1 2006-05-27 Dirk Mueller <dmueller@suse.de>
3 * cgraphunit.c (decide_is_function_needed): Fix wrong
6 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8 PR rtl-optimization/27661
9 * reload.c (find_reloads): When reloading a VOIDmode constant
10 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
11 use Pmode as mode of the reload register.
13 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
15 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
16 is enabled at -O and above.
18 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
21 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
24 2006-05-25 Mark Mitchell <mark@codesourcery.com>
27 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
28 for anonymous variables explicitly declared by front ends.
30 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
32 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
33 (struct alias_info): Add new field ref_all_symbol_mem_tag.
34 * tree-ssa-alias.c (compute_may_aliases): If the program contains
35 ref-all pointers, run a finalization pass for them.
36 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
37 (finalize_ref_all_pointers): New function.
38 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
39 regular pointer type to a ref-all pointer type.
40 (get_tmt_for): Return the special memory tag for ref-all pointers.
42 2006-05-25 Richard Guenther <rguenther@suse.de>
45 * fold-const.c (fold_binary): Do not look at the stripped
46 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
48 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
50 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
51 for LT and GT if the computed range is effectively empty.
53 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
56 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
57 mips_quad_format formats instead of ieee_single_format,
58 ieee_double_format and ieee_quad_format formats, respectively.
60 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
62 PR tree-optimization/27639
63 PR tree-optimization/26719
64 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
65 call to scev_probably_wraps_p.
66 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
67 used_in_pointer_arithmetic_p, convert_step): Removed.
68 (nowrap_type_p): New function.
69 (scev_probably_wraps_p): Rewritten.
70 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
71 chrec_convert if chrec_convert_aggressive might have been used.
72 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
73 scev_direction): New functions.
74 (chrec_convert): Changed to a wrapper over chrec_convert_1.
75 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
76 instead of convert_step.
77 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
78 (convert_step): Declaration removed.
79 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
81 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
83 * df-core.c: Added to header comments.
84 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
85 df_ur_bb_info, df_urec_bb_info): Added comments.
86 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
87 urec, ri problems): Fixed header comments.
88 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
89 code from df_rd_transfer_function.
91 2006-05-23 Richard Sandiford <richard@codesourcery.com>
93 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
94 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
95 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
97 2006-05-23 Joseph Myers <joseph@codesourcery.com>
99 * expr.c (undefined_operand_subword_p): New.
100 (emit_move_multi_word): Do not generate move from undefined bits
101 of a paradoxical subreg.
103 2006-05-23 Richard Sandiford <richard@codesourcery.com>
105 PR rtl-optimization/27736
106 * combine.c (replaced_rhs_value): New variable.
107 (combine_instructions): Set it.
108 (distribute_notes): When distributing a note in replaced_rhs_insn,
109 check whether the value was used in replaced_rhs_value.
111 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
114 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
115 add_referenced_var instead of add_referenced_tmp_var.
116 * tree-complex.c (create_one_component_var): Use add_referenced_var.
117 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
119 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
120 tree_optimize_tail_calls_1): Use add_referenced_var.
121 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
122 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
123 Use add_referenced_var.
124 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
125 * gimplify.c (force_gimple_operand): Use add_referenced_var.
126 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
127 Use add_referenced_var.
128 * tree-dfa.c (struct walk_state): Remove.
129 (find_referenced_vars): Remove walk state and vars_found hash table.
130 (make_rename_temp): Use add_referenced_var.
131 (find_vars_r): Pass less parameters to add_referenced_var.
132 (referenced_var_p): New. Is var in referenced_var hash table.
133 (referenced_var_insert): Assert var isn't already in hash table.
134 (add_referenced_var): Don't need walk_state parameter. Add var if it
135 isn't already in the hash table.
136 (add_referenced_tmp_var): Remove.
137 (find_new_referenced_vars_1): Use add_referenced_var.
138 * tree-ssa-pre.c (create_expression_by_pieces,
139 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
140 Use add_referenced_var.
141 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
142 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
143 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
145 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
146 vect_create_data_ref_ptr, vect_create_destination_var,
147 vect_init_vector, vect_build_loop_niters,
148 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
149 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
150 Use add_referenced_var.
151 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
152 * tree-flow.h (add_referenced_tmp_var): Remove prototype
153 (add_referenced_var): Add prototype.
154 * tree-ssa-structalias.c (get_constraint_for,
155 intra_create_variable_infos): Use add_referenced_var.
157 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
159 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
160 big-endian paradoxical subregs.
161 * var-tracking.c (struct micro_operation_def): Document that,
162 for modify micro operations, insn is the subsequent instruction.
163 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
164 (var_reg_set, var_mem_set): ... new functions.
165 (add_stores): Record subsequent insn.
166 (compute_bb_dataflow): Use new functions for MO_USE.
167 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
168 notes after the insn, and modify notes before the insn known
169 to be the subsequent one.
170 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
172 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
175 * config/i386/i386.c (ix86_expand_builtin): Use
176 gen_sse3_monitor64 for TARGET_64BIT.
178 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
180 PR rtl-optimization/26375
181 PR rtl-optimization/26855
182 * df-problems (df_ru_bb_local_compute_process_def): Removed update
184 (df_ru_bb_local_compute): Reversed statements and removed bogus
185 comment explaining why they should be in wrong order.
186 (df_ru_dump, df_rd_dump): Enhanced debug info.
187 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
189 * ddg.c (add_deps_for_def): Converted use of reaching defs to
190 reaching uses and fixed space problem.
192 2006-05-23 Jan Hubicka <jh@suse.cz>
194 * cgraphunit.c (decide_is_function_needed): Also nested functions
195 and functions declared inline can be optimized out at -O0.
197 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
199 * doc/install.texi (Configuration): Remove reference to CrossGCC
200 FAQ which was hijacked.
203 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
206 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
207 ix86_compare_emitted is non-NULL.
209 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
212 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
215 2006-05-22 Richard Sandiford <richard@codesourcery.com>
217 PR rtl-optimization/25514
218 * combine.c (replaced_rhs_insn): New variable.
219 (combine_instructions): Set replaced_rhs_insn when trying to replace
220 a SET_SRC with a REG_EQUAL note.
221 (distribute_notes): Use replaced_rhs_insn when determining the live
222 range of a REG_DEAD register.
224 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
225 Anatoly Sokolov <aesok@post.ru>
227 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
228 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
229 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
230 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
231 atmega3290, atmega649, atmega6490, atmega406, atmega640,
232 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
233 at90usb647, at90usb1286 and at90usb1287 devices.
234 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
235 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
237 2006-05-22 Richard Sandiford <richard@codesourcery.com>
239 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
241 2006-05-22 Richard Guenther <rguenther@suse.de>
244 2006-01-31 Richard Guenther <rguenther@suse.de>
245 Paolo Bonzini <bonzini@gnu.org>
247 * doc/install.texi (--disable-libgcc-math): Document.
249 2006-05-22 Richard Guenther <rguenther@suse.de>
252 2006-01-31 Richard Guenther <rguenther@suse.de>
254 * doc/invoke.texi (-msselibm): Document.
255 * target.h (expand_library_builtin): New target hook.
256 * builtins.c (expand_builtin): Use expand_library_builtin.
257 (default_expand_library_builtin): New function.
258 * gcc.c (LINK_GCC_MATH_SPEC): Define.
259 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
260 (link_gcc_math_spec): Declare.
261 (static_specs): Add link_gcc_math_spec.
262 * expr.h (default_expand_library_builtin): Declare.
263 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
264 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
265 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
266 * config/i386/i386.opt (msselibm): New target option.
267 * config/i386/i386.c (ix86_builtin_function_variants): New array.
268 (ix86_init_sse_abi_builtins): New function.
269 (ix86_expand_library_builtin): Likewise.
270 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
271 (override_options): Handle error conditions wrt -msselibm.
272 (ix86_builtins): Add function codes for SSE2 ABI builtins.
273 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
274 * doc/extend.texi (__builtin_sse2_*): Document new target specific
277 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
280 * c-common.c (self_promoting_args_p): Skip erroneous args.
283 * c-decl.c (finish_struct): Skip erroneous fields.
285 2006-05-22 Nick Clifton <nickc@redhat.com>
287 * config/cris/cris.opt (march): Remove VarExists attribute.
288 (max-stackframe=): Likewise.
290 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
292 * doc/rtl.texi: Fix a typo.
293 * see.c: Fix comment typos.
295 * tree-ssa-structalias.h (alias_info): Remove num_references.
297 2006-05-21 Mike Stump <mrs@apple.com>
299 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
301 (darwin_pragma_options): Use BAD instead.
302 (darwin_pragma_unused): Likewise.
303 (darwin_pragma_ms_struct): Likewise.
305 2006-05-21 David Edelsohn <edelsohn@gnu.org>
307 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
309 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
311 PR rtl-optimization/27671
312 * simplify-rtx.c (simplify_relational_operation_1): Fix
313 simplifications of (eq/ne (xor x y) y) and
316 PR tree-optimization/26622.
317 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
320 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
322 * tree-cfg.c: Prune whitespace.
323 (debug_tree_cfg): Point to correct header containing the
326 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
329 * cgraphunit.c (verify_cgraph_node): Typo in error message.
331 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
334 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
335 or sorry count is non zero.
337 2006-05-20 Andreas Schwab <schwab@suse.de>
339 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
341 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
342 Kenneth Zadeck <zadeck@naturalbridge.com>
344 PR rtl-optimization/26855
346 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
348 (df_scan_alloc): Added code to properly handle multiword hard
349 registers and add all_blocks parameter.
350 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
351 code to properly handle multiword hard registers.
352 (df_rescan_blocks): Added code to remove deleted blocks from
354 (df_ref_create_structure, df_ref_record): Added code to properly
356 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
357 and set DF_REF_PARTIAL.
358 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
359 (df_uses_record): Added DF_REF_PARTIAL for subreg.
360 (df_scan_add_problem): Added flags parameter.
361 (df_ref_create_structure): Changed switching structure.
362 (df_bb_refs_record): Fixed case where duplicate artificial refs
363 were created. Changed location of flags.
364 (df_record_entry_block_defs): Added code to make stack pointer
365 live in entry block. Refined cases where frame pointer is needed.
366 Changed location of flags.
367 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
368 (df_set_state): Removed function.
369 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
370 df_insn_create_insn_record, df_insn_refs_delete,
371 df_ref_create_structure): Formatting changes.
372 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
373 df_delete_basic_block): New function.
374 (df_init): Changed location of flags.
375 (df_add_problem): Added flags parameter and the way flags are
377 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
378 debug_df_chain): Improved debugging output.
379 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
380 (df_refs_chain_dump): Removed df parameter.
381 (df_iterative_dataflow): Added consistency check.
382 (df_prune_to_subcfg): Made public.
383 (df_analyze_problem): Added blocks_to_init parameter and made
385 (df_ref_record, df_bb_refs_record, df_mark_reg,
386 df_record_exit_block_uses): Whitespace changes.
387 (df_dump): Whitespace changes.
388 * df.h: Some reordering to remove forward references.
389 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
390 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
391 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
392 (dataflow.flags): New field.
393 (df.flag): Deleted field.
394 (df_alloc_function): Added additional bitmap parameter.
395 (df_dependent_problem_function): New type.
396 (df_problem.changeable_flags): New field.
397 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
398 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
399 (df_mw_hardreg): New struct.
400 (DF_INSN_UID_MWS): New macro.
401 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
403 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
404 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
405 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
406 (df_set_state): Removed function.
407 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
408 * df-problems.c (df_chain_dump): Removed df parameter.
409 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
410 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
412 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
413 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
414 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
415 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
416 DF_REF_MUST_CLOBBER cases.
417 (df_ru_bb_local_compute_process_def,
418 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
419 df_lr_bb_local_compute, df_ur_bb_local_compute,
420 df_chain_create_bb): Made subreg aware.
421 (df_ru_bb_local_compute, df_rd_bb_local_compute,
422 df_lr_bb_local_compute, df_lr_bb_local_compute,
423 df_chain_create_bb): Cleanup to use proper macros.
424 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
425 code to fixup bitvectors.
426 (df_ri_alloc): Cleared lifetime.
427 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
428 df_create_unused_note): New function.
429 (df_ri_bb_compute, df_ri_compute): Added code to create/update
430 REG_DEAD and REG_UNUSED notes as well as register information.
431 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
432 df_chains_dump): Fixed crash if problem was never run.
433 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
434 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
435 df_ri_add_problem): Processes flags in uniform manner.
436 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
437 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
438 df_rd_dump, df_urec_free_bb_info): Formatting changes.
439 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
440 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
441 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
442 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
443 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
444 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
445 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
446 * see.c (see_initialize_data): Ditto.
447 * final.c (rest_of_clean_state) Added regstack_completed.
448 * rtl.h (regstack_completed): Ditto.
449 * reg-stack.c (regstack_completed): Ditto.
451 2006-05-19 Mike Stump <mrs@apple.com>
453 * c-tree.h (default_conversion): Remove.
454 * c-common.h (default_conversion): Add.
456 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
458 * tree-vrp.c (valid_value_p): New function.
459 (adjust_range_with_scev): Fail if the value of bound is not
462 2006-05-19 Richard Sandiford <richard@codesourcery.com>
464 * config/mips/linux-unwind.h: Include <asm/unistd.h>
465 (mips_fallback_frame_state): Use syscall numbers to determine
466 the appropriate li instruction for the current ABI. Only use
467 __NR_sigreturn for o32.
469 2006-05-19 Nicolas Setton <setton@adacore.com>
471 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
472 * langhooks.c (lhd_dwarf_name): New function.
473 * langhooks-def.h (lhd_dwarf_name): Declare.
474 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
475 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
476 * ada/misc.c (gnat_dwarf_name): New function.
477 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
479 2006-05-19 Richard Sandiford <richard@codesourcery.com>
481 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
483 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
484 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
485 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
486 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
487 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
488 determine the size of Wtype, etc.
489 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
490 (swfloatfuncs): New variable.
491 (dwfloatfuncs): Likewise.
492 (lib2funcs): Remove floating-point conversion functions from
493 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
494 the set of conversion routines needed. Allow entries to specify
495 an object name, filename and word size. Update users accordingly.
496 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
497 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
501 2006-02-08 Roger Sayle <roger@eyesopen.com>
504 * config/fixtfdi.c: New libgcc source file.
505 * config/fixunstfdi.c: New source file.
506 * config/floatditf.c: New source file.
507 * config/floatunditf.c: New souce file.
508 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
509 files above instead of config/mips/_tilib.c.
510 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
512 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
514 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
515 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
517 2006-05-18 Mike Stump <mrs@apple.com>
519 Fix up vla, vm and [*] sematics.
525 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
526 (c_vla_unspec_p): Add.
528 * c-decl.c (struct c_scope): Add had_vla_unspec.
529 (build_array_declarator): Add support for [*].
530 (grokdeclarator): Likewise.
531 (grokparms): Likewise.
532 (get_parm_info): Likewise.
533 * c-objc-common.c (c_vla_unspec_p): Likewise.
534 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
535 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
536 typeof when argument is a variably modified type not inside sizeof or alignof.
537 (c_parser_direct_declarator_inner): Propagate errors.
538 (c_parser_sizeof_expression): Add support for [*].
539 (c_parser_parms_declarator): Initialize had_vla_unspec.
540 (c_parser_parms_list_declarator): Likewise.
541 * c-typeck.c (c_vla_type_p): Add.
542 (composite_type): Add support for vla compositing.
543 (comptypes_internal): Add support for vla compatibility.
544 (c_expr_sizeof_expr): Evaluate vla arguments.
545 * tree.c (variably_modified_type_p): Update comment for [*].
547 2006-05-18 Michael Matz <matz@suse.de>
550 * config.host: Make assignments to host_xmake_file cumulative.
551 * config.host (*-darwin*): Test $host, not $target.
553 2006-05-12 Stuart Hastings <stuart@apple.com>
555 * config/i386/i386.opt (-mstackrealign): New flag.
556 * config/i386/i386.c (force_align_arg_pointer): New attribute.
557 (ix86_handle_cconv_attribute): Emit error when
558 force_align_arg_pointer attribute collides with too many regparms.
559 (ix86_function_regparm): Limit regparms when used with
560 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
561 Support stack-realigning prologue in non-main functions. Emit
562 warning for nested functions under -mstackrealign, emit error for
563 nested functions with force_align_arg_pointer attribute.
564 * doc/extend.texi (force_align_arg_pointer): Document it.
565 * doc/invoke.texi (-mstackrealign): Document it.
567 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
569 PR rtl-optimization/27477
570 * combine.c (try_combine): Don't split a parallel consisting
571 of two sets into two individual sets if both sets reference
574 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
576 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
577 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
579 * doc/options.texi (VarExists): Updated.
581 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
583 * unwind-dw2.c: Add declarations for uw_update_context and
585 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
586 detected, advance frame state and context once to skip over stub.
588 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
592 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
593 Call rewrite_into_loop_closed_ssa only when something changed.
594 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
595 * lambda-code.c (can_convert_to_perfect_nest): Declared.
596 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
597 Test for perfect_nest_p here. Fix formating.
598 (replace_uses_equiv_to_x_with_y): Fix formating.
599 (stmt_uses_op): Removed.
600 (can_convert_to_perfect_nest): Removed loopivs parameter.
601 Complete the test by checking the scalar dependences.
602 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
605 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
608 From Dan Kegel <dank@kegel.com>:
609 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
611 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
613 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
614 if the element type is variably modified without recursing.
616 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
619 * tree-loop-linear.c (try_interchange_loops): Test for
622 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
624 PR tree-optimization/27548
625 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
626 range of ssa names that appear on abnormal edges.
627 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
628 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
630 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
633 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
635 2006-05-17 Jakub Jelinek <jakub@redhat.com>
638 * tree.h (OMP_PARALLEL_COMBINED): Define.
639 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
640 (new_omp_context): Add is_combined_parallel argument.
641 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
642 new_omp_context caller.
643 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
644 Adjust gimplify_scan_omp_clauses callers.
645 (omp_is_private): Issue errors if iteration variable is firstprivate
646 or reduction in the current context.
647 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
648 on combined parallel workshare constructs.
650 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
652 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
653 (gcc-options.o): New rule.
655 * optc-gen.awk: Protect variables for gcc-options.o with
656 #ifdef GCC_DRIVER/#endif.
658 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
660 Fix PR tree-optimization/27373
661 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
662 (forward_propagate_addr_expr): Update call.
664 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
666 * doc/options.texi: Move the Negative option.
668 2006-05-16 Richard Guenther <rguenther@suse.de>
670 PR tree-optimization/22303
671 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
673 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
674 ccp_fold did not simplify the statement.
676 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
679 * Makefile.in (GCC_OBJS): New.
680 (OBJS-common): Add opts-common.o.
681 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
682 (cpp$(exeext)): Likewise.
683 (gcc.o): Also depend on opts.h.
684 (opts-common.o): New.
686 * common.opt (gcoff): Add Negative(gdwarf-2).
687 (gdwarf-2): Add Negative(gstabs).
688 (gstabs): Add Negative(gstabs+).
689 (gstabs+): Add Negative(gvms).
690 (gvms): Add Negative(gxcoff).
691 (gxcoff): Add Negative(gxcoff+).
692 (gxcoff+): Add Negative(gcoff).
693 * config/i386/i386.opt (m32): Add Negative(m64).
694 (m64): Add Negative(m32).
696 * doc/options.texi: Document the Negative option.
698 * gcc.c: Include "opts.h".
699 (main): Call prune_options after expandargv.
701 * optc-gen.awk: Generate common declarations for all flag
702 variables in options.c. Output the neg_index field.
704 * opts.c (find_opt): Moved to ...
705 * opts-common.c: Here. New file.
707 * opts.h (cl_option): Add a neg_index field.
709 (prune_options): Likewise.
711 2006-05-16 Jakub Jelinek <jakub@redhat.com>
714 * omp-low.c (expand_omp_parallel): Don't assert
715 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
716 instead search for it.
719 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
722 2006-05-16 Andreas Schwab <schwab@suse.de>
724 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
727 2006-05-15 Roger Sayle <roger@eyesopen.com>
730 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
731 integer constants other than zero are only legitimate on TARGET_64BIT.
732 <CONST_VECTOR> Only zero vectors are legitimate.
733 (ix86_cannot_force_const_mem): Integral and vector constants can
734 always be put in the constant pool.
736 2006-05-16 DJ Delorie <dj@redhat.com>
738 * crtstuff.c (__dso_handle): Set section from
739 TARGET_LBIGCC_SDATA_SECTION if defined.
740 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
741 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
743 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
746 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
749 2006-05-16 Ben Elliston <bje@au.ibm.com>
751 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
753 2006-05-15 Per Bothner <per@bothner.com>
755 * tree.c: (last_annotated_node): Use sources_locus typedef.
756 This permits bootstrapping with --enable-mapped-location.
758 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
760 PR tree-optimization/26830
761 * tree-into-ssa.c (struct ssa_name_info): Add age field.
762 (info_for_ssa_name, current_info_for_ssa_name_age,
763 blocks_to_update): New variables.
764 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
765 (clear_ssa_name_info, initialize_flags_in_bb,
766 mark_block_for_update): New functions.
767 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
768 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
769 prepare_def_site_for): Use mark_block_for_update.
770 (mark_def_interesting): Assert that the processed block is marked in
771 blocks_to_update. Do not take blocks argument.
772 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
774 (rewrite_update_init_block, rewrite_update_stmt): Only process
775 blocks with statements to rewrite.
776 (delete_update_ssa): Do not clear SSA_NAME_AUX.
777 (update_ssa): Initialize and free blocks_to_update. Do not
778 clear flags on statements. Do not use blocks bitmap.
779 * tree.h (SSA_NAME_AUX): Removed.
780 (struct tree_ssa_name): Removed aux field.
781 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
783 2006-05-15 Richard Guenther <rguenther@suse.de>
785 PR tree-optimization/27603
786 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
787 Do computations in original type.
789 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
791 * see.c: Code style changes such as redundant paranthesis,
792 redundant intialization of local variables etc.
793 (see_main): Declared now as static.
794 * doc/invoke.texi: Update that -fsee is not enabled by
797 2006-05-15 Jakub Jelinek <jakub@redhat.com>
799 * omp-low.c (check_omp_nesting_restrictions): New function.
800 (scan_omp_1): Call it.
803 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
804 construct, return *VAR.
806 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
808 PR rtl-optimization/27406
809 * bt-load.c (migrate_btr_def): Skip the block having abnormal
812 2006-05-14 Roger Sayle <roger@eyesopen.com>
814 PR rtl-optimization/27538
815 * combine.c (expand_compound_operation): Call gen_lowpart
816 before calling simplify_shift_const.
818 2006-05-14 Roger Sayle <roger@eyesopen.com>
820 PR rtl-optimization/22563
821 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
822 a fixed width bitfield, always force the intermediates into psuedos.
824 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
827 * mkconfig.sh: Use operator = instead of == for test.
829 2006-05-13 Nick Clifton <nickc@redhat.com>
831 * dwarf2out.c (dbx_reg_number): Check return value from
832 LEAF_REG_REMAP and only use it if it is valid.
833 (multiple_reg_loc_descriptor): Likewise.
835 2006-05-13 Richard Guenther <rguenther@suse.de>
837 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
840 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
842 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
843 information attached to non-INSNs such as NOTEs.
844 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
846 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
848 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
850 * config/s390/s390.md: Adjust comment describing On constraint.
852 2006-05-11 Jan Hubicka <jh@suse.cz>
854 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
857 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
860 * fold-const.c (size_binop): Move sanity check for arguments to
861 the beginning of the function.
864 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
867 2006-05-11 Richard Guenther <rguenther@suse.de>
870 * fold-const.c (fold_unary): Handle intermediate conversion
871 to a pointer type like intermediate conversion to an integer
872 type in folding of (T1)(T2)var to var.
873 Match the code to the comment in the final conversion for
874 (T1)(T2)var to (T1)var regarding to type precision. Rather
875 than disallow T1 being of pointer type, assert that both T1
876 and var are of pointer type or not. Make sure not to fall
877 over the frontends lazyness wrt array to pointer decay though.
879 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
881 * arm.c (arm_struct_value_rtx): Delete.
882 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
883 (arm_init_cumulative_args): Always initialize nregs to zero.
885 2006-05-10 Richard Guenther <rguenther@suse.de>
887 PR tree-optimization/27532
888 * tree-object-size.c (plus_expr_object_size): Fix typo.
890 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
893 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
894 ashrdi_const, ashrdi3): Use a scratch register.
896 2006-05-10 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/27302
899 * fold-const.c (operand_equal_p): For two comparisons,
900 try comparison of one comparison code swapped if that yields
903 2006-05-10 Ben Elliston <bje@au.ibm.com>
905 * tree-pretty-print.c (pretty_print_string): No need to handle
906 '\0' as a special character.
908 * tree.h: Include "hashtab.h".
909 (iterative_hash_expr): Use hashval_t in its prototype.
910 * Makefile.in (TREE_H): Add $(HASHTAB_H).
912 2006-05-09 Steve Ellcey <sje@cup.hp.com>
915 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
916 (hppa*64*-*-hpux11*): Ditto.
917 (hppa[12]*-*-hpux11*): Ditto.
919 2006-05-09 David Edelsohn <edelsohn@gnu.org>
922 * config/rs6000/aix41.h (TARGET_64BIT): Define.
924 2006-05-09 Michael Matz <matz@suse.de>
926 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
927 host_extra_gcc_objs and host_xmake_file.
928 (<*-*-linux*>): Don't overwrite host_xmake_file.
929 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
930 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
931 (host_detect_local_cpu): Declare.
932 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
933 * config/i386/i386.c (override_options): Handle -mtune=native
935 * config/i386/x-i386: New file.
936 * config/i386/driver-i386.c: New file.
937 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
940 2006-05-09 Dirk Mueller <dmueller@suse.de>
941 Richard Guenther <rguenther@suse.de>
944 * fold-const.c (fold_read_from_constant_string): Relax check
945 for matching types to matching modes.
947 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
949 PR rtl-optimization/27335
950 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
953 2006-05-08 Chao-ying Fu <fu@mips.com>
954 Richard Sandiford <richard@codesourcery.com>
956 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
957 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
958 * config/mips/mips.md (UNSPEC_SCC): New constant.
959 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
960 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
961 (mips_emit_compare): Use it.
962 (mips_expand_vcondv2sf): New function.
964 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
966 Fix PR tree-optimization/27093
967 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
968 renaming when they become not-used_alone.
970 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
972 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
973 relocation and relocation stubs.
975 2006-05-08 Eric Christopher <echristo@apple.com>
977 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
980 2006-05-08 Jan Hubicka <jh@suse.cz>
983 * cgraphunit.c (decide_is_function_needed): When not optimizing even
984 unused static functions are needed.
986 2006-05-08 Roger Sayle <roger@eyesopen.com>
989 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
990 of a reg_equiv_constant if the result is a legitimate constant.
992 2006-05-08 Uros Bizjak <uros@kss-loka.si>
995 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
996 standard 80387 constants, raise the cost to prevent
997 compress_float_constant() to generate load from memory.
999 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
1001 * config/arm/constraints.md (c): Fix a typo.
1003 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
1006 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
1009 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
1011 (_mm_mwait): Likewise.
1013 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
1015 (sse3_monitor): Make it 32bit only.
1016 (sse3_monitor64): New. 64bit monitor.
1018 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1021 * config/i386/i386.c (classify_argument): Skip fields with invalid
1024 2006-05-07 Richard Guenther <rguenther@suse.de>
1026 PR tree-optimization/27409
1027 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1028 Do not try to find zero-sized subvars.
1030 2006-05-07 Richard Guenther <rguenther@suse.de>
1032 PR tree-optimization/27136
1033 * tree-ssa-loop-niter.c (get_val_for): Correct function
1034 comment, assert requirements.
1035 (loop_niter_by_eval): Stop processing if the iterated
1036 value did not simplify.
1038 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
1040 * opts.c (flag_see): remove its setting at -O3.
1042 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
1044 * genpeep.c (main): Make insn-peep.c depend on flags.h.
1045 * arm/constraints.md: New file.
1046 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
1047 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
1048 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
1049 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
1050 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
1051 (EXTRA_MEMORY_CONSTRAINT): Likewise.
1052 * arm.md: Include constraints.md.
1053 (thumb_movsi_insn): Use satisfies_constraint_J.
1054 (movhi, movqi): Use satisfies_constraint_I.
1056 2006-04-29 Anatoly Sokolov <aesok@post.ru>
1058 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1059 for atmeg a645 device.
1061 2006-05-06 Richard Guenther <rguenther@suse.de>
1063 PR tree-optimization/27151
1064 * tree-vect-transform.c (vectorizable_condition): Punt on
1065 values that have a different type than the condition.
1067 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1070 * c-parser.c (c_parser_cast_expression): Only insert casts into
1071 hash table if pointer.
1072 * function.c (used_types_insert_helper): Rename from
1074 (used_types_insert): Call used_types_insert_helper.
1075 * function.h (used_types_insert): Accept only one argument.
1077 2006-05-05 David Edelsohn <edesohn@gnu.org>
1079 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1080 scratch with output modifier.
1082 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1085 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1086 with output modifier.
1088 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1091 * config/mips/mips.c (mips_symbolic_address_p): Return true
1092 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1093 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1095 2006-05-04 Richard Guenther <rguenther@suse.de>
1097 PR tree-optimization/14287
1098 PR tree-optimization/14844
1099 PR tree-optimization/19792
1100 PR tree-optimization/21608
1101 PR tree-optimization/27090
1102 * tree-ssa-pre.c (try_combine_conversion): New function.
1103 (compute_avail): After constructing the value-handle
1104 expression, use try_combine_conversion to combine NOP_EXPRs
1105 with previous value-handle expressions and use the result if it
1108 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1110 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1112 2006-05-04 Jan Hubicka <jh@suse.cz>
1115 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1117 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1119 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1120 that this only matches CONST_INTs. All users changed to VOIDmode
1123 * config/bfin/bfin.c: Include "optabs.h".
1124 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1126 (enum bfin_builtins): Add a number of fractional and vector builtins.
1127 (bfin_init_builtins): Likewise.
1128 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1129 (safe_vector_operand, bfin_expand_binop_builtin,
1130 bfin_expand_unop_builtin): New functions.
1131 (bfin_expand_builtin): Handle the new builtins.
1132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1135 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1138 * Makefile.in (OBJS-common): Add see.o.
1139 (see.o): Add dependencies.
1140 * common.opt (fsee): New flag for the see optimization was added.
1141 * opts.c (flag_see): Initialized.
1142 * passes.c (init_optimization_passes, pass_see): New pass.
1143 * rtl.h (see_main): Declaration as extern.
1144 * timevar.def (TV_SEE): New.
1145 * tree-pass.h (pass_see): Declaration as extern.
1146 * invoke.texi (-fsee): Document.
1147 * recog.c (validate_simplify_insn): New function.
1148 * recog.h (validate_simplify_insn): Declaration as extern.
1149 * df-problems.c (df_chain_dump): Check for NULL.
1151 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1152 Daniel Berlin <dberlin@dberlin.org>
1154 * cfgrtl.c (insert_insn_bb_end_new): New function.
1155 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1157 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1159 * df.h (struct web_entry): Moved from web.c.
1160 (union_defs): Declaration as extern.
1161 (unionfind_root): Likewise.
1162 (unionfind_union): Likewise.
1163 * web.c (struct web_entry): Moved to df.h.
1164 (unionfind_root): Remove static declaration.
1165 (unionfind_union): Likewise.
1166 (union_defs): Likewise and generalize to use callback function.
1167 (web_main): Update arguments for union_defs function call.
1169 2006-05-04 Richard Guenther <rguenther@suse.de>
1171 PR tree-optimization/26447
1172 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1173 produce SSA_NAME copies before the store stmt to avoid
1174 breaking exception handling.
1176 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1179 * gimplify.c (omp_is_private): If var is shared in some outer context,
1180 return false instead of true. Stop searching on parallel context
1183 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1186 * coverage.c: Use get_gcov_unsigned_t() instead of
1187 unsigned_type_node all over.
1189 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1191 PR tree-optimization/27381
1192 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1193 maintain the same immediate_use links.
1194 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1195 node rather than segfaulting.
1197 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1200 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1201 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1202 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1204 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1206 Fix PR tree-optimization/26626
1207 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1209 * tree-ssa-operands.c (access_can_touch_variable): Allow
1210 typecasting through union pointers.
1212 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1215 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1216 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1217 to find if var will be a global variable even in the nested context.
1218 (omp_copy_decl): Only check for global variable at the end, it might
1219 be overridden in outer contexts.
1220 (scan_sharing_clauses): For global variables don't create a field.
1221 (lower_rec_input_clauses): Do nothing for global shared variables.
1222 Emit a barrier at the end of ILIST if there were any decls in both
1223 firstprivate and lastprivate clauses.
1224 (lower_send_clauses): Do nothing for global variables except for
1227 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1229 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1230 of the correct signedness is returned.
1232 2006-05-02 Jeff Law <law@redhat.com>
1234 PR tree-optimization/27364
1235 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1236 multiply expressions.
1238 2006-05-02 Tom Tromey <tromey@redhat.com>
1240 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1242 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1245 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1246 -mthumb -fPIC are used.
1248 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1249 Joshua Kinard <kumba@gentoo.org>
1252 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1253 with 64-bit pointers.
1255 2006-05-02 Paul Brook <paul@codesourcery.com>
1257 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1259 (create_fix_barrier): Check that a suitable barrier location is
1261 (arm_reorg): Include ftmp->address in allowable range of addresses.
1263 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1266 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1269 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1272 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1273 around RESULT_DECL for result passed by reference.
1274 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1275 * omp-low.c (use_pointer_for_field): Don't look at
1276 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1277 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1278 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1279 time or var for passing by reference for
1280 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1281 TREE_ADDRESSABLE variables when passing by reference.
1283 * omp-low.c (dump_omp_region): Fix output formatting.
1286 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1287 (expand_omp_parallel): Likewise.
1288 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1291 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1292 on statement list containing also constructors and destructors.
1293 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1296 * except.c (duplicate_eh_regions): Fix clearing of
1297 cfun->eh->region_array entries.
1299 2006-05-01 DJ Delorie <dj@redhat.com>
1301 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1303 (gcc_cv_objdump): Likewise.
1304 * configure: Regenerated.
1306 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1309 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1310 templates for case 3 and 4.
1312 2006-05-01 DJ Delorie <dj@redhat.com>
1314 * vec.c: Include bconfig.h when appropriate.
1315 * Makefile.in (build/vec.o): Adjust dependencies.
1316 * mkconfig.sh: Make sure config.h isn't used for build machine
1319 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1321 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1323 (mark_phi_for_rewrite): New function.
1324 (insert_phi_nodes_for, mark_use_interesting): Call
1325 mark_phi_for_rewrite.
1326 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1327 (update_ssa): Initialize and free phis_to_rewrite.
1329 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1331 PR rtl-optimization/27291
1332 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1333 folded to a constant.
1335 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1337 PR tree-optimization/27283
1338 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1339 not whole # of iteration descriptions.
1340 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1341 uses abnormal ssa name.
1342 (niter_for_single_dom_exit): Ditto.
1343 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1344 return just the number of iterations.
1346 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1348 PR tree-optimization/27144
1349 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1350 (record_estimate): Only record constant upper bound.
1351 (infer_loop_bounds_from_undefined): Call
1352 compute_estimated_nb_iterations just once.
1353 (proved_non_wrapping_p): Renamed to ...
1354 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1355 (convert_step_widening, scev_probably_wraps_p): Call
1356 n_of_executions_at_most instead of proved_non_wrapping_p.
1357 (substitute_in_loop_info): Do not replace values in bounds.
1358 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1361 2006-05-01 Richard Henderson <rth@redhat.com>
1364 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1365 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1368 2006-05-01 Roger Sayle <roger@eyesopen.com>
1370 * c-typeck.c (parser_build_binary_op): Don't call the function
1371 unsigned_conversion_warning to spot operand/result type overflow.
1372 (build_binary_op): Instead, call convert_and_check instead of
1373 convert to report the problem when the operands are promoted.
1374 * c-common.c (unsigned_conversion_warning): Make static.
1375 * c-common.h (unsigned_conversion_warning): Delete prototype.
1377 2006-05-01 Richard Guenther <rguenther@suse.de>
1379 PR tree-optimization/26726
1380 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1382 (find_interesting_uses_address): ... we work around here
1383 by folding INDIRECT_REFs in the substituted base.
1385 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1387 * omp-low.c (dump_omp_region): Add newlines.
1389 2006-04-30 Roger Sayle <roger@eyesopen.com>
1391 * common.opt (Woverflow): New command line option.
1392 * c-common.c (constant_expression_warning): Check warn_overflow.
1393 (overflow_waring): Pass OPT_Woverflow to warning.
1394 (unsigned_conversion_warning): Likewise.
1395 (convert_and_check): Likewise.
1396 * doc/invoke.texi: Document new command line option.
1398 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1400 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1401 TARGET_NO_FP_IN_TOC for section anchors.
1402 (optimization_options): Enable section anchors for all
1403 non-"Objective" languages.
1405 2006-04-28 Eric Christopher <echristo@apple.com>
1407 * config/darwin-c.c (darwin_ms_struct): Move this
1408 (darwin_set_default_type_attributes): and this...
1409 * config/darwin.c: ... here.
1410 * config/darwin.h (darwin_ms_struct): Declare.
1412 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1416 2006-04-28 Roger Sayle <roger@eyesopen.com>
1419 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1420 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1421 an unsigned HOST_WIDE_INT.
1422 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1424 (really_start_incremental_init): No need to call convert because
1425 bitsize_zero_node is already of type bitsizetype.
1426 (push_init_level): Extract the value of constructor_index as an
1427 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1428 (process_init_element): Likewise.
1430 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1432 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1433 value before passing to make_relative_prefix.
1435 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1438 * builtins.c (expand_builtin_memset): Expand val in original mode.
1440 2006-04-27 Eric Christopher <echristo@apple.com>
1442 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1443 with #ifndef/#endif.
1444 * config/darwin-c.c (darwin_ms_struct): New.
1445 (darwin_pragma_ms_struct): Ditto.
1446 (darwin_set_default_type_attributes): Ditto.
1447 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1448 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1449 Register ms_struct pragma.
1450 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1451 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1452 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1453 darwin_set_default_type_attributes if TARGET_MACHO.
1455 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1457 PR tree-optimization/26854
1458 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1459 * doc/tree-ssa.texi: Update immuse iterator documentation.
1460 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1461 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1462 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1463 first_safe_imm_use, next_safe_imm_use): Remove.
1464 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1465 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1466 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1467 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1468 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1469 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1470 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1471 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1472 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1473 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1474 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1475 (perfect_nestify): Use new iterator.
1476 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1478 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1479 (next_imm_name): New field in struct immediate_use_iterator_d.
1480 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1481 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1482 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1483 * tree-cfg.c (replace_uses_by): Use new iterator.
1484 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1485 * tree-ssa-operands.c (correct_use_link): Remove.
1486 (finalize_ssa_use_ops): No longer call correct_use_link.
1488 2006-04-27 Stuart Hastings <stuart@apple.com>
1490 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1491 * config/t-darwin (crt3.o): Use it.
1492 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1493 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1494 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1495 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1496 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1499 2006-04-27 Roger Sayle <roger@eyesopen.com>
1501 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1502 size, force the intermediate into a new pseudo rather instead of
1503 performing both a bitwise AND and a bitwise IOR in memory.
1505 2006-04-27 Richard Guenther <rguenther@suse.de>
1507 PR rtl-optimization/26685
1508 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1509 this one "max-flow-memory-locations".
1511 2006-04-27 Richard Guenther <rguenther@suse.de>
1513 PR tree-optimization/25148
1514 * tree-vrp.c (compare_values): Remove code dealing with
1515 comparisons against type min/max value. Honour overflow
1516 and negative constants in code dealing with comparisons
1517 of plus and minus expressions.
