1 2007-03-16 Vladimir Makarov <vmakarov@redhat.com>
3 * flags.h (ira_algorithm): Add IRA_ALGORITHM_MIXED.
5 * opts.c (common_handle_option): Set up IRA_ALGORITHM_MIXED from
8 * common.opt (fira-assign-after-call-split, fira-propagate-cost,
9 fira-split-around-calls): New options.
10 (fira-ipra): Switch off by default.
12 * doc/invoke.texi (-fira-algorithm): Add mixed algorithm.
13 (-fno-ira-ipra): Rename to -fira-ipra.
14 (-fno-ira-assign-after-call-split, -fira-propagate-cost,
15 -fno-ira-split-around-calls): Add new options.
17 * ira-conflicts.c (curr_reg_pressure): New variable.
18 (set_pseudo_live, clear_pseudo_live, mark_reg_store,
19 mark_reg_death): Update reg pressure.
20 (add_pseudo_copies): Decrease cost for copy with dead pseudo.
21 (process_bb_node_for_conflicts): Propagate reg pressure.
22 (build_conflict_bit_table): Call process_bb_node_for_conflicts in
24 (ira_build_conflicts): Add new coloring algorithm.
25 (ira_build_conflicts): Add flag_ira_split_around_calls.
27 * ira-emit.c (change_loop): Print allocation on the region
28 borders. Use pseudo_cap_member instead of regno.
29 (modify_move_list): Add parameter to create pseudo.
30 (ira_emit): Use pseudo_cap_member instead of regno.
32 * ira-build.c (create_loop_tree_nodes): Set up initial reg
34 (create_pseudo): Add parameter. Use the parameter value instead
36 (print_expanded_pseudo): Use pseudo_cap_member instead of regno.
37 (create_cap_pseudo, create_insn_pseudos, create_bb_pseudos,
38 create_loop_pseudos): Add argument to create_pseudo call.
39 (create_pseudos, ira_build): Process IRA_ALGORITHM_MIXED.
40 (create_loop_tree_node_caps): Create cap pseudo for all pseudos
41 not having father pseudo.
43 * final.c (rest_of_handle_final): Process INCOMING_REGNO.
45 * toplev.h (flag_ira_assign_after_call_split,
46 flag_ira_propagate_cost, flag_ira_split_around_calls): New flags.
48 * caller-save.c (save_call_clobbered_regs): Move declaration
49 this_insn_sets to the function start.
51 * ira-int.h (ira_loop_tree_node): Add reg_pressure.
52 (pseudo): More comments for regno and cap_member
53 (original_regno_call_crossed_p, ira_max_regno_before,
54 ira_max_regno_call_before): New external variables.
55 (create_pseudo): Add parameter.
56 (reassign_conflict_pseudos, debug_ira_call_data,
57 split_around_calls, get_around_calls_regno): New function
60 * ira-color.c (assign_hard_reg): Set best_hard_regno and
61 conflict_regs earlier. Check register availability earlier.
62 Ignore conflict and copy cost for PSEUDO_MAY_BE_SPILLED_P.
63 (calculate_pseudo_spill_cost): Use pseudo_cap instead of regno.
64 Check father pseudo instead of subloop pseudos.
65 (pop_pseudos_from_stack): Set up PSEUDO_ASSIGNED_P for NO_REGS
67 (print_loop_title): Print reg pressure.
68 (color_pass): Use PSEUDO_CAP_MEMBER instead of regno. Add mixed
70 (move_spill_restore): Use PSEUDO_CAP_MEMBER instead of regno. Use
71 subloop pseudos instead of father pseudo for cost calculation.
72 (setup_curr_costs, reassign_conflict_pseudos): New functions.
73 (retry_ira_color): Don't allocate call used registers when
74 flag_caller_saves or flag_ira_split_around_calls. Call
75 setup_curr_cost. Print about spilling pseudo split around calls.
76 (reuse_stack_slot): Choose the slot with minimal memory-memory
79 * ira.c (setup_reg_renumber): Add 2 parameters. Use cap_number
80 instead of regno. Initialize caller_save_needed. Make assertion
82 (setup_pseudo_assignment_from_reg_renumber): New function.
83 (calculate_allocation_cost): Add assertion.
84 (print_redundant_copies): Use cap_number instead of regno.
85 (original_regno_call_crossed_p, ira_max_regno_before,
86 ira_max_regno_call_before): New global variables.
87 (ira): Process IRA_ALGORITHM_MIXED. Set up
88 ira_max_regno_call_before and ira_max_regno_before. New arguments
89 for setup_reg_renumber. Reassign if pseudo changed its class.
90 Split pseudos around the call if necessary. Reassign if a pseudo
93 * ira.h: New year for Copyright.
95 * ira-costs.c (reg_pref): Rename to pseudo_pref.
96 (reg_pref_buffer): rename to pseudo_pref_buffer.
97 (find_pseudo_class_costs): Initialize best_cost and best_class.
98 Process IRA_ALGORITHM_MIXED. Find best cover class for regno.
99 (process_bb_node_for_hard_reg_moves): Process IRA_ALGORITHM_MIXED.
101 * Makefile.in (ira-call.o): Add new file.
103 * reload1.c (calculate_needs_all_insns): Remove unnecessary
106 * ira-call.c: New file.
108 2007-02-09 Vladimir Makarov <vmakarov@redhat.com>
110 * common.opt (fipra): Rename to fira-ipra. Make it default.
111 (fira-move-spills, fira-share-save-slots, fira-share-spill-slots):
113 * toplev.h (flag_ipra): Rename to flag_ira_ipra.
114 (flag_ira_move_spills, flag_ira_share_save_slots,
115 flag_ira_share_spill_slots): New external definitions.
116 * doc/invoke.texi (-fipra): Rename to -fno-ira-ipra.
117 (-fno-ira-move-spills, -fno-ira-share-save-slots,
118 -fno-ira-share-spill-slots): New options.
119 * function.c (get_call_invalidated_used_regs): Rename flag_ipra to
121 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Ditto.
122 * caller-save.c (setup_save_areas): Use flag_ira_share_save_slots.
123 Rename flag_ipra to flag_ira_ipra.
124 (flag_ira_share_save_slots): Use flag_ira_move_spills.
125 * ira-color.c (assign_hard_reg): Skip pseudos with different cover
127 (reuse_stack_slot): Use flag_ira_share_spill_slots.
128 * config/arm/arm.h (IRA_COVER_CLASSES): New macro.
130 2007-02-31 Vladimir Makarov <vmakarov@redhat.com>
132 * reload.h (debug_save_data): New definition.
134 * caller-save.c (struct bb_info): New.
135 (BB_INFO, BB_INFO_BY_INDEX): New macros.
136 (calculate_local_save_info, set_up_bb_rts_numbers, rpost_cmp,
137 calculate_save_in_out, calculate_save_here,
138 make_global_save_analysis, print_hard_reg_set_and_mode,
139 print_hard_reg_set, print_save_data, debug_save_data,
140 set_hard_reg_saved): New functions.
141 (save_call_clobbered_regs): Make global save analysis and use it
142 to put save/restore code.
143 (insert_one_insn): Check CODE_LABEL.
145 2007-01-19 Vladimir Makarov <vmakarov@redhat.com>
147 * toplev.h (flag_ipra): New external definition.
149 * common.opt (fipra): New option.
151 * doc/invoke.texi (-fipra); Document the option.
153 * cgraph.h (cgraph_node): New member function_used_regs.
155 * cgraph.c (cgraph_create_node): Initialize function_used_regs.
157 * final.c (update_regs_ever_live): New function.
158 (rest_of_handle_final): Set up function_used_regs and
161 * ira-build.c (ira_build): Clear function call_used_regs.
163 * function.h: Add hard-reg-set.h header.
164 (emit_status): New member call_used_regs.
165 (get_call_invalidated_used_regs): New definition.
167 * function.c (get_call, get_call_invalidated_used_regs): New
170 * Makefile.in (FUNCTION_H): Add hard-reg-set.h.
171 (caller-save.o): Add dependence on output.h and ira.h
173 * regrename.c (copyprop_hardreg_forward_1): Use function
174 get_call_invalidated_used_regs.
176 * ira-conflicts.c (process_bb_node_for_conflicts): Ditto.
178 * postreload-gcse.c (record_opr_changes,
179 reg_set_between_after_reload_p, reg_used_between_after_reload_p):
182 * postreload.c (reload_combine, reload_cse_move2add): Ditto.
184 * rtlanal.c (reg_set_between_p): Ditto.
186 * flow.c (propagate_one_insn): Ditto.
188 * df-scan.c (df_insn_refs_record): Ditto.
190 * gcse.c (compute_hash_table_work, compute_store_table): Ditto.
192 * cselib.c (cselib_process_insn): Ditto.
194 * loop-iv.c (simplify_using_assignment): Ditto.
196 * sched-deps.c (sched_analyze): Ditto.
198 * combine.c (record_dead_and_set_regs): Ditto.
200 * resource.c (mark_set_resources, mark_set_resources): Ditto.
202 * var-tracking.c (var-tracking.c): Ditto.
204 * reload1.c (reload): Ditto.
206 * cse.c (invalidate_for_call): Ditto. Add parameter.
207 (cse_insn): Pass the parameter.
209 * ira.h (try_to_migrate): Remove the definition.
210 (collect_pseudo_call_clobbered_regs): New external definition.
212 * ira-color.c (collect_pseudo_call_clobbered_regs): New function.
214 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Add cost
215 calculation when IPRA is used.
217 * caller-save.c: Include headers output.h and ira.h.
218 (saved_hard_reg): New structure.
219 (hard_reg_map, hard_reg_map, all_saved_regs): New variables.
220 (all_saved_regs, new_saved_hard_reg, finish_saved_hard_regs,
221 saved_hard_reg_compare_func): New functions.
222 (setup_save_areas): Add code for sharing stack slots.
223 (save_call_clobbered_regs): Use function
224 get_call_invalidated_used_regs.
226 2007-01-12 Vladimir Makarov <vmakarov@redhat.com>
228 * doc/tm.texi (IRA_HARD_REGNO_ADD_COST_MULTIPLIER): New macro.
230 * ira-conflicts.c (add_pseudo_copies): Add copy between output and
231 died operand pseudos.
233 * ira.c (setup_cover_classes, setup_class_translate): Define and
234 call only when IRA_COVER_CLASSES is defined.
235 (no_alloc_regs): Rename to no_unit_alloc_regs.
236 (setup_eliminable_regset): Set up no_alloc_regs.
238 * ira-costs.c (tune_pseudo_costs_and_cover_classes): Modify cost
239 if IRA_HARD_REGNO_ADD_COST_MULTIPLIER is defined.
241 * config/s390/s390.h (IRA_COVER_CLASSES,
242 IRA_HARD_REGNO_ADD_COST_MULTIPLIER(regno)): Define.
244 2006-12-22 Vladimir Makarov <vmakarov@redhat.com>
246 * rtl.h (setup_reg_classes): New function prototype.
248 * regclass.c (setup_reg_classes): New function.
250 * global.c (global_alloc): Dump information about register
253 * ira-int.h (ira_build): Change prototype signature.
255 * ira-color.c (pseudo_compare_func): Rename to
256 pseudo_priority_compare_func.
257 (priority_coloring): Dump information about register
260 * ira-build.c (ira_build): Return true if we have loops for the
263 * ira.c (setup_preferred_alternate_classes): New function.
264 (ira): Use it instead of regclass. Rebuild only if we have loops.
266 2006-12-15 Vladimir Makarov <vmakarov@redhat.com>
268 * ira.h, ira-int.h, ira.c, ira-build.c, ira-costs.c
269 ira-conflicts.c, ira-color.c, ira-emit.c: New files.
271 * flags.h (ira_algorithm): New enumeration.
272 (flag_ira_algorithm): New external variable declaration.
274 * tree-pass.h (pass_ira): New external variable declaration.
276 * toplev.c (ira.h): New include.
277 (flag_ira_algorithm): New global variable.
278 (backend_init): Call init_ira_once.
280 * toplev.h (flag_ira, flag_ira_biased_coloring): New external
281 variable declarations.
283 * regs.h (contains_reg_of_mode, move_cost, may_move_in_cost,
284 may_move_out_cost): New external variable declarations.
286 * caller-save.c (no_caller_save_reg_set): New global variable.
287 (init_caller_save): Set up no_caller_save_reg_set.
289 * global.c (eliminable_regset): Make it external.
290 (gate_handle_global_alloc): New function.
291 (pass_global_alloc): Add the gate function.
293 * opts.c (decode_options): Print the warning for -fira.
294 (common_handle_option): Process -fira-algorithm option.
296 * timevar.def (TV_IRA): New pass.
298 * hard-reg-set.h (no_caller_save_reg_set): New external variable
301 * regmove.c (regmove_optimize): Don't do replacement of output
302 operands by input operands.
303 (rest_of_handle_regmove): Don't do CFG cleanup for IRA.
305 * local-alloc.c (update_equiv_regs): Make it external. Return
306 true if jump label rebuilding should be done.
307 (gate_handle_local_alloc): New function.
308 (pass_local_alloc): Add the gate function.
310 * alias.c (stack_addr_p): New function.
311 (nonoverlapping_memrefs_p): Add code for IRA.
313 * common.opt (fira, fira-algorithm, fira-biased-coloring): New
316 * regclass.c (contains_reg_of_mode, move_cost, may_move_in_cost,
317 may_move_out_cost): Make the variables external.
319 * rtl.h (eliminable_regset): New external variable declaration.
320 (update_equiv_regs): New external function definition.
322 * Makefile.in (IRA_INT_H): New definition.
323 (OBJS-common): Add ira.o, ira-build.o, ira-costs.o,
324 ira-conflicts.o, ira-color.o, and ira-emit.o.
325 (reload1.o, toplev.o): Add dependence on ira.h.
326 (ira.o, ira-build.o, ira-costs.o, ira-conflicts.o, ira-color.o,
327 ira-emit.o): New entries.
329 * passes.c (pass_ira): New pass.
331 * reload1.c (alter_reg): Add a new parameter.
332 (pseudo_reg_compare): New function.
333 (reload): Sort pseudos for IRA. Call alter_reg with the
334 additional parameter.
335 (count_spilled_pseudo): New variable freq. Use it.
336 (alter_reg): Add code for IRA.
337 (eliminate_regs_1, finish_spills, emit_input_reload_insns,
338 delete_output_reload): Use additional parameter for alter_reg.
339 (finish_spills, emit_input_reload_insns, delete_output_reload):
340 Call mark_allocation_change.
341 (finish_spills): Call retry_ira_color.
343 * doc/invoke.texi: Describe new options -fira,
344 -fira-biased-coloring, and -fira-algorithm.
346 * doc/passes.texi: Decribe IRA.
348 * doc/tm.texi: Decribe macro IRA_COVER_CLASSES.
350 * config/sparc/sparc.h (IRA_COVER_CLASSES): New macro.
352 * config/i386/i386.h (IRA_COVER_CLASSES): Ditto.
354 * config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.
356 * config/rs6000/rs6000.h (IRA_COVER_CLASSES): Ditto.
358 Richard Henderson <rth@redhat.com>
360 * tree-pass.h (pass_lower_subreg): New external definition.
361 * toplev.h (flag_lower_subreg): New external definition.
362 * rtl.def (CONCATN): New rtl expression.
363 * dwarf2out.c (concatn_loc_descriptor): New function.
364 (loc_descriptor): Process CONCATN.
365 * timevar.def (TV_LOWER_SUBREG): New definition.
366 * emit-rtl.c (gen_reg_rtx_offset): New function.
367 (gen_lowpart_common): Process CONCATN.
368 * simplify-rtx.c (simplify_subreg): Process CONCATN.
369 * common.opt (flower-subreg): New options.
370 * rtl.h (gen_reg_rtx_offset): New external definition.
371 * Makefile.in (OBJS-common): Add lower-subreg.o.
372 (lower-subreg.o): New entry.
373 * passes.c (pass_lower_subreg): Add new pass.
374 * lower-subreg.c: New file.
376 2006-12-15 Uros Bizjak <ubizjak@gmail.com>
378 * invoke.texi (mstringop-strategy): Add missing "byte_loop" value.
380 2006-12-14 Jan Hubicka <jh@suse.cz>
382 * tree-flow.h (struct stmt_ann_d): Move bitfield references_memory
385 2006-12-14 Richard Guenther <rguenther@suse.de>
387 PR tree-optimization/30197
388 * builtins.c (fold_builtin_cexp): New function to fold cexp
389 to cexpi and exp parts.
390 * tree-ssa-pre.c (try_combine_conversion): Also handle
391 REALPART_EXPR and IMAGPART_EXPR.
393 2006-12-14 Richard Guenther <rguenther@suse.de>
396 * fold-const.c (fold_binary): Fold __complex__ ( x, 0 )
397 + __complex__ ( 0, y ) to __complex__ ( x, y ).
398 Fold __complex__ (x, y) * +-I to __complex__ (-+y, +-x).
400 2006-12-14 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/30198
403 * fold-const.c (fold_unary): Fold REALPART_EXPR of cexpi to cos.
404 Fold IMAGPART_EXPR of cexpi to sin.
406 2006-12-14 Dorit Nuzman <dorit@il.ibm.com>
407 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
409 * spu.c (TARGET_VECTORIZE_BUILTIN_MASK_FOR_LOAD): Defined.
410 (spu_init_builtins): Mark the SPU_MASK_FOR_LOAD builtin decl as read
412 (spu_expand_builtin_1): Handle the SPU_MASK_FOR_LOAD builtin.
413 (spu_builtin_mask_for_load): New.
414 * spu-builtins.def (SPU_MASK_FOR_LOAD): Define new builtin.
415 * spu.md (UNSPEC_SPU_REALIGN_LOAD, UNSPEC_SPU_MASK_FOR_LOAD):New.
416 (vec_realign_load_<mode>, spu_lvsr): New.
418 2006-12-13 Ian Lance Taylor <iant@google.com>
422 * c-typeck.c (parser_build_binary_op): Move parentheses warnings
423 to warn_about_parentheses in c-common.c.
424 * c-common.c (warn_about_parentheses): New function.
425 * c-common.h (warn_about_parentheses): Declare.
426 * doc/invoke.texi (Warning Options): Update -Wparentheses
429 2006-12-13 Zdenek Dvorak <dvorakz@suse.cz>
431 * tree-ssa-loop-ivopts.c: Include tree-affine.h.
433 (constant_multiple_of): Fix order of operators for division.
434 (aff_combination_const, aff_combination_elt, aff_combination_scale,
435 aff_combination_add_elt, aff_combination_add, aff_combination_convert,
436 tree_to_aff_combination, add_elt_to_tree, unshare_aff_combination,
437 aff_combination_to_tree): Moved to tree-affine.c and made to work with
438 double_int coefficients.
439 (get_computation_aff, get_computation_at): Work with double_int
441 (get_computation_cost_at): Do not use divide.
442 (rewrite_use_nonlinear_expr, rewrite_use_address, rewrite_use_compare):
443 Assert that expressing the computation did not fail.
444 * tree-ssa-address.c: Include tree-affine.h.
445 (add_to_parts, most_expensive_mult_to_index, addr_to_parts,
446 create_mem_ref): Work with double_int coefficients.
447 * tree-affine.c: New file.
448 * tree-affine.h: New file.
449 * tree-flow.h (struct affine_tree_combination): Removed.
450 * Makefile.in (tree-affine.o): Add.
451 (tree-ssa-address.o, tree-ssa-loop-ivopts.o): Add tree-affine.h
454 2006-12-13 Peter Bergner <bergner@vnet.ibm.com>
458 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
459 the offset == 0 "then" clauses.
460 * config/rs6000/predicates.md (gpc_reg_operand): Check for
463 2006-12-13 Uros Bizjak <ubizjak@gmail.com>
465 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 53.
466 (FIXED_REGISTERS, CALL_USED_REGISTERS): Remove dir register.
467 (REG_ALLOC_ORDER): Remove one element due to removal of dir register.
468 (FRAME_POINTER_REGNUM): Update register number to 20.
469 (REG_CLASS_CONTENTS): Update contents due to removed dir register.
470 (HI_REGISTER_NAMES): Remove "dirflag".
472 * config/i386/i386.c (regclass_map): Remove dirflag entry.
473 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
475 (ix86_md_asm_clobbers): Remove "dirflag" default asm clobber.
477 * config/i386/i386.md (R10_REG, R11_REG): Renumber.
478 (sse_prologue_save, *sse_prologue_save_insn): Renumber
479 hardcoded SSE register numbers.
481 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
482 hardcoded MMX register numbers.
485 2006-12-13 Mark Shinwell <shinwell@codesourcery.com>
487 * config/arm/arm.c (arm_output_fldmx): Output FLDMD instead of
488 FLDMX. Rename function to...
489 (vfp_output_fldmd): ...this.
490 (vfp_output_fstmx): Output FSTMD instead of FSTMX. Rename
492 (vfp_output_fstmd): ...this.
493 (vfp_emit_fstmx): Don't leave space in the frame layout for the
494 FSTMX format word. Rename function to...
495 (vfp_emit_fstmd): ...this.
496 (arm_get_vfp_saved_size): Don't add in space for the FSTMX format
498 (arm_output_epilogue): Adjust comment to reflect use of FSTMD.
499 (arm_unwind_emit_sequence): Don't compensate for the FSTMX format
500 word. Also emit "vsave" assembler directives in such cases rather
502 * config/arm/libunwind.S (gnu_Unwind_Restore_VFP,
503 gnu_Unwind_Save_VFP): Adjust comments.
504 (gnu_Unwind_Restore_VFP_D, gnu_Unwind_Save_VFP_D): New functions
505 for saving and restoring using FSTMD and FLDMD rather than
507 (gnu_Unwind_Restore_VFP_D_16_to_31, gnu_Unwind_Restore_VFP_D_16_to_31):
508 New functions for saving and restoring the VFPv3 registers 16 .. 31.
509 * config/arm/pr-support.c (gnu_unwind_execute): Add conditional
510 compilation case to correctly handle unwind opcode 0xc8 when using
512 * config/arm/unwind-arm.c (struct vfpv3_regs): New.
513 (DEMAND_SAVE_VFP_D, DEMAND_SAVE_VFP_V3): New flags.
514 (__gnu_Unwind_Save_VFP_D, __gnu_Unwind_Restore_VFP_D,
515 __gnu_Unwind_Save_VFP_D_16_to_31, __gnu_Unwind_Restore_VFP_D_16_to_31):
517 (restore_non_core_regs): Restore registers using FLDMD rather than
518 FLDMX if required. Also handle restoration of VFPv3 registers.
519 (_Unwind_VRS_Pop): Handle saving and restoring of registers using
520 FSTMD and FLDMD if required; also handle VFPv3 registers 16 .. 31,
521 including cases where the caller specifies a range of registers
522 that overlaps the d15/d16 boundary.
524 2006-12-13 Diego Novillo <dnovillo@redhat.com>
527 * tree-ssa-operands.h (SSA_OPERAND_MEMORY_SIZE): Add space to
528 accomodate 511 operands.
530 2006-12-13 Richard Guenther <rguenther@suse.de>
532 * builtins.c (expand_builtin_cexpi): Fix typo.
534 2006-12-13 Jan Hubicka <jh@suse.cz>
536 * Makefile.in: Add dependencies.
537 * tree-pretty-print.c: Include value-prof.h
538 (dump_generic_bb_buff): Dump histograms
539 * value-prof.c: Include pointer-set.h
540 (gimple_alloc_histogram_value, histogram_hash, histogram_eq,
541 set_histogram_value, gimple_histogram_value,
542 gimple_add_histogram_value, gimple_remove_histogram_value,
543 gimple_histogram_value_of_type, dump_histogram_value,
544 dump_histograms_for_stmt, gimple_remove_stmt_histograms,
545 gimple_duplicate_stmt_histograms, visit_hist,
546 verify_histograms): New functions.
547 (tree_value_profile_transformations): Update for new histogram API.
548 (tree_divmod_fixed_value): Update for new histogram API.
549 (tree_divmod_fixed_value_transform): Update for new histogram API.
550 (tree_mod_pow2): Update for new histogram API.
551 (tree_mod_pow2_value_transform): Update for new histogram API.
552 (tree_mod_subtract): Update for new histogram API.
553 (tree_mod_subtract_transform): Update for new histogram API.
554 (tree_stringops_transform): Update for new histogram API.
555 (tree_divmod_values_to_profile): Update for new histogram API.
556 (tree_stringops_values_to_profile): Update for new histogram API.
557 (tree_find_values_to_profile): Update for new histogram API.
558 * value-prof.h (gimple_histogram_value): Declare.
559 (gimple_histogram_value_of_type): Declare.
560 (gimple_add_histogram_value): Declare.
561 (gimple_remove_histogram_value): Declare.
562 (dump_histograms_for_stmt): Declare.
563 (gimple_remove_histogram_value): Declare.
564 (gimple_remove_stmt_histograms): Declare.
565 (gimple_duplicate_stmt_histograms): Declare.
566 (verify_histograms): Declare.
568 (struct funrction): Add value_histograms hash.
569 (VALUE_HISTOGRAMS): New macro.
570 * profile.c (compute_value_histograms): update for new API.
571 * tree-inline.c: Include value-prof.h
572 (copy_bb): Update histograms.
573 * tree-flow.h (struct stmt_ann_d): Do not contain pointer to histograms;
574 reorder to get smaller memory layout.
575 * tree-cfg.c: Include value-prof.h
576 (bsi_remove): Update histograms.
577 (bsi_replace): Update histograms.
578 (verify_stmts): Call histogram verifier.
579 (tree_duplicate_bb): Update histograms.
580 (move_block_to_fn): Update histograms.
582 2006-12-13 Richard Guenther <rguenther@suse.de>
584 * ipa-inline.c (cgraph_flatten_node): Replace leafify with
586 (cgraph_decide_inlining): Likewise.
588 2006-12-13 Richard Guenther <rguenther@suse.de>
590 PR tree-optimization/17687
591 * builtins.def (BUILT_IN_CEXPI, BUILT_IN_CEXPIF, BUILT_IN_CEXPIL):
592 New builtins for imaginary argument cexp.
593 * builtin-types.def (BT_FN_COMPLEX_FLOAT_FLOAT,
594 BT_FN_COMPLEX_DOUBLE_DOUBLE, BT_FN_COMPLEX_LONGDOUBLE_LONGDOUBLE):
595 New required builtin types.
596 * builtins.c (expand_builtin_cexpi): Declare.
597 (mathfn_built_in): Handle BUILT_IN_CEXPI.
598 (expand_builtin_cexpi): New static helper.
599 (expand_builtin): Call it.
600 (do_mpfr_sincos): Adjust for CEXPI evaluation.
601 (fold_builtin_sincos): New function to fold sincos to cepxi.
603 2006-12-13 Richard Guenther <rguenther@suse.de>
605 * ipa-reference.c (scan_for_static_refs): Also scan
606 tcc_comparison class trees.
608 2006-12-12 David Daney <ddaney@avtrex.com>
610 * config/mips/mips.h (ASM_OUTPUT_EXTERNAL): Undefine it before
613 2006-12-12 Andrew Pinski <pinskia@gmail.com>
615 * tree-vect-transform.c (vect_permute_load_chain):
616 Set DECL_GIMPLE_REG_P to true for the vect_perm_*
619 2006-12-13 Sa Liu <saliu@de.ibm.com>
620 Ben Elliston <bje@au.ibm.com>
622 * config/spu/spu.h (C_COMMON_OVERRIDE_OPTIONS): Define.
623 (REGISTER_TARGET_PRAGMAS): Don't zero warn_main flag.
624 * config/spu/spu-protos.h (spu_c_common_override_options):
626 * config/spu/spu-c.c (spu_c_common_override_options): New.
627 * config/spu/spu.c (spu_override_options): Whitespace fix.
629 2006-12-12 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
631 * config/spu/spu.c (cpat_info): Fix an incorrectly identified case.
633 2006-12-12 Geoffrey Keating <geoffk@apple.com>
635 * mips-tdump.c: Replace CROSS_COMPILE with
636 CROSS_DIRECTORY_STRUCTURE.
637 * mips-tfile.c: Likewise.
639 * configure.ac: Likewise.
640 * cppdefault.c: Likewise.
641 * Makefile.in: Likewise.
642 * config/alpha/osf.h: Likewise.
643 * config/i386/cygwin.h: Likewise.
644 * config/i386/beos-elf.h: Likewise.
645 * config/i386/nto.h: Likewise.
646 * config/fr30/fr30.h: Likewise.
647 * config/svr4.h: Likewise.
648 * config/rs6000/aix.h: Likewise.
649 * config/rs6000/sysv4.h: Likewise.
650 * config/pa/pa64-hpux.h: Likewise.
651 * config/pa/pa-hpux10.h: Likewise.
652 * config/pa/pa-hpux11.h: Likewise.
653 * collect2.c: Likewise.
654 * configure: Regenerate.
656 * doc/tm.texi (Alignment Output): Document that ASM_OUTPUT_SKIP
657 actually takes an unsigned HOST_WIDE_INT for its second parameter.
659 2006-12-13 Ulrich Weigand <uweigand@de.ibm.com>
661 * config/spu/spu.c (TARGET_ENCODE_SECTION_INFO): Define.
662 (spu_encode_section_info): New.
663 * config/spu/spu.h (ALIGNED_SYMBOL_REF_P): Adjust.
664 (SYMBOL_FLAG_ALIGN1): New.
666 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
669 * tree-ssa-dom.c (eliminate_degenerate_phis): Use a temporary
670 bitmap for EXECUTE_IF_SET_IN_BITMAP.
672 2006-12-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
675 * tree.h (DECL_COMPLEX_GIMPLE_REG_P): Rename to ...
676 (DECL_GIMPLE_REG_P): This.
677 * fold-const.c (fold_indirect_ref_1): Fold *(foo *)&vectorfoo into
679 * omp-low.c (omp_copy_decl_2): Use the renamed DECL_GIMPLE_REG_P.
680 * tree-gimple.c (is_gimple_reg): Use the renamed DECL_GIMPLE_REG_P
681 and check for VECTOR_TYPE.
682 * expr.c (get_inner_reference): Set the mode for BIT_FIELD_REF with
684 * tree-flow-inline.h (var_can_have_subvars): Use the renamed
686 * gimplify.c (internal_get_tmp_var): Use the renamed DECL_GIMPLE_REG_P
687 and check for VECTOR_TYPE.
688 (gimplify_bind_expr): Likewise.
689 (gimplify_function_tree): Likewise.
690 * expmed.c: Include target.h.
691 (extract_bit_field): For vector mode, try find a better mode first.
692 If that fails use gen_lowpart (for vectors only).
693 * tree-dfa.c (make_rename_temp): Use the renamed DECL_GIMPLE_REG_P
694 and check for VECTOR_TYPE.
695 * tree-ssa-pre.c (create_expressions_by_pieces): Likewise.
696 (insert_into_preds_of_block): Likewise.
697 (insert_fake_stores): Create gimple register store_tmps for
699 * tree-sra.c (sra_elt): New field, is_vector_lhs.
700 (sra_walk_expr <case BIT_FIELD_REF>): For vector types that
701 are the left hand side, set the element's is_vector_lhs to true.
702 (instantiate_element): For vector types which were on the left
703 hand size, set DECL_GIMPLE_REG_P to false.
704 * tree-nested.c (create_tmp_var_for): Use the renamed DECL_GIMPLE_REG_P. * tree-inline.c (declare_return_variable): Use the renamed
706 and check for VECTOR_TYPE.
707 (copy_decl_to_var): Use the renamed DECL_GIMPLE_REG_P.
708 (copy_result_decl_to_var): Likewise.
709 * tree-vect-transform.c (vect_get_new_vect_var): For vector types,
710 create a gimple register variable.
711 (vect_permute_store_chain): Set DECL_GIMPLE_REG_P to true for the
712 vect_inter_* temp variables.
713 * Makefile.in (expmed.o): Update dependencies.
715 2006-12-12 Peter Bergner <bergner@vnet.ibm.com>
717 * reload1.c (eliminate_regs_in_insn): Merge the plus_src "else" and
718 the offset == 0 "then" clauses.
719 * config/rs6000/predicates.md (gpc_reg_operand): Check for
722 2006-12-12 Marcin Dalecki <martin@dalecki.de>
724 * doc/passes.texi: remove docs about "redundant PHI removal".
725 * tree-pass.h: remove orphaned declaration of pass_redundant_phi,
726 remove redundant pass_partition_blocks declaration.
728 2006-12-12 Andrew Macleod <amacleod@redhat.com>
730 PR tree-optimization/30159
731 * tree-ssa-coalesce.c (coalesce_ssa_name): Process single ssa_name
732 functions in case a default_def coalesce is required.
734 2006-12-12 Jakub Jelinek <jakub@redhat.com>
737 * gthr-posix.h (_REENTRANT): Only define if __osf__ is defined.
739 * config/ia64/linux.h (CPP_SPEC): Define.
740 * config/s390/linux.h (CPP_SPEC): Define.
742 2006-12-12 Jim Wilson <wilson@specifix.com>
743 Jakub Jelinek <jakub@redhat.com>
745 PR rtl-optimization/27761
746 * combine.c (try_combine): Don't create a useless garbage SET
747 if PATTERN (i2) is a PARALLEL. If added_sets_1, save
748 PATTERN (i1) resp. SET from i1src to i1dest in i1pat
749 and use it to prevent accidental modification of i1src.
751 2006-12-12 Ira Rosen <irar@il.ibm.com>
753 * tree-vect-analyze.c (vect_analyze_data_ref_access): Add another check
754 for stores with gaps.
755 * tree-vect-transform.c (vect_permute_store_chain): Create
756 interleave_high or interleave_low according to the endianess.
758 2006-12-12 Richard Guenther <rguenther@suse.de>
761 * fold-const.c (fold_read_from_constant_string): Only fold read
762 from constant string if the result type is integer.
764 2006-12-12 Olivier Hainque <hainque@adacore.com>
766 * config/rs6000/t-vxworks: Remove assignment to LIB2FUNCS_EXTRA.
768 2006-12-12 Olivier Hainque <hainque@adacore.com>
770 * config/vxlib.c: Extract tls related routines into ...
771 * config/vxlib-tls.c: New file.
772 * config/t-vxworks: Add vxlib-tls.c to LIB2FUNCS_EXTRA.
774 2006-12-12 Sa Liu <saliu@de.ibm.com>
775 Ben Elliston <bje@au.ibm.com>
777 * config/spu/spu.opt (mfixed-range): New option.
778 * config/spu/spu.h (spu_fixed_range_string): Declare.
779 * config/spu/spu.c (spu_override_options): Handle -mfixed-range.
780 (fix_range): New function.
781 * doc/invoke.texi (SPU Options): Document -mfixed-range.
782 * testsuite/gcc.target/spu/fixed-range.c: New.
783 * testsuite/gcc.target/spu/fixed-range-bad.c: Ditto.
785 2006-12-11 H.J. Lu <hongjiu.lu@intel.com>
789 * cgraphunit.c (cgraph_optimize): Remove call to
790 process_pending_assemble_externals.
792 * config/elfos.h (ASM_OUTPUT_EXTERNAL): New.
794 * config/ia64/hpux.h (TARGET_ASM_FILE_END): Removed.
796 * config/ia64/ia64.c (ia64_asm_output_external): Rewritten.
797 (ia64_hpux_add_extern_decl): Removed.
798 (ia64_hpux_file_end): Likewise.
799 (extern_func_list): Likewise.
800 (extern_func_head): Likewise.
802 * output.h (assemble_external): Update comments.
803 (default_elf_asm_output_external): New.
804 (maybe_assemble_visibility): New.
806 * toplev.c (compile_file): Update comment.
808 * varasm.c (assemble_external): Always put it on
809 pending_assemble_externals.
810 (maybe_assemble_visibility): Make it extern and return int.
811 (default_elf_asm_output_external): New.
813 2006-12-11 Daniel Berlin <dberlin@dberlin.org>
815 * tree-ssa-structalias.c (handle_ptr_arith): Return false when we
816 can't handle the pointer arithmetic.
818 2006-12-11 Diego Novillo <dnovillo@redhat.com>
820 * doc/tree-ssa.texi: Update documentation for virtual operands
821 and the use of push_stmt_changes/pop_stmt_changes.
822 * doc/invoke.texi: Remove documentation for params
823 global-var-threshold.
824 Update documentation on max-aliased-vops.
826 * tree-into-ssa.c: Cleanup comments, variables and
827 spacing in various functions.
828 (regs_to_rename): Declare.
829 (mem_syms_to_rename): Declare.
830 (dump_update_ssa): Declare.
831 (debug_update_ssa): Declare.
832 (dump_names_replaced_by): Declare.
833 (debug_names_replaced_by): Declare.
834 (dump_def_blocks): Declare.
835 (debug_def_blocks): Declare.
836 (dump_defs_stack): Declare.
837 (debug_defs_stack): Declare.
838 (dump_currdefs): Declare.
839 (debug_currdefs): Declare.
840 (mark_def_sites): Do not handle virtual operands.
841 (compute_idf): Rename from find_idf. Update users.
842 (register_new_def): Make local. Convert second argument
844 Use BLOCK_DEFS_STACK directly.
845 If pushing a non-register, also push the underlying
847 (rewrite_stmt): Do not handle virtual operands.
848 (dump_tree_ssa): Call dump_def_blocks, dump_defs_stack,
849 dump_currdefs and dump_tree_ssa_stats.
850 (dump_tree_ssa_stats): Also dump REPL_TBL.
851 (replace_use): Remove. Update all users to call SET_USE
853 (rewrite_blocks): Move code to free memory to
855 (mark_def_site_blocks): Move initialization code to
857 (init_ssa_renamer): New.
858 (fini_ssa_renamer): New.
859 (rewrite_into_ssa): Call them.
860 (prepare_block_for_update): Process SSA_OP_ALL_USES first
861 and SSA_OP_ALL_DEFS later. Do not process virtual
863 (dump_update_ssa): Call dump_decl_set.
864 (init_update_ssa): Initialize regs_to_rename and
866 Call init_ssa_renamer.
867 (delete_update_ssa): Call fini_ssa_renamer.
868 Free blocks_with_phis_to_rewrite.
869 (mark_sym_for_renaming): If the variable has
870 sub-variables, also mark them.
871 If the variable belongs to a partition, also mark it.
872 (mark_set_for_renaming): Call mark_sym_for_renaming on
873 every symbol in the set.
874 (switch_virtuals_to_full_rewrite): Call
875 mark_set_for_renaming.
876 (update_ssa): Separate syms_to_rename into regs_to_rename
877 and mem_syms_to_rename.
879 * tree-dump.c (dump_options): Add TDF_MEMSYMS.
880 * tree-pretty-print.c (debug_generic_expr): Add TDF_MEMSYMS.
881 (debug_generic_stmt): Likewise.
882 (debug_tree_chain): Likewise.
884 (dump_generic_node): Check for TDF_MEMSYMS.
885 Handle MEMORY_PARTITION_TAG.
886 If the statement references memory and TDF_MEMSYMS is
887 given, call dump_symbols.
888 Indicate default names with (D).
889 (dump_vops): Update for new virtual operator format.
891 * tree.c (init_ttree): Add MEMORY_PARTITION_TAG to
892 tree_contains_struct.
893 (tree_code_size): Handle MEMORY_PARTITION_TAG.
894 (tree_node_structure): Likewise.
895 (needs_to_live_in_memory): Handle SSA names.
896 * tree.h (MTAG_P): Likewise.
897 (struct tree_memory_partition_tag): Declare.
898 (MPT_SYMBOLS): Define.
899 (union tree_node): Add field 'mpt'.
900 * treestruct.def (TS_MEMORY_PARTITION_TAG): Define.
901 * tree.def (MEMORY_PARTITION_TAG): Define.
903 * tree-pass.h (TDF_MEMSYMS): Define.
905 * params.h (GLOBAL_VAR_THRESHOLD): Remove.
907 * tree-ssa-alias.c: Include pointer-set.h
908 (struct alias_map_d): Remove fields total_alias_vops,
909 grouped_p and may_aliases. Update all users.
910 (struct mp_info_def): Declare.
911 (mp_info_t): New type.
912 (get_smt_for): Rename from get_tmt_for. Update all
914 (add_may_alias): Add argument ALREADY_ADDED. If given,
915 use it to avoid adding duplicate entries to alias sets.
916 (replace_may_alias): Remove. Update all users.
917 (total_alias_vops_cmp): Remove. Update all users.
918 (group_aliases_into): Remove. Update all users.
919 (tree_pointer_compare): Remove. Update all users.
920 (compact_name_tags): Remove. Update all users.
921 (group_aliases): Remove. Update all users.
922 (mark_non_addressable): Move from tree-flow-inline.h.
923 Remove the symbol from the partition holding it, if
926 (debug_mp_info): New.
928 (create_partition_for): New.
929 (rewrite_alias_set_for): New.
930 (compute_memory_partitions): New.
931 (compute_may_aliases): Call it.
932 (init_alias_info): If computing aliases for the first
933 time, mark every memory symbol for renaming.
934 (have_common_aliases_p): New.
935 (compute_flow_insensitive_aliasing): Call it.
936 (setup_pointers_and_addressables): Do not cache
938 For register promoted symbols, mark their former
939 partition for renaming.
940 (maybe_create_global_var): Only create .GLOBAL_VAR if
941 there are no call-clobbered variables and a mix of pure
942 and non-pure functions were found.
943 (may_alias_p): Tidy comments.
944 (create_tag_raw): Remove unused variable new_type.
945 (dump_alias_info): call dump_memory_partitions.
946 (dump_points_to_info_for): Call dump_decl_set.
947 (may_be_aliased): Tidy comments and formatting.
949 * timevar.def (TV_MEMORY_PARTITIONING): Define.
950 * tree-vectorizer.c (vect_memsyms_to_rename): Rename from
951 vect_vnames_to_rename. Set DECL_UIDs instead of SSA name
953 (slpeel_update_phi_nodes_for_guard1): Ignore memory PHIs.
954 * tree-vect-transform.c (vect_transform_loop): Call
955 mark_set_for_renaming with vect_memsyms_to_rename.
956 * tree-flow-inline.h (zero_imm_uses_p): New.
957 (memory_partition): New.
958 (set_memory_partition): New.
959 (factoring_name_p): New.
960 (symbol_mem_tag): New. Update every function that used
961 to access the annotation directly.
962 (set_symbol_mem_tag): Likewise.
964 * tree-ssa-copy.c (may_propagate_copy): Allow copies
965 between a partition and a symbol as long as the symbol
966 belongs to the partition.
967 (merge_alias_info): Ignore merge requests when memory
968 partitions are involved.
970 * tree-ssa.c (verify_ssa_name): Check that default
971 definitions have empty defining statements.
972 (verify_use): Remove argument IS_VIRTUAL.
973 Don't call verify_ssa_name.
974 (verify_phi_args): Call verify_ssa_name.
975 (verify_flow_insensitive_alias_info): Handle MPTs.
976 (verify_flow_sensitive_alias_info): Likewise.
977 (verify_name_tags): Likewise.
978 (verify_call_clobbering): Likewise.
979 (verify_ssa): Check for VOPs only after aliasing
980 information is available.
981 Check virtuals and real operands separately.
982 Call verify_ssa_name on every operand.
983 (stmt_references_memory_p): Move to tree-ssa-operands.c.
984 (walk_use_def_chains_1): Guard against NULL PHI
987 * tree-ssa-operands.c (stmt_references_memory_p): Move from
990 (dump_memory_partitions): New.
991 (debug_memory_partitions): New.
993 * tree-flow.h (struct var_ann_d): Add field mpt.
994 (struct stmt_ann_d): Add bitfield references_memory.
995 * Makefile.in (tree-ssa-structalias.o): Include
997 (tree-ssa-alias.o): Likewise.
998 * tree-ssa-structalias.c: (update_alias_info): Use
999 STORED_SYMS to determine which variables are being
1000 written to by the store operation.
1001 * tree-ssa-structalias.h (struct alias_info)
1002 <total_alias_vops>: Remove. Update all users.
1003 <written_vars>: Change to a pointer set. Update all
1005 <dereferenced_ptrs_store>: Likewise.
1006 <dereferenced_ptrs_load>: Likewise.
1007 (NUM_REFERENCES): Remove. Update all users.
1008 (NUM_REFERENCES_CLEAR): Remove. Update all users.
1009 (NUM_REFERENCES_INC): Remove. Update all users.
1010 (NUM_REFERENCES_SET): Remove. Update all users.
1012 * params.def (PARAM_GLOBAL_VAR_THRESHOLD): Remove.
1014 (PARAM_MAX_ALIASED_VOPS): Set to 10.
1015 * tree-ssanames.c (make_ssa_name): Initialize
1016 SSA_NAME_IS_DEFAULT_DEF to 0.
1018 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1020 * tree-ssa-dse.c (aggregate_vardecl_d): New.
1021 (dse_global_data): Add aggregate_vardecl field.
1022 (dse_possible_dead_store_p): New.
1023 Add prev_defvar variable.
1024 Allow immediate uses and previous immediate uses to differ
1025 if they are setting different parts of the whole.
1026 (get_aggregate_vardecl): New.
1027 (dse_record_partial_aggregate_store): New.
1028 (dse_whole_aggregate_clobbered_p): New.
1029 (dse_partial_kill_p): New.
1030 (dse_optimize_stmt): Abstract code checking a possible dead store
1031 into new function dse_possible_dead_store_p().
1032 Call dse_maybe_record_aggregate_store().
1033 When checking whether a STMT and its USE_STMT refer to the
1034 same memory address, check also for partial kills that clobber
1036 Move some variable definitions to the block where they are used.
1037 (aggregate_vardecl_hash): New.
1038 (aggregate_vardecl_eq): New.
1039 (aggregate_vardecl_free): New.
1040 (aggregate_whole_store_p): New.
1041 (tree_ssa_dse): Initialize and free aggregate_vardecl.
1042 Mark which aggregate stores we care about.
1044 2006-12-11 Andrew Macleod <amacleod@redhat.com>
1046 * tree-ssa-operands.h (struct vuse_element_d): Declare.
1047 (vuse_element_t): Declare.
1048 (struct vuse_vec_d): Declare.
1049 (vuse_vec_p): Declare.
1050 (VUSE_VECT_NUM_ELEM): Define.
1051 (VUSE_VECT_ELEMENT_NC): Define.
1052 (VUSE_ELEMENT_PTR_NC): Define.
1053 (VUSE_ELEMENT_VAR_NC): Define.
1054 (VUSE_VECT_ELEMENT): Define.
1055 (VUSE_ELEMENT_PTR): Define.
1056 (VUSE_ELEMENT_VAR): Define.
1057 (struct maydef_optype_d) <use_var>: Remove.
1060 (struct vuse_optype_d) <kill_var>: Remove.
1063 (struct mustdef_optype_d) <kill_var>: Remove.
1066 (VUSE_OP_PTR): Add argument. Use VUSE_ELEMENT_PTR.
1067 (VUSE_OP): Add argument. Use VUSE_ELEMENT_PTR.
1069 (VUSE_VECT): Define.
1070 (MAYDEF_OP_PTR): Add argument. Use VUSE_OP_PTR.
1071 (MAYDEF_OP): Add argument. Use VUSE_OP.
1072 (MAYDEF_NUM): Define.
1073 (MAYDEF_VECT): Define.
1074 (MUSTDEF_KILL_PTR): Use VUSE_OP_PTR.
1075 (MUSTDEF_KILL): Use VUSE_OP.
1076 (MUSTDEF_NUM): Define.
1077 (MUSTDEF_VECT): Define.
1078 (realloc_maydef): Declare.
1079 (realloc_vuse): Declare.
1080 (struct ssa_operand_iterator_d) <vuse_index>: Add.
1081 <mayuse_index>: Add.
1082 (LOADED_SYMS): Define.
1083 (STORED_SYMS): Define.
1084 (FOR_EACH_SSA_MUSTDEF_OPERAND): Call op_iter_next_mustdef.
1085 * tree-into-ssa.c: Adapt for multi-operand V_MAY_DEF and VUSE
1087 * tree-pretty-print.c: Likewise.
1088 * tree-ssa-dse.c: Likewise.
1089 * tree-flow-inline.h: Likewise.
1090 (op_iter_next_mustdef): New.
1091 * tree-ssa-operands.c: Likewise.
1092 (ALLOC_OPTYPE): Remove.
1096 (alloc_maydef): New.
1098 (alloc_mustdef): New.
1099 (realloc_maydef): New.
1100 (realloc_vuse): New.
1102 2006-12-11 Aldy Hernandez <aldyh@redhat.com>
1104 * tree-ssa-operands.c: Remove build_v_must_defs.
1105 (init_ssa_operands): Delete build_v_must_defs.
1106 (finalize_ssa_v_must_def_ops): Remove.
1107 (finalize_ssa_v_must_defs): Remove.
1108 (finalize_ssa_stmt_operands): Do not call
1109 finalize_ssa_v_must_defs.
1110 (start_ssa_stmt_operands): Do not check build_v_must_defs.
1111 (append_v_must_def): Delete.
1112 (copy_virtual_operands): Do not copy V_MUST_DEFs.
1113 (get_modify_expr_operands): Remove reference to V_MUST_DEF from
1114 comment. Remove opf_kill_def.
1115 (build_ssa_operands): Remove references to v_must_defs.
1116 (copy_virtual_operands): Same.
1117 (copy_virtual_operands): Same.
1118 (fini_ssa_operands): Same.
1119 (free_ssa_operands): Same.
1120 (add_mustdef_op): Remove.
1121 Remove mustdef_optype_p.
1122 (alloc_mustdef): Remove.
1123 Remove references to V_MUST_DEFs in comment at top of file.
1124 (get_expr_operands): Remove opf_kill_def.
1125 (opf_kill_def): Remove.
1126 (add_virtual_operand): Remove opf_kill_def.
1127 (get_indirect_ref_operands): Same.
1128 (get_tmr_operands): Same.
1130 * tree-vectorizer.c (rename_variables_in_bb): Remove
1133 * tree-ssa-loop-manip.c (find_uses_to_rename_stmt): Remove
1135 (check_loop_closed_ssa_stmt): Same.
1137 * tree-ssa.c (verify_def): Remove V_MUST_DEF from comment.
1139 (verify_ssa): Remove V_MUST_DEFs traces.
1140 (verify_ssa): Remove SSA_OP_ALL_KILLS.
1142 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTDEF to
1144 (rewrite_update_stmt): Remove SSA_OP_VIRTUAL_KILLS.
1145 (rewrite_stmt): Remove SSA_OP_ALL_KILLS.
1147 * tree-ssa-operands.h (struct stmt_operands_d): Remove V_MUST_DEF
1149 (MUSTDEF_OPS): Remove.
1150 (SSA_OP_VMUSTDEF): Remove.
1151 (FOR_EACH_SSA_MUSTDEF_OPERAND): Remove.
1152 (struct mustdef_optype_d): Remove.
1153 Remove mustdef_optype_p.
1154 (struct stmt_operands_d): Remove mustdef_ops.
1155 (ssa_operand_iterator_d): Remove mustdefs and mustkills.
1156 (SSA_OP_VIRTUAL_DEFS): Remove SSA_OP_VMUSTDEF.
1157 (MUSTDEF_RESULT_PTR): Remove.
1158 (MUSTDEF_RESULT): Remove.
1159 (MUSTDEF_KILL_PTR): Remove.
1160 (MUSTDEF_KILL): Remove.
1161 (MUSTDEF_NUM): Remove.
1162 (MUSTDEF_VECT): Remove.
1163 (SSA_OP_VIRTUAL_KILLS): Remove.
1164 (SSA_OP_ALL_VIRTUALS): Remove SSA_OP_VIRTUAL_KILLS.
1165 (SSA_OP_VMUSTKILL): Remove.
1166 (SSA_OP_ALL_KILLS): Remove.
1167 (SSA_OP_ALL_OPERANDS): Remove SSA_OP_ALL_KILLS.
1169 * tree-flow-inline.h (op_iter_init_def): Remove
1170 SSA_OP_VIRTUAL_KILLS.
1171 (delink_stmt_imm_use): Remove SSA_OP_ALL_KILLS.
1173 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1174 SSA_OP_VIRTUAL_KILLS.
1176 * tree-ssa-loop-im.c (determine_max_movement): Remove
1177 SSA_OP_VIRTUAL_KILLS.
1178 (gather_mem_refs_stmt): Same.
1179 (gather_mem_refs_stmt): Same.
1181 * tree-ssa-dce.c (mark_really_necessary_kill_operand_phis): Delete.
1182 (perform_tree_ssa_dce): Remove call to
1183 mark_really_necessary_kill_operand_phis.
1185 * tree-flow-inline.h (op_iter_init): Remove setting of mustdefs
1187 (op_iter_next_use): Do not check mustkills.
1188 (op_iter_next_def): Do not check mustdefs.
1189 (op_iter_next_tree): Do not check mustkills or mustdefs.
1190 (clear_and_done_ssa_iter): Do not set mustdefs or mustkills.
1191 (op_iter_next_maymustdef): Do not check mustkills.
1192 (op_iter_init_must_and_may_def): Remove SSA_OP_VMUSTKILL.
1193 (op_iter_init_mustdef): Remove.
1195 * tree-ssa-live.c (create_ssa_var_map): Change SSA_OP_VMUSTDEF to
1198 * tree-ssa-dse.c (dse_optimize_stmt): Remove SSA_OP_VMUSTDEF.
1200 * tree-ssa-ccp.c: Remove V_MUST_DEF traces from comments.
1201 (visit_assignment): Same.
1203 * tree-ssa-copy.c (copy_prop_visit_assignment): Same.
1205 * tree-sra.c (mark_all_v_defs_1): Remove V_MUST_DEF from comment.
1207 * tree-outof-ssa.c (check_replaceable): Remove SSA_OP_VMUSTDEF.
1209 * tree-pretty-print.c (dump_vops): Remove printing of V_MUST_DEF.
1210 Remove kill_p variable.
1212 * tree-dfa.c (struct dfa_stats_d): Remove num_v_must_defs.
1213 (dump_dfa_stats): Remove code related to V_MUST_DEFs.
1214 (collect_dfa_stats_r): Do not set num_v_must_defs.
1215 (mark_new_vars_to_rename): Remove v_must_defs_{before,after}
1218 * tree-into-ssa.c (mark_def_sites): Change SSA_OP_VMUSTKILL to
1221 * tree-ssa-pre.c (compute_rvuse_and_antic_safe): Remove
1222 SSA_OP_VMUSTDEF and SSA_OP_VMUSTKILL.
1224 * tree-ssa-propagate.c (stmt_makes_single_store): Remove
1227 2006-12-11 Zdenek Dvorak <dvorakz@suse.cz>
1229 PR rtl-optimization/30113
1230 * loop-iv.c (implies_p): Require the mode of the operands to be
1233 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1235 * tree-ssa-operands.h (create_ssa_artificial_load_stmt):
1236 Rename from create_ssa_artficial_load_stmt. Update all users.
1237 * tree-into-ssa.c (register_new_def): Make static.
1238 * tree.c (is_global_var): Handle SSA_NAMEs.
1239 * tree.h (SSA_NAME_IS_DEFAULT_DEF): Define. Update all users
1240 that used to call gimple_default_def.
1241 * tree-ssa-operands.c (push_stmt_changes): New.
1242 (pop_stmt_changes): New. Update every pass that modifies
1243 statements to bracket modifications with
1244 push_stmt_changes/pop_stmt_changes.
1245 (discard_stmt_changes): New.
1246 * tree-ssa-dom.c (stmts_to_rescan): Change to stack of
1247 'tree *' instead of 'tree'. Update all users.
1248 * tree-flow-inline.h (zero_imm_uses_p): New.
1249 (symbol_mem_tag): New. Update every function that used
1250 to access the annotation directly.
1251 (set_symbol_mem_tag): Likewise.
1252 * tree-dfa.c (dump_variable): Always show the escape mask.
1253 (mark_symbols_for_renaming): Rename from
1254 mark_new_vars_to_rename. Update all users.
1255 Only mark to rename naked symbols in real and virtual
1258 2006-12-11 Andreas Schwab <schwab@suse.de>
1260 * varasm.c (elf_record_gcc_switches): Cast second argument of
1261 ASM_OUTPUT_SKIP to unsigned HOST_WIDE_INT.
1263 2006-12-11 Diego Novillo <dnovillo@redhat.com>
1265 * tree-scalar-evolution.c (scev_const_prop):
1266 * tree-phinodes.c (remove_phi_node): Add argument
1267 RELEASE_LHS_P. If given, release the SSA name on the LHS of
1270 * tree-ssa-dce.c: Remove forward declarations for static
1271 functions. Re-arrange functions bodies as needed.
1272 (find_obviously_necessary_stmts): Never mark PHI nodes as
1273 obviously necessary.
1275 2006-12-11 Carlos O'Donell <carlos@codesourcery.com>
1277 * config/arm/elf.h (MAX_OFILE_ALIGNMENT): Remove definition.
1279 2006-12-11 Jan Hubicka <jh@suse.cz>
1281 * value-prof.c (tree_stringops_transform): New.
1282 (tree_value_profile_transformations): Require count to be non-zero;
1283 call stringop transform; reset stmt BSI after BB changed.
1284 (tree_divmod_fixed_value, tree_mod_pow2): Don't emit unnecesary label.
1285 (interesting_stringop_to_profile_p, tree_stringop_fixed_value): New.
1286 (tree_stringops_values_to_profile): New.
1287 (tree_values_to_profile): Call tree_stringops_values_to_profile.
1288 * tree.h (build_string_literal): Tidy prototype.
1289 (validate_arglist, builtin_memset_read_str, get_pointer_alignment):
1291 * builtins.c (validate_arglist, builtin_memset_read_str,
1292 get_pointer_alignment): Export.
1294 2006-12-11 Uros Bizjak <ubizjak@gmail.com>
1298 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1300 * config/i386/i386.opt: New target option -mx87regparm.
1302 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno,
1303 float_in_x87: Add new variables. mmx_words, sse_words: Remove.
1304 (X87_REGPARM_MAX): Define.
1306 * config/i386/i386.c (override_options): Error out for
1307 -mx87regparm but no 80387 support.
1308 (ix86_attribute_table): Add x87regparm.
1309 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1310 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1311 (ix86_function_x87regparm): New function.
1312 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1314 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1316 (function_arg_advance): Process x87_nregs and x87_regno when
1317 floating point argument is to be passed in 80387 register.
1318 (function_arg): Pass XFmode arguments in 80387 registers for local
1319 functions. Pass SFmode and DFmode arguments to local functions
1320 in 80387 registers when flag_unsafe_math_optimizations is set.
1322 * reg-stack.c (convert_regs_entry): Disable NaN load for
1323 stack registers that are used for argument passing.
1325 * doc/extend.texi: Document x87regparm function attribute.
1326 * doc/invoke.texi: Document -mx87regparm.
1328 2006-12-11 Jan Hubicka <jh@suse.cz>
1330 Move all varpool routines out of cgraph/cgraphunit to varpool.c
1331 * cgraph.c: Update comments.
1332 (cgraph_varpool_hash,
1333 cgraph_varpool_nodes, cgraph_varpool_last_needed_node
1334 cgraph_varpool_node_name, cgraph_varpool_node,
1335 cgraph_varpol_mode_for_asm, cgraph_varpool_mark_needed_node,
1336 cgraph_variable_initializer_availability): Move to
1337 varpool.c and drop cgraph_ prefixes.
1338 (cgraph_varpool_enqueue_needed_node, cgraph_varpool_reset_queue,
1339 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_finalize_decl):
1340 move to varpool.c; drop cgraph_ prefix; make static.
1341 (dump_cgraph_varpool_node): Move to varpool.c under name
1343 (dump_varpool, hash_varpool_node, eq_varpool_node,
1344 decide_is_variable_needed): Move to varpool.c
1345 (decl_assembler_name_equal): Move to tree.c.
1346 (availability_names): Rename to ...
1347 (cgraph_availability_names): ... this one.
1348 (dump_cgraph_node): Update.
1349 * cgraph.h: Reorder declarations now in varpool.c
1350 (cgraph_vailablity_names): Declare.
1351 (struct cgraph_varpool_node): Rename to ...
1352 (struct varpool_node): ... this one.
1353 (cgraph_varpool_first_unanalyzed_node, cgraph_varpool_nodes_queue,
1354 cgraph_varpool_first_unanalyzed_node, cgraph_varpool_node,
1355 cgraph_varpool_node_for_asm, cgraph_varpool_mark_needed_node,
1356 cgraph_varpool_finalize_decl, cgraph_varpool_enqueue_needed_node,
1357 cgraph_varpool_reset_queue, cgraph_varpool_assemble_pending_decls,
1358 cgraph_variable_initializer_availability): Rename to ...
1359 (varpool_first_unanalyzed_node, varpool_nodes_queue,
1360 varpool_first_unanalyzed_node, varpool_node,
1361 varpool_node_for_asm, varpool_mark_needed_node,
1362 varpool_finalize_decl, varpool_enqueue_needed_node,
1363 varpool_assemble_pending_decls, variable_initializer_availability):
1365 * tree.c (decl_assembler_name_equal): Move here from cgraph.c.
1366 * tree.h (decl_assembler_name_equal): Declare.
1367 * omp-low.c (lower_omp_critical): Update.
1368 * ipa-reference (analyze_variable, static_execute): Likewise.
1369 * toplev.c (wrapup_global_declaration_2, compile_file): Update.
1370 * cgraphunit.c: Update comments.
1371 (cgraph_varpool_assembled_nodes_queue): Move to varpool.c under name
1372 varpool_assembled_nodes_queue.
1373 (cgraph_varpool_analyze_pending_decls): Move to varpool.c under name
1374 varpool_analyze_pending_decls.
1375 (cgraph_varpool_remove_unreferenced_decls): Move to varpool.c under name
1376 varpool_remove_unreferenced_decls.
1377 (record_reference): Update.
1378 (cgraph_create_edges): Update.
1379 (record_referneces_in_initializer): New function.
1380 (cgraph_varpool_assemble_decl): Move to varpool.c under name
1381 varpool_assemble_decl; make global.
1382 (cgraph_varpool_assemble_pending_decls): Move to varpool.c under name
1383 varpool_assemble_pending_decls.
1384 (process_function_and_variable_attributes, cgraph_finalize_compilation_unit,
1385 struct cgraph_order_sort, cgraph_output_in_order,
1386 cgraph_function_and_variable_invisibility, cgraph_optimize,
1387 cgraph_increase_alignment): Update.
1388 * dwarf2out.c (decls_for_scope): Likewise.
1389 * ipa-type-escape.c (analyze_variable, type_escape_execute): Likewise.
1390 * except.c (output_ttype): Likewise.
1391 * varasm.c (mark_decl_referenced): Likewise.
1392 (find_decl_and_mark_referenced, assemble_alias): update.
1393 * Makefile.in: Add varpool.c, gt-varpool.c and remove gt-cgraphunit.c
1394 * passes.c (rest_of_decl_compilation): Update.
1396 2006-12-11 Ira Rosen <irar@il.ibm.com>
1398 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Use
1399 GIMPLE_STMT_OPERAND.
1400 * tree-vect-transform.c (vect_permute_store_chain): Likewise.
1401 (vect_setup_realignment): Likewise.
1403 2006-12-11 Sa Liu <saliu@de.ibm.com>
1404 Ben Elliston <bje@au.ibm.com>
1406 * config/spu/spu-elf.h (STARTFILE_SPEC): Update.
1407 (ENDFILE_SPEC): Likewise.
1408 * config/spu/spu.opt (mstdmain): New option.
1409 * config/spu/crti.asm: Remove.
1410 * config/spu/crtn.asm: Likewise.
1411 * config/spu/crt0.c: Likewise.
1412 * config/spu/crtend.c: Likewise.
1413 * config/spu/t-spu-elf (EXTRA_MULTILIB_PARTS): Remove crt0 files
1415 ($(T)crti.o, $(T)crtn.o, $(T)crt1.o, $(T)crtend1.o): Remove.
1416 * doc/invoke.texi (SPU Options): Document -mstdmain.
1418 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1420 * doc/loop.texi: Document number_of_latch_executions and
1421 number_of_cond_exit_executions.
1422 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1423 chrec_is_positive, number_of_iterations_for_all_loops,
1424 scev_const_prop): Use number_of_latch_executions.
1425 (set_nb_iterations_in_loop): Do not increase the value of the
1426 number of iterations.
1427 (number_of_iterations_in_loop): Renamed to ...
1428 (number_of_latch_executions): ... this.
1429 (number_of_exit_cond_executions): New function.
1430 * tree-scalar-evolution.h (number_of_iterations_in_loop): Declaration
1432 (number_of_latch_executions, number_of_exit_cond_executions): Declare.
1433 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables): Use
1434 number_of_latch_executions.
1435 * tree-data-ref.c (get_number_of_iters_for_loop): Use
1436 number_of_exit_cond_executions.
1437 * tree-vect-analyze.c (vect_get_loop_niters): Ditto.
1438 * cfgloop.h (struct loop): Improve description of the nb_iterations
1441 2006-12-10 Daniel Berlin <dberlin@dberlin.org>
1443 * tree-ssa-alias.c (compact_name_tags): Use sort_tags_by_id.
1444 (tree_pointer_compare): Remove.
1446 2006-12-10 Zdenek Dvorak <dvorakz@suse.cz>
1448 * tree-vrp.c (adjust_range_with_scev): Use get_chrec_loop.
1449 * loop-unswitch.c (unswitch_loops): Use FOR_EACH_LOOP.
1450 * tree-loop-linear.c (linear_transform_loops): Ditto.
1451 * tree-ssa-loop-im.c (determine_lsm): Ditto.
1452 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
1453 free_numbers_of_iterations_estimates): Ditto.
1454 * tree_ssa_unswitch_loops (tree_ssa_unswitch_loops): Ditto.
1455 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
1456 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
1457 * modulo-sched.c (sms_schedule): Ditto.
1458 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables,
1459 tree_unroll_loops_completely): Ditto.
1460 * predict.c (predict_loops): Ditto.
1461 * tree-if-conv.c (main_tree_if_conversion): Ditto.
1462 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
1463 decide_unrolling_and_peeling): Ditto.
1464 * cfgloopmanip.c (unloop): Use delete_loop.
1465 (place_new_loop): Access larray vector instead of parray.
1466 (create_preheaders, force_single_succ_latches,
1467 fix_loop_structure): Use FOR_EACH_LOOP and delete_loop..
1468 * loop-doloop.c (doloop_optimize_loops): Ditto.
1469 * loop-invariant.c (move_loop_invariants): Ditto.
1470 * tree-cfg.c (replace_uses_by): Ditto.
1471 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Ditto.
1472 * tree-chrec.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1474 * tree.h (CHREC_VAR, CHREC_LEFT, CHREC_RIGHT, CHREC_VARIABLE):
1476 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop,
1477 compute_overall_effect_of_inner_loop, chrec_is_positive): Use
1478 get_loop and get_chrec_loop.
1479 (number_of_iterations_for_all_loops): Use number_of_loops.
1480 (scev_initialize, scev_reset, scev_const_prop): Use FOR_EACH_LOOP.
1481 * tree-scalar-evolution.h (get_chrec_loop): New inline function.
1482 * cfgloopanal.c (mark_irreducible_loops): Use number_of_loops,
1484 * tree-chrec.c (evolution_function_is_invariant_rec_p,
1485 chrec_convert_1): Use get_loop and get_chrec_loop.
1486 * loop-init.c (loop_optimizer_init): Use number_of_loops.
1487 (loop_optimizer_init): Use FOR_EACH_LOOP.
1488 * tree-vectorizer.c (vect_loops_num): Removed.
1489 (vectorize_loops): Store number of loops locally. Use
1490 FOR_EACH_LOOP and get_loop.
1491 * tree-vectorizer.h (vect_loops_num): Removed.
1492 * tree-data-ref.c (get_number_of_iters_for_loop): Use get_loop.
1493 (find_data_references_in_loop): Do not set parallel_p.
1494 * tree-data-ref.h: Do not declare VEC(loop_p).
1495 * cfgloop.c (flow_loops_dump, mark_single_exit_loops,
1496 verify_loop_structure): Use FOR_EACH_LOOP.
1497 (flow_loops_free): Use FOR_EACH_LOOP, free larray vector.
1498 (initialize_loops_parallel_p): Removed.
1499 (flow_loops_find): Push the loops into a vector.
1500 (delete_loop): New function.
1501 (cancel_loop): Use delete_loop.
1502 * cfgloop.h: Declare VEC(loop_p).
1503 (struct loop): Remove parallel_p field.
1504 (struct loops): Replace num and parray field by larray vector.
1505 Remove shared_headers field.
1506 (delete_loop): Declare.
1507 (get_loop, get_loops, number_of_loops, fel_next, fel_init,
1508 FOR_EACH_LOOP): New.
1509 * doc/loop.tex: Document new accessor functions.
1511 2006-12-10 Andrew MacLeod <amacleod@redhat.com>
1513 * common.opt (-ftree-lrs): Remove live range splitting option.
1514 * makefile.in: Add tree-ssa-coalesce.o and reduce header dependancies.
1515 * opts.c (decode_options): Remove flag_tree_live_range_split.
1516 * tree-flow.h (struct var_ann_d): Rename fields from root_ to base_.
1517 * tree-flow-inline.h (single_imm_use_p): New. Check for single use.
1518 * tree-outof-ssa.c: Remove header files which aren't needed.
1519 (SSANORM_*): Remove flags.
1520 (print_exprs_edge, coalesce_abnormal_edges, coalesce_phi_operands,
1521 coalesce_result_decls_and_copies, coalesce_asm_operands): Remove.
1522 (coalesce_ssa_name): Move to tree-ssa-coalesce.c.
1523 (assign_vars): Use Basevar instead of root_var structure.
1524 (replace_def_variable): Dont do anything if def is replaceable.
1525 (remove_ssa_form): Integrate functional changes.
1526 (rewrite_out_of_ssa): Remove live-range_split option.
1527 * tree-ssa-coalesce.c: New File for ssa-name coalescing.
1528 (coalesce_cost): Calculate the cost of a coalesce.
1529 (coalesce_cost_bb): Calculate the coalesce cost within a BB.
1530 (coalesce_cost_edge): Calculate the coalesce cost on an edge.
1531 (pop_cost_one_pair): Remove the best coalesce with cost 1 from the list.
1532 (pop_best_coalesce): Remove the best coalesce from the list.
1533 (coalesce_pair_map_hash): Calculate coalesce pair hash.
1534 (coalesce_pair_map_eq): Compare 2 coalesce pairs for hash function.
1535 (create_coalesce_list): Create a coalesce list object.
1536 (delete_coalesce_list): Free a coalesce list object.
1537 (find_coalesce_pair): Find matching pair in the coalesce list.
1538 (add_cost_one_coalesce): Add a coalesce to the "cost one" list.
1539 (add_coalesce): Add a coalesce to the coalesce list.
1540 (compare_pairs): Comparision function to determine pair sorted order.
1541 (num_coalesce_pairs): Number of coalesced pairs.
1542 (first_coalesce_pair, end_coalesce_pair_p, next_coalesce_pair):
1543 Coalesce pair iterator functions.
1544 (sort_coalesce_list): Sort coalesce pairs in order of expense.
1545 (dump_coalesce_list): Show coalesce list.
1546 (ssa_conflicts_new): Create an SSA conflict graph.
1547 (ssa_conflicts_delete): Delete an SSA conflict graph.
1548 (ssa_conflicts_test_p): Test for conflicts.
1549 (ssa_conflicts_add_one): Add a single conflict.
1550 (ssa_conflicts_add): Add a conflict pair.
1551 (ssa_conflicts_merge): Merge conflicts.
1552 (struct live_track_d): Struct for tracking live partitions.
1553 (new_live_track): Create new live_track object.
1554 (delete_live_track): Delete a live_track object.
1555 (live_track_remove_partition): Remove a partition from the live list.
1556 (live_track_add_partition): Add a partition from the live list.
1557 (live_track_clear_var): Take VAR from the live list.
1558 (live_track_live_p): Is var live?
1559 (live_track_process_use): Make var come alive.
1560 (live_track_process_def): Make var go dead, add conflicts.
1561 (live_track_init): Initialize to a live on exit set.
1562 (live_track_clear_base_vars): Clear live partitions.
1563 (build_ssa_conflict_graph): Build a conflict graph.
1564 (print_exprs): Common debug output routine.
1565 (abnormal_corrupt): Output info about a failed coalesce across an
1567 (fail_abnormal_edge_coalesce): Output info about a failed MUST_COALESCE.
1568 (create_outofssa_var_map): Create a var map and coalesce list.
1569 (attempt_coalesce): Coalesce a pair.
1570 (coalesce_partitions): Coalesce all pairs in a coalesce list.
1571 (coalesce_ssa_name): Entry point. Determine what ssa_names to coalesce.
1572 * tree-ssa-live.c: Remove header files which aren't needed.
1573 (var_map_base_init): New. Initialize a basevar list.
1574 (var_map_base_fini): New. Finish a basevar list.
1575 (init_var_map): Initialize new fields.
1576 (delete_var_map): Free new fields.
1577 (var_union): Use renamed fields.
1578 (compact_var_map): Remove.
1579 (partition_to_view_init): Use renamed fields, change order of an if.
1580 (partition_view_fini): Use renamed fields.
1581 (partition_view_normal): Create basevar list if requested.
1582 (partition_view_bitmap): Create a view based on a bitmap of partitions.
1583 (change_partition_var): Use renamed fields.
1584 (create_ssa_var_map): Remove.
1585 (tpa_init, tpa_remove_partition, tpa_delete, tpa_compact,
1586 root_var_init): Remove.
1587 (partition_pair_map_hash, partition_pair_map_eq, create_coalesce_list,
1588 delete_coalesce_list, find_partition_pair, coalesce_cost, add_coalesce,
1589 compare_pairs, num_coalesce_pairs, first_partition_pair,
1590 end_partition_pair_p, next_partition_pair, sort_coalesce_list,
1591 pop_best_coalesce, add_conflicts_if_valid, set_if_valid,
1592 build_tree_conflict_graph, coalesce_tpa_members, dump_coalesce_list,
1593 tpa_dump): Moved to tree-ssa-coalesce.c and/or renamed there.
1594 (dump_var_map): Use renamed fields.
1595 * tree-ssa-live.h (struct _var_map): Modify fields.
1596 (partition_to_var, version_to_var, var_to_partition): Use renamed
1598 (basevar_index): New. Index of the base variable of a partition.
1599 (num_basevars): New. Number of unique base variables in partition map.
1600 (register_ssa_partition): Use renamed fields.
1601 (struct tree_partition_associator_d): Remove.
1602 (tpa_num_trees, tpa_tree, tpa_first_partition, tpa_next_partition,
1603 tpa_find_tree, tpa_decompact, root_var_init, root_var_num,
1604 root_var, root_var_first_partition, root_var_next_partition,
1605 root_var_dump, root_var_delete, root_var_remove_partition,
1606 root_var_find, root_var_compact, root_var_decompact): Remove.
1607 (struct partition_pair, struct coalesce_list_d): Moved to
1609 * tree-ssa-ter.c: Remove header files which aren't needed.
1611 2006-12-10 Steven Bosscher <steven@gcc.gnu.org>
1613 * cse.c: (struct cse_basic_block_data): Remove LAST field.
1614 (struct branch_path): Remove BRANCH and TAKEN fields. Add new
1616 (cse_visited_basic_blocks): New static bitmap.
1617 (cse_end_of_basic_block, cse_basic_block): Remove.
1618 (cse_find_path, cse_dump_path, cse_prescan_path,
1619 cse_extended_basic_block): New static functions.
1620 (cse_insn): Don't CSE over setjmp calls. Use the CFG to find
1621 basic block boundaries. Don't record jump equivalences here.
1622 Update the CFG after doing in-place replacement of the SET_SRC.
1623 (cse_main): Rewrite. Look for extended basic block headers
1624 and call cse_extended_basic_block on them until all paths that
1625 start at this header are exhausted.
1626 (rest_of_handle_cse): Verify that the CFG is incrementally updated
1627 and correct after cse_main.
1628 Don't call delete_trivially_dead_insns, let cfgcleanup do that.
1629 (rest_of_handle_cse2): Verify the CFG here, too, after cse_main.
1630 (pass_cse): Add TODO_verify_flow.
1631 (pass_cse2): Likewise.
1633 2006-12-10 Rask Ingemann Lambertsen <rask@sygehus.dk>
1635 * reload1.c (choose_reload_regs): Don't set byte offset when
1636 resolving subregs of hard regs.
1638 2006-12-09 Zack Weinberg <zackw@panix.com>
1640 * c-opts.c (c_common_parse_file): Unconditionally give a warning,
1641 suitable for the language, if set_yydebug is true.
1642 * c-pragma.h: Define enum pragma_omp_clause here. Don't define
1643 YYDEBUG or declare yydebug.
1644 * c-parser.c (yydebug, enum pragma_omp_clause): Delete.
1646 2006-12-09 Jan Hubicka <jh@suse.cz>
1648 * cgraph.c: Update copyright.
1649 * cgraph.h: Likewise
1650 (cgraph_update_pending_function): Remove prototype.
1651 * cgraphunit.c: Update copyright; update overall comment.
1652 (cgraph_assemble_pending_functions): Make local.
1654 2006-12-09 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1656 * haifa-sched.c (schedule_block): Remove excessive sanity check.
1658 2006-12-08 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1660 * config/spu/spu-protos.h (spu_split_immediate): Renamed from
1662 (cpat_const_p, gen_cpat_const): Add.
1663 * config/spu/spu.c (immediate_class): New enum.
1664 (cpat_info, classify_immediate): New.
1665 (print_operand): Use S, D, T instead of F, G, H. Use
1666 classify_immediate. Handle cpat cases.
1667 (spu_split_immediate): Renamed from spu_split_address. Split all
1668 immediates that can be split.
1669 (immediate_load_p): Use classify_immediate.
1670 (spu_legitimate_constant_p): Accept everything except some cases of
1672 (spu_expand_move): Use spu_split_immedate.
1673 (fsmbi_const_p): Use classify_immediate.
1674 (cpat_const_p): New.
1675 (gen_cpat_const: New.
1676 * config/spu/constraints.md (j,k,l): New constraints for cpat
1678 * config/spu/spu.md (unnamed splitter): Change address splitter to
1679 handle all immediates.
1680 (_mov<mode>, _movdi, _movti): Handle i, j, k constraints for cpat
1682 (cpat, _cpat, splitter): Generate a TImode constant for cpat patterns
1685 2006-12-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1688 * pa.md (high:DI and lo_sum:DI): Handle 64-bit CONST_INTs in 32-bit
1689 patterns. Correct length of high:DI instruction sequence.
1691 2006-12-08 Mike Stump <mrs@apple.com>
1693 * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Build
1694 libgcc with -mmacosx-version-min=10.4.
1695 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Default to
1696 G4 for 10.5+ unless doing kernel builds.
1698 2006-12-08 Uros Bizjak <ubizjak@gmail.com>
1701 * reg-stack.c (convert_regs_entry): Mark current argument passing
1704 * config/i386/i386.h (X87_REGPARM_MAX): Set to 0 to disable passing
1705 of float arguments in x87 registers.
1707 2006-12-08 John David Anglin <dave.anglin.@nrc-cnrc.gc.ca>
1709 * pa.h (LEGITIMATE_CONSTANT_P): Simplify.
1711 2006-12-08 Mark Shinwell <shinwell@codesourcery.com>
1713 * recog.c (mode_dependent_address_p): Identify pre-increment,
1714 pre-decrement, post-increment and post-decrement addressing as always
1715 being mode-dependent.
1716 * config/m32c/m32c.c (m32c_mode_dependent_address): Delete.
1717 * config/m32c/m32c.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1718 * config/m32c/m32c-protos.h (m32c_mode_dependent_address): Delete.
1719 * config/m32r/m32r.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1720 PRE_INC and POST_INC checks.
1721 * config/i386/i386.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1722 * config/sh/sh.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1723 * config/pdp11/pdp11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1724 * config/avr/avr.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1725 * config/c4x/c4x.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete PRE_DEC,
1726 PRE_INC, POST_DEC and POST_INC cases.
1727 * config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
1728 Delete POST_INC and PRE_DEC cases.
1729 * config/m68hc11/m68hc11.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1731 * config/cris/cris.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1732 * config/mn10300/mn10300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to
1734 * config/ia64/ia64.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1735 * config/m68k/m68k.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1736 * config/rs6000/rs6000.c (rs6000_mode_dependent_address): Delete
1737 PRE_INC and PRE_DEC cases.
1738 * config/arc/arc.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1739 * config/mcore/mcore.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1740 * config/arm/arm.h (ARM_GO_IF_MODE_DEPENDENT_ADDRESS): Delete.
1741 (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1742 * config/pa/pa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1743 * config/vax/vax.c (vax_mode_dependent_address_p): Delete
1744 auto-increment cases.
1745 * config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Delete
1746 auto-increment cases.
1747 * config/bfin/bfin.h (GO_IF_MODE_DEPENDENT_ADDRESS): Change to no-op.
1749 2006-12-08 Andrew MacLeod <amacleod@redhat.com>
1751 * Makefile.in: Add new file tree-ssa-ter.c.
1752 * tree-outof-ssa.c (struct temp_expr_table_d, new_temp_expr_table,
1753 free_temp_expr_table, add_value_to_version_list,
1754 add_value_to_partition_list, remove_value_from_partition_list,
1755 add_dependence, check_replaceable, finish_expr, mark_replaceable,
1756 kill_expr, kill_virtual_exprs, find_replaceable_in_bb,
1757 find_replaceable_exprs, dump_replaceable_exprs): Move to tree-ssa-ter.c.
1758 * tree-ssa-live.h (find_replaceable_exprs, dump_replaceable_exprs): Add
1760 * tree-ssa-ter.c: New file using code moved from tree-outof-ssa.c.
1761 (struct value_expr_d): Remove.
1762 (struct temp_expr_table_d): Rename fields, add explicit vector of
1763 replaceable expressions instead of sharing. Change value_expr_p's to
1764 bitmap. Delete free_list.
1765 (new_temp_expr_table): Rename fields, count number of ssa_names in
1767 (free_temp_expr_table): Rename field, free new fields.
1768 (new_value_expr, free_value_expr, find_value_in_list, add_value_to_list,
1769 add_info_to_list, remove_value_from_list): Delete.
1770 (version_to_be_replaced_p): New. Is an ssa-name replaceable?
1771 (make_dependent_on_partition): New. Set bit in version list, allocating
1772 a bitmap if need be.
1773 (add_to_partition_kill_list): New. Set bit in the partition list,
1774 allocating a bitmap if need be.
1775 (remove_from_partition_kill_list): New. Remove a bit from the
1776 partition list, free the bitmap if it is empty.
1777 (add_dependence): Use renamed field, cleanup. Don't add a dependence
1778 on partitions with only one member.
1779 (is_replaceable_p): New. Split out replaceability check from
1781 (process_replaceable): New. Code split from check_replaceable.
1782 (check_replaceable): Removed.
1783 (finished_with_expr): Renamed from finish_expr.
1784 (kill_expr): Use renamed fields and less parameters.
1785 (kill_virtual_exprs): Less parameters.
1786 (mark_replaceable): Use renamed fields.
1787 (find_replaceable_in_bb): Use renamed fields, cleanup.
1788 (find_replaceable_exprs): Use renamed routines, cleanup.
1789 (dump_replaceable_exprs): Don't go past end of ssa_names list.
1790 (debug_ter): New. Debug routine to dump state.
1792 2006-12-08 Bernd Schmidt <bernd.schmidt@analog.com>
1794 * config/bfin/bfin.c (effective_address_32bit_p): Return true for
1795 anything involving the GOT.
1796 (bfin_adjust_cost): Don't take the REGNO of a MEM.
1797 (trapping_loads_p): Look inside the pattern of an insn to find the
1799 * config/bfin/bfin.md (attr "type"): Add movcc.
1800 (insn_reservation "alu"): Likewise.
1801 (movsicc_insn1, movsicc_insn2): Change type to movcc.
1803 2006-12-07 Andrew Pinski <andrew_pinski@playstation.sony.com>
1805 * config/spu/spu-c.c (spu_build_overload_builtin): Delete.
1806 (spu_resolve_overloaded_builtin): Check for non scalar instead
1807 of vector type and check the function call argument type also for
1809 Call build_function_call instead of spu_build_overload_builtin.
1811 2006-12-07 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
1813 * config/spu/spu.c (array_to_constant): Correct the order of arguments
1814 to the calls of hwint_to_const_double.
1816 2006-12-07 Nick Clifton <nickc@redhat.com>
1818 * config/elfos.h (TARGET_ASM_RECORD_GCC_SWITCHES): Set to
1819 elf_record_gcc_switches.
1821 2006-12-07 Andrew Macleod <amacleod@redhat.com>
1823 * expr.c (string_constant): Account for non-zero lower bound arrays.
1825 2006-12-07 Richard Guenther <rguenther@suse.de>
1827 * builtins.c (expand_builtin_pow): Adjust predicates for
1828 pow to cbrt expansion to unsafe math and !HONOR_NANS for
1831 2006-12-07 Jan Hubicka <jh@suse.cz>
1833 * i386.c (nocona_cost, pentium4_cost): Update preffered memcpy/memset
1836 2006-12-07 Jan Hubicka <jh@suse.cz>
1838 * tree-vrp.c (compare_values): Short circuit INTEGER_CST;
1839 use fold_constant_to_binary; tolerate wrong type constants.
1840 (value_intersect_p): Do just two tests.
1842 2006-12-07 Bernd Schmidt <bernd.schmidt@analog.com>
1844 * config/bfin/bfin.c (print_operand): New modifier 'N' for constants.
1845 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
1846 lshifthi3): Use it, and fix the order of alternatives.
1848 2006-12-07 Nick Clifton <nickc@redhat.com>
1850 * common.opt (record-gcc-switches): New command line switch.
1851 * target.h (print_switch_type): New enum.
1852 (print_switch_fn_type): New typedef for a function pointer.
1853 (struct gcc_target): Add record_gcc_switches and
1854 record_gcc_switches_section fields.
1855 * target-def.h (TARGET_ASM_RECORD_GCC_SWITCHES): Provide a
1857 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Provide a default
1859 * toplev.c (print_single_switch): Simplify by providing a
1860 pointer to function that will format and output the switch
1862 (print_switch_values): Likewise.
1863 (print_to_asm_out_file): New function.
1864 (print_to_stderr): New function.
1865 (init_asm_output): If flag_record_gcc_switches is set then if
1866 the target supports recording the switches then emit them into
1867 the assembler output file, otherwise tell the user that the
1868 switch is not supported.
1869 * varasm.c (eld_record_gcc_switches): New function. Example
1870 handler for the record_gcc_switches target hook.
1871 * doc/tm.texi (TARGET_ASM_RECORD_GCC_SWITCHES): Document the new
1873 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Likewise.
1874 * doc/invoke.texi (-frecord-gcc-switches): Document.
1876 2006-12-07 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1879 * sched-rgn.c (add_block1): Use correct initializer.
1881 2006-12-07 Richard Guenther <rguenther@suse.de>
1883 * tree-vect-transform.c (vectorizable_call): Fix leftover of
1884 TREE_OPERAND to GIMPLE_STMT_OPERAND conversion.
1886 2006-12-06 Aldy Hernandez <aldyh@redhat.com>
1889 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Build MODIFY_EXPR
1890 not GIMPLE_MODIFY_STMT.
1892 2006-12-06 Jan Hubicka <jh@suse.cz>
1894 * tree-vrp.c (operand_less_p): New.
1895 (compare_values, value_inside_range): Rewrite in terms of
1898 2006-12-06 Uros Bizjak <ubizjak@gmail.com>
1900 * config/i386/i386.md (DIRFLAG_REG): Remove constant.
1902 (length_immediate): Do not depend on cld type attribute.
1903 (length_address): Ditto.
1906 (cld): Remove insn pattern.
1907 (strmov_singleop): Do not use DIRFLAG_REG.
1908 (*strmovdi_rex_1): Ditto.
1909 (*strmovsi_1): Ditto.
1910 (*strmovsi_rex_1): Ditto.
1911 (*strmovhi_1): Ditto.
1912 (*strmovhi_rex_1): Ditto.
1913 (*strmovqi_1): Ditto.
1914 (*strmovqi_rex_1): Ditto.
1916 (*rep_movdi_rex64): Ditto.
1917 (*rep_movsi): Ditto.
1918 (*rep_movsi_rex64): Ditto.
1919 (*rep_movqi): Ditto.
1920 (*rep_movqi_rex64): Ditto.
1921 (strset_singleop): Ditto.
1922 (*strsetdi_rex_1): Ditto.
1923 (*strsetsi_1): Ditto.
1924 (*strsetsi_rex_1): Ditto.
1925 (*strsethi_1): Ditto.
1926 (*strsethi_rex_1): Ditto.
1927 (*strsetqi_1): Ditto.
1928 (*strsetqi_rex_1): Ditto.
1930 (*rep_stosdi_rex64): Ditto.
1931 (*rep_stossi): Ditto.
1932 (*rep_stossi_rex64): Ditto.
1933 (*rep_stosqi): Ditto.
1934 (*rep_stosqi_rex64): Ditto.
1935 (cmpstrnsi): Do not generate cld insn.
1936 (cmpstrnqi_nz_1): Do not use DIRFLAG_REG.
1937 (*cmpstrnqi_nz_1): Ditto.
1938 (*cmpstrnqi_nz_rex_1): Ditto.
1939 (cmpstrnqi_1): Ditto.
1940 (*cmpstrnqi_1): Ditto.
1941 (*cmpstrnqi_rex_1): Ditto.
1942 (strlenqi_1): Ditto.
1943 (*strlenqi_1): Ditto.
1944 (*strlenqi_rex_1): Ditto.
1946 * config/i386/geode.md (shift): Do not depend on cld type attribute.
1947 * config/i386/pentium.md (pent_cld): Remove insn reservation.
1948 * config/i386/athlon.md (athlon_decode): Do not depend on cld
1950 * config/i386/ppro.md (ppro_cld): Remove insn reservation.
1951 * config/i386/k6.md (k6_alux_only): Do not depend on cld type
1953 (k6_alux_only_load): Ditto.
1954 (k6_alux_only_store): Ditto.
1956 * config/i386/i386.c (ix86_expand_movmem): Remove cld_done boolean.
1957 Do not emit cld instruction.
1958 (ix86_expand_setmem): Ditto.
1959 (ix86_expand_strlen): Do not emit cld instruction.
1961 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1963 * config/bfin/bfin.c (bfin_rtx_costs): Add a number of new cases, tweak
1966 2006-12-06 Diego Novillo <dnovillo@redhat.com>
1968 * gdbinit.in: Set complaints to 0.
1970 2006-12-06 Jan Hubicka <jh@suse.cz>
1972 * statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
1973 ALONE_MEM_STAT_DECL): New macros.
1974 * bitmap.h: Include statistics.h
1975 (struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
1976 (bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
1977 (bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
1978 * bitmap.c: Include hashtab.h
1979 (bitmap_descriptor): New.
1980 (bitmap_hash): New static variable
1981 (hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
1982 New static functions.
1983 (bitmap_register): New.
1984 (bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
1985 bitmap_obstack_release): Do accounting.
1986 (bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
1988 (bitmap_gc_alloc_stat): Likewise.
1989 (bitmap_obstack_free, bitmap_find_bit): Do statictics.
1990 (print_statistics, dump_bitmap_statistics): New functions.
1991 * toplev.c (finalize): Dump bitmap statistics.
1993 2006-12-06 Bernd Schmidt <bernd.schmidt@analog.com>
1995 * reload1.c (delete_output_reload): Count occurrences in
1996 CALL_INSN_FUNCTION_USAGE.
1997 * rtlanal.c (count_occurrences): Handle EXPR_LIST nodes without
1998 crashing at the end of the list.
2000 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2002 * tree-ssa-structalias.c (set_used_smts): Re-fix pr29156.
2003 Optimize to avoid marking more SMT's as used when they aren't.
2005 2006-12-05 Eric Christopher <echristo@apple.com>
2007 * config/i386/i386.c (x86_output_aligned_bss): Move out
2008 of COMMON_ASM_OP ifdef.
2010 2006-12-05 Eric Christopher <echristo@apple.com>
2012 * config/darwin.h (DARWIN_EXTRA_SPECS): New.
2013 (STARTFILE_SPEC): Use.
2014 (DARWIN_DYLIB1_SPEC): New.
2015 (DARWIN_CRT1_SPEC): New.
2016 * config/i386/darwin64.h (SUBTARGET_EXTRA_SPECS): Use
2018 * config/i386/darwin.h: Ditto.
2019 * config/rs6000/darwin.h: Ditto.
2021 2006-12-05 Daniel Berlin <dberlin@dberlin.org>
2023 * tree-vrp.c (pass_vrp): Remove PROP_smt_usage.
2024 * tree-complex.c (pass_lower_complex): Ditto.
2025 * tree-ssa-ccp.c (pass_ccp): Ditto.
2026 (pass_store_ccp): Ditto.
2027 * tree-ssa-dom.c (pass_dominator): Ditto.
2028 (pass_phi_only_cprop): Ditto.
2029 * tree-sra.c (pass_sra): Ditto.
2030 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
2031 * tree-flow.h (updating_used_alone): Remove.
2032 (updating_used_alone): Ditto.
2033 * tree-ssa-alias.c (updating_used_alone): Remove variable.
2034 (lhs_may_store_to): Remove function.
2035 (recalculate_used_alone): Ditto.
2036 (compute_may_aliases): Remove used_alone calculation.
2037 * tree.h (struct tree_memory_tag): Remove is_used_alone and
2038 old_used_alone. Remove SMT_USED_ALONE and SMT_OLD_USED_ALONE.
2039 * tree-pass.h (PROP_smt_usage): Remove.
2040 * passes.c (execute_todo): Remove used alone recalculation.
2041 (execute_one_pass): Ditto.
2042 * tree-ssa-operands.c (add_virtual_operand): Remove used_alone
2045 2006-12-05 Brooks Moses <brooks.moses@codesourcery.com>
2047 * doc/include/texinfo.tex: Update to version 2006-11-08.17.
