if it is already defined.
	* doc/gty.texi: Update GTY documentation to new syntax.
	* gengtype-lex.l: Enforce attribute-like syntax for GTY
	annotations on structs.
	* gengtype-parse.c: Likewise.

2009-04-22  Mark Heffernan  <meheff@google.com>

	* gcc.c (LINK_COMMAND_SPEC): Link with gcov with -fprofile-generate=.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

	* config/arm/arm.c (arm_rtx_costs_1): Use power_of_two_operand
	where appropriate.

2009-04-22  Kazu Hirata  <kazu@codesourcery.com>

	* config/arm/arm.c (arm_size_rtx_costs): Treat a PLUS with a shift
	the same as a PLUS without a shift.  Increase the cost of a
	CONST_INT in MULT.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* Makefile.in: Update dependencies.
	* errors.c (warning): Remove unused parameter 'opt'. Returns 'void'.
	* errors.h: Remove bogus comment about compatibility.
	(warning): Update declaration.
	* genautomata.c: Update all calls to warning.
	* gimple.c: Do not include errors.h. Include toplev.h.
	* tree-ssa-structalias.c: Do not include errors.h.
	* omega.c: Likewise.
	* tree-ssa-reassoc.c: Likewise.
	* config/spu/spu-c.c: Likewise.
	* config/spu/t-spu-elf: Update dependencies.

2009-04-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39824
	* tree-ssa-ccp.c (fold_const_aggregate_ref): For INDIRECT_REFs
	make sure the types are compatible.

2009-04-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/14875
	* c-common.c (c_parse_error): Take a token_flags parameter.
	Use token_type for the token type instead.
	Pass token_flags to cpp_type2name.
	* c-common.h (c_parse_error): Update declaration.
	* c-parser.c (c_parser_error): Pass 0 as token flags.

2009-04-22  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/39580
	* sel-sched-ir.c (insert_in_history_vect): Remove incorrect gcc_assert.

2009-04-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* function.c (expand_function_end): Do not emit a jump to the "naked"
	return label for fall-through returns.
	* except.c (sjlj_emit_function_exit): Always place the call to the
	unregister function at the location installed by expand_function_end.

2009-04-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39845
	* tree-switch-conversion.c (build_arrays): Add new referenced vars.
	(gen_inbound_check): Likewise.

2009-04-22  Nathan Sidwell  <nathan@codesourcery.com>

	* gthr-vxworks.h (struct __gthread_once_t): Add alignment and
	padding for PPC.
	(__GTHREAD_ONCE_INIT): Adjust ppc initializer.
	* config/vxlib.c (__gthread_once): Add race guard for PPC.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

	* config/sh/sh.c (shift_insns_rtx, shiftcosts, gen_shifty_op,
	sh_dynamicalize_shift_p, shl_and_scr_length): Truncate
	shift counts to avoid out-of-bounds array accesses.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

	* config/sparc/sparc.h (POINTER_SIZE): Fix comment.
	(Pmode): Move above.

2009-04-22  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c: Use REG_P, MEM_P, CONST_INT_P, JUMP_P,
	NONJUMP_INSN_P, CALL_P, LABEL_P and NOTE_P predicates instead of
	GET_CODE macro.  Use IN_RANGE macro where appropriate.
	* config/alpha/alpha.h: Ditto.
	* config/alpha/alpha.md: Ditto.
	* config/alpha/constraints.md: Ditto.
	* config/alpha/predicates.md: Ditto.

2009-04-22  Paolo Bonzini  <bonzini@gnu.org>

	* defaults.h (GO_IF_MODE_DEPENDENT_ADDRESS): Provide empty default.
	* config/frv/frv.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/s390/s390.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/spu/spu.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/crx/crx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/fr30/fr30.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/iq2000/iq2000.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/picochip/picochip.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/score/score.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/arm/arm.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/mips/mips.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/v850/v850.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/mmix/mmix.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
	* config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete.

2009-04-22  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	* cfghooks.c (tidy_fallthru_edges): Remove find_basic_blocks
	references from comments.
	* cfgbuild.c: (count_basic_blocks): Delete.
	(find_basic_blocks_1): Delete.
	(find_basic_blocks): Delete.
	* except.c (finish_eh_generation): Make static.  Move comment from
	except.h here.  Remove find_basic_blocks references from comments.
	* except.h (finish_eh_generation): Delete.
	* basic-block.h (find_basic_blocks): Delete.
	* config/sh/sh.c (sh_output_mi_thunk): Delete a "#if 0" block.

2009-04-22  Dave Korn  <dave.korn.cygwin@gmail.com>

	* sdbout.c (sdbout_symbol):  Pass VOIDmode to eliminate_regs.
	(sdbout_parms):  Likewise.

2009-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (prepare_cbranch_operands): Use
	LAST_AND_UNUSED_RTX_CODE instead of CODE_FOR_nothing.
	(expand_cbranchdi4): Likewise.
	(from_compare): Add cast to enum type.
	(expand_cbranchsi4): Use add_reg_note.
	(output_stack_adjust, push, pop, sh_expand_prologue): Likewise.
	(sh_insn_length_adjustment): Use sh_cpu_attr instead of sh_cpu.
	(sh_initialize_trampoline): Change 0 to LCT_NORMAL in function call.
	(sh_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
	* config/sh/sh.md (cbranchsi4): Use LAST_AND_UNUSED_RTX_CODE
	instead of CODE_FOR_nothing.
	(cbranchdi4): Likewise.  Fix the order of arguments for
	gen_rtx_fmt_ee.
	(push_fpscr): Use add_reg_note.
	(pop_fpscr, movdf_i4+1, reload_outdf__RnFRm+3, reload_outdf__RnFRm+4,
	reload_outdf__RnFRm+5, fpu_switch+1, fpu_switch+2): Likewise.

2009-04-21  Joseph Myers  <joseph@codesourcery.com>

	* ABOUT-GCC-NLS, ChangeLog, ChangeLog-1997, ChangeLog-1998,
	ChangeLog-1999, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
	ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
	ChangeLog-2007, ChangeLog-2008, ChangeLog.dataflow, ChangeLog.lib,
	ChangeLog.ptr, ChangeLog.tree-ssa, ChangeLog.tuples, FSFChangeLog,
	FSFChangeLog.10, FSFChangeLog.11, LANGUAGES, ONEWS, acinclude.m4,
	config/alpha/gnu.h, config/alpha/libgcc-alpha-ldbl.ver,
	config/alpha/t-osf4, config/alpha/t-vms, config/alpha/va_list.h,
	config/alpha/x-vms, config/arc/t-arc,
	config/arm/README-interworking, config/arm/arm-c.c,
	config/arm/gentune.sh, config/arm/libgcc-bpabi.ver,
	config/arm/t-arm, config/arm/t-arm-elf, config/arm/t-arm-softfp,
	config/arm/t-bpabi, config/arm/t-linux, config/arm/t-linux-eabi,
	config/arm/t-netbsd, config/arm/t-pe, config/arm/t-strongarm-elf,
	config/arm/t-symbian, config/arm/t-vxworks, config/arm/t-wince-pe,
	config/avr/t-avr, config/bfin/elf.h, config/bfin/libgcc-bfin.ver,
	config/bfin/linux.h, config/bfin/t-bfin, config/bfin/t-bfin-elf,
	config/bfin/t-bfin-linux, config/bfin/t-bfin-uclinux,
	config/bfin/uclinux.h, config/cris/mulsi3.asm, config/cris/t-cris,
	config/cris/t-elfmulti, config/crx/t-crx,
	config/darwin-ppc-ldouble-patch.def, config/darwin-sections.def,
	config/divmod.c, config/fr30/t-fr30, config/frv/libgcc-frv.ver,
	config/frv/t-frv, config/frv/t-linux, config/h8300/genmova.sh,
	config/h8300/t-h8300, config/i386/athlon.md,
	config/i386/darwin-libgcc.10.4.ver,
	config/i386/darwin-libgcc.10.5.ver, config/i386/libgcc-glibc.ver,
	config/i386/mach.h, config/i386/netbsd.h, config/i386/t-crtpc,
	config/i386/t-cygming, config/i386/t-cygwin, config/i386/t-i386,
	config/i386/t-linux64, config/i386/t-nwld,
	config/i386/t-rtems-i386, config/i386/t-sol2-10,
	config/i386/x-mingw32, config/ia64/div.md, config/ia64/elf.h,
	config/ia64/ia64.opt, config/ia64/libgcc-glibc.ver,
	config/ia64/libgcc-ia64.ver, config/ia64/linux.h,
	config/ia64/sysv4.h, config/ia64/t-hpux, config/ia64/t-ia64,
	config/iq2000/abi, config/iq2000/lib2extra-funcs.c,
	config/iq2000/t-iq2000, config/libgcc-glibc.ver,
	config/m32r/libgcc-glibc.ver, config/m32r/t-linux,
	config/m32r/t-m32r, config/m68hc11/t-m68hc11,
	config/m68k/t-floatlib, config/m68k/t-linux, config/m68k/t-mlibs,
	config/m68k/t-uclinux, config/mcore/t-mcore,
	config/mcore/t-mcore-pe, config/mips/20kc.md, config/mips/4130.md,
	config/mips/5400.md, config/mips/5500.md, config/mips/crti.asm,
	config/mips/crtn.asm, config/mips/irix-crti.asm,
	config/mips/irix-crtn.asm, config/mips/libgcc-mips16.ver,
	config/mips/mips-dsp.md, config/mips/mips-dspr2.md,
	config/mips/mips-fixed.md, config/mips/sb1.md,
	config/mips/sr71k.md, config/mips/t-elf, config/mips/t-gofast,
	config/mips/t-iris6, config/mips/t-isa3264,
	config/mips/t-libgcc-mips16, config/mips/t-linux64,
	config/mips/t-mips, config/mips/t-r3900, config/mips/t-rtems,
	config/mips/t-sb1, config/mips/t-sde, config/mips/t-sdemtk,
	config/mips/t-slibgcc-irix, config/mips/t-sr71k, config/mips/t-st,
	config/mips/t-vr, config/mips/t-vxworks, config/mmix/t-mmix,
	config/mn10300/t-linux, config/mn10300/t-mn10300,
	config/pa/pa32-regs.h, config/pa/t-hpux-shlib, config/pa/t-linux,
	config/pa/t-linux64, config/pa/t-pa64, config/pdp11/t-pdp11,
	config/picochip/libgccExtras/clzsi2.asm,
	config/picochip/t-picochip, config/rs6000/darwin-ldouble-format,
	config/rs6000/darwin-libgcc.10.4.ver,
	config/rs6000/darwin-libgcc.10.5.ver,
	config/rs6000/libgcc-ppc-glibc.ver, config/rs6000/ppc-asm.h,
	config/rs6000/t-aix43, config/rs6000/t-aix52,
	config/rs6000/t-darwin, config/rs6000/t-fprules,
	config/rs6000/t-fprules-fpbit, config/rs6000/t-linux64,
	config/rs6000/t-lynx, config/rs6000/t-netbsd,
	config/rs6000/t-ppccomm, config/rs6000/t-ppcendian,
	config/rs6000/t-ppcgas, config/rs6000/t-rs6000,
	config/rs6000/t-rtems, config/rs6000/t-spe,
	config/rs6000/t-vxworks, config/s390/libgcc-glibc.ver,
	config/score/t-score-elf, config/sh/divcost-analysis,
	config/sh/libgcc-glibc.ver, config/sh/t-netbsd, config/sh/t-sh,
	config/sh/t-sh64, config/sh/t-superh, config/sh/t-symbian,
	config/sparc/libgcc-sparc-glibc.ver, config/sparc/sol2-bi.h,
	config/sparc/sol2-gas.h, config/sparc/sol2-gld-bi.h,
	config/sparc/t-elf, config/sparc/t-linux64, config/sparc/t-sol2,
	config/stormy16/stormy-abi, config/stormy16/t-stormy16,
	config/t-darwin, config/t-libunwind, config/t-libunwind-elf,
	config/t-linux, config/t-lynx, config/t-slibgcc-elf-ver,
	config/t-slibgcc-sld, config/t-sol2, config/t-vxworks,
	config/udivmod.c, config/udivmodsi4.c, config/v850/t-v850,
	config/v850/t-v850e, config/xtensa/t-xtensa, diagnostic.def,
	gdbinit.in, glimits.h, gstab.h, gsyms.h, java/ChangeLog,
	java/ChangeLog.ptr, java/ChangeLog.tree-ssa, libgcc-std.ver,
	limitx.h, version.c, xcoff.h: Add copyright and license notices.
	* config/h8300/genmova.sh: Include copyright and license notices
	in generated output.
	* config/h8300/mova.md: Regenerate.
	* doc/install.texi2html: Include word "Copyright" in copyright
	notice and use name "Free Software Foundation, Inc.".
	* ChangeLog, ChangeLog-2000, ChangeLog-2001, ChangeLog-2002,
	ChangeLog-2003, ChangeLog-2004, ChangeLog-2005, ChangeLog-2006,
	ChangeLog-2007, ChangeLog-2008: Correct dates.

2009-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* c-common.c (c_common_truthvalue_conversion): Use LOCATION to build
	NE_EXPR operations as well.
	* c-parser.c (c_parser_condition): Do not set location information on
	the condition.
	(c_parser_conditional_expression): Likewise.
	(c_parser_binary_expression): Set location information on operators.
	* c-typeck.c (build_unary_op) <TRUTH_NOT_EXPR>: Reset the location if
	TRUTH_NOT_EXPR has been folded.
	* fold-const.c (fold_truth_not_expr): Copy location information from
	the incoming expression to the outgoing one.
	* gimplify.c (shortcut_cond_r): Add locus parameter.  Pass it to
	recursive calls on the LHS of the operator but pass that of the
	operator to recursive calls on the RHS of the operator.  Set it
	on the COND_EXPR.
	(shortcut_cond_expr): Set the locus of the operator on the second
	COND_EXPR and that of the expression on the first in degenerate cases.
	Pass the locus of the expression to calls to shortcut_cond_r.
	Set the locus of the 'then' block on the associated jump, if any.
	(gimplify_boolean_expr): Add locus parameter.  Set it on the COND_EXPR.
	(gimplify_expr) <TRUTH_ANDIF_EXPR>: Pass the locus of the outer
	expression to call to gimplify_boolean_expr.

2009-04-21  Kai Tietz  <kai.tietz@onevision.com>

	* config.gcc: Add additional configuration for
	i686-w64-mingw* and x86_64-w64-mingw* triplet.
	* config/i386/mingw-w64.h: New mingw-w64 specific header.
	(CPP_SPEC): Redefine for allowing -municode option.
	(STARTFILE_SPEC): Likewise.
	* config/i386/t-mingw-w64: New.
	* config/i386/mingw-w64.opt: New.
	(municode): Add new target option.
	* doc/invoke.texi (municode): Add documentation for new option.

2009-04-21  Ian Lance Taylor  <iant@google.com>

	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Correct test for number of arguments.
	* config/spu/spu-c.c (spu_resolve_overloaded_builtin): Likewise.

2009-04-21  Andreas Schwab  <schwab@linux-m68k.org>

	* config/m68k/linux.h (FINALIZE_TRAMPOLINE): Use enum for second
	argument of emit_library_call.

2009-04-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39829
	* gimple.c (walk_stmt_load_store_addr_ops): Catch addresses
	inside VIEW_CONVERT_EXPRs.

2009-04-21  Martin Jambor  <mjambor@suse.cz>

	* tree-switch-conversion.c (build_constructors): Split a long line.
	(constructor_contains_same_values_p): New function.
	(build_one_array): Create assigns of constants if possible, do not
	call mark_sym_for_renaming, call update_stmt.
	(build_arrays): Call make_ssa_name (create_tmp_var ()) instead of
	make_rename_temp.  Do not call mark_symbols_for_renaming, call
	update_stmt.
	(gen_def_assigns): Do not call mark_symbols_for_renaming or
	find_new_referenced_vars, call update_stmt.
	(gen_inbound_check): Use create_tmp_var and create ssa names manually
	instead of calling make_rename_temp.  Do not call
	find_new_referenced_vars or mark_symbols_for_renaming, call
	update_stmt.

2009-04-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39827
	* tree-ssa-phiprop.c (propagate_with_phi): Check SSA_NAME is in range.
	(tree_ssa_phiprop): Pass the correct array size.

2009-04-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (tune): Add cast to enum attr_tune.

2009-04-21  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 16202
	* c-typeck.c (lvalue_p): Move declaration ...
	* c-common.h (lvalue_p): ... to here.
	* c-common.c (candidate_equal_p): New.
	(add_tlist): Use it.
	(merge_tlist): Use it.
	(warn_for_collisions_1): Likewise.
	(warning_candidate_p): Accept more candidates.
	(verify_tree): A warning candidate can be an expression. Use
	candidate_equal_p.

2009-04-21  Ben Elliston  <bje@au.ibm.com>

	PR target/5267
	* doc/invoke.texi (RS/6000 and PowerPC Options): Add documentation
	for -mcall-eabi, -mcall-aixdesc, -mcall-freebsd and -mcall-openbsd
	options.  Remove -mcall-solaris documentation.

2009-04-21  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/13358
	* doc/invoke.texi (-Wlong-long): Update description.
	* c-lex (interpret_integer): Only warn if there was no previous
	overflow and -Wlong-long is enabled.
	* c-decl.c (declspecs_add_type): Drop redundant flags.
	* c.opt (Wlong-long): Init to -1.
	* c-opts.c (sanitize_cpp_opts): Synchronize cpp's warn_long_long
	and front-end warn_long_long. Wlong-long only depends on other
	flags if it is uninitialized.
	* c-parser.c (disable_extension_diagnostics): warn_long_long is
	the same for CPP and FE.
	(restore_extension_diagnostics): Likewise.

2009-04-20  Ian Lance Taylor  <iant@google.com>

	Fix enum conversions which are invalid in C++:
	* auto-inc-dec.c (attempt_change): Change 0 to SET in function call.
	* calls.c (store_one_arg): Change 0 to EXPAND_NORMAL in function call.
	* cse.c (hash_rtx_cb): Change 0 to VOIDmode in function call.
	* dbgcnt.c (dbg_cnt_set_limit_by_name): Add cast to enum type.
	* dbxout.c (dbxout_symbol): Change 0 to VOIDmode in function call.
	(dbxout_parms): Likewise.
	* df-core.c (df_set_flags): Change changeable_flags parameter to int.
	(df_clear_flags): Likewise.
	* df-problems.c (df_rd_bb_local_compute_process_def): Change
	top_flag parameter to int.
	(df_chain_create_bb_process_use): Likewise.
	(df_chain_add_problem): Change chain_flags parameter to unsigned int.
	Remove cast.
	* df-scan.c (df_ref_create): Change ref_flags parameter to int.
	(df_ref_create_structure, df_def_record_1): Likewise.
	(df_defs_record, df_uses_record, df_get_call_refs): Likewise.
	(df_notes_rescan): Change 0 to VOIDmode in function call.
	(df_get_call_refs, df_insn_refs_collect): Likewise.
	(df_bb_regs_collect): Likewise.
	(df_entry_block_defs_collect): Likewise.
	(df_exit_block_uses_collect): Likewise.
	* df.h: Update declarations.
	* double-int.c (double_int_divmod): Add cast to enum type.
	* dse.c (replace_inc_dec): Reverse parameters to gen_int_mode.
	* dwarf2out.c (new_reg_loc_descr): Add casts to enum type.
	(based_loc_descr): Likewise.
	(loc_descriptor_from_tree_1): Change first_op and second_op to
	enum dwarf_location_atom.  Add cast to enum type.
	* expmed.c (init_expmed): Change 0 to SET in function call.
	* expr.c (init_expr_target): Change 0 to VOIDmode in function call.
	(expand_expr_real_1): Change 0 to EXPAND_NORMAL in function call.
	(do_store_flag): Likewise.
	* fixed-value.h (struct fixed_value): Change mode to enum
	machine_mode.
	* function.c (assign_parms): Change 0 to VOIDmode in function call.
	* genautomata.c (insert_automaton_decl): Change 1 to INSERT in
	function call.
	(insert_insn_decl, insert_decl, insert_state): Likewise.
	(automata_list_finish): Likewise.
	* genrecog.c (process_define_predicate): Add cast to enum type.
	* gensupport.c (init_predicate_table): Add cast to enum type.
	* gimple.c (gimple_build_return): Change 0 to ERROR_MARK in
	function call.
	(gimple_build_call_1, gimple_build_label): Likewise.
	(gimple_build_goto, gimple_build_asm_1): Likewise.
	(gimple_build_switch_1, gimple_build_cdt): Likewise.
	* gimple.h (GIMPLE_CHECK): Change 0 to ERROR_MARK in function call.
	(enum fallback): Rename from enum fallback_t.
	(fallback_t): Typedef as int.
	* gimple-low.c (lower_builtin_setjmp): Change TSI_SAME_STMT to
	GSI_SAME_STMT in function call.
	* ira.c (setup_class_subset_and_memory_move_costs): Add casts to
	enum type.
	(setup_reg_class_relations): Likewise.
	(setup_reg_class_nregs): Change cl to int.  Add casts to enum type.
	(setup_prohibited_class_mode_regs): Add cast to enum type.
	(setup_prohibited_mode_move_regs): Likewise.
	* ira-costs.c (record_reg_classes): Change rclass to enum reg_class.
	(record_address_regs): Change i to enum reg_class.
	* lists.c (alloc_EXPR_LIST): Add cast to enum type.
	* machmode.h (GET_MODE_CLASS): Cast value to enum mode_class.
	(GET_MODE_WIDER_MODE): Cast value to enum machine_mode.
	(GET_MODE_2XWIDER_MODE): Likewise.
	(GET_CLASS_NARROWEST_MODE): Likewise.
	* omp-low.c (expand_omp_for): Add cast to enum type.
	* optabs.c (debug_optab_libfuncs): Add casts to enum type.
	* opts.c (enable_warning_as_error): Change kind to diagostic_t.
	* postreload.c (reload_cse_simplify_operands): Change rclass local
	to enum reg_class.
	* predict.c (combine_predictions_for_insn): Change best_predictor
	and predictor to enum br_predictor.
	(combine_predictions_for_bb): Likewise.
	(build_predict_expr): Change assignment to PREDICT_EXPR_OUTCOME to
	use SET_PREDICT_EXPR_OUTCOME.
	* real.c (real_arithmetic): Change icode to code in function call.
	* reginfo.c (init_move_cost): Add casts to enum type.
	(init_reg_sets_1, init_fake_stack_mems): Likewise.
	* regmove.c (regclass_compatible_p): Change class0 and class1 to
	enum reg_class.
	* reload.c (find_valid_class): Add casts to enum type.
	(push_reload): Change 0 to NO_REGS in function call.
	(find_reloads): Change this_alternative to array of enum
	reg_class.  Remove some now-unnecessary casts.
	(make_memloc): Change 0 to VOIDmode in function call.
	* reload1.c (reload): Change 0 to VOIDmode in function call.
	(eliminate_regs_1, elimination_effects): Likewise.
	(eliminate_regs_in_insn): Likewise.
	(emit_input_reload_insns): Add cast to enum type.
	(delete_output_reload): Change 0 to VOIDmode in function call.
	* reorg.c (insn_sets_resource_p): Convert include_delayed_effects
	to enum type in function call.
	* tree.h (PREDICT_EXPR_OUTCOME): Add cast to enum type.
	(SET_PREDICT_EXPR_OUTCOME): Define.
	* tree-dump.c (get_dump_file_info): Change phase parameter to int.
	(get_dump_file_name, dump_begin, dump_enabled_p): Likewise.
	(dump_initialized_p, dump_flag_name, dump_end): Likewise.
	(dump_function): Likewise.
	* tree-dump.h: Update declarations.
	* tree-pass.h: Update declarations.
	* varasm.c (assemble_integer): Change mclass to enum mode_class.
	* config/arm/arm.c (thumb_legitimize_reload_address): Add cast to
	enum type.
	(arm_rtx_costs_1): Correct parenthesization.
	(arm_rtx_costs): Add casts to enum type.
	(adjacent_mem_locations): Reverse arguments to const_ok_for_op.
	(vfp_emit_fstmd): Use add_rg_note.
	(emit_multi_reg_push, emit_sfm): Likewise.
	(thumb_set_frame_pointer): Likewise.
	(arm_expand_prologue): Likewise.
	(arm_regno_class): Change return type to enum reg_class.
	(thumb1_expand_prologue): Use add_reg_note.
	* config/arm/arm-protos.h (arm_regno_class): Update declaration.
	* config/arm/arm.h (INITIALIZE_TRAMPOLINE): Change 0 to LCT_NORMAL
	in function call.
	* config/arm/gentune.sh: Add cast to enum type.
	* config/arm/arm-tune.md: Rebuild.
	* config/i386/i386.c (ix86_expand_prologue): Use add_reg_note.
	(ix86_split_fp_branch, predict_jump): Likewise.
	(ix86_expand_multi_arg_builtin): Change sub_code from enum
	insn_code to enum rtx_code.
	(ix86_builtin_vectorized_function): Add cast to enum type.
	* config/i386/i386.md (truncdfsf2): Change slot to enum
	ix86_stack_slot.
	(truncxf<mode>2, isinf<mode>2): Likewise.
	* config/i386/i386-c.c (ix86_pragma_target_parse): Add cast to
	enum type.
	* config/ia64/ia64.c (ia64_split_tmode_move): Use add_reg_note.
	(spill_restore_mem, do_spill, ia64_expand_prologue): Likewise.
	(insert_bundle_state): Change 1 to INSERT in function call.
	(ia64_add_bundle_selector_before): Likewise.
	* config/ia64/ia64.md (cpu attr): Add cast to enum type.
	(save_stack_nonlocal): Change 0 to LCT_NORMAL in function call.
	(restore_stack_nonlocal): Likewise.
	* config/mips/mips.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL in
	function call.
	* config/mips/mips.c (mips_binary_cost): Change 0 to SET in
	function call.
	(mips_rtx_costs): Likewise.
	(mips_override_options): Add casts to enum type.
	* config/mips/sdemtk.h (MIPS_ICACHE_SYNC): Change 0 to LCT_NORMAL
	in function call.
	* config/pa/pa.c (legitimize_pic_address): Use add_reg_note.
	(store_reg, set_reg_plus_d): Likewise.
	(hppa_expand_prologue, hppa_profile_hook): Likewise.
	* config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add
	cast to enum type.
	(altivec_expand_vec_set_builtin): Change 0 to EXPAND_NORMAL in
	function call.
	(emit_unlikely_jump): Use add_reg_note.
	(rs6000_emit_allocate_stack): Likewise.
	(rs6000_frame_related, rs6000_emit_prologue): Likewise.
	(output_toc): Change 1 to INSERT in function call.
	(output_profile_hook): Change 0 to LCT_NORMAL in function call.
	(rs6000_initialize_trampoline): Likewise.
	(rs6000_init_dwarf_reg_sizes_extra): Change 0 to EXPAND_NORMAL in
	function call.
	* config/s390/s390.c (s390_rtx_costs): Add cast to enum type.
	(s390_expand_movmem): Change 0 to OPTAB_DIRECT in function call.
	(s390_expand_setmem, s390_expand_cmpmem): Likewise.
	(save_gprs): Use add_reg_note.
	(s390_emit_prologue): Likewise.
	(s390_expand_builtin): Change 0 to EXPAND_NORMAL in function call.
	* config/sparc/sparc.c (sparc_expand_prologue): Use add_reg_note.
	(sparc_fold_builtin): Add cast to enum type.
	* config/spu/spu.c (spu_emit_branch_or_set): Change ior_code to
	enum insn_code.
	(spu_expand_prologue): Use add_reg_note.
	(expand_builtin_args): Change 0 to EXPAND_NORMAL in function call.

2009-04-20  Ian Lance Taylor  <iant@google.com>

	* c-parser.c (c_parser_attributes): Change VEC back to tree list.
	(c_parser_postfix_expression_after_primary): Get VEC for list of
	arguments.  Get original types of arguments.  Call
	build_function_call_vec.
	(cached_expr_list_1, cached_expr_list_2): New static variables.
	(c_parser_expr_list): Change return type to VEC *.  Add
	p_orig_types parameter.  Change all callers.
	(c_parser_release_expr): New static function.
	(c_parser_vec_to_tree_list): New static function.
	* c-typeck.c (build_function_call): Rewrite to build a VEC and
	call build_function_call_vec.
	(build_function_call_vec): New function, based on old
	build_function_call.
	(convert_arguments): Remove nargs and argarray parameters.  Change
	values to a VEC.  Add origtypes parameter.
	(build_modify_expr): Add rhs_origtype parameter.  Change all callers.
	(convert_for_assignment): Add origtype parameter.  Change all
	callers.  If warn_cxx_compat, check for conversion to an enum
	type when calling a function.
	(store_init_value): Add origtype parameter.  Change all callers.
	(digest_init): Likewise.
	(struct init_node): Add origtype field.
	(add_pending_init): Add origtype parameter.  Change all callers.
	(output_init_element): Likewise.
	(output_pending_init_elements): Pass origtype from init_node to
	output_init_element.
	(process_init_element): Pass origtype from c_expr to
	output_init_element.
	(c_finish_return): Add origtype parameter.  Change all callers.
	* c-common.c (sync_resolve_size): Change params to VEC *.  Change
	caller.
	(sync_resolve_params): Likewise.
	(sync_resolve_return): Change params to first_param.  Change caller.
	(resolve_overloaded_builtins): Change params to VEC *.  Change
	callers.  Save first parameter around call to build_function_call_vec.
	* c-decl.c (finish_decl): Add origtype parameter.  Change all
	callers.  Call build_function_call_vec rather than
	build_function_call for cleanup.
	* c-tree.h: Update declarations.
	* c-common.h: Update declarations.
	* stub-objc.c (objc_rewrite_function_call): Change parameter from
	params to first_param.
	* target.h (struct gcc_target): Change resolve_overloaded_builtin
	params parameter from tree to void *.
	* config/rs6000/rs6000-c.c (altivec_resolve_overloaded_builtin):
	Change arglist parameter to have type void *, and to be a pointer
	to a VEC.
	* config/rs6000/rs6000-protos.h
	(altivec_resolve_overloaded_builtin): Update declaration.
	* config/spu/spu-c.c (spu_resolved_overloaded_builtin): Change
	fnargs parameter to have type void *, and to be a pointer to a
	VEC.  Call build_function_call_vec instead of
	build_function_call.
	* config/spu/spu-protos.h (spu_expand_builtin): Update declaration.

2009-04-20  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo  <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/atom.md: Add bypasses with ix86_dep_by_shift_count.

	* config/i386/i386.c (LEA_SEARCH_THRESHOLD): New macro.
	(IX86_LEA_PRIORITY): Likewise.
	(distance_non_agu_define): New function.
	(distance_agu_use): Likewise.
	(ix86_lea_for_add_ok): Likewise.
	(ix86_dep_by_shift_count): Likewise.

	* config/i386/i386.md: Call ix86_lea_for_add_ok to decide we
	should split for LEA.

	* config/i386/i386-protos.h (ix86_lea_for_add_ok): Declare new
	function.
	(ix86_dep_by_shift_count): Likewise.

2009-04-20  Richard Guenther  <rguenther@suse.de>

	* expr.c (handled_component_p): Move ...
	* tree.h (handled_component_p): ... here.
	* tree.def: Re-order BIT_FIELD_REF, COMPONENT_REF,
	ARRAY_REF, ARRAY_RANGE_REF, VIEW_CONVERT_EXPR, IMAGPART_EXPR
	and REALPART_EXPR to be in one group.

2009-04-20  Richard Guenther  <rguenther@suse.de>

	* basic-block.h (get_all_dominated_blocks): Declare.
	* dominance.c (get_all_dominated_blocks): New function.
	* tree-cfg.c (get_all_dominated_blocks): Remove.
	(remove_edge_and_dominated_blocks): Adjust.
	* tree-ssa-phiprop.c (tree_ssa_phiprop_1): Fold in ...
	(tree_ssa_phiprop): ... here.  Use get_all_dominated_blocks
	instead of recursing.

2009-04-20  Doug Kwan  <dougkwan@google.com>

	* cgraph.h (cgraph_node_ptr): New type for vector functions.
	(struct cgraph_node_set_def): New type.
	(cgraph_node_set) New type. Also declare vector functions.
	(struct cgraph_node_set_element_def): New type.
	(cgraph_node_set_element): Ditto.
	(cgraph_node_set_iterator): New iterator type.
	(cgraph_node_set_new, cgraph_node_set_find, cgraph_node_set_add,
	cgraph_node_set_remove, dump_cgraph_node_set,
	debug_cgraph_node_set): New prototypes.
	(csi_end_p, csi_next, csi_node, csi_start, cgraph_node_in_set_p,
	cgraph_node_set_size): New inlines.
	* tree-pass.h (struct cgraph_node_set_def): New decl to avoid
	including cgraph.h.
	(struct ipa_opt_pass): Add struct cgraph_node_set_def
	argument to function 'write_summary'.
	* ipa.c: Include ggc.h.
	(hash_cgraph_node_set_element,
	eq_cgraph_node_set_element, cgraph_node_set_new,
	cgraph_node_set_add, cgraph_node_set_remove,
	cgraph_node_set_find, dump_cgraph_node_set,
	debug_cgraph_node_set): New functions.
	* Makefile.in (ipa.o): Add dependency on GGC_H.

2009-04-20  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39675
	* tree-vect-loop.c (vect_transform_loop): Remove currently redundant
	check of the return code of vect_schedule_slp. Check that
	stmt_vec_info still exists for the statement, before checking its
	vectorization type.

2009-04-20  Michael Matz  <matz@suse.de>

	* Makefile.in (generated_files): Take out $(simple_generated_c).

2009-04-19  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config/i386/cygwin-stdint.h (INTPTR_TYPE):  Remove "long".
	(UINTPTR_TYPE):  Likewise.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/37481
	* c-typeck.c (digest_init): Check for initializing an array with a
	string literal.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/19771
	* c-semantics.c (pop_stmt_list): Propagate
	STATEMENT_LIST_HAS_LABEL to parent statement list.

2009-04-19  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.h (mips_tune_attr): New macro.
	* config/mips/mips.md (cpu): Use it.

2009-04-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/38243
	* c-decl.c (shadow_tag_warned): Diagnose use of restrict when
	declaring a tag.

2009-04-19  Diego Novillo  <dnovillo@google.com>

	* toplev.c (compile_file): Move call to coverage_finish ...
	* cgraphunit.c (ipa_passes): ... here.
	Call cgraph_process_new_functions.
	* ipa-utils.c (get_base_var): Handle CONSTRUCTOR.
	* Makefile.in (cgraphunit.o): Add dependency on COVERAGE_H.

2009-04-19  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_create_edge, cgraph_set_call_stmt): Set proper
	cfun.
	(dump_cgraph_node): Dump can throw external flag.
	* ipa-pure-const.c (propagate): Fix propagation of nothrow flags.

2009-04-19  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR c/32061
	PR c++/36954
	* doc/invoke.texi: Add -Wlogical-op to -Wextra.
	* common.opt (Wlogical-op): Move from here...
	* c.opt (Wlogical-op): ... to here.
	* c-typeck.c (parser_build_binary_op): Update call to
	warn_logical_operator.
	* c-opts.c (c_common_post_options): Enable warn_logical_op with
	extra_warnings.
	* c-common.c (warn_logical_op): Update.
	* c-common.h (warn_logical_op): Update declaration.

2009-04-19  Eric Botcazou  <ebotcazou@adacore.com>

	* tree.c (protected_set_expr_location): Fix formatting.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	PR c/27676
	* c-typeck.c (readonly_warning): new.
	(build_unary_op, build_modify_expr): Use readonly_warning for
	storing into something readonly but not const-qualified.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	PR c/22367
	* c-typeck.c (build_unary_op): Check for taking address of
	expression of type void.

2009-04-18  Joseph Myers  <joseph@codesourcery.com>

	PR c/35210
	* c-typeck.c (build_function_call): Check for calling a function
	with qualified void return types.  Call require_complete_type when
	generating a trap.

2009-04-18  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_make_edge, dump_cgraph_node, cgraph_set_call_stmt):
	Set nothrow flag.
	* cgraph.h (struct function): Reduce loop_nest to 30 bits; add
	can_throw_external flag.
	* ipa-reference.c (ipa_utils_reduced_inorder): Update call.
	* ipa-pure-const.c (ignore_edge): New function.
	(propagate): Compute order for NOTHROW computation; set NOTHROWs
	only over can_throw_external edges.
	(local_pure_const): Add nothrow flag.
	* ipa-utils.c (searchc): Add ignore_edge callback.
	(ipa_utils_reduced_inorder): Add ignore_edge callback.
	* ipa-utils.h (ipa_utils_reduced_inorder): Update prototype.
	(set_nothrow_function_flags): Update cgraph.
	* tree-cfg.c (verify_stmt): Relax nothrow checking when in IPA mode.

2009-04-18  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39804
	* tree-ssa-ccp.c (fold_stmt_1): New function factored from ...
	(fold_stmt): ... this and ...
	(fold_stmt_inplace): ... this.
	(fold_stmt_1): Fold references in calls and asms.
	* tree-cfg.c (remove_useless_stmts_cond): Use fold_stmt.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

	* tree-vrp.c (ssa_name_nonzero_p): Remove.
	* tree.h: Remove the prototype for ssa_name_nonzero_p.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

	* tree.c (function_args_count): Remove.
	* tree.h: Remove the prototype for function_args_count.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

	* tree-iterator.c (expr_only): Remove.
	* tree.h: Remove the prototype for expr_only.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

	* reginfo.c (cannot_change_mode_set_regs): Remove.
	* rtl.h: Remove the prototype for cannot_change_mode_set_regs.

2009-04-08  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.md (*rotlsi3_8, *rotlsi3_16, *rotlsi3_24 ): Check
	whether operands 0 and 1 overlaps.

2009-04-18  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR middle-end/36902
	* tree-vrp.c (check_array_ref): Pass a location_t instead of a
	pointer. Use warning_at instead of warning.
	(search_for_addr_array): Likewise.
	(check_array_bounds): Likewise.
	(check_all_array_refs): Check that the incoming edge is not in the
	list of edges to be removed.
	(check_all_array_refs): Avoid the temporal pointer.
	(vrp_visit_cond_stmt): Fix typo.
	(simplify_switch_using_ranges): Handle the case where the switch
	index is an integer constant.

2009-04-18  Adam Nemet  <anemet@caviumnetworks.com>

	* config/mips/mips.c (mips_final_postscan_insn): Make it static.

2009-04-18  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi, doc/invoke.texi: Fix typos.

2009-04-17  Cary Coutant  <ccoutant@google.com>

	* tree-flow-inline.h (get_lineno): Fix inverted test.

2009-04-17  Diego Novillo  <dnovillo@google.com>

	* tree-ssa-pre.c (create_expression_by_pieces): Remove
	assertion for AVAIL_OUT.