1518 (value_inside_range): Use fold_binary with LE_EXPR and
1519 GE_EXPR rather than compare_values.
1521 2006-04-27 Dirk Mueller <dmueller@suse.de>
1523 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1526 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1528 * basic-block.h (safe_insert_insn_on_edge): Removed.
1529 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1531 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1532 Paolo Bonzini <bonzini@gnu.org>
1535 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1536 (simplify_and_const_int): Same.
1538 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1540 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1542 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1545 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1546 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1547 cgraph_global_info_ready.
1550 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1553 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1554 either decl or init is error_mark_node.
1557 * tree-flow.h (struct omp_region): Add sched_kind.
1558 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1559 instead of extracting omp for data.
1560 (expand_omp_for): Save extracted sched_kind.
1562 2006-04-25 Roger Sayle <roger@eyesopen.com>
1564 * expmed.c (store_bit_field): Also check whether the bitsize is
1565 valid for the machine's "insv" instruction before moving the
1566 target into a pseudo for use with the insv.
1567 * config/i386/predicates.md (const8_operand): New predicate.
1568 * config/i386/i386.md (extv, extzv, insv): Use the new
1569 const8_operand predicate where appropriate.
1571 2006-04-25 DJ Delorie <dj@redhat.com>
1573 * doc/install.texi (Specific): Clarify that this is not a list of
1574 supported hosts or targets.
1576 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1578 PR rtl-optimization/26725
1579 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1580 block's BB_DIRTY flag.
1582 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1584 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1587 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1588 to print an integer.
1590 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1592 * varasm.c (align_variable): New function.
1593 (get_block_for_decl): Apply align_variable to DECL before
1594 calculating section information.
1595 (assemble_variable): Split out alignment computation.
1597 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1599 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1602 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1604 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1605 MODE_PARTIAL_INT mode.
1606 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1607 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1609 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1610 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1612 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1614 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1616 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1617 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1618 MACFLAG_IH): Likewise.
1619 (movstricthi_1): Renamed from "*movstricthi".
1620 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1621 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1622 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1623 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1624 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1625 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1626 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1627 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1628 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1629 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1630 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1631 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1632 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1633 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1634 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1636 * doc/rtl.texi (ss_ashift): Improve wording.
1638 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1640 * dwarf2out.c (verify_marks_clear): New.
1641 (prune_unused_types): Call verify_marks_clear initially, not
1644 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1646 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1647 * doc/rtl.texi: Document them.
1648 * simplify-rtx.c (simplify_unary_operation,
1649 simplify_binary_operation_1): Don't abort when we see them.
1651 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1654 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1655 * configure.ac: Completely disregard languages that are not
1657 * configure: Regenerated.
1659 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1660 Richard Guenther <rguenther@suse.de>
1662 PR tree-optimization/27236
1663 * tree-inline.c (copy_body_r): Make sure to copy
1664 TREE_THIS_VOLATILE flag.
1666 2006-04-24 Richard Guenther <rguenther@suse.de>
1669 * tree-complex.c (update_parameter_components): Don't handle
1670 unused parameters which have no default def.
1672 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1673 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/27218
1676 * tree-inline.c (expand_call_inline): Strip useless type
1677 conversions for the return slot address.
1679 2006-04-24 Richard Guenther <rguenther@suse.de>
1681 * cfgloop.h (struct loops): Remove unused field array. Reorder
1683 (LOOP_PREFETCH): Remove.
1685 2006-04-24 Richard Guenther <rguenther@suse.de>
1687 PR tree-optimization/22525
1688 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1689 variable, adjust types of generated expressions.
1691 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1693 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1694 (tree-vect-patterns.o): Likewise.
1696 (cselib.o): Likewise.
1697 (loop-doloop.o): Likewise.
1698 (regclass.o): Likewise.
1699 (reload1.o): Likewise.
1700 (explow.o): Replace target.h with $(TARGET_H).
1701 (ipa-prop.o): Likewise.
1702 (ipa-cp.o): Likewise.
1703 (ipa-inline.o): Likewise.
1704 (reorg.o): Likewise.
1705 (reg-stack.o): Likewise.
1707 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1709 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1711 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1713 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1715 * configure.ac: Completely disregard languages that are not
1717 * configure: Regenerated.
1720 * c-common.h (c_build_bitfield_integer_type): Declare.
1721 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1722 * c-common.c (c_build_bitfield_integer_type): ... here.
1724 2006-04-23 Roger Sayle <roger@eyesopen.com>
1727 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1728 a SImode SUBREG of a floating point register after no_new_pseudos.
1730 2006-04-23 Roger Sayle <roger@eyesopen.com>
1732 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1733 identify potentially eliminable registers to additionally catch
1734 VIRTUAL_INCOMING_ARGS_REGNUM.
1735 (addsi3): Update the conditions on when to use addsi_small_int.
1737 2006-04-23 Roger Sayle <roger@eyesopen.com>
1740 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1741 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1742 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1744 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1746 * fold-const.c (range_predecessor): Use operand_equal_p
1747 as the predicate for equality.
1748 (range_successor): Likewise.
1750 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1753 * config/soft-fp/op-common.h: Fix a typo.
1755 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1758 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1759 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1761 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1763 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1765 * doc/tm.texi: Fix a typo.
1767 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1769 * dwarf2out.c (struct die_struct): Document that die_sib makes
1770 a circular linked list.
1771 (FOR_EACH_CHILD): New.
1772 (reverse_die_lists): Delete.
1773 (reverse_all_dies): Delete.
1774 (add_dwarf_attr): Correct documentation.
1775 (remove_child_with_prev): New.
1776 (remove_child_TAG): Update for change to die_struct, use
1777 remove_child_with_prev.
1778 (add_child_die): Update for change to die_struct.
1779 (splice_child_die): Use remove_child_with_prev and add_child_die.
1780 (print_die): Use FOR_EACH_CHILD.
1781 (die_checksum): Likewise.
1782 (assign_symbol_names): Likewise.
1783 (output_location_lists): Likewise.
1784 (build_abbrev_table): Likewise.
1785 (calc_die_sizes): Likewise.
1786 (mark_dies): Likewise.
1787 (unmark_dies): Likewise.
1788 (unmark_all_dies): Likewise.
1789 (output_die): Likewise.
1790 (prune_unused_types_mark): Likewise.
1791 (prune_unused_types_walk): Likewise.
1792 (same_die_p): Update for change to die_struct.
1793 (break_out_includes): Likewise.
1794 (prune_unused_types_prune): Likewise.
1795 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1796 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1798 (dwarf2out_finish): Don't call reverse_all_dies.
1800 2006-04-21 Eric Christopher <echristo@apple.com>
1802 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1803 in comments and function names.
1805 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1808 * c-typeck.c (digest_init): Robustify.
1810 * c-typeck.c (pop_init_level): Simplify.
1812 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1814 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1816 2006-04-21 Paul Brook <paul@codesourcery.com>
1818 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1819 hardware floating point.
1821 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1823 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1826 2006-04-21 Nick Clifton <nickc@redhat.com>
1828 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1831 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1834 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1835 C++ lang type in traceback table for Objective-C++.
1837 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1839 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1841 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1843 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1846 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1847 were errors. Remove check for erroneous objects.
1849 2006-04-20 Jeff Law <law@redhat.com>
1851 PR tree-optimization/26854
1852 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1853 checking for zero or one use.
1854 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1855 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1856 * tree-ssa-reassoc.c (negate_value): Similarly.
1857 (reassociate_bb): Similarly.
1859 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1861 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1862 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1863 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1865 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1867 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1868 fp regs if the last fp arg doesn't fit in regs.
1870 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1873 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1874 that the last insn has the REG_INC note.
1876 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1877 Nathan Sidwell <nathan@codesourcery.com>
1880 * stor-layout.c (update_alignment_for_field): Do not align
1882 (place_union_field): Place union field at the start of the union.
1883 (place_field): Move ERROR_MARK check later, and use the current
1884 allocation position to maintain monotonicity.
1886 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1888 * dominance.c: Include timevar.h.
1889 (calculate_dominance_info): Use TV_DOMINANCE.
1890 * timevar.def (TV_DOMINANCE): New timevar.
1891 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1893 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1895 PR rtl-optimization/14261
1896 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1897 move would be an INSV insn.
1898 (noce_process_if_block): Don't optimize if the destination is a
1899 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1901 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1903 * config/s390/s390.md: Add comments with the instructions emitted
1904 by an insn pattern if macros are used.
1906 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1908 PR rtl-optimization/26026
1909 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1910 is a known power of two shifted left a variable amount.
1912 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1914 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1915 to hash table twice when the debug_str section has SECTION_MERGE.
1917 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1919 * config/soft-fp: New directory. From glibc.
1920 * config/soft-fp/t-softfp: New.
1921 * config/soft-fp/README: New.
1922 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1923 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1924 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1925 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1926 * config.gcc: Use rs6000/t-fprules-fpbit or
1927 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1929 * config/rs6000/sfp-machine.h: New. Based on glibc.
1930 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1932 * config/rs6000/t-fprules: Remove fp-bit rules.
1933 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1934 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1935 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1936 (softfp_wrap_start, softfp_wrap_end): New.
1938 2006-04-18 DJ Delorie <dj@redhat.com>
1940 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1942 2006-04-18 Devang Patel <dpatel@apple.com>
1944 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1946 2006-04-18 Nick Clifton <nickc@redhat.com>
1948 * config/sh/t-symbian: Add rule to build sh-c.o
1949 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1950 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1951 (sh_symbian_encode_section_info): Likewise.
1953 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1955 * builtins.c (expand_builtin_strcmp): Cover label definition of
1956 do_libcall with HAVE_cmpstrnsi.
1958 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1960 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1962 * function.h (temp_slot_p): New.
1963 (function): Change the type of x_used_temp_slots to
1964 VEC(temp_slot_p,gc) *.
1966 2006-04-18 Nick Clifton <nickc@redhat.com>
1968 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1969 flag_strength_reduce.
1971 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1973 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1977 Partial revert of revision 112637
1978 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1979 Dale Johannesen <dalej@apple.com>
1982 * regclass.c (struct reg_pref): Update documentation.
1983 (regclass): Set prefclass to NO_REGS if memory is the best option.
1984 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1986 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1988 PR tree-optimization/26821
1989 * tree-ssa-math-opts.c (get_constant_one): New.
1990 (insert_reciprocals): Use it.
1992 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1994 * dwarf2out.c (free_AT): Delete.
1995 (remove_AT): Update string ref counts.
1996 (remove_child_TAG): Don't call free_die.
1998 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1999 or DW_TAG_GNU_EINCL.
2000 (prune_unused_types_walk_attribs): Reset string refcounts.
2001 (prune_unused_types_update_strings): New.
2002 (prune_unused_types_prune): Don't make unnecessary stores. Don't
2003 call free_die. Do call prune_unused_types_update_strings.
2004 (prune_unused_types): Empty debug_str_hash.
2006 2006-04-17 Roger Sayle <roger@eyesopen.com>
2008 * expr.c (expand_assignment): Optimize away no-op moves where the
2009 source and destination are equal and have no side-effects.
2011 2006-04-17 Richard Guenther <rguenther@suse.de>
2014 * reload.c (push_reload): Guard calls to get_secondary_mem
2017 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
2019 * alias.c (reg_base_value, old_reg_base_value): Change the
2020 type to VEC(rtx,gc) *.
2021 (REG_BASE_VALUE, find_base_value, record_set,
2022 init_alias_analysis): Use VEC instead of VARRAY.
2024 * alias.c (alias_sets): Change the type to
2025 VEC(alias_set_entry,gc) *.
2026 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
2027 VEC instead of VARRAY.
2028 (last_alias_set): Remove.
2030 * cgraph.h (cgraph_edge_p): New.
2031 Update the prototype of cgraph_function_versioning.
2032 * cgraphunit.c (cgraph_copy_node_for_versioning,
2033 cgraph_function_versioning): Use VEC instead of VARRAY.
2034 * ipa-cp.c (ipcp_insert_stage): Likewise.
2036 2006-04-16 Roger Sayle <roger@eyesopen.com>
2039 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
2040 "A op B" or "A op C", we may need to convert A to the type of B and C.
2042 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
2044 * target.h (struct gcc_target): Add mode_rep_extended.
2045 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
2046 (init_num_sign_bit_copies_in_rep): Initialize it using
2048 (truncate_to_mode): Use it.
2049 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
2050 * targhooks.h (default_mode_rep_extended): Declare it.
2051 * targhooks.c (default_mode_rep_extended): Define it.
2052 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
2053 default_mode_rep_extended.
2054 (TARGET_INITIALIZER): Include it.
2055 * doc/tm.texi (Misc): Document it.
2056 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
2057 (mips_truncated_to_mode): New function.
2059 2006-04-16 Roger Sayle <roger@eyesopen.com>
2062 * expr.c (compress_float_constant): Copy the narrow constant into
2063 a new pseudo before extending it to its final width.
2065 2006-04-16 Roger Sayle <roger@eyesopen.com>
2066 Andrew Pinski <pinskia@gcc.gnu.org>
2067 Dale Johannesen <dalej@apple.com>
2070 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2071 special case code to implement V8HImode and V16QImode with SSE2.
2073 2006-04-15 Roger Sayle <roger@eyesopen.com>
2075 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2076 trees are constructed with a suitable tree type.
2078 2006-04-15 Roger Sayle <roger@eyesopen.com>
2080 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2081 (integer_onep): Likewise.
2082 (integer_all_onesp): Likewise.
2083 (integer_pow2p): Likewise.
2084 (integer_nonzerop): Likewise.
2085 (real_zerop): Likewise.
2086 (real_onep): Likewise.
2087 (real_twop): Likewise.
2088 (real_minus_onep): Likewise.
2089 (int_size_in_bytes): Likewise.
2090 (host_integerp): Likewise.
2092 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2094 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2095 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2096 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2098 * tree-ssa-structalias.h (alias_info): Remove num_references.
2100 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2102 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2103 (output_bvb patterns): Likewise.
2104 * pa.c (output_bb): Use 'bb' insn for long branch case.
2105 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2106 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2107 1. Correct length operand for alternatives 1 and 2.
2108 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2109 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2111 2006-04-14 Roger Sayle <roger@eyesopen.com>
2113 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2114 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2115 were accidentally reverted by r112959.
2117 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2120 * except.h (eh_region_outermost): New prototype.
2121 * except.c (eh_region_outermost): New function.
2122 * tree-cfg.c (find_outermost_region_in_block): Use it.
2124 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2126 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2128 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2129 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2130 (init_reload, reload): Use VEC instead of VARRAY.
2131 * reload.h: Update the prototype for
2132 reg_equiv_memory_loc_varray.
2134 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2135 Eric Botcazou <ebotcazou@libertysurf.fr>
2137 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2140 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2143 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2144 to expand fallback builtin function call.
2146 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2149 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2150 and emit libcall here in case the builtin fails.
2151 (expand_builtin_strcmp): Always emit the libcall here on failure.
2153 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2155 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2156 * flow.c (reg_n_info): Change the type to
2157 VEC(reg_info_p,heap) *.
2158 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2160 * regs.h (reg_info_p): New.
2161 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2162 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2163 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2166 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2168 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2170 * params.h (MAX_SCHED_READY_INSNS): New macro.
2171 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2172 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2173 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2174 the ready list for 1 cycle during the first scheduling pass.
2175 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2177 2006-04-13 Richard Henderson <rth@redhat.com>
2180 * gimple-low.c (lower_omp_directive): Remove dead code.
2181 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2182 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2183 * omp-low.c (struct omp_region): Move to tree-flow.h.
2184 (root_omp_region): Export.
2185 (omp_regions, lookup_omp_region): Remove.
2186 (determine_parallel_type): Update for struct omp_region changes.
2187 (dump_omp_region): Dump regions with block numbers.
2188 (new_omp_region): Take type and block instead of stmt; malloc
2190 (free_omp_region_1, free_omp_regions): New.
2191 (expand_parallel_call): Take entry_stmt as argument; update for
2192 changes to omp_region.
2193 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2194 (remove_exit_barriers): New.
2195 (expand_omp_parallel): Update for struct omp_region changes.
2196 (expand_omp_synch): Likewise.
2197 (expand_omp): Likewise.
2198 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2199 (expand_omp_for_static_chunk): Likewise.
2200 (expand_omp_for): Likewise.
2201 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2202 (expand_omp_sections): Similarly, with GOMP_sections_end.
2203 (expand_omp_single): New.
2204 (build_omp_regions_1): Update for OMP_CONTINUE.
2205 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2206 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2207 OMP_SECTIONS_SECTIONS.
2208 (lower_omp_single_simple): Don't emit barrier here.
2209 (lower_omp_single_copy): Likewise.
2210 (lower_omp_single): Fix bindings, and lower to straightline now.
2211 (lower_omp_master, lower_omp_ordered): Likewise.
2212 (lower_omp_critical): Likewise.
2213 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2214 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2215 omp edges, free it afterward.
2216 (make_omp_sections_edges): Remove.
2217 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2218 (move_stmt_r): Handle OMP_CONTINUE.
2219 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2220 statement pointers to basic blocks. Add type member.
2221 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2222 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2223 * tree-inline.c (estimate_num_insns_1): Likewise.
2224 * tree-pretty-print.c (dump_generic_node): Likewise.
2225 * tree-ssa-operands.c (get_expr_operands): Likewise.
2226 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2227 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2228 (OMP_CONTINUE): New.
2229 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2230 (OMP_SECTIONS_SECTIONS): Remove.
2231 (OMP_SECTION_LAST): New.
2232 (OMP_RETURN_NOWAIT): New.
2234 2006-04-13 Roger Sayle <roger@eyesopen.com>
2236 * fold-const.c (native_encode_vector, native_interpret_real):
2237 Correct obvious mistakes in the previous check-in.
2239 2006-04-13 Roger Sayle <roger@eyesopen.com>
2241 * fold-const.c (native_encode_expr): New function to encode
2242 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2243 or VECTOR_CST into a specified buffer.
2244 (native_encode_int): New function.
2245 (native_encode_real): New function.
2246 (native_encode_complex): New function.
2247 (native_encode_vector): New function.
2248 (native_interpret_expr): Inverse of native_encode_expr to convert
2249 a target representation into an INTEGER_CST, REAL_CST etc...
2250 (native_interpret_int): New function.
2251 (native_interpret_real): New function.
2252 (native_interpret_complex): New function.
2253 (native_interpret_vector): New function.
2254 (fold_view_convert_expr): New function to constant fold/evaluate
2255 a VIEW_CONVERT_EXPR of a suitable constant expression.
2256 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2257 Change call of build1 to fold_build1 when constructing a
2260 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2261 Ulrich Weigand <uweigand@de.ibm.com>
2264 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2267 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2270 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2271 optimize to lo_sum for DFmode if !TARGET_FPRS.
2273 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2275 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2276 delete_alias_info, compute_flow_sensitive_aliasing,
2277 group_aliases): Use VEC instead of VARRAY.
2278 * tree-ssa-structalias.c (update_alias_info): Likewise.
2279 * tree-ssa-structalias.h (alias_info): Change the type of
2280 processed_ptrs to VEC(tree,heap) *.
2282 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2285 * config/sh/lib1funcs.h: New file, broken out of:
2286 * config/sh/lib1funcs.asm.
2287 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2289 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2290 * config/sh/lib1funcs-Os-4-200.asm: New file.
2291 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2292 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2293 (EXTRA_MULTILIB_PARTS): Include it.
2294 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2295 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2296 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2297 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2300 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2302 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2303 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2304 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2306 * tree-ssa-live.h: Include vecprim.h.
2307 (tree_partition_associator_d): Change the type of
2308 first_partition to VEC(int,heap) *.
2309 (tpa_first_partition): Use VEC instead of VARRAY.
2311 * Makefile.in (GTFILES): Move functions.h after tree.h.
2312 * function.c (reset_block_changes, record_block_change,
2313 check_block_change, free_block_changes): Use VEC instead of
2315 * function.h (function): Change the type of
2316 ib_boundaries_block to VEC(tree,gc) *.
2317 * tree-inline.c (copy_cfg_body): Initialize
2318 ib_boundaries_block to NULL instead of (varray_type) 0.
2320 2006-04-12 Roger Sayle <roger@eyesopen.com>
2322 * expr.c (emit_group_store): Correct operand order in call to
2323 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2324 a SUBREG_BYTE of zero.
2326 2006-04-12 Richard Guenther <rguenther@suse.de>
2328 * profile.c (compute_branch_probabilities): Remove code
2329 encapsulated in !ir_type (), which are remanents of the
2330 removed RTL profiling code.
2331 * rtl-profile.c: Remove.
2333 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2335 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2336 magic NULL_RTX comment.
2337 (function_arg): Store entire fp arg to mem if any part should go
2339 (rs6000_arg_partial_bytes): Adjust for above change.
2341 2006-04-11 Roger Sayle <roger@eyesopen.com>
2343 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2344 if it hasn't been initialized by dwarf2out_init.
2346 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2348 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2349 symbolic constants in branch patterns.
2351 2006-04-11 Roger Sayle <roger@eyesopen.com>
2353 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2355 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2357 PR rtl-optimization/27073
2358 * gcse.c (try_replace_reg): Revert last change. Continue to search
2359 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2362 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2364 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2365 aggregate types other than record and union types.
2366 (function_arg): Likewise.
2367 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2369 (function_value): In 64-bit mode, return objects that require it
2372 2006-04-11 Roger Sayle <roger@eyesopen.com>
2374 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2376 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2378 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2380 2006-04-03 Jeff Law <law@redhat.com>
2383 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2384 alias information too.
2386 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2388 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2390 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2393 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2394 (premark_used_types_helper): New.
2395 (premark_used_types): New.
2396 (gen_subprogram_die): Call premark_used_types.
2397 (prune_unused_types_walk): Do not prune perennial dies.
2398 * function.c (used_types_insert): New.
2399 * function.h (struct function): Add used_types_hash field.
2400 (used_types_insert): Add prototype.
2401 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2402 * c-parser.c (c_parser_cast_expression): Save casted types in used
2405 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2408 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2409 rs6000_explicit_options.float_gprs.
2411 2006-04-10 Roger Sayle <roger@eyesopen.com>
2413 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2414 from ix86_expand_vector_init_low_nonzero. Take an additional
2415 one_var argument indicating which element is non-zero. Support
2416 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2417 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2418 with one_var instead of ix86_expand_vector_init_low_nonzero.
2420 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2422 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2423 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2424 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2425 build/genextract.o): Depend on vecprim.h.
2426 * cfglayout.c, df-problems.c, function.c, genextract.c,
2427 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2428 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2432 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2434 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2435 Declare VECs of this type.
2436 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2437 (remove_children): Delete.
2438 (add_dwarf_attr): Use VEC routines.
2439 (add_AT_flag): Update for changes to add_dwarf_attr.
2440 (add_AT_int): Likewise.
2441 (add_AT_unsigned): Likewise.
2442 (add_AT_long_long): Likewise.
2443 (add_AT_vec): Likewise.
2444 (add_AT_string): Likewise.
2445 (add_AT_die_ref): Likewise.
2446 (add_AT_fde_ref): Likewise.
2447 (add_AT_loc): Likewise.
2448 (add_AT_loc_list): Likewise.
2449 (add_AT_addr): Likewise.
2450 (add_AT_lbl_id): Likewise.
2451 (add_AT_lineptr): Likewise.
2452 (add_AT_macptr): Likewise.
2453 (add_AT_offset): Likewise.
2454 (add_AT_range_list): Likewise.
2455 (get_AT): Use VEC_iterate.
2456 (remove_AT): Use VEC_ordered_remove.
2457 (free_die): Fold remove_children into here; have it use VEC_iterate.
2458 (print_die): Use VEC_iterate on attrs.
2459 (reverse_die_lists): Don't reverse attr lists.
2460 (die_checksum): Use VEC_iterate on attrs.
2461 (same_die_p): Likewise.
2462 (output_location_lists): Likewise.
2463 (build_abbrev_table): Likewise.
2464 (size_of_die): Likewise.
2465 (unmark_all_dies): Likewise.
2466 (output_abbrev_section): Likewise.
2467 (output_die): Likewise.
2468 (prune_unused_types_walk_attribs): Likewise.
2470 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2472 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2474 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2477 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2479 2006-04-09 Roger Sayle <roger@eyesopen.com>
2481 * expr.c (store_constructor): Don't bother clearing target if
2482 we're about to assign a vector to it using vec_init_optab.
2484 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2486 * tree-ssa-alias.c (lhs_may_store_to): New function.
2487 (recalculate_used_alone): Handle LHS of calls.
2489 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2493 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2494 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2495 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2496 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2497 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2498 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2499 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2500 stubs. Add ".align 8" directives before all ".dword" directives.
2501 (GTHREAD_USE_WEAK): Revise comment.
2502 (TARGET_ATTRIBUTE_WEAK): Define.
2503 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2504 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2505 * stublib.c: New file.
2510 * pa.md (cbranch patterns): Revise arguments used in calls to
2511 output_cbranch, output_bb and output_bvd. Add long branch length
2513 (fbranch patterns): Handle long branches.
2514 (jump): Revise length check. Revise arguments for output_lbranch call.
2515 Add long branch length attributes.
2516 (decrement_and_branch_until_zero): Add long branch length attributes.
2517 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2518 Likewise. Revise arguments for output_parallel_addb and
2519 output_parallel_movb calls.
2520 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2521 output_parallel_movb and output_parallel_addb): Update prototypes.
2522 * pa.c (output_cbranch): Revise arguments. Correct handling of
2523 nullification in long branches.
2524 (output_lbranch): Add new argument to control extraction of delay
2526 (output_bb): Handle long branches.
2527 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2528 output_parallel_addb): Likewise.
2530 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2532 PR rtl-optimization/27073
2533 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2536 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2538 * tree.h (tree_memory_tag): Add old_used_alone.
2539 (SMT_OLD_USED_ALONE): New macro.
2540 * tree-ssa-alias.c (recalculate_used_alone): Stop
2541 marking things for renaming unnecessarily.
2543 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2545 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2546 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2547 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2548 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2549 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2550 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2551 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2552 spelling convensions.
2553 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2554 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2555 typos. Follow spelling conventions.
2557 2006-04-07 DJ Delorie <dj@redhat.com>
2559 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2560 passed on the stack.
2561 (m32c_init_cumulative_args): When a function returns a structure,
2562 always pass the pointer to that return area on the stack.
2563 (m32c_function_arg_advance): Don't increment the parameter number
2564 if we're processing the returned structure pointer.
2565 (pushm_info): Reverse order of registers.
2567 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2569 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2570 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2571 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2572 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2574 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2575 chrec_fold_multiply): Same.
2576 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2577 force_expr_to_var_cost): Same.
2578 * tree-mudflap.c (mf_xform_derefs_1): Same.
2579 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2581 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2583 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2584 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2587 2006-04-07 Jan Hubicka <jh@suse.cz>
2589 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2591 2006-04-07 Richard Guenther <rguenther@suse.de>
2593 PR tree-optimization/26135
2594 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2595 loads for store copy-prop.
2596 (copy_prop_visit_stmt): Likewise.
2598 2006-04-05 Robert Millan <robertmh@gnu.org>
2600 * config/i386/linux.h: Add a comment to mark macros that are
2601 being overriden in config/k*bsd-gnu.h.
2602 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2604 * config/knetbsd-gnu.h: Ditto.
2606 2006-04-06 Jan Hubicka <jh@suse.cz>
2610 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2613 2006-04-06 Mike Stump <mrs@apple.com>
2615 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2616 for HAVE_nonlocal_goto to be consistent.
2617 (expand_builtin_nonlocal_goto): Likewise.
2618 (expand_builtin_strcmp): Use #ifdef instead of #if
2619 for HAVE_cmpstrnsi to be consistent.
2621 2006-04-05 DJ Delorie <dj@redhat.com>
2623 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2626 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2628 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2629 got-relative addressing for anything but SImode.
2631 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2632 even if the calling function doesn't modify them.
2634 2006-04-05 Richard Guenther <rguenther@suse.de>
2636 PR tree-optimization/26919
2637 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2638 to cgraph_estimate_size_after_inlining.
2640 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2642 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2644 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2646 PR tree-optimization/26996
2647 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2648 VECTOR_TYPE variables.
2650 2006-04-05 Richard Guenther <rguenther@suse.de>
2652 PR tree-optimization/26763
2653 * fold-const.c (fold_comparison): Move folding of
2654 PTR + CST CMP PTR + CST ...
2655 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2657 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2659 * doc/install.texi (Prerequisites): Refine some wording on
2660 bootstrapping and ksh.
2661 Move the version numbers of DejaGnu here from the testing section
2662 and fix casing of names.
2663 Fix markup and clarify wording for autogen requirements.
2664 Refer to GCJ instead of just java.
2665 Refer to SVN instead of CVS.
2666 Describe diffutils as useful instead of necessary.
2667 (Downloading the source): Refer to SVN instead of CVS.
2668 Adjust a link to our web site accordingly.
2669 (Configuration): Fix casing of Bison.
2670 (Building): Refer to SVN instead of CVS.
2671 Fix a sentence on the use of Bison and remove duplicate (and
2672 incorrect) version number of Bison requirement.
2673 Remove one redundant list of packages needed for building.
2674 (Specific): Avoid reference to CVS.
2676 2006-04-04 Eric Christopher <echristo@apple.com>
2678 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2679 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2680 (rs6000_handle_struct_attribute): New.
2681 (rs6000_ms_bitfield_layout_p): Ditto.
2683 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2685 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2686 NULL for dso parameter to atexit_common.
2688 2006-04-04 Eric Christopher <echristo@apple.com>
2690 * config/i386/i386.c (machopic_output_stub): Output \t
2691 between instructions and operands.
2693 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2695 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2696 satisfies_constraint_[IL] to explicit tests on value.
2698 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2700 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2701 set_nb_iterations_in_loop): Use build_int_cst instead of
2703 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2704 build_int_cst instead of convert.
2706 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2708 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2709 new value 2 for incoming.
2710 * function.c (expand_function_start): Call struct_value_rtx
2712 * config/sparc/sparc.md: Comment updated_return.
2713 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2714 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2715 struct return if sparc_std_struct_return and incoming is 2.
2716 (print_operand): Do not adjust return if
2717 sparc_std_struct_return.
2719 2006-04-04 Roger Sayle <roger@eyesopen.com>
2721 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2722 convert in the middle-end.
2723 * expr.c (store_expr, store_constructor, get_inner_reference,
2724 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2726 * tree.c (build_range_type): Likewise.
2728 2006-04-04 Tom Tromey <tromey@redhat.com>
2730 * doc/install.texi (Prerequisites): Mention jar.
2732 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2734 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2737 2006-04-04 Matthias Klose <doko@debian.org>
2739 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2740 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2743 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2745 * doc/extend.texi (Function Attributes): Rewrite visibility
2746 attribute documentation.
2747 * doc/invoke.texi (C++ Dialect Options): Rewrite
2748 -fvisibility-inlines-hidden documentation to describe something
2749 entirely different, although in practise compatible.
2750 (Code Gen Options): Warn about system headers in -fvisibiltity=
2753 * doc/extend.texi (Other Builtins): Document that
2754 __builtin_nan is a compile-time constant only when its argument
2757 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2759 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2760 trying to remove TRUNCATE check if all bits outside the new mode
2761 are identical to the sign bit.
2763 2006-04-03 Jeff Law <law@redhat.com>
2765 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2766 and operand scanning in some common cases.
2768 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2769 Dale Johannesen <dalej@apple.com>
2772 * regclass.c (struct reg_pref): Update documentation.
2773 (regclass): Set prefclass to NO_REGS if memory is the best option.
2774 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2775 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2776 into account. For non-registers, equate an empty preferred
2777 reload class to a `!' in the constraint; move the if clause to
2778 do so after those that reject the insn.
2779 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2781 (find_dummy_reload): Likewise.
2782 * doc/tm.texi (Register Classes): Document what it means
2783 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2784 * config/i386/i386.c (ix86_preferred_reload_class): Force
2785 using SSE registers (and return NO_REGS for floating-point
2786 constants) if math is done with SSE.
2787 (ix86_preferred_output_reload_class): New.
2788 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2789 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2790 * config/i386/i386.md: Remove # register preferences.
2792 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2795 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2796 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2797 the type of nb_iter.
2798 (instantiate_parameters_1): Convert the operands before calling
2799 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2800 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2802 2006-04-02 Roger Sayle <roger@eyesopen.com>
2804 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2805 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2807 * dojump.c (do_jump): Likewise.
2808 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2809 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2810 gimplify_boolean_expr): Likewise.
2811 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2812 * varasm.c (array_size_for_constructor): Likewise.
2813 * tree-object-size.c (compute_object_offset): Likewise.
2815 2006-04-02 Roger Sayle <roger@eyesopen.com>
2818 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2819 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2821 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2823 PR tree-optimization/26939
2824 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2826 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2828 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2829 at_stmt. Convert the type of operands before calling
2830 build_polynomial_chrec.
2831 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2833 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2834 (instantiate_parameters_1): Convert the type of operands before calling
2835 build_polynomial_chrec.
2836 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2837 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2838 reset_evolution_in_loop): Insert asserts to check the types of the
2840 (chrec_type): Moved...
2841 (eq_evolutions_p): Use operand_equal_p.
2842 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2843 the types of the operands.
2844 (chrec_type): ...here.
2845 * tree-data-ref.c (create_data_ref): Convert the operands before
2846 calling chrec_replace_initial_condition.
2847 (same_access_functions, analyze_subscript_affine_affine,
2848 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2849 (compute_subscript_distance, analyze_ziv_subscript,
2850 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2851 analyze_miv_subscript): Convert the operands before calling
2852 chrec_fold_minus or chrec_fold_plus.
2854 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2856 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2857 the dependence_relations vector.
2858 (compute_data_dependences_for_loop): Adjust call to
2859 compute_all_dependences.
2861 2006-04-01 Roger Sayle <roger@eyesopen.com>
2862 Richard Henderson <rth@redhat.com>
2864 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2865 gimple_boolify on the condition before calling gimplify_expr.
2867 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2869 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2870 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2871 the frame size. Update to use the new macros.
2872 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2873 * config/xtensa/ieee754-df.S: Likewise.
2875 2006-03-31 Richard Henderson <rth@redhat.com>
2877 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2878 (make_edges): ... here. Control fallthru creation with a local
2879 variable. Do not play with fake edges.
2880 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2881 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2884 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2886 * dwarf2.h (DW64_CIE_ID): Define.
2887 * dwarf2out.c (DWARF_CIE_ID): Define.
2888 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2889 length header. Use DWARF_CIE_ID.
2890 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2891 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2893 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2895 * config/sh/linux-atomic.asm: New file.
2896 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2898 2006-03-31 DJ Delorie <dj@redhat.com>
2900 * config/m32c/cond.md: Set condition flags properly throughout.
2901 * config/m32c/minmax.md: Likewise.
2902 * config/m32c/prologue.md: Likewise.
2903 * config/m32c/bitops.md: Likewise.
2904 * config/m32c/muldiv.md: Likewise.
2905 * config/m32c/mov.md: Likewise.
2906 * config/m32c/addsub.md: Likewise.
2907 * config/m32c/m32c.md: Likewise.
2908 * config/m32c/jump.md: Likewise.
2909 * config/m32c/shift.md: Likewise.
2911 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2912 conditionally output the pattern for this.
2913 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2914 (m32c_compare_redundant): New.
2915 (m32c_output_compare): New.
2916 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2918 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2919 dest, not src. Allow other 4-byte modes.
2921 2006-03-30 Denis Chertykov <denisc@overta.ru>
2923 * doc/md.texi: Refer to avr/constraints.md instead of
2926 2006-03-30 Roger Sayle <roger@eyesopen.com>
2928 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2929 signed vs. unsigned comparison failures on some hosts.
2931 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2934 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2935 change to FLOAT_REGS.
2937 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2938 (rs6000_override_options): Use it.
2939 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2940 only for -mabi=spe/no-spe and -mabi=altivec.
2942 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2944 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2947 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2949 * Makefile.in: Rename docdir to gcc_docdir.
2951 2006-03-30 Roger Sayle <roger@eyesopen.com>
2954 * expr.c (emit_group_store): Optimize group stores into a pseudo
2955 register by using a paradoxical subreg to initialize the destination
2956 if the first or last member of the group specifies a "low part".
2958 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2961 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2962 * target.h (struct gcc_target.speculate_insn): Change type of the
2963 second parameter to 'int'.
2964 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2965 the second operand of the DEPS_LIST.
2966 (copy_DEPS_LIST_list): Update reference to the second operand of the
2968 * rtl.h (alloc_DEPS_LIST): Update signature.
2969 * sched-int.h (ds_t): Change typedef to 'int'.
2970 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2972 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2974 * haifa-sched.c (try_ready): Change condition to restore
2975 non-speculative pattern of the instruction.
2976 (process_insn_depend_be_in_spec): Code to keep probability of the
2977 speculative dependence non-decreasing.
2979 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2981 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2982 (single_move_for_movmem): ... this. Also change all uses.
2983 (bfin_expand_strmov): Renamed to...
2984 (bfin_expand_movmem): ... this. Also change all uses.
2985 * config/bfin/bfin.md (movstrsi): Renamed to...
2986 (movstrsi): ...this.
2988 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2990 PR tree-optimization/26830
2992 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2993 (copy_prop_visit_stmt): Remove write-only variable ann.
2994 (init_copy_prop): Check variable loop depth here. Do not simulate
2995 memory-tag and virtual operand PHIs except for store copy prop.
2997 2006-03-30 Richard Guenther <rguenther@suse.de>
2999 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
3000 variants with double arguments.
3002 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3004 * genpreds.c (write_tm_constrs_h): Delete variable p.
3005 * genconditions.c (write_header): Add tm-constrs.h to included
3007 * genpeep.c (main): Add toplev.h to included headers.
3008 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
3009 (build/genpeep.o): Add toplev.h dependency.
3010 * config/rs6000/constraints.md: Add "W" constraint.
3012 2006-03-29 Roger Sayle <roger@eyesopen.com>
3014 * stor-layout.c (mode_for_size_tree): Remove restiction on type
3015 sizes by correctly testing whether the size fits a host integer.
3016 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
3017 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
3018 SImode range for the default sizetype and bitsizetype.
3020 2006-03-29 Roger Sayle <roger@eyesopen.com>
3022 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
3023 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
3024 quickly if the argument is already of the correct type.
3025 Call fold_build1 instead of build1. Tidy up blank lines.
3027 2006-03-29 David Edelsohn <edelsohn@gnu.org>
3029 * genemit.c (main): Add tm-constrs.h to included headers.
3030 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
3031 * genpeep.c (main): Add tm-constrs.h to included headers.
3032 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
3033 (write_tm_constrs_h): this and write complete file.
3034 (write_tm_preds_h): Do not emit satisfies_constraint fns.
3035 (write_insn_preds_c): Add tm-constrs.h to included headers.
3036 (gen_constrs): New variable.
3037 (parse_option): Parse "-c".
3038 (main): Invoke write_tm_constrs_h.
3039 * genrecog.c (write_header): Add tm-constrs.h to included headers.
3040 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
3041 (object_out_file): Add tm-constrs.h dependency.
3042 (insn-emit.o): Same.
3043 (insn-output.o): Same.
3044 (insn-peep.o): Same.
3045 (insn-preds.o): Same.
3046 (insn-recog.o): Same.
3047 (tm-constsr.h): New target.
3048 (s-constrs-h): New target.
3050 * config/rs6000/constraints.md: New file.
3051 * config/rs6000/rs6000.c: Include tm-constrs.h.
3052 (num_insn_constant_wide): Convert to satisfies_constraint.
3053 (rs6000_rtx_costs): Convert to satisfies_constraint.
3054 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
3055 (CONST_OK_FOR_LETTER_P): Delete.
3056 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3057 (EXTRA_CONSTRAINT): Delete.
3058 (EXTRA_MEMORY_CONSTRAINT): Delete.
3059 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3060 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3061 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3062 satisfies_constraint.
3064 * config/i386/i386.c: Include tm-constrs.h.
