path: root/gcc/ChangeLog

2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2012-05-21  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/53416
	* config/i386/i386.md (UNSPEC_RDRAND): Renamed to ...
	(UNSPECV_RDRAND): This.
	(rdrand<mode>_1): Updated.

2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2012-05-20  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	RDRND, F16C and FSGSBASE.

2012-05-16  Eric Botcazou  <ebotcazou@adacore.com>

	* configure: Regenerate.

2012-05-14  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46098
	* config/i386/i386.c (ix86_expand_special_args_builtin): Always
	generate target register for "load" class builtins.

	Revert:
	2010-10-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/46098
	* config/i386/sse.md (*avx_movu<ssemodesuffix><avxmodesuffix>):
	Rename from avx_movu<ssemodesuffix><avxmodesuffix>.
	(avx_movu<ssemodesuffix><avxmodesuffix>): New expander.
	(*<sse>_movu<ssemodesuffix>): Rename from <sse>_movu<ssemodesuffix>.
	(<sse>_movu<ssemodesuffix>): New expander.
	(*avx_movdqu<avxmodesuffix>): Rename from avx_movdqu<avxmodesuffix>.
	(avx_movdqu<avxmodesuffix>): New expander.
	(*sse2_movdqu): Rename from sse2_movdqu.
	(sse2_movdqu): New expander.

2012-05-13  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-05-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_emit_conditional_branch): Handle
	ORDERED and UNORDERED conditions.

2012-05-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/52999
	* config/pa/pa.h (LEGITIMATE_CONSTANT_P): Don't put function labels
	in constant pool.

2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-05-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/53228
	* config/i386/i386.h (X86_ARCH_CMOV): Rename from X86_ARCH_CMOVE.
	(TARGET_CMOV): Rename from TARGET_CMOVE.
	(TARGET_CMOVE): New define.
	* config/i386/i386.c (ix86_option_override_internal): Use TARGET_CMOV.
	Do not set TARGET_CMOVE here.

2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from the mainline
	2012-05-03  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/53199
	* config/rs6000/rs6000.md (bswapdi splitters): If
	-mavoid-indexed-addresses (or -mcpu=power6 which sets it by
	default) is used, generate an alternate sequence that does not
	depend on using indexed addressing.

2012-04-30  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2012-04-27  Paolo Bonzini  <bonzini@gnu.org>

	PR target/53138
	* config/i386/i386.md (x86_mov<mode>cc_0_m1_neg): Add clobber.

2012-04-24  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/53084
	* varasm.c (compute_reloc_for_constant): Handle ADDR_EXPR of MEM_REF.
	(output_addressed_constants): Likewise.

2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>

	struct siginfo vs. siginfo_t

	Backport from trunk (but apply to gcc/):

	2012-04-20  Thomas Schwinge  <thomas@codesourcery.com>

	* config/alpha/linux-unwind.h (alpha_fallback_frame_state): Use
	siginfo_t instead of struct siginfo.
	* config/bfin/linux-unwind.h (bfin_fallback_frame_state): Likewise.
	* config/i386/linux-unwind.h (x86_fallback_frame_state): Likewise.
	* config/ia64/linux-unwind.h (ia64_fallback_frame_state)
	(ia64_handle_unwabi): Likewise.
	* config/mips/linux-unwind.h (mips_fallback_frame_state): Likewise.
	* config/pa/linux-unwind.h (pa32_fallback_frame_state): Likewise.
	* config/sh/linux-unwind.h (shmedia_fallback_frame_state)
	(sh_fallback_frame_state): Likewise.
	* config/xtensa/linux-unwind.h (xtensa_fallback_frame_state): Likewise.

2012-04-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2012-04-12  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/52775
	* config/rs6000/rs6000.h (TARGET_FCFID): Add TARGET_PPC_GPOPT to
	the list of options to enable the FCFID instruction.

2012-04-12  Richard Earnshaw  <rearnsha@arm.com>

	PR target/49448
	* config.gcc (arm*-*-linux*): Use an unambiguous pattern for
	detecting big-endian triplets.

2012-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR middle-end/52894
	* varasm.c (process_pending_assemble_externals): Set
	pending_assemble_externals_processed true.
	(assemble_external): Call assemble_external_real if the pending
	assemble externals have been processed.

2012-04-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/52717
	* config/sparc/sparc.c (sparc_file_end): Set TREE_PUBLIC explicitly on
	the DECL generated for the special GOT helper.

2012-04-06  Matt Turner  <mattst88@gmail.com>

	* doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (avx_h<plusminus_insn>v4df3): Fix results
	crossing 128bit lane boundary.

2012-03-29  Uros Bizjak  <ubizjak@gmail.com>

	Backported from mainline
	2012-03-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52698
	* config/i386/i386-protos.h (ix86_legitimize_reload_address):
	New prototype.
	* config/i386/i386.h (LEGITIMIZE_RELOAD_ADDRESS): New define.
	* config/i386/i386.c: Include reload.h.
	(ix86_legitimize_reload_address): New function.

2012-03-28  Joey Ye  <joey.ye@arm.com>

	Backported from mainline
	2011-12-20  Bernd Schmidt  <bernds@codesourcery.com>

	PR middle-end/51200
	* expr.c (store_field): Avoid a direct store if the mode is larger
	than the size of the bit field.
	* stor-layout.c (layout_decl): If flag_strict_volatile_bitfields,
	treat non-volatile bit fields like volatile ones.
	* toplev.c (process_options): Disallow combination of
	-fstrict-volatile-bitfields and ABI versions less than 2.
	* config/arm/arm.c (arm_option_override): Don't enable
	flag_strict_volatile_bitfields if the ABI version is less than 2.
	* config/h8300/h8300.c (h8300_option_override): Likewise.
	* config/rx/rx.c (rx_option_override): Likewise.
	* config/m32c/m32c.c (m32c_option_override): Likewise.
	* config/sh/sh.c (sh_option_override): Likewise.

	2011-12-22  Joey Ye  <joey.ye@arm.com>

	* toplev.c (process_options): Fix typo.

2012-03-28  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline
	2012-03-27  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/52693
	* tree-sra.c (sra_modify_assign): Do not call
	load_assign_lhs_subreplacements when working with an unscalarizable
	region.

2012-03-28  Georg-Johann Lay  <avr@gjlay.de>

	PR target/52741

	Revert r181936 from 2011-12-02 for:
	* config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__)
	* config/avr/avr.md (movhi_sp_r_irq_off, movhi_sp_r_irq_on)
	* config/avr/avr.c (output_movhi, avr_file_start)

2012-03-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/52736
	* config/i386/sse.md (sse2_loadlpd splitter): Use offset 0
	instead of 8 in adjust_address.

2012-03-24  Jan Hubicka  <jh@suse.cz>

	Backport from mainline
	PR regression/52696
	* predict.c (predict_paths_for_bb): Fix typo.

2012-03-24  Jan Hubicka  <jh@suse.cz>

	Backport from mainline
	PR middle-end/51737
	* cgraph.c (cgraph_remove_node_and_inline_clones): Add FORBIDDEN_NODE
	parameter.
	* cgraph.h (cgraph_remove_node_and_inline_clones): Update prototype.
	* ipa-inline-transform.c (save_inline_function_body): Remove copied
	clone if needed.
	* tree-inline.c (delete_unreachable_blocks_update_callgraph): Update.

2012-03-24  Steven Bosscher  <steven@gcc.gnu.org>

	PR middle-end/52640
	* varasm.c: Include pointer-set.h.
	(pending_assemble_externals_set): New pointer set.
	(process_pending_assemble_externals): Destroy the pointer set.
	(assemble_external): See if decl is in pending_assemble_externals_set,
	and add it to pending_assemble_externals if necessary.
	(init_varasm_once): Allocate pending_assemble_externals_set.

2012-03-16  Jan Hubicka  <jh@suse.cz>

	Backport from mainline
	PR middle-end/48600
	* predict.c (predict_paths_for_bb): Prevent looping.
	(predict_paths_leading_to_edge, predict_paths_leading_to): Update.

2012-03-16  Michael Hope  <michael.hope@linaro.org>

	Backport from mainline
	2011-05-05  Michael Hope  <michael.hope@linaro.org>

	PR pch/45979
	* config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for
	__ARM_EABI__ hosts.

2012-03-15  Chung-Lin Tang  <cltang@codesourcery.com>

	Backport from mainline
	2012-03-10  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/52528
	* combine.c (can_combine_p): Add setting of subst_low_luid
	before call to expand_field_assignment().

2012-03-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline
	2011-09-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR Bug middle-end/50232
	* config/pa/pa.md (return): Define "return" insn pattern.
	(epilogue): Use it when no epilogue is needed.
	* config/pa/pa.c (pa_can_use_return_insn): New function.
	* config/pa/pa-protos.h (pa_can_use_return_insn): Declare.

	Backport for mainline
	2012-01-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/51871
	* config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
	stubs.

2012-03-06  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	PR target/50310
	* config/rs6000/vector.md (vector_uneq<mode>): Add support for
	UNEQ, LTGT, ORDERED, and UNORDERED IEEE vector comparisons.
	(vector_ltgt<mode>): Likewise.
	(vector_ordered<mode>): Likewise.
	(vector_unordered<mode>): Likewise.
	* config/rs6000/rs6000.c (rs6000_emit_vector_compare_inner): Likewise.

2012-03-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline
	2012-03-01  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/52408
	* config/pa/pa.md (zvdep_imm32): Change type of variable x from int to
	unsigned HOST_WIDE_INT.
	(zvdep_imm64): Likewise.
	(vdepi_ior): Change type of variable x from int to HOST_WIDE_INT.
	(vdepi_and): Likewise.
	Likewise for unamed 64-bit patterns.
	* config/pa/predicates.md (lhs_lshift_cint_operand): Update comment.

2012-03-03  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/52425
	Backport from mainline
	2011-05-22  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_delegitimize_address): Handle
	UNSPEC_MOVE_PIC pattern.

2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2012-03-02  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/vsx.md (vsx_set_<mode>): Reorder operands.

2012-03-02  Bill Schmidt <wschmidt@linux.vnet.ibm.com>
	    Ira Rosen <irar@il.ibm.com>

	PR tree-optimization/50031
	PR tree-optimization/50969
	* targhooks.c (default_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
	* tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
	all types of reduction and pattern statements.
	(vect_estimate_min_profitable_iters): Likewise.
	* tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
	(vect_model_store_cost): Use vec_perm rather than vector_stmt for
	statement cost.
	(vect_model_load_cost): Likewise.
	(vect_get_load_cost): Likewise; add dump logic for explicit realigns.
	(vectorizable_type_demotion): Call vect_model_promotion_demotion_cost.
	(vectorizable_type_promotion): Likewise.
	* config/spu/spu.c (spu_builtin_vectorization_cost): Handle
	vec_promote_demote.
	* config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
	* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
	vec_perm for VSX and handle vec_promote_demote.

2012-03-01  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.6.4.
	* DEV-PHASE: Set to prerelease.

2012-03-01  Release Manager

	* GCC 4.6.3 released.

2012-02-27  Uros Bizjak  <ubizjak@gmail.com>

	Revert:
	2012-02-02  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2011-11-18  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/51118
	* fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
	before using TREE_TYPE accessor on expr.

2012-02-23  Jakub Jelinek  <jakub@redhat.com>

	Backported from trunk
	2012-02-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/52286
	* fold-const.c (fold_binary_loc): For (X & C1) | C2
	optimization use double_int_to_tree instead of build_int_cst_wide,
	rewrite to use double_int vars.

2012-02-23  Uros Bizjak  <ubizjak@gmail.com>

	PR c/52290
	* c-decl.c (start_function): Exit early if decl1 is not FUNTION_DECL.

2012-02-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/52330
	* config/i386/i386.c (ix86_print_operand) <case 'H'>: Error out if x
	is not offsettable memory reference.

2012-02-21  Richard Earnshaw  <rearnsha@arm.com>

	PR target/52294
	* thumb2.md (thumb2_shiftsi3_short): Split register and
	immediate shifts.  For register shifts tie operands 0 and 1.
	(peephole2 for above): Check that register-controlled shifts
	have suitably tied operands.

2012-02-21  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("fixuns_trunc<mode>si2"): Replace
	TARGET_HARD_FLOAT with TARGET_HARD_DFP.

2012-02-20  Kai Tietz  <ktietz@redhat.com>

	PR target/52238
	* stor-layout.c (place_field): Handle desired_align for
	ms-bitfields, too.

2012-02-20  Kai Tietz  <ktietz@redhat.com>

	PR libstdc++/52300
	* gthr.h (GTHREAD_USE_WEAK): Define as zero for mingw.

2012-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR debug/52260
	* dwarf2out.c (copy_decls_walk): Fill in *slot before traversing
	children with clone_tree_hash, not after it.

2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2012-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/52199
	* config/rs6000/rs6000.c (rs6000_expand_vector_init): Use
	force_reg instead of copy_to_reg for better optimization.  Force
	non-register or memory operands into a register.

2012-02-15  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2012-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46886
	* tree-flow.h (do_while_loop_p): Declare.
	* tree-ssa-loop-ch.c (do_while_loop_p): Export.
	* tree-parloops.c (parallelize_loops): Only parallelize do-while
	loops.

2012-02-15  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/51921
	PR target/52205
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Add support for
	Solaris 11 and slightly reformat.
	(sparc_is_sighandler): Likewise.

2012-02-14  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2012-02-14  Jakub Jelinek  <jakub@redhat.com>

	PR debug/51950
	* dwarf2out.c (clone_tree_hash): New function.
	(copy_decls_walk): Use it instead of clone_tree.

	PR c/52181
	* c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
	newdecl.

	2012-02-13  Jakub Jelinek  <jakub@redhat.com>

	* cselib.c (dump_cselib_val): Don't assume l->setting_insn is
	non-NULL.

	PR middle-end/52230
	* omp-low.c (expand_omp_for): If a static schedule without
	chunk size has NULL region->cont, force fd.chunk_size to be
	integer_zero_node.

	PR bootstrap/51969
	Backported from mainline
	2011-11-08  Michael Matz  <matz@suse.de>

	* gengtype.c (write_field_root): Avoid out-of-scope access of newv.

2012-02-14  Bin Cheng  <bin.cheng@arm.com>

	Backport from mainline.
	2011-06-08  Julian Brown  <julian@codesourcery.com>

	* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
	for double-precision helper functions in hard-float mode if only
	single-precision arithmetic is supported in hardware.

2012-02-11  Uros Bizjak  <ubizjak@gmail.com>

	* compare-elim.c (find_comparisons_in_bb): Eliminate only compares
	having the same mode as previous compare.

2012-02-09  Jack Howarth  <howarth@bromo.med.uc.edu>

	Backported from mainline
	2011-06-27  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49536
	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
	For non-scalar inner types use a scalar type according to
	the scalar inner mode.

2012-02-09  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2012-02-08  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52139
	* cfgrtl.c (cfg_layout_merge_blocks): If BB_END
	is a BARRIER after emit_insn_after_noloc, move BB_END
	to the last non-BARRIER insn before it.

	2012-02-07  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/52060
	* combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
	copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
	before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
	and/or i0src_copy2 when needed.

	PR middle-end/52074
	* expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
	if modifier < EXPAND_SUM call force_operand on the result.

	2012-02-06  Jakub Jelinek  <jakub@redhat.com>

	PR target/52129
	* calls.c (mem_overlaps_already_clobbered_arg_p): If val is
	CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.

	2012-02-02  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48071
	* diagnostic.c (diagnostic_finish): Remove trailing newlines.

	2012-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/52006
	* config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
	arm_general_register_operand predicate for operand 2 instead of
	register_operand.

	2012-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR libmudflap/40778
	* tree-mudflap.c (mf_artificial): New function.
	(execute_mudflap_function_ops, execute_mudflap_function_decls,
	mx_register_decls, mudflap_enqueue_decl): Use it.

	2012-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/51767
	* cfgrtl.c (force_nonfallthru_and_redirect): Force addition
	of jump_block and add an extra edge for degenerated asm gotos.

	PR middle-end/51768
	* stmt.c (check_unique_operand_names): Don't ICE during error
	reporting if i is from labels chain.

	PR middle-end/44777
	* profile.c (branch_prob): Split bbs that have exit edge
	and need a fake entry edge too.

	2012-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR debug/51695
	* dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
	in .debug_loc on the floor.

	2011-12-15  Jakub Jelinek  <jakub@redhat.com>

	PR c/51360
	* c-parser.c (c_parser_omp_clause_num_threads,
	c_parser_omp_clause_schedule): Call mark_exp_read.

	PR debug/51517
	* tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test
	!DECL_IGNORED_P instead of !DECL_ARTIFICIAL.

2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>

	Backport from mainline
	2012-02-09  Peter Bergner  <bergner@vnet.ibm.com>

	PR middle-end/52140
	* dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.

2012-02-09  Andrey Belevantsev  <abel@ispras.ru>

	Backport from mainline
	2012-01-20  Andrey Belevantsev  <abel@ispras.ru>

	PR target/51106
	* function.c (instantiate_virtual_regs_in_insn): Use
	delete_insn_and_edges when removing a wrong asm insn.

2012-02-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/51994
	* expr.c (get_inner_reference): If there is an offset, add a negative
	bit position to it (if any).

2012-02-07  Kai Tietz  <ktietz@redhat.com>
	    Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/40068
	* config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
	Take care that typinfo gets dllexport-attribute.

2012-02-07  Alan Modra  <amodra@gmail.com>

	PR target/52107
	* config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
	subregs of TFmode.

2012-02-02  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2011-11-18  Uros Bizjak  <ubizjak@gmail.com>

	PR tree-optimization/51118
	* fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
	before using TREE_TYPE accessor on expr.

2012-01-12  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline r183796
	PR rtl-optimization/51374
	* combine.c (can_combine_p): Don't allow volatile_refs_p insns
	to cross other volatile_refs_p insns.

2012-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	Backport from mainline.
	2011-01-31  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
	condition.

2012-01-31  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
	to srak instruction.

2012-01-30  Bin Cheng  <bin.cheng@arm.com>

	Backport from mainline.
	2012-01-30  Bin Cheng  <bin.cheng@arm.com>

	PR target/51835
	* config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
	for __aeabi_d2iz/__aeabi_d2uiz with hard-float.

2012-01-30  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline.
	2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/50313
	* config/arm/arm.c (arm_load_pic_register): Use
	gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
	, gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
	(arm_pic_static_addr): Likewise.
	(arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
	(arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
	* config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
	(pic_load_addr_unified): New.

2012-01-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
	bases are dereferenced.

2012-01-24  Richard Guenther  <rguenther@suse.de>

	Forward-port to branch
	2010-09-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45678
	* expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
	op0 isn't sufficiently aligned and there is movmisalignM
	insn for mode, use it to load op0 into a temporary register.

2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>

	* cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.

2012-01-19  Quentin Neill  <quentin.neill@amd.com>

	PR target/48743
	* config/i386/driver-i386.c (host_detect_local_cpu): Also check
	family to distinguish PROCESSOR_ATHLON.

2012-01-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/49642
	* ipa-split.c (forbidden_dominators): New variable.
	(check_forbidden_calls): New function.
	(dominated_by_forbidden): Likewise.
	(consider_split): Check for forbidden dominators.
	(execute_split_functions): Initialize and free forbidden
	dominators info; call check_forbidden_calls.

2012-01-18  David Edelsohn  <dje.gcc@gmail.com>

	* config/rs6000/rs6000.md (call_value_indirect_aix32): Fix typo
	in mode of operand[4].

2012-01-15  Uros Bizjak  <ubizjak@gmail.com>

	PR rtl-optimization/51821
	* recog.c (peep2_find_free_register): Determine clobbered registers
	from insn pattern.

2012-01-12  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline r183129
	PR target/51756
	* config/avr/avr.c (avr_encode_section_info): Test for absence of
	DECL_EXTERNAL when checking for initializers of progmem variables.

22012-01-12  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	Backport from mainline
	2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>

	* config/arm/arm.md (mov_notscc): Use MVN for false condition.

2012-01-12  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
	(x86_shift<mode>_adj_1): Remove operand constraint from operand 3.

2012-01-10  Joseph Myers  <joseph@codesourcery.com>

	Revert:

	2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR rtl-opt/37451
	* loop-doloop.c (doloop_modify): New argument zero_extend_p and
	zero extend count after the correction to it is done.
	(doloop_optimize): Update call to doloop_modify, don't zero extend
	count before call.

	2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>

	PR rtl-opt/37782
	* loop-doloop.c (doloop_modify): Add from_mode argument that says what
	mode count is in.
	(doloop_optimize): Update call to doloop_modify.

2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.

2012-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Check that the
	purported sigacthandler address isn't null before dereferencing it.
	(sparc_is_sighandler): Likewise.

2012-01-09  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline
	2011-11-04  Jiangning Liu  <jiangning.liu@arm.com>

	PR rtl-optimization/38644
	* config/arm/arm.c (thumb1_expand_epilogue): Add memory barrier
	for epilogue having stack adjustment.

2012-01-09  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/41929
	* config/sparc/sol2-unwind.h (sparc64_is_sighandler): Remove SAVPC and
	add CFA.  Revert back to old code for Solaris 8+ multi-threaded.
	(sparc_is_sighandler): Likewise.
	(MD_FALLBACK_FRAME_STATE_FOR): Adjust call to IS_SIGHANDLER.

2012-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2012-01-06  Arnaud Charlet  <charlet@adacore.com>

	* c-decl.c (ext_block): Moved up.
	(collect_all_refs, for_each_global_decl): Take ext_block into account.

2012-01-06  Richard Sandiford  <richard.sandiford@linaro.org>

	PR middle-end/48660
	* expr.h (copy_blkmode_to_reg): Declare.
	* expr.c (copy_blkmode_to_reg): New function.
	(expand_assignment): Don't expand register RESULT_DECLs before
	the lhs.  Use copy_blkmode_to_reg to copy BLKmode values into a
	RESULT_DECL register.
	(expand_expr_real_1): Handle BLKmode decls when looking for promotion.

2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/51315
	* tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
	(build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.

2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/51624
	* tree-sra.c (build_ref_for_model): When replicating a chain of
	COMPONENT_REFs, stop as soon as the offset would become negative.

2012-01-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49651
	* tree-ssa-structalias.c (type_can_have_subvars): New function.
	(var_can_have_subvars): Use it.
	(get_constraint_for_1): Only consider subfields if there can be any.

2012-01-03  Sandra Loosemore  <sandra@codesourcery.com>

	Backport from mainline:
	2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>

	* doc/invoke.texi (-flto and related options): Copy-edit.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-11-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51042
	* tree-ssa-pre.c (phi_translate_1): Avoid recursing on
	self-referential expressions.  Refactor code to avoid duplication.

2012-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/51070
	* tree-loop-distribution.c (generate_builtin): Do not replace
	the loop with a builtin if the partition contains statements which
	results are used outside of the loop.
	(stmt_has_scalar_dependences_outside_loop): Properly handle calls.

2011-12-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from the mainline
	2011-12-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_inner_target_options): Fix thinko
	in setting options via target #pragma or attribute.

2011-12-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2011-12-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/51623
	* config/rs6000/rs6000.c (rs6000_assemble_integer): Don't call
	unlikely_text_section_p.  Instead check for being in a code section.

2011-12-23  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/50396
	* simplify-rtx.c (simplify_binary_operation_1): Properly
	guard code that only works for integers.

2011-12-22  Doug Kwan  <dougkwan@google.com>

	Backport from mainline
	2011-03-23  Julian Brown  <julian@codesourcery.com>

	* expr.c (expand_expr_real_1): Only use BLKmode for volatile
	accesses which are not naturally aligned.

	2011-11-20  Joey Ye  <joey.ye@arm.com>

	* expr.c (expand_expr_real_1): Correctly handle strict volatile
	bitfield loads smaller than mode size.

2011-12-21  Richard Earnshaw  <rearnsha@arm.com>

	PR target/51643
	* arm.c (arm_function_ok_for_sibcall): Use DECL_WEAK in previous
	change.

2011-12-21  Richard Earnshaw  <rearnsha@arm.com>

	PR target/51643
	* arm.c (arm_function_ok_for_sibcall): Don't try to tailcall a
	weak function on bare-metal EABI targets.

2011-12-21  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2011-12-21  Richard Guenther  <rguenther@suse.de>

	PR lto/41159
	* tree-outof-ssa.c (insert_value_copy_on_edge): Use the
	mode of the pseudo as destination mode.  Only assert that
	is equal to the promoted mode of the decl if it is a REG.

2011-12-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/linux-unwind.h: Update copyright years.
	(MD_FROB_UPDATE_CONTEXT): New define.
	(alpha_frob_update_context): New function.

2011-12-19  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/51583
	* tree-sra.c (load_assign_lhs_subreplacements): Call
	force_gimple_operand_gsi when necessary also in case of no
	corresponding replacement on the RHS.

2011-12-16  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
	(frame_blockage): New expander.
	(frame_blockage<P:mode>): New instruction.
	* config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
	instructions establishing the frame isn't atomic, emit frame blockage.

2011-12-15  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline.
	2011-10-28  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/49720
	* simplify-rtx.c (simplify_relational_operation_1): Detect
	infinite recursion condition in "(eq/ne (plus x cst1) cst2)
	simplifies to (eq/ne x (cst2 - cst1))" case.

2011-12-15  Andreas Tobler  <andreast@fgznet.ch>

	Backport from mainline.
	2011-12-15  Andreas Tobler  <andreast@fgznet.ch>

	* config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.

2011-12-13  Eric Botcazou  <ebotcazou@adacore.com>

	* lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
	* lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
	* lto-streamer-in.c (lto_read_body): Likewise.
	(lto_input_toplevel_asms): Likewise.
	* lto-section-in.c (lto_create_simple_input_block): Likewise.
	* lto-opts.c (lto_read_file_options): Likewise.
	* ipa-prop.c (ipa_prop_read_section): Likewise.

	* df.h (DF_NOTE): Fix typo in comment.

2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* regmove.c (fixup_match_2): Only access call_used_regs with hard
	regs.

2011-12-12  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51510
	* calls.c (internal_arg_pointer_based_exp_scan): Don't use
	VEC_safe_grow_cleared if idx is smaller than VEC_length.

	Backported from mainline
	2011-12-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51485
	* tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
	DRs in call stmts.

2011-12-12  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/50569
	* tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
	in the expression of MODEL instead of just the last one.

2011-12-09  Michael Meissner  <meissner@the-meissners.org>

	Backport from mainline
	2011-12-09  Michael Meissner  <meissner@the-meissners.org>

	PR rtl-optimization/51469
	* varasm.c (default_binds_local_p_1): If the symbol is a gnu
	indirect function, mark the symbol as non-local.