2049 2006-12-05 Zdenek Dvorak <dvorakz@suse.cz>
2051 PR tree-optimization/14784
2052 * tree-ssa-operands.c (access_can_touch_variable): Unrevert the fix.
2054 2006-12-05 Aldy Hernandez <aldyh@redhat.com>
2056 Merge from gimple-tuples-branch.
2058 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2060 * config/s390/s390.c (s390_va_start): Replace MODIFY_EXPR with
2062 (s390_gimplify_va_arg): Same.
2063 * config/sparc/sparc.c (sparc_gimplify_va_arg): Same.
2064 * config/sh/sh.c (sh_va_start): Same.
2065 (sh_gimplify_va_arg_expr): Same.
2066 * config/xtensa/xtensa.c (xtensa_va_start): Same.
2067 (xtensa_gimplify_va_arg_expr): Same.
2068 * config/ia64/ia64.c (ia64_gimplify_va_arg): Same.
2069 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Same.
2070 * config/mips/mips.c (mips_va_start): Same.
2071 (mips_gimplify_va_arg_expr): Same.
2073 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2075 * Merge from mainline at revision 119445.
2077 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2079 * config/spu/spu.c (spu_va_start): Change MODIFY_EXPR to
2081 (spu_gimplify_va_arg_expr): Same.
2083 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2085 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2086 Change uses of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2087 (xstormy16_expand_builtin_va_arg): Same.
2089 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2091 * config/frv/frv.c (frv_expand_builtin_va_start): Change MODIFY_EXPR
2092 to GIMPLE_MODIFY_STMT.
2094 2006-12-04 Aldy Hernandez <aldyh@redhat.com>
2096 * config/alpha/alpha.c (va_list_skip_additions): Change all
2097 occurrences of MODIFY_EXPR to GIMPLE_MODIFY_STMT.
2098 (alpha_va_start): Same.
2099 (alpha_gimplify_va_arg_1): Same.
2100 (alpha_gimplify_va_arg): Same.
2102 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2104 * gimplify.c (gimplify_modify_expr): Remove FIXME comment.
2106 2006-12-01 Aldy Hernandez <aldyh@redhat.com>
2108 * tree-ssa-loop-im.c: Rename all PROTECTED_TREE_OPERAND to
2109 GENERIC_TREE_OPERAND, and all PROTECTED_TREE_TYPE to
2111 * tree-complex.c: Same.
2112 * tree-pretty-print.c: Same.
2116 * fold-const.c: Same.
2117 * tree-ssa-dom.c: Same.
2118 * tree-ssa-propagate.c: Same.
2119 * tree-ssa-alias.c: Same.
2120 * gimple-low.c: Same.
2121 * dwarf2out.c: Same.
2122 * c-pretty-print.c: Same.
2124 * tree-inline.c: Same.
2125 * tree-outof-ssa.c: Same.
2126 * tree-ssa-structalias.c: Same.
2127 * tree-ssa-reassoc.c: Same.
2130 2006-11-16 Aldy Hernandez <aldyh@redhat.com>
2132 * tree.c (build2_stat): Fix comment.
2134 2006-11-13 Aldy Hernandez <aldyh@redhat.com>
2136 * tree-ssa-propagate.c (get_rhs): Use GIMPLE_MODIFY_STMT and
2137 TREE_OPERAND when appropriate.
2139 2006-11-04 Aldy Hernandez <aldyh@redhat.com>
2141 * java/java-tree.h (lang_tree_node): Handle gimple tuples.
2142 (EXPR_WFL_EMIT_LINE_NOTE): Look inside base.
2143 (EXPR_WFL_LINECOL): Use EXPR_LOCUS macro instead of exp.locus.
2144 * java/java-gimplify.c (java_gimplify_expr): Comment on why we do
2145 not handle GIMPLE_MODIFY_STMT in the switch statement.
2146 (java_gimplify_modify_expr): Call build2 with GIMPLE_MODIFY_STMT.
2147 (java_gimplify_new_array_init): Same.
2149 2006-11-03 Aldy Hernandez <aldyh@redhat.com>
2151 * gimplify.c (gimplify_omp_for): Allow gimple statements.
2152 * tree-outof-ssa.c (check_replaceable): Use PROTECTED_TREE_OPERAND.
2153 * fold-const.c (fold_binary): Allow gimple statements.
2155 * fortran/trans-array.c (gfc_conv_descriptor_data_set_internal):
2156 Rename from gfc_conv_descriptor_data_set.
2157 Call gfc_add_modify instead of gfc_add_modify_expr.
2158 * fortran/trans-array.h (gfc_conv_descriptor_data_set_internal):
2159 Rename from gfc_conv_descriptor_data_set.
2160 (gfc_conv_descriptor_data_set): New macro.
2161 (gfc_conv_descriptor_data_set_tuples): New macros.
2162 * fortran/trans-openmp.c (gfc_omp_clause_default_ctor): Call
2163 gfc_conv_descriptor_data_set_tuples.
2164 * fortran/trans.c (gfc_add_modify): Rename from gfc_add_modify_expr.
2165 Generate GIMPLE_MODIFY_STMT when appropriate.
2166 * fortran/trans.h (gfc_add_modify): Rename from gfc_add_modify_expr.
2167 (gfc_add_modify_expr): New macro.
2168 (gfc_add_modify_stmt): New macro.
2169 * fortran/f95-lang.c (lang_tree_node): Handle gimple statements.
2171 2006-11-01 Aldy Hernandez <aldyh@redhat.com>
2173 * Merge from mainline at revision 118200.
2175 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2177 * tree-inline.c (copy_bb): Check for GIMPLE_MODIFY_STMT, and adjust
2180 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
2182 * tree.h (TREE_CHAIN, TREE_TYPE): Add versions for non GCC or not
2184 Also, add __extension__ to GCC versions.
2185 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
2186 * tree-inline.c (copy_tree_r): Initialize chain to assuage the warning
2189 2006-10-05 Aldy Hernandez <aldyh@redhat.com>
2191 * tree-complex.c (expand_complex_libcall): Adjust for
2193 (expand_complex_comparison): Same.
2194 * tree-pretty-print.c (dump_generic_node): Is_expr should include
2195 GIMPLE_STMT_P statements.
2196 * value-prof.c (tree_divmod_fixed_value_transform): Adjust for
2198 (tree_mod_pow2_value_transform): Same.
2199 (tree_mod_subtract_transform): Same.
2200 * tree.c (build2_stat): Check for gimplified function in cfun.
2201 * tree.h (DECL_GIMPLIFIED): Delete.
2202 (struct tree_function_decl): Remove gimplified_flag.
2203 * omp-low.c (lower_omp_for): Adjust for GIMPLE_MODIFY_STMT.
2204 * cp/cp-gimplify.c (cp_gimplify_expr): Adjust for GIMPLE_MODIFY_STMT.
2205 (cxx_omp_clause_apply_fn): Adjust for GIMPLE_MODIFY_STMT.
2206 (cxx_omp_clause_copy_ctor): Same.
2207 (cxx_omp_clause_assign_op): Same.
2208 * c-pretty-print.c (pp_c_conditional_expression): Same.
2209 (pp_c_expression): Same.
2210 * langhooks.c (lhd_omp_predetermined_sharing): Same.
2211 * function.h (struct function): Add gimplified field.
2212 * tree-if-conv.c (add_to_dst_predicate_list): Adjust for
2214 (find_phi_replacement_condition): Same.
2215 * gimplify.c (gimplify_modify_expr_to_memcpy): Same.
2216 (gimplify_modify_expr_to_memset): Same.
2217 (gimplify_init_ctor_eval_range): Same.
2218 (gimplify_modify_expr_complex_part): Same.
2219 (tree_to_gimple_tuple): Same.
2220 (gimplify_modify_expr): Same.
2221 (gimple_push_cleanup): Same.
2222 (gimplify_omp_for): Same.
2223 (gimplify_omp_atomic_pipeline): Same.
2224 (gimplify_omp_atomic_mutex): Same.
2225 (gimplify_expr): Same.
2226 (gimplify_one_sizepos): Same.
2227 (gimplify_function_tree): Same.
2228 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Same.
2229 (vect_recog_widen_sum_pattern): Same.
2230 * tree-vect-transform.c (get_initial_def_for_reduction): Same.
2231 (vect_create_epilog_for_reduction): Same.
2232 (vectorizable_reduction): Same.
2234 2006-09-28 Aldy Hernandez <aldyh@redhat.com>
2236 * tree-ssa-math-opts.c (replace_reciprocal): Use GIMPLE_STMT_OPERAND.
2237 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p): Same.
2238 (ifc_temp_var): Same.
2239 * tree-vect-analyze.c (vect_determine_vectorization_factor): Check
2240 for gimple statements.
2241 (vect_analyze_operations): Same.
2242 (exist_non_indexing_operands_for_use_p): Use GIMPLE_STMT_OPERAND.
2243 * gimplify.c (gimplify_return_expr): Handle gimple statements.
2244 * lambda-code.c (can_put_in_inner_loop): Same.
2245 (can_put_after_inner_loop): Same.
2246 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2247 (vect_create_data_ref_ptr): Same.
2248 (vect_init_vector): Same.
2249 (vect_get_vec_def_for_operand): Same.
2250 (vect_create_epilog_for_reduction): Same.
2251 (vectorizable_reduction): Same.
2252 (vectorizable_assignment): Same.
2253 (vectorizable_operation): Same.
2254 (vectorizable_load): Same.
2255 (vectorizable_condition): Same.
2256 * config/rs6000/rs6000.c (rs6000_va_start): Do not create MODIFY_EXPRs.
2257 (rs6000_gimplify_va_arg): Same.
2259 2006-09-25 Aldy Hernandez <aldyh@redhat.com>
2261 * tree-vrp.c (simplify_div_or_mod_using_ranges): Use
2262 GIMPLE_STMT_OPERAND.
2263 (simplify_abs_using_ranges): Same.
2264 * tree-complex.c (expand_complex_operations_1): Use
2265 PROTECTED_TREE_OPERAND.
2266 * tree-ssa-loop-niter.c (simplify_replace_tree): Check for gimple
2268 (get_val_for): Use GIMPLE_STMT_OPERAND.
2269 * tree-tailcall.c (adjust_accumulator_values): Same.
2270 (adjust_return_value): Same.
2271 * tree.c (walk_tree): Use IS_GIMPLE_STMT_CODE_CLASS on default
2272 case. Remove special case for tcc_gimple_stmt.
2273 * tree.h (CAN_HAVE_LOCATION_P): New.
2274 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Check for
2276 * tree-stdarg.c (va_list_counter_bump): Use GIMPLE_STMT_OPERAND.
2277 * tree-ssa-dom.c (propagate_rhs_into_lhs): Same.
2278 * tree-nrv.c (execute_return_slot_opt): Same.
2279 * tree-ssa-alias.c (count_uses_and_derefs): Check for GIMPLE_STMT_P.
2280 * tree-vn.c (set_value_handle): Same.
2281 (get_value_handle): Same.
2282 * c-decl.c (add_stmt): Use CAN_HAVE_LOCATION_P.
2283 * tree-vectorizer.c (find_loop_location): Same.
2284 * c-typeck.c (c_process_expr_stmt): Same.
2285 (c_finish_stmt_expr): Same.
2286 * gimplify.c (should_carry_locus_p): Same.
2287 (tree_to_gimple_tuple): Delete definition and use of unecessary
2288 variable save_tree_block.
2289 * tree-ssa-pre.c (phi_translate): Check for GIMPLE_STMT_P.
2290 (create_expression_by_pieces): Use GIMPLE_STMT_OPERAND.
2291 (realify_fake_stores): Same.
2292 * tree-ssa-forwprop.c (forward_propagate_addr_into_variable_arr):
2294 * tree-inline.c (copy_body_r): Check for EXPR_P and GIMPLE_STMT_P.
2295 (copy_tree_r): Check for IS_GIMPLE_STMT_CODE_CLASS.
2296 * tree-cfg.c (move_stmt_r): Use EXPR_P. Check for GIMPLE_STMT_P.
2297 * c-parser.c (c_parser_typeof_specifier): Use CAN_HAVE_LOCATION_P.
2298 (c_parser_statement_after_labels): Same.
2299 (c_parser_paren_condition): Same.
2300 (c_parser_for_statement): Same.
2301 (c_parser_omp_for_loop): Same.
2302 * tree-ssa-reassoc.c (linearize_expr): Use GIMPLE_STMT_OPERAND.
2303 (linearize_expr_tree): Same.
2304 * dwarf2out.c (reference_to_unused): Check for GIMPLE_STMT_P.
2305 * function.c (instantiate_expr): Same.
2307 2006-09-22 Aldy Hernandez <aldyh@redhat.com>
2309 * tree.c (expr_location): Use GIMPLE_STMT_LOCUS.
2310 (set_expr_location): Same.
2312 (set_expr_locus): Same.
2313 (expr_filename): Same.
2314 (expr_lineno): Same.
2315 (tree_block): Use GIMPLE_STMT_BLOCK.
2316 (protected_tree_operand): Use GIMPLE_STMT_OPERAND.
2317 * tree.h (struct gimple_stmt): Remove prev and next.
2318 (GIMPLE_STMT_OPERAND_CHECK): New.
2319 (TREE_TO_GIMPLE_STMT): Delete.
2320 (GIMPLE_STMT_TO_TREE): Delete.
2321 (GIMPLE_STMT_OPERAND): Use union, not cast.
2322 (GIMPLE_STMT_LOCUS): New.
2323 (GIMPLE_STMT_BLOCK): New.
2324 * gimplify.c (tree_to_gimple_tuple): Use union. Do not cast
2326 * tree-cfg.c (verify_gimple_tuples_1): Call gcc_unreachable.
2328 2006-09-21 Aldy Hernandez <aldyh@redhat.com>
2330 * tree-into-ssa.c (REGISTER_DEFS_IN_STMT): Change common.base
2332 * tree-tailcall.c (adjust_return_value): Same.
2333 * tree.c (tree_code_size): Remove GIMPLE_STATEMENT_LIST case.
2334 (copy_node_stat): Change common.base to base.
2335 (tree_node_structure): Return TS_GIMPLE_STATEMENT for tcc_gimple_stmt.
2336 Remove GIMPLE_STATEMENT_LIST case.
2337 * tree.h (struct gimple_stmt): Make operands of type tree.
2338 (TREE_CODE, TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2339 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2340 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2341 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2342 TYPE_CACHED_VALUES_P, TREE_SIDE_EFFECTS, FORCED_LABEL,
2343 TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2344 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2345 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN, TREE_USED,
2346 TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT, DECL_BY_REFERENCE,
2347 CALL_FROM_THUNK_P, TYPE_ALIGN_OK, TREE_PRIVATE, TREE_PROTECTED,
2348 TREE_DEPRECATED, IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2349 TREE_LANG_FLAG_*, SSA_NAME_OCCURS_IN_ABNORMAL_PHI,
2350 SSA_NAME_IN_FREE_LIST, TYPE_VOLATILE, TYPE_READONLY, BINFO_VIRTUAL_P):
2351 Change common.base to base.
2352 (GIMPLE_STATEMENT_LIST*): Remove.
2353 (union tree_node): Add base. Remove gimple_statement_list.
2354 Remove pointer from gstmt.
2355 * tree-ssa-propagate.c (set_rhs): Change common.base to base.
2356 * treestruct.def: Add TS_BASE. Remove TS_GIMPLE_STATEMENT_LIST.
2357 * tree-vn.c (vn_compute): Change common.base to base.
2358 * tree-eh.c (verify_eh_throw_stmt_node): Same.
2359 * tree-flow-inline.h (var_ann): Same.
2360 (function_ann): Same.
2362 (mark_non_addressable): Same.
2363 * gimplify.c (tree_to_gimple_tuple): Same.
2364 * tree.def (DEFTREECODE): Remove GIMPLE_STATEMENT_LIST.
2365 * tree-dfa.c (create_var_ann): Change common.base to base.
2366 (create_function_ann): Same.
2367 (create_stmt_ann): Same.
2368 (create_tree_ann): Same.
2369 (collect_dfa_stats_r): Same.
2370 * tree-ssa-pre.c (NECESSARY): Change common.base to base.
2371 * tree-ssa-dce.c (NECESSARY): Same.
2372 * tree-ssa.c (delete_tree_ssa): Same.
2373 * tree-optimize.c (execute_free_cfg_annotations): Same.
2374 * tree-flow.h: Same.
2376 2006-09-19 Aldy Hernandez <aldyh@redhat.com>
2378 * tree.c (tree_code_size): Handle GIMPLE_STATEMENT_LIST.
2379 (tree_node_structure): Handle GIMPLE_STATEMENT_LIST and
2381 * tree.h (struct gimple_stmt): Add prev and next fields.
2382 (GIMPLE_STMT_TO_TREE): Cast, do not call GIMPLE_STMT_CHECK.
2383 (GIMPLE_STATEMENT_LIST_HEAD): New.
2384 (GIMPLE_STATEMENT_LIST_TAIL): New.
2385 (struct gimple_statement_list): New.
2386 (union tree_node): Add gimple_stmt_list and gstmt.
2387 * treestruct.def: Add TS_GIMPLE_STATEMENT_LIST, TS_GIMPLE_STATEMENT.
2388 * tree.def: Add GIMPLE_STATEMENT_LIST.
2390 2006-09-06 Aldy Hernandez <aldyh@redhat.com>
2392 * tree-dump.c (dequeue_and_dump): Handle GIMPLE_MODIFY_STMT.
2393 * tree-vrp.c (build_assert_expr_for): Change uses of
2394 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2395 (find_assert_locations): Same.
2396 (remove_range_assertions): Same.
2397 (stmt_interesting_for_vrp): Same.
2398 (vrp_visit_assignment): Same.
2399 (vrp_visit_stmt): Same.
2400 (simplify_cond_using_ranges): Same.
2401 * tree-into-ssa.c (REGISTER_DEFS_IN_THIS_STMT): Adjust for new
2403 * tree-ssa-loop-im.c (movement_possibility): Change uses of
2404 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2406 (determine_invariantness_stmt): Same.
2407 (schedule_sm): Same.
2408 (gather_mem_refs_stmt): Same.
2409 * tree-complex.c (init_dont_simulate_again): Same.
2410 (complex_visit_stmt): Same.
2411 (set_component_ssa_name): Same.
2412 (expand_complex_move): Same.
2413 (expand_complex_div_wide): Same.
2414 (expand_complex_comparison): Same.
2415 (expand_complex_operations_1): Same.
2416 * tree-ssa-loop-niter.c (expand_simple_operations): Same.
2417 (chain_of_csts_start): Same.
2418 (infer_loop_bounds_from_undefined): Same.
2419 * tree-pretty-print.c (dump_generic_node): Same.
2421 (op_symbol_1): Same.
2422 * tree-ssa-loop-manip.c (create_iv): Same.
2423 * value-prof.c (tree_divmod_fixed_value): Same.
2424 (tree_divmod_fixed_value_transform): Same.
2425 (tree_mod_pow2): Same.
2426 (tree_mod_pow2_value_transform): Same.
2427 (tree_mod_subtract): Same.
2428 (tree_mod_subtract_transform): Same.
2429 (tree_divmod_values_to_profile): Same.
2430 * tree-tailcall.c (process_assignment): Same.
2431 (find_tail_calls): Same.
2432 (adjust_accumulator_values): Same.
2433 (adjust_return_value): Same.
2434 (eliminate_tail_call): Same.
2435 * tree.c (tree_code_size): Handle tcc_gimple_stmt.
2436 (make_node_stat): Same.
2437 (copy_node_stat): Handle gimple tuples.
2438 (expr_align): Handle GIMPLE_MODIFY_STMT. Abort on MODIFY_EXPR.
2439 (tree_node_structure): Handle tcc_gimple_stmt.
2440 (build2_stat): Abort on MODIFY_EXPR after gimplification. Handle
2442 (build2_gimple_stat): New.
2443 (expr_location): New.
2444 (set_expr_location): New.
2445 (expr_has_location): New.
2447 (set_expr_locus): New.
2448 (expr_filename): New.
2450 (walk_tree): Handle tcc_gimple_stmt.
2452 (protected_tree_operand): New.
2453 (protected_tree_type): New.
2454 (tree_code_kind): Add gimple statements.
2455 * tree.h (tree_code_class): Add tcc_gimple_stmt.
2456 (IS_GIMPLE_STMT_CODE_CLASS): New.
2457 (struct tree_base): New.
2458 (struct tree_common): Shrink.
2459 (struct gimple_stmt): New.
2460 (struct gimple_expr): New.
2461 (TREE_SET_CODE, TREE_ADDRESSABLE, CALL_EXPR_TAILCALL,
2462 CASE_LOW_SEEN, TREE_STATIC, CLEANUP_EH_ONLY, CASE_HIGH_SEEN,
2463 TREE_NO_WARNING, TREE_CONSTANT_OVERFLOW, TREE_SYMBOL_REFERENCED,
2464 TYPE_REF_CAN_ALIAS_ALL, TREE_OVERFLOW, TREE_PUBLIC,
2465 TYPE_CACHED_VALUES_P, SAVE_EXPR_RESOLVED_P, TREE_SIDE_EFFECTS,
2466 FORCED_LABEL, TREE_THIS_VOLATILE, TREE_THIS_NOTRAP, TREE_READONLY,
2467 TREE_CONSTANT, TYPE_SIZES_GIMPLIFIED, DECL_UNSIGNED,
2468 BIT_FIELD_REF_UNSIGNED, TYPE_UNSIGNED, TREE_ASM_WRITTEN,
2469 TREE_USED, TREE_NOTHROW, CALL_EXPR_RETURN_SLOT_OPT,
2470 DECL_BY_REFERENCE, CALL_FROM_THUNK_P, TYPE_ALIGN_OK,
2471 TREE_PRIVATE, TREE_PROTECTED, TREE_DEPRECATED,
2472 IDENTIFIER_TRANSPARENT_ALIAS, TREE_INVARIANT,
2473 TREE_LANG_FLAG_[0-6], SSA_NAME_CHECK, SSA_NAME_IN_FREE_LIST,
2474 TYPE_VOLATILE, TYPE_READONLY, TREE_VISITED, BINFO_VIRTUAL_P):
2475 Adjust for new `common' layout.
2476 (struct tree_function_decl): Add gimplified_flag.
2477 (DECL_GIMPLIFIED): NEW.
2478 (EXPR_LOCATION, SET_EXPR_LOCUS, EXPR_FILENAME, EXPR_LOCUS,
2479 SET_EXPR_LOCUS, SET_EXPR_LOCATION, EXPR_LINENO,
2480 EXPR_HAS_LOCATION): Call corresponding function.
2481 (GIMPLE_STMT_CHECK): New.
2482 (TREE_OPERAND_CHECK, TREE_TYPE, TREE_CHAIN): Abort on gimple tuples.
2483 (TREE_BLOCK): Call tree_block.
2484 (GIMPLE_STMT_P): New.
2485 (GIMPLE_TUPLE_P): New.
2486 (TREE_TO_GIMPLE_STMT): New.
2487 (GIMPLE_STMT_TO_TREE): New.
2488 (GIMPLE_STMT_OPERAND): New.
2489 (GIMPLE_TUPLE_HAS_LOCUS_P): New.
2490 (PROTECTED_TREE_OPERAND): New.
2491 (PROTECTED_TREE_TYPE): New.
2492 (build2_gimple_stat): Protoize.
2493 (build2_gimple): New.
2494 (expr_location): Protoize.
2495 (set_expr_location): Protoize.
2496 (expr_has_location): Protoize.
2497 (expr_locus): Protoize.
2498 (set_expr_locus): Protoize.
2499 (expr_filename): Protoize.
2500 (expr_lineno): Protoize.
2501 (tree_block): Protoize.
2502 (protected_tree_operand): Protoize.
2503 (protected_tree_type): Protoize.
2504 (enum tree_node_kind): Add gimple_stmt_kind.
2505 * c-decl.c (union lang_tree_node): Tuples do not have a
2507 * ipa-cp.c (constant_val_insert): Change uses of MODIFY_EXPR to
2508 GIMPLE_MODIFY_STMT and adjust accordingly.
2509 * tree-scalar-evolution.c (follow_ssa_edge): Same.
2510 (interpret_condition_phi): Same.
2511 (pointer_used_p): Same.
2512 (analyze_scalar_evolution_1): Same.
2513 (scev_const_prop): Same.
2514 (interpret_rhs_modify_stmt): Rename from
2515 interpret_rhs_modify_expr.
2516 * builtins.c (std_expand_builtin_va_start): Change uses of
2517 MODIFY_EXPR to GIMPLE_MODIFY_STMT and adjust accordingly.
2518 (std_gimplify_va_arg_expr): Same.
2519 (expand_builtin_va_copy): Same.
2520 (integer_valued_real_p): Same.
2521 * fold-const.c (maybe_lvalue_p): Same.
2523 (tree_expr_nonnegative_p): Same.
2524 (tree_expr_nonzero_p): Same.
2525 * omp-low.c (extract_omp_for_data): Same.
2526 (lower_rec_input_clauses): Same.
2527 (lower_reduction_clauses): Same.
2528 (lower_copyprivate_clauses): Same.
2529 (lower_send_clauses): Same.
2530 (lower_send_shared_vars): Same.
2531 (expand_parallel_call): Same.
2532 (expand_omp_parallel): Same.
2533 (expand_omp_for_generic): Same.
2534 (expand_omp_for_static_nochunk): Same.
2535 (expand_omp_for_static_chunk): Same.
2536 (expand_omp_sections): Same.
2537 (lower_omp_single_copy): Same.
2538 (lower_omp_parallel): Same.
2539 * tree-ssa-dse.c (memory_address_same): Same.
2540 (dse_optimize_stmt): Same.
2541 * ipa-reference.c (scan_for_static_refs): Same.
2542 * tree-gimple.c (is_gimple_reg_rhs): Same.
2543 (get_call_expr_in): Same.
2544 (recalculate_side_effects): Same.
2545 * cgraphunit.c (cgraph_create_edges): Same.
2546 * tree-ssa-copyrename.c (rename_ssa_copies): Same.
2547 * tree-ssa-ccp.c (get_default_value): Same.
2548 (likely_value): Same.
2549 (visit_assignment): Same.
2550 (ccp_visit_stmt): Same.
2551 (get_maxval_strlen): Same.
2552 (ccp_fold_builtin): Same.
2553 * tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Same.
2554 (find_givs_in_stmt): Same.
2555 (find_interesting_uses_op): Same.
2556 (find_interesting_uses_stmt): Same.
2557 (rewrite_use_nonlinear_expr): Same.
2558 * ipa-pure-const.c (scan_function): Same.
2559 * tree-stdarg.c (va_list_counter_bump): Same.
2560 (check_all_va_list_escapes): Same.
2561 (execute_optimize_stdarg): Same.
2562 * tree-ssa-math-opts.c (compute_merit): Same.
2563 (insert_reciprocals): Same.
2564 (execute_cse_reciprocals): Same.
2565 * tree-ssa-dom.c (initialize_hash_element): Same.
2566 (simple_iv_increment_p): Same.
2567 (record_equivalences_from_stmt): Same.
2568 (optimize_stmt): Same.
2569 (remove_stmt_or_phi): Same.
2570 (get_rhs_or_phi_arg): Same.
2571 (get_lhs_or_phi_result): Same.
2572 (propagate_rhs_into_lhs): Same.
2573 * tree-nrv.c (tree_nrv): Same.
2574 (execute_return_slot_opt): Same.
2575 * tree-ssa-propagate.c (get_rhs): Same.
2577 (stmt_makes_single_load): Same.
2578 (stmt_makes_single_store): Same.
2579 (replace_vuses_in): Same.
2580 (fold_predicate_in): Same.
2581 (substitute_and_fold): Same.
2582 * tree-ssa-alias.c (compute_call_clobbered): Same.
2583 (recalculate_used_alone): Same.
2584 (count_uses_and_derefs): Same.
2585 (is_escape_site): Same.
2586 (find_used_portions): Same.
2587 * gimple-low.c (lower_stmt): Same.
2588 (block_may_fallthru): Same.
2589 (lower_return_expr): Same.
2590 * tree-ssa-sink.c (is_hidden_global_store): Same.
2591 (statement_sink_location): Same.
2592 * dwarf2out.c (loc_descriptor_from_tree_1): Same.
2593 * expr.c (safe_from_p): Same.
2594 (expand_expr_real): Same.
2595 (expand_expr_real_1): Same.
2596 * tree-ssa-loop-ivcanon.c (empty_loop_p): Same.
2597 * predict.c (expr_expected_value): Same.
2598 (strip_builtin_expect): Same.
2599 (apply_return_prediction): Same.
2600 (tree_bb_level_predictions): Same.
2601 (tree_estimate_probability): Same.
2602 * tree-vn.c (vn_compute): Same.
2603 * tree-eh.c (add_stmt_to_eh_region_fn): Same.
2604 (remove_stmt_from_eh_region_fn): Same.
2605 (do_return_redirection): Same.
2606 (honor_protect_cleanup_actions): Same.
2607 (lower_try_finally_switch): Same.
2608 (lower_eh_constructs_1): Same.
2609 (tree_could_throw_p): Same.
2610 (verify_eh_throw_stmt_node): Same.
2611 * function.c (gimplify_parameters): Same.
2612 * tree-vectorizer.c (vect_is_simple_use): Same.
2613 (vect_is_simple_reduction): Same.
2614 * ipa-type-escape.c (scan_for_refs): Same.
2615 * tree-if-conv.c (tree_if_conversion): Same.
2616 (tree_if_convert_stmt): Same.
2617 (if_convertible_gimplify_modify_stmt_p): Rename from
2618 if_convertible_modify_expr_p.
2619 (if_convertible_stmt_p): Adjust for GIMPLE_MODIFY_STMT.
2620 (ifc_temp_var): Same.
2621 (replace_phi_with_cond_modify_stmt): Rename from
2622 replace_phi_with_cond_modify_expr.
2623 (process_phi_nodes): Call replace_phi_with_cond_modify_stmt.
2624 * tree.def (DEFTREECODE): Add GIMPLE_MODIFY_STMT.
2625 * tree-data-ref.c (find_data_references_in_loop): Adjust for
2627 * tree-flow-inline.h (var_ann): Same.
2628 (function_ann): Same.
2630 (mark_non_addressable): Same.
2631 * tree-vect-analyze.c (vect_determine_vectorization_factor): Same.
2632 * gimplify.c (tree_to_gimple_tuple): New.
2633 (build_stack_save_restore): Adjust for GIMPLE_MODIFY_STMT.
2634 (gimplify_return_expr): Same.
2635 (gimplify_decl_expr): Same.
2636 (gimplify_self_mod_expr): Same.
2637 (gimplify_cond_expr): Same.
2638 (gimplify_init_constructor): Same.
2639 (gimplify_modify_expr): Same.
2640 (gimplify_expr): Same.
2641 (gimplify_function_tree): Same.
2642 (force_gimple_operand): Same.
2643 * tree-ssa-phiopt.c (conditional_replacement): Same.
2644 (minmax_replacement): Same.
2645 (abs_replacement): Same.
2646 * tree-dfa.c (create_var_ann): Same.
2647 (create_function_ann): Same.
2648 (create_stmt_ann): Same.
2649 (create_tree_ann): Same.
2650 (collect_dfa_stats_r): Same.
2651 * tree-ssa-pre.c (find_or_generate_expression): Same.
2652 (create_expression_by_pieces): Same.
2653 (try_look_through_load): Same.
2654 (insert_fake_stores): Same.
2655 (realify_fake_stores): Same.
2656 (compute_avail): Same.
2659 (poolify_modify_stmt): Rename from poolify_modify_stmt.
2660 Adjust for GIMPLE_MODIFY_STMT.
2661 (NECESSARY): Adjust for new `common' layout.
2662 * tree-ssa-live.c (build_tree_conflict_graph): Adjust for
2664 * tree-sra.c (sra_walk_modify_stmt): Rename from
2665 sra_walk_modify_expr.
2666 (sra_walk_function): Adjust for GIMPLE_MODIFY_STMT.
2667 (generate_copy_inout): Same.
2668 (generate_element_copy): Same.
2669 (generate_element_zero): Same.
2670 (scalarize_copy): Same.
2671 * tree-mudflap.c (mf_decl_cache_locals): Same.
2672 (mf_build_check_statement_for): Same.
2673 (mf_xform_derefs): Same.
2674 * ipa-prop.c (ipa_method_modify_stmt): Same.
2675 * print-tree.c (print_node): Handle gimple tuples.
2676 Add case for tcc_gimple_stmt.
2677 * tree-ssa-copy.c (stmt_may_generate_copy): Adjust for
2679 (copy_prop_visit_assignment): Same.
2680 (copy_prop_visit_stmt): Same.
2681 (init_copy_prop): Same.
2682 * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): Same.
2683 (forward_propagate_into_cond_1): Same.
2684 (find_equivalent_equality_comparison): Same.
2685 (tidy_after_forward_propagate_addr): Same.
2686 (forward_propagate_addr_expr_1): Same.
2687 (simplify_not_neg_expr): Same.
2688 (simplify_switch_expr): Same.
2689 * tree-ssa-dce.c (find_pdom): Same.
2690 (mark_stmt_if_obviously_necessary): Same.
2691 (NECESSARY): Adjust for new `common' layout.
2692 * tree-flow.h: Same.
2693 * tree-vect-patterns.c (widened_name_p): Adjust for
2695 (vect_recog_dot_prod_pattern): Same.
2696 (vect_recog_widen_sum_pattern): Same.
2697 (vect_pattern_recog_1): Same.
2698 * tree-nested.c (init_tmp_var): Same.
2699 (save_tmp_var): Same.
2701 (convert_call_expr): Same.
2702 (finalize_nesting_tree_1): Same.
2703 * tree-ssa.c (verify_ssa): Same.
2704 (delete_tree_ssa): Same.
2705 * lambda-code.c (lbv_to_gcc_expression): Same.
2706 (lle_to_gcc_expression): Same.
2707 (lambda_loopnest_to_gcc_loopnest): Same.
2708 (can_put_in_inner_loop): Same.
2709 (can_convert_to_perfect_nest): Same.
2710 (perfect_nestify): Same.
2711 * tree-ssa-loop-prefetch.c (gather_memory_references): Same.
2712 * tree-inline.c (copy_body_r): Same.
2713 (setup_one_parameter): Same.
2714 (initialize_inlined_parameters): Same.
2715 (estimate_num_insns_1): Same.
2716 (expand_call_inline): Same.
2717 (gimple_expand_calls_inline): Same.
2718 (copy_tree_r): Same.
2719 * tree-optimize.c (execute_free_cfg_annotations): Same.
2720 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Same.
2721 (vect_align_data_ref): Same.
2722 (vect_create_data_ref_ptr): Same.
2723 (vect_init_vector): Same.
2724 (vect_create_epilog_for_reduction): Same.
2725 (vectorizable_reduction): Same.
2726 (vectorizable_assignment): Same.
2727 (vectorizable_operation): Same.
2728 (vectorizable_store): Same.
2729 (vectorizable_load): Same.
2730 (vectorizable_live_operation): Same.
2731 (vectorizable_condition): Same.
2732 (vect_generate_tmps_on_preheader): Same.
2733 (vect_create_cond_for_align_checks): Same.
2734 * tree-object-size.c (collect_object_sizes_for): Same.
2735 (check_for_plus_in_loops_1): Same.
2736 (check_for_plus_in_loops): Same.
2737 * tree-outof-ssa.c (insert_copy_on_edge): Same.
2738 (replace_use_variable): Same.
2739 (check_replaceable): Same.
2740 (rewrite_trees): Same.
2741 (identical_copies_p): Same.
2742 (insert_backedge_copies): Same.
2743 * tree-profile.c (tree_gen_edge_profiler): Same.
2744 * tree-vect-generic.c (expand_vector_operations_1): Same.
2745 * tree-ssa-structalias.c (update_alias_info): Same.
2746 (find_func_aliases): Same.
2747 * tree-cfg.c (factor_computed_gotos): Same.
2749 (make_goto_expr_edges): Same.
2750 (tree_merge_blocks): Same.
2751 (remove_useless_stmts_cond): Same.
2752 (remove_useless_stmts_1): Same.
2753 (tree_find_edge_insert_loc): Same.
2754 (verify_expr): Same.
2755 (gimplify_val): Same.
2756 (verify_gimple_tuples_1): New.
2757 (verify_gimple_tuples): New.
2758 (verify_stmts): Call verify_gimple_tuples.
2759 * tree-ssa-reassoc.c (get_rank): Adjust for GIMPLE_MODIFY_STMT.
2760 (get_unary_op): Same.
2761 (linearize_expr): Same.
2762 (get_single_immediate_use): Same.
2763 (negate_value): Same.
2764 (should_break_up_subtract): Same.
2765 (break_up_subtract): Same.
2766 (repropagate_negates): Same.
2767 (break_up_subtract_bb): Same.
2768 (reassociate_bb): Same.
2769 * config/i386/i386.c (ix86_va_start): Same.
2770 (ix86_gimplify_va_arg): Same.
2771 * stmt.c (expand_expr_stmt): Same.
2772 (warn_if_unused_value): Same.
2773 (expand_return): Same.
2774 * tree-ssanames.c (make_ssa_name): Same.
2775 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Same.
2776 * tree-ssa-operands.c (finalize_ssa_defs): Same.
2777 (add_virtual_operand): Same.
2778 (get_expr_operands): Same.
2779 (parse_ssa_operands): Same.
2780 (get_modify_stmt_operands): Rename from get_modify_expr_operands.
2782 2006-12-05 H.J. Lu <hongjiu.lu@intel.com>
2784 * config.host: Remove extra blank line.
2786 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2788 * config.host (i[34567]86-*-*, x86-64-*-*): Use driver-i386.o only if
2789 target is also an x86 variant.
2791 2006-12-05 Richard Guenther <rguenther@suse.de>
2793 * config/i386/i386.c (ix86_builtin_vectorized_function): Declare.
2794 (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Define.
2795 (ix86_builtin_vectorized_function): New function to vectorize
2798 2006-12-05 Bernd Schmidt <bernd.schmidt@analog.com>
2800 * config/bfin/bfin.c (output_file_start): Fix comment which referred to
2801 ia64_override_options.
2803 2006-12-04 Jan Hubicka <jh@suse.cz>
2805 * cfgexpand.c (expand_one_var): Guard expand_one_stack_var by
2808 2006-12-04 Bernd Schmidt <bernd.schmidt@analog.com>
2810 * rtlanal.c (note_uses): Deal with SEQUENCEs.
2811 * config/bfin/bfin.c: Include "timevar.h".
2812 (bfin_flag_schedule_insns2, splitting_for_sched,
2813 bfin_flag_var_tracking): New variables.
2814 (print_operand): Handle '%!'.
2815 (override_options): Disable normal sched2 pass, instead set
2816 bfin_flag_schedule_insns2 for reorg to handle it.
2817 (output_file_start): Likewise for var-tracking.
2818 (bfin_optimize_loop): Take some care not to stumble over SEQUENCEs.
2819 (gen_one_bundle, bfin_gen_bundles, type_for_anomaly, trapping_loads_p):
2821 (bfin_reorg): Do second scheduling pass here, and call
2822 bfin_gen_bundles. Use type_for_anomaly and trapping_loads_p instead
2823 of examining insns directly. If bfin_flag_var_tracking, call
2824 var-tracking pass when done with everything else.
2825 * config/bfin/bfin.h (PRINT_OPERAND_PUNCT_VALID_P): '!' is valid.
2826 * config/bfin/bfin.md (UNSPEC_32BIT): New constant.
2827 (movsi_insn32): New pattern, with two new splits to create it
2828 before the final scheduling pass.
2829 (neghi2): Not a dsp32 insn, rather alu0.
2830 (movbi, pushsi_insn, popsi_insn, movsi_insn, movv2hi_insn, movhi_insn,
2831 movqi_insn, movsf_insn, movsi_insv, extendhisi2, zero_extendhisi2,
2832 extendqihi2, extendqisi2, zero_extendqihi2, zero_extendqisi2,
2833 mulhisi3, umulhisi3, ssadsi3, sssubsi3, smaxsi3, sminsi3, abssi2,
2834 ssnegsi2, signbitssi2, smaxhi3, sminhi3, abshi2, ssneghi2, signbitshi2,
2835 movhi_low2high, movhi_high2high, movhi_low2low, movhi_high2low,
2836 movhiv2hi_low, movhiv2hi_high, composev2hi, packv2hi, movv2hi_hi,
2837 ssaddhi3, sssubhi3, addv2hi3, ssaddv2hi3, subv2hi3, sssubv2hi3,
2838 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3, sublohiv2hi3,
2839 subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3, addlohiv2hi3,
2840 addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3, sminv2hi3, smaxv2hi3,
2841 flag_mulhi, flag_mulhisi, flag_mulhisi_parts, flag_machi,
2842 flag_machi_acconly, flag_macinithi, flag_macinit1hi, mulv2hi3,
2843 flag_mulv2hi, flag_mulv2hi_parts, flag_macv2hi_parts,
2844 flag_macv2hi_parts_acconly, flag_macinitv2hi_parts,
2845 flag_macinit1v2hi_parts, mulhisi_ll, mulhisi_lh, mulhisi_hl,
2846 mulhisi_hh, ssnegv2hi2, absv2hi2, ssashiftv2hi3, ssashifthi3,
2847 lshiftv2hi3, lshifthi3): Use '%!' to terminate all dsp32/load/store
2848 variants instead of ';'.
2849 (ror_one, rol_one): Likewise. Make them dsp32 insns.
2850 (ashlsi3_insn, ashrsi3, lshrsi3): Add dsp32 variants.
2851 (align8, align16, align24): Now named patterns; also using '%!'.
2854 2006-12-05 Kazu Hirata <kazu@codesourcery.com>
2856 * config/i386/darwin.h, config/spu/spu.c, tree-ssa-live.c,
2857 tree-vect-generic.c, tree-vect-transform.c: Fix comment typos.
2859 2006-12-04 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
2861 * config/spu/spu-protos.c (spu_split_address): Add.
2862 * config/spu/spu.c (spu_split_address): Add.
2863 (print_operand): Handle HIGH.
2864 (spu_legitimate_address): Don't test for aligned CONST.
2865 (spu_expand_mov): Don't split addresses here.
2866 * config/spu/constraints.md (A): Don't test legitimate_const.
2867 * config/spu/spu.md: Add split of movsi patterns for PIC mode.
2868 (ceq_di): Use correct predicates.
2870 2006-12-04 Eric Christopher <echristo@apple.com>
2872 * config/darwin.h: Update copyright notice.
2873 * config/i386/darwin.h: Ditto.
2875 2006-12-04 Jan Hubicka <jh@suse.cz>
2877 * builtins.c (fold_builtin_memory_op): Check that expr_size match.
2878 * explow.c (expr_size, int_expr_size): Assert that size is non_NULL.
2880 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2882 * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Call
2884 * tree-ssa-structalias.c (set_used_smts): Export.
2885 (find_what_p_points_to): Don't call set_used_smts here.
2886 * tree-ssa-structalias.h (set_used_smts): Add prototype.
2888 2006-12-04 Daniel Berlin <dberlin@dberlin.org>
2890 * tree-ssa-alias.c (compute_may_aliases):
2891 Compute flow sensitive before flow insensitive.
2892 (compute_flow_sensitive_aliasing): Don't try to add
2893 a symbol memory tag to itself.
2895 * alias.h (alias_set_subset_of): New prototype.
2897 * alias.c (alias_set_subset_of): New function.
2899 * tree-ssa-structalias.c: Update comments.
2900 (struct variable_info): Add finished_solution.
2901 (new_varinfo): Set finished solution to NULL.
2902 (var_escaped_vars): Remove.
2903 (escaped_vars_tree): Remove.
2904 (escaped_vars_id): Remove.
2905 (nonlocal_vars_id): Remove.
2906 (constraint_expr_type): Add INCLUDES.
2907 (graph_size): Removed.
2908 (dump_constraint): Support INCLUDES.
2909 (build_constraint_graph): Ditto.
2910 (collapse_nodes): Add merge_solutions argument.
2911 Don't merge attributes.
2912 (process_unification_queue): Just use collapse_nodes.
2913 (perform_var_substitution): Update call to collapse_nodes.
2914 (get_constraint_exp_from_ssa_var): Use INCLUDES.
2915 (process_constraint): Fix non-field sensitive handling
2917 (get_constraint_for): Use INCLUDES.
2918 (make_constraint_from_anything): Renamed from
2919 make_constraint_from_escaped.
2920 (make_constraint_to_escaped): Removed.
2921 (find_global_initializers): Removed.
2922 (create_variable_info_for): Do not make constraints to escaped
2924 (dump_solution_for_var): Don't print out the equivalent points-to
2925 sets, just use the name of the variable it shares it with.
2926 (intra_create_variable_infos): Use INCLUDES.
2927 Change nonlocal variable sets to anything sets.
2928 (init_base_vars): Remove escaped_vars and nonlocal_var
2930 (find_escape_constraints): Removed.
2931 (delete_points_to_sets): Remove dead code.
2932 (used_smt_calculated): New variable.
2933 (set_used_smts): New function.
2934 (merge_smts_into): New function.
2935 (find_what_p_points_to): Modify to use SMTs.
2936 (create_nonlocal_var): Remove.
2938 * tree-ssa-operands.c (access_can_touch_variable): Remove
2939 reference to nonlocal_all.
2941 * tree-ssa.c (verify_name_tags): Remove.
2943 2006-12-04 Carlos O'Donell <carlos@codesourcery.com>
2945 * config/arm/unwind-arm.c: Adjust __cxa_type_match declaration.
2946 (__gnu_unwind_pr_common): Pass is_reference to __cxa_type_match.
2948 2006-12-04 Andrew MacLeod <amacleod@redhat.com>
2950 * tree-outof-ssa.c (coalesce_ssa_name): Use calculate_live_ranges.
2951 * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info): Update.
2952 (add_livein_if_notdef): Delete.
2953 (loe_visit_block): New. Propogate live on entry info for a block into
2954 each predecessor. If it changes, make sure it is visited again.
2955 (live_worklist): Visit every block and update the live on entry info
2956 for preds. Iterate over any that changed.
2957 (set_var_live_on_entry): Populate the live on entry blocks with bits
2958 based on the immediate uses of a var.
2959 (calculate_live_on_entry): Remove.
2960 (calculate_live_on_exit): Calculate live on exit based on the newly
2961 oriented live on entry bits.
2962 (calculate_live_ranges): Build live on entry and exit vectors.
2963 (dump_live_info): Use new orientation of live on entry bitmaps.
2964 (verify_live_on_entry): New. Split out verification code from old
2965 calculate_live_on_entry routine.
2966 * tree-ssa-live.h (struct tree_live_info_d): Add Working stack.
2967 (live_entry_blocks): Rename to live_on_entry and return bitmap for a
2968 basic_block instead of for a partition.
2969 (live_merge_and_clear): Add asserts.
2970 (make_live_on_entry): Set partition bit in basic block vector.
2972 2006-12-04 Jakub Jelinek <jakub@redhat.com>
2975 * omp-low.c (expand_omp_for_static_nochunk,
2976 expand_omp_for_static_chunk): Do all arithmetics in signed rather than
2980 * omp-low.c (determine_parallel_type): Don't try to optimize combined
2981 parallels if region->exit or region->inner->exit is NULL.
2982 (expand_omp_parallel): Handle NULL region->exit even if cfg is already
2984 (expand_omp_for_generic): Handle NULL region->cond and region->exit.
2985 (expand_omp_for): Use expand_omp_for_generic if either region->cond
2986 or region->exit is NULL.
2987 (expand_omp_sections): Handle NULL region->cond or region->exit.
2990 2006-12-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2992 * config/sparc/sp64-elf.h (JUMP_TABLES_IN_TEXT_SECTION): Delete.
2993 * config/sparc/sysv4.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
2995 2006-12-04 Eric Botcazou <ebotcazou@adacore.com>
2997 * tree.c (walk_type_fields): Do not handle TYPE_MIN_VALUE and
2998 TYPE_MAX_VALUE for scalar types here but...
2999 (walk_tree): ...there instead. Return NULL_TREE if the TYPE_DECL
3000 is attached an error mark, and the return value of the callback
3001 if it is not NULL_TREE.
3003 2006-12-04 Ben Elliston <bje@au.ibm.com>
3005 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
3007 2006-12-03 Eric Christopher <echristo@apple.com>
3010 * config/t-slibgcc-darwin: Pass -install_name.
3011 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
3012 libtool. Only pass through options that the linker recognizes.
3013 (LINK_SPEC): Update comment. Translate options.
3014 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
3015 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
3017 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
3019 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
3021 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
3024 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
3025 operands[1] in insn constraint. Correct type attribute to sselog1.
3027 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
3030 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
3032 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
3033 processor detection.
3035 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
3036 -march=native if there is no -mtune=*.
3038 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
3041 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3043 * doc/install.texi: Update recommended MPFR version. Remove
3044 obsolete reference to cumulative patch.
3046 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
3049 * c-decl.c (store_parm_decls_oldstyle): Robustify.
3051 2006-11-30 Jan Hubicka <jh@suse.cz>
3052 Uros Bizjak <ubizjak@gmail.com>
3054 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
3055 32bit memcpy/memset decriptors.
3056 (decide_alg): With -minline-all-stringops and sizes that are best
3057 to be copied via libcall still work hard enough to pick non-libcall
3060 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
3062 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
3064 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
3065 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
3066 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
3067 config/sh/sh4-300.md, config/spu/spu-builtins.def,
3068 config/spu/spu-c.c, config/spu/spu-modes.def,
3069 config/spu/spu.c, config/spu/spu.md,
3070 config/spu/spu_internals.h, config/spu/vmx2spu.h,
3071 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
3072 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
3073 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
3074 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
3075 spelling conventions.
3077 * config/i386/i386.c: Fix a comment typo.
3079 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3081 * config/spu/spu.c (spu_immediate): Remove trailing comma.
3082 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
3083 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
3084 better optimization.
3085 (floatv4siv4sf2): New.
3086 (fix_truncv4sfv4si2): New.
3087 (floatunsv4siv4sf2): New.
3088 (fixuns_truncv4sfv4si2): New.
3096 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
3097 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
3098 spu_resolve_overloaded_builtin instead of static inline functions.
3100 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
3102 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
3103 type instead of the size of its mode to compute the highest and
3104 lowest possible values. Still check the size of the mode before
3105 flipping the signedness of the comparison.
3107 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
3109 * config/spu/predicates.md (spu_mov_operand): Add.
3110 * config/spu/spu.c (spu_expand_extv): Remove unused code.
3111 (print_operand_address, print_operand): Handle addresses containing AND.
3112 (spu_split_load, spu_split_store): Use updated movti pattern.
3113 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
3114 stores in mov patterns for correct operation of reload.
3115 (lq, lq_<mode>, stq, stq_<mode>): Remove.
3117 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3120 * c-common.c (check_main_parameter_types): Check for error_mark_node.
3122 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
3124 * common.opt (ftree-combine-temps): Remove.
3125 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
3126 (coalesce_ssa_name): Don't check for combine-temps.
3127 (coalesce_vars): Remove.
3128 (check_replaceable): Use num_imm_uses.
3129 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
3130 check for combine-temps.
3131 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
3132 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
3133 to register_ssa_partition calls.
3134 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
3135 (init_var_map, delete_var_map): remove refernces to ref_count.
3136 (create_ssa_var_map): Never calculate a ref count.
3137 (type_var_init): Remove.
3138 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
3139 (SSA_VAR_MAP_REF_COUNT): Delete.
3140 (create_ssa_var_map): Change Prototype to have no parameters.
3141 (version_ref_count): Delete.
3142 (register_ssa_partition): Remove 'is_use' paramater and don't set the
3144 (type_var_num, type_var, type_var_first_partition,
3145 type_var_next_partition, type_var_dump, type_var_delete,
3146 type_var_remove_partition, type_var_find, type_var_compact,
3147 type_var_decompact): Remove.
3149 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3151 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
3154 2006-12-01 Richard Guenther <rguenther@suse.de>
3157 * dwarf2out.c (struct pubname_struct): Make name const.
3158 (add_pubtype): Do not xstrdup identifiers.
3160 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
3162 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
3163 multiword accesses are in range.
3165 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3167 PR tree-optimization/29921
3168 * tree-ssa-ccp.c (canonicalize_float_value): New function.
3169 (set_lattice_value): Use canonicalize_float_value.
3171 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
3173 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
3174 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
3175 (spu_cpu_cpp_builtins): Remove.
3176 (spu_override_options): Don't set warn_main.
3177 (spu_force_reg): Move from spu-c.c.
3178 (spu_check_builtin_parm): Likewise.
3179 (expand_builtin_args): Likewise.
3180 (spu_expand_builtin_1): Likewise.
3181 (spu_expand_builtin): Likewise.
3182 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
3183 warn_main and targetm.resolve_overloaded_builtin.
3184 * config/spu/spu-c.c (spu_builtin_range): Remove.
3185 (spu_check_builtin_parm): Remove.
3186 (expand_builtin_args): Remove.
3187 (spu_expand_builtin_1): Remove.
3188 (spu_expand_builtin): Remove.
3189 (spu_cpu_cpp_builtins): Moved from spu.c
3190 (spu_force_reg): Remove.
3192 2006-12-01 Joseph Myers <joseph@codesourcery.com>
3193 David Edelsohn <edelsohn@gnu.org>
3196 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
3197 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
3198 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
3199 HARD_REGNO_NREGS_WITH_PADDING): Define.
3200 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
3201 HARD_REGNO_NREGS_WITH_PADDING): Define.
3202 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
3203 Use new macros to detect modes with holes; do not look at integer
3205 (subreg_offset_representable_p): Check for and disallow cases
3206 where the modes use different numbers of bits from registers.
3207 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
3208 constant for soft-float.
3209 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
3211 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
3212 in E500 double case.
3213 * config/rs6000/rs6000.md (movtf): Allow soft-float.
3214 (movtf_softfloat): New.
3216 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3218 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
3219 simplify_gen_subreg.
3221 2006-11-30 Andrew Macleod <amacleod@redhat.com>
3223 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
3224 (COALESCE_HASH_FN): New. Define hash function.
3225 (partition_pair_map_hash): New. Hash value for a partition pair.
3226 (partition_pair_map_eq): New. Equality for hash pairs.
3227 (create_coalesce_list): Create hash table.
3228 (delete_coalesce_list): Free hash table.
3229 (find_partition_pair): Find/create pairs in hash table.
3230 (compare_pairs): Sort pairs in ascending order now.
3231 (num_coalesce_pairs): New. Number of pairs in hash table.
3232 (struct partition_pair_iterator): Iterator struct for pair table.
3233 (first_partition_pair): Iterator function for first pair.
3234 (end_partition_pair_p): Iterator function for end of iteration.
3235 (next_partition_pair): Iterator function for next pair.
3236 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
3237 (sort_coalesce_list): Sort pairs from hash table into an array.
3238 (pop_best_coalesce): Take pairs from the array.
3239 (dump_coalesce_list): Update to use hash table or sorted array.
3240 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
3241 (struct coalesce_list_d): Add hash table related fields.
3243 2006-11-30 Jan Hubicka <jh@suse.cz>
3246 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
3247 memmove/bcopy->memcpy conversion.
3249 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
3251 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
3252 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
3253 Default is the largest alignment supported for 32-bit ELF and
3254 representable on a 32-bit host.
3256 2006-11-30 Janis Johnson <janis187@us.ibm.com>
3258 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
3260 2006-11-30 Jan Hubicka <jh@suse.cz>
3262 * tree-ssa-operands.h (struct ssa_operands): New.
3263 * tree-flow-inline.h (gimple_ssa_operands): New function.
3264 * tree-flow.h: (struct gimple_df): Add ssa_operands.
3265 * Makefile.in: Remove gt-tree-ssa-operands.h
3266 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
3267 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
3268 operand_memory, operand_memory_index, ops_active): Remove statics.
3269 (ALLOC_OPTYPE): Update.
3270 (operand_build_sort_virtual): Update.
3271 (ssa_operands_active): Update.
3272 (init_ssa_operands): Update.
3273 (fini_ssa_operands): Update.
3274 (ssa_operand_alloc): Update.
3275 (INITIALIZE_USE): Update.
3276 (finalize_ssa_use_ops): Update.
3277 (finalize_ssa_v_may_def_ops): Update.
3278 (finalize_ssa_vuse_ops): Update.
3279 (finalize_ssa_v_must_def_ops): Update.
3281 2006-11-30 Richard Guenther <rguenther@suse.de>
3283 * tree-vectorizer.h (vectorizable_function): Export.
3284 * tree-vect-transform.c (vectorizable_function): Likewise.
3285 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
3286 type_in to scalar type in recognition of squaring.
3287 Make sure the target can vectorize sqrt in recognition
3288 of sqrt, set type_in to vector type in this case.
3290 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3292 * config/i386/i386.md (R10_REG): New constant.
3293 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
3294 (ix86_emit_restore_regs_using_mov): Ditto.
3295 (ix86_expand_call): Ditto.
3296 (x86_output_mi_thunk): Ditto. Also use R10_REG.
3298 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3300 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
3301 * alias.c (canon_true_dependence): Update comment.
3303 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
3305 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
3306 at the end of a diagnostics message.
3308 * alloc-pool.c (pool_free): Postpone clearing the pool entry
3309 until after asserting that it was allocated in the right pool.
3311 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
3312 successor edge information as well. Make output of live regs
3313 on exit consistent with live regs on entry.
3315 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3318 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
3319 insn patterns for TARGET_80387.
3320 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
3321 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
3322 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
3323 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
3324 Generate truncxf<mode>2 insn patterns for strict SSE math.
3326 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
3328 * config/i386/i386.md (movsf_1): Enable pattern for standard
3329 80387 constants before reload when optimizing for size.
3330 (*movdf_nointeger, *movdf_integer): Ditto.
3331 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
3332 80387 constants before reload when not optimizing for size.
3334 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
3335 extension of XFmode input operands.
3337 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3339 * config/spu/crt0.c (__dso_handle): Define.
3341 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
3343 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
3344 when clearing the used flags.
3346 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3348 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
3350 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3353 * config/spu/spu.md (extend_compare<mode>): New pattern.
3354 (extend_compare): Change to expand and use the above pattern.
3356 2006-11-29 Janis Johnson <janis187@us.ibm.com>
3358 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
3360 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
3361 (DFP_INIT_ROUNDMODE): Define.
3362 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
3363 * mklibgcc.in: Fix dependencies for dfp-bit.c.
3365 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
3367 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
3368 Update documentation.
3369 (associate_line_notes_with_blocks): Kill.
3370 (extend_bb): Remove basic block argument, put void instead.
3371 Remove line number handling for each bb.
3372 (save_line_notes): Kill.
3373 (restore_line_notes): Kill.
3374 (sched_init): Remove line_note_head initialization.
3375 Change extend_bb call.
3376 (sched_finish): Remove free of line_note_head.
3377 (add_block): Change extend_bb call.
3378 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
3379 rm_line_notes and restore_line_notes calls.
3380 (schedule_ebbs): Remove rm_redundant_line_notes.
3381 * sched-int.h (struct haifa_insn_data): Remove line_note.
3382 (save_line_notes): Remove declaration.
3383 (restore_line_notes): Remove declaration.
3384 * modulo-sched.c (loop_canon_p): Update debug info printing
3385 by using insn locators instead of line note.
3386 (sms_schedule): Update debug info printing, by using insn
3387 locators instead of line note.
3388 * sched-rgn.c (debug_dependencies): Remove handling of case
3389 n>0 (line number), since it's a dead code.
3390 (schedule_region): Remove save_line_notes and
3391 restore_line_notes calls.
3393 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3395 * config/rs6000/predicates.md (gpc_reg_operand): Check
3396 invalid_e500_subreg.
3397 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
3398 SImode subregs of SPE vectors.
3399 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
3400 * jump.c (true_regnum): Require subregs to satisfy
3401 subreg_offset_representable_p.
3403 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
3404 Steven Bosscher <stevenb.gcc@gmail.com>
3406 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
3407 since it no longer exists.
3409 2006-11-29 Duncan Sands <baldrick@free.fr>
3411 PR tree-optimization/23744
3412 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
3414 2006-11-29 Duncan Sands <baldrick@free.fr>
3416 PR tree-optimization/23744
3417 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
3419 2006-11-29 Duncan Sands <baldrick@free.fr>
3421 PR tree-optimization/23744
3422 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
3424 2006-11-29 Jie Zhang <jie.zhang@analog.com>
3426 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
3428 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
3430 * sh.opt (minline-ic_invalidate): New option.
3431 (musermode): Adjust comment.
3432 * sh.c (sh_initialize_trampoline): Emit library call unless
3433 is set; if it is set, don't emit library call if we can use icbi
3435 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
3436 icbi for TARGET_SH4_300.
3437 * t-sh (LIB1ASMFUNCS_CACHE): Set.
3438 * doc/invoke.texi: Document -minline-ic_invalidate; Update
3439 -musermode documentation.
3441 2006-11-29 Jim Tison <jtison@us.ibm.com>
3443 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
3444 __gthread_recursive_mutex_init): Define.
3446 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3448 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
3449 STRICT_ALIGNMENT and the type is more aligned than the saved
3450 registers, copy via a temporary.
3452 2006-11-28 Andrew Pinski <pinskia@gmail.com>
3455 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
3458 2006-11-28 Bob Wilson <bob.wilson@acm.org>
3460 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
3462 2006-11-28 Jan Hubicka <jh@suse.cz>
3464 Privatize SSA variables into gimple_df.
3465 * tree-flow-inline.h
3466 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
3467 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
3468 gimple_nonlocal_all): New accessors.
3469 (first_referenced_var): Update.
3470 (mark_stmt_modified): Update.
3471 (is_call_clobbered): Update.
3472 (mark_call_clobbered): Update.
3473 (clear_call_clobbered): Update.
3474 (mark_non_addressable): Update.
3475 * tree-vrp.c (get_value_range): Update.
3476 * tree-into-ssa.c (in_ssa_p): Kill.
3477 (get_default_def_for): Update.
3478 (rewrite_into_ssa): Update.
3479 * tree-complex.c (init_parameter_lattice_values): Update.
3480 (update_complex_assignment): Update.
3481 (update_parameter_components): Update.
3482 (expand_complex_libcall): Update.
3483 (expand_complex_operations_1): Update.
3484 * tree-tailcall.c (arg_needs_copy_p): Update.
3485 (add_virtual_phis): Update.
3486 (tree_optimize_tail_calls_1): Update.
3487 * tree-ssa-dse.c (memory_ssa_name_same): Update.
3488 * tree-ssa-copyrename.c
3489 (copy_rename_partition_coalesce): Update.
3490 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
3491 * tree-ssa-propagate.c (set_rhs): Update.
3492 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
3493 addressable_vars, global_var):Kill.
3494 (set_initial_properties): Update.
3495 (init_alias_info): Update.
3496 (finalize_ref_all_pointers): Update.
3497 (setup_pointers_and_addressables): Update.
3498 (maybe_create_global_var): Update.
3499 (create_global_var): Update.
3500 (dump_points_to_info): Update.
3501 * function.h (struct gimple_df): Forward declare.
3502 (struct function): Add GIMPLE_DF field.
3503 * gimplify.c (force_gimple_operand): Update.
3504 * tree-dfa.c (referenced_vars, default_defs): KIll.
3505 (make_rename_temp): Update.
3506 (dump_variable): Update.
3507 (referenced_var_lookup): Update.
3508 (referenced_var_check_and_insert): Update.
3509 (default_def): Rename to ...
3510 (gimple_default_def): ... this one; accept cfun argument.
3511 (set_default_def): Update.
3512 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
3513 (cleanup_control_flow): Update.
3514 * tree-ssa-pre.c (compute_avail): Update
3515 * tree-ssa-live.c (calculate_live_on_entry): Update.
3516 * tree-ssa.c (verify_use): Update.
3517 (verify_call_clobbering): Update.
3518 (verify_call_clobbering): Update.
3519 (init_tree_ssa): Update.
3520 (delete_tree_ssa): Update.
3521 * tree-outof-ssa.c (coalesce_ssa_name): Update.
3522 (rewrite_out_of_ssa): Update.
3523 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
3524 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
3526 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
3527 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
3528 addressable_vars, aliases_computed_p): Kill.
3529 (default_def): Rename to...
3530 (gimple_default_def): ... this one.
3531 (defaule_def_fn): Kill.
3532 (num_referenced_vars, ssa_names, num_ssa_names): Update.
3533 * tree-ssa-structalias.c (nonlocal_all): Kill.
3534 (get_constraint_exp_from_ssa_var): Update.
3535 (create_nonlocal_var): Update.
3536 (get_constraint_for): Update.
3537 (update_alias_info): Update.
3538 (find_global_initializers): Update.
3539 (intra_create_variable_infos): Update.
3540 (intra_create_variable_infos):
3541 (find_what_p_points_to): Update.
3542 (init_alias_heapvars): Update.
3543 * tree-cfg.c (remove_bb): Update.
3544 (gimplify_val): Update.
3545 * tree-ssa-reassoc.c (get_rank): Update.
3546 (init_reassoc): Update.
3547 * tree-ssanames.c: Do not include gt-tree-ssanames.h
3548 (ssa_names, free_ssanames): Kill.
3549 (init_ssanames): Update.
3550 (make_ssa_name): Update.
3551 (release_ssa_name): Update.
3552 (release_defs): Update.
3553 (replace_ssa_name_symbol): Update.
3554 * tree-ssa-operands.c (access_can_touch_variable): Update.
3555 (add_virtual_operand): Update.
3556 (add_call_clobber_ops): Update.
3557 (add_call_read_ops): Update.
3558 (get_call_expr_operands): Update.
3559 (get_asm_expr_operands): Update.
3561 2006-11-28 Jan Hubicka <jh@suse.cz>
3563 * builtins.c: Include tree-flow.h.
3564 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
3565 assignment; convert memmove to memcpy for sizes greater than 1 where
3566 alignment of operands prohibit the partial overlap.
3568 2006-11-28 Jan Hubicka <jh@suse.cz>
3570 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
3571 * cgraph.c (dump_cgraph_node): Dump stack usage.
3572 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
3573 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
3574 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
3575 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
3576 (cgraph_check_inline_limits): Limit stack growth.
3577 * cfgexpand.c: Include tree-inline.h.
3578 (account_stack_vars): New function.
3579 (expand_one_var): New param to just account the stack; return estimated
3581 (expand_used_vars_for_block): Update call of expand_one_var.
3582 (account_used_vars_for_block): New function.
3583 (estimated_stack_frame_size): Likewise.
3584 (init_vars_expansion, fini_vars_expansion): Break out from..
3585 (expand_used_vars): ... here.
3586 * tree-inline.h (estimated_stack_frame_size): Declare.
3587 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
3589 2006-11-28 Richard Guenther <rguenther@suse.de>
3591 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
3592 unsigned long for printing OBJECT_SIZE.
3594 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
3596 * alias.c (init_alias_analysis): Remove simplification loop
3597 after propagating pointers.
3599 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3601 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
3604 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3606 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
3608 2006-11-27 Roger Sayle <roger@eyesopen.com>
3609 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3611 * c-common.c (constant_fits_type_p): Delete.
3612 (unsigned_conversion_warning): Delete.
3613 (conversion_warning): Integrate Wconversion warning from
3614 unsigned_conversion_warning.
3615 (convert_and_check): Integrate Woverflow warning from
3616 unsigned_conversion_warning. Reorganize and simplify to avoid
3617 dependence upon the middle-end setting TREE_OVERFLOW on integral
3618 conversions, by using int_fits_type_p directly.
3620 2006-11-27 Tobias Burnus <burnus@net-b.de>
3622 * doc/invoke.texi: Fixed typo.
3624 2006-11-27 Michael Matz <matz@suse.de>
3625 Andreas Krebbel <krebbel1@de.ibm.com>
3628 * config/s390/predicates.md (larl_operand): Check addend of larl
3629 operand to be in range of -/+2GB.
3630 * config/s390/s390.c (legitimize_pic_address): Likewise.
3631 Changed type of variable even to HOST_WIDE_INT.
3633 2006-11-27 Jan Hubicka <jh@suse.cz>
3635 * expr.c (emit_block_move_via_libcall): Export.
3636 (clear_storage_via_libcall): Rename to ...
3637 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
3638 (clear_storage): Update to set_storage_via_libcall.
3639 * expr.h (emit_block_move_via_libcall): Declare
3640 * config/i386/i386.h (stringop_alg): New enum.
3641 (MAX_STRINGOP_ALGS): New constant.
3642 (stringop_algs): New struct.
3643 (processor_costs): Add memcpy/memset descriptors.
3644 (TARGET_REP_MOVEL_OPTIMAL): Remove.
3645 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
3646 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
3648 * config/i386/i386.opt (minline-stringops-dynamically,
3649 mstringop-strategy): New
3651 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
3652 (ix86_expand-clrmem): Rename to ...
3653 (ix86_expand_setmem): ... this one; update prototype.
3654 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
3655 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
3656 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
3657 nocona_cost, core2_cost, generic_cost, generic64_cost,
3658 generic32_cost): Add memcpy/memset descriptors.
3659 (x86_rep_movl_optimal): Remove.
3660 (stringop_alg): New static variable.
3661 (ix86_expand_aligntest): Handle predictions.
3662 (override_options): Add strgop_alg handling.
3663 (predict_jump): New function.
3664 (scale_counter): New function.
3665 (expand_set_or_movmem_via_loop): New function.
3666 (expand_movmem_via_rep_mov): New function.
3667 (expand_setmem_via_rep_stots): New function.
3668 (emit_strmov): New function.
3669 (expand_movmem_epilogue): New function.
3670 (expand_setmem_epilogue_via_loop): New function.
3671 (expand_setmem_epilogue): New function.
3672 (expand_movmem_prologue): New function.
3673 (expand_setmem_prologue): New function.
3674 (decide_alg): New function.
3675 (decide_alignment): New function.
3676 (ix86_exand_movmem): Rewrite.
3677 (promote_duplicated_reg): New function.
3678 (ix86_expand_clrmem): Rename to ...
3679 (ix86_expand_setmem): ... this one. Rewrite.
3681 * invoke.texi (minline-stringops-dynamically): New command line option.
3682 (mstringop-strategy): Likewise.
3684 2006-11-27 Jan Hubicka <jh@suse.cz>
3686 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
3687 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
3688 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
3689 * insn-notes.def (FUNCTION_END): Remove.
3690 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
3691 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
3693 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
3694 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
3695 * cfglayout.c (duplicate_insn_chain): Don't worry about
3698 2006-11-27 Richard Guenther <rguenther@suse.de>
3699 Zdenek Dvorak <dvorakz@suse.cz>
3701 * target.h (struct gcc_target): Add builtin_vectorized_function
3703 * target-def.h (TARGET_VECTORIZE): Likewise.
3704 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3705 Document new target hook.
3706 * targhooks.h (default_builtin_vectorized_function): Declare.
3707 * targhooks.c (default_builtin_vectorized_function): Define.
3708 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
3709 (vectorizable_call): Declare.
3710 * tree-vect-analyze.c (vect_analyze_operations): Call
3712 * tree-vect-transform.c (vectorizable_function): New static function.
3713 (build_vectorized_function_call): Likewise.
3714 (vectorizable_call): New function.
3715 (vect_transform_stmt): Handle vectorizable calls.
3717 2006-11-27 Richard Guenther <rguenther@suse.de>
3720 * builtins.c (expand_builtin_pow): Optimize non integer valued
3721 constant exponents using sqrt or cbrt if possible. Always fall back
3722 to expanding via optabs.
3724 2006-11-27 Ira Rosen <irar@il.ibm.com>
3726 PR tree-optimization/22372
3727 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
3728 the type of the base address.
3729 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
3730 it in the data-ref pointer creation.
3731 (vect_init_vector): Add an argument, type of the init vector. Use it in
3733 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
3734 (get_initial_def_for_reduction): Likewise.
3735 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
3737 (vectorizable_assignment, vect_permute_store_chain): Likewise.
3738 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
3739 correct type in stmt creation.
3740 (vect_setup_realignment): Use the correct type in stmt creation.
3741 (vect_permute_load_chain): Change type of MODIFY_EXPR to
3743 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
3744 of MODIFY_EXPR to void_type_node.
3745 (vectorizable_condition): Change type of MODIFY_EXPR to
3747 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
3750 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
3753 2006-05-08 Uros Bizjak <uros@kss-loka.si>
3754 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
3755 standard 80387 constants, raise the cost to prevent
3756 compress_float_constant() to generate load from memory.
3758 * config/i386/i386.md: Add new splitter pattern to split
3759 float_extended load of constant from constant pool into
3762 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3764 * doc/install.texi: Move GMP/MPFR configure options from Fortran
3765 section to general section. Remove documentation for
3766 --with-mpfr-dir and --with-gmp-dir, add documentation for
3767 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
3770 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
3772 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3774 * testsuite/gcc.dg/ipa/ipa-6.c: New.
3776 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
3778 PR tree-optimization/29122
3779 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
3780 for the new version. Assign NULL to DECL_RTL of the new version.
3782 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3784 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
3786 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3788 * cse.c (cse_altered): Remove.
3789 (record_jump_equiv): Make true/false argument a bool instead
3791 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
3792 where appropriate. Emit a new jump before the existing one
3793 instead of after so that delete_insn_and_edges removes the
3794 dead edges properly. Check any_condjump_p before calling
3796 (cse_basic_block): Check any_condjump_p before calling
3798 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
3800 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
3802 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
3803 -ffixed-line-length-* options.
3805 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
3807 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
3808 (fprem1xf4): Rename to fprem1xf4_i387.
3810 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
3811 Rename patterns to fmod<mode>3. Use general_operand operand
3812 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
3813 patterns for SSE math.
3814 (remaindersf3, remainderdf3): Ditto.
3816 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3818 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
3819 inside start_sequence / end_sequence pair.
3821 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3823 * jump.c (mark_all_labels): Work in cfglayout mode.
3824 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
3825 when in cfglayout mode, because there are no dead jumptables
3827 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
3829 (commit_edge_insertions): Do not allow insertion of instructions
3830 with control flow insns when in cfglayout mode.
3832 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
3834 * tree-vrp.c (execute_vrp): Do not pass loops structure through
3836 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
3837 unswitch_loop): Ditto.
3838 * tree-loop-linear.c (linear_transform_loops): Ditto.
3839 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
3840 tree_ssa_lim): Ditto.
3841 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
3842 free_numbers_of_iterations_estimates): Ditto.
3843 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
3844 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
3845 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
3846 remove_path, add_loop, loopify, unloop, fix_loop_placements,
3847 place_new_loop, duplicate_loop, duplicate_subloops,
3848 update_single_exit_for_duplicated_loops, copy_loops_to,
3849 duplicate_loop_to_header_edge, create_preheaders,
3850 force_single_succ_latches, loop_version, fix_loop_structure):
3852 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
3853 tree_unroll_loop): Ditto.
3854 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
3855 * tree-scalar-evolution.c (select_loops_exit_conditions,
3856 scev_initialize, scev_analysis): Ditto.
3857 * tree-scalar-evolution.h (scev_initialize): Ditto.
3858 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
3859 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
3860 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
3861 * modulo-sched.c (sms_schedule): Ditto.
3862 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
3863 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
3864 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
3865 * ifcvt.c (if_convert): Ditto.
3866 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
3867 canonicalize_loop_induction_variables,
3868 canonicalize_induction_variables,
3869 tree_unroll_loops_completely, remove_empty_loops): Ditto.
3870 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
3871 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
3872 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
3873 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
3874 tree_ssa_loop_done): Ditto.
3875 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
3876 estimate_bb_frequencies): Ditto.
3877 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
3878 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
3879 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
3880 decide_unrolling_and_peeling, peel_loop_completely,
3881 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3882 peel_loop_simple, unroll_loop_stupid): Ditto.
3883 * loop-doloop.c (doloop_optimize_loops): Ditto.
3884 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
3885 * loop-invariant.c (move_loop_invariants): Ditto.
3886 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
3887 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
3888 tree_ssa_prefetch_arrays): Ditto.
3889 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
3891 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
3892 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
3893 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
3894 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
3895 verify_loop_structure): Ditto.
3896 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
3897 canonicalize_induction_variables, tree_unroll_loops_completely,
3898 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
3899 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
3900 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
3901 tree_unroll_loop, linear_transform_loops): Declaration changed.
3902 * basic-block.h: Remove declaration of struct loops.
3903 * cfghooks.h (struct cfg_hooks): Change type of
3904 cfg_hook_duplicate_loop_to_header_edge.
3905 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
3906 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
3907 vect_transform_loop): Declaration changed.
3908 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
3909 * cfgloop.h (flow_loops_dump, fix_loop_structure,
3910 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
3911 cancel_loop_tree, create_preheaders, force_single_succ_latches,
3912 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
3913 loopify, loop_version, remove_path, unswitch_loops,
3914 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
3915 Declaration changed.
3917 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
3919 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
3920 (X87MODEF): New mode macro.
3921 (ssemodefsuffix): New mode attribute.
3922 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
3923 (sqrt_extend<mode>xf2_i387): New insn pattern.
3924 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
3925 insn and truncate result back to original mode using
3926 UNSPEC_TRUNC_NOOP truncation.
3927 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
3928 ssemodefsuffix mode attribute.
3929 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
3930 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
3931 (*sqrtextenddfxf2_i387): Remove insn patterns.
3933 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
3934 truncation patterns.
3936 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
3938 2006-11-24 Jakub Jelinek <jakub@redhat.com>
3941 * c-tree.h (c_maybe_initialize_eh): New prototype.
3942 * c-decl.c (finish_decl): Move EH initialization...
3943 (c_maybe_initialize_eh): ... here. New function.
3944 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
3945 if not #pragma omp atomic.
3948 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
3949 or UNION_TYPE inner types.
3951 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
3954 * ipa-pure-const.c (check_tree): If the original tree
3955 is volatile return early and say the function is not pure
3956 nor const. Remove the volatile check for writes.
3957 (analyze_function): Print out the result of the local
3960 2006-11-24 Joseph Myers <joseph@codesourcery.com>
3962 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
3964 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
3965 * config/rs6000/rs6000.c (rs6000_override_options): Use
3966 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
3969 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
3971 * config/s390.c (s390_emit_compare_and_swap): New function.
3972 (s390_expand_cs_hqi, s390_expand_atomic): Call
3973 s390_emit_compare_and_swap.
3975 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3977 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
3979 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3983 * c-common.c (conversion_warning): New.
3984 (convert_and_check): Call conversion_warning unless there is an
3986 * doc/invoke.texi (-Wconversion): Update description.
3988 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
3990 * tree-ssa-alias.c (tree_pointer_compare): New function.
3991 (compact_name_tags): New function.
3992 (group_aliases): Call compact_name_tags.
3994 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3996 * real.h (real_isinteger): Declare.
3997 * real.c (real_isinteger): Define.
3998 * builtins.c (integer_valued_real_p): Use it.
4000 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4003 * c.opt (Wtraditional-conversion): New.
4004 (Wconversion): Update description.
4005 * c-typeck.c (convert_arguments): Warnings for prototypes causing
4006 type conversions different from what would happen in the absence
4007 of prototype are now handled by Wtraditional-conversion.
4008 * doc/invoke.texi (Wtraditional-conversion): New.
4009 (Wconversion): Update description.
4010 * doc/trouble.texi (Wconversion): Replace Wconversion by
4011 Wtraditional-conversion.
4013 2006-11-23 Andrew Pinski <pinskia@gmail.com>
4015 * predict.c (tree_estimate_probability): Check to make
4016 sure current_loops is non null before calling flow_loops_dump.
4018 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4020 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
4022 2006-11-23 David Ung <davidu@mips.com>
4024 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
4026 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
4027 (ASM_SPEC): Pass along -mfp32 and -mfp64.
4028 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
4029 high part of FP register when in 64-bit FP register mode. Similarly
4030 use gen_mfhc1 to load high part of FP register.
4031 (override_options): Allow -mgp32 and -mfp64 combination if
4032 ISA_HAS_MXHC1 (currently for O32 only).
4033 (mips_cannot_change_mode_class): If floating-point registers are
4034 bigger than word size. disallow conversion of float register from a
4035 large integer mode to a float mode smaller than the float register
4037 (mips_class_max_nregs): Handle float registers case seperately.
4038 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
4040 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
4041 (movdf_hardfloat_32bit): Similarly.
4042 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
4043 support a full 64-bit fpu.
4044 (mthc1): New pattern to generate MTHC1 instruction.
4045 (mfhc1): New pattern to generate MFHC1 instruction.
4046 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
4047 option for the MIPS32R2 and mention its use under O32 ABI.
4049 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
4051 * var-tracking.c (emit_note_insn_var_location): Take care not to
4052 cause verify_flow_info failures.
4054 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
4056 * tree-ssa-structalias.c: Remove edge weights in favor of just
4057 processing them as complex constraints.
4058 (struct constraint_graph): Remove weighted succs and preds. Rename
4059 nonweighted succs and preds.
4060 (constraint_edge): Removed.
4061 (constraint_edge_t): Ditto.
4062 (constraint_edge_pool): Ditto.
4063 (new_constraint_edge): Ditto.
4064 (constraint_edge_equal): Ditto.
4065 (constraint_edge_less): Ditto.
4066 (constraint_edge_vec_find): Ditto.
4067 (erase_self_graph_edge): Ditto.
4068 (add_graph_edge): Removed.
4069 (get_graph_weights): Ditto.
4070 (allocate_graph_weights): Ditto.
4071 (valid_weighted_graph_edge): Ditto
4072 (bitmap_other_than_zero_bit_set): Ditto.
4073 (int_add_graph_edge): Renamed to add_graph_edge.
4074 (clear_edges_for_node): Remove support for weighted edges.
4075 (merge_graph_nodes): Ditto.
4076 (valid_graph_edge): Ditto.
4077 (build_constraint_graph): Ditto.
4079 (collapse_nodes): Ditto.
4080 (process_unification_queue): Ditto.
4081 (topo_visit): Ditto.
4082 (do_ds_constraint): Ditto.
4083 (perform_var_subsitution): Ditto.
4084 (solve_graph): Ditto.
4085 (init_alias_vars): Ditto.
4086 (delete_points_to_sets): Ditto.
4087 (do_complex_constraint): Support offsetted copies here.
4089 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
4091 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
4093 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
4095 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
4098 2006-11-23 Ben Elliston <bje@au.ibm.com>
4100 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
4102 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
4104 PR tree-optimization/29921
4105 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
4106 signed and unsigned zero equal.
4108 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
4110 * config/rs6000/rs6000.c (get_store_dest): New.
4111 (adjacent_mem_locations): Use get_store_dest() to get
4112 the rtl of the store destination.
4114 2006-11-22 Joseph Myers <joseph@codesourcery.com>
4116 * config/rs6000/spe.md (SPE64): New mode macro.
4117 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
4119 (mov_si<mode>_e500_subreg0_2): New.
4120 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
4122 (mov_si<mode>_e500_subreg4_2): New.
4123 * config/rs6000/predicates.md (input_operand): Do not allow
4124 invalid E500 subregs.
4125 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
4127 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
4128 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
4129 involving vector modes if TARGET_SPE.
4131 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
4134 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
4135 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
4137 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
4139 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
4140 mem_i_address_operand): New predicates.
4141 * config/bfin/bfin.c (bfin_issue_rate): New function.
4142 (TARGET_SCHED_ISSUE_RATE): New macro.
4143 * config/bfin/bfin.md (addrtype): New attribute.
4144 (slot0, slot1, slot2, store, pregs): New cpu_units.
4145 (core): Now a define_reservation.
4146 (alu): Remove some insn types from this reservation.
4147 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
4149 (dummy reservation): Don't trigger for mcld insns.
4150 (absence_sets): Two new absence sets to enforce slot ordering.
4151 (popsi_insn): Set addrtype.
4153 2006-11-22 Ira Rosen <irar@il.ibm.com>
4155 * doc/c-tree.texi: Document new tree codes.
4156 * doc/md.texi: Document new optabs.
4157 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
4159 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
4160 * optabs.h (optab_index): Add new.
4161 (vec_extract_even_optab, vec_extract_odd_optab,
4162 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
4163 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
4164 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
4166 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
4167 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
4168 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
4169 along with macros for their access.
4170 * tree-data-ref.h (first_location_in_loop, data_reference): Update
4172 * tree-vect-analyze.c (toplev.h): Include.
4173 (vect_determine_vectorization_factor): Fix indentation.
4174 (vect_insert_into_interleaving_chain,
4175 vect_update_interleaving_chain, vect_equal_offsets): New functions.
4176 (vect_analyze_data_ref_dependence): Add argument for interleaving
4177 check. Check for interleaving if it's true.
4178 (vect_check_dependences): New function.
4179 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
4180 every ddr. Call vect_analyze_data_ref_dependence with new argument.
4181 (vect_update_misalignment_for_peel): Update for interleaving.
4182 (vect_verify_datarefs_alignment): Check only first data-ref for
4184 (vect_enhance_data_refs_alignment): Update for interleaving. Check
4185 only first data-ref for interleaving.
4186 (vect_analyze_data_ref_access): Check interleaving, update
4188 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
4189 with different parameters.
4190 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
4191 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
4192 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
4193 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
4194 Update step in case of interleaving.
4195 (vect_strided_store_supported, vect_permute_store_chain): New
4197 (vectorizable_store): Handle strided stores.
4198 (vect_strided_load_supported, vect_permute_load_chain,
4199 vect_transform_strided_load): New functions.
4200 (vectorizable_load): Handle strided loads.
4201 (vect_transform_stmt): Add argument. Handle strided stores. Check
4202 that vectorized stmt exists for patterns.
4203 (vect_gen_niters_for_prolog_loop): Update calculation for
4205 (vect_transform_loop): Remove stmt_vec_info for strided stores after
4206 whole chain vectorization.
4207 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
4208 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
4209 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
4210 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
4211 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
4213 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
4215 * cse.c (enum taken): Remove PATH_AROUND.
4216 (addr_affects_sp_p, invalidate_skipped_set,
4217 invalidate_skipped_block): Remove.
4218 (cse_end_of_basic_block): Remove skip_blocks and related code.
4219 (cse_main): Don't test for flag_cse_skip_blocks.
4220 Update cse_end_of_basic_block call.
4221 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
4222 code to lengthen the path if a jump was simplified.
4224 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4226 PR rtl-optimization/29924
4227 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
4228 (unroll_loop_runtime_iterations): Assert that the argument passed to
4229 split_edge_and_insert is not NULL.
4230 * loop-doloop.c (add_test): Ditto.
4232 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4234 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
4236 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
4237 * cfgloopmanip.c (update_single_exits_after_duplication,
4238 update_single_exit_for_duplicated_loop, loop_version): Ditto.
4239 * tree-scalar-evolution.c (get_loop_exit_condition,
4240 get_exit_conditions_rec, loop_closed_phi_def,
4241 number_of_iterations_in_loop, scev_const_prop): Ditto.
4242 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
4243 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
4245 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
4247 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
4248 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
4249 slpeel_make_loop_iterate_ntimes,
4250 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
4251 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
4253 * tree-if-conv.c (if_convertible_loop_p): Ditto.
4254 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
4255 vect_analyze_loop_form): Ditto.
4256 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
4257 can_convert_to_perfect_nest, perfect_nestify): Ditto.
4258 * tree-vect-transform.c (vect_create_epilog_for_reduction,
4259 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
4260 vect_transform_loop): Ditto.
4261 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
4262 (single_exit, set_single_exit): New functions.
4263 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
4264 (single_exit, set_single_exit): Declare.
4265 * doc/loop.texi: Undocument single_exit field. Document single_exit
4268 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
4270 PR tree-optimization/29902
4271 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
4272 any involved ssa name appears in abnormal phi node.
4274 2006-11-21 Bob Wilson <bob.wilson@acm.org>
4276 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
4277 (xtensa_const_ok_for_letter_p): Delete.
4278 (xtensa_extra_constraint): Delete.
4279 (override_options): Delete xtensa_char_to_class initialization.
4280 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
4281 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4282 (EXTRA_CONSTRAINT): Delete.
4283 * config/xtensa/xtensa.md: Include constraints.md.
4284 (call_internal): Combine alternatives.
4285 (call_value_internal): Likewise, and remove invalid constraints.
4286 * config/xtensa/constraints.md: New file.
4287 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
4288 (xtensa_extra_constraint): Delete.
4289 * doc/md.texi (Machine Constraints): Refer to constraints.md for
4292 2006-11-21 Janis Johnson <janis187@us.ibm.com>
4294 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
4295 of conversion that doesn't fit.
4297 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
4298 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
4299 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
4301 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
4303 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
4305 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
4307 2006-11-21 Richard Guenther <rguenther@suse.de>
4309 * tree-vectorizer.h (NUM_PATTERNS): Increase.
4310 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
4311 vect_recog_pow_pattern.
4312 (vect_recog_pow_pattern): New function.
4314 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
4316 * config/bfin/bfin.opt (mstack-check-l1): New.
4317 * doc/invoke.texi (Blackfin Options): Document it.
4318 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
4319 stack bounds in L1 memory if the new option is enabled.
4320 (override_options): Don't allow combinations of -fstack-limit and
4322 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
4325 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
4327 (bfin_register_move_cost): Bump costs if trying to move plain
4328 integer values through accumulators.
4330 2006-11-21 Ben Elliston <bje@au.ibm.com>
4332 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
4334 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
4335 Russell Olsen <Russell_Olsen@playstation.sony.com>
4336 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
4337 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
4338 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
4339 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
4340 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
4342 * config.gcc: Add target for SPU.
4343 * config/spu/constraints.md: New file.
4344 * config/spu/crt0.c: New file.
4345 * config/spu/crtend.c: New file.
4346 * config/spu/crti.asm: New file.
4347 * config/spu/crtn.asm: New file.
4348 * config/spu/float_unsdidf.c: New file.
4349 * config/spu/float_unssidf.c: New file.
4350 * config/spu/predicates.md: New file.
4351 * config/spu/spu-builtins.def: New file.
4352 * config/spu/spu-builtins.h: New file.
4353 * config/spu/spu-builtins.md: New file.
4354 * config/spu/spu-c.c: New file.
4355 * config/spu/spu-elf.h: New file.
4356 * config/spu/spu-modes.def: New file.
4357 * config/spu/spu-protos.h: New file.
4358 * config/spu/spu.c: New file.
4359 * config/spu/spu.h: New file.
4360 * config/spu/spu.md: New file.
4361 * config/spu/spu.opt: New file.
4362 * config/spu/spu_internals.h: New file.
4363 * config/spu/spu_intrinsics.h: New file.
4364 * config/spu/spu_mfcio.h: New file.
4365 * config/spu/t-spu-elf: New file.
4366 * config/spu/vec_types.h: New file.
4367 * config/spu/vmx2spu.h: New file.
4368 * doc/contrib.texi: Document SPU contributor.
4369 * doc/extend.texi: Document SPU extensions.
4370 * doc/invoke.texi: Document SPU options.
4371 * doc/md.texi: Document SPU constraints.
4373 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4375 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
4377 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
4379 (flow_loop_dump): Do not dump loop level.
4380 (flow_loops_find): Do not call flow_loops_level_compute.
4381 * cfgloop.h (struct loop): Remove level field.
4383 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
4385 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
4386 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
4387 Use vector of edges instead of array.
4388 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
4389 estimate_numbers_of_iterations_loop): Ditto.
4390 * predict.c (predict_loops): Ditto.
4391 * loop-unroll.c (analyze_insns_in_loop): Ditto.
4392 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
4394 * basic-block.h: Declare heap allocation for edge vectors.
4395 * tree-outof-ssa.c: Ditto.
4396 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
4397 * cfgloop.h (get_loop_exit_edges): Declaration changed.
4399 2006-11-20 Zack Weinberg <zackw@panix.com>
4401 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
4402 Add another out parameter, "skip".
4403 (set_gc_used_type): Adjust calls to process_gc_options. If a field
4404 is tagged "skip", do not mark its type used.
4406 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
4409 * tree-sra.c (single_scalar_field_in_record_p): New function.
4410 (decide_block_copy): Use it.
4412 2006-11-20 David Daney <ddaney@avtrex.com>
4414 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
4415 PC to point to following instruction.
4417 2006-11-20 Anatoly Sokolov <aesok@post.ru>
4421 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
4423 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
4425 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
4427 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
4428 Add sh/superh.h to tm_file.
4430 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
4431 Mark Mitchell <mark@codesourcery.com>
4433 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
4435 (cpp_relocated): New function.
4436 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
4438 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
4439 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
4440 replace configured prefix with gcc_exec_prefix.
4442 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
4444 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
4445 bfin_legitimate_constant_p.
4446 * config/bfin/bfin.md (movsi expander): Check return value of
4448 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
4449 (expand_move): Adjust prototype.
4450 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
4451 invalid constants specially.
4452 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
4454 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
4456 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
4457 sibcall_value_symbol): Allow these patterns if
4458 TARGET_LEAF_ID_SHARED_LIBRARY.
4459 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
4460 (override_options): Turn on id shared library flags if -msep-data,
4461 but disallow the combination of these options on the command line.
4462 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
4463 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
4464 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
4465 -mid-shared-library.
4466 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
4467 * doc/invoke.texi (Blackfin Options): Document new switches.
4469 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
4470 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
4472 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
4473 inflate costs for addresses with an out-of-bounds address.
4475 2006-11-19 Andrew Pinski <pinskia@gmail.com>
4478 * fwprop.c (loops): Remove.
4479 (forward_propagate_into): Use current_loops instead of
4481 (fwprop_init): Call loop_optimizer_init instead of
4483 (fwprop_done): Call loop_optimizer_finalize instead of
4485 (fwprop): Use current_loops instead of loops.
4487 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
4490 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
4492 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4495 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
4496 larger than BITS_PER_WORD.
4498 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4502 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
4503 to MAX_FIXED_MODE_SIZE.
4505 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
4508 (fold_builtin_fmin_fmax): New.
4509 (fold_builtin_1): Use it.
4511 * fold-const.c (fold_strip_sign_ops): Handle copysign.
4513 2006-11-18 Richard Guenther <rguenther@suse.de>
4515 * config/i386/i386.c (ix86_builtins): New array for ix86
4516 builtin function decls.
4517 (def_builtin): New function.