3066 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3068 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3069 * tree-data-ref.c (find_data_references_in_loop,
3070 compute_data_dependences_for_loop): Use pointers to VEC.
3071 (analyze_all_data_dependences): Adjust calls.
3072 * tree-data-ref.h (find_data_references_in_loop,
3073 compute_data_dependences_for_loop): Adjust declarations.
3074 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3075 compute_data_dependences_for_loop.
3077 2006-03-29 Paul Brook <paul@codesourcery.com>
3079 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3082 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3084 PR tree-optimization/26859
3085 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3087 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3088 for the step after fold_convert.
3090 2006-03-29 Paul Brook <paul@codesourcery.com>
3092 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3093 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3095 2006-03-29 Paul Brook <paul@codesourcery.com>
3098 * targhooks.c (default_narrow_bitfield): New fuction.
3099 * targhooks.h (default_narrow_bitfield): add prototype.
3100 * target.h (gcc_target): Add narrow_volatile_bitfield.
3101 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3102 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3103 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3104 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3106 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3108 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3110 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3111 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3112 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3113 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3114 (s390_function_arg_float): Allow SDmode and DDmode values to be
3115 passed in floating point registers.
3116 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3117 check with SCALAR_FLOAT_MODE_P.
3118 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3120 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3122 PR tree-optimization/25985
3123 * tree-ssa-loop-niter.c (number_of_iterations_le,
3124 number_of_iterations_ne): Make comments more precise.
3125 (number_of_iterations_cond): Add only_exit argument. Use the
3126 fact that signed variables do not overflow only when only_exit
3128 (loop_only_exit_p): New.
3129 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3130 number_of_iterations_cond.
3132 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3134 PR tree-optimization/26643
3135 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3138 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3140 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3141 (divsi3_i4_int): Likewise.
3143 2006-03-28 Roger Sayle <roger@eyesopen.com>
3145 * expr.c (emit_group_store): Only create a new pseudo reg if the
3146 quantity it needs to hold isn't already a suitable pseudo.
3148 2006-03-28 Jeff Law <law@redhat.com>
3150 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3151 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3153 2006-03-28 Roger Sayle <roger@eyesopen.com>
3155 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3156 the equivalent ~X & Y, and the symmetry related transformations.
3157 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3158 ~X & Y, and symmetry related transforms.
3160 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3162 Revert my 2006-03-27 patches.
3164 2006-03-28 Roger Sayle <roger@eyesopen.com>
3166 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3167 ~(T1)X, when T1 and T2 are integer types of the same precision
3168 and (T2)X isn't an extension.
3170 2006-03-28 Jeff Law <law@redhat.com>
3172 PR tree-optimization/26796
3173 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3174 need EH edge cleanups rather than purging them immediately.
3175 (eliminate_degenerate_phis): Handle queued EH cleanups.
3177 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3179 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3182 2006-03-27 Roger Sayle <roger@eyesopen.com>
3185 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3186 cast BIT_NOT_EXPR operand to the correct type.
3188 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3190 * tree-loop-linear.c: Don't include varray.h.
3191 (gather_interchange_stats, try_interchange_loops,
3192 linear_transform_loops): Use VEC instead of VARRAY.
3193 * lambda-mat.c: Don't include varray.h.
3194 * tree-chrec.c: Same.
3195 * lambda-trans.c: Same.
3196 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3197 VEC instead of VARRAY.
3198 * tree-vectorizer.h: Idem.
3199 * tree-data-ref.c (dump_data_references,
3200 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3201 initialize_data_dependence_relation, finalize_ddr_dependent,
3202 compute_all_dependences, find_data_references_in_loop,
3203 compute_data_dependences_for_loop, analyze_all_data_dependences,
3204 free_dependence_relation, free_dependence_relations,
3205 free_data_refs): Idem.
3206 * tree-data-ref.h (data_reference_p, subscript_p): New.
3207 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3208 VEC instead of VARRAY.
3209 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3210 (find_data_references_in_loop, compute_data_dependences_for_loop,
3211 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3212 dump_data_dependence_relations, free_dependence_relations,
3213 free_data_refs): Adjust declaration.
3214 (lambda_transform_legal_p): Move declaration here...
3215 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3216 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3217 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3218 vect_analyze_data_refs): Use VEC instead of VARRAY.
3219 * lambda.h (lambda_transform_legal_p): ...from here.
3220 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3221 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3222 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3223 tree-chrec.o): Don't depend on VARRAY_H.
3225 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3227 * rtl.def (Copyright): Update date.
3228 (DEPS_LIST): Change type of the second operand to 'int'.
3229 * target.h (Copyright): Update date.
3230 (struct gcc_target.speculate_insn): Change type of the second parameter
3232 * lists.c (Copyright): Update date.
3233 (alloc_DEPS_LIST): Change signature. Update reference to the second
3234 operand of the DEPS_LIST.
3235 (copy_DEPS_LIST_list): Update reference to the second operand of the
3237 * rtl.h (Copyright): Update date.
3238 (alloc_DEPS_LIST): Update signature.
3239 * sched-int.h (Copyright): Update date.
3240 (ds_t): Change typedef to 'int'.
3241 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3243 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3245 * haifa-sched.c (Copyright): Update date.
3246 (try_ready): Change condition to restore non-speculative pattern
3248 (process_insn_depend_be_in_spec): Code to keep probability of the
3249 speculative dependence non-decreasing.
3251 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3253 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3254 shut up the compiler.
3256 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3258 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3259 to use lib prefix for target.
3260 ($(T)libic_invalidate_array_4-200.a): Likewise.
3261 ($(T)libic_invalidate_array_4a.a): Likewise.
3263 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3264 J"orn Rennecke <joern.rennecke@st.com>
3266 * superh.opt: New file.
3267 * sh.c (boardtype, osruntime): Remove.
3268 * superh.h (SUBTARGET_OPTIONS): Remove.
3269 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3271 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3272 arguments with ^ and/or [].
3274 * config.gcc (sh-*-*): Add quoting to account for quirk of
3276 Replace == with = in enable_incomplete_targets test.
3278 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3279 with MASK_LITTLE_ENDIAN.
3281 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3282 * config/sh/sh.opt: Added to some comments.
3283 * config/sh/superh.h: Removed some chaff.
3285 * config/sh/sh.opt: Add m4-[1234]00* options.
3286 * config/sh/sh.c (sh_handle_option): Likewise.
3287 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3288 (ic_invalidate_array_4-100.o): New rule.
3289 ($(T)libic_invalidate_array_4-100.a): Likewise.
3290 (ic_invalidate_array_4-200.o): Likewise.
3291 ($(T)libic_invalidate_array_4-200.a): Likewise.
3292 (ic_invalidate_array_4a.o): Likewise.
3293 ($(T)libic_invalidate_array_4a.a): Likewise.
3294 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3295 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3297 * config/sh/crt1.asm: Merged in profiling code.
3298 * config/sh/superh.h (STARTFILE_SPEC): Override.
3299 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3300 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3301 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3303 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3304 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3305 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3307 * sh.opt (mpretend-cmove): New option.
3308 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3309 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3310 (movsicc): Add TARGET_PRETEND_CMOVE code.
3312 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3314 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3315 s390_class_max_nregs): New function prototypes.
3316 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3317 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3318 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3319 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3321 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3323 * dwarf2out.c (add_location_or_const_value_attribute): Call
3324 tree_add_const_value_attribute if nothing else works.
3325 (reference_to_unused): New.
3326 (rtl_for_decl_init): Use reference_to_unused to decide whether
3327 to output an initializer.
3329 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3332 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3333 peephole removing spe frob_di_df_2.
3335 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3337 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3338 (subscript_dependence_tester_1): Declared.
3339 (print_dir_vectors, print_dist_vectors): New.
3340 (debug_data_dependence_relation): New.
3341 (dump_data_dependence_relation): Print more details.
3342 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3343 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3344 (save_dist_v, save_dir_v, add_outer_distances,
3345 build_classic_dist_vector_1): New.
3346 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3347 Don't test for lambda_vector_lexico_pos.
3348 (same_access_functions, add_multivariate_self_dist,
3349 add_other_self_distances, dir_from_dist): New.
3350 (build_classic_dir_vector): Replace implementation almost identical to
3351 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3353 (subscript_dependence_tester_1): New.
3354 (subscript_dependence_tester): Handle the lexicographically negative
3355 distance vectors by recomputing the dependence relation.
3356 (compute_affine_dependence): Remove parameter loop_nest_depth.
3357 (compute_self_dependence): Don't call compute_subscript_distance.
3358 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3359 Add a parameter for the loop_nest.
3360 (find_loop_nest_1, find_loop_nest): New.
3361 (compute_data_dependences_for_loop): Compute the loop nest, and give
3362 up if the nest is not well formed.
3363 * tree-data-ref.h (loop_p): New.
3364 (struct data_dependence_relation): Replace size_vect field with
3365 loop_nest, a vec of loops.
3366 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3367 (DDR_LOOP_NEST): New.
3368 (print_dir_vectors, print_dist_vectors,
3369 debug_data_dependence_relation): Declared.
3370 (index_in_loop_nest): New.
3371 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3372 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3375 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3377 * simplify-rtx.c (simplify_relational_operation): Call
3378 simplify_relational_operation_1 even if mode is VOIDmode.
3380 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3382 PR tree-optimization/26804
3383 * tree.h (DECL_CALL_CLOBBERED): New macro.
3384 (tree_decl_common): Add call_clobbered_flag.
3385 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3386 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3387 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3388 (mark_non_addressable): Ditto.
3389 * tree-ssa.c (verify_call_clobbered): New function.
3390 (verify_alias_info): Use it.
3391 * tree-pass.h (pass_reset_cc_flags): New prototype.
3392 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3393 (reset_cc_flags): New function.
3394 * passes.c (init_optimization_passes): Call reset_cc_flags after
3395 initializing referenced_vars.
3397 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3398 Roger Sayle <roger@eyesopen.com>
3401 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3402 to 1.0 for non-real operands. Implement A / A optimization for
3405 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3407 * config/i386/i386.c (size_cost): Correct the comment for
3408 cost of storing fp registers.
3409 (i386_cost): Likewise.
3410 (i486_cost): Likewise.
3411 (pentium_cost): Likewise.
3412 (pentiumpro_cost): Likewise.
3413 (k6_cost): Likewise.
3414 (athlon_cost): Likewise.
3415 (k8_cost): Likewise.
3416 (pentium4_cost): Likewise.
3417 (nocona_cost): Likewise.
3418 (generic64_cost): Likewise.
3419 (generic32_cost): Likewise.
3421 2006-03-24 Denis Chertykov <denisc@overta.ru>
3423 * config/avr/avr-protos.h (extra_constraint): Delete.
3424 (extra_constraint_Q): New declaration.
3425 * config/avr/constraints.md: New file.
3426 * config/avr/avr.md: Include it.
3427 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3428 (TMP_REGNO, ZERO_REGNO): Likewise.
3429 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3430 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3431 (extra_constraint): Delete.
3432 (extra_constraint_Q): Test for memory constraint 'Q'.
3433 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3434 (REG_CLASS_FROM_LETTER): Delete.
3435 (CONST_OK_FOR_LETTER_P): Delete.
3436 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3437 (EXTRA_CONSTRAINT): Delete.
3438 (TMP_REGNO): Delete.
3439 (ZERO_REGNO): Delete.
3441 2006-03-24 Jeff Law <law@redhat.com>
3443 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3444 directly. Call mark_new_vars_to_rename slightly earlier.
3446 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3448 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3450 (gen_compile_unit_die): Use new language types for Objective-C and
3452 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3453 DW_LANG_C_plus_plus.
3456 * config/t-darwin (crt3.o): Work around bug 26840.
3457 * config/darwin-crt3.c: Rewrite.
3458 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3460 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3462 * doc/invoke.texi: Document -femit-class-debug-always
3463 * common.opt: Add -femit-class-debug-always.
3465 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3467 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3468 index and base register.
3469 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3470 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3471 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3472 REGNO_OK_FOR_INDEX_P.
3473 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3475 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3476 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3477 REG_OK_FOR_BASE_P): Definitions removed.
3479 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3482 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3483 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3484 set yet or weren't marked as local yet.
3486 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3488 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3491 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3493 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3494 (rs6000_legitimate_small_data_p): Delete.
3495 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3496 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3497 and make static. Add forward declaration. Update uses.
3498 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3499 of offsettable_memref_p.
3500 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3501 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3503 2006-03-24 Jeff Law <law@redhat.com>
3505 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3506 around bug in immediate-use iterator.
3508 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3511 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3512 or __LITTLE_ENDIAN__.
3514 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3516 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3517 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3518 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3519 * config/sh/sh.opt (mdiv=): Amend description.
3520 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3521 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3522 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3523 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3524 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3525 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3526 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3527 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3528 TARGET_DIVIDE_CALL_FP.
3530 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3532 * haifa-sched.c (choose_ready): Fix type of the local variable.
3533 Move local variables. Add comment.
3534 (check_reg_live): Change signature. Make callable from debugger.
3535 * sched-int.h (check_reg_live): Update signature.
3536 * sched-ebb.c (check_reg_live): Update parameters.
3537 * sched-rgn.c (check_reg_live): Ditto.
3538 (region_head_or_leaf_p): Check pointer before dereferencing.
3539 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3540 before reload on optimization levels below 1.
3542 2006-03-23 Richard Henderson <rth@redhat.com>
3544 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3548 * config/alpha/predicates.md (local_symbolic_operand): Reject
3551 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3554 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3555 expressions which have overflowed constants.
3557 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3559 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3561 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3563 * cfgloopmanip.c (create_loop_notes): Removed.
3564 * final.c (final_scan_insn): Do not handle loop notes.
3565 * jump.c (squeeze_notes): Ditto.
3566 * cfglayout.c (skip_insns_after_block,
3567 duplicate_insn_chain): Ditto.
3568 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3570 * cfgloop.h (create_loop_notes): Declaration removed.
3572 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3574 * varasm.c (output_constant_pool): Restore fnname and fndecl
3576 (assemble_start_function): Adjust call accordingly.
3577 (assemble_end_function): Likewise.
3579 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3582 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3585 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3587 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3590 * system.h (ICE_EXIT_CODE): New macro.
3591 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3592 (diagnostic_action_after_output): Likewise.
3593 * gcc.c (fatal_ice): New function.
3594 (execute): Use it instead of fatal.
3595 (fancy_abort): Likewise.
3596 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3598 2006-03-22 Jeff Law <law@redhat.com>
3600 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3601 iv_analyze_result returning false.
3603 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3605 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3607 2006-03-22 Richard Henderson <rth@redhat.com>
3610 * except.c (duplicate_eh_regions_0): New.
3611 (duplicate_eh_region_1): Duplicate the children of the node as
3612 well as the node itself. Link them up properly.
3613 (duplicate_eh_region_2): Merge into ...
3614 (duplicate_eh_regions): ... here. Take copy_region argument, and
3615 copy only a sub-tree if asked. Simplify copying and fixup.
3616 (eh_region_outer_p): New.
3617 * except.h (duplicate_eh_regions): Update decl.
3618 (eh_region_outer_p): Declare.
3619 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3620 (lower_omp_master): Likewise.
3621 (lower_omp_ordered): Likewise.
3622 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3623 (move_stmt_r): Use it to remap labels. Handle recursion vs
3624 remap_decls_p properly.
3625 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3626 (find_outermost_region_in_block): New.
3627 (new_label_mapper): New.
3628 (move_sese_region_to_fn): Copy eh information to the new function
3630 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3632 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3635 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3637 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3638 into shared libraries.
3640 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3642 * doc/md.texi: Refer to i386/constraints.md instead of
3644 * config/i386/constraints.md: New file, extracted from...
3645 * config/i386/predicates.md: ...here.
3646 * config/i386/i386.md: Include constraints.md.
3648 2006-03-21 Jason Merrill <jason@redhat.com>
3650 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3653 * expr.c (init_block_move_fn): Force default visibility.
3654 (init_block_clear_fn): Likewise.
3655 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3656 * targhooks.c (default_external_stack_protect_fail): Likewise.
3658 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3660 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3661 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3662 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3663 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3664 (loadgp): Use mips_current_loadgp_style.
3665 (loadgp_noshared): New pattern.
3666 (sibcall_internal): Use MIPS_CALL.
3667 (sibcall_value_internal): Likewise.
3668 (sibcall_value_multiple_internal): Likewise.
3669 (call_internal): Likewise.
3670 (call_value_internal): Likewise.
3671 (call_value_multiple_internal): Likewise.
3672 (call_split): Use MIPS_CALL and add an 'S' constraint.
3673 (call_value_split): Likewise.
3674 (call_value_multiple_split): Likewise.
3675 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3676 (-mshared): New option.
3677 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3678 (mips_current_loadgp_style): Declare.
3679 * config/mips/mips.c (mips_classify_symbol): Avoid using
3680 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3681 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3682 TARGET_ABSOLUTE_ABICALLS.
3683 (override_options): Adjust comments. Improve the warning that is
3684 issued when -mabicalls and -G are used together.
3685 (mips_file_start): Remove comment.
3686 (mips_current_loadgp_style): New function.
3687 (mips_gnu_local_gp): New variable.
3688 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3690 (mips_output_function_prologue): Use mips_current_laodgp_style.
3691 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3692 the cprestore instruction.
3693 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3694 live for TARGET_ABSOLUTE_ABICALLS.
3695 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3696 (ASM_SPEC): Pass down -mshared and -mno-shared.
3697 (MIPS_CALL): New macro.
3698 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3700 * doc/invoke.texi (-mabicalls): Update documentation.
3701 (-mshared): Document.
3703 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3705 * config/ia64/unwind-hpux.c: New file.
3706 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3708 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3711 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3713 2006-03-21 Jeff Law <law@redhat.com>
3715 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3716 type conversions of a VR_VARYING source to a wider type.
3718 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3720 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3721 tm_file on Solaris 10 and later.
3722 (sparc64-*-solaris2*): Likewise.
3723 (sparc-*-solaris2*): Likewise.
3724 * config/sol26.h: Rename to config/sol2-6.h.
3725 * config/sol2-10.h: New file.
3727 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3730 * tree-ssa-pre.c (create_component_ref_by_pieces):
3733 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3736 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3737 return it immediately.
3739 2006-03-21 Michael Matz <matz@suse.de>
3741 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3743 (remove_arc, add_arc): Update num_out_arcs member.
3744 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3746 (cache_presence): New function.
3747 (compare_states_for_equiv): New function.
3748 (state_is_differed): Don't take number of outargs, adjust callers.
3749 Use new invariant for speeding up.
3750 (init_equiv_class): Create initial classes based on sorted
3752 (partition_equiv_class): Don't track out_arcs_num.
3753 (evaluate_equiv_classes): Call cache_presence on all states and
3756 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3758 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3759 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3760 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3761 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3763 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3764 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3765 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3766 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3767 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3769 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3770 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3771 (REGNO_REG_CLASS): ARGP is in PREGS.
3772 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3774 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3775 to deal with those addresses.
3776 * addresses.h: New file.
3777 * caller-save.c: Include "addresses.h".
3778 (init_caller_save): Use new base_reg_class function.
3779 * rtl-factoring.c: Include "addresses.h".
3780 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3781 * recog.c: Include "addresses.h".
3782 (preprocess_constraints): Use new base_reg_class function.
3783 * regrename.c: Include "addresses.h".
3784 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3785 functions. Keep track of a new var INDEX_CODE to compute valid
3787 (replace_oldest_value_addr): Likewise.
3788 (replace_oldest_value_mem): Use base_reg_class.
3789 * reload.c: Include "addresses.h".
3790 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3791 (find_reloads): Use new base_reg_class function.
3792 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3793 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3794 all callers and prototype changed.
3795 * reload1.c: Include "addresses.h".
3796 (maybe_fix_stack_asms): Use base_reg_class.
3797 * regclass.c: Include "addresses.h".
3798 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3799 (init_reg_autoinc): Use new base_reg_class function.
3800 (record_reg_classes): Likewise.
3801 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3802 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3803 Use new args to compute necessary class.
3805 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3806 regrename.o, rtl-factoring.o): Update dependencies.
3807 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3808 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3809 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3810 REG_OK_FOR_INDEX_P): Delete documentation.
3812 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3814 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3815 from V7 to V9 for Solaris 7 and above.
3817 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3819 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3820 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3821 argument pointers may not alias any other storage.
3822 * common.opt: Define option -fargument-noalias-anything.
3823 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3824 alias semantics is specified by flag_argument_noalias > 2.
3826 2006-03-20 Jeff Law <law@redhat.com>
3828 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3829 (pass_phi_only_cprop): Declare.
3830 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3832 * tree-ssa-dom.c (degenerate_phi_result): New function.
3833 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3834 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3835 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3836 (eliminate_degenerate_phis): Likewise.
3837 (pass_phi_only_cprop): New pass descriptor.
3838 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3839 support code. Callers updated.
3840 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3841 (store_copy_prop): Likewise.
3842 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3844 2006-03-20 Jason Merrill <jason@redhat.com>
3847 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3848 (push_visibility, pop_visibility): Likewise.
3849 * c-pragma.h: Declare them.
3851 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3853 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3855 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3856 parameter and use get_ebb_head_tail.
3857 (sh_md_init_global): Adjust uses of find_regmode_weight.
3859 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3861 * function.h (struct function) <x_tail_recursion_reentry>:
3862 Rename to x_stack_check_probe_note.
3863 (tail_recursion_reentry): Rename to stack_check_probe_note.
3864 * function.c: Replace tail_recursion_reentry with
3865 stack_check_probe_note everywhere.
3866 (expand_function_start): Only emit a note for
3867 stack_check_probe_note with -fstack-protect.
3868 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3870 * emit-rtl.c (remove_unnecessary_notes): Remove.
3871 (pass_remove_unnecessary_notes): Remove.
3872 * rtl.h (remove_unnecessary_notes): Remove prototype.
3873 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3874 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3875 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3877 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3880 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3881 (valid_in_set): Handle ARRAY_REF.
3882 Change "if min_variant or VH" to asserts.
3883 (create_component_ref_by_pieces): Handle ARRAY_REF.
3884 (create_expression_by_pieces): Likewise.
3885 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3887 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3889 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3890 is operand of switch, not str[0].
3892 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3894 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3895 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3897 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3899 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3900 end of insn_extra_address_constraint declaration.
3902 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3904 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3905 (no-sum-in-toc): Same.
3906 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3908 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3909 NO_FP_IN_TOC for -fPIC instead of mask.
3911 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3912 (BOOT_LDFLAGS): Delete.
3914 * config/rs6000/t-aix52: Same.
3916 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3917 (stmsi[345678]_power): New.
3919 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3921 * config/ia64/ia64.opt: Add empty line to end of file.
3923 2006-03-17 Richard Guenther <rguenther@suse.de>
3926 * builtins.c (get_pointer_alignment): For component style references
3927 adjust alignment to the component type alignment. Make sure
3928 to adjust alignment for component access of constants.
3930 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3932 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3935 2006-03-17 Paul Brook <paul@codesourcery.com>
3937 * doc/install.texi: Docuemnt --with-mode.
3938 * config.gcc: Add --with-mode for arm*-*-*.
3939 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3941 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3943 * sh.c (max_labelno_before_reorg): New variable.
3944 (sh_reorg): Initialize it.
3945 (find_barrier): Check max_labelno_before_reorg before using
3946 label_to_alignment. Take length of explicit alignment insns
3947 into account. When seeing a UNSPECV_CONST_END, return it.
3949 * sh.c (fixup_mova): Set mode of affected label to QImode.
3950 (untangle_mova): New function.
3951 (find_barrier): Use it. Check mode of label before decrementing
3953 (sh_reorg): Likewise.
3954 Set mode of all insns back to VOIDmode.
3956 * sh.c (MOVA_LABELREF): New macro.
3957 (mova_p, fixup_mova, sh_reorg): Use it.
3958 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3959 ADDR_DIFF_VEC matches mova.
3961 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3963 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3964 with ATTRIBUTE_UNUSED.
3966 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3968 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3969 pointer, instead of assuming it is possible to derive the
3970 correct args size from a call insn.
3972 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3974 * rtl.h (CONST_INT_P): Define.
3975 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3976 instead of GET_CODE(x) == CONST_INT.
3977 (vax_rtx_costs): Likewise.
3978 (vax_output_int_move): Likewise.
3979 (vax_output_int_add): Likewise.
3980 (legitimate_constant_address_p): Likewise.
3981 (index_term_p): Likewise.
3982 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3983 * config/vax/vax.md (and<mode>3): Likewise.
3984 (ashrsi3): Likewise.
3986 (movstricthi): Likewise.
3987 (movstrictqi): Likewise.
3988 (rotrsi3): Likewise.
3989 (five unnamed insns): Likewise.
3991 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3993 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3994 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3995 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3996 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3997 Pass to ASM_OUTPUT_DWARF_OFFSET.
3998 * dwarf2out.c (debug_frame_section): New.
3999 (output_call_frame_info): Use debug_frame_section. Pass it to
4000 dw2_asm_output_offset.
4001 (output_die): Pass appropriate section to dw2_asm_output_offset.
4002 (output_compilation_unit_header): Likewise.
4003 (output_pubnames): Likewise.
4004 (output_aranges): Likewise.
4005 (enum dw_val_class): Break dw_val_class_lbl_offset into
4006 dw_val_class_lineptr and dw_val_class_macptr.
4007 (add_AT_lbl_offset): Delete.
4008 (add_AT_lineptr): New.
4009 (add_AT_macptr): New.
4010 (AT_lbl): Expect a lineptr or macptr.
4011 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
4012 (attr_checksum): Likewise.
4013 (same_dw_val_p): Likewise.
4014 (size_of_die): Likewise.
4015 (value_format): Likewise.
4016 (output_die): Likewise.
4017 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
4019 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4020 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
4021 * config/darwin-protos.h (darwin_file_start): New.
4022 (darwin_asm_output_dwarf_offset): New.
4023 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
4024 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
4026 * config/darwin.c (darwin_emit_unwind_label): Don't output label
4027 if not EH section; simplify.
4028 (darwin_file_start): New.
4029 (darwin_asm_output_dwarf_offset): New.
4030 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
4032 (DEBUG_INFO_SECTION): Likewise.
4033 (DEBUG_ABBREV_SECTION): Likewise.
4034 (DEBUG_ARANGES_SECTION): Likewise.
4035 (DEBUG_MACINFO_SECTION): Likewise.
4036 (DEBUG_LINE_SECTION): Likewise.
4037 (DEBUG_LOC_SECTION): Likewise.
4038 (DEBUG_PUBNAMES_SECTION): Likewise.
4039 (DEBUG_STR_SECTION): Likewise.
4040 (DEBUG_RANGES_SECTION): Likewise.
4041 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
4042 (ASM_OUTPUT_DWARF_OFFSET): New.
4044 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
4046 * config.gcc (tm_defines): Always add to previous value rather
4049 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4051 * config/mips/predicates.md (splittable_const_int_operand): New,
4052 split from move_operand.
4053 (splittable_symbolic_operand): New.
4054 (move_operand): Add commentary. Use splittable_const_int_operand.
4055 Inline mips_atomic_symbolic_constant_p.
4056 * config/mips/mips.md: Add combine splitters for handling moves
4057 of splittable_const_int_operands and splittable_symbolic_operands.
4058 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4059 (mips_split_symbol): Declare.
4060 (mips_move_integer): Declare.
4061 * config/mips/mips.c (mips_split_p): Make global.
4062 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4063 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4064 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4065 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4066 (mips_offset_within_object_p): Handle block symbols.
4067 (mips_atomic_symbolic_constant_p): Delete.
4068 (mips_cannot_force_const_mem): Return false for constants that
4069 mips_legitimize_move can handle.
4070 (mips_use_blocks_for_constant_p): New function.
4071 (mips_split_symbol): Make global.
4072 (mips_move_integer): Likewise. Add a temporary register argument.
4073 (mips_legitimize_const_move): Use splittable_const_int_operand and
4074 splittable_symbolic_operand.
4075 (mips_use_anchors_for_symbol_p): New function.
4076 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4077 (mips_split_p): Declare.
4079 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4081 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4082 (mips*-*-linux*): Likewise.
4084 2006-03-16 Roger Sayle <roger@eyesopen.com>
4085 Daniel Speyer <dspeyer@wam.umd.edu>
4088 * tree-dump.c (dump_real): New function.
4089 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4090 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4091 (tree-dump.o): Add $(REAL_H) to the dependencies.
4093 2006-03-16 Roger Sayle <roger@eyesopen.com>
4096 * real.c (real_from_string): If the mantissa is zero, don't bother
4097 parsing the exponent as the result should always be zero.
4099 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4101 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4103 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4105 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4106 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4107 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4108 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4109 ia64_sched_finish_global): New static functions to implement
4110 hooks from gcc_target.sched.
4111 (spec_check_no, max_uid, pending_data_specs): New static variables.
4112 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4113 ia64_spec_check_src_p): New static functions.
4114 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4115 (TARGET_SCHED_ADJUST_COST): Removed.
4116 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4117 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4118 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4119 TARGET_SCHED_GEN_CHECK,
4120 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4121 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4122 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4123 Fixed to handle speculation checks.
4124 (rtx_needs_barrier): Fixed to handle speculative loads and
4126 (ia64_variable_issue): Added code to count speculative loads and their
4128 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4130 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4132 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4134 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4135 (ia64_reorg): Reset stops_p to NULL after it is freed.
4136 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4137 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4138 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4140 (data_speculative, control_speculative, check_load): New attributes.
4141 (mov<mode>_advanced, mov<mode>_speculative,
4142 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4143 zero_extend<mode>di2_speculative,
4144 zero_extend<mode>di2_speculative_advanced): New patterns for
4145 data and control speculative loads.
4146 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4148 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4149 New pattern for data and control speculation checks.
4150 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4151 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4152 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4153 Auxiliary definitions for the patterns.
4154 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4155 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4157 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4159 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4160 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4161 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4162 New resource constraints.
4163 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4165 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4166 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4167 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4168 msched-in-control-spec, msched-ldc, msched-control-ldc,
4169 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4170 msched-prefer-non-control-spec-insns,
4171 msched-count-spec-in-critical-path): New flags to tune speculative
4173 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4174 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4175 msched-in-control-spec, msched-ldc, msched-control-ldc,
4176 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4177 msched-prefer-non-control-spec-insns,
4178 msched-count-spec-in-critical-path): Document new flags.
4180 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4182 * target.h (struct spec_info_def): New opaque declaration.
4183 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4184 speculate_insn, needs_block_p, gen_check,
4185 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4186 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4187 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4188 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4189 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4190 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4192 (TARGET_SCHED): Use new macros.
4193 * rtl.h (copy_DEPS_LIST_list): New prototype.
4194 * sched-int.h (struct sched_info): Change signature of new_ready field,
4195 adjust all initializations. New fields: add_remove_insn,
4196 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4197 region_head_or_leaf_p.
4198 (struct spec_info_def): New structure declaration.
4199 (spec_info_t): New typedef.
4200 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4201 recovery_block, orig_pat.
4202 (glat_start, glat_end): New variables declaraions.
4203 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4205 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4206 DETACH_LIFE_INFO, USE_GLAT.
4207 (enum SPEC_SCHED_FLAGS): New enumeration.
4208 (NOTE_NOTE_BB_P): New macro.
4209 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4210 attach_life_info, debug_spec_status, check_reg_live): New functions.
4211 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4212 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4214 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4215 * ddg.c (get_block_head_tail): Adjust all uses.
4216 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4217 (sms_sched_info): Initialize new fields.
4218 (contributes_to_priority): Removed.
4219 * haifa-sched.c (params.h): New include.
4220 (get_block_head_tail): Adjust all uses.
4221 (ISSUE_POINTS): New macro.
4222 (glat_start, glat_end): New global variables.
4223 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4224 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4225 old_last_basic_block, before_recovery, current_sched_info_var,
4226 rgn_n_insns, luid): New static variables.
4227 (insn_cost1): New function. Move logic from insn_cost to here.
4228 (find_insn_reg_weight1): New function. Move logic from
4229 find_insn_reg_weight to here.
4230 (reemit_notes, move_insn, max_issue): Change signature.
4231 (move_insn1): Removed.
4232 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4233 extend_bb): New static functions to support extension of scheduler's
4235 (generate_recovery_code, process_insn_depend_be_in_spec,
4236 begin_speculative_block, add_to_speculative_block,
4237 init_before_recovery, create_recovery_block, create_check_block_twin,
4238 fix_recovery_deps): New static functions to support
4239 generation of recovery code.
4240 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4241 restore_bb_notes, move_block_after_check, move_succs): New static
4242 functions to support ebb scheduling.
4243 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4244 functions to support handling of register live information.
4245 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4246 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4247 add_jump_dependencies): New static functions.
4248 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4249 consistancy checking.
4250 (debug_spec_status): New function to call from debugger.
4251 (priority): Added code to handle speculation checks.
4252 (rank_for_schedule): Added code to distinguish speculative instructions.
4253 (schedule_insn): Added code to handle speculation checks.
4254 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4255 Fixed to handle ebbs.
4256 (move_insn): Added code to handle ebb scheduling.
4257 (max_issue): Added code to use ISSUE_POINTS of instructions.
4258 (choose_ready): Added code to choose between speculative and
4259 non-speculative instructions.
4260 (schedule_block): Added code to handle ebb scheduling and scheduling of
4261 speculative instructions.
4262 (sched_init): Initialize new variables.
4263 (sched_finish): Free new variables. Print statistics.
4264 (try_ready): Added code to handle speculative instructions.
4265 * lists.c (copy_DEPS_LIST_list): New function.
4266 * sched-deps.c (extend_dependency_caches): New function. Move logic
4267 from create_dependency_caches to here.
4268 (get_dep_weak, ds_merge): Make global.
4269 * genattr.c (main): Code to output prototype for
4270 dfa_clear_single_insn_cache.
4271 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4272 (output_dfa_clean_insn_cache_func): Code to output
4273 dfa_clear_single_insn_cache function.
4274 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4276 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4278 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4279 New static variables.
4280 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4281 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4283 (ebb_sched_info): Initialize new fields.
4284 (get_block_head_tail): Adjust all uses.
4285 (compute_jump_reg_dependencies): Fixed to use glat_start.
4286 (schedule_ebb): Code to remove unreachable last block.
4287 (schedule_ebbs): Added code to update register live information.
4288 * sched-rgn.c (region_sched_info): Initialize new fields.
4289 (get_block_head_tail): Adjust all uses.
4290 (last_was_jump): Removed. Adjust users.
4291 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4292 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4293 Implement new hooks.
4294 (check_dead_notes1): New static function.
4295 (struct region): New fields: dont_calc_deps, has_real_ebb.
4296 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4297 (BB_TO_BLOCK): Fixed to handle EBBs.
4298 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4299 (ebb_head): New static variable.
4300 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4301 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4303 (compute_dom_prob_ps): New assertion.
4304 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4305 global_live_at_start.
4306 (init_ready_list): New assertions.
4307 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4308 (new_ready): Add support for BEGIN_CONTROL speculation.
4309 (schedule_insns): Fixed code that updates register live information
4311 (schedule_region): Fixed to handle EBBs.
4312 (init_regions): Use extend_regions and check_dead_notes1.
4313 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4314 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4315 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4316 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4317 TARGET_SCHED_GEN_CHECK,
4318 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4319 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4320 * doc/invoke.texi (max-sched-insn-conflict-delay,
4321 sched-spec-prob-cutoff): Document.
4323 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4325 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4326 inter_tick, queue_index.
4327 (struct sched_info): Change signature of init_ready_list field.
4328 Adjust all initializations.
4329 (RESOLVED_DEPS): New access macro.
4330 (ready_add): Remove prototype.
4331 (try_ready): Add prototype.
4332 * sched-rgn.c (init_ready_list): Use try_ready.
4333 (schedule_region): Initialize
4334 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4335 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4336 (init_ready_list): Use try_ready.
4337 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4338 * lists.c (remove_list_elem): Remove `static'.
4339 (remove_free_INSN_LIST_elem): New function.
4340 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4341 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4342 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4344 (readyp): New variable.
4345 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4346 change_queue_index, resolve_dep): New static functions.
4347 (try_ready): New function. Adjust callers in sched-rgn.c and
4348 sched-ebb.c to use it instead of ready_add.
4349 (clock_var): Move at the begining of file.
4350 (rank_for_schedule): Fix typo.
4351 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4352 (ready_lastpos): Enforce assertion.
4353 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4355 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4356 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4357 (queue_to_ready): Use free_INSN_LIST_list.
4358 (early_queue_to_ready): Fix typo.
4359 (schedule_block): Init readyp. Move init_ready_list call after the
4360 initialization of clock_var. Fix error in rejecting insn by
4361 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4362 that previously corrected INSN_TICKs. Add code for handling
4364 (set_priorities): Fix typo.
4365 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4366 Clarify comment and code that keeps current_sched_info->next_tail
4369 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4371 * sched-rgn.c (extend_rgns): New static function.
4372 (find_rgns): Use it.
4373 (gather_region_statistics, print_region_statistics): New static
4375 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4376 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4378 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4379 Andrey Belevantsev <abel@ispras.ru>
4381 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4382 * lists.c (unused_deps_list): New variable.
4383 (free_list): Add assertions to verify the proper distinguishing
4384 between INSN_LISTs and DEPS_LISTs.
4385 (find_list_elem, remove_list_elem, remove_list_node): New static
4387 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4388 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4389 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4390 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4392 (free_INSN_LIST_node): Likewise.
4393 * modulo-sched.c (current_sched_info): Initialize flags field.
4394 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4395 * rtl.def (DEPS_LIST): Define.
4396 * rtl.h: Declare new functions from lists.c.
4397 * sched-deps.c (spec_dependency_cache): New static variable.
4398 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4399 (add_dependence): Change return type to void. Move the logic to ...
4400 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4401 (delete_all_dependences): Add comment about forward_dependency_cache.
4402 Handle spec_dependency_cache. Handle DEPS_LISTs.
4403 (fixup_sched_groups): Clarify the change of priority of output
4404 and anti dependencies.
4405 (sched_analyze_2): Adjust add_dependence calls to create data
4406 speculative dependence.
4407 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4408 Adjust all callers. Handle DEPS_LISTS.
4409 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4410 presence of speculation.
4411 (init_dependency_caches, free_dependency_caches):
4412 Handle spec_dependency_cache.
4413 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4414 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4415 New static functions.
4416 (add_or_update_back_dep, add_or_update_back_forw_dep,
4417 add_back_forw_dep, delete_back_forw_dep): New functions.
4418 * sched-int.h (ds_t, dw_t): New typedefs.
4419 (struct sched_info): Add new field flags.
4420 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4421 Prototype new sched-deps.c functions.
4422 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4423 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4424 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4425 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4426 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4427 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4429 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4431 * sched-rgn.c (current_sched_info): Initialize flags field.
4432 (schedule_insns): Initialize current_sched_info before the sched_init
4434 * sched-ebb.c (current_sched_info): Initialize flags field.
4435 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4436 Call add_or_update_back_dep instead of add_dependence.
4437 Create control speculative dependencies.
4438 (schedule_insns): Initialize current_sched_info before the sched_init
4441 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4443 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4445 (sh_fallback_frame_state): Likewise.
4447 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4449 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4450 Do switch on default_use_cxa_atexit.
4451 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4452 * config/darwin-crt3.o: New.
4453 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4454 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4455 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4457 * config/rs6000/t-darwin: Move crt2.o building to here.
4458 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4459 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4462 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4464 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4465 from '! xxx' to '!xxx' for coding-style conformance.
4466 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4467 (EXTRA_CONSTRAINT): Likewise.
4468 * config/vax/vax.md (four unnamed insns): Likewise.
4470 2006-03-15 Paul Brook <paul@codesourcery.com>
4472 * config/arm/arm.c (minipool_pad): New.
4473 (add_minipool_forward_ref): Include pool alignment padding in address
4475 (push_minipool_fix): Set minipool_pad.
4476 (minipool_pad): Ditto.