2009-04-17  Mike Frysinger  <vapier@gentoo.org>

	PR target/38627
	* config/sh/lib1funcs.asm [__ELF__ && __linux__]: Add .note.GNU-stack.
	* config/sh/linux-atomic.asm: Likewise.

2009-04-17  Diego Novillo  <dnovillo@google.com>

	* except.c (debug_eh_tree): New.
	(struct eh_region, struct eh_status): Move ...
	* except.h: ... here.
	(add_type_for_runtime): Declare extern.
	(lookup_type_for_runtime): Likewise.
	(debug_eh_tree): Declare.
	* Makefile.in (GTFILES): List except.h before except.c

2009-04-17  Diego Novillo  <dnovillo@google.com>

	* omp-low.c (create_omp_child_function): Set DECL_CONTEXT for DECL.
	* cgraphunit.c (cgraph_build_static_cdtor): Likewise.
	* tree-dfa.c (find_referenced_vars_in): Factor out of ...
	(find_vars_r): ... here.
	* tree-flow.h (find_referenced_vars_in): Declare.
	* tree-ssa-pre.c (create_expression_by_pieces): Assert
	that AVAIL_OUT exists for BLOCK.
	* Makefile.in (CGRAPH_H): Add dependency on cif-code.def
	(tree-loop-distribution.o): Fix dependency on TREE_VECTORIZER_H.
	(tree-parloops.o): Likewise.

2009-04-17  Simon Baldwin  <simonb@google.com>

	* toplev.c (default_tree_printer): Add handling for %E format.

2009-04-17  Diego Novillo  <dnovillo@google.com>

	* tree-pretty-print.c (dump_generic_node): Add break after
	TREE_BINFO handler.  Handle COMPLEX_TYPE, REAL_TYPE and
	FIXED_POINT_TYPE.  Handle NULL TREE_TYPEs.  Handle METHOD_TYPE and
	FUNCTION_TYPE together.  Call print_struct_decl when printing
	structures and TDF_SLIM is not given.
	(print_struct_decl): Fix logic for detecting recursion.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

	PR 31567
	* gcc.c (create_at_file): New.
	(compile_input_file_p): New.
	(do_spec_1): Use @args files for %i. Use create_at_file for %o.
	* main.c (main): Update call to toplev_main.
	* toplev.c (toplev_main): Change signature. Call expandargv.
	* toplev.h (toplev_main): Change signature.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (field_byte_offset): Use the type size as the field size
	if the latter is not constant.

2009-04-17  David Edelsohn  <edelsohn@gnu.org>

	* dbxout.c (xcoff_debug_hooks): Add set_name_debug_nothing.

2009-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* dbxout.c (dbxout_block): Reinstate test on TREE_USED.
	* tree-ssa-live.c (remove_unused_scope_block_p): Update TREE_USED bit.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (get_constraint_for_component_ref):
	Handle component references view-converting an invariant address.

2009-04-17  Adam Nemet  <anemet@caviumnetworks.com>

	* doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS,
	TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET,
	TARGET_HAVE_SRODATA_SECTION, TARGET_HAVE_TLS,
	TARGET_UNWIND_TABLES_DEFAULT, TARGET_TERMINATE_DW2_EH_FRAME_INFO):
	Use @deftypevr rather than @deftypevar.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (get_prop_dest_stmt): Clean up tuplification.
	(get_prop_source_stmt): Likewise.
	(can_propagate_from): Likewise.

2009-04-17  Andrew Stubbs  <ams@codesourcery.com>

	* configure.ac: Add new AC_SUBST for TM_ENDIAN_CONFIG,
	TM_MULTILIB_CONFIG and TM_MULTILIB_EXCEPTIONS_CONFIG.
	(--with-multilib-list): Add default value.
	* configure: Regenerate.
	* Makefile.in (TM_ENDIAN_CONFIG): Define.
	(TM_MULTILIB_CONFIG, TM_MULTILIB_EXCEPTIONS_CONFIG): Define.
	* config.gcc (sh-*-*): Switch to using TM_ENDIAN_CONFIG,
	TM_MULTILIB_CONFIG, and TM_MULTILIB_EXCEPTIONS_CONFIG.
	Don't add default cpu to multilib list unnecessarily, but do enable
	the relevant compiler option..
	Add support for --with-multilib-list=<blank> and
	--with-multilib-list=!<somelib> to supress unwanted multilibs.
	* config/sh/t-sh (DEFAULT_ENDIAN, OTHER_ENDIAN): New variables.
	(MULTILIB_ENDIAN, MULTILIB_CPUS): Delete variables.
	(MULTILIB_OPTIONS): Redefine using OTHER_ENDIAN and
	TM_MULTILIB_CONFIG.
	(MULTILIB_EXCEPTIONS): Add TM_MULTILIB_EXCEPTIONS_CONFIG.
	(MULTILIB_OSDIRNAMES): New variable.
	* config/sh/t-1e: Delete file.
	* config/sh/t-mlib-sh1: Delete file.
	* config/sh/t-mlib-sh2: Delete file.
	* config/sh/t-mlib-sh2a: Delete file.
	* config/sh/t-mlib-sh2a-nofpu: Delete file.
	* config/sh/t-mlib-sh2a-single: Delete file.
	* config/sh/t-mlib-sh2a-single-only: Delete file.
	* config/sh/t-mlib-sh2e: Delete file.
	* config/sh/t-mlib-sh3e: Delete file.
	* config/sh/t-mlib-sh4: Delete file.
	* config/sh/t-mlib-sh4-nofpu: Delete file.
	* config/sh/t-mlib-sh4-single: Delete file.
	* config/sh/t-mlib-sh4-single-only: Delete file.
	* config/sh/t-mlib-sh4a: Delete file.
	* config/sh/t-mlib-sh4a-nofpu: Delete file.
	* config/sh/t-mlib-sh4a-single: Delete file.
	* config/sh/t-mlib-sh4a-single-only: Delete file.
	* config/sh/t-mlib-sh4al: Delete file.
	* config/sh/t-mlib-sh5-32media: Delete file.
	* config/sh/t-mlib-sh5-32media-nofpu: Delete file.
	* config/sh/t-mlib-sh5-64media: Delete file.
	* config/sh/t-mlib-sh5-64media-nofpu: Delete file.
	* config/sh/t-mlib-sh5-compact: Delete file.
	* config/sh/t-mlib-sh5-compact-nofpu: Delete file.
	* config/sh/t-linux: Don't override MULTILIB_EXCEPTIONS.
	* doc/install.texi (Options specification): Add
	--with-multilib-list and --with-endian.

2009-04-17  Rafael Avila de Espindola  <espindola@google.com>

	* Makefile.in (REVISION_s): Always include quotes. Change ifdef to use
	REVISION_c.
	(OBJS-common): Add plugin-version.o.
	(plugin-version.o): New.
	* gcc-plugin.h (plugin_gcc_version): New.
	(plugin_default_version_check): New.
	(plugin_init_func, plugin_init): Add version argument.
	* plugin-version.c: New.
	* plugin.c (str_plugin_gcc_version_name): New.
	(try_init_one_plugin): Read plugin_gcc_version from the plugin and
	pass it to the init function.
	(plugin_default_version_check): New.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (refs_may_alias_p_1): Do not use TBAA
	for decl-vs-decl disambiguation.

2009-04-17  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.h (s390_tune_attr): New macro definition.
	* config/s390/s390.md (cpu attribute): Map to s390_tune_attr.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (struct fold_stmt_r_data): Remove.
	(fold_stmt_r): Likewise.
	(maybe_fold_reference): New function.
	(fold_gimple_assign): Handle cases fold_stmt_r did.
	(fold_stmt): Do not use fold_stmt_r.
	(fold_stmt_inplace): Likewise.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-dom.c (gimple_assign_unary_useless_conversion_p): Remove.
	(record_equivalences_from_stmt): Remove useless checks and
	simplifications.
	* tree-ssa-pre.c (eliminate): Avoid converting a constant if
	the type is already suitable.

2009-04-17  Paolo Bonzini  <bonzini@gnu.org>

	* config/sh/sh.h (FUNCTION_VALUE): Fix call to sh_promote_prototypes.

2009-04-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/arm/sfp-machine.h (__gcc_CMPtype): New typedef.
	(CMPtype): Define as __gcc_CMPtype.

2009-04-17  Aurelien Jarno  <aurelien@aurel32.net>

	* config.gcc: Add soft-fp/t-softfp and i386/t-linux to tmake_file
	for i[34567]86-*-kfreebsd*-gnu*, x86_64-*-kfreebsd*-gnu*.

2009-04-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39746
	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Remove
	special-casing for builtins and static variable use/def.
	(call_may_clobber_ref_p_1): Likewise.

2009-04-16  Ian Lance Taylor  <iant@google.com>

	* df.h: Include "timevar.h".
	(struct df_problem): Change tv_id field to timevar_id_t.
	* tree-pass.h: Include "timevar.h".
	(struct opt_pass): Change tv_id field to timevar_id_t.
	* timevar.h (timevar_id_t): Define TV_NONE.
	* passes.c (execute_one_ipa_transform_pass): Check for tv_id !=
	TV_NONE rather than tv_id != 0.
	(execute_one_pass): Likewise.
	* Makefile.in (DF_H): Add $(TIMEVAR_H).
	(TREE_PASS_H): Define.  Change all instances of tree-pass.h in
	dependencies to $(TREE_PASS_H).
	* bt-load.c (pass_branch_target_load_optimize1): Set tv_id field
	to TV_NONE.
	(pass_branch_target_load_optimize2): Likewise.
	* cfglayout.c (pass_into_cfg_layout_mode): Likewise.
	(pass_outof_cfg_layout_mode): Likewise.
	* cgraphbuild.c (pass_remove_cgraph_callee_edges): Likewise.
	(pass_rebuild_cgraph_edges): Likewise.
	(pass_remove_cgraph_callee_edges): Likewise.
	* df-core.c (pass_df_initialize_opt): Likewise.
	(pass_df_initialize_no_opt): Likewise.
	(pass_df_finish): Likewise.
	* emit-rtl.c (pass_unshare_all_rtl): Likewise.
	* except.c (pass_set_nothrow_function_flags): Likewise.
	(pass_convert_to_eh_region_ranges): Likewise.
	* final.c (pass_compute_alignments): Likewise.
	* function.c (pass_instantiate_virtual_regs): Likewise.
	(pass_init_function): Likewise.
	(pass_leaf_regs): Likewise.
	(pass_match_asm_constraints): Likewise.
	* gimple-low.c (pass_lower_cf): Likewise.
	(pass_mark_used_blocks): Likewise.
	* init-regs.c (pass_initialize_regs): Likewise.
	* integrate.c (pass_initial_value_sets): Likewise.
	* ira.c (pass_ira): Likewise.
	* jump.c (pass_cleanup_barriers): Likewise.
	* omp-low.c (pass_expand_omp): Likewise.
	(pass_lower_omp): Likewise.
	* matrix-reorg.c (pass_ipa_matrix_reorg): Likewise.
	* recog.c (pass_split_all_insns): Likewise.
	(pass_split_after_reload): Likewise.
	(pass_split_before_regstack): Likewise.
	(pass_split_before_sched2): Likewise.
	(pass_split_for_shorten_branches): Likewise.
	* reginfo.c (pass_reginfo_init): Likewise.
	(pass_subregs_of_mode_init): Likewise.
	(pass_subregs_of_mode_finish): Likewise.
	* passes.c (pass_postreload): Likewise.
	* stack-ptr-mod.c (pass_stack_ptr_mod): Likewise.
	* tree-cfg.c (pass_remove_useless_stmts): Likewise.
	(pass_warn_function_return): Likewise.
	(pass_warn_function_noreturn): Likewise.
	* tree-complex.c (pass_lower_complex): Likewise.
	(pass_lower_complex_O0): Likewise.
	* tree-if-conv.c (pass_if_conversion): Likewise.
	* tree-into-ssa.c (pass_build_ssa): Likewise.
	* tree-mudflap.c (pass_mudflap_1): Likewise.
	(pass_mudflap_2): Likewise.
	* tree-nomudflap.c (pass_mudflap_1): Likewise.
	(pass_mudflap_2): Likewise.
	* tree-nrv.c (pass_return_slot): Likewise.
	* tree-object-size.c (pass_object_sizes): Likewise.
	* tree-optimize.c (pass_all_optimizations): Likewise.
	(pass_early_local_passes): Likewise.
	(pass_all_early_optimizations): Likewise.
	(pass_cleanup_cfg): Likewise.
	(pass_cleanup_cfg_post_optimizing): Likewise.
	(pass_free_datastructures): Likewise.
	(pass_free_cfg_annotations): Likewise.
	(pass_fixup_cfg): Likewise.
	(pass_init_datastructures): Likewise.
	* tree-ssa.c (pass_early_warn_uninitialized): Likewise.
	(pass_late_warn_uninitialized): Likewise.
	(pass_update_address_taken): Likewise.
	* tree-ssa-ccp.c (pass_fold_builtins): Likewise.
	* tree-ssa-math-opts.c (pass_cse_reciprocals): Likewise.
	(pass_cse_sincos): Likewise.
	(pass_convert_to_rsqrt): Likewise.
	* tree-ssa-structalias.c (pass_build_alias): Likewise.
	* tree-stdarg.c (pass_stdarg): Likewise.
	* tree-tailcall.c (pass_tail_recursion): Likewise.
	(pass_tail_calls): Likewise.
	* tree-vect-generic.c (pass_lower_vector): Likewise.
	(pass_lower_vector_ssa): Likewise.
	* tree-vectorizer.c (pass_ipa_increase_alignment): Likewise.

2009-04-16  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.c (mips_rtx_cost_data): Use SOFT_FP_COSTS in
	XLR entry.
	* config/mips/mips.h (MIPS_ISA_LEVEL_SPEC, MIPS_ARCH_FLOAT_SPEC):
	Handle -march=xlr.
	* config/mips/xlr.md (ir_xlr_alu): Also accept insn types move,
	logical and signext.

2009-04-16  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/39767
	* config/sh/predicates.md (arith_operand): Check if the operand
	of TRUNCATE is a REG.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* cfgrtl.c (delete_insn_chain_and_edges): Remove.
	* rtl.h: Remove the prototype for delete_insn_chain_and_edges.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* tree-iterator.c (tsi_split_statement_list_after,
	tsi_split_statement_list_before): Remove.
	* tree-iterator.h: Remove the prototypes for
	tsi_split_statement_list_after and tsi_split_statement_list_before.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* tree-ssa-propagate.c (stmt_makes_single_load): Remove.
	* tree-ssa-propagate.h: Remove the prototype for
	stmt_makes_single_load.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* emit-rtl.c (set_mem_attrs_from_reg): Remove.
	* rtl.h: Remove the prototype for set_mem_attrs_from_reg.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* tree-iterator.c (EXPR_LAST_BODY): Remove.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* except.c (eh_region_outer_p): Remove.
	* except.h: Remove the prototype for eh_region_outer_p.

2009-04-16  Kazu Hirata  <kazu@codesourcery.com>

	* function.c (current_function_assembler_name): Remove.
	* function.h: Remove the prototype for
	current_function_assembler_name.

2009-04-16  Ian Lance Taylor  <iant@google.com>

	* rtlanal.c (alloc_reg_note): New function, broken out of add_reg_note.
	(add_reg_note): Call alloc_reg_note.
	* rtl.h (alloc_reg_note): Declare.
	* combine.c (try_combine): Use alloc_reg_note.
	(recog_for_combine, move_deaths): Likewise.
	(distribute_notes): Use alloc_reg_note and add_reg_note.
	* haifa-sched.c (sched_create_recovery_edges): Use add_reg_note.
	* combine-stack-adj.c (adjust_frame_related_expr): Likewise.
	* reload1.c (eliminate_regs_1): Use alloc_reg_note.

2009-04-16  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/39762
	* ira-int.h (ira_register_move_cost, ira_may_move_in_cost,
	ira_may_move_out_cost): Add comments about way of their usage.
	(ira_get_register_move_cost, ira_get_may_move_cost): New functions.

	* ira-conflicts.c (process_regs_for_copy): Use function
	ira_get_register_move_cost instead of global
	ira_register_move_cost.

	* ira-color.c (update_copy_costs, calculate_allocno_spill_cost,
	color_pass, move_spill_restore, update_curr_costs): Ditto.

	* ira-lives.c (process_single_reg_class_operands): Ditto.

	* ira-emit.c (emit_move_list): Ditto.

	* ira-costs.c (copy_cost): Don't call ira_init_register_move_cost.
	(record_reg_classes): Ditto.  Use functions
	ira_get_register_move_cost and ira_get_may_move_cost instead of
	global vars ira_register_move_cost, ira_may_move_out_cost and
	ira_may_move_in_cost.
	(record_address_regs): Don't call ira_init_register_move_cost.
	Use function ira_get_may_move_cost instead of global
	ira_may_move_in_cost.
	(process_bb_node_for_hard_reg_moves): Use function
	ira_get_register_move_cost instead of global ira_register_move_cost.
	(ira_costs): Don't call ira_init_register_move_cost.

2009-04-16  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_assign_binary):
	Allow POINTER_PLUS_EXPR-like PLUS_EXPR for vectors.
	* ipa-struct-reorg.c (gen_size): Fold the built expressions.
	(create_general_new_stmt): Note that this function is broken.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

	* common.opt (fhelp): Add Var(help_flag).
	* gcc-plugin.h (plugin_info): Add help.
	* plugin.c (plugin_name_args): Add help.
	(register_plugin_info): Set plugin->help.
	(print_help_one_plugin): New.
	(print_plugins_help): New.
	* plugin.h (print_plugins_help): New.
	* toplev.c (toplev_main): Call print_plugins_help if needed.

2009-04-16  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_copy): Do not clear addresses_taken bitmap.
	(gimple_ior_addresses_taken_1): New function.
	(gimple_ior_addresses_taken): Likewise.
	* gimple.h (struct gimple_statement_with_ops_base): Remove
	addresses_taken member.
	(gimple_ior_addresses_taken): Declare.
	(gimple_addresses_taken, gimple_addresses_taken_ptr,
	gimple_set_addresses_taken): Remove.
	* ipa-reference.c (mark_address): New function.
	(scan_stmt_for_static_refs): Use it for marking addresses taken.
	* tree-ssa-operands.c (add_to_addressable_set): Rename to ...
	(mark_address_taken): ... this.  Just set TREE_ADDRESSABLE.
	(gimple_add_to_addresses_taken): Remove.
	(get_tmr_operands): Call mark_address_taken.
	(get_asm_expr_operands): Likewise.
	(get_expr_operands): Likewise.
	(build_ssa_operands): Do not clear the addresses_taken bitmap.
	(free_stmt_operands): Do not free it.
	* tree-ssa.c (delete_tree_ssa): Likewise.
	(execute_update_addresses_taken): Use gimple_ior_addresses_taken.

2009-04-16  Richard Guenther  <rguenther@suse.de>

	* gimple.h (walk_stmt_load_store_addr_ops): Declare.
	(walk_stmt_load_store_ops): Likewise.
	* gimple.c (get_base_loadstore): New function.
	(walk_stmt_load_store_addr_ops): Likewise.
	(walk_stmt_load_store_ops): Likewise.
	* ipa-pure-const.c (check_op): Simplify.
	(check_load, check_store): New functions.
	(check_stmt): Use walk_stmt_load_store_ops.
	* ipa-reference.c (mark_load): Adjust signature.
	(mark_store): Likewise.
	(scan_stmt_for_static_refs): Use walk_stmt_load_store_addr_ops.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

	* gcc-plugin.h (plugin_event): Add PLUGIN_INFO.
	(plugin_info): New.
	* opts.c (common_handle_option): Don't call print_version.
	* plugin.c (plugin_name_args): Add version.
	(register_plugin_info): New.
	(register_callback): Handle PLUGIN_INFO.
	(try_init_one_plugin): New.
	(init_one_plugin): Use try_init_one_plugin. Only free plugin_name_args
	if failed to init.
	(finalize_one_plugin): New.
	(finalize_plugins): New.
	(print_one_plugin): New.
	(print_plugins_versions): New.
	* plugin.h (print_plugins_versions): New.
	(finalize_plugins): New.
	* toplev.c (compile_file): Don't call initialize_plugins.
	(print_version): Call print_plugins_versions.
	(toplev_main): Call initialize_plugins. Print version if needed.
	Call finalize_plugins.

2009-04-16  Rafael Avila de Espindola  <espindola@google.com>

	* common.opt (fversion): New.
	* gcc.c (print_version): New.
	(process_command): Don't print the version. Just set print_version.
	(main): Print version. Call subprocesses if print_version and
	verbose_flag are set.
	* opts.c (common_handle_option): Handle OPT_fversion.

2009-04-16  Richard Guenther  <rguenther@suse.de>
	    Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39698
	* tree-vect-loop.c (get_initial_def_for_reduction): Use the
	type of the reduction variable.  Only generate the def if
	it is needed.

	* omp-low.c (expand_omp_for_generic): When converting to a pointer
	make sure to first convert to an integer of the same precision.
	* tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer): Retain
	the type of the evolution correctly in computing the new
	induction variable base.

2009-04-16  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39625
	* tree-cfg.c (make_blocks): Split statements with to-be
	abnormal SSA names on the lhs.

2009-04-16  Paolo Bonzini  <bonzini@gnu.org>

	* c-common.c (vector_targets_convertible_p, vector_types_convertible_p):
	Use TYPE_VECTOR_OPAQUE instead of targetm.vector_opaque_p.
	* c-typeck.c (really_start_incremental_init): Likewise.
	* target-def.h (TARGET_VECTOR_OPAQUE_P): Remove.
	(TARGET_INITIALIZER): Remove it.
	* target.h (struct target): Remove vector_opaque_p.
	* tree.c (build_opaque_vector_type): New.
	* tree.h (TYPE_VECTOR_OPAQUE): New.
	(build_opaque_vector_type): Declare.
	* doc/tm.texi (TARGET_VECTOR_OPAQUE_P): Remove.
	* config/rs6000/rs6000.c (build_opaque_vector_type,
	rs6000_is_vector_type, TARGET_VECTOR_OPAQUE_P): Remove.
	(rs6000_init_builtins): Use build_opaque_vector_type for
	opaque_V4SI_type_node.

2009-04-15  Catherine Moore  <clm@codesourcery.com>

	* debug.h (set_name):  Declare.
	* dwarf2out.c (dwarf2out_set_name): Declare.
	(dwarf2_debug_hooks): Add set_name.
	(find_AT_string): New.
	(add_AT_string): Call find_AT_string.
	(dwarf2out_set_name): New.
	* cp/decl.c (grokdeclarator): Call set_name.
	* vmsdbgout.c (vmsdbg_debug_hooks): Add set_name_debug_nothing.
	* debug.c (do_nothing_debug_hooks):  Likewise.
	* dbxout.c (dbx_debug_hooks): Likewise.
	* sdbout.c (sdb_debug_hooks): Likewise.

2009-04-15  Michael Eager  <eager@eagercon.com>

	* config/rs6000/rs6000.c (rs6000_function_value): Set function return
	reg for single-precision FPU.
	* config/rs6000/rs6000.md (movsi_internal1): Only for
	!TARGET_SINGLE_FPU.
	(movsi_internal1_single): New. Add pattern to move SI values to/from
	single-precision FP regs.

2009-04-15  Richard Guenther  <rguenther@suse.de>

	* omp-low.c (lower_rec_input_clauses): Build correct address
	expressions.
	(expand_omp_for_generic): Fix multiplication type.
	* tree-loop-distribution.c (build_size_arg): Build a size_t argument.
	(generate_memset_zero): Fix types.
	* tree-profile.c (prepare_instrumented_value): Correctly
	widen a pointer.

2009-04-15  Ian Lance Taylor  <iant@google.com>

	* c.opt (Wenum-compare): Enable for C and Objc.  Initialize to -1.
	* c-opts.c (c_common_handle_option): For C, set warn_enum_compare
	for -Wall and for -Wc++-compat.
	(c_common_post_options): For C++, set warn_enum_compare if not
	already set.
	* c-tree.h (struct c_expr): Add field original_type.
	(build_external_ref): Update declaration.
	* c-parser.c (c_parser_braced_init): Set original_type.
	(c_parser_initelt): Likewise.
	(c_parser_expr_no_commas): Likewise.
	(c_parser_conditional_expression): Likewise.
	(c_parser_cast_expression): Likewise.
	(c_parser_unary_expression): Likewise.  Pull setting of
	original_code to top of function.
	(c_parser_sizeof_expression): Set original_type.
	(c_parser_alignof_expression): Likewise.
	(c_parser_postfix_expression): Likewise.  Pull setting of
	original_code to top of function.
	(c_parser_postfix_expression_after_paren_type): Set original_type.
	(c_parser_postfix_expression_after_primary): Likewise.
	(c_parser_expression): Likewise.
	* c-typeck.c (build_external_ref): Add type parameter.  Change all
	callers.
	(c_expr_sizeof_expr): Set original_type field.
	(parser_build_unary_op): Likewise.
	(parser_build_binary_op): Likewise.  Optionally warn about
	comparisons of enums of different types.
	(digest_init): Set original_type field.
	(really_start_incremental_init): Likewise.
	(push_init_level, pop_init_level): Likewise.
	* doc/invoke.texi (Warning Options): -Wenum-compare now
	supported in C.

2009-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (eliminate): When replacing a PHI node carry
	out a necessary conversion.
	* tree-ssa-sccvn.c (run_scc_vn): Also assign value-ids to
	names we didn't value number.
	* tree-mudflap.c (mf_build_check_statement_for): Use correct types.

2009-04-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39764
	* tree-ssa-ccp.c (get_value): Canonicalize value with
	canonicalize_float_value.

2009-04-15  Jan Hubicka  <jh@suse.cz>

	* builtins.def (va_start, va_end, va_copy): Fix my previous commit.
	Wrong version of patch.

2009-04-15  Jan Hubicka  <jh@suse.cz>

	* builtins.def (va_start, va_end, va_copy): Mark nothrow.

2009-04-15  Nathan Sidwell  <nathan@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_init_builtins): Set TYPE_NAME of
	our distinct integral and vector types.

2009-04-15  Rafael Avila de Espindola  <espindola@google.com>

	* class.c (build_vtbl_ref_1): Remove call to assemble_external.
	* init.c (build_vtbl_address): Remove call to assemble_external.

2009-04-14  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/rs6000/rs6000.c (rs6000_dwarf_register_span): Fix debug
	output for other floating point modes.

2009-04-14  Diego Novillo  <dnovillo@google.com>

	* diagnostic.c (diagnostic_report_diagnostic): Do not
	warn about loaded plugins for DK_ERROR and DK_WARNING.
	* c-decl.c (declspecs_add_type): Move call to
	invoke_plugin_callbacks ...
	* c-parser.c (c_parser_declspecs): ... here.
	* plugin.c (dump_active_plugins): Tidy output.

2009-04-14  Diego Novillo  <dnovillo@google.com>
	    Le-Chun Wu  <lcwu@google.com>

	* configure.ac: Add --enable-plugin support.
	Define ENABLE_PLUGIN and PLUGINLIBS when specified.
	* Makefile.in (PLUGIN_H): Define.
	Export ENABLE_PLUGIN and GMPINC to site.exp.
	Add PLUGINLIBS to link command.
	Add/modify dependencies for plugin.o and files including plugin.h.
	(plugin.o): New.
	* config.in: Regenerate.

	* opts.c (common_handle_option): Handle OPT_fplugin_ and
	OPT_fplugin_arg_.

2009-04-14  Le-Chun Wu  <lcwu@google.com>

	* tree-pass.h (register_one_dump_file): Add a prototype for
	register_one_dump_file.
	* toplev.c (compile_file): Call initialize_plugins.
	(do_compile): Call invoke_plugin_callbacks.
	(toplev_main): Call invoke_plugin_callbacks.
	* common.opt: Add -fplugin= and -fplugin-arg-.
	* gcc-plugin.h: New public header file for plugins to include.
	* plugin.c: New source file.
	* plugin.h: New internal header file.
	* passes.c (register_one_dump_file): Make it external.

	* c-parser.c (c_parser_declspecs): Call invoke_plugin_callbacks.

2009-04-14  Diego Novillo  <dnovillo@google.com>

	* doc/plugins.texi: New.
	* doc/gccint.texi: Add reference to Plugins chapter.
	* doc/invoke.texi: Document -fplugin and -fplugin-arg
	* diagnostic.c (diagnostic_report_diagnostic): Warn about
	loaded plugins, if any.
	* timevar.def (TV_PLUGIN_INIT): Define.
	(TV_PLUGIN_RUN): Define.
	* plugin.c: Include timevar.h
	(plugins_active_p): New.
	(dump_active_plugins): New.
	(debug_active_plugins): New.

2009-04-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sol2.h (LINK_ARCH32_SPEC_BASE): Use %R with absolute
	library paths.
	* config/sparc/sol2-bi.h (LINK_ARCH64_SPEC_BASE): Likewise.

2009-04-14  Kazu Hirata  <kazu@codesourcery.com>

	* config/arm/arm.c (arm_rtx_costs_1): Treat a minus with a shift
	the same as a minus without a shift.

2009-04-14  Nick Clifton  <nickc@redhat.com>

	* config/stormy16/stormy16.md (ineqbranch_1): Do not assume that
	comparisons with small integers will always produce a short
	branch.

2009-04-14  Rafael Avila de Espindola  <espindola@google.com>

	Merge:
	2008-12-19  Diego Novillo  <dnovillo@google.com>

	* cgraph.c (dump_cgraph_node): Show memory address of NODE.

2009-04-14  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_assign_unary): Adjust vector code
	verification.
	(verify_gimple_assign_binary): Likewise.  Handle shifts and
	rotates correctly.
	(verify_gimple_phi): Print the mismatched argument position.
	* tree-vect-loop-manip.c (vect_update_ivs_after_vectorizer):
	Fix types.
	(vect_update_init_of_dr): Likewise.
	* matrix-reorg.c (transform_access_sites): Do what the
	comment suggests.
	* omp-low.c (expand_omp_atomic_pipeline): Use the correct types.

2009-04-13  Michael Eager  <eager@eagercon.com>

	* config/rs6000/rs6000-c.c: generate defines if rs6000_xilinx_fpu:
	_XFPU, _XFPU_SP_LITE, _XFPU_SP_FULL, _XFPU_DP_LITE, _XFPU_DP_FULL
	* config/rs6000/xilinx.h: New.  Spec for powerpc-xilinx-eabi
	* config.gcc (powerpc-xilinx-eabi): add xilinx.h to tm_file,
	remove duplicate config

2009-04-13  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>

	* ipa-inline.c (cgraph_decide_inlining_of_small_function): Dump
	file_name:line_number type locator of the call site.

2009-04-13  Vladimir Makarov  <vmakarov@redhat.com>

	* genautomata.c: Put blank after comma.
	(automaton_decls): New.
	(struct unit_usage): Add comments to member next.
	(store_alt_unit_usage): Keep the list ordered.
	(unit_present_on_list_p, equal_alternatives_p): New.
	(check_regexp_units_distribution): Check units distribution
	correctness correctly.
	(main): Don't write automata if error is found.  Return correct
	exit code.

	* config/m68k/cf.md (cfv4_ds): Remove.
	(cfv4_pOEP1, cfv4_sOEP1, cfv4_pOEP2,cfv4_sOEP2, cfv4_pOEP3,
	cfv4_sOEP3): Assign to cfv4_oep instead of cfv4_ds.

	* config/rs6000/power4.md (lsuq_power4, iq_power4, fpq_power4,
	power4-load-ext, power4-store, power4-store-update,
	power4-fpstore, power4-fpstore-update, power4-two, power4-three,
	power4-insert, power4-compare, power4-lmul-cmp, power4-imul-cmp,
	power4-lmul, , power4-imul, power4-imul3, power4-sdiv,
	power4-sqrt, power4-isync): Modify reservation to make correct
	unit distribution to automata.

	* config/rs6000/power5.md (iq_power5, fpq_power5, power5-store,
	power5-store-update, power5-two, power5-three, power5-lmul,
	power5-imul, power5-imul3, power5-sdiv, power5-sqrt): Ditto.

2009-04-13  Adam Nemet  <anemet@caviumnetworks.com>

	* except.c (pass_set_nothrow_function_flags): Set name and add
	TODO_dump_func.
	(set_nothrow_function_flags): Mention in the dump file when
	changing a function to nothrow.

2009-04-13  Ozkan Sezer  <sezeroz@gmail.com>

	PR/39066
	* gbl-ctors.h (DO_GLOBAL_CTORS_BODY): Use __SIZE_TYPE__
	instead of unsigned long.

2009-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.c (return_used_this_function): Remove.
	(arm_output_function_prologue): Remove use of
	return_used_this_function.
	(output_return_instruction): Replace use of
	return_used_this_function
	by cfun->machine->return_used_this_function.
	(arm_output_epilogue): Likewise.
	(arm_output_function_epilogue): Likewise.
	(thumb_unexpanded_epilogue): Likewise.
	* config/arm/arm.h (struct machine_function):
	New member return_used_this_function.

2009-04-12  Mark Mitchell  <mark@codesourcery.com>

	* doc/install.texi: Correct description of default directory for
	--with-gxx-include-dir.

2009-04-12  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (build_range_check): Properly deal with enumeral and
	boolean base types.

2009-04-12  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi (max_gcse_passes): Remove documentation.
	* params.def (PARAM_MAX_GCSE_PASSES): Remove.
	* params.h (MAX_GCSE_PASSES): Remove.
	* gcse.c (gcse_main): Run CPROP1, PRE or HOIST, and CPROP2
	in sequence.  Remove ability to run multiple passes.
	(bypass_jumps): Report run as third CPROP pass.

2009-04-12  Adam Nemet  <anemet@caviumnetworks.com>

	PR middle-end/39651
	* except.c (can_throw_external): Look at each insn in a SEQUENCE
	when deciding whether the whole SEQUENCE can throw.

2009-04-12  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39740
	* config/alpha/predicates.md (local_symbolic_operand): Return 1 for
	offseted label references.

2009-04-11  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-pre.c (eliminate): Fix call of update_stmt.

2009-04-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39732
	* tree-inline.c (declare_return_variable): Mark DECL_BY_REFERENCE
	return variables as TREE_ADDRESSABLE.

2009-04-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39713
	* tree-ssa-sccvn.c (vn_get_expr_for): Make sure built
	reference trees have SSA_NAME operands.

2009-04-11  Richard Guenther  <rguenther@suse.de>

	PR c/39712
	* c-gimplify.c (c_gimplify_expr): Adjust check for mismatched
	address expressions.

2009-04-11  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config/i386/cygwin-stdint.h (INT_LEAST32_TYPE):  Update to
	match changes in Cygwin 1.7
	(UINT_LEAST32_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE,
	UINT_FAST16_TYPE, UINT_FAST32_TYPE):  Likewise.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/39701
	* doc/invoke.texi (Optimization Options): Document change in
	meaning and initialization of -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/39701
	* common.opt (-fdelete-null-pointer-checks): Initialize to 1.

	* opts.c (decode_options): Don't set flag_delete_null_pointer_checks
	here.

	* doc/invoke.texi: Update -fdelete-null-pointer-checks.

2009-04-10  Chao-ying Fu  <fu@mips.com>

	* doc/tm.texi (Instruction Output): Document
	TARGET_ASM_FINAL_POSTSCAN_INSN.
	* target.h (final_postscan_insn): New field in asm_out.
	* target-def.h (TARGET_ASM_FINAL_POSTSCAN_INSN): New define.
	(TARGET_ASM_OUT): Add TARGET_ASM_FINAL_POSTSCAN_INSN.
	* final.c (final_scan_insn): Call
	targetm.asm_out.final_postscan_insn after outputting
	an asm macro and a normal instruction.

	* config/mips/mips.h (FINAL_PRESCAN_INSN): New define.
	* config/mips/mips-protos.h (mips_final_prescan_insn): Declare.
	* config/mips/mips.c (mips_at_reg_p): New for_each_rtx callback.
	(mips_final_prescan_insn, mips_final_postscan_insn): New functions.
	(TARGET_ASM_FINAL_POSTSCAN_INSN): New define.

2009-04-10  Paolo Bonzini  <bonzini@gnu.org>

	PR middle-end/39701
	* fold-const.c (tree_single_nonzero_warnv_p): Pass non-static
	variables as non-NULL even with -fdelete-null-pointer-checks.

2009-04-10  H.J. Lu  <hongjiu.lu@intel.com>

	* config/rs6000/darwin-vecsave.asm: Remove extra "*/".

2009-04-09  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39678
	* config/i386/i386.c (classify_argument): Handle SCmode with
	(bit_offset % 64) != 0.

2009-04-09  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Optimize Options): Add cross-reference to
	-Q --help=optimizers examples.

2009-04-10  Ben Elliston  <bje@au.ibm.com>

	PR target/36800
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Do not set
	regalign for the reg == fpr and TDmode case.

2009-04-09  David Ayers  <ayers@fsfe.org>

	PR objc/29200
	* objc/objc-act.c (warn_with_method): Remove helper function.
	(check_duplicates): Call warning and inform directly.
	(really_start_method): Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

	* expmed.c (expand_divmod): Always use a comparison for a division
	by a large unsigned integer.

	* fold-const.c (tree_single_nonzero_warnv_p): Always treat decls
	for things others than variables or functions as nonzero.

