2009-01-09 Jakub Jelinek PR middle-end/38771 * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR, fold_convert arg0 operands to TREE_TYPE (op0) first. 2009-01-08 Vladimir Makarov * params.def (ira-max-conflict-table-size): Decrease default value to 1000. 2009-01-08 Jakub Jelinek PR tree-optimization/37031 * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy on parameter_set. (build_access_matrix): Reserve correct size for AM_MATRIX vector, allocate it using gc instead of heap, use VEC_quick_push instead of VEC_safe_push. * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc instead of heap, use VEC_quick_push instead of VEC_safe_push. * tree-data-ref.h (struct access_matrix): Change matrix to gc allocated vector from heap allocated. * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector. * tree-loop-linear.c (linear_transform_loops): Allocate nest vector only after perfect_loop_nest_depth call. 2009-01-08 Sebastian Pop Jan Sjodin PR tree-optimization/38559 * graphite.c (debug_value, copy_constraint, swap_constraint_variables, scale_constraint_variable, ): New. (get_lower_bound, get_upper_bound): Removed. (graphite_trans_bb_strip_mine): Clean up this code that works only for constant number of iterations. Fully copy upper and lower bound constraints, not only the constant part of them. * graphite.h (debug_value): Declared. 2009-01-08 Ira Rosen PR tree-optimization/37194 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Don't add the cost of cost model guard in prologue to scalar outside cost in case of known number of iterations. 2009-01-07 Nathan Froyd Alan Modra * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for non-word-aligned REG+CONST addressing. 2009-01-07 Uros Bizjak PR target/38706 * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call free_after_compilation when outputting a thunk. (alpha_output_mi_thunk_osf): Assert that we are processing a thunk. Do not call free_after_compilation here. 2009-01-07 Uros Bizjak * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE. (ix86_valid_target_attribute_inner_p): Ditto. 2009-01-07 Jan Sjodin PR tree-optimization/38492 PR tree-optimization/38498 * tree-check.c (operator_is_linear, scev_is_linear_expression): New. * tree-chrec.h (scev_is_linear_expression): Declared. * graphite.c (graphite_cannot_represent_loop_niter): New. (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter. (graphite_loop_normal_form): Use gcc_assert. (scan_tree_for_params): Use CASE_CONVERT. (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New. (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes. Use gcc_assert. Discard scops that contain unhandled cases. (build_scop_conditions): Return a boolean status for unhandled cases. (strip_mine_profitable_p): Print the loop number, not its depth. (is_interchange_valid): Pass the depth of the loop nest, don't recompute it wrongly. (graphite_trans_bb_block): Same. (graphite_trans_bb_block): Print tentative of loop blocking. (graphite_trans_scop_block): Do not print that the loop has been blocked. (graphite_transform_loops): Do not handle scops that contain condition scalar phi nodes. 2009-01-07 H.J. Lu AVX Programming Reference (December, 2008) * config/i386/avxintrin.h (_mm256_stream_si256): New. (_mm256_stream_pd): Likewise. (_mm256_stream_ps): Likewise. * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256, IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256. (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI. (bdesc_special_args): Add __builtin_ia32_movntdq256, __builtin_ia32_movntpd256 and __builtin_ia32_movntps256. (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI. (ix86_expand_special_args_builtin): Likewise. * config/i386/sse.md (AVXMODEDI): New. (avx_movnt): Likewise. (avx_movnt): Likewise. (_movnt): Remove AVX support. (sse2_movntv2di): Likewise. 2009-01-07 Richard Guenther PR middle-end/38751 * fold-const.c (extract_muldiv): Remove obsolete comment. (fold_plusminus_mult_expr): Undo MINUS_EXPR to PLUS_EXPR canonicalization for the canonicalization. 2009-01-07 Gerald Pfeifer * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit hosted cross-compilers generating less efficient code. 2009-01-06 Richard Sandiford * function.h (rtl_data): Add a dbr_scheduled_p field. * reorg.c (dbr_schedule): Set it. (gate_handle_delay_slots): Check it. * config/mips/mips.c (mips_base_delayed_branch): Delete. (mips_reorg): Check flag_delayed_branch instead of mips_base_delayed_branch. (mips_override_options): Don't set mips_base_delayed_branch or flag_delayed_branch. 