4518 (def_builtin_const): Likewise.
4519 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
4521 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
4523 * doc/invoke.texi (core2): Add item.
4525 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
4527 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
4528 (TARGET_CPU_DEFAULT_generic): Change value.
4529 (TARGET_CPU_DEFAULT_NAMES): Add core2.
4530 (processor_type): Add new constant PROCESSOR_CORE2.
4532 * config/i386/i386.md (cpu): Add core2.
4534 * config/i386/i386.c (core2_cost): New initialized variable.
4535 (m_CORE2): New macro.
4536 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
4537 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
4538 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
4539 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
4540 x86_partial_reg_dependency, x86_memory_mismatch_stall,
4541 x86_accumulate_outgoing_args, x86_prologue_using_move,
4542 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
4543 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
4544 x86_use_incdec, x86_four_jump_limit, x86_schedule,
4545 x86_pad_returns): Add m_CORE2.
4546 (override_options): Add entries for Core2.
4547 (ix86_issue_rate): Add case for Core2.
4549 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
4551 * doc/invoke.texi: Fix mno-isel typo.
4553 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4555 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
4556 easy vector constant loads.
4558 2006-11-18 Joseph Myers <joseph@codesourcery.com>
4560 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
4561 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4562 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
4563 * config/rs6000/sync.md (lwsync): Emit plain sync if
4566 2006-11-17 DJ Delorie <dj@redhat.com>
4568 * reload1.c (reloads_unique_chain): New.
4569 (reloads_conflict): Call it.
4571 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4573 * config/xtensa/predicates.md (addsubx_operand): New.
4574 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
4575 (xtensa_emit_bit_branch): New.
4576 (xtensa_emit_movcc): New.
4577 * config/xtensa/xtensa.md (any_minmax): New code macro.
4578 (minmax): New code attribute.
4579 (any_cond, any_scc, any_scc_sf): New code macros.
4580 (*addx2, *addx4, *addx8): Delete.
4582 (*subx2, *subx4, *subx8): Delete.
4584 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
4585 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
4586 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
4587 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
4588 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
4589 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
4590 (movsfcc_internal0, movsfcc_internal1): Likewise.
4591 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
4592 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
4593 (xtensa_emit_bit_branch): New.
4594 (xtensa_emit_movcc): New.
4595 (function_arg_boundary): Add missing prototype.
4597 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4599 * config/xtensa/xtensa.md (tstsi): Delete
4601 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4603 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
4605 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4607 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4609 2006-11-17 Bob Wilson <bob.wilson@acm.org>
4611 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
4613 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4615 * tree-vrp.c (execute_vrp): Do not update current_loops.
4616 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
4617 * doc/loop.texi: Remove documentation for cancelled functions.
4618 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
4619 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
4621 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
4622 (remove_path): Ensure that in delete_basic_blocks, the loops
4623 are still allocated.
4624 (add_loop): Work on valid loop structures.
4625 (loopify): Modify call of add_loop.
4626 (mfb_update_loops): Removed.
4627 (create_preheader): Do not update loops explicitly.
4628 (force_single_succ_latches, loop_version): Do not use
4629 loop_split_edge_with.
4630 (loop_split_edge_with): Removed.
4631 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
4632 Do not use bsi_insert_on_edge_immediate_loop.
4633 (split_loop_exit_edge, tree_unroll_loop): Do not use
4634 loop_split_edge_with.
4635 (bsi_insert_on_edge_immediate_loop): Removed.
4636 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
4637 use loop_split_edge_with.
4638 * cfghooks.c: Include cfgloop.h.
4639 (verify_flow_info): Verify that loop_father is filled iff current_loops
4641 (redirect_edge_and_branch_force, split_block, delete_basic_block,
4642 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
4644 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
4646 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
4647 loop_split_edge_with.
4648 (sms_schedule): Use current_loops.
4649 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
4650 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
4652 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
4653 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
4654 * ifcvt.c (if_convert): Ditto.
4655 * predict.c (predict_loops): Do not clear current_loops.
4656 (tree_estimate_probability): Use current_loops.
4657 (propagate_freq): Receive head of the region to propagate instead of
4659 (estimate_loops_at_level): Do not use shared to_visit bitmap.
4660 (estimate_loops): New function. Handle case current_loops == NULL.
4661 (estimate_bb_frequencies): Do not allocate tovisit. Use
4663 * tree-ssa-loop.c (current_loops): Removed.
4664 (tree_loop_optimizer_init): Do not return loops.
4665 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
4666 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
4667 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
4668 Do not update loops explicitly.
4669 * function.h (struct function): Add x_current_loops field.
4670 (current_loops): New macro.
4671 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
4672 * loop-unroll.c (split_edge_and_insert): New function.
4673 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
4674 use loop_split_edge_with.
4675 * loop-doloop.c (add_test, doloop_modify): Ditto.
4676 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
4677 * cfglayout.c (copy_bbs): Do not update loops explicitly.
4678 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
4679 * tree-vect-transform.c (vect_transform_loop): Do not update loops
4681 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
4682 (flow_loops_free): Do not free dfs_order and rc_order.
4683 (flow_loops_find): Do not set dfs_order and rc_order in loops
4684 structure. Do not call loops and flow info verification.
4685 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
4686 already belongs to some loop.
4687 * cfgloop.h (struct loops): Remove struct cfg.
4688 (current_loops, loop_split_edge_with): Declaration removed.
4689 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
4690 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
4691 Declaration removed.
4692 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
4693 * basic-block.h (split_edge_and_insert): Declare.
4694 * tree-cfg.c (remove_bb): Do not update loops explicitly.
4696 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4698 PR tree-optimization/29801
4699 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
4700 (get_default_value): Use get_symbol_constant_value.
4701 (set_lattice_value): ICE when the value of the constant is
4703 (visit_assignment): Ignore VDEFs of read-only variables.
4705 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4707 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
4709 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4710 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
4712 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
4714 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
4715 select subvars of var.
4717 2006-11-17 Jakub Jelinek <jakub@redhat.com>
4720 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
4721 optimize if DEF doesn't have integral type.
4723 2006-11-16 Mike Stump <mrs@apple.com>
4725 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
4726 pre-darwin9 system, unless the user asks for it directly.
4727 (PREFERRED_DEBUGGING_TYPE): Likewise.
4728 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
4729 * config.gcc: Add suppport for darwin9.h.
4730 * config/darwin9.h: Add.
4731 * doc/install.texi (Specific): Clarify darwin documentation.
4733 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4735 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
4736 optimizing for size.
4738 2006-11-16 Mike Stump <mrs@apple.com>
4740 * Makefile.in (targhooks.o): Add $(OPTABS_H).
4742 2006-11-16 Dirk Mueller <dmueller@suse.de>
4744 * tree-vrp.c (get_value_range): Use XCNEW instead
4746 (insert_range_assertions): Use XCNEWVEC instead
4747 of XNEWVEC and memset.
4748 (vrp_initialize): Same.
4749 (vrp_finalize): Same.
4750 * tree-ssa-ccp.c (ccp_initialize): Same.
4751 * predict.c (tree_bb_level_predictions): Same.
4752 * calls.c (expand_call): Same.
4753 * tree-ssa-copy.c (init_copy_prop): Same.
4754 (fini_copy_prop): Same.
4755 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
4756 of GGC_NEW and memset.
4758 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
4761 * gimplify.c (gimplify_expr): Only force a load for references to
4762 non-BLKmode volatile values.
4763 * doc/implement-c.texi (Qualifiers implementation): Document the
4764 interpretation of what a volatile access is.
4765 * doc/extend.texi (C++ Extensions): Rework same documentation.
4767 2006-11-16 Joseph Myers <joseph@codesourcery.com>
4769 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
4772 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
4774 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
4776 (arm_neg_abssi2): Renamed from neg_abssi2.
4777 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
4779 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
4781 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
4782 number of arguments passed to local functions in SSE registers is 3.
4784 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
4785 number of arguments passed in SSE registers to 3.
4787 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4790 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
4792 (get_last_bb_insn): ... new global function.
4793 (basic_block.h): Declare it.
4794 * haifa-sched.c (create_recovery_block): Use it.
4796 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
4799 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
4801 2006-11-15 Paul Brook <paul@codesourcery.com>
4803 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
4804 _Unwind_GetTextRelBase): Move from here ...
4805 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
4806 _Unwind_GetTextRelBase): ... To here.
4808 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4810 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
4811 addresses we generate for testing are aligned.
4813 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
4816 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
4817 to what is the const decl is a place holder for.
4819 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
4821 * config/i386/i386.opt: New target option -mx87regparm.
4823 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
4824 and float_in_x87 variables. mmx_words, sse_words: Remove.
4825 (X87_REGPARM_MAX): Define.
4827 * config/i386/i386.c (override_options): Error out for
4828 -mx87regparm but no 80387 support.
4829 (ix86_attribute_table): Add x87regparm.
4830 (ix86_handle_cconv_attribute): Update comments for x87regparm.
4831 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
4832 (ix86_function_x87regparm): New function.
4833 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
4835 (init_cumulative_args): Initialize x87_nregs and float_in_x87
4837 (function_arg_advance): Process x87_nregs and x87_regno when
4838 floating point argument is to be passed in 80387 register.
4839 (function_arg): Pass XFmode arguments in 80387 registers for local
4840 functions. Pass SFmode and DFmode arguments to local functions
4841 in 80387 registers when flag_unsafe_math_optimizations is set.
4843 * reg-stack.c (convert_regs_entry): Disable NaN load for
4844 stack registers that are used for argument passing.
4846 * doc/extend.texi: Document x87regparm function attribute.
4847 * doc/invoke.texi: Document -mx87regparm.
4849 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4851 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
4852 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
4853 arg MODE; all callers changed. Use it to determine validity per
4854 machine mode instead of using Pmode for all memory references.
4855 (get_address_cost): Likewise add and use new arg MEM_MODE.
4857 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
4858 J"orn Rennecke <joern.rennecke@st.com>
4860 * combine.c (likely_spilled_retval_1): Fix masking operation.
4861 (likely_spilled_retval_p): Use proper pattern for call to
4862 likely_spilled_retval_1.
4864 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
4866 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
4868 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
4869 that tests for CONSTANT_POOL_ADDRESS_P.
4871 2006-11-15 Jakub Jelinek <jakub@redhat.com>
4873 PR tree-optimization/29581
4874 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
4875 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
4876 type is different between Y and USE, create a temporary
4877 variable, initialize it at the beginning of the body bb
4878 and use it as replacement instead of Y.
4880 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
4883 * gimplify.c (fold_indirect_ref_rhs): Use
4884 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
4886 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
4888 * expmed.c (emit_store_flag_1): New function.
4889 (emit_store_flag): Call it. If we can't find a suitable scc insn,
4891 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
4892 Use do_compare_rtx_and_jump.
4893 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
4894 * arm.md (cstoresi4): New define_expand.
4895 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
4896 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
4897 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
4899 2006-11-14 Caroline Tice <ctice@apple.com>
4901 * dwarf2out.c (debug_pubtypes_section): New static global variable.
4902 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
4904 (pubname_table): Redefine as a vector.
4905 (pubtype_table): New static global variable, defined as a vector.
4906 (pubname_table_allocated): Remove static global variable.
4907 (pubname_table_in_use): Remove static global variable.
4908 (PUBNAME_TABLE_INCREMENT): Remove constant.
4909 (size_of_pubnames): Add parameter to deal with either pubnames or
4910 pubtypes, and change code to deal with table being a vector.
4911 (add_pubname): Change to deal with table being a vector.
4912 (add_pubtype): New function.
4913 (output_pubnames): Add parameter to deal with either pubnames or
4914 pubtypes, and change code to deal with table being a vector.
4915 (gen_array_type_die): Add call to add_pubtype.
4916 (gen_enumeration_type_die): Add call to add_pubtype.
4917 (gen_struct_or_union_type_die): Add call to add_pubtype.
4918 (gen_subroutine_type_die): Add call to add_pubtype.
4919 (gen_typedef_die): Add call to add_pubtype.
4920 (dwarf2out_init): Add code to initialize pubname_table and
4921 pubtype_table vectors; also initialize debug_pubtypes_section.
4922 (prune_unused_types): Change to deal with pubnames being a vector.
4923 (dwarf2out_finish): Change to deal with pubnames being a vector; add
4924 pubnames table to call to output_pubnames; Add code to output pubtypes
4925 table if DEBUG_PUBTYPES_SECTION is defined.
4926 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
4928 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
4930 2006-11-14 Joseph Myers <joseph@codesourcery.com>
4932 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
4933 iwmmxt_nregs if TARGET_IWMMXT_ABI.
4934 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
4935 movv2si_internal): Support moves between core registers.
4937 2006-11-14 Eric Christopher <echristo@apple.com>
4939 * configure: Regenerate with autoconf 2.59.
4941 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
4943 Fix PR tree-optimization/27755
4945 * tree-ssa-pre.c: Update comments.
4946 (bb_bitmap_sets): Add pa_in and deferred member.
4947 (BB_DEFERRED): New macro.
4948 (maximal_set): New variable.
4949 (pre_stats): Add pa_insert member.
4950 (bitmap_set_and): Short circuit orig == dest.
4951 (bitmap_set_subtract_values): New function.
4952 (bitmap_set_contains_expr): Ditto.
4953 (translate_vuses_through_block): Add phiblock argument.
4954 (dependent_clean): New function.
4955 (compute_antic_aux): Update for maximal_set changes.
4956 (compute_partial_antic_aux): New function.
4957 (compute_antic): Handle partial anticipation.
4958 (do_partial_partial_insertion): New function.
4959 (insert_aux): Handle partial anticipation.
4960 (add_to_sets): Add to maximal set.
4961 (compute_avail): Ditto.
4962 (init_pre): Initialize maximal_set.
4963 (execute_pre): Do partial anticipation if -O3+.
4965 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
4967 PR rtl-optimization/29798
4969 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
4970 TARGET_INSN before any other check.
4971 (fwprop_init): Always calculate dominators.
4972 (fwprop_done): Always free them.
4974 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4976 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
4979 2006-11-13 DJ Delorie <dj@redhat.com>
4981 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
4982 temporary for intermediates.
4984 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
4986 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
4987 (sh_optimize_target_register_callee_saved): #if 0 the code
4988 using NOTE_INSN_LOOP_{BEG,END}.
4990 2006-11-13 Roger Sayle <roger@eyesopen.com>
4992 * fold-const.c (optimize_bit_field_compare): Recursively call
4993 fold when simplifying non-constant comparisons between bit-fields.
4995 2006-11-13 Jakub Jelinek <jakub@redhat.com>
4997 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
4999 * configure: Rebuilt.
5001 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
5003 * config/rs6000/cell.md: New file.
5004 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
5006 (ppccell_cost): New cost matrix.
5007 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
5008 (rs6000_override_options): Set rs6000_always_hint to false
5009 for cell. Also align functions/lables/loops to 8byte
5010 for the Cell. Use PROCESSOR_CELL.
5011 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
5012 using_mtcr_multiple.
5013 (rs6000_variable_issue): If the insn is a nonpipelined instruction
5014 on the Cell, return 0.
5015 (rs6000_adjust_cost): Add Cell cost adjustments.
5016 (is_microcoded_insn): Return true for Cell microcoded
5018 (is_nonpipeline_insn): New function.
5019 (rs6000_issue_rate): Add PROCESSOR_CELL.
5020 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
5022 (rs6000_use_sched_lookahead_guard): New function.
5023 (rs6000_sched_reorder): Reorder the ready list, if the second
5024 to last ready insn is a nonepipeline insn on the Cell.
5025 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
5026 (ASM_CPU_SPEC): Add Cell.
5027 * config/rs6000/rs6000.md (cpu): Add Cell.
5028 (cell_micro): New Attr.
5031 2006-11-13 Jakub Jelinek <jakub@redhat.com>
5033 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
5035 * configure: Rebuilt.
5037 2006-11-13 Richard Guenther <rguenther@suse.de>
5039 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
5041 (ix86_expand_lfloorceil): Likewise.
5042 (ix86_expand_rint): Likewise.
5043 (ix86_expand_floorceildf_32): Likewise.
5044 (ix86_expand_floorceil): Likewise.
5045 (ix86_expand_rounddf_32): Likewise.
5046 (ix86_expand_truncdf_32): Likewise.
5047 (ix86_expand_round): Likewise.
5049 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
5050 Mark Mitchell <mark@codesourcery.com>
5052 * gcc.c: Organize search path variables into $prefix relative,
5053 and well-known native. Add comments.
5054 (add_sysrooted_prefix): Add comment.
5055 (process_command): If !gcc_exec_prefix add $prefix based paths.
5056 If *cross_compile == '0', add native well-known paths.
5057 Assert tooldir_base_prefix is always relative.
5058 (main): If print_search_dirs, and if gcc_exec_prefix is set,
5059 use this value for 'install:' path.
5060 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
5062 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5064 * config/i386/i386.c: Fix a typo in comment.
5066 2006-11-13 Michael Matz <matz@suse.de>
5068 * genemit.c (gen_expand): Allocate enough memory.
5070 2006-11-13 Joseph Myers <joseph@codesourcery.com>
5072 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
5073 __GXX_TYPEINFO_EQUALITY_INLINE but not
5074 __GXX_MERGED_TYPEINFO_NAMES.
5075 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
5076 __GXX_MERGED_TYPEINFO_NAMES.
5077 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
5078 __GXX_TYPEINFO_EQUALITY_INLINE.
5080 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
5081 Zdenek Dvorak <dvorakz@suse.cz>
5083 PR tree-optimization/29680
5084 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
5087 2006-11-12 Jason Merrill <jason@redhat.com>
5088 Andrew Pinski <pinskia@physics.uc.edu>
5091 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
5093 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
5095 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
5096 * tree.c (build_vector): Handle non-_CST elements.
5098 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
5100 * genemit.c (gen_insn): Call gen_exp with a non-null used
5101 when handling multiple insns.
5102 (gen_expand): Likewise.
5103 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
5104 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
5105 (movsi_const_16bit+1): Copy operands[1].
5106 (call_pcrel): Copy the call_site pattern.
5107 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
5109 2006-11-12 Roger Sayle <roger@eyesopen.com>
5111 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
5112 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
5113 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
5114 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
5116 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
5118 Fix PR tree-optimization/29587
5119 * tree-ssa-structalias.c (process_constraint): Don't
5120 mark address taken due only to escaped vars constraint.
5122 2006-11-12 Michael Matz <matz@suse.de>
5123 Roger Sayle <roger@eyesopen.com>
5125 PR rtl-optimization/29797
5126 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
5127 BITS_BIG_ENDIAN targets.
5129 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5131 * builtins.c (fold_builtin_cosh): New.
5132 (fold_builtin_1): Use it.
5133 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
5134 trunc to the list of "odd" functions. Also add llrint, lrint,
5135 rint and nearbyint when flag_rounding_math is false.
5137 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5139 * tree-flow.h (name_mappings_registered_p): Declare.
5140 * tree-into-ssa.c (name_mappings_registered_p): New function.
5141 * tree-cfg.c (tree_can_merge_blocks_p): Check
5142 name_mappings_registered_p instead of need_ssa_update_p.
5144 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5146 * tree-ssa-loop.c (tree_vectorize): Return the result of
5148 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
5149 if anything changed.
5150 * tree-vectorizer.h (vectorize_loops): Declaration removed.
5151 * tree-flow.h (vectorize_loops): Declaration changed.
5153 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5155 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
5157 (issue_prefetch_ref): Move assignment to write_p out of loop.
5158 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
5159 SIMULTANEOUS_PREFETCHES into account.
5160 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
5161 * lambda-code.c (lcm): Renamed to ...
5162 (least_common_multiple): ... and exported.
5163 * tree-flow.h (least_common_multiple): Declare.
5165 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5167 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
5168 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
5169 ud-chains. Handle AND_EXPR.
5170 (record_estimate): Record whether the estimate is realistic
5171 and whether it is derived from a loop exit.
5172 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
5173 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
5175 (compute_estimated_nb_iterations): Take only realistic bounds into
5176 account. Set estimate_state. Use double_ints.
5177 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
5178 and infer_loop_bounds_from_signedness. Do not consider basic blocks
5179 that do not have to be always executed.
5180 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
5181 to determine whether to call infer_loop_bounds_from_undefined
5182 and compute_estimated_nb_iterations.
5183 (n_of_executions_at_most): Use double_ints.
5184 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
5185 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
5186 * double-int.c (double_int_to_tree): Improve comment.
5187 (double_int_fits_to_tree_p): New function.
5188 * double-int.h (double_int_fits_to_tree_p): Declare.
5189 * tree-data-ref.c: Include langhooks.h.
5190 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
5191 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
5192 (analyze_array): Do not pass estimate_only argument to
5193 analyze_array_indexes.
5194 (get_number_of_iters_for_loop): Build tree from the stored double_int
5196 (get_references_in_stmt, find_data_references_in_stmt): New functions.
5197 (find_data_references_in_loop): Use find_data_references_in_stmt.
5198 * tree-data-ref.h (struct data_ref_loc_d): New.
5199 (get_references_in_stmt): Declare.
5200 (estimate_iters_using_array): Declaration removed.
5201 * cfgloop.h (struct nb_iter_bound): Change type of bound to
5202 double_int. Improve comments. Add is_exit and realistic
5204 (struct loop): Changed type of estimated_nb_iterations to double_int.
5205 Added estimate_state field.
5206 (record_estimate): Declaration removed.
5208 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5210 * params.c (set_param_value): Initialize the "set" field.
5211 * params.h (struct param_info): Add "set" field.
5212 (PARAM_SET_P): New macro.
5213 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
5214 L1_CACHE_LINE_SIZE): New macros.
5215 * toplev.c (DEFPARAM): Initialize the "set" field.
5216 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
5217 SIMULTANEOUS_PREFETCHES): Removed.
5218 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
5219 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
5220 * config/sparc/sparc.c: Include params.h.
5221 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
5222 L1_CACHE_LINE_SIZE parameters.
5223 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5225 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
5227 * config/i386/i386.c: Include params.h.
5228 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
5229 (override_options): Set SIMULTANEOUS_PREFETCHES and
5230 L1_CACHE_LINE_SIZE parameters.
5231 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
5232 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
5233 L1_CACHE_LINE_SIZE parameters.
5234 * config/ia64/ia64.c (ia64_optimization_options): Set
5235 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
5236 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
5238 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
5239 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
5240 * doc/invoke.texi: Document new params.
5242 2006-11-12 Roger Sayle <roger@eyesopen.com>
5244 PR tree-optimization/13827
5245 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
5248 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
5250 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
5251 update_single_exit_for_duplicated_loops): New functions.
5252 (duplicate_loop_to_header_edge): Use
5253 update_single_exit_for_duplicated_loops.
5254 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
5255 functions only with ENABLE_CHECKING.
5257 2006-11-12 Andreas Schwab <schwab@suse.de>
5259 * except.c (sjlj_emit_function_enter): Remove unused variable.
5261 2006-11-11 Roger Sayle <roger@eyesopen.com>
5263 * fold-const.c (int_binop_types_match_p): New function.
5264 (size_binop): Relax constraint that both arguments must both have
5265 exactly the same sizetype type. Instead use int_binop_types_match_p.
5266 (size_diffop): Likewise.
5268 (make_range): Use build_int_cst instead of fold_convert.
5269 (fold_cond_expr_with_comparison): Use build_int_cst to construct
5270 integer constants of the correct type.
5271 (fold_div_compare): Likewise.
5272 (fold_single_bit_test): Likewise.
5273 (fold_binary): Likewise.
5274 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
5275 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
5277 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
5280 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
5281 non null value if the struct memory access is in the 0th
5284 2006-11-12 Jie Zhang <jie.zhang@analog.com>
5287 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5288 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5291 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
5292 instead of builtin_define for bfin and BFIN.
5294 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5296 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
5299 2006-11-11 Jan Hubicka <jh@suse.cz>
5301 * extend.texi (__builtin_expect): We no longer require second argument
5303 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
5304 * builtins.c (expand_builtin_expect): Simplify.
5305 (expand_builtin_expect_jump): Kill.
5306 * final.c (final_scan_insn): Do not skip the removed notes.
5307 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
5308 EXPECTED_VALUE): Remove.
5309 * dojump.c (do_jump): Do not care about __builtin_expect.
5310 * predict.c (expected_value_to_br_prob): Kill.
5311 * function.c (expand_function_end): Do not expand
5312 NOTE_INSN_REPEATED_LINE_NUMBER.
5313 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
5314 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
5315 * cfgexpand.c (add_reg_br_prob_note): Export.
5316 * cfgcleanup.c (rest_of_handle_jump2): Do not call
5317 expected_value_to_br_prob.
5318 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
5319 * rtl.h (add_reg_br_prob_note): Declare.
5321 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5323 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
5325 2006-11-11 Jan Hubicka <jh@suse.cz>
5327 * predict.c (predict_loops): Kill RTL variant.
5329 2006-11-11 Jan Hubicka <jh@suse.cz>
5331 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
5332 * modulo-sched.c (find_line_note): Remove.
5333 (loop_canon_p): Do not worry about line number notes.
5334 (sms_schedule): Likewise.
5335 * cse.c (cse_main): Likewise.
5336 * regmove.c (fixup_match_1): Likewise
5337 * function.c (emit_return_info_block): Likewise.
5338 (expand_function_end): Likewise.
5339 (thread_prologue_an_epilogue_insns): Likewise.
5340 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
5342 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
5343 emit_note_copy_after): Kill.
5344 (emit_note_copy): Do not worry about line numbers.
5345 * jump.c (purge_line_number_notes): Kill.
5346 (pass_purge_lineno_notes): Kill.
5347 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
5349 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
5350 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
5351 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
5352 * tree-pass.h (pass_purge_lineno_notes): Kill.
5353 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
5354 rm_redundant_line_notes.
5355 * sched-rgb.c (schedule_region): Don't rm_line_notes,
5356 rm_redundant_line_notes.
5357 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
5358 * haifa-sched.c: Update comment about handling notes.
5359 (unlink_line_notes): Kill.
5360 (rm_line_notes): Kill.
5361 (save_line_notes): Simplify.
5362 (rm_redundant_line_notes): Kill.
5364 2006-11-11 Richard Guenther <rguenther@suse.de>
5366 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
5367 Remove unused tree codes.
5368 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
5369 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
5370 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5371 * tree.c (stabilize_reference): Likewise.
5372 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
5373 fold_unary): Likewise.
5374 * tree-gimple.c (is_gimple_cast): Likewise.
5375 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
5376 * expr.c (expand_expr_real_1): Likewise.
5377 * tree-eh.c (tree_could_trap_p): Likewise.
5378 * gimplify.c (gimplify_expr): Likewise.
5379 * tree-inline.c (estimate_num_insns_1): Likewise.
5380 * tree-cfg.c (verify_expr): Likewise.
5382 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
5384 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
5385 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
5386 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
5388 2006-11-11 Richard Sandiford <richard@codesourcery.com>
5391 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
5392 constraints accept neither registers or memories.
5394 2006-11-11 Jie Zhang <jie.zhang@analog.com>
5396 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
5397 (NO_PROFILE_COUNTERS): Define as 1.
5399 2006-11-10 Roger Sayle <roger@eyesopen.com>
5401 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
5402 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
5404 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
5406 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
5408 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5410 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
5411 (fold_builtin_hypot): Likewise.
5412 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
5414 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
5416 2006-11-10 Roger Sayle <roger@eyesopen.com>
5418 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
5419 when attempting to build INTEGER_CSTs of non-integral types.
5420 * expmed.c (make_tree): Use the correct type, i.e. the inner
5421 type, when constructing the individual elements of a CONST_VECTOR.
5423 2006-11-10 Jan Hubicka <jh@suse.cz>
5425 * cse.c (cse_process_notes): Copy the propagated value.
5426 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
5428 * gcse.c (try_replace_reg): Copy the replacement.
5429 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
5430 (assign_386_stack_local): Always return copied memory expression
5431 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
5434 2006-11-10 Jan Hubicka <jh@suse.cz>
5436 * final.c (final): Walk from first instruction.
5437 * cfglayout.c (insn_locators_initialize): Remove line number notes.
5439 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
5442 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
5444 (umulv8hi3_highpart): Ditto.
5445 (vec_widen_smult_hi_v8hi): New expander.
5446 (vec_widen_smult_lo_v8hi): Ditto.
5448 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5451 * builtins.c (do_mpfr_arg3): New.
5452 (fold_builtin_1): Handle builtins fma, fmin and fmax.
5454 2006-11-09 Eric Christopher <echristo@apple.com>
5459 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
5460 * config.gcc (powerpc64-*-darwin*): New target.
5461 * config.host: Ditto.
5462 * config/rs6000/darwin64.h: New file.
5463 * config/rs6000/x-darwin64: Ditto.
5464 * config/rs6000/host-ppc64-darwin.c: Ditto.
5466 2006-11-09 Steve Ellcey <sje@cup.hp.com>
5468 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
5469 routines for integer division.
5471 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
5473 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
5475 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
5478 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
5480 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
5482 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
5483 simplify_subreg with BLKmode outer mode.
5485 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
5487 * doc/invoke.texi: Minor formatting fixes in option lists.
5489 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
5491 PR tree-optimization/29738
5492 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
5493 (ccp_lattice_t): Remove UNKNOWN_VAL.
5494 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
5495 Do not handle UNKNOWN_VAL.
5496 (get_default_value): Set initial value of virtual operands to
5498 (get_value): Always use get_default_value on uninitialized
5500 (set_value_varying, surely_varying_stmt_p): New functions.
5501 (set_lattice_value): Do not pass argument to get_value.
5502 Do not handle UNKNOWN_VAL.
5503 (likely_value): Follow the semantics described in the comment.
5504 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
5505 phi nodes DONT_SIMULATE_AGAIN.
5506 (ccp_fold): Do not pass argument to get_value.
5507 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
5510 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
5512 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
5513 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
5515 2006-11-08 Roger Sayle <roger@eyesopen.com>
5517 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
5518 test for inclusion rather than as a test for exclusion.
5519 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
5520 the condition after calling fold_binary.
5521 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
5522 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
5523 * builtins.c (fold_builtin_isascii): Likewise.
5524 (fold_builtin_isdigit): Likewise.
5526 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
5528 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
5529 * configure: Regenerate.
5531 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5533 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
5534 enum argument instead of bool.
5535 (vect_analyze_operations): Call vectorizable_type_promotion.
5536 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
5537 stmt_vec_info_type value.
5538 (supportable_widening_operation, vectorizable_type_promotion): New
5539 function declarations.
5540 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
5541 (vectorizable_type_promotion): New function.
5542 (vect_transform_stmt): Call vectorizable_type_promotion.
5543 * tree-vect-analyze.c (supportable_widening_operation): New function.
5544 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
5546 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5549 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
5550 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
5551 * tree-inline.c (estimate_num_insns_1): Add cases for above new
5553 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5554 * expr.c (expand_expr_real_1): Likewise.
5555 * optabs.c (optab_for_tree_code): Likewise.
5556 (init_optabs): Initialize new optabs.
5557 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
5558 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
5559 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
5560 vec_unpacku_lo_optab): Initialize new optabs.
5561 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
5562 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
5563 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
5565 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
5566 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
5567 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
5568 (vec_unpacku_lo_optab): New optabs.
5569 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
5570 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
5571 (vec_widen_smult_hi, vec_widen_smult_lo): New.
5572 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
5573 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
5574 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
5576 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
5577 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
5578 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
5579 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
5580 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
5581 implement the unsigned unpacking patterns.
5582 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
5583 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
5584 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
5585 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
5586 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
5587 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
5588 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
5589 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
5590 multiplication patterns.
5592 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
5593 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
5594 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5595 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
5596 (rs6000_builtin_mul_widen_odd): New.
5597 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
5598 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
5599 * tree-vectorizer.h (enum vect_relevant): New enum type.
5600 (_stmt_vec_info): Field relevant chaned from bool to enum
5602 (STMT_VINFO_RELEVANT_P): Updated.
5603 (STMT_VINFO_RELEVANT): New.
5604 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
5605 instead of STMT_VINFO_RELEVANT_P.
5606 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
5607 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
5608 and boolean variable with enum vect_relevant.
5609 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
5610 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
5611 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
5613 2006-11-08 Richard Henderson <rth@redhat.com>
5615 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
5616 vec_widen_umult_lo_v8hi): New.
5617 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
5618 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
5620 * config/i386/i386.c (ix86_expand_sse_unpack): New.
5621 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
5622 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
5623 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
5624 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
5625 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
5626 vec_unpacks_lo_v4si): New.
5628 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5630 * tree-vect-transform.c (vectorizable_type_demotion): New function.
5631 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
5632 (vect_analyze_operations): Call vectorizable_type_demotion.
5633 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
5634 stmt_vec_info_type value.
5635 (vectorizable_type_demotion): New function declaration.
5636 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
5639 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
5640 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
5642 * tree-iniline.c (estimate_num_insns_1): Likewise.
5643 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
5644 * optabs.c (optab_for_tree_code): Likewise.
5646 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
5647 compared against the predicate of the result is not 'mode' (the input
5648 to the function) but a mode with half the size of 'mode'.
5649 (init_optab): Initialize new optabs.
5650 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
5652 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
5654 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
5655 (vec_pack_usat_optab): Initialize new optabs.
5656 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
5657 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
5659 2006-11-08 Richard Henderson <rth@redehat.com>
5661 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
5662 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
5663 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
5664 (vec_interleave_highv4si, vec_interleave_lowv4si):
5665 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
5667 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5669 * tree-vect-transform.c (vectorizable_reduction): Support multiple
5671 (vect_transform_stmt): Removed redundant code.
5673 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5675 * tree-vect-transform.c (vectorizable_operation): Support multiple
5678 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
5680 * tree-vect-transform.c (vect_align_data_ref): Removed.
5681 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
5682 Updated function documentation. Return the increment stmt in ptr_incr.
5683 (bump_vector_ptr): New function.
5684 (vect_get_vec_def_for_stmt_copy): New function.
5685 (vect_finish_stmt_generation): Create a stmt_info to newly created
5687 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
5689 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
5690 VF is greater than the number of elements that can fit in one vector
5692 (vectorizable_operation, vectorizable_condition): Likewise.
5693 (vectorizable_store, vectorizable_load): Support the case that the VF
5694 is greater than the number of elements that can fit in one vector word.
5695 (vect_transform_loop): Don't fail in case of multiple data-types.
5696 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
5697 in case of multiple data-types; the smallest type determines the VF.
5698 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
5699 if they are of different sizes.
5700 (vect_update_misalignment_for_peel): Compare misalignments in terms of
5701 number of elements rather than number of bytes.
5702 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
5703 (vect_can_advance_ivs_p): Fix a dump printout
5705 2006-11-07 Eric Christopher <echristo@apple.com>
5707 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
5708 (__bswapsi2): Ditto.
5709 * libgcc2.h: Remove transformation of bswap routines.
5710 * config/i386/i386.md (bswapsi2): New.
5713 2006-11-07 Jakub Jelinek <jakub@redhat.com>
5715 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
5716 (handle_gnu_inline_attribute): New function.
5717 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
5718 (merge_decls, start_decl, start_function): Likewise.
5719 * doc/extend.texi: Document gnu_inline attribute.
5721 2006-11-07 Steve Ellcey <sje@cup.hp.com>
5724 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
5725 _fixunstfdi, and _floatditf
5727 2006-11-06 Anatoly Sokolov <aesok@post.ru>
5729 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
5731 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
5732 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
5733 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
5734 which start in an odd register.
5736 2006-11-07 Richard Sandiford <richard@codesourcery.com>
5738 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
5740 2006-11-07 Josh Conner <jconner@apple.com>
5742 * doc/invoke.texi (fstrict-aliasing): Move implementation
5744 * doc/tree-ssa.texi (Alias analysis): ...here.
5746 2006-11-07 Richard Guenther <rguenther@suse.de>
5748 PR tree-optimization/29610
5749 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
5750 of tree_purge_dead_eh_edges as it may free dominators.
5752 * g++.dg/other/pr29610.C: New testcase.
5754 2006-11-07 David Ung <davidu@mips.com>
5756 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
5757 costs when optimizing for size.
5758 (override_options): Use mips_rtx_cost_optimize_size table for cost
5761 2006-11-07 Jie Zhang <jie.zhang@analog.com>
5763 * gcc.c (process_command): Treat -b as normal switch if its argument
5766 2006-11-07 David Ung <davidu@mips.com>
5768 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
5771 2006-11-06 Eric Christopher <echristo@apple.com>
5773 * config.gcc: Add x86_64-darwin host support.
5774 * config.host: Ditto.
5775 * config/i386/darwin64.h: New file.
5776 * config/i386/t-darwin64: Ditto.
5778 2006-11-06 Janis Johnson <janis187@us.ibm.com>
5780 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
5781 and output-exists-not.
5783 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
5786 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
5787 checking for overflow.
5789 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
5791 * configure.ac: Fixed typo in case statement: :: changed to ;;
5793 2006-11-06 Bob Wilson <bob.wilson@acm.org>
5795 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
5796 count_leading_zeros, and count_trailing_zeros.
5797 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
5798 (TARGET_FOLD_BUILTIN): Define.
5799 (TARGET_EXPAND_BUILTIN): Define.
5800 (xtensa_init_builtins): New.
5801 (xtensa_fold_builtin): New.
5802 (xtensa_expand_builtin): New.
5803 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
5804 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
5805 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5806 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
5807 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
5808 (any_extend): New code macro.
5809 (u, su): New code attributes.
5810 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
5811 (nsau): Remove; replaced by clzsi2.
5812 (ffssi2): Use clzsi2.
5813 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
5814 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
5815 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
5816 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
5817 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
5819 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
5821 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
5823 * config/arm/t-strongarm-elf: Likewise.
5824 * config/arm/t-pe: Likewise.
5825 * config/arm/t-arm-elf: Likewise.
5826 * config/arm/t-xscale-elf: Likewise.
5827 * config/arm/t-arm-coff: Likewise.
5828 * config/arm/t-xscale-coff: Likewise.
5829 * config/arm/t-wince-pe: Likewise.
5831 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
5833 * config/sh/lib1funcs-4-300.asm: Guard entire file with
5836 2006-11-05 Jakub Jelinek <jakub@redhat.com>
5839 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
5842 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5845 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
5846 as a valid 80387 constant.
5847 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
5848 * config/i386/i386.md (unnamed splitter): Split the load of
5849 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
5852 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
5854 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
5855 from the soft-frame, argument and virtual registers.
5857 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
5859 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
5860 patterns for standard 80387 constants.
5862 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
5863 Steven Bosscher <steven@gcc.gnu.org>
5865 * fwprop.c: New file.
5866 * Makefile.in: Add fwprop.o.
5867 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
5868 * passes.c (init_optimization_passes): Schedule forward propagation.
5869 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
5871 * timevar.def (TV_FWPROP): New.
5872 * common.opt (-fforward-propagate): New.
5873 * opts.c (decode_options): Enable forward propagation at -O2.
5874 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
5875 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
5876 canon_for_address, table_size): Remove.
5877 (new_basic_block, insert, remove_from_table): Remove references to
5879 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
5880 simplification loop more straightforward by not calling fold_rtx
5882 (equiv_constant): Move here a small part of fold_rtx_subreg,
5883 do not call fold_rtx. Call avoid_constant_pool_reference
5885 * recog.h (canonicalize_change_group): New.
5887 * doc/invoke.texi (Optimization Options): Document fwprop.
5888 * doc/passes.texi (RTL passes): Document fwprop.
5890 2006-11-03 Geoffrey Keating <geoffk@apple.com>
5892 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
5893 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
5894 (grokdeclarator): Likewise.
5896 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
5898 * tree-dump.c (dump_enable_all): Rename local variable
5899 ir_type to avoid name conflicts.
5900 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
5901 instead of using ir_type().
5902 * profile.c (tree_register_profile_hooks): Likewise.
5903 * value-prof.c (tree_register_value_prof_hooks): Likewise.
5904 * basic-block.h (struct edge_def): Likewise.
5905 * config/arm/arm.c (legitimize_pic_address): Likewise.
5906 * coretypes.h (ir_type): New enum of all intermediate languages
5908 * cfghooks.c (ir_type): Rename to...
5909 (current_ir_type): ...this. Distinguish between cfgrtl and
5910 cfglayout mode when the current IR is RTL. Return enum ir_type.
5911 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
5913 2006-11-03 Paul Brook <paul@codesourcery.com>
5915 * config/arm/arm.c (arm_file_start): New function.
5916 (TARGET_ASM_FILE_START): Define.
5917 (arm_default_cpu): New variable.
5918 (arm_override_options): Set arm_default_cpu.
5920 2006-11-03 David Ung <davidu@mips.com>
5922 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
5923 PROCESSOR_24KC and PROCESSOR_24KF.
5924 * config/mips/mips.c (mips_cpu_info_table): Add processor names
5925 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
5926 (mips_rtx_cost_data): Add costs for the 24kc.
5927 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
5928 * config/mips/24k.md: Remove references to 24k and replace with
5929 uses of 24kc/24kf in the appropriate reservations.
5930 * doc/invoke.texi (MIPS Options): Updated.
5932 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5934 * config/sh/crt1.asm: Fix #ifdef indent.
5936 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
5937 Merged from STMicroelectronics sources:
5938 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
5939 * config/sh/crt1.asm (vbr_600): Add missing #if.
5940 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
5941 * sh.opt (mfused-madd): New option.
5942 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
5943 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
5944 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
5945 Remove pointless handler at VBR+0.
5946 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
5947 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
5948 fr7. Make sure the timer handler is called with the correct FPU
5949 precision setting, according to the ABI.
5950 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
5951 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
5952 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
5953 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
5954 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
5955 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
5956 zero as second operand.
5957 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
5958 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5959 Fixed some bugs related to negative values, in particular -0
5960 and overflow at -0x80000000.
5961 * config/sh/divcost-analysis: Added sh4-300 figures.
5962 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
5963 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
5964 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
5965 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
5966 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
5967 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
5969 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
5971 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
5972 SH4-300 scheduling description & fixes to SH4-[12]00 description:
5973 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
5974 mac_mem, mem_mac, dfp_mul, fp_cmp.
5975 (insn_class, dfp_comp, any_fp_comp): Update.
5976 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
5977 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
5978 (muldf3_i): Likewise.
5979 (movsi_i): Split rI08 alternative into two separate alternatives.
5981 (movsi_ie, movsi_i_lowpart): Likewise.
5982 (movqi_i): Split ri alternative into two separate alternatives.
5984 * sh1.md (sh1_load_store, sh1_fp): Update.
5985 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
5986 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
5987 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
5988 (sh4a_fp_double_arith): Likewise.
5989 * sh4-300.md: New file.
5990 * sh.c (sh_handle_option): Handle m4-300* options.
5991 (sh_adjust_cost): Fix latency of auto-increments.
5992 Handle SH4-300 differently than other SH4s. Check for new insn types.
5993 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
5994 been set by an option.
5995 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
5996 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
5997 (mbranch-cost=): Likewise.
5998 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
6000 * sh.md (mulsf3): Remove special expansion code.
6001 (mulsf3_ie): Now a define_insn_and_split.
6002 (macsf3): Allow for TARGET_SH4.
6004 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
6005 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
6006 (expand_cbranchdi4): Likewise.
6007 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
6008 CONST_DOUBLE if the outer code is COMPARE.
6009 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
6010 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
6011 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
6012 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
6013 Remove redundant fp_{zero,one}_operand checks.
6014 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
6015 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
6016 (expand_cbranchdi4): Likewise.
6017 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
6018 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
6020 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
6022 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
6025 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
6027 * doc/invoke.texi: Fix mfp-trap-mode typo.
6029 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
6031 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
6032 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
6033 file_end_indicate_exec_stack.
6034 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
6036 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
6037 for a non-executable stack.
6038 * crti.asm: Likewise.
6039 * crtn.asm: Likewise.
6040 * libunwind.S: Likewise.
6042 2006-11-02 Ben Elliston <bje@au.ibm.com>
6044 * tree-ssa.c (warn_uninit): Use expand_location variables for
6045 locus and declaration locus.
6047 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
6050 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
6051 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
6052 cmp{eq,gt,gtu}{si,di}_media.
6053 (*cmpne0si_media): Remove.
6054 (*movsicc_umin): Adjust gen_cmp*_media call.
6055 (unordered): Change the mode of unordered and operands[1] to
6057 (seq): Adjust gen_cmp*_media calls. Make the mode of
6058 a temporary result of compare SImode if needed. If the mode
6059 of operands[0] is DImode, extend the temporary result to DImode.
6060 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
6061 (sunorderd): Change the mode of match_operand and unorderd to
6063 (cmpeq{sf,df}_media): Remove.
6064 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
6065 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
6066 and compare operation to SImode.
6068 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
6070 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
6072 (sparc64-sun-solaris2*): Likewise.
6074 2006-11-02 Paul Brook <paul@codesourcery.com>
6076 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
6077 from priority argument. Use different section for non-default
6079 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
6081 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
6084 * except.c (switch_to_exception_section): Do not cache the section
6085 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6086 and flag_function_sections is set.
6088 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6091 * builtins.c (do_mpfr_sincos): New.
6092 (fold_builtin_1): Use it to fold builtin sincos.
6094 2006-11-01 Roger Sayle <roger@eyesopen.com>
6096 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6097 it into -D_REENTRANT.
6099 2006-11-01 Roger Sayle <roger@eyesopen.com>
6101 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
6102 whether the assembler supports taking the difference of symbols in
6103 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
6104 * configure: Regenerate.
6105 * config.in: Regenerate.
6106 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
6107 the assembler doesn't support taking the difference of symbols in
6108 different sections, i.e. we're using the native solaris assembler.
6110 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
6111 Peter Bergner <bergner@vnet.ibm.com>
6113 * doc/invoke.texi: Add cpu_type power6x
6114 (RS/6000 and PowerPC Options): Add -mmfpgpr.
6115 * config.gcc: Add cpu_type power6x.
6116 * configure.ac: Add test for mf{t,f}gpr instructions.
6117 (HAVE_AS_MFPGPR): New.
6118 * config.in: Regenerate.
6119 * configure: Regenerate.
6120 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
6121 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
6122 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
6123 and mftgpr attributes.
6124 (define_attr "cpu"): Add power6.
6125 Change instruction sequences to use new attributes.
6126 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
6127 (fix_truncdfsi2_mfpgpr): New.
6128 (floatsidf_ppc64_mfpgpr): New.
6129 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
6130 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
6131 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
6132 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
6133 (fix_truncdfsi2): Use gpc_reg_operand constraint.
6134 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
6135 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
6136 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
6137 cntlz,exts and var_delayed_compare.
6138 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
6139 _ARCH_PWR6X, if features enabled.
6140 * config/rs6000/rs6000.opt (mmfpgpr): New.
6141 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
6142 (cached_can_issue_more): New variable.
6143 (processor_costs): Add power6_cost.
6144 (rs6000_sched_init): New function.
6145 (is_dispatch_slot_restricted): Deleted.
6146 (set_to_load_agen): New function.
6147 (is_load_insn,is_store_insn): New functions.
6148 (adjacent_mem_locations): New function.
6149 (insn_must_be_first_in_group): New function.
6150 (insn_must_be_last_in_group): New function.
6151 (rs6000_sched_reorder): New function.
6152 (rs6000_sched_reorder2): New function.
6153 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
6154 TARGET_SCHED_REORDER2): Define.
6155 (processor_target_table): Use PROCESSOR_POWER6 for power6.
6156 Add power6x. Add MASK_MFPGPR for power6x.
6157 (POWERPC_MASKS): Add MASK_MFPGPR.
6158 (rs6000_override_options): Set rs6000_always_hint to false
6159 for power6. Set rs6000_align_branch_targets. Replace
6160 rs6000_sched_groups check with rs6000_align_branch_targets.
6161 Use PROCESSOR_POWER6.
6162 (last_scheduled_insn): New variable.
6163 (load_store_pendulum): New variable.
6164 (rs6000_variable_issue): Set last_scheduled_insn and
6165 cached_can_issue_more.
6166 (rs6000_adjust_cost): Add power6 cost adjustments.
6167 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
6168 with insn_must_be_first_in_group. Add power6 priority adjustments.
6169 (rs6000_issue_rate): Add CPU_POWER6.
6170 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
6171 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
6172 (TARGET_MFPGPR): New.
6173 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
6174 (ASM_CPU_SPEC): Add power6x.
6175 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
6177 * config/rs6000/power6.md: New file.
6179 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
6181 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
6182 HOST_WIDE_INT_PRINT to print high and low parts. Use
6183 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
6184 printing a hexadecimal number prefix it with 0x.
6186 2006-11-01 Chris Johns <chris@contemporary.net.au>
6189 * Makefile.in (install-driver): Use exeext when installing
6190 $target-gcc-$version.
6192 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
6194 * c-common.c (flag_cpp0x): New.
6195 * c-common.h (flag_cpp0x): New.
6196 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6197 supported, define __GXX_EXPERIMENTAL_CPP0X__.
6198 * c-opts.c (set_std_cxx0x): New.
6199 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
6200 * c.opt (std=c++0x): Document.
6201 (std=gnu++0x): Ditto.
6202 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
6203 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
6205 2006-11-01 Richard Guenther <rguenther@suse.de>
6207 * config/i386/i386.c (ix86_expand_rint): Fix issues with
6209 (ix86_expand_floorceildf_32): Likewise.
6210 (ix86_expand_floorceil): Likewise.
6211 (ix86_expand_trunc): Likewise.
6213 2006-10-31 Andrew Pinski <pinskia@gmail.com>
6215 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
6218 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
6220 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
6222 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
6224 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
6226 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
6227 * configure.ac (use_cxa_atexit): As a special case, don't test
6228 for libc definition of __cxa_atexit on mingw32
6229 * configure: Regenerate.
6230 * config.gcc (i[34567]86-pc-mingw32): Default to
6231 enable__cxa_atexit=yes.
6233 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6235 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
6237 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6240 * c-decl.c (start_struct): Don't create self-containing
6242 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
6244 * config/rs6000/rs6000-protos.h
6245 (darwin_rs6000_special_round_type_align): New.
6246 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
6247 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
6249 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6251 * toplev.c (compile_file): Call final_write_globals
6252 even if there have been errors.
6254 2006-10-31 Eric Christopher <echristo@apple.com>
6255 Falk Hueffner <falk@debian.org>
6257 * doc/extend.texi (__builtin_bswap32): Document.
6258 (__builtin_bswap64): Ditto.
6259 * doc/libgcc.texi (bswapsi2): Document.
6261 * doc/rtl.texi (bswap): Document.
6262 * optabs.c (expand_unop): Don't widen a bswap.
6263 (init_optabs): Init bswap. Set libfuncs explicitly
6264 for bswapsi2 and bswapdi2.
6265 * optabs.h (OTI_bswap): New.
6266 (bswap_optab): Ditto.
6267 * genopinit.c (optabs): Handle bswap_optab.
6268 * tree.h (tree_index): Add TI_UINT32_TYPE and
6270 (uint32_type_node): New.
6271 (uint64_type_node): Ditto.
6272 * tree.c (build_common_tree_nodes_2): Initialize
6273 uint32_type_node and uint64_type_node.
6274 * builtins.c (expand_builtin_bswap): New.
6275 (expand_builtin): Call.
6276 (fold_builtin_bswap): New.
6277 (fold_builtin_1): Call.
6278 * fold-const.c (tree_expr_nonnegative_p): Return true
6280 * builtin-types.def (BT_UINT32): New.
6282 (BT_FN_UINT32_UINT32): Ditto.
6283 (BT_FN_UINT64_UINT64): Ditto.
6284 * builtins.def (BUILT_IN_BSWAP32): New.
6285 (BUILT_IN_BSWAP64): Ditto.
6286 * rtl.def (BSWAP): New.
6287 * genattrtab.c (check_attr_value): New.
6288 * libgcc2.c (__bswapSI2): New.
6289 (__bswapDI2): Ditto.
6290 * libgcc2.h (__bswapSI2): Declare.
6291 (__bswapDI2): Ditto.
6292 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
6293 * simplify-rtx.c (simplify_const_unary_operation): Return
6295 * libgcc-std.ver (__bwapsi2): Add.
6296 (__bswapdi2): Ditto.
6297 * reload1.c (eliminate_regs_1): Add bswap.
6298 (elimination_effects): Ditto.
6299 * config/i386/i386.h (x86_bswap): New.
6300 (TARGET_BSWAP): Use.
6301 * config/i386/i386.c (x86_bswap): Set.
6303 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6305 * coverage.c (coverage_checksum_string): Update comment.
6306 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
6307 of get_file_function_name.
6308 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
6309 of get_file_function_name_long.
6310 * tree.c (get_file_function_name): Rename from
6311 get_file_function_name_long; improve comment; handle 'I' and 'D'
6312 specially when the target has ctor/dtor support; remove special
6314 (get_file_function_name): Remove.
6315 * tree.h (get_file_function_name): Rename from
6316 get_file_function_name_long.
6317 (get_file_function_name): Remove prototype.
6319 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6321 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
6322 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
6324 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
6325 Call dsymutil when compiling and linking one or more source files
6328 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6331 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
6333 2006-10-31 Geoffrey Keating <geoffk@apple.com>
6335 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
6336 inline static functions in c99 mode.
6339 * doc/extend.texi (Inline): Update.
6340 * c-tree.h (struct language_function): Remove field 'extern_inline'.
6341 * c-decl.c (current_extern_inline): Delete.
6342 (pop_scope): Adjust test for an undefined nested function.
6343 Add warning about undeclared inline function.
6344 (diagnose_mismatched_decls): Update comments. Disallow overriding
6345 of inline functions in a translation unit in C99. Allow inline
6346 declarations in C99 at any time.
6347 (merge_decls): Boolize variables. Handle C99 'extern inline'
6349 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
6350 C99 inline semantics.
6351 (start_function): Don't clear current_extern_inline. Don't set
6353 (c_push_function_context): Don't push current_extern_inline.
6354 (c_pop_function_context): Don't restore current_extern_inline.
6357 * c-typeck.c (build_external_ref): Warn about static variables
6358 used in extern inline functions.
6359 * c-decl.c (start_decl): Warn about static variables declared
6360 in extern inline functions.
6362 2006-10-31 Roger Sayle <roger@eyesopen.com>
6365 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
6366 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
6367 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
6368 or y is an even integer.
6370 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
6373 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
6374 * gthr-posix95.h (__gthread_active_p): Likewise.
6376 2006-10-31 Richard Guenther <rguenther@suse.de>
6378 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
6379 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
6380 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
6381 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
6382 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
6383 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
6384 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
6385 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
6388 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
6390 * opts.c (decode_options): Disable CSE skip blocks.
6392 2006-10-30 Dirk Mueller <dmueller@suse.de>
6394 * c-common.h (strict_aliasing_warning): Fix whitespace.
6395 * c-decl (start_function): Move code for main decl warning ..
6396 * c-common.c (check_main_parameter_types): .. here.
6397 * c-common.h (check_main_parameter_types): Declare.
6399 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6402 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
6404 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
6406 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
6407 be a PARALLEL containing sets. Return false when out_pat is not
6410 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6412 * config/mips/mips.md (mul<mode>3): Split into...
6413 (mulsi3, muldi3): ...these separate patterns.
6415 2006-10-30 Richard Sandiford <richard@codesourcery.com>
6417 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
6418 but with each set of options separated by spaces.
6420 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
6422 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
6423 dwarf_reg_size_table has been initialized.
6425 2006-10-30 Roger Sayle <roger@eyesopen.com>
6427 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
6428 * ddg.c (print_ddg_edge): Likewise.
6429 * dwarf2out.c (prune_unused_types_walk): Likewise.
6430 * ifcvt.c (noce_try_cmove_arith): Likewise.
6431 * langhooks.c (add_builtin_function): Likewise.
6432 * reg-stack.c (subst_stack_regs_pat): Likewise.
6433 * tree.c (expanded_location): Likewise.
6434 * tree-dump.c (dequeue_and_dump): Likewise.
6436 2006-10-30 David Daney <ddaney@avtrex.com>
6438 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
6440 2006-10-30 Jakub Jelinek <jakub@redhat.com>
6442 PR tree-optimization/29637
6443 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
6444 of the innertype is the innertype itself.
6446 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
6448 * dwarf2out.c (file_name_acquire): Correct typo.
6450 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
6452 * tree.h (tree_value_handle): Remove struct value_set declaration.
6453 Change value_set to bitmap_set.
6454 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
6455 * tree-vn.c (get_value_handle): Made inline and moved to
6457 * tree-flow-inline.h: (has_stmt_ann): New function.
6458 * tree-ssa-pre.c (expressions): New variable.
6459 (next_expression_id): Ditto.
6460 (alloc_expression_id): New function.
6461 (struct value_set): Remove.
6462 (get_expression_id): New function.
6463 (get_or_alloc_expression_id): Ditto.
6464 (expression_for_id): Ditto.
6465 (clear_expression_ids): Ditto.
6466 (FOR_EACH_EXPR_ID_IN_SET): New macro.
6467 (bb_value_sets): Renamed to bb_bitmap_sets.
6468 All value sets replaced with bitmap_sets.
6470 (BB_VISITED): New macro.
6471 (postorder): New variable.
6472 (add_to_value): Removed.
6473 (value_exists_in_set_bitmap): Ditto.
6474 (value_insert_into_set_bitmap): Ditto.
6477 (set_remove): Ditto.
6478 (set_contains_value): Ditto.
6479 (insert_into_set): Ditto.
6481 (find_leader): Ditto.
6482 (bitmap_set_subtract_from_value_set): Ditto.
6483 (value_insert_into_set): Ditto.
6484 (print_value_set): Ditto.
6485 (debug_value_set): Ditto.
6486 (constant_expr_p): New function.
6487 (bitmap_remove_from_set): Ditto.
6488 (bitmap_insert_into_set): Ditto.
6489 (bitmap_set_free): Ditto.
6490 (vh_compare): Ditto.
6491 (sorted_array_from_bitmap_set): Ditto.
6492 (bitmap_set_subtract): Ditto.
6493 (bitmap_set_equal): Ditto.
6494 (debug_bitmap_set): Ditto.
6495 (find_leader_in_sets): Ditto.
6496 (bitmap_set_replace_value): Modify for bitmapped sets.
6497 (phi_translate): Ditto.
6498 (phi_translate_set): Ditto.
6499 (bitmap_find_leader): Ditto.
6500 (valid_in_sets): Ditto.
6501 (union_contains_value): Ditto.
6503 (compute_antic_aux): Ditto. Mark changed blocks.
6504 (compute_antic): Ditto. Iterate in postorder and only over
6506 (compute_rvuse_and_antic_safe): Reuse postorder.
6507 (create_component_ref_by_pieces): Modify for bitmapped sets.
6508 (find_or_generate_expression): Ditto.
6509 (create_expression_by_pieces): Ditto.
6510 (insert_into_preds_of_block): Ditto.
6511 (changed_blocks): New variable.
6512 (do_regular_insertion): Broken out from insert_aux.
6513 (insert_aux): Modified for bitmapped sets.
6514 (find_existing_value_expr): New function.
6515 (create_value_expr_from): Use it.
6516 (insert_extra_phis): Removed.
6517 (print_bitmap_set): Renamed from bitmap_print_value_set.
6518 (compute_avail): Handle RETURN_EXPR.
6519 (init_pre): Modify for bitmapped sets.
6520 * tree-flow.h (has_stmt_ann): New function.
6522 2006-10-29 Roger Sayle <roger@eyesopen.com>
6524 * builtins.c (fold_builtin_floor): Check for the availability of
6525 the C99 trunc function before transforming floor into trunc.
6527 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6529 * builtins.c (fold_builtin_hypot): Rearrange recursive
6530 transformation before others, and also do ABS_EXPR. When
6531 necessary, check flag_unsafe_math_optimizations. When necessary,
6534 2006-10-29 Roger Sayle <roger@eyesopen.com>
6536 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
6537 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
6538 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
6539 Fold -X eq/ne -Y as X eq/ne Y.
6541 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6543 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
6544 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
6545 rather than GENERATE_MULT3_SI in the various define_peephole2s.
6546 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
6547 Use an inclusive test for "mult" rather than "mul".
6548 (rotr<mode>3): Depend on ISA_HAS_ROR.
6549 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
6551 (GENERATE_MULT3_DI): Delete.
6552 (ISA_HAS_64BIT_REGS): Use consistent formatting.
6553 (ISA_HAS_MUL3): New macro.
6554 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
6555 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
6556 (ISA_HAS_CLZ_CLO): Likewise.
6557 (ISA_HAS_DCLZ_DCLO): Delete.
6558 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
6559 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
6560 the VR4120 and VR4130.
6561 (ISA_HAS_MACCHI): Use consistent formatting.
6562 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
6563 (ISA_HAS_ROR): ...this new macro.
6564 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
6565 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
6566 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
6568 2006-10-29 Roger Sayle <roger@eyesopen.com>
6570 PR tree-optimization/15458
6571 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
6574 2006-10-29 Richard Guenther <rguenther@suse.de>
6576 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
6577 (ix86_expand_truncdf_32): Likewise.
6578 * config/i386/i386.c (ix86_expand_trunc): New function expanding
6579 trunc inline for SSE math and -fno-trapping-math and if not
6580 optimizing for size.
6581 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
6582 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
6583 for expanding btrunc inline for SSE math.
6585 2006-10-29 Joseph Myers <joseph@codesourcery.com>
6587 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
6588 Handle tuning for bi-arch i[34567]86-*-linux* like that for
6589 i[34567]86-*-solaris2.1[0-9]*.
6590 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
6591 Define conditionally depending on TARGET_64BIT_DEFAULT.
6592 (SPEC_32, SPEC_64): Define.
6593 (LINK_SPEC): Use them.
6594 * doc/install.texi (--enable-targets=all): Document for x86-linux.
6596 2006-10-29 Richard Guenther <rguenther@suse.de>
6598 * config/i386/i386-protos.h (ix86_expand_round): Declare.
6599 (ix86_expand_rounddf_32): Likewise.
6600 * config/i386/i386.c (ix86_expand_round): New function expanding
6601 round inline for SSE math and -fno-trapping-math and if not
6602 optimizing for size.
6603 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
6604 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
6605 round via ix86_expand_round.
6607 2006-10-29 Richard Guenther <rguenther@suse.de>
6609 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
6610 (ix86_expand_floorceildf_32): Likewise.
6611 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
6612 static helper function.
6613 (ix86_expand_floorceil): Expander for floor and ceil to SSE
6615 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
6616 * config/i386/i386.md (floordf2): Adjust to enable floor
6617 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
6618 -fno-trapping-math is enabled and if not optimizing for size.
6619 (floorsf2, ceildf2, ceilsf2): Likewise.
6620 * config/i386/sse.md (sse_maskcmpsf3): New insn.
6621 (sse2_maskcmpdf3): Likewise.
6623 2006-10-29 Richard Guenther <rguenther@suse.de>
6625 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
6626 rint in case -fno-trapping-math is enabled.
6627 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
6628 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
6629 (ix86_expand_sse_fabs): Likewise.
6630 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
6631 * config/i386/i386.md (rintdf2): Enable for SSE math if
6632 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
6633 (rintsf2): Likewise.
6635 2006-10-29 Richard Guenther <rguenther@suse.de>
6637 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
6638 to conversion optabs.
6639 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
6640 as conversion optab.
6641 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
6642 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
6643 (lfloor_optab, lceil_optab): Adjust defines.
6644 * builtins.c (expand_builtin_int_roundingfn): Adjust for
6645 lfloor and lceil optabs now being conversion optabs.
6646 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
6647 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
6648 New static helper function.
6649 (ix86_expand_lfloorceil): New function to expand lfloor and
6651 * config/i386/i386.md (lfloor<mode>2): Split into ...
6652 (lfloorxf<mode>2): ... x87 variant
6653 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
6654 using ix86_expand_lfloorceil.
6655 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
6657 * doc/md.texi (lfloorMN, lceilMN): Document.
6659 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6661 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
6662 -mno-shared assembler option on mips targets.
6663 * configure, config.in: Regenerate.
6664 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
6665 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
6666 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
6668 2006-10-29 Richard Sandiford <richard@codesourcery.com>
6670 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
6671 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
6673 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
6675 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
6676 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
6679 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6682 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
6683 (fold_builtin_pow): Evaluate constant arguments at compile-time
6685 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
6686 (do_mpfr_ckconv): New helper function.
6687 (do_mpfr_arg1): Use do_mpfr_ckconv.
6688 (do_mpfr_arg2): New.
6690 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
6693 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
6694 (-fdump-rtl-sched): Rename to ..
6695 (-fdump-rtl-sched1): here. Also fix file extension number.
6697 2006-10-28 Richard Guenther <rguenther@suse.de>
6699 * fold-const.c (maybe_canonicalize_comparison): Fix code
6702 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6704 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
6705 (NON_QI_REG_P): Use IN_RANGE.
6706 (REX_INT_REGNO_P): Use IN_RANGE.
6707 (FP_REGNO_P): Use IN_RANGE.
6708 (SSE_REGNO_P): Use IN_RANGE.
6709 (REX_SSE_REGNO_P): Use IN_RANGE.
6710 (MMX_REGNO_P): Use IN_RANGE.
6711 (STACK_REGNO_P): New macro.
6712 (STACK_REG_P): Use STACK_REGNO_P.
6713 (NON_STACK_REG_P): Use STACK_REGNO_P.
6714 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
6715 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
6716 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
6717 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
6718 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
6720 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
6722 * except.h (output_function_exception_table): Add 'const char*' param.
6723 * except.c (switch_to_exception_section): Add 'const char*' param.
6724 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6725 and flag_function_sections is set, use a function-specific section.
6726 (output_function_exception_table): Add 'const char*' param.
6727 Adjust call to switch_to_exception_section.
6728 * final.c (rest_of_handle_final): Adjust calls to
6729 output_function_exception_table.
6730 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
6731 * config.in: Regenerate.
6732 * configure: Likewise.
6734 2006-10-28 Richard Guenther <rguenther@suse.de>
6737 * fold-const.c (maybe_canonicalize_comparison_1): Helper
6738 for maybe_canonicalize_comparison.
6739 (maybe_canonicalize_comparison): New function for canonicalizing
6741 (fold_comparison): Call it to canonicalize comparisons with
6744 2006-10-28 Richard Guenther <rguenther@suse.de>
6747 * builtins.c (expand_builtin_int_roundingfn_2): Expand
6748 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
6749 (expand_builtin): Adjust likewise.
6750 * genopinit.c (optabs[]): Add lround optab.
6751 * optabs.c (init_optabs): Initialize lround_optab.
6752 * optabs.h (enum convert_optab_index): Add COI_lround.
6753 (lround_optab): Define.
6754 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
6755 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
6757 (ix86_expand_lround): New function.
6758 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
6760 * doc/md.texi (lroundMN2): Document.
6762 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6765 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
6766 argument to HOST_WIDE_INT. Update function prototype.
6767 (round_frame_size): Change return type to HOST_WIDE_INT. Change
6768 "size" argument to HOST_WIDE_INT. Update function prototype.
6770 2006-10-28 Uros Bizjak <uros@kss-loka.si>
6772 * config/i386/i386.c (output_387_ffreep): Create output from a
6773 template string for !HAVE_AS_IX86_FFREEP.
6775 2006-10-27 Eric Christopher <echristo@apple.com>
6777 * config/darwin.c: Fix formatting and grammar.
6779 2006-10-27 Jan Hubicka <jh@suse.cz>
6781 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
6782 to be thrown away soon when IGNORE is set.
6783 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
6784 indicating when return value shall not be computed.
6785 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
6787 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
6789 * config/i386/i386.h (TARGET_GEODE):
6790 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
6791 (TARGET_CPU_DEFAULT_geode): New macro.
6792 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
6793 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
6794 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
6795 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
6796 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
6798 (TARGET_CPU_DEFAULT_NAMES): Add geode.
6799 (processor_type): Add PROCESSOR_GEODE.
6801 * config/i386/i386.md: Include geode.md.
6804 * config/i386/i386.c (geode_cost): New initialized global
6806 (m_GEODE, m_K6_GEODE): New macros.
6807 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
6808 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
6809 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
6810 x86_schedule): Use m_K6_GEODE instead of m_K6.
6811 (x86_movx, x86_cmove): Set up m_GEODE.
6812 (x86_integer_DFmode_moves): Clear m_GEODE.
6813 (processor_target_table): Add entry for geode.
6814 (processor_alias_table): Ditto.
6816 * config/i386/geode.md: New file.
6818 * doc/invoke.texi: Add entry about geode processor.
6820 2006-10-27 Mike Stump <mrs@apple.com>
6822 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
6823 __DYNAMIC__ from here back to ...
6824 * config/darwin.h (CPP_SPEC): ... here.
6826 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6827 Nathan Sidwell <nathan@codesourcery.com>
6829 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
6830 when choosing the minimum heapsize.
6832 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
6834 * gcc/unwind-dw2.h: Move cfa-related variables into
6835 struct frame_state_reg_info to ensure that the CFA is properly
6836 handled when executing DW_CFA_{remember,restore}_state.
6837 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
6838 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
6839 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
6840 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
6841 gcc/config/rs6000/linux-unwind.h,
6842 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
6843 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
6844 Modify to use new cfa_* fields.
6846 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
6848 * config/s390/s390.c (s390_init_frame_layout): Check positive
6851 2006-10-26 Ben Elliston <bje@au.ibm.com>
6853 * gimplify.c (get_name): Remove extraneous break.
6854 (gimplify_omp_for): Initialise ret with GS_OK.
6856 2006-10-25 Steve Ellcey <sje@cup.hp.com>
6858 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
6859 Add unix98.o to link line.
6861 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6864 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
6865 Calculate compile-time constants using MPFR.
6866 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
6867 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
6869 2006-10-25 Bob Wilson <bob.wilson@acm.org>
6871 * config/xtensa/lib2funcs.S: Use C-style comments.
6873 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
6875 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
6876 (file_table_relative_p): Likewise.
6877 (dwarf2out_finish): Likewise.
6878 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
6880 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
6882 * tree-ssa-structalias.c (intra_create_variable_infos):
6883 Don't recreate nonlocal_all if it already exists.
6885 2006-10-25 Richard Guenther <rguenther@suse.de>
6888 * optabs.h (enum optab_index): Remove OTI_lrint.
6889 (enum convert_optab_index): Add COI_lrint.
6890 (lrint_optab): Adjust.
6891 (expand_sfix_optab): Declare.
6892 * optabs.c (expand_sfix_optab): New function.
6893 (init_optabs): Init lrint_optab as conversion optab.
6894 * genopinit.c (lrint_optab): Change to a conversion optab.
6895 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
6896 expansion via conversion optab.
6897 * config/i386/i386.md (*fistdi2_1): Remove
6898 flag_unsafe_math_optimizations guard.
6899 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
6900 fist<mode>2_with_temp): Likewise.
6901 (lrint<mode>2): Split into...
6902 (lrintxf<mode>2): ... x87 part
6903 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
6904 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
6905 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
6906 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
6907 * doc/md.texi (lrintMN2): Document.
6909 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6912 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
6913 Use inc and dec instructions for TARGET_USE_INCDEC.
6914 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
6915 ("sync_double_compare_and_swap<mode>"): Likewise.
6916 ("*sync_double_compare_and_swapdi_pic"): Likewise.
6917 ("*sync_compare_and_swap_cc<mode>"): Likewise.
6918 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
6919 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
6920 ("sync_old_add<mode>"): Likewise.
6921 ("sync_lock_test_and_set<mode>"): Likewise.
6922 ("sync_lock_test_and_set<mode>"): Likewise.
6923 ("sync_add<mode>"): Likewise.
6924 ("sync_sub<mode>"): Likewise.
6925 ("sync_ior<mode>"): Likewise.
6926 ("sync_and<mode>"): Likewise.
6927 ("sync_xor<mode>"): Likewise.
6929 2006-10-25 Uros Bizjak <uros@kss-loka.si>
6931 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
6932 (remainder_optab): Define corresponding macro.
6933 (drem_optab): Remove.
6934 * optabs.c (init_optabs): Initialize remainder_optab. Remove
6935 drem_optab initialization.
6936 * genopinit.c (optabs): Implement remainder_optab using
6937 remainder?f3 patterns. Remove drem_optab.
6938 * builtins.c (expand_builtin_mathfn_2): Handle
6939 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
6940 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
6941 expand_builtin_mathfn_2.
6943 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
6944 depend on flag_unsafe_math_optimizations.
6946 * config/i386/i386.md ("remaindersf3", "remainderdf3")
6947 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
6948 Do not depend on flag_unsafe_math_optimizations. Use
6949 truncxf?f expander instead of truncxf?f_i387_noop.
6951 ("fpremxf4", "fprem1xf4"): Do not depend on
6952 flag_unsafe_math_optimizations.
6953 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
6954 flag_unsafe_math_optimizations. Use truncxf?f expander
6955 instead of truncxf?f_i387_noop.
6957 * doc/md.texi (fmod, remainder): Document standard named pattern.
6959 2006-10-24 Richard Sandiford <richard@codesourcery.com>
6960 David Daney <ddaney@avtrex.com>
6963 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
6965 2006-10-25 Ben Elliston <bje@au.ibm.com>
6967 * doc/extend.texi (Variable Attributes): Typo fix.
6969 2006-10-24 Uros Bizjak <uros@kss-loka.si>
6971 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
6972 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
6973 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
6974 (FRAME_POINTER_REGNUM): Update register number to 21.
6975 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
6976 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
6978 * config/i386/i386.c (regclass_map): Add fpcr entry.
6979 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
6981 (print_reg): Assert REGNO (x) != FPCR_REG.
6983 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
6984 (DIRFLAG_REG): Renumber.
6985 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
6986 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
6987 (sse_prologue_save, *sse_prologue_save_insn): Renumber
6988 hardcoded SSE register numbers.
6990 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
6991 hardcoded MMX register numbers.
6993 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6996 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
6997 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
6999 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
7000 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
7001 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
7002 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
7004 2006-10-24 Richard Guenther <rguenther@suse.de>
7007 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
7008 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
7009 for deciding optimizations in consistency with fold-const.c
7010 (fold_builtin_unordered_cmp): Likewise.
7012 2006-10-24 Richard Guenther <rguenther@suse.de>
7014 * builtins.c (fold_builtin_floor): Fold floor (x) where
7015 x is nonnegative to trunc (x).
7016 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
7017 nonnegative to FIX_TRUNC_EXPR.
7019 2006-10-24 Richard Guenther <rguenther@suse.de>
7021 PR tree-optimization/29567
7022 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
7023 for TRUTH_NOT_EXPR. Clarify comments.
7025 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7028 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
7029 at compile-time using MPFR. Change parameter VALUE to FUNC,
7031 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
7032 for overflow and underflow at all times and avoid folding in
7035 2006-10-24 Ben Elliston <bje@au.ibm.com>
7037 * reload1.c: Formatting fixes.
7039 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
7041 PR tree-optimization/14784
7042 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
7043 * tree-ssa-structalias.c (get_constraint_for,
7044 intra_create_variable_infos): Set is_heapvar.
7045 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
7046 non-heapvar pointer variables specially.
7048 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7051 * builtins.c (fold_builtin_sin, fold_builtin_cos,
7052 fold_builtin_tan): Fold all constant arguments. Take a "type"
7053 argument as necessary.
7054 (do_mpfr_arg1): New.
7055 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
7057 2006-10-23 Bob Wilson <bob.wilson@acm.org>
7059 * config/xtensa/lib1funcs.asm: Use C-style comments.
7061 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
7063 * tree.c (local_define_builtin): Replace calls to
7064 lang_hooks.builtin_function with add_builtin_function.
7065 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
7067 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
7069 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
7070 common code to add_builtin_function.
7071 * langhooks.c (add_builtin_function): New function.
7072 (lhd_builtin_function): New function.
7073 * langhooks.h (struct lang_hooks): Change the signature of
7075 (add_builtin_function): New function.
7076 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
7077 calls to lang_hooks.builtin_function with add_builtin_function.
7078 * c-common.c (decl_builtin_1): Replace calls to
7079 lang_hooks.builtin_function with add_builtin_function.
7080 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
7081 lang_hooks.builtin_function with add_builtin_function.
7082 * config/frv/frv.c (def_builtin): Replace calls to
7083 lang_hooks.builtin_function with add_builtin_function.
7084 * config/s390/s390.c (s390_init_builtins): Replace calls to
7085 lang_hooks.builtin_function with add_builtin_function.
7086 * config/sparc/sparc.c (def_builtin): Replace calls to
7087 lang_hooks.builtin_function with add_builtin_function.
7088 * config/i386/i386.c (def_builtin): Replace calls to
7089 lang_hooks.builtin_function with add_builtin_function.
7090 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
7091 lang_hooks.builtin_function with add_builtin_function.
7092 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
7093 lang_hooks.builtin_function with add_builtin_function.
7094 * config/stormy16/stormy16.c (xstormy16_init_builtins):
7095 Replace calls to lang_hooks.builtin_function with
7096 add_builtin_function.
7097 * config/iq2000/iq2000.c (def_builtin):
7098 Replace calls to lang_hooks.builtin_function with
7099 add_builtin_function.
7100 * config/ia64/ia64.c (def_builtin): Replace calls to
7101 lang_hooks.builtin_function with add_builtin_function.
7102 * config/rs6000/rs6000.c (def_builtin): Replace calls to
7103 lang_hooks.builtin_function with add_builtin_function.
7104 (altivec_init_builtins): Replace calls to
7105 lang_hooks.builtin_function with add_builtin_function.
7106 * config/arm/arm.c (def_mbuiltin): Replace calls to
7107 lang_hooks.builtin_function with add_builtin_function.
7108 (arm_init_tls_builtins): Replace calls to
7109 lang_hooks.builtin_function with add_builtin_function.
7110 * config/mips/mips.c (mips_init_builtins): Replace calls to
7111 lang_hooks.builtin_function with add_builtin_function.
7112 * config/bfin/bfin.c (def_builtin): Replace calls to
7113 lang_hooks.builtin_function with add_builtin_function.
7114 * langhooks-def.h (lhd_builtin_function): New function.
7115 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
7117 2006-10-23 Jakub Jelinek <jakub@redhat.com>
7119 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
7120 BUILT_IN_STRNCAT_CHK.
7122 2006-10-23 Jan Hubicka <jh@suse.cz>
7124 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
7125 don't do conversion from memmove to memcpy here.
7126 (expand_builtin_bcopy, expand_builtin): Update call of
7127 expand_builtin_memmove.
7128 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
7130 2006-10-23 Paul Brook <paul@codesourcery.com>
7132 * stor-layout.c (start_record_layout): maximum_field_alignment
7133 overrides STRUCTURE_SIZE_BOUNDARY.
7135 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
7137 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
7138 nonlocal function symbols if flag_pic.
7140 2006-10-23 Richard Guenther <rguenther@suse.de>
7144 * builtins.c (fold_binary): Remove checks for flag_wrapv
7145 and flag_trapv where negate_expr_p covers these cases.
7147 2006-10-23 Richard Guenther <rguenther@suse.de>
7150 * fold-const.c (fold_plusminus_mult_expr): Check exact power
7151 of two on the absolute value.
7152 (fold_binary): Fold x * -C to -x * C if x is easily negatable
7153 and negating -C does not overflow.
7155 2006-10-23 Richard Guenther <rguenther@suse.de>
7158 * convert.c (convert_to_real): Fold (float)-x to -(float)x
7159 only if not flag_rounding_math.
7161 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7162 Kaz Kojima <kkojima@gcc.gnu.org>
7165 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
7166 SImode memory reference for the source of a movua.
7167 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
7168 (movua): Use an unspec instead of sign_extract. Expect the source
7169 to have mode BLKmode.
7170 (extv, insv): Use a BLKmode rather than SImode memory reference
7171 for the source of a movua.
7173 2006-10-22 Jeff Law <law@redhat.com>
7174 Richard Guenther <rguenther@suse.de>
7176 PR tree-optimization/15911
7177 * tree-vrp.c (extract_code_and_val_from_cond): New function.
7178 (register_edge_assert_for_1): Likewise.
7179 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
7180 (find_conditional_asserts): Adjust for new function signature.
7181 (find_assert_locations): Likewise.
7183 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7185 * config/i386/tmmintrin.h: Remove the duplicated content.
7187 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
7189 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
7190 (x86_64-*-*): Likewise.
7192 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
7193 (override_options): Check SSSE3.
7194 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
7195 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
7196 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
7197 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
7198 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
7199 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
7200 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
7201 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
7202 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
7203 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
7204 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
7205 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
7206 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
7207 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
7208 IX86_BUILTIN_PABSD128.
7209 (bdesc_2arg): Add SSSE3.
7210 (bdesc_1arg): Likewise.
7211 (ix86_init_mmx_sse_builtins): Support SSSE3.
7212 (ix86_expand_builtin): Likewise.
7213 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
7215 * config/i386/i386.md (UNSPEC_PSHUFB): New.
7216 (UNSPEC_PSIGN): Likewise.
7217 (UNSPEC_PALIGNR): Likewise.
7218 Include mmx.md before sse.md.
7220 * config/i386/i386.opt: Add -mssse3.
7222 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
7223 (ssse3_phaddwv4hi3): Likewise.
7224 (ssse3_phadddv4si3): Likewise.
7225 (ssse3_phadddv2si3): Likewise.
7226 (ssse3_phaddswv8hi3): Likewise.
7227 (ssse3_phaddswv4hi3): Likewise.
7228 (ssse3_phsubwv8hi3): Likewise.
7229 (ssse3_phsubwv4hi3): Likewise.
7230 (ssse3_phsubdv4si3): Likewise.
7231 (ssse3_phsubdv2si3): Likewise.
7232 (ssse3_phsubswv8hi3): Likewise.
7233 (ssse3_phsubswv4hi3): Likewise.
7234 (ssse3_pmaddubswv8hi3): Likewise.
7235 (ssse3_pmaddubswv4hi3): Likewise.
7236 (ssse3_pmulhrswv8hi3): Likewise.
7237 (ssse3_pmulhrswv4hi3): Likewise.
7238 (ssse3_pshufbv16qi3): Likewise.
7239 (ssse3_pshufbv8qi3): Likewise.
7240 (ssse3_psign<mode>3): Likewise.
7241 (ssse3_psign<mode>3): Likewise.
7242 (ssse3_palignrti): Likewise.
7243 (ssse3_palignrdi): Likewise.
7244 (abs<mode>2): Likewise.
7245 (abs<mode>2): Likewise.
7247 * config/i386/tmmintrin.h: New file.
7249 * doc/extend.texi: Document SSSE3 built-in functions.
7251 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
7253 2006-10-22 Ira Rosen <irar@il.ibm.com>
7255 * tree-vect-transform.c (vectorizable_load): Use the type of the
7256 return value of the mask_for_load builtin to create realign_load
7259 2006-10-22 Richard Sandiford <richard@codesourcery.com>
7261 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
7264 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
7266 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
7267 (UNSPEC_LDDQU): This.
7268 * config/i386/sse.md (sse3_lddqu): Updated.
7270 2006-10-21 Richard Guenther <rguenther@suse.de>
7272 * builtins.c (expand_builtin_int_roundingfn_2): New function.
7273 (expand_builtin): Use it to expand lrint instead of
7274 expand_builtin_mathfn.
7276 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7279 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
7280 flag_unsafe_math_optimizations is set.
7282 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7285 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
7286 patterns to use memory input operand in x87->mem->XMM
7287 reload sequences. Skip transformation for TARGET_K8.
7289 2006-10-21 Uros Bizjak <uros@kss-loka.si>
7291 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
7292 force operand1 to register if both operands are memory operands.
7293 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
7294 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7295 if both operands are memory operands.
7296 (truncdfsf2): Do not force operand1 to register if both operands
7297 are memory operands.
7299 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7301 * Makefile.in (LIBS): Add $(GMPLIBS).
7302 * doc/install.texi: Update GMP and MPFR requirements.
7303 * doc/sourcebuild.texi (need_gmp): Delete.
7305 2006-10-21 Richard Guenther <rguenther@suse.de>
7307 PR tree-optimization/3511
7308 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
7309 got new invariant arguments during PHI translation.
7311 2006-10-21 Richard Guenther <rguenther@suse.de>
7314 * fold-const.c (fold_comparison): Fold signed comparisons
7315 of the form X +- C1 CMP Y +- C2.
7317 2006-10-21 Richard Guenther <rguenther@suse.de>
7320 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
7321 if flag_unsafe_math_optimizations is specified. We have
7322 flag_finite_math_only for that.
7323 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
7324 or flag_unsafe_math_optimizations.
7326 2006-10-21 Richard Guenther <rguenther@suse.de>
7328 * builtins.c (fold_builtin_classify): Fix typo.
7330 2006-10-21 Richard Guenther <rguenther@suse.de>
7333 * simplify-rtx.c (simplify_const_relational_operation):
7334 Do not constant-fold ORDERED and UNORDERED for
7335 flag_unsafe_math_optimizations but only we do not need to
7336 honor NaNs for the given mode.
7338 2006-10-21 Richard Guenther <rguenther@suse.de>
7341 * config/i386/i386.c (classify_argument): Remove redundant
7342 walking of the BINFOs.
7343 (contains_128bit_aligned_vector_p): Likewise.
7345 2006-10-20 Mark Mitchell <mark@codesourcery.com>
7347 * BASE-VER: Set to 4.3.0.
7349 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
7351 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
7352 (tree_decl_with_vis): Remove artificial_pta_var flag.
7353 * tree-flow.h (referenced_var_check_and_insert): Expose.
7354 (nonlocal_all): New prototype.
7355 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
7356 (nonlocal_all): Make global.
7357 (nonlocal_lookup): Remove.
7358 (nonlocal_insert): Ditto.
7359 (create_nonlocal_var): Do not call nonlocal_insert.
7360 (get_nonlocal_id_for_type): Remove.
7361 (find_global_initializers): Mark new vars we find for renaming.
7362 (intra_create_variable_infos): Only create one nonlocal.
7363 (expand_nonlocal_solutions): Remove.
7364 (compute_points_to_sets): Don't call it.
7365 (ipa_pta_execute): Ditto.
7366 (init_alias_heapvars): Don't create nonlocal_for_type.
7367 (delete_alias_heapvars): Don't remove it.
7368 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
7371 2006-10-19 Brooks Moses <bmoses@stanford.edu>
7373 * doc/install.texi (Downloading GCC): Clarify mention of
7374 Fortran in the "full distribution" description.
7376 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
7378 Fix PR tree-optimization/28778
7379 Fix PR tree-optimization/29156
7380 Fix PR tree-optimization/29415
7381 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
7382 (tree_decl_with_vis): Add artificial_pta_var flag.
7383 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
7384 pushed into callers.
7385 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
7386 (nonlocal_all): Ditto.
7387 (struct variable_info): Add directly_dereferenced member.
7388 (var_escaped_vars): New variable.
7389 (escaped_vars_tree): Ditto.
7390 (escaped_vars_id): Ditto.
7391 (nonlocal_vars_id): Ditto.
7392 (new_var_info): Set directly_dereferenced.
7393 (graph_size): New variable
7394 (build_constraint_graph): Use graph_size.
7395 (solve_graph): Don't process constraints that cannot change the
7396 solution, don't try to propagate an empty solution to our
7398 (process_constraint): Set directly_dereferenced.
7399 (could_have_pointers): New function.
7400 (get_constraint_for_component_ref): Don't process STRING_CST.
7401 (nonlocal_lookup): New function.
7402 (nonlocal_insert): Ditto.
7403 (create_nonlocal_var): Ditto.
7404 (get_nonlocal_id_for_type): Ditto.
7405 (get_constraint_for): Allow results vector to be empty in the case
7406 of string constants.
7407 Handle results of calls properly.
7408 (update_alias_info): Update alias info stats on number and type of
7410 (find_func_aliases): Use could_have_pointers.
7411 (make_constraint_from_escaped): Renamed from
7412 make_constraint_to_anything, and changed to make constraints from
7414 (make_constraint_to_escaped): New function.
7415 (find_global_initializers): Ditto.
7416 (create_variable_info_for): Make constraint from escaped to any
7417 global variable, and from any global variable to the set of
7419 (intra_create_variable_infos): Deal with escaped instead of
7420 pointing to anything.
7421 (set_uids_in_ptset): Do type pruning on directly dereferenced
7423 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
7424 (init_base_vars): Fix comment, and initialize escaped_vars.
7425 (need_to_solve): Removed.
7426 (find_escape_constraints): New function.
7427 (expand_nonlocal_solutions): Ditto.
7428 (compute_points_to_sets): Call find_escape_constraints and
7429 expand_nonlocal_solutions.
7430 (delete_points_to_sets): Don't fall off the end of the graph.
7431 (init_alias_heapvars): Initialize nonlocal_for_type and
7433 (delete_alias_heapvars): Free nonlocal_for_type and null out
7436 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
7438 * fold-const.c (add_double): Rename to add_double_with_sign.
7439 Add 'unsigned_p' parameter and take it into account for the overflow.
7440 (mul_double): Rename to mul_double_with_sign.
7441 Add 'unsigned_p' parameter and take it into account for the overflow.
7442 (fold_div_compare): Call add_double_with_sign instead of add_double
7443 and mul_double_with_sign instead of mul_double, passing them the
7444 unsignedness of the type.
7445 * tree.h (add_double): Macroize.
7446 (add_double_with_sign): New prototype.
7447 (mul_double): Macroize.
7448 (mul_double_with_sign): New prototype.
7450 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
7452 * config/score/crti.asm: New file.
7453 * config/score/crtn.asm: New file.
7454 * config/score/elf.h: New file.
7455 * config/score/mac.md: New file.
7456 * config/score/misc.md: New file.
7457 * config/score/mul-div.S: New file.
7458 * config/score/predicates.md: New file.
7459 * config/score/score7.md: New file.
7460 * config/score/score.c: New file.
7461 * config/score/score-conv.h: New file.
7462 * config/score/score.h: New file.
7463 * config/score/score.md: New file.
7464 * config/score/score-mdaux.c: New file.
7465 * config/score/score-mdaux.h: New file.
7466 * config/score/score-modes.def: New file.
7467 * config/score/score.opt: New file.
7468 * config/score/score-protos.h: New file.
7469 * config/score/score-version.h: New file.
7470 * config/score/t-score-elf: New file.
7471 * config.gcc: Add score*-*-* configurations(Update before).
7472 * doc/invoke.texi (Score Options): New section.
7473 * doc/md.texi (Score family): New section to document constraints.
7475 2006-10-19 Nick Clifton <nickc@redhat.com>
7477 * config/arm/arm.c: Fix spelling typo.
7479 2006-10-18 Tom Tromey <tromey@redhat.com>
7481 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
7483 2006-10-18 Jan Hubicka <jh@suse.cz>
7486 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
7489 2006-10-18 Marcin Dalecki <martin@dalecki.de>
7491 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
7492 TSI_SAME_STMT, since that's the desired entity.
7494 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
7496 * config/s390/contraints.md: New file.
7497 * config/s390/s390-protos.h (s390_mem_constraint,
7498 s390_O_constraint_str, s390_N_constraint_str,
7499 s390_float_const_zero_p): Function prototypes added.
7500 * config/s390/s390.c (s390_extra_constraint_str,
7501 s390_const_double_ok_for_constraint_p,
7502 s390_const_ok_for_constraint_p): Functions removed.
7503 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
7504 s390_float_const_zero_p): New functions.
7505 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
7506 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
7507 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
7508 Macro definitions removed.
7509 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
7510 s390_extra_constraint_str): Functions removed.
7512 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
7513 Richard Sandiford <richard@codesourcery.com>
7516 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
7517 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
7519 2006-10-16 Geoffrey Keating <geoffk@apple.com>
7521 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
7522 (DWARF2_FRAME_REG_OUT): Likewise.
7523 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
7524 (DWARF2_FRAME_REG_OUT): Likewise.
7526 2006-10-17 Paul Brook <paul@codesourcery.com>
7528 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
7530 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7532 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
7533 Standardize on "GNU Fortran" as the official name of the Fortran
7536 2006-10-16 Mike Stump <mrs@apple.com>
7538 * doc/invoke.texi (Darwin Options): Document -mkernel.
7539 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
7541 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
7542 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
7543 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
7544 (OS_MISSING_ALTIVEC): Add.
7545 * config/i386/i386.c (override_options): Add
7546 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
7547 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
7548 -mkernel, -static or -mdynamic-no-pic is given.
7549 (C_COMMON_OVERRIDE_OPTIONS): Add.
7550 * config/darwin.opt (fapple-kext): Add.
7552 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
7553 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
7555 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
7556 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
7557 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
7558 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
7559 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
7560 (flag_mkernel): Add.
7561 (flag_apple_kext): Add.
7562 (TARGET_KEXTABI): Add.
7563 * config/darwin.c (darwin_handle_kext_attribute): Add.
7564 (DARWIN_VTABLE_P): Add.
7565 (darwin_binds_local_p): Add partial support for rebinding vtables
7567 (darwin_kextabi_p): Add.
7568 (darwin_override_options): Add.
7569 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
7570 (darwin_kextabi_p): Add.
7571 (darwin_override_options): Add.
7572 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
7573 __DYNAMIC__ and __STATIC__ here.
7575 2006-10-16 Brooks Moses <bmoses@stanford.edu>
7577 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
7578 Added mention of "make pdf" target, and Texinfo requirements for
7581 2006-10-16 DJ Delorie <dj@redhat.com>
7583 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
7584 into the GOT in case we need a subreg of the address.
7586 2006-10-16 Richard Guenther <rguenther@suse.de>
7589 * doc/extend.texi (X86 Built-in Functions): Fix typos in
7590 SSE builtin documentation. Document SSE2 builtins.
7592 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7594 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
7595 symbol in the output file for non-shared links when -nostdlib or
7596 -nodefaultlibs isn't specified.
7598 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
7599 posix thread support.
7601 2006-10-15 Jan Hubicka <jh@suse.cz>
7604 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
7605 declared always_inline even when not inlining.
7607 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
7608 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7609 Andrew Pinski <pinskia@gmail.com>
7612 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
7614 2006-10-15 Jan Hubicka <jh@suse.cz>
7615 Richard Guenther <rguenther@suse.de>
7618 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
7619 process_function_and_variable_attributes on all variables, including
7620 those discovered during cgraph construction phase.