2009-04-09  Nick Clifton  <nickc@redhat.com>

	* unwind-compat.c: Change copyright header to refer to version
	3 of the GNU General Public License with version 3.1 of the
	GCC Runtime Library Exception and to point readers at the
	COPYING3 and COPYING3.RUNTIME files and the FSF's license web page.
	* config/alpha/crtfastmath.c: Likewise.
	* config/alpha/linux-unwind.h: Likewise.
	* config/alpha/qrnnd.asm: Likewise.
	* config/alpha/vms-crt0-64.c: Likewise.
	* config/alpha/vms-crt0.c: Likewise.
	* config/alpha/vms-dwarf2.asm: Likewise.
	* config/alpha/vms-dwarf2eh.asm: Likewise.
	* config/alpha/vms-psxcrt0-64.c: Likewise.
	* config/alpha/vms-psxcrt0.c: Likewise.
	* config/alpha/vms_tramp.asm: Likewise.
	* config/arc/initfini.c: Likewise.
	* config/arc/lib1funcs.asm: Likewise.
	* config/arm/bpabi-v6m.S: Likewise.
	* config/arm/bpabi.S: Likewise.
	* config/arm/bpabi.c: Likewise.
	* config/arm/crti.asm: Likewise.
	* config/arm/crtn.asm: Likewise.
	* config/arm/ieee754-df.S: Likewise.
	* config/arm/ieee754-sf.S: Likewise.
	* config/arm/lib1funcs.asm: Likewise.
	* config/arm/libunwind.S: Likewise.
	* config/arm/linux-atomic.c: Likewise.
	* config/arm/mmintrin.h: Likewise.
	* config/arm/pr-support.c: Likewise.
	* config/arm/unaligned-funcs.c: Likewise.
	* config/arm/unwind-arm.c: Likewise.
	* config/arm/unwind-arm.h: Likewise.
	* config/avr/libgcc.S: Likewise.
	* config/bfin/crti.s: Likewise.
	* config/bfin/crtlibid.s: Likewise.
	* config/bfin/crtn.s: Likewise.
	* config/bfin/lib1funcs.asm: Likewise.
	* config/bfin/linux-unwind.h: Likewise.
	* config/cris/arit.c: Likewise.
	* config/cris/cris_abi_symbol.c: Likewise.
	* config/darwin-64.c: Likewise.
	* config/darwin-crt2.c: Likewise.
	* config/darwin-crt3.c: Likewise.
	* config/darwin.h: Likewise.
	* config/dbxelf.h: Likewise.
	* config/dfp-bit.c: Likewise.
	* config/dfp-bit.h: Likewise.
	* config/elfos.h: Likewise.
	* config/fixed-bit.c: Likewise.
	* config/fixed-bit.h: Likewise.
	* config/fp-bit.c: Likewise.
	* config/fp-bit.h: Likewise.
	* config/fr30/crti.asm: Likewise.
	* config/fr30/crtn.asm: Likewise.
	* config/fr30/lib1funcs.asm: Likewise.
	* config/freebsd-spec.h: Likewise.
	* config/frv/cmovd.c: Likewise.
	* config/frv/cmovh.c: Likewise.
	* config/frv/cmovw.c: Likewise.
	* config/frv/frvbegin.c: Likewise.
	* config/frv/frvend.c: Likewise.
	* config/frv/lib1funcs.asm: Likewise.
	* config/glibc-stdint.h: Likewise.
	* config/h8300/clzhi2.c: Likewise.
	* config/h8300/crti.asm: Likewise.
	* config/h8300/crtn.asm: Likewise.
	* config/h8300/ctzhi2.c: Likewise.
	* config/h8300/fixunssfsi.c: Likewise.
	* config/h8300/lib1funcs.asm: Likewise.
	* config/h8300/parityhi2.c: Likewise.
	* config/h8300/popcounthi2.c: Likewise.
	* config/i386/ammintrin.h: Likewise.
	* config/i386/att.h: Likewise.
	* config/i386/avxintrin.h: Likewise.
	* config/i386/biarch64.h: Likewise.
	* config/i386/bmmintrin.h: Likewise.
	* config/i386/cpuid.h: Likewise.
	* config/i386/cross-stdarg.h: Likewise.
	* config/i386/crtfastmath.c: Likewise.
	* config/i386/crtprec.c: Likewise.
	* config/i386/cygming-crtbegin.c: Likewise.
	* config/i386/cygming-crtend.c: Likewise.
	* config/i386/cygwin.asm: Likewise.
	* config/i386/emmintrin.h: Likewise.
	* config/i386/gmm_malloc.h: Likewise.
	* config/i386/gthr-win32.c: Likewise.
	* config/i386/i386.h: Likewise.
	* config/i386/immintrin.h: Likewise.
	* config/i386/linux-unwind.h: Likewise.
	* config/i386/linux64.h: Likewise.
	* config/i386/mm3dnow.h: Likewise.
	* config/i386/mmintrin-common.h: Likewise.
	* config/i386/mmintrin.h: Likewise.
	* config/i386/nmmintrin.h: Likewise.
	* config/i386/pmm_malloc.h: Likewise.
	* config/i386/pmmintrin.h: Likewise.
	* config/i386/smmintrin.h: Likewise.
	* config/i386/sol2-c1.asm: Likewise.
	* config/i386/sol2-ci.asm: Likewise.
	* config/i386/sol2-cn.asm: Likewise.
	* config/i386/sol2-gc1.asm: Likewise.
	* config/i386/tmmintrin.h: Likewise.
	* config/i386/unix.h: Likewise.
	* config/i386/w32-unwind.h: Likewise.
	* config/i386/wmmintrin.h: Likewise.
	* config/i386/x86-64.h: Likewise.
	* config/i386/x86intrin.h: Likewise.
	* config/i386/xmmintrin.h: Likewise.
	* config/ia64/crtbegin.asm: Likewise.
	* config/ia64/crtend.asm: Likewise.
	* config/ia64/crtfastmath.c: Likewise.
	* config/ia64/crti.asm: Likewise.
	* config/ia64/crtn.asm: Likewise.
	* config/ia64/fde-glibc.c: Likewise.
	* config/ia64/lib1funcs.asm: Likewise.
	* config/ia64/linux-unwind.h: Likewise.
	* config/ia64/quadlib.c: Likewise.
	* config/ia64/unwind-ia64.c: Likewise.
	* config/linux.h: Likewise.
	* config/m32c/m32c-lib1.S: Likewise.
	* config/m32c/m32c-lib2-trapv.c: Likewise.
	* config/m32c/m32c-lib2.c: Likewise.
	* config/m32r/initfini.c: Likewise.
	* config/m68hc11/larith.asm: Likewise.
	* config/m68hc11/m68hc11-crt0.S: Likewise.
	* config/m68k/cf.md: Likewise.
	* config/m68k/crti.s: Likewise.
	* config/m68k/crtn.s: Likewise.
	* config/m68k/lb1sf68.asm: Likewise.
	* config/m68k/linux-unwind.h: Likewise.
	* config/mcore/crti.asm: Likewise.
	* config/mcore/crtn.asm: Likewise.
	* config/mcore/lib1.asm: Likewise.
	* config/mips/linux-unwind.h: Likewise.
	* config/mips/loongson.h: Likewise.
	* config/mips/mips16.S: Likewise.
	* config/mmix/crti.asm: Likewise.
	* config/mmix/crtn.asm: Likewise.
	* config/pa/fptr.c: Likewise.
	* config/pa/hpux-unwind.h: Likewise.
	* config/pa/lib2funcs.asm: Likewise.
	* config/pa/linux-atomic.c: Likewise.
	* config/pa/linux-unwind.h: Likewise.
	* config/pa/milli64.S: Likewise.
	* config/pa/quadlib.c: Likewise.
	* config/pa/stublib.c: Likewise.
	* config/picochip/libgccExtras/adddi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashlsi3.c: Likewise.
	* config/picochip/libgccExtras/ashrsi3.asm: Likewise.
	* config/picochip/libgccExtras/ashrsi3.c: Likewise.
	* config/picochip/libgccExtras/cmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/divmod15.asm: Likewise.
	* config/picochip/libgccExtras/divmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/divmodsi4.asm: Likewise.
	* config/picochip/libgccExtras/longjmp.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.asm: Likewise.
	* config/picochip/libgccExtras/lshrsi3.c: Likewise.
	* config/picochip/libgccExtras/parityhi2.asm: Likewise.
	* config/picochip/libgccExtras/popcounthi2.asm: Likewise.
	* config/picochip/libgccExtras/setjmp.asm: Likewise.
	* config/picochip/libgccExtras/subdi3.asm: Likewise.
	* config/picochip/libgccExtras/ucmpsi2.asm: Likewise.
	* config/picochip/libgccExtras/udivmodhi4.asm: Likewise.
	* config/picochip/libgccExtras/udivmodsi4.asm: Likewise.
	* config/rs6000/750cl.h: Likewise.
	* config/rs6000/altivec.h: Likewise.
	* config/rs6000/biarch64.h: Likewise.
	* config/rs6000/crtresfpr.asm: Likewise.
	* config/rs6000/crtresgpr.asm: Likewise.
	* config/rs6000/crtresxfpr.asm: Likewise.
	* config/rs6000/crtresxgpr.asm: Likewise.
	* config/rs6000/crtsavfpr.asm: Likewise.
	* config/rs6000/crtsavgpr.asm: Likewise.
	* config/rs6000/darwin-asm.h: Likewise.
	* config/rs6000/darwin-fallback.c: Likewise.
	* config/rs6000/darwin-fpsave.asm: Likewise.
	* config/rs6000/darwin-ldouble.c: Likewise.
	* config/rs6000/darwin-tramp.asm: Likewise.
	* config/rs6000/darwin-unwind.h: Likewise.
	* config/rs6000/darwin-vecsave.asm: Likewise.
	* config/rs6000/darwin-world.asm: Likewise.
	* config/rs6000/e500crtres32gpr.asm: Likewise.
	* config/rs6000/e500crtres64gpr.asm: Likewise.
	* config/rs6000/e500crtres64gprctr.asm: Likewise.
	* config/rs6000/e500crtrest32gpr.asm: Likewise.
	* config/rs6000/e500crtrest64gpr.asm: Likewise.
	* config/rs6000/e500crtresx32gpr.asm: Likewise.
	* config/rs6000/e500crtresx64gpr.asm: Likewise.
	* config/rs6000/e500crtsav32gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gpr.asm: Likewise.
	* config/rs6000/e500crtsav64gprctr.asm: Likewise.
	* config/rs6000/e500crtsavg32gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gpr.asm: Likewise.
	* config/rs6000/e500crtsavg64gprctr.asm: Likewise.
	* config/rs6000/eabi-ci.asm: Likewise.
	* config/rs6000/eabi-cn.asm: Likewise.
	* config/rs6000/eabi.asm: Likewise.
	* config/rs6000/linux-unwind.h: Likewise.
	* config/rs6000/linux64.h: Likewise.
	* config/rs6000/paired.h: Likewise.
	* config/rs6000/paired.md: Likewise.
	* config/rs6000/ppc64-fp.c: Likewise.
	* config/rs6000/ppu_intrinsics.h: Likewise.
	* config/rs6000/rs6000.h: Likewise.
	* config/rs6000/si2vmx.h: Likewise.
	* config/rs6000/sol-ci.asm: Likewise.
	* config/rs6000/sol-cn.asm: Likewise.
	* config/rs6000/spe.h: Likewise.
	* config/rs6000/spu2vmx.h: Likewise.
	* config/rs6000/sysv4.h: Likewise.
	* config/rs6000/tramp.asm: Likewise.
	* config/rs6000/vec_types.h: Likewise.
	* config/s390/linux-unwind.h: Likewise.
	* config/s390/tpf-unwind.h: Likewise.
	* config/score/crti.asm: Likewise.
	* config/score/crtn.asm: Likewise.
	* config/sh/crt1.asm: Likewise.
	* config/sh/crti.asm: Likewise.
	* config/sh/crtn.asm: Likewise.
	* config/sh/divtab-sh4-300.c: Likewise.
	* config/sh/divtab-sh4.c: Likewise.
	* config/sh/divtab.c: Likewise.
	* config/sh/lib1funcs-4-300.asm: Likewise.
	* config/sh/lib1funcs-Os-4-200.asm: Likewise.
	* config/sh/lib1funcs.asm: Likewise.
	* config/sh/lib1funcs.h: Likewise.
	* config/sh/linux-atomic.asm: Likewise.
	* config/sh/linux-unwind.h: Likewise.
	* config/sh/shmedia.h: Likewise.
	* config/sh/sshmedia.h: Likewise.
	* config/sh/ushmedia.h: Likewise.
	* config/sparc/crtfastmath.c: Likewise.
	* config/sparc/linux-unwind.h: Likewise.
	* config/sparc/sol2-c1.asm: Likewise.
	* config/sparc/sol2-ci.asm: Likewise.
	* config/sparc/sol2-cn.asm: Likewise.
	* config/spu/divmodti4.c: Likewise.
	* config/spu/divv2df3.c: Likewise.
	* config/spu/float_disf.c: Likewise.
	* config/spu/float_unsdidf.c: Likewise.
	* config/spu/float_unsdisf.c: Likewise.
	* config/spu/float_unssidf.c: Likewise.
	* config/spu/mfc_multi_tag_release.c: Likewise.
	* config/spu/mfc_multi_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_release.c: Likewise.
	* config/spu/mfc_tag_reserve.c: Likewise.
	* config/spu/mfc_tag_table.c: Likewise.
	* config/spu/multi3.c: Likewise.
	* config/spu/spu_internals.h: Likewise.
	* config/spu/spu_intrinsics.h: Likewise.
	* config/spu/spu_mfcio.h: Likewise.
	* config/spu/vec_types.h: Likewise.
	* config/spu/vmx2spu.h: Likewise.
	* config/stormy16/stormy16-lib2.c: Likewise.
	* config/svr4.h: Likewise.
	* config/sync.c: Likewise.
	* config/v850/lib1funcs.asm: Likewise.
	* config/vxlib-tls.c: Likewise.
	* config/vxlib.c: Likewise.
	* config/vxworks-dummy.h: Likewise.
	* config/xtensa/crti.asm: Likewise.
	* config/xtensa/crtn.asm: Likewise.
	* config/xtensa/ieee754-df.S: Likewise.
	* config/xtensa/ieee754-sf.S: Likewise.
	* config/xtensa/lib1funcs.asm: Likewise.
	* config/xtensa/lib2funcs.S: Likewise.
	* config/xtensa/linux-unwind.h: Likewise.
	* config/xtensa/unwind-dw2-xtensa.c: Likewise.
	* config/xtensa/unwind-dw2-xtensa.h: Likewise.
	* coretypes.h: Likewise.
	* crtstuff.c: Likewise.
	* defaults.h: Likewise.
	* dwarf2.h: Likewise.
	* emutls.c: Likewise.
	* gbl-ctors.h: Likewise.
	* gcov-io.h: Likewise.
	* ginclude/float.h: Likewise.
	* ginclude/iso646.h: Likewise.
	* ginclude/stdarg.h: Likewise.
	* ginclude/stdbool.h: Likewise.
	* ginclude/stddef.h: Likewise.
	* ginclude/stdfix.h: Likewise.
	* ginclude/stdint-gcc.h: Likewise.
	* ginclude/tgmath.h: Likewise.
	* gthr-aix.h: Likewise.
	* gthr-dce.h: Likewise.
	* gthr-gnat.c: Likewise.
	* gthr-gnat.h: Likewise.
	* gthr-lynx.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix.c: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.
	* gthr.h: Likewise.
	* libgcc2.c: Likewise.
	* libgcc2.h: Likewise.
	* libgcov.c: Likewise.
	* tsystem.h: Likewise.
	* typeclass.h: Likewise.
	* unwind-c.c: Likewise.
	* unwind-compat.h: Likewise.
	* unwind-dw2-fde-compat.c: Likewise.
	* unwind-dw2-fde-darwin.c: Likewise.
	* unwind-dw2-fde-glibc.c: Likewise.
	* unwind-dw2-fde.c: Likewise.
	* unwind-dw2-fde.h: Likewise.
	* unwind-dw2.c: Likewise.
	* unwind-dw2.h: Likewise.
	* unwind-generic.h: Likewise.
	* unwind-pe.h: Likewise.
	* unwind-sjlj.c: Likewise.
	* unwind.inc: Likewise.
	* config/arm/neon-gen.ml: Change generated copyright header to
	refer to version 3 of the GNU General Public License with
	version 3.1 of the GCC Runtime Library Exception and to point
	readers at the COPYING3 and COPYING3.RUNTIME files and the
	FSF's license web page.
	* config/arm/arm_neon.h: Regenerate.

2009-04-09  Jakub Jelinek  <jakub@redhat.com>

	* config/cris/cris.md: Change copyright header to refer to version
	3 of the GNU General Public License.
	* doc/install.texi2html: Change copyright header to refer to version
	3 of the GNU General Public License and to point readers at the
	COPYING3 file and the FSF's license web page.
	* config/vax/linux.h: Likewise.

2009-04-09  Paolo Bonzini  <bonzini@gnu.org>

	* config/i386/i386.md (cmpcc): New.
	* config/i386/sync.md (sync_compare_and_swap*): Set FLAGS_REG.
	(sync_compare_and_swap_cc*): Delete.

	* config/s390/s390.c (s390_compare_emitted): Remove.
	(s390_emit_compare): Handle MODE_CC s390_compare_op0 like
	s390_compare_emitted used to be handled.  Assert that modes match.
	(s390_emit_compare_and_swap): Use s390_emit_compare, do not
	refer to sync_compare_and_swap_ccsi.
	* config/s390/s390.h (s390_compare_emitted): Remove.
	* config/s390/s390.md (seq): Look for MODE_CC s390_compare_op0
	instead of s390_compare_emitted.
	(stack_protect_test, sync_compare_and_swap_cc): Set s390_compare_op0
	instead of s390_compare_emitted.
	* config/s390/s390.md (cmpcc): New.
	(sync_compare_and_swapqi, sync_compare_and_swaphi): Clobber
	CC_REGNUM, do not pretend it's set.
	(sync_compare_and_swap_cc*): Delete.
	* config/s390/predicates.md (cc_reg_operand): New.

	* expr.c (sync_compare_and_swap_cc): Delete.
	* optabs.h (sync_compare_and_swap_cc): Delete.
	* optabs.c (prepare_cmp_insn): Ignore which specific CCmode
	is being used with can_compare_p.
	(emit_cmp_and_jump_insn_1): Likewise when looking in the optab.
	(find_cc_set): New.
	(expand_bool_compare_and_swap): Do not use sync_compare_and_swap_cc,
	look for a MODE_CC set instead.  Use emit_store_flag.
	(expand_compare_and_swap_loop): Likewise, with some additional
	complication to avoid a force_reg when useless.  Use
	emit_cmp_and_jump_insns.
	* genopinit.c (optabs): Delete sync_compare_and_swap_cc.
	* doc/md.texi (sync_compare_and_swap_cc): Merge with
	sync_compare_and_swap documentation.

2009-04-09  Jan Hubicka  <jh@suse.cz>

	* except.c (find_prev_try): Break out from ....
	(duplicate_eh_regions): ... here; properly update prev_try pointers
	when duplication part of tree.
	(dump_eh_tree): Improve dumping.
	(verify_eh_region): New.
	(verify_eh_tree): Use it.

2009-04-06  Richard Guenther  <rguenther@suse.de>

	* c-gimplify.c (c_gimplify_expr): Fix the invalid GENERIC
	&ARRAY addresses by adjusting their types and prepending
	a conversion.
	* tree-cfg.c (verify_gimple_assign_single): Verify that
	addresses are correct.

2009-04-09  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
	indices into an array reference if possible.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Fold POINTER_PLUS_EXPR statements with invariant address.

2009-04-09  Alan Modra  <amodra@bigpond.net.au>

	PR target/39634
	* config.gcc (powerpc64-*-linux*): Always build biarch.

2009-04-09  Joseph Myers  <joseph@codesourcery.com>

	PR c/39613
	* c-typeck.c (do_case): If case label is not an INTEGER_CST, fold
	it and pedwarn if this results in an INTEGER_CST.

2009-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* doc/install.texi: Update minimum GMP version.  Remove obsolete
	text in MPFR section.

2009-04-08  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (class_scope_p): New static inline.
	(class_or_namespace_scope_p): Use it.
	(gen_variable_die): Use DW_TAG_member tag for static data member
	declarations instead of DW_TAG_variable.

	PR middle-end/39573
	* omp-low.c (expand_omp_taskreg): Finalize taskreg static local_decls
	variables.

2009-04-08  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (valueize_refs): Do not continue to
	valueize random data.

2009-04-08  David Edelsohn  <edelsohn@gnu.org>

	* config.gcc (aix tm_file):  Add aix-stdint.h.
	(aix tm clause use_gcc_stdint):  Set to wrap.
	* config/rs6000/aix-stdint.h:  New file.

2009-04-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/36291
	* tree-dfa.c (add_referenced_var): Do not recurse into
	global initializers.
	* tree-ssa-ccp.c (get_symbol_constant_value): Add newly
	exposed variables.
	(fold_const_aggregate_ref): Likewise.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

	* recog.c (ordered_comparison_operator): New.
	* gensupport.c (std_preds): Add it.
	* doc/md.texi (Machine-Independent Predicates): Document it.

2009-04-08  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (cleanup_eh): When not optimizing, do not try EH merging.
	* function.h (rtl_eh): Remove exception_handler_label_map.
	* except.c (ehl_hash, ehl_eq, add_ehl_entry,
	remove_exception_handler_label, for_each_eh_label_1): Remove.
	(rtl_remove_unreachable_regions): Remove.
	(convert_from_eh_region_ranges): Do not remove unreachable regions.
	(find_exception_handler_labels): Don't build the hashtable.
	(maybe_remove_eh_handler): Remove.
	(for_each_eh_label): Rewrite to walk the tree.
	(rest_of_handle_eh): Do not cleanup cfg prior EH construction.
	* except.h (maybe_remove_eh_handler): Remove.
	* passes.c (init_optimization_passes): Schedule second EH cleanup
	before out-of-ssa.
	* cfgrtl.c (rtl_delete_block, rtl_merge_blocks,
	cfg_layout_merge_blocks): Do not call maybe_remove_eh_handler.

2009-04-08  Paolo Bonzini  <bonzini@gnu.org>

	* genoutput.c (validate_optab_operands): New.
	(gen_insn, gen_expand): Call it.

	* genflags.c (gen_insn): Detect misused iterators.
	(main): Pass line_no to gen_insn, exit with status 1 on error.

	* genextract.c (line_no): Make global.
	(VEC_safe_set_locstr): Change assertion to error message.
	(main): Exit with status 1 on error.

2009-04-08  Joseph Myers  <joseph@codesourcery.com>

	PR c/39614
	PR c/39673
	* c-common.h (C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
	C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
	EXPR_INT_CONST_OPERANDS): Remove duplicate definitions.
	* c-convert.c (convert): Do not call fold on results of conversion
	functions when the result is a C_MAYBE_CONST_EXPR.
	* c-parser.c (c_parser_postfix_expression): Do not fold condition
	of __builtin_choose_expr.
	* c-typeck.c (remove_c_maybe_const_expr): New.
	(build_unary_op, build_conditional_expr, build_compound_expr,
	build_binary_op, c_objc_common_truthvalue_conversion): Call
	remove_c_maybe_const_expr on any input C_MAYBE_CONST_EXPR with
	integer operands.

2009-04-08  Bingfeng Mei  <bmei@broadcom.com>

	* fold-const.c (const_binop): Combine two VECTOR_CST under operation
	CODE to produce a new one. Add a prototype to use fold_convert_const

2009-04-08  Danny Smith  <dannysmith@users.sourceforge.net>

	PR bootstrap/39660
	* config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Don't
	mix declarations and code.

2009-04-08  Ben Elliston  <bje@au.ibm.com>

	* gcc.c: Replace `CC' with `GCC' throughout.

2009-04-07  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/invoke.texi: Document Atom support.

2009-04-07  Jason Merrill  <jason@redhat.com>

	PR c++/25185
	* c-common.h, c-common.c: Add flag_pretty_templates.
	* c-opts.c (c_common_handle_option): Set it.
	* c.opt: Add -fno-pretty-templates.
	* doc/invoke.texi (C++ Dialect Options): Likewise.

2009-04-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/ia64/ia64.c (ia64_builtins): Add IA64_BUILTIN_HUGE_VALQ.
	(ia64_init_builtins): Handle IA64_BUILTIN_HUGE_VALQ.
	(ia64_expand_builtin): Likewise.

2009-04-07  Martin Jambor  <mjambor@suse.cz>

	* tree-ssa-alias.c (refs_may_alias_p_1): Check for
	is_gimple_min_invariant rather than CONSTANT_CLASS_P so that invariant
	ADDR_EXPRS are include too.

2009-04-07  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Non-aliased
	decls are only used if passes as parameters or if they are
	local statics and the call is not to a builtin.
	(call_may_clobber_ref_p_1): Likewise.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (do_store_flag): Remove last argument.  Simplify code
	to avoid duplication of tests already done by can_compare_p.
	(expand_expr_real_1): Adjust caller.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* optabs.c (can_compare_p): Test the predicate of a
	cbranch and cstore pattern.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* expr.c (convert_move): Use emit_store_flag instead of
	"emulating" it.

2009-04-07  Paolo Bonzini  <bonzini@gnu.org>

	* config/i386/i386.c (ix86_compare_emitted): Remove.
	(ix86_expand_compare, ix86_expand_branch): Handle MODE_CC
	ix86_compare_op0 like ix86_compare_emitted used to be handled.
	* config/i386/i386.h (ix86_compare_emitted): Remove.
	* config/i386/i386.md (stack_protect_test): Set ix86_compare_op0
	instead of ix86_compare_emitted.
	* config/i386/sync.md (sync_compare_and_swap_cc): Likewise.

2009-04-07  Andrew Stubbs  <ams@codesourcery.com>

	* config.gcc (sh-*-*): Add sysroot-suffix.h to tm_file.
	Add t-sysroot-suffix to tmake_file.
	* config/print-sysroot-suffix.sh: New file.
	* config/t-sysroot-suffix: New file.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

	* libgcc2.c (INFINITY): Use __builtin_huge_val, not __builtin_inf,
	as the latter produces a warning when the target does not support
	infinity.

2009-04-07  Ben Elliston  <bje@au.ibm.com>

	* dfp.c: Replace type punning assignments with memcpy throughout.
	* Makefile.in (dfp.o-warn): Remove.

2009-04-07  Alan Modra  <amodra@bigpond.net.au>

	PR target/39634
	* config.gcc: Merge powerpc-*-linux* and powerpc64-*-linux*.
	Include soft-fp/t-softfp after rs6000/t-linux64.

2009-04-06  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (set_sizetype): Use the full precision of their
	machine mode for bitsize types.

2009-04-06  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md: Revert 2 accidental checkins.

2009-04-06  Joey Ye  <joey.ye@intel.com>
	    Xuepeng Guo  <xuepeng.guo@intel.com>
	    H.J. Lu  <hongjiu.lu@intel.com>

	Atom pipeline model, tuning and insn selection.
	* config.gcc (atom): Add atom config options and target.

	* config/i386/atom.md: New.

	* config/i386/i386.c (atom_cost): New cost.
	(m_ATOM): New macro flag.
	(initial_ix86_tune_features): Set m_ATOM.
	(x86_accumulate_outgoing_args): Likewise.
	(x86_arch_always_fancy_math_387): Likewise.
	(processor_target): Add Atom cost.
	(cpu_names): Add Atom cpu name.
	(override_options): Set Atom ISA.
	(ix86_issue_rate): New case PROCESSOR_ATOM.
	(ix86_adjust_cost): Likewise.

	* config/i386/i386.h (TARGET_ATOM): New target macro.
	(ix86_tune_indices): Add X86_TUNE_OPT_AGU.
	(TARGET_OPT_AGU): New target option.
	(target_cpu_default): Add TARGET_CPU_DEFAULT_atom.
	(processor_type): Add PROCESSOR_ATOM.

	* config/i386/i386.md (cpu): Add new value "atom".
	(use_carry, movu): New attr.
	(atom.md): Include atom.md.
	(adddi3_carry_rex64): Set attr "use_carry".
	(addqi3_carry): Likewise.
	(addhi3_carry): Likewise.
	(addsi3_carry): Likewise.
	(*addsi3_carry_zext): Likewise.
	(subdi3_carry_rex64): Likewise.
	(subqi3_carry): Likewise.
	(subhi3_carry): Likewise.
	(subsi3_carry): Likewise.
	(x86_movdicc_0_m1_rex64): Likewise.
	(*x86_movdicc_0_m1_se): Likewise.
	(x86_movsicc_0_m1): Likewise.
	(*x86_movsicc_0_m1_se): Likewise.
	(*adddi_1_rex64): Emit add insn as much as possible.
	(*addsi_1): Likewise.
	(return_internal): Set atom_unit.
	(return_internal_long): Likewise.
	(return_pop_internal): Likewise.
	(*rcpsf2_sse): Set atom_sse_attr attr.
	(*qrt<mode>2_sse): Likewise.
	(*prefetch_sse): Likewise.

	* config/i386/i386-c.c (ix86_target_macros_internal): New case
	PROCESSOR_ATOM.
	(ix86_target_macros_internal): Likewise.

	* config/i386/sse.md (cpu): Set attr "atom_sse_attr".
	(*prefetch_sse_rex): Likewise.
	(sse_rcpv4sf2): Likewise.
	(sse_vmrcpv4sf2): Likewise.
	(sse_sqrtv4sf2): Likewise.
	(<sse>_vmsqrt<mode>2): Likewise.
	(sse_ldmxcsr): Likewise.
	(sse_stmxcsr): Likewise.
	(*sse_sfence): Likewise.
	(sse2_clflush): Likewise.
	(*sse2_mfence): Likewise.
	(*sse2_lfence): Likewise.
	(avx_movup<avxmodesuffixf2c><avxmodesuffix>): Set attr "movu".
	(<sse>_movup<ssemodesuffixf2c>): Likewise.
	(avx_movdqu<avxmodesuffix>): Likewise.
	(avx_lddqu<avxmodesuffix>): Likewise.
	(sse2_movntv2di): Change attr "type" to "ssemov".
	(sse2_movntsi): Likewise.
	(rsqrtv8sf2): Change attr "type" to "sseadd".
	(sse3_addsubv2df3): Set attr "atom_unit".
	(sse3_h<plusminus_insn>v4sf3): Likewise.
	(*sse2_pmaddwd): Likewise.
	(*vec_extractv2di_1_rex64): Likewise.
	(*vec_extractv2di_1_avx): Likewise.
	(sse2_psadbw): Likewise.
	(ssse3_phaddwv8hi3): Likewise.
	(ssse3_phaddwv4hi3): Likewise.
	(ssse3_phadddv4si3): Likewise.
	(ssse3_phadddv2si3): Likewise.
	(ssse3_phaddswv8hi3): Likewise.
	(ssse3_phaddswv4hi3): Likewise.
	(ssse3_phsubwv8hi3): Likewise.
	(ssse3_phsubwv4hi3): Likewise.
	(ssse3_phsubdv4si3): Likewise.
	(ssse3_phsubdv2si3): Likewise.
	(ssse3_phsubswv8hi3): Likewise.
	(ssse3_phsubswv4hi3): Likewise.
	(ssse3_pmaddubsw128): Likewise.
	(sse3_pmaddubsw: Likewise.
	(ssse3_palignrti): Likewise.
	(ssse3_palignrdi): Likewise.

2009-04-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Specific): Fix two cross-references to MinGW.

2009-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/28868
	* tree-ssa-pre.c (inserted_phi_names): New bitmap to keep track
	of which PHI results we inserted.
	(insert_into_preds_of_block): Record inserted PHIs.
	(eliminate): Eliminate redundant PHI nodes.
	(init_pre): Init inserted_phi_names.

2009-04-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39643
	* tree-ssa-ccp.c (ccp_fold): Fold REALPART_EXPRs and
	IMAGPART_EXPRs of complex constants.
	(execute_fold_all_builtins): If we folded a call queue
	TODO_update_address_taken.

2009-04-06  Jan Hubicka  <jh@suse.cz>

	PR middle-end/39659
	* except.c (remove_unreachable_regions): Propagate may_contain_throw
	flag.

2009-04-06  Andrew Stubbs  <ams@codesourcery.com>

	* config/sh/lib1funcs.asm (ic_invalidate): Move ICBI out of the
	delay slot.
	(ic_invalidate_array): Likewise.

2009-04-06  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* calls.c (emit_library_call_value_1): Fix a problem with parameter
	alignment for library calls.

2009-04-06  Danny Smith  <dannysmith@users.sourceforge.net>

	* config.gcc (mingw32 tm_file):  Add mingw-stdint.h.
	(mingw32 tm clause use_gcc_stdint):  Set to wrap.
	* config/i386/mingw-stdint.h:  New file.

2009-04-05  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39648
	* tree-ssa-sccvn.c (vn_reference_fold_indirect): Work around
	our &A vs. &A[0] IL deficiencies.

2009-04-04  Jan Hubicka  <jh@suse.cz>

	* except.c (sjlj_find_directly_reachable_regions): Be ready for
	removed toplevel regions.
	(sjlj_mark_call_sites): Likewise.

2009-04-04  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config.gcc (cygwin tm_file):  Add cygwin-stdint.h.
	(cygwin tm clause use_gcc_stdint):  Set to wrap.
	* config/i386/cygwin-stdint.h:  New file.

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (tree-ssa-copy.o): Add $(CFGLOOP_H) dependency.
	* tree-ssa-copy.c (init_copy_prop): Do not propagate through
	single-argument PHIs if we are in loop-closed SSA form.
	* tree-vect-loop-manip.c (slpeel_add_loop_guard): Pass extra guards
	for the pre-condition.
	(slpeel_tree_peel_loop_to_edge): Likewise.
	(vect_build_loop_niters): Take an optional sequence to append stmts.
	(vect_generate_tmps_on_preheader): Likewise.
	(vect_do_peeling_for_loop_bound): Take extra guards for the
	pre-condition.
	(vect_do_peeling_for_alignment): Adjust.  Unconditionally apply
	the cost model check.
	(vect_loop_versioning): Take stmt and stmt list to put pre-condition
	guards if we are going to peel.  Do not apply versioning in that case.
	* tree-vectorizer.h (vect_loop_versioning): Adjust declaration.
	(vect_do_peeling_for_loop_bound): Likewise.
	* tree-vect-loop.c (vect_transform_loop): If we are peeling for
	loop bound only record extra pre-conditions, do not apply loop
	versioning.

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-operands.c (pop_stmt_changes): Remove automatic
	renaming code.

2009-04-04  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
	last_basic_block for size of bb->index indexed array.
	* bt-load.c (compute_defs_uses_and_gen, compute_kill,
	compute_out, link_btr_uses, build_btr_def_use_webs,
	build_btr_def_use_webs, migrate_btr_defs): Likewise.

2009-04-04  Jan Hubicka  <jh@suse.cz>

	* except.c (remove_eh_handler_and_replace): Break out from ...
	(remove_eh_handler): ... here.
	(bring_to_root): New function.
	(remove_unreachable_regions): Collect MUST_NOT_THROW, unify runtime
	handled ones, bring others to root of tree.

2009-04-04  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (tree_empty_eh_handler_p): Pattern match more curefully.
	(all_phis_safe_to_merge): New function.
	(update_info): New structure.
	(make_eh_edge_and_update_phi, update_eh_edges): New functions.
	(cleanup_empty_eh): Update SSA if possible.

2009-04-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa.c (verify_ssa): With -O0 we do not need VOPs.
	* tree-ssa-operands.c (append_vdef): Do not append VOPs at -O0.
	(append_vuse): Likewise.

2009-04-04  Jakub Jelinek  <jakub@redhat.com>

	* unwind-dw2.h (_Unwind_FrameState): Add REG_UNDEFINED enum value.
	* unwind-dw2.c (execute_cfa_program): Set how to REG_UNDEFINED
	instead of REG_UNSAVED for DW_CFA_undefined.
	(uw_update_context_1): Handle REG_UNDEFINED the same as REG_UNSAVED.
	(uw_update_context): If RA column is REG_UNDEFINED, mark it as
	outermost frame.

2009-04-04  Richard Earnshaw  <rearnsha@arm.com>

	PR target/39501
	* arm.md (movsfcc): Disable if not TARGET_HARD_FLOAT.
	* testsuite/gcc.c-torture/execute/pr39501.c: New file.
	* testsuite/gcc.c-torture/execute/pr39501.x: New file.

2009-04-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/8781
	PR tree-optimization/37892
	* tree-ssa-sccvn.h (vn_reference_fold_indirect): Declare.
	* tree-ssa-sccvn.c (vn_reference_fold_indirect): New function.
	(valueize_refs): Call it for *& valueizations.
	(shared_reference_ops_from_ref): Rename to ...
	(valueize_shared_reference_ops_from_ref): ... this and valueize.
	(shared_reference_ops_from_call): Rename to ...
	(valueize_shared_reference_ops_from_call): ... this and valueize.
	(vn_reference_lookup): Update.
	(visit_reference_op_call): Likewise.
	* tree-ssa-pre.c (phi_translate_1): Fold *&.
	(eliminate): Value-replace the call address in call statements.

2009-04-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39636
	* tree-ssa-forwprop.c
	(forward_propagate_addr_into_variable_array_index): Check for
	GIMPLE_ASSIGN before accessing the rhs code.

2009-04-03  Jason Merrill  <jason@redhat.com>

	* stor-layout.c (set_sizetype): Set TYPE_CANONICAL.

2009-04-03  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.md (extendsfdf2, extendsfxf2, extenddfxf2,
	truncdfsf2, truncxfsf2, truncxfdf2, floatdixf2, fix_truncsfdi2,
	fix_truncdfdi2, fix_truncxfdi2, fix_truncxfdi2_alts, floatunsdisf2,
	floatunsdidf2, floatunsdixf2, fixuns_truncsfdi2, fixuns_truncdfdi2,
	fixuns_truncxfdi2, fixuns_truncxfdi2_alts, divsi3_internal,
	smuldi3_highpart, umuldi3_highpart, ctzdi2, *getf_exp_xf,
	divdi3_internal_lat, divdi3_internal_thr, mulditi3, *mulditi3_internal,
	umulditi3, *umulditi3_internal, addsf3, mulsf3, abssf2, negsf2,
	*nabssf2, sminsf3, smaxsf3, *maddsf4, *msubsf4, *nmulsf3, *nmaddsf4,
	*nmaddsf4_alts, divsf3, *sqrt_approx, sqrtsf2, sqrtsf2_internal_thr,
	adddf3, *adddf3_trunc, muldf3, *muldf3_trunc, absdf2, negdf2, *nabsdf2,
	smindf3, smaxdf3, *madddf4, *madddf4_trunc, *msubdf4, *msubdf4_trunc,
	*nmuldf3, *nmuldf3_trunc, *nmadddf4, *nmadddf4_alts, *nmadddf4_truncsf,
	*nmadddf4_truncsf_alts, divdf3, sqrtdf2, sqrtdf2_internal_thr, divxf3,
	sqrtxf2, sqrtxf2_internal_thr, *recip_approx):
	Use fr_reg_or_fp01_operand instead of fr_register_operand

	* config/ia64/div.md (extend<mode>rf2, truncrf<mode>2,
	recip_approx_rf, divsf3_internal_thr, divsf3_internal_lat,
	divdf3_internal_thr, divdf3_internal_lat divxf3_internal): Ditto.

2009-04-03  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/39607
	PR rtl-optimization/39631

	Revert:

	2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>
	* reload.c (push_reload, find_dummy_reload): Use df_get_live_out
	instead of DF_LR_OUT.
	* ira-lives.c (process_bb_node_lives): Ditto.
	* ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
	instead of DF_LR_{OUT,IN}.
	* ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.
	* ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-04-03  Steven Bosscher  <steven@gcc.gnu.org>

	* omp-low.c (pass_expand_omp): Don't claim to provide PROP_gimple_lomp.
	(execute_lower_omp): Always run but take the short way out if -fopenmp
	is not given.
	(gate_lower_omp): Remove, forcing the pass manager to always run the
	pass and always set PROP_gimple_lomp.
	(pass_lower_omp): Remove gate function.
	* matrix-reorg.c (pass_ipa_matrix_reorg): Don't claim to provide
	PROP_trees.  Instead, require it.
	* ipa-cp.c (pass_ipa_cp): Likewise.
	* ipa-inline.c (pass_early_inline): Don't claim to provide PROP_cfg.
	(pass_ipa_early_inline, pass_inline_parameters, pass_ipa_inline): Idem.
	* tree-profile.c (pass_tree_profile): Don't claim to provide PROP_cfg
	and PROP_gimple_leh.