2011-12-09  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2011-12-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/51466
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
	TREE_SIDE_EFFECTS.

	2011-11-28  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/50078
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
	TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.

2011-12-09  Kazu Hirata  <kazu@codesourcery.com>

	Backport from mainline:

	2011-12-05  Kazu Hirata  <kazu@codesourcery.com>

	PR target/51408
	* config/arm/arm.md (*minmax_arithsi): Always require the else
	clause in the MINUS case.

2011-12-08  Teresa Johnson  <tejohnson@google.com>

	Backport from mainline:

	2011-08-05  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal_rex64): Use "!o" constraint
	instead of "!m" for operand 0, alternative 4.
	(*movdf_internal_rex64): Ditto for operand 0, alernative 6.

2011-12-08  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2011-12-05  Jakub Jelinek  <jakub@redhat.com>

	PR debug/51410
	* c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
	for debug info if scope is file_scope.

	PR c/51339
	* c-decl.c (c_finish_incomplete_decl, finish_decl): Call
	relayout_decl instead of layout_decl.

	2011-12-05  Jakub Jelinek  <jakub@redhat.com>
		    Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/51323
	PR middle-end/50074
	* calls.c (internal_arg_pointer_exp_state): New variable.
	(internal_arg_pointer_based_exp_1,
	internal_arg_pointer_exp_scan): New functions.
	(internal_arg_pointer_based_exp): New function.
	(mem_overlaps_already_clobbered_arg_p): Use it.
	(expand_call): Free internal_arg_pointer_exp_state.cache vector
	and clear internal_arg_pointer_exp_state.scan_start.

	2011-11-30  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/48721
	* sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
	reg_pending_barrier to TRUE_BARRIER.

	2011-11-26  Joern Rennecke  <joern.rennecke@embecosm.com>

	PR middle-end/50074
	* calls.c (mem_overlaps_already_clobbered_arg_p):
	Return false if no outgoing arguments have been stored so far.

2011-12-08  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/51315
	* tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
	(tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
	MEM_REFs and use get_object_or_type_alignment for them.
	(build_accesses_from_assign): Adjust for above change.
	(access_precludes_ipa_sra_p): Likewise.

2011-12-06  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline:

	2011-12-02  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/50622
	* tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
	if both lacc and racc are grp_partial_lhs.

2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>

	* config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize
	rs6000_current_abi.

2011-12-06  Alan Modra  <amodra@gmail.com>

	PR target/50906
	* config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
	Do not mark r11 setup as frame-related.  Pass correct offset to
	rs6000_emit_savres_rtx.  Correct out-of-line rs6000_frame_related
	arguments.  Correct sp_offset.  Remove "offset" fudge from
	in-line rs6000_frame_related call.  Rename misleading variable.
	Fix comments and whitespace.  Tidy some expressions.
	(rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
	to r11 in out-of-line case.  Correct sp_offset.  Pass correct
	offset to rs6000_emit_savres_rtx.  Rename misleading variable.
	Fix comments and whitespace.  Tidy some expressions.
	(rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
	adjustment when !saving_GPRs_inline.  Correct register mode
	used in address calcs.
	(rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when
	!restoring_GPRs_inline.

2011-12-04  Jérémie Detrey  <Jeremie.Detrey@loria.fr>

	PR target/51393
	* config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
	parameter as long long.

2011-12-02  Georg-Johann Lay  <avr@gjlay.de>

	PR target/51002
	PR target/51345
	* config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
	Enclose parts using __SP_H__ in !defined (__AVR_HAVE_8BIT_SP__).
	Add FIXME comments.
	* config/avr/avr.md (movhi_sp_r_irq_off, movhi_sp_r_irq_on): Set
	insn condition to !AVR_HAVE_8BIT_SP.
	* config/avr/avr.c (output_movhi): "clr%B0" instead of "in
	%B0,__SP_H__" if AVR_HAVE_8BIT_SP.
	(avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
	* config/avr/avr-devices.c (avr_mcu_types): ATtiny4313 and
	AT86RF401 have a 16-bit SP (their manual is bogus).

2011-11-25  Richard Sandiford  <richard.sandiford@linaro.org>

	Backport from mainline:

	2011-03-29  Richard Sandiford  <richard.sandiford@linaro.org>

	PR debug/48190
	* dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
	(cached_dw_loc_list_def): New structure.
	(cached_dw_loc_list): New typedef.
	(cached_dw_loc_list_table): New variable.
	(cached_dw_loc_list_table_hash): New function.
	(cached_dw_loc_list_table_eq): Likewise.
	(add_location_or_const_value_attribute): Take a bool cache_p.
	Cache the list when the parameter is true.
	(gen_formal_parameter_die): Update caller.
	(gen_variable_die): Likewise.
	(dwarf2out_finish): Likewise.
	(dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
	while generating debug info for the decl.
	(dwarf2out_function_decl): Clear cached_dw_loc_list_table.
	(dwarf2out_init): Initialize cached_dw_loc_list_table.
	(resolve_addr): Cache the result of resolving a chain of
	location lists.

2011-11-24  Enkovich Ilya  <ilya.enkovich@intel.com>

	PR target/51287
	* i386.c (distance_non_agu_define): Fix insn attr check.

2011-11-20  Andreas Tobler  <andreast@fgznet.ch>

	* configure: Regenerate.

2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/51187
	* reorg.c (relax_delay_slots): Do not consider a jump useless if there
	is a barrier between the jump and its target label.

2011-11-19  Richard Earnshaw  <rearnsha@arm.com>

	PR target/50493
	* config/arm/arm.c (neon_disambiguate_copy): Correctly handle partial
	overlap of src and dest operands.

2011-11-18  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/49992
	* configure.ac: Remove ranlib special-casing for Darwin.
	* configure: Regenerate.

2011-11-16  Richard Earnshaw  <rearnsha@arm.com>
	    Bernd Schmidt <bernds@coudesourcery.com>
	    Sebastian Huber <sebastian.huber@embedded-brains.de>

	PR target/49641
	* config/arm/arm.c (store_multiple_sequence): Avoid cases where
	the base reg is stored iff compiling for Thumb1.

2011-11-13  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/48108
	Backport from mainline r180523
	* config/darwin.c (top level): Amend comments concerning LTO output.
	(lto_section_num): New variable.  (darwin_lto_section_e): New GTY.
	(LTO_SECTS_SECTION, LTO_INDEX_SECTION): New.
	(LTO_NAMES_SECTION): Rename.
	(darwin_asm_named_section): Record LTO section counts and switches
	in a vec of darwin_lto_section_e.
	(darwin_file_start): Remove unused code.
	(darwin_file_end): Put an LTO section termination label.  Handle
	output of the wrapped LTO sections, index and names table.

2011-11-12  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/45233
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
	Only expand a symbol ref. into an access when the entity is defined
	in the TU.

2011-11-10  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/51077
	* tree-object-size.c (addr_object_size): Check TREE_CODE of
	MEM_REF's operand rather than code of the MEM_REF itself.

2011-11-07  Alan Modra  <amodra@gmail.com>

	PR target/30282
	* config/rs6000/rs6000.c (rs6000_emit_stack_reset): Always emit
	blockage for ABI_V4.

2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR c++/50608
	* c-parser.c (c_parser_postfix_expression) <RID_OFFSETOF>: Adjust call
	to fold_offsetof.
	* c-typeck.c (build_unary_op) <ADDR_EXPR>: Call fold_offsetof_1.

2011-11-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/50979
	* config/sparc/sparc.h (ASM_CPU_SPEC): Pass -Av8 if -mcpu=v8.

2011-11-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (lround<X87MODEF:mode><SWI248x:mode>2,
	rint<mode>2, floor<mode>2, lfloor<MODEF:mode><SWI48:mode>2,
	btrunc<mode>2, lwp_lwpval<mode>3): Use operands[N] instead of operandN.

2011-11-02  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/50945
	* config/sparc/sparc.md (movsf_insn): Reindent constraints.
	(movsf_insn_no_fpu): Likewise.
	(movdf_insn_sp32): Likewise.
	(movdf_insn_sp32_no_fpu): Likewise.
	(movdf_insn_sp32_v9): Likewise.  Remove redundant GY constraint.
	(movdf_insn_sp32_v9_no_fpu): Likewise.
	(movdf_insn_sp64): Likewise.
	(movdf_insn_sp64_no_fpu): Likewise.
	(movtf_insn_sp32): Likewise.
	(movtf_insn_sp32_no_fpu): Likewise.
	(movtf_insn_sp64): Likewise.
	(movtf_insn_sp64_hq): Likewise.
	(movtf_insn_sp64_no_fpu): Likewise.

2011-11-02  Bernd Schmidt  <bernds@codesourcery.com>

	* cfgcleanup.c (try_head_merge_bb): If get_condition returns
	NULL for a jump that is a cc0 insn, pick the previous insn for
	move_before.

2011-11-01  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (splitters for int-float conversion): Use
	SUBREG_REG on SUBREGs in splitter constraints.

2011-11-01  Julian Brown  <julian@codesourcery.com>

	PR rtl-optimization/47918
	* reload1.c (set_initial_label_offsets): Use initial offsets
	for labels on the nonlocal_goto_handler_labels chain.

2011-10-29  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/50691
	* config/pa/pa.c (emit_move_sequence): Legitimize TLS symbol references.
	* config/pa/pa.h (LEGITIMATE_CONSTANT_P): Return false for
	TLS_MODEL_GLOBAL_DYNAMIC and TLS_MODEL_LOCAL_DYNAMIC symbol references.

2011-10-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/50875
	* config/i386/sse.md (*avx_unpcklpd256): Remove extra insn
	constraints.  Change alternative 1 to "x,m,1".

2011-10-26  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.6.3.
	* DEV-PHASE: Set to prerelease.

2011-10-26  Release Manager

	* GCC 4.6.2 released.

2011-10-25  Kai Tietz  <ktietz@redhat.com>

	* config/i386/mingw32.h (SUBTARGET_FRAME_POINTER_REQUIRED):
	Use for 32-bit frame-pointer, if setjmp is used.

2011-10-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/50816
	* dwarf2out.c (dwarf2out_source_line): Emit discriminators only if
	-gdwarf-4 or not -gstrict-dwarf.

2011-10-24  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49824
	Backport from mainline r180385
	* doc/extend.texi (Declaring Attributes of Functions):
	Document OS_main and OS_task attributes.
	(Specifying Attributes of Variables): Move up
	subsection "AVR Variable Attributes" as of alphabetical order.

2011-10-24  Georg-Johann Lay  <avr@gjlay.de>

	PR target/50820
	* doc/invoke.texi (AVR Options): New subsubsection to explain EIND
	handling and indirect jump/calls on devices > 128k.

2011-10-23  Uros Bizjak  <ubizjak@gmail.com>

	PR target/50788
	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
	Remove (match_dup 0).

2011-10-21  Georg-Johann Lay  <avr@gjlay.de>

	PR target/50820
	Backport from Mainline r180299.
	* config/avr/libgcc.S (__EIND__): New define to 0x3C.
	(__tablejump__): Consistently use EIND for indirect jump/call.
	(__tablejump_elpm__): Ditto.

2011-10-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/50106
	Backport from mainline.
	2011-10-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	* config/arm/arm.c (thumb_unexpanded_epilogue): Handle return
	reg size from 1-3.

2011-10-19  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (loc_descriptor): For SUBREG pass SUBREG_REG's mode as
	second argument instead of mode.

	PR target/50350
	Backport from mainline
	2011-09-27  Richard Sandiford  <rdsandiford@googlemail.com>

	PR middle-end/50386
	PR middle-end/50326
	* tree-sra.c (build_ref_for_model): Use the type of the field as
	the type of the COMPONENT_REF.

2011-10-18  Uros Bizjak  <ubizjak@gmail.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	PR target/50737
	* config/alpha/linux-unwind.h (alpha_fallback_frame_state): Set
	fs->signal_frame to 1.

2011-10-14  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-10-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50723
	* ipa-split.c (split_function): Use GSI_CONTINUE_LINKING.

	2011-10-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50712
	* ipa-split.c (split_function): Always re-gimplify parameters
	when they are not gimple vals before passing them.  Properly
	check for type compatibility.

2011-10-13  Eric Botcazou  <ebotcazou@adacore.com>

	* doc/invoke.texi (SPARC options): Document -mfix-at697f.
	* config/sparc/sparc.opt (mfix-at697f): New option.
	* config/sparc/sparc.c (TARGET_MACHINE_DEPENDENT_REORG): Define.
	(sparc_reorg): New function.

2011-10-12  Steve Ellcey  <sje@cup.hp.com>

	PR target/49967
	Backport from Mainline 179472.
	* configure.ac (gcc_cv_ld_static_dynamic): Define for *-*-hpux*.
	(gcc_cv_ld_static_option): Ditto.
	(gcc_cv_ld_dynamic_option): Ditto.
	* configure: Regenerate.

2011-10-12  Paul Koning  <pkoning@gcc.gnu.org>

	PR tree-optimization/50189
	* tree-vrp.c (extract_range_from_assert): Use the type of
	the variable, not the limit.

2011-10-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50700
	* tree-object-size.c (addr_object_size): Simplify and treat
	MEM_REF bases consistently.

2011-10-12  Joseph Myers  <joseph@codesourcery.com>

	PR c/50565
	* convert.c (convert_to_integer): Do not narrow operands of
	pointer subtraction.

2011-10-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/49965
	* config/sparc/sparc.md (mov<I:mode>cc): Do not save comparison code.
	(mov<F:mode>cc): Likewise.

2011-10-11  Nick Clifton  <nickc@redhat.com>

	PR middle-end/49801
	* compare-elim.c (find_comparisons_in_bb): Use df_get_live_in and
	df_get_live_out instead of accessing the bitmaps directly.
	(execute_compare_elim_after_reload): Remove calls to df_set_flags,
	df_live_add_problem and df_analyze.

2011-10-10  Georg-Johann Lay  <avr@gjlay.de>

	PR target/50652
	Backport from Mainline r179737.
	* config/avr/avr-devices.c (avr_mcu_types): Set
	.data_section_start of atmega164a to 0x100.

2011-10-07  Bernd Schmidt  <bernds@codesourcery.com>

	PR target/49049
	* config/arm/arm.md (arm_subsi3_insn): Lose the last alternative.

2011-10-06  Jakub Jelinek  <jakub@redhat.com>

	* tree.h (avoid_folding_inline_builtin): New prototype.
	* builtins.c (avoid_folding_inline_builtin): No longer static.
	* gimple-fold.c (gimple_fold_builtin): Give up if
	avoid_folding_inline_builtin returns true.

	PR tree-optimization/49279
	* tree-ssa-structalias.c (find_func_aliases): Don't handle
	CAST_RESTRICT.

2011-10-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* longlong.h (smul_ppmm, sdiv_qrnnd): Add underscores to the local
	variables.  Fix second operand of DR.  Swap inputs for sdiv_qrnnd.

2011-10-03  Jakub Jelinek  <jakub@redhat.com>
	    Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_typedef): Support printing enum values that
	don't fit in a signed HOST_WIDE_INT.

2011-09-30  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/50571
	* gimple-fold.c (fold_stmt_1) <case GIMPLE_ASM>: If
	input constraints allow mem and not reg, pass true instead of
	false as second argument to maybe_fold_reference.

2011-09-30  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	* tree-ssa-alias.c (call_may_clobber_ref_p_1): Fix
	handling of BUILT_IN_STRNCAT.
	(ref_maybe_used_by_call_p_1): Fix handling of BUILT_IN_STRCAT,
	and BUILT_IN_STRNCAT.

2011-09-29  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	* graphite-scop-detection.c (make_close_phi_nodes_unique):  New
	forward declaration.
	(remove_duplicate_close_phi): Detect and repair creation of
	duplicate close-phis for a containing loop.

2011-09-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50472
	* tree-ssa-ccp.c (fold_const_aggregate_ref): Do not fold
	volatile references.

2011-09-25  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/50413
	* tree-vect-data-refs.c (vect_analyze_data_refs): Fail to vectorize
	a basic block if one of its data-refs can't be analyzed.

2011-09-25  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/50412
	* tree-vect-data-refs.c (vect_analyze_group_access): Fail for
	accesses that require epilogue loop if vectorizing outer loop.

2011-09-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/50464
	* config/i386/sse.md (xop_pcmov_<mode>): Change operand 1 predicate
	to register_operand and operand 2 predicate to nonimmediate_operand.
	(xop_pcmov_<mode>256): Ditto.
	* config/i386/i386.c (ix86_expand_sse_movcc): When generating
	xop_pcmov, force op_true to register.  Also, force op_false to
	register if it doesn't satisfy nonimmediate_operand predicate.

2011-09-19  Alan Modra  <amodra@gmail.com>
	    Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/50341
	* config/rs6000/rs6000.md (call_indirect_aix32): Do not split the
	load of the indirect function's TOC from the call to prevent the
	compiler from moving the load of the new TOC above code that
	references the current function's TOC.
	(call_indirect_aix64): Ditto.
	(call_value_indirect_aix32): Ditto.
	(call_value_indirect_aix64): Ditto.
	(call_indirect_nonlocal_aix32_internal): Ditto.
	(call_indirect_nonlocal_aix32): Ditto.
	(call_indirect_nonlocal_aix64_internal): Ditto.
	(call_indirect_nonlocal_aix64): Ditto.
	(call_value_indirect_nonlocal_aix32_internal): Ditto.
	(call_value_indirect_nonlocal_aix32): Ditto.
	(call_value_indirect_nonlocal_aix64_internal): Ditto.
	(call_value_indirect_nonlocal_aix64): Ditto.

2011-09-19  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/49886
	* ipa-split.c (split_function): Do not change signature if it is
	not possible or there are attribute types.

2011-09-18  Eric Botcazou  <ebotcazou@adacore.com>
	    Iain Sandoe  <developer@sandoe-acoustics.co.uk>

	PR target/50091
	* config/rs6000/rs6000.md (probe_stack): Use explicit operand.
	* config/rs6000/rs6000.c (output_probe_stack_range): Likewise.

2011-09-14  Diego Novillo  <dnovillo@google.com>

	* tree-vect-stmts.c (vect_transform_stmt): Remove unused
	local variable ORIG_SCALAR_STMT.

2011-09-08  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2011-09-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/49911
	* tree-sra.c (analyze_access_subtree): Change type of to-be-replaced
	enumerations to the corresponding plain integer type.

2011-09-08  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49518
	PR tree-optimization/49628
	* tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Skip
	irrelevant data-references.

2011-09-08  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-08-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/50162
	* tree-vect-stmts.c (vectorizable_call): Fix argument lookup.

2011-09-08  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-05  Michael Matz  <matz@suse.de>

	* config/alpha/elf.h (ENDFILE_SPEC): Add Ofast.
	* config/alpha/osf5.h (ENDFILE_SPEC): Add Ofast.
	* config/alpha/netbsd.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/linux.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/sp64-elf.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/sp-elf.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/linux64.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/freebsd.h (ENDFILE_SPEC): Add Ofast.
	* config/sparc/sol2.h (ENDFILE_SPEC): Add Ofast.
	* config/i386/cygwin.h (ENDFILE_SPEC): Add Ofast.
	* config/i386/linux.h (ENDFILE_SPEC): Add Ofast.
	* config/i386/linux64.h (ENDFILE_SPEC): Add Ofast.
	* config/i386/darwin.h (ENDFILE_SPEC): Add Ofast.
	* config/i386/mingw32.h (ENDFILE_SPEC): Add Ofast.
	* config/ia64/linux.h (ENDFILE_SPEC): Add Ofast.
	* config/mips/linux.h (ENDFILE_SPEC): Add Ofast.

2011-09-08  Eric Botcazou  <ebotcazou@adacore.com>
	    Iain Sandoe  <iains@gcc.gnu.org>

	Backport from mainline (restore powerpc-darwin Ada bootstrap).
	* config/rs6000/rs6000.c (compute_save_world_info): Test
	cfun->has_nonlocal_label to determine if the out-of-line save
	world call may be used.

2011-09-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/50310
	* config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Return
	code early if TARGET_AVX.
	(ix86_expand_fp_vcond): Handle LTGT and UNEQ.

2011-09-06  Martin Jambor  <mjambor@suse.cz>

	Revert
	2011-09-02  Martin Jambor  <mjambor@suse.cz>
	PR middle-end/49886
	* ipa-split.c (split_function): Do not skip any arguments if
	can_change_signature is set or there are function type attributes.

2011-09-05  Georg-Johann Lay  <avr@gjlay.de>

	PR target/50289
	Backport from mainline r178528
	* config/avr/avr.c (sequent_regs_live): Don't recognize sequences
	that contain global register variable.

2011-09-02  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/49886
	* ipa-split.c (split_function): Do not skip any arguments if
	can_change_signature is set or there are function type attributes.

2011-09-01  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/50178
	* tree-vect-stmts.c (vectorizable_call): Update the related
	pattern statement before deleting the original call.
	(vect_transform_stmt): Don't expect the related pattern statement
	to match the original statement after transformation.

2011-08-29  Richard Guenther  <rguenther@suse.de>

	PR middle-end/50116
	* varasm.c (decode_addr_const): Handle MEM_REF[&X, OFF].

2011-08-27  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_extract_lo_<mode>): Prevent both
	operands in memory.
	(vec_extract_lo_v16hi): Ditto.
	(*vec_extract_v4sf_mem): Add TARGET_SSE insn constraint.
	* config/i386/i386.c (legitimize_tls_address): Change REG_EQIV
	notes to REG_EQUAL.

2011-08-27  Uros Bizjak  <ubizjak@gmail.com>

	PR target/50202
	* config/i386/sse.md (sse4_2_pcmpestr): Emit NOTE_INSN_DELETED note
	when all outputs are unused.
	(sse4_2_pcmpistr): Ditto.

2011-08-26  Jakub Jelinek  <jakub@redhat.com>

	PR c/50179
	* c-typeck.c (c_process_expr_stmt): Skip over nops and
	call mark_exp_read even if exprv is ADDR_EXPR.

2011-08-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48739
	* tree-ssa.c: Include cfgloop.h.
	(execute_update_addresses_taken): When updating ssa, if in
	loop closed SSA form, call rewrite_into_loop_closed_ssa instead of
	update_ssa.
	* Makefile.in (tree-ssa.o): Depend on $(CFGLOOP_H).

2011-08-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/50092
	* config/i386/i386.c (assign_386_stack_local): Call validize_mem
	on the result before returning it.

2011-08-16  Liang Wang  <lwang1@marvell.com>

	* ggc.h (ggc_alloc_rtvec_sized): Change arguments of
	ggc_alloc_zone_vec_rtvec_def.

2011-08-12  Nick Clifton  <nickc@redhat.com>

	* builtins.c (expand_builtin_memcmp): Do not use cmpstrnsi
	pattern.
	* doc/md.texi (cmpstrn): Note that the comparison stops if both
	fetched bytes are zero.
	(cmpstr): Likewise.
	(cmpmem): Note that the comparison does not stop if both of the
	fetched bytes are zero.

2011-08-11  Kazuhiro Inaoka  <kazuhiro.inaoka.ud@renesas.com>

	* config/rx/rx.md (movsicc): Allow register to register
	transfers.
	(*movsicc): Likewise.
	(*stcc): Restrict this pattern to EQ and NE compares.
	(*stcc_reg): New pattern.  Works for any comparison but only for
	register transfers.

2011-08-10  DJ Delorie  <dj@redhat.com>

	* expr.c (expand_expr_addr_expr_1): Detect a user request for
	a local frame in a naked function, and produce a suitable
	error for that specific case.

2011-08-09  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/49923
	* tree-sra.c (access_precludes_ipa_sra_p): Also check access
	memory alignment.

2011-08-09  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md: Disable extender peepholes at -O3.

2011-08-06  Uros Bizjak  <ubizjak@gmail.com>

	PR target/50001
	* config/alpha/alpha.c (alpha_instantiate_decls): New function.
	(TARGET_INSTANTIATE_DECLS): New define.

2011-08-05  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-08-05  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (processor_alias_table): Add core-avx-i.

	* doc/invoke.texi: Document core-avx-i.

2011-08-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49948
	* gimple.c (walk_stmt_load_store_addr_ops): Walk CONSTRUCTOR elements.

2011-08-02  Uros Bizjak  <ubizjak@gmail.com>

	* doc/md.texi (stack_protect_set): The pattern moves ptr_mode value.
	(stack_protect_test): The pattern compares ptr_mode value.

2011-07-31  Uros Bizjak  <ubizjak@gmail.com>

	PR target/49920
	* config/i386/i386.md (strset): Do not expand strset_singleop
	when %eax or $edi are fixed.
	(*strsetdi_rex_1): Disable when %eax or %edi are fixed.
	(*strsetsi_1): Ditto.
	(*strsethi_1): Ditto.
	(*strsetqi_1): Ditto.
	(*rep_stosdi_rex64): Disable when %eax, %ecx or %edi are fixed.
	(*rep_stossi): Ditto.
	(*rep_stosqi): Ditto.
	(*strlenqi_1): Ditto.
	(cmpstrnsi): Also fail when %ecx is fixed.
	(*cmpstrnqi_nz_1): Disable when %ecx, %esi or %edi are fixed.
	(*cmpstrnqi_1): Ditto.
	(*strmovdi_rex_1): Disable when %esi or %edi are fixed.
	(*strmovsi_1): Ditto.
	(*strmovhi_1): Ditto.
	(*strmovqi_1): Ditto.
	(*rep_movdi_rex64): Disable when %ecx, %esi or %edi are fixed.
	(*rep_movsi): Ditto.
	(*rep_movqi): Ditto.

2011-07-31  Mikael Pettersson  <mikpe@it.uu.se>

	PR target/47908
	* config/m68k/m68k.c (m68k_override_options_after_change): New function.
	Disable instruction scheduling for non-ColdFire targets.
	(TARGET_OVERRIDE_OPTIONS_AFTER_CHANGE): Define.

2011-07-29  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/49897
	PR middle-end/49898
	* omp-low.c (use_pointer_for_field): If disallowing copy-in/out
	in nested parallel and outer is a gimple_reg, mark it as addressable
	and set its bit in task_shared_vars bitmap too.

2011-07-29  Wei Guozhi  <carrot@google.com>

	Backport from mainline
	2011-07-29  Wei Guozhi  <carrot@google.com>

	PR rtl-optimization/49799
	* combine.c (make_compound_operation): Check if the bit field is valid
	before change it to bit field extraction.

2011-07-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/49871
	* dwarf2out.c (size_of_die, value_format, output_die): Use
	DW_FORM_udata instead of DW_FORM_data[48] for
	dw_val_class_unsigned_const DW_AT_data_member_location for DWARF 3.