4478 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4480 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4481 instead of GET_CODE() == MEM and REG_P() instead of
4483 (print_operand_address): Likewise.
4484 (vax_address_cost): Likewise.
4485 (vax_rtx_costs): Likewise.
4486 (vax_notice_update_cc): Likewise.
4487 (vax_output_int_add): Likewise.
4488 (INDEX_REGISTER_P): Likewise.
4489 (BASE_REGISTER_P): Likewise.
4490 (nonindexed_address_p): Likewise.
4491 (vax_mode_dependent_address_p): Likewise.
4492 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4493 (PRINT_OPERAND): Likewise.
4494 * config/vax/vax.md (ashlsi3): Likewise.
4495 (ashlsi3): Likewise.
4496 (some more unnamed insns): Likewise.
4498 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4500 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4501 iterator-style macro.
4502 (mark_control_dependent_edges_necessary): Update the use of
4503 EXECUTE_IF_CONTROL_DEPENDENT.
4505 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4507 * config/sh/predicates.md (cache_address_operand): Special.
4508 (ua_address_operand): Likewise.
4510 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4512 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4514 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4516 2006-03-15 Andreas Schwab <schwab@suse.de>
4518 * gensupport.c (identify_predicable_attribute): Don't free p_false
4519 when it is still in use.
4521 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4523 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4524 the default setting here.
4526 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4528 * tree-pass.h (pass_cfg): Remove.
4529 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4530 * passes.c (pass_cfg): Don't run it.
4532 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4534 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4535 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4537 (stack_regs_mentioned): Update the uses of
4538 stack_regs_mentioned_data. Don't access the array beyond its
4540 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4541 Don't include gt-reg-stack.h.
4543 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4544 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4546 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4549 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4552 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4554 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4556 2006-03-14 Richard Guenther <rguenther@suse.de>
4558 PR tree-optimization/26672
4559 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4562 2006-03-14 Richard Guenther <rguenther@suse.de>
4564 PR tree-optimization/26667
4565 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4566 node for the callees. Always allow inlining if it will shrink
4569 2006-03-14 Richard Guenther <rguenther@suse.de>
4572 * builtins.c (get_pointer_alignment): Prefer alignment
4573 information from decls over that from types.
4575 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4578 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4580 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4582 * config/rs6000/rs6000.opt (mdlmzb): New option.
4583 (msched-prolog, msched-epilog): Use Var not Mask.
4584 * doc/invoke.texi (-mdlmzb): Document.
4585 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4587 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4588 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4590 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4592 PR rtl-optimization/25739
4593 * bt-load.c (augment_live_range): Free tos pointer.
4595 * gensupport.c (identify_predicable_attribute): Free
4597 * gcov.c (create_file_names): Free name pointer.
4599 2006-03-13 Roger Sayle <roger@eyesopen.com>
4602 * stmt.c (emit_case_nodes): Handle the case where the index is a
4603 CONST_INT, where the comparison mode is specified by the index type.
4605 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4607 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4610 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4612 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4613 (*branch_fp_inverted): Likewise.
4615 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4618 * omp-low.c (expand_omp_for_generic): Mark istart0
4619 and iend0 as addressable.
4621 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4623 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4625 2006-03-13 Jeff Law <law@redhat.com>
4627 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4628 virtual operands are interesting.
4629 (vrp_visit_stmt): Corresponding changes.
4631 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4633 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4635 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4636 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4637 * config/bfin/crti.S: Use it instead of __PIC__.
4638 * config/bfin/crtn.S: Likewise.
4640 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4641 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4643 Lose 'G' modifier for call operand.
4644 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4645 recognize 'G' modifier.
4647 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4650 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4651 * stmt.c (expand_case): Likewise.
4653 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4655 PR rtl-optimization/26254
4656 * loop-invariant.c (seq_insns_valid_p): New function.
4657 (move_invariant_reg): Only emit new code if it is valid.
4659 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4661 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4663 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4664 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4665 (commit_one_edge_insertion): Do not look for loop notes.
4667 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4669 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4670 flag_test_coverage out of loop.
4672 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4674 * final.c (shorten_branches): Remove outdated comment, and turn
4675 the if branch that guards it to continue.
4677 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4679 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4680 * cfgloop.h (struct loop): Remove unused fields.
4682 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4684 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4685 (-dL, -fdump-rtl-loop2): Update the dump file names
4687 * doc/invoke.texi: Update dump file names.
4689 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4691 * predict.c (estimate_probability): Remove.
4692 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4693 * basic-block.h (estimate_probability): Remove prototype.
4694 * passes.c (finish_optimization_passes): Dump branch prediction or
4695 profiling heuristics to the .profile tree dump.
4696 (init_optimization_passes): Unqueue pass_branch_prob.
4698 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4700 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4702 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4703 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4705 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4707 * function.h (frame_offset_overflow): Declare.
4708 * function.c (frame_offset_overflow): New function.
4709 (assign_stack_local_1): Call it to detect that the offset overflows.
4710 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4712 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4714 * config/sh/sh.c: Include alloc-pool.h.
4715 (label_ref_list_pool): New alloc pool.
4716 (label_ref_list_t): New type for lists of labels.
4717 (struct pool_node): Make wend a label_ref_list_t.
4718 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4720 (dump_table): Likewise.
4721 (sh_reorg): Set up the alloc pool before using add_constant and
4722 dump_table, and destroy it when finishing.
4724 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4726 * config/mips/mips.c: Remove redundant comment.
4728 2006-03-10 Jason Merrill <jason@redhat.com>
4731 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4732 the target was declared 'register'.
4734 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4736 * genpreds.c (write_insn_constraint_len): Change definition of
4737 insn_constraint_len to return size_t to match the declaration.
4739 2006-03-10 DJ Delorie <dj@redhat.com>
4741 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4743 (m32c_expand_insv): Fix test for an AND mask.
4745 2006-03-10 Richard Guenther <rguenther@suse.de>
4748 * builtins.c (get_pointer_alignment): Handle component
4749 references for field alignment.
4751 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4753 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4754 when building with libgloss.
4755 (sh*elf): Implement --without-fp option.
4756 (sh64-superh-linux*): Don't multilib.
4758 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4760 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4762 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4764 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4765 Set it when one of the replacement functions returned true.
4766 Return TODO_cleanup_cfg if cfgchanged is true.
4767 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4769 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4771 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4772 instead of gen_lowpart.
4774 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4776 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4778 (mips_output_order_conditional_branch): Declare.
4779 * config/mips/mips.h (MIPS_BRANCH): New macro.
4780 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4781 for the comparison. Use gen_condjump.
4782 (mips_output_conditional_branch): Rework interface to take the
4783 asm templates for a direct branch and the inverse of a direct branch.
4784 (mips_output_order_conditional_branch): New function.
4785 (mips_builtin_branch_and_move): New function.
4786 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4787 branch condition. Use gen_single_cc as the condition for
4788 __builtin_mips_upper_* or __builtin_mips_lower_*.
4789 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4790 Use VOIDmode for the branch condition.
4791 * config/mips/predicates.md (order_operator): New predicate.
4792 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4793 (branch_fp): Rename to...
4794 (*branch_fp): ...this. Remove mode from comparison operator.
4795 Use new mips_output_conditional_branch interface.
4796 (branch_fp_inverted): Rename to...
4797 (*branch_fp_inverted): ...this and update as for *branch_fp.
4798 (*branch_zero<mode>): Rename to...
4799 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4800 Use mips_output_order_conditional_branch. Only accept ordered
4802 (*branch_zero<mode>_inverted): Rename to...
4803 (*branch_order<mode>_inverted): ...this and update as for
4804 *branch_order<mode>.
4805 (*branch_equality<mode>): Accept zero as the second operand to
4806 the equality operator. Use the new mips_output_conditional_branch
4808 (*branch_equality<mode>_inverted): Likewise.
4809 (condjump): New expander.
4810 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4812 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4813 (bc1any2t, bc1any2f): Likewise.
4814 (single_cc): New expander.
4815 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4817 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4819 * doc/md.texi: Update documentation of MIPS constraints.
4820 * config/mips/constraints.md: New file.
4821 * config/mips/mips.md: Include it.
4822 * config/mips/mips.c (mips_char_to_class): Delete.
4823 (override_options): Don't initialize mips_char_to_class.
4824 * config/mips/mips.h (mips_char_to_class): Delete.
4825 (REG_CLASS_FROM_LETTER): Delete.
4826 (CONST_OK_FOR_LETTER_P): Delete.
4827 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4828 (EXTRA_CONSTRAINT_Y): Delete.
4829 (EXTRA_CONSTRAINT_STR): Delete.
4830 (CONSTRAINT_LEN): Delete.
4831 (EXTRA_MEMORY_CONSTRAINT): Delete.
4833 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4835 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4836 original fn's eh regions.
4838 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4840 * fold-const.c (build_range_check): Make sure to use a valid type to
4841 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4844 (range_predecessor): New static function.
4845 (range_successor): Likewise.
4846 (merge_ranges): Use them to compute predecessors and successors of
4849 2006-03-09 Roger Sayle <roger@eyesopen.com>
4852 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4853 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4855 2006-03-08 DJ Delorie <dj@redhat.com>
4857 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4858 (addpsi3): Expand to include memory operands. Remove
4859 reload-specific splits.
4860 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4861 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4862 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4863 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4864 (shift1_qi, shift1_hi, insv): New.
4865 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4866 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4867 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4869 * config/m32c/m32c-protos.h: Update as needed.
4870 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4871 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4872 Fail for unrecognized R* constraints.
4873 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4874 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4875 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4877 (m32c_init_libfuncs): New.
4878 (m32c_legitimate_address_p): Add debug wrapper.
4879 (m32c_rtx_costs): New.
4880 (m32c_address_cost): New.
4881 (conversions): Add 'B' prefix.
4882 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4883 operands, or word regnames for QI operands. 'B' prints bit
4885 (m32c_expand_setmemhi): New.
4886 (m32c_expand_movmemhi): New.
4887 (m32c_expand_movstr): New.
4888 (m32c_expand_cmpstr): New.
4889 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4890 (m32c_expand_neg_mulpsi3): Handle non-ints.
4891 (m32c_cmp_flg_0): New.
4892 (m32c_expand_movcc): New.
4893 (m32c_expand_insv): New.
4894 (m32c_scc_pattern): New.
4895 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4896 a0/a1 out of SIregs.
4897 (STORE_FLAG_VALUE): New.
4898 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4901 * config/m32c/mov.md: Make constraints more liberal.
4902 (zero_extendqihi2): Optimize r0/r1 case.
4903 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4904 * config/m32c/predicates.md (m32c_any_operand): New.
4905 (m32c_nonimmediate_operand): New.
4906 (m32c_hl_operand): New.
4907 (m32c_r3_operand): New.
4910 (memsym_operand): New.
4911 (memimmed_operand): New.
4912 (a_qi_operand): New.
4913 (m32c_eqne_operator): New.
4914 (m32c_1bit8_operand): New.
4915 (m32c_1bit16_operand): New.
4916 (m32c_1mask8_operand): New.
4917 (m32c_1mask16_operand): New.
4918 * config/m32c/blkmov.md: New file.
4919 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4921 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4923 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4924 unsigned to fix signed/unsigned comparison issue in
4925 DWARF2_FRAME_REG_OUT.
4926 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4927 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4929 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4930 of ptr into the ENABLE_CHECKING section.
4932 2006-03-08 Jeff Law <law@redhat.com>
4934 * tree-vrp.c (infer_value_range): Only count pointer uses
4935 and dereferences if -fdelete-null-pointer-checks is enabled.
4937 * tree-vrp.c (find_assert_locations): Infer value ranges for
4938 single use pointers, but do not create ASSERT_EXPRs for them.
4939 When a non-null range is inferred for a pointer, backwards
4940 propagate that range to other equivalent pointers through the
4943 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4946 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4947 language hook targets.
4948 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4949 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4950 if language hook targets were missing.
4952 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4954 * tree-ssa-opfinalize.h: Removed.
4955 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4957 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4958 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4959 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4960 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4961 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4962 finalize_ssa_v_must_def_ops): New.
4964 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4966 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4969 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4971 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4973 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4974 addresses with offsets; reorganize.
4976 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4977 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4978 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4980 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4983 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4985 2006-03-08 Ben Elliston <bje@au.ibm.com>
4987 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4989 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4992 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4995 2006-03-07 Richard Guenther <rguenther@suse.de>
4997 PR tree-optimization/26587
4998 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
5000 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5002 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
5004 2006-03-07 Richard Sandiford <richard@codesourcery.com>
5006 * hooks.c (hook_bool_mode_rtx_true): New function.
5007 * hooks.h (hook_bool_mode_rtx_true): Declare.
5008 * toplev.c (compile_file): Call output_shared_constant_pool.
5009 * varasm.c (shared_constant_pool): New variable.
5010 (assemble_start_function, assemble_end_function): Remove arguments
5011 from call to output_constant_pool.
5012 (create_constant_pool): New function, split out from...
5013 (init_varasm_status): ...here.
5014 (force_const_mem): Choose between the shared and per-function constant
5015 pools. Set current_function_uses_const_pool when reusing old entries
5016 as well as when creating new ones.
5017 (mark_constant): Ignore data argument.
5018 (mark_constants): Remove pool argument.
5019 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
5020 to decide whether the function uses a constant pool.
5021 (output_constant_pool_contents): New function, split out from...
5022 (output_constant_pool): ...here.
5023 (output_shared_constant_pool): New function.
5024 (init_varasm_once): Initialize shared_constant_pool.
5025 * output.h (output_constant_pool): Delete.
5026 (output_shared_constant_pool): Declare.
5027 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
5028 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
5030 2006-03-06 Nick Clifton <nickc@redhat.com>
5032 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
5033 flag_strength_reduce.
5035 2006-03-06 Ben Elliston <bje@au.ibm.com>
5037 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
5038 x86_64-*-linux* configurations.
5040 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
5041 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
5043 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5045 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
5047 * basic-block.h: Remove the extern for
5048 rediscover_loops_after_threading.
5050 * cfgloop.c (cancel_loop): Make it static.
5051 * cfgloop.h: Remove the prototype for cancel_loop.
5053 * flow.c (recompute_reg_usage): Make it static.
5054 * rtl.h: Remove the prototype for recompute_reg_usage.
5056 * function.c (use_return_register): Make it static.
5057 * function.h: Remove the prototype.
5059 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5061 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5063 * recog.h: Remove the prototype for
5064 validate_change_maybe_volatile.
5066 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5068 * rtlanal.c (replace_reg): Remove.
5069 * rtl.h: Remove the prototype for replace_reg.
5071 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5073 * regclass.c (reg_scan_update): Remove.
5074 (reg_scan_mark_refs): Remove the last argument.
5075 * rtl.h: Remove the prototype for reg_scan_update.
5077 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5079 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5080 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5081 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5082 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5083 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5084 loop-invariant.c, omp-low.c, opts.c, passes.c,
5085 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5086 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5087 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5088 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5089 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5090 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5092 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5094 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5095 * dwarf2out.h: Remove the prototype for
5096 dwarf2out_add_library_unit_info.
5098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5100 * tree.c (add_var_to_bind_expr): Remove.
5101 * tree.h: Remove the prototype for add_var_to_bind_expr.
5103 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5105 * regclass.c (n_non_fixed_regs): Remove.
5106 (init_reg_sets_1, globalize_reg): Remove all uses of
5108 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5112 * rtlanal.c (insns_safe_to_move_p): Remove.
5113 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5117 * expmed.c (expand_mult_add): Remove.
5118 * expr.h: Remove the prototype for expand_mult_add.
5120 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5122 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5123 and REG_SAVED_VAL_EXP constants.
5124 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5125 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5126 Handle regs stored by value.
5127 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5128 (execute_cfa_program): Handle DW_CFA_val_offset,
5129 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5130 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5131 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5132 (uw_install_context_1): Handle target regs stored by value.
5134 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5136 * tree-sra.c (tree_sra): Return todoflags;
5137 (generate_one_element): Set TODO_update_smt_usage if needed.
5138 (pass_sra): Remove TODO_update_smt_usage.
5139 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5141 (tree_ssa_forward_propagate_single_use_vars): Return
5142 TODO_update_smt_usage if we need to update SMT usage.
5143 (pass_forwprop): Remove TODO_update_smt_usage.
5145 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5147 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5148 (correct_use_link): Remove reference to get_stmt_operands.
5149 (update_stmt_operands): Likewise.
5150 (get_modify_expr_operands): New function factored out of
5151 parse_ssa_operands and get_expr_operands.
5152 Try to create V_MUST_DEFs for LHS by default.
5153 (get_expr_operands) <case MODIFY_EXPR>: Call
5154 get_modify_expr_operands.
5155 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5156 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5157 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5158 get_modify_expr_operands.
5160 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5162 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5163 * tree-flow.h: Remove the prototype for
5164 referenced_var_lookup_if_exists.
5166 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5168 PR rtl-optimization/26345
5170 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5172 2006-03-03 Roger Sayle <roger@eyesopen.com>
5174 PR tree-optimization/26524
5175 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5176 fold_convert to create a constant of the appropriate type.
5178 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5180 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5181 SYMBOL_REF_IN_BLOCK_P.
5182 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5183 of SYMBOL_FLAG_IN_BLOCK.
5184 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5185 instead of SYMBOL_REF_IN_BLOCK_P.
5186 * explow.c (use_anchored_address): Likewise.
5187 * rtl.c (rtx_size): Likewise.
5188 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5189 instead of SYMBOL_FLAG_IN_BLOCK.
5190 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5191 SYMBOL_REF_IN_BLOCK_P.
5192 (assemble_variable): Likewise.
5193 (output_constant_def_contents): Likewise.
5194 (output_constant_pool): Likewise.
5195 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5196 instead of SYMBOL_FLAG_IN_BLOCK.
5197 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5198 SYMBOL_REF_IN_BLOCK_P.
5199 (SYMBOL_REF_BLOCK): Likewise.
5200 (SYMBOL_REF_OFFSET): Likewise.
5201 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5202 SYMBOL_REF_IN_BLOCK_P.
5203 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5204 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5205 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5206 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5208 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5210 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5212 2006-03-02 Roger Sayle <roger@eyesopen.com>
5214 * simplify-rtx.c (simplify_unary_operation): When simplifying
5215 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5216 that we perform the right shift in the appropriate mode, and
5217 then extend or truncate the result to requested mode.
5219 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5221 * gengtype.c (main): Handle double_int type.
5222 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5223 * double-int.c: New file.
5224 * double-int.h: New file.
5225 * system.h: Include doubleint.h.
5226 * Makefile.in (SYSTEM_H): Include double-int.h.
5227 (double-int.o): Add.
5229 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5232 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5235 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5237 * tree-vrp.c (remove_range_assertions): Do not update statements
5240 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5242 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5244 * gcse.c (rest_of_handle_gcse): Ditto.
5245 * except.c (gate_handle_eh): Ditto.
5246 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5247 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5249 2006-03-02 Eric Christopher <echristo@apple.com>
5251 * config/i386/i386.c (machopic_output_stub): Add indirection to
5254 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5258 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5260 Sun Niagara specific optimizations.
5261 * config.gcc: Recognize niagara as target.
5262 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5263 (TARGET_CPU_niagara): Define.
5264 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5265 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5266 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5267 (ASM_CPU_SPEC): Likewise.
5268 (PROCESSOR_NIAGARA): New enum entry.
5269 (REGISTER_MOVE_COST): Handle Niagara.
5270 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5271 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5272 (sparc_override_options): Recognize "niagara", set appropriate
5273 default MASK_* values for it, and align functions to 32-bytes
5274 by default just like ULTRASPARC/ULTRASPARC3.
5275 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5276 (sparc64_initialize_trampoline): Likewise.
5277 (sparc_use_sched_lookahead): Use zero for niagara.
5278 (sparc_issue_rate): Use one for niagara.
5279 * config/sparc/niagara.md: New file.
5280 * config/sparc/sparc.md: Include it.
5281 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5282 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5283 when default cpu is niagara.
5284 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5285 (ASM_CPU_SPEC): Likewise.
5286 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5287 when default cpu is niagara.
5288 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5289 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5290 just like v9/ultrasparc/ultrasparc3.
5291 * doc/invoke.texi: Add documentation for "niagara" and improve
5292 existing documentation for ultrasparc variants.
5294 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5296 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5298 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5300 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5301 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5302 and say that only one is needed.
5303 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5304 * target.h (have_switchable_bss_sections): New hook.
5305 * explow.c (use_anchored_address): Check that the symbol is in a block.
5306 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5307 (bss_noswitch_section): New variables.
5308 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5309 (get_noswitch_section): New function.
5310 (get_block_for_section): Allow SECT to be null.
5311 (unlikely_text_section_p): Use SECTION_STYLE.
5312 (bss_initializer_p): New function.
5313 (get_variable_section): Move earlier in file. Take a new argument,
5314 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5315 Return one of the new *_sections in such cases.
5316 (get_block_for_decl): New function, extracting some logic from
5317 use_blocks_for_decl_p.
5318 (change_symbol_section): Remove in favor of...
5319 (change_symbol_block): ...this new function.
5320 (use_blocks_for_decl_p): Remove checks now performed by
5322 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5323 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5324 (emit_local, emit_bss, emit_common): ...these new functions.
5325 Return true if the alignment was honored.
5326 (emit_tls_common): New function.
5327 (asm_emit_uninitialised): Delete.
5328 (assemble_variable_noswitch): New function, split out from...
5329 (assemble_variable): ...here. Don't make decisions about common
5330 variables here. Globalize all public decls that go into non-common
5331 sections. Check whether SYMBOL_REF_BLOCK is null.
5332 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5333 (output_constant_pool): Likewise.
5334 (init_varasm_once): Initialize the new section variables.
5335 (have_global_bss_p): New function.
5336 (categorize_decl_for_section): Use bss_initializer_p.
5337 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5338 (place_block_symbol): Assert that the symbol must be in a block.
5339 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5340 (TARGET_INITIALIZER): Include it.
5341 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5342 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5343 (SECTION_MACH_DEP): Bump by two.
5344 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5345 (unnamed_section): Mention SECTION_UNNAMED in comment.
5346 (named_section): Likewise SECTION_NAMED.
5347 (noswitch_section_callback): New type.
5348 (noswitch_section): New structure.
5349 (section): Add a noswitch_section alternative.
5350 (SECTION_STYLE): New macro.
5351 (tls_comm_section, comm_section, lcomm_section): Declare.
5352 (bss_noswitch_section, have_global_bss_p): Declare.
5353 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5354 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5356 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5357 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5360 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5362 * tree-vrp.c (execute_vrp): Return value.
5363 * regrename.c (rest_of_handle_regrename): Ditto.
5364 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5365 * tree-complex.c (tree_lower_complex): Ditto.
5366 (tree_lower_complex_O0): Ditto.
5367 * tracer.c (rest_of_handle_tracer): Ditto.
5368 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5369 * postreload.c (rest_of_handle_postreload): Ditto.
5370 * tree-tailcall.c (execute_tail_recursion): Ditto.
5371 (execute_tail_calls): Ditto.
5372 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5373 * tree.h (init_function_for_compilation): Ditto.
5374 * ipa-cp.c (ipcp_driver): Ditto.
5375 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5376 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5377 * final.c (compute_alignments): Ditto.
5378 (rest_of_handle_final): Ditto.
5379 (rest_of_handle_shorten_branches): Ditto.
5380 (rest_of_clean_state): Ditto.
5381 * omp-low.c (execute_expand_omp): Ditto.
5382 (execute_lower_omp): Ditto.
5383 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5384 * ipa-reference.c (static_execute): Ditto.
5385 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5386 * reorg.c (rest_of_handle_delay_slots): Ditto.
5387 (rest_of_handle_machine_reorg): Ditto.
5388 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5389 * flow.c (recompute_reg_usage): Ditto.
5390 (rest_of_handle_remove_death_notes): Ditto.
5391 (rest_of_handle_life): Ditto.
5392 (rest_of_handle_flow2): Ditto.
5393 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5394 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5395 (do_ssa_store_ccp): Ditto.
5396 (execute_fold_all_builtins): Ditto.
5397 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5398 * modulo-sched.c (rest_of_handle_sms): Ditto.
5399 * ipa-pure-const.c (static_execute): Ditto.
5400 * cse.c (rest_of_handle_cse): Ditto.
5401 (rest_of_handle_cse2): Ditto.
5402 * web.c (rest_of_handle_web): Ditto.
5403 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5404 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5405 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5406 * tree-nrv.c (tree_nrv): Ditto.
5407 (execute_return_slot_opt): Ditto.
5408 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5409 (create_structure_vars): Ditto.
5410 * loop-init.c (rtl_loop_init): Ditto.
5411 (rtl_loop_done): Ditto.
5412 (rtl_move_loop_invariants): Ditto.
5413 (rtl_unswitch): Ditto.
5414 (rtl_unroll_and_peel_loops): Ditto.
5415 (rtl_doloop): Ditto.
5416 * gimple-low.c (lower_function_body): Ditto.
5417 (mark_used_blocks): Ditto.
5418 * tree-ssa-sink.c (execute_sink_code): Ditto.
5419 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5420 (cgraph_early_inlining): Ditto.
5421 * global.c (rest_of_handle_global_alloc): Ditto.
5422 * jump.c (cleanup_barriers): Ditto.
5423 (purge_line_number_notes): Ditto.
5424 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5425 (rest_of_handle_if_after_reload): Ditto.
5426 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5427 (tree_ssa_loop_im): Ditto.
5428 (tree_ssa_loop_unswitch): Ditto.
5429 (tree_vectorize): Ditto.
5430 (tree_linear_transform): Ditto.
5431 (tree_ssa_loop_ivcanon): Ditto.
5432 (tree_ssa_empty_loop): Ditto.
5433 (tree_ssa_loop_bounds): Ditto.
5434 (tree_complete_unroll): Ditto.
5435 (tree_ssa_loop_prefetch): Ditto.
5436 (tree_ssa_loop_ivopts): Ditto.
5437 (tree_ssa_loop_done): Ditto.
5438 * predict.c (tree_estimate_probability): Ditto.
5439 * recog.c (split_all_insns_noflow): Ditto.
5440 (rest_of_handle_peephole2): Ditto.
5441 (rest_of_handle_split_all_insns): Ditto.
5442 * tree-eh.c (lower_eh_constructs): Ditto.
5443 * regmove.c (rest_of_handle_regmove): Ditto.
5444 (rest_of_handle_stack_adjustments): Ditto.
5445 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5446 * function.c (instantiate_virtual_regs): Ditto.
5447 (init_function_for_compilation): Ditto.
5448 (rest_of_handle_check_leaf_regs): Ditto.
5449 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5450 (rest_of_handle_gcse): Ditto.
5451 * ipa-type-escape.c (type_escape_execute): Ditto.
5452 * alias.c (rest_of_handle_cfg): Ditto.
5453 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5454 * profile.c (rest_of_handle_branch_prob): Ditto.
5455 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5456 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5457 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5458 * tree-dfa.c (find_referenced_vars): Ditto.
5459 * except.c (set_nothrow_function_flags): Ditto.
5460 (convert_to_eh_region_ranges): Ditto.
5461 (rest_of_handle_eh): Ditto.
5462 * emit-rtl.c (unshare_all_rtl): Ditto.
5463 (remove_unnecessary_notes): Ditto.
5464 * except.h (set_nothrow_function_flags): Ditto.
5465 (convert_to_eh_region_ranges): Ditto.
5466 * cfgexpand.c (tree_expand_cfg): Ditto.
5467 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5468 * tree-ssa-pre.c (do_pre): Ditto.
5469 (execute_fre): Ditto.
5470 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5471 (rest_of_handle_jump2): Ditto.
5472 * tree-sra.c (tree_sra): Ditto.
5473 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5474 (execute_mudflap_function_decls): Ditto.
5475 * tree-ssa-copy.c (do_copy_prop): Ditto.
5476 (do_store_copy_prop): Ditto.
5477 * ipa-prop.h (ipcp_driver): Ditto.
5478 * cfglayout.c (insn_locators_initialize): Ditto.
5479 * tree-ssa-forwprop.c
5480 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5481 * cfglayout.h (insn_locators_initialize): Ditto.
5482 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5483 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5484 (execute_late_warn_uninitialized): Ditto.
5485 * rtl.h (cleanup_barriers): Ditto.
5486 (split_all_insns_noflow): Ditto.
5487 (purge_line_number_notes): Ditto.
5488 (unshare_all_rtl): Ditto.
5489 (remove_unnecessary_notes): Ditto.
5490 (recompute_reg_usage): Ditto.
5491 (variable_tracking_main): Ditto.
5492 * integrate.c (emit_initial_value_sets): Ditto.
5493 * integrate.h (emit_initial_value_sets): Ditto.
5494 * tree-optimize.c (execute_free_datastructures): Ditto
5495 (execute_free_cfg_annotations): Ditto.
5496 (execute_fixup_cfg): Ditto.
5497 (execute_cleanup_cfg_pre_ipa): Ditto.
5498 (execute_cleanup_cfg_post_optimizing): Ditto.
5499 (execute_init_datastructures): Ditto.
5500 * tree-object-size.c (compute_object_sizes): Ditto.
5501 * combine.c (rest_of_handle_combine): Ditto.
5502 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5503 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5504 (rest_of_handle_reorder_blocks): Ditto.
5505 (rest_of_handle_partition_blocks): Ditto.
5506 * var-tracking.c (variable_tracking_main): Ditto.
5507 * tree-profile.c (tree_profiling): Ditto.
5508 * tree-vect-generic.c (expand_vector_operations): Ditto.
5509 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5510 * sched-rgn.c (rest_of_handle_sched): Ditto.
5511 (rest_of_handle_sched2): Ditto.
5512 * basic-block.h (free_bb_insn): Ditto.
5513 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5514 * tree-cfg.c (execute_build_cfg): Ditto.
5515 (remove_useless_stmts): Ditto.
5516 (split_critical_edges): Ditto.
5517 (execute_warn_function_return): Ditto.
5518 (execute_warn_function_noreturn): Ditto.
5519 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5520 * cfgrtl.c (free_bb_for_insn): Ditto.
5521 * passes.c (execute_one_pass): Run additional
5522 todos returned by execute function.
5523 * tree-pass.h (struct tree_opt_pass): Make execute
5526 2006-03-02 Richard Guenther <rguenther@suse.de>
5528 * tree-ssa-alias.c (find_used_portions): Consider taking
5529 the address as making the variable not write-only.
5531 2006-03-02 Nick Clifton <nickc@redhat.com>
5533 * config.gcc (default_use_cxa_atexit): Extend the description of
5534 this configure variable. Set its default value to "yes" for
5535 Linux, NetBSD and ELF targets on the assumption that they will
5536 use C libraries with the __cxa_atexit function.
5538 2006-03-02 Ben Elliston <bje@au.ibm.com>
5540 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5541 parameter as unused to suppress a build warning.
5543 2006-03-02 Ben Elliston <bje@au.ibm.com>
5545 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5548 2006-03-01 Roger Sayle <roger@eyesopen.com>
5551 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5552 declared name, the weak reference name, and the typeof name.
5553 (__gthrw): Avoid expanding the declared name suffix.
5554 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5556 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5558 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5560 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5561 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5562 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5563 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5564 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5565 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5566 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5567 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5568 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5569 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5570 (DW_END_default, DW_END_big, DW_END_little): New.
5571 (DW_END_lo_user, DW_END_hi_user): Define.
5572 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5573 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5574 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5577 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5579 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5581 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5583 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5585 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5587 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5588 to 'symbol_mem_tag'.
5590 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5593 2006-03-01 Roger Sayle <roger@eyesopen.com>
5595 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5597 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5600 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5601 MACHO_DYNAMIC_NO_PIC_P.
5602 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5604 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5607 * config/darwin-protos.h (darwin_asm_output_anchor):
5609 * config/darwin-sections.def (cstring_section):
5610 Add SECTION_MERGE to the flags.
5611 (literal4_section): Likewise.
5612 (literal8_section): Likewise.
5613 (objc_selector_refs_section): Likewise.
5614 (objc_cls_refs_section): Likewise.
5615 * config/darwin.c (darwin_asm_output_anchor): New
5617 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5619 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5621 Fix PR tree-optimization/26443
5622 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5623 to todo and PROP_tmt_usage to properties_destroyed.
5624 * tree-ssa-ccp.c (pass_ccp): Ditto.
5625 (pass_store_ccp): Ditto.
5626 * tree-ssa-dom.c (pass_dominator): Ditto.
5628 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5630 * tree-ssa-operands.c: Cleanup whitespace.
5631 (get_asm_expr_operands): Move before first invocation.
5632 (get_indirect_ref_operands): Likewise.
5633 (get_tmr_operands): Likewise.
5634 (get_call_expr_operands): Likewise.
5635 (append_def): Likewise.
5636 (append_use): Likewise.
5637 (append_v_may_def): Likewise.
5638 (append_v_must_def): Likewise.
5639 (add_call_clobber_ops): Likewise.
5640 (add_call_read_ops): Likewise.
5641 (add_stmt_operand): Likewise.
5642 (add_virtual_operand): Likewise.
5643 (build_ssa_operands): Likewise.
5645 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5650 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5651 with a call expr to ...
5652 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5654 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5656 * tree-vrp.c (extract_range_from_assert): Remove special
5657 handling for types with super-types.
5659 2006-03-01 Ben Elliston <bje@au.ibm.com>
5661 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5662 and powerpc64-*-linux* configurations.
5663 * config/t-dfprules: New file.
5665 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5666 Compile dfp-bit.c from the source directory using -DWIDTH and
5667 $DFP_CFLAGS to control the compilation of that file, rather than
5668 generating width-specific versions in the build directory.
5669 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5670 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5672 2006-02-28 Zack Weinberg <zackw@panix.com>
5674 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5677 2006-02-28 Eric Christopher <echristo@apple.com>
5679 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5680 Set up IN_LIBGCC definition of TARGET_64BIT.
5681 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5683 2006-02-28 Roger Sayle <roger@eyesopen.com>
5686 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5687 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5688 cases via the construction of "expr != 0".
5690 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5692 * alias.c (alias_invariant, alias_invariant_size): Remove.
5693 (record_base_value): Remove.
5694 (memrefs_conflict_p): Don't look at alias_invariant.
5695 (end_alias_analysis): Don't free it.
5696 * alias.h (record_base_value): Remove prototype.
5698 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5699 Adam Nemet <anemet@caviumnetworks.com>
5701 * rtl.h (truncated_to_mode): Declare it.
5702 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5703 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5704 (RTL_HOOKS_INITIALIZER): Include it.
5705 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5706 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5707 reg_truncated_to_mode.
5708 * rtlanal.c (truncated_to_mode): Define it.
5709 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5711 2006-02-28 Jeff Law <law@redhat.com>
5713 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5714 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5715 the range allowed by TYPE_PRECISION.
5717 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5719 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5721 PR tree-optimization/26419
5722 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5725 2006-02-27 Zack Weinberg <zackw@panix.com>
5727 * doc/md.texi: Fix typo in previous change.
5729 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5733 2006-02-27 Zack Weinberg <zackw@panix.com>
5735 * rtl.def (define_constraint, define_register_constraint)
5736 (define_memory_constraint, define_address_constraint): New MD forms.
5737 * gensupport.c (process_rtx): Put define_constraint etc on the
5739 * genpreds.c (process_define_predicate): Adjust comment. Validate
5740 the name, and call validate_exp to validate the expression.
5741 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5742 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5743 all callers changed.
5744 (validate_exp, needs_variable, struct constraint_data)
5745 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5746 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5747 (const_dbl_constraints, constraint_max_namelen)
5748 (have_register_constraints, have_memory_constraints)
5749 (have_address_constraints, have_address_constraints)
5750 (have_extra_constraints, have_const_int_constraints)
5751 (have_const_dbl_constraints, mangle, add_constraint)
5752 (process_define_constraint, process_define_register_constraint)
5753 (write_enum_constraint_num, write_lookup_constraint)
5754 (write_insn_constraint_len, write_regclass_for_constraint)
5755 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5756 (write_insn_extra_memory_constraint)
5757 (write_insn_extra_address_constraint)
5758 (write_satisfies_constraint_fns): New.
5759 (write_tm_preds_h): If we have new-style constraint definitions,
5760 prototype the functions generated from them, and define the
5761 old constraint interface (still used by generic code) in terms of
5763 (write_insn_preds_c): If we have new-style constraint definitions,
5764 generate all relevant functions from those definitions.
5765 (main): Handle define_constraint etc.
5766 * genoutput.c (struct constraint_data, indep_constraints)
5767 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5768 (mdep_constraint_len): New data structures and functions, defined
5769 #ifdef USE_MD_CONSTRAINTS.
5770 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5771 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5772 use new logic to validate operand constraints against constraint
5774 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5776 * defaults.h: If none of the old-style constraint macros are
5777 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5778 old-style macros; and poison REG_CLASS_FROM_LETTER,
5779 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5781 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5782 * doc/md.texi: Document new constraint-definition mechanism and the
5783 C interface it provides. Remove references to old mechanism
5784 elsewhere in the document.
5785 (Machine Constraints): Use pathnames relative to gcc directory,
5786 i.e. config/ARCH/FILE. Change i386 section to refer to
5787 config/i386/predicates.md; update that section to match docstrings.
5788 * doc/tm.texi: Move all documentation of the old constraint-
5789 definition macros to their own section, clearly mark as obsolete.
5791 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5792 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5794 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5795 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5796 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5798 (splits and peepholes): Use satisfies_constraint_*.
5799 * config/i386/i386.c (memory_address_length)
5800 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5802 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5804 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5805 scalar operation to be put back into the loop.
5807 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5810 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5811 (extract_cie_info): Handle S flag in augmentation string.
5812 (execute_cfa_program): If context->signal_frame, execute also
5813 fs->pc == context->ra instructions.
5814 (uw_frame_state_for): If context->signal_frame, don't subtract one
5815 from context->ra to find FDE.
5816 (uw_update_context_1): Set context->signal_frame to
5818 (_Unwind_GetIPInfo): New function.
5819 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5820 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5822 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5823 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5824 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5825 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5826 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5827 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5828 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5829 x86_64_fallback_frame_state): Set fs->signal_frame.
5830 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5831 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5832 (frob_update_context): Likewise. Workaround missing S flag in
5833 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5834 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5835 Remove the psw_addr + 1 hack.
5837 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5839 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5840 with aggregates here.
5841 (find_func_aliases): Remove code for &<aggregate> from here.
5843 2006-02-26 Roger Sayle <roger@eyesopen.com>
5845 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5846 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5847 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5850 2006-02-26 Roger Sayle <roger@eyesopen.com>
5853 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5855 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5857 * opts.c (decode_options): Do not handle flag_strength_reduce.
5858 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5859 and OPT_fstrength_reduce.
5860 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5861 flag_prefetch_loop_arrays for being nonzero.
5862 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5864 (fprefetch-loop-arrays-rtl): Removed.
5865 (flag_prefetch_loop_arrays): Do not specify the value.
5867 * doc/passes.texi: Update documentation of loop optimizer
5869 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5870 -frerun-loop-opt): Remove.
5872 2006-02-26 Richard Guenther <rguenther@suse.de>
5874 PR tree-optimization/26421
5875 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5876 in function calls that are ADDR_EXPRs as using the whole structure.
5878 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5880 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5881 * tree-pass.h (pass_loop_optimize): Remove.
5882 * passes.c (pass_loop_optimize): Never run it.
5883 * toplev.c (backend_init): Don't call init_loop.
5884 * opts.c (flag_loop_optimize_set): Remove.
5885 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5886 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5887 the old RTL loop optimizer when profiling enabled.
5888 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5889 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5890 pre-headers for the sake of the old RTL loop optimizer.
5891 * Makefile.in: Remove all references to loop.o.
5893 * doc/invoke.texi: Remove all references to -floop-optimize
5894 and -frerun-loop-opt.
5896 2006-02-26 Zack Weinberg <zackw@panix.com>
5898 * doc/md.texi (Machine Constraints): Refer to all files with paths
5899 relative to gcc directory (i.e. config/CPU/file). Add missing
5900 @table @code ... @end table to M32C subsection.