2009-04-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/13146
	PR tree-optimization/23940
	PR tree-optimization/33237
	PR middle-end/33974
	PR middle-end/34093
	PR tree-optimization/36201
	PR tree-optimization/36230
	PR tree-optimization/38049
	PR tree-optimization/38207
	PR tree-optimization/38230
	PR tree-optimization/38301
	PR tree-optimization/38585
	PR middle-end/38895
	PR tree-optimization/38985
	PR tree-optimization/39299
	* tree-ssa-structalias.h: Remove.
	* tree-ssa-operands.h (NULL_USE_OPERAND_P): Make of type use_operand_p.
	(NULL_DEF_OPERAND_P): Make of type def_operand_p.
	(struct vuse_element_d): Remove.
	(struct vuse_vec_d): Likewise.
	(VUSE_VECT_NUM_ELEM, VUSE_VECT_ELEMENT_NC, VUSE_ELEMENT_PTR_NC,
	VUSE_ELEMENT_VAR_NC, VUSE_VECT_ELEMENT, VUSE_ELEMENT_PTR,
	SET_VUSE_VECT_ELEMENT, SET_VUSE_ELEMENT_VAR, SET_VUSE_ELEMENT_PTR,
	VUSE_ELEMENT_VAR): Likewise.
	(struct voptype_d): Likewise.
	(NUM_VOP_FREE_BUCKETS): Likewise.
	(struct ssa_operands): Remove vop_free_buckets and mpt_table fields.
	(struct stmt_operands_d): Remove.
	(VUSE_OP_PTR, VUSE_OP, SET_VUSE_OP, VUSE_NUM, VUSE_VECT,
	VDEF_RESULT_PTR, VDEF_RESULT, VDEF_OP_PTR, VDEF_OP, SET_VDEF_OP,
	VDEF_NUM, VDEF_VECT): Likewise.
	(copy_virtual_operands): Remove.
	(operand_build_cmp): Likewise.
	(create_ssa_artificial_load_stmt): Likewise.
	(enum ssa_op_iter_type): Remove ssa_op_iter_vdef.
	(struct ssa_operand_iterator_d): Remove vuses, vdefs, mayusesm
	vuse_index and mayuse_index members.  Pack and move done and iter_type
	members to the front.
	(SSA_OP_VMAYUSE): Remove.
	(SSA_OP_VIRTUAL_USES): Adjust.
	(FOR_EACH_SSA_VDEF_OPERAND): Remove.
	(unlink_stmt_vdef): Declare.
	(add_to_addressable_set): Remove.
	* tree-vrp.c (stmt_interesting_for_vrp): Adjust.
	(vrp_visit_stmt): Likewise.
	* doc/tree-ssa.texi (Alias analysis): Update.
	* doc/invoke.texi (max-aliased-vops): Remove docs.
	(avg-aliased-vops): Likewise.
	* tree-into-ssa.c (syms_to_rename): Remove.
	(need_to_update_vops_p): Likewise.
	(need_to_initialize_update_ssa_p): Rename to ...
	(update_ssa_initialized_fn): ... this.  Track function we are
	initialized for.
	(symbol_marked_for_renaming): Simplify.
	(add_new_name_mapping): Do not set need_to_update_vops_p.
	(dump_currdefs): Use SYMS_TO_RENAME.
	(rewrite_update_stmt): Always walk all uses/defs.
	(dump_update_ssa): Adjust.
	(init_update_ssa): Take function argument.  Track what we are
	initialized for.
	(delete_update_ssa): Reset SYMS_TO_RENAME and update_ssa_initialized_fn.
	(create_new_def_for): Initialize for cfun, assert we are initialized
	for cfun.
	(mark_sym_for_renaming): Simplify.
	(mark_set_for_renaming): Do not initialize update-ssa.
	(need_ssa_update_p): Simplify.  Take function argument.
	(name_mappings_registered_p): Assert we ask for the correct function.
	(name_registered_for_update_p): Likewise.
	(ssa_names_to_replace): Likewise.
	(release_ssa_name_after_update_ssa): Likewise.
	(update_ssa): Likewise.  Use SYMS_TO_RENAME.
	(dump_decl_set): Do not print a newline.
	(debug_decl_set): Do it here.
	(dump_update_ssa): And here.
	* tree-ssa-loop-im.c (move_computations): Adjust.
	(movement_possibility): Likewise.
	(determine_max_movement): Likewise.
	(gather_mem_refs_stmt): Likewise.
	* tree-dump.c (dequeue_and_dump): Do not handle SYMBOL_MEMORY_TAG
	or NAME_MEMORY_TAG.
	* tree-complex.c (update_all_vops): Remove.
	(expand_complex_move): Adjust.
	* tree-ssa-loop-niter.c (chain_of_csts_start): Use NULL_TREE.
	Simplify test for memory referencing statement.  Exclude
	non-invariant ADDR_EXPRs.
	* tree-pretty-print.c (dump_generic_node): Do not handle memory tags.
	* tree-loop-distribution.c (generate_memset_zero): Adjust.
	(rdg_flag_uses): Likewise.
	* tree-tailcall.c (suitable_for_tail_opt_p): Remove memory-tag
	related code.
	(tree_optimize_tail_calls_1): Also split the
	edge from the entry block if we have degenerate PHI nodes in
	the first basic block.
	* tree.c (init_ttree): Remove memory-tag related code.
	(tree_code_size): Likewise.
	(tree_node_structure): Likewise.
	(build7_stat): Re-write to be build6_stat.
	* tree.h (MTAG_P, TREE_MEMORY_TAG_CHECK, TMR_TAG): Remove.
	(SSA_VAR_P): Adjust.
	(struct tree_memory_tag): Remove.
	(struct tree_memory_partition_tag): Likewise.
	(union tree_node): Adjust.
	(build7): Re-write to be build6.
	* tree-pass.h (pass_reset_cc_flags): Remove.
	(TODO_update_address_taken): New flag.
	(pass_simple_dse): Remove.
	* ipa-cp.c (ipcp_update_callgraph): Update SSA form.
	* params.h (MAX_ALIASED_VOPS): Remove.
	(AVG_ALIASED_VOPS): Likewise.
	* omp-low.c (expand_omp_taskreg): Update SSA form.
	* tree-ssa-dse.c (dse_optimize_stmt): Properly query if the rhs
	aliases the lhs in a copy stmt.
	* tree-ssa-dse.c (struct address_walk_data): Remove.
	(memory_ssa_name_same): Likewise.
	(memory_address_same): Likewise.
	(get_kill_of_stmt_lhs): Likewise.
	(dse_possible_dead_store_p): Simplify, use the oracle.  Handle
	unused stores.  Look through PHI nodes into post-dominated regions.
	(dse_optimize_stmt): Simplify.  Properly remove stores.
	(tree_ssa_dse): Compute dominators.
	(execute_simple_dse): Remove.
	(pass_simple_dse): Likewise.
	* ipa-reference.c (scan_stmt_for_static_refs): Open-code
	gimple_loaded_syms and gimple_stored_syms computation.
	* toplev.c (dump_memory_report): Dump alias and pta stats.
	* tree-ssa-sccvn.c (vn_reference_compute_hash): Simplify.
	(vn_reference_eq): Likewise.
	(vuses_to_vec, copy_vuses_from_stmt, vdefs_to_vec,
	copy_vdefs_from_stmt, shared_lookup_vops, shared_vuses_from_stmt,
	valueize_vuses): Remove.
	(get_def_ref_stmt_vuses): Simplify.  Rename to ...
	(get_def_ref_stmt_vuse): ... this.
	(vn_reference_lookup_2): New function.
	(vn_reference_lookup_pieces): Use walk_non_aliased_vuses for
	walking equivalent vuses.  Simplify.
	(vn_reference_lookup): Likewise.
	(vn_reference_insert): Likewise.
	(vn_reference_insert_pieces): Likewise.
	(visit_reference_op_call): Simplify.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	(init_scc_vn): Remove shared_lookup_vuses initialization.
	(free_scc_vn): Remove shared_lookup_vuses freeing.
	(sort_vuses, sort_vuses_heap): Remove.
	(get_ref_from_reference_ops): Export.
	* tree-ssa-sccvn.h (struct vn_reference_s): Replace vuses
	vector with single vuse pointer.
	(vn_reference_lookup_pieces, vn_reference_lookup,
	vn_reference_insert, vn_reference_insert_pieces): Adjust prototypes.
	(shared_vuses_from_stmt): Remove.
	(get_ref_from_reference_ops): Declare.
	* tree-ssa-loop-manip.c (slpeel_can_duplicate_loop_p): Adjust.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Remove
	memory-tag related code.
	* tree-ssa-ccp.c (get_symbol_constant_value): Remove memory-tag code.
	(likely_value): Add comment, skip static-chain of call statements.
	(surely_varying_stmt_p): Adjust.
	(gimplify_and_update_call_from_tree): Likewise.
	(execute_fold_all_builtins): Do not rebuild alias info.
	(gimplify_and_update_call_from_tree): Properly update VOPs.
	* tree-ssa-loop-ivopts.c (get_ref_tag): Remove.
	(copy_ref_info): Remove memory-tag related code.
	* tree-call-cdce.c (tree_call_cdce): Rename the VOP.
	* ipa-pure-const.c (check_decl): Remove memory-tag related code.
	(check_stmt): Open-code gimple_loaded_syms and gimple_stored_syms
	computation.
	* tree-ssa-dom.c (gimple_p): Remove typedef.
	(eliminate_redundant_computations): Adjust.
	(record_equivalences_from_stmt): Likewise.
	(avail_expr_hash): Likewise.
	(avail_expr_eq): Likewise.
	* tree-ssa-propagate.c (update_call_from_tree): Properly update VOPs.
	(stmt_makes_single_load): Likewise.
	(stmt_makes_single_store): Likewise.
	* tree-ssa-alias.c: Rewrite completely.
	(debug_memory_partitions, dump_mem_ref_stats, debug_mem_ref_stats,
	debug_mem_sym_stats, dump_mem_sym_stats_for_var,
	debug_all_mem_sym_stats, debug_mp_info, update_mem_sym_stats_from_stmt,
	delete_mem_ref_stats, create_tag_raw, dump_points_to_info,
	dump_may_aliases_for, debug_may_aliases_for, new_type_alias):
	Remove public functions.
	(pass_reset_cc_flags): Remove.
	(pass_build_alias): Move ...
	* tree-ssa-structalias.c (pass_build_alias): ... here.
	* tree-ssa-alias.c (may_be_aliased): Move ...
	* tree-flow-inline.h (may_be_aliased): ... here.
	tree-ssa-alias.c (struct count_ptr_d, count_ptr_derefs,
	count_uses_and_derefs): Move ...
	* gimple.c: ... here.
	* gimple.h (count_uses_and_derefs): Declare.
	* tree-ssa-alias.c (dump_alias_stats, ptr_deref_may_alias_global_p,
	ptr_deref_may_alias_decl_p, ptr_derefs_may_alias_p,
	same_type_for_tbaa, nonaliasing_component_refs_p, decl_refs_may_alias_p,
	indirect_ref_may_alias_decl_p, indirect_refs_may_alias_p,
	ref_maybe_used_by_call_p, ref_maybe_used_by_stmt_p,
	call_may_clobber_ref_p, stmt_may_clobber_ref_p, maybe_skip_until,
	get_continuation_for_phi, walk_non_aliased_vuses, walk_aliased_vdefs):
	New functions.
	* tree-dfa.c (refs_may_alias_p): Move ...
	* tree-ssa-alias.c (refs_may_alias_p): ... here.  Extend.
	* tree-ssa-alias.h: New file.
	* tree-ssa-sink.c (is_hidden_global_store): Adjust.
	(statement_sink_location): Likewise.
	* opts.c (decode_options): Do not adjust max-aliased-vops or
	avg-aliased-vops values.
	* timevar.def (TV_TREE_MAY_ALIAS): Remove.
	(TV_CALL_CLOBBER): Likewise.
	(TV_FLOW_SENSITIVE): Likewise.
	(TV_FLOW_INSENSITIVE): Likewise.
	(TV_MEMORY_PARTITIONING): Likewise.
	(TV_ALIAS_STMT_WALK): New timevar.
	* tree-ssa-loop-ivcanon.c (empty_loop_p): Adjust.
	* tree-ssa-address.c (create_mem_ref_raw): Use build6.
	(get_address_description): Remove memory-tag related code.
	* tree-ssa-ifcombine.c (bb_no_side_effects_p): Adjust.
	* treestruct.def (TS_MEMORY_TAG, TS_MEMORY_PARTITION_TAG): Remove.
	* tree-eh.c (cleanup_empty_eh): Do not leave stale SSA_NAMEs
	and immediate uses in statements.  Document.
	* gimple-pretty-print.c (dump_gimple_mem_ops): Adjust.
	(dump_symbols): Remove.
	(dump_gimple_mem_ops): Do not dump loaded or stored syms.
	* alias.c (get_deref_alias_set): New function split out from ...
	(get_alias_set): ... here.
	* alias.h (get_deref_alias_set): Declare.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Remove unused
	type parameter.  Remove restrict pointer handling.  Create a
	ref-all pointer in case type-based alias sets do not conflict.
	(vect_analyze_data_refs): Remove SMT related code.
	* tree-vect-stmts.c (vectorizable_store): Re-instantiate TBAA assert.
	(vectorizable_load): Likewise.
	* tree-data-ref.h (struct dr_alias): Remove symbol_tag field.
	(DR_SYMBOL_TAG, DR_VOPS): Remove.
	* tree-data-ref.c (dr_may_alias_p): Use the alias-oracle.
	Ignore vops and SMTs.
	(dr_analyze_alias): Likewise..
	(free_data_ref): Likewise.
	(create_data_ref): Likewise.
	(analyze_all_data_dependences): Likewise.
	(get_references_in_stmt): Adjust.
	* tree-flow-inline.h (gimple_aliases_computed_p,
	gimple_addressable_vars, gimple_call_clobbered_vars,
	gimple_call_used_vars, gimple_global_var, may_aliases, memory_partition,
	factoring_name_p, mark_call_clobbered, clear_call_clobbered,
	compare_ssa_operands_equal, symbol_mem_tag, set_symbol_mem_tag,
	gimple_mem_ref_stats): Remove.
	(gimple_vop): New function.
	(op_iter_next_use): Remove vuses and mayuses cases.
	(op_iter_next_def): Remove vdefs case.
	(op_iter_next_tree): Remove vuses, mayuses and vdefs cases.
	(clear_and_done_ssa_iter): Do not set removed fields.
	(op_iter_init): Likewise.  Skip vuse and/or vdef if requested.
	Assert we are not iterating over vuses or vdefs if not also
	iterating over uses or defs.
	(op_iter_init_use): Likewise.
	(op_iter_init_def): Likewise.
	(op_iter_next_vdef): Remove.
	(op_iter_next_mustdef): Likewise.
	(op_iter_init_vdef): Likewise.
	(compare_ssa_operands_equal): Likewise.
	(link_use_stmts_after): Handle vuse operand.
	(is_call_used): Use is_call_clobbered.
	(is_call_clobbered): Global variables are always call clobbered,
	query the call-clobbers bitmap.
	(mark_call_clobbered): Ignore global variables.
	(clear_call_clobbered): Likewise.
	* tree-ssa-coalesce.c (create_outofssa_var_map): Adjust
	virtual operands sanity check.
	* tree.def (NAME_MEMORY_TAG, SYMBOL_MEMORY_TAG, MEMORY_PARTITION_TAG):
	Remove.
	(TARGET_MEM_REF): Remove TMR_TAG operand.
	* tree-dfa.c (add_referenced_var): Initialize call-clobber state.
	Remove call-clobber related code.
	(remove_referenced_var): Likewise.  Do not clear mpt or symbol_mem_tag.
	(dump_variable): Do not dump SMTs, memory stats, may-aliases or
	partitions or escape reason.
	(get_single_def_stmt, get_single_def_stmt_from_phi,
	get_single_def_stmt_with_phi): Remove.
	(dump_referenced_vars): Tidy.
	(get_ref_base_and_extent): Allow bare decls.
	(collect_dfa_stats): Adjust.
	* graphite.c (rename_variables_in_stmt): Adjust.
	(graphite_copy_stmts_from_block): Likewise.
	(translate_clast): Likewise.
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add expr_dies bitmap.
	(EXPR_DIES): New.
	(translate_vuse_through_block): Use the oracle.
	(phi_translate_1): Adjust.
	(value_dies_in_block_x): Use the oracle.  Cache the outcome
	in EXPR_DIES.
	(valid_in_sets): Check if the VUSE for
	a REFERENCE is available.
	(eliminate): Do not remove stmts during elimination,
	instead queue and remove them afterwards.
	(do_pre): Do not rebuild alias info.
	(pass_pre): Run TODO_rebuild_alias before PRE.
	* tree-ssa-live.c (remove_unused_locals): Remove memory-tag code.
	* tree-sra.c (sra_walk_function): Use gimple_references_memory_p.
	(mark_all_v_defs_stmt): Remove.
	(mark_all_v_defs_seq): Adjust.
	(sra_replace): Likewise.
	(scalarize_use): Likewise.
	(scalarize_copy): Likewise.
	(scalarize_init): Likewise.
	(scalarize_ldst): Likewise.
	(todoflags): Remove.
	(tree_sra): Do not rebuild alias info.
	(tree_sra_early): Adjust.
	(pass_sra): Run TODO_update_address_taken before SRA.
	* tree-predcom.c (set_alias_info): Remove.
	(prepare_initializers_chain): Do not call it.
	(mark_virtual_ops_for_renaming): Adjust.
	(mark_virtual_ops_for_renaming_list): Remove.
	(initialize_root_vars): Adjust.
	(initialize_root_vars_lm): Likewise.
	(prepare_initializers_chain): Likewise.
	* tree-ssa-copy.c (may_propagate_copy): Remove memory-tag related code.
	(may_propagate_copy_into_stmt): Likewise.
	(merge_alias_info): Do nothing for now.
	(propagate_tree_value_into_stmt): Adjust.
	(stmt_may_generate_copy): Likewise.
	* tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): Do
	not mark symbols for renaming.
	(forward_propagate_addr_expr): Match up push/pop_stmt_changes
	with the same statement, make sure to update the new pointed-to one.
	* tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not copy
	call statements, do not mark symbols for renaming.
	(mark_operand_necessary): Dump something.
	(ref_may_be_aliased): New function.
	(mark_aliased_reaching_defs_necessary_1): New helper function.
	(mark_aliased_reaching_defs_necessary): Likewise.
	(mark_all_reaching_defs_necessary_1): Likewise.
	(mark_all_reaching_defs_necessary): Likewise.
	(propagate_necessity): Do not process virtual PHIs.  For
	non-aliased loads mark all reaching definitions as necessary.
	For aliased loads and stores mark the immediate dominating
	aliased clobbers as necessary.
	(visited): New global static.
	(perform_tree_ssa_dce): Free visited bitmap after propagating
	necessity.
	(remove_dead_phis): Perform simple dead virtual PHI removal.
	(remove_dead_stmt): Properly unlink virtual operands when
	removing stores.
	(eliminate_unnecessary_stmts): Schedule PHI removal after
	stmt removal.
	* tree-ssa-ter.c (is_replaceable_p): Adjust.
	(process_replaceable): Likewise.
	(find_replaceable_in_bb): Likewise.
	* tree-ssa.c (verify_ssa_name): Verify all VOPs are
	based on the single gimple vop.
	(verify_flow_insensitive_alias_info): Remove.
	(verify_flow_sensitive_alias_info): Likewise.
	(verify_call_clobbering): Likewise.
	(verify_memory_partitions): Likewise.
	(verify_alias_info): Likewise.
	(verify_ssa): Adjust..
	(execute_update_addresses_taken): Export.  Update SSA
	manually.  Optimize only when optimizing.  Use a local bitmap.
	(pass_update_address_taken): Remove TODO_update_ssa, add
	TODO_dump_func.
	(pass_update_address_taken): Just use TODO_update_address_taken.
	(init_tree_ssa): Do not initialize addressable_vars.
	(verify_ssa): Verify new VUSE / VDEF properties.
	Verify that all stmts definitions have the stmt as SSA_NAME_DEF_STMT.
	Do not call verify_alias_info.
	(delete_tree_ssa): Clear the VUSE, VDEF operands.
	Do not free the loaded and stored syms bitmaps.  Reset the escaped
	and callused solutions.  Do not free addressable_vars.
	Remove memory-tag related code.
	(warn_uninitialized_var): Aliases are always available.
	* tree-ssa-loop-prefetch.c (gather_memory_references): Adjust.
	* lambda-code.c (can_put_in_inner_loop): Adjust.
	(can_put_after_inner_loop): Likewise.
	(perfect_nestify): Likewise.
	* tree-vect-stmts.c (vect_stmt_relevant_p): Adjust.
	(vect_gen_widened_results_half): Remove CALL_EXPR handling.
	(vectorizable_conversion): Do not mark symbols for renaming.
	* tree-inline.c (remap_gimple_stmt): Clear VUSE/VDEF.
	(expand_call_inline): Unlink the calls virtual operands before
	replacing it.
	(tree_function_versioning): Do not call update_ssa if we are not
	updating clones.  Simplify.
	* tree-ssa-phiprop.c (phivn_valid_p): Adjust.
	(propagate_with_phi): Likewise..
	* tree-outof-ssa.c (create_temp): Remove memory tag and call
	clobber code.  Assert we are not aliased or global.
	* tree-flow.h: Include tree-ssa-alias.h
	(enum escape_type): Remove.
	(struct mem_sym_stats_d): Likewise.
	(struct mem_ref_stats_d): Likewise.
	(struct gimple_df): Add vop member.  Remove global_var,
	call_clobbered_vars, call_used_vars, addressable_vars,
	aliases_compted_p and mem_ref_stats members.  Add syms_to_rename,
	escaped and callused members.
	(struct ptr_info_def): Remove all members, add points-to solution
	member pt.
	(struct var_ann_d): Remove in_vuse_list, in_vdef_list,
	call_clobbered, escape_mask, mpt and symbol_mem_tag members.
	* Makefile.in (TREE_FLOW_H): Add tree-ssa-alias.h.
	(tree-ssa-structalias.o): Remove tree-ssa-structalias.h.
	(tree-ssa-alias.o): Likewise.
	(toplev.o): Add tree-ssa-alias.h
	(GTFILES): Remove tree-ssa-structalias.h, add tree-ssa-alias.h.
	* gimple.c (gimple_set_bb): Fix off-by-one error.
	(is_gimple_reg): Do not handle memory tags.
	(gimple_copy): Also copy virtual operands.
	Delay updating the statement.  Do not reset loaded and stored syms.
	(gimple_set_stored_syms): Remove.
	(gimple_set_loaded_syms): Likewise.
	(gimple_call_copy_skip_args): Copy the virtual operands
	and mark the new statement modified.
	* tree-ssa-structalias.c (may_alias_p): Remove.
	(set_uids_in_ptset): Take the alias set to prune with as
	parameter.  Fold in the alias test of may_alias_p.
	(compute_points_to_sets): Compute whether a ptr is dereferenced
	in a local sbitmap.
	(process_constraint): Deal with &ANYTHING on the lhs, reject all
	other ADDRESSOF constraints on the lhs.
	(get_constraint_for_component_ref): Assert that we don't get
	ADDRESSOF constraints from the base of the reference.
	Properly generate UNKNOWN_OFFSET for DEREF if needed.
	(struct variable_info): Remove collapsed_to member.
	(get_varinfo_fc): Remove.
	(new_var_info): Do not set collapsed_to.
	(dump_constraint): Do not follow cycles.
	(dump_constraint_graph): Likewise.
	(build_pred_graph): Likewise.
	(build_succ_graph): Likewise.
	(rewrite_constraints): Likewise.
	(do_simple_structure_copy): Remove.
	(do_rhs_deref_structure_copy): Remove.
	(do_lhs_deref_structure_copy): Remove.
	(collapse_rest_of_var): Remove.
	(do_structure_copy): Re-implement.
	(pta_stats): New global variable.
	(dump_pta_stats): New function.
	(struct constraint_expr): Make offset signed.
	(UNKNOWN_OFFSET): Define special value.
	(dump_constraint): Dump UNKNOWN_OFFSET as UNKNOWN.
	(solution_set_expand): New helper function split out from ...
	(do_sd_constraint): ... here.
	(solution_set_add): Handle UNKNOWN_OFFSET.  Handle negative offsets.
	(do_ds_constraint): Likewise.
	(do_sd_constraint): Likewise.  Do not special-case ESCAPED = *ESCAPED
	and CALLUSED = *CALLUSED.
	(set_union_with_increment): Make inc argument signed.
	(type_safe): Remove.
	(get_constraint_for_ptr_offset): Handle unknown and negative
	constant offsets.
	(first_vi_for_offset): Handle offsets before start.  Bail
	out early for offsets beyond the variable extent.
	(first_or_preceding_vi_for_offset): New function.
	(init_base_vars): Add ESCAPED = ESCAPED + UNKNOWN_OFFSET constraint.
	Together with ESCAPED = *ESCAPED this properly computes reachability.
	(find_what_var_points_to): New function.
	(find_what_p_points_to): Implement in terms of find_what_var_points_to.
	(pt_solution_reset, pt_solution_empty_p, pt_solution_includes_global,
	pt_solution_includes_1, pt_solution_includes, pt_solutions_intersect_1,
	pt_solutions_intersect): New functions.
	(compute_call_used_vars): Remove.
	(compute_may_aliases): New main entry into PTA computation.
	* gimple.h (gimple_p): New typedef.
	(struct gimple_statement_base): Remove references_memory_p.
	(struct gimple_statement_with_memory_ops_base): Remove
	vdef_ops, vuse_ops, stores and loads members.  Add vdef and vuse
	members.
	(gimple_vuse_ops, gimple_set_vuse_ops, gimple_vdef_ops,
	gimple_set_vdef_ops, gimple_loaded_syms, gimple_stored_syms,
	gimple_set_references_memory): Remove.
	(gimple_vuse_op, gimple_vdef_op, gimple_vuse, gimple_vdef,
	gimple_vuse_ptr, gimple_vdef_ptri, gimple_set_vuse, gimple_set_vdef):
	New functions.
	* tree-cfg.c (move_block_to_fn): Fix off-by-one error.
	(verify_expr): Allow RESULT_DECL.
	(gimple_duplicate_bb): Do not copy virtual operands.
	(gimple_duplicate_sese_region): Adjust.
	(gimple_duplicate_sese_tail): Likewise.
	(mark_virtual_ops_in_region): Remove.
	(move_sese_region_to_fn): Do not call it.
	* passes.c (init_optimization_passes): Remove pass_reset_cc_flags
	and pass_simple_dse.
	(execute_function_todo): Handle TODO_update_address_taken,
	call execute_update_addresses_taken for TODO_rebuild_alias.
	(execute_todo): Adjust.
	(execute_one_pass): Init dump files early.
	* ipa-struct-reorg.c (finalize_var_creation): Do not mark vars
	call-clobbered.
	(create_general_new_stmt): Clear vops.
	* tree-ssa-reassoc.c (get_rank): Adjust.
	* tree-vect-slp.c (vect_create_mask_and_perm): Do not mark
	symbols for renaming.
	* params.def (PARAM_MAX_ALIASED_VOPS): Remove.
	(PARAM_AVG_ALIASED_VOPS): Likewise.
	* tree-ssanames.c (init_ssanames): Allocate SYMS_TO_RENAME.
	(duplicate_ssa_name_ptr_info): No need to copy the shared bitmaps.
	* tree-ssa-operands.c: Simplify for new virtual operand representation.
	(operand_build_cmp, copy_virtual_operands,
	create_ssa_artificial_load_stmt, add_to_addressable_set,
	gimple_add_to_addresses_taken): Remove public functions.
	(unlink_stmt_vdef): New function.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

	* config.gcc (powerpc-*-linux*): Merge variants.

2009-04-02  Chao-ying Fu  <fu@mips.com>
	    James Grosbach  <james.grosbach@microchip.com>

	* config/mips/mips.c (mips_frame_info): Add acc_mask, num_acc,
	num_cop0_regs, acc_save_offset, cop0_save_offset, acc_sp_offset,
	cop0_sp_offset.
	(machine_function): Add interrupt_handler_p, use_shadow_register_set_p,
	keep_interrupts_masked_p, use_debug_exception_return_p.
	(mips_attribute_table): Add interrupt, use_shadow_register_set,
	keep_interrupts_masked, use_debug_exception_return.
	(mips_interrupt_type_p, mips_use_shadow_register_set_p,
	mips_keep_interrupts_masked_p, mips_use_debug_exception_return_p):
	New functions.
	(mips_function_ok_for_sibcall): Return false for interrupt handlers.
	(mips_print_operand): Process COP0 registers to print $0 .. $31
	correctly for GAS to process.
	(mips_interrupt_extra_call_saved_reg_p): New function.
	(mips_cfun_call_saved_reg_p): For interrupt handlers, we need to check
	extra registers.
	(mips_cfun_might_clobber_call_saved_reg_p): Likewise.
	(mips_compute_frame_info): Add supports for interrupt context that
	includes doubleword accumulators and COP0 registers.
	(mips_for_each_saved_acc): New function.
	(mips_for_each_saved_gpr_and_fpr): Change the function name from
	mips_for_each_saved_reg.
	(mips_save_reg): Save accumulators.
	(mips_kernel_reg_p): A new for_each_rtx callback.
	(mips_expand_prologue): Support interrupt handlers.
	(mips_restore_reg): Restore accumulators.
	(mips_expand_epilogue): Support interrupt handlers.
	(mips_can_use_return_insn): Return false for interrupt handlers.
	(mips_epilogue_uses): New function.
	* config/mips/mips.md (UNSPEC_ERET, UNSPEC_DERET, UNSPEC_DI,
	UNSPEC_EHB, UNSPEC_RDPGPR, UNSPEC_COP0): New UNSPEC.
	(mips_eret, mips_deret, mips_di, mips_ehb, mips_rdpgpr,
	cop0_move): New instructions.
	* config/mips/mips-protos.h (mips_epilogue_uses): Declare.
	* config/mips/mips.h (K0_REG_NUM, K1_REG_NUM, KERNEL_REG_P): New
	defines.
	(COP0_STATUS_REG_NUM, COP0_CAUSE_REG_NUM, COP0_EPC_REG_NUM):
	New defines.
	(CAUSE_IPL, SR_IPL, SR_EXL, SR_IE): New defines.
	(MIPS_PROLOGUE_TEMP_REGNUM, MIPS_EPILOGUE_TEMP_REGNUM): For
	interrupt handlers, we use K0 as the temporary register.
	(EPILOGUE_USES): Change to a function call.
	* config/mips/sde.h (MIPS_EPILOGUE_TEMP_REGNUM): For interrupt
	handlers, we use K0 as the temporary register.

	* doc/extend.texi (Function Attributes): Document interrupt,
	use_shadow_register_set, keep_interrupts_masked,
	use_debug_exception_return for MIPS attributes.

2009-04-03  Alan Modra  <amodra@bigpond.net.au>

	* config.gcc (powerpc64-*-gnu*): Add rs6000/default64.h to tm_file.
	Remove a number of t-files from tmake_file.
	* config/rs6000/sysv4.opt (mprototype): Name variable target_prototype.
	* config/rs6000/sysv4.h (TARGET_PROTOTYPE): Define.
	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
	target_prototype, not TARGET_PROTOTYPE.
	(LINK_OS_GNU_SPEC): Define.
	* config/rs6000/t-linux64 (LIB2FUNCS_EXTRA): Delete tramp.S
	and darwin-ldoubdle.c.

2009-04-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR driver/39293
	* gcc.c (save_temps_flag): Add support for -save-temps=obj.
	(cpp_options): Ditto.
	(default_compilers): Ditto.
	(display_help): Ditto.
	(process_command): Ditto.
	(do_spec_1): Ditto.
	(set_input): Use lbasename instead of duplicate code.
	(save_temps_prefix): New static for -save-temps=obj.
	(save_temps_length): Ditto.

	* doc/invoke.texi (-save-temps=obj): Document new variant to
	-save-temps switch.

2009-04-02  Jeff Law  <law@redhat.com>

	* reload1.c (fixup_eh_region_notes): Remove write-only "trap_count"
	variable.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* configure.ac: Support -Bstatic/-Bdynamic for linker version > 2.
	* configure: Regenerated.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

	* c-decl.c (merge_decls): Make sure newdecl and olddecl don't
	share the argument list.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

	Merge

	2009-02-12  Diego Novillo  <dnovillo@google.com>

	* varpool.c (debug_varpool): New.
	* cgraph.h (debug_varpool): Declare.

2009-04-02  Jan Hubicka  <jh@suse.cz>

	* passes.c (init_optimization_passes): Remove two copies of ehcleanup
	pass.

2009-04-02  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (ix86_abi): Move initialization to ...
	(override_options): Here.

2009-04-02  Christian Bruel  <christian.bruel@st.com>

	* config/sh/sh.c (sh_dwarf_register_span): New function.
	(TARGET_DWARF_REGISTER_SPAN): Define.
	* config/sh/sh-protos.h (sh_dwarf_register_span): Declare.

2009-04-02  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39595
	* tree-vect-slp.c (vect_build_slp_tree): Check that the size of
	interleaved loads group is not  greater than the SLP group size.

2009-04-02  Rafael Avila de Espindola  <espindola@google.com>

	* builtins.c (is_builtin_name): New.
	(called_as_built_in): Use is_builtin_name.
	* tree.h (is_builtin_name): New.
	* varasm.c (incorporeal_function_p): Use is_builtin_name

2009-04-02  Andrew Stubbs  <ams@codesourcery.com>

	* config/sh/linux-unwind.h: Disable when inhibit_libc is defined.

2009-04-02  Dodji Seketeli  <dodji@redhat.com>

	PR c++/26693
	* c-decl.c (clone_underlying_type): Move this ...
	* c-common.c (set_underlying_type): ... here.
	Also, make sure the function properly sets TYPE_STUB_DECL() on
	the newly created typedef variant type.
	* c-common.h (is_typedef_decl, set_underlying_type): Declare ...
	* c-common.c (is_typedef_decl, set_underlying_type): ... new entry
	points.

2009-04-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37221
	* tree-flow.h (degenerate_phi_result): Declare.
	* tree-ssa-dom.c (degenerate_phi_result): Export.
	* tree-scalar-evolution.c (analyze_initial_condition): If
	the initial condition is defined by a degenerate PHI node
	use the degenerate value.

2009-04-01  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/39588
	* combine.c (merge_outer_ops): Do not set the constant when this
	is not necessary.
	(simplify_shift_const_1): Do not modify it either in this case.

2009-04-01  Steven Bosscher  <steven@gcc.gnu.org>

	* config/ia64/ia64.c (ia64_handle_option): Inform user that Itanium1
	tuning is deprecated if -mtune value is set to an Itanium1 variant.

2009-04-01  Janis Johnson  <janis187@us.ibm.com>

	PR c/29027
	* c-lex.c (interpret_float): Default (no suffix) is double.

2009-04-1  Xinliang David Li  <davidxl@google.com>

	* config/i386/i386.c (legitimate_constant_p): Recognize
	all one vector constant.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/vax.c: Add #includes to silence warnings.
	Change #include order to silence two warnings.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/linux.h (TARGET_DEFAULT): Add the MASK_QMATH flag bit.
	(ASM_SPEC): Pass -k to the assembler for PIC code.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config.gcc: Add vax-*-linux* to the switch.
	* config/vax/linux.h: New file. (TARGET_VERSION,
	TARGET_OS_CPP_BUILTINS, TARGET_DEFAULT, CPP_SPEC, LINK_SPEC): Define.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/vax.c (vax_output_int_move, adjacent_operands_p):
	Use predicate macros instead of GET_CODE() == foo.
	* config/vax/vax.md (movsi_2, movstrictqi, and<mode>3, ashrsi3,
	ashlsi3, rotrsi3, <unnamed>): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/builtins.md (jbbssiqi, jbbssihi, jbbssisi, jbbcciqi,
	jbbccihi, jbbccisi): Remova trailing whitespace.
	* config/vax/constraints.md: Likewise.
	* config/vax/elf.h: (ASM_PREFERRED_EH_DATA_FORMAT): Likewise.
	* config/vax/openbsd1.h (OBSD_OLD_GAS): Likewise.
	* config/vax/predicates.md: Likewise.
	* config/vax/vax.c (print_operand_address, vax_output_int_move,
	vax_expand_addsub_di_operands, adjacent_operands_p): Likewise.
	* config/vax/vax.h: Likewise.
	* config/vax/vax.md (nonlocal_goto): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/vax.c (vax_float_literal, vax_output_int_move)
	(indirectable_address_p, adjacent_operands_p): Add spaces around
	braces.
	* config/vax/vax-protos.h (adjacent_operands_p): Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/vax.c (legitimate_constant_address_p,
	legitimate_constant_p, indirectable_address_p, nonindexed_address_p,
	index_term_p, reg_plus_index_p, legitimate_address_p,
	vax_mode_dependent_address_p): Update comments to match functions
	modified by the recent int->bool conversion.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/builtins.md: Update copyright message.
	* config/vax/constraints.md: Likewise.
	* config/vax/netbsd-elf.h: Likewise.
	* config/vax/predicates.md: Likewise.
	* config/vax/vax-protos.h: Likewise.
	* config/vax/vax.c: Likewise.
	* config/vax/vax.h: Likewise.
	* config/vax/vax.md: Likewise.
	* config/vax/vax.opt: Likewise.

2009-04-01  Jan-Benedict Glaw  <jbglaw@jbglaw-dev.homezone.telefonica.de>

	* config/vax/builtins.md (ffssi2, ffssi2_internal,
	sync_lock_test_and_set<mode>, sync_lock_release<mode>): Fix indention.
	* config/vax/constraints.md (B, R): Likewise.
	* config/vax/predicates.md (external_memory_operand,
	nonimmediate_addsub_di_operand): Likewise.
	* config/vax/vax.c (vax_output_int_add): Likewise.
	* config/vax/vax.md (movsi, movsi_2, mov<mode>, call_value,
	untyped_call): Likewise.