2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-07-28  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/47364
	* config/i386/i386.md (strlen<mode>): Replace SWI48x with P.

2011-07-28  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	Backport from mainline:
	2011-07-26  Martin Jambor  <mjambor@suse.cz>

	* tree-sra.c (tree_non_mode_aligned_mem_p): Strip conversions and
	return false for invariants.

2011-07-27  Jakub Jelinek  <jakub@redhat.com>

	PR target/49866
	* config/i386/i386.md (*call_pop_1_vzeroupper, *call_pop_1,
	*sibcall_pop_1_vzeroupper, *sibcall_pop_1, *call_1_vzeroupper,
	*call_1, *sibcall_1_vzeroupper, *sibcall_1, *call_1_rex64_vzeroupper,
	*call_1_rex64, *call_1_rex64_ms_sysv_vzeroupper,
	*call_1_rex64_ms_sysv, *sibcall_1_rex64_vzeroupper,
	*sibcall_1_rex64, *call_value_pop_1_vzeroupper,
	*call_value_pop_1, *sibcall_value_pop_1_vzeroupper,
	*sibcall_value_pop_1, *call_value_1_vzeroupper,
	*call_value_1, *sibcall_value_1_vzeroupper,
	*sibcall_value_1, *call_value_1_rex64_vzeroupper,
	*call_value_1_rex64, *call_value_1_rex64_ms_sysv_vzeroupper,
	*call_value_1_rex64_ms_sysv, *sibcall_value_1_rex64_vzeroupper,
	*sibcall_value_1_rex64): Use z constraint instead of s constraint.

	Backport from mainline
	2011-05-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/constraints.md (z): New constraint.

2011-07-25  Andrew Pinski  <apinski@cavium.com>

	PR tree-opt/49671
	* tree-inline.c (remap_gimple_op_r): Copy TREE_THIS_VOLATILE and
	TREE_THIS_NOTRAP into the inner most MEM_REF.
	Always copy TREE_THIS_VOLATILE.
	* tree-sra.c (ptr_parm_has_direct_uses): Check that the lhs, rhs and
	arguments are not volatile references.

2011-07-25  Georg-Johann Lay  <avr@gjlay.de>

	PR target/39386
	Backport from mainline r176756
	2011-07-25  Georg-Johann Lay
	* config/avr/avr.c (out_shift_with_cnt): Use tmp_reg as
	shift counter for x << x and x >> x shifts.

2011-07-22  Uros Bizjak  <ubizjak@gmail.com>

	* config.gcc (x86_64-*-linux*): Set
	default_gnu_indirect_function to yes.

2011-07-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45819
	* tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Properly
	preserve volatile and notrap flags.

2011-07-21  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline
	2011-07-04  Uros Bizjak  <ubizjak@gmail.com>

	PR target/49600
	* config/i386/i386.md (SSE2 int->float split): Push operand 1 in
	general register to memory for !TARGET_INTER_UNIT_MOVES.

2011-07-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_class_max_nregs): Fix return type.
	* config/s390/s390-protos.h (s390_class_max_nregs): Likewise.

2011-07-19  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49768
	* tree-ssa-ccp.c (fold_nonarray_ctor_reference): Return NULL
	if offset is smaller than bitoffset, but offset+size is bigger
	than bitoffset.

2011-07-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/49675
	* tree.c (build_common_builtin_nodes): Register
	__builtin_return_address, __cyg_profile_func_enter
	and __cyg_profile_func_exit.

2011-07-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc: Obsolete i[3456x]86-*-netware*.

2011-07-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/49746
	Revert:
	2010-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa.md: Add ",*" condition to 64-bit add/subtract boolean
	patterns.

2011-07-17  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/49732
	* tree.c (walk_tree_1) <DECL_EXPR>: Do not walk a pointed-to type.

2011-07-16  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/49725
	Backport from mainline
	2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
	a zero minimum index only if it is redundant.

2011-07-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/49723
	* config/pa/pa.md (casesi): Use gen_int_mode instead of GEN_INT.

2011-07-15  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	Backport from mainline:
	2011-07-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (TARGET_ASM_FILE_START): Do not define.
	(asm_file_start): Remove.
	(spu_machine_dependent_reorg): Call compute_bb_for_insn and
	free_bb_for_insn around code that modifies insns before
	restarting df analysis.

2011-07-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2011-07-13  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/49541
	* config/sol2.h (LIB_SPEC): Simplify.
	Move LIB_THREAD_LDFLAGS_SPEC ...
	(LINK_SPEC): ... here.

2011-07-14  James Greenhalgh  <james.greenhalgh@arm.com>

	* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Add __ARM_FEATURE_DSP.

2011-07-14  Andrew Pinski  <pinskia@gmail.com>

	PR tree-opt/49309
	* tree-mudflap.c (mf_xform_derefs_1 <case MEM_REF>):
	Use fold_build2_loc instead of build2.
	Use the correct type for the new tree.

2011-07-14  Georg-Johann Lay  <avr@gjlay.de>

	PR target/49487
	Backport from mainline r176276
	2011-07-14  Georg-Johann Lay
	* config/avr/avr.md (rotl<mode>3): Generate SCRATCH instead
	of REG.
	(*rotw<mode>): Use const_int_operand for operand2.
	Use match_scatch for operand3.
	(*rotb<mode>): Ditto
	* config/avr/avr.c (avr_rotate_bytes): Treat SCRATCH.

2011-07-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49651
	* tree-ssa-structalias.c (get_constraint_for_1): Properly
	handle dereferences with subvariables.

2011-07-11  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/49094
	* tree-sra.c (tree_non_mode_aligned_mem_p): New function.
	(build_accesses_from_assign): Use it.

2011-07-11  Georg-Johann Lay  <avr@gjlay.de>

	PR target/39633
	Backport from mainline r176141
	2011-07-11  Georg-Johann Lay
	* config/avr/avr.c (notice_update_cc): For ashiftrt:QI, only
	offsets 1..5 set cc0 in a usable way.

2011-07-08  Jakub Jelinek  <jakub@redhat.com>

	PR target/49621
	* config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Use
	CONST0_RTX (dest_mode) instead of const0_rtx as second operand
	of NE.
	* config/rs6000/vector.md (vector_select_<mode>,
	vector_select_<mode>_uns): Change second operand of NE to
	CONST0_RTX (<MODE>mode) instead of const0_rtx.
	* config/rs6000/altivec.md (*altivec_vsel<mode>,
	*altivec_vsel<mode>_uns): Expect second operand of NE to be
	zero_constant of the corresponding vector mode.
	* config/rs6000/vsx.md (*vsx_xxsel<mode>, *vsx_xxsel<mode>_uns):
	Likewise.

2011-07-08  Georg-Johann Lay  <avr@gjlay.de>

	PR target/46779
	Backport from mainline SVN 176053.
	2011-07-08  Georg-Johann Lay  <avr@gjlay.de>
	* config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
	In particular, allow 8-bit values in r28 and r29.
	(avr_hard_regno_scratch_ok): Disallow any register that might be
	part of the frame pointer.
	(avr_hard_regno_rename_ok): Same.
	(avr_legitimate_address_p): Don't allow SUBREGs.

2011-07-07  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/49660
	* config/sparc/sol2.h [TARGET_64BIT_DEFAULT] (TARGET_DEFAULT): Add
	MASK_V8PLUS, remove commented out flag and reorder.

	Backport from mainline
	2011-06-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sparc/sol2-64.h (TARGET_DEFAULT): Remove.
	(TARGET_64BIT_DEFAULT): Define.
	* config.gcc (sparc*-*-solaris2*): Move sparc/sol2-64.h to front
	of tm_file.
	* config/sparc/sol2.h [TARGET_64BIT_DEFAULT] (TARGET_DEFAULT): Define.

2011-07-07  Jakub Jelinek  <jakub@redhat.com>

	PR c/49644
	* c-typeck.c (build_binary_op): For MULT_EXPR and TRUNC_DIV_EXPR with
	one non-complex and one complex argument, call c_save_expr on both
	operands.

	PR debug/49522
	* df-problems.c (dead_debug_reset): Remove dead_debug_uses
	referencing debug insns that have been reset.
	(dead_debug_insert_before): Don't assert reg is non-NULL,
	instead return immediately if it is NULL.

	PR middle-end/49640
	* gimplify.c (gimplify_compound_lval): For last 2 ARRAY_*REF
	operands and last COMPONENT_REF operand call gimplify_expr on it
	if non-NULL.

2011-07-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline.
	2011-06-24  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/49335
	* config/arm/predicates.md (add_operator): New.
	* config/arm/arm.md ("*arith_shiftsi"): Fix for SP reg usage
	in Thumb2.

2011-07-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49618
	* tree-eh.c (tree_could_trap_p) <case FUNCTION_DECL, case VAR_DECL>:
	For DECL_WEAK decls return true.

2011-07-04  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/49619
	* combine.c (combine_simplify_rtx): In PLUS -> IOR simplification
	pass VOIDmode as op0_mode to recursive call.

	PR rtl-optimization/49472
	* simplify-rtx.c (simplify_unary_operation_1) <case NEG>: When
	negating MULT, negate the second operand instead of first.
	(simplify_binary_operation_1) <case MULT>: If one operand is
	a NEG and the other is MULT, don't attempt to optimize by
	negation of the MULT operand if it only moves the NEG operation
	around.

	Backported from mainline
	2011-06-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/49262
	* dwarf2out.c (native_encode_initializer): Decrement count in each
	iteration.

2011-07-04  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline
	2011-07-04  Georg-Johann Lay  <avr@gjlay.de>

	PR target/44643
	* config/avr/avr.c (avr_insert_attributes): Use TYPE_READONLY
	instead of TREE_READONLY.

2011-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49615
	* tree-cfgcleanup.c (split_bbs_on_noreturn_calls): Fix
	basic-block index check.

2011-06-30  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/49572
	* tree-ssa-dom.c (initialize_hash_element) <GIMPLE_SINGLE_RHS>: Use the
	type of the RHS instead of that of the LHS for the expression type.

2011-06-30  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline
	PR target/34734
	(avr_section_type_flags): For data in ".progmem.data", remove
	section flag SECTION_WRITE.

2011-06-30  Georg-Johann Lay  <avr@gjlay.de>

	Backport from mainline
	PR target/34734
	* config/avr/avr.c (avr_handle_progmem_attribute): Move warning
	about uninitialized data attributed 'progmem' from here...
	(avr_encode_section_info): ...to this new function.
	(TARGET_ENCODE_SECTION_INFO): New define.

2011-06-29  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline
	2011-06-29  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.opt (mprefer-avx128): Redefine the flag as a Mask
	option.
	* config/i386/i386.h (ix86_tune_indices): Add X86_TUNE_AVX128_OPTIMAL
	entry.
	(TARGET_AVX128_OPTIMAL): New definition.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	X86_TUNE_AVX128_OPTIMAL entry.
	(ix86_option_override_internal): Enable the generation
	of the 128-bit instructions when TARGET_AVX128_OPTIMAL is set.
	(ix86_preferred_simd_mode): Use TARGET_PREFER_AVX128.
	(ix86_autovectorize_vector_sizes): Use TARGET_PREFER_AVX128.

2011-06-29  Harsha Jagasia <harsha.jagasia@amd.com>

	Backport from mainline
	2011-05-31  Alexandre Oliva  <aoliva@redhat.com>

	* config/i386/i386.c (ix86_rtx_costs): Drop NEG from sub for FMA.
	* config/i386/sse.md: Add n to negated FMA pattern names.

2011-06-29  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/49539
	* tree-ssa-forwprop.c (can_propagate_from): Check for abnormal SSA
	names by means of stmt_references_abnormal_ssa_name.
	(associate_plusminus): Call can_propagate_from before propagating
	from definition statements.

2011-06-29  Martin Jambor  <mjambor@suse.cz>

	Backport from mainline
	2011-06-24  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimizations/49516
	* tree-sra.c (sra_modify_assign): Choose the safe path for
	aggregate copies if we also did scalar replacements.

2011-06-28  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline
	2011-06-20  Changpeng Fang  <changpeng.fang@amd.com>

	PR target/49089
	* config/i386/i386.c (avx256_split_unaligned_load): New definition.
	(avx256_split_unaligned_store): New definition.
	(ix86_option_override_internal): Enable avx256 unaligned load/store
	splitting only when avx256_split_unaligned_load/store is set.

2011-06-28  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline
	2011-03-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (flag_opts): Fix a typo in
	-mavx256-split-unaligned-store.

2011-06-28  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline
	2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*avx_mov<mode>_internal): Don't assert
	unaligned 256bit load/store.
	(*avx_movu<ssemodesuffix><avxmodesuffix>): Likewise.
	(*avx_movdqu<avxmodesuffix>): Likewise.

2011-06-28  Changpeng Fang  <changpeng.fang@amd.com>

	Backport from mainline
	2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
	and -mavx256-split-unaligned-store.
	(ix86_option_override_internal): Split 32-byte AVX unaligned
	load/store by default.
	(ix86_avx256_split_vector_move_misalign): New.
	(ix86_expand_vector_move_misalign): Use it.

	* config/i386/i386.opt: Add -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

	* config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
	256bit load/store.  Generate unaligned store on misaligned memory
	operand.
	(*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
	256bit load/store.
	(*avx_movdqu<avxmodesuffix>): Likewise.

	* doc/invoke.texi: Document -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

2011-06-28  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-dom.c (initialize_hash_element): Fix oversight.

2011-06-28  Andrey Belevantsev  <abel@ispras.ru>

	Backport from mainline
	2011-05-25  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/49014
	* config/i386/athlon.md (athlon_ssecomi): Change type to ssecomi.

2011-06-28  Alexander Monakov  <amonakov@ispras.ru>

	Backport from mainline
	2011-04-08  Alexander Monakov  <amonakov@ispras.ru>

	PR target/48273
	* cfgloop.h (loop_has_exit_edges): New helper.
	* sel-sched-ir.c (init_global_and_expr_for_insn): Make CALLs
	non-clonable.
	* sel-sched.c (sel_setup_region_sched_flags): Don't pipeline loops
	that have no exit edges.

2011-06-28  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47997
	* config/darwin.c (darwin_mergeable_string_section): Place string
	constants in '.cstring' rather than '.const' when CF/NSStrings are
	active.

2011-06-27  Eric Botcazou  <ebotcazou@adacore.com>

	* reorg.c (fill_simple_delay_slots): Use stop_search_p to stop the
	forward scan as well.

2011-06-27  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.6.2.
	* DEV-PHASE: Set to prerelease.

2011-06-27  Release Manager

	* GCC 4.6.1 released.

2011-06-21  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New func.
	(TARGET_CANNOT_FORCE_CONST_MEM): Update definition.

2011-06-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline.
	2011-06-13  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/48454
	* config/arm/neon.md (vec_pack_trunc): Set the lengths
	correctly for the case with Quad vectors.

2011-06-20  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (create_TOC_reference): Wrap high part
	of toc-relative address in CONST.
	(rs6000_delegitimize_address): Recognize changed address.
	(rs6000_legitimize_reload_address): Likewise.
	(rs6000_emit_move): Don't force these constants to memory.
	* config/rs6000/rs6000.md (tls_gd, tls_gd_high): Wrap high part of
	toc-relative address in CONST.
	(tls_ld, tls_ld_high, tls_got_dtprel, tls_got_dtprel_high): Likewise.
	(tls_got_tprel, tls_got_tprel_high, largetoc_high): Likewise.

2011-06-18  Jakub Jelinek  <jakub@redhat.com>

	PR target/49411
	* config/i386/i386.c (ix86_expand_multi_arg_builtins): If
	last_arg_constant and last argument doesn't match its predicate,
	for xop_vpermil2<mode>3 error out and for xop_rotl<mode>3
	if it is CONST_INT, mask it, otherwise expand using rotl<mode>3.
	(ix86_expand_sse_pcmpestr, ix86_expand_sse_pcmpistr): Fix
	spelling of error message.
	* config/i386/sse.md (sse4a_extrqi, sse4a_insertqi,
	vcvtps2ph, *vcvtps2ph, *vcvtps2ph_store, vcvtps2ph256): Use
	const_0_to_255_operand instead of const_int_operand.

2011-06-17  Richard Henderson  <rth@redhat.com>

	Backport from mainline
	2011-03-22  Richard Henderson  <rth@redhat.com>

	* dwarf2out.c (dwarf2out_frame_debug_expr) [rule 11]: Handle post_dec.

2011-06-17  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49115
	* tree-ssa-alias.c (stmt_kills_ref_p_1): If the assignment
	is not necessarily carried out, do not claim it kills the ref.
	* tree-ssa-dce.c (mark_aliased_reaching_defs_necessary_1): Likewise.

2011-06-17  Hans-Peter Nilsson  <hp@axis.com>

	Backport from mainline
	2011-06-17  Hans-Peter Nilsson  <hp@axis.com>

	PR rtl-optimization/48542
	* reload.c (find_equiv_reg): Stop looking when finding a
	setjmp-type call.
	* reload1.c (reload_as_needed): Invalidate all reload
	registers when crossing a setjmp-type call.

2011-06-16  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport form main line
	2011-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/49307
	* config/sh/sh.md (UNSPEC_CHKADD): New.
	(chk_guard_add): New define_insn_and_split.
	(symGOT_load): Use chk_guard_add instead of blockage.

2011-06-16  Martin Jambor  <mjambor@suse.cz>

	Backported from mainline
	2011-06-15  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/48613
	* ipa-prop.c (ipa_prop_write_jump_functions): Return immediately if
	ipa_node_params_vector is NULL.

2011-06-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49419
	* tree-vrp.c (execute_vrp): Call init_range_assertions
	before estimate_numbers_of_iterations, call
	free_number_of_iterations_estimates before calling
	remove_range_assertions.

	Backported from mainline
	2011-06-13  Edmar Wienskoski  <edmar@freescale.com>

	PR target/44618
	* config/rs6000/rs6000.md (save_gpregs_<mode>): Replaced pattern
	with a set of similar patterns, where the MATCH_OPERAND for the
	function argument is replaced with individual references to hardware
	registers.
	(save_fpregs_<mode>): Ditto
	(restore_gpregs_<mode>): Ditto
	(return_and_restore_gpregs_<mode>): Ditto
	(return_and_restore_fpregs_<mode>): Ditto
	(return_and_restore_fpregs_aix_<mode>): Ditto

2011-06-14  Richard Henderson  <rth@redhat.com>

	PR debug/48459
	* dwarf2out.c (frame_pointer_fb_offset_valid): New.
	(based_loc_descr): Assert it's true.
	(compute_frame_pointer_to_fb_displacement): Set it,
	rather than aborting immediately.

2011-06-14  Richard Henderson  <rth@redhat.com>

	Backport from mainline
	2011-03-22  Richard Henderson  <rth@redhat.com>

	* config/avr/avr.c (TARGET_EXCEPT_UNWIND_INFO): New.
	(avr_incoming_return_addr_rtx): New.
	(emit_push_byte): New.
	(expand_prologue): Use it.  Remove incorrect dwarf annotation for
	SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
	annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
	(emit_pop_byte): New.
	(expand_epilogue): Use it.  Pop frame pointer by bytes.
	* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
	(INCOMING_RETURN_ADDR_RTX): New.
	(INCOMING_FRAME_SP_OFFSET): New.
	(ARG_POINTER_CFA_OFFSET): New.
	* config/avr/avr.md (*pushqi): Fix mode of auto-inc.
	(*pushhi, *pushsi, *pushsf, popqi): Likewise.
	(pophi): Remove.

2011-06-14  Jakub Jelinek  <jakub@redhat.com>

	PR fortran/49103
	* tree.h (DECL_NONSHAREABLE): Define.
	(struct tree_decl_common): Change decl_common_unused to
	decl_nonshareable_flag.
	* cfgexpand.c (expand_used_vars_for_block, clear_tree_used):
	Ignore vars with DECL_NONSHAREABLE bit set.
	* tree-cfg.c (gimple_duplicate_bb): Set DECL_NONSHAREABLE
	on stores to automatic aggregate vars.

	PR rtl-optimization/49390
	Revert:
	2010-06-29  Bernd Schmidt  <bernds@codesourcery.com>

	* cse.c (exp_equiv_p): For MEMs, if for_gcse, only compare
	MEM_ALIAS_SET.

2011-06-11  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (vec_dupv4sf): Correct mode of forced register.
	(*vec_dupv2df): Rename from vec_dupv2df.
	(vec_dupv2df): New expander.

2011-06-09  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.md (return_internal): Adjust 'length' attribute.

2011-06-08  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-06-08  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/driver-i386.c (host_detect_local_cpu): Support
	unknown Intel family 0x6 CPUs.

2011-06-08  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline
	2011-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/49238
	* config/sh/sh.c (expand_cbranchdi4): Use a scratch register if
	needed when original operands are used for msw_skip comparison.

2011-06-07  Jakub Jelinek  <jakub@redhat.com>

	PR gcov-profile/49299
	* value-prof.c (gimple_ic): Don't assume icall has a fallthru edge.

2011-06-06  Pat Haugen <pthaugen@us.ibm.com>

	Backport from mainline
	2011-05-31  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Remove vr0..vr2 from
	NON_FLOAT_REGS.

2011-06-06  Jakub Jelinek  <jakub@redhat.com>

	PR c++/49264
	* gimple-fold.c (fold_stmt_1): Don't try to fold *& on the lhs
	if stmt folded into nothing.
	* tree-inline.c (fold_marked_statements): If a builtin at the
	end of a bb folded into nothing, just update cgraph edges
	and move to next bb.
	* cgraph.c (cgraph_update_edges_for_call_stmt_node): Allow new_stmt
	to be NULL.  Don't compute count and frequency if new_call is NULL.

2011-06-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* longlong.h (smul_ppmm): The resulting register pair contains the
	higher order word first.

2011-06-06  Mikael Pettersson  <mikpe@it.uu.se>

	PR tree-optimization/49243
	* calls.c (setjmp_call_p): Also check if fndecl has the
	returns_twice attribute.

2011-06-06  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48702
	* tree-ssa-address.c (create_mem_ref_raw): Create MEM_REFs
	only when we know the base address is within bounds.
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Do not
	assume the base address of TARGET_MEM_REFs is in bounds.
	(indirect_refs_may_alias_p): Fix TARGET_MEM_REF without index tests.

	Backport from mainline
	2011-05-31  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/49235
	* tree-ssa-address.c (gen_addr_rtx): Ignore base if it is const0_rtx.
	(create_mem_ref_raw): Create MEM_REF even if base is INTEGER_CST.

2011-06-05  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (output_return): Fix thinko in the output of an
	EH return when delayed branches are disabled.

2011-06-05  Kaz Kojima  <kkojima@gcc.gnu.org>

	Backport from mainline
	2011-05-30  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR target/49186
	* config/sh/sh.c (expand_cbranchdi4): Set msw_skip when the high
	part of the second operand is 0.

2011-06-04  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47590
	* target.def (delay_sched2, delay_vartrack): New.
	* doc/tm.texi.in: Update.
	* doc/tm.texi: Rebuild.
	* sched-rgn.c (gate_handle_sched2): Fail if delay_sched2.
	* var-tracking.c (gate_handle_var_tracking): Likewise.
	* config/bfin/bfin.c (bfin_flag_schedule_insns2): Drop.
	(bfin_flag_var_tracking): Drop.
	(output_file_start): Don't save and override flag_var_tracking.
	(bfin_option_override): Ditto flag_schedule_insns_after_reload.
	(bfin_reorg): Test original variables.
	(TARGET_DELAY_SCHED2, TARGET_DELAY_VARTRACK): Define.
	* config/ia64/ia64.c (ia64_flag_schedule_insns2): Drop.
	(ia64_flag_var_tracking): Drop.
	(TARGET_DELAY_SCHED2, TARGET_DELAY_VARTRACK): Define.
	(ia64_file_start): Don't save and override flag_var_tracking.
	(ia64_override_options_after_change): Ditto
	flag_schedule_insns_after_reload.
	(ia64_reorg): Test original variables.
	* config/picochip/picochip.c (picochip_flag_schedule_insns2): Drop.
	(picochip_flag_var_tracking): Drop.
	(TARGET_DELAY_SCHED2, TARGET_DELAY_VARTRACK): Define.
	(picochip_option_override): Don't save and override
	flag_schedule_insns_after_reload.
	(picochip_asm_file_start): Ditto flag_var_tracking.
	(picochip_reorg): Test original variables.
	* config/spu/spu.c (spu_flag_var_tracking): Drop.
	(TARGET_DELAY_VARTRACK): Define.
	(spu_var_tracking): New.
	(spu_machine_dependent_reorg): Call it.
	(asm_file_start): Don't save and override flag_var_tracking.

2011-06-04  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/49038
	* tree-vect-loop-manip.c (vect_generate_tmps_on_preheader):
	Ensure at least one epilogue iteration if required by data
	accesses with gaps.
	* tree-vectorizer.h (struct _loop_vec_info): Add new field
	to mark loops that require peeling for gaps.
	* tree-vect-loop.c (new_loop_vec_info): Initialize new field.
	(vect_get_known_peeling_cost): Take peeling for gaps into
	account.
	(vect_transform_loop): Generate epilogue if required by data
	access with gaps.
	* tree-vect-data-refs.c (vect_analyze_group_access): Mark the
	loop as requiring an epilogue if there are gaps in the end of
	the strided group.

2011-06-02  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/49093
	* tree-vect-data-refs.c (vect_analyze_data_refs): Fail for volatile
	data references.

2011-05-19  Quentin Neill  <quentin.neill@amd.com>

	* config/i386/sse.md (fma4_fmsubadd): Use <ssemodesuffix>.
	(fma4_fmaddsub): Likewise

2011-05-31  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-19  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48985
	* tree-object-size.c (addr_object_size): If the pointed-to
	variable is a decl use DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT.

2011-05-31  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48953
	* tree-inline.c (remap_gimple_op_r): Also remap types of MEM_REFs.

2011-05-30  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49218
	* tree-vrp.c (adjust_range_with_scev): Properly check whether
	overflow occured.

2011-05-30  Georg-Johann Lay  <avr@gjlay.de>

	PR target/45263
	* config/avr/libgcc.S (__do_global_ctors, __do_global_dtors):
	Don't use r20 around calls of __tablejump_elpm__

2011-05-29  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/43700
	* config/mips/mips.c (mips_cfun_call_saved_reg_p): Handle global
	registers.

2011-05-29  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/43995
	* config/mips/mips.c (mips_pic_call_symbol_from_set): Add a
	recurse_p argument.  Only follow register copies if it is set,
	and prevent mips_find_pic_call_symbol from recursing.
	(mips_find_pic_call_symbol): Add a recurse_p argument.
	Pass it to mips_pic_call_symbol_from_set.
	(mips_annotate_pic_calls): Update accordingly.