5902 2006-02-26 Roger Sayle <roger@eyesopen.com>
5904 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5906 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5908 2006-02-26 Roger Sayle <roger@eyesopen.com>
5909 James A. Morrison <phython@gcc.gnu.org>
5912 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5913 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5914 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5915 signedness of the shift operation.
5917 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5919 PR tree-optimization/26359
5920 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5922 2006-02-25 Roger Sayle <roger@eyesopen.com>
5924 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5925 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5926 as X == 0, and some symmetry related transformations.
5927 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5929 2006-02-25 Roger Sayle <roger@eyesopen.com>
5932 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5933 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5934 symmetry related transformations. Fold (X^C1) == C2 as
5937 2006-02-25 Juergen Weigert <jw@suse.de>
5938 Richard Guenther <rguenther@suse.de>
5940 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5942 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5944 * combine.c (gen_lowpart_or_truncate): Call
5945 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5947 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5949 * doc/invoke.texi: Move -fopenmp description to "Options for
5951 Remove reference to -lgomp.
5953 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5955 * doc/install.texi: Require GNU tar version 1.14.
5957 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5959 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5960 * doc/invoke.texi (C++ Dialect Options): Document
5961 -fno-use-cxa-get-exception-ptr.
5962 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5963 * configure: Regenerate.
5964 * c.opt (fuse-cxa-get-exception-ptr): New.
5965 * c-opts.c (c_common_handle_option): Handle
5966 OPT_fuse_cxa_get_exception_ptr.
5967 * c-common.c (flag_use_cxa_atexit): Update documentation.
5968 (flag_use_cxa_get_exception_ptr): New.
5969 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5970 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5972 (C_COMMON_OVERRIDE_OPTIONS): New.
5974 2006-02-24 Roger Sayle <roger@eyesopen.com>
5977 * combine.c (try_combine): Explicitly check whether GET_CODE is
5978 a SET or a CLOBBER, instead on checking that it isn't a USE.
5980 2006-02-24 Roger Sayle <roger@eyesopen.com>
5982 * fold-const.c (fold_comparison): New subroutine of fold_binary
5983 containing transformations common to both the equality and
5984 ordering relational operators, factored out of fold_binary.
5985 (fold_binary): Separate out the equality operators (EQ_EXPR
5986 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5987 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5988 transformations common to both.
5989 (fold_div_compare): Fix latent bugs in the previously unreachable
5990 LT_EXPR and GE_EXPR cases.
5992 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5994 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5995 decl libname for clog to __clog on AIX.
5997 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5999 2006-02-24 Alan Modra <amodra@bigpond.net.au>
6002 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
6003 output traceback table for thunks. Localise rs6000_stack_info call.
6005 2006-02-23 Roger Sayle <roger@eyesopen.com>
6006 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6008 * gthr-posix.h (__gthrw): Fix typo in comment.
6010 2006-02-23 Geoffrey Keating <geoffk@apple.com>
6012 * doc/cpp.texi (Character sets): Document that we do support
6013 input files to be in any character set.
6015 2006-02-23 Jeff Law <law@redhat.com>
6017 * tree.h (PHI_ARG_NONZERO): Remove.
6018 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
6019 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
6020 node to the new node.
6022 PR tree-optimization/26425
6023 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
6024 min/max, then assume its varying.
6026 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6028 PR rtl-optimization/26316
6029 * rtlanal.c (enum may_trap_p_flags): New.
6030 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
6031 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
6032 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
6033 (may_trap_after_code_motion_p): New function.
6034 * loop-invariant.c (find_identical_invariants): Fix dump formating.
6035 (find_invariant_insn): Use may_trap_after_code_motion_p.
6036 * rtl.h (may_trap_after_code_motion_p): Declare.
6038 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
6040 * emit-rtl.c (immed_double_const): Cleanup.
6042 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
6044 Fix PR tree-optimization/26376
6045 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
6048 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6051 * gimplify.c (omp_add_variable): Guard variable size decl test with
6052 DECL_SIZE (decl) check.
6054 2006-02-23 Richard Guenther <rguenther@suse.de>
6057 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
6058 like aggregate types.
6060 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6062 * configure.ac: Add --with{,out}-long-double-128 configure option.
6063 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6064 * configure: Rebuilt.
6065 * config.in: Rebuilt.
6066 * doc/install.texi (Options specification): Document
6067 --with-long-double-128.
6069 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6070 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6071 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6072 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6074 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6076 * config/s390/s390.c (override_options): Handle
6077 TARGET_DEFAULT_LONG_DOUBLE_128.
6079 * config/alpha/alpha.c (override_options): Handle
6080 TARGET_DEFAULT_LONG_DOUBLE_128.
6082 * config/sparc/sparc.c (sparc_override_options): Handle
6083 TARGET_DEFAULT_LONG_DOUBLE_128.
6085 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6087 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6088 (real-install-headers-tar, real-install-headers-cpio)
6089 (real-install-headers-cp): New targets.
6091 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6093 * tree.h (variable_section): Delete.
6094 * varasm.c (variable_section): Delete.
6096 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6098 * install.texi: Add notes on install.texi2html.
6099 (Building in parallel): Do not use footnotes.
6101 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6104 * doc/install.texi (Configuration): Document --disable-libgomp.
6106 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6108 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6110 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6112 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6113 (vec_extractv2df_0_sse): New.
6115 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6117 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6118 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6119 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6120 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6121 to the result of the expression.
6122 (def_cfa_1): Adjust.
6123 (frame_pointer_cfa_offset): Rename to...
6124 (frame_pointer_fb_offset): ... this. Adjust all uses.
6125 (convert_cfa_to_loc_list): Rename to...
6126 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6127 Pass it on to build_cfa_loc.
6128 (compute_frame_pointer_to_cfa_displacement): Rename to...
6129 (compute_frame_pointer_to_fb_displacement): ... this. New
6130 offset parameter. Use it in computation.
6131 (gen_subprogram_die): Compute cfa_fb_offset with the new
6132 macro, and use it to compute the fb loc list and the
6135 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6137 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6138 replaced with register_operand.
6139 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6140 non-DREG is expensive.
6141 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6142 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6145 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6147 * doc/install.texi2html: Use set -e.
6149 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6151 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6152 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6153 * doc/invoke.texi (-fshared-data): Delete.
6154 * common.opt (fshared-data): Delete.
6155 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6156 (assemble_static_space): Remove #if 0 code.
6157 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6158 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6159 * config/cris/cris.h: Remove FIXME.
6161 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6163 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6166 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6169 * combine.c (simplify_shift_const_1): Disable nested shifts
6170 optimization for vector shifts.
6172 2006-02-20 Roger Sayle <roger@eyesopen.com>
6174 PR tree-optimization/26361
6175 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6176 of unsigned integer types.
6178 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6180 * tree-chrec.c (eq_evolutions_p): New.
6181 * tree-chrec.h (eq_evolutions_p): Declared.
6182 * tree-data-ref.c: Fix formatting.
6183 (datadep_stats, dependence_stats): New.
6185 (print_direction_vector): New.
6186 (dump_data_dependence_relation): Use print_direction_vector.
6187 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6188 (compute_subscript_distance): Static.
6189 (initialize_data_dependence_relation): Static. Get the number
6190 of loops surrounding the references from the callers, and initialize
6191 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6192 base_object_differ_p analyzers.
6193 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6194 compute_overlap_steps_for_affine_1_2,
6195 analyze_subscript_affine_affine): Count the classified dependences.
6196 Print a message when a test failed.
6197 (can_use_analyze_subscript_affine_affine): New.
6198 (analyze_siv_subscript): Compute the data dependences on symbolic
6199 scevs that verify can_use_analyze_subscript_affine_affine.
6200 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6201 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6202 Handle symbolic scevs.
6203 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6205 (subscript_dependence_tester): Moved...
6206 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6207 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6208 DDR_SIZE_VECT instead of getting it in parameter.
6209 (subscript_dependence_tester): ... here. Take as a parameter
6210 loop_nest_depth. Call build_classic_dist_vector and
6211 build_classic_dir_vector.
6212 (compute_affine_dependence): Update subscript_dependence_tester
6213 parameters. Update datadep_stats counters. Call
6214 compute_subscript_distance.
6215 (compute_self_dependence): Save the dist and dir vectors. Call
6216 compute_subscript_distance.
6217 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6218 (compute_all_dependences): Reorder parameters as they were before
6219 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6220 compute_subscript_distance. Update the use of
6221 compute_affine_dependence and initialize_data_dependence_relation.
6222 (find_data_references_in_loop): Handle COMPONENT_REF.
6223 (compute_data_dependences_for_loop): Initialize dependence_stats.
6224 Don't call build_classic_dist_vector and build_classic_dir_vector.
6225 Update the parameters of initialize_data_dependence_relation and
6226 compute_all_dependences. Print the statistics from datadep_stats.
6227 (analyze_all_data_dependences): Static. Not used until the pass for
6228 checking the data dependences is contributed.
6229 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6230 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6231 (initialize_data_dependence_relation, compute_affine_dependence,
6232 analyze_all_data_dependences, compute_subscript_distance): Removed.
6233 (print_direction_vector): New.
6234 * lambda.h (gcd): ... here.
6235 (lambda_vector_gcd): Moved here from gcd_vector.
6236 * lambda-code.c (gcd, gcd_vector): Removed.
6237 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6238 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6240 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6242 * ipa-type-escape.c: Tidy some comments and white space.
6243 * tree-ssa-operands.c: Likewise.
6245 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6248 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6249 (dump_decl_name): Do not walk the decl tree chains.
6250 * tree-pass.h (TDF_CHAIN): Remove.
6252 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6254 * Makefile.in (C): Remove
6256 (.PHONY): Remove C and PROTO
6258 2006-02-20 Roger Sayle <roger@eyesopen.com>
6261 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6262 deprecated CHAR_TYPE tree code.
6264 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6266 * configure.ac (target_list): Add install-info, dvi, html.
6267 * configure: Regenerate.
6269 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6270 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6271 treelang/Make-lang.in: Do not use double-colon rules.
6273 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6275 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6276 (TMT_USED_ALONE): New macro.
6277 * tree-pass.h (PROP_tmt_usage): New property.
6278 (TODO_update_tmt_usage): New todo.
6279 * tree-ssa-alias.c (updating_used_alone): New variable.
6280 (recalculate_used_alone): New function.
6281 (compute_may_aliases): Set updating_used_alone, call
6282 recalculate_used_alone.
6283 * tree-sra.c (pass_sra): Note that this pass destroys
6284 PROP_tmt_usage, and add TODO_update_tmt_usage.
6285 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6286 * tree-flow.h (updating_used_alone): Prototype.
6287 (recalculate_used_alone): Ditto.
6288 * passes.c (execute_todo): Add code to set updating_used_alone,
6289 and call recalculate.
6290 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6291 for clobber if used alone, and add assert to verify used_alone
6294 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6296 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6297 for non tls symbols added.
6298 (legitimize_address): Do nothing for PLUS expressions if one of the
6299 addends is a tls symbol reference.
6301 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6305 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6307 * Makefile.in (BOOTSTRAPPING): New.
6308 (quickstrap): New definition if BOOTSTRAPPING=yes.
6310 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6311 * configure.ac: Substitute all_selected_languages with the languages
6312 that were configured. For all the other variables except
6313 lang_specs_files, include all the languages in the tree.
6314 * configure: Regenerate.
6316 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6317 if there is one. Run the commands to run fixincludes in the same
6320 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6321 * doc/install.texi: Document exact conventions for searching target tools.
6322 Document --with-build-time-tools. Document toplevel bootstrap. Document
6323 something more about building an Ada cross-compiler. Don't list GNU Make
6324 requirements which affect all platforms.
6326 2006-02-19 Roger Sayle <roger@eyesopen.com>
6329 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6330 only equivalent if the have both the same mode and precision.
6332 2006-02-20 Ben Elliston <bje@au.ibm.com>
6334 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6336 2006-02-19 Roger Sayle <roger@eyesopen.com>
6337 Steven Bosscher <stevenb.gcc@gmail.com>
6339 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6340 constant pool references to identify stack mode constants.
6341 * rtlanal.c (constant_pool_constant_p): New predicate to check
6342 whether operand is a floating point constant in the pool.
6343 * rtl.h (constant_pool_constant_p): Prototype here.
6344 * loop.c (scan_loop): Avoid hoisting constants from the constant
6345 pool on STACK_REGS targets.
6346 (load_mems): Likewise.
6347 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6348 loads into x87 registers expensive in terms of register pressure.
6350 2006-02-19 Roger Sayle <roger@eyesopen.com>
6352 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6353 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6355 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6357 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6358 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6360 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6362 * doc/invoke.texi: Document -fipa-pta.
6363 * common.opt: Add ipa-pta option.
6364 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6365 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6366 (do_ds_constraint): Ditto.
6367 (get_constraint_for): Only add to referenced_vars if
6368 referenced_vars exists.
6369 (insert_into_field_list): Rewrite to do this unsorted.
6370 (insert_into_field_list_sorted): Rename old insert_into_field_list
6372 (create_function_info_for): Use insert_into_field_list_sorted.
6373 (create_variable_info_for): Rewrite so it uses unsorted version,
6374 since the field list is sorted.
6375 (intra_create_variable_infos): Only add to referenced_vars if
6376 referenced_vars exists.
6377 (ipa_pta_execute): Init heapvars, and delete when done.
6378 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6380 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6382 * doc/install.texi: Add missing `@samp'.
6384 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6386 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6389 2006-02-18 Mark Wielaard <mark@klomp.org>
6391 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6392 who added new 4.1 features, bug fixes and integration support.
6394 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6397 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6400 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6402 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6403 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6404 (copy_insn_1): Likewise. Don't copy each field individually.
6406 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6408 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6409 * rtl.c (rtx_size): Rename variable to...
6410 (rtx_code_size): ...this.
6411 (rtx_size): New function.
6412 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6413 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6415 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6416 * rtl.h (rtx_code_size): New variable.
6417 (rtx_size): Change from a variable to a function.
6418 (RTX_SIZE): Rename to...
6419 (RTX_CODE_SIZE): ...this.
6422 PR tree-optimization/17106
6423 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6424 (Anchored Addresses): New section.
6425 * doc/invoke.texi (-fsection-anchors): Document.
6426 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6427 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6428 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6429 * hooks.c (hook_bool_mode_rtx_false): New function.
6430 * hooks.h (hook_bool_mode_rtx_false): Declare.
6431 * gengtype.c (create_optional_field): New function.
6432 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6433 SYMBOL_REF_IN_BLOCK_P is true.
6434 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6435 (min_anchor_offset, max_anchor_offset): Likewise.
6436 (use_anchors_for_symbol_p): New hook.
6437 * toplev.c (compile_file): Call output_object_blocks.
6438 (target_supports_section_anchors_p): New function.
6439 (process_options): Check that -fsection-anchors is only used on
6440 targets that support it and when -funit-at-a-time is in effect.
6441 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6442 if the decl doesn't have one.
6443 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6444 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6445 of force_const_mem through use_anchored_address.
6446 (expand_expr_constant): New function.
6447 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6448 calling expand_expr for INDIRECT_REF.
6449 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6450 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6451 * expr.h (use_anchored_address): Declare.
6452 * loop-unroll.c: Don't declare rtx vectors here.
6453 * explow.c: Include output.h.
6454 (validize_mem): Call use_anchored_address.
6455 (use_anchored_address): New function.
6456 * common.opt (-fsection-anchors): New switch.
6457 * varasm.c (object_block_htab, anchor_labelno): New variables.
6458 (hash_section, object_block_entry_eq, object_block_entry_hash)
6459 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6460 (use_blocks_for_decl_p, change_symbol_section): New functions.
6461 (get_variable_section): New function, split out from assemble_variable.
6462 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6463 use_blocks_for_decl_p say so. Use change_symbol_section if the
6464 symbol has already been created.
6465 (assemble_variable_contents): New function, split out from...
6466 (assemble_variable): ...here. Don't output any code for
6467 block symbols; just pass them to place_block_symbol.
6468 Use get_variable_section and assemble_variable_contents.
6469 (get_constant_alignment, get_constant_section, get_constant_size): New
6470 functions, split from output_constant_def_contents.
6471 (build_constant_desc): Create a block symbol if use_object_blocks_p
6472 says so. Or into SYMBOL_REF_FLAGS.
6473 (assemble_constant_contents): New function, split from...
6474 (output_constant_def_contents): ...here. Don't output any code
6475 for block symbols; just pass them to place_section_symbol.
6476 Use get_constant_section and get_constant_alignment.
6477 (force_const_mem): Create a block symbol if use_object_blocks_p and
6478 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6479 (output_constant_pool_1): Add an explicit alignment argument.
6480 Don't switch sections here.
6481 (output_constant_pool): Adjust call to output_constant_pool_1.
6482 Switch sections here instead. Don't output anything for block symbols;
6483 just pass them to place_block_symbol.
6484 (init_varasm_once): Initialize object_block_htab.
6485 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6486 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6487 (place_block_symbol, get_section_anchor, output_object_block)
6488 (output_object_block_htab, output_object_blocks): New functions.
6489 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6490 (TARGET_ASM_OUT): Include it.
6491 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6492 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6493 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6494 (TARGET_INITIALIZER): Include them.
6495 * rtl.c (rtl_check_failed_block_symbol): New function.
6496 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6497 (block_symbol, object_block): New structures.
6498 (rtx_def): Add a block_symbol field to the union.
6499 (BLOCK_SYMBOL_CHECK): New macro.
6500 (rtl_check_failed_block_symbol): Declare.
6501 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6502 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6503 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6504 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6505 * output.h (output_section_symbols): Declare.
6506 (object_block): Name structure.
6507 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6508 (default_use_anchors_for_symbol_p): Declare.
6509 * Makefile.in (RTL_BASE_H): Add vec.h.
6510 (explow.o): Depend on output.h.
6511 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6512 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6513 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6514 (rs6000_use_blocks_for_constant_p): New function.
6516 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6518 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6520 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6523 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6526 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6528 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6532 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6535 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6536 instead of DECL_REGISTER.
6538 2006-02-18 Olivier Hainque <hainque@adacore.com>
6541 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6543 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6546 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6547 * opth-gen.awk: Handle Var and InverseMask together.
6548 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6549 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6550 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6551 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6553 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6554 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6555 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6556 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6557 LINUX_DYNAMIC_LINKER): Define.
6558 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6559 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6561 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6562 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6563 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6564 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6565 (TARGET_C99_FUNCTIONS): Don't define.
6566 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6567 GLIBC_DYNAMIC_LINKER.
6568 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6569 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6570 GLIBC_DYNAMIC_LINKER64): Define.
6571 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6572 LINUX_DYNAMIC_LINKER64.
6573 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6575 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6577 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6578 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6579 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6580 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6581 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6582 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6583 and LINUX_DYNAMIC_LINKER32.
6584 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6586 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6588 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6590 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6591 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6592 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6593 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6594 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6595 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6596 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6597 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6598 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6599 LINUX_DYNAMIC_LINKER): Define.
6600 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6601 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6602 GLIBC_DYNAMIC_LINKER64): Define.
6603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6604 LINUX_DYNAMIC_LINKER64.
6605 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6606 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6607 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6608 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6609 LINUX_DYNAMIC_LINKER): Define.
6610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6611 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6612 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6613 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6614 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6616 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6617 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6618 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6619 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6620 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6621 * doc/invoke.texi (-muclibc): Remove caveat about supported
6624 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6626 * doc/cpp.texi (__TIMESTAMP__): Document.
6628 2006-02-17 Roger Sayle <roger@eyesopen.com>
6631 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6632 C is one less than the width of X (and related transformations).
6633 * simplify-rtx.c (simplify_unary_operation_1): Transform
6634 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6635 depending on STORE_FLAG_VALUE, were C is one less then the
6638 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6640 Fix PR tree-optimization/26341
6641 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6642 about NAME_MEMORY_TAG's.
6644 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6647 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6648 with hardware float support, and software float support. Add fcpy
6649 alternative to hardware patterns. Add alternatives to copy between
6650 general and floating-point registers to the 32-bit pattern.
6651 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6652 secondary reload to load a QI or HI mode constant into a floating
6654 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6655 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6657 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6660 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6662 (load_macho_picbase_di): Likewise.
6664 2006-02-16 Jeff Law <law@redhat.com>
6666 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6667 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6668 (ssa_name_nonzero_p): Likewise.
6669 (get_value_range): Return NULL if VRP is not running.
6670 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6671 VRP routines do not discover a range.
6672 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6673 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6674 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6675 (tree_expr_nonnegative_p): Similarly.
6676 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6677 (restore_nonzero_vars_to_original_value): Remove.
6678 (unsafe_associative_fp_binop): Remove.
6679 (tree_ssa_dominator_optimize): Remove initialization and
6680 finalization of nonzero_vars and nonzero_vars_stack.
6681 (dom_opt_initialize_block): No longer push marker on
6683 (dom_opt_finalize_block): No longer call
6684 restore_nonzero_vars_to_original_value.
6685 (record_equivalences_from_phis): No longer look for
6686 nonzero PHI arguments.
6687 (cprop_into_successor_phis): No longer propagate nonzero
6688 property into PHI arguments. Lose unused argument. Caller
6690 (record_equivalences_from_stmt): No longer record nonzero
6691 values for SSA_NAMEs.
6692 (lookup_avail_expr): No longer use nonzero_vars.
6694 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6695 for sizetype when sizetype is unsigned.
6697 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6699 PR rtl-optimization/25603
6700 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6701 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6702 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6703 with new meaning of SETS.
6705 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6710 * config/linux.opt: New file.
6711 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6712 LINUX_DYNAMIC_LINKER): Define.
6713 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6714 * config.gcc (*-*-linux*): Define extra_options.
6715 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6716 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6717 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6718 GLIBC_DYNAMIC_LINKER.
6719 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6720 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6721 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6722 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6723 * doc/invoke.texi (GNU/Linux Options): New section.
6725 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6727 * config/sparc/sparc.md (setjmp): Rewrite.
6728 (setjmp_32): Delete.
6729 (setjmp_64): Likewise.
6731 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6733 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6736 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6738 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6741 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6743 PR rtl-optimization/26296
6744 * Makefile.in (loop-invariant.c): Add except.h dependency.
6745 * loop-invariant.c: Include except.h.
6746 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6748 2005-02-16 Paul Brook <paul@codesourcery.com>
6750 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6753 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6755 PR rtl-optimization/25636
6756 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6757 when deciding whether an insn is an initializing insn.
6759 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6761 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6762 (tree_code_size): Ditto.
6763 * tree.h (struct tree_memory_tag): Remove parent_var.
6764 (struct tree_struct_field_tag): New.
6767 (union tree_node): Add sft member.
6768 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6770 (create_sft): Add size and offset argument, set SFT_OFFSET and
6772 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6773 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6774 * tree-flow-inline.h (get_subvar_at): Update for
6775 SFT_OFFSET/SFT_SIZE.
6776 (var_can_have_subvars): Ditto.
6777 (overlap_subvar): Ditto.
6778 * print-tree.c (print_node): Print out interesting things for
6780 * tree-flow.h (struct subvar): Remove offset and size members.
6781 * tree-ssa-operands.c (get_expr_operands): Update for
6782 get_indirect_ref_operands changes.
6783 (get_indirect_ref_operands): Call add_virtual_operand instead of
6784 add_stmt_operand. Only recurse on base var if requested.
6785 (access_can_touch_variable): New function.
6786 (add_stmt_operand): Split virtual operand handling into ...
6787 (add_virtual_operand): Here. Add offset, size, and for_clobber
6788 arguments. Prune alias sets.
6789 (add_call_clobber_ops): Call add_virtual_operand.
6791 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6794 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6796 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6797 than TREE_CODE as index into omp_clause_num_ops array.
6799 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6801 PR rtl-optimization/26184
6802 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6804 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6805 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6806 must_precede, must_follow and tobe_scheduled.
6809 * opts.c (common_handle_option): Free new_option pointer.
6810 * df-core.c (df_analyze): Free postorder pointer.
6812 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6814 * Makefile.in: Fix the examples about the use of stamps
6816 2006-02-15 Michael Matz <matz@suse.de>
6820 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6821 influenced by maximum_field_alignment or DECL_PACKED.
6822 (update_alignment_for_field): Ditto.
6823 (place_field): Ditto.
6824 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6827 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6829 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6830 (debug_flow_info): Pass it.
6831 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6832 * bb-reorder.c (reorder_basic_blocks): Likewise.
6833 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6834 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6835 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6836 * gcse.c (gcse_main, bypass_jumps): Likewise.
6837 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6838 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6839 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6840 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6841 * rtl.h (dump_flow_info): Adjust prototype.
6842 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6843 * var-tracking.c (variable_tracking_main): Likewise.
6844 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6845 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6848 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6850 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6853 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6855 PR tree-optimization/26209
6856 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6857 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6859 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6861 2006-02-14 Roger Sayle <roger@eyesopen.com>
6864 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6865 (X,Y) and the corresponding symmetry related transformations.
6866 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6867 (X,Y) and its symmetry related transformations.
6869 2006-02-14 Roger Sayle <roger@eyesopen.com>
6871 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6874 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6876 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6878 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6881 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6882 support COMDAT group.
6883 * configure: Regenerate.
6885 2006-02-14 Roger Sayle <roger@eyesopen.com>
6890 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6892 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6894 Fix PR tree-optimization/26260
6896 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6898 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6899 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6900 * tree-ssa-structalias.c (create_variable_info_for): Use
6901 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6903 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6905 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6907 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6908 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6909 of the ending condition.
6910 * tree-ssa-loop-manip.c: Include params.h.
6911 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6912 tree_unroll_loop): New functions.
6913 * tree-pass.h (pass_loop_prefetch): Declare.
6914 * loop.c (rest_of_handle_loop_optimize): Test for
6915 -fprefetch-loop-arrays-rtl.
6916 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6917 * timevar.def (TV_TREE_PREFETCH): New timevar.
6918 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6919 pass_loop_prefetch): New.
6920 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6921 (cleanup_tree_cfg_loop): Call scev_reset.
6922 * common.opt (fprefetch-loop-arrays-rtl): Add.
6923 * tree-ssa-loop-prefetch.c: New file.
6924 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6925 (new_temp_expr_table): Initialize expr_vars.
6926 (free_temp_expr_table): Cleanup expr_vars.
6927 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6928 expressions from being merged into one.
6929 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6930 (struct tree_niter_desc): Add control, bound and cmp fields.
6931 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6933 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6934 (tree-cfgcleanup.o): Add SCEV_H dependency.
6935 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6936 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6938 2006-02-14 Richard Guenther <rguenther@suse.de>
6940 PR tree-optimization/26258
6941 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6942 in PHI argument processing.
6944 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6946 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6947 new expression in the requested machine mode.
6949 2006-02-13 Roger Sayle <roger@eyesopen.com>
6951 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6952 directly, instead let do_compare_rtx_and_jump handle this for us.
6953 * expr.c (expand_expr_real_1): Likewise.
6954 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6955 before do_jump_by_parts_greater.
6956 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6957 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6959 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6961 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6963 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6965 PR rtl-optimization/26235
6966 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6967 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6970 2006-02-13 Jeff Law <law@redhat.com>
6972 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6975 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6978 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6979 twice if decl is a builtin. When trying again, call get_callee_fndecl
6980 first to verify it is still a builtin.
6982 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6984 * dwarf2out.c (base_type_die): Don't add AT_name here.
6985 (subrange_type_die): Don't add AT_name here.
6986 (modified_type_die): Rearrange code flow. Do add AT_name here.
6988 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6990 PR rtl-optimization/26247
6991 PR rtl-optimization/26248
6992 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6994 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6996 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6997 * config/fixtfdi.c: Likewise.
6998 * config/fixunstfdi.c: Likewise.
6999 * config/floatditf.c: Likewise.
7001 2006-02-13 Roger Sayle <roger@eyesopen.com>
7004 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
7005 into (X,C2) if C1 is a subset of the bits of C2. Transform
7006 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
7008 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
7010 2006-02-13 Josh Conner <jconner@apple.com>
7013 * varasm.c (function_section): Check for section name before
7014 calling select_section on targets that define
7015 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
7016 unlikely_text_section instead of hot_function_section if
7017 first_function_block_is_cold.
7019 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
7022 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
7024 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7026 PR rtl-optimization/26222
7027 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
7028 after tree->rtl expansion.
7029 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
7030 before passing it to emit_move_insn.
7032 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
7034 * doc/invoke.texi (-Write-strings): Document that it is enabled by
7036 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
7037 Clarify documentation.
7038 * c-common.h (warn_write_strings): Remove.
7039 * c-common.c (warn_write_strings): Likewise.
7040 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
7043 2006-02-12 Roger Sayle <roger@eyesopen.com>
7046 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
7047 (do_jump_parts_zero_rtx): New function renamed from
7048 do_jump_parts_equality_rtx. Made static. Add a mode argument.
7049 (do_jump_parts_equality_rtx): New function split out from
7050 do_jump_parts_equality. Old implementation renamed as above.
7051 Call do_jump_parts_zero_rtx if either operand is zero.
7052 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
7053 do all of the heavy lifting.
7054 (do_compare_rtx_and_jump): Handle multi-word comparisons by
7055 calling either do_jump_by_parts_greater_rtx or
7056 do_jump_by_parts_equality_rtx.
7057 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
7058 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7059 moved to do_compare_rtx_and_jump, call it directly.
7060 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7061 mode argument. Call do_compare_rtx_and_jump.
7062 (emit_case_nodes): Update calls to do_jump_if_equal.
7064 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7066 PR rtl-optimization/26225
7067 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7069 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7071 PR rtl-optimization/26232
7072 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7074 2006-02-11 Jason Merrill <jason@redhat.com>
7077 * tree-inline.c (declare_return_variable): Just don't use the
7078 modify target if it's a gimple complex reg and the return slot
7081 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7083 * doc/contrib.texi: Update my entry.
7085 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7087 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7089 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7091 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7094 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7096 * doc/invoke.texi (-floop-optimize2): Removed.
7097 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7098 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7099 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7100 * common.opt (floop-optimize2): Removed.
7101 (fmove-loop-invariants): Enabled by default.
7103 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7105 * tree-if-conv.c (combine_blocks): Free the result of
7106 get_loop_exit_edges.
7108 2006-02-10 Jeff Law <law@redhat.com>
7110 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7112 PR tree-optimization/26213
7113 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7114 loop trying to follow SSA_NAME_VALUE chains.
7116 2006-02-10 Richard Guenther <rguenther@suse.de>
7118 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7119 deal with structures that end in implicitly variable sized arrays.
7121 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7123 PR rtl-optimization/24762
7124 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7127 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7129 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7130 (struct ivopts_data): Add regs_used field.
7131 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7132 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7133 instead of loop_data->regs_used;
7134 (free_loop_data): Do not free aux fields for loops.
7135 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7136 and tree_ssa_iv_optimize_finalize.
7138 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7140 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7142 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7145 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7146 computing the effective result type.
7148 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7151 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7152 (tree_overlaps_hard_reg_set): Declare.
7153 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7154 type and signature to match function type expected by walk_tree.
7155 (tree_overlaps_hard_reg_set): New function.
7156 (decl_conflicts_with_clobbers_p): Rename to:
7157 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7158 Use tree_overlaps_hard_reg_set. Changed caller.
7159 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7160 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7161 * cris.c (cris_md_asm_clobbers): Likewise.
7163 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7165 * reload1.c (emit_input_reload_insns): Delete code that tries to
7166 inherit using find_equiv_reg.
7168 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7170 * c-common.h (flag_const_strings): Don't declare.
7171 * c-common.c (flag_const_strings): Remove.
7172 * c.opt (fconst_strings): Remove.
7173 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7174 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7175 (c_common_init_options): Don't set flag_const_strings.
7176 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7178 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7180 * arm.md (tlobits_cbranch): New pattern.
7181 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7182 testing a single bit.
7184 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7187 * tree-ssa-pre.c (create_component_ref_by_pieces):
7188 Handle RETURN_DECL like VAR_DECL.
7190 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7193 * fold-const.c (fold_indirect_ref_1): Fold
7194 "*(foo *)&complexfoo" to "__real__ complexfoo"
7195 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7197 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7199 * tree-flow-inline.h (var_can_have_subvars):
7200 Volatile variables should not have subvariables.
7202 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7205 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7206 multiplying unsigned values.
7209 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7211 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7213 2006-02-08 Jason Merrill <jason@redhat.com>
7216 * tree.def: Elaborate on difference from MODIFY_EXPR.
7217 * doc/c-tree.texi (INIT_EXPR): Likewise.
7218 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7219 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7220 (gimplify_target_expr): Likewise.
7221 (gimplify_cond_expr): Remove target handling.
7222 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7223 (gimplify_expr): Clobber it here.
7224 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7225 Do return slot optimization if we have an INIT_EXPR.
7228 * tree-inline.c (declare_return_variable): Also clear
7229 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7232 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7235 * gimplify.c (gimplify_one_sizepos): Fix typo.
7237 2006-02-08 Jeff Law <law@redhat.com>
7239 PR tree-optimization/21417
7240 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7241 across a backedge if the control statement at the end of the
7242 block is data dependent on other statements in the same block.
7243 (record_temporary_equivalences_from_stmts): Remove over-conservative
7244 test for threading across backedges.
7246 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7247 control statement, handle all three special cases in the same
7248 manner as they all have the same desired solution. No longer
7249 special case edge flag updating when the post dominator is
7252 2006-02-08 Roger Sayle <roger@eyesopen.com>
7254 * tree.def (CHAR_TYPE): Remove.
7255 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7256 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7257 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7258 (gen_string_type_die): Delete unreachable function.
7260 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7261 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7262 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7263 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7264 * builtins.c (type_to_class): Likewise.
7265 * fold-const.c (fold_convert, build_range_check,
7266 merge_ranges): Likewise.
7267 * expr.c (count_type_elements): Likewise.
7268 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7269 * stor-layout.c (layout_type): Likewise.
7270 * ipa-type-escape.c (type_to_consider): Likewise.
7271 * gimplify.c (omp_firstprivatize_type_sizes,
7272 gimplify_type_sizes): Likewise.
7273 * explow.c (promote_mode): Likewise.
7274 * tree-sra.c (is_sra_scalar_type): Likewise.
7275 * varasm.c (output_constant): Likewise.
7276 * tree-inline.c (remap_type_1): Likewise.
7277 * convert.c (convert_to_pointer, convert_to_real,
7278 convert_to_integer, convert_to_complex): Likewise.
7280 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7282 * df-scan.c (df_def_record_1): A set destination may
7283 be a parallel regardless of mode.
7285 2006-02-08 Roger Sayle <roger@eyesopen.com>
7288 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7289 * config/mips/_tilib.c: Remove.
7290 * config/fixtfdi.c: New libgcc source file.
7291 * config/fixunstfdi.c: New source file.
7292 * config/floatditf.c: New source file.
7293 * config/floatunditf.c: New souce file.
7294 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7295 files above instead of config/mips/_tilib.c.
7296 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7298 2006-02-08 Jeff Law <law@redhat.com>
7300 PR tree-optimization/26169
7301 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7304 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7306 * df.h (DF_REG_SIZE): Return the length of the initialized
7309 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7311 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7312 __muldf3): Return a correctly signed zero.
7314 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7316 * passes.c (register_one_dump_file): Accept the current properties
7317 instead of pass number. Adjust call to dump_register. Remove
7319 (register_dump_files): Now a wrapper around...
7320 (register_dump_files_1): ... this one. Do not modify the pass
7322 (next_pass_1): Cosmetic fix.
7323 (execute_todo): Keep second parameter only. Use curr_properties
7324 instead of fetching it from the pass structure. Check and set
7326 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7327 instead of fetching it from the pass structure. Fix calls to
7328 execute_todo. Update curr_properties and initialize .vcg RTL dump
7329 after running the pass. Reset last_verified.
7330 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7332 (FIRST_AUTO_NUMBERED_DUMP): New.
7333 (dump_register): Remove "num" parameter, assign it within the
7335 (get_dump_file_name): Modify template for dumps.
7336 * tree-dump.h (dump_register): Adjust prototype.
7337 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7338 (PROP_trees): Add PROP_gimple_lomp.
7339 (TODO_set_props): New.
7340 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7341 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7342 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7344 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7346 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7347 (sparc64-*-linux*): Likewise.
7348 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7349 * config/sparc/t-linux: New file.
7350 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7351 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7352 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7353 -m32 -mlong-double-128.
7355 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7356 * config/alpha/t-linux: New file.
7357 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7359 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7360 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7361 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7362 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7363 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7364 (CPP_ARCH32_SPEC): Remove.
7366 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7368 PR tree-optimization/26145
7369 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7372 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7375 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7376 >= 240000 when generating code for SOM runtime.
7377 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7378 to $$dyncall when generating code for SOM runtime..
7380 2006-02-07 Dirk Mueller <dmueller@suse.com>
7383 * doc/invoke.texi (-Wsequence-point): Update documentation
7384 that -Wsequence-point is implemented for C++ as well.
7386 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7388 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7389 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7390 (LIB_SPEC): Likewise.
7391 * doc/invoke.texi (SPARC options): Document -pthread.
7393 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7395 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7398 2006-02-07 Roger Sayle <roger@eyesopen.com>
7400 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7401 Correct comment describing BOOLEAN_TYPE.
7403 2006-02-07 Dirk Mueller <dmueller@suse.com>
7405 * c.opt: C++ frontend supports -Wdiv-by-zero.
7406 * c-opts.c (c_common_handle_option): Remove dead case.
7408 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7410 * configure.ac (TLS assembler check): Do not enable TLS by
7411 default on SPARC/Solaris before version 10.
7412 * configure: Regenerate.
7414 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7416 * doc/invoke.texi (xl-compat): Document conversion and support
7419 2006-02-07 Jeff Law <law@redhat.com>
7421 * tree-vrp.c (find_conditional_asserts): Update comments.
7422 (simplify_stmt_for_jump_threading): New.
7423 (identify_jump_threads, finalize_jump_threads): New.
7424 (vrp_finalize): Call identify_jump_threads.
7425 (execute_vrp): Call finalize_jump_threads.
7426 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7427 (vrp_element, vrp_data, vrp_element_p): Remove.
7428 (vrp_hash_elt, vrp_variables_stack): Remove.
7429 (vrp_hash, vrp_eq, record_range): Remove.
7430 (simplify_cond_and_lookup_avail_expr): Remove.
7431 (extract_range_from_cond): Remove.
7432 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7433 (simplify_stmt_for_jump_threading): New.
7434 (dom_thread_across_edge): New wrapper.
7435 (tree_ssa_dominator_optimize): No longer initialize or
7436 finalize any of the VRP datastructures. Remove iteration
7437 step and simplify as a result of removal of iteration step.
7438 (pass_dominator): Perform a cfg cleanup after DOM.
7439 (dom_opt_finalize_block): Use the new common routines
7440 for threading jumps. Simplify stack management slightly.
7441 No longer need to unwind VRP state.
7442 (record_equivalences_from_incoming_edge): No longer record
7444 (eliminate_redundant_computations): No longer call
7445 simplify_cond_and_lookup_avail_expr.
7446 * tree-flow.h (potentially_threadable_block): Prototype.
7447 (thread_across_edge): Likewise.
7448 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7449 (tree-ssa-threadedge.o): Add dependencies.
7450 * tree-ssa-threadedge.c: New file.
7451 * passes.c (init_optimization_passes): Merge PHIs before
7452 calling VRP. Run VRP again late in the SSA optimization pipeline.
7454 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7456 * df-core.c (df_set_blocks): Do not dereference function pointers.
7457 (df_finish1): Likewise.
7458 (df_hybrid_search_forward): Likewise.
7459 (df_hybrid_search_backward): Likewise.
7460 (df_iterative_dataflow): Likewise.
7461 (df_analyze_problem): Likewise.
7462 (df_compact_blocks): Likewise.
7463 (df_dump): Likewise.
7464 * df-scan.c (df_rescan_blocks): Likewise.