2009-04-01  Matt Thomas  <matt@3am-software.com>

	* config/vax/predicates.md: New file.
	(symbolic_operand, local_symbolic_operand, external_symbolic_operand,
	external_const_operand, nonsymbolic_operand, external_memory_operand,
	indirect_memory_operand, indexed_memory_operand,
	illegal_blk_memory_operand, illegal_addsub_di_memory_operand,
	nonimmediate_addsub_di_operand, general_addsub_di_operand): New
	predicate.
	* config/vax/constraints.md: New file.
	(Z0, U06,  U08, U16, CN6, S08, S16, I, J, K, L, M, N, O, G, Q, B, R, T):
	New constraint.
	* config/vax/builtins.md: New file.
	(ffssi2, ffssi2_internal, sync_lock_test_and_set<mode>, jbbssiqi,
	jbbssihi, jbbssisi, sync_lock_release<mode>, jbbcciqi, jbbccihi,
	jbbccisi): Define.
	* config/vax/vax.opt (mqmath): Add option.
	* config/vax/vax.md (isfx): Extend with DI.
	(VAXintQH, VAXintQHSD): Define.
	(tst<mode>, cmp<mode>, *bit<mode>, movmemhi1, truncsiqi2, truncsihi2,
	mulsidi3, add<mode>3, sub<mode>, mul<mode>3, div<mode>3, and<mode>,
	and<mode>_const_int, ior<mode>3, xor<mode>3, neg<mode>2,
	one_cmpl<mode>2, ashlsi3, lshrsi3, rotlsi3): Update constraints.
	(movdi): Update constraints and use vax_output_int_move().
	(movsi, movsi_2, pushlclsymreg, pushextsymreg, movlclsymreg,
	movextsymreg, adddi3, adcdi3, subdi3, sbcdi3, pushextsym, movextsym,
	pushlclsym, movlclsym, movaddr<mode>, pushaddr<mode>,
	nonlocal_goto): New.
	(mov<mode>): Extend accepted operand types.
	(subdi3_old): Rename from subdi3, change update constraints and use
	a new implementation.
	* config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Add space.
	(FRAME_POINTER_CFA_OFFSET, IRA_COVER_CLASSES, CLASS_MAX_NREGS,
	MOVE_RATIO, CLEAR_RATIO): Define.
	(REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P,
	CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
	(PRINT_OPERAND): Redefine using a function instead of inlined code.
	* config/vax/vax.c (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Define.
	(split_quadword_operands): Make static and really allow variable
	splitting.
	(print_operand_address): Update for PIC generation.
	(print_operand, vax_builtin_setjmp_frame_value, vax_output_int_subtract,
	indexable_address_p, fixup_mathdi_operand,
	vax_expand_addsub_di_operands, adjacent_operands_p): New.
	(vax_float_literal, legitimate_constant_p,
	indirectable_constant_address_p, index_term_p,
	reg_plus_index_p): Return bool instead of int.
	(vax_rtx_costs): Fix cost for CONST_INT, indent and use HOST_WIDE_INT
	where needed.
	(vax_output_int_move, vax_output_int_add): Extend to allow PIC
	generation.
	(vax_output_conditional_branch): Indent.
	(legitimate_constant_address_p, indirectable_constant_address_p,
	indirectable_address_p, nonindexed_address_p, legitimate_address_p,
	vax_mode_dependent_address_p): Return bool instead of int, update for
	PIC generation.
	* config/vax/vax-protos.h (legitimate_constant_address_p,
	legitimate_constant_p, legitimate_address_p,
	vax_mode_dependent_address_p): Change declaration to bool.
	(legitimate_pic_operand_p, adjacent_operands_p, print_operand,
	vax_expand_addsub_di_operands, vax_output_int_subtract,
	vax_output_movmemsi): Declare.
	(split_quadword_operands, vax_float_literal): Delete declaration.
	* config/vax/netbsd-elf.h (CC1_SPEC, CC1PLUS_SPEC) Define.
	* config/vax/elf.h (NO_EXTERNAL_INDIRECT_ADDRESS,
	VAX_CC1_AND_CC1PLUS_SPEC, ASM_PREFERRED_EH_DATA_FORMAT,
	ASM_OUTPUT_DWARF_PCREL): Define.
	(ASM_SPEC): Change definition to allow PIC generation.

2009-04-01  Steve Ellcey  <sje@cup.hp.com>

	* doc/sourcebuild.texi: Update front-end requirements.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR target/39226
	* config/rs6000/rs6000.md (andsi3_internal5_nomc,
	anddi3_internal2_nomc, anddi3_internal3_nomc): Removed.
	(booldi3_internal3): Use boolean_or_operator instead of
	boolean_operator.

2009-04-01  Joseph Myers  <joseph@codesourcery.com>

	PR c/39605
	* c-decl.c (grokdeclarator): Pedwarn for file-scope array
	declarator whose size is not an integer constant expression but
	folds to an integer constant, then treat it as a constant
	subsequently.

2009-04-01  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (fold_plusminus_mult_expr): Do not fold
	i * 4 + 2 to (i * 2 + 1) * 2.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/37772
	* c-parser.c (c_parser_asm_statement): Skip until close paren and
	return if c_parser_asm_string_literal returned NULL.

2009-04-01  Nick Clifton  <nickc@redhat.com>

	* config/m32c/m32c.h (LIBGCC2_UNITS_PER_WORD): Define if not
	already defined.
	* config/m32c/t-m32c (LIB2FUNCS_EXTRA): Add m32c-lib2-trapv.c.
	* config/m32c/m32c-lib2.c: Remove unused typedefs.  Rename the
	other typedefs to avoid conflicts with libgcc2.c.  Define labels
	to gain 16-bit bit-manipulation functions from libgcc2.c and then
	include it.
	* config/m32c/m32c-lib2-trapv.c: New file.  Define labels
	to gain 16-bit trapping arithmetic functions from libgcc2.c and
	then include it.

2009-04-01  Rafael Avila de Espindola  <espindola@google.com>

	* varasm.c (default_function_rodata_section): Declare DOT as
	const char*.

2009-04-01  Kai Tietz  <kai.tietz@onevision.com>
	    Andrey Galkin  <agalkin@hypercom.com>

	PR/39492
	* config/i386/host-mingw32.c (mingw32_gt_pch_use_address):
	Make object_name unique for each process.

2009-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR other/39591
	* omp-low.c (remove_exit_barrier): Don't optimize if there are any
	addressable variables in the parallel that could go out of scope while
	running queued tasks.

2009-04-01  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (avr_case_values_threshold): Remove declaration.
	(CASE_VALUES_THRESHOLD): Redefine.
	* config/avr/avr.c (avr_override_options): Remove initialization of
	avr_case_values_threshold variable.
	(avr_case_values_threshold): Remove variable. Add new function.
	* config/avr/avr-protos.h (avr_case_values_threshold): Declare.
	* config/avr/avr.opt (mno-tablejump): Remove option.
	* doc/invoke.texi (AVR Options): Remove -mno-tablejump.

2009-04-01  DJ Delorie  <dj@redhat.com>

	* varasm.c (default_function_rodata_section): Don't assume
	anything about where the first '.' in the section name is.

2009-04-01  Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Delete redundant
	rs6000_emit_stack_tie.

2009-03-31  Ian Lance Taylor  <iant@google.com>

	* tree-eh.c (tree_remove_unreachable_handlers): Compare
	gimple_code with GIMPLE_RESX, not RESX.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	* c-common.c (c_get_ident): New.
	(c_common_nodes_and_builtins): Call it for type names that may be NULL.

2009-04-01  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/sysv4.opt (msdata): Improve option description.

2009-03-31  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/ia64.md (divsf3_internal_lat): Remove.
	(divdf3_internal_lat): Remove.
	(divxf3_internal_lat): Remove.
	(divxf3_internal_thr): Remove.
	(divxf): Use divxf3_internal.
	* config/ia64/div.md (divsf3_internal_lat): New.
	(divdf3_internal_lat): New.
	(divxf3_internal): New.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR c/448
	* Makefile.in (USE_GCC_STDINT): Define.
	(stmp-int-hdrs): Install stdint.h if applicable.
	* c-common.c (CHAR16_TYPE): Define in terms of UINT_LEAST16_TYPE
	if known.
	(CHAR32_TYPE): Define in terms of UINT_LEAST32_TYPE if known.
	(SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE, INT64_TYPE,
	UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
	INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
	INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
	UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
	INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
	UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
	UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
	(c_common_nodes_and_builtins): Initialize
	underlying_wchar_type_node.  Do not initialize
	signed_wchar_type_node or unsigned_wchar_type_node.  Initialize
	nodes for new types.
	(c_stddef_cpp_builtins): Define macros for new types.
	* c-common.h (CTI_SIGNED_WCHAR_TYPE, CTI_UNSIGNED_WCHAR_TYPE):
	Remove.
	(CTI_UNDERLYING_WCHAR_TYPE, CTI_SIG_ATOMIC_TYPE, CTI_INT8_TYPE,
	CTI_INT16_TYPE, CTI_INT32_TYPE, CTI_INT64_TYPE, CTI_UINT8_TYPE,
	CTI_UINT16_TYPE, CTI_UINT32_TYPE, CTI_UINT64_TYPE,
	CTI_INT_LEAST8_TYPE, CTI_INT_LEAST16_TYPE, CTI_INT_LEAST32_TYPE,
	CTI_INT_LEAST64_TYPE, CTI_UINT_LEAST8_TYPE, CTI_UINT_LEAST16_TYPE,
	CTI_UINT_LEAST32_TYPE, CTI_UINT_LEAST64_TYPE, CTI_INT_FAST8_TYPE,
	CTI_INT_FAST16_TYPE, CTI_INT_FAST32_TYPE, CTI_INT_FAST64_TYPE,
	CTI_UINT_FAST8_TYPE, CTI_UINT_FAST16_TYPE, CTI_UINT_FAST32_TYPE,
	CTI_UINT_FAST64_TYPE, CTI_INTPTR_TYPE, CTI_UINTPTR_TYPE): Define.
	(signed_wchar_type_node, unsigned_wchar_type_node): Remove.
	(underlying_wchar_type_node, sig_atomic_type_node, int8_type_node,
	int16_type_node, int32_type_node, int64_type_node,
	uint8_type_node, uint16_type_node, c_uint32_type_node,
	c_uint64_type_node, int_least8_type_node, int_least16_type_node,
	int_least32_type_node, int_least64_type_node,
	uint_least8_type_node, uint_least16_type_node,
	uint_least32_type_node, uint_least64_type_node,
	int_fast8_type_node, int_fast16_type_node, int_fast32_type_node,
	int_fast64_type_node, uint_fast8_type_node, uint_fast16_type_node,
	uint_fast32_type_node, uint_fast64_type_node, intptr_type_node,
	uintptr_type_node): Define.
	* c-cppbuiltin.c (builtin_define_constants,
	builtin_define_type_minmax): New.
	(builtin_define_stdint_macros): Define more macros.
	(c_cpp_builtins): Define more limit macros.
	(type_suffix): New.
	(builtin_define_type_max): Define in terms of
	builtin_define_type_minmax.  Remove is_long parameter.  All
	callers changed.
	* config.gcc (use_gcc_stdint): Define.
	(tm_file): Add glibc-stdint.h for targets using glibc or uClibc.
	Add newlib-stdint.h for generic targets.
	* config/glibc-stdint.h, config/newlib-stdint.h,
	ginclude/stdint-gcc.h, ginclude/stdint-wrap.h: New.
	* config/m32c/m32c.h (UINTPTR_TYPE): Define.
	* config/score/score.h (UINTPTR_TYPE): Define.
	* config/sol2.h (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE,
	INT32_TYPE, INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE,
	UINT64_TYPE, INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
	INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
	UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
	INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
	UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
	UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Define.
	* config/spu/spu.h (STDINT_LONG32): Define.
	* configure.ac (use_gcc_stdint): Substitute.
	* configure: Regenerate.
	* doc/cpp.texi (__SIG_ATOMIC_TYPE__, __INT8_TYPE__,
	__INT16_TYPE__, __INT32_TYPE__, __INT64_TYPE__, __UINT8_TYPE__,
	__UINT16_TYPE__, __UINT32_TYPE__, __UINT64_TYPE__,
	__INT_LEAST8_TYPE__, __INT_LEAST16_TYPE__, __INT_LEAST32_TYPE__,
	__INT_LEAST64_TYPE__, __UINT_LEAST8_TYPE__, __UINT_LEAST16_TYPE__,
	__UINT_LEAST32_TYPE_, __UINT_LEAST64_TYPE__, __INT_FAST8_TYPE__,
	__INT_FAST16_TYPE__, __INT_FAST32_TYPE__, __INT_FAST64_TYPE__,
	__UINT_FAST8_TYPE__, __UINT_FAST16_TYPE__, __UINT_FAST32_TYPE__,
	__UINT_FAST64_TYPE__, __INTPTR_TYPE__, __UINTPTR_TYPE__,
	__WINT_MAX__, __SIZE_MAX__, __PTRDIFF_MAX__, __UINTMAX_MAX__,
	__SIG_ATOMIC_MAX__, __INT8_MAX__, __INT16_MAX__, __INT32_MAX__,
	__INT64_MAX__, __UINT8_MAX__, __UINT16_MAX__, __UINT32_MAX__,
	__UINT64_MAX__, __INT_LEAST8_MAX__, __INT_LEAST16_MAX__,
	__INT_LEAST32_MAX__, __INT_LEAST64_MAX__, __UINT_LEAST8_MAX__,
	__UINT_LEAST16_MAX__, __UINT_LEAST32_MAX__, __UINT_LEAST64_MAX__,
	__INT_FAST8_MAX__, __INT_FAST16_MAX__, __INT_FAST32_MAX__,
	__INT_FAST64_MAX__, __UINT_FAST8_MAX__, __UINT_FAST16_MAX__,
	__UINT_FAST32_MAX__, __UINT_FAST64_MAX__, __INTPTR_MAX__,
	__UINTPTR_MAX__, __WCHAR_MIN__, __WINT_MIN__, __SIG_ATOMIC_MIN__,
	__INT8_C, __INT16_C, __INT32_C, __INT64_C, __UINT8_C, __UINT16_C,
	__UINT32_C, __UINT64_C, __INTMAX_C, __UINTMAX_C): Document.
	* doc/tm.texi (SIG_ATOMIC_TYPE, INT8_TYPE, INT16_TYPE, INT32_TYPE,
	INT64_TYPE, UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE,
	INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
	INT_LEAST64_TYPE, UINT_LEAST8_TYPE, UINT_LEAST16_TYPE,
	UINT_LEAST32_TYPE, UINT_LEAST64_TYPE, INT_FAST8_TYPE,
	INT_FAST16_TYPE, INT_FAST32_TYPE, INT_FAST64_TYPE,
	UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
	UINT_FAST64_TYPE, INTPTR_TYPE, UINTPTR_TYPE): Document.

2009-03-31  Bernd Schmidt  <bernd.schmidt@analog.com>

	* loop-iv.c (suitable_set_for_replacement): Renamed from
	simplify_using_assignment; changed to return bool and to accept new
	args DEST and SRC.  Return true iff we find a source/destination pair
	that can be used to make a replacement, and fill SRC and DEST if so.
	Remove arg ALTERED.  Don't deal with altered regs here.  All callers
	changed.
	(simplify_using_initial_values): Deal with altered regs here and track
	more precisely the effect they have on the validity of our expression.

	* loop-iv.c (simplify_using_condition): A condition of the form
	(EQ REG CONST) can be used to simply make a substitution.
	(simplify_using_initial_values): Keep track of conditions we have seen
	and keep using them to simplify new expressions, while applying the
	same substitutions to them as to the expression.

	* simplify-rtx.c (simplify_relational_operation_1): Simplify
	(LTU (PLUS a C) C) or (LTU (PLUS a C) a) to (GEU a -C); likewise with
	GEU/LTU reversed.

	* loop-iv.c (determine_max_iter): New arg OLD_NITER.  All callers
	changed.  Use this when trying to improve the upper bound.
	Generate the comparison by using simplify_gen_relational.

	* loop-iv.c (simple_rhs_p): Allow more kinds of expressions.

	* loop-iv.c (replace_single_def_regs, replace_in_expr): New static
	functions.
	(simplify_using_assignment, simplify_using_initial_values): Call
	replace_in_expr to make replacements.  Call replace_single_def_regs
	once on the initial version of the expression.

2009-03-31  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/27237
	* doc/invoke.texi (ARM Options): Update documentation for -mthumb.

2009-03-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/31029
	* fold-const.c (fold_binary): Fold X +- Y CMP X to Y CMP 0 for
	equality comparisons.  Fold C - X CMP X if C % 2 == 1.

2009-03-31  Richard Guenther  <rguenther@suse.de>

	* tree.h (div_if_zero_remainder): Declare.
	* fold-const.c (div_if_zero_remainder): Export.
	* tree-ssa-forwprop.c
	(forward_propagate_addr_into_variable_array_index): Handle
	constant array index addition outside of the variable index.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR target/39592
	* config/i386/i386.md (*floatunssi<mode>2_1, two unnamed
	define_splits, floatunssi<mode>2): Require x87 conversions from
	DImode to be permitted.

2009-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/15638
	* c-common.c (c_cpp_error): Handle CPP_DL_FATAL.

2009-03-31  Richard Guenther  <rguenther@suse.de>

	PR middle-end/23401
	PR middle-end/27810
	* tree.h (DECL_GIMPLE_FORMAL_TEMP_P): Remove.
	(struct tree_decl_with_vis): Remove gimple_formal_temp member.
	* tree-eh.c (lower_eh_constructs_2): Move LHS assignment to
	a separate statement.
	* gimplify.c (pop_gimplify_context): Remove formal temp handling.
	(lookup_tmp_var): Likewise.
	(is_gimple_formal_tmp_or_call_rhs): Remove.
	(is_gimple_reg_or_call_rhs): Rename to ...
	(is_gimple_reg_rhs_or_call): ... this.
	(is_gimple_mem_or_call_rhs): Rename to ...
	(is_gimple_mem_rhs_or_call): ... this.
	(internal_get_tmp_var): Use is_gimple_reg_rhs_or_call.  Set
	DECL_GIMPLE_REG_P only if is_formal is true.
	(gimplify_compound_lval): Use is_gimple_reg.  Remove workaround
	for non-proper post-modify expression gimplification.
	(gimplify_self_mod_expr): For post-modify expressions gimplify
	the lvalue to a minimal lvalue.
	(rhs_predicate_for): Remove formal temp case.
	(gimplify_modify_expr_rhs): Likewise.
	(gimplify_addr_expr): Use is_gimple_reg.
	(gimplify_expr): Remove formal temp cases.
	(gimple_regimplify_operands): Likewise.
	* tree-ssa-pre.c (get_or_alloc_expr_for): Treat EXC_PTR_EXPR
	and FILTER_EXPR like constants.
	* gimple.c (walk_gimple_op): Fix val_only initialization, use
	is_gimple_reg.
	(is_gimple_formal_tmp_rhs): Remove.
	(is_gimple_reg_rhs): Remove special casing.
	(is_gimple_mem_rhs): Fix.
	(is_gimple_reg): Move DECL_GIMPLE_REG_P handling earlier.
	(is_gimple_formal_tmp_var): Remove.
	(is_gimple_formal_tmp_reg): Likewise.
	(is_gimple_min_lval): Allow invariant component ref parts.
	* gimple.h (is_gimple_formal_tmp_rhs, is_gimple_formal_tmp_var,
	is_gimple_formal_tmp_reg): Remove declarations.
	* tree-cfg.c (verify_expr): Verify that variables with address
	taken do not have DECL_GIMPLE_REG_P set.
	* tree-mudflap.c (mf_build_check_statement_for): Use
	force_gimple_operand instead of gimplify_expr.

2009-03-31  Ayal Zaks  <zaks@il.ibm.com>

	* modulo-sched.c (sms_schedule_by_order): Pass the actual
	schedulable rows to compute_split_row.

2009-03-31  Ben Elliston  <bje@au.ibm.com>

	PR target/31635
	* config/rs6000/rs6000.c (rs6000_handle_option): Handle
	OPT_mvrsave.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

	* doc/invoke.texi (RS/6000 and PowerPC Options):Document mtls-markers.
	* configure.ac (HAVE_AS_TLS_MARKERS): New gas feature check.
	* configure: Regenerate.
	* config.in: Regenerate.
	* config/rs6000/rs6000.opt (mtls-markers): Add.
	* config/rs6000/rs6000.h (TARGET_TLS_MARKERS): Define.
	* config/rs6000/rs6000.md (tls_gd_aix, tls_gd_sysv): Add splitter.
	(tls_ld_aix, tls_ld_sysv): Likewise.
	(tls_gd, tls_gd_call_aix, tls_gd_call_sysv): New insns.
	(tls_ld, tls_ld_call_aix, tls_ld_call_sysv): Likewise.

2009-03-31  Alan Modra  <amodra@bigpond.net.au>

	* config/spu/spu.c (spu_expand_prologue): Delete redundant code.

2009-03-30  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (make_eh_edges): Set probability 100% to first edge
	out of RESX.
	(tree_remove_unreachable_handlers): Cleanup EH predecestor
	detection and label handling.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (ira_allocno): Rename left_conflicts_num to
	left_conflicts_size.
	(ALLOCNO_LEFT_CONFLICTS_NUM): Rename to
	ALLOCNO_LEFT_CONFLICTS_SIZE.

	* ira-color.c (allocno_spill_priority, push_allocno_to_stack,
	remove_allocno_from_bucket_and_push,
	allocno_spill_priority_compare, push_allocnos_to_stack,
	setup_allocno_available_regs_num): Use ALLOCNO_LEFT_CONFLICTS_SIZE
	instead of ALLOCNO_LEFT_CONFLICTS_NUM.
	(setup_allocno_left_conflicts_num): Ditto.  Rename to
	setup_allocno_left_conflicts_size.
	(put_allocno_into_bucket): Use ALLOCNO_LEFT_CONFLICTS_SIZE
	instead of ALLOCNO_LEFT_CONFLICTS_NUM and
	setup_allocno_left_conflicts_size instead of
	setup_allocno_left_conflicts_num.

	* ira-build.c (ira_create_allocno): Use
	ALLOCNO_LEFT_CONFLICTS_SIZE instead of
	ALLOCNO_LEFT_CONFLICTS_NUM.

2009-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	* reload.c (push_reload, find_dummy_reload): Use df_get_live_out
	instead of DF_LR_OUT.

	* ira-lives.c (process_bb_node_lives): Ditto.

	* ira-color.c (ira_loop_edge_freq): Use df_get_live_{out,in}
	instead of DF_LR_{OUT,IN}.

	* ira-emit.c (generate_edge_moves, add_ranges_and_copies): Ditto.

	* ira-build.c (create_bb_allocnos, create_loop_allocnos): Ditto.

2009-03-30  Jan Hubicka  <jh@suse.cz>

	* except.c (label_to_region_map): Fix thinko.

2009-03-30  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/38237
	* tree.h (tree_find_value): New declaration.
	* tree.c (tree_find_value): New function.
	* varasm.c (assemble_external): Avoid duplicate entries on lists.

2009-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39563
	* c-decl.c (struct c_binding): Add locus field.
	(bind): Add locus argument, set locus field from it.
	(pop_scope): For b->nested VAR_DECL or FUNCTION_DECL,
	add a DECL_EXTERNAL copy of b->decl to current BLOCK_VARS.
	(push_file_scope, pushtag, pushdecl, pushdecl_top_level,
	implicitly_declare, undeclared_variable, lookup_label,
	declare_label, c_make_fname_decl, c_builtin_function,
	c_builtin_function_ext_scope, store_parm_decls_newstyle): Adjust
	bind callers.

2009-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38781
	* config/i386/i386.c (classify_argument): Check total size of
	structure.

2009-03-30  Martin Jambor  <mjambor@suse.cz>

	* ipa-prop.h (jump_func_type): Rename IPA_UNKNOWN, IPA_CONST,
	IPA_CONST_MEMBER_PTR, and IPA_PASS_THROUGH to IPA_JF_UNKNOWN,
	IPA_JF_CONST, IPA_JF_CONST_MEMBER_PTR, and IPA_JF_PASS_THROUGH
	respectively.

	* tree-dfa.c (get_ref_base_and_extent): Return -1 maxsize if
	seen_variable_array_ref while also traversing a union.

	* tree-inline.c (optimize_inline_calls): Do not call
	cgraph_node_remove_callees.
	* cgraphbuild.c (remove_cgraph_callee_edges): New function.
	(pass_remove_cgraph_callee_edges): New variable.
	* passes.c (init_optimization_passes): Add
	pass_remove_cgraph_callee_edges after early inlining and before all
	late intraprocedural passes.

	* omp-low.c (expand_omp_taskreg): Always set current_function_decl.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* config/sparc/sparc.md (*nand<V64mode>_vis, *nand<V32mode>_vis):
	Fix typos in names.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* combine.c (simplify_comparison): Use have_insn_for.
	* dojump.c (do_jump): Likewise.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* config/sparc/sparc.c (sparc_compare_emitted): Remove.
	(gen_compare_reg, emit_v9_brxx_insn): Handle MODE_CC
	sparc_compare_op0 like sparc_compare_emitted used to be handled.
	(sparc_expand_compare_and_swap_12): Set sparc_compare_op0
	instead of sparc_compare_emitted.
	* config/sparc/sparc.h (sparc_compare_emitted): Remove.
	* config/sparc/sparc.md (stack_protect_test): Set sparc_compare_op0
	instead of sparc_compare_emitted.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* bb-reorder.c (partition_hot_cold_basic_blocks): Do not
	enter/exit cfglayout mode.
	(pass_partition_block): Require it.
	* combine.c (find_single_use, reg_dead_at_p): Use CFG.
	(combine_instructions): Track basic blocks instead of labels.
	(update_cfg_for_uncondjump): New.
	(try_combine): Use it.  Update jumps after rescanning.
	(pass_combine): Require PROP_cfglayout.
	* passes.c (pass_outof_cfg_layout_mode): Move after regmove.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* cfglayout.c (pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode):
	Provide/destroy PROP_cfglayout respectively.
	* gcse.c (pass_jump_bypass, pass_gcse): Require it.
	* tree-pass.h (PROP_cfglayout): New.

2009-03-30  Paolo Bonzini  <bonzini@gnu.org>

	* fold-const.c (const_binop, fold_convert_const_real_from_fixed,
	fold_convert_const_fixed_from_fixed,
	fold_convert_const_fixed_from_int,
	fold_convert_const_fixed_from_real, fold_negate_const): Do not
	set TREE_CONSTANT_OVERFLOW.
	* tree.def: Remove mention of TREE_CONSTANT_OVERFLOW.
	* tree.h (TREE_CONSTANT_OVERFLOW): Delete.

2009-03-30  Ira Rosen  <irar@il.ibm.com>

	* tree-vect-loop-manip.c: New file.
	* tree-vectorizer.c: Update documentation and included files.
	(vect_loop_location): Make extern.
	(rename_use_op): Move to tree-vect-loop-manip.c
	(rename_variables_in_bb, rename_variables_in_loop,
	slpeel_update_phis_for_duplicate_loop,
	slpeel_update_phi_nodes_for_guard1,
	slpeel_update_phi_nodes_for_guard2, slpeel_make_loop_iterate_ntimes,
	slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_add_loop_guard,
	slpeel_can_duplicate_loop_p, slpeel_verify_cfg_after_peeling,
	set_prologue_iterations, slpeel_tree_peel_loop_to_edge,
	find_loop_location): Likewise.
	(new_stmt_vec_info): Move to tree-vect-stmts.c.
	(init_stmt_vec_info_vec, free_stmt_vec_info_vec, free_stmt_vec_info,
	get_vectype_for_scalar_type, vect_is_simple_use,
	supportable_widening_operation, supportable_narrowing_operation):
	Likewise.
	(bb_in_loop_p): Move to tree-vect-loop.c.
	(new_loop_vec_info, destroy_loop_vec_info,
	reduction_code_for_scalar_code, report_vect_op,
	vect_is_simple_reduction, vect_is_simple_iv_evolution): Likewise.
	(vect_can_force_dr_alignment_p): Move to tree-vect-data-refs.c.
	(vect_supportable_dr_alignment): Likewise.
	* tree-vectorizer.h (tree-data-ref.h): Include.
	(vect_loop_location): Declare.
	Reorganize function declarations according to the new file structure.
	* tree-vect-loop.c: New file.
	* tree-vect-analyze.c: Remove. Move functions to tree-vect-data-refs.c,
	tree-vect-stmts.c, tree-vect-slp.c, tree-vect-loop.c.
	* tree-vect-data-refs.c: New file.
	* tree-vect-patterns.c (timevar.h): Don't include.
	* tree-vect-stmts.c: New file.
	* tree-vect-transform.c: Remove. Move functions to tree-vect-stmts.c,
	tree-vect-slp.c, tree-vect-loop.c.
	* Makefile.in (OBJS-common): Remove tree-vect-analyze.o and
	tree-vect-transform.o. Add tree-vect-data-refs.o, tree-vect-stmts.o,
	tree-vect-loop.o, tree-vect-loop-manip.o, tree-vect-slp.o.
	(tree-vect-analyze.o): Remove.
	(tree-vect-transform.o): Likewise.
	(tree-vect-data-refs.o): Add rule.
	(tree-vect-stmts.o, tree-vect-loop.o, tree-vect-loop-manip.o,
	tree-vect-slp.o): Likewise.
	(tree-vect-patterns.o): Remove redundant dependencies.
	(tree-vectorizer.o): Likewise.
	* tree-vect-slp.c: New file.

2009-03-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* optc-gen.awk: Warn if an option flag has multiple different
	help strings.

2009-03-30  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/invoke.texi (-floop-interchange, -floop-strip-mine,
	-floop-block): Document dependences on PPL, CLooG and Graphite.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR rtl-optimization/323
	* c-common.c (c_fully_fold, convert_and_check,
	c_common_truthvalue_conversion): Handle EXCESS_PRECISION_EXPR.
	(c_fully_fold_internal): Disallow EXCESS_PRECISION_EXPR.
	* c-common.def (EXCESS_PRECISION_EXPR): New.
	* c-cppbuiltin.c (builtin_define_float_constants): Define
	constants with enough digits for long double.
	* c-lex.c (interpret_float): Interpret constant with excess
	precision where appropriate.
	* c-opts.c (c_common_post_options): Set
	flag_excess_precision_cmdline.  Give an error for
	-fexcess-precision=standard for C++ for processors where the
	option is significant.
	* c-parser.c (c_parser_conditional_expression): Handle excess
	precision in condition.
	* c-typeck.c (convert_arguments): Handle arguments with excess
	precision.
	(build_unary_op): Move excess precision outside operation.
	(build_conditional_expr): Likewise.
	(build_compound_expr): Likewise.
	(build_c_cast): Do cast on operand of EXCESS_PRECISION_EXPR.
	(build_modify_expr): Handle excess precision in RHS.
	(convert_for_assignment): Handle excess precision in converted
	value.
	(digest_init, output_init_element, process_init_element): Handle
	excess precision in initializer.
	(c_finish_return): Handle excess precision in return value.
	(build_binary_op): Handle excess precision in operands and add
	excess precision as needed for operation.
	* common.opt (-fexcess-precision=): New option.
	* config/i386/i386.h (X87_ENABLE_ARITH, X87_ENABLE_FLOAT): New.
	* config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
	For standard excess precision, output explicit conversion to and
	truncation from XFmode.
	(*float<SSEMODEI24:mode><X87MODEF:mode>2_1,
	*float<SSEMODEI24:mode><X87MODEF:mode>2_i387_with_temp,
	*float<SSEMODEI24:mode><X87MODEF:mode>2_i387, two unnamed
	define_splits, floatdi<X87MODEF:mode>2_i387_with_xmm, two unnamed
	define_splits, *floatunssi<mode>2_1, two unnamed define_splits,
	floatunssi<mode>2, add<mode>3, sub<mode>3, mul<mode>3, divdf3,
	divsf3, *fop_<mode>_comm_i387, *fop_<mode>_1_i387,
	*fop_<MODEF:mode>_2_i387, *fop_<MODEF:mode>_3_i387,
	*fop_df_4_i387, *fop_df_5_i387, *fop_df_6_i387, two unnamed
	define_splits, sqrt<mode>2): Disable where appropriate for
	standard excess precision.
	* convert.c (convert_to_real): Do not shorten arithmetic to type
	for which excess precision would be used.
	* defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Define.
	* doc/invoke.texi (-fexcess-precision=): Document option.
	(-mfpmath=): Correct index entry.
	* flags.h (enum excess_precision, flag_excess_precision_cmdline,
	flag_excess_precision): New.
	* langhooks.c (lhd_post_options): Set
	flag_excess_precision_cmdline.
	* opts.c (common_handle_option): Handle -fexcess-precision=.
	* toplev.c (flag_excess_precision_cmdline, flag_excess_precision,
	init_excess_precision): New.
	(lang_dependent_init_target): Call init_excess_precision.
	* tree.c (excess_precision_type): New.
	* tree.h (excess_precision_type): Declare.

2009-03-30  Joseph Myers  <joseph@codesourcery.com>

	PR c/35235
	* c-typeck.c (build_component_ref): Do not copy qualifiers from
	non-lvalue to component.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/34695
	* Makefile.in (c-opts.o): Depend on c-tree.h.
	* c-common.c: Move down include of diagnostic.h.
	(done_lexing, c_cpp_error): New.
	* c-common.h (done_lexing): Declare.
	* c-decl.c (c_write_global_declarations): Don't check cpp_errors
	(parse_in).
	* c-opts.c: Include c-tree.h.
	(c_common_init_options): Set preprocessor error callback.
	(c_common_handle_option): Do not set preprocessor
	inhibit_warnings, warnings_are_errors, warn_system_headers,
	pedantic_errors or inhibit_warnings flags.
	(c_common_post_options): Do not check cpp_errors (parse_in).
	(c_common_finish): Do not output dependencies if there were
	errors.  Do not check return value of cpp_finish.
	* c-ppoutput.c (pp_file_change): Set input_location.
	* c-tree.h (c_cpp_error): Declare.
	* diagnostic.c (diagnostic_set_info_translated): Also initialize
	override_column.
	(diagnostic_build_prefix): Check override_column.
	* diagnostic.h (diagnostic_info): Add override_column field.
	(diagnostic_override_column): Define.

2009-03-28  Paolo Bonzini  <bonzini@gnu.org>

	* c-common.c (c_expand_expr, c_staticp): Remove.
	* c-common.def (COMPOUND_LITERAL_EXPR): Delete.
	* c-common.h (emit_local_var, c_staticp, COMPOUND_LITERAL_EXPR_DECL,
	COMPOUND_LITERAL_EXPR_DECL_EXPR): Remove.
	* c-gimplify.c (gimplify_compound_literal_expr,
	optimize_compound_literals_in_ctor): Remove.
	(c_gimplify_expr): Remove COMPOUND_LITERAL_EXPR handling.
	* c-objc-common.h (LANG_HOOKS_STATICP): Remove.
	* c-semantics.c (emit_local_var): Remove.

	* langhooks-def.h (lhd_expand_expr): Remove.
	* langhooks.c (lhd_expand_expr): Remove.
	* langhooks.h (LANG_HOOKS_DEF): Remove LANG_HOOKS_EXPAND_EXPR.

	* expr.c (expand_expr_real_1): Move COMPOUND_LITERAL_EXPR
	handling from c-semantics.c; don't call into langhook.
	(expand_expr_addr_expr_1): Check that we don't get non-GENERIC trees.
	* gimplify.c (gimplify_compound_literal_expr,
	optimize_compound_literals_in_ctor): Move from c-gimplify.c.
	(gimplify_init_constructor): Call optimize_compound_literals_in_ctor.
	(gimplify_modify_expr_rhs, gimplify_expr): Handle COMPOUND_LITERAL_EXPR
	as was done in c-gimplify.c.
	* tree.c (staticp): Move COMPOUND_LITERAL_EXPR handling from c_staticp.
	* tree.h (COMPOUND_LITERAL_EXPR_DECL, COMPOUND_LITERAL_EXPR_DECL_EXPR):
	Move from c-common.h.
	* tree.def (COMPOUND_LITERAL_EXPR): Move from c-common.def.

	* tree.c (staticp): Do not call langhook.
	* langhooks.c (lhd_staticp): Delete.
	* langhooks-def.h (lhd_staticp): Delete prototype.
	(LANG_HOOKS_STATICP): Delete.
	(LANG_HOOKS_INITIALIZER): Delete LANG_HOOKS_STATICP.

	* doc/c-tree.texi (Expression nodes): Refer to DECL_EXPRs
	instead of DECL_STMTs.