2009-01-06 Richard Sandiford PR rtl-optimization/38426. * ira.c (ira): Set current_function_is_leaf earlier. 2009-01-06 Jakub Jelinek PR rtl-optimization/38722 * combine.c (try_combine): Don't modify PATTERN (i3) and notes too early, only set a flag and modify after last possible undo_all point. 2009-01-06 Janis Johnson PR c/34252 * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN. * real.c (decimal_single_format): Correct values of emin and emax. (decimal_double_format): Ditto. (decimal_quad_format): Ditto. * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust computation of DECnn_MIN and DECnn_MAX for corrected values of emin and emax. Define __DECnn_SUBNORMAL_MIN__ instead of __DECnn_MIN__, and adjust its computation for the corrected value of emin. 2009-01-06 Jan Hubicka PR target/38744 * i386.c (ix86_expand_call): Use ARRAY_SIZE. 2009-01-06 Gerald Pfeifer * doc/contrib.texi (Contributors): Slightly adjust the end note. Add Robert Clark to the list of testers. 2009-01-06 Jan Hubicka Kai Tietz * i386.md (*msabi_syvabi): Add SSE regs clobbers. * i386.c (ix86_expand_call): Add clobbers. 2009-01-06 Jan Hubicka Kai Tietz * i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used for w64 ABI. * i386.c (struct ix86_frame): Add padding0 and nsseregs. (ix86_nsaved_regs): Count only general purpose regs. (ix86_nsaved_sseregs): New. (ix86_compute_frame_layout): Update nsseregs; set preferred alignment to 16 for w64; compute padding and size of sse reg save area. (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only general purpose regs. (ix86_emit_save_sse_regs_using_mov): New. (ix86_expand_prologue): Save SSE regs if needed. (ix86_emit_restore_regs_using_mov): Use only general purpose regs. (ix86_emit_restore_sse_regs_using_mov): New. (ix86_expand_epilogue): Save SSE regs if needed. 2009-01-06 Jan Hubicka Kai Tietz * i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI * i386.c (init_cumulative_args): Disallow calls of MSABI functions when accumulate outgoing args is off. 2009-01-06 H.J. Lu PR bootstrap/38742 * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING before using pseudos_have_intersected_live_ranges_p. * ira-int.h (ira_assert): Always define. 2009-01-06 H.J. Lu AVX Programming Reference (December, 2008) * config/i386/avxintrin.h (_mm_permute2_pd): Removed. (_mm256_permute2_pd): Likewise. (_mm_permute2_ps): Likewise. (_mm256_permute2_ps): Likewise. * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise. * config/i386/sse.md (avx_vpermil23): Likewise. * config/i386/i386.c (ix86_builtins): Remove IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256. (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT, V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT and V2DF_FTYPE_V2DF_V2DF_V2DI_INT. (bdesc_args): Remove __builtin_ia32_vpermil2pd, __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and __builtin_ia32_vpermil2ps256. (ix86_init_mmx_sse_builtins): Updated. (ix86_expand_args_builtin): Likewise. 2009-01-05 John David Anglin * pa.c (output_call): Relocate non-jump insns in the delay slot of long absolute calls when generating PA 2.0 code. 2009-01-05 Vladimir Makarov PR rtl-optimization/38583 * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro. * params.def (ira-max-conflict-table-size): New. * doc/invoke.texi (ira-max-conflict-table-size): Decribe. * ira.h (ira_conflicts_p): New external definition. * ira-conflicts.c (build_conflict_bit_table): Do not build too big table. Report this. Return result of building. (ira_build_conflicts): Use ira_conflicts_p. Check result of building conflict table. * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num. (ira_color): Use ira_conflicts_p. * global.c: Include ira.h. (pseudo_for_reload_consideration_p, build_insn_chain): Use ira_conflicts_p. * Makefile.in (global.o): Add ira.h. * ira-build.c (mark_all_loops_for_removal, propagate_some_info_from_allocno): New. (remove_unnecessary_allocnos): Call propagate_some_info_from_allocno. (remove_low_level_allocnos): New. (remove_unnecessary_regions): Add parameter. Call mark_all_loops_for_removal and remove_low_level_allocnos. Pass parameter to remove_unnecessary_regions. (ira_build): Remove all regions but root if the conflict table was not built. Update conflict hard regs for allocnos crossing calls. * ira.c (ira_conflicts_p): New global. (ira): Define and use ira_conflicts_p. * reload1.c (compute_use_by_pseudos, reload, count_pseudo, count_spilled_pseudo, find_reg, alter_reg, finish_spills, emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p. 2009-01-06 Ben Elliston * gengtype-lex.l (YY_NO_INPUT): Define. 