7465 (df_record_entry_block_defs): Likewise.
7467 * genconditions.c (write_conditions): Guard the definition of
7468 'insn_conditions' with the check on GCC version.
7469 (write_writer): Guard the traversal 'insn_conditions' with
7470 the check on GCC version.
7472 2006-02-07 Richard Guenther <rguenther@suse.de>
7476 2006-01-30 Richard Guenther <rguenther@suse.de>
7478 * gimplify.c (gimplify_target_expr): Handle easy cases
7479 without creating a temporary.
7481 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7483 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7484 use of float in probability computations. Use edge probabilities
7485 in place of statically computed probabilities.
7486 (min_spec_prob): New static variable.
7487 (schedule_insns): Initialize it.
7488 (GET_SRC_PROB): Removed.
7489 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7491 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7494 * config/ia64/unwind-ia64.c: Revert last change.
7495 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7496 (INCOMING_FRAME_SP_OFFSET): Define.
7498 2006-02-06 Roger Sayle <roger@eyesopen.com>
7500 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7502 2006-02-07 Ben Elliston <bje@au.ibm.com>
7504 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7505 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7506 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7507 (ix86_return_in_memory): Handle TDmode.
7508 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7509 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7511 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7513 * reorg.c (dbr_schedule): Use dump_file instead of file.
7515 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7518 * config/ia64/predicates.md (extr_len_operand): New predicate.
7519 * config/ia64/ia64.md (extv): Tighten constraints.
7521 (*tbit_and_2): Ditto.
7522 (*tbit_and_3): Ditto.
7523 (*tbit_or_2): Ditto.
7524 (*tbit_or_3): Ditto.
7528 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7531 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7533 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7535 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7536 loop_optimizer_init and loop_optimizer_finalize
7537 * tree-ssa-sink.c (execute_sink_code): Ditto.
7538 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7539 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7540 tree_ssa_loop_done): Ditto.
7541 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7542 * sched-ebb.c: Include output.h.
7543 (schedule_ebbs): Do not use dump argument.
7544 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7545 * loop.c (loop_dump_stream): Removed.
7546 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7548 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7549 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7550 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7551 loop_iterations, strength_reduce, record_biv, record_giv,
7552 final_giv_value, check_final_value, check_ext_dependent_givs,
7553 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7554 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7555 dump_file instead of loop_dump_stream.
7556 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7558 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7560 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7561 * haifa-sched.c: Include output.h
7562 (schedule_insns, sched_init): Do not use dump argument.
7563 * mode-switching.c (optimize_mode_switching): Ditto.
7564 * modulo-sched.c (stats_file): Removed.
7565 (print_node_sched_params): Do not call argument dump_file.
7566 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7567 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7569 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7571 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7572 rtl_loop_init, rtl_loop_done): Ditto.
7573 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7574 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7576 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7577 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7578 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7579 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7580 * emit-rtl.c (renumber_insns): Ditto.
7581 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7582 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7583 * regclass.c (regclass): Ditto.
7584 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7585 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7586 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7587 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7589 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7590 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7592 * gcse.c (gcse_file, debug_stderr): Removed.
7593 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7594 rest_of_handle_gcse): Do not use dump argument.
7595 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7596 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7597 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7598 compute_code_hoist_vbeinout, compute_code_hoist_data,
7599 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7600 compute_store_table, build_store_vectors, insert_insn_start_bb,
7601 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7602 store_motion): Use dump_file instead of gcse_file.
7603 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7604 * profile.c (profile_dump_file): Removed.
7605 (branch_prob): Use dump_file instead of profile_dump_file.
7606 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7608 * tree-ssa-copy.c (dump_copy_of): Ditto.
7609 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7610 dump file to life_analysis.
7611 * bt-load.c (branch_target_load_optimize): Ditto.
7612 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7614 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7615 regclass, dbr_schedule): Declaration changed.
7616 * sched-int.h (sched_init): Declaration changed.
7617 * tree-profile.c (tree_profile_dump_file): Removed.
7618 (tree_profile_hooks): Removed profile_dump_file hook.
7619 * rtl-profile (rtl_profile_dump_file): Removed.
7620 (rtl_profile_hooks): emoved profile_dump_file hook.
7621 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7623 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7624 * tree-cfg.c (build_tree_cfg): Ditto.
7625 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7626 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7627 Declaration changed.
7628 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7629 life_analysis and schedule_insns.
7630 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7632 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7634 * config/mips/mips.c (mips_reorg): Ditto.
7635 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7638 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7640 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7641 (s390_mangle_fundamental_type): New.
7642 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7645 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7646 (alpha_mangle_fundamental_type): New.
7647 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7650 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7652 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7654 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7655 (sparc_mangle_fundamental_type): New.
7657 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7659 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7660 (s390x-*-linux*): Likewise.
7661 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7662 * config/s390/t-linux: New file.
7664 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7666 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7667 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7669 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7671 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7672 (ANTIC_SAFE_LOADS): New macro.
7673 (find_or_generate_expression): Add prototype.
7674 (set_contains_value): Allow null set for sake of not always having
7675 to allocate ANTIC_SAFE_LOADS.
7676 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7677 Allow COMPONENT_REF too.
7678 (valid_in_set): Allow COMPONENT_REF.
7679 Check ANTIC_SAFE_LOADS too.
7680 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7681 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7683 (can_PRE_operation): Add COMPONENT_REF.
7684 (create_component_ref_by_pieces): New function.
7685 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7686 (insert_aux): Move AGGREGATE_TYPE_P check here.
7687 (compute_avail): Set bb local stmt uids.
7688 (pass_pre): Use TODO_update_ssa_only_virtuals.
7690 2006-02-06 Ben Elliston <bje@au.ibm.com>
7692 * configure.ac: Unconditionally disable decimal float by default.
7693 * configure: Regenerate.
7695 2006-02-06 Ben Elliston <bje@au.ibm.com>
7697 * read-rtl.c (read_name): Terminate reading on EOF.
7699 2006-02-06 Ben Elliston <bje@au.ibm.com>
7701 * dfp.c (decimal_real_arithmetic): Change second argument type
7702 from int to enum tree_code. Do not always return true, but now
7703 return result of any call to decimal_do helper functions.
7704 * dfp.h (decimal_real_arithmetic): Update prototype.
7706 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7708 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7710 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7713 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7716 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7718 * tree-vrp.c (cfg_loops): Removed.
7719 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7720 Use current_loops instead of cfg_loops. Pass flags to
7721 loop_optimizer_init.
7722 * cfgloopmanip.c (fix_loop_structure): Update only available
7724 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7725 loop_optimizer_init.
7726 * modulo-sched.c (build_loops_structure): Removed.
7727 (sms_schedule): Use loop_optimizer_init.
7728 * loop-init.c (loop_optimizer_init): Use flags to determine
7729 which properties of loops to prepare.
7730 (rtl_loop_init): Pass flags to loop_optimizer_init.
7731 * tree-ssa-sink.c (execute_sink_code): Ditto.
7732 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7733 * tree-ssa-pre.c (init_pre): Ditto.
7734 * cfgloop.h (LOOPS_NORMAL): New.
7735 (loop_optimizer_init): Declaration changed.
7737 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7739 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7740 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7742 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7744 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7746 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7747 * pa/t-pa64: Delete quadlib.c rule.
7748 * pa/x-ada: Revert last change.
7749 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7751 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7753 PR rtl-optimization/26087
7754 * rtlanal.c (canonicalize_condition): Do not cross basic block
7757 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7760 * config/ia64/ia64.c: Include debug.h.
7761 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7762 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7763 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7764 (process_epilogue, process_set, process_for_unwind_directive):
7765 Output unwind info only if requested. Add CFA info if requested.
7766 Add new arguments as needed. Adjust callers.
7767 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7769 (DWARF2_FRAME_INFO): Define to zero.
7770 * config/ia64/unwind-ia64.c: Remove code that compensated for
7771 the CFA offset error fixed above.
7772 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7773 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7774 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7775 -funwind-tables and -fexceptions to enable frame info.
7776 (dwarf2out_frame_init): Define initial CFA even if
7777 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7778 DWARF2_UNWIND_INFO is nonzero, not just defined.
7779 (dwarf2out_frame_finish): Output non-EH call frame info only
7780 if DWARF2_FRAME_INFO is nonzero.
7781 (convert_cfa_to_loc_list,
7782 compute_frame_pointer_to_cfa_displacement): Define even if
7783 unwind info is not supported.
7784 (gen_subprogram_die): Use the above unconditionally. Remove
7785 legacy alternate code.
7786 * toplev.c (compile_file): Compile in call to
7787 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7788 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7790 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7791 Jakub Jelinek <jakub@redhat.com>
7793 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7794 IBM extended float format long double as "g" on powerpc*-linux.
7796 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7799 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7800 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7802 2006-02-03 Jason Merrill <jason@redhat.com>
7805 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7808 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7809 on the return slot if it's an NRV.
7811 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7813 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7814 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7815 rewrite_use): Do not handle USE_OUTER.
7816 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7817 add_iv_outer_candidates, may_replace_final_value,
7818 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7819 (find_interesting_uses_op): Functionality of
7820 find_interesting_uses_outer_or_nonlin moved here.
7821 (find_interesting_uses_outside): Use find_interesting_uses_op.
7823 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7826 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7828 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7829 Ulrich Weigand <uweigand@de.ibm.com>
7832 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7833 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7834 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7835 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7837 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7838 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7839 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7840 Define secondary reloads for TFmode moves.
7841 (constant_modes): Add TFmode.
7842 (NR_C_MODES): Set to 8.
7843 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7845 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7846 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7847 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7848 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7849 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7850 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7851 (FPR mode macro): Add TFmode.
7852 (DSF mode macro): New.
7853 (<de>, <dee> mode attributes): Removed.
7854 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7855 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7856 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7857 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7858 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7859 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7860 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7861 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7862 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7863 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7864 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7865 "*negabs<mode>2", "sqrt<mode>2"):
7866 Changed <de> to <xde>. R constraint replaced by <Rf>.
7867 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7869 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7870 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7871 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7873 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7874 "extenddftf2", "extendsftf2"): New expanders.
7875 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7876 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7877 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7878 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7880 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7881 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7882 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7883 __floatditf): Add a GCC_4.1.0 symbol version tag.
7884 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7887 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7890 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7891 Use targetm.binds_local_p instead of TREE_PUBLIC.
7893 2006-02-02 Roger Sayle <roger@eyesopen.com>
7895 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7896 on INTEGER_TYPEs to indicate that it denotes a character type.
7897 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7898 signed_char_type_node, unsigned_char_type_node and char_type_node.
7899 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7900 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7901 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7903 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7904 Daniel Berlin <dberlin@dberlin.org>
7906 * tree-tailcall.c (arg_needs_copy_p): New function.
7907 (eliminate_tail_call): Use arg_needs_copy_p.
7908 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7909 (add_virtual_phis): New function.
7911 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7913 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7914 #ignore instead of #scratch for %g7 .register directive.
7916 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7918 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7921 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7923 * flow.c (calculate_global_regs_live): Assert that there aren't any
7926 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7928 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7930 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7931 bsi_after_labels iterator.
7932 * tree-if-conv.c (find_phi_replacement_condition,
7933 replace_phi_with_cond_modify_expr): Likewise.
7934 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7935 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7937 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7939 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7941 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7944 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7945 array after growing it.
7947 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7950 * fold-const.c (fold_checksum_tree): Change type of buf.
7952 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7954 * reload.c (push_secondary_reload): Initialize t_icode.
7956 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7958 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7959 -msoft-float -mlong-double-128 only issue a warning, but don't
7960 swich to DFmode long double.
7962 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7964 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7965 has a constant equivalent, iterate over equivalents for arg0,
7966 calling simplify_relational_operation and if there's a result
7967 cheaper than X, apply fold_rtx and return the result.
7969 2006-02-01 Jan Hubicka <jh@suse.cz>
7971 * opts.c (no_unit_at_a_time_default): New global variable.
7972 (decode_options): Use it.
7973 * opts.h (no_unit_at_a_time_default): Declare.
7975 2006-02-01 Paul Brook <paul@codesourcery.com>
7977 * function.c (assign_parm_setup_reg): Use function argument promotion
7979 * expr.c (expand_expr_real_1): Use function argument promotion rules
7982 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7984 * gcc.c (process_command): Change j to 'unsigned int'.
7986 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7989 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7990 Use the corrected index for the character
7991 out of the string constant.
7993 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7995 * mode-switching.c (optimize_mode_switching): Fix size
7996 allocated for bb_info[n_entities].
7998 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
8000 * gcc.c (main): Correct type that is allocated for
8001 explicit_link_files.
8003 2006-01-31 Jakub Jelinek <jakub@redhat.com>
8005 * config/s390/s390.c (init_alignment_context): Set
8006 ALIAS_SET_MEMORY_BARRIER on the MEM.
8007 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
8009 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
8012 * loop-unroll.c (unroll_loop_runtime_iterations): Free
8014 * tree-ssa-live.c (type_var_init): Allocate bitmap after
8017 2006-01-31 Marcin Dalecki <martin@dalecki.de>
8019 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
8020 * regrename.c: Ditto.
8021 * tree-ssa-loop-im.c: Ditto.
8022 * tree-dump.c: Ditto.
8023 * tree-complex.c: Ditto.
8024 * genrecog.c: Ditto.
8025 * tree-ssa-threadupdate.c: Ditto.
8027 * java/class.c: Ditto.
8028 * java/jcf-parse.c: Ditto.
8029 * java/resource.c: Ditto.
8030 * java/except.c: Ditto.
8031 * java/jvspec.c: Ditto.
8032 * java/jcf-write.c: Ditto.
8033 * java/jcf-path.c: Ditto.
8034 * java/gjavah.c: Ditto.
8035 * java/zextract.c: Ditto.
8036 * java/jcf-io.c: Ditto.
8037 * java/jcf.h: Ditto.
8038 * java/buffer.c: Ditto.
8039 * java/lang.c: Ditto.
8040 * java/parse-scan.y: Ditto.
8041 * java/lex.c: Ditto.
8042 * java/lex.h: Ditto.
8043 * cfgloopmanip.c: Ditto.
8044 * postreload-gcse.c: Ditto.
8045 * tree-ssa-loop-manip.c: Ditto.
8046 * postreload.c: Ditto.
8047 * tree-ssa-loop-ch.c: Ditto.
8051 * diagnostic.c: Ditto.
8053 * genoutput.c: Ditto.
8055 * cfghooks.c: Ditto.
8056 * cfgloopanal.c: Ditto.
8057 * objc/objc-act.c: Ditto.
8059 * genextract.c: Ditto.
8060 * genautomata.c: Ditto.
8061 * pretty-print.c: Ditto.
8063 * cgraphunit.c: Ditto.
8066 * haifa-sched.c: Ditto.
8067 * dominance.c: Ditto.
8069 * tree-ssa-loop-ivopts.c: Ditto.
8071 * mode-switching.c: Ditto.
8072 * modulo-sched.c: Ditto.
8074 * ipa-pure-const.c: Ditto.
8076 * fix-header.c: Ditto.
8078 * tree-stdarg.c: Ditto.
8079 * ipa-utils.c: Ditto.
8080 * loop-init.c: Ditto.
8081 * ipa-inline.c: Ditto.
8084 * alloc-pool.c: Ditto.
8085 * dwarf2out.c: Ditto.
8087 * genattrtab.c: Ditto.
8088 * tree-ssa-loop-ivcanon.c: Ditto.
8092 * fortran/gfortranspec.c: Ditto.
8094 * local-alloc.c: Ditto.
8095 * langhooks.c: Ditto.
8096 * function.c: Ditto.
8097 * tree-vectorizer.c: Ditto.
8099 * ipa-type-escape.c: Ditto.
8101 * tree-if-conv.c: Ditto.
8104 * tree-data-ref.c: Ditto.
8105 * loop-unroll.c: Ditto.
8106 * treelang/treetree.c: Ditto.
8109 * ggc-common.c: Ditto.
8111 * coverage.c: Ditto.
8113 * tree-cfgcleanup.c: Ditto.
8114 * tree-ssa-pre.c: Ditto.
8115 * cfgcleanup.c: Ditto.
8116 * loop-invariant.c: Ditto.
8118 * ipa-prop.c: Ditto.
8119 * print-tree.c: Ditto.
8120 * conflict.c: Ditto.
8121 * ggc-page.c: Ditto.
8122 * sched-deps.c: Ditto.
8123 * regclass.c: Ditto.
8124 * tree-object-size.c: Ditto.
8126 * bb-reorder.c: Ditto.
8127 * resource.c: Ditto.
8128 * var-tracking.c: Ditto.
8130 * df-problems.c: Ditto.
8131 * reg-stack.c: Ditto.
8134 * sched-rgn.c: Ditto.
8135 * tree-ssa-structalias.c: Ditto.
8136 * tree-ssa-reassoc.c: Ditto.
8137 * config/darwin-c.c: Ditto.
8138 * config/darwin.c: Ditto.
8139 * config/arm/arm.c: Ditto.
8141 * collect2.c: Ditto.
8144 2006-01-31 Nicolas Pitre <nico@cam.org>
8146 * arm.md (smaxsi3): Make aware of smax_m1.
8149 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8151 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8153 2006-01-31 Richard Guenther <rguenther@suse.de>
8155 * doc/invoke.texi (-msselibm): Document.
8156 * target.h (expand_library_builtin): New target hook.
8157 * builtins.c (expand_builtin): Use expand_library_builtin.
8158 (default_expand_library_builtin): New function.
8159 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8160 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8161 (link_gcc_math_spec): Declare.
8162 (static_specs): Add link_gcc_math_spec.
8163 * expr.h (default_expand_library_builtin): Declare.
8164 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8165 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8166 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8167 * config/i386/i386.opt (msselibm): New target option.
8168 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8169 (ix86_init_sse_abi_builtins): New function.
8170 (ix86_expand_library_builtin): Likewise.
8171 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8172 (override_options): Handle error conditions wrt -msselibm.
8173 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8174 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8175 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8178 2006-01-31 Richard Guenther <rguenther@suse.de>
8179 Paolo Bonzini <bonzini@gnu.org>
8181 * doc/install.texi (--disable-libgcc-math): Document.
8183 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8185 * expr.h (expand_normal): new inline function.
8186 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8188 * dwarf2out.c: use it.
8193 * config/sparc/sparc.c: use it.
8194 * config/i386/i386.c: use it.
8195 * config/rs6000/rs6000.c: use it.
8196 * config/arm/arm.c: use it.
8197 * config/mips/mips.c: use it.
8198 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8200 2006-01-30 Roger Sayle <roger@eyesopen.com>
8202 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8203 argv to the appropriate type.
8205 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8207 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8210 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8213 * config/s390/s390.c (struct machine_function): New flag
8214 decomposed_literal_pool_addresses_ok_p.
8215 (s390_reorg): Set it before final stage of literal pool transforms.
8216 (s390_decompose_address): Only accept displacements of the form
8217 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8219 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8221 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8222 the comparison routine return.
8224 2006-01-30 Michael Matz <matz@suse.de>
8226 * global.c (find_reg): Only evict for global regs.
8227 Take n_refs into account and dump more info.
8229 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8232 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8233 (pragma_trap, pragma_nosave_low_regs): Likewise.
8234 (current_function_anonymous_args): Likewise.
8235 (sh_deferred_function_attributes): New variable.
8236 (sh_deferred_function_attributes_tail): Likewise.
8237 (print_operand): For '@', look up trap_exit attribute.
8238 (calc_live_regs): Look up trapa_handler attribute. For trapa
8239 handlers, save/restore fpscr, but don't do any other
8240 interrupt-specific saves.
8241 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8242 Fix check for partially saved registers to check for SHmedia.
8243 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8244 (sh_output_function_epilogue): Don't clear any of the removed
8246 (sh_insert_attributes): Don't check pragma_interrupt.
8247 Insert deferred attributes. Check that interrupt attribute is
8248 present for other attributes that require its presence.
8249 (sh_attribute_table): Add new attributes trapa_handler and
8251 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8252 Don't check for pragma_interrupt. Don't store argument.
8253 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8254 (sh_deferred_function_attributes): Declare.
8255 (sh_deferred_function_attributes_tail): Likewise.
8256 * sh.md (sp_switch_1): Add operand. Change generator caller.
8257 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8258 (*return_i): Don't use when trap_exit attribute is in effect.
8259 (*return_trapa): New insn pattern.
8261 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8262 setting c_target_objs and cxx_target_objs.
8263 * t-sh: Add rule for sh-c.o.
8265 2006-01-30 Richard Guenther <rguenther@suse.de>
8268 * gimplify.c (gimplify_target_expr): Handle easy cases
8269 without creating a temporary.
8271 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8273 * vec.h (safe_grow): Remove duplicated line.
8275 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8278 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8279 (expand_omp): ... here.
8280 (expand_omp_parallel): Only remove barriers for combined
8281 parallel+workshare constructs.
8283 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8287 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8288 * tree.c (build_qualified_type): Chain the new type to the original
8289 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8290 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8291 (build_pointer_type_for_mode): Only return unqualified types.
8292 (build_reference_type_for_mode): Likewise.
8294 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8296 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8297 * Makefile.in (CXX_COMPAT_WARN): Define.
8298 * configure: Regenerate.
8300 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8303 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8306 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8308 * toplev.c: Fix thinko.
8310 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8311 Marcin Dalecki <martin@dalecki.de>
8313 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8314 (push_srcloc): Use XNEW.
8315 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8317 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8319 * df-core.c (df_set_blocks): Deleted all variable.
8321 2006-01-28 Ian Lance Taylor <ian@airs.com>
8323 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8324 cgraph_output_pending_asms.
8326 2006-01-28 Zack Weinberg <zackw@panix.com>
8328 * c.opt: Add -W(no-)overlength-strings.
8329 * doc/invoke.texi: Document it.
8330 * c-opts.c (c_common_handle_option): -pedantic implies
8331 -Woverlength-strings, if not explicitly disabled already.
8332 (c_common_post_options): -Woverlength-strings defaults to off, and
8333 is always off for C++.
8334 * c-common.c (fix_string_type): Issue warning about strings longer
8335 than is portable only if warn_overlength_strings. Rearrange code
8336 a little for clarity.
8337 * configure.in: Check for -Wno-overlength-strings as well before
8338 enabling -pedantic in stage 1.
8339 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8340 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8342 * genconditions.c (write_header, write_one_condition)
8343 (write_conditions, write_writer): Consolidate very long strings
8344 that were broken up to fit in C89 portable limit. Don't use
8345 printf when fputs will do.
8347 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8349 * combine.c (simplify_comparison <AND>): Check
8350 TRULY_NOOP_TRUNCATION before start using a subreg.
8352 * config/mips/mips.md (*branch_zero<mode>,
8353 *branch_zero<mode>_inverted, *branch_equality<mode>,
8354 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8355 Remove mode check from comparisons.
8357 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8359 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8361 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8363 * expmed.c (const_mult_add_overflow_p): Remove.
8364 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8366 * recog.c (validate_replace_rtx_subexp): Remove.
8367 * recog.h: Remove the prototype for
8368 validate_replace_rtx_subexp.
8370 * integrate.h: Remove the prototype for
8371 copy_decl_for_inlining.
8372 * rtl.h: Remove the prototype for mark_constant_function.
8373 * tree-vectorizer.h: Remove the prototype for
8374 vect_strip_conversion.
8376 * modulo-sched.c (create_partial_schedule,
8377 free_partial_schedule, reset_partial_schedule): Make them
8380 * hooks.c (hook_bool_rtx_int_false): Remove.
8381 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8383 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8385 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8386 and -mlong-double-128 are incompatible.
8387 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8388 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8389 (TARGET_LIBGCC2_CFLAGS): Define.
8390 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8391 (TARGET_LIBGCC2_CFLAGS): Same.
8392 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8394 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8397 * c-typeck.c (build_binary_op): Perform implicit casts of
8398 operands before shortening them.
8400 * cfgloopmanip.c (split_loop_bb): Remove.
8401 * cfgloop.h: Remove the prototype for split_loop_bb.
8403 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8404 * cfgloop.h: Remove the prototype for
8405 flow_loop_outside_edge_p.
8407 * emit-rtl.c (init_virtual_regs): Make it static.
8408 * function.h: Remove the prototype for init_virtual_regs.
8410 * recog.c (peephole2_optimize): Make it static.
8411 * recog.h: Remove the prototype for peephole2_optimize.
8413 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8415 * df-scan.c (df_record_entry_block_defs): Check if
8416 INCOMING_RETURN_ADDR_RTX is defined.
8418 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8419 Kenneth Zadeck <zadeck@naturalbridge.com>
8421 PR rtl-optimization/24762
8422 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8423 * targhooks.c (hook_void_bitmap): New hook prototype.
8424 * targhoohs.h (hook_void_bitmap): Ditto.
8425 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8426 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8427 * target.h (live_on_entry): New function pointer.
8428 * df-scan.c (df_all_hard_regs): Removed.
8429 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8430 (df_scan_free_internal): Added df->entry_block_defs.
8431 (df_scan_alloc): Ditto.
8432 (df_scan_dump): Ditto.
8433 (df_uses_record): Plumbed flag field properly thru calls.
8434 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8435 This part fixes PR24762.
8436 (df_bb_refs_record): Added code to make the frame and arg
8437 pointers live in EH blocks.
8438 (df_refs_record): Added call to df_record_entry_block_defs.
8439 (df_record_entry_block_defs): New function.
8440 * df-core.c: Added comments to describe new artifical defs.
8441 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8442 (entry_block_defs): New field in struct df.
8443 (df_all_hard_regs): Deleted.
8444 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8445 * df-problems.c (df_ru_bb_local_compute_process_def):
8446 Added code to handle artifical defs in the entry to a function.
8447 (df_ru_bb_local_compute): Ditto.
8448 (df_rd_bb_local_compute_process_def): Ditto.
8449 (df_rd_bb_local_compute): Ditto.
8450 (df_lr_bb_local_compute): Ditto.
8451 (df_ur_bb_local_compute): Ditto.
8452 (df_urec_bb_local_compute): Ditto.
8453 (df_chain_create_bb): Ditto.
8454 (df_ur_local_finalize): Removed entry.
8455 (df_urec_init): Ditto.
8456 (df_urec_local_finalize): Ditto.
8457 (df_ri_bb_compute): Added detection of last use of pseudos.
8458 * Makefile.in (df-scan.o): Updated dependencies.
8459 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8460 * config/mips/mips.c (mips_set_live_on_entry): Added.
8461 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8463 * dce.c (marked_insn_p): Added code to handle artifical defs.
8465 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8467 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8469 (_mm_cvtsi128_si64): Likewise.
8470 (_mm_cvtsd_si64): Likewise.
8471 (_mm_cvttsd_si64): Likewise.
8472 (_mm_cvtsi64_sd): Likewise.
8473 (_mm_cvtsi64_si128): Likewise.
8474 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8475 (_mm_cvtsi64_m64): Likewise.
8476 (_m_to_int64): Likewise.
8477 (_mm_cvtm64_si64): Likewise.
8478 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8479 (_mm_cvttss_si64): Likewise.
8480 (_mm_cvtsi64_ss): Likewise.
8481 (_mm_cvtss_f32): Likewise.
8483 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8485 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8486 for pragma redefine_extname.
8488 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8491 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8492 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8493 -mno-minimal-toc to previous content.
8494 (bispecs): Remove goal.
8495 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8496 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8497 compatibility aliases on powerpc-*-*gnu*.
8498 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8499 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8500 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8501 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8502 (ldblspecs): New goal.
8503 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8504 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8506 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8507 L_sf_to_tf or L_df_to_tf is defined.
8509 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8510 Alan Modra <amodra@bigpond.net.au>
8513 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8514 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8515 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8516 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8517 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8518 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8519 (rs6000_override_options): Initialize rs6000_ieeequad.
8520 Initialize TFmode format to ibm_extended_format if not
8522 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8524 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8525 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8526 (function_arg_advance): IBM long double passed in two FPRs, not
8528 (function_arg): IBM long double passed in FPRs.
8529 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8530 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8531 Only multireg GPR aligned.
8532 (rs6000_init_libfuncs): Enable IBM long double functions if not
8534 (rs6000_generate_compare): Use IBM long double compare if not
8536 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8537 (TARGET_IEEEQUAD): Define.
8538 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8539 not TARGET_IEEEQUAD.
8540 * config/rs6000/rs6000.md: Enable TFmode patterns if
8542 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8543 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8544 and -mlong-double-128 are incompatible.
8545 * doc/invoke.texi (-mabi): Collect options together. Add
8546 ibmlongdouble and ieeelongdouble.
8548 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8550 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8552 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8553 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8554 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8555 * rtl.h (rtunion_def): Remove rt_ptr.
8557 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8558 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8559 * config/i386/winnt.c (i386_pe_mark_dllexport)
8560 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8562 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8564 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8566 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8570 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8571 pthread_key_delete. From John David Anglin. gthrw-ify
8572 pthread_getunique_np only if it it's not a macro. Delete
8574 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8575 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8576 __gthread_objc_condition_signal, __gthread_key_delete): Add
8577 "__attribute__ ((__unused__))" to unused arguments.
8578 (__gthread_recursive_mutex_init_function): Add missing return.
8579 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8580 gthr-posix95.h: Use macro-based approach for name redirection
8581 on targets missing weakref.
8583 2006-01-26 Zack Weinberg <zackw@panix.com>
8585 * genconditions.c (write_header): In generated code, #ifdef out
8586 all includes and fake declarations, except includes of bconfig.h
8587 and system.h, unless GCC_VERSION >= 3001. Do not include
8588 gensupport.h in any case.
8589 (write_conditions): Generate a definition of struct c_test. Add
8590 a comment to the generated #endif.
8591 (write_one_condition): Escape backslashes in string too.
8592 (write_writer): Generated code must escape backslashes and quote
8593 marks (but not newlines) in the strings it writes.
8594 * Makefile.in (build/gencondmd.o): Update dependencies.
8596 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8599 * Makefile.in (insn-automata.o): Add header file dependencies.
8600 * genautomata.c: Add includes.
8602 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8605 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8607 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8609 * configure.ac: Expect target tools paths to be passed from the toplevel
8610 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8612 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8614 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8617 * c.opt (Wpointer-sign): Init to -1.
8618 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8619 OPT_pedantic, to 0 otherwise.
8620 * doc/invoke.texi: Update.
8622 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8624 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8625 constants provided by 80387 instructions in the destination mode.
8627 2006-01-26 Richard Guenther <rguenther@suse.de>
8628 Andrew Pinski <pinskia@physics.uc.edu>
8631 partial PR tree-opt/17064
8632 * tree-ssa-structalias.c (intra_create_variable_infos):
8633 Create heap variables for incoming parameters if
8634 flag_argument_noalias > 1.
8635 (find_what_p_points_to): Look through default defs of
8638 2006-01-26 Jeff Law <law@redhat.com>
8641 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8642 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8643 within the VR_RANGE, use the VR_RANGE as the result, not the
8645 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8646 bounds for the type.
8648 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8650 * tree-ssa-alias.c (maybe_create_global_var): Change
8651 subvar walking to an assertion that we don't have subvar'd variables.
8653 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8656 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8657 Use a new variable, inner. PARM_DECLs are always non-weak.
8659 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8661 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8664 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8666 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8668 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8670 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8671 (smax_insn, smin_insn, smax_0, smin_0): New.
8673 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8676 * config/cris/cris.c (cris_order_for_addsi3): New function.
8677 * config/cris/cris-protos.h: Prototype it.
8678 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8679 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8680 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8681 (split for "op.S1 [rx=rx+i],ry (swapped)")
8682 (split for "op(s|u).S1 [rx=rx+i],ry")
8683 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8684 Apply cris_order_for_addsi3 when generating addsi3 insns.
8686 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8688 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8689 (TREE_BLOCK): Add call to EXPR_CHECK.
8691 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8694 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8695 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8696 (dump_omp_clauses): ... here.
8697 (dump_generic_node): Handle OMP_CLAUSE.
8698 * tree.c (omp_clause_num_ops): New.
8699 (omp_clause_code_name): New.
8700 (tree_code_size): Handle OMP_CLAUSE.
8701 (tree_size): Likewise.
8702 (make_node): Document handling of OMP_CLAUSE.
8703 (tree_node_structure): Handle OMP_CLAUSE.
8704 (omp_clause_check_failed): New.
8705 (omp_clause_range_check_failed): New.
8706 (omp_clause_operand_check_failed): New.
8707 (build_omp_clause): New.
8708 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8709 * tree.h (enum omp_clause_code): Declare.
8710 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8711 (OMP_CLAUSE_RANGE_CHECK): Define.
8712 (OMP_CLAUSE_ELT_CHECK): Define.
8713 (omp_clause_check_failed): Declare.
8714 (omp_clause_operand_check_failed): Declare.
8715 (omp_clause_range_check_failed): Declare.
8716 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8717 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8718 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8719 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8720 (OMP_CLAUSE_IF_EXPR): Likewise.
8721 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8722 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8723 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8724 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8725 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8726 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8727 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8728 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8729 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8730 (OMP_CLAUSE_CODE): Define.
8731 (OMP_CLAUSE_SET_CODE): Define.
8732 (OMP_CLAUSE_CODE): Define.
8733 (OMP_CLAUSE_OPERAND): Define.
8734 (struct tree_omp_clause): Declare.
8735 (union tree_node): Add field 'omp_clause'.
8736 * treestruct.def (TS_OMP_CLAUSE): Define.
8737 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8738 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8739 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8740 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8741 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8742 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8743 (OMP_CLAUSE): Define.
8744 * print-tree.c (print_node): Handle OMP_CLAUSE.
8745 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8746 * c-typeck.c: Likewise.
8747 * gimplify.c: Likewise.
8748 * c-omp.c: Likewise.
8749 * tree-nested.c: Likewise.
8750 * tree-inline.c: Likewise.
8751 * c-parser.c: Likewise.
8752 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8755 2006-01-25 Roger Sayle <roger@eyesopen.com>
8757 PR rtl-optimization/25703
8758 * combine.c (try_combine): Handle zero_extract and strict_low_part
8759 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8761 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8763 * global.c: Fix comment typos.
8765 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8768 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8769 Use output_addr_const instead of assemble_name.
8771 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8773 * Makefile.in (sched-vis.o): Update dependencies.
8774 * haifa-sched.c (sched_finish): Clear current_sched_info.
8775 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8776 (dump_flow_info): Call it.
8777 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8779 * basic-block.h (dump_bb_info): Declare.
8780 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8781 option, and apply options only for dump files whose TDF_RTL,
8782 TDF_TREE, or TDF_IPA bits match.
8783 * rtl.h: Declare new functions exported from sched-vis.c.
8784 * sched-vis.c: Enable also if scheduling is not used.
8785 (print_value): Print the mode of registers if not inside scheduling.
8786 (print_insn): Make it work outside the scheduler. Beautify the output
8788 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8790 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8792 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8793 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8794 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8795 depending on the value of CONSTANT_POOL_ADDRESS_P.
8796 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8798 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8799 rather than SYMBOL_REF_DECL.
8800 (rtx_constant_pool): Remove const_rtx_sym_htab.
8801 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8802 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8803 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8804 Remove handling of const_rtx_sym_htab.
8805 (find_pool_constant): Delete.
8806 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8807 rather than find_pool_constant.
8808 (get_pool_constant_for_function): Delete.
8809 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8811 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8812 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8813 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8814 (SYMBOL_REF_CONSTANT): New macro.
8815 (get_pool_constant_for_function): Delete.
8816 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8817 rather than SYMBOL_REF_DECL.
8818 (i386_pe_mark_dllimport): Likewise.
8819 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8820 rather than SYMBOL_REF_DECL.
8821 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8822 (machopic_indirect_call_target): Likewise.
8824 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8826 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8828 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8830 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8832 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8834 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8836 2006-01-24 David Daney <ddaney@avtrex.com>
8839 * configure.ac (enable_tls): New enable option.
8840 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8841 * configure: Regenerate.
8842 * doc/install.texi (--enable-tls): Document new option.
8843 (--disable-tls): Ditto.
8845 2006-01-24 Richard Henderson <rth@redehat.com>
8847 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8848 * alias.c (true_dependence): Respect it.
8849 (canon_true_dependence, write_dependence_p): Likewise.
8850 * builtins.c (get_builtin_sync_mem): Set it.
8852 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8854 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8857 2006-01-24 DJ Delorie <dj@redhat.com>
8859 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8860 for storing constants in single-bit bitfields.
8862 2006-01-25 Ben Elliston <bje@au.ibm.com>
8864 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8866 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8869 * tree-ssa-pre.c (phi_translate): Return NULL
8870 for AGGREGATE_TYPE's.
8872 2006-01-24 Zack Weinberg <zackw@panix.com>
8874 * genautomata.c (process_state_for_insn_equiv_partition):
8875 Use xcalloc for insn_arcs_array.
8876 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8877 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8879 2006-01-24 Richard Henderson <rth@redhat.com>
8881 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8884 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8886 PR rtl-optimization/25890
8887 PR rtl-optimization/25905
8888 * combine.c (expand_compound_operation, expand_field_assignment):
8889 Fail if the bitfield's final position is out of bounds.
8891 2006-01-24 Ian Lance Taylor <ian@airs.com>
8894 * cgraphunit.c (cgraph_output_in_order): Don't clear
8895 cgraph_asm_nodes until after asm strings have been output.
8897 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8899 * fix-header.c (read_scan_file): Add new parameter imultilib when
8900 calling register_include_chains.
8902 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8904 * omp-low.c: Update documentation.
8906 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8907 Daniel Berlin <dberlin@dberlin.org>
8911 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8912 return from the function.
8914 2006-01-22 Zack Weinberg <zackw@panix.com>
8916 * rtl.def (match_code): Add second argument.
8917 * genpreds.c (write_extract_subexp): New function.
8918 (write_match_code): Add path argument. Use write_extract_subexp.
8919 (write_predicate_expr): Pass path to write_match_code.
8920 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8921 not perform a mode test.
8922 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8923 a subexpression does not constrain the top-level code set.
8924 * read-rtl.c (read_rtx_variadic): New function.
8925 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8926 * doc/md.texi: Document new notation.
8927 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8928 (cmpsi_operand): ... here, using new notation.
8930 2006-01-22 Zack Weinberg <zackw@panix.com>
8932 * varray.c: Remove GENERATOR_FILE #ifdefs.
8934 2006-01-22 Zack Weinberg <zackw@panix.com>
8936 * genautomata.c (output_reserved_units_table): Emit nothing if
8937 description->query_units_num is zero. Remove extra blank line.
8938 (output_cpu_unit_reservation_p): Short circuit
8939 if description->query_units_num is zero.
8941 2006-01-22 Zack Weinberg <zackw@panix.com>
8943 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8944 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8945 nor any of the random handful of variables that used to be necessary
8946 when this program was linked with rtlanal.o. Prune set of forward
8947 function declarations.
8948 (struct attr_desc): Remove static_p field.
8949 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8950 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8951 (attr_string): Do not read the character one past the length of
8953 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8954 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8955 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8956 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8957 (make_automaton_attrs): New.
8958 (main): Do not call into genautomata. Call local gen_bypass
8959 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8960 Remove special case for insn_alts.
8961 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8962 varray.h (leftover from previous change). Prune set of forward
8963 function declarations. Remove state_alts fields from all
8964 structures. Remove state_alts_table from struct automaton.
8965 Make everything except main static. Do not maintain num_dfa_decls.
8966 Do not maintain state_alts fields of various structures.
8967 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8968 (add_arc): Remove state_alts argument. All callers updated.
8969 (output_reserved_units_table): Emit #ifdef here...
8970 (output_tables): ...not here. Don't generate state_alts tables.
8971 (expand_automata): Don't generate attributes.
8972 (write_automata): Don't generate state_alts functions.
8973 (main): New function.
8974 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8975 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8976 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8977 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8978 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8979 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8980 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8981 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8983 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8984 * genattrtab.h: Delete file.
8985 * Makefile.in (OBJS-common): Add insn-automata.o.