2009-03-29  Joseph Myers  <joseph@codesourcery.com>

	PR c/456
	PR c/5675
	PR c/19976
	PR c/29116
	PR c/31871
	PR c/35198
	* builtins.c (fold_builtin_sincos): Build COMPOUND_EXPR in
	void_type_node.
	(fold_call_expr): Return a NOP_EXPR from folding rather than the
	contained expression.
	* c-common.c (c_fully_fold, c_fully_fold_internal, c_save_expr): New.
	(c_common_truthvalue_conversion): Use c_save_expr.  Do not fold
	conditional expressions for C.
	(decl_constant_value_for_optimization): Move from
 	decl_constant_value_for_broken_optimization in c-typeck.c.  Check
	whether optimizing and that the expression is a VAR_DECL not of
	array type instead of doing such checks in the caller.  Do not
	check pedantic.  Call gcc_unreachable for C++.
	* c-common.def (C_MAYBE_CONST_EXPR): New.
	* c-common.h (c_fully_fold, c_save_expr,
	decl_constant_value_for_optimization): New prototypes.
	(C_MAYBE_CONST_EXPR_PRE, C_MAYBE_CONST_EXPR_EXPR,
	C_MAYBE_CONST_EXPR_INT_OPERANDS, C_MAYBE_CONST_EXPR_NON_CONST,
	EXPR_INT_CONST_OPERANDS): Define.
	* c-convert.c (convert): Strip nops from expression.
	* c-decl.c (groktypename): Take extra parameters expr and
	expr_const_operands.  Update call to grokdeclarator.
	(start_decl): Update call to grokdeclarator.  Add statement for
	expressions used in type of decl.
	(grokparm): Update call to grokdeclarator.
	(push_parm_decl): Update call to grokdeclarator.
	(build_compound_literal): Add parameter non_const and build a
	C_MAYBE_COSNT_EXPR if applicable.
	(grokdeclarator): Take extra parameters expr and
	expr_const_operands.  Track expressions used in declaration
	specifiers and declarators.  Fold array sizes and track whether
	they are constant expressions and whether they are integer
	constant expressions.
	(parser_xref_tag): Set expr and expr_const_operands fields in
	return value.
	(grokfield): Update call to grokdeclarator.
	(start_function): Update call to grokdeclarator.
	(build_null_declspecs): Set expr and expr_const_operands fields in
	return value.
	(declspecs_add_type): Handle expressions in typeof specifiers.
	* c-parser.c (c_parser_declspecs): Set expr and
	expr_const_operands fields for declaration specifiers.
	(c_parser_enum_specifier): Likewise.
	(c_parser_struct_or_union_specifier): Likewise.
	(c_parser_typeof_specifier): Likewise.  Update call to
	groktypename.  Fold expression as needed.  Return expressions with
	type instead of adding statements.
	(c_parser_attributes): Update calls to c_parser_expr_list.
	(c_parser_statement_after_labels): Fold expression before passing
	to objc_build_throw_stmt.
	(c_parser_condition): Fold expression.
	(c_parser_asm_operands): Fold expression.
	(c_parser_conditional_expression): Use c_save_expr.  Update call
	to build_conditional_expr.
	(c_parser_alignof_expression): Update call to groktypename.
	(c_parser_postfix_expression): Preserve C_MAYBE_CONST_EXPR as
	original_code.  Fold expression argument of va_arg.  Create
	C_MAYBE_CONST_EXPR to preserve side effects of expressions in type
	argument to va_arg.  Update calls to groktypename.  Fold array
	index for offsetof.  Verify that first argument to
	__builtin_choose_expr has integer type.
	(c_parser_postfix_expression_after_paren_type): Update calls to
	groktypename and build_compound_literal.  Handle expressions with
	side effects in type name.
	(c_parser_postfix_expression_after_primary): Update call to
	c_parser_expr_list.  Set original_code for calls to
	__builtin_constant_p.
	(c_parser_expr_list): Take extra parameter fold_p.  Fold
	expressions if requested.
	(c_parser_objc_type_name): Update call to groktypename.
	(c_parser_objc_synchronized_statement): Fold expression.
	(c_parser_objc_receiver): Fold expression.
	(c_parser_objc_keywordexpr): Update call to c_parser_expr_list.
	(c_parser_omp_clause_num_threads, c_parser_omp_clause_schedule,
	c_parser_omp_atomic, c_parser_omp_for_loop): Fold expressions.
	* c-tree.h (CONSTRUCTOR_NON_CONST): Define.
	(struct c_typespec): Add elements expr and expr_const_operands.
	(struct c_declspecs): Add elements expr and expr_const_operands.
	(groktypename, build_conditional_expr, build_compound_literal):
	Update prototypes.
	(in_late_binary_op): Declare.
	* c-typeck.c (note_integer_operands): New function.
	(in_late_binary_op): New variable.
	(decl_constant_value_for_broken_optimization): Move to c-common.c
	and rename to decl_constant_value_for_optimization.
	(default_function_array_conversion): Do not strip nops.
	(default_conversion): Do not call
	decl_constant_value_for_broken_optimization.
	(build_array_ref): Do not fold result.
	(c_expr_sizeof_expr): Fold operand.  Use C_MAYBE_CONST_EXPR for
	result when operand is a VLA.
	(c_expr_sizeof_type): Update call to groktypename.  Handle
	expressions included in type name.  Use C_MAYBE_CONST_EXPR for
	result when operand names a VLA type.
	(build_function_call): Update call to build_compound_literal.
	Only fold result for calls to __builtin_* functions.  Strip
	NOP_EXPR from INTEGER_CST returned from such functions.  Fold
	the function designator.
	(convert_arguments): Fold arguments.  Update call to
	convert_for_assignment.
	(build_unary_op): Handle increment and decrement of
	C_MAYBE_CONST_EXPR.  Move lvalue checks for increment and
	decrement earlier.  Fold operand of increment and decrement.
	Handle address of C_MAYBE_CONST_EXPR.  Only fold expression being
	built for integer operand.  Wrap returns that are INTEGER_CSTs
	without being integer constant expressions or that have integer
	constant operands without being INTEGER_CSTs.
	(lvalue_p): Handle C_MAYBE_CONST_EXPR.
	(build_conditional_expr): Add operand ifexp_bcp.  Track whether
	result is an integer constant expression or can be used in
	unevaluated parts of one and avoid folding and wrap as
	appropriate.  Fold operands before possibly doing -Wsign-compare
	warnings.
	(build_compound_expr): Wrap result for C99 if operands can be used
	in integer constant expressions.
	(build_c_cast): Update call to digest_init.  Do not ignore
	overflow from casting floating-point constants to integers.  Wrap
	results that could be confused with integer constant expressions,
	null pointer constants or floating-point constants.
	(c_cast_expr): Update call to groktypename.  Handle expressions
	included in type name.
	(build_modify_expr): Handle modifying a C_MAYBE_CONST_EXPR.  Fold
	lhs inside possible SAVE_EXPR.  Fold RHS before assignment.
	Update calls to convert_for_assignment.
	(convert_for_assignment): Take new parameter
	null_pointer_constant.  Do not strip nops or call
	decl_constant_value_for_broken_optimization.  Set
	in_late_binary_op for conversions to boolean.
	(store_init_value): Update call to digest_init.
	(digest_init): Take new parameter null_pointer_constant.  Do not
	call decl_constant_value_for_broken_optimization.  pedwarn for
	initializers not constant expressions.  Update calls to
	convert_for_assignment.
	(constructor_nonconst): New.
	(struct constructor_stack): Add nonconst element.
	(really_start_incremental_init, push_init_level, pop_init_level):
	Handle constructor_nonconst and nonconst element.
	(set_init_index): Call constant_expression_warning for array
	designators.
	(output_init_element): Fold value.  Set constructor_nonconst as
	applicable.  pedwarn for initializers not constant expressions.
	Update call to digest_init.  Call constant_expression_warning
	where constant initializers are required.
	(process_init_element): Use c_save_expr.
	(c_finish_goto_ptr): Fold expression.
	(c_finish_return): Fold return value.  Update call to
	convert_for_assignment.
	(c_start_case): Fold switch expression.
	(c_process_expr_stmt): Fold expression.
	(c_finish_stmt_expr): Create C_MAYBE_CONST_EXPR as needed to
	ensure statement expression is not evaluated in constant expression.
	(build_binary_op): Track whether results are integer constant
	expressions or may occur in such, disable folding and wrap results
	as applicable.  Fold operands for -Wsign-compare warnings unless
	in_late_binary_op.
	(c_objc_common_truthvalue_conversion): Handle results folded to
	integer constants that are not integer constant expressions.
	* doc/extend.texi: Document when typeof operands are evaluated,
	that condition of __builtin_choose_expr is an integer constant
	expression, and more about use of __builtin_constant_p in
	initializers.

2009-03-29  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
	propagate addresses of array references.

2009-03-29  Steven Bosscher  <steven@gcc.gnu.org>

	* regmove.c (perhaps_ends_bb_p): Remove.
	(optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
	from INSN and check that the main loop stays within that basic block.
	(optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
	(regmove_forward_pass): Split out from regmove_optimize.  Use
	FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
	(regmove_backward_pass): Split out from regmove_optimize.  Use
	FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
	(regmove_optimize): Simplify.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39545
	* config/i386/i386.c (classify_argument): Ignore flexible array
	member in struct and warn ABI change.

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_agi_dependent): New.

	* config/i386/i386.c (ix86_agi_dependent): Rewrite.
	(ix86_adjust_cost): Updated.

2009-03-29  Jan Hubicka  <jh@suse.cz>

	PR middle-end/28850
	* tree-pass.h (pass_cleanup_eh): New function.
	(remove_unreachable_regions): Break code handling RTL
	to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
	that can not be reached by runtime.
	(can_be_reached_by_runtime): New function.
	(label_to_region_map): New function.
	(num_eh_regions): New function.
	(rtl_remove_unreachable_regions): New function.
	(convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
	(remove_eh_region): New function.
	* except.h: Include sbitmap and vecprim.
	(remove_eh_region, remove_unreachable_regions, label_to_region_map,
	num_eh_regions): Declare.
	* passes.c (init_optimization_passes): Schedule cleanup_eh.
	* Makefile.in (EXCEPT_H): New; replace all uses of except.h by it.
	* tree-eh.c (tree_remove_unreachable_handlers): New function.
	(tree_empty_eh_handler_p): New function.
	(cleanup_empty_eh): New function.
	(cleanup_eh): New function.
	(pass_cleanup_eh): New function.

2009-03-29  Jan Hubicka  <jh@suse.cz>

	* except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
	for removed regions.

2009-03-29  Jan Hubicka  <jh@suse.cz>

	* except.c (dump_eh_tree): Dump all datastructures.

2009-03-29  Jan Hubicka  <jh@suse.cz>

	* except.c (duplicate_eh_regions_0): Handle AKA bitmap.
	(duplicate_eh_regions_1): Likewise.
	(duplicate_eh_regions): Likewise; cleanup code gorwing the region
	vector; call EH verification.
	(foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
	Be ready for region being removed.

2009-03-29  Jan Hubicka  <jh@suse.cz>

	* bitmap.c (bitmap_last_set_bit): New function.
	* bitmap.h (bitmap_last_set_bit): Declare.

2009-03-29  David Ayers  <ayers@fsfe.org>

	PR objc/27377
	* c-typeck.c (build_conditional_expr): Emit ObjC warnings
	by calling objc_compare_types and surpress warnings about
	incompatible C pointers that are compatible ObjC pointers.

2009-03-29  Adam Nemet  <anemet@caviumnetworks.com>

	* cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
	call initialize_inline_failed.
	(initialize_inline_failed): Move it from here ...
	* cgraph.c (initialize_inline_failed): ... to here.
	(cgraph_create_edge): Call initialize_inline_failed rather than
	setting inline_failed directly.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

	PR target/32542
	* sysv4.opt (msdata): Improve comment.
	* linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
	* sysv4.h (SVR4_ASM_SPEC): Likewise.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

	PR target/30451
	* config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
	load and store attributes.

2009-03-29  Ben Elliston  <bje@au.ibm.com>

	* config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
	(ix86_init_builtins): Add built-in function __builtin_huge_valq.
	(ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
	* doc/extend.texi (X86 Built-in Functions): Add index entries for
	__builtin_infq and __builtin_huge_valq.

2009-03-28  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
	atmega8m1 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

2009-03-28  Xinliang David Li  <davidxl@google.com>

	* tree-ssa-ccp.c (ccp_finalize): Add dbg_count support.
	(do_dbg_cnt): New function.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	Merge from pretty-ipa:

	2009-03-27  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Add replace output flag by process.
	* tree-pass.h (function_called_by_processed_nodes_p): Declare.
	* passes.c (function_called_by_processed_nodes_p): New.
	* ipa-pure-const.c (check_call): Fix handling of operands.
	(analyze_function): Dump debug output for skipped bodies.
	(local_pure_const): Use function_called_by_processed_nodes_p.
	* dwarf2out.c (reference_to_unused): Use output.
	* passes.c (do_per_function_toporder): Likewise.

	2008-11-12  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
	* ipa-pure-const.c (funct_state_d): Add can throw field; make
	state_set_in_source enum
	(check_decl): Ignore memory tags; do not set fake looping flags;
	dump diagnostics.
	(check_operand, check_tree, check_rhs_var, check_lhs_var,
	get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
	(check_call, analyze_function): Rewrite.
	(check_stmt): New.
	(add_new_function): Update call of analyze_function.
	(generate_summary): Add call of analyze_function.
	(propagate): Propagate can_throw; handle state_set_in_source correctly.
	(local_pure_const): New function.
	(pass_local_pure_const): New pass.
	* ipa-inline.c (inline_transform): Set after_inlining.
	* tree-eh.c (stmt_can_throw_external): New.
	* tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
	work with aliasing built.
	* tree-flow.h (stmt_can_throw_external): New.
	* passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
	and local pure/const pass in early and late optimization queue.

2009-03-28  Martin Jambor  <mjambor@suse.cz>

	* fold-const.c (get_pointer_modulus_and_residue): New parameter
	allow_func_align.
	(fold_binary): Allow function decl aligment consideration is the
	second argument is integer constant one.
	* tree-ssa-forwprop.c (simplify_bitwise_and): New function.
	(tree_ssa_forward_propagate_single_use_vars): Handle assing statements
	with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
	* tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
	* function.h (rtl_data): Add nothrow flag.
	* except.c (set_nothrow_function_flags): Use crtl->nothrow;
	set DECL_NOTHROW for AVAILABLE functions.

2009-03-28  Jakub Jelinek  <jakub@redhat.com>

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
	following vector keyword has expansion starting with pixel or bool
	keyword, expand vector to __vector and pixel or bool to __pixel or
	__bool.

	PR c++/39554
	* opts.c (warning_disallowed_functions, warn_disallowed_functions,
	warn_if_disallowed_function_p): Removed.
	(common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't call
	warning_if_disallowed_function_p.
	* flags.h (warn_if_disallowed_function_p,
	warn_disallowed_functions): Removed.
	* common.opt (Wdisallowed-function-list=): Removed.
	* doc/invoke.texi (-Wdisallowed-function-list=): Removed.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38723
	* tree-ssa-pre.c (compute_avail): Add all default definitions to
	the entry block.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
	test introduced by my previous patch.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
	the PHIs value undefined.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (pass_fixup_cfg): New pass.
	* ipa-inline.c (inline_transform): Set
	always_inline_functions_inlined/after_inlining.
	* tree-optimize.c (execute_fixup_cfg): Do not set them here.
	(pass_fixup_cfg): New pass.
	* passes.c (init_optimization_passes): Add fixup_cfg.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38458
	* tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
	argument use the arguments copy-of value.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38180
	* tree-ssa-ccp.c (get_default_value): Simplify.
	(likely_value): Likewise.
	(surely_varying_stmt_p): Properly handle VOP case.
	(ccp_initialize): Likewise.
	(ccp_fold): Handle propagating through *&.
	(fold_const_aggregate_ref): Also handle decls.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (dump_cgraph_node): Add replace output flag by process.
	* cgraph.h (cgraph_node): Likewise.
	* cgraphunit.c (cgraph_process_new_functions): Set process flag.
	(cgraph_reset_node): Use process flag.
	(cgraph_mark_functions_to_output): Likewise.
	(cgraph_expand_function): Likewise.
	(cgraph_expand_all_functions): Likewise.
	(cgraph_output_in_order): Likewise.
	* dwarf2out.c (reference_to_unused): Likewise.
	* passes.c do_per_function_toporder): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	Bring from lto-branch:

	2008-09-03  Doug Kwan  <dougkwan@google.com>

	* cgraphbuild.c (initialize_inline_failed): Use cgraph_inline_failed_t
	enums instead of reason strings.
	* cgraph.c (cgraph_create_edge): Same.
	(cgraph_inline_failed_string): New function.
	* cgraph.h (cgraph_inline_failed_t): New enum type.
	(cgraph_inline_failed_string): New prototype.
	(struct cgraph_edge): Change type of INLINED_FAILED from constant
	char pointer to cgraph_inline_failed_t.
	(cgraph_inline_p): Adjust prototype to use cgraph_inline_failed_t.
	(cgraph_default_inline_p): Ditto.
	* cgraphunit.c (cgraph_inline_p): Change type of parameter REASON
	to cgraph_inline_failed_t pointer.
	* cif-code.def: New file.
	* ipa-inline.c (cgraph_mark_inline_edge): Use an enum instead of a
	reason string.
	(cgraph_check_inline_limits): Change type of REASON to pointer to
	cgraph_inline_failed_t.  Replace reason strings with enums.
	(cgraph_default_inline_p): Ditto.
	(cgraph_recursive_inlining_p): Ditto.
	(update_caller_keys): Change type of FAILED_REASON to
	cgraph_inline_failed_t.
	(cgraph_set_inline_failed): Change type of REASON to pointer to
	cgraph_inline_failed_t.  Call cgraph_inline_failed_string to
	convert enums to strings for text output.
	(cgraph_decide_inlining_of_small_function): Change FAILED_REASON
	to be of type cgraph_inline_failed_t.  Replace reason strings with
	enums.  Call cgraph_inline_failed_string to covert enums
	to strings for text output.
	(cgraph_decide_inlining): Replace reason strings with enums.
	(cgraph_decide_inlining_incrementally): Change type of FAILED_REASON
	to cgraph_inline_failed_t type.  Call cgraph_inline_failed_string
	for text output.
	* tree-inline.c (expand_call_inline): Change type of REASON
	to cgraph_inline_failed_t.  Replace reason strings with enums.
	Call cgraph_inline_failed_string for text output.
	* Makefile.in (CGRAPH_H): Add cif-code.def to dependencies.
	(cgraph.o): Ditto.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_node, cgraph_remove_node, dump_cgraph_node,
	cgraph_clone_node): Remove master clone handling.
	(cgraph_is_master_clone, cgraph_master_clone): Remove.
	* cgraph.h (master_clone): Remove.
	(cgraph_is_master_clone, cgraph_master_clone): Remove.
	* ipa-type-escape.c (type_escape_execute): Remove use of master clone.
	(tree-ssa-structalias.c (ipa_pta_execute): Likewise.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_function_body_availability): Functions declared
	inline are always safe to assume that it is not going to be replaced.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38513
	* tree-ssa-pre.c (eliminate): Remove redundant stores.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
	EXC_PTR_EXPR and FILTER_EXPR.
	(get_ref_from_reference_ops): Likewise.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38968
	* tree-vect-analyze.c (vect_compute_data_ref_alignment):
	Use FLOOR_MOD_EXPR to compute misalignment.

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37795
	* tree.h (combine_comparisons): Declare.
	* fold-const.c (combine_comparisons): Export.
	* tree-ssa-ifcombine.c (ifcombine_ifandif): Optimize two successive
	comparisons.
	(ifcombine_iforif): Use combine_comparisons.

2009-03-28  Jan Hubicka  <jh@suse.cz>

	* tree-eh.c (inlinable_call_p): New function.
	(make_eh_edges): Use it.
	(verify_eh_edges): Use it.
	(stmt_can_throw_external, stmt_can_throw_internal): Use it.
	* except.c (reachable_next_level): Add inlinable_function argument
	(sjlj_find_directly_reachable_regions): Update.
	(add_reachable_handler): Do not set saw_any_handlers.
	(reachable_next_level): Handle MUST_NOT_THROW more curefully.
	(foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
	Add new inlinable call parameter.
	(can_throw_internal, can_throw_external): Update.
	* except.h (can_throw_internal_1, can_throw_external_1,
	foreach_reachable_handler): Update declaration.

2009-03-28  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/t-arm-coff, config/h8300/coff.h,
	config/i386/i386-aout.h, config/i386/i386-coff.h,
	config/libgloss.h, config/m68k/coff.h, config/m68k/m68k-aout.h,
	config/pdp11/2bsd.h, config/rs6000/aix41.h,
	config/rs6000/aix41.opt, config/rs6000/t-newas, config/sh/coff.h,
	fix-header.c, fixproto, gen-protos.c, protoize.c, scan-decls.c,
	scan-types.sh, scan.c, scan.h, sort-protos, sys-protos.h,
	sys-types.h: Remove.
	* Makefile.in: Remove protoize and fixproto support and references
	in comments.
	(SYSCALLS.c.X-warn, TARGET_GETGROUPS_T, STMP_FIXPROTO,
	PROTOIZE_INSTALL_NAME, UNPROTOIZE_INSTALL_NAME, FIXPROTO_DEFINES):
	Remove.
	(ALL_HOST_OBJS): Remove $(PROTO_OBJS).
	(MOSTLYCLEANFILES): Remove protoize$(exeext) and
	unprotoize$(exeext).
	(rest.encap): Don't depend on $(STMP_FIXPROTO)
	(.PHONY): Don't depend on proto.
	(libgcc-support): Don't depend on $(STMP_FIXPROTO).
	(proto, PROTO_OBJS, protoize$(exeext), unprotoize$(exeext),
	protoize.o, unprotoize.o, SYSCALLS.c.X, test-protoize-simple,
	deduced.h, GEN_PROTOS_OBJS, build/gen-protos$(build_exeext),
	build/gen-protos.o, build/scan.o, xsys-protos.h,
	build/fix-header$(build_exeext), build/fix-header.o,
	build/scan-decls.o, fixhdr.ready, stmp-fixproto,
	stmp-install-fixproto): Remove.
	(mostlyclean): Don't remove xsys-protos.hT, SYSCALLS.c.X,
	SYSCALLS.c or fixproto files.
	(install-common): Don't install protoize.
	(install-headers-tar, install-headers-cpio, install-headers-cp):
	Don't depend on $(STMP_FIXPROTO).
	(install-mkheaders): Don't depend on $(STMP_FIXPROTO).  Don't
	install fixproto files or write out fixproto settings.
	(uninstall): Don't uninstall protoize.
	* config.gcc (use_fixproto): Remove.
	(arm-*-coff*, armel-*-coff*, h8300-*-*, i[34567]86-*-aout*,
	i[34567]86-*-coff*, m68k-*-aout*, m68k-*-coff*, pdp11-*-bsd,
	rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*, sh-*-*): Remove.
	* config/m32r/t-linux (STMP_FIXPROTO): Remove.
	* config/m68k/m68k.c: Remove M68K_TARGET_COFF-conditional code.
	* config/mips/t-iris (FIXPROTO_DEFINES): Remove.
	* config/pa/t-pa-hpux (FIXPROTO_DEFINES): Remove.
	* config/pdp11/pdp11.c: Remove TWO_BSD-conditional code.
	* config/t-svr4 (FIXPROTO_DEFINES): Remove.
	* config/t-vxworks (STMP_FIXPROTO): Remove.
	* configure.ac (AC_TYPE_GETGROUPS, TARGET_GETGROUPS_T,
	STMP_FIXPROTO): Remove.
	* config.in, configure: Regenerate.
	* crtstuff.c (gid_t, uid_t): Don't undefine.
	* doc/install.texi: Change m68k-coff to m68k-elf in example.
	(arm-*-coff, arm-*-aout: Remove target entries.
	(*-ibm-aix*): Mention removal of support for AIX 4.2 and older.
	Remove mention of AIX 4.1.
	(m68k-*-*): Remove mention of m68k-*-aout and m68k-*-coff*.
	* doc/invoke.texi (Running Protoize): Remove.
	* doc/trouble.texi (Actual Bugs): Remove mention of fixproto.
	(Protoize Caveats): Remove.
	* tsystem.h: Update comments on headers assumed to exist.

2009-03-27  Vladimir Makarov  <vmakarov@redhat.com>

	* genautomata.c: Add a new year to the copyright.  Add a new
	reference.
	(struct insn_reserv_decl): Add comments for member bypass_list.
	(find_bypass): Remove.
	(insert_bypass): New.
	(process_decls): Use insert_bypass.
	(output_internal_insn_latency_func): Output all bypasses with the
	same input insn in one switch case.

	* rtl.def (define_bypass): Describe bypass choice.
	* doc/md.texi (define_bypass): Ditto.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	* gimplify.c (mark_addressable): Export.
	* tree-flow.h (mark_addressable): Declare.
	* tree-ssa-loop-manip.c (create_iv): Mark the base addressable.
	* tree-ssa.c (verify_phi_args): Verify that address taken
	variables have TREE_ADDRESSABLE set.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	* fold-const.c (build_fold_addr_expr_with_type_1): Rename back to ...
	(build_fold_addr_expr_with_type): ... this.  Remove in_fold handling.
	Do not mark decls TREE_ADDRESSABLE.
	(build_fold_addr_expr): Adjust.
	(fold_addr_expr): Remove.
	(fold_unary): Use build_fold_addr_expr.
	(fold_comparison): Likewise.
	(split_address_to_core_and_offset): Likewise.
	* coverage.c (tree_coverage_counter_addr): Mark the array decl
	TREE_ADDRESSABLE.
	* gimplify.c (mark_addressable): Do not exclude RESULT_DECLs.
	(gimplify_modify_expr_to_memcpy): Mark source and destination
	addressable.
	* omp-low.c (create_omp_child_function): Mark the object decl
	TREE_ADDRESSABLE.
	(lower_rec_input_clauses): Mark the var we take the address of
	TREE_ADDRESSABLE.
	(lower_omp_taskreg): Mark the sender decl TREE_ADDRESSABLE.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/39315
	* cfgexpand.c (expand_one_stack_var_at): Change alignment
	limit to MAX_SUPPORTED_STACK_ALIGNMENT.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39120
	* tree-ssa-structalias.c (handle_rhs_call): Fill out return
	constraints.
	(handle_lhs_call): Process return constraints.  Add escape
	constraints if necessary.
	(handle_const_call): Fill out return constraints.  Make nested
	case more precise.  Avoid consttmp if possible.
	(handle_pure_call): Fill out return constraints.  Avoid
	callused if possible.
	(find_func_aliases): Simplify call handling.

2009-03-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39120
	* tree-ssa-structalias.c (do_sd_constraint): Do not use CALLUSED
	as a representative.
	(solve_graph): Do propagate CALLUSED.
	(handle_pure_call): Use a scalar constraint from CALLUSED for
	the return value.
	(find_what_p_points_to): CALLUSED shall not appear in poins-to
	solutions.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/39323
	* c-common.c (handle_aligned_attribute): Properly check alignment
	overflow.  Use (1U << i) instead of (1 << i).

	* emit-rtl.c (get_mem_align_offset): Use "unsigned int" for align.

	* expr.h (get_mem_align_offset): Updated.

	* tree.h (tree_decl_common): Change align to "unsigned int" and
	move it before pointer_alias_set.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/38034
	* config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
	gr_register_operand with gr_reg_or_0_operand.
	(cmpxchg_rel_di): Likewise.
	(sync_lock_test_and_set<mode>): Likewise.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
	(true_regnum): Likewise.

	* rtlanal.c (subreg_info): Moved to ...
	* rtl.h (subreg_info): Here.  New.
	(subreg_get_info): New.

	* rtlanal.c (subreg_get_info): Make it extern.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39472
	* config/i386/i386.c (ix86_abi): New.
	(override_options): Handle -mabi=.
	(ix86_function_arg_regno_p): Replace DEFAULT_ABI with ix86_abi.
	(ix86_call_abi_override): Likewise.
	(init_cumulative_args): Likewise.
	(function_arg_advance): Likewise.
	(function_arg_64): Likewise.
	(function_arg): Likewise.
	(ix86_pass_by_reference): Likewise.
	(ix86_function_value_regno_p): Likewise.
	(ix86_build_builtin_va_list_abi): Likewise.
	(setup_incoming_varargs_64): Likewise.
	(is_va_list_char_pointer): Likewise.
	(ix86_init_machine_status): Likewise.
	(ix86_reg_parm_stack_space): Use enum calling_abi on call_abi.
	(ix86_function_type_abi): Return enum calling_abi.  Rewrite
	for 64bit.  Replace DEFAULT_ABI with ix86_abi.
	(ix86_function_abi): Make it static and return enum calling_abi.
	(ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
	with ix86_abi.
	(ix86_fn_abi_va_list): Updated.

	* config/i386/i386.h (ix86_abi): New.
	(STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
	(CONDITIONAL_REGISTER_USAGE): Likewise.
	(CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
	(machine_function): Likewise.

	* config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
	with ix86_abi.
	* config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
	(STACK_BOUNDARY): Likewise.
	* config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.

	* config/i386/i386.opt (mabi=): New.

	* config/i386/i386-protos.h (ix86_cfun_abi): Changed to
	return enum calling_abi.
	(ix86_function_type_abi): Likewise.
	(ix86_function_abi): Removed.

	* doc/invoke.texi: Document -mabi= option for x86.

2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

	* builtins.c (real_dconstp): Delete.
	(fold_builtin_logarithm): Remove inaccurate log(e) special case.

2009-03-27  Dodji Seketeli  <dodji@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR debug/37959
	* dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
	(gen_subprogram_die): When a function is explicit, generate the
	DW_AT_explicit attribute.
	* langhooks.h (struct lang_hooks_for_decls): Add
	function_decl_explicit_p langhook.
	* langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
	(LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.

2009-03-27  Jakub Jelinek  <jakub@redhat.com>

	* builtins.c (fold_builtin_memory_op): Optimize memmove
	into memcpy if we can prove source and destination don't overlap.

	* tree-inline.c: Include gt-tree-inline.h.
	(clone_fn_id_num): New variable.
	(clone_function_name): New function.
	(tree_function_versioning): Use it.
	* Makefile.in (GTFILES): Add tree-inline.c.

2009-03-27  Mark Mitchell  <mark@codesourcery.com>

	* BASE-VER: Change to 4.5.0.

2009-03-27  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/39557
	* tree-ssa.c (warn_uninitialized_vars): free postdom info.

2009-03-27  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/39548
	* tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy
	candidate check.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* c-common.c (pointer_int_sum): Use %wd on return from
	tree_low_cst.

2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
	on return from tree_low_cst.

2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR c++/36799
	* ginclude/stdarg.h (va_copy): Define also for
	__GXX_EXPERIMENTAL_CXX0X__.

2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c++/35652
	* builtins.h (c_strlen): Do not warn here.
	* c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
	* c-common.c (pointer_int_sum): Take an explicit location.
	Warn about offsets out of bounds.
	* c-common.h (pointer_int_sum): Adjust declaration.

2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
	markup glitch.

2009-03-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/39554
	* opts.c (warn_if_disallowed_function_p): Don't assume
	get_callee_fndecl must return non-NULL.

2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/39522
	* reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
	when reg_reloaded_valid is set.

2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/divv2df3.c: New file.
	* config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
	(DPBIT_FUNCS): Filter out _div_df.

2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
	a jump insn, count that jump in the distance to the loop start.

2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/39523
	* config/sh/sh.c (calc_live_regs): Fix condition for global
	registers except PIC_OFFSET_TABLE_REGNUM.

2009-03-25  Kai Tietz  <kai.tietz@onevision.com>

	PR/39518
	* doc/invoke.texi (-mconsole): New.
	(-mcygwin): New.
	(-mno-cygwin): New.
	(-mdll): New.
	(-mnop-fun-dllimport): New.
	(-mthread): New.
	(-mwin32): New.
	(-mwindows): New.
	(sub section "i386 and x86-64 Windows Options"): New.

2009-03-25  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
	* config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.

2009-03-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39497
	* Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
	of -Wno-error.

2009-03-25  Andrey Belevantsev  <abel@ispras.ru>

	* config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
	neither of haifa/selective schedulers are working.

2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/invoke.texi (Debugging Options): Fix description of
	-fno-merge-debug-strings.

2009-03-24  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/libgcc.ver: New version-script.
	* config/cris/t-linux (SHLIB_MAPFILES): Use it.

	* configure.ac <GAS features, nop mnemonic>: Add pattern
	crisv32-*-* for "nop".
	<GAS features, Thread-local storage>: Add item for CRIS and CRIS v32.
	* configure: Regenerate.

2009-03-24  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39529
	* tree-vect-transform.c (vect_create_data_ref_ptr): Call
	mark_sym_for_renaming for the tag copied to the new vector
	pointer.

2009-03-24  Arthur Loiret  <aloiret@debian.org>

	* config.host (alpha*-*-linux*): Use driver-alpha.o and alpha/x-alpha.
	* config/alpha/linux.h (host_detect_local_cpu): Declare, add to
	EXTRA_SPEC_FUNCTIONS.
	(MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
	* config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
	* doc/invoke.texi (DEC Alpha Options): Document 'native' value for
	-march and -mtune options.

2009-03-24  Ralf Corsépius  <ralf.corsepius@rtems.org>

	* config/m68k/t-rtems: Add m5329 multilib.

2009-03-24  Dodji Seketeli  <dodji@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR debug/39524
	* dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
	nodes.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

	PR c/39495
	* c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
	instead of c_parser_expression_conv, if original_code isn't one of the
	4 allowed comparison codes, fail.

2009-03-23  Richard Guenther  <rguenther@suse.de>

	* cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
	* tree.h (struct tree_type): Likewise.
	* reload.h (struct insn_chain): Likewise.
	* dwarf2out.c (struct dw_loc_descr_struct): Likewise.
	* function.h (struct function): Likewise.
	* tree-ssa-structalias.c (struct equiv_class_label): Likewise.

2009-03-23  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39516
	* lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.

2009-03-23  Bingfeng Mei  <bmei@broadcom.com>

	* config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint
	should be set true if BITS_PER_WORD of target is bigger than 32

2009-03-22  Hans-Peter Nilsson  <hp@axis.com>

	* config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
	Translate -B-options to -rpath-link.  Correct existing
	rpath-link and conditionalize on !nostdlib.

2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes, Variable Attributes):
	Fix typos.
	* doc/invoke.texi (Debugging Options, Optimize Options)
	(i386 and x86-64 Options, MCore Options): Likewise.

2009-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/37890
	* dwarf2out.c (gen_namespace_die): Add context_die argument and use
	it for block local namespace aliases.
	(gen_decl_die): Pass context_die to gen_namespace_die.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR c/39495
	* c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
	minimum or maximum value.

2009-03-19  Alexandre Oliva  <aoliva@redhat.com>

	* reginfo.c (globalize_reg): Recompute derived reg sets.

2009-03-19  Ozkan Sezer  <sezeroz@gmail.com>

	PR target/39063
	* libgcc2.c (mprotect): Do not use signed arguments for
	VirtualProtect, use DWORD arguments.  Also fix the 'may
	be used uninitialized' warning for the np variable.

2009-03-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/39496
	* config/i386/i386.c (ix86_function_regparm): Don't optimize local
	functions using regparm calling conventions when not optimizing.
	(ix86_function_sseregparm): Similarly for sseregparm calling
	conventions.

2009-03-19  Li Feng  <nemokingdom@gmail.com>

	PR middle-end/39500
	* tree-data-ref.c (analyze_subscript_affine_affine): There is no
	dependence if the first conflict is after niter iterations.

2009-03-19  Hans-Peter Nilsson  <hp@axis.com>

	PR middle-end/38609
	* config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
	functions with dynamic stack-pointer adjustments.

2009-03-19  Ben Elliston  <bje@au.ibm.com>

	* doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
	option; change to -msdata=data.

2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
	and -fopenmp.

2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/35180
	* config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.

2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Code Gen Options): Expand discussion of
	-fno-common.

2009-03-18  Jakub Jelinek  <jakub@redhat.com>

	* dse.c (struct group_info): Reorder fields for 64-bit hosts.
	* matrix-reorg.c (struct matrix_info): Likewise.
	* tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
	* rtl.h (struct mem_attrs): Likewise.
	* df.h (struct df): Likewise.
	* tree-data-ref.h (struct data_dependence_relation): Likewise.
	* ira-int.h (struct ira_allocno): Likewise.
	* df-scan.c (struct df_collection_rec): Likewise.
	* ira.c (struct equivalence): Likewise.
	* function.c (struct temp_slot): Likewise.
	* cfgloop.h (struct loop): Likewise.

	PR debug/39485
	* function.c (use_register_for_decl): When not optimizing, disregard
	register keyword for variables with types containing methods.

2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39447
	* graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
	(is_simple_operand): Call contains_component_ref_p before calling data
	reference analysis that would fail on COMPONENT_REFs.

	* tree-vrp.c (search_for_addr_array): Fix formatting.

2009-03-18  Richard Guenther  <rguenther@suse.de>

	* tree-vect-transform.c (vect_loop_versioning): Fold the
	generated comparisons.
	* tree-vectorizer.c (set_prologue_iterations): Likewise.
	(slpeel_tree_peel_loop_to_edge): Likewise.

2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	PR middle-end/37805
	* opts.c (print_specific_help): In addition to `undocumented',
	accept `separate' and `joined' flags if passed alone.  Describe
	output by the first matched one of those.
	(common_handle_option): Skip over empty strings.
	* gcc.c (display_help): Fix help string for `--help='.
	* doc/invoke.texi (Option Summary, Overall Options): With
	`--help=', classes and qualifiers can both be repeated, but
	only the latter can be negated.  One should not pass only
	negated qualifiers.  Fix markup and examples.

	Revert
	2008-10-14  Jakub Jelinek  <jakub@redhat.com>
	PR middle-end/37805
	* opts.c (common_handle_option): Don't ICE on -fhelp=joined
	and -fhelp=separate.

2009-03-17  Jing Yu  <jingyu@google.com>

	PR middle-end/39378
	* function.h (struct rtl_data): Move is_thunk from here...
	(struct function): ...to here.
	* cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
	* varasm.c (assemble_start_function): Change is_thunk from crtl to
	cfun.
	* config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
	cfun.
	(alpha_does_function_need_gp, alpha_start_function): Likewise.
	(alpha_output_function_end_prologue): Likewise.
	(alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
	* config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
	(rs6000_output_function_epilogue): Likewise.
	* config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.

2009-03-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39482
	* config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
	from different units in a single alternative.
	(*truncdfsf_i387): Ditto.
	(*truncxfsf2_mixed): Ditto.
	(*truncxfdf2_mixed): Ditto.

2009-03-17  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
	non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.

	PR debug/39474
	* tree-ssa-live.c (remove_unused_locals): Don't remove local
	unused non-artificial variables when not optimizing.

	PR debug/39471
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
	DW_TAG_imported_module even if decl is IMPORTED_DECL with
	NAMESPACE_DECL in its DECL_INITIAL.

	PR middle-end/39443
	* optabs.c (set_user_assembler_libfunc): New function.
	* expr.h (set_user_assembler_libfunc): New prototype.
	* c-common.c: Include libfuncs.h.
	(set_builtin_user_assembler_name): Call set_user_assembler_libfunc
	for memcmp, memset, memcpy, memmove and abort.
	* Makefile.in (c-common.o): Depend on libfuncs.h.

	PR debug/39412
	* dwarf2out.c (gen_inlined_enumeration_type_die,
	gen_inlined_structure_type_die, gen_inlined_union_type_die,
	gen_tagged_type_instantiation_die): Removed.
	(gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
	do nothing.

2009-03-17  Janis Johnson  <janis187@us.ibm.com>

	PR testsuite/38526
	* Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
	its use.
	(check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
	(check-parallel-%): Ditto.
	(check-consistency): Ditto.

2009-03-17  Kai Tietz  <kai.tietz@onevision.com>

	* ipa-struct-reorg.c (create_general_new_stmt): Initialize
	local variable rhs by NULL_TREE.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39477
	* doc/extend.texi: Correct register behavior for regparm on Intel 386.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39476
	* config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.

2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39473
	* config/i386/i386.c (ix86_expand_call): Check extra clobbers
	for ms->sysv ABI calls only in 64bit mode.

	* config/i386/i386.md (untyped_call): Support 32bit.

2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>

	* doc/extend.texi: Replace x86_65 with x86_64.

2009-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39455
	* tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
	mismatches for POINTER_TYPE_P (type).
	(number_of_iterations_le): Likewise.

2009-03-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c: Removed profiling support.
	* config/picochip/picochip.md: Removed profiling instruction.
	* config/picochip/picochip.h: Removed profiling builtin.

2009-03-16  Joseph Myers  <joseph@codesourcery.com>

	* doc/install.texi (--with-host-libstdcxx): Document.

2009-03-14  Anatoly Sokolov  <aesok@post.ru>

	PR target/34299
	* config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
	generate a warning if the function name does not begin with
	"__vector" and the function has either the 'signal' or 'interrupt'
	attribute, from here to ...
	(avr_declare_function_name): ...here. New function.
	* config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
	* config/avr/avr-protos.h (avr_declare_function_name): Declare.

2009-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/39454
	* cse.c (fold_rtx): Don't modify original const_arg1 when
	canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
	separate variable instead.
	* rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
	from out of range shift counts.
	(num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.

2009-03-13  Catherine Moore  <clm@codesourcery.com>

	* config/i386/x-mingw32 (host-mingw32.o): Replace
	diagnostic.h with $(DIAGNOSTIC_H).