7622 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
7624 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
7626 2006-10-14 Uros Bizjak <uros@kss-loka.si>
7628 * config/i386/athlon.md (athlon_fist): Add fisttp.
7630 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7631 Ian Lance Taylor <ian@airs.com>
7634 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
7635 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
7638 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
7640 * config/score/score.c, config/score/score.h: Fix comment
7643 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7646 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
7649 2006-10-13 Eric Christopher <echristo@apple.com>
7651 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
7653 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7656 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7657 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7658 alignment supported by 32-bit ELF.
7660 2006-10-13 Eric Christopher <echristo@apple.com>
7662 * config/darwin.c (darwin_emit_unwind_label): Strip
7663 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
7665 2006-10-13 Richard Guenther <rguenther@suse.de>
7667 PR tree-optimization/29446
7668 * tree-vrp.c (fix_equivalence_set): Remove.
7669 (extract_range_from_assert): Do not call fix_equivalence_set.
7670 (debug_value_range): Print a newline.
7671 (compare_name_with_value): For equivalence sets with
7672 inconsistent value ranges conservatively bail out.
7673 (compare_names): Likewise.
7675 2006-10-13 David Edelsohn <edelsohn@gnu.org>
7677 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
7678 and MPFR for gfortran.
7680 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
7682 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
7683 alignment supported by 32-bit ELF.
7685 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
7689 * c-typeck.c (digest_init): Always allow initializing vectors
7690 that have static storage duration with compound literals.
7691 * tree.c (build_type_attribute_qual_variant): New, based on
7692 build_type_attribute_variant.
7693 (build_type_attribute_variant): Rewrite using the former.
7694 (make_vector_type): Use build_type_attribute_qual_variant to build
7695 type variants. Use type_hash_canon on the others.
7697 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
7698 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
7700 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
7702 2006-10-12 Jan Hubicka <jh@suse.cz>
7705 * c-decl.c (c_make_fname_decl): Do not segfault in case where
7706 current_function_decl is set but current_function_scope is not.
7708 2006-10-12 Jie Zhang <jie.zhang@analog.com>
7710 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
7711 emit_insn to emit eh_return_internal instruction.
7712 (eh_return_internal): Explicitly set pc.
7714 2006-10-11 Richard Guenther <rguenther@suse.de>
7716 PR tree-optimization/28230
7717 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
7718 to the correct place.
7720 2006-10-11 Richard Guenther <rguenther@suse.de>
7723 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
7726 2006-10-10 Brooks Moses <bmoses@stanford.edu>
7728 * configure.ac: Added pdf to "Make-hooks"
7729 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
7730 targets and *.pdf file patterns in cleanup targets.
7731 * configure: Regenerated.
7733 2006-10-10 Anatoly Sokolov <aesok@post.ru>
7735 * config/avr/predicates.md: New file.
7736 * config/avr/avr.md: Include it.
7737 (REG_SP): New constant.
7738 (peepholes): Use predicates.
7739 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
7740 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
7741 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
7743 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
7745 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
7748 2006-10-10 Jakub Jelinek <jakub@redhat.com>
7751 * builtins.c (var_decl_component_p): New function.
7752 (fold_builtin_memset, fold_builtin_memory_op): Restrict
7753 single entry optimization to variables and components thereof.
7755 2006-10-10 Richard Guenther <rguenther@suse.de>
7757 PR rtl-optimization/29323
7758 * except.c (set_nothrow_function_flags): For functions
7759 that do not bind local bail out early.
7761 2006-10-10 Ben Elliston <bje@au.ibm.com>
7763 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
7766 2006-10-09 Richard Henderson <rth@redhat.com>
7768 Revert emutls patch.
7770 2006-10-09 Richard Guenther <rguenther@suse.de>
7773 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
7776 2006-10-09 Steve Ellcey <sje@cup.hp.com>
7779 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
7780 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
7781 * configure: Regenerate.
7782 * config.in: Regenerate.
7784 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
7786 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
7788 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7790 * config/mips/mips.c (mips_legitimize_tls_address): Implement
7791 all TLS models in the same way as local exec if !TARGET_ABICALLS.
7792 Remove stray newline.
7794 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7796 * config/mips/mips.c (mips_classify_symbol): Do not return
7797 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
7798 (mips_in_small_data_p): Tweak comments.
7800 2006-10-08 Richard Sandiford <richard@codesourcery.com>
7802 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
7804 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
7806 * gimplify.c, sched-int.h: Fix comment typos.
7808 * sched-int.h: Fix comment typos.
7810 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7812 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
7814 * sched-ebb.c (begin_schedule_ready): Use them.
7815 * haifa-sched.c (schedule_insn, move_insn, try_ready,
7816 add_to_speculative_block, create_check_block_twin, speculate_insn,
7817 fix_jump_move, move_block_after_check): Ditto.
7818 * sched-rgn.c (new_ready): Ditto.
7820 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7822 PR rtl-optimization/29128
7823 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
7824 * sched-ebb.c (advance_target_bb): Use it to fix condition to
7825 allow interblock movement of speculation checks.
7827 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
7830 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
7831 casted to integer type.
7832 (get_address_cost): Decrease cost of [symbol + index] addressing modes
7833 if they are significantly more expensive than [reg + index] ones.
7835 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7837 PR tree-optimization/29330
7838 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
7839 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
7840 on newly allocated ddrs.
7841 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
7842 to VEC (loop_p, heap) pointer.
7843 (compute_data_dependences_for_loop): Adjust caller.
7844 (free_dependence_relations): Free DDR_LOOP_NEST.
7846 * tree-loop-linear.c (linear_transform_loops): Don't forget to
7847 free DEPENDENCE_RELATIONS and DATAREFS.
7850 * builtins.c (expand_builtin_sync_operation,
7851 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
7852 Use convert_to_mode to handle promoted arguments.
7854 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7856 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
7858 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
7860 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
7862 2006-10-05 Uros Bizjak <uros@kss-loka.si>
7864 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
7865 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
7866 Use <modeconstraint> instead of "r" as operand 1 constraint.
7868 2006-10-06 Olivier Hainque <hainque@adacore.com>
7870 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
7871 Don't recurse on the pointed-to type.
7872 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
7873 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7874 types with components of variable size.
7876 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
7878 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
7880 2006-10-06 Jakub Jelinek <jakub@redhat.com>
7882 PR tree-optimization/29290
7883 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
7887 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
7888 * config/i386/predicates.md (local_symbolic_operand): Likewise.
7891 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
7892 the number of vector elements fill the rest with zeros.
7894 2006-10-05 Richard Sandiford <richard@codesourcery.com>
7896 * config/mips/mips.c (mips_pass_by_reference): Do not return false
7897 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
7900 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
7902 * config/bfin/bfin.md (subsi3): Lose expander, change previously
7903 unnamed pattern into subsi3. Use correct constraints/predicates.
7904 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
7905 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
7907 2006-10-05 Ira Rosen <irar@il.ibm.com>
7909 * doc/loop.texi: Add data references analysis description.
7911 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7913 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
7915 2006-10-04 Richard Henderson <rth@redhat.com>
7916 Jakub Jelinek <jakub@redhat.com>
7918 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
7919 * builtin-types.def (BT_WORD): Make unsigned.
7920 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
7921 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
7922 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
7923 * c-decl.c (grokdeclarator): Don't error if !have_tls.
7924 * c-parser.c (c_parser_omp_threadprivate): Likewise.
7925 * cgraph.c (decide_is_variable_needed): Look at force_output.
7926 Recurse for emulated tls.
7927 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
7928 checks redundant with decide_is_variable_needed.
7929 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
7930 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
7932 * expr.c (emutls_var_address): New.
7933 (expand_expr_real_1): Expand emulated tls.
7934 (expand_expr_addr_expr_1): Likewise.
7935 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
7936 * output.h (emutls_finish): Declare.
7937 * toplev.c (compile_file): Call it.
7938 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
7939 address before wrapping in CONST.
7940 * varasm.c (emutls_htab, emutls_object_type): New.
7941 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
7942 (get_emutls_object_name, get_emutls_object_type): New.
7943 (get_emutls_init_templ_addr, emutls_decl): New.
7944 (emutls_common_1, emutls_finish): New.
7945 (assemble_variable): When emulating tls, swap decls; generate
7946 constructor for the emutls objects.
7947 (do_assemble_alias): When emulating tls, swap decl and target name.
7948 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
7950 * emutls.c: New file.
7951 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
7952 tls_object for real tls.
7954 2006-10-04 Zack Weinberg <zackw@panix.com>
7956 Fix bug in constraint-check generator, reported by Rask Ingemann
7958 * genpreds.c (add_constraint): Don't remove anything from the
7960 (write_tm_constrs_h): Detect whether "op" argument is used, and
7961 mark it ARG_UNUSED if it isn't.
7962 (write_insn_const_int_ok_for_constraint): Skip the part of the
7963 expression that would test whether "op" (which is not available
7964 here) is a CONST_INT.
7966 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
7969 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
7971 2006-10-03 Geoffrey Keating <geoffk@apple.com>
7973 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
7974 current Leopard versions.
7975 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
7977 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
7979 * doc/install.texi: Fix typos.
7981 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
7983 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
7984 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
7985 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
7987 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
7989 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
7990 arg to be struct mach_header_64* instead.
7992 2006-10-02 Jakub Jelinek <jakub@redhat.com>
7995 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
7996 side effects after the outer expression's post side effects.
7998 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
8000 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
8001 comments to reflect actual behavior and relationship between
8002 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
8004 * doc/c-tree.texi (Working with declarations): Fix documentation
8005 of FIELD_DECL likewise.
8007 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
8010 * doc/extend.texi: Add used variable attribute description.
8012 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
8015 * c.opt (Woverride-init): New.
8016 * c-opts.c (c_common_post_options): Default warn_override_init to
8018 * c-typeck.c (add_pending_init, output_init_element): Warn for
8019 overriding initializers without side effects.
8020 * doc/invoke.texi (-Woverride-init): Document.
8023 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
8025 PR rtl-optimization/28096
8026 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
8027 assignment has already been used as a destination earlier in the block.
8029 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
8031 * builtins.c (expand_builtin_setjmp): Delete.
8032 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
8033 <BUILT_IN_SETJMP_SETUP>: New case.
8034 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
8035 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
8036 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
8037 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
8038 (BUILT_IN_SETJMP_RECEIVER): Likewise.
8039 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
8040 (lower_function_body): Initialize it to false. If it is set to true
8041 at the end of the processing, emit the setjmp dispatcher.
8042 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
8043 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
8044 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
8045 on the rhs of the assignment.
8046 (lower_builtin_setjmp): New function.
8047 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
8048 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
8049 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
8050 to detect calls that can go to non-local labels. Use specific
8051 helper to create the abnormal edges associated with them.
8052 <MODIFY_EXPR>: Likewise.
8053 (make_abnormal_goto_edges): New function extracted from...
8054 (make_goto_expr_edges): ...here. Call it for computed gotos.
8055 (simple_goto_p): Minor tweak.
8056 (tree_can_make_abnormal_goto): New predicate.
8057 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
8058 (tree_purge_dead_abnormal_call_edges): New function.
8059 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
8060 (tree_purge_dead_abnormal_call_edges): Likewise.
8061 (make_abnormal_goto_edges): Likewise.
8062 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
8063 Purge all dead abnormal edges if the call was in the last statement.
8064 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
8065 (execute_fixup_cfg): If there are non-local labels in the function,
8066 scan the basic blocks and split them at calls that can go to non-local
8067 labels or add missing abnormal call edges. Write down the CFG in the
8069 (pass_fixup_cfg): Remove TODO_dump_func flag.
8070 * unwind-sjlj.c: Poison setjmp.
8071 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
8072 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
8073 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
8074 (DONT_USE_BUILTIN_SETJMP): Document it.
8076 2006-09-28 Geoffrey Keating <geoffk@apple.com>
8079 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
8080 to 1 when __ppc64__ is defined.
8081 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
8083 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
8085 2006-09-28 Steve Ellcey <sje@cup.hp.com>
8087 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
8088 * config/ia64/unwind-hpux.c: Delete.
8090 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
8092 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
8093 on the element before gimplifying it, instead of punting if it is of
8096 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
8098 * doc/loop.texi: New file.
8099 * doc/gccint.texi: Reference loop.texi.
8100 * Makefile.in (loop.texi): Add.
8102 2006-09-27 Geoffrey Keating <geoffk@apple.com>
8104 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
8106 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8107 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
8109 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
8111 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
8113 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
8115 * doc/install.texi: Document required versions of GMP and MPFR.
8117 2006-09-27 Paul Brook <paul@codesourcery.com>
8120 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
8122 2006-09-27 Richard Sandiford <richard@codesourcery.com>
8124 * reload1.c (alter_reg): Require the alignment of the stack slot to
8125 be at least reg_max_ref_width bytes.
8126 (scan_paradoxical_subregs): Record the largest width in
8129 2006-09-26 Jakub Jelinek <jakub@redhat.com>
8133 * tree-nested.c (struct nesting_info): Added static_chain_added.
8134 (convert_call_expr): Set static_chain_added when adding static
8135 chain. Handle OMP_PARALLEL and OMP_SECTION.
8137 2006-09-25 Matthias Klose <doko@debian.org>
8139 * doc/invoke.texi: Add missing full stop.
8141 2006-09-25 Richard Henderson <rth@redhat.com>
8143 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
8144 before cgraph_function_flags_ready.
8146 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
8147 Adam Nemet <anemet@caviumnetworks.com>
8149 * tree-ssa-loop-ivopts.c (aff_combination_convert,
8150 determine_common_wider_type): New functions.
8151 (get_computation_aff): Use them to simplify arithmetic between
8152 UBASE and CBASE if they are shortened from the same type.
8154 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
8157 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
8158 -2147483647 - 1 instead of 0x80000000.
8160 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
8162 * flags.h (HONOR_NANS): Fix typo in comment.
8164 2006-09-23 Uros Bizjak <uros@kss-loka.si>
8166 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
8168 2006-09-23 Jakub Jelinek <jakub@redhat.com>
8172 * tree.c (merge_attributes, attribute_list_contained): If both
8173 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
8175 * c-typeck.c (comptypes_internal): Don't consider aggregates
8176 in different TUs as compatible if there one set of attributes is
8177 not a subset of the other type's attributes.
8178 (composite_type): Try harder not to create a new aggregate type.
8180 2006-09-22 Geoffrey Keating <geoffk@apple.com>
8182 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
8183 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
8184 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
8185 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
8186 than replicating condition above.
8187 * config.host (i[34567]86-*-*): Always use driver-i386.o.
8189 * config/darwin.h (LINK_SYSROOT_SPEC): New.
8190 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
8191 the linker by default.
8193 2006-09-22 Mike Stump <mrs@apple.com>
8195 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
8198 2006-09-22 Richard Guenther <rguenther@suse.de>
8201 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
8202 sort of stack variables stable.
8204 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
8207 * explow.c (force_reg): Set REG_POINTER flag according to
8210 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
8212 PR tree-optimization/28888
8213 * tree-if-conv.c (combine_blocks): Rewritten.
8214 * tree-cfg.c (tree_verify_flow_info): Check that edges with
8215 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
8217 2006-09-22 Jakub Jelinek <jakub@redhat.com>
8219 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
8222 2006-09-21 Richard Sandiford <richard@codesourcery.com>
8224 * varasm.c (copy_constant): Fix reversed gcc_assert check.
8226 2006-09-21 Janis Johnson <janis187@us.ibm.com>
8228 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
8230 2006-09-21 Roger Sayle <roger@eyesopen.com>
8233 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
8234 dw_fde_current_label, to be the start of the function, i.e. the same
8235 value as dw_fde_begin.
8237 2006-09-20 Richard Sandiford <richard@codesourcery.com>
8239 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
8240 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
8241 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
8242 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
8243 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
8244 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
8245 (abs<mode>2, neg<mode>2): Likewise.
8246 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
8247 (*mips_abs_ps): New define_insn.
8249 2006-09-20 Josh Conner <jconner@apple.com>
8252 * calls.c (expand_call): Allow reuse of structure return stack
8255 2006-09-20 Paul Brook <paul@codesourcery.com>
8257 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
8260 2006-09-20 Janis Johnson <janis187@us.ibm.com>
8262 * doc/extend.texi (Decimal Float): Update for latest draft TR,
8263 clean up terminology.
8265 2006-09-20 Steve Ellcey <sje@cup.hp.com>
8268 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
8269 with tablejumps in them.
8271 2006-09-20 Jakub Jelinek <jakub@redhat.com>
8274 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
8275 wrap it into TARGET_EXPR.
8277 2006-09-20 Eric Christopher <echristo@apple.com>
8279 * config/i386/i386.c (x86_fisttp): Remove.
8280 * config/i386/i386.h (x86_fisttp): Ditto.
8281 (TARGET_FISTTP): Ditto.
8283 2006-09-19 Eric Christopher <echristo@apple.com>
8285 * doc/tm.texi (OBJC_JBLEN): Describe.
8286 * config/i386/darwin.h (OBJC_JBLEN): Define.
8287 * config/rs6000/darwin.h: Ditto.
8289 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
8291 PR rtl-optimization/21299
8292 * reload1.c (reload): Purge invalid ASMs in the final pass.
8294 2006-09-19 Steve Ellcey <sje@cup.hp.com>
8297 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
8298 pointers as legitimate constants.
8300 2006-09-19 Paul Brook <paul@codesourcery.com>
8303 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
8305 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
8307 PR tree-optimization/28887
8308 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
8309 component parts from the reference.
8310 (gather_memory_references_ref): Record the reference without the
8311 nonaddressable component parts.
8313 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
8316 * c-opts.c (c_common_handle_option): Ignore the -std options
8317 if the input language is assembly.
8319 2006-09-17 Ira Rosen <irar@il.ibm.com>
8322 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
8324 (ptr_ptr_may_alias_p): Likewise.
8325 (record_record_differ_p): New function.
8326 (base_object_differ_p): Call record_record_differ_p.
8328 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8331 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
8332 away for the expr argument.
8334 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8337 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
8338 before using it for dumping after vectorizing loops.
8340 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
8341 Jack Howarth <howarth@bromo.med.uc.edu>
8344 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
8345 skip on error_mark_node.
8346 (rs6000_darwin64_record_arg_recurse): Likewise.
8348 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
8350 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
8351 * doc/rtl.texi: Remove related documentation.
8353 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
8355 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
8358 2006-09-15 Jim Wilson <wilson@specifix.com>
8360 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
8361 Handle symbol offsets same as they are handled in ia64_expand_move
8364 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
8366 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
8367 Add forgotten parameter to the fprintf call.
8369 2006-09-15 Steve Ellcey <sje@cup.hp.com>
8371 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
8373 2006-09-15 Uros Bizjak <uros@kss-loka.si>
8375 * doc/contrib.texi: Add my entry.
8377 2006-09-15 Nick Clifton <nickc@redhat.com>
8379 * doc/md.texi (Processor pipeline description): Fix typo in
8380 example of how to use the absence_set directive and reword the
8381 description to make it slightly easier to read.
8383 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
8385 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
8386 * loop-doloop.c (doloop_optimize): Use it to limit costs of
8387 expanding the number of iterations.
8388 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
8390 * cfgrtl.c (emit_insn_at_entry): New function.
8391 * rtl.h (emit_insn_at_entry): Declare it.
8392 * integrate.c (emit_initial_value_sets): Use it.
8394 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
8396 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
8398 (struct loop_work and related VEC declarations): Delete.
8399 (bfin_dump_loops): Print out new member bad.
8400 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
8401 (bfin_scan_loop): Don't recurse.
8402 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
8403 loops. No longer need to update outer loops if the current one is
8404 found bad. Move some validitiy checks to bfin_discover_loop.
8405 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
8406 but changed not to check for nesting. Also changed to use the new bad
8408 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
8409 time. Use bitmap based test to discover loop nesting.
8411 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
8413 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
8416 2006-09-14 Richard Guenther <rguenther@suse.de>
8417 Kazu Hirata <kazu@codesourcery.com>
8419 PR middle-end/28884.
8420 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
8421 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
8422 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
8423 with TARGET_FUNCTION_VALUE.
8425 2006-09-14 Anatoly Sokolov <aesok@post.ru>
8428 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
8430 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
8432 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
8435 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
8438 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
8441 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8443 * basic_block.h (bb_has_eh_pred): Fix comment.
8445 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
8447 * flow.c (calculate_global_regs_live): Invalidate eh registers
8448 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
8449 (propagate_block): Handle eh registers as if they were set at basic
8451 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
8453 * global.c (global_conflicts): Make eh registers to conflict with
8454 pseudos live at basic block begin.
8455 * basic_block.h (bb_has_eh_pred): New function.
8457 2006-09-13 Richard Sandiford <richard@codesourcery.com>
8459 PR rtl-optimization/28982
8460 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
8461 index of a PRE_MODIFY or POST_MODIFY address.
8462 * reload1.c (inc_for_reload): Use find_replacement on the original
8463 base and index registers.
8465 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
8467 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
8468 for -Os. Update __m128 alignment requirement.
8470 2006-09-13 Jan Hubicka <jh@suse.cz>
8472 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
8474 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
8476 PR rtl-optimization/28243
8477 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
8478 the insn to which the note was originally attached.
8480 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
8481 Roger Sayle <roger@eyesopen.com>
8483 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
8484 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
8485 on platforms that don't use dwarf for debug info.
8487 2006-09-12 Jason Merrill <jason@redhat.com>
8490 * builtins.c (expand_builtin_setjmp_receiver): Clobber
8491 hard_frame_pointer_rtx after using it to update the frame pointer.
8493 2006-09-12 Roger Sayle <roger@eyesopen.com>
8495 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
8496 (TARGET_ASM_CLOSE_PAREN): Likewise.
8497 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
8498 (TARGET_ASM_CLOSE_PAREN): Likewise.
8500 2006-09-12 Roger Sayle <roger@eyesopen.com>
8503 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
8504 frame information for frames larger than 512 Kbytes on Tru64 when
8505 using the native assembler.
8507 2006-09-12 Roger Sayle <roger@eyesopen.com>
8511 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
8512 and symbols. Instead use the implementation from cse.c's hash_rtx.
8514 2006-09-12 Jan Hubicka <jh@suse.cz>
8516 PR rtl-optimization/28071
8517 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
8518 (vect_transform_loop): Likewise.
8519 * tree-vectorizer.c (new_loop_vec_info): Likewise.
8520 (new_loop_vec_info): Likewise.
8521 (destroy_loop_vec_info): Likewise.
8522 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
8523 (create_stmt_ann): Likewise.
8524 (create_tree_ann): Rename to ...
8525 (create_tree_common_ann): ... this one; allocate only the common part
8527 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
8528 (get_value_handle): Likewise.
8529 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
8530 get_tree_common_ann.
8531 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
8532 (vinfo_for_stmt): Use stmt annotations.
8533 * tree-flow.h (tree_ann_common_t): New type.
8534 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
8535 (tree_ann, get_tree_ann, create_tree_ann): New.
8536 * tree-flow-inline.h (get_function_ann): Do more type checking.
8537 (stmt_ann): Likewise.
8538 (tree_ann): Rename to ...
8539 (tree_common_ann): ... this one; return ony common_ann
8540 (get_tree_ann): Rename to ...
8541 (tree_common_ann): This one; return only common_ann.
8542 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
8545 2006-09-11 Geoffrey Keating <geoffk@apple.com>
8547 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
8548 with_cpu by default.
8550 * dwarf2out.c (dwarf_file_data): New.
8551 (enum dw_val_class): Add dw_val_class_file.
8552 (struct dw_val_struct): Add val_file.
8553 (file_table): Change to a hash table.
8554 (file_table_emitted): Delete.
8555 (file_table_last_lookup_index): Delete.
8556 (emitcount): Delete.
8557 (last_emitted_file): New.
8558 (lookup_filename): Change prototype to return a struct dwarf_file_data.
8559 (init_file_table): Delete.
8560 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
8561 (AT_addr): Add comment.
8565 (print_die): Handle dw_val_class_file.
8566 (print_dwarf_line_table): Update for new file table structure.
8567 (attr_checksum): Do checksum a filename.
8568 (same_dw_val_p, same_attr_p): Do compare a filename.
8569 (size_of_die): Handle dw_val_class_file.
8570 (value_format): Likewise.
8571 (output_die): Likewise. Also, call maybe_emit_file here.
8572 (struct file_info): Constify filenames. Make file_idx a pointer
8573 to a struct dwarf_file_data.
8574 (struct dir_info): Constify directory names. Remove 'used' field.
8575 (struct file_name_acquire_data): New.
8576 (file_name_acquire): New.
8577 (output_file_names): Modify to handle new file data structures.
8578 (add_src_coords_attributes): Use add_AT_file.
8579 (add_call_src_coords_attributes): Likewise.
8580 (dwarf2out_imported_module_or_decl): Likewise.
8581 (gen_subprogram_die): Modify for new file data structures.
8582 (gen_variable_die): Likewise.
8583 (file_table_eq): New.
8584 (file_table_hash): New.
8585 (file_table_last_lookup): New.
8586 (lookup_filename): Rewrite to handle new file data structures.
8587 (maybe_emit_file): Rewrite to handle new file data structures.
8588 (dwarf2out_source_line): Always call lookup_filename and
8590 (dwarf2out_init): Create file_table here.
8591 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
8592 (file_table_relative_p): New.
8593 (dwarf2out_finish): Change detection of relative filenames
8594 to work with new file data structures. Move output_line_info call
8595 after debug_info output.
8597 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
8602 * config/i386/i386.c (override_options): Always default to 16
8603 byte stack boundary.
8605 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
8608 * var-tracking.c (dump_dataflow_set): Start dumping at
8610 (clobber_variable_part): Kill only the variable part in
8611 registers holding it, leaving other variables alone.
8613 2006-09-11 Josh Triplett <josh@freedesktop.org>
8615 * doc/extend.texi (Other Builtins): Actually use the macro
8616 argument in the documentation example for
8617 __builtin_types_compatible_p.
8619 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8621 PR rtl-optimization/28726
8622 * sched-deps.c (sched_analyze_reg): New function extracted from...
8623 (sched_analyze_1): ...here. Call it to analyze references to
8624 registers. Treat again writes to a stack register as writing to the
8626 (sched_analyze_2): ...and here. Call it to analyze references to
8627 registers. Treat again reads of a stack register as reading the
8630 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
8631 David Edelsohn <edelsohn@gnu.org>
8634 * config/rs6000/spe.md (frob_df_di): Remove %H.
8635 (frob_di_df): Remove %H. Change evmergelo to mr.
8636 (frob_di_df_2): Remove %H. Change evldd to two loads.
8638 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
8640 * doc/cpp.texi: Fix names of charset options.
8642 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
8645 * config/i386/i386.c (override_options): Use 128-bit
8646 stack boundary always for 64bits.
8648 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8650 PR rtl-optimization/28636
8651 * combine.c (force_to_mode): Test for side-effects before
8652 substituting by zero.
8653 (simplify_shift_const): Likewise for zero or other constants.
8655 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
8658 * builtins.c (expand_builtin_setjmp): Force next_lab to be
8661 2006-09-10 Richard Sandiford <richard@codesourcery.com>
8664 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
8665 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
8666 returned by mode_for_size, rather than the mode of src itself,
8667 to choose between 32-bit and 64-bit patterns.
8668 (mips_mem_fits_mode_p): New function.
8669 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
8670 that the size of the source matches the size of the destination.
8671 (mov_<store>l, mov_<store>r): Likewise.
8673 2006-09-10 Eric Christopher <echristo@apple.com>
8675 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
8678 2006-09-09 Eric Christopher <echristo@apple.com>
8681 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
8684 2006-09-09 Roger Sayle <roger@eyesopen.com>
8685 Nicolas Setton <setton@adacore.com>
8687 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
8689 2006-09-10 Andreas Schwab <schwab@suse.de>
8691 * config/m68k/m68k.md (bungt_rev): New pattern.
8693 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
8694 Dale Johannesen <dalej@apple.com>
8697 * regclass.c (struct reg_pref): Update documentation.
8698 (regclass): Set prefclass to NO_REGS if memory is the best option.
8699 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8701 2006-09-08 Eric Christopher <echristo@apple.com>
8703 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
8704 * config/t-slibgcc-darwin: Support x86_64 multilib.
8705 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
8706 Return 1 for x86_64-darwin.
8707 * config/i386/t-darwin: Add m64 multilib.
8708 (LIB2_SIDITI_CONV_FUNCS): Use.
8709 (LIB2FUNCS_EXTRA): Ditto.
8710 * config/i386/darwin.h: Support x86_64.
8711 * config/i386/i386.c (override_options): Turn on flag_pic
8712 for x86_64-darwin. Disable flag_omit_pointer.
8713 (get_pc_thunk_name): Assert !TARGET_64BIT.
8714 (legitimate_address_p): Disable machopic addressing for
8716 (legitimize_pic_address): Ditto.
8717 (ix86_expand_move): Ditto.
8718 (ix86_expand_call): Ditto.
8719 (machopic_output_stub): Ditto.
8720 * config/darwin.c (machopic_select_section): Support literal16.
8721 (machopic_select_rtx_section): Ditto.
8722 * config/darwin-sections.def: Ditto.
8723 * config/darwin-64.c: New.
8725 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
8728 * c-tree.h (struct c_arg_info): Add pending_sizes.
8729 * c-parser.c (c_parser_parms_declarator,
8730 c_parser_parms_list_declarator): Initialize pending_sizes.
8731 * c-decl.c (get_parm_info): Initialize pending_sizes.
8732 (get_parm_info): Set pending_sizes.
8733 (grokdeclarator): Call put_pending_sizes for parameters for
8734 function definition only.
8736 2006-09-07 Jason Merrill <jason@redhat.com>
8739 * varasm.c (output_constant): Only strip actual no-op conversions.
8742 * config/i386/i386.c (override_options): Use 128-bit
8743 stack boundary if -msse.
8745 2006-09-07 Eric Christopher <echristo@apple.com>
8747 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
8749 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
8752 2006-09-07 Geoffrey Keating <geoffk@apple.com>
8754 * dwarf2out.c: Remove strange characters from comment above
8755 dwarf2out_frame_debug_expr.
8757 2006-09-07 Eric Christopher <echristo@apple.com>
8759 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
8760 * config/darwin.h: ... to here.
8762 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
8764 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
8766 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
8767 (TARGET_PARTIAL_FLAG_REG_STALL): New.
8769 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
8770 TARGET_PARTIAL_FLAG_REG_STALL.
8771 (*ashldi3_cconly_rex64): Likewise.
8772 (*ashlsi3_cmp): Likewise.
8773 (*ashlsi3_cconly): Likewise.
8774 (*ashlsi3_cmp_zext): Likewise.
8775 (*ashlhi3_cmp): Likewise.
8776 (*ashlhi3_cconly): Likewise.
8777 (*ashlqi3_cmp): Likewise.
8778 (*ashlqi3_cconly): Likewise.
8779 (*ashrdi3_cmp_rex64): Likewise.
8780 (*ashrdi3_cconly_rex64): Likewise.
8781 (*ashrsi3_cmp): Likewise.
8782 (*ashrsi3_cconly): Likewise.
8783 (*ashrsi3_cmp_zext): Likewise.
8784 (*ashrhi3_cmp): Likewise.
8785 (*ashrhi3_cconly): Likewise.
8786 (*ashrqi3_cmp): Likewise.
8787 (*ashrqi3_cconly): Likewise.
8788 (*lshrdi3_cmp_rex64): Likewise.
8789 (*lshrdi3_cconly_rex64): Likewise.
8790 (*lshrsi3_cmp): Likewise.
8791 (*lshrsi3_cconly): Likewise.
8792 (*lshrsi3_cmp_zext): Likewise.
8793 (*lshrhi3_cmp): Likewise.
8794 (*lshrhi3_cconly): Likewise.
8795 (*lshrqi2_cmp): Likewise.
8796 (*lshrqi2_cconly): Likewise.
8798 2006-09-07 Uros Bizjak <uros@kss-loka.si>
8801 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
8802 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
8803 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
8804 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
8805 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
8806 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
8807 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
8808 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
8809 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
8810 implement only CC setting effects of shift instructions.
8812 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
8814 * doc/contrib.texi: Add myself.
8816 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
8819 * stor-layout.c (relayout_decl): Don't zero the alignment if it
8820 was set by the user.
8822 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
8825 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
8826 (divsi_inv_m1): Use them.
8827 (UNSPEC_DIV_INV_TABLE): New constant.
8829 2006-09-06 James E Wilson <wilson@specifix.com>
8832 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
8833 then call count_or_remove_death_notes.
8835 2006-09-06 Jason Merrill <jason@redhat.com>
8838 * tree-inline.c (copy_result_decl_to_var): New fn.
8839 (declare_return_variable): Use it. Call declare_inline_vars here.
8840 (expand_call_inline): Not here.
8842 2006-09-06 Diego Novillo <dnovillo@redhat.com>
8844 * doc/contrib.texi: Update my entry.
8846 2006-09-06 Nick Clifton <nickc@redhat.com>
8848 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
8850 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8853 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
8854 (canonicalize_induction_variables): Likewise.
8855 (tree_unroll_loops_completely): Likewise.
8856 (tree_ssa_prefetch_arrays): Likewise.
8857 (remove_empty_loops): Likewise.
8858 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
8859 TODO_cleanup_cfg instead of directly calling
8860 cleanup_tree_cfg_loop.
8861 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
8863 (tree_unroll_loops_completely): Likewise.
8864 (remove_empty_loops): Likewise.
8865 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
8866 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
8867 of tree_ssa_unswitch_loops.
8868 (tree_ssa_loop_ivcanon): Use the return value of
8869 canonicalize_induction_variables.
8870 (tree_ssa_empty_loop): Use the return value of
8872 (tree_complete_unroll): Use the return value of
8873 tree_unroll_loops_completely.
8874 (tree_ssa_loop_prefetch): Use the return value of
8875 tree_ssa_prefetch_arrays.
8876 * passes.c (execute_todo): Before Cleanup CFG, set
8877 updating_used_alone and after cleanup CFG, call
8878 recalculate_used_alone.
8880 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
8883 * tree-vect-transform.c (vectorizable_condition): Move the check
8884 for the type after the check for simple condition.
8886 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
8887 Kaz Kojima <kkojima@gcc.gnu.org>
8890 * mode-switching.c (optimize_mode_switching): Make the destination
8891 block of an abnormal edge have no anticipatable mode. Don't
8892 insert mode switching code at the end of the source block of
8895 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
8897 PR rtl-optimization/26847
8898 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
8899 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
8900 (simplify_plus_minus): Count n_constants while filling ops. Replace
8901 qsort with insertion sort. Before going through the array to simplify
8902 pairs, sort it. Delay early exit until after the first sort, exiting
8903 only if no swaps occurred. Simplify pairs in reversed order, without
8904 special-casing the first iteration. Pack ops after simplifying pairs.
8906 2006-09-05 Anatoly Sokolov <aesok@post.ru>
8908 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
8909 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8910 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8911 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
8913 2006-09-05 Richard Guenther <rguenther@suse.de>
8915 PR tree-optimization/28900
8916 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
8917 compound conditional before creating COND_EXPR condition.
8919 2006-09-05 Richard Guenther <rguenther@suse.de>
8921 PR tree-optimization/28905
8922 * tree-vrp.c (fix_equivalence_set): Manually implement
8923 !value_ranges_intersect_p to also handle symbolic ranges.
8925 2006-09-05 Richard Guenther <rguenther@suse.de>
8928 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
8931 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
8933 PR rtl-optimization/27616
8934 * cse.c (table_size): New static variable.
8935 (new_basic_block): Initialize it to 0.
8936 (remove_from_table): Decrement it.
8937 (insert): Increment it.
8938 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
8939 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
8940 fold_rtx_mem_1 if under the cap.
8941 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
8942 the lookup of the equivalent expression and test for equality of the
8943 first operand of the equivalent expression before in turn looking up
8944 an equivalent constant for the second operand.
8946 2006-09-02 Geoffrey Keating <geoffk@apple.com>
8949 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8950 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8951 pointer, instead of assuming it is possible to derive the
8952 correct args size from a call insn.
8954 2006-09-02 Jakub Jelinek <jakub@redhat.com>
8957 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
8958 (fold_builtin_mempcpy): Rename to...
8959 (fold_builtin_memory_op): ... this. Optimize one element copy
8961 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
8963 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
8964 (expand_builtin_memcpy, expand_builtin_mempcpy,
8965 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
8966 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
8967 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
8968 BUILT_IN_MEM{CPY,PCPY,MOVE}.
8970 2006-09-01 DJ Delorie <dj@redhat.com>
8972 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
8973 (stzx_16): Likewise.
8974 ("stzx_24_<mode>"): Likewise.
8975 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
8976 ("cmp<mode>_op"): New.
8977 (cmp<mode>): Change to expander; just save operands.
8979 (b<code>): Change to expander, emit compare here.
8980 (s<code>_op): Change to use split and expander.
8981 (s<code>_24_op): Likewise.
8982 (s<code>_<mode>): New.
8983 (s<code>_<mode>_24): New.
8984 (movqicc_<code>_<mode): New.
8985 (movhicc_<code>_<mode>): New.
8988 * config/m32c/m32c.c (compare_op0, compare_op1): New.
8989 (m32c_pend_compare): New.
8990 (m32c_unpend_compare): New.
8991 (m32c_expand_scc): New.
8992 (m32c_expand_movcc): Emit the compare also.
8993 * config/m32c/predicates.md (mra_nopp_operand): New.
8995 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
8996 Richard Guenther <rguenther@suse.de>
8997 Adam Nemet <anemet@caviumnetworks.com>
9000 * builtins.c (get_pointer_alignment): Handle more forms
9001 of base addresses that can be used to derive more precise
9002 information about alignment.
9004 2006-09-01 Jason Merrill <jason@redhat.com>
9007 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
9010 * gimplify.c (voidify_wrapper_expr): Handle null type.
9012 2006-09-01 Josh Conner <jconner@apple.com>
9015 * tree-nrv.c (dest_safe_for_nrv_p): New function.
9016 (execute_return_slot_opt): Use it.
9018 2006-08-31 Josh Conner <jconner@apple.com>
9021 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
9022 returning aggregates.
9024 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
9026 PR tree-optimization/28839
9027 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
9028 blocks in that phi arguments appear.
9030 2006-08-31 Roger Sayle <roger@eyesopen.com>
9033 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
9034 NULL, otherwise use an advance_loc4 to adjust relative to the
9036 (output_cfi) <DW_CFA_set_loc>: Update the current label.
9037 (dwarf2out_switch_text_section): Reset the current label to avoid
9038 using advance_loc4 over section boundaries.
9040 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
9043 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
9044 r12 + SYMBOLIC_CONST.
9046 2006-08-30 Richard Guenther <rguenther@suse.de>
9048 * Makefile.in (see.o): Add $(EXPR_H) dependency.
9050 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
9052 PR rtl-optimization/27735
9053 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
9054 Add new argument to keep track of whether an irreducible region
9055 was affected. All callers changed.
9056 (fix_irreducible_loops): Removed.
9057 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
9058 flags were invalidated.
9060 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
9062 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
9063 instead of SF operands.
9064 (*fop_df_comm_sse): Likewise.
9065 (*fop_df_comm_i387): Likewise.
9066 (*fop_df_1_mixed): Likewise.
9067 (*fop_df_1_sse): Likewise.
9069 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
9070 J"orn Rennecke <joern.rennecke@st.com>
9072 PR tree-optimization/17506
9073 * tree-ssa.c (warn_uninit): If warning about a location outside of
9074 the current function, note where the variable was declared.
9076 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
9078 PR tree-optimization/28411
9079 * double-int.c (double_int_div): Use double_int_divmod.
9080 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
9081 double_int_mod, double_int_smod, double_int_umod): New functions.
9082 * double-int.h (double_int_divmod, double_int_sdivmod,
9083 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
9085 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
9087 (get_computation_aff, get_computation_cost_at): Handle double_int
9088 return type of constant_multiple_of.
9090 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
9093 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
9094 an implicit conversion.
9096 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
9098 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
9100 2006-08-27 Roger Sayle <roger@eyesopen.com>
9102 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
9105 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
9107 * config/i386/crtfastmath.c: Fix a comment typo.
9109 2006-08-26 Roger Sayle <roger@eyesopen.com>
9111 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
9112 temporary visit flags on CASE_LABEL_EXPRs.
9113 * c-common.c (match_case_to_enum): Add function comment. Avoid
9114 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
9115 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
9116 CASE_HIGH_SEEN for enumerated types. If the switch expression is
9117 a constant, only warn if that constant value isn't handled.
9119 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
9122 * input.h (restore_input_file_stack): Declare.
9123 (INPUT_FILE_STACK_BITS): Define.
9124 * toplev.c (fs_p, input_file_stack_history,
9125 input_file_stack_restored, restore_input_file_stack): New.
9126 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
9127 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
9128 (pop_srcloc): Don't free old state of stack.
9130 2006-08-26 David Edelsohn <edelsohn@gnu.org>
9133 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
9134 (PowerPC Type Attributes): New.
9136 2006-08-26 Bob Wilson <bob.wilson@acm.org>
9138 * config/xtensa/xtensa.c (function_arg_boundary): New.
9139 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
9141 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
9142 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
9144 2006-08-26 Jakub Jelinek <jakub@redhat.com>
9147 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
9150 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9152 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
9153 (verify_local_live_at_start): Likewise.
9155 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9158 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
9159 omp_add_variable): Treat sizes as variable whenever not
9162 2006-08-26 Richard Guenther <rguenther@suse.de>
9165 * fold-const.c (fold_binary): Fold temporary to correct
9166 type before constructing new comparison.
9168 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
9171 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
9172 variable again if DECL_SEEN_IN_BIND_EXPR_P.
9174 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
9177 * c-decl.c (start_function): Don't try to process prototype
9178 information from old declaration that isn't a function.
9180 2006-08-25 Jan Hubicka <jh@suse.cz>
9183 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
9185 2006-08-25 Alan Modra <amodra@bigpond.net.au>
9188 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
9191 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
9193 PR tree-optimization/16876
9194 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
9195 exit if PARM doesn't match VALUE.
9197 2006-08-25 Bob Wilson <bob.wilson@acm.org>
9199 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
9200 literal_prefix directive.
9201 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
9202 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9203 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
9205 2006-08-25 David Edelsohn <edelsohn@gnu.org>
9208 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
9209 predicate to general_operand. Add 0->y and I->r alternatives.
9211 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
9213 * doc/tm.texi: Fix a typo.
9214 * predict.c: Fix comment typos.
9216 2006-08-25 Nick Clifton <nickc@redhat.com>
9218 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
9219 assertions of "cpu" and "machine".
9221 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
9224 * tree-ssa-operands.c (access_can_touch_variable): Don't say
9225 the access through a base which has an alias set of 0 cannot
9228 2006-08-24 Bill Wendling <wendling@apple.com>
9230 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
9232 2006-08-24 Jan Hubicka <jh@suse.cz>
9234 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
9236 2006-08-24 Jan Hubicka <jh@suse.cz>
9239 * cgraph.c: Fix comments.
9240 (cgraph_varpool_mark_needed_node): Mark only variables not already
9242 * cgraphunit.c: Update comments; include gt-cgraphunit.h
9243 (cgraph_varpool_assembled_nodes_queue): New static variable.
9244 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
9245 (cgraph_varpool_output_debug_info): New function.
9246 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
9247 * Makefile.in: Add gt-cgraphunit.h
9249 2006-08-24 Jan Hubicka <jh@suse.cz>
9251 * predict.c (probability_reliable_p): New predicate.
9252 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
9253 (predict_loops): Do not predict loop exit with less than 2%
9255 * basic-block.h (edge_probability_reliable_p,
9256 br_prob_note_reliable_p): Declare.
9257 * ia64.h (ia64_print_operand): Do not disable on-chip branch
9258 prediction when static predictor is not reliable.
9259 * rs6000.c (output_cbranch): Likewise.
9261 2006-08-23 Stuart Hastings <stuart@apple.com>
9264 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
9265 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
9267 2006-08-21 Geoffrey Keating <geoffk@apple.com>
9270 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
9271 complex values, nor for generic vector values.
9273 2006-08-22 Richard Guenther <rguenther@suse.de>
9276 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
9277 parameter. Convert arguments to arithmetic expression to the
9279 (analyze_scalar_evolution_1): Adjust caller.
9281 2006-08-22 Jan Hubicka <jh@suse.cz>
9283 Patch by Paolo Bonzini
9284 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
9287 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
9289 PR tree-optimization/28003
9290 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
9291 before grouping aliases.
9293 2006-08-22 Roger Sayle <roger@eyesopen.com>
9295 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
9296 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
9298 2006-08-21 Jason Merrill <jason@redhat.com>
9301 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
9302 wrapper. Loop to handle nested wrappers.
9303 (gimplify_bind_expr): Remove temp parameter.
9304 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
9305 and STATEMENT_LIST on the rhs.
9306 (gimplify_statement_list): Voidify the STATEMENT_LIST.
9307 (gimplify_expr): Pass pre_p to gimplify_statement_list.
9308 (gimplify_target_expr): Remove special BIND_EXPR handling.
9310 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
9312 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
9315 2006-08-21 Olivier Hainque <hainque@adacore.com>
9317 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
9318 Arrange for the temporary captures of components overlapping the lhs
9319 to happen before the lhs is possibly cleared.
9321 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
9323 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
9324 necessary places to pass the correct "number of registers" values
9327 2006-08-20 Jan Hubicka <jh@suse.cz>
9329 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
9330 (create_name_tags): Instead of quadratic checking use hashtable.
9331 * bitmap.h: Include hashtab.h.
9332 (bitmap_hash): Declare.
9333 * bitmap.c (bitmap_hash): New function.
9335 2006-08-20 Jan Hubicka <jh@suse.cz>
9337 PR rtl-optimization/28071
9338 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
9340 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
9341 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
9342 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
9343 cgraph_decide_inlining_incrementally): Update use of
9344 cgraph_check_inline_limits.
9345 * cgraph.c (edge_hash, edge_eq): New function.
9346 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
9347 cgraph_edge_remove_caller, cgraph_node_remove_callees,
9348 cgraph_remove_node): Maintain call site hash.
9349 * cgraph.h (struct cgraph_node): Add call_site_hash.
9350 (cgraph_set_call_stmt): New function.
9352 2006-08-20 Jan Hubicka <jh@suse.cz>
9354 PR rtl-optimization/28071
9355 * reload1.c (reg_has_output_reload): Turn into regset.
9356 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
9357 choose_reload_regs, emit_reload_insns): Update to new
9358 reg_has_output_reload.
9360 2006-08-20 Jan Hubicka <jh@suse.cz>
9363 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
9364 function body sizes.
9365 * cgraphunit.c (cgraph_analyze_function): Don't do so.
9367 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
9370 * tree.c (handle_dll_attribute): Return early if not a
9371 var or function decl.
9373 2006-08-18 Joseph Myers <joseph@codesourcery.com>
9376 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
9377 alignment of SPE vector types.
9379 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
9381 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
9383 2006-08-17 Jakub Jelinek <jakub@redhat.com>
9386 * cgraph.h (struct cgraph_node): Remove externally_visible
9388 * cgraphunit.c (process_function_and_variable_attributes): Set
9389 local.externally_visible rather than externally_visible.
9392 * c-common.c (handle_externally_visible_attribute): First look
9393 at TREE_CODE and only if it is function or var decl, check for
9394 non-public objects. Don't warn for DECL_EXTERNAL.
9395 * cgraphunit.c (process_function_and_variable_attributes): Warn
9396 if externally_visible attribute is used on non-public object.
9398 2006-08-17 Jan Hubicka <jh@suse.cz>
9400 PR tree-optimization/27865
9401 * reload1.c (forget_marked_reloads): New function.
9402 (forget_old_reloads_1): When data are passed, just mark the registers
9404 (reload_as_needed): Use the new mechanizm.
9406 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
9409 * reload.h (reg_equiv_alt_mem_list): New declaration.
9410 * reload1.c (reg_equiv_alt_mem_list): New definition.
9411 (reload): Initialize it and release it.
9412 (delete_output_reload): Use it.
9413 * reload.c (push_reg_equiv_alt_mem): New function.
9414 (find_reloads_toplev): Call it.
9415 (find_reloads_address, find_reloads_address_1): Likewise.
9416 (find_reloads_subreg_address): Likewise.
9418 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9420 PR rtl-optimization/28489
9421 * sched-ebb.c (begin_schedule_ready): Create basic block
9423 (advance_target_bb): Skip empty blocks.
9424 * haifa-sched.c (bb_note): Make global.
9425 * sched-int.h (bb_note): Add prototype.
9427 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9429 PR tree-optimization/27865
9430 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
9432 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
9433 fold_used_pointer, pointer_used_p): New functions.
9434 (analyze_scalar_evolution_1): Use fold_used_pointer.
9435 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
9436 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
9439 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
9442 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
9443 or the INTEGER_CST. Fail on a CALL_EXPR.
9444 (fold_offsetof): Pass new argument to fold_offsetof_1.
9445 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
9446 operand into an INDIRECT_REF.
9447 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
9449 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9451 PR gcov/profile/26570
9452 * value-prof.c (static_values): Removed.
9453 (tree_find_values_to_profile): Do not set static_values.
9454 (find_values_to_profile): Do not free static_values.
9455 * profile.c (instrument_values): Do not free the values.
9456 (branch_prob): Free the values.
9458 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
9460 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
9462 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
9465 * c-typeck.c (build_component_ref): Combine qualifiers of
9466 structure or union and field.
9468 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9470 PR rtl-optimization/28071
9471 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
9472 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
9473 * tree-into-ssa.c (struct dom_dfsnum): New.
9474 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
9476 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
9477 compute_global_livein.
9478 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
9479 in phi nodes in the correct blocks.
9481 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
9483 PR tree-optimization/28364
9484 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
9486 (fold_affine_expr): New function.
9487 (may_eliminate_iv): Use fold_affine_expr.
9489 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9492 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
9495 2006-08-16 Mike Stump <mrs@apple.com>
9497 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
9498 * doc/cppopts.texi (-MD): Likewise.
9500 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
9503 * c-common.c (handle_weak_attribute): Ignore and warn if
9504 not a FUNCTION_ or VAR_DECL.
9506 2006-07-15 Mike Stump <mrs@apple.com>
9509 * c-parser.c (c_parser_typeof_specifier): Don't use
9510 c_finish_expr_stmt, open code desired semantics instead.
9512 2006-08-15 Nick Clifton <nickc@redhat.com>
9514 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
9515 fragment to tmake_file only if threads are enabled.
9516 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
9517 * config/i386/t-gthr-win32: New file. ... here.
9519 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9522 * c-parser.c (c_parser_compound_statement_nostart): Reset
9523 parser->error after each statement.
9525 2006-08-15 Jakub Jelinek <jakub@redhat.com>
9528 * omp-low.c (lower_omp_parallel): Convert t to
9529 receiver_decl's type.
9530 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
9531 source before comparison.
9534 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
9535 to itype in assignment to oldival2.
9537 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
9541 * c-typeck.c (build_compound_expr): If the second expression
9542 is an error mark, then just return an error mark instead of
9543 creating a COMPOUND_EXPR.
9545 2006-07-14 Mike Stump <mrs@apple.com>
9547 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
9549 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
9551 * c-decl.c, var-tracking.c: Fix comment typos.
9553 2006-08-14 Richard Sandiford <richard@codesourcery.com>
9555 PR rtl-optimization/28634
9556 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
9557 for floating-point modes unless flag_unsafe_math_optimizations.
9559 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
9560 Andrew Pinski <pinskia@physics.uc.edu>
9563 * tree.c (build_array_type): Unify array types with
9564 unspecified index_type.
9565 * c-decl.c (grokdeclarator): Make sure we do not modify a
9566 unified incomplete array type.
9567 * c-typeck.c (store_init_value): Create distinct type before
9568 filling in the index type in an initializer from a compound
9571 * c-decl.c (grokdeclarator): Remove code where we copy the
9574 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
9576 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
9577 into account for TODO_dump_cgraph.
9578 (TODO_update_ssa_no_phi): Likewise.
9579 (TODO_update_ssa_full_phi): Likewise.
9580 (TODO_update_ssa_only_virtuals): Likewise.
9581 (TODO_remove_unused_locals): Likewise.
9582 (TODO_set_props): Likewise.
9583 (TODO_update_stmt_usage): Likewise.
9585 2006-08-13 Dirk Mueller <dmueller@suse.de>
9587 * c-common.c (strict_aliasing_warning): Fix formatting.
9589 2006-08-13 Matthias Klose <doko@debian.org>
9591 * doc/invoke.texi: Fix spelling errors.
9593 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
9595 PR rtl-optimization/23454
9596 * reorg.c (relax_delay_slots): Update comment.
9598 2006-08-11 Richard Guenther <rguenther@suse.de>
9601 * simplify-rtx.c (simplify_const_relational_operation):
9602 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
9605 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
9607 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
9608 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
9610 2006-08-10 Paul Brook <paul@codesourcery.com>
9612 * final.c (final_scan_insn): Clear current_insn_predicate before
9613 outputting inline asm.
9615 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
9617 PR tree-optimization/26197
9618 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
9619 get_ref_base_and_extent and overlap_subvar to add only relevant
9620 subvars as may-aliases.
9621 (add_may_alias_for_new_tag): New function, factored out of
9623 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
9624 with additional argument.
9625 * tree-flow.h (new_type_alias): Takes additional argument.
9627 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
9629 * gcov.c (no_data_file): New flag.
9630 (read_count_file): Set it if data file not present. Assume counts
9632 (output_lines): Don't name the data file, if there wasn't one.
9634 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
9636 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
9637 (rs6000_generate_compare): Tweak comments.
9638 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
9640 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
9642 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
9643 (var_debug_decl): New function.
9644 (var_reg_set): Follow debug decl link. Add location even if
9645 reg is already known to hold some other variable.
9646 (var_mem_set): Follow debug decl link.
9647 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
9648 decl link. Delete other known locations of the variable part
9650 (var_reg_delete, var_mem_delete): Delete other known locations
9651 of the variable part if requested.
9652 (same_variable_part_p): New function.
9653 (add_stores): Select MO_COPY when appropriate.
9654 (vt_initialize): Handle it.
9655 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
9656 known locations for MO_SET and MO_CLOBBER.
9657 (find_variable_location_part): New function.
9658 (set_variable_part, delete_variable_part): Use it.
9659 (clobber_variable_part): New function.
9660 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
9663 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
9665 PR tree-optimization/26969
9666 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
9667 with an empty list of PHIs.
9669 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
9673 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
9676 2006-08-06 Andreas Schwab <schwab@suse.de>
9678 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
9679 string. Whitespace and comment fixup.
9681 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9684 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
9688 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
9691 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
9693 2006-08-04 Jan Hubicka <jh@suse.cz>
9697 * reload.c (push_reload): Patch out the mismatching instruction;
9699 (find_reload): Bail out if the instruction was patched out.
9701 2006-08-04 Jan Hubicka <jh@suse.cz>
9703 PR tree-optimization/24888
9704 * tree-inline.c (expand_call_inline): Do not re-record variables.
9705 (declare_inline_vars): Add variable to unexpanded_var_list.
9707 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9708 Roger Sayle <roger@eyesopen.com>
9710 PR rtl-optimization/26244
9711 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
9712 inner_const are negative or greater than or equal to the bitsize of
9713 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
9714 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
9715 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
9716 CONST0_RTX (mode) when the new shift count is greater than or equal to
9717 to the bitsize of the object being shifted and XEXP (y, 0) has no side
9720 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
9722 * tree-cfg.c: Fix a comment typo.
9724 2006-08-03 Mark Mitchell <mark@codesourcery.com>
9727 * varasm.c (output_constant): Give the front end another chance to
9728 expand constants, after stripping NOPs.
9730 2006-08-03 Jan Hubicka <jh@suse.cz>
9732 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
9735 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
9737 PR tree-optimization/27770
9738 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
9739 declaration removed (moved to tree-flow.h).
9740 (vect_can_force_dr_alignment_p): Likewise.
9741 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
9742 (moved from tree-vectorizer.h).
9743 (vect_can_force_dr_alignment_p): Likewise.
9744 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
9745 from outside the vectorizer - in particular from cgraph stage.
9746 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
9747 the alignment of global arrays when -fsection-anchors is enabled.
9748 * cgraphunit.c (cgraph_increase_alignment): New function.
9749 (cgraph_optimize): Call cgraph_increase_alignment.
9751 2006-08-03 David Edelsohn <edelsohn@gnu.org>
9754 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
9755 not reload a SPE symbol_ref into a lo_sum address.
9757 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
9760 * dwarf2out.c (prune_unused_types_prune): Move call to
9761 prune_unused_types_update_strings to cover the parent DIE also.
9763 2006-08-02 Jan Hubicka <jh@suse.cz>
9765 PR gcov/profile/28480
9766 * tree-cfg.c (change_bb_for_stmt): New function.
9767 (tree_merge_blocks, tree_split_blocks): Use it.
9769 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9775 * toplev.c (compile_file): Return early on errorcount or sorrycount.
9776 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
9777 (cgraph_optimize): Likewise.
9779 2006-08-01 Stuart Hastings <stuart@apple.com>
9781 * rtl.h (UINTVAL) New.
9782 * config/rs6000/rs6000.c (SMALL_INT) Use it.
9783 * testsuite/gcc.dg/20060801-1.c: New.
9785 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
9788 * c-typeck.c (build_external_type): Mark used enum types.
9789 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
9791 (gen_subprogram_die): Whitespace fix.
9793 2006-08-01 Jan Hubicka <jh@suse.cz>
9795 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
9796 bitmap when not needed.
9797 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
9800 2006-08-01 Dirk Mueller <dmueller@suse.de>
9802 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
9804 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9806 * Makefile.in: Revert part of previous patch:
9807 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
9810 2006-07-30 Eric Christopher <echristo@apple.com>
9813 * doc/extend.texi (i386 Variable Attributes): Add anchor.
9814 (PowerPC Variable Attributes): New section.
9816 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
9818 PR target/28126 (partial fix)
9819 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
9821 2006-07-28 Jan Hubicka <jh@suse.cz>
9823 PR rtl-optimization/28071
9824 * cfgrtl.c (rtl_delete_block): Free regsets.
9825 * flow.c (allocate_bb_life_data): Re-use regsets if available.
9827 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9829 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
9830 and variables used in dependencies.
9832 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
9834 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
9835 %fs for -mcmodel=kernel.
9836 (stack_tls_protect_test_di): Likewise.
9838 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
9840 * Makefile.in: Use mkinstalldirs.
9842 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
9845 * opts-common.c (prune_options): Skip joined switches.
9847 2006-07-27 Jan Hubicka <jh@suse.cz>
9849 PR rtl-optimization/28071
9850 * cselib.c (cselib_process_insn): Don't remove useless values too
9851 often for very large hashtables.
9853 2006-07-27 Jan Hubicka <jh@suse.cz>
9855 PR rtl-optimization/28071
9856 * global.c (greg_obstack): New obstack.
9857 (allocate_bb_info): Use it.
9858 (free_bb_info): Likewise.
9859 (modify_reg_pav): Likewise.
9861 2006-07-27 Roger Sayle <roger@eyesopen.com>
9863 * builtins.c (fold_fixed_mathfn): When long and long long are the
9864 same size, canonicalize llceil*, llfloor*, llround* and llrint*
9865 functions to their lceil*, lfloor*, lround* and lrint* forms.
9867 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9870 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
9872 (rev_branch_insn): Likewise.
9874 2006-07-27 Jan Hubicka <jh@suse.cz>
9876 PR rtl-optimization/28071
9877 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
9878 (reg_set_in_bb, max_reg_computed): New static variables.
9879 (regmove_optimize): Free the new array.
9880 (fixup_match_1): Update call of reg_is_remote_constant_p.
9882 2006-07-26 Jan Hubicka <jh@suse.cz>
9884 PR tree-optimization/27882
9885 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
9887 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
9889 (cgraph_analyze_compilation_unit): Likewise.
9890 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
9891 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
9892 (cgraph_early_inlinine): Make order garbage collected.
9893 * Makefile.in (gt-ipa-inline): New garbagecollected file.
9895 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9897 * dbxout.c (output_types_sort): Add a comment.
9898 (output_used_types): Free the VEC.
9900 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
9902 * function.c (reorder_fix_fragments): Delete.
9903 (reorder_blocks): Don't call it.
9904 (reorder_blocks_1): Put all subblocks under the origin block.
9906 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
9908 PR rtl-optimization/27907
9909 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
9912 2006-07-25 Roger Sayle <roger@eyesopen.com>
9915 * convert.c (convert_to_integer): When transforming (T)foo(x) into
9916 bar(x) check that bar's result type can represent all the values of T.
9918 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
9920 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
9922 2006-07-25 Nick Clifton <nickc@redhat.com>
9924 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
9925 size_lookup[] array.
9926 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
9927 (ggc_pch_count_object): Likewise.
9928 (ggc_pch_alloc_object): Likewise.
9929 (ggc_pch_write_object): Likewise.
9930 (init_ggc): Do not attempt to initialize entries in the
9931 size_lookup[] array for objects whose size is greater than than
9932 the length of the array.
9934 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
9936 * dbxout.c (output_used_types_helper): Push queued types
9938 (output_types_sort): New.
9939 (output_used_types): Collect used types on a VEC and sort them
9942 2006-07-24 Richard Guenther <rguenther@suse.de>
9945 * cgraph.c (cgraph_remove_node): Do not check if dumps
9947 * cgraphunit.c (cgraph_optimize): Likewise.
9949 2006-07-24 Jan Hubicka <jh@suse.cz>
9951 PR rtl-optimization/28071
9952 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
9953 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
9954 splitting before first stmt.
9956 2006-07-24 Jan Hubicka <jh@suse.cz>
9958 PR rtl-optimization/28071
9959 * ipa-inline.c (update_caller_keys): Remove edges that
9960 are no longer inline candidates.
9962 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
9965 * dbxout.c (output_used_types_helper, output_used_types): New.
9966 (dbxout_symbol): Call output_used_types.
9968 2006-07-23 Jan Hubicka <jh@suse.cz>
9972 * cgraph.c (cgraph_varpool_nodes): Export.
9973 (decide_is_variable_needed): Ignored "used" attribute in
9974 unit-at-a-time mode.
9975 * cgraph.h (cgraph_varpool_nodes): Declare.
9976 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
9977 unit-at-a-time mode.
9979 2006-07-23 Roger Sayle <roger@eyesopen.com>
9982 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
9983 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
9984 the __gthrw form of thr_keycreate.
9985 (__gthread_key_delete): Silence the unused argument warning.
9987 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
9990 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
9991 Cache the last found '\0' marker to avoid quadratic behavior.
9993 2006-07-23 Jan Hubicka <jh@suse.cz>
9995 * i386.md (subsi_3_zext): Fix output template.
9997 2006-07-21 Mike Stump <mrs@apple.com>
9999 * doc/invoke.texi (C++ Dialect Options): Note that
10000 -fvisibility-inlines-hidden doesn't affect explicitly
10001 instantiationed inline methods.
10003 2006-07-20 Roger Sayle <roger@eyesopen.com>
10005 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
10006 if the target assembler is GNU binutils' gas.
10007 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
10008 whether to pass GNU gas or native as command line options.
10010 2006-07-20 Jason Merrill <jason@redhat.com>
10012 * tree.c (remove_attribute): New fn.
10013 * tree.h: Declare it.
10015 2006-07-20 Paul Brook <paul@codesourcery.com>
10018 * cse.c (cse_insn): Add destination addresses to hash table. Check if
10019 they are invalidated by this instruction.
10021 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
10024 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
10026 2006-07-20 Eric Christopher <echristo@apple.com>
10029 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
10031 2006-07-19 Eric Christopher <echristo@apple.com>
10033 * config/t-slibgcc-darwin (stmp-lipo): Remove.
10034 Rewrite dependencies for libgcc_s.1.dylib.
10036 2006-07-19 Jakub Jelinek <jakub@redhat.com>
10038 * except.c (duplicate_eh_regions_1): Clear next_peer.
10040 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
10042 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
10043 -mlongcall does not guarantee all calls will be long.
10044 * doc/extend.texi (long_call/short_call): Document that longcall
10045 does not guarantee a long call will be used.
10046 (longcall/shortcall): Likewise.
10048 2006-07-18 Roger Sayle <roger@eyesopen.com>
10050 PR middle-end/28283
10051 * expmed.c (expand_shift): Additionally check that the shift_cost
10052 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
10053 before implementing a LSHIFT_EXPR as a sequence of additions.
10054 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
10055 middle-end that DImode shifts need to be synthesized by expand.
10057 2006-07-18 Diego Novillo <dnovillo@redhat.com>
10060 * tree-ssa-operands.c (access_can_touch_variable): Update
10062 Return true if ALIAS is .GLOBAL_VAR.
10064 2006-07-18 David Daney <ddaney@avtrex.com>
10066 * gcc.c (display_help): Fix typo in help text.
10068 2006-07-18 Olivier Hainque <hainque@adacore.com>
10070 * tree.h (categorize_ctor_elements): Adjust prototype and add
10071 descriptive comment, both in accordance with the interface change
10073 * varasm.c (constructor_static_from_elts_p): New function.
10074 Whether a constructor node is a valid static constant initializer
10075 if all its elements are.
10076 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
10077 * output.h: Declare it.
10078 * expr.c (categorize_ctor_elements_1): Return whether the constructor
10079 is a valid constant initializer instead of computing the number of
10080 non-constant elements. Use constructor_static_from_elts_p for this
10081 purpose. Replace the head comment with an indication that this is a
10082 helper for categorize_ctor_elements.
10083 (categorize_ctor_elements): Same interface change as for the _1
10084 helper. Former head comment from this helper moved here, adjusted to
10085 account for the interface changes.
10086 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
10087 (all_zeros_p): Likewise.
10088 * gimplify.c (gimplify_init_constructor): Decide whether we can make
10089 static versions of the constructor from the categorize_ctor_elements
10090 return value instead of the formerly computed number of non-constant
10093 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
10095 * configure: Regenerate.
10096 * Makefile.in (build_libsubdir): New configure substitution
10097 (build_libobjdir): New variable.
10098 (BUILD_LIBIBERTY): Use it.
10100 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10103 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
10105 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
10108 * c-common.c (handle_weakref_attribute): Ignore attribute in
10109 the same conditions the alias attribute is ignored.
10111 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
10113 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
10114 (dbxout_begin_prologue): Increment scope_labelno.
10116 2006-07-17 Richard Henderson <rth@redhat.com>
10119 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
10122 2006-07-17 Roger Sayle <roger@eyesopen.com>
10123 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10125 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
10126 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
10127 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
10128 functions such as sbrk, write, etc.. Add function prototypes.
10129 Convert function declarations from K&R to ISO C. Cast pointers
10130 to "long" and "unsigned long" instead of "int" and "unsigned int".
10131 Convert tokens following #endif into comments.
10133 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
10135 * invoke.texi: Remove mention of f77; Reformat table for
10136 inline parameter options correctly; mention that -malign-double
10137 is default on x86-64 targets.
10139 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
10141 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
10142 (convert_affine_scev, chrec_convert_aggressive): Use
10143 avoid_arithmetics_in_type_p. Do not check for the subtypes
10146 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10148 PR middle-end/28403
10149 * optabs.c (expand_doubleword_shift): Wrap the call to
10150 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
10152 2006-07-17 Richard Sandiford <richard@codesourcery.com>
10154 PR middle-end/28402
10155 * optabs.c (expand_binop): Pass next_methods rather than methods
10156 to expand_doubleword_shift.
10158 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
10161 * tree.h (dump_addr): Declare.
10162 * print-tree.c (dump_addr): New function.
10163 (print_node_brief, print_node): Use it.
10164 * print-rtl.c (print_rtx): Likewise.
10165 * common.opt (-fdump-noaddr): New option.
10166 * doc/invoke.texi (-fdump-noaddr): Document.
10167 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
10168 (ve_info_hash): Likewise.
10170 2006-07-13 Andrew Haley <aph@redhat.com>
10172 PR tree-optimization/19505
10173 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
10174 edge leaving this block, make sure that the destination of this
10175 block has only one predecessor.
10177 2006-07-17 Richard Guenther <rguenther@suse.de>
10179 PR tree-optimization/28238
10180 * tree-inline.c (copy_bb): Check if we produced valid
10181 gimple copying and substituting a stmt. If not, gimplify
10184 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
10186 * optabs.c (maybe_encapsulate_block): New function extracted from...
10187 (emit_libcall_block): ...here. Invoke it on the block of insns to
10188 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
10189 (emit_no_conflict_block): Likewise.
10191 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10193 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
10195 2006-07-15 Roger Sayle <roger@eyesopen.com>
10197 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
10198 a new NOP_EXPR case of the switch statement.
10200 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
10202 PR middle-end/28160
10203 * stor-layout.c (place_field): Take the bit field with
10204 an excessive size into account in the ms-bitfiled case.
10206 PR middle-end/28161
10207 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
10208 the previous bit field.
10210 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
10213 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
10215 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
10217 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
10218 signal frames correctly even when the signal was installed with
10221 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
10223 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
10224 (dbxout_function_end): Use local label LFBB. Remove hook
10226 (dbxout_source_line): Use local label LFBB.
10227 (dbxout_block): Likewise.
10228 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
10229 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
10230 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
10231 and DBX_OUTPUT_NFUN.
10233 2006-07-13 Janis Johnson <janis187@us.ibm.com>
10235 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
10237 2006-07-13 Jan Hubicka <jh@suse.cz>
10239 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
10241 * output.h (align_variable): Declare.
10242 * varasm.c (align_variable): Export.
10243 * value-prof.c (tree_value_profile_transformations): Recompute iterator
10244 when basic block changed.
10246 2006-07-13 Nick Clifton <nickc@redhat.com>
10248 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
10249 walking the LOG_LINKS chain.
10251 2006-07-12 Geoffrey Keating <geoffk@apple.com>
10253 * doc/invoke.texi (C++ Dialect Options): Explain difference
10254 between -fvisibility-inlines-hidden and setting hidden
10255 visibility explicitly.
10257 2006-07-12 Eric Christopher <echristo@apple.com>
10259 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
10260 (stmp-lipo): Depend on libgcc.a.
10262 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
10264 * tree.c: Fix a comment typo.
10266 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
10268 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
10270 (umulhisi3_r): Likewise.
10272 2006-07-12 Paolo Carlini <pcarlini@suse.de>
10275 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
10276 x < 19, vs wchar_t support.
10278 2006-07-12 Nick Clifton <nickc@redhat.com>
10280 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
10281 instead of -isa=sh4.
10283 2006-07-12 Mike Stump <mrs@apple.com>
10285 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
10287 2006-07-10 Eric Christopher <echristo@apple.com>
10289 * config/t-slibgcc-darwin: Rewrite.
10291 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
10294 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
10297 2006-07-08 Matthias Klose <doko@debian.org>
10299 * doc/sourcebuild.texi: Fix typo.
10301 2006-07-07 Mike Stump <mrs@apple.com>
10303 * toplev.c (process_options): Don't give -ffunction-sections may
10304 affect debugging warning for Mach-O.
10306 2006-07-07 James E Wilson <wilson@specifix.com>
10308 * config/mips/mips.md (cpu): Add sb1a.
10309 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
10310 addition to sb1. Adjust comments to clarify SB-1A differences from
10312 (ir_sb1a_load): New. Modify bypasses to use it.
10313 (ir_sb1a_simple_alu): Likewise.
10314 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
10315 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
10316 (mips_issue_rate): Add PROCESSOR_SB1A.
10317 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
10318 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
10319 (TARGET_SB1): Add PROCESSOR_SB1A check.
10320 (TUNE_SB1): Likewise.
10322 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
10323 * config/mips/mips.c (mips_store_data_bypass_p): New.
10324 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
10325 store_data_bypass_p.
10327 2006-07-08 Paul Brook <paul@codesourcery.com>
10330 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
10332 2006-07-07 Richard Guenther <rguenther@suse.de>
10334 PR middle-end/28268
10335 * tree.h (build_one_cst): Declare.
10336 * tree.c (build_one_cst): New function.
10337 * tree-ssa-math-opts.c (get_constant_one): Remove.
10338 (insert_reciprocals): Use build_one_cst.
10339 * fold-const.c (fold_plusminus_mult): Likewise.
10341 2006-07-07 Roger Sayle <roger@eyesopen.com>
10343 * pointer-set.c (pointer_set_destroy): Correct whitespace.
10344 * cfgloopanal.c (dump_graph): Likewise.
10345 * dojump.c (discard_pending_stack_adjust): Likewise.
10346 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
10348 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
10349 * function.c (finalize_block_changes): Likewise.
10350 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
10351 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
10352 * rtl.c (dump_rtx_statistics): Likewise.
10353 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
10355 * varray.c (dump_varray_statistics): Likewise.
10356 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
10357 decode_decimal64, encode_decimal128, decode_decimal128,
10358 decimal_real_to_decimal): Likewise.
10360 2006-07-07 Richard Guenther <rguenther@suse.de>
10362 PR tree-optimization/28187
10363 * tree-vrp.c (vrp_operand_equal_p): New function.
10364 (vrp_bitmap_equal_p): Likewise.
10365 (update_value_range): Use them to compare old and new
10366 max and min values.
10368 2006-07-06 Roger Sayle <roger@eyesopen.com>
10370 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
10371 a default case to switch statement to silence compiler warnings.
10373 2006-07-06 Roger Sayle <roger@eyesopen.com>
10376 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
10377 the configured assembler supports the x87's ffreep mnemonic.
10378 * configure: Regenerate.
10379 * config.in: Regenerate.
10381 * config/i386/i386.c (output_387_ffreep): New function.
10382 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
10383 (output_387_reg_move): Likewise.
10385 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
10387 Port to hosts whose 'sort' and 'tail' implementations
10388 treat operands with leading '+' as file names, as POSIX
10389 has required since 2001. However, make sure the code still
10390 works on pre-POSIX hosts.
10391 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
10392 which says you should use "tail -c +N" rather than "tail +Nc".
10393 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
10395 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
10397 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
10400 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10403 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
10404 PRE_{INC,DEC} of TFmode.
10406 2006-07-06 David Edelsohn <edelsohn@gnu.org>
10407 Alan Modra <amodra@bigpond.net.au>
10410 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
10413 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10416 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
10417 Remove duplicate gtu.
10419 2006-07-05 Jason Merrill <jason@redhat.com>
10423 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
10424 * c-common.c (handle_packed_attribute): So don't copy it here.
10425 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
10427 2006-07-05 Mike Stump <mrs@apple.com>
10429 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
10431 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
10434 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
10436 2006-07-05 Richard Guenther <rguenther@suse.de>
10439 * config/i386/i386.md (*negdf2_1): Restrict pattern to
10440 TARGET_SSE2 targets if using SSE math.
10441 (*absdf2_1): Likewise.
10443 2006-07-05 Richard Guenther <rguenther@suse.de>
10445 PR tree-optimization/28162
10446 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
10447 make sure to convert the operands to the correct type.
10449 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
10451 PR tree-optimization/28218
10453 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
10454 to calculate and free the dominator information.
10456 2006-07-04 Peter O'Gorman <peter@pogma.com>
10458 * mklibgcc.in: chmod 644 before ranlib during install.
10460 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
10461 J"orn Rennecke <joern.rennecke@st.com>
10463 * configure.ac (.eh_frame data check): Use diff -b.
10465 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
10468 * Makefile.in (BUILD_RTL): Add build/vec.o.
10469 (build/gencondmd.o): Filter out -fkeep-inline-functions.
10470 (build/genextract): Delete.
10471 (build/genautomata): Likewise.
10473 2006-07-04 Alan Modra <amodra@bigpond.net.au>
10476 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
10477 128-bit IBM long doubles for ABI_V4.
10479 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
10481 * tree.c (range_in_array_bounds_p): New predicate.
10482 * tree.h (range_in_array_bounds_p): Declare it.
10483 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
10484 return a less conservative answer.
10485 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
10486 and flag 'is_group'.
10487 (IS_ELEMENT_FOR_GROUP): New macro.
10488 (FOR_EACH_ACTUAL_CHILD): Likewise.
10489 (next_child_for_group): New helper function.
10490 (can_completely_scalarize_p): Take into account groups.
10491 (sra_hash_tree): Handle RANGE_EXPR.
10492 (sra_elt_eq): Likewise.
10493 (lookup_element): Be prepared for handling groups.
10494 (is_valid_const_index): Delete.
10495 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
10496 instead of is_valid_const_index.
10497 <ARRAY_RANGE_REF>: New case.
10498 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
10499 is_valid_const_index.
10500 <ARRAY_RANGE_REF>: Do not unconditionally punt.
10501 (scan_dump): Dump info for groups too.
10502 (decide_instantiation_1): Likewise.
10503 (decide_block_copy): Assert that the element is not a group.
10504 Propagate decision to groups.
10505 (generate_one_element_ref): Handle RANGE_EXPR.
10506 (mark_no_warning): Iterate over actual childs.
10507 (generate_copy_inout): Likewise.
10508 (generate_element_copy): Likewise.
10509 (generate_element_zero): Likewise.
10510 (generate_element_init_1): Likewise.
10511 (dump_sra_elt_name): Handle RANGE_EXPR.
10513 2006-07-03 Roger Sayle <roger@eyesopen.com>
10515 PR tree-optimization/26251
10516 * tree-ssa-threadupdate.c (redirection_block_p): New function.
10517 (thread_block): When optimizing for size refuse to thread jumps
10518 that would require duplication of blocks other than redirection
10521 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10523 * configure.ac: Fix thinko in previous check-in.
10524 * configure: Regenerate.
10526 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
10529 * configure.ac (for lang...): Simplify nesting of conditionals.
10530 Test subdir_requires for non-enabled languages. Move processing
10531 of lang_opt_files and lang_tree_fiels below that test.
10532 * configure: Regenerate.
10533 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
10535 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
10537 * doc/gcov.texi (Invoking Gcov): Add a missing word.
10539 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
10541 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
10544 2006-06-29 Jason Merrill <jason@redhat.com>
10551 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
10552 * c-common.c (c_determine_visibility): Handle it here.
10553 * c-decl.c (finish_decl): Call c_determine_visibility for
10555 * flags.h (enum symbol_visibility): Sort from most to least visibility.
10556 * tree.h: Likewise.
10557 * varasm.c (default_assemble_visibility): Likewise.
10558 * c-common.c (handle_visibility_attribute): Complain about trying
10559 to give visibility to an already defined class, or trying to change
10560 declared visibility. Always attach the attribute.
10565 * attribs.c (decl_attributes): Ignore type-in-place attributes
10566 once the type has been defined.
10568 2006-06-29 Roger Sayle <roger@eyesopen.com>
10570 PR middle-end/27428
10571 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
10572 to indicate the cpplib has issued an error message for us.
10574 2006-06-29 Asher Langton <langton2@llnl.gov>
10577 * config/i386/i386.c (ix86_output_function_epilogue): Don't
10578 insert a label at the end of an function under Mach-O.
10580 2006-06-29 Eric Christopher <echristo@apple.com>
10581 Evan Cheng <evan.cheng@apple.com>
10583 * predicates.md (vector_all_ones_operand): New.
10584 (nonimmediate_or_sse_const_operand): Ditto.
10585 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
10586 * config/i386/i386.c (standard_sse_constant_opcode): Define.
10587 (standard_sse_mode_p): Ditto.
10588 (standard_sse_constant_p): Add case for -1 vector.
10589 (ix86_expand_vector_move): Try to use.
10590 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
10591 Call standard_sse_constant_opcode.
10592 (*movv4sf_internal): Ditto.
10593 (*movv2df_internal): Ditto.
10595 2006-06-29 Roger Sayle <roger@eyesopen.com>
10597 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
10598 of XEXP to extract the operands of a MATCH_CODE rtx.
10600 2006-06-28 Andrew Pinski <pinskia@gmail.com>
10602 * tree.c (tree_size): Do not waste tail padding in
10603 struct tree_string and make the size be the same as
10604 build_string will generate.
10606 2006-06-28 Jason Merrill <jason@redhat.com>
10609 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
10610 may_aliases already in the tag's annotations to the bitmap.
10612 2006-06-28 Roger Sayle <roger@eyesopen.com>
10614 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
10616 2006-06-28 Roger Sayle <roger@eyesopen.com>
10618 * genpreds.c (generate_switch_p): New function.
10619 (add_mode_tests): Push the new mode test down inside an AND expr
10620 if this allows the switch-suitable MATCH_CODE to be near the root.
10621 (write_match_code_switch): New function to write a MATCH_CODE as
10622 a switch statement.
10623 (write_predicate_stmts): New function to write a predicate RTX
10624 expression as a sequence of statements.
10625 (write_one_predicate_function): Use write_predicate_stmts.
10626 (write_tm_constrs_h): Likewise.
10628 2006-06-26 Fred Fish <fnf@specifix.com>
10630 * config/mips/t-sb1: New file.
10631 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
10634 2006-06-26 DJ Delorie <dj@redhat.com>
10636 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
10638 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
10639 Jayant Sonar <jayants@kpitcummins.com>
10640 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
10642 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
10643 (subsi3, subsi3_1, subsi3_2): New.
10644 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
10645 * config/m32c/mov.md (SI mov peephole): New.
10646 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
10647 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
10649 2006-06-26 Olivier Hainque <hainque@adacore.com>
10651 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
10652 a CALL_EXPR target function declaration.
10654 2006-06-26 Richard Guenther <rguenther@suse.de>
10656 * tree.c (build_string): Do not waste tail padding in
10657 struct tree_string.
10659 2006-06-26 Richard Guenther <rguenther@suse.de>
10661 * ggc-page.c (init_ggc): Add missing element to size_lookup
10665 2006-06-23 Richard Guenther <rguenther@suse.de>
10667 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10668 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10669 alignment requests instead. Add verification code.
10670 Add struct tree_function_decl and struct tree_binfo size to
10671 extra_order_size_table. Add missing element to size_lookup
10674 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
10676 PR middle-end/28151
10677 * fold-const.c (const_binop): Be prepared for self returning zero.
10678 Simplify code handling complex values.
10680 2006-06-24 Olivier Hainque <hainque@adacore.com>
10682 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
10683 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
10686 2006-06-24 Olivier Hainque <hainque@adacore.com>
10688 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
10689 ARRAY_REF, so have the callback called for the low bound expression.
10691 2006-06-23 Janis Johnson <janis187@us.ibm.com>
10693 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
10694 * c-typeck.c (c_common_type): Disallow operations on decimal float
10695 types and other float types.
10696 * convert.c (convert_to_real): Don't ignore conversions involving
10697 decimal float types.
10699 2006-06-23 Olivier Hainque <hainque@adacore.com>
10701 * tree.c (max_int_size_in_bytes): New function, inspired from
10702 code in function.c:assign_temp.
10703 * tree.h (max_int_size_in_bytes): Declare.
10704 * function.c (assign_temp): Use it.
10705 * gimplify.c (create_tmp_var): Relax the assertions on the type
10706 properties, not mandating constant size any more.
10707 (force_constant_size): New static function.
10708 (gimple_add_tmp_var): Use it, forcing variable size to a
10709 constant upper bound if it is not constant on entry.
10711 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
10714 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
10715 for initialization and setting of one_only flag to ...
10716 (i386_pe_encode_section_info): ...here.
10717 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
10718 Recheck that the symbol has not been defined.
10720 2006-06-23 Richard Guenther <rguenther@suse.de>
10722 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
10723 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
10724 alignment requests instead. Add verification code.
10725 Add struct tree_function_decl and struct tree_binfo size to
10726 extra_order_size_table. Add missing element to size_lookup
10729 2006-06-22 Roger Sayle <roger@eyesopen.com>
10730 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10732 PR middle-end/28131
10733 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
10734 call to lang_hooks.types.type_for_mode returned NULL_TREE.
10736 2006-06-23 Ben Elliston <bje@au.ibm.com>
10738 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
10739 negate dn -- manipulate it directly.
10741 2006-06-22 Roger Sayle <roger@eyesopen.com>
10742 Steven Bosscher <stevenb.gcc@gmail.com>
10745 * reload1.c (gen_reload): Call mark_jump_label on the new insns
10746 generated by gen_move_insn to add REG_LABEL notes if necessary.
10748 2006-06-22 Bob Wilson <bob.wilson@acm.org>
10750 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
10751 (leaf_entry): Remove use of MIN_ESA.
10753 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
10755 PR rtl-optimization/28121
10756 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
10759 2006-06-21 DJ Delorie <dj@redhat.com>
10761 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
10763 (mulhisi3_r): Likewise.
10765 2006-06-21 Richard Sandiford <richard@codesourcery.com>
10767 PR middle-end/28034
10768 * coverage.c (coverage_counter_alloc): Leave the index type
10770 (coverage_counter_alloc): Use null arguments for operands 2 and 3
10773 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
10775 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
10776 section from the "Options for Code Generation Conventions".
10778 2006-06-21 Richard Henderson <rth@redhat.com>
10782 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
10784 (global_symbolic_operand): Allow weak symbols, even if local_p.
10786 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
10788 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
10789 (find_interesting_uses_address): Punt if above function returns true.
10791 2006-06-21 Richard Guenther <rguenther@suse.de>
10793 * configure: Regenerated.
10795 2006-06-21 Joseph Myers <joseph@codesourcery.com>
10797 * config/mips/mips.c (function_arg): Where one part of a
10798 complex argument is in registers and the other part in the stack,
10799 return a REG not a PARALLEL.
10801 2006-06-21 Mark Mitchell <mark@codesourcery.com>
10803 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
10804 when cross-compiling. Do not substitute libstdcxx_incdir.
10805 * configure: Regenerated.
10807 2006-06-21 Jakub Jelinek <jakub@redhat.com>
10809 * varasm.c (mergeable_string_section): Check for embedded NULs and
10810 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
10811 rather than TREE_STRING_LENGTH bytes.
10813 2006-06-21 Richard Guenther <rguenther@suse.de>
10815 * ggc-page.c (extra_order_size_table): Add var_ann_d,
10816 tree_ssa_name, bitmap_element and phi_node with 4 arguments
10819 2006-06-21 Richrad Guenther <rguenther@suse.de>
10821 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
10822 Limit iteration over the dominators.
10824 2006-06-20 Roger Sayle <roger@eyesopen.com>
10826 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
10827 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
10829 2006-06-20 Richard Guenther <rguenther@suse.de>
10830 Michael Matz <matz@suse.de>
10832 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
10834 * alloc-pool.c (free_alloc_pool_if_empty): New function.
10835 * et-forest.h (et_free_pools): Prototype new function.
10836 * et-forest.c (et_free_tree_force): Free parent occurrence.
10837 (et_free_pools): New function.
10838 * dominance.c (free_dominance_info): Free et-forest alloc
10841 2006-06-20 Roger Sayle <roger@eyesopen.com>
10843 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
10844 integer modes, attempt to directly construct an integer constant.
10846 * fold-const.c (native_encode_vector): Determine the size of each
10847 element from the vector type instead of the first vector element.
10849 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
10850 if all of its elements/components are constant.
10851 (build_constructor_from_list): Likewise.
10853 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
10855 PR tree-optimization/27331
10856 * tree-data-ref.c (free_data_ref): New function.
10857 (create_data_ref): Fail if the data reference has unknown access
10859 (free_data_refs): Use free_data_ref.
10861 2006-06-19 Andrew Pinski <pinskia@gmail.com>
10863 PR middle-end/28075
10864 * tree-inline.c (setup_one_parameter): Strip useless
10865 type conversion before adding it to the IR.
10866 (declare_return_variable): Likewise.
10868 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
10871 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
10873 2006-06-19 Mike Stump <mrs@apple.com>
10875 * tree.c (variably_modified_type_p): VM arguments don't make the
10878 2006-06-19 Richard Guenther <rguenther@suse.de>
10880 * tree-ssa-pre.c (try_combine_conversion): Strip useless
10881 type conversions after folding.
10883 2006-06-19 Richard Guenther <rguenther@suse.de>
10885 * ggc-page.c (extra_order_size_tab): Add entries with
10886 size of struct function and basic_block.
10887 (size_lookup): Extend to cover sizes up to 511.
10888 (ggc_alloc_stat): Adjust user.
10889 (ggc_pch_count_object): Likewise.
10890 (ggc_pch_alloc_object): Likewise.
10891 (ggc_pch_write_object): Likewise.
10893 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
10895 * tree-ssa-loop-niter.c (implies_ge_p): New function.
10896 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
10899 2006-06-19 Denis Chertykov <denisc@overta.ru>
10901 * config/avr/libgcc.S : Correct my wrong previous commit.
10903 2006-06-19 Roger Sayle <roger@eyesopen.com>
10906 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
10907 have stripped a SUBREG from the shift count, so we may need to
10908 convert_to_mode back to the type's mode before calling make_tree.
10909 Use new_amount instead of amount to avoid expanding a tree twice.
10911 2006-06-19 Richard Guenther <rguenther@suse.de>
10913 PR middle-end/28045
10914 * fold-const.c (operand_equal_p): Check if the argument types
10915 have the same precision before stripping NOPs.
10917 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
10919 Fix PR tree-optimization/27341
10920 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
10922 * tree-complex.c (pass_lower_complex): Update SMT usage.
10924 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
10926 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
10927 Add a new alternative to the constraint strings. Add move of
10928 operand 1 to 3 to the splitter definition.
10929 ("doloop_si_long"): Second contraint alternative removed.
10931 2006-06-08 Anatoly Sokolov <aesok@post.ru>
10933 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
10934 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
10936 (AVR_HAVE_MOVW) Define.
10937 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
10938 (ASM_SPEC): Add avr25.
10939 (LINK_SPEC): Add avr25.
10940 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
10941 (base_arch_s): Add new member 'have_movw_lpmx'.
10942 (avr_arch_types): Init 'have_movw_lpmx'.
10943 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
10944 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
10945 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
10946 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
10947 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
10949 (avr_file_start): Do not output '.arh' derective.
10950 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
10951 (__do_copy_data): Use __AVR_HAVE_LPMX__.
10952 * config/avr/avr.md (mcu_enhanced): Delete.
10953 (mcu_have_movw): Define.
10954 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
10955 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
10956 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
10957 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
10958 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
10959 attiny861 and at86rf401 devices.
10961 2006-06-18 Jie Zhang <jie.zhang@analog.com>
10963 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
10966 2006-06-17 Karl Berry <karl@gnu.org>
10968 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
10969 doc/gccint.texi, doc/install.texi (@dircategory): Use
10970 "Software development" instead of "Programming", following
10971 the Free Software Directory.
10973 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
10975 * config/i386/i386.c (legitimate_tls_address)
10976 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
10977 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
10978 (*tls_dynamic_gnu2_combine_64): Likewise.
10980 2006-06-16 Richard Guenther <rguenther@suse.de>
10982 PR middle-end/27116
10983 * fold-const.c (negate_expr_p): Do not introduce undefined
10984 overflow in negating INTEGER_CSTs.
10985 (fold_negate_expr): Rename from negate_expr. Revert last
10986 change for folding BIT_NOT_EXPR. Change semantics to
10987 return NULL_TREE for non-simplified negations. Do not
10988 strip type conversions and unify type handling.
10989 (negate_expr): New function, wrap around fold_negate_expr
10990 but ensure building a tree always. Strip type conversions
10991 here, fold to result type.
10992 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
10994 2006-06-16 Roger Sayle <roger@eyesopen.com>
10996 PR middle-end/27802
10997 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
10998 that (would) return their results in stack registers.
11000 2006-06-16 Michael Matz <matz@suse.de>
11001 Richard Guenther <rguenther@suse.de>
11003 * fold-const.c (fold_truthop): Only return new tree node if
11004 we canonicalized something.
11006 2006-06-16 Richard Guenther <rguenther@suse.de>
11008 * function.h (enum function_frequency): Move declaration
11009 out of struct function.
11010 (struct function): Move bool fields and the enum to the bitfield
11011 section. Reorder elements to avoid padding. Remove unused
11012 fields left over from the RTL inliner removal.
11013 * function.c (free_after_compilation): Do not zero removed fields.
11014 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
11015 (ipa-type-escape.o): Likewise.
11017 2006-06-16 Richard Guenther <rguenther@suse.de>
11019 * cgraph.h (struct cgraph_local_info): Turn bool elements
11021 (struct cgraph_node): Likewise.
11022 (struct cgraph_varpool_node): Likewise.
11024 2006-06-15 Richard Guenther <rguenther@suse.de>
11026 * fold-const.c (fold_truth_not_expr): Rename from
11027 invert_truthvalue. Give it fold_* semantics to avoid
11028 generating garbage.
11029 (invert_truthvalue): New function. Wrapper around
11030 fold_truth_not_expr.
11031 (optimize_minmax_comparison): Avoid creating garbage.
11032 (fold_unary): Use fold_truth_not_expr for folding
11034 (fold_ternary): Replace uses of invert_truthvalue with
11035 fold_truth_not_expr where applicable.
11036 * tree.h (fold_truth_not_expr): Prototype.
11038 2006-06-16 Richard Guenther <rguenther@suse.de>
11040 PR tree-optimization/27781
11041 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
11042 * ipa-pure-const.c (target.h): Include.
11043 (analyze_function): Do not analyze functions that do not
11046 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
11048 PR middle-end/27793
11049 * tree-dfa.c (referenced_vars_dup_list): Remove.
11050 (find_referenced_vars): Remove assert.
11051 (referenced_var_check_and_insert): Replace dup list with assert.
11052 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
11053 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
11055 2006-06-15 Richard Guenther <rguenther@suse.de>
11057 * tree-ssa-structalias.c (alias_get_name): Avoid creating
11058 extra unused identifiers if not dumping.
11059 (create_variable_info_for): Likewise.
11061 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
11063 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
11064 (derive_constant_upper_bound): Derive more precise upper bound in
11065 common cases. Return type changed to double_int.
11066 (record_estimate): Reflect the changed return type of
11067 derive_constant_upper_bound.
11068 * double-int.c (double_int_zext, double_int_sext): Fix.
11070 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
11072 * configure.ac (CFLAGS): Get them from the toplevel or from the
11073 configure invocation.
11074 * configure: Regenerate.
11075 * Makefile.in (CFLAGS): Substitute value provided by configure.