2011-05-29  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49217
	* ipa-pure-const.c (propagate_pure_const): Fix typos.

2011-05-26  Pat Haugen <pthaugen@us.ibm.com>

	* config/rs6000/rs6000.c (rs6000_register_move_cost): Make LR/CTR
	moves expensive on Power7 also.

2011-05-26  Georg-Johann Lay  <avr@gjlay.de>

	PR target/44643
	* config/avr/avr.c (avr_insert_attributes): Leave TREE_READONLY
	alone. Error if non-const data has attribute progmem.

2011-05-26  Jakub Jelinek  <jakub@redhat.com>

	PR c++/49165
	* gimplify.c (shortcut_cond_r): Don't special case
	COND_EXPRs if they have void type on one of their arms.

	PR tree-optimization/49161
	* tree-vrp.c (struct case_info): New type.
	(compare_case_labels): Sort case_info structs instead of
	trees, and not primarily by CASE_LABEL uids but by
	label_for_block indexes.
	(find_switch_asserts): Put case labels into struct case_info
	array instead of TREE_VEC, adjust sorting, compare label_for_block
	values instead of CASE_LABELs.

2011-05-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/49128
	* config/i386/driver-i386.c (host_detect_local_cpu): Fix a typo.

2011-05-18  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/44897
	* ipa-inline.c (cgraph_decide_recursive_inlining): Do not divide
	by zero for insane profiles.

2011-05-24  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (sparc_option_override): If not set by the user,
	force flag_ira_share_save_slots to 0.

2011-05-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/49133
	* config/i386/sse.md (sse2_loadhpd): Remove shufpd alternative.

2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-05-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/49128
	* config/i386/driver-i386.c (host_detect_local_cpu): Always
	add -mno-XXX.  Handle FMA.

2011-05-23  Jakub Jelinek  <jakub@redhat.com>

	PR lto/49123
	* fold-const.c (constant_boolean_node): If type is non-NULL,
	use build_int_cst_type instead of build_int_cst.

	PR debug/49032
	* dbxout.c: Include cgraph.h.
	(dbxout_expand_expr): If a VAR_DECL is TREE_STATIC, not written
	and without value expr, return NULL if no varpool node exists for
	it or if it is not needed.
	* Makefile.in (dbxout.o): Depend on $(CGRAPH_H).

	PR c/49120
	* c-decl.c (start_decl): Convert expr to void_type_node.

	PR middle-end/48973
	* expr.c (expand_expr_real_2) <case LT_EXPR>: If do_store_flag
	failed and the comparison has a single bit signed type, use
	constm1_rtx instead of const1_rtx for true value.
	(do_store_flag): If ops->type is single bit signed type, disable
	signel bit test optimization and pass -1 instead of 1 as last
	parameter to emit_store_flag_force.

2011-05-22  Eric Botcazou  <ebotcazou@adacore.com>

	* config.gcc (sparc-*-elf*): Add sparc/t-crtin.
	(sparc-*-rtems*): Likewise.
	(sparc64-*-elf*): Likewise.
	(sparc64-*-rtems*): Likewise.
	(sparc*-*-solaris2*): Likewise.  Remove crti.o crtn.o extra parts.
	* config/sparc/t-crtin: New file.
	* config/sparc/t-sol2 (crti.o): Delete rule.
	(crtn.o): Likewise.
	* config/sparc/t-linux64 (EXTRA_MULTILIB_PARTS): Delete.
	* config/sparc/t-sol2-64 (EXTRA_MULTILIB_PARTS): Likewise.
	* config/sparc/sp64-elf.h (STARTFILE_SPEC): Tidy and add crti.o.
	(ENDFILE_SPEC): Add crtn.o.

2011-05-22  Uros Bizjak  <ubizjak@gmail.com>

	PR target/49104
	* config/i386/cpuid.h (bit_MMXEXT): New define.

2011-05-22  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/49029
	* expmed.c (extract_fixed_bit_field): Test whether target can be used
	only after deciding which mode to use.

2011-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.md (setjmp): Handle PIC mode and use the hard
	frame pointer.

2011-05-21  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c (eligible_for_return_delay): Do not return
	false if there are call-saved registers here...
	(sparc_can_use_return_insn_p): ...but here instead.
	(save_or_restore_regs): Fix thinko.
	(sparc_expand_prologue): Use current_function_is_leaf.
	(sparc_frame_pointer_required): Likewise.

2011-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/49086
	* gimple-fold.c (and_comparisons_1, or_comparisons_1): Return NULL
	for PHI args that are SSA_NAME_IS_DEFAULT_DEF.

2011-05-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49079
	* tree-dfa.c (get_ref_base_and_extent): Handle view-converting
	MEM_REFs correctly for the trailing array access detection.
	Special case constants the same way as decls for overall size
	constraining.

2011-05-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49073
	* gimple-fold.c (and_comparisons_1, or_comparisons_1): Return
	NULL if PHI argument is SSA_NAME, whose def_stmt is dominated
	by the PHI.
	* tree-ssa-ifcombine.c (tree_ssa_ifcombine): Calculate dominators.

2011-05-19  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.c (option_override_internal): Enable TARGET_CMOVE
	when TARGET_RDRND is active.
	(ix86_expand_builtin) <case IX86_BUILTIN_RDRAND{16,32,64}_STEP>:
	Generate dummy SImode target register when target is NULL.

2011-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-05-18  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/49002
	* config/i386/sse.md (avx_<avxmodesuffixp><avxmodesuffix>_<avxmodesuffixp>):
	Properly handle load cast.

2011-05-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49039
	* tree-vrp.c (extract_range_from_binary_expr): For
	MIN_EXPR <~[a, b], ~[c, d]> and MAX_EXPR <~[a, b], ~[c, d]>
	return ~[MAX_EXPR <a, c>, MIN_EXPR <b, d>].

2011-05-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/49018
	* gimple.c (gimple_has_side_effects): Volatile asms have side-effects.
	* tree-ssa-ifcombine.c (bb_no_side_effects_p): Use
	gimple_has_side_effects.

2011-05-18  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-04-19  Richard Guenther  <rguenther@suse.de>

	PR lto/48207
	* tree.c (free_lang_data): Do not reset the decl-assembler-name
	langhook.

	2011-04-21  Richard Guenther  <rguenther@suse.de>

	PR lto/48703
	* tree.c (free_lang_data_in_decl): Do not zero TREE_TYPE of
	DECL_NAME.

2011-05-18  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-12  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48172
	* tree-vect-loop-manip.c (vect_vfa_segment_size): Do not exclude
	the number of iterations from the segment size calculation.
	(vect_create_cond_for_alias_checks): Adjust.

	2011-05-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48172
	* tree-vect-loop-manip.c (vect_vfa_segment_size): Avoid
	multiplying by number of iterations for equal step.
	(vect_create_cond_for_alias_checks): Likewise.

2011-05-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/49000
	* tree-ssa.c (execute_update_addresses_taken): Call
	maybe_rewrite_mem_ref_base on debug stmt value.  If it couldn't
	be rewritten and decl has been marked for renaming, reset
	the debug stmt.

2011-05-17  Nick Clifton  <nickc@redhat.com>

	Import these patches from the mainline:

	2011-05-17  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_memory_move_cost): Include cost of register moves.

	* config/rx/rx.md: Add peephole to remove redundant extensions
	after loads.
	(bitset_in_memory): Use rx_restricted_mem_operand.
	(bitinvert_in_memory): Likewise.
	(bitclr_in_memory): Likewise.

	2011-05-17  Kazuhio Inaoka  <kazuhiro.inaoka.ud@renesas.com>
		    Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md: Add peepholes to match a register move followed
	by a comparison of the moved register.  Replace these with an
	addition of zero that does both actions in one instruction.

2011-05-17  Jakub Jelinek  <jakub@redhat.com>

	PR target/48986
	* config/i386/sync.md (sync_old_add<mode>): Relax operand 2
	predicate to allow CONST_INT.

2011-05-16  Joseph Myers  <joseph@codesourcery.com>

	PR preprocessor/48677
	* cppspec.c (lang_specific_driver): Set new_decoded_options[0]
	from decoded_options[0], not from itself.

2011-05-16  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movxf_internal): Disable CONST_DOUBLE
	optimization for CM_MEDIUM and CM_LARGE code models.  Fix usage
	of standard_80387_constant_p.
	(*movxf_internal_nointeger): Ditto.
	(*movdf_internal): Remove dead code-size optimization.
	(*movdf_internal_rex64): Fix usage of standard_80387_constant_p.
	(*movdf_internal_nointeger): Ditto.
	(*movsf_internal): Ditto.
	(floating point move splitters): Ditto.
	* config/i386/constraints.md (G): Ditto.
	* config/i386/i386.c (ix86_preferred_reload_class): Ditto.

2011-05-12  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48975
	* tree-if-conv.c (combine_blocks): Call free_bb_predicate
	on all bbs here and free and clear ifc_bbs at the end.

2011-05-12  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-05-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48822
	* tree-ssa-sccvn.c (set_ssa_val_to): Never go up the lattice.
	(process_scc): Indicate which iteration we start.

2011-05-12  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48967
	* var-tracking.c (use_narrower_mode_test) <case REG>: Return 1
	if validate_subreg fails.

2011-05-12  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (HAVE_PRE_DECREMENT): Fix typo.
	* config/rx/rx.c (rx_is_legitimate_constant): Use gcc_unreachable
	instead of abort.
	(rx_align_for_label): Test label before extracting its number of
	uses.
	(rx_max_skip_for_label): Ignore debug insns.

2011-05-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48159
	* tree-ssa.c (reset_debug_uses): New function.
	* tree-flow.h (reset_debug_uses): New prototype.
	* tree-data-ref.c (stmts_from_loop): Ignore debug stmts.
	* tree-loop-distribution.c (generate_loops_for_partition): Call
	reset_debug_uses on the stmts that will be removed.  Keep around
	all debug stmts, don't count them as bits in partition bitmap.
	(generate_builtin): Don't count debug stmts or labels as bits in
	partition bitmap.

2011-05-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2011-05-10  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/48857, 48495
	* config/rs6000/rs6000.h (VSX_SCALAR_MODE): Delete.
	(VSX_MODE): Ditto.
	(VSX_MOVE_MODE): Ditto.
	(ALTIVEC_OR_VSX_VECTOR_MODE): New macro, combine all Altivec and
	VSX vector types.  Add V2DImode.
	(HARD_REGNO_CALLER_SAVE_MODE): Use it instead of
	ALTIVEC_VECTOR_MODE and VSX_VECTOR_MODE calls.
	(MODES_TIEABLE_P): Ditto.

	* config/rs6000/rs6000.c (rs6000_emit_move): Use
	ALTIVEC_OR_VSX_MODE instead of ALTIVEC_VECTOR_MODE and
	VSX_VECTOR_MODE.
	(init_cumulative_args): Ditto.
	(rs6000_function_arg_boundary): Ditto.
	(rs6000_function_arg_advance_1): Ditto.
	(rs6000_function_arg): Ditto.
	(rs6000_function_ok_for_sibcall): Ditto.
	(emit_frame_save): Ditto.
	(rs6000_function_value): Ditto.
	(rs6000_libcall_value): Ditto.

2011-05-10  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_memory_move_cost): Reduce the cost for
	stores.

2011-05-10  DJ Delorie  <dj@redhat.com>

	* config/rx/rx.h (JUMP_ALIGN, LABEL_ALIGN, LOOP_ALIGN): Define.
	(LABEL_ALIGN_AFTER_BARRIER): Pass label to rx_align_for_label
	* config/rx/rx.c (rx_align_for_label): Add label and
	uses_threshold parameters.  Do not align when the label is not
	used enough.
	* config/rx/rx-protos.h (rx_align_for_label): Update prototype.

2011-05-10  Jakub Jelinek  <jakub@redhat.com>

	Backported from mainline
	2011-05-07  Zdenek Dvorak  <ook@ucw.cz>

	PR tree-optimization/48837
	* tree-tailcall.c (tree_optimize_tail_calls_1): Do not mark tailcalls
	when accumulator transformation is performed.

2011-05-10  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48611
	PR tree-optimization/48794
	* tree-eh.c (remove_unreachable_handlers): Don't remove regions
	referenced from RESX or EH_DISPATCH arguments.

2011-05-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (TD/TF mem to reg move splitter): Make the
	temporary register to match Pmode.

2011-05-09  Eric Botcazou  <ebotcazou@adacore.com>

	* var-tracking.c (find_mem_expr_in_1pdv): Fix thinko.
	(dataflow_set_preserve_mem_locs): Likewise.

2011-05-06  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdf_internal_nointeger): Apply "*"
	constraint modifier to "r".

2011-05-06  Alan Modra  <amodra@gmail.com>

	PR target/48900
	* config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Use
	const0_rtx as the arg to the dummy __tls_get_addr libcall.

2011-05-06  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_asm_trampoline_template): Comment
	instruction sizes.
	(s390_trampoline_init): Replace UNITS_PER_WORD with UNITS_PER_LONG.

2011-05-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/48252
	* config/arm/neon.md (neon_vtrn<mode>): Fix typo from earlier commit.

2011-05-05  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_handle_option): Add missing break
	for OPT_mfpu_ case.

2011-05-05  Jason Merrill  <jason@redhat.com>

	PR c++/40975
	* tree-inline.c (copy_tree_r): Handle STATEMENT_LIST.

2011-05-05  Julian Brown  <julian@codesourcery.com>

	* config/arm/neon.md (vec_set<mode>_internal): Fix misplaced
	parenthesis in D-register case.

2011-05-05  Ira Rosen  <ira.rosen@linaro.org>

	Backport from mainline:
	2011-04-18  Ulrich Weigand  <ulrich.weigand@linaro.org>
		    Ira Rosen  <ira.rosen@linaro.org>

	PR target/48252
	* config/arm/arm.c (neon_emit_pair_result_insn): Swap arguments
	to match neon_vzip/vuzp/vtrn_internal.
	* config/arm/neon.md (neon_vtrn<mode>_internal): Make both
	outputs explicitly dependent on both inputs.
	(neon_vzip<mode>_internal, neon_vuzp<mode>_internal): Likewise.

2011-05-04  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (*movdi_internal_rex64) <TYPE_SSEMOV>:
	Use %v prefix in insn mnemonic to handle TARGET_AVX.
	(*movdi_internal): Use "maybe_vex" instead of "vex" in "prefix"
	attribute calculation.
	(*movdf_internal): Output AVX mnemonics.  Add "prefix" attribute.
	* config/i386/sse.md (*sse2_storeq_rex64): Do not emit %v prefix
	for mov{q} mnemonic.
	(*vec_extractv2di_1_rex64_avx): Ditto.

2011-05-03  Uros Bizjak  <ubizjak@gmail.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR target/48774
	* config/i386/i386.c (ix86_match_ccmode): For CC{A,C,O,S}mode
	only succeed if req_mode is the same as set_mode.

2011-05-03  Richard Guenther  <rguenther@suse.de>

	PR lto/48846
	* lto-streamer-in.c (unpack_ts_decl_common_value_fields):
	Stream decl_common.off_align instead of the derived DECL_OFFSET_ALIGN.
	* lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.

2011-05-03  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/48723
	* config/i386/i386.c (ix86_expand_prologue): Do not probe the stack
	for -fstack-check if the size to allocate is negative.

2011-04-30  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48809
	* tree-switch-conversion.c (build_arrays): Compute tidx in unsigned
	type.
	(gen_inbound_check): Don't compute index_expr - range_min in utype
	again, instead reuse SSA_NAME initialized in build_arrays.
	Remove two useless gsi_for_stmt calls.

2011-04-28  Michael Meissner  <meissner@linux.vnet.ibm.com>

	Backport from mainline
	2011-04-01  Andrew Pinski  <pinskia@gmail.com>
	    Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/48262
	* config/rs6000/vector.md (movmisalign<mode>): Allow for memory
	operands, as per the specifications.

	* config/rs6000/altivec.md (vec_extract_evenv4si): Correct modes.
	(vec_extract_evenv4sf): Ditto.
	(vec_extract_evenv8hi): Ditto.
	(vec_extract_evenv16qi): Ditto.
	(vec_extract_oddv4si): Ditto.

2011-04-28  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48597
	* final.c (final_scan_insn): Call dwarf2out_frame_debug even for
	inline asm.

2011-04-27  Jakub Jelinek  <jakub@redhat.com>

	PR c/48742
	* c-typeck.c (build_binary_op): Don't wrap arguments if
	int_operands is true.

2011-04-26  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48768
	* tree-ssa.c (insert_debug_temp_for_var_def): If degenerate_phi_result
	is error_mark_node, set value to NULL.

	PR tree-optimization/48734
	* tree-ssa-reassoc.c (eliminate_redundant_comparison): Give up
	if return value from maybe_fold_*_comparsions isn't something
	the code is prepared to handle.

2011-04-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48731
	* ipa-inline.c (cgraph_flatten): Test if function is inlinable.

2011-04-24  Paolo Carlini  <paolo.carlini@oracle.com>

	PR other/48748
	* doc/extend.texi (Type Traits): Document __is_standard_layout,
	__is_literal_type, and __is_trivial; update throughout about
	possibly cv-qualified void types.

2011-04-23  Jakub Jelinek  <jakub@redhat.com>

	PR c/48685
	* fold-const.c (fold_convert_loc): Add NOP_EXPR when casting
	to VOID_TYPE even around MODIFY_EXPR.

2011-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48717
	* tree-ssa-forwprop.c (associate_plusminus): For A + ~A and
	~A + A optimizations use build_int_cst_type instead of build_int_cst.

2011-04-22  Jakub Jelinek  <jakub@redhat.com>

	PR c/48716
	* gimplify.c (gimplify_bind_expr): Mark as GOVD_LOCAL also
	TREE_STATIC variables declared inside of some OpenMP construct.

2011-04-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/48708
	* config/i386/i386.c (ix86_expand_vector_set) <V2DImode>: Generate
	vec_extract and vec_concat for non-SSE4_1 targets.

2011-04-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48695
	* tree-ssa-alias.c (aliasing_component_refs_p): Compute base
	objects and types here.  Adjust for their offset before comparing.

2011-04-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gimple.c (walk_gimple_op) <GIMPLE_CALL>: Fix couple of oversights.

2011-04-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/48288
	* config/pa/predicates.md (ior_operand): Delete predicate.
	(cint_ior_operand, reg_or_cint_ior_operand): New predicates.
	* config/pa/pa.md (iordi3): Use reg_or_cint_ior_operand predicate in
	expander.  Use cint_ior_operand in unnamed insn.
	(iorsi3): Likewise.
	* config/pa/pa-protos.h (ior_operand): Delete declarations.

2011-04-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48611
	* tree-eh.c (note_eh_region_may_contain_throw): Don't propagate
	beyond ERT_MUST_NOT_THROW region.

2011-04-20  Eric Botcazou  <ebotcazou@adacore.com>

	Backport from mainline
	2011-04-19  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/48148
	* gimple.c (gimple_types_compatible_p_1) <ENUMERAL_TYPE>: Do not merge
	the types if they have different enumeration identifiers.

	2011-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/48492
	* cfgexpand.c (expand_debug_expr) <VAR_DECL>: Return NULL for a
	DECL_IN_CONSTANT_POOL without RTL.

2011-04-20  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-04-19  Bernd Schmidt  <bernds@codesourcery.com>

	PR fortran/47976
	* reload1.c (inc_for_reload): Return void. All callers changed.
	(emit_input_reload_insns): Don't try to delete previous output
	reloads to a register, or record spill_reg_store for autoincs.

2011-04-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/48678
	* config/i386/i386.md (movstrict<mode>): FAIL if operands[0]
	is a SUBREG with non-MODE_INT mode inside of it.

2011-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48661
	* gimple-fold.c (gimple_get_virt_method_for_binfo): Return NULL
	if TREE_TYPE (v) is non-NULL.

	* gimple-fold.c (gimple_get_virt_method_for_binfo): Renamed from
	gimple_get_virt_mehtod_for_binfo.
	* gimple.h (gimple_get_virt_method_for_binfo): Likewise.
	* ipa-cp.c (ipcp_process_devirtualization_opportunities): Adjust
	callers.
	* ipa-prop.c (try_make_edge_direct_virtual_call): Likewise.

2011-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (is_redundant_typedef): Add 'inline' to prototype.

2011-04-18  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48616
	* tree-vect-stmts.c (vectorizable_shift): If SLP, determine
	whether the shift is by scalar or vector based on whether all SLP
	scalar stmts have the same rhs.

2011-04-17  Dennis, CHENG Renquan  <crquan@fedoraproject.org>

	* doc/passes.texi: Fill crossref nodes.

2011-04-17  Marius Strobl  <marius@FreeBSD.org>

	* config/sparc/freebsd.h (CPP_CPU64_DEFAULT_SPEC): Replace with...
	(FBSD_TARGET_CPU_CPP_BUILTINS): ...this.
	(TARGET_GNU_TLS, TARGET_SUN_TLS): Define.

2011-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	PR lto/48538
	* lto-cgraph.c (merge_profile_summaries): Check that lto_file_data
	is non-null before accessing it.
	(input_cgraph): Remove trailing spaces.

2011-04-15  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md (popcountdi2, popcountsi2, popcounthi2):
	Replace match_operand with match_dup for the third operand in
	these expanders.

2011-04-15  Jakub Jelinek  <jakub@redhat.com>

	PR target/48605
	* config/i386/sse.md (avx_insertps, sse4_1_insertps): If operands[2]
	is a MEM, offset it as needed based on top 2 bits in operands[3],
	change MEM mode to SFmode and mask those 2 bits away from operands[3].

2011-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	Backport from mainline:
	2011-04-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/48366
	* config/pa/pa.c (hppa_register_move_cost): Increase to 18 cost of
	move from floating point to shift amount register.
	(emit_move_sequence): Remove secondary reload support for floating
	point to shift amount amount register copies.
	(pa_secondary_reload): Return GENERAL_REGS for floating point/shift
	amount register copies.
	* config/pa/pa32-regs.h (HARD_REGNO_MODE_OK): For shift amount
	register, return false if mode isn't a scalar integer mode.
	* config/pa/pa64-regs.h (HARD_REGNO_MODE_OK): Likewise.

2011-04-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48591
	* omp-low.c (expand_omp_atomic_fetch_op): Return false if decl is NULL.
	(expand_omp_atomic_pipeline): Return false if cmpxchg is NULL.

2011-04-13  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	Backport from mainline:
	2011-04-12  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
	PR target/48090
	* config/arm/arm.md (*arm_negdi2): Fix early clobber constraints.

2011-04-12  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/48195
	* ipa-cp.c (ipcp_driver): Call ipa_check_create_node_params and
	ipa_check_create_edge_args.
	(ipcp_generate_summary): Do not call ipa_check_create_node_params and
	ipa_check_create_edge_args.
	* ipa-inline.c (inline_generate_summary): Do not call
	ipa_check_create_node_params and ipa_check_create_edge_args.
	* ipa-prop.c (ipa_analyze_node): Call ipa_check_create_node_params and
	ipa_check_create_edge_args.

2011-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/48549
	* combine.c (propagate_for_debug): Also stop after BB_END of
	this_basic_block.  Process LAST and just stop processing after it.
	(combine_instructions): If last_combined_insn has been deleted,
	set last_combined_insn to its PREV_INSN.

2011-04-12  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.c (expand_prologue): Do not use the CALLT
	instruction for interrupt handlers if the target is the basic V850
	architecture.
	(expand_epilogue): Likewise.

2011-04-12  Jakub Jelinek  <jakub@redhat.com>

	PR c/48517
	* c-typeck.c (store_init_value): Set TREE_TYPE (decl) to
	qualified type.

2011-04-11  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (Tbss=, Tdata=, Ttext=): New options.

2011-04-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	Backport from mainline:
	2011-04-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/alpha/osf5.h (MAX_OFILE_ALIGNMENT): Define.

2011-04-09  Duncan Sands  <baldrick@free.fr>

	* tree.c (array_type_nelts): Bail out if TYPE_MAX_VALUE not set.

2011-04-08  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR target/47829
	* config.gcc: disable unwind table generation for crtbegin/crtend
	on i386-*-freebsd.

2011-04-08  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48377
	* tree-vect-data-refs.c (vector_alignment_reachable_p): Set is_packed
	to true even for types with smaller TYPE_ALIGN than TYPE_SIZE.

2011-04-07  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md: Update copyright year.
	(avx_cmp<ssescalarmodesuffix><mode>3): Add missing output
	register constraint.
	(*vec_concatv2sf_avx): Fix wrong register constraint in
	alternative 3 of operand 1.
	(*vec_set<mode>_0_avx): Avoid combining registers from different
	units in a single alternative.
	(*vec_set<mode>_0_sse4_1): Ditto.
	(*vec_set<mode>_0_sse2): Ditto.
	(vec_set<mode>_0): Ditto.
	(sse2_storehpd): Ditto.
	(sse2_loadhpd): Ditto.
	(sse4_1_insertps): Use nonimmediate_operand for operand 2.
	* config/i386/predicates.md (sse_comparison_operator): Do not
	define as special predicate.

2011-04-07  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48343
	* combine.c (combine_instructions): Add last_combined_insn,
	update it if insn is after it, pass it to all try_combine calls.
	(try_combine): Add last_combined_insn parameter, pass it instead of
	i3 to propagate_for_debug.

2011-04-07  Andrey Belevantsev  <abel@ispras.ru>

	Backport from mainline
	2011-03-26  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/48144
	* sel-sched-ir.c (merge_history_vect): Factor out from ...
	(merge_expr_data): ... here.
	(av_set_intersect): Rename to av_set_code_motion_filter.
	Update all callers.  Call merge_history_vect when an
	expression is found in both sets.
	* sel-sched-ir.h (av_set_code_motion_filter): Add prototype.

2011-04-06  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48466
	* dwarf2out.c (based_loc_descr): If drap_reg is INVALID_REGNUM, use
	as base_reg whatever register reg has been eliminated to, instead
	of hardcoding STACK_POINTER_REGNUM.

	Backported from mainline
	2011-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48335
	* expr.c (expand_assignment): Handle all possibilities
	if TO_RTX is CONCAT.
	* expmed.c (store_bit_field_1): Avoid trying to create
	invalid SUBREGs.
	(store_split_bit_field): If SUBREG_REG (op0) or
	op0 itself has smaller mode than word, return it
	for offset 0 and const0_rtx for out-of-bounds stores.
	If word is const0_rtx, skip it.

2011-04-06  Joseph Myers  <joseph@codesourcery.com>

	* gcov-io.c: Use GCC Runtime Library Exception.

2011-04-05  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (self_referential_size): Fix 2010-07-13 commit.

2011-04-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/t-spu-elf (dp-bit.c): Use > instead of >>.