2009-03-12  Jakub Jelinek  <jakub@redhat.com>

	PR target/39431
	* config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
	predicate.
	* config/i386/sync.md (sync_compare_and_swap<mode>,
	sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
	if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
	into a register.
	(sync_double_compare_and_swapdi_pic,
	sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
	cmpxchg8b_pic_memory_operand instead of just memory_operand.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39445
	* config/i386/i386.c (ix86_expand_push): Don't set memory alignment.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39327
	* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.

2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38824
	* config/i386/i386.md: Compare REGNO on the new peephole2 patterns.

2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>

	PR debug/39432
	* ira-int.h (struct allocno): Fix comment for calls_crossed_num.
	* ira-conflicts.c (ira_build_conflicts): Prohibit call used
	registers for allocnos created from user-defined variables.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR target/39181
	* config/spu/spu.c (spu_expand_mov): Handle invalid subregs
	of non-integer mode as well.

2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>

	* gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
	for functions for which the parameter types are unknown.

2009-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR target/39137
	* cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
	* defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
	* config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
	* config/i386/i386.c (ix86_local_alignment): For
	-m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
	long long variables on the stack to avoid dynamic realignment.
	Allow the first argument to be a decl rather than type.
	* doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.

2009-03-11  Nick Clifton  <nickc@redhat.com>

	PR target/5362
	* config/mcore/mcore.opt: Remove deprecated m4align and m8align
	options.
	Add description to mno-lsim option.
	* config/mcore/mcore.h: Remove comment about deprecated m4align
	option.
	(TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
	* doc/invoke.texi: Add description of mno-lsim and
	mstack-increment options.

	* config/fr30/fr30.opt: Document the -mno-lsim option.
	* doc/invoke.texi: Add descriptions of the FR30's -msmall-model
	and -mno-lsim options.

2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* fold-const.c (fold_comparison): Only call fold_inf_compare
	if the mode supports infinities.

2009-03-11  Jason Merrill  <jason@redhat.com>

	PR debug/39086
	* tree-nrv.c (tree_nrv): Don't do this optimization if the front
	end already did.  Notice GIMPLE_CALL modifications of the result.
	Don't copy debug information from an ignored decl or a decl from
	another function.

2009-03-10  Richard Guenther  <rguenther@suse.de>
	    Nathan Froyd  <froydnj@codesourcery.com>

	PR middle-end/37850
	* libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
	(__divMODE3): Likewise.

2009-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39394
	* gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
	DECL_SIZE_UNIT of variable length FIELD_DECLs.

2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* recog.c (verfiy_changes): Disallow renaming of hard regs in
	inline asms for register asm ("") declarations.

2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_unary): Fix comment.

2009-03-07  Jan Hubicka  <jh@suse.cz>

	PR target/39361
	* tree-inline.c (setup_one_parameter): Do replacement of const
	argument by constant in SSA form.

2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR middle-end/38028
	* function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
	determine alignment passed to assign_stack_local.
	(assign_parms_unsplit_complex): Likewise.
	* except.c (sjlj_build_landing_pads): Likewise.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39360
	* tree-flow.h (add_referenced_var): Return bool instead of void.
	* tree-dfa.c (add_referenced_var): Return result of
	referenced_var_check_and_insert call.
	* tree-inline.c (expand_call_inline): Call add_referenced_var instead
	of referenced_var_check_and_insert.

	PR debug/39372
	* dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
	(gen_variable_die): Emit DW_AT_location on abstract static variable's
	DIE, don't emit it if abstract origin already has it.
	* tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
	BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.

2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>

	* genpreds.c (needs_variable): Fix parentheses at variable name
	detection.
	(write_tm_constrs_h): Indent generated code.

2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* doc/extend.texi (Function Attributes): Add documentation
	for isr attributes.

2009-03-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39387
	* dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
	take locus from its DECL_SOURCE_LOCATION instead of input_location.

2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>

	* config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
	the loop as bad.

2009-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/39379
	* tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
	with blocks containing IMPORTED_DECLs in BLOCK_VARS.

2009-03-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (R8_REG, R9_REG): New constants.
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
	constants instead of magic numbers.
	(HARD_REGNO_CALLER_SAVE_MODE): Ditto.
	(QI_REG_P): Ditto.
	* config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
	(x86_64_ms_abi_int_parameter_registers): Ditto.
	(x86_64_int_return_registers): Ditto.
	(ix86_maybe_switch_abi): Ditto.
	(ix86_expand_call): Ditto for clobbered_registers array.
	(ix86_hard_regno_mode_ok): Ditto.
	(x86_extended_QIreg_mentioned_p): Ditto.

2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>

	PR tree-optimization/39349
	* cse.c (cse_insn): Fix loop to stop at VOIDmode.

	* combine.c (gen_lowpart_for_combine): Use omode when generating
	clobber.

2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>

	PR rtl-optimization/39235
	* loop-iv.c (get_simple_loop_desc): Use XCNEW.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

	* graphite.c (nb_reductions_in_loop): Update simple_iv arguments.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39362
	* tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
	that occur in abnormal PHIs should be varying.

2009-03-04  Zdenek Dvorak  <ook@ucw.cz>

	* tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
	Extend comments.
	(simple_iv):  Take loop as an argument instead of statement.
	* tree-scalar-evolution.h (simple_iv): Declaration changed.
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
	to simple_iv.
	* tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
	Ditto.
	* tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
	* matrix-reorg.c (analyze_transpose): Ditto.
	* tree-data-ref.c (dr_analyze_innermost): Ditto.
	* tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
	* tree-predcom.c (ref_at_iteration): Ditto.
	* tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39358
	* tree-ssa-structalias.c (do_sd_constraint): Fix check for
	escaped_id and callused_id.
	(solve_graph): Likewise.

2009-03-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39339
	* tree-sra.c (try_instantiate_multiple_fields): Make it
	no longer ICE on the above.

2009-03-03  Joseph Myers  <joseph@codesourcery.com>

	* emit-rtl.c (adjust_address_1): Reduce offset to a signed value
	that fits within Pmode.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/10109
	* tm.texi (LIBCALL_VALUE): Update description.

2009-03-03  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/34443
	* doc/extend.texi (section): Update description.

2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/39345
	* tree-inline.c (remapped_type): New.
	(can_be_nonlocal): Call remapped_type instead of remap_type.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/39354
	* gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
	TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.

2009-03-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39272
	* tree.c (tree_nonartificial_location): New function.
	* tree.h (tree_nonartificial_location): Declare.
	* builtins.c (expand_builtin_memory_chk): Provide location
	of the call location for artificial function pieces.
	(maybe_emit_chk_warning): Likewise.
	(maybe_emit_sprintf_chk_warning): Likewise.
	(maybe_emit_free_warning): Likewise.
	* expr.c (expand_expr_real_1): Likewise.

2009-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/39343
	* tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
	COMPONENT_REF t has ARRAY_TYPE.

2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39335
	* tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
	when the type precision of the induction variable should be
	larger than the type precision of nit.
	(gen_parallel_loop): Update use of canonicalize_loop_ivs.
	* graphite.c (graphite_loop_normal_form): Same.
	* tree-flow.h (canonicalize_loop_ivs): Update declaration.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (ST?_REG, MM?_REG): New constants.
	(*call_1_rex64_ms_sysv): Use named constants instead of magic
	numbers to describe clobbered registers.
	(*call_value_0_rex64_ms_sysv): Ditto.
	* config/i386/mmx.md (mmx_emms): Ditto.
	(mmx_femms): Ditto.

2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
	of ABI_64.

2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
	(spu_section_type_flags): New function.

2009-03-02  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
	reg_class_contents of FLOAT_REGS into a temporary.

2009-03-02  Richard Guenther  <rguenther@suse.de>
	    Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/39318
	* tree-vect-transform.c (vectorizable_call): Transfer the EH region
	information to the vectorized statement.

2009-03-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
	variable.  Use defined names instead of magic constants for REX SSE
	registers.

2009-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39331
	* omp-low.c (lower_send_shared_vars): Do not receive new
	values for the reference of DECL_BY_REFERENCE parms or results.

2009-03-01  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
	BLOCK_NONLOCALIZED_VAR): New macros.
	(tree_block): Add nonlocalized_vars.
	* dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
	gen_decl_die): Add origin argument.  Allow generation of die with
	origin at hand only.
	(gen_member_die, gen_type_die_with_usage, force_decl_die,
	declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
	of gen_*.
	(gen_block_die): Fix checking for unused blocks.
	(process_scope_var): Break out from .... ; work with origins only.
	(decls_for_scope) ... here; process nonlocalized list.
	(dwarf2out_ignore_block): Look for nonlocalized vars.
	* tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
	vars.
	(dump_scope_block): Dump them.
	* tree-inline.c (remap_decls): Handle nonlocalized vars.
	(remap_block): Likewise.
	(can_be_nonlocal): New predicate.
	(copy_bind_expr, copy_gimple_bind): Update use of remap_block.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* optc-gen.awk: No need to duplicate option flags twice.
	Reuse help texts for duplicate options which do not have any.

	* gcc.c (display_help): Document --version.

	* gcc.c (main): If print_help_list and verbose_flag, ensure
	driver output comes before subprocess output.

	* optc-gen.awk: Assign all remaining fields to help string,
	space-separated, for multi-line help in *.opt.

	* doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
	-Wno-pedantic-ms-format is for MinGW targets only.

	* doc/options.texi (Option file format): Fix bad indentation,
	restoring dropped sentence.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (tree_function_versioning): Output debug info.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree-inline.c (setup_one_parameter): Do not copy propagate
	arguments when not optimizing.

2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39327
	* config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
	(avx_addsubv4df3): Likewise.
	(*avx_addsubv4sf3): Likewise.
	(sse3_addsubv4sf3): Likewise.
	(*avx_addsubv2df3): Likewise.
	(sse3_addsubv2df3): Likewise.
	(avx_unpckhps256): Correct item selectors.
	(avx_unpcklps256): Likewise.
	(avx_unpckhpd256): Likewise.
	(avx_unpcklpd256): Likewise.

2009-02-28  Jan Hubicka  <jh@suse.cz>

	* tree-inline.c (expand_call_inline): Avoid duplicate declarations of
	static vars.
	(copy_arguments_for_versioning): If var is declared don't declare it.
	(tree_function_versioning): First setup substitutions and then copy
	args.

2009-02-27  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-27  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* tree.h (TREE_PROTECTED): Fix comment.
	(BLOCK_HANDLER_BLOCK): Remove.
	(struct tree_block): Remove handler_block add body_block.
	(inlined_function_outer_scope_p): New.
	(is_body_block): Remove.
	* dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
	* dwarf2out.c (is_inlined_entry_point): Remove.
	(add_high_low_attributes): Use inlined_function_outer_scope_p.
	(gen_block_die): Use is_inlined_entry_point check.  Remove body block
	code.
	* langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
	* gimplify.c (gimplify_expr): Gimplify body blocks.
	* tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
	block with multiple subblocks.
	(dump_scope_block): Prettier output; dump more flags and info.
	(dump_scope_blocks): New.
	(remove_unused_locals): Use dump_scope_blocks.
	* tree-flow.h (dump_scope_blocks): Declare.
	* tree-cfg.c (execute_build_cfg): Dump scope blocks.
	* stmt.c (is_body_block): Remove.
	* tree-inline.c (remap_block): Copy BODY_BLOCK info.
	* langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.

2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/39308
	* graphite.c (graphite_loop_normal_form): Do not call
	number_of_iterations_exit from a gcc_assert.

2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_swap_cmp): Look for conditional
	jumps if COND is NULL.
	(find_cond_jump): New function.
	(s390_z10_optimize_cmp): Handling for reg-reg compares added.
	* config/s390/s390.md: Remove z10_cobra attribute value.

2009-02-26  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.h (alpha_expand_mov): Return false if
	force_const_mem returns NULL_RTX.

2009-02-26  Jan Hubicka  <jh@suse.cz>

	PR debug/39267
	* cgraph.h (varpool_output_debug_info): Remove.
	* cgraphunit.c (varpool_output_debug_info): Remove.
	* dwarf2out.c (deferred_locations_struct): New struct
	(deferred_locations): New type.
	(deferred_locations_list): New static var.
	(deffer_location): New function.
	(gen_variable_die): Use it.
	(decls_for_scope): Output info on local static vars.
	(dwarf2out_finish): Process deferred locations.
	* varpool.c (varpool_output_debug_info): Remove.

2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>

	PR rtl-optimization/39241
	* jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
	to subreg_offset_representable_p.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

	* regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
	execute function prototype.  Get f and nregs from max_reg_num
	and get_insns.  Remove the first backward pass as it's dead,
	guard the forward pass by flag_expensive_optimizations.
	(rest_of_handle_regmove): Delete.
	(pass_regmove): Replace it with regmove_optimize.

2009-02-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/39259
	* tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
	calls_alloca function flags.
	(copy_bb): Set calls_setjmp and alls_alloca function flags if such
	calls are detected.

2009-02-25  Paolo Bonzini  <bonzini@gnu.org>

	* regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
	flags_set_1_rtx, flags_set_1_set): Delete.
	(regmove_optimize): Do not call mark_flags_life_zones.

2009-02-24  Julian Brown  <julian@codesourcery.com>

	PR target/35965
	* config/arm/arm.c (require_pic_register): Only set
	cfun->machine->pic_reg once per function.

2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (Link Options): Document an easier way to pass
	options that take arguments to the GNU linker using -Xlinker and -Wl.

2009-02-24  Steve Ellcey  <sje@cup.hp.com>

	PR target/33785
	* doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.

2009-02-24  Richard Guenther  <rguenther@suse.de>

	PR debug/39285
	* dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.

2009-02-24  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/39233
	* tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
	from converting them to a generic type.

2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/39260
	* graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
	contains a condition with a real type.
	(build_scop_conditions_1): Conditions are always last_stmt of a bb.

2009-02-23  Jason Merrill  <jason@redhat.com>

	PR c++/38880
	* varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
	narrowing_initializer_constant_valid_p.
	(narrowing_initializer_constant_valid_p): Don't return
	null_pointer_node for adding a pointer to itself.

2009-02-23  Jan Hubicka  <jh@suse.cz>

	PR c/12245
	* ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
	resizing.

2009-02-23  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/37709
	* tree.c (block_ultimate_origin): Move here from dwarf2out.
	* tree.h (block_ultimate_origin): Declare.
	* dwarf2out.c (block_ultimate_origin): Move to tree.c
	* tree-ssa-live.c (remove_unused_scope_block_p):
	Eliminate blocks containig no instructions nor live variables nor
	nested blocks.
	(dump_scope_block): New function.
	(remove_unused_locals): Enable removal of dead blocks by default;
	enable dumping at TDF_DETAILS.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (classify_argument): Don't allow COImode
	and OImode.
	(function_arg_advance_32): Don't allow OImode.
	(function_arg_32): Likewise.
	(function_value_32): Likewise.
	(return_in_memory_32): Likewise.
	(function_arg_64): Remove OImode comment.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39261
	* config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
	ix86_expand_vector_set for V4DImode in 64bit mode only.
	(ix86_expand_vector_init_one_var): Likewise.

2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (graphite_trans_loop_block): Adjust tile size to 51.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

	PR bootstrap/39257
	* loop-iv.c: Revert last change.
	* emit-rtl.c: Likewise.

2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39256
	* config/i386/i386.c (type_natural_mode): Remove an extra
	space in the warning message.
	(function_value_32): Handle 32-byte vector modes.
	(return_in_memory_32): Likewise.

2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>

	* loop-iv.c (truncate_value): New function.
	(iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
	of lowpart_subreg.
	(lowpart_subreg): Move to...
	* emit-rtl.c: ...here.

2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>

	* config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
	accidental and undocumented change at revision 140860.

2009-02-21  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
	take gimple_seq * arguments.
	(arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
	types_compatible_p langhook.

2009-02-20  Mark Mitchell  <mark@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (arm_builtin_va_list): New function.
	(arm_expand_builtin_va_start): Likewise.
	(arm_gimplify_va_arg_expr): Likewise.
	(TARGET_BUILD_BUILTIN_VA_LIST): Define.
	(TARGET_BUILD_BUILTIN_VA_START): Likewise.
	(TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
	(va_list_type): New variable.
	(arm_mangle_type): Mangle va_list_type appropriately.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39157
	* Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
	* params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
	* params.def (loop-invariant-max-bbs-in-loop): New parameter.
	* opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
	parameter to 1000 for -O1 by default.
	* doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
	parameter.
	* loop-invariant.c: Include params.h.
	(move_loop_invariants): Don't call move_single_loop_invariants on
	very large loops.

2009-02-20  Jaka Mocnik  <jaka@xlab.si>

	* calls.c (emit_library_call_value_1): Use slot_offset instead of
	offset when calculating bounds for indexing stack_usage_map.  Fixes
	a buffer overflow with certain target setups.

2009-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR target/39240
	* calls.c (expand_call): Clear try_tail_call if caller and callee
	disagree in promotion of function return value.

2009-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/39175
	* c-common.c (c_determine_visibility): If visibility changed and
	DECL_RTL has been already set, call make_decl_rtl to update symbol
	flags.

2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>

	PR c++/39188
	* varasm.c (assemble_variable): Don't check DECL_NAME when
	globalizing a variable.

2009-02-19  Joseph Myers  <joseph@codesourcery.com>

	PR c/38483
	* builtins.c (gimplify_va_arg_expr): Evaluate the va_list
	expression before any __builtin_trap call.
	* c-typeck.c (build_function_call): Convert and check function
	arguments before generating a call to a trap.  Evaluate the
	function arguments before the trap.

2009-02-19  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39228
	* config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
	(UNSPEC_FXAM_MEM): New unspec.
	(fxam<mode>2_i387_with_temp): New insn and split pattern.
	(isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
	memory using fxam<mode>2_i387_with_temp to remove excess precision.

2009-02-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39207
	PR tree-optimization/39074
	* tree-ssa-structalias.c (storedanything_id, var_storedanything,
	storedanything_tree): New.
	(do_ds_constraint): Simplify ANYTHING shortcutting.  Update
	the STOREDANYTHING solution if the lhs solution contains ANYTHING.
	(build_succ_graph): Add edges from STOREDANYTHING to all
	non-direct nodes.
	(init_base_vars): Initialize STOREDANYTHING.
	(compute_points_to_sets): Free substitution info after
	building the succ graph.
	(ipa_pta_execute): Likewise.

	* tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
	field.
	(do_ds_constraint): Do not add to special var or non-pointer
	field solutions.
	(type_could_have_pointers): Split out from ...
	(could_have_pointers): ... here.  For arrays use the element type.
	(create_variable_info_for): Initialize may_have_pointers.
	(new_var_info): Likewise.
	(handle_lhs_call): Make the HEAP variable unknown-sized.
	(intra_create_variable_infos): Use a type with pointers for
	PARM_NOALIAS, make it unknown-sized.

2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39224
	* config/i386/i386.c (ix86_return_in_memory): Properly check ABI.

2009-02-18  Jason Merrill  <jason@redhat.com>

	PR target/39179
	* tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
	value if DECL_EXTERNAL.
	* tree-sra.c (sra_walk_gimple_assign): Likewise.
	* target.h (gcc_target::binds_local_p): Clarify "module".
	* tree.h (TREE_PUBLIC): Clarify "module".

2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>

	PR target/38891
	* config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
	initialization for MS_ABI prior to the hunk of !TARGET_MMX.

2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39082
	* c.opt (Wabi): Support C and ObjC.
	(Wpsabi): New.

	* c-opts.c (c_common_handle_option): Handle OPT_Wabi.

	* config/i386/i386.c (classify_argument): Warn once about the ABI
	change when passing union with long double.

	* doc/invoke.texi: Update -Wabi for warning psABI changes.

2009-02-18  Joseph Myers  <joseph@codesourcery.com>

	PR c/35447
	* c-parser.c (c_parser_compound_statement): Always enter and leave
	a scope.

2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/34587
	* config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.

2009-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/36922
	* tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
	* tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
	Likewise.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
	to 0 for EABI64.

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (type): Reclassify lui_movf as "unknown".

2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
	tree sharing.

2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
	* config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
	(loongson_biadd): ...this.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39202
	* tree-ssa-structalias.c (do_structure_copy): Before collapsing
	a var make sure to follow existing collapses.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39214
	* langhooks.c (lhd_print_error_function): Check for NULL block.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39204
	* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
	of the PHI arg.

2009-02-17  Uros Bizjak  <ubizjak@gmail.com>

	* config/soft-fp/double.h: Update from glibc CVS.

2009-02-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39207
	* tree-ssa-structalias.c (find_what_p_points_to): Do not emit
	strict-aliasing warnings for pointers pointing to NULL.

2009-02-16  Joseph Myers  <joseph@codesourcery.com>

	PR c/35446
	* c-parser.c (c_parser_braced_init): Call pop_init_level when
	skipping until next close brace.

2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/37049
	* config/i386/i386.c (ix86_expand_push): Set memory alignment
	to function argument boundary.

2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.md (lea_add): Allow any nonimmediate
	in the lea_add. Reload eventually constraints it properly.
	* config/picochip/constraints.md: Remove the target constraint
	"b", since it is not needed anymore.

2009-02-16  Jakub Jelinek  <jakub@redhat.com>

	* gthr-dce.h: Uglify function parameter and local variable names.
	* gthr-gnat.h: Likewise.
	* gthr-mipssde.h: Likewise.
	* gthr-nks.h: Likewise.
	* gthr-posix95.h: Likewise.
	* gthr-posix.h: Likewise.
	* gthr-rtems.h: Likewise.
	* gthr-single.h: Likewise.
	* gthr-solaris.h: Likewise.
	* gthr-tpf.h: Likewise.
	* gthr-vxworks.h: Likewise.
	* gthr-win32.h: Likewise.

2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39196
	* config/i386/i386.md: Restrict the new peephole2 to move
	between MMX/SSE registers.

2009-02-15  Richard Guenther  <rguenther@suse.de>

	Revert
	2009-02-13  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): Define.
	* config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
	spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
	* config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
	"shrqby_<mode>"): New insn-and-split patterns.
	* config/spu/spu.c (expand_builtin_args): Determine and return
	number of operands using spu_builtin_description data.
	(spu_expand_builtin_1): Use it.

2009-02-13  Steve Ellcey  <sje@cup.hp.com>

	PR target/38056
	* config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
	TARGET_CONST_GP.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39149
	* config/i386/i386.c (override_options): Correct warning
	messages for -malign-loops, -malign-jumps and -malign-functions.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39152
	* config/i386/i386.md: Restrict the new peephole2 to move
	between the general purpose registers.

2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39162
	* config/i386/i386.c (type_natural_mode): Add a new argument.
	Return the original mode and warn ABI change if vector size is 32byte.
	(function_arg_advance): Updated.
	(function_arg): Likewise.
	(ix86_function_value): Likewise.
	(ix86_return_in_memory): Likewise.
	(ix86_sol10_return_in_memory): Likewise.
	(ix86_gimplify_va_arg): Likewise.
	(function_arg_32): Don't warn ABX ABI change here.
	(function_arg_64): Likewise.

2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>

	* loop-iv.c (implies_p): In the final case, test that operands 0
	of the two comparisons match.

	* config/bfin/bfin.c (find_prev_insn_start): New function.
	(bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
	(find_next_insn_start): Move.

2009-02-13  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Enable LFS.
	* configure: Re-generate.
	* config.in: Likewise.

2009-02-13  Joseph Myers  <joseph@codesourcery.com>

	PR c/35444
	* c-parser.c (c_parser_parms_list_declarator): Discard pending
	sizes on syntax error after some arguments have been parsed.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi (-fira): Remove.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* caller-save.c: Replace regclass.c with reginfo.c in comments.
	* recog.c: Likewise.
	* rtl.h: Likewise.

2009-02-12  Uros Bizjak  <ubizjak@gmail.com>

	* longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
	(umul_ppmm): Likewise.
	(count_leading_zeros): Likewise.
	(count_trailing_zeros): Likewise.
	(UMUL_TIME): Likewise.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
	soft-fp/t-softfp to tmake_file.

	* config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
	(ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
	(ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
	IA64_BUILTIN_INFQ]: New.
	(ia64_init_builtins): Initialize __builtin_infq,
	__builtin_fabsq and __builtin_copysignq if not HPUX.
	(ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
	IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.

	* config/ia64/lib1funcs.asm (__divtf3): Define only if
	SHARED is defined.
	(__fixtfti): Likewise.
	(__fixunstfti): Likewise.
	(__floattitf): Likewise.

	* config/ia64/libgcc-glibc.ver: New.
	* config/ia64/t-fprules-softfp: Likewise.
	* config/ia64/sfp-machine.h: Likewise.

	* config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
	(LIBGCC2_TF_CEXT): Likewise.
	(TF_SIZE): Likewise.
	(TARGET_INIT_LIBFUNCS): Likewise.

	* config/ia64/t-glibc (SHLINB_MAPFILES):
	Add $(srcdir)/config/ia64/libgcc-glibc.ver.

2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (construct_container): Rewrite processing
	BLKmode with X86_64_SSE_CLASS.

2009-02-12  Paolo Bonzini  <bonzini@gnu.org>

	PR target/39152
	* config/i386/i386.md: Replace simplify_replace_rtx with
	replace_rtx in the new peephole2.

2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>

	* doc/invoke.texi (Optimize Options): Stop claiming inlining and
	loop unrolling do not happen at -O2.

2009-02-12  Michael Matz  <matz@suse.de>

	* gcc.c (ASM_DEBUG_SPEC): Check for -g0.

2009-02-12  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
	for -g3.

2009-02-12  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.md (allocate_stack): Use _stack form of
	patterns when updating the back chain.  Missed in the 2009-02-10
	change.

2009-02-11  Janis Johnson  <janis187@us.ibm.com>

	* doc/extend.texi (Decimal Floating Types): Update identifier of
	draft TR and list of missing support.

2009-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39154
	* gimplify.c (omp_notice_variable): If adding GOVD_SEEN
	bit to variable length decl's flags, add it also to its
	pointer replacement variable.

2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/39118
	* config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
	(memory_blockage): New expander.
	(*memory_blockage): New insn pattern.
	* config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
	instead of general blockage at the end of function prologue when
	frame pointer is used to access red zone area.  Do not emit blockage
	when profiling, it is emitted in generic code.
	(ix86_expand_epilogue): Emit memory_blockage at the beginning of
	function epilogue when frame pointer is used to access red zone area.

2009-02-11  Paolo Bonzini  <bonzini@gnu.org>

	PR target/38824
	* config/i386/i386.md: Add two new peephole2 to avoid mov followed
	by arithmetic with memory operands.
	* config/i386/predicates.md (commutative_operator): New.

2009-02-10  Janis Johnson  <janis187@us.ibm.com>

	* doc/extend.texi (Fixed-Point Types): Break long paragraphs into
	bulleted lists.

2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>

	* alias.h (record_alias_subset): Declare.
	* alias.c (record_alias_subset): Make global.

2009-02-10  Nick Clifton  <nickc@redhat.com>

	* tree-parloops.c: Change license to GPLv3.
	* ipa-struct-reorg.c: Change license to GPLv3.
	* ipa-struct-reorg.h: Change license to GPLv3.

2009-02-10  Steve Ellcey  <sje@cup.hp.com>

	PR c/39084
	* c-decl.c (start_struct): Return NULL on error.

2009-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/39124
	* cfgloopmanip.c (remove_path): Call remove_bbs after
	cancel_loop_tree, not before it.

	PR target/39139
	* function.h (struct function): Add has_local_explicit_reg_vars bit.
	* gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
	VAR_DECLs were seen.
	* tree-ssa-live.c (remove_unused_locals): Recompute
	cfun->has_local_explicit_reg_vars.
	* tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
	copies or clearings if cfun->has_local_explicit_reg_vars.

2009-02-10  Uros Bizjak  <ubizjak@gmail.com>

	PR target/39118
	* config/i386/i386.c (expand_prologue): Emit blockage at the end
	of function prologue when frame pointer is used to access
	red zone area.

2009-02-10  Richard Guenther  <rguenther@suse.de>

	PR middle-end/39127
	* gimplify.c (gimple_regimplify_operands): Always look if
	we need to create a temporary.

2009-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39132
	* tree-loop-distribution.c (todo): New global var.
	(generate_memset_zero): Trigger TODO_rebuild_alias.
	(tree_loop_distribution): Return todo.

2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39119
	* config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
	(x86_64_reg_class_name): Removed.
	(classify_argument): Return 0 if bytes > 32.  Return 0 if the
	first one isn't X86_64_SSE_CLASS or any other ones aren't
	X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
	X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
	is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
	and 3 X86_64_SSEUP_CLASS.
	(construct_container): Remove X86_64_AVX_CLASS.  Handle 4
	registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.

2009-02-10  Ben Elliston  <bje@au.ibm.com>

	* config/rs6000/rs6000.md (allocate_stack): Always use an update
	form instruction to update the stack back chain word, even if the
	user has disabled the generation of update instructions.
	(movdi_<mode>_update_stack): New.
	(movsi_update_stack): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
	always use an update form instruction to update the stack back
	chain word.

2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/38953
	* graphite.c (if_region_set_false_region): After moving a region in
	the false branch of a condition, remove the empty dummy basic block.
	(gloog): Remove wrong fix for PR38953.

2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
	generation due to implicit sign extension.

2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/38981
	* tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
	at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.

2009-02-09  Richard Guenther  <rguenther@suse.de>

	PR middle-end/35202
	* convert.c (convert_to_real): Disable (float)fn((double)x)
	to fnf(x) conversion if errno differences may occur and
	-fmath-errno is set.

2009-02-07  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.c (avr_mcu_t): Add ata6289 device.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

	PR c/35434
	* c-common.c (handle_alias_attribute): Disallow attribute for
	anything not a FUNCTION_DECL or VAR_DECL.

2009-02-06  Janis Johnson  <janis187@us.ibm.com>

	PR c/39035
	* real.c (do_compare): Special-case compare of zero against
	decimal float value.

2009-02-06  Joseph Myers  <joseph@codesourcery.com>

	PR c/36432
	* c-decl.c (grokdeclarator): Don't treat [] declarators in fields
	as indicating flexible array members unless the field itself is
	being declarared as the incomplete array.

2009-02-06  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/38844
	* ipa-inline.c (try_inline): Stop inlining recursion when edge
	is already inlined.

2009-02-06  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38977
	* tree-cfg.c (need_fake_edge_p): Force a fake edge for
	fork because we may expand it as __gcov_fork.

2009-02-06  Nick Clifton  <nickc@redhat.com>

	* config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.

2009-02-06  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/35659
	* tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
	vn_phi_eq): Shortcut if hashcode does not match.
	(vn_reference_op_compute_hash): Do not call iterative_hash_expr for
	NULL operands.
	* tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
	and avoid iterative_hash_expr.
	(FOR_EACH_VALUE_ID_IN_SET): New.
	(value_id_compare): Remove.
	(sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
	sort expressions by value id.

2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/38991
	* config/sh/predicates.md (general_movsrc_operand): Don't check
	the subreg of system registers here.

2009-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR c++/39106
	* cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
	on the copied decl.

2009-02-05  Paolo Bonzini  <bonzini@gnu.org>

	PR rtl-optimization/39110
	* rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
	addresses, not aligned ones.

2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39100
	* tree-ssa-structalias.c (do_ds_constraint): Actually do what the
	comment says and add edges.

2009-02-05  Joseph Myers  <joseph@codesourcery.com>

	PR c/35435
	* c-common.c (handle_tls_model_attribute): Ignore attribute for
	non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.

2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de>

	* graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
	sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
	register_bb_in_sese, new_sese, free_sese): Moved.
	(dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
	outermost_loop_in_scop, build_scop_iteration_domain,
	expand_scalar_variables_ssa_name, get_vdef_before_scop,
	limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
	Use loop_in_sese_p instead of loop_in_scop_p.
	(new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
	(new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
	(scopdet_basic_block_info): Fix bug in scop detection.
	(new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
	eq_loop_to_cloog_loop): Remove.
	(nb_loops_around_loop_in_scop, nb_loop
	ref_nb_loops): Moved here...
	* graphite.h (ref_nb_loops): ... from here.
	(struct scop): Remove bbs_b bitmap and loop2cloog_loop.
	(loop_domain_dim, loop_iteration_vector_dim): Remove.
	(SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
	* testsuite/gcc.dg/graphite/scop-19.c: New

2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
	    Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/37889
	* rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
	Move offset handling from PLUS to before the switch.  Use new
	arguments when considering SYMBOL_REFs too.
	(rtx_addr_can_trap_p): Pass dummy offset and size.
	(enum may_trap_p_flags): Remove.
	(may_trap_p_1): Pass size from MEM_SIZE.

	PR rtl-optimization/38921
	* loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
	* rtl.h (may_trap_after_code_motion_p): Delete prototype.
	* rtlanal.c (may_trap_after_code_motion_p): Delete.
	(may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.

2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (January, 2009)
	* config/i386/sse.md (*vpclmulqdq): New.

2009-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38977
	PR gcov-profile/38292
	* calls.c (special_function_p): Disregard __builtin_ prefix.

2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
	non-indexable addresses even before reload.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

	PR c/29129
	* c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
	as having variable size.  Do not give an error for unnamed
	parameters with [*] declarators.  Give a warning for type names
	with [*] declarators and mark them as variable size.
	* c-parser.c (c_parser_sizeof_expression): Do not give an error
	for sizeof applied to [*] type names.

2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR C++/36607
	* convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2009-02-03  Joseph Myers  <joseph@codesourcery.com>

	PR c/35433
	* c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
	for composite type involving a zero-length array type.

2009-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/35318
	* function.c (match_asm_constraints_1): Skip over
	initial optional % in the constraint.

	PR inline-asm/39059
	* c-parser.c (c_parser_postfix_expression): If fixed point is not
	supported, don't accept FIXED_CSTs.
	* c-decl.c (finish_declspecs): Error if fixed point is not supported
	and _Sat is used without _Fract/_Accum.  Set specs->type to
	integer_type_node for cts_fract/cts_accum if fixed point is not
	supported.

2009-02-02  Catherine Moore  <clm@codesourcery.com>

	* sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.

2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
	(ABI_HAS_64BIT_SYMBOLS): Use it.
	(DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.

2009-02-02  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_addsi3): Add r/r/k alternative.

2009-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/39058
	* recog.h (asm_operand_ok): Add constraints argument.
	* recog.c (asm_operand_ok): Likewise.  If it is set, for digits
	recurse on matching constraint.
	(check_asm_operands): Pass constraints as 3rd argument to
	asm_operand_ok.  Don't look up matching constraint here.
	* stmt.c (expand_asm_operands): Pass NULL as 3rd argument
	to asm_operand_ok.

2009-02-02  Ben Elliston  <bje@au.ibm.com>

	* doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
	TARGET_NARROW_VOLATILE_BITFIELD macro names.

2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
	information.  Remove some obsolete information.  Reorganize.

	* config/pa/fptr.c: Revert license to GPL 2.
	* config/pa/milli64.S: Likewise.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/38904
	* mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
	LIBRARY name in, instead of hard-coding it.
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
	extra target make frag to tmake_files according to EH model.
	(i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
	* config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
	frags that define makefile variable EH_MODEL appropriately.
	* config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
	* config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
	to "-sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
	to "_sjlj" according to type of EH configured.
	(LIBGCC_SONAME):  Concatenate it to shared library base name.
	* config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
	(SHLIB_LINK):  Add missing semicolon to if-else construct.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.
	* config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
	(SHLIB_SONAME):  Use it when overriding t-cygming default.
	(SHLIB_IMPLIB):  Override t-cygming default.
	(SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
	string value of "pe_dll" command-line option.

2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/38952
	* config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
	(TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.

2009-01-31  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38937
	* tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
	computing the transitive closure.

2009-01-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/39041
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
	Propagate variable indices only if the types match for this stmt.

2009-01-30  Jakub Jelinek  <jakub@redhat.com>

	PR target/39013
	* c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
	inline but never defined.

2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
	(*insv_h_di_reg_extimm): New insn.
	(*insv_l<mode>_reg_extimm): New insn.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (flag_conserve_stack): set
	PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
	fconserve-stack. Reduce call-overhead used by inliner.

2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>

	PR/38157
	* common.opt (flag_conserve_stack): Initialised to zero.

2009-01-30  Kai Tietz  <kai.tietz@onevision.com>

	PR/39002
	* config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
	(ix86_expand_epilogue): Take nsseregs in account to use proper restore
	method.

2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>

	* ira-color.c (allocno_reload_assign): Update comments.
	* regmove.c (regmove_optimize): Likewise.

	* ra.h: Removed.

2009-01-29  Robert Millan  <rmh@aybabtu.com>

	* config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
	* config/i386/kopensolaris-gnu.h: New file.  Undefine
	`MD_UNWIND_SUPPORT'.
	* config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).

2009-01-29  Kazu Hirata  <kazu@codesourcery.com>

	PR tree-optimization/39007
	* tree-loop-distribution.c (generate_builtin): Use
	recompute_dominator to compute the immediate dominator of the
	basic block just after the loop.

2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

	* config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
	(ASM_OUTPUT_DWARF_PCREL): Define.

2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>

	* doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
	* doc/passes.texi: Remove entries about regclass, local-alloc, and
	global.  Modify entries about regmove and IRA.

	* ra-conflict.c: Remove the file.

	* reload.c (push_reload, find_dummy_reload): Remove flag_ira.

	* tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
	(pass_regclass_init): Rename to pass_reginfo_init.

	* cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.

	* toplev.h (flag_ira): Remove.

	* caller-save.c (setup_save_areas): Remove flag_ira.

	* ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.

	* global.c: Remove the file.

	* opts.c (decode_options): Remove flag_ira.

	* hard-reg-set.h (losing_caller_save_reg_set): Remove.

	* regmove.c: Modify file description.
	(find_use_as_address, try_auto_increment): Define them only if
	AUTO_INC_DEC is defined.
	(replacement_quality, replace_in_call_usage, fixup_match_1,
	stable_and_no_regs_but_for_p): Remove.
	(reg_set_in_bb): Make it static.
	(regmove_optimize): Remove flag_ira and code which worked for
	!flag_ira.

	* local-alloc.c: Remove the file.

	* common.opt (fira): Remove.

	* ira.c: Include except.h.
	(eliminable_regset): Move from global.c.
	(mark_elimination): Ditto.  Remove flag_ira.
	(reg_renumber, struct equivalence, reg_equiv, equiv_mem,
	equiv_mem_modified, validate_equiv_mem_from_store,
	validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
	contains_replace_regs, memref_referenced_p, memref_used_between_p,
	no_equiv, recorded_label_ref): Move from local-alloc.c.
	(update_equiv_regs): Ditto.  Make it static.
	(print_insn_chain, print_insn_chains): Move it from global.c.
	(pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
	(build_insn_chain): Ditto.  Make it static.
	(ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
	Rename to init_live_subregs.
	(gate_ira): Remove flag_ira.

	* regclass.c: Rename reginfo.c.  Change file description.
	(FORBIDDEN_INC_DEC_CLASSES): Remove.
	(reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
	(init_reg_sets_1): Remove code for evaluation of
	reg_class_superclasses and losing_caller_save_reg_set.
	(init_regs): Remove init_reg_autoinc.
	(struct costs, costs, init_cost, ok_for_index_p_nonstrict,
	ok_for_base_p_nonstrict): Remove.
	(regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
	(pass_regclass_init): Rename to pass_reginfo_init.  Modify
	corresponding entries.
	(dump_regclass, record_operand_costs, scan_one_insn,
	init_reg_autoinc, regclass, record_reg_classes, copy_cost,
	record_address_regs, auto_inc_dec_reg_p): Remove.
	(gt-regclass.h): Rename to gt-reginfo.h.

	* rtl.h (dump_global_regs, retry_global_alloc,
	build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.

	* Makefile.in (RA_H): Remove.
	(OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
	Rename regclass.o to reginfo.o.
	(regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
	gt-reginfo.h.
	(global.o, local-alloc.o, ra-conflict.o): Remove entries.
	(GTFILES): Rename regclass.c to	reginfo.c.

	* passes.c (init_optimization_passes): Remove pass_local_alloc and
	pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
	Remove flag_ira.
	(finish_spills): Ditto.  Remove code for !flag_ira.

2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR middle-end/35854
	* doc/invoke.texi (rtl debug options): Complete rewrite.
	* auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
	to auto_inc_dec".
	* mode-switching.c (pass_mode_switching): Rename pass from
	"mode-sw" to "mode_sw".
	* except.c (pass_convert_to_eh_ranges): Rename pass from
	"eh-ranges" to "eh_ranges".
	* lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
	to "subreg1".


2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
	    Alexander Monakov  <amonakov@ispras.ru>

	PR middle-end/38857
	* sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
	register.
	(move_exprs_to_boundary): Change return type and pass through
	should_move from move_op.  Relax assert.  Update usage ...
	(schedule_expr_on_boundary): ... here.  Use should_move instead of
	cant_move.
	(move_op_orig_expr_found): Indicate that insn was disconnected from
	stream.
	(code_motion_process_successors): Do not call after_merge_succs
	callback if original expression was not found when traversing any of
	the branches.
	(code_motion_path_driver): Change return type.  Update prototype.
	(move_op): Update comment.  Add a new parameter (should_move).  Update
	prototype.  Set *should_move based on indication provided by
	move_op_orig_expr_found.

2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>

	* doc/invoke.texi (avoid-indexed-addresses): Document new option.
	* config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
	* config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
	* config/rs6000/rs6000.c (rs6000_override_options): Default
	avoid-indexed-addresses on for Power6, off for everything else.
	(avoiding_indexed_address_p): New function.
	(rs6000_legitimize_address): Use it.
	(rs6000_legitimate_address): Likewise.
	* config/rs6000/rs6000.md (movXX_updateX): Likewise

2009-01-28  Kazu Hirata  <kazu@codesourcery.com>

	PR tree-optimization/38997
	* tree-loop-distribution.c (generate_memset_zero): Use
	POINTER_PLUS_EXPR for a pointer addition.

2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>

	* config/s390/s390.md (bswap<mode>2): New pattern added.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*tls_load_31): Added type attribute.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md: Fix a few comments.

2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>

	* config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
	(*tm<mode>_full): Fixed z10prop attribute.
	(*tst<mode>_extimm): Fixed z10prop attribute.
	(*tst<mode>_cconly_extimm): Fixed z10prop attribute.
	(*tstqiCCT_cconly): Fixed z10prop attribute.
	(*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
	(*movsi_larl): Fixed z10prop attribute.
	(*movsi_zarch): Fixed z10prop attribute.
	(*movsi_eas): Fixed z10prop attribute.
	(*movhi): Fixed z10prop attribute.
	(*movqi): Fixed z10prop attribute.
	(*movstrictqi): Fixed z10prop attribute.
	(*mov<mode>): Fixed z10prop attribute.
	(*movcc): Fixed z10prop attribute.
	(*sethighpartdi_64): Fixed z10prop attribute.
	(*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
	(*negdi2_sign_cc): Fixed z10prop attribute.
	(*negdi2_sign): Fixed z10prop attribute.
	(*absdi2_sign_cc): Fixed z10prop attribute.
	(*absdi2_sign): Fixed z10prop attribute.
	(*negabsdi2_sign_cc): Fixed z10prop attribute.
	(*negabsdi2_sign): Fixed z10prop attribute.
	(*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
	(*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
	(doloop_si64): Fixed z10prop attribute.
	(doloop_si31): Fixed z10prop attribute.
	(doloop_long): Fixed z10prop attribute.
	(indirect_jump): Fixed z10prop attribute.
	(nop): Fixed z10prop attribute.
	(main_base_64): Fixed z10prop attribute.
	(reload_base_64): Fixed z10prop attribute.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38740
	* reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
	if !optimize.
	* config/mips/mips.c (mips_reorg): Likewise.

2009-01-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38926
	* tree-ssa-pre.c (add_to_value): Assert we add only expressions
	with the correct value id to a value.
	(do_regular_insertion): Use the value number of edoubleprime
	for the value number of the expr.

	Revert
	2008-08-21  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
	a PHI ask VN if it is already available.
	* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
	* tree-ssa-sccvn.c (vn_phi_lookup): Export.

2009-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38934
	* tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
	set to varying whenever max has TREE_OVERFLOW set, similarly
	for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.

2009-01-28  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38908
	* tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
	uninitialized aggregate uses in call arguments.

2009-01-28  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38984
	* tree-ssa-structalias.c (get_constraints_for_1): Do not use
	the nothing_id variable if -fno-delete-null-pointer-checks.

2009-01-28  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38988
	* config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
	(set_got_offset_rex64): Ditto.

2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38941
	* doc/extend.texi: Improve local variable with asm reg.

2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>

	* c.opt (Wpacked-bitfield-compat): Change init value to -1.
	* c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
	was not supplied then set warn_packed_bitfield_compat to the
	default value of 1.
	* stor-layout.c (place_field): Check warn_packed_bitfield_compat
	against 1.

2009-01-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38503
	* cfgexpand.c (expand_gimple_basic_block): Ignore
	GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
	* tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
	variables that cannot have TBAA applied.
	(compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
	statements.

2009-01-27  Uros Bizjak  <ubizjak@gmail.com>

	PR middle-end/38969
	* calls.c (initialize_argument_information): Do not wrap complex
	arguments in SAVE_EXPR.

2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>

	* config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
	(INSTALL_LIBGCC): Revert typo commit.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
	from special handling.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38745
	* tree-ssa.c (execute_update_addresses_taken): Do not include
	variables that cannot possibly be a register in not_reg_needs.
	Do not clear TREE_ADDRESSABLE on vars that may not become
	registers.
	* tree-ssa.c (update_alias_info_1): Include those in the set
	of addressable vars.

2009-01-26  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38851
	* Makefile.in (tree-ssa-dse.o): Add langhooks.h.
	* tree-ssa-dse.c: Include langhooks.h
	(execute_simple_dse): Remove stores with zero size.

2009-01-24  Jakub Jelinek  <jakub@redhat.com>

	PR c/38957
	* c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
	as PLUS_EXPR.

2009-01-24  Julian Brown  <julian@codesourcery.com>

	* config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
	config/arm/linux-atomic.c.
	* config/arm/linux-atomic.c: New.

2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
	* config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
	* config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.

2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR c/38938
	* c-opts.c (c_common_handle_option): Update warn_pointer_sign
	properly.

2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38953
	* graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
	(scop_adjust_phis_for_liveouts): Initialize false_i to zero.
	(gloog): Split the exit of the scop when the scop exit is a loop exit.
	(graphite_transform_loops): Only call cleanup_tree_cfg if gloog
	changed the CFG.

2009-01-24  Paul Brook  <paul@codesourcery.com>

	* config/arm/neon.md (neon_type): Move to arm.md.
	(neon_mov<VSTRUCT>): Add neon_type attribute.
	* config/arm/arm.md (neon_type): Move to here.
	(conds): Add "unconditioal" and use as default for NEON insns.

2009-01-24  Ben Elliston  <bje@au.ibm.com>

	* bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
	void *' warning from -Wc++-compat.
	* Makefile.in (dominance.o-warn): Remove.

2009-01-23  Paolo Bonzini  <bonzini@gnu.org>

	PR tree-optimization/38932
	* fold-const.c (fold_unary_ignore_overflow): New.
	* tree.h (fold_unary_ignore_overflow): Declare.
	* tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
	* tree-ssa-sccvn.c (visit_reference_op_load,
	simplify_unary_expression): Likewise.

2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>

	* c-decl.c (finish_struct): Move code to set DECL_PACKED after
	DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
	regardless of their type.
	* c-common.c (handle_packed_attribute): Don't ignore packed on
	bitfields.
	* c.opt (Wpacked-bitfield-compat): New warning option.
	* stor-layout.c (place_field): Warn if offset of a field changed.
	* doc/extend.texi (packed): Mention the ABI change.
	* doc/invoke.texi (-Wpacked-bitfield-compat): Document.
	(Warning Options): Add it to the list.

2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>

	* c-opts.c (c_common_post_options): Fix a typo in comments.

2009-01-22  Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/38615
	* gimplify.c (gimplify_init_constructor): Fix promotion of const
	variables to static.
	* doc/invoke.texi (-fmerge-all-constants): Update description.

2009-01-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38931
	* config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
	(*movdi_1_rex64): Use type "mmx" for alternative 5.

2009-01-22  Richard Earnshaw  <rearnsha@arm.com>

	* arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
	a word boundary.
	(LOCAL_ALIGNMENT): Similarly.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
	    Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
	* config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
	* config/arm/arm-tune.md: Regenerate.
	* doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
	-march=iwmmxt2.

2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>

	* config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
	version number to five.

2009-01-22  Dodji Seketeli  <dodji@redhat.com>

	PR c++/38930
	* c-decl.c (clone_underlying_type): Revert PR c++/26693 changes.
	* c-common.c (set_underlying_type): Likewise.
	(is_typedef_decl ): Likewise
	* tree.h: Likewise
	(set_underlying_type): Likewise.
	(is_typedef_type): Likewise.

2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/38587
	* ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
	crossing setjmps.

2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR bootstrap/37660
	* config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
	(LIBGCC_SPEC):  Don't define.
	(REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.

2009-01-21  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/38879
	* alias.c (base_alias_check): Unaligned access via AND address can
	alias all surrounding object types except those with sizes equal
	or wider than the size of unaligned access.

2009-01-21  Dodji Seketeli  <dodji@redhat.com>

	PR c++/26693
	* c-decl.c (clone_underlying_type): Move this ...
	* c-common.c (set_underlying_type): ... here.
	Also, make sure the function properly sets TYPE_STUB_DECL() on
	the newly created typedef variant type.
	(is_typedef_decl ): New entry point.
	* tree.h: Added a new member member_types_needing_access_check to
	struct tree_decl_non_common.
	(set_underlying_type): New entry point.
	(is_typedef_type): Likewise.

2009-01-21  Bingfeng Mei  <bmei@broadcom.com>

	* alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
	Check whether two instructions have memory references that
	belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
	are helper functions for traversing.
	* alias.h (insn_alias_sets_confilict_p): New prototypes.
	* ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
	not to draw dependency edge for instructions with non-conflicting
	alias sets.

2009-01-20  Joseph Myers  <joseph@codesourcery.com>

	PR other/38758
	* longlong.h: Update copyright years.  Use soft-fp license notice.
	Sync __clz_tab declaration with glibc.

2009-01-20  Steve Ellcey  <sje@cup.hp.com>

	PR target/30687
	* doc/extend.texi (syscall_linkage): New.
	(version_id): Modify.

2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38747
	PR tree-optimization/38748
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
	conversion if the base address is an indirect reference and the
	aliasing sets could cause issues.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (fgraphite, fgraphite-identity): Add comment for
	explaining why these options are not documented.

2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.c (stmt_simple_for_scop_p): Also handle cases when
	gimple_call_lhs is NULL.

2009-01-20  Paolo Bonzini  <bonzini@gnu.org>

	PR target/38868
	* emit-rtl.c (adjust_address_1): Make sure memref is never
	overwritten.

2009-01-20  Ben Elliston  <bje@au.ibm.com>

	* libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg parameter. Remove unnecessary cast to char *.
	* gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
	const qualifier from arg 2.

2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>

	* config/darwin.h: Add static-libgfortran to LINK_SPEC.

2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>

	PR c/38869
	* rtl.h (reinit_regs): New prototype.
	* regclass.c: Include ira.h.
	(reinit_regs): New.
	* Makefile.in (regclass.o): Add ira.h.
	* config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.

2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/38736
	* c-common.c (handle_aligned_attribute): Use
	ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
	default alignment value.

	* c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.

	* defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
	* config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.

	* doc/extend.texi: Update __attribute__ ((aligned)).  Document
	__BIGGEST_ALIGNMENT__.

	* doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.

2009-01-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38819
	* tree-flow.h (operation_could_trap_helper_p): Declare.
	* tree-eh.c (operation_could_trap_helper_p): Export.
	* tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
	* tree-ssa-sccvn.c (vn_nary_may_trap): New function.
	* tree-ssa-pre.c (insert_into_preds_of_block): Check if we
	are about to insert a possibly trapping instruction and fail
	in this case.

2009-01-18  Andreas Schwab  <schwab@suse.de>

	* doc/install.texi (Configuration): Remove obsolete paragraph
	about use of --with-gnu-ld with --with-gnu-as.

2009-01-18  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
	doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
	Follow spelling conventions.

2009-01-18  Ben Elliston  <bje@au.ibm.com>

	* bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
	C++ warning about implicit conversion from void * to struct
	bitmap_head_def *.
	(bitmap_obstack_free): Likewise for bitmap_element *.
	* Makefile.in (bitmap.o-warn): Remove.

2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>

	* Makefile.in (BACKENDLIBS):  Reorder to match dependencies.

2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (graphite_trans_scop_block): Do not block single
	nested loops.

2009-01-16  Alexandre Oliva  <aoliva@redhat.com>

	* ebitmap.h (ebitmap_iter_init): Initialize all fields.
	* ipa-struct-reorg.c (gen_struct_type): Replace known-true
	test with assertion.

2009-01-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38835
	PR middle-end/36227
	* fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
	and INT + PTR -> (INT)(PTR p+ INT) folding.
	* tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.

2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>

	PR target/38554
	* expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
	the subreg from a lowpart subreg if it is also casting the value.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (compare_prefix_loops): New.
	(build_scop_canonical_schedules): Rewritten.
	(graphite_transform_loops): Move build_scop_canonical_schedules
	after build_scop_iteration_domain.

2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>

	* graphite.c (add_conditions_to_domain): Add the loops to
	the dimension of the iteration domain.  Do copy the domain
	only when it exists.
	(build_scop_conditions_1): Do not call add_conditions_to_domain.
	(add_conditions_to_constraints): New.
	(can_generate_code_stmt, can_generate_code): Removed.
	(gloog): Do not call can_generate_code.
	(graphite_transform_loops): Call add_conditions_to_constraints
	after building the iteration domain.

2009-01-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38789
	* tree-ssa-threadedge.c
	(record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
	__builtin_constant_p.

2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dce.c (delete_unmarked_insns): Reversed the order that insns are
	examined before deleting them.

2009-01-16  Richard Earnshaw  <rearnsha@arm.com>

	* function.c (aggregate_value_p): Correctly extract the function
	type from CALL_EXPR_FN lookup.

2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>

	* config/picochip/picochip.c (picochip_override_options): Revert
	CFI asm flag disable commited previously.

2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
	    Tobias Grosser  <tobi.grosser@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	* graphite.c (scan_tree_for_params): On substractions negate
	all the coefficients of the term.
	(clast_to_gcc_expression_red): New.  Handle reduction expressions
	of more than two operands.
	(clast_to_gcc_expression): Call clast_to_gcc_expression_red.
	(get_vdef_before_scop): Handle also the case of default definitions.

2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>

	* caller-save.c (add_used_regs_1, add_used_regs): New functions.
	(insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
	Also use them when walking CALL_INSN_FUNCTION_USAGE.

2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
	    Joey Ye  <joey.ye@intel.com>

	PR middle-end/37843
	* cfgexpand.c (expand_stack_alignment): Don't update stack
	boundary nor check incoming stack boundary here.
	(gimple_expand_cfg): Update stack boundary and check incoming
	stack boundary here.

2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.

2009-01-14  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38245
	* calls.c (expand_call): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
	in regs and partially in memory or BLKmode arguments.
	(emit_library_call_value_1): Add stack arguments to
	CALL_INSN_FUNCTION_USAGE even for pure calls (when
	ACCUMULATE_OUTGOING_ARGS).
	* dce.c: Include tm_p.h.
	(find_call_stack_args): New function.
	(deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
	argument.
	(mark_insn): Call find_call_stack_args for CALL_Ps.
	(prescan_insns_for_dce): Walk insns backwards in bb rather than
	forwards.  Allocate and free arg_stores bitmap if needed, pass it
	down to deletable_insn_p, don't mark stores set in arg_stores
	bitmap, clear the bitmap at the beginning of each bb.
	* Makefile.in (dce.o): Depend on $(TM_P_H).

2009-01-14  Michael Meissner  <gnu@the-meissners.org>

	PR target/22599
	* config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
	to make sure the insn is a conditional test (bug 22599).  Reformat a
	few long lines.

2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/38431
	* graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
	(scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
	(gloog): Do not call cleanup_tree_cfg.
	(graphite_transform_loops): Call cleanup_tree_cfg after all
	scops have been code generated.

2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
	* doc/gty.texi (Invoking the garbage collector): Added new node
	and section documenting ggc_collect.

2009-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38826
	PR middle-end/38477
	* tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
	initialization notes only if we actually emitted a warning.
	(intra_create_variable_infos): Add constraints for a result decl
	that is passed by hidden reference.
	(build_pred_graph): Mark all related variables non-direct on
	address-taking.

2009-01-14  Nick Clifton  <nickc@redhat.com>

	* ira-conflicts.c: Include addresses.h for the definition of
	base_reg_class.
	(ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
	* Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.

2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/38811
	* Makefile.in (ira-lives.o): Add except.h.

	* ira-lives.c: Include except.h.
	(process_bb_node_lives): Process can_throw_internal.

2009-01-13  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38774
	* combine.c (simplify_set): When undoing cc_use change, don't do
	PUT_CODE on the newly created comparison, but instead put back the
	old comparison.

2009-01-13  Joseph Myers  <joseph@codesourcery.com>

	* doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
	values.  Remove duplicate arm8 entry.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38786
	* graphite.c (expand_scalar_variables_ssa_name): New, outlined from
	the SSA_NAME case of expand_scalar_variables_expr.
	Set the type of an expression to the type of its assign	statement.
	(expand_scalar_variables_expr): Also gather the scalar computation
	used to index the memory access.  Do not pass loop_p.
	Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
	(expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
	the gimple_stmt_iterator where it inserts new code.
	Do not pass loop_p.
	(copy_bb_and_scalar_dependences): Do not pass loop_p.
	(translate_clast): Update call to copy_bb_and_scalar_dependences.

2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite.h (debug_value): Removed.
	* graphite.c (debug_value): Removed.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.c (output_move_double): Don't synthesize thumb-2
	ldrd/strd with two 32-bit instructions.

2009-01-13  Richard Earnshaw  <rearnsha@arm.com>

	* config/arm/arm.c (struct processors): Pass for speed down into
	cost helper functions.
	(const_ok_for_op): Handle COMPARE and inequality nodes.
	(arm_rtx_costs_1): Rewrite.
	(arm_size_rtx_costs): Update prototype.
	(arm_rtx_costs): Pass speed down to helper functions.
	(arm_slowmul_rtx_costs): Rework cost calculations.
	(arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
	(arm_9e_rtx_costs): Likewise.

2009-01-13  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
	relocations of local symbols wider than UNITS_PER_WORD are not valid.
	(alpha_legitimize_address): Do not split local symbols wider than
	UNITS_PER_WORD into HIGH/LO_SUM parts.

2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>

	PR bootstrap/38580
	* gcc.c (process_command): Replace call to execvp with calls
	to pex_one and exit.

2009-01-03  Anatoly Sokolov  <aesok@post.ru>

	PR target/29141
	* config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
	* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
	variant for devices with 3-byte PC.
	(__tablejump_elpm__): New.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/32041
	* c-parser.c (c_parser_postfix_expression): Allow `->' in
	offsetof member-designator, handle it as `[0].'.

2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
	function when not using named sections on targets with named sections
	if branch distance is less than 262132.

2009-01-12  Richard Earnshaw  <rearnsha@arm.com>

	* combine.c (combine_instructions):  Recompute
	optimize_this_for_speed_p  for each BB in the main combine loop.

2009-01-12  Tomas Bily  <tbily@suse.cz>

	PR middlend/38385
	* tree-loop-distribution.c (prop_phis): New function.
	(generate_builtin): Call prop_phis.
	* testsuite/gcc.dg/tree-ssa/pr38385.c: New file.

2009-01-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/38807
	* tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
	gimple_visited_p unless stmt is GIMPLE_ASSIGN.

2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>

	* expmed.c (store_bit_field_1): Properly truncate the paradoxical
	subreg of op0 to the original op0.

2009-01-11  Laurent GUERBY  <laurent@guerby.net>

	* doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.

2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>

	PR debug/7055
	* mips-tfile.c (parse_def): Fix parsing of def strings
	starting with digits.

2009-01-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/38695
	* config/arm/arm.c (arm_is_long_call_p): Don't call
	arm_function_in_section_p if decl isn't a FUNCTION_DECL.

2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>

	* regrename.c (regrename_optimize): Fix dumping.
	(find_oldest_value_reg): Preserve REG_POINTER.
	(copy_hardreg_forward_1): Likewise.

2009-01-09  Diego Novillo  <dnovillo@google.com>

	* gimple.h (struct gimple_statement_base) <uid>: Document
	the restrictions on its use.
	(gimple_uid): Tidy.
	(gimple_set_uid): Tidy.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	* config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
	zero guard even if align_bytes != 0 and count is smaller than
	size_needed.

2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/38495
	* ira-emit.c (print_move_list, ira_debug_move_list): New functions.
	(add_range_and_copies_from_move_list): Print all added ranges.
	Add ranges to memory optimized destination.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR target/38686
	PR target/38708
	* config/i386/i386.c (override_options): Reject
	-mstringop-strategy=rep_8byte with -m32.
	(ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
	to 1.  Do count comparison against epilogue_size_needed at compile
	time even when count_exp was constant forced into register.  For
	size_needed don't jump to epilogue, instead just avoid aligning
	and invoke the body algorithm.  If need_zero_guard, add zero guard
	even if count is non-zero, but smaller than size_needed + number of
	bytes that could be stored for alignment.
	(ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
	to 1.  If need_zero_guard, add zero guard even if count is non-zero,
	but smaller than size_needed + number of bytes that could be stored
	for alignment.  Compare size_needed with epilogue_size_needed instead
	of desired_align - align, don't adjust size_needed, pass
	epilogue_size_needed to the epilogue expanders.

	PR c/35742
	* c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.

2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (last_address): Change to unsigned.
	(update_total_code_bytes): Change argument to unsigned.  Don't
	check if insn addresses are set.
	(pa_output_function_epilogue): Set last_address to UINT_MAX if insn
	addresses are not set.
	(pa_asm_output_mi_thunk): Handle wrap when updating last_address.

2009-01-09  Nick Clifton  <nickc@redhat.com>

	* config/sh/symbian.c: Replace uses of DECL_INLINE with
	DECL_DECLARED_INLINE_P.

2009-01-09  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38347
	* dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
	GET_MODE (op0) in operand_subword_force calls.

	PR middle-end/38771
	* fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
	fold_convert arg0 operands to TREE_TYPE (op0) first.

2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>

	* params.def (ira-max-conflict-table-size): Decrease default value
	to 1000.

2009-01-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/37031
	* lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
	on parameter_set.
	(build_access_matrix): Reserve correct size for AM_MATRIX vector,
	allocate it using gc instead of heap, use VEC_quick_push instead of
	VEC_safe_push.
	* graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
	instead of heap, use VEC_quick_push instead of VEC_safe_push.
	* tree-data-ref.h (struct access_matrix): Change matrix to gc
	allocated vector from heap allocated.
	* lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
	* tree-loop-linear.c (linear_transform_loops): Allocate nest
	vector only after perfect_loop_nest_depth call.

2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38559
	* graphite.c (debug_value, copy_constraint,
	swap_constraint_variables, scale_constraint_variable, ): New.
	(get_lower_bound, get_upper_bound): Removed.
	(graphite_trans_bb_strip_mine): Clean up this code that works
	only for constant number of iterations.  Fully copy upper and
	lower bound constraints, not only the constant part of them.
	* graphite.h (debug_value): Declared.

2009-01-08  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/37194
	* tree-vect-transform.c (vect_estimate_min_profitable_iters):
	Don't add the cost of cost model guard in prologue to scalar
	outside cost in case of known number of iterations.

2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
	    Alan Modra  <amodra@bigpond.net.au>

	* config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
	non-word-aligned REG+CONST addressing.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

	PR target/38706
	* config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
	free_after_compilation when outputting a thunk.
	(alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
	Do not call free_after_compilation here.

2009-01-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
	(ix86_valid_target_attribute_inner_p): Ditto.

2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38492
	PR tree-optimization/38498
	* tree-check.c (operator_is_linear, scev_is_linear_expression): New.
	* tree-chrec.h (scev_is_linear_expression): Declared.
	* graphite.c (graphite_cannot_represent_loop_niter): New.
	(scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
	(graphite_loop_normal_form): Use gcc_assert.
	(scan_tree_for_params): Use CASE_CONVERT.
	(phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
	(build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
	Use gcc_assert.  Discard scops that contain unhandled cases.
	(build_scop_conditions): Return a boolean status for unhandled cases.
	(strip_mine_profitable_p): Print the loop number, not its depth.
	(is_interchange_valid): Pass the depth of the loop nest, don't
	recompute it wrongly.
	(graphite_trans_bb_block): Same.
	(graphite_trans_bb_block): Print tentative of loop blocking.
	(graphite_trans_scop_block): Do not print that the loop has been
	blocked.
	(graphite_transform_loops): Do not handle scops that contain condition
	scalar phi nodes.

2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm256_stream_si256): New.
	(_mm256_stream_pd): Likewise.
	(_mm256_stream_ps): Likewise.

	* config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
	IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
	(ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
	(bdesc_special_args): Add __builtin_ia32_movntdq256,
	__builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
	(ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/sse.md (AVXMODEDI): New.
	(avx_movnt<mode>): Likewise.
	(avx_movnt<mode>): Likewise.
	(<sse>_movnt<mode>): Remove AVX support.
	(sse2_movntv2di): Likewise.

2009-01-07  Richard Guenther  <rguenther@suse.de>

	PR middle-end/38751
	* fold-const.c (extract_muldiv): Remove obsolete comment.
	(fold_plusminus_mult_expr): Undo MINUS_EXPR
	to PLUS_EXPR canonicalization for the canonicalization.

2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
	hosted cross-compilers generating less efficient code.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	* function.h (rtl_data): Add a dbr_scheduled_p field.
	* reorg.c (dbr_schedule): Set it.
	(gate_handle_delay_slots): Check it.
	* config/mips/mips.c (mips_base_delayed_branch): Delete.
	(mips_reorg): Check flag_delayed_branch instead of
	mips_base_delayed_branch.
	(mips_override_options): Don't set mips_base_delayed_branch
	or flag_delayed_branch.

2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/38426.
	* ira.c (ira): Set current_function_is_leaf earlier.

2009-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/38722
	* combine.c (try_combine): Don't modify PATTERN (i3) and notes
	too early, only set a flag and modify after last possible
	undo_all point.

2009-01-06  Janis Johnson  <janis187@us.ibm.com>

	PR c/34252
	* ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
	* real.c (decimal_single_format): Correct values of emin and emax.
	(decimal_double_format): Ditto.
	(decimal_quad_format): Ditto.
	* c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
	computation of DECnn_MIN and DECnn_MAX for corrected values of
	emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
	__DECnn_MIN__, and adjust its computation for the corrected value
	of emin.

2009-01-06  Jan Hubicka  <jh@suse.cz>

	PR target/38744
	* config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.

2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/contrib.texi (Contributors): Slightly adjust the end note.
	Add Robert Clark to the list of testers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
	* config/i386/i386.c (ix86_expand_call): Add clobbers.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
	for w64 ABI.
	* config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
	(ix86_nsaved_regs): Count only general purpose regs.
	(ix86_nsaved_sseregs): New.
	(ix86_compute_frame_layout): Update nsseregs; set preferred alignment
	to 16 for w64; compute padding and size of sse reg save area.
	(ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
	general purpose regs.
	(ix86_emit_save_sse_regs_using_mov): New.
	(ix86_expand_prologue): Save SSE regs if needed.
	(ix86_emit_restore_regs_using_mov): Use only general purpose regs.
	(ix86_emit_restore_sse_regs_using_mov): New.
	(ix86_expand_epilogue): Save SSE regs if needed.

2009-01-06  Jan Hubicka  <jh@suse.cz>
	    Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
	* config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
	functions when accumulate outgoing args is off.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	PR bootstrap/38742
	* ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
	before using pseudos_have_intersected_live_ranges_p.

	* ira-int.h (ira_assert): Always define.

2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>

	AVX Programming Reference (December, 2008)
	* config/i386/avxintrin.h (_mm_permute2_pd): Removed.
	(_mm256_permute2_pd): Likewise.
	(_mm_permute2_ps): Likewise.
	(_mm256_permute2_ps): Likewise.
	* config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
	* config/i386/sse.md (avx_vpermil2<mode>3): Likewise.

	* config/i386/i386.c (ix86_builtins): Remove
	IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
	IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
	(ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
	V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
	and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
	(bdesc_args): Remove __builtin_ia32_vpermil2pd,
	__builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
	__builtin_ia32_vpermil2ps256.
	(ix86_init_mmx_sse_builtins): Updated.
	(ix86_expand_args_builtin): Likewise.

2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* pa.c (output_call): Relocate non-jump insns in the delay slot of
	long absolute calls when generating PA 2.0 code.

2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/38583
	* params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.

	* params.def (ira-max-conflict-table-size): New.

	* doc/invoke.texi (ira-max-conflict-table-size): Decribe.

	* ira.h (ira_conflicts_p): New external definition.

	* ira-conflicts.c (build_conflict_bit_table): Do not build too big
	table.  Report this.  Return result of building.
	(ira_build_conflicts): Use ira_conflicts_p.  Check result of
	building conflict table.

	* ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
	(ira_color): Use ira_conflicts_p.

	* global.c: Include ira.h.
	(pseudo_for_reload_consideration_p, build_insn_chain): Use
	ira_conflicts_p.

	* Makefile.in (global.o): Add ira.h.

	* ira-build.c (mark_all_loops_for_removal,
	propagate_some_info_from_allocno): New.
	(remove_unnecessary_allocnos): Call
	propagate_some_info_from_allocno.
	(remove_low_level_allocnos): New.
	(remove_unnecessary_regions): Add parameter.  Call
	mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
	parameter to remove_unnecessary_regions.
	(ira_build): Remove all regions but root if the conflict table was
	not built.  Update conflict hard regs for allocnos crossing calls.

	* ira.c (ira_conflicts_p): New global.
	(ira): Define and use ira_conflicts_p.

	* reload1.c (compute_use_by_pseudos, reload, count_pseudo,
	count_spilled_pseudo, find_reg, alter_reg, finish_spills,
	emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.

2009-01-06  Ben Elliston  <bje@au.ibm.com>

	* gengtype-lex.l (YY_NO_INPUT): Define.

2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR c/34911
	* c-common.c (handle_vector_size_attribute): Also reject
	BOOLEAN_TYPE types.

2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/38492
	* graphite.c (rename_map_elt, debug_rename_elt,
	debug_rename_map_1, debug_rename_map, new_rename_map_elt,
	rename_map_elt_info, eq_rename_map_elts,
	get_new_name_from_old_name, bb_in_sese_p): Moved around.
	(sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
	(sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
	(sese_build_livein_liveouts): New.
	(new_sese, free_sese): New.
	(new_scop): Call new_sese.
	(free_scop): Call free_sese.
	(rename_variables_from_edge, rename_phis_end_scop): Removed.
	(register_old_new_names): Renamed register_old_and_new_names.
	(register_scop_liveout_renames, add_loop_exit_phis,
	insert_loop_close_phis, struct igp,
	default_liveout_before_guard, add_guard_exit_phis,
	insert_guard_phis, copy_renames): New.
	(translate_clast): Call insert_loop_close_phis and insert_guard_phis.
	(sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
	(rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
	(scop_adjust_phis_for_liveouts): New.
	(gloog): Call scop_adjust_phis_for_liveouts.

	* graphite.h (struct sese): Documented.  Added fields liveout,
	num_ver and livein.
	(SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
	(new_sese, free_sese, sese_build_livein_liveouts): Declared.
	(struct scop): Added field liveout_renames.
	(SCOP_LIVEOUT_RENAMES): New.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>

	PR tree-optimization/38510
	* graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
	(translate_clast): Call recompute_all_dominators before
	graphite_verify.
	(gloog): Call recompute_all_dominators before graphite_verify.

2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
	    Jan Sjodin  <jan.sjodin@amd.com>

	PR tree-optimization/38500
	* graphite.c (create_sese_edges): Call fix_loop_structure after
	splitting blocks.

2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config.gcc: Add m32r*-*-rtems*.
	* config/m32r/rtems.h: New file.

2009-01-05  Ben Elliston  <bje@au.ibm.com>

	* Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
	(.po.pox): Likewise.
	(po/gcc.pot): Likewise.

2009-01-04  David S. Miller  <davem@davemloft.net>

	* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
	(STARTING_FRAME_OFFSET): Always set to zero.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

	* tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
	* tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
	fixed-point types, and vectors of the same.

2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/sync.md (*mb_barrier): Rename to...
	(*memory_barrier): ...this.

2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/extend.texi (Function Attributes): Move @cindex after @item
	for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
	and put in alphabetical order. Fix 'target' name and put in order.
	* doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
	typos.

2009-01-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
	* config/sparc/sync.md (memory_barrier): Expand as unspec instead of
	unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
	scratch register.  Remove operand 1.
	(*stbar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove (const_int 8).
	(*membar): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand, remove input operand 2.

	* config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
	(memory_barrier): Expand as unspec instead of unspec_volatile.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	(*memory_barrier): Define as unspec instead of unspec_volatile.
	Use (match_dup 0) as input operand.

	* config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*memory_barrier): New insn pattern.

	* config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
	insn operands.
	(*memory_barrier): Use (match_dup 0) as input operand.

	* config/mips/sync.md (memory_barrier): Redefine as expander pattern.
	Remove mem:BLK from insn operands.  Use Pmode scratch register.
	Set volatile flag on operand 0.
	(*mb_internal): New insn pattern.

	* config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/38586
	* function.c (struct temp_slot): Move to the section of the file
	that deals with temp slots.  Remove field 'address'.
	(temp_slot_address_table): New hash table of address -> temp slot.
	(struct temp_slot_address_entry): New struct, items for the table.
	(temp_slot_address_compute_hash, temp_slot_address_hash,
	temp_slot_address_eq, insert_temp_slot_address): Support functions
	for the new table.
	(find_temp_slot_from_address): Rewrite to use the new hash table.
	(remove_unused_temp_slot_addresses): Remove addresses of temp
	slots that have been made available.
	(remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
	worker function for remove_unused_temp_slot_addresses.
	(assign_stack_temp_for_type): Don't clear the temp slot address list.
	Add the temp slot address to the address -> temp slot map.
	(update_temp_slot_address): Update via insert_temp_slot_address.
	(free_temp_slots): Call remove_unused_temp_slot_addresses.
	(pop_temp_slots): Likewise.
	(init_temp_slots): Allocate the address -> temp slot map, or empty
	the map if it is already allocated.
	(prepare_function_start): Initialize temp slot processing.

2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/38584
	* cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
	Calculate the size of all stack vars assuming no packing of stack
	vars will happen, replacing a quadratic algorithm with a linear one.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/38707
	* expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
	can't be used.

2009-01-03  Diego Novillo  <dnovillo@google.com>

	* doc/contrib.texi: Update contributions.

2009-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR c++/38705
	* builtins.c (fold_builtin_memory_op): Give up if either operand
	is volatile.  Set srctype or desttype to non-qualified version
	of the other type.

	PR c/38700
	* builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
	and FUNCTION_DECLs.

2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>

	PR rtl-optimization/35805
	* df-problems.c (df_lr_finalize): Add recursive call to resolve lr
	problem if fast dce is able to remove any instructions.
	* dce.c (dce_process_block): Fix dump message.

2009-01-02  Mark Mitchell  <mark@codesourcery.com>

	PR 33649
	* tree-ssa-pre.c (compute_antic): Correct loop bounds.

2009-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/38690
	* tree-flow.h (op_code_prio, op_prio): New prototypes.
	* tree-pretty-print.c (op_code_prio): New function.
	(op_prio): No longer static.  Use op_code_prio.
	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
	Use op_prio and op_code_prio to determine if () should be
	printed around operand(s) or not.

	* gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
	dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
	dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
	dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
	pp_character instead of pp_string for single letter printing.

2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>

	* doc/extend.texi: Fix '#pragma GCC option' typo.

2009-01-02  Richard Guenther  <rguenther@suse.de>

	* doc/install.texi (--enable-checking): Mention different
	default for stage1.
	(--enable-stage1-checking): Document.

2009-01-01  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/30142
	* tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
	case to be an error.

2009-01-02  Ben Elliston  <bje@au.ibm.com>

	* config/fp-bit.h (pack_d): Constify argument.
	* config/fp-bit.c (makenan): Constify return type. Remove casts.
	(isnan): Constify argument.
	(isinf): Likewise.
	(iszero): Likewise.
	(pack_d): Likewise.
	(_fpadd_parts): Constify return type.
	(_fpmul_parts): Likewise.
	(_fpdiv_parts): Likewise.

2009-01-01  Jakub Jelinek  <jakub@redhat.com>

	PR c/36489
	* c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
	warn about overwriting initializer with side-effects or
	-Woverride-init if !IMPLICIT.
	(output_init_element): Likewise.  Pass IMPLICIT down to
	add_pending_init.
	(process_init_element): Add IMPLICIT argument.  Pass it down
	to output_init_element.
	(push_init_element, pop_init_level, set_designator): Adjust
	process_init_element callers.
	(set_nonincremental_init, set_nonincremental_init_from_string):
	Adjust add_pending_init callers.
	(output_pending_init_elements): Adjust output_init_element callers.
	* c-tree.h (process_init_element): Adjust prototype.
	* c-parser.c (c_parser_initelt, c_parser_initval): Adjust
	process_init_element callers.


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