2009-01-05 Andrew Pinski PR c/34911 * c-common.c (handle_vector_size_attribute): Also reject BOOLEAN_TYPE types. 2009-01-05 Sebastian Pop PR tree-optimization/38492 * graphite.c (rename_map_elt, debug_rename_elt, debug_rename_map_1, debug_rename_map, new_rename_map_elt, rename_map_elt_info, eq_rename_map_elts, get_new_name_from_old_name, bb_in_sese_p): Moved around. (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use. (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb. (sese_build_livein_liveouts): New. (new_sese, free_sese): New. (new_scop): Call new_sese. (free_scop): Call free_sese. (rename_variables_from_edge, rename_phis_end_scop): Removed. (register_old_new_names): Renamed register_old_and_new_names. (register_scop_liveout_renames, add_loop_exit_phis, insert_loop_close_phis, struct igp, default_liveout_before_guard, add_guard_exit_phis, insert_guard_phis, copy_renames): New. (translate_clast): Call insert_loop_close_phis and insert_guard_phis. (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge. (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts. (scop_adjust_phis_for_liveouts): New. (gloog): Call scop_adjust_phis_for_liveouts. * graphite.h (struct sese): Documented. Added fields liveout, num_ver and livein. (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New. (new_sese, free_sese, sese_build_livein_liveouts): Declared. (struct scop): Added field liveout_renames. (SCOP_LIVEOUT_RENAMES): New. 2009-01-05 Harsha Jagasia PR tree-optimization/38510 * graphite.c (recompute_all_dominators): Call mark_irreducible_loops. (translate_clast): Call recompute_all_dominators before graphite_verify. (gloog): Call recompute_all_dominators before graphite_verify. 2009-01-05 Harsha Jagasia Jan Sjodin PR tree-optimization/38500 * graphite.c (create_sese_edges): Call fix_loop_structure after splitting blocks. 2009-01-05 Joel Sherrill * config.gcc: Add m32r*-*-rtems*. * config/m32r/rtems.h: New file. 2009-01-05 Ben Elliston * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir. (.po.pox): Likewise. (po/gcc.pot): Likewise. 2009-01-04 David S. Miller * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete. (STARTING_FRAME_OFFSET): Always set to zero. 2009-01-04 Richard Sandiford * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary. * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of fixed-point types, and vectors of the same. 2009-01-04 Richard Sandiford * config/mips/sync.md (*mb_barrier): Rename to... (*memory_barrier): ...this. 2009-01-04 Jonathan Wakely * doc/extend.texi (Function Attributes): Move @cindex after @item for 'artificial' and 'flatten'. Fix grammar for 'externally_visible' and put in alphabetical order. Fix 'target' name and put in order. * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix typos. 2009-01-04 Uros Bizjak * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR. * config/sparc/sync.md (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. Remove operand 1. (*stbar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove (const_int 8). (*membar): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand, remove input operand 2. * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW. (memory_barrier): Expand as unspec instead of unspec_volatile. Remove mem:BLK from insn operands. Use Pmode scratch register. (*memory_barrier): Define as unspec instead of unspec_volatile. Use (match_dup 0) as input operand. * config/ia64/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*memory_barrier): New insn pattern. * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from insn operands. (*memory_barrier): Use (match_dup 0) as input operand. * config/mips/sync.md (memory_barrier): Redefine as expander pattern. Remove mem:BLK from insn operands. Use Pmode scratch register. Set volatile flag on operand 0. (*mb_internal): New insn pattern. * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal. 2009-01-04 Steven Bosscher PR middle-end/38586 * function.c (struct temp_slot): Move to the section of the file that deals with temp slots. Remove field 'address'. (temp_slot_address_table): New hash table of address -> temp slot. (struct temp_slot_address_entry): New struct, items for the table. (temp_slot_address_compute_hash, temp_slot_address_hash, temp_slot_address_eq, insert_temp_slot_address): Support functions for the new table. (find_temp_slot_from_address): Rewrite to use the new hash table. (remove_unused_temp_slot_addresses): Remove addresses of temp slots that have been made available. (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse, worker function for remove_unused_temp_slot_addresses. (assign_stack_temp_for_type): Don't clear the temp slot address list. Add the temp slot address to the address -> temp slot map. (update_temp_slot_address): Update via insert_temp_slot_address. (free_temp_slots): Call remove_unused_temp_slot_addresses. (pop_temp_slots): Likewise. (init_temp_slots): Allocate the address -> temp slot map, or empty the map if it is already allocated. (prepare_function_start): Initialize temp slot processing. 2009-01-04 Steven Bosscher PR middle-end/38584 * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate: Calculate the size of all stack vars assuming no packing of stack vars will happen, replacing a quadratic algorithm with a linear one. 2009-01-03 Jakub Jelinek PR target/38707 * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn can't be used. 2009-01-03 Diego Novillo * doc/contrib.texi: Update contributions. 2009-01-03 Jakub Jelinek PR c++/38705 * builtins.c (fold_builtin_memory_op): Give up if either operand is volatile. Set srctype or desttype to non-qualified version of the other type. PR c/38700 * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs and FUNCTION_DECLs. 2009-01-02 Kenneth Zadeck PR rtl-optimization/35805 * df-problems.c (df_lr_finalize): Add recursive call to resolve lr problem if fast dce is able to remove any instructions. * dce.c (dce_process_block): Fix dump message. 2009-01-02 Mark Mitchell PR 33649 * tree-ssa-pre.c (compute_antic): Correct loop bounds. 2009-01-02 Jakub Jelinek PR middle-end/38690 * tree-flow.h (op_code_prio, op_prio): New prototypes. * tree-pretty-print.c (op_code_prio): New function. (op_prio): No longer static. Use op_code_prio. * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs): Use op_prio and op_code_prio to determine if () should be printed around operand(s) or not. * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs, dump_gimple_call, dump_gimple_switch, dump_gimple_cond, dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi, dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use pp_character instead of pp_string for single letter printing. 2009-01-02 Richard Sandiford * doc/extend.texi: Fix '#pragma GCC option' typo. 2009-01-02 Richard Guenther * doc/install.texi (--enable-checking): Mention different default for stage1. (--enable-stage1-checking): Document. 2009-01-01 Andrew Pinski PR middle-end/30142 * tree-cfg.c (verify_expr): Add INDIRECT_REF case. Change MODIFY_EXPR case to be an error. 2009-01-02 Ben Elliston * config/fp-bit.h (pack_d): Constify argument. * config/fp-bit.c (makenan): Constify return type. Remove casts. (isnan): Constify argument. (isinf): Likewise. (iszero): Likewise. (pack_d): Likewise. (_fpadd_parts): Constify return type. (_fpmul_parts): Likewise. (_fpdiv_parts): Likewise. 2009-01-01 Jakub Jelinek PR c/36489 * c-typeck.c (add_pending_init): Add IMPLICIT argument. Only warn about overwriting initializer with side-effects or -Woverride-init if !IMPLICIT. (output_init_element): Likewise. Pass IMPLICIT down to add_pending_init. (process_init_element): Add IMPLICIT argument. Pass it down to output_init_element. (push_init_element, pop_init_level, set_designator): Adjust process_init_element callers. (set_nonincremental_init, set_nonincremental_init_from_string): Adjust add_pending_init callers. (output_pending_init_elements): Adjust output_init_element callers. * c-tree.h (process_init_element): Adjust prototype. * c-parser.c (c_parser_initelt, c_parser_initval): Adjust process_init_element callers.