8986 (insn-automata.o): New rule.
8987 (simple_generated_c): Add insn-automata.c.
8988 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8989 (genprogmd): Add automata.
8990 (build/genattrtab): Needs no extra objects nor libraries.
8991 (build/genautomata): Needs build/vec.o and -lm.
8993 2006-01-22 Zack Weinberg <zackw@panix.com>
8995 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8996 (output_dfa_max_issue_rate, locked_states_num): Delete.
8997 (struct automaton): Add locked_states field.
8998 (output_dead_lock_vect): Save number of locked states in
8999 automaton->locked_states. If it is zero, don't print anything.
9000 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
9001 (output_internal_dead_lock_func): Only test the dead_lock_vect
9002 for automata that have locked states.
9003 (output_statistics): Always print the number of locked states for
9004 each automaton. Calculate total number of locked states here.
9005 (write_automata): Don't call output_dfa_max_issue_rate.
9006 * genattrtab.c: Define length_unit_log as a const variable.
9007 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
9008 max_insn_queue_index const.
9009 * final.c (length_unit_log): Declare const.
9010 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
9012 2006-01-22 Zack Weinberg <zackw@panix.com>
9014 * genautomata.c: Include vec.h, not varray.h.
9015 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
9016 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
9017 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
9018 VEC_* macros operating on appropriately typed vectors, or to
9019 malloced arrays when the size is known in advance. Const-ify
9020 many char* variables and function arguments. No functional changes.
9021 * Makefile.in (build/varray.o): Delete rule.
9022 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
9023 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
9025 2006-01-22 Zack Weinberg <zackw@panix.com>
9027 * gensupport.c: Define get_insn_name and record_insn_name here.
9028 (read_md_rtx): Call record_insn_name as appropriate.
9029 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
9030 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
9031 * genpreds.c, genrecog.c: Don't define get_insn_name nor
9033 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
9034 (BUILD_VARRAY): Delete.
9035 (genprognormal): Rename genprogmd. Fold in all programs from
9036 genprognoprint; also attrtab.
9037 (build/genattrtab): Just mention genautomata.o and varray.o.
9038 Reorganize a bit, add comments to make the categories clearer.
9040 2006-01-22 Zack Weinberg <zackw@panix.com>
9042 * genconditions.c (condition_table, add_condition): Delete.
9043 (write_conditions): Don't emit n_insn_conditions nor
9044 insn_elision_unavailable. Issue the gcc version #ifdef here,
9045 inside the table, with no #else clause ...
9046 (write_header): ...not here.
9047 (write_writer): New function.
9048 (main): Don't initialize condition_table. Use add_c_test.
9050 * gensupport.c (init_md_reader_args_cb): Handle multiple input
9051 files on the command line.
9052 (maybe_eval_c_test): Don't check insn_elision_unavailable.
9053 Return -1 if there is no entry in the table, don't abort.
9054 (add_c_test, traverse_c_tests): New functions.
9055 * gensupport.h (insn_elision_unavailable, insn_conditions)
9056 (n_insn_conditions): Delete declarations.
9057 (add_c_test, traverse_c_tests): Declare.
9058 * read-rtl.c: Include gensupport.h.
9059 (read_conditions): New function.
9060 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9061 (read_rtx_1): If we get EOF when we were looking for an initial
9062 open paren, return 0. Call read_conditions when appropriate.
9063 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9064 dummy-conditions.o. Eliminate references to insn-conditions.o,
9065 or change them to build/gencondmd.o, as appropriate. Remove
9066 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9067 from $(simple_generated_c). For all files remaining in those
9068 two lists, add insn-conditions.md to the generator command line.
9069 Give insn-constants.h/s-constants their own rules. Add rules
9070 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9071 (build/read-rtl.o): Depend on gensupport.h.
9072 (genprognormal): Include preds.
9073 (genprogearly): Rename genprognoprint; only difference is now that
9074 they don't link with $(BUILD_PRINT).
9075 * dummy-conditions.c: Delete.
9077 2006-01-22 Zack Weinberg <zackw@panix.com>
9079 * genextract.c: Don't include insn-config.h. Do include vec.h.
9080 Declare vectors of int, char, and locstr.
9081 (locstr): New typedef.
9082 (struct extraction): Make all array fields into bare pointers.
9083 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9084 (insn_code_number): Delete.
9085 (accum_extract): New struct.
9086 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9087 (gen_insn): Take insn_code_number as an argument. Use an
9088 accum_extract structure instead of loading data directly into
9089 a struct extraction, and having to know how big it might get.
9090 (walk_rtx): Operate entirely on an accum_extract structure.
9091 (print_path): Avoid unnecessary use of printf.
9092 (print_header): New function, split out of main. Distinguish
9093 more carefully between an unrecognizable insn and an insn that
9094 has the code number of a define_expand.
9095 (main): Pass insn_code_number to gen_insn. Call print_header
9096 only after parsing. Avoid unnecessary use of printf.
9097 * Makefile.in (build/vec.o): New rule.
9098 (build/genextract): Depend on build/vec.o.
9099 (build/genextract.o): Don't depend on insn-config.h.
9101 2006-01-22 Zack Weinberg <zackw@panix.com>
9103 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9104 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9105 practical. Eliminate per-generator-program link rules.
9107 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9110 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9111 with a call expr to ...
9112 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9114 2006-01-23 Richard Guenther <rguenther@suse.de>
9116 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9117 before make_edge with conditional EDGE_TRUE_VALUE.
9119 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9120 Jan Hubicka <jh@suse.cz>
9121 Richard Guenther <rguenther@suse.de>
9123 PR rtl-optimization/25654
9124 * cfgexpand.c (aggregate_contains_union_type): New function.
9125 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9126 for structure variables that contain a union type.
9128 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9130 * gengtype.c (new_structure): Return the structure.
9131 (create_option): Add an extra "next" argument.
9132 (create_field): New function.
9133 (adjust_field_rtx_def): Use create_option and create_field.
9134 Remove a now-unnecessary call to find_structure.
9135 (adjust_field_tree_def): Likewise.
9136 (note_yacc_type): Remove an unnecessary call to find_structure.
9137 * gengtype.h (new_structure): Return the structure.
9138 (create_option): Add an extra argument.
9139 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9140 (option): Adjust calls to create_option.
9142 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9144 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9146 2006-01-22 Paul Brook <paul@codesourcery.com>
9147 Peter Barada <peter@the-baradas.com>
9149 * config/m68k/m68k.md: Add Coldfire FPU support.
9150 Define FP mode macro and associated attributes.
9151 Use it for float mode patterns.
9152 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9153 (LIBCALL_VALUE): Use m68k_libcall_value.
9154 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9155 (m68k_function_value): Ditto.
9156 (emit_move_sequence): Ditto.
9157 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9158 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9159 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9160 (MULTILIB_EXCEPTIONS): Ditto.
9161 * config/m68k/m68k.opt: Add mcfv4e.
9162 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9163 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9164 (m68k_output_function_prologue): Save ColdFire FPU registers.
9165 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9166 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9167 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9168 ColdFire FPU registers.
9169 (m68k_libcall_value, m68k_function_value): New functions.
9170 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9171 (LIBCALL_VALUE): Use m68k_libcall_value.
9172 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9173 (MASK_COLDFIRE): Add MASK_CFV4E.
9174 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9175 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9176 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9177 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9178 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9179 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9180 * doc/invoke.tex: Document -mcfv4e on m68k.
9182 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9184 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9187 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9190 * c-opts.c (c_common_handle_option): Don't include
9191 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9192 * doc/invoke.texi (C++ Dialect Options): Document that
9193 -Wnon-virtual-dtor is no longer included in -Wall.
9195 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9197 * gcov.c (print_version), gcov-dump.c (print_version),
9198 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9201 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9203 * df-scan.c (problem_SCAN): Added NULL reset function.
9204 (df_scan_reset_blocks): Added code to call reset block function
9205 (df_bb_refs_delete) Fixed comment.
9206 (df_insn_refs_delete): Made tolerant of deleting non existent info
9207 for dataflow problems that need to be reset.
9208 * df-core.c (df_set_blocks): Ditto.
9209 * df.h (struct df_problem): Added reset_fun.
9210 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9211 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9212 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9213 functions to clear out all references to def-use or use-def chains.
9215 2006-01-21 Ben Elliston <bje@au.ibm.com>
9217 * varasm.c (assemble_real): Initialise data array.
9219 2006-01-20 Paul Brook <paul@codesourcery.com>
9221 Merge from csl-arm-branch.
9222 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9223 * config/arm/arm.md (movdi): Force operands[1] to a register
9224 if we have a non-register source.
9225 (*arm_movdi, *movdf_soft_insn): Require that one of the
9226 operands be a register.
9227 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9228 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9230 2006-01-20 DJ Delorie <dj@redhat.com>
9232 * varasm.c (initialize_constant_valid_p): Allow pointers
9233 initialized from integer constants of lesser precision.
9234 (output_constant): Allow non-int-sized pointer modes to be
9235 initialized from integer constants.
9237 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9240 * cppdefault.h (struct default_include): Add multilib flag.
9241 * cppdefault.c (cpp_include_defaults): Set it.
9242 * c.opt (-imultilib): New option.
9243 * c-opts.c (imultilib): New.
9244 (c_common_handle_option): Handle -imultilib.
9245 (c_common_post_options): Likewise.
9246 * c-incpath.c (add_standard_paths, register_include_chains):
9248 * c-incpath.h (register_include_chains): Add extra parameter.
9249 * gcc.c (do_spec_1): Generate -imultilib option.
9250 (The Specs Language): Update %I description.
9251 (process_command): Update copyright notice.
9252 * doc/cppopts.texi (-imultilib): Document.
9253 * doc/invoke.texi (-imultilib): Include in option summary.
9254 (%I): Update specs documentation.
9256 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9258 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9260 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9262 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9265 2006-01-20 Richard Guenther <rguenther@suse.de>
9266 Steven Bosscher <stevenb.gcc@gmail.com>
9268 PR rtl-optimization/24626
9269 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9270 EDGE_TRUE_VALUE if in RTL mode.
9273 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9274 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9276 2006-01-20 Dirk Mueller <dmueller@suse.com>
9279 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9280 instead of a special NOP marker.
9281 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9282 NOP marker handling.
9283 * c-common.h (empty_body_warning): Add forward declaration.
9284 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9285 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9287 2006-01-20 Paul Brook <paul@codesourcery.com>
9289 * Makefile.in (lang_checks): Keep going if mkdir fails.
9291 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9293 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9294 be able to clean out basic block when not necessary.
9295 (df_scan_free): Fixed to properly delete information if df is
9296 unused before calling df_finish.
9297 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9298 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9300 (df_bb_refs_delete): New function.
9301 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9302 * df-core.c (df_set_blocks): Added code to properly clean out
9303 unused blocks if they are not part of the blocks to consider.
9304 Added additional null check.
9305 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9306 be able to clean out basic block when not necessary
9307 * df.h (df_free_bb_function): Ditto.
9308 (df_bb_refs_delete): New function.
9309 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9310 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9311 basic block parameter to be able to clean out basic block when not
9313 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9314 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9315 Fixed to properly delete information if df is unused before
9318 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9320 PR rtl-optimization/25799
9321 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9322 Corrected confluence operator to remove bits from op2 before oring
9323 with op1 rather than removing bits from op1.
9324 (df_ru_transfer_function): Corrected test on wrong bitmap which
9325 caused infinite loop. Both of these problems were introduced in
9326 the dataflow rewrite.
9328 2006-01-19 DJ Delorie <dj@redhat.com>
9330 * reload1.c (find_reload_regs): Note the details of reload
9331 failures in the dump file.
9332 (spill_failure): Likewise.
9334 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9336 * loop-iv.c: Include df.h and hashtab.h.
9337 (enum iv_grd_result): New enum.
9338 (DF_REF_IV, DF_REF_IV_SET): New macros.
9339 (struct biv_entry): New.
9340 (df, bivs): New global variables.
9341 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9342 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9344 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9345 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9346 analyzed_for_bivness_p, record_biv): New functions.
9347 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9348 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9349 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9351 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9353 (iv_number_of_iterations): Use new interface to iv analysis.
9354 * loop-unroll.c: Do not include varray.h.
9355 (analyze_iv_to_split_insn): Use new interface to iv
9357 * loop-unswitch.c (may_unswitch_on): Ditto.
9358 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9360 (df_bb_modify): Realloc tables to the new index.
9361 (df_find_use): New function.
9362 * df.h (df_find_use): Declare.
9363 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9365 * cfgloop.h (struct rtx_iv): Remove analysed field.
9366 (iv_get_reaching_def): Removed.
9367 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9368 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9369 (loop-iv.o): Add df.h and hashtab.h dependency.
9370 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9372 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9375 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9377 (__floatundisf, __floatundidf): Likewise.
9378 * libgcc2.h (IS_IBM_EXTENDED): Define.
9380 2006-01-19 DJ Delorie <dj@redhat.com>
9382 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9384 2006-01-19 Paul Brook <paul@codesourcery.com>
9386 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9387 as nothrow when unwinding tables are disabled.
9389 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9392 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9393 of bit-field" when in system header.
9395 2006-01-19 DJ Delorie <dj@redhat.com>
9397 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9398 the 16 bit shift limit of the m16c.
9400 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9403 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9404 * config/i386/i386.c (output_set_got): Output the label if we have one
9405 for the TARGET_DEEP_BRANCH_PREDICTION case.
9407 2006-01-19 Jan Hubicka <jh@suse.cz>
9408 H.J. Lu <hongjiu.lu@intel.com>
9409 Evandro Menezes <evandro.menezes@amd.com>
9411 * invoke.texi (generic): Document
9413 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9414 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9415 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9416 (x86_use_incdec, x86_pad_returns): New variables
9417 (TARGET_CPU_DEFAULT_generic): New constant
9418 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9419 (enum processor_type): Add generic32 and generic64.
9420 * i386.md (cpu attribute): Add generic32/generic64
9421 (movhi splitter): Behave sanely when both partial_reg_dependency and
9422 partial_reg_stall are set.
9423 (K8 splitters): Enable for generic as well.
9424 * predicates.md (incdec_operand): Use TARGET_INCDEC
9425 (aligned_operand): Avoid memory mismatch stalls.
9426 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9427 * ppro.md: Enable for generic32
9428 * i386.c (generic64_cost, generic32_cost): New.
9429 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9430 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9431 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9432 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9433 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9434 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9435 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9436 x86_accumulate_outgoing_args, x86_prologue_using_move,
9437 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9438 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9440 (x86_use_incdec, x86_pad_returns): New.
9441 (override_options): Add generic32 and generic64, translate "generic"
9442 to generic32/generic64 and "i686" to "generic32", refuse
9443 "generic32"/"generic64" as arch target.
9444 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9445 (ix86_reorg): Honor PAD_RETURNS.
9447 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9449 * tree-pretty-print.c (dump_generic_node): Handle
9450 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9451 * cgraph.c (cgraph_expand_queue): Rename from
9452 cgraph_analyze_queue. Update all users.
9453 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9454 cgraph_expand_queue.
9455 (cgraph_expand_all_functions): Likewise.
9456 (cgraph_finalize_pending_functions): Remove. Update callers.
9458 * tree.h (OMP_DIRECTIVE_P): Define.
9459 (OMP_PARALLEL_FN): Define.
9460 (OMP_PARALLEL_DATA_ARG): Define.
9461 (OMP_SECTIONS_SECTIONS): Define.
9462 * tree-pass.h (pass_expand_omp): Declare.
9463 * omp-low.c (struct omp_region): Declare.
9464 (struct omp_context): Remove fields 'parallel_type',
9465 'parallel_start_ix' and 'parallel_start_additional_args'.
9467 (struct omp_for_data): Rename from struct expand_omp_for_data.
9468 (omp_regions): New static variable.
9469 (root_omp_region): New static variable.
9470 (find_omp_clause): Make static.
9471 (is_in_combined_parallel_ctx): Remove.
9472 (is_combined_parallel): New.
9473 (extract_omp_for_data): Move earlier in the file.
9474 (workshare_safe_to_combine_p): New.
9475 (get_ws_args_for): New.
9476 (determine_parallel_type): Move earlier in the file.
9477 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9479 (omp_copy_decl): Likewise.
9480 (create_omp_child_function): Likewise.
9481 (lookup_omp_region): New.
9482 (dump_omp_region): New.
9483 (debug_omp_region): New.
9484 (debug_all_omp_regions): New.
9485 (new_omp_region): New.
9486 (scan_omp_parallel): If parallel_nesting_level > 1, the
9487 directive is nested within another parallel directive.
9488 Set OMP_PARALLEL_FN.
9489 (scan_omp_for): Do not try to handle combined parallel+for
9491 Remove FIXME comment.
9492 (scan_omp_nested): Remove.
9493 (scan_omp_1): Do not call scan_omp_nested when
9494 parallel_nesting_level is > 1.
9495 Do not change the DECL_CONTEXT of local variables found.
9496 (lookup_decl_in_outer_ctx): New.
9497 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9498 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9499 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9500 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9501 If CTX is nested, lookup VAR in the outer context when
9502 building copy assignment.
9503 (lower_send_clauses): Rename from expand_send_clauses.
9504 If CTX is nested, lookup VAR in the outer context when
9505 building copy assignments.
9506 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9507 If CTX is nested, lookup VAR in the outer context when
9508 building copy assignments.
9509 (expand_parallel_call): Rename from build_parallel_call.
9510 Handle combined parallel+workshare cases.
9511 Re-implement to emit code into the CFG.
9513 (expand_omp_parallel): Re-implement to emit code into the CFG.
9514 Call move_sese_region_to_fn to outline the sub-graph
9515 containing the parallel region.
9516 (expand_omp_for_1): Remove.
9517 (expand_omp_for_generic): Re-implement to emit code into the
9519 (expand_omp_for_static_nochunk): Likewise.
9520 (expand_omp_for_static_chunk): Likewise.
9521 (expand_omp_for): Likewise.
9522 (expand_omp_sections): Likewise.
9523 (remove_exit_barriers): New.
9524 (expand_omp_synch): New.
9526 (build_omp_regions_1): New.
9527 (build_omp_regions): New.
9528 (execute_expand_omp): New.
9529 (gate_expand_omp): New.
9530 (pass_expand_omp): Define.
9531 (lower_omp_sections): Rename from expand_omp_sections.
9532 Set OMP_SECTIONS_SECTIONS.
9533 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9534 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9535 (lower_omp_single): Rename from expand_omp_simple.
9536 (lower_omp_master): Rename from expand_omp_master.
9537 (lower_omp_ordered): Rename from expand_omp_ordered.
9538 (lower_omp_critical): Rename from expand_omp_critical.
9539 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9540 (lower_omp_for): Re-implement.
9541 (lower_omp_parallel): Re-implement.
9542 (lower_regimplify): Rename from expand_regimplify.
9543 (lower_omp_1): Rename from expand_omp_1.
9544 If there are syntax errors in the program, replace every
9545 OpenMP directive with NOP.
9546 Call lower_omp_* instead of expand_omp_*.
9547 (lower_omp): Rename from expand_omp.
9549 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9550 * tree-gimple.h (enum omp_parallel_type): Remove.
9551 (gimple_boolify): Declare extern.
9552 (find_omp_clause, determine_parallel_type): Remove.
9554 * gimple-low.c (lower_omp_directive): New.
9555 (lower_stmt): Call it.
9556 (record_vars_into): Move from ...
9557 (record_vars): ... here.
9558 Call record_vars_into with current_function_decl.
9560 * gimplify.c (struct gimplify_ctx): Remove fields
9561 combined_pre_p and combined_ctxp. Update users.
9562 (get_formal_tmp_var): Add documentation.
9563 (gimple_boolify): Make extern.
9564 (gimplify_expr_in_ctx): Remove. Update callers.
9565 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9566 will always be a BIND_EXPR.
9567 (gimplify_expr): Handle OMP_RETURN_EXPR.
9568 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9569 (OMP_PARALLEL): Add 3 operands.
9570 (OMP_SECTIONS): Add 1 operand.
9571 (OMP_RETURN_EXPR): Define.
9573 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9574 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9575 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9576 creating a circular free list.
9577 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9579 * tree-flow.h (move_sese_region_to_fn): Declare.
9580 (record_vars_into): Declare.
9581 * tree-cfg.c (make_omp_sections_edges): New.
9582 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9583 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9584 OMP_SECTIONS and OMP_SECTION.
9585 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9586 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9587 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9588 (gather_blocks_in_sese_region): New.
9589 (struct move_stmt_d): Declare.
9591 (move_block_to_fn): New.
9592 (move_sese_region_to_fn): New.
9594 * passes.c (init_optimization_passes): Schedule
9595 pass_expand_omp after pass_init_datastructures.
9597 * tree-ssa-operands.c (get_expr_operands): Handle
9598 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9599 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9601 2006-01-19 Jeff Law <law@redhat.com>
9603 * tree-vrp.c (extract_range_from_assert): Refine the result range
9604 if the variable referenced by the ASSERT_EXPR has a range and
9605 either the tentative result range or the previous range is a
9608 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9610 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9612 2006-01-19 Jan Hubicka <jh@suse.cz>
9614 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9616 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9618 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9619 (expand_compound_operation, expand_field_assignment): Fail if the
9620 bit lengths of an extract operation are out of range.
9621 (make_extraction): Compute wanted_inner_mode based on the position
9622 and length of the extraction. Make it extraction_mode for non-constant
9623 positions, and do not modify offset in that case. When generating a
9624 new MEM, use a mode that can hold the extraction while keeping correct
9625 alignment. Remove code that supported MEMs wrapped by USEs.
9626 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9628 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9630 * config/s390/s390.md ("Y", "y"): New mode attribute.
9631 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9632 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9633 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9634 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9635 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9636 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9637 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9638 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9639 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9640 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9641 "addsi3", "subsi3"): Insn patterns removed.
9642 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9643 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9644 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9645 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9646 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9647 "*sub<mode>3_cconly2"): New insn patterns.
9648 ("addsi3", "subsi3"): New expanders.
9650 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9652 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9653 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9654 existing STMT_VINFO_VECTYPE if available.
9655 (vect_mark_relevant): Add special handling for stmts that are
9656 marked as STMT_VINFO_IN_PATTERN_P.
9657 (vect_analyze_loop): Call vect_pattern_recog.
9658 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9659 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9661 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9662 (vect_recog_func_ptr): New function-pointer type.
9663 * tree-vect-patterns.c: New file.
9664 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9665 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9666 (vect_pattern_recog_1): New functions.
9667 (vect_pattern_recog_funcs): New array of function pointers.
9669 * tree-vectorizer.h (ternary_op): New enum value.
9670 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9671 declaration. Revised documentation. Removed redundant dump prints.
9672 Removed redundant argument. Added support for reduction patterns.
9673 (vectorizable_reduction): Added support for reduction patterns.
9674 (vect_transform_stmt): Added support for patterns.
9676 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9677 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9678 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9679 (expand_widen_pattern_expr): New function.
9680 (init_optabs): Initialize new optabs udot_prod_optab,
9682 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9683 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9684 (expand_widen_pattern_expr): New function declaration.
9685 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9687 * tree-inline.c (estimate_num_insns_1): Added cases for new
9688 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9689 * tree-pretty-print.c (dump_generic_node): Likewise.
9690 (op_prio): Likewise.
9691 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9692 * tree-ssa-operands.c (get_expr_operands): Added case for
9694 * tree-vect-patterns.c (widened_name_p): New function.
9695 (vect_recog_dot_prod_pattern): Added function implementation.
9696 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9697 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9698 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9699 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9701 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9702 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9703 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9704 (init_optabs): Initialize new optabs widen_ssum_optab,
9706 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9707 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9708 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9709 use instead of type of def.
9710 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9711 function implementation.
9712 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9713 widen_ssumv8hi): New.
9715 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9718 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9721 * c-decl.c (add_flexible_array_elts_to_size): New function.
9722 (finish_decl): Use it.
9724 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9726 * diagnostic.h: Include options.h.
9727 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9728 dependancies for diagnostic.h.
9729 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9731 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9733 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9734 (ssa_ro_call_cache_valid): Ditto.
9735 * tree-ssa-alias.c (sort_tags_by_id): New function.
9736 (init_transitive_clobber_worklist): Ditto.
9737 (add_to_worklist): Ditto.
9738 (mark_aliases_call_clobbered): Ditto.
9739 (compute_tag_properties): Ditto.
9740 (set_initial_properties): Ditto.
9741 (compute_call_clobbered): Ditto.
9742 (compute_may_aliases): Call compute_call_clobbered and grouping.
9743 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9744 (compute_flow_insensitive_aliasing): Grouping now happens in our
9746 (setup_pointers_and_addressables): Remove clobbering related code.
9747 (add_may_alias): Ditto.
9748 (replace_may_alias): Ditto.
9749 (get_nmt_for): Ditto.
9750 (create_global_var):
9751 (is_escape_site): Return an escape_type enumeration.
9752 * tree-flow-inline.h (is_call_clobbered): Global var does not
9753 imply call clobbered.
9754 (mark_call_clobbered): Take a reason for marking this. Remove
9755 marking of globalness, and cache invalidation.
9756 (clear_call_clobbered): Remove cache invalidation code.
9757 * tree-dfa.c (dump_variable): If details is on, dump the reason
9759 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9761 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9762 (struct var_ann_d): Ditto.
9763 (enum escape_type): New.
9764 (mark_call_clobbered): Adjust prototype.
9765 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9766 are never call clobbered.
9767 Record reasons for escaping.
9768 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9769 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9770 (ssa_ro_call_cache_valid): Ditto.
9771 (clobbered_v_may_defs): Ditto.
9772 (clobbered_vuses): Ditto.
9773 (ro_call_vuses): Ditto.
9774 (clobber_stats): New.
9775 (init_ssa_operands): Zero out clobber stats.
9776 (fini_ssa_operands): Print out clobber stats.
9777 (get_call_expr_operands): Pass callee fndecl to
9779 (add_call_clobber_ops): Remove use of cache.
9780 Add use of PURE_CONST information.
9781 (add_call_read_ops): Remove use of cache.
9782 Add use of static not_read information.
9784 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9786 Introduce TLS descriptors for i386 and x86_64.
9787 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9788 (TARGET_ANY_GNU_TLS): New macro.
9789 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9790 (struct machine_function): Add tls_descriptor_call_expanded_p.
9791 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9792 (ix86_current_function_calls_tls_descriptor): Likewise.
9793 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9794 (override_options): Introduce gnu2 tls dialect.
9795 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9797 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9799 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9800 (ix86_init_machine_status): Initialize new field.
9801 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9802 (ix86_tls_module_base): New.
9803 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9804 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9805 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9806 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9807 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9808 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9809 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9810 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9811 * config/i386/predicates.md (tls_modbase_operand): New.
9812 (tp_or_register_operand): New.
9814 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9816 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9817 (look_for_address_of): Ditto.
9818 (ipa_init): Walk the function decls.
9819 (static_execute): Don't set readonly on FUNCTION_DECL's.
9821 2006-01-18 Roger Sayle <roger@eyesopen.com>
9823 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9824 for shifts where the source and destination registers are different.
9826 2006-01-18 Paul Brook <paul@codesourcery.com>
9828 Merge from csl-arm-branch.
9829 2005-03-14 Julian Brown <julian@codesourcery.com>
9830 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9831 (aeabi_llsl): Likewise.
9832 (ashrdi3): Likewise.
9833 (aeabi_lasr): Likewise.
9834 (lshrdi3): Likewise.
9835 (aeabi_llsr): Likewise.
9836 2005-03-10 Julian Brown <julian@codesourcery.com>
9837 * config.gcc: Disable shared libgcc for SymbianOS.
9838 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9840 2006-01-18 DJ Delorie <dj@redhat.com>
9842 * c-pragma.c (handle_pragma_diagnostic): New.
9843 (init_pragma): Register it.
9844 * doc/extend.texi: Document it.
9846 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9847 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9848 (diagnostic_context): Add classify_diagnostic[].
9849 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9850 as errors if they're overridden to DK_WARNING.
9851 (diagnostic_initialize): Initialize classify_diagnostic[].
9852 (diagnostic_set_kind_override): New.
9853 (diagnostic_report_diagnostic): Check for kind changes.
9854 * opts.c (common_handle_option): Take lang_mask. Update callers.
9856 * common.opt (Werror=): New.
9857 * doc/invoke.texi: Document -Werror=*
9859 2006-01-18 Jeff Law <law@redhat.com>
9861 * tree-vrp.c (test_for_singularity): Correct test for new
9862 min limit. Use operand_equal_p rather than pointer equality
9863 for testing if new min/max values are equal.
9865 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9866 using range information until after propagation and folding.
9868 2006-01-18 Richard Henderson <rth@redhat.com>
9869 Aldy Hernandez <aldyh@redhat.com>
9870 Jakub Jelinek <jakub@redhat.com>
9871 Diego Novillo <dnovillo@redhat.com>
9873 * omp-low.c: New file.
9874 * c-omp.c: New file.
9876 2006-01-18 Richard Henderson <rth@redhat.com>
9877 Jakub Jelinek <jakub@redhat.com>
9878 Diego Novillo <dnovillo@redhat.com>
9880 * doc/invoke.texi: Document -fopenmp.
9881 * tree-dump.h (debug_function): Declare.
9882 * hooks.c (hook_bool_tree_bool_false): New function.
9883 (hook_tree_tree_null): Remove.
9884 (hook_tree_tree_tree_null): New.
9885 * hooks.h: Update to match.
9886 * tree-pretty-print.c (debug_tree_chain): New.
9887 (print_generic_expr): Handle TDF_CHAIN.
9888 (dump_generic_node): Handle BLOCK.
9889 Do not abort with incomplete SWITCH_EXPRs.
9890 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9891 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9892 print space after directive name.
9893 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9894 Handle OMP_MASTER and OMP_ORDERED.
9895 Handle printing of OMP_BODY just in one place, goto
9896 dump_omp_body in the rest of OMP_* nodes that have
9898 Don't handle clause nodes here. Update omp statements to
9899 use dump_omp_clauses.
9900 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9901 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9902 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9903 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9904 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9905 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9906 Adjust output for GOMP_PARALLEL.
9907 (dump_omp_clauses): New.
9908 (print_declaration): Dump DECL_VALUE_EXPR.
9909 (op_symbol_1): Split out of op_symbol.
9910 (dumping_stmts): Remove. Update all users.
9911 * cgraph.c (cgraph_analyze_queue): New.
9912 (cgraph_add_new_function): New.
9913 * cgraph.h (cgraph_analyze_queue): Declare.
9914 (cgraph_add_new_function): Declare.
9915 (cgraph_lower_function): Remove.
9916 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9917 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9918 and TYPE_P nodes in its default clause.
9919 (empty_body_p): New.
9920 (tree_range_check_failed): New.
9922 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9923 OMP_CLAUSE_REDUCTION_MERGE,
9924 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9925 OMP_CLAUSE_PRIVATE_DEBUG,
9926 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9927 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9928 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9929 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9930 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9931 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9932 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9933 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9934 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9935 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9936 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9937 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9938 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9939 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9940 (TREE_RANGE_CHECK): New.
9941 (empty_body_p): Declare.
9942 (enum omp_clause_default_kind): New.
9943 (build_string_literal): Declare.
9944 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9945 (build5_stat, build5): Declare.
9946 * tree-pass.h (TDF_CHAIN): Define.
9947 * tree-pass.h (PROP_gimple_lomp): Define.
9948 (pass_lower_omp): Declare.
9949 * diagnostic.h (debug_tree_chain): Declare.
9950 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9952 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9953 * builtins.c (build_string_literal): Make extern.
9954 * gcc.c (include_spec_function): New.
9955 (static_spec_functions): Add it.
9956 (main): Move load of libgomp.spec ...
9957 (LINK_COMMAND_SPEC): ... here.
9958 (link_gomp_spec): New.
9959 (static_specs): Include it.
9960 (LINK_COMMAND_SPEC): Add link_gomp.
9961 (GOMP_SELF_SPECS): New.
9962 (driver_self_specs): Include it.
9963 (switch_matches): Don't mark inline.
9964 (main): Load libgomp.spec.
9965 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9966 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9967 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9968 * tree-gimple.h (enum omp_parallel): Declare.
9969 (determine_parallel_type): Declare.
9970 (omp_firstprivatize_variable): Declare.
9971 (omp_reduction_init): Declare.
9972 (diagnose_omp_structured_block_errors): Declare.
9973 (struct walk_stmt_info): Add want_return_expr.
9974 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9975 (find_omp_clause): Declare.
9976 (insert_field_into_struct): Declare.
9977 (struct walk_stmt_info): Move from tree-nested.c
9978 (walk_stmts): Declare.
9979 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9981 * cgraphunit.c (cgraph_lower_function): Make static.
9982 (cgraph_finalize_pending_functions): New.
9983 (cgraph_finalize_function): Call it.
9984 (cgraph_finalize_compilation_unit): Likewise.
9985 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9986 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9987 (BT_FN_UINT_UINT): New.
9988 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9989 DEF_FUNCTION_TYPE_VAR_4): Document.
9990 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9991 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9992 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9993 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9994 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9995 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9996 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9997 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9998 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9999 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
10000 into separate files.
10001 (DEF_GOMP_BUILTIN): New.
10002 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
10003 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
10004 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
10005 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
10006 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
10007 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
10008 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
10009 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
10010 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
10011 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
10012 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
10013 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
10014 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
10015 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
10016 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
10017 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
10018 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
10019 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
10020 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
10021 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
10022 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
10023 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
10024 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
10025 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
10026 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
10027 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
10028 * sync-builtins.def: New file, moved from builtins.def.
10029 * omp-builtins.def: New file, moved from builtins.def.
10030 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
10031 * gimple-low.c (lower_function_body): Clear data.
10032 (lower_stmt): Do not handle COMPOUND_EXPR.
10033 Remove call to print_node_brief.
10034 * c-tree.h (c_finish_omp_clauses): New prototype.
10035 (C_DECL_THREADPRIVATE_P): Define.
10036 (lookup_name_no_remap, c_omp_remap_private): Remove
10037 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
10038 (check_for_loop_decls): Update decl.
10039 (lookup_name_no_remap, c_omp_remap_private): Declare.
10040 (build_indirect_ref, build_modify_expr, pushdecl,
10041 pushdecl_top_level): Move to c-common.h.
10042 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
10043 before the switch, but just in the 2 places that need it.
10044 * c-decl.c (diagnose_mismatched_decls): Do not check for
10045 mismatched thread-local attributes when OLDDECL is marked
10046 threadprivate and NEWDECL has no thread-local attributes.
10047 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
10048 (c_gimple_diagnostics_recursively): Rename from
10049 c_warn_unused_result_recursively. Invoke
10050 diagnose_omp_structured_block_errors.
10051 (check_for_loop_decls): Return a singular decl found.
10052 * langhooks.c (lhd_omp_predetermined_sharing): Return
10053 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
10054 (lhd_omp_firstprivatize_type_sizes): New.
10055 (lhd_omp_assignment): New.
10056 (lhd_omp_predetermined_sharing): New.
10057 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
10058 (struct lang_hooks_for_types): Add
10059 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10060 omp_predetermined_sharing, omp_disregard_value_expr,
10061 omp_private_debug_clause, omp_clause_default_ctor,
10062 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10063 (c_finish_omp_clauses): New.
10064 (c_finish_bc_stmt): Diagnose break within omp for.
10065 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10066 (build_unary_op): Return error_mark after reporting
10068 (build_modify_expr): Likewise.
10069 * gimplify.c: Include optabs.h and pointer-set.h.
10070 (enum gimplify_omp_var_data): Declare.
10071 (struct gimplify_omp_ctx): Declare.
10072 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10074 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10075 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10076 (splay_tree_compare_decl_uid): New.
10077 (new_omp_context): New.
10078 (delete_omp_context): New.
10079 (gimple_add_tmp_var): Call omp_add_variable.
10080 (gimplify_bind_expr): Likewise.
10081 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10082 true, disregard DECL_VALUE_EXPR on the decl if any.
10083 (gimplify_expr_in_ctx): New.
10084 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10085 omp_add_variable, omp_notice_variable, omp_is_private
10086 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10087 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10088 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10089 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10090 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10091 gimplify_omp_atomic): New.
10092 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10093 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10094 OMP_CRITICAL and OMP_ATOMIC.
10095 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10096 * c-pragma.h (enum pragma_kind): Add
10097 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10098 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10099 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10100 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10101 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10102 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10103 PRAGMA_OMP_THREADPRIVATE.
10104 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10105 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10106 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10107 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10108 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10109 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10110 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10111 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10112 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10113 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10114 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10115 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10116 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10118 (struct nesting_info): Add field_map,
10119 suppress_expansion, debug_var_chain.
10120 (create_nesting_tree): Initialize them.
10121 (lookup_field_for_decl): Use field_map.
10122 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10123 (convert_local_omp_clauses): New.
10124 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10125 (walk_body): Split out of walk_function.
10126 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10127 (convert_nonlocal_reference): Handle omp statements.
10128 (convert_local_reference): Likewise.
10129 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10130 (unnest_nesting_tree): New.
10131 (lower_nested_functions): Call it.
10132 (insert_field_into_struct): Make extern.
10133 (struct walk_stmt_info): Move to tree-gimple.h.
10134 (walk_stmts): Make extern.
10135 * omp-builtins.def: New file.
10136 * tree-iterator.c (expr_only): Clarify comment.
10137 * c-common.h (pushdecl_top_level, pushdecl,
10138 build_modify_expr, build_indirect_ref,
10139 c_finish_omp_master, c_finish_omp_critical,
10140 c_finish_omp_ordered, c_finish_omp_barrier,
10141 c_finish_omp_atomic, c_finish_omp_flush,
10142 c_finish_omp_for, c_split_parallel_clauses,
10143 omp_clause_default_kind, c_omp_sharing_predetermined,
10144 c_omp_remap_decl): Declare.
10145 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10146 (OBJS-common): Add omp-low.o.
10147 (c-omp.o, omp-low.o): Add.
10148 (gimplify.o): Add dependency on $(OPTABS_H).
10149 (GTFILES): Add omp-low.c.
10150 (gt-stringpool.h): Add.
10151 * tree-cfg.c (set_bb_for_stmt): Do not update the
10152 block-to-labels map if we are currently expanding to RTL.
10153 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10155 Handle IDENTIFIER_NODE.
10156 (tree_verify_flow_info): Do not ICE when emitting error
10157 messages about invalid labels.
10158 (dump_function_to_file): Reset CFUN before emitting the body
10160 (debug_function): New.
10161 * passes.c (init_optimization_passes): Schedule
10163 * langhooks-def.h (lhd_omp_predetermined_sharing,
10164 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10166 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10167 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10168 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10169 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10170 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10171 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10172 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10173 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10174 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10175 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10176 (LANG_HOOK_DECLS): Use them.
10178 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10179 Richard Henderson <rth@redhat.com>
10180 Jakub Jelinek <jakub@redhat.com>
10181 Diego Novillo <dnovillo@redhat.com>
10183 * c-parser.c (pragma_omp_clause): Define.
10184 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10185 (c_parser_compound_statement): Likewise.
10186 (c_parser_statement): Likewise.
10187 (c_parser_pragma): Handle omp pragmas.
10188 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10189 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10190 (c_parser_omp_clause_name, check_no_duplicate_clause,
10191 c_parser_omp_variable_list,
10192 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10193 c_parser_omp_clause_copyprivate,
10194 c_parser_omp_clause_default,
10195 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10196 c_parser_omp_clause_lastprivate,
10197 c_parser_omp_clause_nowait,
10198 c_parser_omp_clause_num_threads,
10199 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10200 c_parser_omp_clause_reduction,
10201 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10202 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10203 c_parser_omp_atomic, c_parser_omp_barrier,
10204 c_parser_omp_critical, c_parser_omp_flush,
10205 c_parser_omp_for_loop, c_parser_omp_for,
10206 c_parser_omp_master, c_parser_omp_ordered,
10207 c_parser_omp_sections_scope, c_parser_omp_sections,
10208 c_parser_omp_parallel, c_parser_omp_single,
10209 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10210 * c-pragma.c (init_pragma): Do omp pragma registration here.