2011-04-01  Andrey Belevantsev  <abel@ispras.ru>

	Backport from mainline
	2011-03-22  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/48143
	* config/i386/sse.md (*sse2_cvtpd2dq): Add athlon_decode attribute.
	(*sse2_cvttpd2dq, sse2_cvtss2sd, *sse2_cvtpd2ps,
	sse2_cvtps2pd): Likewise.

2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/48142
	* config/i386/i386.c (ix86_adjust_stack_and_probe): Differentiate
	frame-related from frame-unrelated adjustments to the stack pointer.

2011-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48349
	* config/i386/i386.h (REG_CLASS_CONTENTS): Fix a typo in
	FLOAT_SSE_REGS.

2011-03-29  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48253
	* dwarf2out.c (struct dw_fde_struct): Remove dw_fde_hot_section_label,
	dw_fde_hot_section_end_label, dw_fde_unlikely_section_label,
	dw_fde_unlikely_section_end_label, cold_in_std_section,
	dw_fde_switched_sections and dw_fde_switched_cold_to_hot fields.
	Add dw_fde_second_begin, dw_fde_second_end and second_in_std_section
	fields.
	(output_fde): Use dw_fde_second_{begin,end} if second is
	true, otherwise dw_fde_{begin,end}.
	(output_call_frame_info): Test dw_fde_second_begin != NULL
	instead of dw_fde_switched_sections.
	(dwarf2out_begin_prologue): Stop initializing removed dw_fde_struct
	fields, initialize new fields.  Initialize in_std_section
	unconditionally from the first partition.
	(dwarf2out_end_epilogue): Don't override dw_fde_end when
	dw_fde_second_begin is non-NULL.
	(dwarf2out_switch_text_section): Stop initializing removed
	dw_fde_struct fields, initialize new fields, initialize
	also dw_fde_end here.  Set dw_fde_switch_cfi even when
	dwarf2out_do_cfi_asm ().  Call var_location_switch_text_section.
	(struct var_loc_list_def): Add last_before_switch field.
	(arange_table, arange_table_allocated, arange_table_in_use,
	ARANGE_TABLE_INCREMENT, add_arange): Removed.
	(size_of_aranges): Count !in_std_section and !second_in_std_section
	hunks in fdes, instead of looking at arange_table_in_use.
	(output_aranges): Add aranges_length argument, don't call
	size_of_aranges here.  Instead of using aranges_table*
	emit ranges for fdes when !in_std_section resp.
	!second_in_std_section.
	(dw_loc_list): Break ranges crossing section switch.
	(convert_cfa_to_fb_loc_list): Likewise.  If switched sections,
	use dw_fde_second_end instead of dw_fde_end as end of last
	range.
	(gen_subprogram_die): Don't call add_arange.  Use
	dw_fde_{begin,end} for first partition and if switched
	section dw_fde_second_{begin,end} for the second.
	(var_location_switch_text_section_1,
	var_location_switch_text_section): New functions.
	(dwarf2out_begin_function): Initialize cold_text_section even
	when function_section () isn't text_section.
	(prune_unused_types): Don't walk arange_table.
	(dwarf2out_finish): Don't needlessly test
	flag_reorder_blocks_and_partition when testing cold_text_section_used.
	If info_section_emitted, call size_of_aranges and if it indicates
	non-empty .debug_aranges, call output_aranges with the computed
	size.  Stop using removed dw_fde_struct fields, use
	dw_fde_{begin,end} for first partition and dw_fde_second_{begin,end}
	for second.

2011-03-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_sr_alias_set): Don't define.
	(alpha_option_override): Don't set alpha_sr_alias_set.
	(emit_frame_store_1): Use gen_frame_mem rather than calling
	set_mem_alias_set.
	(alpha_expand_epilogue): Ditto.
	(unicosmk_gen_dsib): Ditto.

2011-03-29  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (LABEL_ALIGN_AFTER_BARRIER): Define.
	(ASM_OUTPUT_MAX_SKIP): Define.
	* config/rx/predicates.md (rx_zs_comparison_operator): Do not
	allow LT aor GE comparisons.
	* config/rx/rx-protos.h (rx_align_for_label): Prototype.
	* config/rx/rx.md: Add peepholes and patterns to combine extending
	loads with simple arithmetic instructions.
	* config/rx/rx.c (rx_is_legitimate_address): Allow QI and HI modes
	to use pre-decrement and post-increment addressing.
	(rx_is_restricted_memory_address): For REG+INT addressing, ensure
	that the INT is a valid offset.
	(rx_print_operand): Handle %R.
	Fix %Q's handling of MEMs.
	(rx_option_override): Set alignments.
	(rx_align_for_label): New function.
	(rx_max_skip_for_label): New function.
	(TARGET_ASM_JUMP_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.

2011-03-29  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS
	for invalid symbolic addresses.
	(s390_secondary_reload): Don't use s390_check_symref_alignment for
	larl operands.

2011-03-28  Richard Sandiford  <richard.sandiford@linaro.org>

	PR target/47553
	* config/arm/predicates.md (neon_lane_number): Accept 0..15.

2011-03-28  Richard Guenther  <rguenther@suse.de>

	Backport from mainline
	2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48269
	* tree-object-size.c (addr_object_size): Do not double-account
	for MEM_REF offsets.

	2011-03-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48228
	* tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
	for single-arg PHIs.

	2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48134
	* tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
	a value make sure to fold the statement.

	2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48031
	* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
	or variable-indexed array accesses when in gimple form.

2011-03-27  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR other/48179
	PR other/48221
	PR other/48234
	* doc/extend.texi (Alignment): Move section to match order in TOC.
	* doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
	(Warning Options): Adjust -Wno-cpp summary and remove stray backslash.

2011-03-26  Uros Bizjak  <ubizjak@gmail.com>

	Backport from mainline:
	2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/48237
	* config/i386/i386.md (*movdf_internal_rex64): Do not split
	alternatives that can be handled with movq or movabsq insn.
	(*movdf_internal): Disable for !TARGET_64BIT.
	(*movdf_internal_nointeger): Ditto.
	* config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.

2011-03-26  Jakub Jelinek  <jakub@redhat.com>

	Backport from mainline
	2011-03-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48204
	* simplify-rtx.c (simplify_const_unary_operation): Call
	real_convert when changing mode class with FLOAT_EXTEND.

	2011-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR c/42544
	PR c/48197
	* c-common.c (shorten_compare): If primopN is first sign-extended
	to opN and then zero-extended to result type, set primopN to opN.

	PR rtl-optimization/48156
	* df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
	assume df and df_lr are not NULL.

	2011-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/48141
	* params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
	* dse.c: Include params.h.
	(active_local_stores_len): New variable.
	(add_wild_read, dse_step1): Clear it when setting active_local_stores
	to NULL.
	(record_store, check_mem_read_rtx): Decrease it when removing
	from the chain.
	(scan_insn): Likewise.  Increase it when adding to chain, if it
	reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
	set active_local_stores to NULL before the addition.
	* Makefile.in (dse.o): Depend on $(PARAMS_H).

	PR rtl-optimization/48141
	* dse.c (record_store): If no positions are needed in an insn
	that cannot be deleted, at least unchain it from active_local_stores.

2011-03-25  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Set to 4.6.1.
	* DEV-PHASE: Set to prerelease.

2011-03-25  Release Manager

	* GCC 4.6.0 released.

2011-03-21  Andreas Tobler  <andreast@fgznet.ch>

	* config/rs6000/t-freebsd: Remove duplication from file.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48135
	* doc/install.texi (Prerequisites): Move jar etc. up.
	Explain support library version requirements.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48135
	* doc/install.texi (Prerequisites): Move Perl to build
	requirements.  Always necessary on Solaris 2 with Sun ld.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
	binutils 2.21.
	(Specific, i?86-*-solaris2.[89]): Likewise.
	(Specific, i?86-*-solaris2.10): Likewise.
	(Specific, mips-sgi-irix6): Likewise.
	(Specific, *-*-solaris2*): Remove Sun Studio download URL.
	Update for binutils 2.21.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/48213
	* config/s390/s390.c (s390_delegitimize_address): Don't call
	lowpart_subreg if orig_x has BLKmode.

2011-03-20  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (diagnose_mismatched_decls): Give an error for
	redefining a typedef with variably modified type.

2011-03-20  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (grokfield): Don't allow typedefs for structures or
	unions with no tag by default.
	* doc/extend.texi (Unnamed Fields): Update.

2011-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48176
	* dwarf2out.c (dwarf2out_finish): Call output_aranges even when
	arange_table_in_use is 0, but either text_section_used or
	cold_text_section_used is true.  Don't call it if
	!info_section_emitted.

2011-03-18  Richard Guenther  <rguenther@suse.de>

	* doc/install.texi (--enable-gold): Remove.
	(--with-plugin-ld): Document.
	* doc/invoke.texi (-fuse-linker-plugin): Clarify.

2011-03-18  H.J. Lu  <hongjiu.lu@intel.com>

	Backport from mainline
	2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48171
	* config/i386/i386.opt: Add Save to -mavx and -mfma.

2011-03-18  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48161
	* expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
	instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.

2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48165
	* tree-object-size.c (compute_object_offset): Properly return
	the offset operand of MEM_REFs as sizetype.

2011-03-16  Dodji Seketeli  <dodji@redhat.com>

	PR debug/47510
	* dwarf2out.c (strip_naming_typedef): Factorize out of ...
	(lookup_type_die_strip_naming_typedef): ... here.
	(get_context_die): Use it.
	(gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
	the anonymous struct named by the naming typedef.

2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/46788
	* config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
	in the output template.

2011-03-15  Alan Modra  <amodra@gmail.com>

	PR target/48032
	* config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
	presume symbol_refs without a symbol_ref_decl are suitably
	aligned, nor other trees we may see here.  Handle anchor symbols.
	(legitimate_constant_pool_address_p): Comment.  Add mode param.
	Check cmodel=medium addresses.  Adjust all calls.
	(rs6000_emit_move): Don't call offsettable_ok_by_alignment on
	creating cmodel=medium optimized access to locals.
	* config/rs6000/constraints.md (R): Pass QImode to
	legitimate_constant_pool_address_p.
	* config/rs6000/predicates.md (input_operand): Pass mode to
	legitimate_constant_pool_address_p.
	* config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
	Update prototype.

2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/48053
	* config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
	64-bit constants being loaded into registers other than GPRs such
	as loading 0 into a VSX register.

2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sol2.c (solaris_assemble_visibility): Remove obsolete
	URLs.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

	* doc/invoke.texi, doc/standards.texi: Refer to
	gcc-4.6/c99status.html.

	* DEV-PHASE: Mark "prerelease".

2011-03-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48098
	* tree.c (build_vector_from_val): Adjust assert to requirements
	and reality.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48102
	* graphite-cloog-compat.h (build_cloog_prog): Remove STATE
	parameter.

2011-03-14  Andreas Tobler  <andreast@fgznet.ch>

	* config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
	terms of target_flags_explicit. Adjust copyright year.

	* config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
	* config/rs6000/t-freebsd: New file. Add override for
	LIB2FUNCS_EXTRA.

2011-03-13  Chris Demetriou  <cgd@google.com>

	* doc/invoke.texi (-fdiagnostics-show-option): Replace with...
	(-fno-diagnostics-show-option): this, to reflect current default.
	(-Werror=): Update text about -fno-diagnostics-show-option.

2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/48053
	* config/rs6000/predicates.md (easy_vector_constant_add_self,
	easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
	* config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
	mode is not V2DImode or V2DFmode.
	(vspltis_constant): Do not handle V2DImode and V2DFmode.
	(rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
	* config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
	registers to 0.
	(movdi_internal64): Likewise.

2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47127
	* graphite-clast-to-gimple.c (build_cloog_prog): Removed state
	parameter.
	(set_cloog_options): Same.
	(scop_to_clast): Same.
	(print_clast_stmt): Do not call cloog_state_malloc and
	cloog_state_free.
	(print_generated_program): Same.
	(gloog): Same.
	* graphite-clast-to-gimple.h (cloog_state): Declared.
	(scop_to_clast): Adjust declaration.
	* graphite.c (cloog_state): Defined here.
	(graphite_initialize): Call cloog_state_malloc.
	(graphite_finalize): Call cloog_state_free.

2011-03-11  Jason Merrill  <jason@redhat.com>

	* attribs.c (lookup_attribute_spec): Take const_tree.
	* tree.h: Adjust.

2011-03-11  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sparc.c (sparc_option_override): Use
	PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".

2011-03-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48067
	* tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
	multiplication result will be only used once on the target
	stmt.

2011-03-11  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (max-inline-insns-single): Adjust default value.

2011-03-11  Richard Guenther  <rguenther@suse.de>

	PR lto/48073
	* tree.c (find_decls_types_r): Do not walk types only reachable
	from IDENTIFIER_NODEs.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48044
	* ipa.c (cgraph_remove_unreachable_nodes): Enqueue
	all vnode->force_output nodes as needed.

2011-03-11  Jason Merrill  <jason@redhat.com>

	PR c++/48069
	* tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
	COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.

2011-03-11  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
	cgraph_node.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48063
	* ipa-inline.c (cgraph_decide_inlining): Don't try to
	inline functions called once if !tree_can_inline_p (node->callers).

2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>

	* config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
	extra_objs.
	* config/score/score3.c: Delete.
	* config/score/score3.h: Delete.
	* config/score/mul-div.S: Delete.
	* config/score/sfp-machine.h: Add new file.
	* config/score/constraints.md: Add new file.
	* config/score/t-score-softfp: Add new file.
	* config/score/t-score-elf: Remove score3.o, do not generate multilib.
	* config/score/score7.c (score7_const_ok_for_letter_p): Delete.
	(score7_extra_constraint): Delete.
	(score7_option_override): Remove unused code.
	* config/score/score.c: Remove score3 and score5 define and code.
	* config/score/score.h: Remove score3 and score5 define and code.
	* config/score/score.md: Remove score3 template and unusual insn.
	* config/score/score.opt: Remove score3 and score5 options.

2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
	when _HPUX_SOURCE is defined.
	(LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.

2011-03-10  Jason Merrill  <jason@redhat.com>

	PR c++/48029
	* stor-layout.c (layout_type): Don't set structural equality
	on arrays of incomplete type.
	* tree.c (type_hash_eq): Handle comparing them properly.

2011-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48043
	* config/s390/s390.c (s390_delegitimize_address): Make sure the
	result mode matches original rtl mode.

2011-03-10  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
	(andsi3, andsi3_flags): Fix timings for three operand alternative.

2011-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47866
	* expr.c (store_field): If MEM_SCALAR_P (target), don't use
	MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
	if target wasn't scalar.
	* function.c (assign_stack_temp_for_type): Assert that neither
	MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
	MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
	macro.
	* rtl.h (MEM_SET_IN_STRUCT_P): Removed.

2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390-protos.h (s390_label_align): New prototype.
	* config/s390/s390.c (s390_label_align): New function.
	* config/s390/s390.h (LABEL_ALIGN): New target macro definition.

2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47755
	* config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
	V2DI/V2DF constants.  Only all 0's or all 1's are easy.
	(output_vec_const_move): Ditto.

2011-03-08  Anatoly Sokolov  <aesok@post.ru>

	* config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
	* config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
	* config/mips/mips.c (mips_preferred_reload_class): Make static.
	Change 'rclass' argument and result type to reg_class_t.
	(TARGET_PREFERRED_RELOAD_CLASS): Define.

2011-03-08  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/avr/avr.c (TARGET_REGISTER_MOVE_COST)
	(TARGET_MEMORY_MOVE_COST): Define.
	(avr_register_move_cost, avr_memory_move_cost): New Functions.

2011-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47881
	* ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
	removed anything.

	PR tree-optimization/48022
	* fold-const.c (fold_comparison): Don't call fold_overflow_warning
	for EQ/NE_EXPR.

2011-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47991
	* var-tracking.c (find_use_val): Return NULL for
	cui->sets && cui->store_p BLKmode MEMs.

2011-03-07  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
	Remove.
	* config/stormy16/stormy16-protos.h (xstormy16_print_operand,
	xstormy16_print_operand_address): Remove.
	* config/stormy16/stormy16.c (xstormy16_print_operand,
	xstormy16_print_operand_address): Make static.
	(TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.

2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/47862
	* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
	* config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
	before definition.

2011-03-07  Zdenek Dvorak  <ook@ucw.cz>

	PR bootstrap/48000
	* cfgloopmanip.c (fix_bb_placements): Return immediately
	if FROM is BASE_LOOP's header.

2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>

	* gimplify.c (gimplify_function_tree): Fix building calls
	to __builtin_return_address.

2011-03-07  Alan Modra  <amodra@gmail.com>

	* config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
	* config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
	* config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
	return_mode args.
	* config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
	(INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
	(INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
	(INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
	* config/rs6000/rs6000.c
	(rs6000_elf_end_indicate_exec_stack): Rename to..
	(rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
	for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
	(rs6000_file_start): ..here.
	(rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
	file scope variables.
	(call_ABI_of_interest): New function.
	(init_cumulative_args): Set above vars when function return value
	is a float, vector, or small struct.
	(rs6000_function_arg_advance_1): Likewise for function args.
	(rs6000_va_start): Set rs6000_passes_float if variable arg function
	references float args.

2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/cfg.texi: Remove "See" before @ref.
	* doc/invoke.texi: Likewise.

2011-03-05  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi (C++ Dialect Options): Document ABI v5.

2011-03-05  Anthony Green  <green@moxielogic.com>

	* config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.

2011-03-05  Zdenek Dvorak  <ook@ucw.cz>

	PR rtl-optimization/47899
	* cfgloopmanip.c (fix_bb_placements): Fix first argument
	to flow_loop_nested_p when moving the loop upward.

2011-03-05  Richard Earnshaw  <rearnsha@arm.com>

	PR target/47719
	* arm.md (movhi_insn_arch4):  Accept any immediate constant.

2011-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47967
	* ipa-cp.c (build_const_val): Return NULL instead of creating
	VIEW_CONVERT_EXPR for mismatching sizes.
	(ipcp_create_replace_map): Return NULL if build_const_val failed.
	(ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
	give up on versioning.

2011-03-05  Alan Modra  <amodra@gmail.com>

	PR target/47986
	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
	full cmodel medium/large lo_sum + high addresses.

2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_decompose_address): Reject non-literal
	pool references in UNSPEC_LTREL_OFFSET.

2011-03-04  Jan Hubicka  <jh@suse.cz>

	PR lto/47497
	* lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
	(lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
	* cgraph.h (cgraph_same_body_alias, cgraph_add_thunk): Add node
	pointers.
	* cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
	cgraph_add_thunk): Add node pointers.
	* lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
	associated to right node.
	(input_node): Update use of cgraph_same_body_alias
	and cgraph_add_thunk.

2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.opt (mprefer-avx128): New flag.
	* config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit mode
	when the flag -mprefer-avx128 is on.

2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>

	* dwarf2out.c (compare_loc_operands): Fix address handling.

2011-03-04  Alan Modra  <amodra@gmail.com>

	* tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.

2011-03-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47968
	* expmed.c (extract_bit_field_1): Prefer vector modes that
	vec_extract patterns can handle.

2011-03-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47975
	* optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.

2011-03-04  Richard Henderson  <rth@redhat.com>

	* explow.c (emit_stack_save): Remove 'after' parameter.
	(emit_stack_restore): Likewise.
	* expr.h: Update to match.
	* builtins.c, calls.c, stmt.c: Likewise.
	* config/alpha/alpha.md, config/avr/avr.md: Likewise.
	* config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
	* function.c (expand_function_end): Insert the emit_stack_save
	sequence before parm_birth_insn instead of after.

2011-03-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
	(ssse3_pmaddubsw128): Ditto.
	(ssse3_pmaddubsw): Ditto.

2011-03-03  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH

2011-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/47963
	* gimplify.c (omp_add_variable): Only call omp_notice_variable
	on TYPE_SIZE_UNIT if it is a DECL.

	PR debug/47283
	* cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
	first operand is not is_gimple_mem_ref_addr, try to fold it.
	If the operand still isn't is_gimple_mem_ref_addr, clear
	MEM_EXPR on op0.

2011-03-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47283
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
	match comment.
	(refs_may_alias_p_1): For release branches return true if
	we are confused by our input.

2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_function_value): Rename to ...
	(s390_function_and_libcall_value): ... this.
	(s390_function_value): New function.
	(s390_libcall_value): New function.
	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
	* config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
	target macro definitions.
	* config/s390/s390-protos.h (s390_function_value): Remove prototype.

2011-03-02  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/freebsd64.h (CC1_SPEC): Define.
	* config/i386/linux64.h (CC1_SPEC): Define.
	* config/i386/x86-64.h (CC1_SPEC): Don't define.

2011-03-02  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
	Remove.
	* config/stormy16/stormy16.c: Include reload.h.
	(xstormy16_memory_move_cost): New function.
	(TARGET_MEMORY_MOVE_COST): Define.

2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

	PR rtl-optimization/47925
	* cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
	with side effects.  Remove the more-specific check for volatile asms.

2011-03-02  Alan Modra  <amodra@gmail.com>

	PR target/47935
	* config/rs6000/predicates.md (lwa_operand): Check cmodel medium
	toc relative addresses for valid offsets.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47890
	* tree-vect-loop.c (get_initial_def_for_induction): Set
	related stmt properly.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR lto/47924
	* lto-streamer.c (lto_record_common_node): Also register
	the canonical type.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR lto/46911
	* lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Do not stream DECL_ABSTRACT_ORIGIN.
	(lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
	BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
	* lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
	Do not stream DECL_ABSTRACT_ORIGIN.
	(lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
	BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.

2011-02-28  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
	FUNCTION_VALUE_REGNO_P): Remove.
	* config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
	* config/stormy16/stormy16.c (xstormy16_function_value): Make static.
	Add 'outgoing' argument.
	(xstormy16_libcall_value, xstormy16_function_value_regno_p): New
	function.
	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
	TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-02-28  Kai Tietz  <kai.tietz@onevision.com>

	PR debug/28047
	* dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
	(lookup_filename): Likewise.
	* final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.

2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47893
	* rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
	(assign_stack_local_1): Change last argument type to int.
	* function.c (assign_stack_local_1): Replace reduce_alignment_ok
	argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
	don't record padding space into frame_space_list nor use those areas.
	(assign_stack_local): Adjust caller.
	(assign_stack_temp_for_type): Call assign_stack_local_1 instead
	of assign_stack_local, pass 0 as last argument.
	* caller-save.c (setup_save_areas): Adjust assign_stack_local_1
	callers.

2011-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47283
	* cfgexpand.c (convert_debug_memory_address): Add AS parameter.
	Use target address_mode and pointer_mode hooks instead of hardcoded
	Pmode and ptr_mode.  Handle some simple cases of extending if
	POINTERS_EXTEND_UNSIGNED < 0.
	(expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
	Call convert_debug_memory_address.
	(expand_debug_expr) <case ADDR_EXPR>: Pass as to
	convert_debug_memory_address.

	PR middle-end/46790
	* configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
	* configure: Regenerated.
	* config.in: Regenerated.
	* varasm.c (default_function_section): Return NULL
	if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.

2011-02-28  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
	the description to match the printed values.

2011-02-28  Richard Guenther  <rguenther@suse.de>

	* tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
	of the copied scope tree.

2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes): Avoid deeply (and
	wrongly) nested tables.

2011-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47903
	* real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
	MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
	r isn't op0 nor op1.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Remove magic comment for emacs.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

	PR target/45261
	* config/avr/avr.c (avr_option_override): Use error on bad options.
	(avr_help): New function.
	(TARGET_HELP): Define.

2011-02-22  Georg-Johann Lay  <avr@gjlay.de>

	PR target/42240
	* config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
	(TARGET_CANNOT_MODIFY_JUMPS_P): Define.

2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (ARC Options): Use CPU instead of cpu.
	(ARM Options): Ditto.
	(i386 and x86-64 Options): Ditto.
	(RX Options): Ditto.
	(SPARC Options): Ditto.

2011-02-26  Tijl Coosemans  <tijl@coosemans.org>

	* config.gcc (i386-*-freebsd*): Make i486 the default arch on
	FreeBSD 6 and later.  Generally use cpu generic.

2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cpp.texi: Update copyright years.

2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>

	PR target/46898
	* config/lm32/lm32.md (ashrsi3): Added needed variable.

2011-02-25  Jon Beniston  <jon@beniston.com>

	PR target/46898
	* config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
	* config/lm32/lm32.md (ashlsi3): Remove unused variable.
	* config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
	(lm32_block_move_inline): Add type cast to remove warning.
	(lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
	(gen_int_relational): Move declarations to start of function.

2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/45470
	* tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
	can throw internally only.
	* tree-vect-stmts.c (vectorizable_call): Likewise.

2011-02-24  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/stormy16/stormy16-protos.h
	(xstormy16_preferred_reload_class): Remove.
	* config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
	static. Change 'rclass' argument and return type to reg_class_t.
	(TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

2011-02-24  Richard Guenther  <rguenther@suse.de>

	* lto-streamer-in.c (input_bb): Do not find referenced vars
	in debug statements.

2011-02-23  Jason Merrill  <jason@redhat.com>

	* common.opt (fabi-version): Document v5 and v6.

2011-02-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47849
	* tree-if-conv.c (main_tree_if_conversion): Free postdom info.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

	* opts-common.c (decode_cmdline_option): Print empty string
	argument as "" in decoded->orig_option_with_args_text.
	* gcc.c (execute): Print empty string argument as ""
	in the verbose output.
	(do_spec_1): Keep empty string argument.

2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>

	* config.gcc: Declare score-* and crx-* obsolete.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

	PR rtl-optimization/47763
	* web.c (web_main): Ignore naked clobber when replacing register.

2011-02-22  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
	Remove.

2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR doc/47848
	* doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.

2011-02-22  Mike Stump  <mikestump@comcast.net>

	* acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
	assembler.
	* configure: Regenerate.

2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/46002
	* ira-color.c (update_copy_costs): Change class intersection
	test to reg_class_contents[] test of 'hard_regno'.

2011-02-21  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
	than Driver option.
	* config/hpux11.opt (mt): Likewise.
	* config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
	* config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
	* config/vax/elf.opt (mno-asm-pic): Likewise.
	* config/vms/vms.opt (map, mvms-return-codes): Likewise.

2011-02-21  Mike Stump  <mikestump@comcast.net>

	PR target/47822
	* config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
	tree so we can get save the type.
	* config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
	for CFString instead of trying to use past the end of the builtins.
	* config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
	* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
	* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
	* config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
	Rename to darwin_builtin_cfstring.
	(darwin_init_cfstring_builtins): Return the built type.