11077 2006-06-14 Mark Mitchell <mark@codesourcery.com>
11080 * c-common.h (c_finish_omp_atomic): Adjust declaration.
11081 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
11082 rather than calling add_stmt on it.
11083 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
11085 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
11087 PR middle-end/27959
11088 * reload1.c (reload): Remove registers returned by update_eliminables
11089 from used_spill_regs.
11091 2006-06-13 DJ Delorie <dj@redhat.com>
11093 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
11095 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
11097 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
11098 html__strip_dir, html__mkdir_p. Enhance install-html target.
11099 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
11100 * configure: Regenerate.
11102 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
11104 * fold-const.c (fold_cond_expr_with_comparison): Check for
11105 Objective-C++ as language in deciding COND_EXPR transformation.
11107 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
11110 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
11111 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
11112 * config/sh/lib1funcs.h (SL, SL1): Define.
11113 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
11114 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
11115 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
11116 (OBJS_Os_4_200): New variable.
11117 ($(T)libgcc-Os-4-200.a): Use it.
11118 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
11119 when dividing 1 and/or by 0.
11121 2006-06-13 Roger Sayle <roger@eyesopen.com>
11123 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
11124 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
11125 * configure: Regenerate.
11127 2006-06-13 Jie Zhang <jie.zhang@analog.com>
11129 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
11130 for real instruction.
11132 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11134 PR middle-end/26807
11135 * haifa-sched.c (check_cfg): Handle special case.
11137 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
11140 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
11141 Add debug_info parameter. Chain the vars to the BLOCK instead
11142 of the BIND_EXPR if debug info are requested for them.
11143 (pop_gimplify_context): Adjust for above change.
11144 (gimple_add_tmp_var): Likewise.
11145 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
11146 Add bool parameter.
11147 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
11148 (convert_local_reference): Likewise.
11149 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
11150 (finalize_nesting_tree_1): Request that debug info be emitted
11151 for debug_var_chain.
11153 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11155 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
11156 for PR target/27863.
11158 2006-06-13 Richard Guenther <rguenther@suse.de>
11160 PR middle-end/27536
11161 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
11163 2006-06-13 Richard Guenther <rguenther@suse.de>
11165 PR tree-optimization/27830
11166 * tree-inline.c (copy_body_r): For copying the operand
11167 of an ADDR_EXPR make sure to fold &* afterwards.
11169 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
11171 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
11172 lvalues in the fb_none case with side-effects.
11174 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
11176 * tree-flow.h: Remove the prototype for
11177 compute_phi_arg_on_exit.
11178 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
11179 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
11182 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
11184 * builtins.c (expand_builtin_return_addr): Only use
11185 frame_pointer_rtx when count == 0 and we are expanding
11186 __builtin_return_address.
11188 2006-06-12 Fred Fish <fnf@specifix.com>
11190 * config/mips/mips.c (mips_file_start): Create special section
11191 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
11193 2006-06-11 Eric Christopher <echristo@apple.com>
11195 PR middle-end/27948
11196 * stor-layout.c (place_field): Remove check for
11197 remaining_in_alignment when aligning at the end of a run.
11199 2006-06-11 Eric Christopher <echristo@apple.com>
11202 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
11205 2006-06-11 Roger Sayle <roger@eyesopen.com>
11208 Revert incorrect fix for PR target/27158
11209 2006-05-08 Roger Sayle <roger@eyesopen.com>
11210 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
11211 of a reg_equiv_constant if the result is a legitimate constant.
11213 2006-06-11 Roger Sayle <roger@eyesopen.com>
11216 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
11217 extract a CONST_VECTOR element and interpret it as an integer.
11218 (vspltis_constant): Use const_vector_elt_as_int instead of the
11219 macro CONST_VECTOR_ELT in order to handle FP vector modes.
11220 * config/rs6000/predicates.md (easy_vector_const): Consider
11221 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
11223 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
11225 PR middle-end/27942
11226 * stor-layout.c (update_alignment_for_field): Don't add extra
11227 alignment for packed non-bitfield fields in ms_bitfield_layout_p
11230 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
11232 * config/mips/t-rtems: Add EL/EB multilib variants.
11234 2006-06-09 Mike Stump <mrs@apple.com>
11236 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
11238 2006-06-09 David Daney <ddaney@avtrex.com>
11240 * doc/install.texi: Add binutils version recommendation for mips-*-*.
11242 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
11244 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
11246 2006-06-09 Richard Guenther <rguenther@suse.de>
11248 PR tree-optimization/26998
11249 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
11250 of signed types, only TYPE_MIN_VALUE is special, but for both,
11251 minimum and maximum value. Likewise VR_ANTI_RANGE is special
11252 in this case, as is -fwrapv.
11254 2006-06-08 Mike Stump <mrs@apple.com>
11257 * config/darwin.c (darwin_asm_output_anchor): Disable
11258 -fsection-anchors on darwin for now.
11259 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
11260 * rs6000/rs6000.c (optimization_options): Likewise.
11262 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11265 * config/i386/i386.c (classify_argument): Skip fields with invalid
11268 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
11270 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
11271 (cse_insn): Likewise for the stack_pointer_rtx.
11273 2006-06-08 Roger Sayle <roger@eyesopen.com>
11275 * tree-ssa-dom.c (record_conditions): Only record "unordered"
11276 conditions from floating point comparisons.
11278 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
11280 PR middle-end/27733
11281 * expmed.c (struct alg_hash_entry): Fix type of field T
11282 to match synth_mult argument.
11283 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
11285 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11288 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
11291 2006-06-08 Richard Guenther <rguenther@suse.de>
11293 PR middle-end/27116
11294 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
11295 only, if overflow is defined and not trapping.
11296 (negate_expr): Likewise.
11298 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11300 PR tree-optimization/27872
11301 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
11302 flag on the new exit edge of the unrolled loop.
11304 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
11306 PR rtl-optimization/26449
11307 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
11309 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
11311 PR middle-end/27793
11312 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
11313 referenced_variables with matching DECL_UID's.
11314 (find_referenced_vars): Make sure duplicate list is empty to start.
11315 (referenced_var_p): Remove.
11316 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
11317 Check if var is in the list, and add if needed. Update the duplicate
11318 list if a different var is in the list with the same DECL_UID.
11319 (add_referenced_var): Call routine to check and insert.
11320 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
11321 * tree-flow.h (referenced_vars_dup_list): External declaration.
11323 2006-06-07 Fred Fish <fnf@specifix.com>
11325 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
11328 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
11331 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
11332 the imaginary and real parts of a clobbered register.
11333 Emit insn to set the imaginary part.
11335 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
11337 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
11338 in lieu of unwind-dw2-fde.c.
11340 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11342 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
11344 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
11347 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
11348 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
11349 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
11350 V4SImode temporaries and operations instead.
11352 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
11354 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
11357 2006-06-06 Mike Stump <mrs@apple.com>
11359 * Makefile.in: Rename to htmldir to build_htmldir to avoid
11360 installing during build.
11362 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11364 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
11366 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
11367 * config/ia64/ia64.c (params.h): New header.
11368 (ia64_optimization_options): New function to adjust parameters.
11369 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
11370 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
11371 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
11373 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
11375 * stor-layout.c (debug_rli): Fix a typo in a debug message.
11377 2006-06-05 Steve Ellcey <sje@cup.hp.com>
11380 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
11382 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
11383 Victor Kaplansky <victork@il.ibm.com>
11385 PR tree-optimization/26360
11386 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
11389 2006-06-04 Roger Sayle <roger@eyesopen.com>
11390 Andrew Pinski <pinskia@physics.uc.edu>
11392 PR middle-end/27382
11393 * c-common.c (c_common_truthvalue_conversion): Explicitly check
11394 for LABEL_DECL before calling DECL_WEAK.
11397 * c-typeck.c (build_binary_op): Likewise, explicitly check for
11398 LABEL_DECL and PARM_DECL.
11400 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
11404 * c-decl.c (grokdeclarator): Disallow variably modified types at
11405 file scope. Avoid marking shared array type of constant size as
11408 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11411 * c-common.c (fold_offsetof_1): Handle static members.
11413 2006-06-04 Eric Christopher <echristo@apple.com>
11415 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
11416 (debug_rli): Output value for remaining_in_alignment.
11417 (update_alignment_for_field): Unconditionalize
11418 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
11419 extra alignment code.
11420 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
11421 ms_bitfield_layout_p code. Rewrite handling of structure fields.
11422 * tree.h (record_layout_info_s): Remove prev_packed.
11423 * doc/extend.texi (ms_struct): Add documentation of format.
11425 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
11427 * tree.h: Declare folding_initializer.
11428 * builtins.c (fold_builtin_constant_p): Give definite answer
11429 if folding inside an initializer.
11430 * fold-const.c: Define folding_initializer.
11431 (START_FOLD_INIT): Save and then set folding_initializer.
11432 (END_FOLD_INIT): Restore folding_initializer.
11434 2006-06-04 Richard Guenther <rguenther@suse.de>
11436 PR tree-optimization/27039
11437 * fold-const.c (fold_comparison): Handle pointer comparison
11438 again for all comparison codes. Compare offsets in signed
11440 (fold_binary): Move code from here.
11442 2006-06-03 Roger Sayle <roger@eyesopen.com>
11445 * config/i386/i386.c (construct_container): Split static issued_error
11446 flag into issued_sse_arg_error, issued_sse_ret_error and
11447 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
11448 requires the use of x87 registers and the user explicitly
11449 specified the -mno-80387 command line option.
11451 2006-06-02 Geoffrey Keating <geoffk@apple.com>
11453 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
11454 HAVE_DECL_SIGALTSTACK.
11456 (segv_handler): Use MC_FLD.
11457 * configure.ac: Check for a sigaltstack declaration.
11458 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
11459 * configure: Regenerate.
11460 * config.in: Regenerate.
11462 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
11465 * Makefile.in (stmp-fixinc): Fix typo.
11467 2006-06-02 Roger Sayle <roger@eyesopen.com>
11469 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
11470 are type correct. Clean-up.
11471 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
11472 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
11474 2006-06-01 DJ Delorie <dj@redhat.com>
11476 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
11477 shift, as we've disabled the "switch" insn that needs it.
11479 2006-06-01 Per Bothner <bothner@bothner.com>
11481 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
11482 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
11483 * c-ppoutput.c (cb_define): Don't increment line 0.
11485 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
11487 * doc/invoke.texi: Add cpu_type power6.
11488 * config.gcc: Add cpu_type power6.
11489 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
11490 to power5+ with Altivec.
11491 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
11492 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
11494 2006-05-30 Anatoly Sokolov <aesok@post.ru>
11496 * config/avr/avr.h (SET_ASM_OP): Define.
11498 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
11500 * config/bfin/bfin.c: Fix comment typos.
11502 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11505 * doc/install.texi: Document --enable-bootstrap and
11506 --disable-bootstrap.
11508 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
11510 * doc/install.texi: Document that InfoZIP can replace jar.
11512 2006-05-31 Roger Sayle <roger@eyesopen.com>
11514 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
11515 isn't available, directly generate the simpler x87 patterns without
11516 the (use (const_int 0)).
11517 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
11518 implementation isn't available.
11519 (*negdf2_1): Likewise.
11520 (*negxf2_1): XF mode negation is always done using the x87.
11521 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
11523 2006-05-31 Roger Sayle <roger@eyesopen.com>
11525 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
11526 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
11528 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
11530 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11532 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
11533 * config/bfin/bfin.c (basic-block.h): Include.
11534 (struct machine_function): New.
11535 (bfin_init_machine_status): New.
11536 (override_options): Initialize init_machine_status.
11537 (bfin_hardware_loop): New.
11538 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
11539 (DEF_VEC_P (loop_info)): New.
11540 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
11541 (struct loop_info): New.
11542 (loop_info): New typedef.
11543 (struct loop_work): New.
11544 (loop_work): New typedef.
11545 (DEF_VEC_O (loop_work)): New.
11546 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
11547 (bfin_dump_loops): New.
11548 (bfin_bb_in_loop): New.
11549 (bfin_scan_loop): New.
11550 (bfin_optimize_loop): New.
11551 (bfin_reorg_loops): New.
11552 (bfin_reorg): Use bfin_reorg_loops.
11553 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
11555 (I_REGNO_P): Simplify.
11556 (DP_REGNO_P, DPREG_P): New macros.
11557 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
11558 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
11559 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
11560 Add LT_REGS, LC_REGS, LB_REGS.
11561 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
11563 (REGNO_REG_CLASS): Deal with loop registers.
11564 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
11566 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
11567 New constants for loop registers.
11568 (UNSPEC_LSETUP_END): New.
11569 (seq_insns): New define_attr. Set it for appropriate insns.
11570 (movsi_insn): Add alternatives for move from/to
11571 loop count registers.
11572 (doloop_end): New define_expand.
11573 (loop_end): New define_insn.
11574 (define_split for bad doloop_end): New.
11575 (lsetup_with_autoinit): New define_insn.
11576 (lsetup_without_autoinit): New define_insn.
11577 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
11578 * config/bfin/predicates.md (lc_register_operand): New.
11579 (lt_register_operand): New.
11580 (lb_register_operand): New.
11581 (nondp_register_operand): New.
11582 (nondp_reg_or_memory_operand): New.
11583 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
11585 2006-05-31 Jie Zhang <jie.zhang@analog.com>
11587 * config/bfin/bfin.c (bfin_delegitimize_address): New.
11588 (TARGET_DELEGITIMIZE_ADDRESS): Define.
11590 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
11592 * Makefile.in (CATALOGS): Add po/ prefix.
11593 * configure: Regenerated.
11595 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
11598 * arm.c (arm_print_operand case 'S'): Validate that the operand is
11599 a shift operand before calling shift_op. Avoid redundant call of
11602 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
11603 DJ Delorie <dj@redhat.com>
11605 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
11606 we're inserting is a singlt-bit constant.
11608 2006-05-30 Roger Sayle <roger@eyesopen.com>
11610 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
11611 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
11613 2006-05-30 Roger Sayle <roger@eyesopen.com>
11615 PR tree-optimization/23452
11616 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
11617 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
11618 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
11619 complex values and with -ffast-math for FP complex values.
11621 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
11623 * c-common.h: Remove the prototype for yyparse.
11624 * rtl.h: Remove the prototype for init_loop.
11626 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
11628 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
11631 2006-05-30 Roger Sayle <roger@eyesopen.com>
11633 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
11635 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
11636 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
11638 2006-05-30 Dirk Mueller <dmueller@suse.de>
11641 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
11642 for CONSTANT_CLASS_P expresisons.
11644 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11647 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
11649 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
11651 PR tree-optimization/27779
11652 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
11653 initial_condition instead of CHREC_LEFT.
11655 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
11657 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
11658 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
11659 Make prototypes ISO C90.
11661 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
11662 Leehod Baruch <leehod.baruch@weizmann.ac.il>
11664 * see.c (see_analyze_one_def): Correct check.
11665 (see_get_extension_data): Check if extension is parallel.
11666 (see_get_extension_reg): Likewise.
11668 2006-05-30 Uros Bizjak <uros@kss-loka.si>
11671 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
11672 into register for (code == GTU).
11674 2006-05-29 Roger Sayle <roger@eyesopen.com>
11676 PR tree-optimization/24964
11677 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
11678 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
11679 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
11680 abs(x)*abs(x) as x*x for scalar floating point modes.
11682 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
11684 PR middle-end/27745
11685 * lambda-code.c (perfect_nestify): Don't copy statements
11686 in the inner loop: move them to the inner loop header.
11688 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11691 * c-tree.texi: Document OpenMP directives and clauses.
11693 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11695 * varasm.c (globalize_decl): Fix indentation.
11697 2006-05-29 Diego Novillo <dnovillo@redhat.com>
11700 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
11701 pass_fre, pass_store_ccp, pass_copy_prop,
11702 pass_store_copy_prop, pass_merge_phi, pass_nrv,
11703 pass_return_slot, pass_object_size, pass_lim,
11704 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
11705 pass_loop_prefetch and pass_stdarg.
11707 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
11709 * config/bfin/bfin.opt (mfdpic): New option.
11710 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
11711 (EXTRA_MULTILIB_PARTS): Likewise.
11712 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
11713 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
11715 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
11716 (CRT_CALL_STATIC_FUNCTION): New.
11717 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
11719 (CRT_CALL_STATIC_FUNCTION): New.
11720 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
11722 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
11723 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
11724 (initialize_trampoline): Changed to handle FD-PIC code generation.
11725 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
11726 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
11727 (override_options): Disallow -mid-shared-library -mfdpic combination.
11728 Can't do unaligned ops if FD-PIC.
11729 Turn off flag_pic if trying to generate non-id-shared-library
11730 non-fdpic code, since it's not supported.
11731 (bfin_assemble_integer): New function.
11732 (TARGET_ASM_INTEGER): Define.
11733 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
11735 * config/bfin/crtn.s: Restore them.
11736 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
11738 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
11739 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
11740 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
11741 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
11742 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
11744 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
11745 FDPIC_REGS and FDPIC_FPTR_REGS.
11746 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
11747 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
11748 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
11749 (load_funcdescsi): New pattern.
11750 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
11751 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
11752 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
11754 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
11756 * gcse.c, rtlanal.c: Remove obsolete comments associated with
11759 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
11761 * tree-flow.h: Remove the prototype for add_type_alias.
11762 * tree-ssa-alias.c (add_type_alias): Remove.
11764 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
11766 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
11767 config/fr30/fr30.md, config/i386/i386-interix.h,
11768 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
11769 config/sh/superh64.h, config/v850/v850.c, df-core.c,
11770 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
11771 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
11772 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
11773 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
11774 Follow spelling conventions.
11775 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
11776 Follow spelling conventions.
11778 2006-05-27 Richard Guenther <rguenther@suse.de>
11780 PR middle-end/27773
11781 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
11782 to produce a constant of value 1 of generic type.
11784 2006-05-27 Dirk Mueller <dmueller@suse.de>
11786 * cgraphunit.c (decide_is_function_needed): Fix wrong
11789 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
11791 PR rtl-optimization/27661
11792 * reload.c (find_reloads): When reloading a VOIDmode constant
11793 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11794 use Pmode as mode of the reload register.
11796 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
11798 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
11799 is enabled at -O and above.
11801 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
11804 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
11807 2006-05-25 Mark Mitchell <mark@codesourcery.com>
11810 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
11811 for anonymous variables explicitly declared by front ends.
11813 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11815 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
11816 (struct alias_info): Add new field ref_all_symbol_mem_tag.
11817 * tree-ssa-alias.c (compute_may_aliases): If the program contains
11818 ref-all pointers, run a finalization pass for them.
11819 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
11820 (finalize_ref_all_pointers): New function.
11821 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
11822 regular pointer type to a ref-all pointer type.
11823 (get_tmt_for): Return the special memory tag for ref-all pointers.
11825 2006-05-25 Richard Guenther <rguenther@suse.de>
11827 PR middle-end/27743
11828 * fold-const.c (fold_binary): Do not look at the stripped
11829 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
11831 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
11833 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
11834 for LT and GT if the computed range is effectively empty.
11836 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11839 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
11840 mips_quad_format formats instead of ieee_single_format,
11841 ieee_double_format and ieee_quad_format formats, respectively.
11843 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
11845 PR tree-optimization/27639
11846 PR tree-optimization/26719
11847 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
11848 call to scev_probably_wraps_p.
11849 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
11850 used_in_pointer_arithmetic_p, convert_step): Removed.
11851 (nowrap_type_p): New function.
11852 (scev_probably_wraps_p): Rewritten.
11853 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
11854 chrec_convert if chrec_convert_aggressive might have been used.
11855 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
11856 scev_direction): New functions.
11857 (chrec_convert): Changed to a wrapper over chrec_convert_1.
11858 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
11859 instead of convert_step.
11860 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
11861 (convert_step): Declaration removed.
11862 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
11864 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
11866 * df-core.c: Added to header comments.
11867 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
11868 df_ur_bb_info, df_urec_bb_info): Added comments.
11869 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
11870 urec, ri problems): Fixed header comments.
11871 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
11872 code from df_rd_transfer_function.
11874 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11876 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
11877 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
11878 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
11880 2006-05-23 Joseph Myers <joseph@codesourcery.com>
11882 * expr.c (undefined_operand_subword_p): New.
11883 (emit_move_multi_word): Do not generate move from undefined bits
11884 of a paradoxical subreg.
11886 2006-05-23 Richard Sandiford <richard@codesourcery.com>
11888 PR rtl-optimization/27736
11889 * combine.c (replaced_rhs_value): New variable.
11890 (combine_instructions): Set it.
11891 (distribute_notes): When distributing a note in replaced_rhs_insn,
11892 check whether the value was used in replaced_rhs_value.
11894 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
11897 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
11898 add_referenced_var instead of add_referenced_tmp_var.
11899 * tree-complex.c (create_one_component_var): Use add_referenced_var.
11900 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
11901 add_referenced_var.
11902 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
11903 tree_optimize_tail_calls_1): Use add_referenced_var.
11904 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
11905 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
11906 Use add_referenced_var.
11907 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
11908 * gimplify.c (force_gimple_operand): Use add_referenced_var.
11909 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
11910 Use add_referenced_var.
11911 * tree-dfa.c (struct walk_state): Remove.
11912 (find_referenced_vars): Remove walk state and vars_found hash table.
11913 (make_rename_temp): Use add_referenced_var.
11914 (find_vars_r): Pass less parameters to add_referenced_var.
11915 (referenced_var_p): New. Is var in referenced_var hash table.
11916 (referenced_var_insert): Assert var isn't already in hash table.
11917 (add_referenced_var): Don't need walk_state parameter. Add var if it
11918 isn't already in the hash table.
11919 (add_referenced_tmp_var): Remove.
11920 (find_new_referenced_vars_1): Use add_referenced_var.
11921 * tree-ssa-pre.c (create_expression_by_pieces,
11922 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
11923 Use add_referenced_var.
11924 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
11925 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
11926 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
11927 add_referenced_var.
11928 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
11929 vect_create_data_ref_ptr, vect_create_destination_var,
11930 vect_init_vector, vect_build_loop_niters,
11931 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
11932 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
11933 Use add_referenced_var.
11934 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
11935 * tree-flow.h (add_referenced_tmp_var): Remove prototype
11936 (add_referenced_var): Add prototype.
11937 * tree-ssa-structalias.c (get_constraint_for,
11938 intra_create_variable_infos): Use add_referenced_var.
11940 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
11942 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
11943 big-endian paradoxical subregs.
11944 * var-tracking.c (struct micro_operation_def): Document that,
11945 for modify micro operations, insn is the subsequent instruction.
11946 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
11947 (var_reg_set, var_mem_set): ... new functions.
11948 (add_stores): Record subsequent insn.
11949 (compute_bb_dataflow): Use new functions for MO_USE.
11950 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
11951 notes after the insn, and modify notes before the insn known
11952 to be the subsequent one.
11953 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
11955 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
11958 * config/i386/i386.c (ix86_expand_builtin): Use
11959 gen_sse3_monitor64 for TARGET_64BIT.
11961 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
11963 PR rtl-optimization/26375
11964 PR rtl-optimization/26855
11965 * df-problems (df_ru_bb_local_compute_process_def): Removed update
11967 (df_ru_bb_local_compute): Reversed statements and removed bogus
11968 comment explaining why they should be in wrong order.
11969 (df_ru_dump, df_rd_dump): Enhanced debug info.
11970 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
11972 * ddg.c (add_deps_for_def): Converted use of reaching defs to
11973 reaching uses and fixed space problem.
11975 2006-05-23 Jan Hubicka <jh@suse.cz>
11977 * cgraphunit.c (decide_is_function_needed): Also nested functions
11978 and functions declared inline can be optimized out at -O0.
11980 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
11982 * doc/install.texi (Configuration): Remove reference to CrossGCC
11983 FAQ which was gone.
11986 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
11989 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
11990 ix86_compare_emitted is non-NULL.
11992 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11995 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
11998 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12000 PR rtl-optimization/25514
12001 * combine.c (replaced_rhs_insn): New variable.
12002 (combine_instructions): Set replaced_rhs_insn when trying to replace
12003 a SET_SRC with a REG_EQUAL note.
12004 (distribute_notes): Use replaced_rhs_insn when determining the live
12005 range of a REG_DEAD register.
12007 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
12008 Anatoly Sokolov <aesok@post.ru>
12010 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
12011 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
12012 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
12013 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
12014 atmega3290, atmega649, atmega6490, atmega406, atmega640,
12015 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
12016 at90usb647, at90usb1286 and at90usb1287 devices.
12017 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12018 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12020 2006-05-22 Richard Sandiford <richard@codesourcery.com>
12022 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
12024 2006-05-22 Richard Guenther <rguenther@suse.de>
12027 2006-01-31 Richard Guenther <rguenther@suse.de>
12028 Paolo Bonzini <bonzini@gnu.org>
12030 * doc/install.texi (--disable-libgcc-math): Document.
12032 2006-05-22 Richard Guenther <rguenther@suse.de>
12035 2006-01-31 Richard Guenther <rguenther@suse.de>
12037 * doc/invoke.texi (-msselibm): Document.
12038 * target.h (expand_library_builtin): New target hook.
12039 * builtins.c (expand_builtin): Use expand_library_builtin.
12040 (default_expand_library_builtin): New function.
12041 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12042 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12043 (link_gcc_math_spec): Declare.
12044 (static_specs): Add link_gcc_math_spec.
12045 * expr.h (default_expand_library_builtin): Declare.
12046 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12047 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12048 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12049 * config/i386/i386.opt (msselibm): New target option.
12050 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12051 (ix86_init_sse_abi_builtins): New function.
12052 (ix86_expand_library_builtin): Likewise.
12053 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12054 (override_options): Handle error conditions wrt -msselibm.
12055 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12056 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12057 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12060 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12063 * c-common.c (self_promoting_args_p): Skip erroneous args.
12066 * c-decl.c (finish_struct): Skip erroneous fields.
12068 2006-05-22 Nick Clifton <nickc@redhat.com>
12070 * config/cris/cris.opt (march): Remove VarExists attribute.
12071 (max-stackframe=): Likewise.
12073 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
12075 * doc/rtl.texi: Fix a typo.
12076 * see.c: Fix comment typos.
12078 * tree-ssa-structalias.h (alias_info): Remove num_references.
12080 2006-05-21 Mike Stump <mrs@apple.com>
12082 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
12084 (darwin_pragma_options): Use BAD instead.
12085 (darwin_pragma_unused): Likewise.
12086 (darwin_pragma_ms_struct): Likewise.
12088 2006-05-21 David Edelsohn <edelsohn@gnu.org>
12090 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
12092 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
12094 PR rtl-optimization/27671
12095 * simplify-rtx.c (simplify_relational_operation_1): Fix
12096 simplifications of (eq/ne (xor x y) y) and
12097 (eq/ne (xor x y) x).
12099 PR tree-optimization/26622.
12100 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
12103 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12105 * tree-cfg.c: Prune whitespace.
12106 (debug_tree_cfg): Point to correct header containing the
12109 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
12111 PR middle-end/25776
12112 * cgraphunit.c (verify_cgraph_node): Typo in error message.
12114 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
12116 PR middle-end/25776
12117 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
12118 or sorry count is non zero.
12120 2006-05-20 Andreas Schwab <schwab@suse.de>
12122 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
12124 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
12125 Kenneth Zadeck <zadeck@naturalbridge.com>
12127 PR rtl-optimization/26855
12129 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
12131 (df_scan_alloc): Added code to properly handle multiword hard
12132 registers and add all_blocks parameter.
12133 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
12134 code to properly handle multiword hard registers.
12135 (df_rescan_blocks): Added code to remove deleted blocks from
12137 (df_ref_create_structure, df_ref_record): Added code to properly
12139 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
12140 and set DF_REF_PARTIAL.
12141 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
12142 (df_uses_record): Added DF_REF_PARTIAL for subreg.
12143 (df_scan_add_problem): Added flags parameter.
12144 (df_ref_create_structure): Changed switching structure.
12145 (df_bb_refs_record): Fixed case where duplicate artificial refs
12146 were created. Changed location of flags.
12147 (df_record_entry_block_defs): Added code to make stack pointer
12148 live in entry block. Refined cases where frame pointer is needed.
12149 Changed location of flags.
12150 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
12151 (df_set_state): Removed function.
12152 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
12153 df_insn_create_insn_record, df_insn_refs_delete,
12154 df_ref_create_structure): Formatting changes.
12155 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
12156 df_delete_basic_block): New function.
12157 (df_init): Changed location of flags.
12158 (df_add_problem): Added flags parameter and the way flags are
12160 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
12161 debug_df_chain): Improved debugging output.
12162 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
12163 (df_refs_chain_dump): Removed df parameter.
12164 (df_iterative_dataflow): Added consistency check.
12165 (df_prune_to_subcfg): Made public.
12166 (df_analyze_problem): Added blocks_to_init parameter and made
12168 (df_ref_record, df_bb_refs_record, df_mark_reg,
12169 df_record_exit_block_uses): Whitespace changes.
12170 (df_dump): Whitespace changes.
12171 * df.h: Some reordering to remove forward references.
12172 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
12173 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
12174 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
12175 (dataflow.flags): New field.
12176 (df.flag): Deleted field.
12177 (df_alloc_function): Added additional bitmap parameter.
12178 (df_dependent_problem_function): New type.
12179 (df_problem.changeable_flags): New field.
12180 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
12181 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
12182 (df_mw_hardreg): New struct.
12183 (DF_INSN_UID_MWS): New macro.
12184 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
12186 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
12187 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
12188 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
12189 (df_set_state): Removed function.
12190 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
12191 * df-problems.c (df_chain_dump): Removed df parameter.
12192 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
12193 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
12195 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
12196 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
12197 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
12198 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
12199 DF_REF_MUST_CLOBBER cases.
12200 (df_ru_bb_local_compute_process_def,
12201 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
12202 df_lr_bb_local_compute, df_ur_bb_local_compute,
12203 df_chain_create_bb): Made subreg aware.
12204 (df_ru_bb_local_compute, df_rd_bb_local_compute,
12205 df_lr_bb_local_compute, df_lr_bb_local_compute,
12206 df_chain_create_bb): Cleanup to use proper macros.
12207 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
12208 code to fixup bitvectors.
12209 (df_ri_alloc): Cleared lifetime.
12210 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
12211 df_create_unused_note): New function.
12212 (df_ri_bb_compute, df_ri_compute): Added code to create/update
12213 REG_DEAD and REG_UNUSED notes as well as register information.
12214 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
12215 df_chains_dump): Fixed crash if problem was never run.
12216 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
12217 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
12218 df_ri_add_problem): Processes flags in uniform manner.
12219 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
12220 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
12221 df_rd_dump, df_urec_free_bb_info): Formatting changes.
12222 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
12223 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
12224 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
12225 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
12226 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
12227 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
12228 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
12229 * see.c (see_initialize_data): Ditto.
12230 * final.c (rest_of_clean_state) Added regstack_completed.
12231 * rtl.h (regstack_completed): Ditto.
12232 * reg-stack.c (regstack_completed): Ditto.
12234 2006-05-19 Mike Stump <mrs@apple.com>
12236 * c-tree.h (default_conversion): Remove.
12237 * c-common.h (default_conversion): Add.
12239 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
12241 * tree-vrp.c (valid_value_p): New function.
12242 (adjust_range_with_scev): Fail if the value of bound is not
12245 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12247 * config/mips/linux-unwind.h: Include <asm/unistd.h>
12248 (mips_fallback_frame_state): Use syscall numbers to determine
12249 the appropriate li instruction for the current ABI. Only use
12250 __NR_sigreturn for o32.
12252 2006-05-19 Nicolas Setton <setton@adacore.com>
12254 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
12255 * langhooks.c (lhd_dwarf_name): New function.
12256 * langhooks-def.h (lhd_dwarf_name): Declare.
12257 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
12258 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
12260 2006-05-19 Richard Sandiford <richard@codesourcery.com>
12262 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
12264 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
12265 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
12266 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
12267 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
12268 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
12269 determine the size of Wtype, etc.
12270 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
12271 (swfloatfuncs): New variable.
12272 (dwfloatfuncs): Likewise.
12273 (lib2funcs): Remove floating-point conversion functions from
12274 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
12275 the set of conversion routines needed. Allow entries to specify
12276 an object name, filename and word size. Update users accordingly.
12277 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
12278 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
12282 2006-02-08 Roger Sayle <roger@eyesopen.com>
12285 * config/fixtfdi.c: New libgcc source file.
12286 * config/fixunstfdi.c: New source file.
12287 * config/floatditf.c: New source file.
12288 * config/floatunditf.c: New souce file.
12289 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12290 files above instead of config/mips/_tilib.c.
12291 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12293 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12295 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
12296 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
12298 2006-05-18 Mike Stump <mrs@apple.com>
12300 Fix up vla, vm and [*] sematics.
12306 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
12307 (c_vla_unspec_p): Add.
12308 (c_vla_type_p): Add.
12309 * c-decl.c (struct c_scope): Add had_vla_unspec.
12310 (build_array_declarator): Add support for [*].
12311 (grokdeclarator): Likewise.
12312 (grokparms): Likewise.
12313 (get_parm_info): Likewise.
12314 * c-objc-common.c (c_vla_unspec_p): Likewise.
12315 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
12316 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
12317 typeof when argument is a variably modified type not inside sizeof or alignof.
12318 (c_parser_direct_declarator_inner): Propagate errors.
12319 (c_parser_sizeof_expression): Add support for [*].
12320 (c_parser_parms_declarator): Initialize had_vla_unspec.
12321 (c_parser_parms_list_declarator): Likewise.
12322 * c-typeck.c (c_vla_type_p): Add.
12323 (composite_type): Add support for vla compositing.
12324 (comptypes_internal): Add support for vla compatibility.
12325 (c_expr_sizeof_expr): Evaluate vla arguments.
12326 * tree.c (variably_modified_type_p): Update comment for [*].
12328 2006-05-18 Michael Matz <matz@suse.de>
12331 * config.host: Make assignments to host_xmake_file cumulative.
12332 * config.host (*-darwin*): Test $host, not $target.
12334 2006-05-12 Stuart Hastings <stuart@apple.com>
12336 * config/i386/i386.opt (-mstackrealign): New flag.
12337 * config/i386/i386.c (force_align_arg_pointer): New attribute.
12338 (ix86_handle_cconv_attribute): Emit error when
12339 force_align_arg_pointer attribute collides with too many regparms.
12340 (ix86_function_regparm): Limit regparms when used with
12341 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
12342 Support stack-realigning prologue in non-main functions. Emit
12343 warning for nested functions under -mstackrealign, emit error for
12344 nested functions with force_align_arg_pointer attribute.
12345 * doc/extend.texi (force_align_arg_pointer): Document it.
12346 * doc/invoke.texi (-mstackrealign): Document it.
12348 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
12350 PR rtl-optimization/27477
12351 * combine.c (try_combine): Don't split a parallel consisting
12352 of two sets into two individual sets if both sets reference
12355 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
12357 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
12358 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
12360 * doc/options.texi (VarExists): Updated.
12362 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12364 * unwind-dw2.c: Add declarations for uw_update_context and
12365 uw_frame_state_for.
12366 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
12367 detected, advance frame state and context once to skip over stub.
12369 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12371 PR middle-end/20256
12372 PR middle-end/26435
12373 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
12374 Call rewrite_into_loop_closed_ssa only when something changed.
12375 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
12376 * lambda-code.c (can_convert_to_perfect_nest): Declared.
12377 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
12378 Test for perfect_nest_p here. Fix formating.
12379 (replace_uses_equiv_to_x_with_y): Fix formating.
12380 (stmt_uses_op): Removed.
12381 (can_convert_to_perfect_nest): Removed loopivs parameter.
12382 Complete the test by checking the scalar dependences.
12383 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
12386 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12389 From Dan Kegel <dank@kegel.com>:
12390 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
12392 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
12394 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
12395 if the element type is variably modified without recursing.
12397 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
12399 PR middle-end/27332
12400 * tree-loop-linear.c (try_interchange_loops): Test for
12401 no data dependences.
12403 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
12405 PR tree-optimization/27548
12406 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
12407 range of ssa names that appear on abnormal edges.
12408 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
12409 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
12411 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
12413 PR middle-end/27620
12414 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
12416 2006-05-17 Jakub Jelinek <jakub@redhat.com>
12418 PR middle-end/27415
12419 * tree.h (OMP_PARALLEL_COMBINED): Define.
12420 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
12421 (new_omp_context): Add is_combined_parallel argument.
12422 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
12423 new_omp_context caller.
12424 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
12425 Adjust gimplify_scan_omp_clauses callers.
12426 (omp_is_private): Issue errors if iteration variable is firstprivate
12427 or reduction in the current context.
12428 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
12429 on combined parallel workshare constructs.
12431 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12433 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
12434 (gcc-options.o): New rule.
12436 * optc-gen.awk: Protect variables for gcc-options.o with
12437 #ifdef GCC_DRIVER/#endif.
12439 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
12441 Fix PR tree-optimization/27373
12442 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
12443 (forward_propagate_addr_expr): Update call.
12445 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12447 * doc/options.texi: Move the Negative option.
12449 2006-05-16 Richard Guenther <rguenther@suse.de>
12451 PR tree-optimization/22303
12452 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
12454 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
12455 ccp_fold did not simplify the statement.
12457 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
12460 * Makefile.in (GCC_OBJS): New.
12461 (OBJS-common): Add opts-common.o.
12462 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
12463 (cpp$(exeext)): Likewise.
12464 (gcc.o): Also depend on opts.h.
12465 (opts-common.o): New.
12467 * common.opt (gcoff): Add Negative(gdwarf-2).
12468 (gdwarf-2): Add Negative(gstabs).
12469 (gstabs): Add Negative(gstabs+).
12470 (gstabs+): Add Negative(gvms).
12471 (gvms): Add Negative(gxcoff).
12472 (gxcoff): Add Negative(gxcoff+).
12473 (gxcoff+): Add Negative(gcoff).
12474 * config/i386/i386.opt (m32): Add Negative(m64).
12475 (m64): Add Negative(m32).
12477 * doc/options.texi: Document the Negative option.
12479 * gcc.c: Include "opts.h".
12480 (main): Call prune_options after expandargv.
12482 * optc-gen.awk: Generate common declarations for all flag
12483 variables in options.c. Output the neg_index field.
12485 * opts.c (find_opt): Moved to ...
12486 * opts-common.c: Here. New file.
12488 * opts.h (cl_option): Add a neg_index field.
12490 (prune_options): Likewise.
12492 2006-05-16 Jakub Jelinek <jakub@redhat.com>
12494 PR middle-end/27573
12495 * omp-low.c (expand_omp_parallel): Don't assert
12496 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
12497 instead search for it.
12500 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
12503 2006-05-16 Andreas Schwab <schwab@suse.de>
12505 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
12508 2006-05-15 Roger Sayle <roger@eyesopen.com>
12511 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
12512 integer constants other than zero are only legitimate on TARGET_64BIT.
12513 <CONST_VECTOR> Only zero vectors are legitimate.
12514 (ix86_cannot_force_const_mem): Integral and vector constants can
12515 always be put in the constant pool.
12517 2006-05-16 DJ Delorie <dj@redhat.com>
12519 * crtstuff.c (__dso_handle): Set section from
12520 TARGET_LBIGCC_SDATA_SECTION if defined.
12521 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
12522 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
12524 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
12527 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
12530 2006-05-16 Ben Elliston <bje@au.ibm.com>
12532 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
12534 2006-05-15 Per Bothner <per@bothner.com>
12536 * tree.c: (last_annotated_node): Use source_locus typedef.
12537 This permits bootstrapping with --enable-mapped-location.
12539 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
12541 PR tree-optimization/26830
12542 * tree-into-ssa.c (struct ssa_name_info): Add age field.
12543 (info_for_ssa_name, current_info_for_ssa_name_age,
12544 blocks_to_update): New variables.
12545 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
12546 (clear_ssa_name_info, initialize_flags_in_bb,
12547 mark_block_for_update): New functions.
12548 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
12549 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
12550 prepare_def_site_for): Use mark_block_for_update.
12551 (mark_def_interesting): Assert that the processed block is marked in
12552 blocks_to_update. Do not take blocks argument.
12553 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
12555 (rewrite_update_init_block, rewrite_update_stmt): Only process
12556 blocks with statements to rewrite.
12557 (delete_update_ssa): Do not clear SSA_NAME_AUX.
12558 (update_ssa): Initialize and free blocks_to_update. Do not
12559 clear flags on statements. Do not use blocks bitmap.
12560 * tree.h (SSA_NAME_AUX): Removed.
12561 (struct tree_ssa_name): Removed aux field.
12562 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
12564 2006-05-15 Richard Guenther <rguenther@suse.de>
12566 PR tree-optimization/27603
12567 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
12568 Do computations in original type.
12570 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
12572 * see.c: Code style changes such as redundant paranthesis,
12573 redundant intialization of local variables etc.
12574 (see_main): Declared now as static.
12575 * doc/invoke.texi: Update that -fsee is not enabled by
12578 2006-05-15 Jakub Jelinek <jakub@redhat.com>
12580 * omp-low.c (check_omp_nesting_restrictions): New function.
12581 (scan_omp_1): Call it.
12583 PR middle-end/27416
12584 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
12585 construct, return *VAR.
12587 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
12589 PR rtl-optimization/27406
12590 * bt-load.c (migrate_btr_def): Skip the block having abnormal
12593 2006-05-14 Roger Sayle <roger@eyesopen.com>
12595 PR rtl-optimization/27538
12596 * combine.c (expand_compound_operation): Call gen_lowpart
12597 before calling simplify_shift_const.
12599 2006-05-14 Roger Sayle <roger@eyesopen.com>
12601 PR rtl-optimization/22563
12602 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
12603 a fixed width bitfield, always force the intermediates into psuedos.
12605 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
12608 * mkconfig.sh: Use operator = instead of == for test.
12610 2006-05-13 Nick Clifton <nickc@redhat.com>
12612 * dwarf2out.c (dbx_reg_number): Check return value from
12613 LEAF_REG_REMAP and only use it if it is valid.
12614 (multiple_reg_loc_descriptor): Likewise.
12616 2006-05-13 Richard Guenther <rguenther@suse.de>
12618 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
12621 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
12623 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
12624 information attached to non-INSNs such as NOTEs.
12625 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
12627 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
12629 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
12631 * config/s390/s390.md: Adjust comment describing On constraint.
12633 2006-05-11 Jan Hubicka <jh@suse.cz>
12635 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
12636 to be output at -O0.
12638 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12640 PR middle-end/27384
12641 * fold-const.c (size_binop): Move sanity check for arguments to
12642 the beginning of the function.
12644 PR middle-end/27488
12645 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
12648 2006-05-11 Richard Guenther <rguenther@suse.de>
12650 PR middle-end/27529
12651 * fold-const.c (fold_unary): Handle intermediate conversion
12652 to a pointer type like intermediate conversion to an integer
12653 type in folding of (T1)(T2)var to var.
12654 Match the code to the comment in the final conversion for
12655 (T1)(T2)var to (T1)var regarding to type precision. Rather
12656 than disallow T1 being of pointer type, assert that both T1
12657 and var are of pointer type or not. Make sure not to fall
12658 over the frontends lazyness wrt array to pointer decay though.
12660 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
12662 * arm.c (arm_struct_value_rtx): Delete.
12663 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
12664 (arm_init_cumulative_args): Always initialize nregs to zero.
12666 2006-05-10 Richard Guenther <rguenther@suse.de>
12668 PR tree-optimization/27532
12669 * tree-object-size.c (plus_expr_object_size): Fix typo.
12671 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
12674 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
12675 ashrdi_const, ashrdi3): Use a scratch register.
12677 2006-05-10 Richard Guenther <rguenther@suse.de>
12679 PR tree-optimization/27302
12680 * fold-const.c (operand_equal_p): For two comparisons,
12681 try comparison of one comparison code swapped if that yields
12684 2006-05-10 Ben Elliston <bje@au.ibm.com>
12686 * tree-pretty-print.c (pretty_print_string): No need to handle
12687 '\0' as a special character.
12689 * tree.h: Include "hashtab.h".
12690 (iterative_hash_expr): Use hashval_t in its prototype.
12691 * Makefile.in (TREE_H): Add $(HASHTAB_H).
12693 2006-05-09 Steve Ellcey <sje@cup.hp.com>
12696 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
12697 (hppa*64*-*-hpux11*): Ditto.
12698 (hppa[12]*-*-hpux11*): Ditto.
12700 2006-05-09 David Edelsohn <edelsohn@gnu.org>
12703 * config/rs6000/aix41.h (TARGET_64BIT): Define.
12705 2006-05-09 Michael Matz <matz@suse.de>
12707 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
12708 host_extra_gcc_objs and host_xmake_file.
12709 (<*-*-linux*>): Don't overwrite host_xmake_file.
12710 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
12711 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
12712 (host_detect_local_cpu): Declare.
12713 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
12714 * config/i386/i386.c (override_options): Handle -mtune=native
12716 * config/i386/x-i386: New file.
12717 * config/i386/driver-i386.c: New file.
12718 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
12721 2006-05-09 Dirk Mueller <dmueller@suse.de>
12722 Richard Guenther <rguenther@suse.de>
12724 PR middle-end/27498
12725 * fold-const.c (fold_read_from_constant_string): Relax check
12726 for matching types to matching modes.
12728 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
12730 PR rtl-optimization/27335
12731 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
12734 2006-05-08 Chao-ying Fu <fu@mips.com>
12735 Richard Sandiford <richard@codesourcery.com>
12737 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
12738 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
12739 * config/mips/mips.md (UNSPEC_SCC): New constant.
12740 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
12741 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
12742 (mips_emit_compare): Use it.
12743 (mips_expand_vcondv2sf): New function.
12745 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
12747 Fix PR tree-optimization/27093
12748 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
12749 renaming when they become not-used_alone.
12751 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12753 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
12754 relocation and relocation stubs.
12756 2006-05-08 Eric Christopher <echristo@apple.com>
12758 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
12761 2006-05-08 Jan Hubicka <jh@suse.cz>
12763 PR middle-end/24561
12764 * cgraphunit.c (decide_is_function_needed): When not optimizing even
12765 unused static functions are needed.
12767 2006-05-08 Roger Sayle <roger@eyesopen.com>
12770 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
12771 of a reg_equiv_constant if the result is a legitimate constant.
12773 2006-05-08 Uros Bizjak <uros@kss-loka.si>
12776 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
12777 standard 80387 constants, raise the cost to prevent
12778 compress_float_constant() to generate load from memory.
12780 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
12782 * config/arm/constraints.md (c): Fix a typo.
12784 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
12787 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
12790 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
12792 (_mm_mwait): Likewise.
12794 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
12796 (sse3_monitor): Make it 32bit only.
12797 (sse3_monitor64): New. 64bit monitor.
12799 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12802 * config/i386/i386.c (classify_argument): Skip fields with invalid
12805 2006-05-07 Richard Guenther <rguenther@suse.de>
12807 PR tree-optimization/27409
12808 * tree-ssa-structalias.c (get_constraint_for_component_ref):
12809 Do not try to find zero-sized subvars.
12811 2006-05-07 Richard Guenther <rguenther@suse.de>
12813 PR tree-optimization/27136
12814 * tree-ssa-loop-niter.c (get_val_for): Correct function
12815 comment, assert requirements.
12816 (loop_niter_by_eval): Stop processing if the iterated
12817 value did not simplify.
12819 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
12821 * opts.c (flag_see): remove its setting at -O3.
12823 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
12825 * genpeep.c (main): Make insn-peep.c depend on flags.h.
12826 * arm/constraints.md: New file.
12827 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
12828 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
12829 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
12830 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
12831 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
12832 (EXTRA_MEMORY_CONSTRAINT): Likewise.
12833 * arm.md: Include constraints.md.
12834 (thumb_movsi_insn): Use satisfies_constraint_J.
12835 (movhi, movqi): Use satisfies_constraint_I.
12837 2006-04-29 Anatoly Sokolov <aesok@post.ru>
12839 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
12840 for atmeg a645 device.
12842 2006-05-06 Richard Guenther <rguenther@suse.de>
12844 PR tree-optimization/27151
12845 * tree-vect-transform.c (vectorizable_condition): Punt on
12846 values that have a different type than the condition.
12848 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
12851 * c-parser.c (c_parser_cast_expression): Only insert casts into
12852 hash table if pointer.
12853 * function.c (used_types_insert_helper): Rename from
12855 (used_types_insert): Call used_types_insert_helper.
12856 * function.h (used_types_insert): Accept only one argument.
12858 2006-05-05 David Edelsohn <edesohn@gnu.org>
12860 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
12861 scratch with output modifier.
12863 2006-05-04 David Edelsohn <edelsohn@gnu.org>
12866 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
12867 with output modifier.
12869 2006-05-04 Richard Sandiford <richard@codesourcery.com>
12872 * config/mips/mips.c (mips_symbolic_address_p): Return true
12873 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
12874 SYMBOL_GOTTPREL, and SYMBOL_TLS.
12876 2006-05-04 Richard Guenther <rguenther@suse.de>
12878 PR tree-optimization/14287
12879 PR tree-optimization/14844
12880 PR tree-optimization/19792
12881 PR tree-optimization/21608
12882 PR tree-optimization/27090
12883 * tree-ssa-pre.c (try_combine_conversion): New function.
12884 (compute_avail): After constructing the value-handle
12885 expression, use try_combine_conversion to combine NOP_EXPRs
12886 with previous value-handle expressions and use the result if it
12889 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
12891 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
12893 2006-05-04 Jan Hubicka <jh@suse.cz>
12895 PR middle-end/25962
12896 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
12898 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
12900 * config/bfin/predicates.md (const01_rtx): Tell generator programs
12901 that this only matches CONST_INTs. All users changed to VOIDmode
12904 * config/bfin/bfin.c: Include "optabs.h".
12905 (bfin_rtx_costs): Some costs for vector operations, to allow combine
12907 (enum bfin_builtins): Add a number of fractional and vector builtins.
12908 (bfin_init_builtins): Likewise.
12909 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
12910 (safe_vector_operand, bfin_expand_binop_builtin,
12911 bfin_expand_unop_builtin): New functions.
12912 (bfin_expand_builtin): Handle the new builtins.
12913 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
12916 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
12919 * Makefile.in (OBJS-common): Add see.o.
12920 (see.o): Add dependencies.
12921 * common.opt (fsee): New flag for the see optimization was added.
12922 * opts.c (flag_see): Initialized.
12923 * passes.c (init_optimization_passes, pass_see): New pass.
12924 * rtl.h (see_main): Declaration as extern.
12925 * timevar.def (TV_SEE): New.
12926 * tree-pass.h (pass_see): Declaration as extern.
12927 * invoke.texi (-fsee): Document.
12928 * recog.c (validate_simplify_insn): New function.
12929 * recog.h (validate_simplify_insn): Declaration as extern.
12930 * df-problems.c (df_chain_dump): Check for NULL.
12932 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
12933 Daniel Berlin <dberlin@dberlin.org>
12935 * cfgrtl.c (insert_insn_bb_end_new): New function.
12936 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
12938 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
12940 * df.h (struct web_entry): Moved from web.c.
12941 (union_defs): Declaration as extern.
12942 (unionfind_root): Likewise.
12943 (unionfind_union): Likewise.
12944 * web.c (struct web_entry): Moved to df.h.
12945 (unionfind_root): Remove static declaration.
12946 (unionfind_union): Likewise.
12947 (union_defs): Likewise and generalize to use callback function.
12948 (web_main): Update arguments for union_defs function call.
12950 2006-05-04 Richard Guenther <rguenther@suse.de>
12952 PR tree-optimization/26447
12953 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
12954 produce SSA_NAME copies before the store stmt to avoid
12955 breaking exception handling.
12957 2006-05-04 Jakub Jelinek <jakub@redhat.com>
12959 PR middle-end/27388
12960 * gimplify.c (omp_is_private): If var is shared in some outer context,
12961 return false instead of true. Stop searching on parallel context
12964 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
12967 * coverage.c: Use get_gcov_unsigned_t() instead of
12968 unsigned_type_node all over.
12970 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
12972 PR tree-optimization/27381
12973 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
12974 maintain the same immediate_use links.
12975 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
12976 node rather than segfaulting.
12978 2006-05-03 Jakub Jelinek <jakub@redhat.com>
12981 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
12982 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
12983 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
12985 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
12987 Fix PR tree-optimization/26626
12988 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
12990 * tree-ssa-operands.c (access_can_touch_variable): Allow
12991 typecasting through union pointers.
12993 2006-05-02 Jakub Jelinek <jakub@redhat.com>
12996 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
12997 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
12998 to find if var will be a global variable even in the nested context.
12999 (omp_copy_decl): Only check for global variable at the end, it might
13000 be overridden in outer contexts.
13001 (scan_sharing_clauses): For global variables don't create a field.
13002 (lower_rec_input_clauses): Do nothing for global shared variables.
13003 Emit a barrier at the end of ILIST if there were any decls in both
13004 firstprivate and lastprivate clauses.
13005 (lower_send_clauses): Do nothing for global variables except for
13008 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
13010 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
13011 of the correct signedness is returned.
13013 2006-05-02 Jeff Law <law@redhat.com>
13015 PR tree-optimization/27364
13016 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
13017 multiply expressions.
13019 2006-05-02 Tom Tromey <tromey@redhat.com>
13021 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
13023 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
13026 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
13027 -mthumb -fPIC are used.
13029 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
13030 Joshua Kinard <kumba@gentoo.org>
13033 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
13034 with 64-bit pointers.
13036 2006-05-02 Paul Brook <paul@codesourcery.com>
13038 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
13040 (create_fix_barrier): Check that a suitable barrier location is
13042 (arm_reorg): Include ftmp->address in allowable range of addresses.
13044 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
13047 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13050 2006-05-02 Jakub Jelinek <jakub@redhat.com>
13052 PR middle-end/27337
13053 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
13054 around RESULT_DECL for result passed by reference.
13055 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
13056 * omp-low.c (use_pointer_for_field): Don't look at
13057 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
13058 (scan_omp_1): Call remap_decl on RESULT_DECLs.
13059 (lower_rec_input_clauses): Don't allocate VLA memory for the second
13060 time or var for passing by reference for
13061 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
13062 TREE_ADDRESSABLE variables when passing by reference.
13064 * omp-low.c (dump_omp_region): Fix output formatting.
13066 PR middle-end/27328
13067 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
13068 (expand_omp_parallel): Likewise.
13069 * tree-cfg.c (move_sese_region_to_fn): Likewise.
13071 PR middle-end/27325
13072 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
13073 on statement list containing also constructors and destructors.
13074 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
13076 PR middle-end/27310
13077 * except.c (duplicate_eh_regions): Fix clearing of
13078 cfun->eh->region_array entries.
13080 2006-05-01 DJ Delorie <dj@redhat.com>
13082 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
13084 (gcc_cv_objdump): Likewise.
13085 * configure: Regenerated.
13087 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
13090 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
13091 templates for case 3 and 4.
13093 2006-05-01 DJ Delorie <dj@redhat.com>
13095 * vec.c: Include bconfig.h when appropriate.
13096 * Makefile.in (build/vec.o): Adjust dependencies.
13097 * mkconfig.sh: Make sure config.h isn't used for build machine
13100 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13102 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
13104 (mark_phi_for_rewrite): New function.
13105 (insert_phi_nodes_for, mark_use_interesting): Call
13106 mark_phi_for_rewrite.
13107 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
13108 (update_ssa): Initialize and free phis_to_rewrite.
13110 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13112 PR rtl-optimization/27291
13113 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
13114 folded to a constant.
13116 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13118 PR tree-optimization/27283
13119 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
13120 not whole # of iteration descriptions.
13121 (niter_for_exit): Return just # of iterations. Fail if # of iterations
13122 uses abnormal ssa name.
13123 (niter_for_single_dom_exit): Ditto.
13124 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
13125 return just the number of iterations.
13127 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
13129 PR tree-optimization/27144
13130 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
13131 (record_estimate): Only record constant upper bound.
13132 (infer_loop_bounds_from_undefined): Call
13133 compute_estimated_nb_iterations just once.
13134 (proved_non_wrapping_p): Renamed to ...
13135 (n_of_executions_at_most): ... this. Expect bound to be a constant.
13136 (convert_step_widening, scev_probably_wraps_p): Call
13137 n_of_executions_at_most instead of proved_non_wrapping_p.
13138 (substitute_in_loop_info): Do not replace values in bounds.
13139 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
13142 2006-05-01 Richard Henderson <rth@redhat.com>
13145 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
13146 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
13149 2006-05-01 Roger Sayle <roger@eyesopen.com>
13151 * c-typeck.c (parser_build_binary_op): Don't call the function
13152 unsigned_conversion_warning to spot operand/result type overflow.
13153 (build_binary_op): Instead, call convert_and_check instead of
13154 convert to report the problem when the operands are promoted.
13155 * c-common.c (unsigned_conversion_warning): Make static.
13156 * c-common.h (unsigned_conversion_warning): Delete prototype.
13158 2006-05-01 Richard Guenther <rguenther@suse.de>
13160 PR tree-optimization/26726
13161 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
13163 (find_interesting_uses_address): ... we work around here
13164 by folding INDIRECT_REFs in the substituted base.
13166 2006-05-01 Diego Novillo <dnovillo@redhat.com>
13168 * omp-low.c (dump_omp_region): Add newlines.
13170 2006-04-30 Roger Sayle <roger@eyesopen.com>
13172 * common.opt (Woverflow): New command line option.
13173 * c-common.c (constant_expression_warning): Check warn_overflow.
13174 (overflow_waring): Pass OPT_Woverflow to warning.
13175 (unsigned_conversion_warning): Likewise.
13176 (convert_and_check): Likewise.
13177 * doc/invoke.texi: Document new command line option.
13179 2006-04-30 David Edelsohn <edelsohn@gnu.org>
13181 * config/rs6000/rs6000.c (rs6000_override_options): Enable
13182 TARGET_NO_FP_IN_TOC for section anchors.
13183 (optimization_options): Enable section anchors for all
13184 non-"Objective" languages.
13186 2006-04-28 Eric Christopher <echristo@apple.com>
13188 * config/darwin-c.c (darwin_ms_struct): Move this
13189 (darwin_set_default_type_attributes): and this...
13190 * config/darwin.c: ... here.
13191 * config/darwin.h (darwin_ms_struct): Declare.
13193 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
13195 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
13197 2006-04-28 Roger Sayle <roger@eyesopen.com>
13200 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
13201 (push_array_bounds): Delete prototype. Change BOUNDS argument to
13202 an unsigned HOST_WIDE_INT.
13203 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
13205 (really_start_incremental_init): No need to call convert because
13206 bitsize_zero_node is already of type bitsizetype.
13207 (push_init_level): Extract the value of constructor_index as an
13208 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
13209 (process_init_element): Likewise.
13211 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
13213 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
13214 value before passing to make_relative_prefix.
13216 2006-04-28 Alan Modra <amodra@bigpond.net.au>
13218 PR middle-end/27260
13219 * builtins.c (expand_builtin_memset): Expand val in original mode.
13221 2006-04-27 Eric Christopher <echristo@apple.com>
13223 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
13224 with #ifndef/#endif.
13225 * config/darwin-c.c (darwin_ms_struct): New.
13226 (darwin_pragma_ms_struct): Ditto.
13227 (darwin_set_default_type_attributes): Ditto.
13228 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
13229 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
13230 Register ms_struct pragma.
13231 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
13232 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
13233 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
13234 darwin_set_default_type_attributes if TARGET_MACHO.
13236 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
13238 PR tree-optimization/26854
13239 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
13240 * doc/tree-ssa.texi: Update immuse iterator documentation.
13241 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
13242 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
13243 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
13244 first_safe_imm_use, next_safe_imm_use): Remove.
13245 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
13246 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
13247 (move_use_after_head): New. Helper function to sort immuses in a stmt.
13248 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
13249 (first_imm_use_stmt): New. Get first stmt in an immuse list.
13250 (next_imm_use_stmt): New. Get next stmt in an immuse list.
13251 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
13252 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
13253 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
13254 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
13255 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
13256 (perfect_nestify): Use new iterator.
13257 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
13259 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
13260 (next_imm_name): New field in struct immediate_use_iterator_d.
13261 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
13262 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
13263 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
13264 * tree-cfg.c (replace_uses_by): Use new iterator.
13265 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
13266 * tree-ssa-operands.c (correct_use_link): Remove.
13267 (finalize_ssa_use_ops): No longer call correct_use_link.
13269 2006-04-27 Stuart Hastings <stuart@apple.com>
13271 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
13272 * config/t-darwin (crt3.o): Use it.
13273 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
13274 'pmode', use Pmode instead of SImode for SYMBOL_REF.
13275 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
13276 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
13277 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
13280 2006-04-27 Roger Sayle <roger@eyesopen.com>
13282 * expmed.c (store_fixed_bit_field): If we're not optimizing for
13283 size, force the intermediate into a new pseudo rather instead of
13284 performing both a bitwise AND and a bitwise IOR in memory.
13286 2006-04-27 Richard Guenther <rguenther@suse.de>
13288 PR rtl-optimization/26685
13289 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
13290 this one "max-flow-memory-locations".
13292 2006-04-27 Richard Guenther <rguenther@suse.de>
13294 PR tree-optimization/25148
13295 * tree-vrp.c (compare_values): Remove code dealing with
13296 comparisons against type min/max value. Honour overflow
13297 and negative constants in code dealing with comparisons
13298 of plus and minus expressions.
13299 (value_inside_range): Use fold_binary with LE_EXPR and
13300 GE_EXPR rather than compare_values.
13302 2006-04-27 Dirk Mueller <dmueller@suse.de>
13304 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
13307 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
13309 * basic-block.h (safe_insert_insn_on_edge): Removed.
13310 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
13312 2006-04-26 David Edelsohn <edelsohn@gnu.org>
13313 Paolo Bonzini <bonzini@gnu.org>
13315 PR middle-end/27282
13316 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
13317 (simplify_and_const_int): Same.
13319 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
13321 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
13323 2006-04-26 Jakub Jelinek <jakub@redhat.com>
13326 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
13327 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
13328 cgraph_global_info_ready.
13330 PR middle-end/26913
13331 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
13334 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
13335 either decl or init is error_mark_node.
13337 PR middle-end/25989
13338 * tree-flow.h (struct omp_region): Add sched_kind.
13339 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
13340 instead of extracting omp for data.
13341 (expand_omp_for): Save extracted sched_kind.
13343 2006-04-25 Roger Sayle <roger@eyesopen.com>
13345 * expmed.c (store_bit_field): Also check whether the bitsize is
13346 valid for the machine's "insv" instruction before moving the
13347 target into a pseudo for use with the insv.
13348 * config/i386/predicates.md (const8_operand): New predicate.
13349 * config/i386/i386.md (extv, extzv, insv): Use the new
13350 const8_operand predicate where appropriate.
13352 2006-04-25 DJ Delorie <dj@redhat.com>
13354 * doc/install.texi (Specific): Clarify that this is not a list of
13355 supported hosts or targets.
13357 2006-04-25 Richard Sandiford <richard@codesourcery.com>
13359 PR rtl-optimization/26725
13360 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
13361 block's BB_DIRTY flag.
13363 2006-04-25 Geoffrey Keating <geoffk@apple.com>
13365 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
13368 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
13369 to print an integer.
13371 2006-04-25 David Edelsohn <edelsohn@gnu.org>
13373 * varasm.c (align_variable): New function.
13374 (get_block_for_decl): Apply align_variable to DECL before
13375 calculating section information.
13376 (assemble_variable): Split out alignment computation.
13378 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
13380 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
13383 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
13385 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
13386 MODE_PARTIAL_INT mode.
13387 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
13388 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
13390 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
13391 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
13393 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
13395 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
13397 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
13398 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
13399 MACFLAG_IH): Likewise.
13400 (movstricthi_1): Renamed from "*movstricthi".
13401 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
13402 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
13403 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
13404 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
13405 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
13406 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
13407 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
13408 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
13409 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
13410 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
13411 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
13412 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
13413 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
13414 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
13415 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
13417 * doc/rtl.texi (ss_ashift): Improve wording.
13419 2006-04-24 Geoffrey Keating <geoffk@apple.com>
13421 * dwarf2out.c (verify_marks_clear): New.
13422 (prune_unused_types): Call verify_marks_clear initially, not
13425 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
13427 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
13428 * doc/rtl.texi: Document them.
13429 * simplify-rtx.c (simplify_unary_operation,
13430 simplify_binary_operation_1): Don't abort when we see them.
13432 2006-04-24 Mark Mitchell <mark@codesourcery.com>
13435 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13436 * configure.ac: Completely disregard languages that are not
13438 * configure: Regenerated.
13440 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13441 Richard Guenther <rguenther@suse.de>
13443 PR tree-optimization/27236
13444 * tree-inline.c (copy_body_r): Make sure to copy
13445 TREE_THIS_VOLATILE flag.
13447 2006-04-24 Richard Guenther <rguenther@suse.de>
13449 PR middle-end/26869
13450 * tree-complex.c (update_parameter_components): Don't handle
13451 unused parameters which have no default def.
13453 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
13454 Richard Guenther <rguenther@suse.de>
13456 PR tree-optimization/27218
13457 * tree-inline.c (expand_call_inline): Strip useless type
13458 conversions for the return slot address.
13460 2006-04-24 Richard Guenther <rguenther@suse.de>
13462 * cfgloop.h (struct loops): Remove unused field array. Reorder
13464 (LOOP_PREFETCH): Remove.
13466 2006-04-24 Richard Guenther <rguenther@suse.de>
13468 PR tree-optimization/22525
13469 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
13470 variable, adjust types of generated expressions.
13472 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
13474 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
13475 (tree-vect-patterns.o): Likewise.
13476 (jump.o): Likewise.
13477 (cselib.o): Likewise.
13478 (loop-doloop.o): Likewise.
13479 (regclass.o): Likewise.
13480 (reload1.o): Likewise.
13481 (explow.o): Replace target.h with $(TARGET_H).
13482 (ipa-prop.o): Likewise.
13483 (ipa-cp.o): Likewise.
13484 (ipa-inline.o): Likewise.
13485 (reorg.o): Likewise.
13486 (reg-stack.o): Likewise.
13488 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13490 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
13492 2006-04-23 Mark Mitchell <mark@codesourcery.com>
13494 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
13496 * configure.ac: Completely disregard languages that are not
13498 * configure: Regenerated.
13501 * c-common.h (c_build_bitfield_integer_type): Declare.
13502 * c-decl.c (c_build_bitfield_integer_type): Move to ...
13503 * c-common.c (c_build_bitfield_integer_type): ... here.
13505 2006-04-23 Roger Sayle <roger@eyesopen.com>
13508 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
13509 a SImode SUBREG of a floating point register after no_new_pseudos.
13511 2006-04-23 Roger Sayle <roger@eyesopen.com>
13513 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
13514 identify potentially eliminable registers to additionally catch
13515 VIRTUAL_INCOMING_ARGS_REGNUM.
13516 (addsi3): Update the conditions on when to use addsi_small_int.
13518 2006-04-23 Roger Sayle <roger@eyesopen.com>
13521 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
13522 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
13523 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
13525 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
13527 * fold-const.c (range_predecessor): Use operand_equal_p
13528 as the predicate for equality.
13529 (range_successor): Likewise.
13531 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13534 * config/soft-fp/op-common.h: Fix a typo.
13536 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
13538 PR libmudflap/26864
13539 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
13540 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
13542 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
13544 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
13546 * doc/tm.texi: Fix a typo.
13548 2006-04-21 Geoffrey Keating <geoffk@apple.com>
13550 * dwarf2out.c (struct die_struct): Document that die_sib makes
13551 a circular linked list.
13552 (FOR_EACH_CHILD): New.
13553 (reverse_die_lists): Delete.
13554 (reverse_all_dies): Delete.
13555 (add_dwarf_attr): Correct documentation.
13556 (remove_child_with_prev): New.
13557 (remove_child_TAG): Update for change to die_struct, use
13558 remove_child_with_prev.
13559 (add_child_die): Update for change to die_struct.
13560 (splice_child_die): Use remove_child_with_prev and add_child_die.
13561 (print_die): Use FOR_EACH_CHILD.
13562 (die_checksum): Likewise.
13563 (assign_symbol_names): Likewise.
13564 (output_location_lists): Likewise.
13565 (build_abbrev_table): Likewise.
13566 (calc_die_sizes): Likewise.
13567 (mark_dies): Likewise.
13568 (unmark_dies): Likewise.
13569 (unmark_all_dies): Likewise.
13570 (output_die): Likewise.
13571 (prune_unused_types_mark): Likewise.
13572 (prune_unused_types_walk): Likewise.
13573 (same_die_p): Update for change to die_struct.
13574 (break_out_includes): Likewise.
13575 (prune_unused_types_prune): Likewise.
13576 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
13577 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
13578 it's already clear.
13579 (dwarf2out_finish): Don't call reverse_all_dies.
13581 2006-04-21 Eric Christopher <echristo@apple.com>
13583 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
13584 in comments and function names.
13586 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13589 * c-typeck.c (digest_init): Robustify.
13591 * c-typeck.c (pop_init_level): Simplify.
13593 2006-04-21 Steve Ellcey <sje@cup.hp.com>
13595 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
13597 2006-04-21 Paul Brook <paul@codesourcery.com>
13599 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
13600 hardware floating point.
13602 2006-04-21 David Edelsohn <edelsohn@gnu.org>
13604 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
13607 2006-04-21 Nick Clifton <nickc@redhat.com>
13609 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
13612 2006-04-21 Alan Modra <amodra@bigpond.net.au>
13615 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
13616 C++ lang type in traceback table for Objective-C++.
13618 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
13620 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
13622 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
13624 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
13627 * tree-mudflap.c (mudflap_finish_file): Skip function when there
13628 were errors. Remove check for erroneous objects.
13630 2006-04-20 Jeff Law <law@redhat.com>
13632 PR tree-optimization/26854
13633 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
13634 checking for zero or one use.
13635 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
13636 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
13637 * tree-ssa-reassoc.c (negate_value): Similarly.
13638 (reassociate_bb): Similarly.
13640 2006-04-20 Jakub Jelinek <jakub@redhat.com>
13643 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
13644 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
13645 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
13647 2006-04-20 Alan Modra <amodra@bigpond.net.au>
13649 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
13650 fp regs if the last fp arg doesn't fit in regs.
13652 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
13655 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
13656 that the last insn has the REG_INC note.
13658 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
13659 Nathan Sidwell <nathan@codesourcery.com>
13662 * stor-layout.c (update_alignment_for_field): Do not align
13664 (place_union_field): Place union field at the start of the union.
13665 (place_field): Move ERROR_MARK check later, and use the current
13666 allocation position to maintain monotonicity.
13668 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
13670 * dominance.c: Include timevar.h.
13671 (calculate_dominance_info): Use TV_DOMINANCE.
13672 * timevar.def (TV_DOMINANCE): New timevar.
13673 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
13675 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13677 PR rtl-optimization/14261
13678 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
13679 move would be an INSV insn.
13680 (noce_process_if_block): Don't optimize if the destination is a
13681 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
13683 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
13685 * config/s390/s390.md: Add comments with the instructions emitted
13686 by an insn pattern if macros are used.
13688 2006-04-19 Alan Modra <amodra@bigpond.net.au>
13690 PR rtl-optimization/26026
13691 * fold-const.c (fold_binary): Optimize div and mod where the divisor
13692 is a known power of two shifted left a variable amount.
13694 2006-04-18 Geoffrey Keating <geoffk@apple.com>
13696 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
13697 to hash table twice when the debug_str section has SECTION_MERGE.
13699 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
13701 * config/soft-fp: New directory. From glibc.
13702 * config/soft-fp/t-softfp: New.
13703 * config/soft-fp/README: New.
13704 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
13705 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
13706 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
13707 (LIBGCC_DEPS): Add $(SFP_MACHINE).
13708 * config.gcc: Use rs6000/t-fprules-fpbit or
13709 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
13711 * config/rs6000/sfp-machine.h: New. Based on glibc.
13712 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
13714 * config/rs6000/t-fprules: Remove fp-bit rules.
13715 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
13716 * config/rs6000/t-linux64: Likewise. Remove duplicates from
13717 LIB2FUNCS_EXTRA. Remove fp-bit rules.
13718 (softfp_wrap_start, softfp_wrap_end): New.
13720 2006-04-18 DJ Delorie <dj@redhat.com>
13722 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
13724 2006-04-18 Devang Patel <dpatel@apple.com>
13726 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
13728 2006-04-18 Nick Clifton <nickc@redhat.com>
13730 * config/sh/t-symbian: Add rule to build sh-c.o
13731 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
13732 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
13733 (sh_symbian_encode_section_info): Likewise.
13735 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
13737 * builtins.c (expand_builtin_strcmp): Cover label definition of
13738 do_libcall with HAVE_cmpstrnsi.
13740 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
13742 * function.c (temp_slots_at_level, max_slot_level): Use VEC
13744 * function.h (temp_slot_p): New.
13745 (function): Change the type of x_used_temp_slots to
13746 VEC(temp_slot_p,gc) *.
13748 2006-04-18 Nick Clifton <nickc@redhat.com>
13750 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
13751 flag_strength_reduce.
13753 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
13755 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13759 Partial revert of revision 112637
13760 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
13761 Dale Johannesen <dalej@apple.com>
13764 * regclass.c (struct reg_pref): Update documentation.
13765 (regclass): Set prefclass to NO_REGS if memory is the best option.
13766 (record_reg_classes): Cope with a prefclass set to NO_REGS.
13768 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
13770 PR tree-optimization/26821
13771 * tree-ssa-math-opts.c (get_constant_one): New.
13772 (insert_reciprocals): Use it.
13774 2006-04-17 Geoffrey Keating <geoffk@apple.com>
13776 * dwarf2out.c (free_AT): Delete.
13777 (remove_AT): Update string ref counts.
13778 (remove_child_TAG): Don't call free_die.
13779 (free_die): Delete.
13780 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
13781 or DW_TAG_GNU_EINCL.
13782 (prune_unused_types_walk_attribs): Reset string refcounts.
13783 (prune_unused_types_update_strings): New.
13784 (prune_unused_types_prune): Don't make unnecessary stores. Don't
13785 call free_die. Do call prune_unused_types_update_strings.
13786 (prune_unused_types): Empty debug_str_hash.
13788 2006-04-17 Roger Sayle <roger@eyesopen.com>
13790 * expr.c (expand_assignment): Optimize away no-op moves where the
13791 source and destination are equal and have no side-effects.
13793 2006-04-17 Richard Guenther <rguenther@suse.de>
13796 * reload.c (push_reload): Guard calls to get_secondary_mem
13797 for memory subregs.
13799 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
13801 * alias.c (reg_base_value, old_reg_base_value): Change the
13802 type to VEC(rtx,gc) *.
13803 (REG_BASE_VALUE, find_base_value, record_set,
13804 init_alias_analysis): Use VEC instead of VARRAY.
13806 * alias.c (alias_sets): Change the type to
13807 VEC(alias_set_entry,gc) *.
13808 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
13809 VEC instead of VARRAY.
13810 (last_alias_set): Remove.
13812 * cgraph.h (cgraph_edge_p): New.
13813 Update the prototype of cgraph_function_versioning.
13814 * cgraphunit.c (cgraph_copy_node_for_versioning,
13815 cgraph_function_versioning): Use VEC instead of VARRAY.
13816 * ipa-cp.c (ipcp_insert_stage): Likewise.
13818 2006-04-16 Roger Sayle <roger@eyesopen.com>
13821 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
13822 "A op B" or "A op C", we may need to convert A to the type of B and C.
13824 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
13826 * target.h (struct gcc_target): Add mode_rep_extended.
13827 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
13828 (init_num_sign_bit_copies_in_rep): Initialize it using
13830 (truncate_to_mode): Use it.
13831 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
13832 * targhooks.h (default_mode_rep_extended): Declare it.
13833 * targhooks.c (default_mode_rep_extended): Define it.
13834 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
13835 default_mode_rep_extended.
13836 (TARGET_INITIALIZER): Include it.
13837 * doc/tm.texi (Misc): Document it.
13838 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
13839 (mips_truncated_to_mode): New function.
13841 2006-04-16 Roger Sayle <roger@eyesopen.com>
13843 PR middle-end/25474
13844 * expr.c (compress_float_constant): Copy the narrow constant into
13845 a new pseudo before extending it to its final width.
13847 2006-04-16 Roger Sayle <roger@eyesopen.com>
13848 Andrew Pinski <pinskia@gcc.gnu.org>
13849 Dale Johannesen <dalej@apple.com>
13852 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
13853 special case code to implement V8HImode and V16QImode with SSE2.
13855 2006-04-15 Roger Sayle <roger@eyesopen.com>
13857 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
13858 trees are constructed with a suitable tree type.
13860 2006-04-15 Roger Sayle <roger@eyesopen.com>
13862 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
13863 (integer_onep): Likewise.
13864 (integer_all_onesp): Likewise.
13865 (integer_pow2p): Likewise.
13866 (integer_nonzerop): Likewise.
13867 (real_zerop): Likewise.
13868 (real_onep): Likewise.
13869 (real_twop): Likewise.
13870 (real_minus_onep): Likewise.
13871 (int_size_in_bytes): Likewise.
13872 (host_integerp): Likewise.
13874 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
13876 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
13877 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
13878 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
13880 * tree-ssa-structalias.h (alias_info): Remove num_references.
13882 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13884 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
13885 (output_bvb patterns): Likewise.
13886 * pa.c (output_bb): Use 'bb' insn for long branch case.
13887 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
13888 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
13889 1. Correct length operand for alternatives 1 and 2.
13890 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
13891 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
13893 2006-04-14 Roger Sayle <roger@eyesopen.com>
13895 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
13896 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
13897 were accidentally reverted by r112959.
13899 2006-04-15 Jakub Jelinek <jakub@redhat.com>
13901 PR middle-end/26823
13902 * except.h (eh_region_outermost): New prototype.
13903 * except.c (eh_region_outermost): New function.
13904 * tree-cfg.c (find_outermost_region_in_block): Use it.
13906 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13908 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
13910 * reload1.c (reg_equiv_memory_loc_varray): Rename to
13911 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
13912 (init_reload, reload): Use VEC instead of VARRAY.
13913 * reload.h: Update the prototype for
13914 reg_equiv_memory_loc_varray.
13916 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
13917 Eric Botcazou <ebotcazou@libertysurf.fr>
13919 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
13920 register save area.
13922 2005-04-13 Uros Bizjak <uros@kss-loka.si>
13924 PR middle-end/27134
13925 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
13926 to expand fallback builtin function call.
13928 2006-04-14 Alan Modra <amodra@bigpond.net.au>
13930 PR middle-end/27095
13931 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
13932 and emit libcall here in case the builtin fails.
13933 (expand_builtin_strcmp): Always emit the libcall here on failure.
13935 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
13937 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
13938 * flow.c (reg_n_info): Change the type to
13939 VEC(reg_info_p,heap) *.
13940 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
13942 * regs.h (reg_info_p): New.
13943 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
13944 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
13945 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
13948 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
13950 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
13952 * params.h (MAX_SCHED_READY_INSNS): New macro.
13953 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
13954 past MAX_SCHED_READY_INSNS during the first scheduling pass.
13955 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
13956 the ready list for 1 cycle during the first scheduling pass.
13957 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
13959 2006-04-13 Richard Henderson <rth@redhat.com>
13962 * gimple-low.c (lower_omp_directive): Remove dead code.
13963 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
13964 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
13965 * omp-low.c (struct omp_region): Move to tree-flow.h.
13966 (root_omp_region): Export.
13967 (omp_regions, lookup_omp_region): Remove.
13968 (determine_parallel_type): Update for struct omp_region changes.
13969 (dump_omp_region): Dump regions with block numbers.
13970 (new_omp_region): Take type and block instead of stmt; malloc
13972 (free_omp_region_1, free_omp_regions): New.
13973 (expand_parallel_call): Take entry_stmt as argument; update for
13974 changes to omp_region.
13975 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
13976 (remove_exit_barriers): New.
13977 (expand_omp_parallel): Update for struct omp_region changes.
13978 (expand_omp_synch): Likewise.
13979 (expand_omp): Likewise.
13980 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
13981 (expand_omp_for_static_chunk): Likewise.
13982 (expand_omp_for): Likewise.
13983 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
13984 (expand_omp_sections): Similarly, with GOMP_sections_end.
13985 (expand_omp_single): New.
13986 (build_omp_regions_1): Update for OMP_CONTINUE.
13987 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
13988 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
13989 OMP_SECTIONS_SECTIONS.
13990 (lower_omp_single_simple): Don't emit barrier here.
13991 (lower_omp_single_copy): Likewise.
13992 (lower_omp_single): Fix bindings, and lower to straightline now.
13993 (lower_omp_master, lower_omp_ordered): Likewise.
13994 (lower_omp_critical): Likewise.
13995 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
13996 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
13997 omp edges, free it afterward.
13998 (make_omp_sections_edges): Remove.
13999 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
14000 (move_stmt_r): Handle OMP_CONTINUE.
14001 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
14002 statement pointers to basic blocks. Add type member.
14003 (root_omp_region, new_omp_region, free_omp_regions): Declare.
14004 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
14005 * tree-inline.c (estimate_num_insns_1): Likewise.
14006 * tree-pretty-print.c (dump_generic_node): Likewise.
14007 * tree-ssa-operands.c (get_expr_operands): Likewise.
14008 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
14009 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
14010 (OMP_CONTINUE): New.
14011 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
14012 (OMP_SECTIONS_SECTIONS): Remove.
14013 (OMP_SECTION_LAST): New.
14014 (OMP_RETURN_NOWAIT): New.
14016 2006-04-13 Roger Sayle <roger@eyesopen.com>
14018 * fold-const.c (native_encode_vector, native_interpret_real):
14019 Correct obvious mistakes in the previous check-in.
14021 2006-04-13 Roger Sayle <roger@eyesopen.com>
14023 * fold-const.c (native_encode_expr): New function to encode
14024 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
14025 or VECTOR_CST into a specified buffer.
14026 (native_encode_int): New function.
14027 (native_encode_real): New function.
14028 (native_encode_complex): New function.
14029 (native_encode_vector): New function.
14030 (native_interpret_expr): Inverse of native_encode_expr to convert
14031 a target representation into an INTEGER_CST, REAL_CST etc...
14032 (native_interpret_int): New function.
14033 (native_interpret_real): New function.
14034 (native_interpret_complex): New function.
14035 (native_interpret_vector): New function.
14036 (fold_view_convert_expr): New function to constant fold/evaluate
14037 a VIEW_CONVERT_EXPR of a suitable constant expression.
14038 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
14039 Change call of build1 to fold_build1 when constructing a
14042 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
14043 Ulrich Weigand <uweigand@de.ibm.com>
14046 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
14049 2006-04-13 Alan Modra <amodra@bigpond.net.au>
14052 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
14053 optimize to lo_sum for DFmode if !TARGET_FPRS.
14055 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14057 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
14058 delete_alias_info, compute_flow_sensitive_aliasing,
14059 group_aliases): Use VEC instead of VARRAY.
14060 * tree-ssa-structalias.c (update_alias_info): Likewise.
14061 * tree-ssa-structalias.h (alias_info): Change the type of
14062 processed_ptrs to VEC(tree,heap) *.
14064 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
14067 * config/sh/lib1funcs.h: New file, broken out of:
14068 * config/sh/lib1funcs.asm.
14069 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
14071 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
14072 * config/sh/lib1funcs-Os-4-200.asm: New file.
14073 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
14074 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
14075 (EXTRA_MULTILIB_PARTS): Include it.
14076 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
14077 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
14078 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
14079 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
14082 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
14084 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
14085 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
14086 tpa_compact, root_var_init, type_var_init): Use VEC instead of
14088 * tree-ssa-live.h: Include vecprim.h.
14089 (tree_partition_associator_d): Change the type of
14090 first_partition to VEC(int,heap) *.
14091 (tpa_first_partition): Use VEC instead of VARRAY.
14093 * Makefile.in (GTFILES): Move functions.h after tree.h.
14094 * function.c (reset_block_changes, record_block_change,
14095 check_block_change, free_block_changes): Use VEC instead of
14097 * function.h (function): Change the type of
14098 ib_boundaries_block to VEC(tree,gc) *.
14099 * tree-inline.c (copy_cfg_body): Initialize
14100 ib_boundaries_block to NULL instead of (varray_type) 0.
14102 2006-04-12 Roger Sayle <roger@eyesopen.com>
14104 * expr.c (emit_group_store): Correct operand order in call to
14105 subreg_lowpart_offset. Always create paradoxical SUBREGs with
14106 a SUBREG_BYTE of zero.
14108 2006-04-12 Richard Guenther <rguenther@suse.de>
14110 * profile.c (compute_branch_probabilities): Remove code
14111 encapsulated in !ir_type (), which are remanents of the
14112 removed RTL profiling code.
14113 * rtl-profile.c: Remove.
14115 2006-04-12 Alan Modra <amodra@bigpond.net.au>
14117 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
14118 magic NULL_RTX comment.
14119 (function_arg): Store entire fp arg to mem if any part should go
14121 (rs6000_arg_partial_bytes): Adjust for above change.
14123 2006-04-11 Roger Sayle <roger@eyesopen.com>
14125 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
14126 if it hasn't been initialized by dwarf2out_init.
14128 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
14130 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
14131 symbolic constants in branch patterns.
14133 2006-04-11 Roger Sayle <roger@eyesopen.com>
14135 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
14137 2006-04-11 Richard Sandiford <richard@codesourcery.com>
14139 PR rtl-optimization/27073
14140 * gcse.c (try_replace_reg): Revert last change. Continue to search
14141 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
14144 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
14146 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
14147 aggregate types other than record and union types.
14148 (function_arg): Likewise.
14149 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
14151 (function_value): In 64-bit mode, return objects that require it
14154 2006-04-11 Roger Sayle <roger@eyesopen.com>
14156 * dwarf2out.c (premark_used_types): Remove problematic prototype.
14158 2006-04-11 Jakub Jelinek <jakub@redhat.com>
14160 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
14162 2006-04-03 Jeff Law <law@redhat.com>
14165 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
14166 alias information too.
14168 2006-04-10 Mike Frysinger <vapier@gentoo.org>
14170 * Makefile.in (gcc-cross): Add $(exeext) to target name.
14172 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
14175 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
14176 (premark_used_types_helper): New.
14177 (premark_used_types): New.
14178 (gen_subprogram_die): Call premark_used_types.
14179 (prune_unused_types_walk): Do not prune perennial dies.
14180 * function.c (used_types_insert): New.
14181 * function.h (struct function): Add used_types_hash field.
14182 (used_types_insert): Add prototype.
14183 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
14184 * c-parser.c (c_parser_cast_expression): Save casted types in used
14187 2006-04-11 Mark Mitchell <mark@codesourcery.com>
14190 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
14191 rs6000_explicit_options.float_gprs.
14193 2006-04-10 Roger Sayle <roger@eyesopen.com>
14195 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
14196 from ix86_expand_vector_init_low_nonzero. Take an additional
14197 one_var argument indicating which element is non-zero. Support
14198 one_var != 0 for V4SFmode and V4SImode by permuting the result.
14199 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
14200 with one_var instead of ix86_expand_vector_init_low_nonzero.
14202 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
14204 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
14205 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
14206 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
14207 build/genextract.o): Depend on vecprim.h.
14208 * cfglayout.c, df-problems.c, function.c, genextract.c,
14209 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
14210 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
14214 2006-04-10 Geoffrey Keating <geoffk@apple.com>
14216 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
14217 Declare VECs of this type.
14218 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
14219 (remove_children): Delete.
14220 (add_dwarf_attr): Use VEC routines.
14221 (add_AT_flag): Update for changes to add_dwarf_attr.
14222 (add_AT_int): Likewise.
14223 (add_AT_unsigned): Likewise.
14224 (add_AT_long_long): Likewise.
14225 (add_AT_vec): Likewise.
14226 (add_AT_string): Likewise.
14227 (add_AT_die_ref): Likewise.
14228 (add_AT_fde_ref): Likewise.
14229 (add_AT_loc): Likewise.
14230 (add_AT_loc_list): Likewise.
14231 (add_AT_addr): Likewise.
14232 (add_AT_lbl_id): Likewise.
14233 (add_AT_lineptr): Likewise.
14234 (add_AT_macptr): Likewise.
14235 (add_AT_offset): Likewise.
14236 (add_AT_range_list): Likewise.
14237 (get_AT): Use VEC_iterate.
14238 (remove_AT): Use VEC_ordered_remove.
14239 (free_die): Fold remove_children into here; have it use VEC_iterate.
14240 (print_die): Use VEC_iterate on attrs.
14241 (reverse_die_lists): Don't reverse attr lists.
14242 (die_checksum): Use VEC_iterate on attrs.
14243 (same_die_p): Likewise.
14244 (output_location_lists): Likewise.
14245 (build_abbrev_table): Likewise.
14246 (size_of_die): Likewise.
14247 (unmark_all_dies): Likewise.
14248 (output_abbrev_section): Likewise.
14249 (output_die): Likewise.
14250 (prune_unused_types_walk_attribs): Likewise.
14252 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14254 * doc/install.texi (*-*-solaris2*): Point to the configure page.
14256 2006-04-10 Jakub Jelinek <jakub@redhat.com>
14259 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
14261 2006-04-09 Roger Sayle <roger@eyesopen.com>
14263 * expr.c (store_constructor): Don't bother clearing target if
14264 we're about to assign a vector to it using vec_init_optab.
14266 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
14268 * tree-ssa-alias.c (lhs_may_store_to): New function.
14269 (recalculate_used_alone): Handle LHS of calls.
14271 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14275 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
14276 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
14277 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
14278 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
14279 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
14280 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
14281 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
14282 stubs. Add ".align 8" directives before all ".dword" directives.
14283 (GTHREAD_USE_WEAK): Revise comment.
14284 (TARGET_ATTRIBUTE_WEAK): Define.
14285 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
14286 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
14287 * stublib.c: New file.
14292 * pa.md (cbranch patterns): Revise arguments used in calls to
14293 output_cbranch, output_bb and output_bvd. Add long branch length
14295 (fbranch patterns): Handle long branches.
14296 (jump): Revise length check. Revise arguments for output_lbranch call.
14297 Add long branch length attributes.
14298 (decrement_and_branch_until_zero): Add long branch length attributes.
14299 (output_movb, output_parallel_addb and output_parallel_movb patterns):
14300 Likewise. Revise arguments for output_parallel_addb and
14301 output_parallel_movb calls.
14302 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
14303 output_parallel_movb and output_parallel_addb): Update prototypes.
14304 * pa.c (output_cbranch): Revise arguments. Correct handling of
14305 nullification in long branches.
14306 (output_lbranch): Add new argument to control extraction of delay
14308 (output_bb): Handle long branches.
14309 (output_bvb, output_dbra, output_movb, output_parallel_movb,
14310 output_parallel_addb): Likewise.
14312 2006-04-09 Richard Sandiford <richard@codesourcery.com>
14314 PR rtl-optimization/27073
14315 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
14318 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
14320 * tree.h (tree_memory_tag): Add old_used_alone.
14321 (SMT_OLD_USED_ALONE): New macro.
14322 * tree-ssa-alias.c (recalculate_used_alone): Stop
14323 marking things for renaming unnecessarily.
14325 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
14327 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
14328 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
14329 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
14330 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
14331 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
14332 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
14333 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
14334 spelling convensions.
14335 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
14336 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
14337 typos. Follow spelling conventions.
14339 2006-04-07 DJ Delorie <dj@redhat.com>
14341 * config/m32c/m32c.c (m32c_function_arg): Structures are always
14342 passed on the stack.
14343 (m32c_init_cumulative_args): When a function returns a structure,
14344 always pass the pointer to that return area on the stack.
14345 (m32c_function_arg_advance): Don't increment the parameter number
14346 if we're processing the returned structure pointer.
14347 (pushm_info): Reverse order of registers.
14349 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
14351 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
14352 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14353 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
14354 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
14355 build_int_cst_type.
14356 * tree-chrec.c (chrec_fold_multiply_poly_poly,
14357 chrec_fold_multiply): Same.
14358 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
14359 force_expr_to_var_cost): Same.
14360 * tree-mudflap.c (mf_xform_derefs_1): Same.
14361 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
14363 2006-04-07 David Edelsohn <edelsohn@gnu.org>
14365 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
14366 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
14369 2006-04-07 Jan Hubicka <jh@suse.cz>
14371 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
14373 2006-04-07 Richard Guenther <rguenther@suse.de>
14375 PR tree-optimization/26135
14376 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
14377 loads for store copy-prop.
14378 (copy_prop_visit_stmt): Likewise.
14380 2006-04-05 Robert Millan <robertmh@gnu.org>
14382 * config/i386/linux.h: Add a comment to mark macros that are
14383 being overriden in config/k*bsd-gnu.h.
14384 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
14386 * config/knetbsd-gnu.h: Ditto.
14388 2006-04-06 Jan Hubicka <jh@suse.cz>
14392 * coverage.c (coverage_checksum_string): Reorganize loop to not read
14395 2006-04-06 Mike Stump <mrs@apple.com>
14397 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
14398 for HAVE_nonlocal_goto to be consistent.
14399 (expand_builtin_nonlocal_goto): Likewise.
14400 (expand_builtin_strcmp): Use #ifdef instead of #if
14401 for HAVE_cmpstrnsi to be consistent.
14403 2006-04-05 DJ Delorie <dj@redhat.com>
14405 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
14408 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
14410 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
14411 got-relative addressing for anything but SImode.
14413 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
14414 even if the calling function doesn't modify them.
14416 2006-04-05 Richard Guenther <rguenther@suse.de>
14418 PR tree-optimization/26919
14419 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
14420 to cgraph_estimate_size_after_inlining.
14422 2006-04-05 Alan Modra <amodra@bigpond.net.au>
14424 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
14426 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
14428 PR tree-optimization/26996
14429 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
14430 VECTOR_TYPE variables.
14432 2006-04-05 Richard Guenther <rguenther@suse.de>
14434 PR tree-optimization/26763
14435 * fold-const.c (fold_comparison): Move folding of
14436 PTR + CST CMP PTR + CST ...
14437 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
14439 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
14441 * doc/install.texi (Prerequisites): Refine some wording on
14442 bootstrapping and ksh.
14443 Move the version numbers of DejaGnu here from the testing section
14444 and fix casing of names.
14445 Fix markup and clarify wording for autogen requirements.
14446 Refer to GCJ instead of just java.
14447 Refer to SVN instead of CVS.
14448 Describe diffutils as useful instead of necessary.
14449 (Downloading the source): Refer to SVN instead of CVS.
14450 Adjust a link to our web site accordingly.
14451 (Configuration): Fix casing of Bison.
14452 (Building): Refer to SVN instead of CVS.
14453 Fix a sentence on the use of Bison and remove duplicate (and
14454 incorrect) version number of Bison requirement.
14455 Remove one redundant list of packages needed for building.
14456 (Specific): Avoid reference to CVS.
14458 2006-04-04 Eric Christopher <echristo@apple.com>
14460 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
14461 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
14462 (rs6000_handle_struct_attribute): New.
14463 (rs6000_ms_bitfield_layout_p): Ditto.
14465 2006-04-04 Geoffrey Keating <geoffk@apple.com>
14467 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
14468 NULL for dso parameter to atexit_common.
14470 2006-04-04 Eric Christopher <echristo@apple.com>
14472 * config/i386/i386.c (machopic_output_stub): Output \t
14473 between instructions and operands.
14475 2006-04-04 David Edelsohn <edelsohn@gnu.org>
14477 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
14478 satisfies_constraint_[IL] to explicit tests on value.
14480 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
14482 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14483 set_nb_iterations_in_loop): Use build_int_cst instead of
14484 build_int_cst_type.
14485 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
14486 build_int_cst instead of convert.
14488 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
14490 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
14491 new value 2 for incoming.
14492 * function.c (expand_function_start): Call struct_value_rtx
14493 with incoming as 2.
14494 * config/sparc/sparc.md: Comment updated_return.
14495 * config/sparc/sparc.opt: Add -mstd-struct-return option.
14496 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
14497 struct return if sparc_std_struct_return and incoming is 2.
14498 (print_operand): Do not adjust return if
14499 sparc_std_struct_return.
14501 2006-04-04 Roger Sayle <roger@eyesopen.com>
14503 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
14504 convert in the middle-end.
14505 * expr.c (store_expr, store_constructor, get_inner_reference,
14506 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
14508 * tree.c (build_range_type): Likewise.
14510 2006-04-04 Tom Tromey <tromey@redhat.com>
14512 * doc/install.texi (Prerequisites): Mention jar.
14514 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
14516 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
14519 2006-04-04 Matthias Klose <doko@debian.org>
14521 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
14525 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
14528 2006-04-03 Geoffrey Keating <geoffk@apple.com>
14530 * doc/extend.texi (Function Attributes): Rewrite visibility
14531 attribute documentation.
14532 * doc/invoke.texi (C++ Dialect Options): Rewrite
14533 -fvisibility-inlines-hidden documentation to describe something
14534 entirely different, although in practise compatible.
14535 (Code Gen Options): Warn about system headers in -fvisibility=
14538 * doc/extend.texi (Other Builtins): Document that
14539 __builtin_nan is a compile-time constant only when its argument
14542 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
14544 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
14545 trying to remove TRUNCATE check if all bits outside the new mode
14546 are identical to the sign bit.
14548 2006-04-03 Jeff Law <law@redhat.com>
14550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
14551 and operand scanning in some common cases.
14553 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
14554 Dale Johannesen <dalej@apple.com>
14557 * regclass.c (struct reg_pref): Update documentation.
14558 (regclass): Set prefclass to NO_REGS if memory is the best option.
14559 (record_reg_classes): Cope with a prefclass set to NO_REGS.
14560 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
14561 into account. For non-registers, equate an empty preferred
14562 reload class to a `!' in the constraint; move the if clause to
14563 do so after those that reject the insn.
14564 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
14566 (find_dummy_reload): Likewise.
14567 * doc/tm.texi (Register Classes): Document what it means
14568 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
14569 * config/i386/i386.c (ix86_preferred_reload_class): Force
14570 using SSE registers (and return NO_REGS for floating-point
14571 constants) if math is done with SSE.
14572 (ix86_preferred_output_reload_class): New.
14573 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
14574 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
14575 * config/i386/i386.md: Remove # register preferences.
14577 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14580 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
14581 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
14582 the type of nb_iter.
14583 (instantiate_parameters_1): Convert the operands before calling
14584 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
14585 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
14587 2006-04-02 Roger Sayle <roger@eyesopen.com>
14589 * builtins.c (dummy_object): Use build_int_cst instead of convert.
14590 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
14591 instead of convert.
14592 * dojump.c (do_jump): Likewise.
14593 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
14594 * gimplify.c (gimple_boolify, gimplify_init_constructor,
14595 gimplify_boolean_expr): Likewise.
14596 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
14597 * varasm.c (array_size_for_constructor): Likewise.
14598 * tree-object-size.c (compute_object_offset): Likewise.
14600 2006-04-02 Roger Sayle <roger@eyesopen.com>
14602 PR middle-end/26977
14603 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
14604 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
14606 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14608 PR tree-optimization/26939
14609 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
14611 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14613 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
14614 at_stmt. Convert the type of operands before calling
14615 build_polynomial_chrec.
14616 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
14617 add_to_evolution_1.
14618 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
14619 (instantiate_parameters_1): Convert the type of operands before calling
14620 build_polynomial_chrec.
14621 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
14622 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
14623 reset_evolution_in_loop): Insert asserts to check the types of the
14625 (chrec_type): Moved...
14626 (eq_evolutions_p): Use operand_equal_p.
14627 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
14628 the types of the operands.
14629 (chrec_type): ...here.
14630 * tree-data-ref.c (create_data_ref): Convert the operands before
14631 calling chrec_replace_initial_condition.
14632 (same_access_functions, analyze_subscript_affine_affine,
14633 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
14634 (compute_subscript_distance, analyze_ziv_subscript,
14635 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
14636 analyze_miv_subscript): Convert the operands before calling
14637 chrec_fold_minus or chrec_fold_plus.
14639 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
14641 * tree-data-ref.c (compute_all_dependences): Use a pointer to
14642 the dependence_relations vector.
14643 (compute_data_dependences_for_loop): Adjust call to
14644 compute_all_dependences.
14646 2006-04-01 Roger Sayle <roger@eyesopen.com>
14647 Richard Henderson <rth@redhat.com>
14649 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
14650 gimple_boolify on the condition before calling gimplify_expr.
14652 2006-03-31 Bob Wilson <bob.wilson@acm.org>
14654 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
14655 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
14656 the frame size. Update to use the new macros.
14657 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
14658 * config/xtensa/ieee754-df.S: Likewise.
14660 2006-03-31 Richard Henderson <rth@redhat.com>
14662 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
14663 (make_edges): ... here. Control fallthru creation with a local
14664 variable. Do not play with fake edges.
14665 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
14666 (make_goto_expr_edges): Don't play with fake edges. Make for_call
14669 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
14671 * dwarf2.h (DW64_CIE_ID): Define.
14672 * dwarf2out.c (DWARF_CIE_ID): Define.
14673 (output_call_frame_info): Output 0xffffffff before standard 8-byte
14674 length header. Use DWARF_CIE_ID.
14675 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
14676 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
14678 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
14680 * config/sh/linux-atomic.asm: New file.
14681 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
14683 2006-03-31 DJ Delorie <dj@redhat.com>
14685 * config/m32c/cond.md: Set condition flags properly throughout.
14686 * config/m32c/minmax.md: Likewise.
14687 * config/m32c/prologue.md: Likewise.
14688 * config/m32c/bitops.md: Likewise.
14689 * config/m32c/muldiv.md: Likewise.
14690 * config/m32c/mov.md: Likewise.
14691 * config/m32c/addsub.md: Likewise.
14692 * config/m32c/m32c.md: Likewise.
14693 * config/m32c/jump.md: Likewise.
14694 * config/m32c/shift.md: Likewise.
14696 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
14697 conditionally output the pattern for this.
14698 * config/m32c/m32c.c (flags_needed_for_conditional): New.
14699 (m32c_compare_redundant): New.
14700 (m32c_output_compare): New.
14701 * config/m32c/m32c-protos.h (m32c_output_compare): New.
14703 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
14704 dest, not src. Allow other 4-byte modes.
14706 2006-03-30 Denis Chertykov <denisc@overta.ru>
14708 * doc/md.texi: Refer to avr/constraints.md instead of
14711 2006-03-30 Roger Sayle <roger@eyesopen.com>
14713 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
14714 signed vs. unsigned comparison failures on some hosts.
14716 2006-03-31 Alan Modra <amodra@bigpond.net.au>
14719 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
14720 change to FLOAT_REGS.
14722 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
14723 (rs6000_override_options): Use it.
14724 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
14725 only for -mabi=spe/no-spe and -mabi=altivec.
14727 2006-03-30 Geoffrey Keating <geoffk@apple.com>
14729 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
14732 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
14734 * Makefile.in: Rename docdir to gcc_docdir.
14736 2006-03-30 Roger Sayle <roger@eyesopen.com>
14739 * expr.c (emit_group_store): Optimize group stores into a pseudo
14740 register by using a paradoxical subreg to initialize the destination
14741 if the first or last member of the group specifies a "low part".
14743 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14746 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
14747 * target.h (struct gcc_target.speculate_insn): Change type of the
14748 second parameter to 'int'.
14749 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
14750 the second operand of the DEPS_LIST.
14751 (copy_DEPS_LIST_list): Update reference to the second operand of the
14753 * rtl.h (alloc_DEPS_LIST): Update signature.
14754 * sched-int.h (ds_t): Change typedef to 'int'.
14755 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
14757 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14759 * haifa-sched.c (try_ready): Change condition to restore
14760 non-speculative pattern of the instruction.
14761 (process_insn_depend_be_in_spec): Code to keep probability of the
14762 speculative dependence non-decreasing.
14764 2006-03-30 Jie Zhang <jie.zhang@analog.com>
14766 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
14767 (single_move_for_movmem): ... this. Also change all uses.
14768 (bfin_expand_strmov): Renamed to...
14769 (bfin_expand_movmem): ... this. Also change all uses.
14770 * config/bfin/bfin.md (movstrsi): Renamed to...
14771 (movstrsi): ...this.
14773 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
14775 PR tree-optimization/26830
14777 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
14778 (copy_prop_visit_stmt): Remove write-only variable ann.
14779 (init_copy_prop): Check variable loop depth here. Do not simulate
14780 memory-tag and virtual operand PHIs except for store copy prop.
14782 2006-03-30 Richard Guenther <rguenther@suse.de>
14784 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
14785 variants with double arguments.
14787 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14789 * genpreds.c (write_tm_constrs_h): Delete variable p.
14790 * genconditions.c (write_header): Add tm-constrs.h to included
14792 * genpeep.c (main): Add toplev.h to included headers.
14793 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
14794 (build/genpeep.o): Add toplev.h dependency.
14795 * config/rs6000/constraints.md: Add "W" constraint.
14797 2006-03-29 Roger Sayle <roger@eyesopen.com>
14799 * stor-layout.c (mode_for_size_tree): Remove restiction on type
14800 sizes by correctly testing whether the size fits a host integer.
14801 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
14802 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
14803 SImode range for the default sizetype and bitsizetype.
14805 2006-03-29 Roger Sayle <roger@eyesopen.com>
14807 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
14808 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
14809 quickly if the argument is already of the correct type.
14810 Call fold_build1 instead of build1. Tidy up blank lines.
14812 2006-03-29 David Edelsohn <edelsohn@gnu.org>
14814 * genemit.c (main): Add tm-constrs.h to included headers.
14815 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
14816 * genpeep.c (main): Add tm-constrs.h to included headers.
14817 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
14818 (write_tm_constrs_h): this and write complete file.
14819 (write_tm_preds_h): Do not emit satisfies_constraint fns.
14820 (write_insn_preds_c): Add tm-constrs.h to included headers.
14821 (gen_constrs): New variable.
14822 (parse_option): Parse "-c".
14823 (main): Invoke write_tm_constrs_h.
14824 * genrecog.c (write_header): Add tm-constrs.h to included headers.
14825 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
14826 (object_out_file): Add tm-constrs.h dependency.
14827 (insn-emit.o): Same.
14828 (insn-output.o): Same.
14829 (insn-peep.o): Same.
14830 (insn-preds.o): Same.
14831 (insn-recog.o): Same.
14832 (tm-constsr.h): New target.
14833 (s-constrs-h): New target.
14835 * config/rs6000/constraints.md: New file.
14836 * config/rs6000/rs6000.c: Include tm-constrs.h.
14837 (num_insn_constant_wide): Convert to satisfies_constraint.
14838 (rs6000_rtx_costs): Convert to satisfies_constraint.
14839 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
14840 (CONST_OK_FOR_LETTER_P): Delete.
14841 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
14842 (EXTRA_CONSTRAINT): Delete.
14843 (EXTRA_MEMORY_CONSTRAINT): Delete.
14844 (EXTRA_ADDRESS_CONSTRAINT): Delete.
14845 * config/rs6000/predicates.md: Convert to satisfies_constraint.
14846 * config/rs6000/rs6000.md: Include constraints.md. Convert to
14847 satisfies_constraint.
14849 * config/i386/i386.c: Include tm-constrs.h.
14851 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14853 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
14854 * tree-data-ref.c (find_data_references_in_loop,
14855 compute_data_dependences_for_loop): Use pointers to VEC.
14856 (analyze_all_data_dependences): Adjust calls.
14857 * tree-data-ref.h (find_data_references_in_loop,
14858 compute_data_dependences_for_loop): Adjust declarations.
14859 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
14860 compute_data_dependences_for_loop.
14862 2006-03-29 Paul Brook <paul@codesourcery.com>
14864 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
14865 (movdf_vfp): Ditto.
14867 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
14869 PR tree-optimization/26859
14870 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
14872 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
14873 for the step after fold_convert.
14875 2006-03-29 Paul Brook <paul@codesourcery.com>
14877 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
14878 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
14880 2006-03-29 Paul Brook <paul@codesourcery.com>
14882 PR middle-end/23623
14883 * targhooks.c (default_narrow_bitfield): New fuction.
14884 * targhooks.h (default_narrow_bitfield): add prototype.
14885 * target.h (gcc_target): Add narrow_volatile_bitfield.
14886 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14887 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
14888 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
14889 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
14891 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
14893 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
14895 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
14896 (NR_C_MODES): Add TDmode, DDmode and SDmode.
14897 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
14898 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
14899 (s390_function_arg_float): Allow SDmode and DDmode values to be
14900 passed in floating point registers.
14901 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
14902 check with SCALAR_FLOAT_MODE_P.
14903 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
14905 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14907 PR tree-optimization/25985
14908 * tree-ssa-loop-niter.c (number_of_iterations_le,
14909 number_of_iterations_ne): Make comments more precise.
14910 (number_of_iterations_cond): Add only_exit argument. Use the
14911 fact that signed variables do not overflow only when only_exit
14913 (loop_only_exit_p): New.
14914 (number_of_iterations_exit): Pass result of loop_only_exit_p to
14915 number_of_iterations_cond.
14917 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
14919 PR tree-optimization/26643
14920 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
14923 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
14925 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
14926 (divsi3_i4_int): Likewise.
14928 2006-03-28 Roger Sayle <roger@eyesopen.com>
14930 * expr.c (emit_group_store): Only create a new pseudo reg if the
14931 quantity it needs to hold isn't already a suitable pseudo.
14933 2006-03-28 Jeff Law <law@redhat.com>
14935 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
14936 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
14938 2006-03-28 Roger Sayle <roger@eyesopen.com>
14940 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
14941 the equivalent ~X & Y, and the symmetry related transformations.
14942 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
14943 ~X & Y, and symmetry related transforms.
14945 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
14947 Revert my 2006-03-27 patches.
14949 2006-03-28 Roger Sayle <roger@eyesopen.com>
14951 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
14952 ~(T1)X, when T1 and T2 are integer types of the same precision
14953 and (T2)X isn't an extension.
14955 2006-03-28 Jeff Law <law@redhat.com>
14957 PR tree-optimization/26796
14958 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
14959 need EH edge cleanups rather than purging them immediately.
14960 (eliminate_degenerate_phis): Handle queued EH cleanups.
14962 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
14964 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
14967 2006-03-27 Roger Sayle <roger@eyesopen.com>
14969 PR middle-end/22524
14970 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
14971 cast BIT_NOT_EXPR operand to the correct type.
14973 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
14975 * tree-loop-linear.c: Don't include varray.h.
14976 (gather_interchange_stats, try_interchange_loops,
14977 linear_transform_loops): Use VEC instead of VARRAY.
14978 * lambda-mat.c: Don't include varray.h.
14979 * tree-chrec.c: Same.
14980 * lambda-trans.c: Same.
14981 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
14982 VEC instead of VARRAY.
14983 * tree-vectorizer.h: Idem.
14984 * tree-data-ref.c (dump_data_references,
14985 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
14986 initialize_data_dependence_relation, finalize_ddr_dependent,
14987 compute_all_dependences, find_data_references_in_loop,
14988 compute_data_dependences_for_loop, analyze_all_data_dependences,
14989 free_dependence_relation, free_dependence_relations,
14990 free_data_refs): Idem.
14991 * tree-data-ref.h (data_reference_p, subscript_p): New.
14992 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
14993 VEC instead of VARRAY.
14994 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
14995 (find_data_references_in_loop, compute_data_dependences_for_loop,
14996 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
14997 dump_data_dependence_relations, free_dependence_relations,
14998 free_data_refs): Adjust declaration.
14999 (lambda_transform_legal_p): Move declaration here...
15000 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
15001 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
15002 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
15003 vect_analyze_data_refs): Use VEC instead of VARRAY.
15004 * lambda.h (lambda_transform_legal_p): ...from here.
15005 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
15006 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
15007 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
15008 tree-chrec.o): Don't depend on VARRAY_H.
15010 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15012 * rtl.def (Copyright): Update date.
15013 (DEPS_LIST): Change type of the second operand to 'int'.
15014 * target.h (Copyright): Update date.
15015 (struct gcc_target.speculate_insn): Change type of the second parameter
15017 * lists.c (Copyright): Update date.
15018 (alloc_DEPS_LIST): Change signature. Update reference to the second
15019 operand of the DEPS_LIST.
15020 (copy_DEPS_LIST_list): Update reference to the second operand of the
15022 * rtl.h (Copyright): Update date.
15023 (alloc_DEPS_LIST): Update signature.
15024 * sched-int.h (Copyright): Update date.
15025 (ds_t): Change typedef to 'int'.
15026 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
15028 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15030 * haifa-sched.c (Copyright): Update date.
15031 (try_ready): Change condition to restore non-speculative pattern
15032 of the instruction.
15033 (process_insn_depend_be_in_spec): Code to keep probability of the
15034 speculative dependence non-decreasing.
15036 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
15038 * regrename.c (replace_oldest_value_addr): Initialize a variable to
15039 shut up the compiler.
15041 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
15043 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
15044 to use lib prefix for target.
15045 ($(T)libic_invalidate_array_4-200.a): Likewise.
15046 ($(T)libic_invalidate_array_4a.a): Likewise.
15048 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
15049 J"orn Rennecke <joern.rennecke@st.com>
15051 * superh.opt: New file.
15052 * sh.c (boardtype, osruntime): Remove.
15053 * superh.h (SUBTARGET_OPTIONS): Remove.
15054 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
15056 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
15057 arguments with ^ and/or [].
15059 * config.gcc (sh-*-*): Add quoting to account for quirk of
15061 Replace == with = in enable_incomplete_targets test.
15063 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
15064 with MASK_LITTLE_ENDIAN.
15066 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
15067 * config/sh/sh.opt: Added to some comments.
15068 * config/sh/superh.h: Removed some chaff.
15070 * config/sh/sh.opt: Add m4-[1234]00* options.
15071 * config/sh/sh.c (sh_handle_option): Likewise.
15072 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
15073 (ic_invalidate_array_4-100.o): New rule.
15074 ($(T)libic_invalidate_array_4-100.a): Likewise.
15075 (ic_invalidate_array_4-200.o): Likewise.
15076 ($(T)libic_invalidate_array_4-200.a): Likewise.
15077 (ic_invalidate_array_4a.o): Likewise.
15078 ($(T)libic_invalidate_array_4a.a): Likewise.
15079 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
15080 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
15082 * config/sh/crt1.asm: Merged in profiling code.
15083 * config/sh/superh.h (STARTFILE_SPEC): Override.
15084 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
15085 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
15086 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
15088 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
15089 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
15090 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
15092 * sh.opt (mpretend-cmove): New option.
15093 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
15094 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
15095 (movsicc): Add TARGET_PRETEND_CMOVE code.
15097 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
15099 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
15100 s390_class_max_nregs): New function prototypes.
15101 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
15102 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
15103 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
15104 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
15106 2006-03-26 Geoffrey Keating <geoffk@apple.com>
15108 * dwarf2out.c (add_location_or_const_value_attribute): Call
15109 tree_add_const_value_attribute if nothing else works.
15110 (reference_to_unused): New.
15111 (rtl_for_decl_init): Use reference_to_unused to decide whether
15112 to output an initializer.
15114 2006-03-27 Alan Modra <amodra@bigpond.net.au>
15117 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
15118 peephole removing spe frob_di_df_2.
15120 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
15122 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
15123 (subscript_dependence_tester_1): Declared.
15124 (print_dir_vectors, print_dist_vectors): New.
15125 (debug_data_dependence_relation): New.
15126 (dump_data_dependence_relation): Print more details.
15127 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
15128 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
15129 (save_dist_v, save_dir_v, add_outer_distances,
15130 build_classic_dist_vector_1): New.
15131 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
15132 Don't test for lambda_vector_lexico_pos.
15133 (same_access_functions, add_multivariate_self_dist,
15134 add_other_self_distances, dir_from_dist): New.
15135 (build_classic_dir_vector): Replace implementation almost identical to
15136 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
15138 (subscript_dependence_tester_1): New.
15139 (subscript_dependence_tester): Handle the lexicographically negative
15140 distance vectors by recomputing the dependence relation.
15141 (compute_affine_dependence): Remove parameter loop_nest_depth.
15142 (compute_self_dependence): Don't call compute_subscript_distance.
15143 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
15144 Add a parameter for the loop_nest.
15145 (find_loop_nest_1, find_loop_nest): New.
15146 (compute_data_dependences_for_loop): Compute the loop nest, and give
15147 up if the nest is not well formed.
15148 * tree-data-ref.h (loop_p): New.
15149 (struct data_dependence_relation): Replace size_vect field with
15150 loop_nest, a vec of loops.
15151 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
15152 (DDR_LOOP_NEST): New.
15153 (print_dir_vectors, print_dist_vectors,
15154 debug_data_dependence_relation): Declared.
15155 (index_in_loop_nest): New.
15156 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
15157 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
15160 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
15162 * simplify-rtx.c (simplify_relational_operation): Call
15163 simplify_relational_operation_1 even if mode is VOIDmode.
15165 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
15167 PR tree-optimization/26804
15168 * tree.h (DECL_CALL_CLOBBERED): New macro.
15169 (tree_decl_common): Add call_clobbered_flag.
15170 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
15171 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
15172 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
15173 (mark_non_addressable): Ditto.
15174 * tree-ssa.c (verify_call_clobbered): New function.
15175 (verify_alias_info): Use it.
15176 * tree-pass.h (pass_reset_cc_flags): New prototype.
15177 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
15178 (reset_cc_flags): New function.
15179 * passes.c (init_optimization_passes): Call reset_cc_flags after
15180 initializing referenced_vars.
15182 2006-03-25 Uros Bizjak <uros@kss-loka.si>
15183 Roger Sayle <roger@eyesopen.com>
15185 PR middle-end/26717
15186 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
15187 to 1.0 for non-real operands. Implement A / A optimization for
15190 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
15192 * config/i386/i386.c (size_cost): Correct the comment for
15193 cost of storing fp registers.
15194 (i386_cost): Likewise.
15195 (i486_cost): Likewise.
15196 (pentium_cost): Likewise.
15197 (pentiumpro_cost): Likewise.
15198 (k6_cost): Likewise.
15199 (athlon_cost): Likewise.
15200 (k8_cost): Likewise.
15201 (pentium4_cost): Likewise.
15202 (nocona_cost): Likewise.
15203 (generic64_cost): Likewise.
15204 (generic32_cost): Likewise.
15206 2006-03-24 Denis Chertykov <denisc@overta.ru>
15208 * config/avr/avr-protos.h (extra_constraint): Delete.
15209 (extra_constraint_Q): New declaration.
15210 * config/avr/constraints.md: New file.
15211 * config/avr/avr.md: Include it.
15212 (REG_X, REG_Y, REG_Z, REG_W): New constants.
15213 (TMP_REGNO, ZERO_REGNO): Likewise.
15214 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
15215 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
15216 (extra_constraint): Delete.
15217 (extra_constraint_Q): Test for memory constraint 'Q'.
15218 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
15219 (REG_CLASS_FROM_LETTER): Delete.
15220 (CONST_OK_FOR_LETTER_P): Delete.
15221 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
15222 (EXTRA_CONSTRAINT): Delete.
15223 (TMP_REGNO): Delete.
15224 (ZERO_REGNO): Delete.
15226 2006-03-24 Jeff Law <law@redhat.com>
15228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
15229 directly. Call mark_new_vars_to_rename slightly earlier.
15231 2006-03-24 Geoffrey Keating <geoffk@apple.com>
15233 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
15234 (is_cxx): Likewise.
15235 (gen_compile_unit_die): Use new language types for Objective-C and
15237 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
15238 DW_LANG_C_plus_plus.
15241 * config/t-darwin (crt3.o): Work around bug 26840.
15242 * config/darwin-crt3.c: Rewrite.
15243 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
15245 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
15247 * doc/invoke.texi: Document -femit-class-debug-always
15248 * common.opt: Add -femit-class-debug-always.
15250 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
15252 * config/s390/s390.c (s390_decompose_address): Allow SImode for
15253 index and base register.
15254 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
15255 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
15256 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
15257 REGNO_OK_FOR_INDEX_P.
15258 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
15260 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
15261 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
15262 REG_OK_FOR_BASE_P): Definitions removed.
15264 2006-03-24 Jakub Jelinek <jakub@redhat.com>
15266 PR middle-end/26611
15267 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
15268 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
15269 set yet or weren't marked as local yet.
15271 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
15273 * regrename.c (scan_rtx_address): Initialize a variable to shut up
15276 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
15278 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
15279 (rs6000_legitimate_small_data_p): Delete.
15280 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
15281 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
15282 and make static. Add forward declaration. Update uses.
15283 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
15284 of offsettable_memref_p.
15285 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
15286 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
15288 2006-03-24 Jeff Law <law@redhat.com>
15290 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
15291 around bug in immediate-use iterator.
15293 2006-03-24 Alan Modra <amodra@bigpond.net.au>
15296 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
15297 or __LITTLE_ENDIAN__.
15299 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
15301 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
15302 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
15303 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
15304 * config/sh/sh.opt (mdiv=): Amend description.
15305 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
15306 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
15307 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
15308 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
15309 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
15310 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
15311 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
15312 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
15313 TARGET_DIVIDE_CALL_FP.
15315 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15317 * haifa-sched.c (choose_ready): Fix type of the local variable.
15318 Move local variables. Add comment.
15319 (check_reg_live): Change signature. Make callable from debugger.
15320 * sched-int.h (check_reg_live): Update signature.
15321 * sched-ebb.c (check_reg_live): Update parameters.
15322 * sched-rgn.c (check_reg_live): Ditto.
15323 (region_head_or_leaf_p): Check pointer before dereferencing.
15324 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
15325 before reload on optimization levels below 1.
15327 2006-03-23 Richard Henderson <rth@redhat.com>
15329 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
15333 * config/alpha/predicates.md (local_symbolic_operand): Reject
15336 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
15339 * tree-ssa-pre.c (create_value_expr_from): Don't reject
15340 expressions which have overflowed constants.
15342 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15344 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
15346 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
15348 * cfgloopmanip.c (create_loop_notes): Removed.
15349 * final.c (final_scan_insn): Do not handle loop notes.
15350 * jump.c (squeeze_notes): Ditto.
15351 * cfglayout.c (skip_insns_after_block,
15352 duplicate_insn_chain): Ditto.
15353 * cfgcleanup.c (rest_of_handle_jump2): Do not call
15355 * cfgloop.h (create_loop_notes): Declaration removed.
15357 2006-03-23 Richard Sandiford <richard@codesourcery.com>
15359 * varasm.c (output_constant_pool): Restore fnname and fndecl
15361 (assemble_start_function): Adjust call accordingly.
15362 (assemble_end_function): Likewise.
15364 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15367 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
15370 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
15372 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15375 * system.h (ICE_EXIT_CODE): New macro.
15376 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
15377 (diagnostic_action_after_output): Likewise.
15378 * gcc.c (fatal_ice): New function.
15379 (execute): Use it instead of fatal.
15380 (fancy_abort): Likewise.
15381 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
15383 2006-03-22 Jeff Law <law@redhat.com>
15385 * loop-unroll.c (analyze_iv_to_split_insn): Handle
15386 iv_analyze_result returning false.
15388 2006-03-22 Jie Zhang <jie.zhang@analog.com>
15390 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
15392 2006-03-22 Richard Henderson <rth@redhat.com>
15394 PR middle-end/26084
15395 * except.c (duplicate_eh_regions_0): New.
15396 (duplicate_eh_region_1): Duplicate the children of the node as
15397 well as the node itself. Link them up properly.
15398 (duplicate_eh_region_2): Merge into ...
15399 (duplicate_eh_regions): ... here. Take copy_region argument, and
15400 copy only a sub-tree if asked. Simplify copying and fixup.
15401 (eh_region_outer_p): New.
15402 * except.h (duplicate_eh_regions): Update decl.
15403 (eh_region_outer_p): Declare.
15404 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
15405 (lower_omp_master): Likewise.
15406 (lower_omp_ordered): Likewise.
15407 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
15408 (move_stmt_r): Use it to remap labels. Handle recursion vs
15409 remap_decls_p properly.
15410 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
15411 (find_outermost_region_in_block): New.
15412 (new_label_mapper): New.
15413 (move_sese_region_to_fn): Copy eh information to the new function
15415 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
15417 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
15420 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15422 * doc/md.texi (-mshared): Mention that -mshared code can be linked
15423 into shared libraries.
15425 2006-03-22 Richard Sandiford <richard@codesourcery.com>
15427 * doc/md.texi: Refer to i386/constraints.md instead of
15428 i386/predicates.md.
15429 * config/i386/constraints.md: New file, extracted from...
15430 * config/i386/predicates.md: ...here.
15431 * config/i386/i386.md: Include constraints.md.
15433 2006-03-21 Jason Merrill <jason@redhat.com>
15435 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
15437 PR middle-end/20297
15438 * expr.c (init_block_move_fn): Force default visibility.
15439 (init_block_clear_fn): Likewise.
15440 * builtins.c (expand_builtin_fork_or_exec): Likewise.
15441 * targhooks.c (default_external_stack_protect_fail): Likewise.
15443 2006-03-21 Richard Sandiford <richard@codesourcery.com>
15445 * config/mips/predicates.md (const_call_insn_operand): Allow direct
15446 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
15447 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
15448 Use TARGET_OLDABI instead of !TARGET_NEWABI.
15449 (loadgp): Use mips_current_loadgp_style.
15450 (loadgp_noshared): New pattern.
15451 (sibcall_internal): Use MIPS_CALL.
15452 (sibcall_value_internal): Likewise.
15453 (sibcall_value_multiple_internal): Likewise.
15454 (call_internal): Likewise.
15455 (call_value_internal): Likewise.
15456 (call_value_multiple_internal): Likewise.
15457 (call_split): Use MIPS_CALL and add an 'S' constraint.
15458 (call_value_split): Likewise.
15459 (call_value_multiple_split): Likewise.
15460 * config/mips/mips.opt (-mabicalls): Tweak docstring.
15461 (-mshared): New option.
15462 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
15463 (mips_current_loadgp_style): Declare.
15464 * config/mips/mips.c (mips_classify_symbol): Avoid using
15465 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
15466 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
15467 TARGET_ABSOLUTE_ABICALLS.
15468 (override_options): Adjust comments. Improve the warning that is
15469 issued when -mabicalls and -G are used together.
15470 (mips_file_start): Remove comment.
15471 (mips_current_loadgp_style): New function.
15472 (mips_gnu_local_gp): New variable.
15473 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
15475 (mips_output_function_prologue): Use mips_current_laodgp_style.
15476 (mips_expand_prologue): Call mips_emit_loadgp before emitting
15477 the cprestore instruction.
15478 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
15479 live for TARGET_ABSOLUTE_ABICALLS.
15480 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
15481 (ASM_SPEC): Pass down -mshared and -mno-shared.
15482 (MIPS_CALL): New macro.
15483 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
15485 * doc/invoke.texi (-mabicalls): Update documentation.
15486 (-mshared): Document.
15488 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15490 * config/ia64/unwind-hpux.c: New file.
15491 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
15493 2006-03-21 Steve Ellcey <sje@cup.hp.com>
15496 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
15498 2006-03-21 Jeff Law <law@redhat.com>
15500 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
15501 type conversions of a VR_VARYING source to a wider type.
15503 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
15505 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
15506 tm_file on Solaris 10 and later.
15507 (sparc64-*-solaris2*): Likewise.
15508 (sparc-*-solaris2*): Likewise.
15509 * config/sol26.h: Rename to config/sol2-6.h.
15510 * config/sol2-10.h: New file.
15512 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
15515 * tree-ssa-pre.c (create_component_ref_by_pieces):
15518 2006-03-21 Jakub Jelinek <jakub@redhat.com>
15521 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
15522 return it immediately.
15524 2006-03-21 Michael Matz <matz@suse.de>
15526 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
15528 (remove_arc, add_arc): Update num_out_arcs member.
15529 (set_out_arc_insns_equiv_num): Returns nothing instead of number
15531 (cache_presence): New function.
15532 (compare_states_for_equiv): New function.
15533 (state_is_differed): Don't take number of outargs, adjust callers.
15534 Use new invariant for speeding up.
15535 (init_equiv_class): Create initial classes based on sorted
15537 (partition_equiv_class): Don't track out_arcs_num.
15538 (evaluate_equiv_classes): Call cache_presence on all states and
15541 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
15543 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
15544 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
15545 (bfin_valid_reg_p): Test for pseudos explicitly and use only
15546 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
15548 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
15549 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
15550 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
15551 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
15552 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
15554 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
15555 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
15556 (REGNO_REG_CLASS): ARGP is in PREGS.
15557 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
15559 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
15560 to deal with those addresses.
15561 * addresses.h: New file.
15562 * caller-save.c: Include "addresses.h".
15563 (init_caller_save): Use new base_reg_class function.
15564 * rtl-factoring.c: Include "addresses.h".
15565 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
15566 * recog.c: Include "addresses.h".
15567 (preprocess_constraints): Use new base_reg_class function.
15568 * regrename.c: Include "addresses.h".
15569 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
15570 functions. Keep track of a new var INDEX_CODE to compute valid
15572 (replace_oldest_value_addr): Likewise.
15573 (replace_oldest_value_mem): Use base_reg_class.
15574 * reload.c: Include "addresses.h".
15575 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
15576 (find_reloads): Use new base_reg_class function.
15577 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
15578 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
15579 all callers and prototype changed.
15580 * reload1.c: Include "addresses.h".
15581 (maybe_fix_stack_asms): Use base_reg_class.
15582 * regclass.c: Include "addresses.h".
15583 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
15584 (init_reg_autoinc): Use new base_reg_class function.
15585 (record_reg_classes): Likewise.
15586 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
15587 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
15588 Use new args to compute necessary class.
15590 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
15591 regrename.o, rtl-factoring.o): Update dependencies.
15592 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
15593 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
15594 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
15595 REG_OK_FOR_INDEX_P): Delete documentation.
15597 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
15599 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
15600 from V7 to V9 for Solaris 7 and above.
15602 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
15604 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
15605 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
15606 argument pointers may not alias any other storage.
15607 * common.opt: Define option -fargument-noalias-anything.
15608 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
15609 alias semantics is specified by flag_argument_noalias > 2.
15611 2006-03-20 Jeff Law <law@redhat.com>
15613 * tree-pass.h (pass_phi_only_copy_prop): Delete.
15614 (pass_phi_only_cprop): Declare.
15615 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
15616 with phi_only_cprop
15617 * tree-ssa-dom.c (degenerate_phi_result): New function.
15618 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
15619 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
15620 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
15621 (eliminate_degenerate_phis): Likewise.
15622 (pass_phi_only_cprop): New pass descriptor.
15623 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
15624 support code. Callers updated.
15625 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
15626 (store_copy_prop): Likewise.
15627 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
15629 2006-03-20 Jason Merrill <jason@redhat.com>
15632 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
15633 (push_visibility, pop_visibility): Likewise.
15634 * c-pragma.h: Declare them.
15636 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
15638 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
15640 * config/sh/sh.c (find_regmode_weight): Change the type of the first
15641 parameter and use get_ebb_head_tail.
15642 (sh_md_init_global): Adjust uses of find_regmode_weight.
15644 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
15646 * function.h (struct function) <x_tail_recursion_reentry>:
15647 Rename to x_stack_check_probe_note.
15648 (tail_recursion_reentry): Rename to stack_check_probe_note.
15649 * function.c: Replace tail_recursion_reentry with
15650 stack_check_probe_note everywhere.
15651 (expand_function_start): Only emit a note for
15652 stack_check_probe_note with -fstack-protect.
15653 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
15655 * emit-rtl.c (remove_unnecessary_notes): Remove.
15656 (pass_remove_unnecessary_notes): Remove.
15657 * rtl.h (remove_unnecessary_notes): Remove prototype.
15658 * final.c (final_start_function): Don't call remove_unnecessary_notes.
15659 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
15660 * passes.c (pass_remove_unnecessary_notes): Don't run it.
15662 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
15665 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
15666 (valid_in_set): Handle ARRAY_REF.
15667 Change "if min_variant or VH" to asserts.
15668 (create_component_ref_by_pieces): Handle ARRAY_REF.
15669 (create_expression_by_pieces): Likewise.
15670 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
15672 2006-03-20 David Edelsohn <edelsohn@gnu.org>
15674 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
15675 is operand of switch, not str[0].
15677 2006-03-20 Alan Modra <amodra@bigpond.net.au>
15679 * config/rs6000/rs6000.c (rs6000_handle_option): Use
15680 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
15682 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15684 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
15685 end of insn_extra_address_constraint declaration.
15687 2006-03-19 David Edelsohn <edelsohn@gnu.org>
15689 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
15690 (no-sum-in-toc): Same.
15691 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
15693 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
15694 NO_FP_IN_TOC for -fPIC instead of mask.
15696 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
15697 (BOOT_LDFLAGS): Delete.
15699 * config/rs6000/t-aix52: Same.
15701 * config/rs6000/rs6000.md (store_multiple_power): Delete.
15702 (stmsi[345678]_power): New.
15704 2006-03-17 Steve Ellcey <sje@cup.hp.com>
15706 * config/ia64/ia64.opt: Add empty line to end of file.
15708 2006-03-17 Richard Guenther <rguenther@suse.de>
15710 PR middle-end/26721
15711 * builtins.c (get_pointer_alignment): For component style references
15712 adjust alignment to the component type alignment. Make sure
15713 to adjust alignment for component access of constants.
15715 2006-03-17 David Edelsohn <edelsohn@gnu.org>
15717 * config/rs6000/rs6000.md (strlensi): Emit barrier after
15718 unconditional jump.
15720 2006-03-17 Paul Brook <paul@codesourcery.com>
15722 * doc/install.texi: Docuemnt --with-mode.
15723 * config.gcc: Add --with-mode for arm*-*-*.
15724 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
15726 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
15728 * sh.c (max_labelno_before_reorg): New variable.
15729 (sh_reorg): Initialize it.
15730 (find_barrier): Check max_labelno_before_reorg before using
15731 label_to_alignment. Take length of explicit alignment insns
15732 into account. When seeing a UNSPECV_CONST_END, return it.
15734 * sh.c (fixup_mova): Set mode of affected label to QImode.
15735 (untangle_mova): New function.
15736 (find_barrier): Use it. Check mode of label before decrementing
15738 (sh_reorg): Likewise.
15739 Set mode of all insns back to VOIDmode.
15741 * sh.c (MOVA_LABELREF): New macro.
15742 (mova_p, fixup_mova, sh_reorg): Use it.
15743 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
15744 ADDR_DIFF_VEC matches mova.
15746 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
15748 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
15749 with ATTRIBUTE_UNUSED.
15751 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
15753 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
15754 pointer, instead of assuming it is possible to derive the
15755 correct args size from a call insn.
15757 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
15759 * rtl.h (CONST_INT_P): Define.
15760 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
15761 instead of GET_CODE(x) == CONST_INT.
15762 (vax_rtx_costs): Likewise.
15763 (vax_output_int_move): Likewise.
15764 (vax_output_int_add): Likewise.
15765 (legitimate_constant_address_p): Likewise.
15766 (index_term_p): Likewise.
15767 * config/vax/vax.h (PRINT_OPERAND): Likewise.
15768 * config/vax/vax.md (and<mode>3): Likewise.
15769 (ashrsi3): Likewise.
15771 (movstricthi): Likewise.
15772 (movstrictqi): Likewise.
15773 (rotrsi3): Likewise.
15774 (five unnamed insns): Likewise.
15776 2006-03-16 Geoffrey Keating <geoffk@apple.com>
15778 * doc/tm.texi (SDB and DWARF): Add extra parameter to
15779 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
15780 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
15781 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
15782 Pass to ASM_OUTPUT_DWARF_OFFSET.
15783 * dwarf2out.c (debug_frame_section): New.
15784 (output_call_frame_info): Use debug_frame_section. Pass it to
15785 dw2_asm_output_offset.
15786 (output_die): Pass appropriate section to dw2_asm_output_offset.
15787 (output_compilation_unit_header): Likewise.
15788 (output_pubnames): Likewise.
15789 (output_aranges): Likewise.
15790 (enum dw_val_class): Break dw_val_class_lbl_offset into
15791 dw_val_class_lineptr and dw_val_class_macptr.
15792 (add_AT_lbl_offset): Delete.
15793 (add_AT_lineptr): New.
15794 (add_AT_macptr): New.
15795 (AT_lbl): Expect a lineptr or macptr.
15796 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
15797 (attr_checksum): Likewise.
15798 (same_dw_val_p): Likewise.
15799 (size_of_die): Likewise.
15800 (value_format): Likewise.
15801 (output_die): Likewise.
15802 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
15804 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15805 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
15806 * config/darwin-protos.h (darwin_file_start): New.
15807 (darwin_asm_output_dwarf_offset): New.
15808 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
15809 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
15811 * config/darwin.c (darwin_emit_unwind_label): Don't output label
15812 if not EH section; simplify.
15813 (darwin_file_start): New.
15814 (darwin_asm_output_dwarf_offset): New.
15815 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
15817 (DEBUG_INFO_SECTION): Likewise.
15818 (DEBUG_ABBREV_SECTION): Likewise.
15819 (DEBUG_ARANGES_SECTION): Likewise.
15820 (DEBUG_MACINFO_SECTION): Likewise.
15821 (DEBUG_LINE_SECTION): Likewise.
15822 (DEBUG_LOC_SECTION): Likewise.
15823 (DEBUG_PUBNAMES_SECTION): Likewise.
15824 (DEBUG_STR_SECTION): Likewise.
15825 (DEBUG_RANGES_SECTION): Likewise.
15826 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
15827 (ASM_OUTPUT_DWARF_OFFSET): New.
15829 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
15831 * config.gcc (tm_defines): Always add to previous value rather
15834 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15836 * config/mips/predicates.md (splittable_const_int_operand): New,
15837 split from move_operand.
15838 (splittable_symbolic_operand): New.
15839 (move_operand): Add commentary. Use splittable_const_int_operand.
15840 Inline mips_atomic_symbolic_constant_p.
15841 * config/mips/mips.md: Add combine splitters for handling moves
15842 of splittable_const_int_operands and splittable_symbolic_operands.
15843 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
15844 (mips_split_symbol): Declare.
15845 (mips_move_integer): Declare.
15846 * config/mips/mips.c (mips_split_p): Make global.
15847 (TARGET_MIN_ANCHOR_OFFSET): Override default.
15848 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15849 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15850 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
15851 (mips_offset_within_object_p): Handle block symbols.
15852 (mips_atomic_symbolic_constant_p): Delete.
15853 (mips_cannot_force_const_mem): Return false for constants that
15854 mips_legitimize_move can handle.
15855 (mips_use_blocks_for_constant_p): New function.
15856 (mips_split_symbol): Make global.
15857 (mips_move_integer): Likewise. Add a temporary register argument.
15858 (mips_legitimize_const_move): Use splittable_const_int_operand and
15859 splittable_symbolic_operand.
15860 (mips_use_anchors_for_symbol_p): New function.
15861 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
15862 (mips_split_p): Declare.
15864 2006-03-16 Richard Sandiford <richard@codesourcery.com>
15866 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
15867 (mips*-*-linux*): Likewise.
15869 2006-03-16 Roger Sayle <roger@eyesopen.com>
15870 Daniel Speyer <dspeyer@wam.umd.edu>
15872 PR middle-end/18259
15873 * tree-dump.c (dump_real): New function.
15874 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
15875 * Makefile.in (REAL_H): New macro for dependencies on real.h.
15876 (tree-dump.o): Add $(REAL_H) to the dependencies.
15878 2006-03-16 Roger Sayle <roger@eyesopen.com>
15880 PR middle-end/21781
15881 * real.c (real_from_string): If the mantissa is zero, don't bother
15882 parsing the exponent as the result should always be zero.
15884 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
15886 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
15888 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15890 * config/ia64/ia64.c (stops_p): Added explicit initialization.
15891 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
15892 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
15893 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
15894 ia64_sched_finish_global): New static functions to implement
15895 hooks from gcc_target.sched.
15896 (spec_check_no, max_uid, pending_data_specs): New static variables.
15897 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
15898 ia64_spec_check_src_p): New static functions.
15899 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
15900 (TARGET_SCHED_ADJUST_COST): Removed.
15901 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
15902 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
15903 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
15904 TARGET_SCHED_GEN_CHECK,
15905 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15906 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
15907 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
15908 Fixed to handle speculation checks.
15909 (rtx_needs_barrier): Fixed to handle speculative loads and
15911 (ia64_variable_issue): Added code to count speculative loads and their
15913 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
15915 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
15917 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
15919 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
15920 (ia64_reorg): Reset stops_p to NULL after it is freed.
15921 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
15922 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
15923 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
15925 (data_speculative, control_speculative, check_load): New attributes.
15926 (mov<mode>_advanced, mov<mode>_speculative,
15927 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
15928 zero_extend<mode>di2_speculative,
15929 zero_extend<mode>di2_speculative_advanced): New patterns for
15930 data and control speculative loads.
15931 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
15933 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
15934 New pattern for data and control speculation checks.
15935 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
15936 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
15937 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
15938 Auxiliary definitions for the patterns.
15939 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
15940 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
15942 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
15944 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
15945 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
15946 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
15947 New resource constraints.
15948 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
15950 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
15951 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
15952 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15953 msched-in-control-spec, msched-ldc, msched-control-ldc,
15954 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15955 msched-prefer-non-control-spec-insns,
15956 msched-count-spec-in-critical-path): New flags to tune speculative
15958 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
15959 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
15960 msched-in-control-spec, msched-ldc, msched-control-ldc,
15961 msched-spec-verbose, msched-prefer-non-data-spec-insns,
15962 msched-prefer-non-control-spec-insns,
15963 msched-count-spec-in-critical-path): Document new flags.
15965 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
15967 * target.h (struct spec_info_def): New opaque declaration.
15968 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
15969 speculate_insn, needs_block_p, gen_check,
15970 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
15971 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
15972 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
15973 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
15974 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
15975 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
15977 (TARGET_SCHED): Use new macros.
15978 * rtl.h (copy_DEPS_LIST_list): New prototype.
15979 * sched-int.h (struct sched_info): Change signature of new_ready field,
15980 adjust all initializations. New fields: add_remove_insn,
15981 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
15982 region_head_or_leaf_p.
15983 (struct spec_info_def): New structure declaration.
15984 (spec_info_t): New typedef.
15985 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
15986 recovery_block, orig_pat.
15987 (glat_start, glat_end): New variables declaraions.
15988 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
15990 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
15991 DETACH_LIFE_INFO, USE_GLAT.
15992 (enum SPEC_SCHED_FLAGS): New enumeration.
15993 (NOTE_NOTE_BB_P): New macro.
15994 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
15995 attach_life_info, debug_spec_status, check_reg_live): New functions.
15996 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
15997 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
15999 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
16000 * ddg.c (get_block_head_tail): Adjust all uses.
16001 * modulo-sched.c (get_block_head_tail): Adjust all uses.
16002 (sms_sched_info): Initialize new fields.
16003 (contributes_to_priority): Removed.
16004 * haifa-sched.c (params.h): New include.
16005 (get_block_head_tail): Adjust all uses.
16006 (ISSUE_POINTS): New macro.
16007 (glat_start, glat_end): New global variables.
16008 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
16009 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
16010 old_last_basic_block, before_recovery, current_sched_info_var,
16011 rgn_n_insns, luid): New static variables.
16012 (insn_cost1): New function. Move logic from insn_cost to here.
16013 (find_insn_reg_weight1): New function. Move logic from
16014 find_insn_reg_weight to here.
16015 (reemit_notes, move_insn, max_issue): Change signature.
16016 (move_insn1): Removed.
16017 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
16018 extend_bb): New static functions to support extension of scheduler's
16020 (generate_recovery_code, process_insn_depend_be_in_spec,
16021 begin_speculative_block, add_to_speculative_block,
16022 init_before_recovery, create_recovery_block, create_check_block_twin,
16023 fix_recovery_deps): New static functions to support
16024 generation of recovery code.
16025 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
16026 restore_bb_notes, move_block_after_check, move_succs): New static
16027 functions to support ebb scheduling.
16028 (init_glat, init_glat1, attach_life_info1, free_glat): New static
16029 functions to support handling of register live information.
16030 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
16031 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
16032 add_jump_dependencies): New static functions.
16033 (check_cfg, has_edge_p, check_sched_flags): New static functions for
16034 consistancy checking.
16035 (debug_spec_status): New function to call from debugger.
16036 (priority): Added code to handle speculation checks.
16037 (rank_for_schedule): Added code to distinguish speculative instructions.
16038 (schedule_insn): Added code to handle speculation checks.
16039 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
16040 Fixed to handle ebbs.
16041 (move_insn): Added code to handle ebb scheduling.
16042 (max_issue): Added code to use ISSUE_POINTS of instructions.
16043 (choose_ready): Added code to choose between speculative and
16044 non-speculative instructions.
16045 (schedule_block): Added code to handle ebb scheduling and scheduling of
16046 speculative instructions.
16047 (sched_init): Initialize new variables.
16048 (sched_finish): Free new variables. Print statistics.
16049 (try_ready): Added code to handle speculative instructions.
16050 * lists.c (copy_DEPS_LIST_list): New function.
16051 * sched-deps.c (extend_dependency_caches): New function. Move logic
16052 from create_dependency_caches to here.
16053 (get_dep_weak, ds_merge): Make global.
16054 * genattr.c (main): Code to output prototype for
16055 dfa_clear_single_insn_cache.
16056 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
16057 (output_dfa_clean_insn_cache_func): Code to output
16058 dfa_clear_single_insn_cache function.
16059 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
16061 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
16063 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
16064 New static variables.
16065 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
16066 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
16068 (ebb_sched_info): Initialize new fields.
16069 (get_block_head_tail): Adjust all uses.
16070 (compute_jump_reg_dependencies): Fixed to use glat_start.
16071 (schedule_ebb): Code to remove unreachable last block.
16072 (schedule_ebbs): Added code to update register live information.
16073 * sched-rgn.c (region_sched_info): Initialize new fields.
16074 (get_block_head_tail): Adjust all uses.
16075 (last_was_jump): Removed. Adjust users.
16076 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
16077 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
16078 Implement new hooks.
16079 (check_dead_notes1): New static function.
16080 (struct region): New fields: dont_calc_deps, has_real_ebb.
16081 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
16082 (BB_TO_BLOCK): Fixed to handle EBBs.
16083 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
16084 (ebb_head): New static variable.
16085 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
16086 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
16088 (compute_dom_prob_ps): New assertion.
16089 (check_live_1, update_live_1): Fixed to work with glat_start instead of
16090 global_live_at_start.
16091 (init_ready_list): New assertions.
16092 (can_schedule_ready_p): Split update code to begin_schedule_ready.
16093 (new_ready): Add support for BEGIN_CONTROL speculation.
16094 (schedule_insns): Fixed code that updates register live information
16096 (schedule_region): Fixed to handle EBBs.
16097 (init_regions): Use extend_regions and check_dead_notes1.
16098 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
16099 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
16100 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
16101 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
16102 TARGET_SCHED_GEN_CHECK,
16103 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
16104 TARGET_SCHED_SET_SCHED_FLAGS): Document.
16105 * doc/invoke.texi (max-sched-insn-conflict-delay,
16106 sched-spec-prob-cutoff): Document.
16108 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16110 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
16111 inter_tick, queue_index.
16112 (struct sched_info): Change signature of init_ready_list field.
16113 Adjust all initializations.
16114 (RESOLVED_DEPS): New access macro.
16115 (ready_add): Remove prototype.
16116 (try_ready): Add prototype.
16117 * sched-rgn.c (init_ready_list): Use try_ready.
16118 (schedule_region): Initialize
16119 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
16120 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
16121 (init_ready_list): Use try_ready.
16122 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
16123 * lists.c (remove_list_elem): Remove `static'.
16124 (remove_free_INSN_LIST_elem): New function.
16125 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
16126 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
16127 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
16129 (readyp): New variable.
16130 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
16131 change_queue_index, resolve_dep): New static functions.
16132 (try_ready): New function. Adjust callers in sched-rgn.c and
16133 sched-ebb.c to use it instead of ready_add.
16134 (clock_var): Move at the begining of file.
16135 (rank_for_schedule): Fix typo.
16136 (queue_insn): Add assertion. Handle QUEUE_INDEX.
16137 (ready_lastpos): Enforce assertion.
16138 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
16139 update all callers.
16140 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
16141 (schedule_insn): Rewrite to use try_ready and resolve_dep.
16142 (queue_to_ready): Use free_INSN_LIST_list.
16143 (early_queue_to_ready): Fix typo.
16144 (schedule_block): Init readyp. Move init_ready_list call after the
16145 initialization of clock_var. Fix error in rejecting insn by
16146 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
16147 that previously corrected INSN_TICKs. Add code for handling
16149 (set_priorities): Fix typo.
16150 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
16151 Clarify comment and code that keeps current_sched_info->next_tail
16154 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16156 * sched-rgn.c (extend_rgns): New static function.
16157 (find_rgns): Use it.
16158 (gather_region_statistics, print_region_statistics): New static
16160 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
16161 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
16163 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16164 Andrey Belevantsev <abel@ispras.ru>
16166 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
16167 * lists.c (unused_deps_list): New variable.
16168 (free_list): Add assertions to verify the proper distinguishing
16169 between INSN_LISTs and DEPS_LISTs.
16170 (find_list_elem, remove_list_elem, remove_list_node): New static
16172 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
16173 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
16174 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
16175 (alloc_INSN_LIST): Assert that the list we're working on is indeed
16177 (free_INSN_LIST_node): Likewise.
16178 * modulo-sched.c (current_sched_info): Initialize flags field.
16179 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
16180 * rtl.def (DEPS_LIST): Define.
16181 * rtl.h: Declare new functions from lists.c.
16182 * sched-deps.c (spec_dependency_cache): New static variable.
16183 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
16184 (add_dependence): Change return type to void. Move the logic to ...
16185 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
16186 (delete_all_dependences): Add comment about forward_dependency_cache.
16187 Handle spec_dependency_cache. Handle DEPS_LISTs.
16188 (fixup_sched_groups): Clarify the change of priority of output
16189 and anti dependencies.
16190 (sched_analyze_2): Adjust add_dependence calls to create data
16191 speculative dependence.
16192 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
16193 Adjust all callers. Handle DEPS_LISTS.
16194 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
16195 presence of speculation.
16196 (init_dependency_caches, free_dependency_caches):
16197 Handle spec_dependency_cache.
16198 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
16199 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
16200 New static functions.
16201 (add_or_update_back_dep, add_or_update_back_forw_dep,
16202 add_back_forw_dep, delete_back_forw_dep): New functions.
16203 * sched-int.h (ds_t, dw_t): New typedefs.
16204 (struct sched_info): Add new field flags.
16205 (struct haifa_insn_data): Add new bitfield has_internal_dep.
16206 Prototype new sched-deps.c functions.
16207 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
16208 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
16209 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
16210 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
16211 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
16212 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
16214 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
16216 * sched-rgn.c (current_sched_info): Initialize flags field.
16217 (schedule_insns): Initialize current_sched_info before the sched_init
16219 * sched-ebb.c (current_sched_info): Initialize flags field.
16220 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
16221 Call add_or_update_back_dep instead of add_dependence.
16222 Create control speculative dependencies.
16223 (schedule_insns): Initialize current_sched_info before the sched_init
16226 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
16228 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
16230 (sh_fallback_frame_state): Likewise.
16232 2006-03-15 Geoffrey Keating <geoffk@apple.com>
16234 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
16235 Do switch on default_use_cxa_atexit.
16236 (powerpc*-*-darwin*): Build crt2.o on powerpc.
16237 * config/darwin-crt3.o: New.
16238 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
16239 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
16240 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
16242 * config/rs6000/t-darwin: Move crt2.o building to here.
16243 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
16244 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
16247 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16249 * config/vax/vax.c (nonindexed_address_p): Change logical negation
16250 from '! xxx' to '!xxx' for coding-style conformance.
16251 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
16252 (EXTRA_CONSTRAINT): Likewise.
16253 * config/vax/vax.md (four unnamed insns): Likewise.
16255 2006-03-15 Paul Brook <paul@codesourcery.com>
16257 * config/arm/arm.c (minipool_pad): New.
16258 (add_minipool_forward_ref): Include pool alignment padding in address
16260 (push_minipool_fix): Set minipool_pad.
16261 (minipool_pad): Ditto.
16263 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
16265 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
16266 instead of GET_CODE() == MEM and REG_P() instead of
16268 (print_operand_address): Likewise.
16269 (vax_address_cost): Likewise.
16270 (vax_rtx_costs): Likewise.
16271 (vax_notice_update_cc): Likewise.
16272 (vax_output_int_add): Likewise.
16273 (INDEX_REGISTER_P): Likewise.
16274 (BASE_REGISTER_P): Likewise.
16275 (nonindexed_address_p): Likewise.
16276 (vax_mode_dependent_address_p): Likewise.
16277 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
16278 (PRINT_OPERAND): Likewise.
16279 * config/vax/vax.md (ashlsi3): Likewise.
16280 (ashlsi3): Likewise.
16281 (some more unnamed insns): Likewise.
16283 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
16285 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
16286 iterator-style macro.
16287 (mark_control_dependent_edges_necessary): Update the use of
16288 EXECUTE_IF_CONTROL_DEPENDENT.
16290 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
16292 * config/sh/predicates.md (cache_address_operand): Special.
16293 (ua_address_operand): Likewise.
16295 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
16297 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
16299 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
16301 2006-03-15 Andreas Schwab <schwab@suse.de>
16303 * gensupport.c (identify_predicable_attribute): Don't free p_false
16304 when it is still in use.
16306 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
16308 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
16309 the default setting here.
16311 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
16313 * tree-pass.h (pass_cfg): Remove.
16314 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
16315 * passes.c (pass_cfg): Don't run it.
16317 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
16319 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
16320 * reg-stack.c (stack_regs_mentioned_data): Change the type to
16322 (stack_regs_mentioned): Update the uses of
16323 stack_regs_mentioned_data. Don't access the array beyond its
16325 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
16326 Don't include gt-reg-stack.h.
16328 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
16329 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
16331 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
16333 PR middle-end/26684
16334 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
16337 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16339 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
16341 2006-03-14 Richard Guenther <rguenther@suse.de>
16343 PR tree-optimization/26672
16344 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
16347 2006-03-14 Richard Guenther <rguenther@suse.de>
16349 PR tree-optimization/26667
16350 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
16351 node for the callees. Always allow inlining if it will shrink
16354 2006-03-14 Richard Guenther <rguenther@suse.de>
16356 PR middle-end/26659
16357 * builtins.c (get_pointer_alignment): Prefer alignment
16358 information from decls over that from types.
16360 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
16363 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
16365 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
16367 * config/rs6000/rs6000.opt (mdlmzb): New option.
16368 (msched-prolog, msched-epilog): Use Var not Mask.
16369 * doc/invoke.texi (-mdlmzb): Document.
16370 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
16372 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
16373 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
16375 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
16377 PR rtl-optimization/25739
16378 * bt-load.c (augment_live_range): Free tos pointer.
16380 * gensupport.c (identify_predicable_attribute): Free
16382 * gcov.c (create_file_names): Free name pointer.
16384 2006-03-13 Roger Sayle <roger@eyesopen.com>
16386 PR middle-end/26557
16387 * stmt.c (emit_case_nodes): Handle the case where the index is a
16388 CONST_INT, where the comparison mode is specified by the index type.
16390 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16392 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
16395 2006-03-13 Richard Sandiford <richard@codesourcery.com>
16397 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
16398 (*branch_fp_inverted): Likewise.
16400 2006-03-13 Jakub Jelinek <jakub@redhat.com>
16402 PR middle-end/25989
16403 * omp-low.c (expand_omp_for_generic): Mark istart0
16404 and iend0 as addressable.
16406 2006-03-13 Jie Zhang <jie.zhang@analog.com>
16408 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
16410 2006-03-13 Jeff Law <law@redhat.com>
16412 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
16413 virtual operands are interesting.
16414 (vrp_visit_stmt): Corresponding changes.
16416 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
16418 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
16420 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
16421 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
16422 * config/bfin/crti.S: Use it instead of __PIC__.
16423 * config/bfin/crtn.S: Likewise.
16425 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
16426 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
16428 Lose 'G' modifier for call operand.
16429 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
16430 recognize 'G' modifier.
16432 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
16434 PR middle-end/18859
16435 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
16436 * stmt.c (expand_case): Likewise.
16438 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16440 PR rtl-optimization/26254
16441 * loop-invariant.c (seq_insns_valid_p): New function.
16442 (move_invariant_reg): Only emit new code if it is valid.
16444 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16446 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
16448 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
16449 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
16450 (commit_one_edge_insertion): Do not look for loop notes.
16452 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16454 * jump.c (follow_jumps): Do not check for loop notes. Move check for
16455 flag_test_coverage out of loop.
16457 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16459 * final.c (shorten_branches): Remove outdated comment, and turn
16460 the if branch that guards it to continue.
16462 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
16464 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
16465 * cfgloop.h (struct loop): Remove unused fields.
16467 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
16469 * doc/invoke.texi (-fdump-rtl-loop): Remove.
16470 (-dL, -fdump-rtl-loop2): Update the dump file names
16472 * doc/invoke.texi: Update dump file names.
16474 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
16476 * predict.c (estimate_probability): Remove.
16477 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
16478 * basic-block.h (estimate_probability): Remove prototype.
16479 * passes.c (finish_optimization_passes): Dump branch prediction or
16480 profiling heuristics to the .profile tree dump.
16481 (init_optimization_passes): Unqueue pass_branch_prob.
16483 * doc/invoke.texi (-fdump-rtl-bp): Remove.
16485 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16487 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
16488 * rtl.h (LABEL_NEXTREF): Remove field accessor.
16490 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
16492 * function.h (frame_offset_overflow): Declare.
16493 * function.c (frame_offset_overflow): New function.
16494 (assign_stack_local_1): Call it to detect that the offset overflows.
16495 * cfgexpand.c (alloc_stack_frame_space): Likewise.
16497 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
16499 * config/sh/sh.c: Include alloc-pool.h.
16500 (label_ref_list_pool): New alloc pool.
16501 (label_ref_list_t): New type for lists of labels.
16502 (struct pool_node): Make wend a label_ref_list_t.
16503 (add_constant): Use the new type, eradicate LABEL_NEXTREF
16505 (dump_table): Likewise.
16506 (sh_reorg): Set up the alloc pool before using add_constant and
16507 dump_table, and destroy it when finishing.
16509 2006-03-11 Richard Sandiford <richard@codesourcery.com>
16511 * config/mips/mips.c: Remove redundant comment.
16513 2006-03-10 Jason Merrill <jason@redhat.com>
16516 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
16517 the target was declared 'register'.
16519 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
16521 * genpreds.c (write_insn_constraint_len): Change definition of
16522 insn_constraint_len to return size_t to match the declaration.
16524 2006-03-10 DJ Delorie <dj@redhat.com>
16526 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
16528 (m32c_expand_insv): Fix test for an AND mask.
16530 2006-03-10 Richard Guenther <rguenther@suse.de>
16532 PR middle-end/26565
16533 * builtins.c (get_pointer_alignment): Handle component
16534 references for field alignment.
16536 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16538 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
16539 when building with libgloss.
16540 (sh*elf): Implement --without-fp option.
16541 (sh64-superh-linux*): Don't multilib.
16543 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
16545 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
16547 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
16549 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
16550 Set it when one of the replacement functions returned true.
16551 Return TODO_cleanup_cfg if cfgchanged is true.
16552 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
16554 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
16556 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
16557 instead of gen_lowpart.
16559 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16561 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
16563 (mips_output_order_conditional_branch): Declare.
16564 * config/mips/mips.h (MIPS_BRANCH): New macro.
16565 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
16566 for the comparison. Use gen_condjump.
16567 (mips_output_conditional_branch): Rework interface to take the
16568 asm templates for a direct branch and the inverse of a direct branch.
16569 (mips_output_order_conditional_branch): New function.
16570 (mips_builtin_branch_and_move): New function.
16571 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
16572 branch condition. Use gen_single_cc as the condition for
16573 __builtin_mips_upper_* or __builtin_mips_lower_*.
16574 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
16575 Use VOIDmode for the branch condition.
16576 * config/mips/predicates.md (order_operator): New predicate.
16577 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
16578 (branch_fp): Rename to...
16579 (*branch_fp): ...this. Remove mode from comparison operator.
16580 Use new mips_output_conditional_branch interface.
16581 (branch_fp_inverted): Rename to...
16582 (*branch_fp_inverted): ...this and update as for *branch_fp.
16583 (*branch_zero<mode>): Rename to...
16584 (*branch_order<mode>): ...this. Remove mode from comparison operator.
16585 Use mips_output_order_conditional_branch. Only accept ordered
16587 (*branch_zero<mode>_inverted): Rename to...
16588 (*branch_order<mode>_inverted): ...this and update as for
16589 *branch_order<mode>.
16590 (*branch_equality<mode>): Accept zero as the second operand to
16591 the equality operator. Use the new mips_output_conditional_branch
16593 (*branch_equality<mode>_inverted): Likewise.
16594 (condjump): New expander.
16595 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
16597 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
16598 (bc1any2t, bc1any2f): Likewise.
16599 (single_cc): New expander.
16600 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
16602 2006-03-09 Richard Sandiford <richard@codesourcery.com>
16604 * doc/md.texi: Update documentation of MIPS constraints.
16605 * config/mips/constraints.md: New file.
16606 * config/mips/mips.md: Include it.
16607 * config/mips/mips.c (mips_char_to_class): Delete.
16608 (override_options): Don't initialize mips_char_to_class.
16609 * config/mips/mips.h (mips_char_to_class): Delete.
16610 (REG_CLASS_FROM_LETTER): Delete.
16611 (CONST_OK_FOR_LETTER_P): Delete.
16612 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
16613 (EXTRA_CONSTRAINT_Y): Delete.
16614 (EXTRA_CONSTRAINT_STR): Delete.
16615 (CONSTRAINT_LEN): Delete.
16616 (EXTRA_MEMORY_CONSTRAINT): Delete.
16618 2006-03-09 Diego Novillo <dnovillo@redhat.com>
16620 * tree-cfg.c (move_block_to_fn): Remove the statements from the
16621 original fn's eh regions.
16623 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
16625 * fold-const.c (build_range_check): Make sure to use a valid type to
16626 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
16629 (range_predecessor): New static function.
16630 (range_successor): Likewise.
16631 (merge_ranges): Use them to compute predecessors and successors of
16634 2006-03-09 Roger Sayle <roger@eyesopen.com>
16636 PR middle-end/26561
16637 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
16638 X op C3, consider whether C3 overflows towards +Inf or -Inf.
16640 2006-03-08 DJ Delorie <dj@redhat.com>
16642 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
16643 (addpsi3): Expand to include memory operands. Remove
16644 reload-specific splits.
16645 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
16646 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
16647 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
16648 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
16649 (shift1_qi, shift1_hi, insv): New.
16650 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
16651 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
16652 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
16654 * config/m32c/m32c-protos.h: Update as needed.
16655 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
16656 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
16657 Fail for unrecognized R* constraints.
16658 (m32c_cannot_change_mode_class): Be more picky about pseudos.
16659 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
16660 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
16662 (m32c_init_libfuncs): New.
16663 (m32c_legitimate_address_p): Add debug wrapper.
16664 (m32c_rtx_costs): New.
16665 (m32c_address_cost): New.
16666 (conversions): Add 'B' prefix.
16667 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
16668 operands, or word regnames for QI operands. 'B' prints bit
16670 (m32c_expand_setmemhi): New.
16671 (m32c_expand_movmemhi): New.
16672 (m32c_expand_movstr): New.
16673 (m32c_expand_cmpstr): New.
16674 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
16675 (m32c_expand_neg_mulpsi3): Handle non-ints.
16676 (m32c_cmp_flg_0): New.
16677 (m32c_expand_movcc): New.
16678 (m32c_expand_insv): New.
16679 (m32c_scc_pattern): New.
16680 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
16681 a0/a1 out of SIregs.
16682 (STORE_FLAG_VALUE): New.
16683 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
16686 * config/m32c/mov.md: Make constraints more liberal.
16687 (zero_extendqihi2): Optimize r0/r1 case.
16688 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
16689 * config/m32c/predicates.md (m32c_any_operand): New.
16690 (m32c_nonimmediate_operand): New.
16691 (m32c_hl_operand): New.
16692 (m32c_r3_operand): New.
16695 (memsym_operand): New.
16696 (memimmed_operand): New.
16697 (a_qi_operand): New.
16698 (m32c_eqne_operator): New.
16699 (m32c_1bit8_operand): New.
16700 (m32c_1bit16_operand): New.
16701 (m32c_1mask8_operand): New.
16702 (m32c_1mask16_operand): New.
16703 * config/m32c/blkmov.md: New file.
16704 * config/m32c/t-m32c (MD_FILES): Add blkmov.
16706 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
16708 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
16709 unsigned to fix signed/unsigned comparison issue in
16710 DWARF2_FRAME_REG_OUT.
16711 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
16712 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
16714 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
16715 of ptr into the ENABLE_CHECKING section.
16717 2006-03-08 Jeff Law <law@redhat.com>
16719 * tree-vrp.c (infer_value_range): Only count pointer uses
16720 and dereferences if -fdelete-null-pointer-checks is enabled.
16722 * tree-vrp.c (find_assert_locations): Infer value ranges for
16723 single use pointers, but do not create ASSERT_EXPRs for them.
16724 When a non-null range is inferred for a pointer, backwards
16725 propagate that range to other equivalent pointers through the
16728 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
16731 * Makefile.in (dvi, html, install-info): Invoke the corresponding
16732 language hook targets.
16733 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
16734 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
16735 if language hook targets were missing.
16737 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
16739 * tree-ssa-opfinalize.h: Removed.
16740 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
16742 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
16743 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
16744 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
16745 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
16746 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
16747 finalize_ssa_v_must_def_ops): New.
16749 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
16751 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
16752 block as parameter.
16754 2006-03-07 Geoffrey Keating <geoffk@apple.com>
16756 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
16758 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
16759 addresses with offsets; reorganize.
16761 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
16762 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
16763 (expand_builtin_init_dwarf_reg_sizes): Likewise.
16765 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
16768 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
16770 2006-03-08 Ben Elliston <bje@au.ibm.com>
16772 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
16774 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
16777 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
16780 2006-03-07 Richard Guenther <rguenther@suse.de>
16782 PR tree-optimization/26587
16783 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
16785 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16787 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
16789 2006-03-07 Richard Sandiford <richard@codesourcery.com>
16791 * hooks.c (hook_bool_mode_rtx_true): New function.
16792 * hooks.h (hook_bool_mode_rtx_true): Declare.
16793 * toplev.c (compile_file): Call output_shared_constant_pool.
16794 * varasm.c (shared_constant_pool): New variable.
16795 (assemble_start_function, assemble_end_function): Remove arguments
16796 from call to output_constant_pool.
16797 (create_constant_pool): New function, split out from...
16798 (init_varasm_status): ...here.
16799 (force_const_mem): Choose between the shared and per-function constant
16800 pools. Set current_function_uses_const_pool when reusing old entries
16801 as well as when creating new ones.
16802 (mark_constant): Ignore data argument.
16803 (mark_constants): Remove pool argument.
16804 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
16805 to decide whether the function uses a constant pool.
16806 (output_constant_pool_contents): New function, split out from...
16807 (output_constant_pool): ...here.
16808 (output_shared_constant_pool): New function.
16809 (init_varasm_once): Initialize shared_constant_pool.
16810 * output.h (output_constant_pool): Delete.
16811 (output_shared_constant_pool): Declare.
16812 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
16813 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
16815 2006-03-06 Nick Clifton <nickc@redhat.com>
16817 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
16818 flag_strength_reduce.
16820 2006-03-06 Ben Elliston <bje@au.ibm.com>
16822 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
16823 x86_64-*-linux* configurations.
16825 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
16826 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
16828 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16830 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
16832 * basic-block.h: Remove the extern for
16833 rediscover_loops_after_threading.
16835 * cfgloop.c (cancel_loop): Make it static.
16836 * cfgloop.h: Remove the prototype for cancel_loop.
16838 * flow.c (recompute_reg_usage): Make it static.
16839 * rtl.h: Remove the prototype for recompute_reg_usage.
16841 * function.c (use_return_register): Make it static.
16842 * function.h: Remove the prototype.
16844 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16846 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
16848 * recog.h: Remove the prototype for
16849 validate_change_maybe_volatile.
16851 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16853 * rtlanal.c (replace_reg): Remove.
16854 * rtl.h: Remove the prototype for replace_reg.
16856 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
16858 * regclass.c (reg_scan_update): Remove.
16859 (reg_scan_mark_refs): Remove the last argument.
16860 * rtl.h: Remove the prototype for reg_scan_update.
16862 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16864 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
16865 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
16866 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
16867 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
16868 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
16869 loop-invariant.c, omp-low.c, opts.c, passes.c,
16870 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
16871 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
16872 tree-ssa-structalias.c, tree-ssa-threadedge.c,
16873 tree-ssa-threadupdate.c, tree-vect-patterns.c,
16874 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
16875 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
16877 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16879 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
16880 * dwarf2out.h: Remove the prototype for
16881 dwarf2out_add_library_unit_info.
16883 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16885 * tree.c (add_var_to_bind_expr): Remove.
16886 * tree.h: Remove the prototype for add_var_to_bind_expr.
16888 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16890 * regclass.c (n_non_fixed_regs): Remove.
16891 (init_reg_sets_1, globalize_reg): Remove all uses of
16893 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
16895 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16897 * rtlanal.c (insns_safe_to_move_p): Remove.
16898 * rtl.h: Remove the prototype for insns_safe_to_move_p.
16900 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
16902 * expmed.c (expand_mult_add): Remove.
16903 * expr.h: Remove the prototype for expand_mult_add.
16905 2006-03-04 Jakub Jelinek <jakub@redhat.com>
16907 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
16908 and REG_SAVED_VAL_EXP constants.
16909 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
16910 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
16911 Handle regs stored by value.
16912 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
16913 (execute_cfa_program): Handle DW_CFA_val_offset,
16914 DW_CFA_val_offset_sf and DW_CFA_val_expression.
16915 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
16916 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
16917 (uw_install_context_1): Handle target regs stored by value.
16919 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
16921 * tree-sra.c (tree_sra): Return todoflags;
16922 (generate_one_element): Set TODO_update_smt_usage if needed.
16923 (pass_sra): Remove TODO_update_smt_usage.
16924 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
16926 (tree_ssa_forward_propagate_single_use_vars): Return
16927 TODO_update_smt_usage if we need to update SMT usage.
16928 (pass_forwprop): Remove TODO_update_smt_usage.
16930 2006-03-03 Diego Novillo <dnovillo@redhat.com>
16932 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
16933 (correct_use_link): Remove reference to get_stmt_operands.
16934 (update_stmt_operands): Likewise.
16935 (get_modify_expr_operands): New function factored out of
16936 parse_ssa_operands and get_expr_operands.
16937 Try to create V_MUST_DEFs for LHS by default.
16938 (get_expr_operands) <case MODIFY_EXPR>: Call
16939 get_modify_expr_operands.
16940 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
16941 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
16942 (parse_ssa_operands) <case MODIFY_EXPR>: Call
16943 get_modify_expr_operands.
16945 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
16947 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
16948 * tree-flow.h: Remove the prototype for
16949 referenced_var_lookup_if_exists.
16951 2006-03-03 Steve Ellcey <sje@cup.hp.com>
16953 PR rtl-optimization/26345
16955 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
16957 2006-03-03 Roger Sayle <roger@eyesopen.com>
16959 PR tree-optimization/26524
16960 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
16961 fold_convert to create a constant of the appropriate type.
16963 2006-03-03 Richard Sandiford <richard@codesourcery.com>
16965 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16966 SYMBOL_REF_IN_BLOCK_P.
16967 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
16968 of SYMBOL_FLAG_IN_BLOCK.
16969 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
16970 instead of SYMBOL_REF_IN_BLOCK_P.
16971 * explow.c (use_anchored_address): Likewise.
16972 * rtl.c (rtx_size): Likewise.
16973 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
16974 instead of SYMBOL_FLAG_IN_BLOCK.
16975 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16976 SYMBOL_REF_IN_BLOCK_P.
16977 (assemble_variable): Likewise.
16978 (output_constant_def_contents): Likewise.
16979 (output_constant_pool): Likewise.
16980 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
16981 instead of SYMBOL_FLAG_IN_BLOCK.
16982 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16983 SYMBOL_REF_IN_BLOCK_P.
16984 (SYMBOL_REF_BLOCK): Likewise.
16985 (SYMBOL_REF_OFFSET): Likewise.
16986 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
16987 SYMBOL_REF_IN_BLOCK_P.
16988 (SYMBOL_FLAG_IN_BLOCK): Replace with...
16989 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
16990 (SYMBOL_REF_IN_BLOCK_P): Replace with...
16991 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
16993 2006-03-03 Jakub Jelinek <jakub@redhat.com>
16995 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
16997 2006-03-02 Roger Sayle <roger@eyesopen.com>
16999 * simplify-rtx.c (simplify_unary_operation): When simplifying
17000 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
17001 that we perform the right shift in the appropriate mode, and
17002 then extend or truncate the result to requested mode.
17004 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
17006 * gengtype.c (main): Handle double_int type.
17007 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
17008 * double-int.c: New file.
17009 * double-int.h: New file.
17010 * system.h: Include doubleint.h.
17011 * Makefile.in (SYSTEM_H): Include double-int.h.
17012 (double-int.o): Add.
17014 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
17017 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
17020 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17022 * tree-vrp.c (remove_range_assertions): Do not update statements
17025 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17027 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
17029 * gcse.c (rest_of_handle_gcse): Ditto.
17030 * except.c (gate_handle_eh): Ditto.
17031 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
17032 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
17034 2006-03-02 Eric Christopher <echristo@apple.com>
17036 * config/i386/i386.c (machopic_output_stub): Add indirection to
17039 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
17043 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
17045 Sun Niagara specific optimizations.
17046 * config.gcc: Recognize niagara as target.
17047 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
17048 (TARGET_CPU_niagara): Define.
17049 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
17050 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
17051 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17052 (ASM_CPU_SPEC): Likewise.
17053 (PROCESSOR_NIAGARA): New enum entry.
17054 (REGISTER_MOVE_COST): Handle Niagara.
17055 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
17056 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
17057 (sparc_override_options): Recognize "niagara", set appropriate
17058 default MASK_* values for it, and align functions to 32-bytes
17059 by default just like ULTRASPARC/ULTRASPARC3.
17060 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
17061 (sparc64_initialize_trampoline): Likewise.
17062 (sparc_use_sched_lookahead): Use zero for niagara.
17063 (sparc_issue_rate): Use one for niagara.
17064 * config/sparc/niagara.md: New file.
17065 * config/sparc/sparc.md: Include it.
17066 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
17067 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
17068 when default cpu is niagara.
17069 (CPP_CPU_SPEC): Handle -mcpu=niagara.
17070 (ASM_CPU_SPEC): Likewise.
17071 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
17072 when default cpu is niagara.
17073 (ASM_CPU_SPEC): Handle -mcpu=niagara.
17074 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
17075 just like v9/ultrasparc/ultrasparc3.
17076 * doc/invoke.texi: Add documentation for "niagara" and improve
17077 existing documentation for ultrasparc variants.
17079 2006-03-02 Diego Novillo <dnovillo@redhat.com>
17081 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
17083 2006-03-02 Richard Sandiford <richard@codesourcery.com>
17085 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
17086 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
17087 and say that only one is needed.
17088 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
17089 * target.h (have_switchable_bss_sections): New hook.
17090 * explow.c (use_anchored_address): Check that the symbol is in a block.
17091 * varasm.c (tls_comm_section, comm_section, lcomm_section)
17092 (bss_noswitch_section): New variables.
17093 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
17094 (get_noswitch_section): New function.
17095 (get_block_for_section): Allow SECT to be null.
17096 (unlikely_text_section_p): Use SECTION_STYLE.
17097 (bss_initializer_p): New function.
17098 (get_variable_section): Move earlier in file. Take a new argument,
17099 prefer_noswitch_p. Move bss checks from assemble_variable to here.
17100 Return one of the new *_sections in such cases.
17101 (get_block_for_decl): New function, extracting some logic from
17102 use_blocks_for_decl_p.
17103 (change_symbol_section): Remove in favor of...
17104 (change_symbol_block): ...this new function.
17105 (use_blocks_for_decl_p): Remove checks now performed by
17106 get_block_for_decl.
17107 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
17108 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
17109 (emit_local, emit_bss, emit_common): ...these new functions.
17110 Return true if the alignment was honored.
17111 (emit_tls_common): New function.
17112 (asm_emit_uninitialised): Delete.
17113 (assemble_variable_noswitch): New function, split out from...
17114 (assemble_variable): ...here. Don't make decisions about common
17115 variables here. Globalize all public decls that go into non-common
17116 sections. Check whether SYMBOL_REF_BLOCK is null.
17117 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
17118 (output_constant_pool): Likewise.
17119 (init_varasm_once): Initialize the new section variables.
17120 (have_global_bss_p): New function.
17121 (categorize_decl_for_section): Use bss_initializer_p.
17122 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
17123 (place_block_symbol): Assert that the symbol must be in a block.
17124 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
17125 (TARGET_INITIALIZER): Include it.
17126 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
17127 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
17128 (SECTION_MACH_DEP): Bump by two.
17129 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
17130 (unnamed_section): Mention SECTION_UNNAMED in comment.
17131 (named_section): Likewise SECTION_NAMED.
17132 (noswitch_section_callback): New type.
17133 (noswitch_section): New structure.
17134 (section): Add a noswitch_section alternative.
17135 (SECTION_STYLE): New macro.
17136 (tls_comm_section, comm_section, lcomm_section): Declare.
17137 (bss_noswitch_section, have_global_bss_p): Declare.
17138 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17139 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17141 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
17142 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
17145 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
17147 * tree-vrp.c (execute_vrp): Return value.
17148 * regrename.c (rest_of_handle_regrename): Ditto.
17149 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
17150 * tree-complex.c (tree_lower_complex): Ditto.
17151 (tree_lower_complex_O0): Ditto.
17152 * tracer.c (rest_of_handle_tracer): Ditto.
17153 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
17154 * postreload.c (rest_of_handle_postreload): Ditto.
17155 * tree-tailcall.c (execute_tail_recursion): Ditto.
17156 (execute_tail_calls): Ditto.
17157 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
17158 * tree.h (init_function_for_compilation): Ditto.
17159 * ipa-cp.c (ipcp_driver): Ditto.
17160 * tree-scalar-evolution.c (scev_const_prop): Ditto.
17161 * tree-scalar-evolution.h (scev_const_prop): Ditto.
17162 * final.c (compute_alignments): Ditto.
17163 (rest_of_handle_final): Ditto.
17164 (rest_of_handle_shorten_branches): Ditto.
17165 (rest_of_clean_state): Ditto.
17166 * omp-low.c (execute_expand_omp): Ditto.
17167 (execute_lower_omp): Ditto.
17168 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
17169 * ipa-reference.c (static_execute): Ditto.
17170 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
17171 * reorg.c (rest_of_handle_delay_slots): Ditto.
17172 (rest_of_handle_machine_reorg): Ditto.
17173 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
17174 * flow.c (recompute_reg_usage): Ditto.
17175 (rest_of_handle_remove_death_notes): Ditto.
17176 (rest_of_handle_life): Ditto.
17177 (rest_of_handle_flow2): Ditto.
17178 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
17179 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
17180 (do_ssa_store_ccp): Ditto.
17181 (execute_fold_all_builtins): Ditto.
17182 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
17183 * modulo-sched.c (rest_of_handle_sms): Ditto.
17184 * ipa-pure-const.c (static_execute): Ditto.
17185 * cse.c (rest_of_handle_cse): Ditto.
17186 (rest_of_handle_cse2): Ditto.
17187 * web.c (rest_of_handle_web): Ditto.
17188 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
17189 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
17190 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
17191 * tree-nrv.c (tree_nrv): Ditto.
17192 (execute_return_slot_opt): Ditto.
17193 * tree-ssa-alias.c (compute_may_aliases): Ditto.
17194 (create_structure_vars): Ditto.
17195 * loop-init.c (rtl_loop_init): Ditto.
17196 (rtl_loop_done): Ditto.
17197 (rtl_move_loop_invariants): Ditto.
17198 (rtl_unswitch): Ditto.
17199 (rtl_unroll_and_peel_loops): Ditto.
17200 (rtl_doloop): Ditto.
17201 * gimple-low.c (lower_function_body): Ditto.
17202 (mark_used_blocks): Ditto.
17203 * tree-ssa-sink.c (execute_sink_code): Ditto.
17204 * ipa-inline.c (cgraph_decide_inlining): Ditto.
17205 (cgraph_early_inlining): Ditto.
17206 * global.c (rest_of_handle_global_alloc): Ditto.
17207 * jump.c (cleanup_barriers): Ditto.
17208 (purge_line_number_notes): Ditto.
17209 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
17210 (rest_of_handle_if_after_reload): Ditto.
17211 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
17212 (tree_ssa_loop_im): Ditto.
17213 (tree_ssa_loop_unswitch): Ditto.
17214 (tree_vectorize): Ditto.
17215 (tree_linear_transform): Ditto.
17216 (tree_ssa_loop_ivcanon): Ditto.
17217 (tree_ssa_empty_loop): Ditto.
17218 (tree_ssa_loop_bounds): Ditto.
17219 (tree_complete_unroll): Ditto.
17220 (tree_ssa_loop_prefetch): Ditto.
17221 (tree_ssa_loop_ivopts): Ditto.
17222 (tree_ssa_loop_done): Ditto.
17223 * predict.c (tree_estimate_probability): Ditto.
17224 * recog.c (split_all_insns_noflow): Ditto.
17225 (rest_of_handle_peephole2): Ditto.
17226 (rest_of_handle_split_all_insns): Ditto.
17227 * tree-eh.c (lower_eh_constructs): Ditto.
17228 * regmove.c (rest_of_handle_regmove): Ditto.
17229 (rest_of_handle_stack_adjustments): Ditto.
17230 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
17231 * function.c (instantiate_virtual_regs): Ditto.
17232 (init_function_for_compilation): Ditto.
17233 (rest_of_handle_check_leaf_regs): Ditto.
17234 * gcse.c (rest_of_handle_jump_bypass): Ditto.
17235 (rest_of_handle_gcse): Ditto.
17236 * ipa-type-escape.c (type_escape_execute): Ditto.
17237 * alias.c (rest_of_handle_cfg): Ditto.
17238 * tree-if-conv.c (main_tree_if_conversion): Ditto.
17239 * profile.c (rest_of_handle_branch_prob): Ditto.
17240 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
17241 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
17242 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
17243 * tree-dfa.c (find_referenced_vars): Ditto.
17244 * except.c (set_nothrow_function_flags): Ditto.
17245 (convert_to_eh_region_ranges): Ditto.
17246 (rest_of_handle_eh): Ditto.
17247 * emit-rtl.c (unshare_all_rtl): Ditto.
17248 (remove_unnecessary_notes): Ditto.
17249 * except.h (set_nothrow_function_flags): Ditto.
17250 (convert_to_eh_region_ranges): Ditto.
17251 * cfgexpand.c (tree_expand_cfg): Ditto.
17252 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
17253 * tree-ssa-pre.c (do_pre): Ditto.
17254 (execute_fre): Ditto.
17255 * cfgcleanup.c (rest_of_handle_jump): Ditto.
17256 (rest_of_handle_jump2): Ditto.
17257 * tree-sra.c (tree_sra): Ditto.
17258 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
17259 (execute_mudflap_function_decls): Ditto.
17260 * tree-ssa-copy.c (do_copy_prop): Ditto.
17261 (do_store_copy_prop): Ditto.
17262 * ipa-prop.h (ipcp_driver): Ditto.
17263 * cfglayout.c (insn_locators_initialize): Ditto.
17264 * tree-ssa-forwprop.c
17265 (tree_ssa_forward_propagate_single_use_vars): Ditto.
17266 * cfglayout.h (insn_locators_initialize): Ditto.
17267 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
17268 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
17269 (execute_late_warn_uninitialized): Ditto.
17270 * rtl.h (cleanup_barriers): Ditto.
17271 (split_all_insns_noflow): Ditto.
17272 (purge_line_number_notes): Ditto.
17273 (unshare_all_rtl): Ditto.
17274 (remove_unnecessary_notes): Ditto.
17275 (recompute_reg_usage): Ditto.
17276 (variable_tracking_main): Ditto.
17277 * integrate.c (emit_initial_value_sets): Ditto.
17278 * integrate.h (emit_initial_value_sets): Ditto.
17279 * tree-optimize.c (execute_free_datastructures): Ditto
17280 (execute_free_cfg_annotations): Ditto.
17281 (execute_fixup_cfg): Ditto.
17282 (execute_cleanup_cfg_pre_ipa): Ditto.
17283 (execute_cleanup_cfg_post_optimizing): Ditto.
17284 (execute_init_datastructures): Ditto.
17285 * tree-object-size.c (compute_object_sizes): Ditto.
17286 * combine.c (rest_of_handle_combine): Ditto.
17287 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
17288 * bb-reorder.c (duplicate_computed_gotos): Ditto.
17289 (rest_of_handle_reorder_blocks): Ditto.
17290 (rest_of_handle_partition_blocks): Ditto.
17291 * var-tracking.c (variable_tracking_main): Ditto.
17292 * tree-profile.c (tree_profiling): Ditto.
17293 * tree-vect-generic.c (expand_vector_operations): Ditto.
17294 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
17295 * sched-rgn.c (rest_of_handle_sched): Ditto.
17296 (rest_of_handle_sched2): Ditto.
17297 * basic-block.h (free_bb_insn): Ditto.
17298 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
17299 * tree-cfg.c (execute_build_cfg): Ditto.
17300 (remove_useless_stmts): Ditto.
17301 (split_critical_edges): Ditto.
17302 (execute_warn_function_return): Ditto.
17303 (execute_warn_function_noreturn): Ditto.
17304 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
17305 * cfgrtl.c (free_bb_for_insn): Ditto.
17306 * passes.c (execute_one_pass): Run additional
17307 todos returned by execute function.
17308 * tree-pass.h (struct tree_opt_pass): Make execute
17311 2006-03-02 Richard Guenther <rguenther@suse.de>
17313 * tree-ssa-alias.c (find_used_portions): Consider taking
17314 the address as making the variable not write-only.
17316 2006-03-02 Nick Clifton <nickc@redhat.com>
17318 * config.gcc (default_use_cxa_atexit): Extend the description of
17319 this configure variable. Set its default value to "yes" for
17320 Linux, NetBSD and ELF targets on the assumption that they will
17321 use C libraries with the __cxa_atexit function.
17323 2006-03-02 Ben Elliston <bje@au.ibm.com>
17325 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
17326 parameter as unused to suppress a build warning.
17328 2006-03-02 Ben Elliston <bje@au.ibm.com>
17330 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
17333 2006-03-01 Roger Sayle <roger@eyesopen.com>
17336 * gthr-posix.h (__gthrw2): Define to take three parameters, the
17337 declared name, the weak reference name, and the typeof name.
17338 (__gthrw): Avoid expanding the declared name suffix.
17339 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
17341 2006-03-01 Jakub Jelinek <jakub@redhat.com>
17343 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
17345 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
17346 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
17347 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
17348 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
17349 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
17350 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
17351 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
17352 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
17353 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
17354 DW_DS_leading_separate, DW_DS_trailing_separate): New.
17355 (DW_END_default, DW_END_big, DW_END_little): New.
17356 (DW_END_lo_user, DW_END_hi_user): Define.
17357 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
17358 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
17359 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
17362 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17364 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
17366 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
17368 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
17370 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
17372 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
17373 to 'symbol_mem_tag'.
17375 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
17378 2006-03-01 Roger Sayle <roger@eyesopen.com>
17380 * builtins.c (fold_builtin_copysign): Delete unreachable code.
17382 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17385 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
17386 MACHO_DYNAMIC_NO_PIC_P.
17387 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
17389 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17392 * config/darwin-protos.h (darwin_asm_output_anchor):
17394 * config/darwin-sections.def (cstring_section):
17395 Add SECTION_MERGE to the flags.
17396 (literal4_section): Likewise.
17397 (literal8_section): Likewise.
17398 (objc_selector_refs_section): Likewise.
17399 (objc_cls_refs_section): Likewise.
17400 * config/darwin.c (darwin_asm_output_anchor): New
17402 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
17404 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
17406 Fix PR tree-optimization/26443
17407 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
17408 to todo and PROP_tmt_usage to properties_destroyed.
17409 * tree-ssa-ccp.c (pass_ccp): Ditto.
17410 (pass_store_ccp): Ditto.
17411 * tree-ssa-dom.c (pass_dominator): Ditto.
17413 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17415 * tree-ssa-operands.c: Cleanup whitespace.
17416 (get_asm_expr_operands): Move before first invocation.
17417 (get_indirect_ref_operands): Likewise.
17418 (get_tmr_operands): Likewise.
17419 (get_call_expr_operands): Likewise.
17420 (append_def): Likewise.
17421 (append_use): Likewise.
17422 (append_v_may_def): Likewise.
17423 (append_v_must_def): Likewise.
17424 (add_call_clobber_ops): Likewise.
17425 (add_call_read_ops): Likewise.
17426 (add_stmt_operand): Likewise.
17427 (add_virtual_operand): Likewise.
17428 (build_ssa_operands): Likewise.
17430 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
17432 PR middle-end/26022
17434 PR middle-end/24437
17435 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17436 with a call expr to ...
17437 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17439 2006-03-01 Diego Novillo <dnovillo@redhat.com>
17441 * tree-vrp.c (extract_range_from_assert): Remove special
17442 handling for types with super-types.
17444 2006-03-01 Ben Elliston <bje@au.ibm.com>
17446 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
17447 and powerpc64-*-linux* configurations.
17448 * config/t-dfprules: New file.
17450 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
17451 Compile dfp-bit.c from the source directory using -DWIDTH and
17452 $DFP_CFLAGS to control the compilation of that file, rather than
17453 generating width-specific versions in the build directory.
17454 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
17455 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
17457 2006-02-28 Zack Weinberg <zackw@panix.com>
17459 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
17462 2006-02-28 Eric Christopher <echristo@apple.com>
17464 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
17465 Set up IN_LIBGCC definition of TARGET_64BIT.
17466 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
17468 2006-02-28 Roger Sayle <roger@eyesopen.com>
17470 PR middle-end/14752
17471 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
17472 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
17473 cases via the construction of "expr != 0".
17475 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
17477 * alias.c (alias_invariant, alias_invariant_size): Remove.
17478 (record_base_value): Remove.
17479 (memrefs_conflict_p): Don't look at alias_invariant.
17480 (end_alias_analysis): Don't free it.
17481 * alias.h (record_base_value): Remove prototype.
17483 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
17484 Adam Nemet <anemet@caviumnetworks.com>
17486 * rtl.h (truncated_to_mode): Declare it.
17487 (struct rtl_hooks): Add reg_truncated_to_mode hook.
17488 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
17489 (RTL_HOOKS_INITIALIZER): Include it.
17490 * rtlhooks.c (reg_truncated_to_mode_general): New function.
17491 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
17492 reg_truncated_to_mode.
17493 * rtlanal.c (truncated_to_mode): Define it.
17494 * simplify-rtx.c (simplify_unary_operation_1): Use it.
17496 2006-02-28 Jeff Law <law@redhat.com>
17498 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
17499 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
17500 the range allowed by TYPE_PRECISION.
17502 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
17504 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
17506 PR tree-optimization/26419
17507 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
17510 2006-02-27 Zack Weinberg <zackw@panix.com>
17512 * doc/md.texi: Fix typo in previous change.
17514 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
17518 2006-02-27 Zack Weinberg <zackw@panix.com>
17520 * rtl.def (define_constraint, define_register_constraint)
17521 (define_memory_constraint, define_address_constraint): New MD forms.
17522 * gensupport.c (process_rtx): Put define_constraint etc on the
17524 * genpreds.c (process_define_predicate): Adjust comment. Validate
17525 the name, and call validate_exp to validate the expression.
17526 (mark_mode_tests, write_extract_subexp): Can assume correct input.
17527 (write_predicate_expr): Likewise. NAME argument no longer necessary;
17528 all callers changed.
17529 (validate_exp, needs_variable, struct constraint_data)
17530 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
17531 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
17532 (const_dbl_constraints, constraint_max_namelen)
17533 (have_register_constraints, have_memory_constraints)
17534 (have_address_constraints, have_address_constraints)
17535 (have_extra_constraints, have_const_int_constraints)
17536 (have_const_dbl_constraints, mangle, add_constraint)
17537 (process_define_constraint, process_define_register_constraint)
17538 (write_enum_constraint_num, write_lookup_constraint)
17539 (write_insn_constraint_len, write_regclass_for_constraint)
17540 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
17541 (write_insn_extra_memory_constraint)
17542 (write_insn_extra_address_constraint)
17543 (write_satisfies_constraint_fns): New.
17544 (write_tm_preds_h): If we have new-style constraint definitions,
17545 prototype the functions generated from them, and define the
17546 old constraint interface (still used by generic code) in terms of
17548 (write_insn_preds_c): If we have new-style constraint definitions,
17549 generate all relevant functions from those definitions.
17550 (main): Handle define_constraint etc.
17551 * genoutput.c (struct constraint_data, indep_constraints)
17552 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
17553 (mdep_constraint_len): New data structures and functions, defined
17554 #ifdef USE_MD_CONSTRAINTS.
17555 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
17556 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
17557 use new logic to validate operand constraints against constraint
17559 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
17561 * defaults.h: If none of the old-style constraint macros are
17562 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
17563 old-style macros; and poison REG_CLASS_FROM_LETTER,
17564 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
17566 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
17567 * doc/md.texi: Document new constraint-definition mechanism and the
17568 C interface it provides. Remove references to old mechanism
17569 elsewhere in the document.
17570 (Machine Constraints): Use pathnames relative to gcc directory,
17571 i.e. config/ARCH/FILE. Change i386 section to refer to
17572 config/i386/predicates.md; update that section to match docstrings.
17573 * doc/tm.texi: Move all documentation of the old constraint-
17574 definition macros to their own section, clearly mark as obsolete.
17576 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
17577 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
17579 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
17580 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
17581 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
17582 constraint strings.
17583 (splits and peepholes): Use satisfies_constraint_*.
17584 * config/i386/i386.c (memory_address_length)
17585 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
17587 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17589 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
17590 scalar operation to be put back into the loop.
17592 2006-02-27 Jakub Jelinek <jakub@redhat.com>
17595 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
17596 (extract_cie_info): Handle S flag in augmentation string.
17597 (execute_cfa_program): If context->signal_frame, execute also
17598 fs->pc == context->ra instructions.
17599 (uw_frame_state_for): If context->signal_frame, don't subtract one
17600 from context->ra to find FDE.
17601 (uw_update_context_1): Set context->signal_frame to
17603 (_Unwind_GetIPInfo): New function.
17604 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
17605 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
17607 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
17608 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
17609 * unwind-compat.c (_Unwind_GetIPInfo): New function.
17610 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
17611 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
17612 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
17613 * config/i386/linux-unwind.h (x86_fallback_frame_state,
17614 x86_64_fallback_frame_state): Set fs->signal_frame.
17615 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
17616 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
17617 (frob_update_context): Likewise. Workaround missing S flag in
17618 Linux 2.6.12 - 2.6.16 kernel vDSOs.
17619 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
17620 Remove the psw_addr + 1 hack.
17622 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
17624 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
17625 with aggregates here.
17626 (find_func_aliases): Remove code for &<aggregate> from here.
17628 2006-02-26 Roger Sayle <roger@eyesopen.com>
17630 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
17631 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
17632 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
17633 as (X & C) ne/eq 0.
17635 2006-02-26 Roger Sayle <roger@eyesopen.com>
17637 PR middle-end/19983
17638 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
17640 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
17642 * opts.c (decode_options): Do not handle flag_strength_reduce.
17643 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
17644 and OPT_fstrength_reduce.
17645 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
17646 flag_prefetch_loop_arrays for being nonzero.
17647 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
17649 (fprefetch-loop-arrays-rtl): Removed.
17650 (flag_prefetch_loop_arrays): Do not specify the value.
17652 * doc/passes.texi: Update documentation of loop optimizer
17654 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
17655 -frerun-loop-opt): Remove.
17657 2006-02-26 Richard Guenther <rguenther@suse.de>
17659 PR tree-optimization/26421
17660 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
17661 in function calls that are ADDR_EXPRs as using the whole structure.
17663 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
17665 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
17666 * tree-pass.h (pass_loop_optimize): Remove.
17667 * passes.c (pass_loop_optimize): Never run it.
17668 * toplev.c (backend_init): Don't call init_loop.
17669 * opts.c (flag_loop_optimize_set): Remove.
17670 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
17671 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
17672 the old RTL loop optimizer when profiling enabled.
17673 * predict.c (tree_estimate_probability): Always strip builtin_expect.
17674 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
17675 pre-headers for the sake of the old RTL loop optimizer.
17676 * Makefile.in: Remove all references to loop.o.
17678 * doc/invoke.texi: Remove all references to -floop-optimize
17679 and -frerun-loop-opt.
17681 2006-02-26 Zack Weinberg <zackw@panix.com>
17683 * doc/md.texi (Machine Constraints): Refer to all files with paths
17684 relative to gcc directory (i.e. config/CPU/file). Add missing
17685 @table @code ... @end table to M32C subsection.
17687 2006-02-26 Roger Sayle <roger@eyesopen.com>
17689 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
17691 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
17693 2006-02-26 Roger Sayle <roger@eyesopen.com>
17694 James A. Morrison <phython@gcc.gnu.org>
17696 PR middle-end/21137
17697 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
17698 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
17699 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
17700 signedness of the shift operation.
17702 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
17704 PR tree-optimization/26359
17705 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
17707 2006-02-25 Roger Sayle <roger@eyesopen.com>
17709 * simplify-rtx.c (simplify_relational_operation_1): Simplify
17710 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
17711 as X == 0, and some symmetry related transformations.
17712 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
17714 2006-02-25 Roger Sayle <roger@eyesopen.com>
17716 PR middle-end/23673
17717 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
17718 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
17719 symmetry related transformations. Fold (X^C1) == C2 as
17722 2006-02-25 Juergen Weigert <jw@suse.de>
17723 Richard Guenther <rguenther@suse.de>
17725 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
17727 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
17729 * combine.c (gen_lowpart_or_truncate): Call
17730 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
17732 2006-02-24 Diego Novillo <dnovillo@redhat.com>
17734 * doc/invoke.texi: Move -fopenmp description to "Options for
17736 Remove reference to -lgomp.
17738 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17740 * doc/install.texi: Require GNU tar version 1.14.
17742 2006-02-24 Geoffrey Keating <geoffk@apple.com>
17744 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
17745 * doc/invoke.texi (C++ Dialect Options): Document
17746 -fno-use-cxa-get-exception-ptr.
17747 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
17748 * configure: Regenerate.
17749 * c.opt (fuse-cxa-get-exception-ptr): New.
17750 * c-opts.c (c_common_handle_option): Handle
17751 OPT_fuse_cxa_get_exception_ptr.
17752 * c-common.c (flag_use_cxa_atexit): Update documentation.
17753 (flag_use_cxa_get_exception_ptr): New.
17754 * c-common.h (flag_use_cxa_get_exception_ptr): New.
17755 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
17757 (C_COMMON_OVERRIDE_OPTIONS): New.
17759 2006-02-24 Roger Sayle <roger@eyesopen.com>
17761 PR middle-end/24952
17762 * combine.c (try_combine): Explicitly check whether GET_CODE is
17763 a SET or a CLOBBER, instead on checking that it isn't a USE.
17765 2006-02-24 Roger Sayle <roger@eyesopen.com>
17767 * fold-const.c (fold_comparison): New subroutine of fold_binary
17768 containing transformations common to both the equality and
17769 ordering relational operators, factored out of fold_binary.
17770 (fold_binary): Separate out the equality operators (EQ_EXPR
17771 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
17772 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
17773 transformations common to both.
17774 (fold_div_compare): Fix latent bugs in the previously unreachable
17775 LT_EXPR and GE_EXPR cases.
17777 2006-02-24 David Edelsohn <edelsohn@gnu.org>
17779 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
17780 decl libname for clog to __clog on AIX.
17782 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
17784 2006-02-24 Alan Modra <amodra@bigpond.net.au>
17787 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
17788 output traceback table for thunks. Localise rs6000_stack_info call.
17790 2006-02-23 Roger Sayle <roger@eyesopen.com>
17791 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17793 * gthr-posix.h (__gthrw): Fix typo in comment.
17795 2006-02-23 Geoffrey Keating <geoffk@apple.com>
17797 * doc/cpp.texi (Character sets): Document that we do support
17798 input files to be in any character set.
17800 2006-02-23 Jeff Law <law@redhat.com>
17802 * tree.h (PHI_ARG_NONZERO): Remove.
17803 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
17804 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
17805 node to the new node.
17807 PR tree-optimization/26425
17808 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
17809 min/max, then assume its varying.
17811 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17813 PR rtl-optimization/26316
17814 * rtlanal.c (enum may_trap_p_flags): New.
17815 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
17816 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
17817 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
17818 (may_trap_after_code_motion_p): New function.
17819 * loop-invariant.c (find_identical_invariants): Fix dump formating.
17820 (find_invariant_insn): Use may_trap_after_code_motion_p.
17821 * rtl.h (may_trap_after_code_motion_p): Declare.
17823 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
17825 * emit-rtl.c (immed_double_const): Cleanup.
17827 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
17829 Fix PR tree-optimization/26376
17830 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
17833 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17835 PR middle-end/26412
17836 * gimplify.c (omp_add_variable): Guard variable size decl test with
17837 DECL_SIZE (decl) check.
17839 2006-02-23 Richard Guenther <rguenther@suse.de>
17841 PR middle-end/26439
17842 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
17843 like aggregate types.
17845 2006-02-23 Jakub Jelinek <jakub@redhat.com>
17847 * configure.ac: Add --with{,out}-long-double-128 configure option.
17848 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
17849 * configure: Rebuilt.
17850 * config.in: Rebuilt.
17851 * doc/install.texi (Options specification): Document
17852 --with-long-double-128.
17854 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17855 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17856 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
17857 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
17859 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
17861 * config/s390/s390.c (override_options): Handle
17862 TARGET_DEFAULT_LONG_DOUBLE_128.
17864 * config/alpha/alpha.c (override_options): Handle
17865 TARGET_DEFAULT_LONG_DOUBLE_128.
17867 * config/sparc/sparc.c (sparc_override_options): Handle
17868 TARGET_DEFAULT_LONG_DOUBLE_128.
17870 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
17872 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
17873 (real-install-headers-tar, real-install-headers-cpio)
17874 (real-install-headers-cp): New targets.
17876 2006-02-22 Richard Sandiford <richard@codesourcery.com>
17878 * tree.h (variable_section): Delete.
17879 * varasm.c (variable_section): Delete.
17881 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
17883 * install.texi: Add notes on install.texi2html.
17884 (Building in parallel): Do not use footnotes.
17886 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
17889 * doc/install.texi (Configuration): Document --disable-libgomp.
17891 2006-02-21 Geoffrey Keating <geoffk@apple.com>
17893 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
17895 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17897 * config/i386/sse.md (vec_extractv2df_1_sse): New.
17898 (vec_extractv2df_0_sse): New.
17900 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
17902 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
17903 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
17904 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
17905 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
17906 to the result of the expression.
17907 (def_cfa_1): Adjust.
17908 (frame_pointer_cfa_offset): Rename to...
17909 (frame_pointer_fb_offset): ... this. Adjust all uses.
17910 (convert_cfa_to_loc_list): Rename to...
17911 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
17912 Pass it on to build_cfa_loc.
17913 (compute_frame_pointer_to_cfa_displacement): Rename to...
17914 (compute_frame_pointer_to_fb_displacement): ... this. New
17915 offset parameter. Use it in computation.
17916 (gen_subprogram_die): Compute cfa_fb_offset with the new
17917 macro, and use it to compute the fb loc list and the
17920 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
17922 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
17923 replaced with register_operand.
17924 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
17925 non-DREG is expensive.
17926 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
17927 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
17930 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
17932 * doc/install.texi2html: Use set -e.
17934 2006-02-21 Richard Sandiford <richard@codesourcery.com>
17936 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17937 (ASM_OUTPUT_SHARED_LOCAL): Delete.
17938 * doc/invoke.texi (-fshared-data): Delete.
17939 * common.opt (fshared-data): Delete.
17940 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
17941 (assemble_static_space): Remove #if 0 code.
17942 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
17943 (ASM_OUTPUT_SHARED_LOCAL): Poison.
17944 * config/cris/cris.h: Remove FIXME.
17946 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
17948 * doc/sourcebuild.texi (Front End Directory): No more double-colon
17951 2006-02-21 Jakub Jelinek <jakub@redhat.com>
17953 PR middle-end/26379
17954 * combine.c (simplify_shift_const_1): Disable nested shifts
17955 optimization for vector shifts.
17957 2006-02-20 Roger Sayle <roger@eyesopen.com>
17959 PR tree-optimization/26361
17960 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
17961 of unsigned integer types.
17963 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
17965 * tree-chrec.c (eq_evolutions_p): New.
17966 * tree-chrec.h (eq_evolutions_p): Declared.
17967 * tree-data-ref.c: Fix formatting.
17968 (datadep_stats, dependence_stats): New.
17970 (print_direction_vector): New.
17971 (dump_data_dependence_relation): Use print_direction_vector.
17972 (object_analysis, create_data_ref): Handle COMPONENT_REF.
17973 (compute_subscript_distance): Static.
17974 (initialize_data_dependence_relation): Static. Get the number
17975 of loops surrounding the references from the callers, and initialize
17976 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
17977 base_object_differ_p analyzers.
17978 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
17979 compute_overlap_steps_for_affine_1_2,
17980 analyze_subscript_affine_affine): Count the classified dependences.
17981 Print a message when a test failed.
17982 (can_use_analyze_subscript_affine_affine): New.
17983 (analyze_siv_subscript): Compute the data dependences on symbolic
17984 scevs that verify can_use_analyze_subscript_affine_affine.
17985 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
17986 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
17987 Handle symbolic scevs.
17988 (analyze_overlapping_iterations): Let symbolic affine scevs to be
17990 (subscript_dependence_tester): Moved...
17991 (build_classic_dist_vector, build_classic_dir_vector): Don't use
17992 lambda_vector_clear on newly allocated vectors. Get nb_loops from
17993 DDR_SIZE_VECT instead of getting it in parameter.
17994 (subscript_dependence_tester): ... here. Take as a parameter
17995 loop_nest_depth. Call build_classic_dist_vector and
17996 build_classic_dir_vector.
17997 (compute_affine_dependence): Update subscript_dependence_tester
17998 parameters. Update datadep_stats counters. Call
17999 compute_subscript_distance.
18000 (compute_self_dependence): Save the dist and dir vectors. Call
18001 compute_subscript_distance.
18002 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
18003 (compute_all_dependences): Reorder parameters as they were before
18004 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
18005 compute_subscript_distance. Update the use of
18006 compute_affine_dependence and initialize_data_dependence_relation.
18007 (find_data_references_in_loop): Handle COMPONENT_REF.
18008 (compute_data_dependences_for_loop): Initialize dependence_stats.
18009 Don't call build_classic_dist_vector and build_classic_dir_vector.
18010 Update the parameters of initialize_data_dependence_relation and
18011 compute_all_dependences. Print the statistics from datadep_stats.
18012 (analyze_all_data_dependences): Static. Not used until the pass for
18013 checking the data dependences is contributed.
18014 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
18015 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
18016 (initialize_data_dependence_relation, compute_affine_dependence,
18017 analyze_all_data_dependences, compute_subscript_distance): Removed.
18018 (print_direction_vector): New.
18019 * lambda.h (gcd): ... here.
18020 (lambda_vector_gcd): Moved here from gcd_vector.
18021 * lambda-code.c (gcd, gcd_vector): Removed.
18022 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
18023 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
18025 2006-02-20 Diego Novillo <dnovillo@redhat.com>
18027 * ipa-type-escape.c: Tidy some comments and white space.
18028 * tree-ssa-operands.c: Likewise.
18030 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
18033 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
18034 (dump_decl_name): Do not walk the decl tree chains.
18035 * tree-pass.h (TDF_CHAIN): Remove.
18037 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18039 * Makefile.in (C): Remove
18041 (.PHONY): Remove C and PROTO
18043 2006-02-20 Roger Sayle <roger@eyesopen.com>
18045 PR middle-end/26236
18046 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
18047 deprecated CHAR_TYPE tree code.
18049 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18051 * configure.ac (target_list): Add install-info, dvi, html.
18052 * configure: Regenerate.
18054 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
18055 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
18056 treelang/Make-lang.in: Do not use double-colon rules.
18058 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
18060 * tree.h (struct tree_memory_tag): Add is_used_alone member.
18061 (TMT_USED_ALONE): New macro.
18062 * tree-pass.h (PROP_tmt_usage): New property.
18063 (TODO_update_tmt_usage): New todo.
18064 * tree-ssa-alias.c (updating_used_alone): New variable.
18065 (recalculate_used_alone): New function.
18066 (compute_may_aliases): Set updating_used_alone, call
18067 recalculate_used_alone.
18068 * tree-sra.c (pass_sra): Note that this pass destroys
18069 PROP_tmt_usage, and add TODO_update_tmt_usage.
18070 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
18071 * tree-flow.h (updating_used_alone): Prototype.
18072 (recalculate_used_alone): Ditto.
18073 * passes.c (execute_todo): Add code to set updating_used_alone,
18074 and call recalculate.
18075 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
18076 for clobber if used alone, and add assert to verify used_alone
18079 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
18081 * config/s390/s390.c (legitimize_pic_address): Assertions checking
18082 for non tls symbols added.
18083 (legitimize_address): Do nothing for PLUS expressions if one of the
18084 addends is a tls symbol reference.
18086 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
18090 * Makefile.in (LDFLAGS): Define from autoconf substitution.
18092 * Makefile.in (BOOTSTRAPPING): New.
18093 (quickstrap): New definition if BOOTSTRAPPING=yes.
18095 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
18096 * configure.ac: Substitute all_selected_languages with the languages
18097 that were configured. For all the other variables except
18098 lang_specs_files, include all the languages in the tree.
18099 * configure: Regenerate.
18101 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
18102 if there is one. Run the commands to run fixincludes in the same
18105 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
18106 * doc/install.texi: Document exact conventions for searching target tools.
18107 Document --with-build-time-tools. Document toplevel bootstrap. Document
18108 something more about building an Ada cross-compiler. Don't list GNU Make
18109 requirements which affect all platforms.
18111 2006-02-19 Roger Sayle <roger@eyesopen.com>
18113 PR middle-end/19543
18114 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
18115 only equivalent if the have both the same mode and precision.
18117 2006-02-20 Ben Elliston <bje@au.ibm.com>
18119 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
18121 2006-02-19 Roger Sayle <roger@eyesopen.com>
18122 Steven Bosscher <stevenb.gcc@gmail.com>
18124 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
18125 constant pool references to identify stack mode constants.
18126 * rtlanal.c (constant_pool_constant_p): New predicate to check
18127 whether operand is a floating point constant in the pool.
18128 * rtl.h (constant_pool_constant_p): Prototype here.
18129 * loop.c (scan_loop): Avoid hoisting constants from the constant
18130 pool on STACK_REGS targets.
18131 (load_mems): Likewise.
18132 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
18133 loads into x87 registers expensive in terms of register pressure.
18135 2006-02-19 Roger Sayle <roger@eyesopen.com>
18137 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
18138 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
18140 2006-02-19 David Edelsohn <edelsohn@gnu.org>
18142 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
18143 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
18145 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
18147 * doc/invoke.texi: Document -fipa-pta.
18148 * common.opt: Add ipa-pta option.
18149 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
18150 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
18151 (do_ds_constraint): Ditto.
18152 (get_constraint_for): Only add to referenced_vars if
18153 referenced_vars exists.
18154 (insert_into_field_list): Rewrite to do this unsorted.
18155 (insert_into_field_list_sorted): Rename old insert_into_field_list
18157 (create_function_info_for): Use insert_into_field_list_sorted.
18158 (create_variable_info_for): Rewrite so it uses unsorted version,
18159 since the field list is sorted.
18160 (intra_create_variable_infos): Only add to referenced_vars if
18161 referenced_vars exists.
18162 (ipa_pta_execute): Init heapvars, and delete when done.
18163 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
18165 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18167 * doc/install.texi: Add missing `@samp'.
18169 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18171 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
18174 2006-02-18 Mark Wielaard <mark@klomp.org>
18176 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
18177 who added new 4.1 features, bug fixes and integration support.
18179 2006-02-18 David Edelsohn <edelsohn@gnu.org>
18182 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
18183 MEM for ABI_V4 pic.
18185 2006-02-18 Richard Sandiford <richard@codesourcery.com>
18187 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
18188 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
18189 (copy_insn_1): Likewise. Don't copy each field individually.
18191 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
18193 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
18194 * rtl.c (rtx_size): Rename variable to...
18195 (rtx_code_size): ...this.
18196 (rtx_size): New function.
18197 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
18198 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
18200 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
18201 * rtl.h (rtx_code_size): New variable.
18202 (rtx_size): Change from a variable to a function.
18203 (RTX_SIZE): Rename to...
18204 (RTX_CODE_SIZE): ...this.
18207 PR tree-optimization/17106
18208 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
18209 (Anchored Addresses): New section.
18210 * doc/invoke.texi (-fsection-anchors): Document.
18211 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
18212 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
18213 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
18214 * hooks.c (hook_bool_mode_rtx_false): New function.
18215 * hooks.h (hook_bool_mode_rtx_false): Declare.
18216 * gengtype.c (create_optional_field): New function.
18217 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
18218 SYMBOL_REF_IN_BLOCK_P is true.
18219 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
18220 (min_anchor_offset, max_anchor_offset): Likewise.
18221 (use_anchors_for_symbol_p): New hook.
18222 * toplev.c (compile_file): Call output_object_blocks.
18223 (target_supports_section_anchors_p): New function.
18224 (process_options): Check that -fsection-anchors is only used on
18225 targets that support it and when -funit-at-a-time is in effect.
18226 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
18227 if the decl doesn't have one.
18228 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
18229 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
18230 of force_const_mem through use_anchored_address.
18231 (expand_expr_constant): New function.
18232 (expand_expr_addr_expr_1): Call it. Use the same modifier when
18233 calling expand_expr for INDIRECT_REF.
18234 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
18235 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
18236 * expr.h (use_anchored_address): Declare.
18237 * loop-unroll.c: Don't declare rtx vectors here.
18238 * explow.c: Include output.h.
18239 (validize_mem): Call use_anchored_address.
18240 (use_anchored_address): New function.
18241 * common.opt (-fsection-anchors): New switch.
18242 * varasm.c (object_block_htab, anchor_labelno): New variables.
18243 (hash_section, object_block_entry_eq, object_block_entry_hash)
18244 (use_object_blocks_p, get_block_for_section, create_block_symbol)
18245 (use_blocks_for_decl_p, change_symbol_section): New functions.
18246 (get_variable_section): New function, split out from assemble_variable.
18247 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
18248 use_blocks_for_decl_p say so. Use change_symbol_section if the
18249 symbol has already been created.
18250 (assemble_variable_contents): New function, split out from...
18251 (assemble_variable): ...here. Don't output any code for
18252 block symbols; just pass them to place_block_symbol.
18253 Use get_variable_section and assemble_variable_contents.
18254 (get_constant_alignment, get_constant_section, get_constant_size): New
18255 functions, split from output_constant_def_contents.
18256 (build_constant_desc): Create a block symbol if use_object_blocks_p
18257 says so. Or into SYMBOL_REF_FLAGS.
18258 (assemble_constant_contents): New function, split from...
18259 (output_constant_def_contents): ...here. Don't output any code
18260 for block symbols; just pass them to place_section_symbol.
18261 Use get_constant_section and get_constant_alignment.
18262 (force_const_mem): Create a block symbol if use_object_blocks_p and
18263 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
18264 (output_constant_pool_1): Add an explicit alignment argument.
18265 Don't switch sections here.
18266 (output_constant_pool): Adjust call to output_constant_pool_1.
18267 Switch sections here instead. Don't output anything for block symbols;
18268 just pass them to place_block_symbol.
18269 (init_varasm_once): Initialize object_block_htab.
18270 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
18271 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
18272 (place_block_symbol, get_section_anchor, output_object_block)
18273 (output_object_block_htab, output_object_blocks): New functions.
18274 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
18275 (TARGET_ASM_OUT): Include it.
18276 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
18277 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
18278 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
18279 (TARGET_INITIALIZER): Include them.
18280 * rtl.c (rtl_check_failed_block_symbol): New function.
18281 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
18282 (block_symbol, object_block): New structures.
18283 (rtx_def): Add a block_symbol field to the union.
18284 (BLOCK_SYMBOL_CHECK): New macro.
18285 (rtl_check_failed_block_symbol): Declare.
18286 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
18287 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
18288 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
18289 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
18290 * output.h (output_section_symbols): Declare.
18291 (object_block): Name structure.
18292 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
18293 (default_use_anchors_for_symbol_p): Declare.
18294 * Makefile.in (RTL_BASE_H): Add vec.h.
18295 (explow.o): Depend on output.h.
18296 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
18297 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
18298 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
18299 (rs6000_use_blocks_for_constant_p): New function.
18301 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18303 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
18305 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
18308 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
18311 2006-02-18 Diego Novillo <dnovillo@redhat.com>
18313 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
18317 2006-02-18 Jakub Jelinek <jakub@redhat.com>
18319 PR middle-end/26334
18320 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
18321 instead of DECL_REGISTER.
18323 2006-02-18 Olivier Hainque <hainque@adacore.com>
18326 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
18328 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
18331 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
18332 * opth-gen.awk: Handle Var and InverseMask together.
18333 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
18334 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
18335 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
18336 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
18338 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18339 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18340 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
18341 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18342 LINUX_DYNAMIC_LINKER): Define.
18343 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
18344 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
18346 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18347 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
18348 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18350 (TARGET_C99_FUNCTIONS): Don't define.
18351 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
18352 GLIBC_DYNAMIC_LINKER.
18353 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
18354 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
18355 GLIBC_DYNAMIC_LINKER64): Define.
18356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18357 LINUX_DYNAMIC_LINKER64.
18358 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18359 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18360 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
18361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18362 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18364 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
18365 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
18366 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
18367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
18368 and LINUX_DYNAMIC_LINKER32.
18369 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18370 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18371 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
18372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18373 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
18375 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
18376 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
18377 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
18378 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18379 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18380 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
18381 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
18382 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
18383 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18384 LINUX_DYNAMIC_LINKER): Define.
18385 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
18386 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
18387 GLIBC_DYNAMIC_LINKER64): Define.
18388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
18389 LINUX_DYNAMIC_LINKER64.
18390 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18391 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18392 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
18393 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
18394 LINUX_DYNAMIC_LINKER): Define.
18395 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18396 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18397 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
18398 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
18399 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
18400 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
18401 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
18402 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
18403 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
18404 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18405 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18406 * doc/invoke.texi (-muclibc): Remove caveat about supported
18409 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
18411 * doc/cpp.texi (__TIMESTAMP__): Document.
18413 2006-02-17 Roger Sayle <roger@eyesopen.com>
18415 PR middle-end/25600
18416 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
18417 C is one less than the width of X (and related transformations).
18418 * simplify-rtx.c (simplify_unary_operation_1): Transform
18419 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
18420 depending on STORE_FLAG_VALUE, were C is one less then the
18423 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
18425 Fix PR tree-optimization/26341
18426 * tree-ssa-operands.c (add_virtual_operand): Remove assert
18427 about NAME_MEMORY_TAG's.
18429 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18432 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
18433 with hardware float support, and software float support. Add fcpy
18434 alternative to hardware patterns. Add alternatives to copy between
18435 general and floating-point registers to the 32-bit pattern.
18436 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
18437 secondary reload to load a QI or HI mode constant into a floating
18439 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
18440 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
18442 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
18445 * config/rs6000/darwin.md (load_macho_picbase_si): Add
18447 (load_macho_picbase_di): Likewise.
18449 2006-02-16 Jeff Law <law@redhat.com>
18451 * tree-vrp.c (set_value_range_to_nonnegative): New function.
18452 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
18453 (ssa_name_nonzero_p): Likewise.
18454 (get_value_range): Return NULL if VRP is not running.
18455 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
18456 VRP routines do not discover a range.
18457 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
18458 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
18459 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
18460 (tree_expr_nonnegative_p): Similarly.
18461 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
18462 (restore_nonzero_vars_to_original_value): Remove.
18463 (unsafe_associative_fp_binop): Remove.
18464 (tree_ssa_dominator_optimize): Remove initialization and
18465 finalization of nonzero_vars and nonzero_vars_stack.
18466 (dom_opt_initialize_block): No longer push marker on
18467 nonzero_vars_stack.
18468 (dom_opt_finalize_block): No longer call
18469 restore_nonzero_vars_to_original_value.
18470 (record_equivalences_from_phis): No longer look for
18471 nonzero PHI arguments.
18472 (cprop_into_successor_phis): No longer propagate nonzero
18473 property into PHI arguments. Lose unused argument. Caller
18475 (record_equivalences_from_stmt): No longer record nonzero
18476 values for SSA_NAMEs.
18477 (lookup_avail_expr): No longer use nonzero_vars.
18479 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
18480 for sizetype when sizetype is unsigned.
18482 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
18484 PR rtl-optimization/25603
18485 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
18486 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
18487 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
18488 with new meaning of SETS.
18490 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
18495 * config/linux.opt: New file.
18496 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
18497 LINUX_DYNAMIC_LINKER): Define.
18498 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
18499 * config.gcc (*-*-linux*): Define extra_options.
18500 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
18501 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
18502 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
18503 GLIBC_DYNAMIC_LINKER.
18504 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
18505 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18506 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
18507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
18508 * doc/invoke.texi (GNU/Linux Options): New section.
18510 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
18512 * config/sparc/sparc.md (setjmp): Rewrite.
18513 (setjmp_32): Delete.
18514 (setjmp_64): Likewise.
18516 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
18518 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
18521 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18523 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
18526 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
18528 PR rtl-optimization/26296
18529 * Makefile.in (loop-invariant.c): Add except.h dependency.
18530 * loop-invariant.c: Include except.h.
18531 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
18533 2005-02-16 Paul Brook <paul@codesourcery.com>
18535 * reload1.c (emit_reload_insns): Invalidate dead input registers used
18538 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
18540 PR rtl-optimization/25636
18541 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
18542 when deciding whether an insn is an initializing insn.
18544 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
18546 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
18547 (tree_code_size): Ditto.
18548 * tree.h (struct tree_memory_tag): Remove parent_var.
18549 (struct tree_struct_field_tag): New.
18552 (union tree_node): Add sft member.
18553 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
18555 (create_sft): Add size and offset argument, set SFT_OFFSET and
18557 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
18558 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
18559 * tree-flow-inline.h (get_subvar_at): Update for
18560 SFT_OFFSET/SFT_SIZE.
18561 (var_can_have_subvars): Ditto.
18562 (overlap_subvar): Ditto.
18563 * print-tree.c (print_node): Print out interesting things for
18565 * tree-flow.h (struct subvar): Remove offset and size members.
18566 * tree-ssa-operands.c (get_expr_operands): Update for
18567 get_indirect_ref_operands changes.
18568 (get_indirect_ref_operands): Call add_virtual_operand instead of
18569 add_stmt_operand. Only recurse on base var if requested.
18570 (access_can_touch_variable): New function.
18571 (add_stmt_operand): Split virtual operand handling into ...
18572 (add_virtual_operand): Here. Add offset, size, and for_clobber
18573 arguments. Prune alias sets.
18574 (add_call_clobber_ops): Call add_virtual_operand.
18576 2006-02-15 Jakub Jelinek <jakub@redhat.com>
18578 PR middle-end/26300
18579 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
18581 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
18582 than TREE_CODE as index into omp_clause_num_ops array.
18584 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
18586 PR rtl-optimization/26184
18587 * modulo-sched.c (generate_reg_moves): Free bitmap vector
18589 * modulo-sched.c (sms_schedule): Free g_arr pointer.
18590 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
18591 must_precede, must_follow and tobe_scheduled.
18594 * opts.c (common_handle_option): Free new_option pointer.
18595 * df-core.c (df_analyze): Free postorder pointer.
18597 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
18599 * Makefile.in: Fix the examples about the use of stamps
18601 2006-02-15 Michael Matz <matz@suse.de>
18603 PR middle-end/22275
18605 * stor-layout.c (layout_decl): Zero-width bitfields aren't
18606 influenced by maximum_field_alignment or DECL_PACKED.
18607 (update_alignment_for_field): Ditto.
18608 (place_field): Ditto.
18609 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
18612 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
18614 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
18615 (debug_flow_info): Pass it.
18616 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
18617 * bb-reorder.c (reorder_basic_blocks): Likewise.
18618 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
18619 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
18620 * flow.c (life_analysis, recompute_reg_usage): Likewise.
18621 * gcse.c (gcse_main, bypass_jumps): Likewise.
18622 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
18623 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
18624 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
18625 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
18626 * rtl.h (dump_flow_info): Adjust prototype.
18627 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
18628 * var-tracking.c (variable_tracking_main): Likewise.
18629 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
18630 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
18633 2006-02-15 Marcin Dalecki <martin@dalecki.de>
18635 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
18638 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18640 PR tree-optimization/26209
18641 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
18642 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
18644 * tree-cfg.c (replace_uses_by): Do not alter cfg.
18646 2006-02-14 Roger Sayle <roger@eyesopen.com>
18648 PR middle-end/23670
18649 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
18650 (X,Y) and the corresponding symmetry related transformations.
18651 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
18652 (X,Y) and its symmetry related transformations.
18654 2006-02-14 Roger Sayle <roger@eyesopen.com>
18656 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
18659 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
18661 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
18663 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
18666 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
18667 support COMDAT group.
18668 * configure: Regenerate.
18670 2006-02-14 Roger Sayle <roger@eyesopen.com>
18672 PR middle-end/26279
18673 PR middle-end/26280
18674 PR middle-end/26283
18675 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
18677 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
18679 Fix PR tree-optimization/26260
18681 * doc/invoke.texi (max-fields-for-field-sensitive): Document
18683 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
18684 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
18685 * tree-ssa-structalias.c (create_variable_info_for): Use
18686 MAX_FIELDS_FOR_FIELD_SENSITIVE.
18688 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
18690 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
18692 * tree-ssa-loop-niter.c (number_of_iterations_ne,
18693 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
18694 of the ending condition.
18695 * tree-ssa-loop-manip.c: Include params.h.
18696 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
18697 tree_unroll_loop): New functions.
18698 * tree-pass.h (pass_loop_prefetch): Declare.
18699 * loop.c (rest_of_handle_loop_optimize): Test for
18700 -fprefetch-loop-arrays-rtl.
18701 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
18702 * timevar.def (TV_TREE_PREFETCH): New timevar.
18703 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
18704 pass_loop_prefetch): New.
18705 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
18706 (cleanup_tree_cfg_loop): Call scev_reset.
18707 * common.opt (fprefetch-loop-arrays-rtl): Add.
18708 * tree-ssa-loop-prefetch.c: New file.
18709 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
18710 (new_temp_expr_table): Initialize expr_vars.
18711 (free_temp_expr_table): Cleanup expr_vars.
18712 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
18713 expressions from being merged into one.
18714 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
18715 (struct tree_niter_desc): Add control, bound and cmp fields.
18716 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
18718 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
18719 (tree-cfgcleanup.o): Add SCEV_H dependency.
18720 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
18721 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
18723 2006-02-14 Richard Guenther <rguenther@suse.de>
18725 PR tree-optimization/26258
18726 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
18727 in PHI argument processing.
18729 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
18731 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
18732 new expression in the requested machine mode.
18734 2006-02-13 Roger Sayle <roger@eyesopen.com>
18736 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
18737 directly, instead let do_compare_rtx_and_jump handle this for us.
18738 * expr.c (expand_expr_real_1): Likewise.
18739 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
18740 before do_jump_by_parts_greater.
18741 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
18742 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
18744 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18746 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
18748 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18750 PR rtl-optimization/26235
18751 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
18752 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
18755 2006-02-13 Jeff Law <law@redhat.com>
18757 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
18760 2006-02-13 Jakub Jelinek <jakub@redhat.com>
18762 PR middle-end/26092
18763 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
18764 twice if decl is a builtin. When trying again, call get_callee_fndecl
18765 first to verify it is still a builtin.
18767 2006-02-13 Geoffrey Keating <geoffk@apple.com>
18769 * dwarf2out.c (base_type_die): Don't add AT_name here.
18770 (subrange_type_die): Don't add AT_name here.
18771 (modified_type_die): Rearrange code flow. Do add AT_name here.
18773 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
18775 PR rtl-optimization/26247
18776 PR rtl-optimization/26248
18777 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
18779 2006-02-13 Richard Sandiford <richard@codesourcery.com>
18781 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
18782 * config/fixtfdi.c: Likewise.
18783 * config/fixunstfdi.c: Likewise.
18784 * config/floatditf.c: Likewise.
18786 2006-02-13 Roger Sayle <roger@eyesopen.com>
18788 PR middle-end/24427
18789 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
18790 into (X,C2) if C1 is a subset of the bits of C2. Transform
18791 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
18793 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
18795 2006-02-13 Josh Conner <jconner@apple.com>
18798 * varasm.c (function_section): Check for section name before
18799 calling select_section on targets that define
18800 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
18801 unlikely_text_section instead of hot_function_section if
18802 first_function_block_is_cold.
18804 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
18806 PR middle-end/25335
18807 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
18809 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18811 PR rtl-optimization/26222
18812 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
18813 after tree->rtl expansion.
18814 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
18815 before passing it to emit_move_insn.
18817 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
18819 * doc/invoke.texi (-Write-strings): Document that it is enabled by
18821 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
18822 Clarify documentation.
18823 * c-common.h (warn_write_strings): Remove.
18824 * c-common.c (warn_write_strings): Likewise.
18825 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
18828 2006-02-12 Roger Sayle <roger@eyesopen.com>
18830 PR middle-end/25724
18831 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
18832 (do_jump_parts_zero_rtx): New function renamed from
18833 do_jump_parts_equality_rtx. Made static. Add a mode argument.
18834 (do_jump_parts_equality_rtx): New function split out from
18835 do_jump_parts_equality. Old implementation renamed as above.
18836 Call do_jump_parts_zero_rtx if either operand is zero.
18837 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
18838 do all of the heavy lifting.
18839 (do_compare_rtx_and_jump): Handle multi-word comparisons by
18840 calling either do_jump_by_parts_greater_rtx or
18841 do_jump_by_parts_equality_rtx.
18842 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
18843 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
18844 moved to do_compare_rtx_and_jump, call it directly.
18845 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
18846 mode argument. Call do_compare_rtx_and_jump.
18847 (emit_case_nodes): Update calls to do_jump_if_equal.
18849 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18851 PR rtl-optimization/26225
18852 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
18854 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
18856 PR rtl-optimization/26232
18857 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
18859 2006-02-11 Jason Merrill <jason@redhat.com>
18862 * tree-inline.c (declare_return_variable): Just don't use the
18863 modify target if it's a gimple complex reg and the return slot
18866 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18868 * doc/contrib.texi: Update my entry.
18870 2006-02-10 Geoffrey Keating <geoffk@apple.com>
18872 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
18874 2006-02-10 Diego Novillo <dnovillo@redhat.com>
18876 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
18879 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
18881 * doc/invoke.texi (-floop-optimize2): Removed.
18882 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
18883 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
18884 Test flag_branch_on_count_reg only if HAVE_doloop_end.
18885 * common.opt (floop-optimize2): Removed.
18886 (fmove-loop-invariants): Enabled by default.
18888 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
18890 * tree-if-conv.c (combine_blocks): Free the result of
18891 get_loop_exit_edges.
18893 2006-02-10 Jeff Law <law@redhat.com>
18895 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
18897 PR tree-optimization/26213
18898 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
18899 loop trying to follow SSA_NAME_VALUE chains.
18901 2006-02-10 Richard Guenther <rguenther@suse.de>
18903 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
18904 deal with structures that end in implicitly variable sized arrays.
18906 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18908 PR rtl-optimization/24762
18909 * df-scan.c (df_bb_refs_record): Record correct registers defined on
18912 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
18914 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
18915 (struct ivopts_data): Add regs_used field.
18916 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
18917 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
18918 instead of loop_data->regs_used;
18919 (free_loop_data): Do not free aux fields for loops.
18920 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
18921 and tree_ssa_iv_optimize_finalize.
18923 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
18925 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
18927 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18930 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
18931 computing the effective result type.
18933 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
18935 PR inline-asm/16194
18936 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
18937 (tree_overlaps_hard_reg_set): Declare.
18938 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
18939 type and signature to match function type expected by walk_tree.
18940 (tree_overlaps_hard_reg_set): New function.
18941 (decl_conflicts_with_clobbers_p): Rename to:
18942 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
18943 Use tree_overlaps_hard_reg_set. Changed caller.
18944 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
18945 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
18946 * cris.c (cris_md_asm_clobbers): Likewise.
18948 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
18950 * reload1.c (emit_input_reload_insns): Delete code that tries to
18951 inherit using find_equiv_reg.
18953 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
18955 * c-common.h (flag_const_strings): Don't declare.
18956 * c-common.c (flag_const_strings): Remove.
18957 * c.opt (fconst_strings): Remove.
18958 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
18959 <OPT_Wwrite_strings>: Don't set flag_const_strings.
18960 (c_common_init_options): Don't set flag_const_strings.
18961 * doc/invoke.texi (-fno-const-strings): Remove documentation.
18963 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
18965 * arm.md (tlobits_cbranch): New pattern.
18966 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
18967 testing a single bit.
18969 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18972 * tree-ssa-pre.c (create_component_ref_by_pieces):
18973 Handle RETURN_DECL like VAR_DECL.
18975 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18977 PR middle-end/26134
18978 * fold-const.c (fold_indirect_ref_1): Fold
18979 "*(foo *)&complexfoo" to "__real__ complexfoo"
18980 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
18982 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
18984 * tree-flow-inline.h (var_can_have_subvars):
18985 Volatile variables should not have subvariables.
18987 2006-02-09 Diego Novillo <dnovillo@redhat.com>
18990 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
18991 multiplying unsigned values.
18994 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
18996 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
18998 2006-02-08 Jason Merrill <jason@redhat.com>
19001 * tree.def: Elaborate on difference from MODIFY_EXPR.
19002 * doc/c-tree.texi (INIT_EXPR): Likewise.
19003 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
19004 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
19005 (gimplify_target_expr): Likewise.
19006 (gimplify_cond_expr): Remove target handling.
19007 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
19008 (gimplify_expr): Clobber it here.
19009 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
19010 Do return slot optimization if we have an INIT_EXPR.
19013 * tree-inline.c (declare_return_variable): Also clear
19014 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
19017 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
19019 PR middle-end/22439
19020 * gimplify.c (gimplify_one_sizepos): Fix typo.
19022 2006-02-08 Jeff Law <law@redhat.com>
19024 PR tree-optimization/21417
19025 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
19026 across a backedge if the control statement at the end of the
19027 block is data dependent on other statements in the same block.
19028 (record_temporary_equivalences_from_stmts): Remove over-conservative
19029 test for threading across backedges.
19031 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
19032 control statement, handle all three special cases in the same
19033 manner as they all have the same desired solution. No longer
19034 special case edge flag updating when the post dominator is
19037 2006-02-08 Roger Sayle <roger@eyesopen.com>
19039 * tree.def (CHAR_TYPE): Remove.
19040 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
19041 * dwarf2out.c (base_type_die, is_base_type): Likewise.
19042 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
19043 (gen_string_type_die): Delete unreachable function.
19045 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
19046 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
19047 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
19048 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
19049 * builtins.c (type_to_class): Likewise.
19050 * fold-const.c (fold_convert, build_range_check,
19051 merge_ranges): Likewise.
19052 * expr.c (count_type_elements): Likewise.
19053 * c-pretty-print.c (pp_c_type_specifier): Likewise.
19054 * stor-layout.c (layout_type): Likewise.
19055 * ipa-type-escape.c (type_to_consider): Likewise.
19056 * gimplify.c (omp_firstprivatize_type_sizes,
19057 gimplify_type_sizes): Likewise.
19058 * explow.c (promote_mode): Likewise.
19059 * tree-sra.c (is_sra_scalar_type): Likewise.
19060 * varasm.c (output_constant): Likewise.
19061 * tree-inline.c (remap_type_1): Likewise.
19062 * convert.c (convert_to_pointer, convert_to_real,
19063 convert_to_integer, convert_to_complex): Likewise.
19065 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
19067 * df-scan.c (df_def_record_1): A set destination may
19068 be a parallel regardless of mode.
19070 2006-02-08 Roger Sayle <roger@eyesopen.com>
19073 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
19074 * config/mips/_tilib.c: Remove.
19075 * config/fixtfdi.c: New libgcc source file.
19076 * config/fixunstfdi.c: New source file.
19077 * config/floatditf.c: New source file.
19078 * config/floatunditf.c: New souce file.
19079 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
19080 files above instead of config/mips/_tilib.c.
19081 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
19083 2006-02-08 Jeff Law <law@redhat.com>
19085 PR tree-optimization/26169
19086 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
19089 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
19091 * df.h (DF_REG_SIZE): Return the length of the initialized
19094 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
19096 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
19097 __muldf3): Return a correctly signed zero.
19099 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
19101 * passes.c (register_one_dump_file): Accept the current properties
19102 instead of pass number. Adjust call to dump_register. Remove
19104 (register_dump_files): Now a wrapper around...
19105 (register_dump_files_1): ... this one. Do not modify the pass
19107 (next_pass_1): Cosmetic fix.
19108 (execute_todo): Keep second parameter only. Use curr_properties
19109 instead of fetching it from the pass structure. Check and set
19111 (execute_one_pass): Handle TODO_set_props. Use curr_properties
19112 instead of fetching it from the pass structure. Fix calls to
19113 execute_todo. Update curr_properties and initialize .vcg RTL dump
19114 after running the pass. Reset last_verified.
19115 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
19117 (FIRST_AUTO_NUMBERED_DUMP): New.
19118 (dump_register): Remove "num" parameter, assign it within the
19120 (get_dump_file_name): Modify template for dumps.
19121 * tree-dump.h (dump_register): Adjust prototype.
19122 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
19123 (PROP_trees): Add PROP_gimple_lomp.
19124 (TODO_set_props): New.
19125 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
19126 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
19127 * cfgexpand.c (pass_expand): Destroy PROP_trees.
19129 2006-02-08 Jakub Jelinek <jakub@redhat.com>
19131 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
19132 (sparc64-*-linux*): Likewise.
19133 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
19134 * config/sparc/t-linux: New file.
19135 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
19136 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
19137 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
19138 -m32 -mlong-double-128.
19140 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
19141 * config/alpha/t-linux: New file.
19142 * config/alpha/libgcc-alpha-ldbl.ver: New file.
19144 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
19145 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
19146 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
19147 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
19148 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
19149 (CPP_ARCH32_SPEC): Remove.
19151 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
19153 PR tree-optimization/26145
19154 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
19157 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19160 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
19161 >= 240000 when generating code for SOM runtime.
19162 (output_indirect_call): Don't use "b,l" instruction for indirect calls
19163 to $$dyncall when generating code for SOM runtime..
19165 2006-02-07 Dirk Mueller <dmueller@suse.com>
19168 * doc/invoke.texi (-Wsequence-point): Update documentation
19169 that -Wsequence-point is implemented for C++ as well.
19171 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19173 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
19174 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
19175 (LIB_SPEC): Likewise.
19176 * doc/invoke.texi (SPARC options): Document -pthread.
19178 2006-02-07 Geoffrey Keating <geoffk@apple.com>
19180 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
19183 2006-02-07 Roger Sayle <roger@eyesopen.com>
19185 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
19186 Correct comment describing BOOLEAN_TYPE.
19188 2006-02-07 Dirk Mueller <dmueller@suse.com>
19190 * c.opt: C++ frontend supports -Wdiv-by-zero.
19191 * c-opts.c (c_common_handle_option): Remove dead case.
19193 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19195 * configure.ac (TLS assembler check): Do not enable TLS by
19196 default on SPARC/Solaris before version 10.
19197 * configure: Regenerate.
19199 2006-02-07 David Edelsohn <edelsohn@gnu.org>
19201 * doc/invoke.texi (xl-compat): Document conversion and support
19204 2006-02-07 Jeff Law <law@redhat.com>
19206 * tree-vrp.c (find_conditional_asserts): Update comments.
19207 (simplify_stmt_for_jump_threading): New.
19208 (identify_jump_threads, finalize_jump_threads): New.
19209 (vrp_finalize): Call identify_jump_threads.
19210 (execute_vrp): Call finalize_jump_threads.
19211 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
19212 (vrp_element, vrp_data, vrp_element_p): Remove.
19213 (vrp_hash_elt, vrp_variables_stack): Remove.
19214 (vrp_hash, vrp_eq, record_range): Remove.
19215 (simplify_cond_and_lookup_avail_expr): Remove.
19216 (extract_range_from_cond): Remove.
19217 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
19218 (simplify_stmt_for_jump_threading): New.
19219 (dom_thread_across_edge): New wrapper.
19220 (tree_ssa_dominator_optimize): No longer initialize or
19221 finalize any of the VRP datastructures. Remove iteration
19222 step and simplify as a result of removal of iteration step.
19223 (pass_dominator): Perform a cfg cleanup after DOM.
19224 (dom_opt_finalize_block): Use the new common routines
19225 for threading jumps. Simplify stack management slightly.
19226 No longer need to unwind VRP state.
19227 (record_equivalences_from_incoming_edge): No longer record
19229 (eliminate_redundant_computations): No longer call
19230 simplify_cond_and_lookup_avail_expr.
19231 * tree-flow.h (potentially_threadable_block): Prototype.
19232 (thread_across_edge): Likewise.
19233 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
19234 (tree-ssa-threadedge.o): Add dependencies.
19235 * tree-ssa-threadedge.c: New file.
19236 * passes.c (init_optimization_passes): Merge PHIs before
19237 calling VRP. Run VRP again late in the SSA optimization pipeline.
19239 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
19241 * df-core.c (df_set_blocks): Do not dereference function pointers.
19242 (df_finish1): Likewise.
19243 (df_hybrid_search_forward): Likewise.
19244 (df_hybrid_search_backward): Likewise.
19245 (df_iterative_dataflow): Likewise.
19246 (df_analyze_problem): Likewise.
19247 (df_compact_blocks): Likewise.
19248 (df_dump): Likewise.
19249 * df-scan.c (df_rescan_blocks): Likewise.
19250 (df_record_entry_block_defs): Likewise.
19252 * genconditions.c (write_conditions): Guard the definition of
19253 'insn_conditions' with the check on GCC version.
19254 (write_writer): Guard the traversal 'insn_conditions' with
19255 the check on GCC version.
19257 2006-02-07 Richard Guenther <rguenther@suse.de>
19261 2006-01-30 Richard Guenther <rguenther@suse.de>
19263 * gimplify.c (gimplify_target_expr): Handle easy cases
19264 without creating a temporary.
19266 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
19268 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
19269 use of float in probability computations. Use edge probabilities
19270 in place of statically computed probabilities.
19271 (min_spec_prob): New static variable.
19272 (schedule_insns): Initialize it.
19273 (GET_SRC_PROB): Removed.
19274 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
19276 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
19279 * config/ia64/unwind-ia64.c: Revert last change.
19280 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
19281 (INCOMING_FRAME_SP_OFFSET): Define.
19283 2006-02-06 Roger Sayle <roger@eyesopen.com>
19285 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
19287 2006-02-07 Ben Elliston <bje@au.ibm.com>
19289 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
19290 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
19291 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
19292 (ix86_return_in_memory): Handle TDmode.
19293 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
19294 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
19296 2006-02-06 Richard Sandiford <richard@codesourcery.com>
19298 * reorg.c (dbr_schedule): Use dump_file instead of file.
19300 2006-02-06 Steve Ellcey <sje@cup.hp.com>
19303 * config/ia64/predicates.md (extr_len_operand): New predicate.
19304 * config/ia64/ia64.md (extv): Tighten constraints.
19306 (*tbit_and_2): Ditto.
19307 (*tbit_and_3): Ditto.
19308 (*tbit_or_2): Ditto.
19309 (*tbit_or_3): Ditto.
19310 (*bit_zero): Ditto.
19313 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
19316 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
19318 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
19320 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
19321 loop_optimizer_init and loop_optimizer_finalize
19322 * tree-ssa-sink.c (execute_sink_code): Ditto.
19323 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
19324 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
19325 tree_ssa_loop_done): Ditto.
19326 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
19327 * sched-ebb.c: Include output.h.
19328 (schedule_ebbs): Do not use dump argument.
19329 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
19330 * loop.c (loop_dump_stream): Removed.
19331 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
19333 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
19334 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
19335 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
19336 loop_iterations, strength_reduce, record_biv, record_giv,
19337 final_giv_value, check_final_value, check_ext_dependent_givs,
19338 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
19339 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
19340 dump_file instead of loop_dump_stream.
19341 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
19342 argument dump_file.
19343 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
19345 * flow.c (life_analysis, rest_of_handle_life): Ditto.
19346 * haifa-sched.c: Include output.h
19347 (schedule_insns, sched_init): Do not use dump argument.
19348 * mode-switching.c (optimize_mode_switching): Ditto.
19349 * modulo-sched.c (stats_file): Removed.
19350 (print_node_sched_params): Do not call argument dump_file.
19351 (sms_schedule_by_order, loop_canon_p, sms_schedule,
19352 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
19354 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
19356 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
19357 rtl_loop_init, rtl_loop_done): Ditto.
19358 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
19359 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
19361 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
19362 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
19363 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
19364 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
19365 * emit-rtl.c (renumber_insns): Ditto.
19366 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
19367 expand_gimple_basic_block, tree_expand_cfg): Ditto.
19368 * regclass.c (regclass): Ditto.
19369 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
19370 remove_ssa_form, rewrite_out_of_ssa): Ditto.
19371 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
19372 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
19374 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
19375 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
19377 * gcse.c (gcse_file, debug_stderr): Removed.
19378 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
19379 rest_of_handle_gcse): Do not use dump argument.
19380 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
19381 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
19382 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
19383 compute_code_hoist_vbeinout, compute_code_hoist_data,
19384 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
19385 compute_store_table, build_store_vectors, insert_insn_start_bb,
19386 insert_store, remove_reachable_equiv_notes, replace_store_insn,
19387 store_motion): Use dump_file instead of gcse_file.
19388 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
19389 * profile.c (profile_dump_file): Removed.
19390 (branch_prob): Use dump_file instead of profile_dump_file.
19391 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
19393 * tree-ssa-copy.c (dump_copy_of): Ditto.
19394 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
19395 dump file to life_analysis.
19396 * bt-load.c (branch_target_load_optimize): Ditto.
19397 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
19399 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
19400 regclass, dbr_schedule): Declaration changed.
19401 * sched-int.h (sched_init): Declaration changed.
19402 * tree-profile.c (tree_profile_dump_file): Removed.
19403 (tree_profile_hooks): Removed profile_dump_file hook.
19404 * rtl-profile (rtl_profile_dump_file): Removed.
19405 (rtl_profile_hooks): emoved profile_dump_file hook.
19406 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
19408 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
19409 * tree-cfg.c (build_tree_cfg): Ditto.
19410 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
19411 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
19412 Declaration changed.
19413 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
19414 life_analysis and schedule_insns.
19415 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
19417 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
19419 * config/mips/mips.c (mips_reorg): Ditto.
19420 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
19423 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
19425 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19426 (s390_mangle_fundamental_type): New.
19427 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19430 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19431 (alpha_mangle_fundamental_type): New.
19432 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19435 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19437 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
19439 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
19440 (sparc_mangle_fundamental_type): New.
19442 2006-02-06 Jakub Jelinek <jakub@redhat.com>
19444 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
19445 (s390x-*-linux*): Likewise.
19446 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
19447 * config/s390/t-linux: New file.
19449 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19451 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
19452 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
19454 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
19456 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
19457 (ANTIC_SAFE_LOADS): New macro.
19458 (find_or_generate_expression): Add prototype.
19459 (set_contains_value): Allow null set for sake of not always having
19460 to allocate ANTIC_SAFE_LOADS.
19461 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
19462 Allow COMPONENT_REF too.
19463 (valid_in_set): Allow COMPONENT_REF.
19464 Check ANTIC_SAFE_LOADS too.
19465 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
19466 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
19468 (can_PRE_operation): Add COMPONENT_REF.
19469 (create_component_ref_by_pieces): New function.
19470 (create_expression_by_pieces): Use create_component_ref_by_pieces.
19471 (insert_aux): Move AGGREGATE_TYPE_P check here.
19472 (compute_avail): Set bb local stmt uids.
19473 (pass_pre): Use TODO_update_ssa_only_virtuals.
19475 2006-02-06 Ben Elliston <bje@au.ibm.com>
19477 * configure.ac: Unconditionally disable decimal float by default.
19478 * configure: Regenerate.
19480 2006-02-06 Ben Elliston <bje@au.ibm.com>
19482 * read-rtl.c (read_name): Terminate reading on EOF.
19484 2006-02-06 Ben Elliston <bje@au.ibm.com>
19486 * dfp.c (decimal_real_arithmetic): Change second argument type
19487 from int to enum tree_code. Do not always return true, but now
19488 return result of any call to decimal_do helper functions.
19489 * dfp.h (decimal_real_arithmetic): Update prototype.
19491 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
19493 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
19495 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
19498 * tree-cfg.c (cleanup_dead_labels): Also don't remove
19501 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19503 * tree-vrp.c (cfg_loops): Removed.
19504 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
19505 Use current_loops instead of cfg_loops. Pass flags to
19506 loop_optimizer_init.
19507 * cfgloopmanip.c (fix_loop_structure): Update only available
19509 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
19510 loop_optimizer_init.
19511 * modulo-sched.c (build_loops_structure): Removed.
19512 (sms_schedule): Use loop_optimizer_init.
19513 * loop-init.c (loop_optimizer_init): Use flags to determine
19514 which properties of loops to prepare.
19515 (rtl_loop_init): Pass flags to loop_optimizer_init.
19516 * tree-ssa-sink.c (execute_sink_code): Ditto.
19517 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
19518 * tree-ssa-pre.c (init_pre): Ditto.
19519 * cfgloop.h (LOOPS_NORMAL): New.
19520 (loop_optimizer_init): Declaration changed.
19522 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19524 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
19525 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
19527 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
19529 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
19531 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
19532 * pa/t-pa64: Delete quadlib.c rule.
19533 * pa/x-ada: Revert last change.
19534 * pa/t-pa: Revert last change. Delete quadlib.c rule.
19536 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
19538 PR rtl-optimization/26087
19539 * rtlanal.c (canonicalize_condition): Do not cross basic block
19542 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
19545 * config/ia64/ia64.c: Include debug.h.
19546 (MAX_ARTIFICIAL_LABEL_BYTES): New.
19547 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
19548 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
19549 (process_epilogue, process_set, process_for_unwind_directive):
19550 Output unwind info only if requested. Add CFA info if requested.
19551 Add new arguments as needed. Adjust callers.
19552 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
19554 (DWARF2_FRAME_INFO): Define to zero.
19555 * config/ia64/unwind-ia64.c: Remove code that compensated for
19556 the CFA offset error fixed above.
19557 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
19558 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
19559 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
19560 -funwind-tables and -fexceptions to enable frame info.
19561 (dwarf2out_frame_init): Define initial CFA even if
19562 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
19563 DWARF2_UNWIND_INFO is nonzero, not just defined.
19564 (dwarf2out_frame_finish): Output non-EH call frame info only
19565 if DWARF2_FRAME_INFO is nonzero.
19566 (convert_cfa_to_loc_list,
19567 compute_frame_pointer_to_cfa_displacement): Define even if
19568 unwind info is not supported.
19569 (gen_subprogram_die): Use the above unconditionally. Remove
19570 legacy alternate code.
19571 * toplev.c (compile_file): Compile in call to
19572 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
19573 (lang_dependent_init): Ditto for dwarf2out_frame_init.
19575 2006-02-04 David Edelsohn <edelsohn@gnu.org>
19576 Jakub Jelinek <jakub@redhat.com>
19578 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
19579 IBM extended float format long double as "g" on powerpc*-linux.
19581 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19584 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
19585 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
19587 2006-02-03 Jason Merrill <jason@redhat.com>
19590 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
19592 PR middle-end/25977
19593 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
19594 on the return slot if it's an NRV.
19596 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
19598 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
19599 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
19600 rewrite_use): Do not handle USE_OUTER.
19601 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
19602 add_iv_outer_candidates, may_replace_final_value,
19603 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
19604 (find_interesting_uses_op): Functionality of
19605 find_interesting_uses_outer_or_nonlin moved here.
19606 (find_interesting_uses_outside): Use find_interesting_uses_op.
19608 2006-02-03 Alan Modra <amodra@bigpond.net.au>
19611 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
19613 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
19614 Ulrich Weigand <uweigand@de.ibm.com>
19617 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
19618 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
19619 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
19620 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
19622 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
19623 (s390_rtx_costs): Use the new fields to calculate rtx costs.
19624 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
19625 Define secondary reloads for TFmode moves.
19626 (constant_modes): Add TFmode.
19627 (NR_C_MODES): Set to 8.
19628 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
19630 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
19631 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
19632 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
19633 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
19634 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
19635 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
19636 (FPR mode macro): Add TFmode.
19637 (DSF mode macro): New.
19638 (<de>, <dee> mode attributes): Removed.
19639 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
19640 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
19641 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
19642 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
19643 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
19644 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
19645 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
19646 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
19647 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
19648 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
19649 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
19650 "*negabs<mode>2", "sqrt<mode>2"):
19651 Changed <de> to <xde>. R constraint replaced by <Rf>.
19652 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
19654 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
19655 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
19656 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
19658 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
19659 "extenddftf2", "extendsftf2"): New expanders.
19660 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
19661 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
19662 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
19663 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
19665 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
19666 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
19667 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
19668 __floatditf): Add a GCC_4.1.0 symbol version tag.
19669 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
19672 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
19675 * config/i386/i386.c (ix86_function_ok_for_sibcall):
19676 Use targetm.binds_local_p instead of TREE_PUBLIC.
19678 2006-02-02 Roger Sayle <roger@eyesopen.com>
19680 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
19681 on INTEGER_TYPEs to indicate that it denotes a character type.
19682 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
19683 signed_char_type_node, unsigned_char_type_node and char_type_node.
19684 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
19685 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
19686 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
19688 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
19689 Daniel Berlin <dberlin@dberlin.org>
19691 * tree-tailcall.c (arg_needs_copy_p): New function.
19692 (eliminate_tail_call): Use arg_needs_copy_p.
19693 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
19694 (add_virtual_phis): New function.
19696 2006-02-02 Jakub Jelinek <jakub@redhat.com>
19698 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
19699 #ignore instead of #scratch for %g7 .register directive.
19701 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
19703 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
19706 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
19708 * flow.c (calculate_global_regs_live): Assert that there aren't any
19711 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
19713 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
19714 what its name says.
19715 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
19716 bsi_after_labels iterator.
19717 * tree-if-conv.c (find_phi_replacement_condition,
19718 replace_phi_with_cond_modify_expr): Likewise.
19719 * tree-scalar-evolution.c (scev_const_prop): Likewise.
19720 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
19722 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19724 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
19726 2006-02-02 Diego Novillo <dnovillo@redhat.com>
19729 * tree-cfg.c (move_block_to_fn): Clear out the basic block
19730 array after growing it.
19732 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19734 PR middle-end/24901
19735 * fold-const.c (fold_checksum_tree): Change type of buf.
19737 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
19739 * reload.c (push_secondary_reload): Initialize t_icode.
19741 2006-02-01 Jakub Jelinek <jakub@redhat.com>
19743 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
19744 -msoft-float -mlong-double-128 only issue a warning, but don't
19745 swich to DFmode long double.
19747 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
19749 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
19750 has a constant equivalent, iterate over equivalents for arg0,
19751 calling simplify_relational_operation and if there's a result
19752 cheaper than X, apply fold_rtx and return the result.
19754 2006-02-01 Jan Hubicka <jh@suse.cz>
19756 * opts.c (no_unit_at_a_time_default): New global variable.
19757 (decode_options): Use it.
19758 * opts.h (no_unit_at_a_time_default): Declare.
19760 2006-02-01 Paul Brook <paul@codesourcery.com>
19762 * function.c (assign_parm_setup_reg): Use function argument promotion
19764 * expr.c (expand_expr_real_1): Use function argument promotion rules
19767 2006-02-01 Steve Ellcey <sje@cup.hp.com>
19769 * gcc.c (process_command): Change j to 'unsigned int'.
19771 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19773 PR middle-end/26001
19774 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
19775 Use the corrected index for the character
19776 out of the string constant.
19778 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19780 * mode-switching.c (optimize_mode_switching): Fix size
19781 allocated for bb_info[n_entities].
19783 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
19785 * gcc.c (main): Correct type that is allocated for
19786 explicit_link_files.
19788 2006-01-31 Jakub Jelinek <jakub@redhat.com>
19790 * config/s390/s390.c (init_alignment_context): Set
19791 ALIAS_SET_MEMORY_BARRIER on the MEM.
19792 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
19794 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
19796 PR middle-end/25933
19797 * loop-unroll.c (unroll_loop_runtime_iterations): Free
19799 * tree-ssa-live.c (type_var_init): Allocate bitmap after
19802 2006-01-31 Marcin Dalecki <martin@dalecki.de>
19804 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
19805 * regrename.c: Ditto.
19806 * tree-ssa-loop-im.c: Ditto.
19807 * tree-dump.c: Ditto.
19808 * tree-complex.c: Ditto.
19809 * genrecog.c: Ditto.
19810 * tree-ssa-threadupdate.c: Ditto.
19812 * java/class.c: Ditto.
19813 * java/jcf-parse.c: Ditto.
19814 * java/resource.c: Ditto.
19815 * java/except.c: Ditto.
19816 * java/jvspec.c: Ditto.
19817 * java/jcf-write.c: Ditto.
19818 * java/jcf-path.c: Ditto.
19819 * java/gjavah.c: Ditto.
19820 * java/zextract.c: Ditto.
19821 * java/jcf-io.c: Ditto.
19822 * java/jcf.h: Ditto.
19823 * java/buffer.c: Ditto.
19824 * java/lang.c: Ditto.
19825 * java/parse-scan.y: Ditto.
19826 * java/lex.c: Ditto.
19827 * java/lex.h: Ditto.
19828 * cfgloopmanip.c: Ditto.
19829 * postreload-gcse.c: Ditto.
19830 * tree-ssa-loop-manip.c: Ditto.
19831 * postreload.c: Ditto.
19832 * tree-ssa-loop-ch.c: Ditto.
19835 * cppspec.c: Ditto.
19836 * diagnostic.c: Ditto.
19838 * genoutput.c: Ditto.
19840 * cfghooks.c: Ditto.
19841 * cfgloopanal.c: Ditto.
19842 * objc/objc-act.c: Ditto.
19844 * genextract.c: Ditto.
19845 * genautomata.c: Ditto.
19846 * pretty-print.c: Ditto.
19847 * genemit.c: Ditto.
19848 * cgraphunit.c: Ditto.
19850 * df-scan.c: Ditto.
19851 * haifa-sched.c: Ditto.
19852 * dominance.c: Ditto.
19854 * tree-ssa-loop-ivopts.c: Ditto.
19855 * df-core.c: Ditto.
19856 * mode-switching.c: Ditto.
19857 * modulo-sched.c: Ditto.
19859 * ipa-pure-const.c: Ditto.
19861 * fix-header.c: Ditto.
19863 * tree-stdarg.c: Ditto.
19864 * ipa-utils.c: Ditto.
19865 * loop-init.c: Ditto.
19866 * ipa-inline.c: Ditto.
19867 * cfganal.c: Ditto.
19869 * alloc-pool.c: Ditto.
19870 * dwarf2out.c: Ditto.
19872 * genattrtab.c: Ditto.
19873 * tree-ssa-loop-ivcanon.c: Ditto.
19874 * predict.c: Ditto.
19875 * timevar.c: Ditto.
19877 * fortran/gfortranspec.c: Ditto.
19878 * regmove.c: Ditto.
19879 * local-alloc.c: Ditto.
19880 * langhooks.c: Ditto.
19881 * function.c: Ditto.
19882 * tree-vectorizer.c: Ditto.
19884 * ipa-type-escape.c: Ditto.
19886 * tree-if-conv.c: Ditto.
19887 * profile.c: Ditto.
19889 * tree-data-ref.c: Ditto.
19890 * loop-unroll.c: Ditto.
19891 * treelang/treetree.c: Ditto.
19893 * bt-load.c: Ditto.
19894 * ggc-common.c: Ditto.
19896 * coverage.c: Ditto.
19898 * tree-cfgcleanup.c: Ditto.
19899 * tree-ssa-pre.c: Ditto.
19900 * cfgcleanup.c: Ditto.
19901 * loop-invariant.c: Ditto.
19902 * loop-iv.c: Ditto.
19903 * ipa-prop.c: Ditto.
19904 * print-tree.c: Ditto.
19905 * conflict.c: Ditto.
19906 * ggc-page.c: Ditto.
19907 * sched-deps.c: Ditto.
19908 * regclass.c: Ditto.
19909 * tree-object-size.c: Ditto.
19910 * combine.c: Ditto.
19911 * bb-reorder.c: Ditto.
19912 * resource.c: Ditto.
19913 * var-tracking.c: Ditto.
19914 * cfgloop.c: Ditto.
19915 * df-problems.c: Ditto.
19916 * reg-stack.c: Ditto.
19918 * gccspec.c: Ditto.
19919 * sched-rgn.c: Ditto.
19920 * tree-ssa-structalias.c: Ditto.
19921 * tree-ssa-reassoc.c: Ditto.
19922 * config/darwin-c.c: Ditto.
19923 * config/darwin.c: Ditto.
19924 * config/arm/arm.c: Ditto.
19926 * collect2.c: Ditto.
19927 * reload1.c: Ditto.
19929 2006-01-31 Nicolas Pitre <nico@cam.org>
19931 * arm.md (smaxsi3): Make aware of smax_m1.
19934 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
19936 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
19938 2006-01-31 Richard Guenther <rguenther@suse.de>
19940 * doc/invoke.texi (-msselibm): Document.
19941 * target.h (expand_library_builtin): New target hook.
19942 * builtins.c (expand_builtin): Use expand_library_builtin.
19943 (default_expand_library_builtin): New function.
19944 * gcc.c (LINK_GCC_MATH_SPEC): Define.
19945 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
19946 (link_gcc_math_spec): Declare.
19947 (static_specs): Add link_gcc_math_spec.
19948 * expr.h (default_expand_library_builtin): Declare.
19949 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19950 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
19951 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
19952 * config/i386/i386.opt (msselibm): New target option.
19953 * config/i386/i386.c (ix86_builtin_function_variants): New array.
19954 (ix86_init_sse_abi_builtins): New function.
19955 (ix86_expand_library_builtin): Likewise.
19956 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
19957 (override_options): Handle error conditions wrt -msselibm.
19958 (ix86_builtins): Add function codes for SSE2 ABI builtins.
19959 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
19960 * doc/extend.texi (__builtin_sse2_*): Document new target specific
19963 2006-01-31 Richard Guenther <rguenther@suse.de>
19964 Paolo Bonzini <bonzini@gnu.org>
19966 * doc/install.texi (--disable-libgcc-math): Document.
19968 2006-01-30 Marcin Dalecki <martin@dalecki.de>
19970 * expr.h (expand_normal): new inline function.
19971 * builtins.c: use it, use EXPAND_NORMAL explicitely.
19972 * dojump.c: use it.
19973 * dwarf2out.c: use it.
19976 * expmed.c: use it.
19977 * except.c: use it.
19978 * config/sparc/sparc.c: use it.
19979 * config/i386/i386.c: use it.
19980 * config/rs6000/rs6000.c: use it.
19981 * config/arm/arm.c: use it.
19982 * config/mips/mips.c: use it.
19983 * stmt.c: use it, use EXPAND_NORMAL explicitely.
19985 2006-01-30 Roger Sayle <roger@eyesopen.com>
19987 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
19988 argv to the appropriate type.
19990 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
19992 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
19995 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
19998 * config/s390/s390.c (struct machine_function): New flag
19999 decomposed_literal_pool_addresses_ok_p.
20000 (s390_reorg): Set it before final stage of literal pool transforms.
20001 (s390_decompose_address): Only accept displacements of the form
20002 (minus (label_ref ...) (label_ref ...)) if that flag is set.
20004 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
20006 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
20007 the comparison routine return.
20009 2006-01-30 Michael Matz <matz@suse.de>
20011 * global.c (find_reg): Only evict for global regs.
20012 Take n_refs into account and dump more info.
20014 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
20017 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
20018 (pragma_trap, pragma_nosave_low_regs): Likewise.
20019 (current_function_anonymous_args): Likewise.
20020 (sh_deferred_function_attributes): New variable.
20021 (sh_deferred_function_attributes_tail): Likewise.
20022 (print_operand): For '@', look up trap_exit attribute.
20023 (calc_live_regs): Look up trapa_handler attribute. For trapa
20024 handlers, save/restore fpscr, but don't do any other
20025 interrupt-specific saves.
20026 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
20027 Fix check for partially saved registers to check for SHmedia.
20028 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
20029 (sh_output_function_epilogue): Don't clear any of the removed
20031 (sh_insert_attributes): Don't check pragma_interrupt.
20032 Insert deferred attributes. Check that interrupt attribute is
20033 present for other attributes that require its presence.
20034 (sh_attribute_table): Add new attributes trapa_handler and
20036 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
20037 Don't check for pragma_interrupt. Don't store argument.
20038 * sh.h (pragma_interrupt, sp_switch): Don't declare.
20039 (sh_deferred_function_attributes): Declare.
20040 (sh_deferred_function_attributes_tail): Likewise.
20041 * sh.md (sp_switch_1): Add operand. Change generator caller.
20042 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
20043 (*return_i): Don't use when trap_exit attribute is in effect.
20044 (*return_trapa): New insn pattern.
20045 * sh-c.c: New file.
20046 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
20047 setting c_target_objs and cxx_target_objs.
20048 * t-sh: Add rule for sh-c.o.
20050 2006-01-30 Richard Guenther <rguenther@suse.de>
20053 * gimplify.c (gimplify_target_expr): Handle easy cases
20054 without creating a temporary.
20056 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
20058 * vec.h (safe_grow): Remove duplicated line.
20060 2006-01-29 Diego Novillo <dnovillo@redhat.com>
20063 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
20064 (expand_omp): ... here.
20065 (expand_omp_parallel): Only remove barriers for combined
20066 parallel+workshare constructs.
20068 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
20072 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
20073 * tree.c (build_qualified_type): Chain the new type to the original
20074 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
20075 a POINTER_TYPE or a REFERENCE_TYPE respectively.
20076 (build_pointer_type_for_mode): Only return unqualified types.
20077 (build_reference_type_for_mode): Likewise.
20079 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
20081 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
20082 * Makefile.in (CXX_COMPAT_WARN): Define.
20083 * configure: Regenerate.
20085 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
20088 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
20091 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20093 * toplev.c: Fix thinko.
20095 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
20096 Marcin Dalecki <martin@dalecki.de>
20098 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
20099 (push_srcloc): Use XNEW.
20100 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
20102 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
20104 * df-core.c (df_set_blocks): Deleted all variable.
20106 2006-01-28 Ian Lance Taylor <ian@airs.com>
20108 * cgraphunit.c (cgraph_assemble_pending_functions): Call
20109 cgraph_output_pending_asms.
20111 2006-01-28 Zack Weinberg <zackw@panix.com>
20113 * c.opt: Add -W(no-)overlength-strings.
20114 * doc/invoke.texi: Document it.
20115 * c-opts.c (c_common_handle_option): -pedantic implies
20116 -Woverlength-strings, if not explicitly disabled already.
20117 (c_common_post_options): -Woverlength-strings defaults to off, and
20118 is always off for C++.
20119 * c-common.c (fix_string_type): Issue warning about strings longer
20120 than is portable only if warn_overlength_strings. Rearrange code
20121 a little for clarity.
20122 * configure.in: Check for -Wno-overlength-strings as well before
20123 enabling -pedantic in stage 1.
20124 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
20125 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
20127 * genconditions.c (write_header, write_one_condition)
20128 (write_conditions, write_writer): Consolidate very long strings
20129 that were broken up to fit in C89 portable limit. Don't use
20130 printf when fputs will do.
20132 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
20134 * combine.c (simplify_comparison <AND>): Check
20135 TRULY_NOOP_TRUNCATION before start using a subreg.
20137 * config/mips/mips.md (*branch_zero<mode>,
20138 *branch_zero<mode>_inverted, *branch_equality<mode>,
20139 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
20140 Remove mode check from comparisons.
20142 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
20144 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
20146 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20148 * expmed.c (const_mult_add_overflow_p): Remove.
20149 * expr.h: Remove the prototype for const_mult_add_overflow_p.
20151 * recog.c (validate_replace_rtx_subexp): Remove.
20152 * recog.h: Remove the prototype for
20153 validate_replace_rtx_subexp.
20155 * integrate.h: Remove the prototype for
20156 copy_decl_for_inlining.
20157 * rtl.h: Remove the prototype for mark_constant_function.
20158 * tree-vectorizer.h: Remove the prototype for
20159 vect_strip_conversion.
20161 * modulo-sched.c (create_partial_schedule,
20162 free_partial_schedule, reset_partial_schedule): Make them
20165 * hooks.c (hook_bool_rtx_int_false): Remove.
20166 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
20168 2006-01-28 David Edelsohn <edelsohn@gnu.org>
20170 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20171 and -mlong-double-128 are incompatible.
20172 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
20173 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
20174 (TARGET_LIBGCC2_CFLAGS): Define.
20175 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
20176 (TARGET_LIBGCC2_CFLAGS): Same.
20177 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
20179 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
20182 * c-typeck.c (build_binary_op): Perform implicit casts of
20183 operands before shortening them.
20185 * cfgloopmanip.c (split_loop_bb): Remove.
20186 * cfgloop.h: Remove the prototype for split_loop_bb.
20188 * cfgloop.c (flow_loop_outside_edge_p): Remove.
20189 * cfgloop.h: Remove the prototype for
20190 flow_loop_outside_edge_p.
20192 * emit-rtl.c (init_virtual_regs): Make it static.
20193 * function.h: Remove the prototype for init_virtual_regs.
20195 * recog.c (peephole2_optimize): Make it static.
20196 * recog.h: Remove the prototype for peephole2_optimize.
20198 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20200 * df-scan.c (df_record_entry_block_defs): Check if
20201 INCOMING_RETURN_ADDR_RTX is defined.
20203 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
20204 Kenneth Zadeck <zadeck@naturalbridge.com>
20206 PR rtl-optimization/24762
20207 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20208 * targhooks.c (hook_void_bitmap): New hook prototype.
20209 * targhoohs.h (hook_void_bitmap): Ditto.
20210 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
20211 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
20212 * target.h (live_on_entry): New function pointer.
20213 * df-scan.c (df_all_hard_regs): Removed.
20214 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
20215 (df_scan_free_internal): Added df->entry_block_defs.
20216 (df_scan_alloc): Ditto.
20217 (df_scan_dump): Ditto.
20218 (df_uses_record): Plumbed flag field properly thru calls.
20219 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
20220 This part fixes PR24762.
20221 (df_bb_refs_record): Added code to make the frame and arg
20222 pointers live in EH blocks.
20223 (df_refs_record): Added call to df_record_entry_block_defs.
20224 (df_record_entry_block_defs): New function.
20225 * df-core.c: Added comments to describe new artifical defs.
20226 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
20227 (entry_block_defs): New field in struct df.
20228 (df_all_hard_regs): Deleted.
20229 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
20230 * df-problems.c (df_ru_bb_local_compute_process_def):
20231 Added code to handle artifical defs in the entry to a function.
20232 (df_ru_bb_local_compute): Ditto.
20233 (df_rd_bb_local_compute_process_def): Ditto.
20234 (df_rd_bb_local_compute): Ditto.
20235 (df_lr_bb_local_compute): Ditto.
20236 (df_ur_bb_local_compute): Ditto.
20237 (df_urec_bb_local_compute): Ditto.
20238 (df_chain_create_bb): Ditto.
20239 (df_ur_local_finalize): Removed entry.
20240 (df_urec_init): Ditto.
20241 (df_urec_local_finalize): Ditto.
20242 (df_ri_bb_compute): Added detection of last use of pseudos.
20243 * Makefile.in (df-scan.o): Updated dependencies.
20244 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
20245 * config/mips/mips.c (mips_set_live_on_entry): Added.
20246 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
20248 * dce.c (marked_insn_p): Added code to handle artifical defs.
20250 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
20252 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
20254 (_mm_cvtsi128_si64): Likewise.
20255 (_mm_cvtsd_si64): Likewise.
20256 (_mm_cvttsd_si64): Likewise.
20257 (_mm_cvtsi64_sd): Likewise.
20258 (_mm_cvtsi64_si128): Likewise.
20259 * config/i386/mmintrin.h (_m_from_int64): Likewise.
20260 (_mm_cvtsi64_m64): Likewise.
20261 (_m_to_int64): Likewise.
20262 (_mm_cvtm64_si64): Likewise.
20263 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
20264 (_mm_cvttss_si64): Likewise.
20265 (_mm_cvtsi64_ss): Likewise.
20266 (_mm_cvtss_f32): Likewise.
20268 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
20270 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
20271 for pragma redefine_extname.
20273 2006-01-27 Jakub Jelinek <jakub@redhat.com>
20276 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
20277 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
20278 -mno-minimal-toc to previous content.
20279 (bispecs): Remove goal.
20280 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
20281 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
20282 compatibility aliases on powerpc-*-*gnu*.
20283 * config/rs6000/libgcc-ppc-glibc.ver: New file.
20284 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
20285 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
20286 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
20287 (ldblspecs): New goal.
20288 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
20289 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
20291 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
20292 L_sf_to_tf or L_df_to_tf is defined.
20294 2006-01-27 David Edelsohn <edelsohn@gnu.org>
20295 Alan Modra <amodra@bigpond.net.au>
20298 * config/rs6000/linux.h (POWERPC_LINUX): Define.
20299 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
20300 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
20301 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
20302 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
20303 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
20304 (rs6000_override_options): Initialize rs6000_ieeequad.
20305 Initialize TFmode format to ibm_extended_format if not
20307 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
20309 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
20310 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
20311 (function_arg_advance): IBM long double passed in two FPRs, not
20313 (function_arg): IBM long double passed in FPRs.
20314 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
20315 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
20316 Only multireg GPR aligned.
20317 (rs6000_init_libfuncs): Enable IBM long double functions if not
20319 (rs6000_generate_compare): Use IBM long double compare if not
20321 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
20322 (TARGET_IEEEQUAD): Define.
20323 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
20324 not TARGET_IEEEQUAD.
20325 * config/rs6000/rs6000.md: Enable TFmode patterns if
20327 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
20328 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
20329 and -mlong-double-128 are incompatible.
20330 * doc/invoke.texi (-mabi): Collect options together. Add
20331 ibmlongdouble and ieeelongdouble.
20333 2006-01-27 Richard Sandiford <richard@codesourcery.com>
20335 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
20337 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
20338 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
20339 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
20340 * rtl.h (rtunion_def): Remove rt_ptr.
20342 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
20343 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
20344 * config/i386/winnt.c (i386_pe_mark_dllexport)
20345 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
20347 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
20349 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
20351 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20355 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
20356 pthread_key_delete. From John David Anglin. gthrw-ify
20357 pthread_getunique_np only if it it's not a macro. Delete
20359 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
20360 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
20361 __gthread_objc_condition_signal, __gthread_key_delete): Add
20362 "__attribute__ ((__unused__))" to unused arguments.
20363 (__gthread_recursive_mutex_init_function): Add missing return.
20364 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
20365 gthr-posix95.h: Use macro-based approach for name redirection
20366 on targets missing weakref.
20368 2006-01-26 Zack Weinberg <zackw@panix.com>
20370 * genconditions.c (write_header): In generated code, #ifdef out
20371 all includes and fake declarations, except includes of bconfig.h
20372 and system.h, unless GCC_VERSION >= 3001. Do not include
20373 gensupport.h in any case.
20374 (write_conditions): Generate a definition of struct c_test. Add
20375 a comment to the generated #endif.
20376 (write_one_condition): Escape backslashes in string too.
20377 (write_writer): Generated code must escape backslashes and quote
20378 marks (but not newlines) in the strings it writes.
20379 * Makefile.in (build/gencondmd.o): Update dependencies.
20381 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20384 * Makefile.in (insn-automata.o): Add header file dependencies.
20385 * genautomata.c: Add includes.
20387 2006-01-26 Steve Ellcey <sje@cup.hp.com>
20390 * Makefile.in (insn-automata.o): Add -Wno-error flag.
20392 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20394 * configure.ac: Expect target tools paths to be passed from the toplevel
20395 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
20397 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
20399 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
20402 * c.opt (Wpointer-sign): Init to -1.
20403 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
20404 OPT_pedantic, to 0 otherwise.
20405 * doc/invoke.texi: Update.
20407 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
20409 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
20410 constants provided by 80387 instructions in the destination mode.
20412 2006-01-26 Richard Guenther <rguenther@suse.de>
20413 Andrew Pinski <pinskia@physics.uc.edu>
20416 partial PR tree-opt/17064
20417 * tree-ssa-structalias.c (intra_create_variable_infos):
20418 Create heap variables for incoming parameters if
20419 flag_argument_noalias > 1.
20420 (find_what_p_points_to): Look through default defs of
20423 2006-01-26 Jeff Law <law@redhat.com>
20426 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
20427 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
20428 within the VR_RANGE, use the VR_RANGE as the result, not the
20430 (adjust_range_with_scev): Reject ranges from SCEV which are out of
20431 bounds for the type.
20433 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
20435 * tree-ssa-alias.c (maybe_create_global_var): Change
20436 subvar walking to an assertion that we don't have subvar'd variables.
20438 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
20441 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
20442 Use a new variable, inner. PARM_DECLs are always non-weak.
20444 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
20446 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
20447 --disable-checking.
20449 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
20451 * config/mips/mips.md (*clear_upper32): New combiner pattern.
20453 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
20455 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
20456 (smax_insn, smin_insn, smax_0, smin_0): New.
20458 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
20461 * config/cris/cris.c (cris_order_for_addsi3): New function.
20462 * config/cris/cris-protos.h: Prototype it.
20463 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
20464 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
20465 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
20466 (split for "op.S1 [rx=rx+i],ry (swapped)")
20467 (split for "op(s|u).S1 [rx=rx+i],ry")
20468 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
20469 Apply cris_order_for_addsi3 when generating addsi3 insns.
20471 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20473 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
20474 (TREE_BLOCK): Add call to EXPR_CHECK.
20476 2006-01-25 Diego Novillo <dnovillo@redhat.com>
20479 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
20480 * tree-pretty-print.c (dump_omp_clause): Extract from ...
20481 (dump_omp_clauses): ... here.
20482 (dump_generic_node): Handle OMP_CLAUSE.
20483 * tree.c (omp_clause_num_ops): New.
20484 (omp_clause_code_name): New.
20485 (tree_code_size): Handle OMP_CLAUSE.
20486 (tree_size): Likewise.
20487 (make_node): Document handling of OMP_CLAUSE.
20488 (tree_node_structure): Handle OMP_CLAUSE.
20489 (omp_clause_check_failed): New.
20490 (omp_clause_range_check_failed): New.
20491 (omp_clause_operand_check_failed): New.
20492 (build_omp_clause): New.
20493 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
20494 * tree.h (enum omp_clause_code): Declare.
20495 (OMP_CLAUSE_SUBCODE_CHECK): Define.
20496 (OMP_CLAUSE_RANGE_CHECK): Define.
20497 (OMP_CLAUSE_ELT_CHECK): Define.
20498 (omp_clause_check_failed): Declare.
20499 (omp_clause_operand_check_failed): Declare.
20500 (omp_clause_range_check_failed): Declare.
20501 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
20502 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
20503 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
20504 (OMP_CLAUSE_LASTPRIVATE): Likewise.
20505 (OMP_CLAUSE_IF_EXPR): Likewise.
20506 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
20507 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
20508 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
20509 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
20510 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
20511 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
20512 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
20513 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
20514 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
20515 (OMP_CLAUSE_CODE): Define.
20516 (OMP_CLAUSE_SET_CODE): Define.
20517 (OMP_CLAUSE_CODE): Define.
20518 (OMP_CLAUSE_OPERAND): Define.
20519 (struct tree_omp_clause): Declare.
20520 (union tree_node): Add field 'omp_clause'.
20521 * treestruct.def (TS_OMP_CLAUSE): Define.
20522 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
20523 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
20524 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
20525 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
20526 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
20527 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
20528 (OMP_CLAUSE): Define.
20529 * print-tree.c (print_node): Handle OMP_CLAUSE.
20530 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
20531 * c-typeck.c: Likewise.
20532 * gimplify.c: Likewise.
20533 * c-omp.c: Likewise.
20534 * tree-nested.c: Likewise.
20535 * tree-inline.c: Likewise.
20536 * c-parser.c: Likewise.
20537 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
20540 2006-01-25 Roger Sayle <roger@eyesopen.com>
20542 PR rtl-optimization/25703
20543 * combine.c (try_combine): Handle zero_extract and strict_low_part
20544 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
20546 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
20548 * global.c: Fix comment typos.
20550 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
20553 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
20554 Use output_addr_const instead of assemble_name.
20556 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
20558 * Makefile.in (sched-vis.o): Update dependencies.
20559 * haifa-sched.c (sched_finish): Clear current_sched_info.
20560 * cfg.c (dump_bb_info): New, split from dump_flow_info.
20561 (dump_flow_info): Call it.
20562 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
20564 * basic-block.h (dump_bb_info): Declare.
20565 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
20566 option, and apply options only for dump files whose TDF_RTL,
20567 TDF_TREE, or TDF_IPA bits match.
20568 * rtl.h: Declare new functions exported from sched-vis.c.
20569 * sched-vis.c: Enable also if scheduling is not used.
20570 (print_value): Print the mode of registers if not inside scheduling.
20571 (print_insn): Make it work outside the scheduler. Beautify the output
20573 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
20575 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20577 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
20578 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
20579 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
20580 depending on the value of CONSTANT_POOL_ADDRESS_P.
20581 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
20583 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
20584 rather than SYMBOL_REF_DECL.
20585 (rtx_constant_pool): Remove const_rtx_sym_htab.
20586 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
20587 (init_varasm_status): Don't initialize const_rtx_sym_htab.
20588 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
20589 Remove handling of const_rtx_sym_htab.
20590 (find_pool_constant): Delete.
20591 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
20592 rather than find_pool_constant.
20593 (get_pool_constant_for_function): Delete.
20594 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
20595 find_pool_constant.
20596 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
20597 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
20598 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
20599 (SYMBOL_REF_CONSTANT): New macro.
20600 (get_pool_constant_for_function): Delete.
20601 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
20602 rather than SYMBOL_REF_DECL.
20603 (i386_pe_mark_dllimport): Likewise.
20604 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
20605 rather than SYMBOL_REF_DECL.
20606 * config/darwin.c (machopic_indirect_data_reference): Likewise.
20607 (machopic_indirect_call_target): Likewise.
20609 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
20611 * flow.c (delete_noop_moves): Add missing EOL to dump message.
20613 2006-01-25 Richard Sandiford <richard@codesourcery.com>
20615 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
20617 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
20619 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
20621 2006-01-24 David Daney <ddaney@avtrex.com>
20624 * configure.ac (enable_tls): New enable option.
20625 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
20626 * configure: Regenerate.
20627 * doc/install.texi (--enable-tls): Document new option.
20628 (--disable-tls): Ditto.
20630 2006-01-24 Richard Henderson <rth@redehat.com>
20632 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
20633 * alias.c (true_dependence): Respect it.
20634 (canon_true_dependence, write_dependence_p): Likewise.
20635 * builtins.c (get_builtin_sync_mem): Set it.
20637 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
20639 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
20642 2006-01-24 DJ Delorie <dj@redhat.com>
20644 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
20645 for storing constants in single-bit bitfields.
20647 2006-01-25 Ben Elliston <bje@au.ibm.com>
20649 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
20651 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
20654 * tree-ssa-pre.c (phi_translate): Return NULL
20655 for AGGREGATE_TYPE's.
20657 2006-01-24 Zack Weinberg <zackw@panix.com>
20659 * genautomata.c (process_state_for_insn_equiv_partition):
20660 Use xcalloc for insn_arcs_array.
20661 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
20662 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
20664 2006-01-24 Richard Henderson <rth@redhat.com>
20666 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
20667 update all callers.
20669 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
20671 PR rtl-optimization/25890
20672 PR rtl-optimization/25905
20673 * combine.c (expand_compound_operation, expand_field_assignment):
20674 Fail if the bitfield's final position is out of bounds.
20676 2006-01-24 Ian Lance Taylor <ian@airs.com>
20678 PR middle-end/25930
20679 * cgraphunit.c (cgraph_output_in_order): Don't clear
20680 cgraph_asm_nodes until after asm strings have been output.
20682 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
20684 * fix-header.c (read_scan_file): Add new parameter imultilib when
20685 calling register_include_chains.
20687 2006-01-23 Diego Novillo <dnovillo@redhat.com>
20689 * omp-low.c: Update documentation.
20691 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20692 Daniel Berlin <dberlin@dberlin.org>
20696 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
20697 return from the function.
20699 2006-01-22 Zack Weinberg <zackw@panix.com>
20701 * rtl.def (match_code): Add second argument.
20702 * genpreds.c (write_extract_subexp): New function.
20703 (write_match_code): Add path argument. Use write_extract_subexp.
20704 (write_predicate_expr): Pass path to write_match_code.
20705 (mark_mode_tests): MATCH_CODE applied to a subexpression does
20706 not perform a mode test.
20707 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
20708 a subexpression does not constrain the top-level code set.
20709 * read-rtl.c (read_rtx_variadic): New function.
20710 (read_rtx_1): Use it; allow AND and IOR to be variadic.
20711 * doc/md.texi: Document new notation.
20712 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
20713 (cmpsi_operand): ... here, using new notation.
20715 2006-01-22 Zack Weinberg <zackw@panix.com>
20717 * varray.c: Remove GENERATOR_FILE #ifdefs.
20719 2006-01-22 Zack Weinberg <zackw@panix.com>
20721 * genautomata.c (output_reserved_units_table): Emit nothing if
20722 description->query_units_num is zero. Remove extra blank line.
20723 (output_cpu_unit_reservation_p): Short circuit
20724 if description->query_units_num is zero.
20726 2006-01-22 Zack Weinberg <zackw@panix.com>
20728 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
20729 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
20730 nor any of the random handful of variables that used to be necessary
20731 when this program was linked with rtlanal.o. Prune set of forward
20732 function declarations.
20733 (struct attr_desc): Remove static_p field.
20734 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
20735 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
20736 (attr_string): Do not read the character one past the length of
20738 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
20739 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
20740 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
20741 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
20742 (make_automaton_attrs): New.
20743 (main): Do not call into genautomata. Call local gen_bypass
20744 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
20745 Remove special case for insn_alts.
20746 * genautomata.c: Include gensupport.h; not genattrtab.h nor
20747 varray.h (leftover from previous change). Prune set of forward
20748 function declarations. Remove state_alts fields from all
20749 structures. Remove state_alts_table from struct automaton.
20750 Make everything except main static. Do not maintain num_dfa_decls.
20751 Do not maintain state_alts fields of various structures.
20752 (process_decls): Don't validate condexp for dm_insn_reserv decls.
20753 (add_arc): Remove state_alts argument. All callers updated.
20754 (output_reserved_units_table): Emit #ifdef here...
20755 (output_tables): ...not here. Don't generate state_alts tables.
20756 (expand_automata): Don't generate attributes.
20757 (write_automata): Don't generate state_alts functions.
20758 (main): New function.
20759 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
20760 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
20761 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
20762 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
20763 (BYPASS_P_FUNC_NAME, output_state_alts_table)
20764 (output_automata_list_state_alts_code, output_internal_state_alts_func)
20765 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
20766 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
20768 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
20769 * genattrtab.h: Delete file.
20770 * Makefile.in (OBJS-common): Add insn-automata.o.
20771 (insn-automata.o): New rule.
20772 (simple_generated_c): Add insn-automata.c.
20773 (build/genattrtab.o, build/genautomata.o): Update dependencies.
20774 (genprogmd): Add automata.
20775 (build/genattrtab): Needs no extra objects nor libraries.
20776 (build/genautomata): Needs build/vec.o and -lm.
20778 2006-01-22 Zack Weinberg <zackw@panix.com>
20780 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
20781 (output_dfa_max_issue_rate, locked_states_num): Delete.
20782 (struct automaton): Add locked_states field.
20783 (output_dead_lock_vect): Save number of locked states in
20784 automaton->locked_states. If it is zero, don't print anything.
20785 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
20786 (output_internal_dead_lock_func): Only test the dead_lock_vect
20787 for automata that have locked states.
20788 (output_statistics): Always print the number of locked states for
20789 each automaton. Calculate total number of locked states here.
20790 (write_automata): Don't call output_dfa_max_issue_rate.
20791 * genattrtab.c: Define length_unit_log as a const variable.
20792 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
20793 max_insn_queue_index const.
20794 * final.c (length_unit_log): Declare const.
20795 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
20797 2006-01-22 Zack Weinberg <zackw@panix.com>
20799 * genautomata.c: Include vec.h, not varray.h.
20800 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
20801 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
20802 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
20803 VEC_* macros operating on appropriately typed vectors, or to
20804 malloced arrays when the size is known in advance. Const-ify
20805 many char* variables and function arguments. No functional changes.
20806 * Makefile.in (build/varray.o): Delete rule.
20807 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
20808 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
20810 2006-01-22 Zack Weinberg <zackw@panix.com>
20812 * gensupport.c: Define get_insn_name and record_insn_name here.
20813 (read_md_rtx): Call record_insn_name as appropriate.
20814 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
20815 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
20816 * genpreds.c, genrecog.c: Don't define get_insn_name nor
20818 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
20819 (BUILD_VARRAY): Delete.
20820 (genprognormal): Rename genprogmd. Fold in all programs from
20821 genprognoprint; also attrtab.
20822 (build/genattrtab): Just mention genautomata.o and varray.o.
20823 Reorganize a bit, add comments to make the categories clearer.
20825 2006-01-22 Zack Weinberg <zackw@panix.com>
20827 * genconditions.c (condition_table, add_condition): Delete.
20828 (write_conditions): Don't emit n_insn_conditions nor
20829 insn_elision_unavailable. Issue the gcc version #ifdef here,
20830 inside the table, with no #else clause ...
20831 (write_header): ...not here.
20832 (write_writer): New function.
20833 (main): Don't initialize condition_table. Use add_c_test.
20835 * gensupport.c (init_md_reader_args_cb): Handle multiple input
20836 files on the command line.
20837 (maybe_eval_c_test): Don't check insn_elision_unavailable.
20838 Return -1 if there is no entry in the table, don't abort.
20839 (add_c_test, traverse_c_tests): New functions.
20840 * gensupport.h (insn_elision_unavailable, insn_conditions)
20841 (n_insn_conditions): Delete declarations.
20842 (add_c_test, traverse_c_tests): Declare.
20843 * read-rtl.c: Include gensupport.h.
20844 (read_conditions): New function.
20845 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
20846 (read_rtx_1): If we get EOF when we were looking for an initial
20847 open paren, return 0. Call read_conditions when appropriate.
20848 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
20849 dummy-conditions.o. Eliminate references to insn-conditions.o,
20850 or change them to build/gencondmd.o, as appropriate. Remove
20851 insn-constants.h from $(simple_generated_h) and insn-conditions.c
20852 from $(simple_generated_c). For all files remaining in those
20853 two lists, add insn-conditions.md to the generator command line.
20854 Give insn-constants.h/s-constants their own rules. Add rules
20855 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
20856 (build/read-rtl.o): Depend on gensupport.h.
20857 (genprognormal): Include preds.
20858 (genprogearly): Rename genprognoprint; only difference is now that
20859 they don't link with $(BUILD_PRINT).
20860 * dummy-conditions.c: Delete.
20862 2006-01-22 Zack Weinberg <zackw@panix.com>
20864 * genextract.c: Don't include insn-config.h. Do include vec.h.
20865 Declare vectors of int, char, and locstr.
20866 (locstr): New typedef.
20867 (struct extraction): Make all array fields into bare pointers.
20868 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
20869 (insn_code_number): Delete.
20870 (accum_extract): New struct.
20871 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
20872 (gen_insn): Take insn_code_number as an argument. Use an
20873 accum_extract structure instead of loading data directly into
20874 a struct extraction, and having to know how big it might get.
20875 (walk_rtx): Operate entirely on an accum_extract structure.
20876 (print_path): Avoid unnecessary use of printf.
20877 (print_header): New function, split out of main. Distinguish
20878 more carefully between an unrecognizable insn and an insn that
20879 has the code number of a define_expand.
20880 (main): Pass insn_code_number to gen_insn. Call print_header
20881 only after parsing. Avoid unnecessary use of printf.
20882 * Makefile.in (build/vec.o): New rule.
20883 (build/genextract): Depend on build/vec.o.
20884 (build/genextract.o): Don't depend on insn-config.h.
20886 2006-01-22 Zack Weinberg <zackw@panix.com>
20888 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
20889 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
20890 practical. Eliminate per-generator-program link rules.
20892 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
20894 PR middle-end/24437
20895 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
20896 with a call expr to ...
20897 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
20899 2006-01-23 Richard Guenther <rguenther@suse.de>
20901 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
20902 before make_edge with conditional EDGE_TRUE_VALUE.
20904 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
20905 Jan Hubicka <jh@suse.cz>
20906 Richard Guenther <rguenther@suse.de>
20908 PR rtl-optimization/25654
20909 * cfgexpand.c (aggregate_contains_union_type): New function.
20910 (add_alias_set_conflicts): Call it. Make sure to add conflicts
20911 for structure variables that contain a union type.
20913 2006-01-23 Richard Sandiford <richard@codesourcery.com>
20915 * gengtype.c (new_structure): Return the structure.
20916 (create_option): Add an extra "next" argument.
20917 (create_field): New function.
20918 (adjust_field_rtx_def): Use create_option and create_field.
20919 Remove a now-unnecessary call to find_structure.
20920 (adjust_field_tree_def): Likewise.
20921 (note_yacc_type): Remove an unnecessary call to find_structure.
20922 * gengtype.h (new_structure): Return the structure.
20923 (create_option): Add an extra argument.
20924 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
20925 (option): Adjust calls to create_option.
20927 2006-01-22 David Edelsohn <edelsohn@gnu.org>
20929 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
20931 2006-01-22 Paul Brook <paul@codesourcery.com>
20932 Peter Barada <peter@the-baradas.com>
20934 * config/m68k/m68k.md: Add Coldfire FPU support.
20935 Define FP mode macro and associated attributes.
20936 Use it for float mode patterns.
20937 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
20938 (LIBCALL_VALUE): Use m68k_libcall_value.
20939 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
20940 (m68k_function_value): Ditto.
20941 (emit_move_sequence): Ditto.
20942 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
20943 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
20944 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
20945 (MULTILIB_EXCEPTIONS): Ditto.
20946 * config/m68k/m68k.opt: Add mcfv4e.
20947 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
20948 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
20949 (m68k_output_function_prologue): Save ColdFire FPU registers.
20950 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
20951 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
20952 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
20953 ColdFire FPU registers.
20954 (m68k_libcall_value, m68k_function_value): New functions.
20955 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
20956 (LIBCALL_VALUE): Use m68k_libcall_value.
20957 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
20958 (MASK_COLDFIRE): Add MASK_CFV4E.
20959 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
20960 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
20961 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
20962 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
20963 (GO_IF_LEGITIMATE_ADDRESS): Use it.
20964 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
20965 * doc/invoke.tex: Document -mcfv4e on m68k.
20967 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
20969 * doc/contribute.texi: Change CVS to SVN and update the corresponding
20972 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
20975 * c-opts.c (c_common_handle_option): Don't include
20976 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
20977 * doc/invoke.texi (C++ Dialect Options): Document that
20978 -Wnon-virtual-dtor is no longer included in -Wall.
20980 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
20982 * gcov.c (print_version), gcov-dump.c (print_version),
20983 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
20986 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
20988 * df-scan.c (problem_SCAN): Added NULL reset function.
20989 (df_scan_reset_blocks): Added code to call reset block function
20990 (df_bb_refs_delete) Fixed comment.
20991 (df_insn_refs_delete): Made tolerant of deleting non existent info
20992 for dataflow problems that need to be reset.
20993 * df-core.c (df_set_blocks): Ditto.
20994 * df.h (struct df_problem): Added reset_fun.
20995 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
20996 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
20997 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
20998 functions to clear out all references to def-use or use-def chains.
21000 2006-01-21 Ben Elliston <bje@au.ibm.com>
21002 * varasm.c (assemble_real): Initialise data array.
21004 2006-01-20 Paul Brook <paul@codesourcery.com>
21006 Merge from csl-arm-branch.
21007 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
21008 * config/arm/arm.md (movdi): Force operands[1] to a register
21009 if we have a non-register source.
21010 (*arm_movdi, *movdf_soft_insn): Require that one of the
21011 operands be a register.
21012 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
21013 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
21015 2006-01-20 DJ Delorie <dj@redhat.com>
21017 * varasm.c (initializer_constant_valid_p): Allow pointers
21018 initialized from integer constants of lesser precision.
21019 (output_constant): Allow non-int-sized pointer modes to be
21020 initialized from integer constants.
21022 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
21025 * cppdefault.h (struct default_include): Add multilib flag.
21026 * cppdefault.c (cpp_include_defaults): Set it.
21027 * c.opt (-imultilib): New option.
21028 * c-opts.c (imultilib): New.
21029 (c_common_handle_option): Handle -imultilib.
21030 (c_common_post_options): Likewise.
21031 * c-incpath.c (add_standard_paths, register_include_chains):
21033 * c-incpath.h (register_include_chains): Add extra parameter.
21034 * gcc.c (do_spec_1): Generate -imultilib option.
21035 (The Specs Language): Update %I description.
21036 (process_command): Update copyright notice.
21037 * doc/cppopts.texi (-imultilib): Document.
21038 * doc/invoke.texi (-imultilib): Include in option summary.
21039 (%I): Update specs documentation.
21041 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21043 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
21045 2006-01-20 Richard Sandiford <richard@codesourcery.com>
21047 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
21050 2006-01-20 Richard Guenther <rguenther@suse.de>
21051 Steven Bosscher <stevenb.gcc@gmail.com>
21053 PR rtl-optimization/24626
21054 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
21055 EDGE_TRUE_VALUE if in RTL mode.
21058 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
21059 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
21061 2006-01-20 Dirk Mueller <dmueller@suse.com>
21064 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
21065 instead of a special NOP marker.
21066 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
21067 NOP marker handling.
21068 * c-common.h (empty_body_warning): Add forward declaration.
21069 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
21070 Now uses IS_EMPTY_STMT() instead of special NOP markers.
21072 2006-01-20 Paul Brook <paul@codesourcery.com>
21074 * Makefile.in (lang_checks): Keep going if mkdir fails.
21076 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21078 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
21079 be able to clean out basic block when not necessary.
21080 (df_scan_free): Fixed to properly delete information if df is
21081 unused before calling df_finish.
21082 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
21083 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
21085 (df_bb_refs_delete): New function.
21086 (df_refs_delete): Moved per block code to df_bb_refs_delete.
21087 * df-core.c (df_set_blocks): Added code to properly clean out
21088 unused blocks if they are not part of the blocks to consider.
21089 Added additional null check.
21090 (df_compact_blocks): Added basic block parameter to free_bb_fun to
21091 be able to clean out basic block when not necessary
21092 * df.h (df_free_bb_function): Ditto.
21093 (df_bb_refs_delete): New function.
21094 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
21095 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
21096 basic block parameter to be able to clean out basic block when not
21098 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
21099 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
21100 Fixed to properly delete information if df is unused before
21103 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
21105 PR rtl-optimization/25799
21106 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
21107 Corrected confluence operator to remove bits from op2 before oring
21108 with op1 rather than removing bits from op1.
21109 (df_ru_transfer_function): Corrected test on wrong bitmap which
21110 caused infinite loop. Both of these problems were introduced in
21111 the dataflow rewrite.
21113 2006-01-19 DJ Delorie <dj@redhat.com>
21115 * reload1.c (find_reload_regs): Note the details of reload
21116 failures in the dump file.
21117 (spill_failure): Likewise.
21119 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
21121 * loop-iv.c: Include df.h and hashtab.h.
21122 (enum iv_grd_result): New enum.
21123 (DF_REF_IV, DF_REF_IV_SET): New macros.
21124 (struct biv_entry): New.
21125 (df, bivs): New global variables.
21126 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
21127 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
21129 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
21130 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
21131 analyzed_for_bivness_p, record_biv): New functions.
21132 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
21133 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
21134 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
21136 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
21138 (iv_number_of_iterations): Use new interface to iv analysis.
21139 * loop-unroll.c: Do not include varray.h.
21140 (analyze_iv_to_split_insn): Use new interface to iv
21142 * loop-unswitch.c (may_unswitch_on): Ditto.
21143 * df.c (df_bitmaps_free): Only work for bbs for that structures are
21145 (df_bb_modify): Realloc tables to the new index.
21146 (df_find_use): New function.
21147 * df.h (df_find_use): Declare.
21148 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
21150 * cfgloop.h (struct rtx_iv): Remove analysed field.
21151 (iv_get_reaching_def): Removed.
21152 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
21153 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
21154 (loop-iv.o): Add df.h and hashtab.h dependency.
21155 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
21157 2006-01-20 Alan Modra <amodra@bigpond.net.au>
21160 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
21162 (__floatundisf, __floatundidf): Likewise.
21163 * libgcc2.h (IS_IBM_EXTENDED): Define.
21165 2006-01-19 DJ Delorie <dj@redhat.com>
21167 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
21169 2006-01-19 Paul Brook <paul@codesourcery.com>
21171 * config/arm/arm.c (arm_compute_func_type): Treat all functions
21172 as nothrow when unwinding tables are disabled.
21174 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
21177 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
21178 of bit-field" when in system header.
21180 2006-01-19 DJ Delorie <dj@redhat.com>
21182 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
21183 the 16 bit shift limit of the m16c.
21185 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
21188 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
21189 * config/i386/i386.c (output_set_got): Output the label if we have one
21190 for the TARGET_DEEP_BRANCH_PREDICTION case.
21192 2006-01-19 Jan Hubicka <jh@suse.cz>
21193 H.J. Lu <hongjiu.lu@intel.com>
21194 Evandro Menezes <evandro.menezes@amd.com>
21196 * invoke.texi (generic): Document
21198 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
21199 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
21200 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
21201 (x86_use_incdec, x86_pad_returns): New variables
21202 (TARGET_CPU_DEFAULT_generic): New constant
21203 (TARGET_CPU_DEFAULT_NAMES): Add generic.
21204 (enum processor_type): Add generic32 and generic64.
21205 * i386.md (cpu attribute): Add generic32/generic64
21206 (movhi splitter): Behave sanely when both partial_reg_dependency and
21207 partial_reg_stall are set.
21208 (K8 splitters): Enable for generic as well.
21209 * predicates.md (incdec_operand): Use TARGET_INCDEC
21210 (aligned_operand): Avoid memory mismatch stalls.
21211 * athlon.md: Enable for generic64, new patterns for 128bit moves.
21212 * ppro.md: Enable for generic32
21213 * i386.c (generic64_cost, generic32_cost): New.
21214 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
21215 (x86_use_leave): Enable for generic64. (x86_use_sahf,
21216 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
21217 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
21218 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
21219 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
21220 x86_partial_reg_dependency, x86_memory_mismatch_stall,
21221 x86_accumulate_outgoing_args, x86_prologue_using_move,
21222 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
21223 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
21224 Enable for generic.
21225 (x86_use_incdec, x86_pad_returns): New.
21226 (override_options): Add generic32 and generic64, translate "generic"
21227 to generic32/generic64 and "i686" to "generic32", refuse
21228 "generic32"/"generic64" as arch target.
21229 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
21230 (ix86_reorg): Honor PAD_RETURNS.
21232 2006-01-19 Diego Novillo <dnovillo@redhat.com>
21234 * tree-pretty-print.c (dump_generic_node): Handle
21235 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
21236 * cgraph.c (cgraph_expand_queue): Rename from
21237 cgraph_analyze_queue. Update all users.
21238 * cgraphunit.c (cgraph_assemble_pending_functions): Process
21239 cgraph_expand_queue.
21240 (cgraph_expand_all_functions): Likewise.
21241 (cgraph_finalize_pending_functions): Remove. Update callers.
21243 * tree.h (OMP_DIRECTIVE_P): Define.
21244 (OMP_PARALLEL_FN): Define.
21245 (OMP_PARALLEL_DATA_ARG): Define.
21246 (OMP_SECTIONS_SECTIONS): Define.
21247 * tree-pass.h (pass_expand_omp): Declare.
21248 * omp-low.c (struct omp_region): Declare.
21249 (struct omp_context): Remove fields 'parallel_type',
21250 'parallel_start_ix' and 'parallel_start_additional_args'.
21252 (struct omp_for_data): Rename from struct expand_omp_for_data.
21253 (omp_regions): New static variable.
21254 (root_omp_region): New static variable.
21255 (find_omp_clause): Make static.
21256 (is_in_combined_parallel_ctx): Remove.
21257 (is_combined_parallel): New.
21258 (extract_omp_for_data): Move earlier in the file.
21259 (workshare_safe_to_combine_p): New.
21260 (get_ws_args_for): New.
21261 (determine_parallel_type): Move earlier in the file.
21262 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
21264 (omp_copy_decl): Likewise.
21265 (create_omp_child_function): Likewise.
21266 (lookup_omp_region): New.
21267 (dump_omp_region): New.
21268 (debug_omp_region): New.
21269 (debug_all_omp_regions): New.
21270 (new_omp_region): New.
21271 (scan_omp_parallel): If parallel_nesting_level > 1, the
21272 directive is nested within another parallel directive.
21273 Set OMP_PARALLEL_FN.
21274 (scan_omp_for): Do not try to handle combined parallel+for
21276 Remove FIXME comment.
21277 (scan_omp_nested): Remove.
21278 (scan_omp_1): Do not call scan_omp_nested when
21279 parallel_nesting_level is > 1.
21280 Do not change the DECL_CONTEXT of local variables found.
21281 (lookup_decl_in_outer_ctx): New.
21282 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
21283 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
21284 (lower_reduction_clauses): Rename from expand_reduction_clauses.
21285 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
21286 If CTX is nested, lookup VAR in the outer context when
21287 building copy assignment.
21288 (lower_send_clauses): Rename from expand_send_clauses.
21289 If CTX is nested, lookup VAR in the outer context when
21290 building copy assignments.
21291 (lower_send_shared_vars): Rename from expand_send_shared_vars.
21292 If CTX is nested, lookup VAR in the outer context when
21293 building copy assignments.
21294 (expand_parallel_call): Rename from build_parallel_call.
21295 Handle combined parallel+workshare cases.
21296 Re-implement to emit code into the CFG.
21298 (expand_omp_parallel): Re-implement to emit code into the CFG.
21299 Call move_sese_region_to_fn to outline the sub-graph
21300 containing the parallel region.
21301 (expand_omp_for_1): Remove.
21302 (expand_omp_for_generic): Re-implement to emit code into the
21304 (expand_omp_for_static_nochunk): Likewise.
21305 (expand_omp_for_static_chunk): Likewise.
21306 (expand_omp_for): Likewise.
21307 (expand_omp_sections): Likewise.
21308 (remove_exit_barriers): New.
21309 (expand_omp_synch): New.
21311 (build_omp_regions_1): New.
21312 (build_omp_regions): New.
21313 (execute_expand_omp): New.
21314 (gate_expand_omp): New.
21315 (pass_expand_omp): Define.
21316 (lower_omp_sections): Rename from expand_omp_sections.
21317 Set OMP_SECTIONS_SECTIONS.
21318 (lower_omp_single_simple): Rename from expand_omp_single_simple.
21319 (lower_omp_single_copy): Rename from expand_omp_single_copy.
21320 (lower_omp_single): Rename from expand_omp_simple.
21321 (lower_omp_master): Rename from expand_omp_master.
21322 (lower_omp_ordered): Rename from expand_omp_ordered.
21323 (lower_omp_critical): Rename from expand_omp_critical.
21324 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
21325 (lower_omp_for): Re-implement.
21326 (lower_omp_parallel): Re-implement.
21327 (lower_regimplify): Rename from expand_regimplify.
21328 (lower_omp_1): Rename from expand_omp_1.
21329 If there are syntax errors in the program, replace every
21330 OpenMP directive with NOP.
21331 Call lower_omp_* instead of expand_omp_*.
21332 (lower_omp): Rename from expand_omp.
21334 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
21335 * tree-gimple.h (enum omp_parallel_type): Remove.
21336 (gimple_boolify): Declare extern.
21337 (find_omp_clause, determine_parallel_type): Remove.
21339 * gimple-low.c (lower_omp_directive): New.
21340 (lower_stmt): Call it.
21341 (record_vars_into): Move from ...
21342 (record_vars): ... here.
21343 Call record_vars_into with current_function_decl.
21345 * gimplify.c (struct gimplify_ctx): Remove fields
21346 combined_pre_p and combined_ctxp. Update users.
21347 (get_formal_tmp_var): Add documentation.
21348 (gimple_boolify): Make extern.
21349 (gimplify_expr_in_ctx): Remove. Update callers.
21350 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
21351 will always be a BIND_EXPR.
21352 (gimplify_expr): Handle OMP_RETURN_EXPR.
21353 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
21354 (OMP_PARALLEL): Add 3 operands.
21355 (OMP_SECTIONS): Add 1 operand.
21356 (OMP_RETURN_EXPR): Define.
21358 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
21359 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
21360 * tree-iterator.c (alloc_stmt_list): Assert that we are not
21361 creating a circular free list.
21362 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
21364 * tree-flow.h (move_sese_region_to_fn): Declare.
21365 (record_vars_into): Declare.
21366 * tree-cfg.c (make_omp_sections_edges): New.
21367 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
21368 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
21369 OMP_SECTIONS and OMP_SECTION.
21370 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
21371 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
21372 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
21373 (gather_blocks_in_sese_region): New.
21374 (struct move_stmt_d): Declare.
21375 (move_stmt_r): New.
21376 (move_block_to_fn): New.
21377 (move_sese_region_to_fn): New.
21379 * passes.c (init_optimization_passes): Schedule
21380 pass_expand_omp after pass_init_datastructures.
21382 * tree-ssa-operands.c (get_expr_operands): Handle
21383 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
21384 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
21386 2006-01-19 Jeff Law <law@redhat.com>
21388 * tree-vrp.c (extract_range_from_assert): Refine the result range
21389 if the variable referenced by the ASSERT_EXPR has a range and
21390 either the tentative result range or the previous range is a
21393 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21395 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
21397 2006-01-19 Jan Hubicka <jh@suse.cz>
21399 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
21401 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
21403 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
21404 (expand_compound_operation, expand_field_assignment): Fail if the
21405 bit lengths of an extract operation are out of range.
21406 (make_extraction): Compute wanted_inner_mode based on the position
21407 and length of the extraction. Make it extraction_mode for non-constant
21408 positions, and do not modify offset in that case. When generating a
21409 new MEM, use a mode that can hold the extraction while keeping correct
21410 alignment. Remove code that supported MEMs wrapped by USEs.
21411 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
21413 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
21415 * config/s390/s390.md ("Y", "y"): New mode attribute.
21416 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
21417 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
21418 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
21419 "*addsi3_imm_cc", "*addsi3_carry1_cc",
21420 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
21421 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
21422 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
21423 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
21424 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
21425 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
21426 "addsi3", "subsi3"): Insn patterns removed.
21427 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
21428 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
21429 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
21430 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
21431 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
21432 "*sub<mode>3_cconly2"): New insn patterns.
21433 ("addsi3", "subsi3"): New expanders.
21435 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
21437 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
21438 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
21439 existing STMT_VINFO_VECTYPE if available.
21440 (vect_mark_relevant): Add special handling for stmts that are
21441 marked as STMT_VINFO_IN_PATTERN_P.
21442 (vect_analyze_loop): Call vect_pattern_recog.
21443 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
21444 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
21446 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
21447 (vect_recog_func_ptr): New function-pointer type.
21448 * tree-vect-patterns.c: New file.
21449 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
21450 (vect_recog_dot_prod_pattern, vect_pattern_recog):
21451 (vect_pattern_recog_1): New functions.
21452 (vect_pattern_recog_funcs): New array of function pointers.
21454 * tree-vectorizer.h (ternary_op): New enum value.
21455 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
21456 declaration. Revised documentation. Removed redundant dump prints.
21457 Removed redundant argument. Added support for reduction patterns.
21458 (vectorizable_reduction): Added support for reduction patterns.
21459 (vect_transform_stmt): Added support for patterns.
21461 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
21462 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
21463 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
21464 (expand_widen_pattern_expr): New function.
21465 (init_optabs): Initialize new optabs udot_prod_optab,
21467 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
21468 (sdot_prod_optab, udot_prod_optab): Define new optabs.
21469 (expand_widen_pattern_expr): New function declaration.
21470 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
21472 * tree-inline.c (estimate_num_insns_1): Added cases for new
21473 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21474 * tree-pretty-print.c (dump_generic_node): Likewise.
21475 (op_prio): Likewise.
21476 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
21477 * tree-ssa-operands.c (get_expr_operands): Added case for
21479 * tree-vect-patterns.c (widened_name_p): New function.
21480 (vect_recog_dot_prod_pattern): Added function implementation.
21481 * tree-vect-transform.c (get_initial_def_for_reduction): Added
21482 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
21483 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
21484 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
21486 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
21487 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
21488 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
21489 (init_optabs): Initialize new optabs widen_ssum_optab,
21491 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
21492 (widen_ssum_optab, widen_usum_optab): Define new optabs.
21493 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
21494 use instead of type of def.
21495 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
21496 function implementation.
21497 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
21498 widen_ssumv8hi): New.
21500 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
21503 2006-01-19 Richard Sandiford <richard@codesourcery.com>
21506 * c-decl.c (add_flexible_array_elts_to_size): New function.
21507 (finish_decl): Use it.
21509 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
21511 * diagnostic.h: Include options.h.
21512 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
21513 dependancies for diagnostic.h.
21514 * Makefile.in (DIAGNOSTIC_H): Add options.h.
21516 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
21518 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
21519 (ssa_ro_call_cache_valid): Ditto.
21520 * tree-ssa-alias.c (sort_tags_by_id): New function.
21521 (init_transitive_clobber_worklist): Ditto.
21522 (add_to_worklist): Ditto.
21523 (mark_aliases_call_clobbered): Ditto.
21524 (compute_tag_properties): Ditto.
21525 (set_initial_properties): Ditto.
21526 (compute_call_clobbered): Ditto.
21527 (compute_may_aliases): Call compute_call_clobbered and grouping.
21528 (compute_flow_sensitive_aliasing): Remove clobbering related code.
21529 (compute_flow_insensitive_aliasing): Grouping now happens in our
21531 (setup_pointers_and_addressables): Remove clobbering related code.
21532 (add_may_alias): Ditto.
21533 (replace_may_alias): Ditto.
21534 (get_nmt_for): Ditto.
21535 (create_global_var):
21536 (is_escape_site): Return an escape_type enumeration.
21537 * tree-flow-inline.h (is_call_clobbered): Global var does not
21538 imply call clobbered.
21539 (mark_call_clobbered): Take a reason for marking this. Remove
21540 marking of globalness, and cache invalidation.
21541 (clear_call_clobbered): Remove cache invalidation code.
21542 * tree-dfa.c (dump_variable): If details is on, dump the reason
21544 * tree-outof-ssa.c (create_temp): Copy escape mask from original
21546 * tree-flow.h (struct ptr_info_def): Add escape mask member.
21547 (struct var_ann_d): Ditto.
21548 (enum escape_type): New.
21549 (mark_call_clobbered): Adjust prototype.
21550 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
21551 are never call clobbered.
21552 Record reasons for escaping.
21553 * tree-ssa-structalias.h (is_escape_site): Update prototype.
21554 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
21555 (ssa_ro_call_cache_valid): Ditto.
21556 (clobbered_v_may_defs): Ditto.
21557 (clobbered_vuses): Ditto.
21558 (ro_call_vuses): Ditto.
21559 (clobber_stats): New.
21560 (init_ssa_operands): Zero out clobber stats.
21561 (fini_ssa_operands): Print out clobber stats.
21562 (get_call_expr_operands): Pass callee fndecl to
21563 add_call_read_ops).
21564 (add_call_clobber_ops): Remove use of cache.
21565 Add use of PURE_CONST information.
21566 (add_call_read_ops): Remove use of cache.
21567 Add use of static not_read information.
21569 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
21571 Introduce TLS descriptors for i386 and x86_64.
21572 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
21573 (TARGET_ANY_GNU_TLS): New macro.
21574 (enum tls_dialect): Added TLS_DIALECT_GNU2.
21575 (struct machine_function): Add tls_descriptor_call_expanded_p.
21576 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
21577 (ix86_current_function_calls_tls_descriptor): Likewise.
21578 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
21579 (override_options): Introduce gnu2 tls dialect.
21580 (ix86_frame_pointer_required): Functions containing TLSCALLs are
21582 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
21584 (legitimize_tls_address): Adjust logic for GNU2 TLS.
21585 (ix86_init_machine_status): Initialize new field.
21586 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
21587 (ix86_tls_module_base): New.
21588 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
21589 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
21590 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
21591 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
21592 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
21593 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
21594 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
21595 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
21596 * config/i386/predicates.md (tls_modbase_operand): New.
21597 (tp_or_register_operand): New.
21599 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
21601 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
21602 (look_for_address_of): Ditto.
21603 (ipa_init): Walk the function decls.
21604 (static_execute): Don't set readonly on FUNCTION_DECL's.
21606 2006-01-18 Roger Sayle <roger@eyesopen.com>
21608 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
21609 for shifts where the source and destination registers are different.
21611 2006-01-18 Paul Brook <paul@codesourcery.com>
21613 Merge from csl-arm-branch.
21614 2005-03-14 Julian Brown <julian@codesourcery.com>
21615 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
21616 (aeabi_llsl): Likewise.
21617 (ashrdi3): Likewise.
21618 (aeabi_lasr): Likewise.
21619 (lshrdi3): Likewise.
21620 (aeabi_llsr): Likewise.
21621 2005-03-10 Julian Brown <julian@codesourcery.com>
21622 * config.gcc: Disable shared libgcc for SymbianOS.
21623 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
21625 2006-01-18 DJ Delorie <dj@redhat.com>
21627 * c-pragma.c (handle_pragma_diagnostic): New.
21628 (init_pragma): Register it.
21629 * doc/extend.texi: Document it.
21631 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
21632 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
21633 (diagnostic_context): Add classify_diagnostic[].
21634 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
21635 as errors if they're overridden to DK_WARNING.
21636 (diagnostic_initialize): Initialize classify_diagnostic[].
21637 (diagnostic_set_kind_override): New.
21638 (diagnostic_report_diagnostic): Check for kind changes.
21639 * opts.c (common_handle_option): Take lang_mask. Update callers.
21640 Handle OPT_Werror_.
21641 * common.opt (Werror=): New.
21642 * doc/invoke.texi: Document -Werror=*
21644 2006-01-18 Jeff Law <law@redhat.com>
21646 * tree-vrp.c (test_for_singularity): Correct test for new
21647 min limit. Use operand_equal_p rather than pointer equality
21648 for testing if new min/max values are equal.
21650 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
21651 using range information until after propagation and folding.
21653 2006-01-18 Richard Henderson <rth@redhat.com>
21654 Aldy Hernandez <aldyh@redhat.com>
21655 Jakub Jelinek <jakub@redhat.com>
21656 Diego Novillo <dnovillo@redhat.com>
21658 * omp-low.c: New file.
21659 * c-omp.c: New file.
21661 2006-01-18 Richard Henderson <rth@redhat.com>
21662 Jakub Jelinek <jakub@redhat.com>
21663 Diego Novillo <dnovillo@redhat.com>
21665 * doc/invoke.texi: Document -fopenmp.
21666 * tree-dump.h (debug_function): Declare.
21667 * hooks.c (hook_bool_tree_bool_false): New function.
21668 (hook_tree_tree_null): Remove.
21669 (hook_tree_tree_tree_null): New.
21670 * hooks.h: Update to match.
21671 * tree-pretty-print.c (debug_tree_chain): New.
21672 (print_generic_expr): Handle TDF_CHAIN.
21673 (dump_generic_node): Handle BLOCK.
21674 Do not abort with incomplete SWITCH_EXPRs.
21675 Do not dump body of an OpenMP directive if TDF_SLIM is given.
21676 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
21677 print space after directive name.
21678 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
21679 Handle OMP_MASTER and OMP_ORDERED.
21680 Handle printing of OMP_BODY just in one place, goto
21681 dump_omp_body in the rest of OMP_* nodes that have
21683 Don't handle clause nodes here. Update omp statements to
21684 use dump_omp_clauses.
21685 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
21686 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
21687 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
21688 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
21689 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
21690 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
21691 Adjust output for GOMP_PARALLEL.
21692 (dump_omp_clauses): New.
21693 (print_declaration): Dump DECL_VALUE_EXPR.
21694 (op_symbol_1): Split out of op_symbol.
21695 (dumping_stmts): Remove. Update all users.
21696 * cgraph.c (cgraph_analyze_queue): New.
21697 (cgraph_add_new_function): New.
21698 * cgraph.h (cgraph_analyze_queue): Declare.
21699 (cgraph_add_new_function): Declare.
21700 (cgraph_lower_function): Remove.
21701 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
21702 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
21703 and TYPE_P nodes in its default clause.
21704 (empty_body_p): New.
21705 (tree_range_check_failed): New.
21706 (build5_stat): New.
21707 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
21708 OMP_CLAUSE_REDUCTION_MERGE,
21709 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
21710 OMP_CLAUSE_PRIVATE_DEBUG,
21711 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
21712 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
21713 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
21714 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
21715 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
21716 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
21717 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
21718 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
21719 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
21720 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
21721 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
21722 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
21723 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
21724 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
21725 (TREE_RANGE_CHECK): New.
21726 (empty_body_p): Declare.
21727 (enum omp_clause_default_kind): New.
21728 (build_string_literal): Declare.
21729 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
21730 (build5_stat, build5): Declare.
21731 * tree-pass.h (TDF_CHAIN): Define.
21732 * tree-pass.h (PROP_gimple_lomp): Define.
21733 (pass_lower_omp): Declare.
21734 * diagnostic.h (debug_tree_chain): Declare.
21735 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
21737 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
21738 * builtins.c (build_string_literal): Make extern.
21739 * gcc.c (include_spec_function): New.
21740 (static_spec_functions): Add it.
21741 (main): Move load of libgomp.spec ...
21742 (LINK_COMMAND_SPEC): ... here.
21743 (link_gomp_spec): New.
21744 (static_specs): Include it.
21745 (LINK_COMMAND_SPEC): Add link_gomp.
21746 (GOMP_SELF_SPECS): New.
21747 (driver_self_specs): Include it.
21748 (switch_matches): Don't mark inline.
21749 (main): Load libgomp.spec.
21750 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
21751 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
21752 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
21753 * tree-gimple.h (enum omp_parallel): Declare.
21754 (determine_parallel_type): Declare.
21755 (omp_firstprivatize_variable): Declare.
21756 (omp_reduction_init): Declare.
21757 (diagnose_omp_structured_block_errors): Declare.
21758 (struct walk_stmt_info): Add want_return_expr.
21759 (struct walk_stmt_info): Add want_bind_expr, want_locations.
21760 (find_omp_clause): Declare.
21761 (insert_field_into_struct): Declare.
21762 (struct walk_stmt_info): Move from tree-nested.c
21763 (walk_stmts): Declare.
21764 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
21766 * cgraphunit.c (cgraph_lower_function): Make static.
21767 (cgraph_finalize_pending_functions): New.
21768 (cgraph_finalize_function): Call it.
21769 (cgraph_finalize_compilation_unit): Likewise.
21770 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
21771 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
21772 (BT_FN_UINT_UINT): New.
21773 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
21774 DEF_FUNCTION_TYPE_VAR_4): Document.
21775 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
21776 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
21777 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
21778 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
21779 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
21780 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
21781 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
21782 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
21783 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
21784 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
21785 into separate files.
21786 (DEF_GOMP_BUILTIN): New.
21787 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
21788 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
21789 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
21790 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
21791 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
21792 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
21793 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
21794 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
21795 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
21796 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
21797 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
21798 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
21799 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
21800 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
21801 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
21802 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
21803 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
21804 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
21805 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
21806 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
21807 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
21808 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
21809 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
21810 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
21811 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
21812 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
21813 * sync-builtins.def: New file, moved from builtins.def.
21814 * omp-builtins.def: New file, moved from builtins.def.
21815 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
21816 * gimple-low.c (lower_function_body): Clear data.
21817 (lower_stmt): Do not handle COMPOUND_EXPR.
21818 Remove call to print_node_brief.
21819 * c-tree.h (c_finish_omp_clauses): New prototype.
21820 (C_DECL_THREADPRIVATE_P): Define.
21821 (lookup_name_no_remap, c_omp_remap_private): Remove
21822 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
21823 (check_for_loop_decls): Update decl.
21824 (lookup_name_no_remap, c_omp_remap_private): Declare.
21825 (build_indirect_ref, build_modify_expr, pushdecl,
21826 pushdecl_top_level): Move to c-common.h.
21827 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
21828 before the switch, but just in the 2 places that need it.
21829 * c-decl.c (diagnose_mismatched_decls): Do not check for
21830 mismatched thread-local attributes when OLDDECL is marked
21831 threadprivate and NEWDECL has no thread-local attributes.
21832 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
21833 (c_gimple_diagnostics_recursively): Rename from
21834 c_warn_unused_result_recursively. Invoke
21835 diagnose_omp_structured_block_errors.
21836 (check_for_loop_decls): Return a singular decl found.
21837 * langhooks.c (lhd_omp_predetermined_sharing): Return
21838 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
21839 (lhd_omp_firstprivatize_type_sizes): New.
21840 (lhd_omp_assignment): New.
21841 (lhd_omp_predetermined_sharing): New.
21842 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
21843 (struct lang_hooks_for_types): Add
21844 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
21845 omp_predetermined_sharing, omp_disregard_value_expr,
21846 omp_private_debug_clause, omp_clause_default_ctor,
21847 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
21848 (c_finish_omp_clauses): New.
21849 (c_finish_bc_stmt): Diagnose break within omp for.
21850 (c_begin_omp_parallel, c_finish_omp_parallel): New.
21851 (build_unary_op): Return error_mark after reporting
21853 (build_modify_expr): Likewise.
21854 * gimplify.c: Include optabs.h and pointer-set.h.
21855 (enum gimplify_omp_var_data): Declare.
21856 (struct gimplify_omp_ctx): Declare.
21857 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
21859 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
21860 (push_gimplify_context, pop_gimplify_context): Allow nesting.
21861 (splay_tree_compare_decl_uid): New.
21862 (new_omp_context): New.
21863 (delete_omp_context): New.
21864 (gimple_add_tmp_var): Call omp_add_variable.
21865 (gimplify_bind_expr): Likewise.
21866 (gimplify_var_or_parm_decl): If omp_notice_variable returned
21867 true, disregard DECL_VALUE_EXPR on the decl if any.
21868 (gimplify_expr_in_ctx): New.
21869 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
21870 omp_add_variable, omp_notice_variable, omp_is_private
21871 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
21872 gimplify_adjust_omp_clauses, gimplify_omp_parallel
21873 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
21874 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
21875 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
21876 gimplify_omp_atomic): New.
21877 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21878 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21879 OMP_CRITICAL and OMP_ATOMIC.
21880 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
21881 * c-pragma.h (enum pragma_kind): Add
21882 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
21883 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
21884 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
21885 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
21886 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
21887 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
21888 PRAGMA_OMP_THREADPRIVATE.
21889 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
21890 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
21891 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
21892 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
21893 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
21894 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
21895 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
21896 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
21897 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
21898 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
21899 * tree-ssa-dce.c (find_control_dependence): Do not assume that
21900 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
21901 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
21903 (struct nesting_info): Add field_map,
21904 suppress_expansion, debug_var_chain.
21905 (create_nesting_tree): Initialize them.
21906 (lookup_field_for_decl): Use field_map.
21907 (get_nonlocal_debug_decl, get_local_debug_decl): New.
21908 (convert_local_omp_clauses): New.
21909 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
21910 (walk_body): Split out of walk_function.
21911 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
21912 (convert_nonlocal_reference): Handle omp statements.
21913 (convert_local_reference): Likewise.
21914 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
21915 (unnest_nesting_tree): New.
21916 (lower_nested_functions): Call it.
21917 (insert_field_into_struct): Make extern.
21918 (struct walk_stmt_info): Move to tree-gimple.h.
21919 (walk_stmts): Make extern.
21920 * omp-builtins.def: New file.
21921 * tree-iterator.c (expr_only): Clarify comment.
21922 * c-common.h (pushdecl_top_level, pushdecl,
21923 build_modify_expr, build_indirect_ref,
21924 c_finish_omp_master, c_finish_omp_critical,
21925 c_finish_omp_ordered, c_finish_omp_barrier,
21926 c_finish_omp_atomic, c_finish_omp_flush,
21927 c_finish_omp_for, c_split_parallel_clauses,
21928 omp_clause_default_kind, c_omp_sharing_predetermined,
21929 c_omp_remap_decl): Declare.
21930 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
21931 (OBJS-common): Add omp-low.o.
21932 (c-omp.o, omp-low.o): Add.
21933 (gimplify.o): Add dependency on $(OPTABS_H).
21934 (GTFILES): Add omp-low.c.
21935 (gt-stringpool.h): Add.
21936 * tree-cfg.c (set_bb_for_stmt): Do not update the
21937 block-to-labels map if we are currently expanding to RTL.
21938 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
21940 Handle IDENTIFIER_NODE.
21941 (tree_verify_flow_info): Do not ICE when emitting error
21942 messages about invalid labels.
21943 (dump_function_to_file): Reset CFUN before emitting the body
21945 (debug_function): New.
21946 * passes.c (init_optimization_passes): Schedule
21948 * langhooks-def.h (lhd_omp_predetermined_sharing,
21949 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
21951 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
21952 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
21953 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
21954 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
21955 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
21956 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
21957 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
21958 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
21959 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
21960 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
21961 (LANG_HOOK_DECLS): Use them.
21963 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
21964 Richard Henderson <rth@redhat.com>
21965 Jakub Jelinek <jakub@redhat.com>
21966 Diego Novillo <dnovillo@redhat.com>
21968 * c-parser.c (pragma_omp_clause): Define.
21969 (c_parser_declaration_or_fndef): Document OpenMP syntax.
21970 (c_parser_compound_statement): Likewise.
21971 (c_parser_statement): Likewise.
21972 (c_parser_pragma): Handle omp pragmas.
21973 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
21974 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
21975 (c_parser_omp_clause_name, check_no_duplicate_clause,
21976 c_parser_omp_variable_list,
21977 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
21978 c_parser_omp_clause_copyprivate,
21979 c_parser_omp_clause_default,
21980 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
21981 c_parser_omp_clause_lastprivate,
21982 c_parser_omp_clause_nowait,
21983 c_parser_omp_clause_num_threads,
21984 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
21985 c_parser_omp_clause_reduction,
21986 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
21987 c_parser_omp_all_clauses, c_parser_omp_structured_block,
21988 c_parser_omp_atomic, c_parser_omp_barrier,
21989 c_parser_omp_critical, c_parser_omp_flush,
21990 c_parser_omp_for_loop, c_parser_omp_for,
21991 c_parser_omp_master, c_parser_omp_ordered,
21992 c_parser_omp_sections_scope, c_parser_omp_sections,
21993 c_parser_omp_parallel, c_parser_omp_single,
21994 c_parser_omp_construct, c_parser_omp_threadprivate): New.
21995 * c-pragma.c (init_pragma): Do omp pragma registration here.
21996 * c.opt (fopenmp): New flag.
21998 2006-01-18 Eric Christopher <echristo@apple.com>
22000 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
22001 * config/darwin.h (GOMP_SELF_SPECS): Define.
22003 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22005 * rtl.h: Remove the prototype for reg_alloc.
22007 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22010 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
22011 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
22012 sjlj and dwarf2 exception handling.
22013 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
22014 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
22015 * pa/pa.c (function_value): Treat complex and vector types as
22017 (function_arg): Likewise. Only pass scalar floats in the floating
22018 point argument registers.
22019 * pa/t-slibgcc-dwarf-ver: New file.
22020 * pa/t-slibgcc-sjlj-ver: New file.
22021 * pa/t-slibgcc-elf-ver: Delete file.
22023 2006-01-19 Alan Modra <amodra@bigpond.net.au>
22025 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
22026 unlikely_test_section_p test.
22028 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22030 * mode-switching.c (optimize_mode_switching): Make it static.
22031 * basic-block.h: Remove the prototype for
22032 optimize_mode_switching.
22034 * modulo-sched.c (sms_schedule): Make it static.
22035 * rtl.h: Remove the prototype for sms_schedule.
22037 * postreload-gcse.c (gcse_after_reload_main): Make it static.
22038 * rtl.h: Remove the prototype for gcse_after_reload_main.
22040 * reg-stack.c (reg_to_stack): Make it static.
22041 * rtl.h: Remove the prototype for reg_to_stack.
22043 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
22045 * rtl.h: Remove the prototypes for regrename_optimize and
22046 copyprop_hardreg_forward.
22048 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
22050 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
22051 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
22052 Test against the appropriate null constant for the mode.
22053 If 'fixup_overlap' is true, swap the operands if they overlap.
22054 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
22055 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
22056 alpha_split_tmode_pair and adjust for above change.
22057 * config/alpha/alpha.md (movtf_internal): Adjust call to
22058 alpha_split_tfmode_pair and rely on it to swap the operands.
22059 (movti_internal): New insn and post-reload splitter.
22060 (movti): New expander.
22062 2006-01-18 Philippe De Muyter <phdm@macqel.be>
22064 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
22067 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
22069 * rtlanal.c (global_reg_mentioned_p_1,
22070 global_reg_mentioned_p): Remove.
22071 * rtl.h: Remove the prototype for global_reg_mentioned_p.
22073 * flow.c (initialize_uninitialized_subregs): Make it static.
22074 * rtl.h: Remove the prototype for
22075 initialize_uninitialized_subregs.
22077 * function.c (instantiate_virtual_regs): Make it static.
22078 * function.h: Remove the prototype for
22079 instantiate_virtual_regs.
22081 * regmove.c (regmove_optimize, combine_stack_adjustments):
22083 * rtl.h: Remove the prototypes for regmove_optimize and
22084 combine_stack_adjustments.
22086 2006-01-17 Roger Sayle <roger@eyesopen.com>
22088 * config/i386/i386.c (COSTS_N_BYTES): New macro.
22089 (size_cost): Encode costs in bytes so that a reg-reg addition is
22090 equivalent to COSTS_N_INSNS(1).
22091 (override_options): Use the size_cost.branch_cost as the default
22092 ix86_branch_cost when optimizing for size.
22094 2006-01-18 Ben Elliston <bje@au.ibm.com>
22096 * Makefile.in (D32PBIT_FUNCS): New.
22097 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
22098 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
22099 D64PBIT_FUNCS and D128PBIT_FUNCS.
22100 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
22101 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
22103 (decnumber_dep): Define.
22104 * doc/libgcc.texi (Decimal float library routines): New node.
22105 * config/dfp-bit.h, config/dfp-bit.c: New files.
22107 2006-01-18 Ben Elliston <bje@au.ibm.com>
22109 * expr.c (emit_move_change_mode): Always adjust addresses, not
22110 just during reload. Copy replacements only during reload.
22111 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
22112 emit_move_via_integer.
22114 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
22116 * Makefile.in (check-%, check-consistency): Use $${srcdir}
22117 instead of $(srcdir) and ${srcdir}.
22119 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
22122 PR middle-end/11135
22123 * arm.h (struct machine_function): Add pic_reg.
22124 * arm.c (arm_pic_register): Make unsigned.
22125 (arm_override_options): Only set arm_pic_register if
22126 TARGET_SINGLE_PIC_BASE.
22127 (use_return_insn): Only test for a pic register if it is fixed.
22128 (arm_compute_save_reg0_reg12_mask): Likewise.
22129 (thumb_compute_save_reg_mask): Likewise.
22130 (legitimate_pic_operand): Factor out some known invariants.
22131 (legitimize_pic_address): If we don't have a fixed pic register,
22132 then set up a pseudo in the function entry sequence. Handle the
22133 pic base being in a pseudo.
22134 (arm_load_pic_register): Handle the pic register being in a pseudo.
22135 (arm_expand_prologue): Only set up the pic register if it is fixed.
22136 (thumb_expand_prologue): Likewise.
22137 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
22138 (pic_load_addr_based_insn): Likewise.
22139 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
22142 2006-01-18 Ben Elliston <bje@au.ibm.com>
22144 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
22145 decimal float modes for all floating point registers.
22147 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
22148 match_code "mem" with match_test "macho_lo_sum_memory_operand".
22150 2006-01-17 Jakub Jelinek <jakub@redhat.com>
22153 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
22154 even when the pointer is not NULL.
22156 2006-01-16 Ian Lance Taylor <ian@airs.com>
22158 * common.opt (ftoplevel-reorder): New option.
22159 * cgraph.c (cgraph_asm_nodes): New global variable.
22160 (cgraph_asm_last_node): New static variable.
22161 (cgraph_order): New global variable.
22162 (cgraph_create_node): Set new order field.
22163 (cgraph_varpool_node): Likewise.
22164 (decide_is_variable_needed): Return true if not
22165 flag_toplevel_reorder.
22166 (cgraph_add_asm_node): New function.
22167 * cgraph.h (struct cgraph_node): Add order field.
22168 (struct cgraph_varpool_node): Add order field.
22169 (struct cgraph_asm_node): Define.
22170 (cgraph_asm_nodes, cgraph_order): Declare.
22171 (cgraph_add_asm_node): Declare.
22172 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
22174 (cgraph_varpool_assemble_pending_decls): Call it.
22175 (cgraph_output_pending_asms): New static function.
22176 (cgraph_finalize_compilation_unit): Call it.
22177 (struct cgraph_order_sort): Define.
22178 (cgraph_output_in_order): New static function.
22179 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
22180 !flag_toplevel_reorder case.
22181 * c-parser.c: Include "cgraph.h".
22182 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
22184 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
22185 than -fno-unit-at-a-time.
22186 * doc/invoke.texi (Option Summary): Mention
22187 -fno-toplevel-reorder.
22188 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
22189 -funit-at-a-time documentation.
22191 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
22192 Kazu Hirata <kazu@codesourcery.com>
22194 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
22196 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
22198 * Makefile.in (FUNCTION_H): New. Use it instead of
22199 function.h throughout the file.
22200 * function.h: Include tree.h.
22202 2006-01-17 Ben Elliston <bje@au.ibm.com>
22204 * recog.c: Separate some functions with whitespace.
22206 2006-01-16 Richard Henderson <rth@redhat.com>
22208 Merge from gomp branch:
22209 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
22210 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
22211 and rename from struct inline_data. Rename callee* to dst*;
22212 caller* to src*; add copy_decl hook, transform_call_graph_edges,
22213 transform_new_cfg, transform_return_to_modify, and
22214 transform_lang_insert_block flags; remove cloning_p, versioning_p,
22216 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
22217 (copy_decl_for_dup): Remove.
22218 * tree-inline.c (struct inline_data): Move to header.
22219 (insert_decl_map): Export.
22220 (remap_decl): Update for member name changes. Use copy_decl hook.
22221 Allow for replacement to be a non-decl. Remove dead code.
22222 (remap_type_1): Check for existing mapping.
22223 (remap_type): Export.
22224 (remap_decls): Update for member name changes.
22225 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
22226 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
22227 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
22228 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
22229 (tree_function_versioning, build_duplicate_type): Likewise.
22230 (copy_body_r): Likewise. Export.
22231 (copy_decl_for_dup): Split into ...
22232 (copy_decl_for_dup_finish, copy_decl_to_var,
22233 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
22234 (replace_ref_tree, inlining_p): Remove.
22236 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22238 * ifcvt.c (if_convert): Make it static.
22239 * rtl.h: Remove the prototype for if_convert.
22241 * local-alloc.c (local_alloc): Make it static.
22242 * rtl.h: Remove the prototype for local_alloc.
22244 * loop.c (loop_optimize): Make it static.
22245 * cfgloop.h: Remove the prototype for loop_optimize.
22248 2006-01-16 DJ Delorie <dj@redhat.com>
22250 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
22253 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22255 * pa.md: Disparage copies between general and floating-point registers
22256 in 32-bit move patterns.
22258 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
22261 * Makefile.in (check-%): Depend on site.exp instead of
22262 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
22265 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22267 * global.c (global_alloc): Make it static.
22268 * rtl.h: Remove the prototype for global_alloc.
22270 2006-01-16 Richard Guenther <rguenther@suse.de>
22272 * tree-ssa-alias.c (struct used_part): Add write_only field.
22273 (get_or_create_used_part_for): Initialize it to true.
22274 (create_overlap_variables_for): Don't create structure variables
22275 for structures that only are written to.
22276 (find_used_portions): Handle MODIFY_EXPR to track whether a
22277 structure is only written to.
22279 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22281 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
22283 * basic-block.h: Remove the prototype for
22284 partition_hot_cold_basic_blocks.
22286 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
22288 * cppspec.c (lang_specific_spec_functions): Remove.
22289 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
22290 * gcc.h (lang_specific_spec_functions): Remove.
22291 * gccspec.c (lang_specific_spec_functions): Remove.
22293 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
22295 * combine.c (record_value_for_reg): Invalidate registers
22297 (record_dead_and_set_regs_1): Likewise, by passing them to
22298 record_value_for_reg.
22299 (record_dead_and_set_regs): Invalidate stores made by a
22300 call. We do not combine across a call, but we still
22301 relied on equivalences.
22303 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22305 * tree-vrp.c (extract_range_from_binary_expr): Cope with
22306 vrp_int_const_binop returning non-constant nodes.
22308 2006-01-16 Paul Brook <paul@codesourcery.com>
22310 * config/m68k/m68k.c (output_move_const_into_data_reg):
22311 Output correct mnemonic for mvz and mvs.
22313 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
22315 * rtl-factoring.c: Add sequence abstraction algorithm.
22316 * cfgcleanup.c (outgoing_edges_match): Extra checks.
22317 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
22319 (block_has_preserve_label): New function.
22320 * common.opt: Register new pass.
22321 * Makefile.in: Ditto.
22323 * timevar.def: Ditto.
22324 * tree-pass.h: Ditto.
22325 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
22326 * rtl.h (make_jump_insn_raw): Add forward decl.
22327 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
22329 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
22330 Roger Sayle <roger@eyesopen.com>
22332 * fold-const.c (fold_minmax): New static function.
22333 (fold_binary) <MIN_EXPR>: Call it.
22334 <MAX_EXPR>: Likewise.
22335 * stor-layout.c (place_field): Use DECL_SIZE consistently
22336 in the computation of the new record size.
22338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
22340 * cse.c (cse_condition_code_reg): Make it static.
22341 * rtl.h: Remove the prototype for cse_condition_code_reg.
22343 * combine.c (combine_instructions): Make it static.
22344 * rtl.h: Remove the prototype for combine_instructions.
22346 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22349 * tree.c (get_file_function_name_long): Concatenate the first global
22350 object name with a string derived from the input filename of the object
22353 2006-01-16 Ben Elliston <bje@au.ibm.com>
22355 * config/i386/winnt-stubs.c: Update FSF address.
22356 * config/xtensa/ieee754-df.S: Ditto.
22357 * config/xtensa/ieee754-sf.S: Ditto.
22359 2006-01-14 Ian Lance Taylor <ian@airs.com>
22361 * ifcvt.c (noce_init_if_info): New static function, broken out of
22362 noce_process_if_block.
22363 (noce_process_if_block): Call noce_init_if_info.
22364 (check_cond_move_block): New static function.
22365 (cond_move_process_if_block): New static function.
22366 (process_if_block): Call cond_move_process_if_block.
22368 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
22370 * cselib.c (hash_table): Rename to cselib_hash_table.
22371 (cselib_clear_table, discard_useless_values,
22372 remove_useless_values, cselib_lookup_mem, cselib_lookup,
22373 cselib_init, cselib_finish): Adjust uses of hash_table.
22375 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
22377 PR tree-optimization/25485
22378 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
22379 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
22380 is known to be false and true, respectively.
22382 2006-01-14 Richard Guenther <rguenther@suse.de>
22384 PR tree-optimization/22548
22385 PR tree-optimization/22555
22386 PR tree-optimization/22501
22387 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
22388 * params.def (salias-max-array-elements): New parameter.
22389 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
22390 * doc/invoke.texi (salias-max-array-elements): Document.
22391 * tree-flow-inline.h (var_can_have_subvars): We also handle
22393 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
22395 * tree-ssa-structalias.c (params.h): Include.
22396 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
22397 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
22398 (get_constraint_for): For ADDR_EXPR operating on something
22399 containing an ARRAY_REF, add all subvars to the solution.
22400 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
22401 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
22402 for creating MUST_DEFs.
22403 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
22405 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
22407 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
22409 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
22410 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
22411 number_of_iterations_le): New functions.
22412 (number_of_iterations_special): Removed.
22413 (number_of_iterations_exit): Do not use number_of_iterations_special.
22414 * tree.c (unsigned_type_for): Always return integer type.
22416 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
22417 Richard Guenther <rguenther@suse.de>
22419 PR rtl-optimization/24257
22420 * gcse.c (find_moveable_store): Only consider a store movable
22421 when the SET_SRC of the insn can be assigned to a register.
22423 2006-01-14 Ian Lance Taylor <ian@airs.com>
22425 * tree.c (tree_not_class_check_failed): New function.
22426 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
22427 (tree_not_class_check_failed): Declare.
22429 2006-01-13 Ian Lance Taylor <ian@airs.com>
22431 * reload1.c (do_output_reload): Add assertion rejecting a
22434 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
22436 * combine.c (struct reg_stat): Add new fields truncation_label and
22438 (record_value_for_reg): Reset truncated_to_mode.
22439 (record_truncated_value): New function.
22440 (check_promoted_subreg): Call it. Rename to check_conversions.
22441 (combine_instructions): Rename check_promoted_subreg to
22443 (reg_truncated_to_mode): New function.
22444 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
22445 (gen_lowpart_or_truncate): New function.
22446 (force_to_mode): Use it instead of gen_lowpart.
22448 2006-01-13 Diego Novillo <dnovillo@redhat.com>
22450 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
22451 VAR is a tag, not its type tag.
22453 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
22455 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
22456 alternatives to match style of other entries.
22457 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
22459 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
22461 PR tree-optimization/25771
22462 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
22465 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
22468 * tree-inline.c (declare_return_variable): If the return variable
22469 was marked as a non gimple complex, set the return slot variable
22470 to be a non gimple comple variable.
22472 2006-01-13 Richard Guenther <rguenther@suse.de>
22474 * builtins.c (expand_builtin_sincos): New function.
22475 (expand_builtin_mathfn_3): Remove dead code, sin and cos
22477 (expand_builtin): Expand sincos using expand_builtin_sincos.
22479 2006-01-12 DJ Delorie <dj@redhat.com>
22481 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
22482 shift counts, separate SI shifts for m32c vs m16c, pass shift type
22483 so that constant shifts can be split.
22484 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
22485 (m32c_valid_pointer_mode): Make static.
22486 (shift_gen_func_for): New.
22487 (m32c_prepare_shift): Use it. Split large const shifts into
22489 * config/m32c/predicates.md (shiftcount_operand): Allow more
22491 (longshiftcount_operand): New.
22492 * doc/md.texi (Machine Constraints): Document In6.
22494 2006-01-13 Ben Elliston <bje@au.ibm.com>
22496 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
22497 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
22500 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
22502 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
22503 to try to avoid clobbering pieces of structures when we know
22504 something about the whole structure.
22505 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
22507 2006-01-13 Ben Elliston <bje@au.ibm.com>
22509 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
22510 return in memory, as this is no limitation is no longer present.
22512 2006-01-12 DJ Delorie <dj@redhat.com>
22514 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
22515 mova with fb, and for fb+0 -> An.
22517 * config/m32c/mov.md (peephole2): Fix enabling logic.
22519 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
22520 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
22521 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
22522 FINI_ARRAY_SECTION_ASM_OP): Define.
22524 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
22526 (m32c_legitimize_reload_address): New logic to reload FB to An.
22527 (m32c_output_reg_push): Add newline.
22528 (m32c_output_reg_pop): Likewise.
22530 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
22532 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
22534 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
22536 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
22538 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22540 * config/sh/predicates.md (sh_rep_vec): Add parallel to
22543 2006-01-11 Ben Elliston <bje@au.ibm.com>
22545 * rtlanal.c (find_reg_note): Assert insn is not null.
22547 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22549 * df-scan.c (df_hard_reg_init): Move declaration of i outside
22552 2006-01-11 Jeff Law <law@redhat.com>
22554 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
22556 (mark_threaded_blocks, register_jump_thread): New functions.
22557 (thread_through_all_blocks): Remove unwanted argument. No
22558 longer rely on e->aux to communicate thread target info.
22559 Call mark_threaded_blocks. Release the threaded_blocks
22560 bitmap and threaded_edges vector when complete.
22561 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
22562 (threaded_blocks): Remove.
22563 (tree_ssa_dominator_optimize): Remove initialization and
22564 finalization of threaded_blocks. Simplify call to
22565 thread_through_all_blocks.
22566 (thread_across_edge): Call register_jump_thread rather than
22567 storing thread information into e->aux.
22568 (free_all_edge_infos): Simplify now that e->aux is no longer
22569 used to communicate with thread_through_all_blocks.
22570 * tree-flow.h (thread_through_all_blocks): Update prototype.
22571 (register_jump_thread): Prototype.
22573 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22575 * df-core.c (df_compact_blocks, df_bb_replace): Use
22576 SET_BASIC_BLOCK instead of BASIC_BLOCK.
22578 2006-01-11 Richard Guenther <rguenther@suse.de>
22580 PR tree-optimization/25734
22581 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
22582 stop propagation after successful propagation to the LHS.
22584 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
22586 * basic-block.h (control_flow_graph): Change the type of
22587 x_basic_block_info to VEC(basic_block,gc) *.
22588 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
22590 (SET_BASIC_BLOCK): New.
22591 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
22592 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
22593 * cfgbuild.c (find_basic_blocks): Likewise.
22594 * cfglayout.c (fixup_reorder_chain): Likewise.
22595 * cfgrtl.c (create_basic_block_structure,
22596 rtl_create_basic_block): Likewise.
22597 * ifcvt.c (find_if_case_1): Likewise.
22598 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
22601 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
22603 * Makefile.in: Removed rotted odf.c entry.
22605 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
22608 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
22609 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
22610 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
22611 output pattern modifier, not %e.
22612 * config/cris/cris.c (cris_op_str): Update comment about pattern
22614 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
22615 before falling through into...
22616 <case 'E'>: Redefined from old 'e' case.
22618 2006-01-11 Jan Hubicka <jh@suse.cz>
22621 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
22623 2006-01-11 Jan Hubicka <jh@suse.cz>
22625 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
22626 * i386.c (x86_decompose_lea): Kill.
22627 (ix86_rtx_costs): Kill.
22629 2006-01-11 Jan Hubicka <jh@suse.cz>
22631 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
22632 * cgraph.h (cgraph_node): Add inline_decl.
22633 (cgraph_insert_node_to_hashtable): Declare.
22634 (save_inline_function_body): Declare.
22635 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
22637 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
22638 (cgraph_function_versioning): Update call of tree_function_versioning.
22639 (save_inline_function_body): New function.
22640 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
22641 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
22642 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
22643 (cgraph_default_inline_p): Likewise.
22644 (cgraph_decide_inlining_incrementally): Likewise.
22645 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
22646 (copy_bb): Kill saving; do updating of clones.
22647 (copy_cfg_body): Kill saving.
22648 (initialize_inlined-parameters): Likewise.
22649 (expand_call_inline): Likewise.
22651 (tree_function_versioning): New parameter "update_clones".
22652 (inlining_p): Kill saving.
22653 * tree-inline.h (tree_function_versioning): Update prototype.
22654 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
22657 2006-01-11 Ian Lance Taylor <ian@airs.com>
22659 * combine.c (struct undo): Remove is_int. Enumify types of undos.
22660 Allow undoing set of machine mode.
22661 (do_SUBST): Use enums instead of is_int.
22662 (do_SUBST_MODE): New function.
22663 (SUBST_MODE): New macro.
22664 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
22665 reg and trying to replace reg_regno_rtx with a new register.
22666 (undo_all): Use new enums, handle undoing a PUT_MODE change.
22667 (simplify_set): Use SUBST_MODE.
22668 (distribute_notes): Remove code that tried to update reg notes
22669 for regno_reg_rtx changes.
22671 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
22673 PR tree-optimization/23109
22674 PR tree-optimization/23948
22675 PR tree-optimization/24123
22677 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
22678 * tree-cfg.c (single_noncomplex_succ): New.
22679 * tree-flow.h (single_noncomplex_succ): Declare it.
22680 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22681 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
22682 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
22683 insert_bb, register_division_in, insert_reciprocals,
22684 replace_reciprocal, free_bb): New.
22685 (execute_cse_reciprocals_1): Rewritten.
22686 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
22687 Do not commit any edge insertion. Always compute dominators and
22688 create the allocation pool.
22689 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
22690 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
22691 * targhooks.c (default_min_divistions_for_recip_mul): New.
22692 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
22693 * passes.c (init_optimization_passes): Run recip after tree loop
22695 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
22697 2006-01-11 Danny Berlin <dberlin@dberlin.org>
22698 Kenneth Zadeck <zadeck@naturalbridge.com>
22700 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
22701 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
22702 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
22703 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
22704 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
22705 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
22706 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
22707 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
22708 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
22709 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
22710 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
22711 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
22712 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
22713 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
22714 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
22715 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
22716 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
22717 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
22718 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
22719 DF_SCAN_POST_ALLOC): New macros.
22720 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
22721 df_free_bb_function, df_local_compute_function, df_init_function,
22722 df_dataflow_function, df_confluence_function_0,
22723 df_confluence_function_n, df_transfer_function,
22724 df_finalizer_function, df_free_function, df_dump_problem_function,
22725 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
22726 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
22727 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
22728 df_urec_bb_info, ) New types.
22729 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
22731 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
22732 df_analyze_simple_change_some_blocks,
22733 df_analyze_simple_change_one_block, df_compact_blocks,
22734 df_bb_replace, df_bb_regno_last_use_find,
22735 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
22736 df_insn_regno_def_p, df_find_def, df_find_use,
22737 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
22738 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
22739 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
22740 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
22741 debug_df_chain, df_get_dependent_problem, df_chain_create,
22742 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
22743 df_grow_bb_info, df_chain_dump, df_print_bb_index,
22744 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
22745 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
22746 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
22747 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
22748 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
22749 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
22750 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
22751 df_ref_remove, df_insn_refs_delete, df_refs_delete,
22752 df_reorganize_refs, df_set_state, df_hard_reg_init,
22753 df_read_modify_subreg_p) New public functions.
22754 * df-core.c: The core dataflow solver and glue routines for rtl
22756 (df_init, df_add_problem, df_set_blocks, df_finish,
22757 df_hybrid_search_forward, df_hybrid_search_backward,
22758 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
22759 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
22760 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
22761 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
22762 df_reg_defined, df_find_use, df_reg_used, df_dump,
22763 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
22764 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
22765 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
22766 debug_df_useno, reset_df_after_reload): New functions.
22767 * df-scan.c: The scanning fuctions, once in df.c, completely
22768 rewritten so that they now fully model the functionality of
22769 register usage at the backend.
22770 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
22771 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
22772 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
22773 df_grow_insn_info, df_rescan_blocks, df_ref_create,
22774 df_get_artificial_defs, df_get_artificial_uses,
22775 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
22776 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
22777 df_refs_delete, df_reorganize_refs, df_set_state,
22778 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
22779 df_def_record_1, df_defs_record, df_uses_record,
22780 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
22781 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
22782 df_record_exit_block_uses, df_hard_reg_init): New functions.
22784 * df-problems.c: Seven concrete dataflow problems that use the
22785 scanning in df-scan.c and are solved by the engine in df-core.c.
22786 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
22787 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
22788 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
22789 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
22790 df_ru_free_bb_info, df_ru_alloc,
22791 df_ru_bb_local_compute_process_def,
22792 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
22793 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
22794 df_ru_transfer_function, df_ru_free, df_ru_dump,
22795 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
22796 df_rd_free_bb_info, df_rd_alloc,
22797 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
22798 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
22799 df_rd_transfer_function, df_rd_free, df_rd_dump,
22800 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
22801 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
22802 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
22803 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
22804 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
22805 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
22806 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
22807 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
22808 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
22809 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
22810 df_urec_mark_reg_change, df_urec_check_earlyclobber,
22811 df_urec_mark_reg_use_for_earlyclobber,
22812 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
22813 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
22814 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
22815 df_urec_dump, df_urec_add_problem, df_chain_alloc,
22816 df_chain_create_bb_process_use, df_chain_create_bb,
22817 df_chain_finalize, df_chain_free, df_chains_dump,
22818 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
22819 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
22820 df_reg_lifetime): New functions.
22821 * df.c: Deleted file.
22822 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
22823 consistent with new df api.
22824 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
22825 rest_of_handle_sms): Ditto.
22826 * web.c (unionfind_union, union_defs, entry_register, web_main):
22828 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
22829 invariant_expr_equal_p, find_defs, check_dependencies,
22830 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
22831 free_inv_motion_data, move_loop_invariants): Ditto.
22832 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
22833 Update dependencies.
22834 (odf.c): Added defective entry that was deleted later in day.
22835 * sched-deps.c (sched_analyze_1): Ditto.
22837 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
22839 * tree-ssa-operands.c (get_expr_operands): Record addressable
22840 variables directly. Do not call add_stmt_operands for CONST_DECLs
22842 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
22843 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
22845 2006-01-11 Ben Elliston <bje@au.ibm.com>
22847 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
22848 function returns true in the positive case.
22850 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
22853 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
22854 for SI, DI, SF and DF modes. Add alternatives to copy between
22855 general and floating point registers to the 32-bit patterns.
22856 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
22857 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
22858 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
22859 generating 64-bit code.
22860 * config/pa/pa.c (output_move_double): Handle copies between general
22861 and floating registers.
22863 2006-01-10 Stuart Hastings <stuart@apple.com>
22865 * config/i386/i386.md (set_got): Update.
22866 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
22867 (builtin_setjmp_receiver): Mach-O support.
22868 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
22869 (GOT_SYMBOL_NAME): Define.
22870 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
22871 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
22872 * config/i386/i386.c (override_options): Revise for Darwin.
22873 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
22874 support. (darwin_x86_file_end): New. (output_set_got): Add label
22875 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
22876 * config/i386/i386-protos.h (output_set_got): Likewise.
22877 * config/darwin.c (machopic_legitimize_pic_address): Update
22880 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
22882 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
22883 when MODE isn't BLKmode.
22885 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
22887 PR rtl-optimization/25367
22888 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
22890 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
22893 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
22894 for a negative bound.
22896 2006-01-10 Richard Guenther <rguenther@suse.de>
22898 * tree-ssa-structalias.c (get_constraint_for_component_ref):
22899 Never override with anything constraint.
22901 2006-01-10 Jan Beulich <jbeulich@novell.com>
22903 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
22904 256 bits when optimize_size.
22906 2006-01-10 Jan Beulich <jbeulich@novell.com>
22908 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
22910 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
22911 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
22914 2006-01-10 Ben Elliston <bje@au.ibm.com>
22916 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
22918 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
22919 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
22920 (USE_FP_FOR_ARG): Reject decimal float modes.
22921 (function_arg_advance): Likewise.
22922 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
22923 (rs6000_handle_altivec_attribute): Do not permit decimal floating
22924 point types in AltiVec vectors.
22925 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
22926 (rs6000_libcall_value): Likewise.
22928 2006-01-09 Bob Wilson <bob.wilson@acm.org>
22930 * config/xtensa/ieee754-df.S: New file.
22931 * config/xtensa/ieee754-sf.S: New file.
22932 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
22933 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
22934 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
22936 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
22938 * config/sh/predicates.md (binary_float_operator,
22939 binary_logical_operator, commutative_float_operator,
22940 equality_comparison_operator, greater_comparison_operator,
22941 less_comparison_operator, logical_operator,
22942 noncommutative_float_operator, shift_operator,
22943 symbol_ref_operand, unary_float_operator): Remove redundant
22946 2006-01-09 Jeff Law <law@redhat.com>
22948 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
22949 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
22950 now unused arguments. Callers updated.
22951 (eliminate_redundant_computations): Remove now unused arguments,
22953 (local_fold): Remove, no longer used.
22954 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
22956 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
22957 (simplify_cond): New function.
22958 (forward_propagate_into_cond): Call simplify_cond.
22960 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
22962 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
22963 (*vec_extractv2di_1_sse): New.
22965 2006-01-09 Ben Elliston <bje@au.ibm.com>
22967 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
22969 2006-01-08 Richard Guenther <rguenther@suse.de>
22971 * tree-ssa-structalias.c (get_constraint_for): Remove
22972 anyoffset argument.
22973 (get_constraint_for_component_ref): Likewise.
22974 (do_deref): Likewise.
22975 (get_constraint_for): Likewise.
22976 (do_structure_copy): Likewise.
22977 (handle_ptr_arith): Likewise.
22978 (find_func_aliases): Likewise. Remove unused need_anyoffset
22981 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
22982 Kaz Kojima <kkojima@gcc.gnu.org>
22984 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
22985 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
22986 (EXTRA_CONSTRAINT_C16): Remove.
22987 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
22988 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
22989 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
22990 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
22991 constants of SHmedia. Handle nested constant expressions of
22993 (andcosts): Fix the costs for SHmedia constants.
22994 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
22995 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
22996 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
22997 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
22998 (movv4hi_i, movv2si_i): Likewise.
22999 (movsi_const): Adjust the second operand of ior so to match with
23000 the Csu constraint.
23001 (movdi_const, movdi_const_32bit): Likewise.
23002 (movdi_const_16bit+1): Don't sign-extend LOW.
23003 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
23005 (*double_shori): Fix the split condition. Use GEN_INT instead
23006 of get_int_mode calls. Mask lower 16-bit of the argument of
23008 (sym2GOTPLT): Remove.
23009 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
23011 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
23012 instead of EXTRA_CONSTRAINT_C16.
23014 2006-01-07 Ian Lance Taylor <ian@airs.com>
23015 David Edelsohn <edelsohn@gnu.org>
23017 PR rtl-optimization/25662
23018 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
23019 for constant operands instead of simplify_gen_binary.
23020 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
23021 after trying simplify_binary_operation
23023 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
23025 * tree.c (iterative_hash_expr): Hash decls based on UID.
23027 2006-01-06 Eric Christopher <echristo@apple.com>
23029 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
23030 (TARGET_UNWIND_EMIT): Fix spelling.
23031 * target.h (gcc_target): Add except_table_label.
23032 * except.c (output_function_exception_table): Use.
23033 * varasm.c (default_emit_except_table_label): New.
23034 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
23036 (asm_out): Add here.
23037 * output.h (default_emit_except_table_label): Prototype.
23038 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
23039 * config/darwin.c (darwin_emit_except_table_label): Define.
23040 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
23042 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
23044 PR tree-optimization/18527
23045 * tree-ssa-loop-niter.c (number_of_iterations_cond,
23046 number_of_iterations_special, number_of_iterations_exit):
23047 Move base and step of an iv to a single structure. Add
23048 no_overflow flag, and use it in # of iterations analysis.
23049 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
23050 folded_casts argument.
23051 (simple_iv): Pass base and step in a structure. Set no_overflow
23053 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
23054 Evaluate expensiveness of computing # of iterations instead of
23055 the final expression.
23056 * tree-scalar-evolution.h (affine_iv): New structure.
23057 (simple_iv): Declaration changed.
23058 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
23059 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
23060 find_givs_in_stmt): Changed due to simple_iv change.
23062 2006-01-06 Jeff Law <law@redhat.com>
23065 * tree-cfg.c (bsi_replace): Rename final argument from
23066 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
23067 change (stmt -> orig_stmt).
23068 * tree-eh.c (verify_eh_throw_stmt_node): New function.
23069 (bsi_remove): Add new argument. Remove EH information
23071 (verify_eh_throw_table_statements): New function.
23072 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
23074 * tree-optimize.c (execute_free_cfg_annotations): Verify
23075 the EH throw statement table after removing annotations.
23076 * except.h (verify_eh_throw_table_statements): Prototype.
23077 * tree-flow.h (bsi_remove): Update prototype.
23078 * tree-vrp.c (remove_range_assertions): Add new argument to
23080 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
23081 * tree-complex.c (expand_complex_div_wide): Likewise.
23082 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
23083 * tree-tailcall.c (eliminate_tailcall): Likewise.
23084 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
23085 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
23086 * tree-nrv.c (tree_nrv): Likewise.
23087 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
23088 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
23089 (combine_blocks): Likewise.
23090 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
23091 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
23092 (cleanup_control_flow): Likewise.
23093 (remove_forwarder_block): Likewise.
23094 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
23095 * tree-sra.c (sra_replace): Likewise.
23096 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
23097 (forward_propagate_single_use_vars): Likewise.
23098 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
23099 * tree-inline.c (expand_call_inline): Likewise.
23100 * tree-vect-transform.c (vect_transform_loop): Likewise.
23101 * tree-outof-ssa.c (rewrite_trees): Likewise.
23102 * tree-cfg.c (make_goto_expr_edges): Likewise.
23103 (cleanup_dead_labels): Likewise.
23104 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
23105 (bsi_move_before, bsi_move_after): Likewise.
23106 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
23107 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
23109 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
23112 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
23114 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
23115 on non gimple variables. Also add checks at the top for decls and
23117 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
23119 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
23120 and IMAGPART_EXPR for creating MUST_DEFs.
23121 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
23122 and NAME_MEMORY_TAG separately from the DECLs.
23124 2006-01-06 Richard Guenther <rguenther@suse.de>
23126 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
23127 annotation, if necessary.
23128 * tree-ssa-pre.c (create_expression_by_pieces): Remove
23129 redundant calls to update_stmt.
23130 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
23133 2006-01-05 Richard Henderson <rth@redhat.com>
23135 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
23137 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23139 * c-typeck.c: Update copyright date.
23141 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
23143 * c-typeck.c (build_c_cast): Always warn when casting
23144 from a pointer to an integer of different size, even if
23145 the node was constant.
23147 2006-01-05 Richard Guenther <rguenther@suse.de>
23149 PR tree-optimization/22555
23150 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
23151 if one structure field is an array.
23152 * tree-ssa-operands.c (get_expr_operands): Continue scanning
23153 operands even if we found a subvar, but ignore VOPs in this
23155 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
23157 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
23159 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
23161 PR middle-end/24998
23162 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
23164 2006-01-05 Richard Guenther <rguenther@suse.de>
23165 Diego Novillo <dnovillo@redhat.com>
23167 * tree-pass.h (TODO_remove_unused_locals): Define.
23168 * gimple-low.c (expand_var_p, remove_useless_vars,
23169 pass_remove_useless_vars): Remove. Update all users.
23170 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
23171 (remove_unused_locals): New function.
23172 * tree-flow.h (remove_unused_locals): Declare.
23173 * passes.c (execute_todo): Call remove_unused_locals if
23174 TODO_remove_unused_locals is set.
23175 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
23176 * tree-ssa-dce.c (pass_dce): Likewise.
23177 * tree-outof-ssa.c (pass_del_ssa): Likewise.
23179 2006-01-05 Richard Guenther <rguenther@suse.de>
23181 * tree-flow.h (struct fieldoff): Decompose field to
23182 type, size and decl.
23183 * tree-ssa-alias.c (create_sft): Take type as parameter.
23184 (create_overlap_variables_for): Store type, size and decl
23185 in the fieldoff structure.
23186 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
23187 of struct fieldoff.
23188 (push_fields_onto_fieldstack): Likewise.
23189 (create_variable_info_for): Likewise. Use offset for the
23190 SFT name if the decl is not available.
23192 2006-01-04 Paul Brook <paul@codesourcery.com>
23194 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
23196 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
23198 * lambda-code.c (can_put_in_inner_loop): Relax
23200 (can_put_after_inner_loop): New function.
23201 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
23202 (perfect_nestify): Change to make copies and modify uses.
23204 2006-01-04 Richard Henderson <rth@redhat.com>
23206 Merge from gomp branch:
23207 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
23208 via integer constant.
23209 (pragma_lex): Remove.
23210 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
23211 rather than parsing it.
23212 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
23213 handle_pragma_extern_prefix): Add %< %> quotes.
23214 (registered_pragmas): New.
23215 (c_register_pragma_1): New.
23216 (c_register_pragma): Use it.
23217 (c_register_pragma_with_expansion): Likewise.
23218 (c_invoke_pragma_handler): New.
23219 (init_pragma): Use cpp_register_deferred_pragma directly for
23221 * c-pragma.h (enum pragma_kind): New.
23222 (pragma_handler): New.
23223 (c_invoke_pragma_handler): Declare.
23224 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
23226 * c-common.h (c_common_pch_pragma): Update decl.
23227 * Makefile.in (c-parser.o): Update dependencies.
23228 (GTFILES): Add c-pragma.h.
23229 * c-parser.c (struct c_token): Add pragma_kind.
23230 (struct c_parser): Add in_pragma.
23231 (c_lex_one_token): Always initialize keyword and pragma_kind.
23232 Extract data for CPP_PRAGMA.
23233 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
23234 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
23235 Don't allow CPP_PRAGMA_EOL if in_pragma.
23236 (c_parser_consume_pragma): New.
23237 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
23238 (c_parser_skip_to_end_of_parameter): Likewise.
23239 (c_parser_skip_to_end_of_block_or_statement): Likewise.
23240 (c_parser_skip_to_pragma_eol): New.
23241 (c_parser_external_declaration): Handle CPP_PRAGMA.
23242 (c_parser_compound_statement_nostart): Likewise.
23243 (c_parser_statement_after_labels): Likewise.
23244 (c_parser_pragma): New.
23245 (pragma_lex): Likewise.
23246 (c_parser_pragma_pch_preprocess): New.
23247 (c_parser_new): Merge into ...
23248 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
23250 2006-01-04 Jeff Law <law@redhat.com>
23253 * tree-cfg.c (bsi_replace): Remove the original statement
23254 from the EH throw statement table.
23256 2006-01-04 Jakub Jelinek <jakub@redhat.com>
23258 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
23259 make the prototype extern "C" and add throw ().
23262 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
23263 and pos non-negative and pos + len <= 32.
23264 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
23265 drop pos + len < HOST_BITS_PER_WIDE_INT test.
23266 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
23269 * c-common.c (handle_vector_size_attribute): Reject zero vector size
23270 as well as sizes not multiple of component size.
23273 * function.c (instantiate_expr): New function.
23274 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
23275 walk its DECL_VALUE_EXPR with instantiate_expr.
23277 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
23278 DW_OP_deref{,_size} if address isn't going to be added.
23280 2006-01-04 Ben Elliston <bje@au.ibm.com>
23282 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
23283 * config/fp-bit.c: Likewise.
23285 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
23287 * dominance.c: Add comment about why we use DFS numbering
23290 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23291 Richard Henderson <rth@redhat.com>
23293 Merge from gomp-branch:
23294 * varasm.c (assemble_variable): Handle thread-local COMMON data.
23295 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
23297 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
23299 PR rtl-optimization/25578
23300 * combine.c (combine_simplify_rtx, force_to_mode): Don't
23301 pass a parameter to simplify_shift_const if changing ASHIFTRT
23304 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
23306 * builtins.c (get_builtin_sync_mem): New function.
23307 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
23308 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
23309 Call get_builtin_sync_mem to generate mem rtx.
23311 2006-01-03 Richard Guenther <rguenther@suse.de>
23314 * stmt.c (add_case_node): Make sure to clear overflow flags
23317 2006-01-03 Jakub Jelinek <jakub@redhat.com>
23319 Merge from gomp-branch.
23320 * config/sparc/sync.md: New file.
23321 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
23322 UNSPECV_LDSTUB): New constants.
23323 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
23324 * config/sparc/predicates.md (memory_reg_operand): New predicate.
23325 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
23328 2006-01-03 Roger Sayle <roger@eyesopen.com>
23330 * combine.c (reg_subword_p): New predicate to test whether the
23331 destination of a set refers to a subword/piece of a register.
23332 (try_combine): Generalize the code to merge the setting of a
23333 pseudo to a constant followed by a set of a subword of that
23334 register to a constant.
23336 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
23338 * basic-block.h (control_flow_graph): Change the type of
23339 x_label_to_block_map to VEC(basic_block,gc) *.
23340 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
23341 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
23343 * tree-ssa-propagate.c (cfg_blocks): Change the type to
23344 VEC(basic_block,heap) *.
23345 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
23346 ssa_prop_fini): Adjust the uses of cfg_blocks.
23348 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
23350 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
23352 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
23353 hashing trees instead of a pointer hash.
23354 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
23355 compare for MEM_EXPR.
23357 PR rtl-optimization/25130
23358 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
23359 when comparing MEMs for GCSE
23361 2006-01-03 Ben Elliston <bje@au.ibm.com>
23363 * targhooks.h (default_decimal_float_supported_p): Declare.
23364 * targhooks.c (default_decimal_float_supported_p): Define.
23365 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
23366 `default_decimal_float_supported_p'.
23367 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
23369 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
23371 * combine.c (apply_distributive_law <SUBREG>): Check
23372 TRULY_NOOP_TRUNCATION.
23374 2006-01-02 Geoffrey Keating <geoffk@apple.com>
23376 * dwarf2out.c (have_switched_text_section): Delete.
23377 (have_multiple_function_sections): New.
23378 (have_location_lists): Make 'bool'.
23379 (add_AT_loc_list): Use 'true' not '1'.
23380 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
23381 (output_loc_list): Use have_multiple_function_sections.
23382 (output_ranges): Likewise.
23383 (dwarf2out_begin_function): Set have_multiple_function_sections if
23385 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
23386 Check function_section rather than DECL_SECTION_NAME.
23387 (dwarf2out_finish): Use have_multiple_function_sections.
23388 Don't clear have_location_lists.
23390 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
23391 Jan Hubicka <jh@suse.cz>
23393 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
23394 case of conditional jump jumping to the next instruction.
23395 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
23396 cases of conditional jump jumping to the next instruction.
23398 2006-01-02 Jan Hubicka <jh@suse.cz>
23400 * i386.c (*_cost): Add COSTS_N_INSNS.
23401 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
23403 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
23406 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
23408 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
23410 * config/arm/arm.c (all_fpus): Fix comment typo.
23411 * config/darwin.c: Likewise.
23412 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
23413 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
23414 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
23416 2006-01-01 David Edelsohn <edelsohn@gnu.org>
23418 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
23419 (rs6000_split_compare_and_swapqhi): New.
23420 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
23421 (sync_compare_and_swapqhi_internal): New.
23422 * config/rs6000/rs6000-protos.h: Declare.