10211 * c.opt (fopenmp): New flag.
10213 2006-01-18 Eric Christopher <echristo@apple.com>
10215 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10216 * config/darwin.h (GOMP_SELF_SPECS): Define.
10218 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10220 * rtl.h: Remove the prototype for reg_alloc.
10222 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10225 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10226 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10227 sjlj and dwarf2 exception handling.
10228 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10229 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10230 * pa/pa.c (function_value): Treat complex and vector types as
10232 (function_arg): Likewise. Only pass scalar floats in the floating
10233 point argument registers.
10234 * pa/t-slibgcc-dwarf-ver: New file.
10235 * pa/t-slibgcc-sjlj-ver: New file.
10236 * pa/t-slibgcc-elf-ver: Delete file.
10238 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10240 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10241 unlikely_test_section_p test.
10243 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10245 * mode-switching.c (optimize_mode_switching): Make it static.
10246 * basic-block.h: Remove the prototype for
10247 optimize_mode_switching.
10249 * modulo-sched.c (sms_schedule): Make it static.
10250 * rtl.h: Remove the prototype for sms_schedule.
10252 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10253 * rtl.h: Remove the prototype for gcse_after_reload_main.
10255 * reg-stack.c (reg_to_stack): Make it static.
10256 * rtl.h: Remove the prototype for reg_to_stack.
10258 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10260 * rtl.h: Remove the prototypes for regrename_optimize and
10261 copyprop_hardreg_forward.
10263 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10265 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10266 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10267 Test against the appropriate null constant for the mode.
10268 If 'fixup_overlap' is true, swap the operands if they overlap.
10269 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10270 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10271 alpha_split_tmode_pair and adjust for above change.
10272 * config/alpha/alpha.md (movtf_internal): Adjust call to
10273 alpha_split_tfmode_pair and rely on it to swap the operands.
10274 (movti_internal): New insn and post-reload splitter.
10275 (movti): New expander.
10277 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10279 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10282 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10284 * rtlanal.c (global_reg_mentioned_p_1,
10285 global_reg_mentioned_p): Remove.
10286 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10288 * flow.c (initialize_uninitialized_subregs): Make it static.
10289 * rtl.h: Remove the prototype for
10290 initialize_uninitialized_subregs.
10292 * function.c (instantiate_virtual_regs): Make it static.
10293 * function.h: Remove the prototype for
10294 instantiate_virtual_regs.
10296 * regmove.c (regmove_optimize, combine_stack_adjustments):
10298 * rtl.h: Remove the prototypes for regmove_optimize and
10299 combine_stack_adjustments.
10301 2006-01-17 Roger Sayle <roger@eyesopen.com>
10303 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10304 (size_cost): Encode costs in bytes so that a reg-reg addition is
10305 equivalent to COSTS_N_INSNS(1).
10306 (override_options): Use the size_cost.branch_cost as the default
10307 ix86_branch_cost when optimizing for size.
10309 2006-01-18 Ben Elliston <bje@au.ibm.com>
10311 * Makefile.in (D32PBIT_FUNCS): New.
10312 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10313 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10314 D64PBIT_FUNCS and D128PBIT_FUNCS.
10315 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10316 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10318 (decnumber_dep): Define.
10319 * doc/libgcc.texi (Decimal float library routines): New node.
10320 * config/dfp-bit.h, config/dfp-bit.c: New files.
10322 2006-01-18 Ben Elliston <bje@au.ibm.com>
10324 * expr.c (emit_move_change_mode): Always adjust addresses, not
10325 just during reload. Copy replacements only during reload.
10326 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10327 emit_move_via_integer.
10329 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10331 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10332 instead of $(srcdir) and ${srcdir}.
10334 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10337 PR middle-end/11135
10338 * arm.h (struct machine_function): Add pic_reg.
10339 * arm.c (arm_pic_register): Make unsigned.
10340 (arm_override_options): Only set arm_pic_register if
10341 TARGET_SINGLE_PIC_BASE.
10342 (use_return_insn): Only test for a pic register if it is fixed.
10343 (arm_compute_save_reg0_reg12_mask): Likewise.
10344 (thumb_compute_save_reg_mask): Likewise.
10345 (legitimate_pic_operand): Factor out some known invariants.
10346 (legitimize_pic_address): If we don't have a fixed pic register,
10347 then set up a pseudo in the function entry sequence. Handle the
10348 pic base being in a pseudo.
10349 (arm_load_pic_register): Handle the pic register being in a pseudo.
10350 (arm_expand_prologue): Only set up the pic register if it is fixed.
10351 (thumb_expand_prologue): Likewise.
10352 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10353 (pic_load_addr_based_insn): Likewise.
10354 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10357 2006-01-18 Ben Elliston <bje@au.ibm.com>
10359 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10360 decimal float modes for all floating point registers.
10362 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10363 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10365 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10368 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10369 even when the pointer is not NULL.
10371 2006-01-16 Ian Lance Taylor <ian@airs.com>
10373 * common.opt (ftoplevel-reorder): New option.
10374 * cgraph.c (cgraph_asm_nodes): New global variable.
10375 (cgraph_asm_last_node): New static variable.
10376 (cgraph_order): New global variable.
10377 (cgraph_create_node): Set new order field.
10378 (cgraph_varpool_node): Likewise.
10379 (decide_is_variable_needed): Return true if not
10380 flag_toplevel_reorder.
10381 (cgraph_add_asm_node): New function.
10382 * cgraph.h (struct cgraph_node): Add order field.
10383 (struct cgraph_varpool_node): Add order field.
10384 (struct cgraph_asm_node): Define.
10385 (cgraph_asm_nodes, cgraph_order): Declare.
10386 (cgraph_add_asm_node): Declare.
10387 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10389 (cgraph_varpool_assemble_pending_decls): Call it.
10390 (cgraph_output_pending_asms): New static function.
10391 (cgraph_finalize_compilation_unit): Call it.
10392 (struct cgraph_order_sort): Define.
10393 (cgraph_output_in_order): New static function.
10394 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10395 !flag_toplevel_reorder case.
10396 * c-parser.c: Include "cgraph.h".
10397 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10399 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10400 than -fno-unit-at-a-time.
10401 * doc/invoke.texi (Option Summary): Mention
10402 -fno-toplevel-reorder.
10403 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10404 -funit-at-a-time documentation.
10406 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10407 Kazu Hirata <kazu@codesourcery.com>
10409 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10411 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10413 * Makefile.in (FUNCTION_H): New. Use it instead of
10414 function.h throughout the file.
10415 * function.h: Include tree.h.
10417 2006-01-17 Ben Elliston <bje@au.ibm.com>
10419 * recog.c: Separate some functions with whitespace.
10421 2006-01-16 Richard Henderson <rth@redhat.com>
10423 Merge from gomp branch:
10424 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10425 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10426 and rename from struct inline_data. Rename callee* to dst*;
10427 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10428 transform_new_cfg, transform_return_to_modify, and
10429 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10431 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10432 (copy_decl_for_dup): Remove.
10433 * tree-inline.c (struct inline_data): Move to header.
10434 (insert_decl_map): Export.
10435 (remap_decl): Update for member name changes. Use copy_decl hook.
10436 Allow for replacement to be a non-decl. Remove dead code.
10437 (remap_type_1): Check for existing mapping.
10438 (remap_type): Export.
10439 (remap_decls): Update for member name changes.
10440 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10441 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10442 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10443 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10444 (tree_function_versioning, build_duplicate_type): Likewise.
10445 (copy_body_r): Likewise. Export.
10446 (copy_decl_for_dup): Split into ...
10447 (copy_decl_for_dup_finish, copy_decl_to_var,
10448 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10449 (replace_ref_tree, inlining_p): Remove.
10451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10453 * ifcvt.c (if_convert): Make it static.
10454 * rtl.h: Remove the prototype for if_convert.
10456 * local-alloc.c (local_alloc): Make it static.
10457 * rtl.h: Remove the prototype for local_alloc.
10459 * loop.c (loop_optimize): Make it static.
10460 * cfgloop.h: Remove the prototype for loop_optimize.
10463 2006-01-16 DJ Delorie <dj@redhat.com>
10465 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10468 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10470 * pa.md: Disparage copies between general and floating-point registers
10471 in 32-bit move patterns.
10473 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10476 * Makefile.in (check-%): Depend on site.exp instead of
10477 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10480 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10482 * global.c (global_alloc): Make it static.
10483 * rtl.h: Remove the prototype for global_alloc.
10485 2006-01-16 Richard Guenther <rguenther@suse.de>
10487 * tree-ssa-alias.c (struct used_part): Add write_only field.
10488 (get_or_create_used_part_for): Initialize it to true.
10489 (create_overlap_variables_for): Don't create structure variables
10490 for structures that only are written to.
10491 (find_used_portions): Handle MODIFY_EXPR to track whether a
10492 structure is only written to.
10494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10496 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10498 * basic-block.h: Remove the prototype for
10499 partition_hot_cold_basic_blocks.
10501 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10503 * cppspec.c (lang_specific_spec_functions): Remove.
10504 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10505 * gcc.h (lang_specific_spec_functions): Remove.
10506 * gccspec.c (lang_specific_spec_functions): Remove.
10508 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10510 * combine.c (record_value_for_reg): Invalidate registers
10512 (record_dead_and_set_regs_1): Likewise, by passing them to
10513 record_value_for_reg.
10514 (record_dead_and_set_regs): Invalidate stores made by a
10515 call. We do not combine across a call, but we still
10516 relied on equivalences.
10518 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10520 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10521 vrp_int_const_binop returning non-constant nodes.
10523 2006-01-16 Paul Brook <paul@codesourcery.com>
10525 * config/m68k/m68k.c (output_move_const_into_data_reg):
10526 Output correct mnemonic for mvz and mvs.
10528 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10530 * rtl-factoring.c: Add sequence abstraction algorithm.
10531 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10532 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10534 (block_has_preserve_label): New function.
10535 * common.opt: Register new pass.
10536 * Makefile.in: Ditto.
10538 * timevar.def: Ditto.
10539 * tree-pass.h: Ditto.
10540 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10541 * rtl.h (make_jump_insn_raw): Add forward decl.
10542 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10544 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10545 Roger Sayle <roger@eyesopen.com>
10547 * fold-const.c (fold_minmax): New static function.
10548 (fold_binary) <MIN_EXPR>: Call it.
10549 <MAX_EXPR>: Likewise.
10550 * stor-layout.c (place_field): Use DECL_SIZE consistently
10551 in the computation of the new record size.
10553 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10555 * cse.c (cse_condition_code_reg): Make it static.
10556 * rtl.h: Remove the prototype for cse_condition_code_reg.
10558 * combine.c (combine_instructions): Make it static.
10559 * rtl.h: Remove the prototype for combine_instructions.
10561 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10564 * tree.c (get_file_function_name_long): Concatenate the first global
10565 object name with a string derived from the input filename of the object
10568 2006-01-16 Ben Elliston <bje@au.ibm.com>
10570 * config/i386/winnt-stubs.c: Update FSF address.
10571 * config/xtensa/ieee754-df.S: Ditto.
10572 * config/xtensa/ieee754-sf.S: Ditto.
10574 2006-01-14 Ian Lance Taylor <ian@airs.com>
10576 * ifcvt.c (noce_init_if_info): New static function, broken out of
10577 noce_process_if_block.
10578 (noce_process_if_block): Call noce_init_if_info.
10579 (check_cond_move_block): New static function.
10580 (cond_move_process_if_block): New static function.
10581 (process_if_block): Call cond_move_process_if_block.
10583 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10585 * cselib.c (hash_table): Rename to cselib_hash_table.
10586 (cselib_clear_table, discard_useless_values,
10587 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10588 cselib_init, cselib_finish): Adjust uses of hash_table.
10590 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10592 PR tree-optimization/25485
10593 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10594 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10595 is known to be false and true, respectively.
10597 2006-01-14 Richard Guenther <rguenther@suse.de>
10599 PR tree-optimization/22548
10600 PR tree-optimization/22555
10601 PR tree-optimization/22501
10602 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10603 * params.def (salias-max-array-elements): New parameter.
10604 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10605 * doc/invoke.texi (salias-max-array-elements): Document.
10606 * tree-flow-inline.h (var_can_have_subvars): We also handle
10608 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10610 * tree-ssa-structalias.c (params.h): Include.
10611 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10612 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10613 (get_constraint_for): For ADDR_EXPR operating on something
10614 containing an ARRAY_REF, add all subvars to the solution.
10615 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10616 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10617 for creating MUST_DEFs.
10618 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10620 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10622 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10624 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10625 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10626 number_of_iterations_le): New functions.
10627 (number_of_iterations_special): Removed.
10628 (number_of_iterations_exit): Do not use number_of_iterations_special.
10629 * tree.c (unsigned_type_for): Always return integer type.
10631 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10632 Richard Guenther <rguenther@suse.de>
10634 PR rtl-optimization/24257
10635 * gcse.c (find_moveable_store): Only consider a store movable
10636 when the SET_SRC of the insn can be assigned to a register.
10638 2006-01-14 Ian Lance Taylor <ian@airs.com>
10640 * tree.c (tree_not_class_check_failed): New function.
10641 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10642 (tree_not_class_check_failed): Declare.
10644 2006-01-13 Ian Lance Taylor <ian@airs.com>
10646 * reload1.c (do_output_reload): Add assertion rejecting a
10649 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10651 * combine.c (struct reg_stat): Add new fields truncation_label and
10653 (record_value_for_reg): Reset truncated_to_mode.
10654 (record_truncated_value): New function.
10655 (check_promoted_subreg): Call it. Rename to check_conversions.
10656 (combine_instructions): Rename check_promoted_subreg to
10658 (reg_truncated_to_mode): New function.
10659 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10660 (gen_lowpart_or_truncate): New function.
10661 (force_to_mode): Use it instead of gen_lowpart.
10663 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10665 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10666 VAR is a tag, not its type tag.
10668 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10670 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10671 alternatives to match style of other entries.
10672 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10674 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10676 PR tree-optimization/25771
10677 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10680 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10683 * tree-inline.c (declare_return_variable): If the return variable
10684 was marked as a non gimple complex, set the return slot variable
10685 to be a non gimple comple variable.
10687 2006-01-13 Richard Guenther <rguenther@suse.de>
10689 * builtins.c (expand_builtin_sincos): New function.
10690 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10692 (expand_builtin): Expand sincos using expand_builtin_sincos.
10694 2006-01-12 DJ Delorie <dj@redhat.com>
10696 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10697 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10698 so that constant shifts can be split.
10699 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10700 (m32c_valid_pointer_mode): Make static.
10701 (shift_gen_func_for): New.
10702 (m32c_prepare_shift): Use it. Split large const shifts into
10704 * config/m32c/predicates.md (shiftcount_operand): Allow more
10706 (longshiftcount_operand): New.
10707 * doc/md.texi (Machine Constraints): Document In6.
10709 2006-01-13 Ben Elliston <bje@au.ibm.com>
10711 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10712 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10715 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10717 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10718 to try to avoid clobbering pieces of structures when we know
10719 something about the whole structure.
10720 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10722 2006-01-13 Ben Elliston <bje@au.ibm.com>
10724 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10725 return in memory, as this is no limitation is no longer present.
10727 2006-01-12 DJ Delorie <dj@redhat.com>
10729 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10730 mova with fb, and for fb+0 -> An.
10732 * config/m32c/mov.md (peephole2): Fix enabling logic.
10734 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10735 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10736 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10737 FINI_ARRAY_SECTION_ASM_OP): Define.
10739 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10741 (m32c_legitimize_reload_address): New logic to reload FB to An.
10742 (m32c_output_reg_push): Add newline.
10743 (m32c_output_reg_pop): Likewise.
10745 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10747 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10749 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10751 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10753 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10755 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10758 2006-01-11 Ben Elliston <bje@au.ibm.com>
10760 * rtlanal.c (find_reg_note): Assert insn is not null.
10762 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10764 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10767 2006-01-11 Jeff Law <law@redhat.com>
10769 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10771 (mark_threaded_blocks, register_jump_thread): New functions.
10772 (thread_through_all_blocks): Remove unwanted argument. No
10773 longer rely on e->aux to communicate thread target info.
10774 Call mark_threaded_blocks. Release the threaded_blocks
10775 bitmap and threaded_edges vector when complete.
10776 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10777 (threaded_blocks): Remove.
10778 (tree_ssa_dominator_optimize): Remove initialization and
10779 finalization of threaded_blocks. Simplify call to
10780 thread_through_all_blocks.
10781 (thread_across_edge): Call register_jump_thread rather than
10782 storing thread information into e->aux.
10783 (free_all_edge_infos): Simplify now that e->aux is no longer
10784 used to communicate with thread_through_all_blocks.
10785 * tree-flow.h (thread_through_all_blocks): Update prototype.
10786 (register_jump_thread): Prototype.
10788 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10790 * df-core.c (df_compact_blocks, df_bb_replace): Use
10791 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10793 2006-01-11 Richard Guenther <rguenther@suse.de>
10795 PR tree-optimization/25734
10796 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10797 stop propagation after successful propagation to the LHS.
10799 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10801 * basic-block.h (control_flow_graph): Change the type of
10802 x_basic_block_info to VEC(basic_block,gc) *.
10803 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10805 (SET_BASIC_BLOCK): New.
10806 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10807 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10808 * cfgbuild.c (find_basic_blocks): Likewise.
10809 * cfglayout.c (fixup_reorder_chain): Likewise.
10810 * cfgrtl.c (create_basic_block_structure,
10811 rtl_create_basic_block): Likewise.
10812 * ifcvt.c (find_if_case_1): Likewise.
10813 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10816 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10818 * Makefile.in: Removed rotted odf.c entry.
10820 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10823 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10824 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10825 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10826 output pattern modifier, not %e.
10827 * config/cris/cris.c (cris_op_str): Update comment about pattern
10829 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10830 before falling through into...
10831 <case 'E'>: Redefined from old 'e' case.
10833 2006-01-11 Jan Hubicka <jh@suse.cz>
10836 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10838 2006-01-11 Jan Hubicka <jh@suse.cz>
10840 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10841 * i386.c (x86_decompose_lea): Kill.
10842 (ix86_rtx_costs): Kill.
10844 2006-01-11 Jan Hubicka <jh@suse.cz>
10846 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10847 * cgraph.h (cgraph_node): Add inline_decl.
10848 (cgraph_insert_node_to_hashtable): Declare.
10849 (save_inline_function_body): Declare.
10850 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10852 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10853 (cgraph_function_versioning): Update call of tree_function_versioning.
10854 (save_inline_function_body): New function.
10855 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10856 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10857 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10858 (cgraph_default_inline_p): Likewise.
10859 (cgraph_decide_inlining_incrementally): Likewise.
10860 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10861 (copy_bb): Kill saving; do updating of clones.
10862 (copy_cfg_body): Kill saving.
10863 (initialize_inlined-parameters): Likewise.
10864 (expand_call_inline): Likewise.
10866 (tree_function_versioning): New parameter "update_clones".
10867 (inlining_p): Kill saving.
10868 * tree-inline.h (tree_function_versioning): Update prototype.
10869 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10872 2006-01-11 Ian Lance Taylor <ian@airs.com>
10874 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10875 Allow undoing set of machine mode.
10876 (do_SUBST): Use enums instead of is_int.
10877 (do_SUBST_MODE): New function.
10878 (SUBST_MODE): New macro.
10879 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10880 reg and trying to replace reg_regno_rtx with a new register.
10881 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10882 (simplify_set): Use SUBST_MODE.
10883 (distribute_notes): Remove code that tried to update reg notes
10884 for regno_reg_rtx changes.
10886 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10888 PR tree-optimization/23109
10889 PR tree-optimization/23948
10890 PR tree-optimization/24123
10892 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10893 * tree-cfg.c (single_noncomplex_succ): New.
10894 * tree-flow.h (single_noncomplex_succ): Declare it.
10895 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10896 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10897 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10898 insert_bb, register_division_in, insert_reciprocals,
10899 replace_reciprocal, free_bb): New.
10900 (execute_cse_reciprocals_1): Rewritten.
10901 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10902 Do not commit any edge insertion. Always compute dominators and
10903 create the allocation pool.
10904 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10905 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10906 * targhooks.c (default_min_divistions_for_recip_mul): New.
10907 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10908 * passes.c (init_optimization_passes): Run recip after tree loop
10910 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10912 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10913 Kenneth Zadeck <zadeck@naturalbridge.com>
10915 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10916 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10917 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10918 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10919 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10920 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10921 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10922 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10923 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10924 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10925 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10926 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10927 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10928 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10929 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10930 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10931 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10932 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10933 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10934 DF_SCAN_POST_ALLOC): New macros.
10935 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10936 df_free_bb_function, df_local_compute_function, df_init_function,
10937 df_dataflow_function, df_confluence_function_0,
10938 df_confluence_function_n, df_transfer_function,
10939 df_finalizer_function, df_free_function, df_dump_problem_function,
10940 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10941 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10942 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10943 df_urec_bb_info, ) New types.
10944 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10946 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10947 df_analyze_simple_change_some_blocks,
10948 df_analyze_simple_change_one_block, df_compact_blocks,
10949 df_bb_replace, df_bb_regno_last_use_find,
10950 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10951 df_insn_regno_def_p, df_find_def, df_find_use,
10952 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10953 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10954 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10955 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10956 debug_df_chain, df_get_dependent_problem, df_chain_create,
10957 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10958 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10959 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10960 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10961 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10962 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10963 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10964 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10965 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10966 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10967 df_reorganize_refs, df_set_state, df_hard_reg_init,
10968 df_read_modify_subreg_p) New public functions.
10969 * df-core.c: The core dataflow solver and glue routines for rtl
10971 (df_init, df_add_problem, df_set_blocks, df_finish,
10972 df_hybrid_search_forward, df_hybrid_search_backward,
10973 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10974 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10975 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10976 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10977 df_reg_defined, df_find_use, df_reg_used, df_dump,
10978 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10979 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10980 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10981 debug_df_useno, reset_df_after_reload): New functions.
10982 * df-scan.c: The scanning fuctions, once in df.c, completely
10983 rewritten so that they now fully model the functionality of
10984 register usage at the backend.
10985 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10986 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10987 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10988 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10989 df_get_artificial_defs, df_get_artificial_uses,
10990 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10991 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10992 df_refs_delete, df_reorganize_refs, df_set_state,
10993 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10994 df_def_record_1, df_defs_record, df_uses_record,
10995 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10996 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10997 df_record_exit_block_uses, df_hard_reg_init): New functions.
10999 * df-problems.c: Seven concrete dataflow problems that use the
11000 scanning in df-scan.c and are solved by the engine in df-core.c.
11001 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
11002 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
11003 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
11004 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
11005 df_ru_free_bb_info, df_ru_alloc,
11006 df_ru_bb_local_compute_process_def,
11007 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
11008 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
11009 df_ru_transfer_function, df_ru_free, df_ru_dump,
11010 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
11011 df_rd_free_bb_info, df_rd_alloc,
11012 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
11013 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
11014 df_rd_transfer_function, df_rd_free, df_rd_dump,
11015 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
11016 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
11017 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
11018 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
11019 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
11020 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
11021 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
11022 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
11023 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
11024 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
11025 df_urec_mark_reg_change, df_urec_check_earlyclobber,
11026 df_urec_mark_reg_use_for_earlyclobber,
11027 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
11028 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
11029 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
11030 df_urec_dump, df_urec_add_problem, df_chain_alloc,
11031 df_chain_create_bb_process_use, df_chain_create_bb,
11032 df_chain_finalize, df_chain_free, df_chains_dump,
11033 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
11034 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
11035 df_reg_lifetime): New functions.
11036 * df.c: Deleted file.
11037 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
11038 consistent with new df api.
11039 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
11040 rest_of_handle_sms): Ditto.
11041 * web.c (unionfind_union, union_defs, entry_register, web_main):
11043 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
11044 invariant_expr_equal_p, find_defs, check_dependencies,
11045 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
11046 free_inv_motion_data, move_loop_invariants): Ditto.
11047 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
11048 Update dependencies.
11049 (odf.c): Added defective entry that was deleted later in day.
11050 * sched-deps.c (sched_analyze_1): Ditto.
11052 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
11054 * tree-ssa-operands.c (get_expr_operands): Record addressable
11055 variables directly. Do not call add_stmt_operands for CONST_DECLs
11057 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
11058 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11060 2006-01-11 Ben Elliston <bje@au.ibm.com>
11062 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11063 function returns true in the positive case.
11065 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11068 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11069 for SI, DI, SF and DF modes. Add alternatives to copy between
11070 general and floating point registers to the 32-bit patterns.
11071 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11072 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11073 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11074 generating 64-bit code.
11075 * config/pa/pa.c (output_move_double): Handle copies between general
11076 and floating registers.
11078 2006-01-10 Stuart Hastings <stuart@apple.com>
11080 * config/i386/i386.md (set_got): Update.
11081 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11082 (builtin_setjmp_receiver): Mach-O support.
11083 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11084 (GOT_SYMBOL_NAME): Define.
11085 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11086 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11087 * config/i386/i386.c (override_options): Revise for Darwin.
11088 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11089 support. (darwin_x86_file_end): New. (output_set_got): Add label
11090 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11091 * config/i386/i386-protos.h (output_set_got): Likewise.
11092 * config/darwin.c (machopic_legitimize_pic_address): Update
11095 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11097 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11098 when MODE isn't BLKmode.
11100 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11102 PR rtl-optimization/25367
11103 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11105 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11108 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11109 for a negative bound.
11111 2006-01-10 Richard Guenther <rguenther@suse.de>
11113 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11114 Never override with anything constraint.
11116 2006-01-10 Jan Beulich <jbeulich@novell.com>
11118 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11119 256 bits when optimize_size.
11121 2006-01-10 Jan Beulich <jbeulich@novell.com>
11123 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11125 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11126 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11129 2006-01-10 Ben Elliston <bje@au.ibm.com>
11131 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11133 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11134 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11135 (USE_FP_FOR_ARG): Reject decimal float modes.
11136 (function_arg_advance): Likewise.
11137 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11138 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11139 point types in AltiVec vectors.
11140 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11141 (rs6000_libcall_value): Likewise.
11143 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11145 * config/xtensa/ieee754-df.S: New file.
11146 * config/xtensa/ieee754-sf.S: New file.
11147 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11148 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11149 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11151 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11153 * config/sh/predicates.md (binary_float_operator,
11154 binary_logical_operator, commutative_float_operator,
11155 equality_comparison_operator, greater_comparison_operator,
11156 less_comparison_operator, logical_operator,
11157 noncommutative_float_operator, shift_operator,
11158 symbol_ref_operand, unary_float_operator): Remove redundant
11161 2006-01-09 Jeff Law <law@redhat.com>
11163 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11164 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11165 now unused arguments. Callers updated.
11166 (eliminate_redundant_computations): Remove now unused arguments,
11168 (local_fold): Remove, no longer used.
11169 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11171 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11172 (simplify_cond): New function.
11173 (forward_propagate_into_cond): Call simplify_cond.
11175 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11177 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11178 (*vec_extractv2di_1_sse): New.
11180 2006-01-09 Ben Elliston <bje@au.ibm.com>
11182 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11184 2006-01-08 Richard Guenther <rguenther@suse.de>
11186 * tree-ssa-structalias.c (get_constraint_for): Remove
11187 anyoffset argument.
11188 (get_constraint_for_component_ref): Likewise.
11189 (do_deref): Likewise.
11190 (get_constraint_for): Likewise.
11191 (do_structure_copy): Likewise.
11192 (handle_ptr_arith): Likewise.
11193 (find_func_aliases): Likewise. Remove unused need_anyoffset
11196 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11197 Kaz Kojima <kkojima@gcc.gnu.org>
11199 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11200 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11201 (EXTRA_CONSTRAINT_C16): Remove.
11202 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11203 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11204 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11205 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11206 constants of SHmedia. Handle nested constant expressions of
11208 (andcosts): Fix the costs for SHmedia constants.
11209 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11210 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11211 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11212 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11213 (movv4hi_i, movv2si_i): Likewise.
11214 (movsi_const): Adjust the second operand of ior so to match with
11215 the Csu constraint.
11216 (movdi_const, movdi_const_32bit): Likewise.
11217 (movdi_const_16bit+1): Don't sign-extend LOW.
11218 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11220 (*double_shori): Fix the split condition. Use GEN_INT instead
11221 of get_int_mode calls. Mask lower 16-bit of the argument of
11223 (sym2GOTPLT): Remove.
11224 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11226 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11227 instead of EXTRA_CONSTRAINT_C16.
11229 2006-01-07 Ian Lance Taylor <ian@airs.com>
11230 David Edelsohn <edelsohn@gnu.org>
11232 PR rtl-optimization/25662
11233 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11234 for constant operands instead of simplify_gen_binary.
11235 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11236 after trying simplify_binary_operation
11238 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11240 * tree.c (iterative_hash_expr): Hash decls based on UID.
11242 2006-01-06 Eric Christopher <echristo@apple.com>
11244 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11245 (TARGET_UNWIND_EMIT): Fix spelling.
11246 * target.h (gcc_target): Add except_table_label.
11247 * except.c (output_function_exception_table): Use.
11248 * varasm.c (default_emit_except_table_label): New.
11249 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11251 (asm_out): Add here.
11252 * output.h (default_emit_except_table_label): Prototype.
11253 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11254 * config/darwin.c (darwin_emit_except_table_label): Define.
11255 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11257 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11259 PR tree-optimization/18527
11260 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11261 number_of_iterations_special, number_of_iterations_exit):
11262 Move base and step of an iv to a single structure. Add
11263 no_overflow flag, and use it in # of iterations analysis.
11264 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11265 folded_casts argument.
11266 (simple_iv): Pass base and step in a structure. Set no_overflow
11268 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11269 Evaluate expensiveness of computing # of iterations instead of
11270 the final expression.
11271 * tree-scalar-evolution.h (affine_iv): New structure.
11272 (simple_iv): Declaration changed.
11273 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11274 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11275 find_givs_in_stmt): Changed due to simple_iv change.
11277 2006-01-06 Jeff Law <law@redhat.com>
11280 * tree-cfg.c (bsi_replace): Rename final argument from
11281 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11282 change (stmt -> orig_stmt).
11283 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11284 (bsi_remove): Add new argument. Remove EH information
11286 (verify_eh_throw_table_statements): New function.
11287 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11289 * tree-optimize.c (execute_free_cfg_annotations): Verify
11290 the EH throw statement table after removing annotations.
11291 * except.h (verify_eh_throw_table_statements): Prototype.
11292 * tree-flow.h (bsi_remove): Update prototype.
11293 * tree-vrp.c (remove_range_assertions): Add new argument to
11295 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11296 * tree-complex.c (expand_complex_div_wide): Likewise.
11297 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11298 * tree-tailcall.c (eliminate_tailcall): Likewise.
11299 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11300 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11301 * tree-nrv.c (tree_nrv): Likewise.
11302 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11303 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11304 (combine_blocks): Likewise.
11305 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11306 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11307 (cleanup_control_flow): Likewise.
11308 (remove_forwarder_block): Likewise.
11309 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11310 * tree-sra.c (sra_replace): Likewise.
11311 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11312 (forward_propagate_single_use_vars): Likewise.
11313 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11314 * tree-inline.c (expand_call_inline): Likewise.
11315 * tree-vect-transform.c (vect_transform_loop): Likewise.
11316 * tree-outof-ssa.c (rewrite_trees): Likewise.
11317 * tree-cfg.c (make_goto_expr_edges): Likewise.
11318 (cleanup_dead_labels): Likewise.
11319 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11320 (bsi_move_before, bsi_move_after): Likewise.
11321 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11322 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11324 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11327 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11329 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11330 on non gimple variables. Also add checks at the top for decls and
11332 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11334 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11335 and IMAGPART_EXPR for creating MUST_DEFs.
11336 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11337 and NAME_MEMORY_TAG separately from the DECLs.
11339 2006-01-06 Richard Guenther <rguenther@suse.de>
11341 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11342 annotation, if necessary.
11343 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11344 redundant calls to update_stmt.
11345 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11348 2006-01-05 Richard Henderson <rth@redhat.com>
11350 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11352 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11354 * c-typeck.c: Update copyright date.
11356 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11358 * c-typeck.c (build_c_cast): Always warn when casting
11359 from a pointer to an integer of different size, even if
11360 the node was constant.
11362 2006-01-05 Richard Guenther <rguenther@suse.de>
11364 PR tree-optimization/22555
11365 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11366 if one structure field is an array.
11367 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11368 operands even if we found a subvar, but ignore VOPs in this
11370 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11372 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11374 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11376 PR middle-end/24998
11377 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11379 2006-01-05 Richard Guenther <rguenther@suse.de>
11380 Diego Novillo <dnovillo@redhat.com>
11382 * tree-pass.h (TODO_remove_unused_locals): Define.
11383 * gimple-low.c (expand_var_p, remove_useless_vars,
11384 pass_remove_useless_vars): Remove. Update all users.
11385 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11386 (remove_unused_locals): New function.
11387 * tree-flow.h (remove_unused_locals): Declare.
11388 * passes.c (execute_todo): Call remove_unused_locals if
11389 TODO_remove_unused_locals is set.
11390 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11391 * tree-ssa-dce.c (pass_dce): Likewise.
11392 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11394 2006-01-05 Richard Guenther <rguenther@suse.de>
11396 * tree-flow.h (struct fieldoff): Decompose field to
11397 type, size and decl.
11398 * tree-ssa-alias.c (create_sft): Take type as parameter.
11399 (create_overlap_variables_for): Store type, size and decl
11400 in the fieldoff structure.
11401 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11402 of struct fieldoff.
11403 (push_fields_onto_fieldstack): Likewise.
11404 (create_variable_info_for): Likewise. Use offset for the
11405 SFT name if the decl is not available.
11407 2006-01-04 Paul Brook <paul@codesourcery.com>
11409 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11411 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11413 * lambda-code.c (can_put_in_inner_loop): Relax
11415 (can_put_after_inner_loop): New function.
11416 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11417 (perfect_nestify): Change to make copies and modify uses.
11419 2006-01-04 Richard Henderson <rth@redhat.com>
11421 Merge from gomp branch:
11422 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11423 via integer constant.
11424 (pragma_lex): Remove.
11425 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11426 rather than parsing it.
11427 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11428 handle_pragma_extern_prefix): Add %< %> quotes.
11429 (registered_pragmas): New.
11430 (c_register_pragma_1): New.
11431 (c_register_pragma): Use it.
11432 (c_register_pragma_with_expansion): Likewise.
11433 (c_invoke_pragma_handler): New.
11434 (init_pragma): Use cpp_register_deferred_pragma directly for
11436 * c-pragma.h (enum pragma_kind): New.
11437 (pragma_handler): New.
11438 (c_invoke_pragma_handler): Declare.
11439 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11441 * c-common.h (c_common_pch_pragma): Update decl.
11442 * Makefile.in (c-parser.o): Update dependencies.
11443 (GTFILES): Add c-pragma.h.
11444 * c-parser.c (struct c_token): Add pragma_kind.
11445 (struct c_parser): Add in_pragma.
11446 (c_lex_one_token): Always initialize keyword and pragma_kind.
11447 Extract data for CPP_PRAGMA.
11448 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11449 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11450 Don't allow CPP_PRAGMA_EOL if in_pragma.
11451 (c_parser_consume_pragma): New.
11452 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11453 (c_parser_skip_to_end_of_parameter): Likewise.
11454 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11455 (c_parser_skip_to_pragma_eol): New.
11456 (c_parser_external_declaration): Handle CPP_PRAGMA.
11457 (c_parser_compound_statement_nostart): Likewise.
11458 (c_parser_statement_after_labels): Likewise.
11459 (c_parser_pragma): New.
11460 (pragma_lex): Likewise.
11461 (c_parser_pragma_pch_preprocess): New.
11462 (c_parser_new): Merge into ...
11463 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11465 2006-01-04 Jeff Law <law@redhat.com>
11468 * tree-cfg.c (bsi_replace): Remove the original statement
11469 from the EH throw statement table.
11471 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11473 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11474 make the prototype extern "C" and add throw ().
11477 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11478 and pos non-negative and pos + len <= 32.
11479 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11480 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11481 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11484 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11485 as well as sizes not multiple of component size.
11488 * function.c (instantiate_expr): New function.
11489 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11490 walk its DECL_VALUE_EXPR with instantiate_expr.
11492 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11493 DW_OP_deref{,_size} if address isn't going to be added.
11495 2006-01-04 Ben Elliston <bje@au.ibm.com>
11497 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11498 * config/fp-bit.c: Likewise.
11500 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11502 * dominance.c: Add comment about why we use DFS numbering
11505 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11506 Richard Henderson <rth@redhat.com>
11508 Merge from gomp-branch:
11509 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11510 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11512 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11514 PR rtl-optimization/25578
11515 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11516 pass a parameter to simplify_shift_const if changing ASHIFTRT
11519 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11521 * builtins.c (get_builtin_sync_mem): New function.
11522 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11523 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11524 Call get_builtin_sync_mem to generate mem rtx.
11526 2006-01-03 Richard Guenther <rguenther@suse.de>
11529 * stmt.c (add_case_node): Make sure to clear overflow flags
11532 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11534 Merge from gomp-branch.
11535 * config/sparc/sync.md: New file.
11536 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11537 UNSPECV_LDSTUB): New constants.
11538 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11539 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11540 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11543 2006-01-03 Roger Sayle <roger@eyesopen.com>
11545 * combine.c (reg_subword_p): New predicate to test whether the
11546 destination of a set refers to a subword/piece of a register.
11547 (try_combine): Generalize the code to merge the setting of a
11548 pseudo to a constant followed by a set of a subword of that
11549 register to a constant.
11551 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11553 * basic-block.h (control_flow_graph): Change the type of
11554 x_label_to_block_map to VEC(basic_block,gc) *.
11555 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11556 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11558 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11559 VEC(basic_block,heap) *.
11560 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11561 ssa_prop_fini): Adjust the uses of cfg_blocks.
11563 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11565 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11567 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11568 hashing trees instead of a pointer hash.
11569 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11570 compare for MEM_EXPR.
11572 PR rtl-optimization/25130
11573 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11574 when comparing MEMs for GCSE
11576 2006-01-03 Ben Elliston <bje@au.ibm.com>
11578 * targhooks.h (default_decimal_float_supported_p): Declare.
11579 * targhooks.c (default_decimal_float_supported_p): Define.
11580 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11581 `default_decimal_float_supported_p'.
11582 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11584 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11586 * combine.c (apply_distributive_law <SUBREG>): Check
11587 TRULY_NOOP_TRUNCATION.
11589 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11591 * dwarf2out.c (have_switched_text_section): Delete.
11592 (have_multiple_function_sections): New.
11593 (have_location_lists): Make 'bool'.
11594 (add_AT_loc_list): Use 'true' not '1'.
11595 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11596 (output_loc_list): Use have_multiple_function_sections.
11597 (output_ranges): Likewise.
11598 (dwarf2out_begin_function): Set have_multiple_function_sections if
11600 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11601 Check function_section rather than DECL_SECTION_NAME.
11602 (dwarf2out_finish): Use have_multiple_function_sections.
11603 Don't clear have_location_lists.
11605 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11606 Jan Hubicka <jh@suse.cz>
11608 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11609 case of conditional jump jumping to the next instruction.
11610 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11611 cases of conditional jump jumping to the next instruction.
11613 2006-01-02 Jan Hubicka <jh@suse.cz>
11615 * i386.c (*_cost): Add COSTS_N_INSNS.
11616 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11618 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11621 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11623 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11625 * config/arm/arm.c (all_fpus): Fix comment typo.
11626 * config/darwin.c: Likewise.
11627 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11628 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11629 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11631 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11633 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11634 (rs6000_split_compare_and_swapqhi): New.
11635 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11636 (sync_compare_and_swapqhi_internal): New.
11637 * config/rs6000/rs6000-protos.h: Declare.