2011-02-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/47840
	* config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
	(_mm256_insert_epi64): Use _mm_insert_epi64.

2011-02-21  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/stormy16/stormy16-protos.h
	(xstormy16_mode_dependent_address_p): Remove.
	* config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
	Make static. Change return type to bool. Change argument type to
	const_rtx. Remove dead code.
	(TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-21  Richard Guenther  <rguenther@suse.de>

	PR lto/47820
	* lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
	(lto_input_ts_block_tree_pointers): Hook a BLOCK into the
	TUs context.
	* lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
	Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.

2011-02-20  Richard Guenther  <rguenther@suse.de>

	PR lto/47822
	* tree.c (free_lang_data_in_decl): Clean builtins from
	the TU decl BLOCK_VARS.

2011-02-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47620
	PR debug/47630
	* haifa-sched.c (fix_tick_ready): Skip tick computation
	for debug insns.

2011-02-19  Richard Guenther  <rguenther@suse.de>

	PR lto/47647
	* lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
	Remove lazy BLOCK_VARS streaming.
	(lto_input_ts_block_tree_pointers): Likewise.
	* lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/biarch32.h, config/i386/mach.h,
	config/rs6000/aix.opt, config/sh/superh64.h: Remove.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/47800
	* config/i386/i386.md (peephole2 for shift and plus): Use
	operands[1] original mode in the first insn.

2011-02-18  Mike Stump  <mikestump@comcast.net>

	* config/t-darwin (TM_H): Add dependency on darwin-sections.def.

2011-02-18  Jan Hubicka  <jh@suse.cz>

	PR middle-end/47788
	* ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
	to zero when the function is not inlinable at all.

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
	* config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
	pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
	* config/pa/t-pa-hpux11: Add rules to build pthread stubs.
	* config/pa/t-pa64: Likewise.
	* config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR driver/47787
	* gcc.c (default_compilers): Clear combinable field for "@cpp-output".

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/47792
	* gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.

2011-02-18  Anatoly Sokolov  <aesok@post.ru>

	* config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
	RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
	LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
	GO_IF_LEGITIMATE_ADDRESS): Remove macros.
	* config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
	(m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
	m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
	m32r_load_postinc_p, m32r_store_preinc_predec_p,
	m32r_legitimate_address_p): New functions.
	* config/m32r/constraints.md (constraint "S"): Don't use
	STORE_PREINC_PREDEC_P.
	(constraint "U"): Don't use LOAD_POSTINC_P.

2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/46178
	* ira.c (setup_hard_regno_class): Use ira_class_translate[] to
	compute ira_hard_regno_cover_class[].

2011-02-18  Richard Guenther  <rguenther@suse.de>

	PR lto/47798
	* lto-streamer.h (lto_global_var_decls): Declare.
	* lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
	statics for global var processing.

2011-02-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47737
	* tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
	edge dominance check.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47780
	* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
	avoid invalid rtx sharing.

2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cpp.texi (Obsolete Features): Add background on the
	origin of assertions.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
	objc_abi == 2.
	* config/darwin.c (output_objc_section_asm_op): Added support for
	ABI v1 and v2.
	(is_objc_metadata): New.
	(darwin_objc2_section): New.
	(darwin_objc1_section): New.
	(machopic_select_section): Added support for ABI v1 and v2.
	(darwin_emit_objc_zeroed): New.
	(darwin_output_aligned_bss): Detect objc metadata and treat it
	appropriately.
	(darwin_asm_output_aligned_decl_common): Same.
	(darwin_asm_output_aligned_decl_local): Same.
	* config/darwin-sections.def: Updated for ABI v1 and v2.
	* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
	compiling Objective-C code for the NeXT runtime, default to using
	ABI version 0 for 32-bit, and version 2 for 64-bit.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (optimize_fast): New Variable.
	* opts.c (default_options_optimization): Use opts->x_optimize_fast
	instead of local variable ofast.

2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>

	* doc/invoke.texi (fobjc-abi-version): Documented.
	(fobjc-nilcheck): Documented.
	(fno-nil-receiver): Updated documentation to refer to the NeXT ABI
	version.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	PR driver/47390
	* common.opt (export-dynamic): New Driver option.
	* gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.

2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
	    Jan Hubicka  <jh@suse.cz>

	PR debug/47106
	PR debug/47402
	* cfgexpand.c (account_used_vars_for_block): Remove.
	(estimated_stack_frame_size): Use referenced vars.
	* tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
	that were referenced in the original function.  Test src_fn
	rather than cfun.  Drop redundant get_var_ann.
	(setup_one_parameter): Drop redundant get_var_ann.
	(declare_return_variable): Likewise.
	(copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
	(copy_arguments_for_versioning): Drop redundant get_var_ann.
	* ipa-inline.c (compute_inline_parameters): Do not compute
	disregard_inline_limits here.
	(compute_inlinable_for_current, pass_inlinable): New.
	(pass_inline_parameters): Require PROP_referenced_vars.
	* cgraphunit.c (cgraph_process_new_functions): Don't run
	compute_inline_parameters explicitly unless function is in SSA form.
	(cgraph_analyze_function): Set .disregard_inline_limits.
	* tree-sra.c (convert_callers): Compute inliner parameters
	only for functions already in SSA form.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
	-mlittle-endian-data.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
	-mno-fpu, not -fpu and -no-fpu.
	* config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
	* config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.

2011-02-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43653
	* config/i386/i386.c (ix86_secondary_reload): Handle SSE
	input reload with PLUS RTX.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
	of InverseVar(MDMX).

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
	--m4-340.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/mn10300/mn10300.opt (mno-crt0): New.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/m68k/uclinux.opt (static-libc): New Driver option.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
	%{muser-extend-enabled}.

2011-02-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47738
	* tree-ssa-loop.c (run_tree_predictive_commoning): Return
	the TODO from tree_predictive_commoning.

2011-02-15  Jeff Law  <law@redhat.com>

	Revert
	2011-01-25  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Revert the last change.

2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47755
	* config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
	mode for vector constants.  Remove code that checks for TImode.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* cgraph.h (compute_inline_parameters): Return void.
	* ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-inline.h (estimated_stack_frame_size): Take cgraph node
	rather than decl.
	* cfgexpand.c (estimated_stack_frame_size): Likewise.
	* ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
	Adjust all users.  Pass FN to...
	* tree-flow-inline.h (first_referenced_var): ... this.  Add
	fn argument.
	* ipa-struct-reorg.c: Adjust.
	* tree-dfa.c: Adjust.
	* tree-into-ssa.c: Adjust.
	* tree-sra.c: Adjust.
	* tree-ssa-alias.c: Adjust.
	* tree-ssa-live.c: Adjust.
	* tree-ssa.c: Adjust.
	* tree-ssanames.c: Adjust.
	* tree-tailcall.c: Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-flow.h (referenced_var_lookup): Add fn parameter.
	Adjust all callers.
	* tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
	* tree-flow-inline.h: Adjust.
	* gimple-pretty-print.c: Adjust.
	* tree-into-ssa.c: Adjust.
	* tree-ssa.c: Adjust.
	* cfgexpand.c: Adjust.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	* config/iq2000/constraints.md: New file.
	* config/iq2000/iq2000.md: Include it.
	(define_insn ""): Delete.
	(movsi_internal2, movhi_internal2, movqi_internal2): Delete
	unsupported constraint letters from patterns.
	(call_value, call_value_internal1): Likewise.
	(call_value_multiple_internal1): Likewise.

2011-02-15  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c: Include tm-constrs.h.
	(struct liw_data): New data structure describing an LIW candidate
	instruction.
	(extract_bundle): Use struct liw_data.  Allow small integer
	operands for some instructions.
	(check_liw_constraints): Use struct liw_data.  Remove swapped
	parameter.  Add comments describing the checks.  Fix bug when
	assigning the source of liw1 to the source of liw2.
	(liw_candidate): Delete.  Code moved into extract_bundle.
	(mn10300_bundle_liw): Use struct liw_data.  Check constraints
	before swapping.
	* config/mn10300/predicates.md (liw_operand): New predicate.
	Allows registers and small integer constants.
	* config/mn10300/constraints.md (O): New constraint.  Accetps
	integers in the range -8 to +7 inclusive.
	* config/mn10300/mn10300.md (movesi_internal): Add an alternative
	for moving a small integer into a register.  Give this alternative
	LIW attributes.
	(addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
	(ashlsi3): Likewise, plus give LIW attributes to the alternatives
	using the J,K,L and M constraints,
	(liw): Remove SI mode on second operands to allow for HI and QI
	mode values.
	(cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
	instruction.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Check zero/sign extended
	hard registers.

2011-02-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47743
	* tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
	for a non-type-compatible VN lookup bail out.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/fr30/constraints.md: New file.
	* config/fr30/fr30.md: Include it.
	* config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/frv/constraints.md: New file.
	* config/frv/predicates.md: Include it.
	* config/frv/frv.c (reg_class_from_letter): Delete.
	(frv_option_override): Don't initialize it.
	* config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
	(CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
	(CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
	(EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
	(EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
	(EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
	(REG_CLASS_FROM_CONSTRAINT): Delete.

2011-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47581
	* config/i386/i386.c (ix86_compute_frame_size): Don't align offset
	if frame size is 0 in a leaf function.

2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR pch/14940
	* config/alpha/host-osf.c: New file.
	* config/alpha/x-osf: New file.
	* config.host (alpha*-dec-osf*): Use it.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

	* config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
	* config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
	(rx_mode_dependent_address_p): ...this. Make static. Change argument
	type to const_rtx.
	(TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/stormy16/constraints.md: New file.
	* config/stormy16/predicates.md (nonimmediate_nonstack_operand):
	Use satisfies_constraint_Q and satisfies_constraint_R.
	* config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
	Delete.
	(xstormy16_legitiamte_address_p): Declare.
	* config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
	Un-staticize.
	(xstormy16_extra_constraint_p): Delete.

2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/46494
	* loop-unroll.c (split_edge_and_insert): Adjust comment.
	* loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
	(pass_rtl_loop_done): Add TODO_verify_flow.
	* fwprop.c (pass_rtl_fwprop): Likewise.
	* modulo-sched.c (pass_sms): Likewise.
	* tree-ssa-dom.c (pass_dominator): Likewise.
	* tree-ssa-loop-ch.c (pass_ch): Likewise.
	* tree-ssa-loop.c (pass_complete_unrolli): Likewise.
	(pass_tree_loop_done): Likewise.
	* tree-ssa-pre.c (execute_pre): Likewise.
	* tree-ssa-reassoc.c (pass_reassoc): Likewise.
	* tree-ssa-sink.c (pass_sink_code): Likewise.
	* tree-vrp.c (pass_vrp): Likewise.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/v850/constraints.md: New file.
	* config/v850/v850.md: Include it.
	* config/v850/predicates.md (reg_or_0_operand): Use
	satisfies_constraint_G.
	(special_symbolref_operand): Use satisfies_constraint_K.
	* config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
	(GO_IF_LEGITIMATE_ADDRESS): Likewise.
	(REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
	(CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
	(CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
	(CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

	PR target/47696
	* config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
	description.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/mcore/constraints.md: New file.
	* config/mcore/mcore.md: Include it.
	* config/mcore/mcore.c (reg_class_from_letter): Delete.
	* config/mcore/mcore.h (reg_class_from_letter): Delete.
	(REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
	insn_const_int_ok_for_constraint.
	(CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
	(CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.

2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR ada/41929
	* config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
	(IS_SIGHANDLER): Define.
	(sparc64_is_sighandler): New function, split off from
	sparc64_fallback_frame_state.
	(sparc_is_sighandler): New function, split off from
	sparc_fallback_frame_state.
	(sparc64_fallback_frame_state): Merge with ...
	(sparc_fallback_frame_state): ... this into ...
	(MD_FALLBACK_FRAME_STATE_FOR): ... this.
	Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
	Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
	stack instead of hardcoded offsets.

2011-02-14  Andriy Gapon  <avg@freebsd.org>

	PR target/45808
	* config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2011-02-12  Joseph Myers  <joseph@codesourcery.com>

	PR driver/45731
	* gcc.c (asm_options): Correct spec matching --target-help.

2011-02-12  Martin Jambor  <mjambor@suse.cz>

	* tree-cfg.c (verify_gimple_call): Return true upon invalid argument
	to gimple call error.

2011-02-12  Mike Stump  <mikestump@comcast.net>

	* config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
	comments in backslash regions.

2011-02-12  Mike Stump  <mikestump@comcast.net>
	    Jakub Jelinek  <jakub@redhat.com>
	    Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47324
	* dwarf2out.c (output_cfa_loc): When required, apply the
	DWARF2_FRAME_REG_OUT macro to adjust register numbers.
	(output_loc_sequence): Likewise.
	(output_loc_operands_raw): Likewise.
	(output_loc_sequence_raw): Likewise.
	(output_cfa_loc): Likewise.
	(output_loc_list): Suppress register number adjustment when
	calling output_loc_sequence()
	(output_die): Likewise.

2011-02-12  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
	Remove macros.
	* config/xtensa/xtensa.c (xtensa_register_move_cost,
	xtensa_memory_move_cost): New functions.
	(TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.

2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

	PR lto/47225
	* configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
	in the current directory.
	* configure: Rebuilt.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin.c (darwin_override_options): Add a hunk missed
	from the commit of r168571.  Trim comment line lengths and
	correct indents of the preceding block.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

	* gcc.c (driver_handle_option): Concatenate the argument to -F with
	the switch.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (nostartfiles): New Driver option.

2011-02-11  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/47707
	* tree-chrec.c (convert_affine_scev): Keep type precision.

2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47420
	* ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.

2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>

	PR rtl-optimization/47614
	* rtl.h (check_for_inc_dec): Declare.
	* dse.c (check_for_inc_dec): Externalize...
	* postreload.c (reload_cse_simplify): ...use it before deleting stmt.
	(reload_cse_simplify_operands): Don't simplify opnds with side effects.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

	PR driver/47678
	* gcc.c (main): Do not compile inputs if there were errors in
	option handling.
	* opts-common.c (read_cmdline_option): Check for wrong language
	after other error checks.

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

	* cgraph.c: Fix comment typos.
	* cgraph.h: Likewise.
	* cgraphunit.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-ref.c: Likewise.
	* ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47684
	* tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR testsuite/47400
	* doc/sourcebuild.texi (Require Support): Document
	dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_option_override): Disable
	-fcombine-stack-adjustments until flag value tracking and compare
	optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Revert
	change from 2011-02-03.
	* config/rx/rx.c (flags_from_code): Likewise.
	(rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
	is valid, n/pz otherwise.
	(rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47677
	* tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/47665
	* combine.c (make_compound_operation): Only change shifts into
	multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

	PR testsuite/47622
	Revert
	2011-02-05  Jie Zhang  <jie@codesourcery.com>
	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47664
	* ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
	all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

	PR target/46481
	PR target/47032
	* config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Same.
	(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/45505
	* tree-sra.c (struct access): New flags grp_scalar_read and
	grp_scalar_write.  Changed description of assignment read and write
	flags.
	(dump_access): Dump new flags, reorder all of them.
	(sort_and_splice_var_accesses): Set the new flag accordingly, use them
	to detect multiple scalar reads.
	(analyze_access_subtree): Use the new scalar read write flags instead
	of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

	PR target/47548
	* config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
	patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/m68k/uclinux.opt: New.
	* config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/xtensa/elf.opt: New.
	* config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/vax/elf.opt: New.
	* config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/gnu-user.opt: New.
	* config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
	*-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
	*-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

	* config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
	* config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

	* common.opt (fcx-limited-range): Add SetByCombined flag.
	(ffinite-math-only, fmath-errno, frounding-math): Likewise.
	(fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
	(fassociative-math, freciprocal-math): Likewise.
	(funsafe-math-optimizations): Likewise.
	* opth-gen.awk: Handle SetByCombined.
	* optc-gen.awk: Likewise.
	* opts.c (set_fast_math_flags): Don't override flag if set by frontend.
	(set_unsafe_math_optimizations_flags): Likewise.
	* doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
	i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
	m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
	m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
	sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46834
	PR tree-optimization/46994
	PR tree-optimization/46995
	* graphite-sese-to-poly.c (used_outside_reduction): New.
	(detect_commutative_reduction): Call used_outside_reduction.
	(rewrite_commutative_reductions_out_of_ssa_close_phi): Call
	translate_scalar_reduction_to_array only when at least one
	loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47639
	* tree-vect-generic.c (expand_vector_operations_1): Update
	stmts here ...
	(expand_vector_operations): ... not here.  Cleanup EH info
	and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47641
	* tree-ssa.c (execute_update_addresses_taken): For asm outputs
	require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gimple-low.c (lower_function_body): Don't remove the location of
	the return statement here.
	(lower_gimple_return): Do it here instead but only if the return
	statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47632
	* tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
	unused up_to_stmt parameter, return whether cfg-cleanup is
	necessary, remove EH info properly.
	(forward_propagate_into_gimple_cond): Adjust caller.
	(forward_propagate_into_cond): Likewise.
	(forward_propagate_comparison): Likewise.
	(tree_ssa_forward_propagate_single_use_vars): Make
	forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.opt (mliw): New command line option.
	* config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
	(liw_bundling): New automaton.
	(liw): New attribute.
	(liw_op): New attribute.
	(liw_op1, liw_op2, liw_both, liw_either): New reservations.
	(movsi_internal): Add LIW attributes.
	(andsi3): Likewise.
	(iorsi3): Likewise.
	(xorsi3): Likewise.
	(addsi3): Separate register and immediate alternatives.
	Add LIW attributes.
	(subsi3): Likewise.
	(cmpsi): Likewise.
	(aslsi3): Likewise.
	(lshrsi3): Likewise.
	(ashrsi3): Likewise.
	(liw): New pattern.
	* config/mn10300/mn10300.c (liw_op_names): New
	(mn10300_print_operand): Handle 'W' operand descriptor.
	(extract_bundle): New function.
	(check_liw_constraints): New function.
	(liw_candidate): New function.
	(mn10300_bundle_liw): New function.
	(mn10300_reorg): New function.
	(TARGET_MACHINE_DEPENDENT_REORG): Define.
	(TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
	* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
	__LIW__ or __NO_LIW__.
	* doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
	* config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
	pthread_mutex_unlock): Remove.
	* config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
	* config/pa/t-pa64: Likewise.
	* config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
	shared libc if not linking against libpthread.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47558
	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
	on 10.6 and later to ensure that we always use the unwinder from
	the system.  Only add -no_compact_unwind when tarteting darwin
	10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
	(vec_interleave_lowv2sf): Ditto.
	(vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
	(vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	PR target/42333
	Add __ieee_divdc3 entry point.
	* config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
	entry point.
	(SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
	* config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
	* config/darwin.c (darwin_rename_builtins): Add.
	* config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47636
	* config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
	for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	* config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

	PR target/47534
	* config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47615
	* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
	* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
	(run_scc_vn): Initialize it.
	(visit_reference_op_load): Use it.
	* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_init_libfuncs): Install SImode and
	DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47621
	* tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
	two duplicates ...
	(execute_update_addresses_taken): ... here.  Make it more
	conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/freebsd.h (ASM_SPEC): Define.
	* config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi: Remove reference to compiler internals from
	user documentation.

	* reg-notes.def: Remove REG_VALUE_PROFILE.
	* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47610
	* varasm.c (default_section_type_flags): If decl is NULL,
	and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46194
	* tree-data-ref.c (analyze_miv_subscript): Remove comment.
	(build_classic_dist_vector_1): Do not represent classic distance
	vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/iris6.opt: New.
	* config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
	    Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/predicates.md (mux1_brcst_element): New.
	* config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
	* config/ia64/ia64.c (ia64_unpack_assemble): New.
	(ia64_unpack_sign): New.
	(ia64_expand_unpack): Rewrite using new routines.
	(ia64_expand_widen_sum): Ditto.
	(ia64_expand_dot_prod_v8qi): Ditto.
	* config/ia64/vect.md (mulv8qi3): Rewrite to use new
	routines, add endian check.
	(pmpy2_even): Rename from pmpy2_r, add endian check.
	(pmpy2_odd): Rename from pmpy2_l, add endian check.
	(vec_widen_smult_lo_v4hi): Rewrite using new routines.
	(vec_widen_smult_hi_v4hi): Ditto.
	(vec_widen_umult_lo_v4hi): Ditto.
	(vec_widen_umult_hi_v4hi): Ditto.
	(mulv2si3): Change endian checks.
	(sdot_prodv4hi): Rewrite with new calls.
	(udot_prodv4hi): New.
	(vec_pack_ssat_v4hi): Add endian check.
	(vec_pack_usat_v4hi): Ditto.
	(vec_pack_ssat_v2si): Ditto.
	(max1_even): Rename from max1_r, add endian check.
	(max1_odd): Rename from max1_l, add endian check.
	(*mux1_rev): Format change.
	(*mux1_mix): Ditto.
	(*mux1_shuf): Ditto.
	(*mux1_alt): Ditto.
	(*mux1_brcst_v8qi): Use new predicate.
	(vec_extract_evenv8qi): Remove endian check.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Format change.
	(vec_interleave_highv4hi): Ditto.
	(mix2_even): Rename from mix2_r, add endian check.
	(mix2_odd): Rename from mux2_l, add endian check.
	(*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_helper): Format change.
	(vec_extract_evenv4hi): Remove endian check.
	(vec_extract_oddv4hi): Remove endian check.
	(vec_interleave_lowv2si): Format change.
	(vec_interleave_highv2si): Format change.
	(vec_initv2si): Remove endian check.
	(vecinit_v2si): Add endian check.
	(reduc_splus_v2sf): Add endian check.
	(reduc_smax_v2sf): Ditto.
	(reduc_smin_v2sf): Ditto.
	(vec_initv2sf): Remove endian check.
	(fpack): Add endian check.
	(fswap): Add endian check.
	(vec_interleave_highv2sf): Add endian check.
	(vec_interleave_lowv2sf): Add endian check.
	(fmix_lr): Add endian check.
	(vec_setv2sf): Format change.
	(*vec_extractv2sf_0_be): Use shift to extract operand.
	(*vec_extractv2sf_1_be): New.
	(vec_pack_trunc_v4hi): Add endian check.
	(vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/23200
	* tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
	do bb, locus and block comparison and disallow loads if it is not set.
	(stmt_is_replaceable_p): New function.
	(process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
	callers.
	* expr.c (expand_expr_real_1) <case SSA_NAME>: If
	get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
	SSA_NAME_DEF_STMT.
	* tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/xilinx.opt: New.
	* config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
	secondary_reload_info, xtensa_secondary_reload): Remove.
	* config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
	(xtensa_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
	Use CONST_DOUBLE_P predicate.
	(xtensa_preferred_output_reload_class): New function.
	(xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
	Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
	Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/31490
	* output.h (SECTION_RELRO): Define.
	(SECTION_MACH_DEP): Adjust.
	(get_variable_section): New prototype.
	* varpool.c (varpool_finalize_named_section_flags): New function.
	(varpool_assemble_pending_decls): Call it.
	* cgraph.h (varpool_finalize_named_section_flags): New prototype.
	* cgraphunit.c (cgraph_output_in_order): Call
	varpool_finalize_named_section_flags.
	* varasm.c (get_section): Allow section flags conflicts between
	relro and read-only sections if the section hasn't been declared yet.
	Set SECTION_OVERRIDE after diagnosing section type conflict.
	(get_variable_section): No longer static.
	(default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
	readonly sections that need relocations.
	(decl_readonly_section_1): New function.
	(decl_readonly_section): Use it.

	Revert:
	2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
		    Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/31490
	* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
	if section attribute used.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	* config/darwin.h (SECTION_NO_ANCHOR): Remove.
	* config/darwin.c (SECTION_NO_ANCHOR): Define.
	(darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Remove
	lt and ge.
	* config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
	* config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
	instead of "n" and "pz".
	(flags_from_code): LT and GE tests need CC_FLAG_O as well as
	CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/47312
	* expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
	fma, expand FMA_EXPR as fma{,f,l} call.

	PR lto/47274
	* lto-streamer-out.c (write_symbol): When writing kind and visibility,
	copy them into a unsigned char variable and pass address of it to
	lto_output_data_stream.

	PR target/47564
	* toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
	around backend_init_target and lang_dependent_init_target calls.
	* cgraphunit.c (cgraph_debug_gimple_stmt): New function.
	(verify_cgraph_node): Don't call set_cfun here.  Use
	cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
	Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/43092
	PR rtl-optimization/43494
	* rtl.h (for_each_inc_dec_fn): New type.
	(for_each_inc_dec): Declare.
	* rtlanal.c (struct for_each_inc_dec_ops): New type.
	(for_each_inc_dec_find_inc_dec): New fn.
	(for_each_inc_dec_find_mem): New fn.
	(for_each_inc_dec): New fn.
	* dse.c (struct insn_size): Remove.
	(replace_inc_dec, replace_inc_dec_mem): Remove.
	(emit_inc_dec_insn_before): New fn.
	(check_for_inc_dec): Use it, along with for_each_inc_dec.
	(canon_address): Pass mem modes to cselib_lookup.
	* cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
	(cselib_lookup_from_insn): Likewise.
	(cselib_subst_to_values): Likewise.
	* cselib.c (find_slot_memmode): New var.
	(cselib_find_slot): New fn.  Use it instead of
	htab_find_slot_with_hash everywhere.
	(entry_and_rtx_equal_p): Use find_slot_memmode.
	(autoinc_split): New fn.
	(rtx_equal_for_cselib_p): Rename and implement in terms of...
	(rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
	Deal with autoinc.  Special-case recursion into MEMs.
	(cselib_hash_rtx): Likewise.
	(cselib_lookup_mem): Infer pmode from address mode.  Distinguish
	address and MEM modes.
	(cselib_subst_to_values): Add memmode, pass it on.
	Deal with autoinc.
	(cselib_lookup): Add memmode argument, pass it on.
	(cselib_lookup_from_insn): Add memmode.
	(cselib_invalidate_rtx): Discard obsolete push_operand handling.
	(struct cselib_record_autoinc_data): New.
	(cselib_record_autoinc_cb): New fn.
	(cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
	mode to cselib_lookup.  Reset autoinced REGs here instead of...
	(cselib_process_insn): ... here.
	* var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
	to cselib_lookup.
	(add_uses): Likewise, also to cselib_subst_to_values.
	(add_stores): Likewise.
	* sched-deps.c 	(add_insn_mem_dependence): Pass mode to
	cselib_subst_to_values.
	(sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
	* gcse.c (do_local_cprop): Adjusted.
	* postreload.c (reload_cse_simplify_set): Adjusted.
	(reload_cse_simplify_operands): Adjusted.
	* sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR tree-optimization/45122
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
	unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47272
	* doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
	Document using vector double with the load/store builtins, and
	that the load/store builtins always use Altivec instructions.

	* config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
	to use altivec memory instructions, even on VSX.
	(vector_altivec_store_<mode>): Ditto.

	* config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
	function.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	V2DF, V2DI support to load/store overloaded builtins.

	* config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
	altivec load/store builtins for V2DF/V2DI types.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
	set avoid indexed addresses on power6 if -maltivec.
	(altivec_expand_ld_builtin): Add V2DF, V2DI support, use
	vector_altivec_load/vector_altivec_store builtins.
	(altivec_expand_st_builtin): Ditto.
	(altivec_expand_builtin): Add VSX memory builtins.
	(rs6000_init_builtins): Add V2DI types to internal types.
	(altivec_init_builtins): Add support for V2DF/V2DI altivec
	load/store builtins.
	(rs6000_address_for_altivec): Insure memory address is appropriate
	for Altivec.

	* config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
	vec_vsx_ld and vec_vsx_st.
	(vsx_store_<mode>): Ditto.

	* config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
	variables to hold long long types for VSX vector memory builtins.
	(RS6000_BTI_unsigned_long_long): Ditto.
	(long_long_integer_type_internal_node): Ditti.
	(long_long_unsigned_type_internal_node): Ditti.

	* config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
	(altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
	(altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

	* config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
	short cuts.
	(vec_vsx_st): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/pa/pa-hpux10.opt: New.
	* config/hpux11.opt (pthread): New Driver option.
	* config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
	* config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/ia64/vms.opt: New.
	* config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47580
	* config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
	gpc_reg_operand instead of vsx_register_operand to match rs6000.md
	generator functions.
	(vsx_floatuns<VSi><mode>2): Ditto.
	(vsx_fix_trunc<mode><VSi>2): Ditto.
	(vsx_fixuns_trunc<mode><VSi>2): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
	Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/47525
	* df-scan.c: Update copyright years.
	(df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
	and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sysv4.h (TARGET_VERSION): Remove.
	(SUBTARGET_RETURN_IN_MEMORY): Remove.
	(ASM_OUTPUT_ASCII): Remove.
	* config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

	PR middle-end/47543
	* reload.c (find_reloads_address): Handle reg+d address where both
	components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40979
	PR bootstrap/47044
	* passes.c (init_optimization_passes): After LIM call copy_prop
	and DCE to clean up.
	* tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47576
	PR tree-optimization/47555
	* doc/invoke.texi (scev-max-expr-complexity): Documented.
	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
	(PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
	* tree-scalar-evolution.c (follow_ssa_edge): Use
	PARAM_SCEV_MAX_EXPR_COMPLEXITY.

2011-02-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47566
	* builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Remove unused caller
	variable.

	PR debug/47106
	PR debug/47402
	* tree-flow-inline.h (clear_is_used, is_used_p): New.
	* cfgexpand.c (account_used_vars_for_block): Use them.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	(remove_unused_locals): Likewise.

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Add result decl to
	local decls only once.
	* gimple-low.c (record_vars_into): Mark newly-created variables
	as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47498
	PR debug/47501
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nto.opt: New.
	* config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/netware.opt: New.
	* config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

	* config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
	class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47561
	* toplev.c (process_options): Print the Graphite flags.  Add
	flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/vxworks.opt: New.
	* config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/elf.opt: New.
	* config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
	alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47559
	* tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
	store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

	* tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
	* tree-pass.h (TDF_CSELIB): New macro.
	* cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
	cselib_lookup): Check for it rather than for TDF_DETAILS.

2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47547
	* lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
	is HOST_BIT_BUCKET.

	* opts.c (finish_options): Don't add x_aux_base_name if it is
	HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47555
	Revert
	2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

	PR gcc/46692
	* config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47541
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
	sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/osf5.opt: New.
	* config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (ftree-loop-linear): Use Alias to make it an alias of
	-floop-interchange.
	* invoke.texi (-ftree-loop-linear): Make it clear that this flag
	is an alias of -floop-interchange and that it requires the
	Graphite infrastructure.
	* tree-ssa-loop.c (gate_graphite_transforms): Do not set
	flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47538
	* tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
	type instead of r1type, except for comparisons.  For right
	shifts and comparisons punt if there are mismatches in
	sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
	version number.
	* configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_option): Define.
	(gcc_cv_ld_dynamic_option): Define.
	(gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
	instead.
	(HAVE_LD_STATIC_DYNAMIC): Update message.
	(LD_STATIC_OPTION): Define.
	(LD_DYNAMIC_OPTION): Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
	HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
	registers inside interrupt handlers if the handler is not a leaf
	function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
	reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	PR libgcj/44341
	* doc/install.texi: Document host options discarded when cross
	configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	Reverted:
	2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (print_operand): Rearrange addends in
	toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi: Follow spelling conventions.
	* doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

	* config/hpux11.opt: New.
	* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
	ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>

	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
	to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (hppa-hp-hpux10): Remove references to HP
	support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Binaries): Remove outdated reference for
	Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Thread-Local): Adjust reference to Ulrich
	Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR bootstrap/47147
	* ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
	used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

	* value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.c (arm_legitimize_reload_address): New.
	* config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
	arm_legitimize_reload_address.
	* config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Ignore macros whose definitions include
	two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/42894
	* varasm.c (force_const_mem): Store copy of x in desc->constant
	instead of x itself.
	* expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
	itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

	* config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
	-Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
	* config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
	* config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
	(s390_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

	PR middle-end/46949
	* cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
	(process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47228
	* tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
	build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>

	PR rtl-optimization/46856
	* postreload.c (reload_combine_recognize_const_pattern): Do not
	separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR c/43082
	* c-typeck.c (c_objc_common_truthvalue_conversion): If we are
	passed a VOID_TYPE expression, immediately emit an error and
	return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

	PR rtl-optimization/47464
	* df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
	rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

	PR rtl-optimization/46878
	* combine.c (insn_a_feeds_b): Check for the implicit cc0
	setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/44469
	* cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
	after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/i386/netware.h (LINK_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/i386/sol2-10.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC32): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.
	* config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
	(*mux2): Ditto.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si: Ditto.
	(vec_pack_trunc_v2si): Ditto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR target/47237
	* cgraph.h (cgraph_local_info): New field can_change_signature.
	* ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
	signature can change.
	(ipcp_estimate_growth): Call sequence simplify only if calle signature
	can change.
	(ipcp_insert_stage): Only compute args_to_skip if signature can change.
	(cgraph_function_versioning): We can not change signature of functions
	that don't allow that.
	* lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
	(lto_input_node): Likewise.
	* ipa-inline.c (compute_inline_parameters): Compute
	local.can_change_signature.
	* ipa-split.c (visit_bb): Never split away APPLY_ARGS.
	* tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
	functions that can not change signature.
	* i386.c (ix86_function_regparm, ix86_function_sseregparm,
	init_cumulative_args): Do not use local calling conventions
	for functions that can not change signature.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47190
	* cgraphunit.c (process_common_attributes): New function.
	(process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR lto/47423
	* cgraphbuild.c (record_eh_tables): Record reference to personality
	function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45454
	* sel-sched.c (moveup_expr): Don't let debug insns prevent
	non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/40125
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
	t-dlldir{,-x} fragment for build and add it to tmake_file.
	(i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
	* Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
	* config/i386/t-dlldir: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-dlldir-x: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
	(SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/47246
	* config/arm/arm.c (thumb2_legitimate_index_p): Change the
	lower bound of the allowed Thumb-2 coprocessor load/store
	index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Improve lexing of macro expansion to only
	accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/43601
	* tree.c (handle_dll_attribute): Handle it.
	* doc/extend.texi (@item dllexport): Mention it.
	* doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/26854
	* c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
	(decl_jump_unsafe): Move higher in file, with no other change.
	(bind): Set has_jump_unsafe_decl if appropriate.
	(update_label_decls): Test has_jump_unsafe_decl to avoid loop.
	(check_earlier_gotos): Likewise.
	(c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/invoke.texi (Warning Options): Add missing hyphen.
	(-fprofile-dir): Minor grammatical fixes.
	(-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* Makefile.in (LAMBDA_H): Removed.
	(TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
	(OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
	lambda-trans.o, and tree-loop-linear.o.
	(lto-symtab.o): Remove dependence on LAMBDA_H.
	(tree-loop-linear.o): Remove rule.
	(lambda-mat.o): Same.
	(lambda-trans.o): Same.
	(lambda-code.o): Same.
	(tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
	(tree-vect-slp.o): Same.
	* hwint.h (gcd): Moved here.
	(least_common_multiple): Same.
	* lambda-code.c: Removed.
	* lambda-mat.c: Removed.
	* lambda-trans.c: Removed.
	* lambda.h: Removed.
	* tree-loop-linear.c: Removed.
	* lto-symtab.c: Do not include lambda.h.
	* omega.c (gcd): Removed.
	* passes.c (init_optimization_passes): Remove pass_linear_transform.
	* tree-data-ref.c (print_lambda_vector): Moved here.
	(lambda_vector_copy): Same.
	(lambda_matrix_copy): Same.
	(lambda_matrix_id): Same.
	(lambda_vector_first_nz): Same.
	(lambda_matrix_row_add): Same.
	(lambda_matrix_row_exchange): Same.
	(lambda_vector_mult_const): Same.
	(lambda_vector_negate): Same.
	(lambda_matrix_row_negate): Same.
	(lambda_vector_equal): Same.
	(lambda_matrix_right_hermite): Same.
	* tree-data-ref.h: Do not include lambda.h.
	(lambda_vector): Moved here.
	(lambda_matrix): Same.
	(dependence_level): Same.
	(lambda_transform_legal_p): Removed declaration.
	(lambda_collect_parameters): Same.
	(lambda_compute_access_matrices): Same.
	(lambda_vector_gcd): Same.
	(lambda_vector_new): Same.
	(lambda_vector_clear): Same.
	(lambda_vector_lexico_pos): Same.
	(lambda_vector_zerop): Same.
	(lambda_matrix_new): Same.
	* tree-flow.h (least_common_multiple): Removed declaration.
	* tree-parloops.c (lambda_trans_matrix): Moved here.
	(LTM_MATRIX): Same.
	(LTM_ROWSIZE): Same.
	(LTM_COLSIZE): Same.
	(LTM_DENOMINATOR): Same.
	(lambda_trans_matrix_new): Same.
	(lambda_matrix_vector_mult): Same.
	(lambda_transform_legal_p): Same.
	* tree-pass.h (pass_linear_transform): Removed declaration.
	* tree-ssa-loop.c (tree_linear_transform): Removed.
	(gate_tree_linear_transform): Removed.
	(pass_linear_transform): Removed.
	(gate_graphite_transforms): Make flag_tree_loop_linear an alias of
	flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47265
	PR tree-optimization/47443
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
	if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47382
	* gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
	(gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
	sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47426
	* tree-ssa-structalias.c (ipa_pta_execute): Make externally
	visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/45701
	* config/arm/arm.c (any_sibcall_uses_r3): New function.
	(arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47271
	* tree-if-conv.c (bb_postdominates_preds): New.
	(if_convertible_bb_p): Call bb_postdominates_preds.
	(if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
	(predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
	* config/rx/rx.c (rx_function_value): Likewise.
	(rx_promote_function_mode): Likewise.
	(gen_safe_add): Place an outsized immediate value inside an UNSPEC
	in order to make it legitimate.
	* config/rx/rx.md (adddi3_internal): If the second operand is a MEM
	make sure that the first operand is the same as the result register.
	(addsi3_unspec): Delete.
	(subdi3): Do not accept immediate operands.
	(subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47427
	PR tree-optimization/47428
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47414
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
	correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
	(close_phi_written_to_memory): Call for_each_index with
	dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
	when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
	call to graphite_find_data_references_in_stmt.
	* graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
	(try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
	call to graphite_find_data_references_in_stmt.
	(analyze_drs_in_stmts): Same.
	* tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
	in which the scalar analysis of indices is performed.
	(create_data_ref): Same.  Update call to dr_analyze_indices.
	(find_data_references_in_stmt): Update call to create_data_ref.
	(graphite_find_data_references_in_stmt): Same.
	* tree-data-ref.h (graphite_find_data_references_in_stmt): Update
	declaration.
	(create_data_ref): Same.
	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
	call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Move
	rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
	VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (reduction_dr_1): Allow several reductions
	in a reduction PBB.
	* graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
	that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (same_close_phi_node): New.
	(remove_duplicate_close_phi): New.
	(make_close_phi_nodes_unique): New.
	(canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
	of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Remove
	the gdim parameter.
	(build_lexicographical_constraint): Adjust call to
	ppl_powerset_is_empty.
	(dependence_polyhedron): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
	parameter.
	* graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c
	(translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
	(close_phi_written_to_memory): New.
	(translate_scalar_reduction_to_array): Call close_phi_written_to_memory
	and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/install.texi: Update the expected version number of PPL to 0.11.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
	#if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c: Include graphite-cloog-util.h.
	(new_poly_ddr): Inlined into dependence_polyhedron.
	(free_poly_ddr): Moved close by new_poly_ddr.
	(dependence_polyhedron_1): Renamed dependence_polyhedron.
	Early return NULL when ppl_powerset_is_empty returns true.
	(dependence_polyhedron): Renamed new_poly_ddr.  Call only once
	poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
	(graphite_legal_transform_dr): Call new_poly_ddr.
	(graphite_carried_dependence_level_k): Same.
	(dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
	(dot_transformed_deps_stmt_1): Removed.
	(dot_deps_stmt_1): Call dot_deps_stmt_2.
	(dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
	(dot_deps_1): Call dot_deps_2.
	* Makefile.in (graphite-dependences.o): Add missing dependence on
	graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
	(build_lexicographical_constraint): Same.
	(dependence_polyhedron_1): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): New.
	* graphite-ppl.h (ppl_powerset_is_empty): Declared.
	* tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_pairwise_scheduling): Correctly compute
	the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Stop the
	iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
	nest and two loop depths as parameters.
	(lst_try_interchange_loops): Call lst_interchange_profitable_p after
	lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (print_pddr): Call
	ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-ppl.c (debug_gmp_value): New.
	* graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

	* doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
	invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

	PR c/21659
	* doc/extend.texi (weak pragma): Drop claim that it must
	appear before definition.
	* varasm.c (merge_weak, declare_weak): Only sanity check
	that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* machmode.def: Fixed comments.

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

	* emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

	* builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
	WORDS_BIG_ENDIAN.

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/46519
	* config/i386/i386.c: Include sbitmap.h and fibheap.h.
	(block_info): Add scanned and prev.
	(move_or_delete_vzeroupper_2): Return if the basic block
	has been scanned and the upper 128bit state is unchanged
	from the last scan.
	(move_or_delete_vzeroupper_1): Return true if the exit
	state is changed.
	(move_or_delete_vzeroupper): Visit basic blocks using the
	work-list based algorithm based on vt_find_locations in
	var-tracking.c.

	* config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
	* config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
	-mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
	then define __v850e1__.
	* doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
	compound unordered comparisons.
	* config/rx/rx.c (rx_split_fp_compare): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (gcc_conds, rx_conds): Remove.
	(cbranchsf4): Don't call rx_split_fp_compare.
	(*cbranchsf4): Use rx_split_cbranch.
	(*cmpsf): Don't accept "i" constraint.
	(*conditional_branch): Only valid after reload.
	(cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47385
	* config/rs6000/altivec.md (vector constant splitters): Add
	support for creating vector single precision constants if -mvsx is
	used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/47166
	* reload1.c (emit_reload_insns): Disable the spill_reg_store
	mechanism for PRE_MODIFY and POST_MODIFY.
	(inc_for_reload): For PRE_MODIFY, return the insn that sets the
	reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

	* compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR lto/47333
	* lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/43884
	PR lto/44334
	* predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
	* doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/s390/s390.c (s390_register_move_cost,
	s390_memory_move_cost): New.
	(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR middle-end/47401
	* except.c (sjlj_assign_call_site_values): Move setting the
	crtl->uses_eh_lsda flag to ...
	(sjlj_mark_call_sites): ... here.
	(sjlj_emit_function_enter): Support NULL dispatch label.
	(sjlj_build_landing_pads): In a function with no landing pads
	that still has must-not-throw regions, generate code to register
	a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

	* config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

	* config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

	* compare-elim.c: New file.
	* Makefile.in (OBJS-common): Add it.
	(compare-elim.o): New.
	* common.opt (fcompare-elim): New.
	* opts.c (default_options_table): Add OPT_fcompare_elim.
	* tree-pass.h (pass_compare_elim_after_reload): New.
	* passes.c (init_optimization_passes): Add it.
	* recog.h: Protect against re-inclusion.
	* target.def (TARGET_FLAGS_REGNUM): New POD hook.
	* doc/invoke.texi (-fcompare-elim): Document it.
	* doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
	* doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (cstoresf4): Pass comparison operator to
	rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (UNSPEC_CONST): New.
	(deallocate_and_return): Wrap the amount popped off the stack in
	an UNSPEC_CONST in order to stop it being rejected by
	-mmax-constant-size.
	(pop_and_return): Add a "(return)" rtx.
	(call): Drop the immediate operand.
	(call_internal): Likewise.
	(call_value): Likewise.
	(call_value_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(sibcall): Likewise.  Generate an explicit call using
	sibcall_internal.
	(sibcall_value): Likewise.
	(mov<>): FAIL if a constant operand is not legitimate.
	(addsi3_unpsec): New pattern.

	* config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
	(ok_for_max_constant): New function.
	(gen_safe_add): New function.
	(rx_expand_prologue): Use gen_safe_add.
	(rx_expand_epilogue): Likewise.
	(rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
	UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

	PR tree-optimization/47053
	* tree-ssa-dse.c (need_eh_cleanup): New bitmap.
	(dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
	statements are deleted.
	(tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
	is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47402
	Temporarily revert:
	2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/47106
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45566
	* except.c (convert_to_eh_region_ranges): Emit queued no-region
	notes from other section in hot/cold partitioning even if
	last_action is -3.  Increment call_site_base.

	PR rtl-optimization/47366
	* fwprop.c (forward_propagate_into): Return bool.  If
	any changes are made, -fnon-call-exceptions is used and
	REG_EH_REGION note is present, call purge_dead_edges
	and return true if it purged anything.
	(fwprop_addr): Adjust callers, call cleanup_cfg (0) if
	any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

	PR rtl-optimization/41619
	* caller-save.c (setup_save_areas): Break out code to determine
	which hard regs are live across calls by examining the reload chains
	so that it is always used.
	Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47355
	* tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
	NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	* cfgexpand.c (account_used_vars_for_block): Only account vars
	that are annotated as used.
	(estimated_stack_frame_size): Don't set TREE_USED.
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47395
	* tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47365
	* tree-ssa-sccvn.h (vn_lookup_kind): Declare.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	* tree-ssa-sccvn.c (vn_walk_kind): New static global.
	(vn_reference_lookup_3): Only look through kills if in
	VN_WALKREWRITE mode.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	* tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
	(compute_avail): Likewise.
	(eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
	DECL_IGNORED_P non-reg vars if they are used.

	PR tree-optimization/47391
	* varpool.c (const_value_known_p): Return false if
	decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47215
	* config/i386/i386.c (ix86_local_alignment): Handle
	case for va_list_type_node is nil.
	(ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
	builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.md (define_attr type): Rename f_load
	and f_store to f_fpa_load and f_fpa_store. Update.
	(write_conflict): Deal with rename fallout.
	(*push_fp_multi): Likewise.
	* config/arm/fpa.md (f_load): Use f_fpa_load.
	(f_store): Use f_fpa_store.
	(*movsf_fpa): Likewise.
	(*movdf_fpa): Likewise.
	(*movxf_fpa): Likewise.
	(*thumb2_movsf_fpa): Likewise.
	(*thumb2_movdf_fpa): Likewise.
	(*thumb2_movxf_fpa): Likewise.
	* config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
	f_loadd and f_stored.
	(*thumb2_movdi_vfp): Likewise.
	(*thumb2_movsf_vfp): Fix attribute to f_loads.
	(*thumb2_movsi_vfp): Likewise.
	* config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
	Use f_loads instead of f_load.
	* config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
	* config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
	(xtensa_mode_dependent_address_p): New function.
	(constantpool_address_p): Make static. Change return type to bool.
	Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46583
	* tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47283
	* cfgexpand.c (expand_debug_expr): Instead of generating
	(mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
	etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47370
	* tree-inline.c (remap_gimple_op_r): Recurse manually for
	the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/46130
	* ipa-split.c (consider_split): If return_bb contains non-virtual
	PHIs other than for retval or if split_function would not adjust it,
	refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47167
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Revert previous change, only avoid enumeral type changes.

2011-01-19  Mike Stump  <mikestump@comcast.net>

	* doc/tm.texi.in (BRANCH_COST): Englishify.
	* doc/tm.texi (BRANCH_COST): Likewise.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

	PR c++/47291
	* dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
	(gen_scheduled_generic_parms_dies): New functions.
	(gen_struct_or_union_type_die): Schedule template parameters DIEs
	generation for the end of CU compilation.
	(dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46240
	* tree-into-ssa.c (maybe_register_def): Do not attempt to add
	debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47079
	PR debug/46724
	* function.c (instantiate_expr): Instantiate incoming rtl of
	implicit arguments, and recurse on VALUE_EXPRs.
	(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
	* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	* c-parser.c (c_parser_for_statement): Initialize
	collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
	(LINK_SHLIB_SPEC): Don't use %(link_path).
	(SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
	(NO_SHARED_LIB_SUPPORT): Remove.
	(LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.
	* config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
	* config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared} and conditionals on these options not being passed.
	* config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	* ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
	simplify.

	* ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
	(*mulsi3): Likewise.

	* longlong.h [__mn10300__] (count_leading_zeros): New.
	[__mn10300__] (umul_ppmm, smul_ppmm): New.
	[__mn10300__] (add_ssaaaa, subddmmss): New.
	[__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
	[__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (addsi3_flags): New.
	(addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
	(subsi3_flags, subc_internal, subdi3): New.
	(subdi3_internal, *subdi3_degenerate): New.
	* config/mn10300/predicates.md (reg_or_am33_const_operand): New.

	* config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
	(mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
	(mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
	(return_ret): Likewise.  Rename from return_internal_regs.
	(return_internal): Remove.

	* config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
	(mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
	(mn10300_legitimate_constant_p): Likewise.
	(mn10300_can_use_return_insn): Use mn10300_initial_offset.
	(mn10300_frame_size): New.
	(mn10300_expand_prologue): Use it.
	(mn10300_expand_epilogue): Likewise.
	(mn10300_initial_offset): Likewise.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
	* config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
	(prologue, epilogue, return_internal): Tidy output code.
	(mn10300_store_multiple_operation, return): Likewise.
	(int_label, pop_pic_reg, GOTaddr2picreg): Remove.
	(am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
	(add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
	(load_pic, am33_load_pic): New.
	(mn10300_load_pic0, mn10300_load_pic1): New.

	* config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
	* config/mn10300/mn10300.c (CC_FLAG_Z): New.
	(CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
	(cc_flags_for_mode, cc_flags_for_code): New.
	(mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
	overflow flag is not valid.  Validate that the flags we need
	for the comparison are valid.
	(mn10300_output_cmp): Remove.
	(mn10300_output_add): New.
	(mn10300_select_cc_mode): Use cc_flags_for_code.
	(mn10300_split_cbranch): New.
	(mn10300_match_ccmode): New.
	(mn10300_split_and_operand_count): New.
	* config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
	to the function.
	* config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
	(addsi3): ... here.  Use mn10300_output_add.
	(*addsi3_flags): New.
	(*am33_subsi3, *mn10300_subsi3): Merge...
	(subsi3): ... here.  Use attribute isa.
	(*subsi3_flags): New.
	(negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
	when possible.
	(*am33_andsi3, *mn10300_andsi3): Merge...
	(andsi3): ... here.
	(*andsi3_flags): New.
	(andsi3 splitters): New.
	(*am33_iorsi3, *mn10300_iorsi3): Merge...
	(iorsi3): ... here.
	(*iorsi3_flags): New.
	(*am33_xorsi3, *mn10300_xorsi3): Merge...
	(xorsi3): ... here.
	(*xorsi3_flags): New.
	(*am33_cmpsi2, *mn10300_cmplsi2): Merge...
	(one_cmplsi2): ... here.
	(*one_cmplsi2_flags): New.
	(*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
	instead of "dax" in constraints.  Use mn10300_split_cbranch.
	(*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
	use matching constraints to eliminate a self-comparison.
	(*integer_conditional_branch): Rename from integer_conditional_branch.
	Use int_mode_flags to match CC_REG.
	(*cbranchsi4_btst, *btstsi): New.
	(*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
	mn10300_split_cbranch.
	(*am33_cmpsf): Rename from am33_cmpsf.
	(*float_conditional_branch): Rename from float_conditional_branch.
	(*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
	(zero_extendqisi2): ... here.
	(*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
	(zero_extendhisi2): ... here.
	(*extendqisi2_am33, *extendqisi2_mn10300): Merge...
	(extendqisi2): ... here.
	(*extendhisi2_am33, *extendhisi2_mn10300): Merge...
	(extendhisi2): ... here.
	(*am33_ashlsi3, *mn10300_ashlsi3): Merge...
	(ashlsi3): ... here.
	(*am33_lshrsi3, *mn10300_lshrsi3): Merge...
	(lshrsi3): ... here.
	(*am33_ashrisi3, *mn10300_ashrsi3): Merge...
	(ashrsi3): ... here.
	(consecutive add peephole): Remove.
	* config/mn10300/predicates.md (label_ref_operand): New.
	(int_mode_flags): New.
	(CCZN_comparison_operator): New.

	* config/mn10300/mn10300.md (UNSPEC_EXT): New.
	(throughput_42_latency_43): New reservation.
	(mulsidi3, umulsidi3): New expanders.
	(mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
	the MDR register to allocation; separately allocate the low and
	high parts of the DImode result.
	(umulsidi3_internal): Similarly.
	(*am33_mulsi3, *mn10300_mulsi3): Merge into ...
	(*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
	(udivsi3, umodsi3): Remove.
	(udivmodsi4, divmodsi4): New expanders.
	(*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
	(*divmodsi4): Simiarly.
	(ext_internal): New.

	* config/mn10300/constraints.md ("z"): New constraint.
	* config/mn10300/mn10300.h (MDR_REGNUM): Remove.
	(FIXED_REGISTERS): Don't fix MDR.
	(CALL_USED_REGSITERS): Reformat nicely.
	(REG_ALLOC_ORDER): Add MDR.
	(enum regclass): Add MDR_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
	(IRA_COVER_CLASSES): Add MDR_REGS.
	(REGNO_REG_CLASS): Handle MDR_REG.
	* config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
	(mn10300_register_move_cost): Likewise.
	* config/mn10300/mn10300.md (MDR_REG): New.
	(*movsi_internal): Handle moves to/from MDR_REGS.

	* config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
	POST_MODIFY.
	(mn10300_secondary_reload): Tidy combination reload classes.
	(mn10300_legitimate_address_p): Allow post-modify and reg+reg
	addresses for AM33.  Allow symbolic offsets for reg+imm.
	(mn10300_regno_in_class_p): New.
	(mn10300_legitimize_reload_address): New.
	* config/mn10300/mn10300.h (enum reg_class): Remove
	DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
	SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
	SP_OR_GENERAL_REGS.
	(REG_CLASS_NAMES): Update to match.
	(REG_CLASS_CONTENTS): Likewise.
	(INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
	(BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
	(REGNO_IN_RANGE_P): Remove.
	(REGNO_DATA_P): Use mn10300_regno_in_class_p.
	(REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
	(REGNO_STRICT_OK_FOR_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
	(REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
	(REGNO_GENERAL_P): New.
	(HAVE_POST_MODIFY_DISP): New.
	(USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
	(LEGITIMIZE_RELOAD_ADDRESS): New.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
	DATA_REGS for AM33 stack-pointer destination.
	(mn10300_preferred_output_reload_class): Likewise.
	(mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
	into a form appropriate for ...
	(TARGET_SECONDARY_RELOAD): New.
	* config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
	reload_insi; use the "A" constraint for the scratch; handle AM33
	moves of sp to non-address registers.

	* config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
	(*movqi_internal): ... here.
	(*am33_movhi, *mn10300_movhi): Merge into...
	(*movhi_internal): ... here.
	(*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
	as the source/destination of moves from/to SP.
	(movsf): Only allow for AM33-2.
	(*movsf_internal): Use "r" instead of "dax"; use "F" instead of
	any integer constant constraint.  Only allow for AM33-2.  Tidy
	all of the alternative outputs.
	(movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
	(udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
	for MN103.
	(udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi.in: Spell out that a lack of register class unions
	can lead to ICEs.
	* doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47337
	* dce.c (check_argument_store): New function.
	(find_call_stack_args): Ignore debug insns.  Use check_argument_store.

	PR tree-optimization/47290
	* tree-eh.c (infinite_empty_loop_p): New function.
	(cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
	(a64_expand_widen_sum): Ditto.
	* vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si): Ditto.
	(vec_extract_evenv2sf): Ditto.
	(vec_extract_oddv2sf): Ditto.
	(vec_pack_trunc_v4hi: Ditto.
	(vec_pack_trunc_v2si): Ditto.
	(vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
	(vec_interleave_highv8qi): Ditto.
	(mix1_r): Ditto.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Ditto.
	(vec_interleave_highv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* doc/extend.texi: Mention __float128 support on hppa HP-UX.
	* config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
	* config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
	(pa_c_mode_for_suffix): New.
	(TARGET_EXPAND_BUILTIN): Define.
	(TARGET_C_MODE_FOR_SUFFIX): Define.
	(pa_builtins): Define.
	(pa_init_builtins): Register __float128 type and init new support
	builtins.
	* config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
	* config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/46894
	* explow.c (allocate_dynamic_stack_space): Do not assume more than
	BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
	are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR tree-optimization/47179
	* config/spu/spu.c (spu_ref_may_alias_errno): New function.
	(TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/47216
	* emit-rtl.c: Include tree-flow.h.
	(set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
	of replicating it with different semantics.
	* Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
	(cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47299
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
	subtarget.  Use normal multiplication if both operands are constants.
	* expmed.c (expand_widening_mult): Don't try to optimize constant
	multiplication if op0 has VOIDmode.  Convert op1 constant to mode
	before using it.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/lto.texi (LTO): Ensure two spaces after period.  Fix
	spacing after 'e.g.', typos, comma, hyphenation.

2011-01-17  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_constshift_operand): Use match_test.
	(rx_restricted_mem_operand): New.
	(rx_shift_operand): Use register_operand.
	(rx_source_operand, rx_compare_operand): Likewise.
	* config/rx/rx.md (addsi3_flags): New expander.
	(adddi3): Rewrite as expander.
	(adc_internal, *adc_flags, adddi3_internal): New patterns.
	(subsi3_flags): New expander.
	(subdi3): Rewrite as expander.
	(sbb_internal, *sbb_flags, subdi3_internal): New patterns.

	* config/rx/rx.c (RX_BUILTIN_SAT): Remove.
	(rx_init_builtins): Remove sat builtin.
	(rx_expand_builtin): Likewise.
	* config/rx/rx.md (ssaddsi3): New.
	(*sat): Rename from sat.  Represent the CC_REG input.

	* config/rx/predicates.md (rshift_operator): New.
	* config/rx/rx.c (rx_expand_insv): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
	operand to the canonical position.
	(*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
	(*bitclr, *bitclr_in_memory): Similarly.
	(*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
	(insv): Retain the zero_extract in the expansion.

	* config/rx/rx.md (bswapsi2): Use = not + for output reload.
	(bswaphi2, bitinvert, revw): Likewise.

	* config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
	(gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
	* config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
	(stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
	(bitset, bitset_in_memory): Likewise.
	(bitinvert, bitinvert_in_memory): Likewise.
	(bitclr, bitclr_in_memory): Likewise.
	(insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
	(rx_strend, rx_cmpstrn): Likewise.
	(rx_setmem): Likewise.  Make the source BLKmode to match the dest.
	(bitop peep2 patterns): Remove.

	* config/rx/rx.c (rx_match_ccmode): New.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (abssi2): Clobber, don't set flags.
	(addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
	(rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
	(subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
	(fix_truncsfsi2, floatsisf2): Likewise.
	(*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
	(*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
	(*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
	(*subsi3_flags, *xorsi3_flags): New.

	* config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

	* config/rx/rx.c (rx_print_operand): Remove workaround for
	unsplit comparison operations.

	* config/rx/rx.md (movsicc): Split after reload.
	(*movsicc): Merge *movsieq and *movsine via match_operator.
	(*stcc): New pattern.

	* config/rx/rx.c (rx_float_compare_mode): Remove.
	* config/rx/rx.h (rx_float_compare_mode): Remove.
	* config/rx/rx.md (cstoresi4): Split after reload.
	(*sccc): New pattern.

	* config/rx/predicates.md (label_ref_operand): New.
	(rx_z_comparison_operator): New.
	(rx_zs_comparison_operator): New.
	(rx_fp_comparison_operator): New.
	* config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
	Validate that the flags are set properly for the comparison.
	(rx_gen_cond_branch_template): Remove.
	(rx_cc_modes_compatible): Remove.
	(mode_from_flags): New.
	(flags_from_code): Rename from flags_needed_for_conditional.
	(rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
	(rx_select_cc_mode): Likewise.
	(rx_split_fp_compare): New.
	(rx_split_cbranch): New.
	* config/rx/rx.md (most_cond, zs_cond): Remove iterators.
	(*cbranchsi4): Use match_operator and rx_split_cbranch.
	(*cbranchsf4): Similarly.
	(*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
	match_operator and rx_split_cbranch.
	(*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
	tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
	(*cmpsi): Rename from cmpsi.
	(*tstsi): Rename from tstsi.
	(*cmpsf): Rename from cmpsf; use CC_Fmode.
	(*conditional_branch): Rename from conditional_branch.
	(*reveresed_conditional_branch): Remove.
	(b<code>): Remove expander.
	* config/rx/rx-protos.h: Update.

	* config/rx/rx.c (rx_compare_redundant): Remove.
	* config/rx/rx.md (cmpsi): Don't use it.
	* config/rx/rx-protos.h: Update.

	* config/rx/rx-modes.def (CC_F): New mode.
	* config/rx/rx.c (rx_select_cc_mode): New.
	* config/rx/rx.h (SELECT_CC_MODE): Use it.
	* config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

	* except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47313
	* tree-inline.c (tree_function_versioning): Move DECL_RESULT
	handling before copying the body.  Properly deal with
	by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

	PR target/47219
	* config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
	(struct_value_alias_set): Don't define.
	(sparc_option_override): Don't set sparc_sr_alias_set and
	struct_value_alias_set.
	(save_or_restore_regs): Use gen_frame_mem rather than calling
	set_mem_alias_set.
	(sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/47318
	* config/i386/avxintrin.h (_mm_maskload_pd): Change mask to
	__m128i.
	(_mm_maskstore_pd): Likewise.
	(_mm_maskload_ps): Likewise.
	(_mm_maskstore_ps): Likewise.
	(_mm256_maskload_pd): Change mask to __m256i.
	(_mm256_maskstore_pd): Likewise.
	(_mm256_maskload_ps): Likewise.
	(_mm256_maskstore_ps): Likewise.

	* config/i386/i386-builtin-types.def: Updated.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/i386.c (bdesc_special_args): Update
	__builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
	__builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
	__builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
	__builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
	Use <avxpermvecmode> on mask register.
	(avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
	    Michael Haubenwallner  <michael.haubenwallner@salomon.at>
	    Eric Botcazou  <ebotcazou@adacore.com>

	PR target/46655
	* xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
	if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/install.texi (Configuration, Specific): Wrap long
	lines in examples.  Allow line wrapping in long options
	and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_classify_symbol): Don't return
	SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47276
	* ipa.c (function_and_variable_visibility): Do not try to mark alias
	declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

	* common.opt (fdevirtualize): New flag.
	* doc/invoke.texi (Option Summary): Document it.
	* opts.c (default_options_table): Add devirtualize flag.
	* ipa-prop.c (detect_type_change): Return immediately if
	devirtualize flag is not set.
	(detect_type_change_ssa): Likewise.
	(compute_known_type_jump_func): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/45934
	PR tree-optimization/46302
	* ipa-prop.c (type_change_info): New type.
	(stmt_may_be_vtbl_ptr_store): New function.
	(check_stmt_for_type_change): Likewise.
	(detect_type_change): Likewise.
	(detect_type_change_ssa): Likewise.
	(compute_complex_assign_jump_func): Check for dynamic type change.
	(compute_complex_ancestor_jump_func): Likewise.
	(compute_known_type_jump_func): Likewise.
	(compute_scalar_jump_functions): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.
	(ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
	* config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
	-mcpu options.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
	* config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
	Likewise.
	* config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

	* config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
	* config/fr30/fr30.md: Likweise
	(movsi_push): Likewise.
	(movsi_pop): Likewise.
	(enter_func): Likewise.
	* config/moxie/moxie.md (movsi_push): Likewise.
	(movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/openbsd.h (LINK_SPEC): Likewise.
	* config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
	ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
	-nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
	for mcpu not cpu.
	* config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
	CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
	not cpu.
	(CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
	Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/avr/avr.h (CPP_SPEC): Don't handle -posix.
	(CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
	* config/m32r/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux64.h (LINK_SPEC): Likewise.
	* config/sparc/linux.h (LINK_SPEC): Likewise.
	* config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
	LINK_SPEC): Likewise.
	* config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
	%{version:-v}.
	* config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
	supports -Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
	    Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/46037
	* config/darwin.c (darwin_override_options): Honor flag_gtoggle
	when checking debug_info_level. Test write_symbols instead of
	debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47179
	* target.def (ref_may_alias_errno): New target hook.
	* targhooks.h (default_ref_may_alias_errno): Declare.
	* targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
	(default_ref_may_alias_errno): New function.
	* target.h (struct ao_ref_s): Declare.
	* tree-ssa-alias.c: Include target.h.
	(call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
	* Makefile.in (tree-ssa-alias.o): Adjust dependencies.
	(targhooks.o): Likewise.
	* doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
	* doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47280
	* tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
	return CFG changes.
	(tree_ssa_forward_propagate_single_use_vars): Deal with
	CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47281
	Revert
	2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47286
	* tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/46823
	* tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
	LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
	* config/xtensa/xtensa.c (xtensa_libcall_value,
	xtensa_function_value_regno_p): New functions.
	(TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

	PR c++/47213
	* config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
	PE specific hook.
	* config/i386/i386-protos.h (i386_pe_assemble_visibility):
	New function prototype.
	* config/i386/winnt.c (i386_pe_assemble_visibility):
	Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47251
	* config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
	floating point.
	(floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (print_operand_address): Replace 'error' with
	'output_operand_lossage'.
	(print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

	PR rtl-optimization/39077
	* doc/invoke.texi (max-gcse-insertion-ratio): Document.
	* params.h (MAX_GCSE_INSERTION_RATIO): Define.
	* params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
	* lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
	* gcse.c (prune_insertions_deletions): New function.
	(compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

	PR debug/PR46973
	* dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
	static function.
	(prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/45352
	* sel-sched.c: Update copyright years.
	(reset_sched_cycles_in_current_ebb): Also recheck the DFA state
	in the advancing loop when we have issued issue_rate insns.

2011-01-12  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
	(TARGET_MD_ASM_CLOBBERS): New.

	* config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
	(TARGET_DELEGITIMIZE_ADDRESS): New.

	* config/mn10300/mn10300.md (UNSPEC_BSCH): New.
	(clzsi2, *bsch): New patterns.

	* config/mn10300/mn10300.md (INT): New mode iterator.
	(*mov<INT>_clr): New pattern, and peep2 to generate it.

	* config/mn10300/mn10300.c (mn10300_option_override): Force enable
	flag_split_wide_types.

	* config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
	(mn10300_trampoline_init): Rewrite without a template, an immediate
	load and a direct branch.
	* config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
	* config/s390/s390.c (s390_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

	PR debug/47209
	* dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
	of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR driver/47244
	* gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
	(PLUGIN_COND_CLOSE): New macro.
	(LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR lto/47259
	* lto-streamer-out.c (output_gimple_stmt): Do not wrap
	register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
	crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
	hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
	i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
	i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
	x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
	ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
	m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
	mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
	s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
	sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
	am33_2.0-*-linux*): Use gnu-user.h before linux.h.
	* config/gnu-user.h: New.  Copied from linux.h.
	(LINUX_TARGET_STARTFILE_SPEC): Rename to
	GNU_USER_TARGET_STARTFILE_SPEC.
	(LINUX_TARGET_ENDFILE_SPEC): Rename to
	GNU_USER_TARGET_ENDFILE_SPEC.
	(LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
	(LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
	(OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
	LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
	CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
	UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
	BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
	BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
	TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
	* config/arm/linux-eabi.h (CC1_SPEC): Use
	GNU_USER_TARGET_CC1_SPEC.
	(LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
	(STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
	(ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
	* config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
	LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
	LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
	CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
	LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR other/46946
	* doc/invoke.texi (ffast-math): Document it is turned on
	with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47233
	* opts.c (common_handle_option): Disable ipa-reference with profile
	feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_parser_objc_at_property_declaration): Improved
	error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_lex_one_token): Updated and reindented some
	comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_var): Don't output the variable if there is
	already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
	declaration.  Rewrite for both speed and size.
	(mn10300_address_cost_1): Remove.
	(mn10300_register_move_cost): New.
	(mn10300_memory_move_cost): New.
	(mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
	ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
	extensions, shifts, BSWAP, CLZ.
	(mn10300_wide_const_load_uses_clr): Remove.
	(TARGET_REGISTER_MOVE_COST): New.
	(TARGET_MEMORY_MOVE_COST): New.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

	* config/mn10300/constraints.md ("R", "T"): Remove constraints.
	* config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (movsi_internal): Don't use "R".
	(*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
	(iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
	(*test_int_bitfield, *test_byte_bitfield): Remove.
	(*bit_test, *subreg_bit_test): Remove.
	* config/mn10300/predicates.md (const_8bit_operand): Remove.

	* config/mn10300/constraints.md ("c"): Rename from "A".
	("A", "D"): New constraint letters.
	* config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
	(fmssf4, fnmasf4, fnmssf4): Likewise.

	* config/mn10300/mn10300.md (isa): New attribute.
	(enabled): New attribute.

	* config/mn10300/mn10300.md (absdf2, negdf2): Remove.
	(abssf2, negsf2): Define only for hardware fp.
	(sqrtsf2): Reformat.
	(addsf3, subsf3, mulsf3): Merge expander and insn.

	* config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
	(DEBUGGER_AUTO_OFFSET): Remove.
	(DEBUGGER_ARG_OFFSET): Remove.

	* config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
	Emit register stores with the same offsets as the hardware.
	(mn10300_store_multiple_operation): Don't check that the register
	save offsets are monotonic.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

	* config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
	in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

	PR lto/45721
	PR lto/45375
	* tree.h (symbol_alias_set_t): Move typedef here from varasm.c
	(symbol_alias_set_destroy, symbol_alias_set_contains,
	propagate_aliases_backward): Declare.
	* lto-streamer-out.c (struct sets): New sturcture.
	(trivally_defined_alias): New function.
	(output_alias_pair_p): Rewrite.
	(output_unreferenced_globals): Fix output of alias pairs.
	(produce_symtab): Likewise.
	* ipa.c (function_and_variable_visibility): Set weak alias destination
	as needed in lto.
	* varasm.c (symbol_alias_set_t): Remove.
	(symbol_alias_set_destroy): Export.
	(propagate_aliases_forward, propagate_aliases_backward): New functions
	based on ...
	(compute_visible_aliases): ... this one; remove.
	(trivially_visible_alias): New
	(trivially_defined_alias): New.
	(remove_unreachable_alias_pairs): Rewrite.
	(finish_aliases_1): Reorganize code checking if alias is defined.
	* passes.c (rest_of_decl_compilation): Do not call assemble_alias when
	in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45235
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
	volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47239
	* tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

	PR tree-optimization/47086
	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
	IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* profile.c (read_profile_edge_counts): Ignore profile inconistency
	when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/46083
	* lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
	DECL_FINI_PRIORITY.
	* lto-streamer-in.c (unpack_ts_function_decl_value_fields):
	Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi: Fix quoting of multi-word return values in
	@deftypefn statements.  Ensure presence of return value.  Wrap
	overlong @deftypefn lines.
	(is_gimple_operand, is_gimple_min_invariant_address): Remove
	descriptions of removed functions.
	* doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
	of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
	(Conditional Expressions, Logical Operators)
	(Statement and operand traversals): Do not indent smallexample
	code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

	PR tree-optimization/47141
	* ipa-split.c (split_function): Handle case where we are
	returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47234
	* tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
	(pass_feedback_split_functions): Declare.
	* passes.c (init_optimization_passes): Add ipa-split as subpass of
	tree-profile.
	* ipa-split.c (gate_split_functions): Update comments; disable
	split-functions for profile_arc_flag and branch_probabilities.
	(gate_feedback_split_functions): New function.
	(execute_feedback_split_functions): New function.
	(pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/46760
	* tree-inline.c (tree_can_inline_p): Check e->call_stmt before
	calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/47218
	* cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47232
	* c-parser.c (c_parser_declaration_or_fndef): Improved
	error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/winnt.c (i386_pe_start_function): Make sure
	to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

	PR gcc/46902
	PR testsuite/46912
	* plugin.c: Move include of dlfcn.h from here...
	* system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/cpp.texi (C++ Named Operators): Fix markup for header
	file name.
	* doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
	two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47078
	* c-parser.c (c_parser_objc_type_name): If the type is unknown,
	for error recovery purposes behave as if it was not specified so
	that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optmization/46469
	* ipa.c (function_and_variable_visibility): Clear needed flags on
	nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

	* opts.c (finish_options): Set opts->x_flag_opts_finished to true,
	not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
	and no longer claim that gold is required for linker plugin.
	* configure: Regenerate.
	* gcc.c (PLUGIN_COND): New macro.
	(LINK_COMMAND_SPEC): Use it.
	(main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
	* config.in (HAVE_LTO_PLUGIN): New.
	* configure.ac (--with-lto-plugin): New parameter; autodetect
	HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/46367
	* ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
	when we can update original.
	(cgraph_mark_inline_edge): Sanity check.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/42445
	* gcc.c (%>S): New.
	(SWITCH_KEEP_FOR_GCC): Likewise.
	(set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
	(do_spec_1): Handle "%>".

	* config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/47201
	* config/i386/i386.c (ix86_delegitimize_address): If
	simplify_gen_subreg fails, return orig_x.

	PR bootstrap/47187
	* value-prof.c (gimple_stringop_fixed_value): Handle
	lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* target.def (function_switched_text_sections): New hook.
	* doc/tm.texi: Regenerated.
	* doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
	* final.c (default_function_switched_text_sections): New.
	(final_scan_insn): Call function_switched_text_sections when a
	mid-function section change occurs.
	* output.h (default_function_switched_text_sections): Declare.
	* config/darwin-protos.h (darwin_function_switched_text_sections):
	Likewise.
	* config/darwin.c (darwin_function_switched_text_sections): New.
	* config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
	DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
	the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
	Remove.
	* config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/46704
	* dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
	when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

	Bobcat Enablement
	* config.gcc (i[34567]86-*-linux* | ...): Add btver1.
	(case ${target}): Add btver1.
	* config/i386/driver-i386.c (host_detect_local_cpu): Let
	-march=native recognize btver1 processors.
	* config/i386/i386-c.c (ix86_target_macros_internal): Add
	btver1 def_and_undef
	* config/i386/i386.c (struct processor_costs btver1_cost): New
	btver1 cost table.
	(m_BTVER1): New definition.
	(m_AMD_MULTIPLE): Includes m_BTVER1.
	(initial_ix86_tune_features): Add btver1 tune.
	(processor_target_table): Add btver1 entry.
	(static const char *const cpu_names): Add btver1 entry.
	(software_prefetching_beneficial_p): Add btver1.
	(ix86_option_override_internal): Add btver1 instruction sets.
	(ix86_issue_rate): Add btver1.
	(ix86_adjust_cost): Add btver1.
	* config/i386/i386.h (TARGET_BTVER1): New definition.
	(enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
	(enum processor_type): Add PROCESSOR_BTVER1.
	* config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/43309
	* config/i386/i386.c (legitimize_tls_address)
	<TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
	* config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
	(tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Overall Options): Improve wording and markup
	of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
	rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/38118
	* config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
	if coming from .tdata.
	* config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

	PR lto/47188
	* collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR other/45915
	* configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
	--version output if supported.
	* configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/linux-android.opt (tno-android-cc, tno-android-ld): New
	Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/47150
	* c-convert.c (convert): When converting a complex expression
	other than COMPLEX_EXPR to a different complex type, ensure
	c_save_expr is called instead of save_expr, unless in_late_binary_op.
	* c-typeck.c (convert_for_assignment): Set in_late_binary_op also
	when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/47139
	* tree-vect-loop.c (vect_is_simple_reduction_1): Check that
	only the last reduction value is used outside the loop.  Update
	documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

	* config/rtems.opt: New.
	* config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.c (ix86_option_override_internal): Bulldozer
	processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Set parameter
	PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

2011-01-05  Jan Hubicka  <jh@suse.cz>

	* lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
	at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

	PR lto/47162
	* lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
	deltas on streamed outgoing edges.
	(output_node_opt_summary): Output info for outgoing edges only when
	the node is in new parameter set.
	(output_cgraph_opt_summary): New parameter set, passed to the two
	aforementioned functions.  Update its forward declaration and its
	callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

	* c-parser.c (c_parser_omp_atomic): Pass location of assignment
	operator to c_finish_omp_atomic.
	* c-typeck.c (lvalue_or_else): Add 'loc' argument.
	(build_unary_op): Update.
	(build_modify_expr): Update.
	(build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
	newly inserted insns.
	(pad_bb): Likewise.
	(spu_emit_branch_hint): Likewise.
	(insert_hbrp_for_ilb_runout): Likewise.
	(spu_machine_dependent_reorg): Call df_finish_pass after
	schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47005
	* tree-sra.c (struct access): Add 'non_addressable' bit.
	(create_access): Set it for a DECL_NONADDRESSABLE_P field.
	(decide_one_param_reduction): Return 0 if the parameter is passed by
	reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47056
	* cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
	(mark_load): Likewise.  Handle FUNCTION_DECL specially.
	(mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
	initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47055
	* libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas  <pth@suse.de>

	* config/microblaze/microbalse.opt (mxl-float-convert): Fix
	obvious typo.

2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* function.c (thread_prologue_and_epilogue_insns): Do not crash
	on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

	* config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
	non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

	PR driver/47137
	* gcc.c (default_compilers[]): Set combinable field to 0
	for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

	* config/mips/loongson3a.md: New file.
	* config/mips/mips.md: Include loongson3a.md.
	* config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
	TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/47017
	* expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
	instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Update error text
	for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
	if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47148
	* ipa-split.c (split_function): Convert arguments to
	DECL_ARG_TYPE if possible.

	PR tree-optimization/47155
	* tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
	when computing uns.

	PR rtl-optimization/47157
	* combine.c (try_combine): If undobuf.other_insn becomes
	(set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
	and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47021
	* graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  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.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46801
	* tree-sra.c (type_internals_preclude_sra_p): Check whether
	aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* tree-vect-generic.c (expand_vector_operations_1): When using vector/
	vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
	a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46984
	* cgraph.h (cgraph_indirect_call_info): make field thunk_delta
	HOST_WIDE_INT.
	(cgraph_create_indirect_edge): Fixed line length.
	(cgraph_indirect_call_info): Declare.
	(cgraph_make_edge_direct) Update declaration.
	* cgraph.c (cgraph_allocate_init_indirect_info): New function.
	(cgraph_create_indirect_edge): Use it.
	(cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
	callees.
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
	the new thunk_delta representation.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
	HOST_WIDE_INT.
	(ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
	(ipa_read_indirect_edge_info): Likewise.
	* lto-cgraph.c (output_edge_opt_summary): New function.
	(output_node_opt_summary): Call it on all outgoing edges.
	(input_edge_opt_summary): New function.
	(input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

	* regrename.c: Add general comment describing the pass.
	(struct du_head): Remove 'length' field.
	(get_element, merge_sort_comparison, merge, sort_du_head): Remove.
	(regrename_optimize): Do not sort chains.  Rework comments, add others.
	Force renaming to the preferred class (if any) in the first pass and do
	not consider registers that belong to it in the second pass.
	(create_new_chain): Do not set 'length' field.
	(scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47140
	* tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
	TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
	to bit_value_binop.

	PR rtl-optimization/47028
	* cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
	parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/generic.texi: Remove duplicated "@subsubsection Statements".
	Remove the word "see" before "@pxref".
	* doc/rtl.texi: Remove the word "see" before "@pxref".

2011-01-01  Jan Hubicka  <jh@suse.cz>

	* tree-loop-distribution.c (tree_loop_distribution): Do not use freed
	memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

	PR target/38662
	* tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.


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Copying and distribution of this file, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved.