1 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/27639
4 PR tree-optimization/26719
5 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
6 call to scev_probably_wraps_p.
7 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8 used_in_pointer_arithmetic_p, convert_step): Removed.
9 (nowrap_type_p): New function.
10 (scev_probably_wraps_p): Rewritten.
11 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
12 chrec_convert if chrec_convert_aggressive might have been used.
13 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
14 scev_direction): New functions.
15 (chrec_convert): Changed to a wrapper over chrec_convert_1.
16 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
17 instead of convert_step.
18 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
19 (convert_step): Declaration removed.
20 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
22 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
24 * df-core.c: Added to header comments.
25 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
26 df_ur_bb_info, df_urec_bb_info): Added comments.
27 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
28 urec, ri problems): Fixed header comments.
29 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
30 code from df_rd_transfer_function.
32 2006-05-23 Richard Sandiford <richard@codesourcery.com>
34 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
35 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
36 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
38 2006-05-23 Joseph Myers <joseph@codesourcery.com>
40 * expr.c (undefined_operand_subword_p): New.
41 (emit_move_multi_word): Do not generate move from undefined bits
42 of a paradoxical subreg.
44 2006-05-23 Richard Sandiford <richard@codesourcery.com>
46 PR rtl-optimization/27736
47 * combine.c (replaced_rhs_value): New variable.
48 (combine_instructions): Set it.
49 (distribute_notes): When distributing a note in replaced_rhs_insn,
50 check whether the value was used in replaced_rhs_value.
52 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
55 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
56 add_referenced_var instead of add_referenced_tmp_var.
57 * tree-complex.c (create_one_component_var): Use add_referenced_var.
58 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
60 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
61 tree_optimize_tail_calls_1): Use add_referenced_var.
62 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
63 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
64 Use add_referenced_var.
65 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
66 * gimplify.c (force_gimple_operand): Use add_referenced_var.
67 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
68 Use add_referenced_var.
69 * tree-dfa.c (struct walk_state): Remove.
70 (find_referenced_vars): Remove walk state and vars_found hash table.
71 (make_rename_temp): Use add_referenced_var.
72 (find_vars_r): Pass less parameters to add_referenced_var.
73 (referenced_var_p): New. Is var in referenced_var hash table.
74 (referenced_var_insert): Assert var isn't already in hash table.
75 (add_referenced_var): Don't need walk_state parameter. Add var if it
76 isn't already in the hash table.
77 (add_referenced_tmp_var): Remove.
78 (find_new_referenced_vars_1): Use add_referenced_var.
79 * tree-ssa-pre.c (create_expression_by_pieces,
80 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
81 Use add_referenced_var.
82 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
83 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
84 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
86 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
87 vect_create_data_ref_ptr, vect_create_destination_var,
88 vect_init_vector, vect_build_loop_niters,
89 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
90 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
91 Use add_referenced_var.
92 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
93 * tree-flow.h (add_referenced_tmp_var): Remove prototype
94 (add_referenced_var): Add prototype.
95 * tree-ssa-structalias.c (get_constraint_for,
96 intra_create_variable_infos): Use add_referenced_var.
98 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
100 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
101 big-endian paradoxical subregs.
102 * var-tracking.c (struct micro_operation_def): Document that,
103 for modify micro operations, insn is the subsequent instruction.
104 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
105 (var_reg_set, var_mem_set): ... new functions.
106 (add_stores): Record subsequent insn.
107 (compute_bb_dataflow): Use new functions for MO_USE.
108 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
109 notes after the insn, and modify notes before the insn known
110 to be the subsequent one.
111 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
113 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
116 * config/i386/i386.c (ix86_expand_builtin): Use
117 gen_sse3_monitor64 for TARGET_64BIT.
119 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
121 PR rtl-optimization/26375
122 PR rtl-optimization/26855
123 * df-problems (df_ru_bb_local_compute_process_def): Removed update
125 (df_ru_bb_local_compute): Reversed statements and removed bogus
126 comment explaining why they should be in wrong order.
127 (df_ru_dump, df_rd_dump): Enhanced debug info.
128 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
130 * ddg.c (add_deps_for_def): Converted use of reaching defs to
131 reaching uses and fixed space problem.
133 2006-05-23 Jan Hubicka <jh@suse.cz>
135 * cgraphunit.c (decide_is_function_needed): Also nested functions
136 and functions declared inline can be optimized out at -O0.
138 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
140 * doc/install.texi (Configuration): Remove reference to CrossGCC
141 FAQ which was hijacked.
144 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
147 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
148 ix86_compare_emitted is non-NULL.
150 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
153 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
156 2006-05-22 Richard Sandiford <richard@codesourcery.com>
158 PR rtl-optimization/25514
159 * combine.c (replaced_rhs_insn): New variable.
160 (combine_instructions): Set replaced_rhs_insn when trying to replace
161 a SET_SRC with a REG_EQUAL note.
162 (distribute_notes): Use replaced_rhs_insn when determining the live
163 range of a REG_DEAD register.
165 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
166 Anatoly Sokolov <aesok@post.ru>
168 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
169 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
170 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
171 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
172 atmega3290, atmega649, atmega6490, atmega406, atmega640,
173 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
174 at90usb647, at90usb1286 and at90usb1287 devices.
175 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
176 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
178 2006-05-22 Richard Sandiford <richard@codesourcery.com>
180 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
182 2006-05-22 Richard Guenther <rguenther@suse.de>
185 2006-01-31 Richard Guenther <rguenther@suse.de>
186 Paolo Bonzini <bonzini@gnu.org>
188 * doc/install.texi (--disable-libgcc-math): Document.
190 2006-05-22 Richard Guenther <rguenther@suse.de>
193 2006-01-31 Richard Guenther <rguenther@suse.de>
195 * doc/invoke.texi (-msselibm): Document.
196 * target.h (expand_library_builtin): New target hook.
197 * builtins.c (expand_builtin): Use expand_library_builtin.
198 (default_expand_library_builtin): New function.
199 * gcc.c (LINK_GCC_MATH_SPEC): Define.
200 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
201 (link_gcc_math_spec): Declare.
202 (static_specs): Add link_gcc_math_spec.
203 * expr.h (default_expand_library_builtin): Declare.
204 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
205 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
206 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
207 * config/i386/i386.opt (msselibm): New target option.
208 * config/i386/i386.c (ix86_builtin_function_variants): New array.
209 (ix86_init_sse_abi_builtins): New function.
210 (ix86_expand_library_builtin): Likewise.
211 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
212 (override_options): Handle error conditions wrt -msselibm.
213 (ix86_builtins): Add function codes for SSE2 ABI builtins.
214 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
215 * doc/extend.texi (__builtin_sse2_*): Document new target specific
218 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
221 * c-common.c (self_promoting_args_p): Skip erroneous args.
224 * c-decl.c (finish_struct): Skip erroneous fields.
226 2006-05-22 Nick Clifton <nickc@redhat.com>
228 * config/cris/cris.opt (march): Remove VarExists attribute.
229 (max-stackframe=): Likewise.
231 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
233 * doc/rtl.texi: Fix a typo.
234 * see.c: Fix comment typos.
236 * tree-ssa-structalias.h (alias_info): Remove num_references.
238 2006-05-21 Mike Stump <mrs@apple.com>
240 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
242 (darwin_pragma_options): Use BAD instead.
243 (darwin_pragma_unused): Likewise.
244 (darwin_pragma_ms_struct): Likewise.
246 2006-05-21 David Edelsohn <edelsohn@gnu.org>
248 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
250 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
252 PR rtl-optimization/27671
253 * simplify-rtx.c (simplify_relational_operation_1): Fix
254 simplifications of (eq/ne (xor x y) y) and
257 PR tree-optimization/26622.
258 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
261 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
263 * tree-cfg.c: Prune whitespace.
264 (debug_tree_cfg): Point to correct header containing the
267 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
270 * cgraphunit.c (verify_cgraph_node): Typo in error message.
272 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
275 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
276 or sorry count is non zero.
278 2006-05-20 Andreas Schwab <schwab@suse.de>
280 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
282 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
283 Kenneth Zadeck <zadeck@naturalbridge.com>
285 PR rtl-optimization/26855
287 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
289 (df_scan_alloc): Added code to properly handle multiword hard
290 registers and add all_blocks parameter.
291 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
292 code to properly handle multiword hard registers.
293 (df_rescan_blocks): Added code to remove deleted blocks from
295 (df_ref_create_structure, df_ref_record): Added code to properly
297 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
298 and set DF_REF_PARTIAL.
299 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
300 (df_uses_record): Added DF_REF_PARTIAL for subreg.
301 (df_scan_add_problem): Added flags parameter.
302 (df_ref_create_structure): Changed switching structure.
303 (df_bb_refs_record): Fixed case where duplicate artificial refs
304 were created. Changed location of flags.
305 (df_record_entry_block_defs): Added code to make stack pointer
306 live in entry block. Refined cases where frame pointer is needed.
307 Changed location of flags.
308 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
309 (df_set_state): Removed function.
310 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
311 df_insn_create_insn_record, df_insn_refs_delete,
312 df_ref_create_structure): Formatting changes.
313 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
314 df_delete_basic_block): New function.
315 (df_init): Changed location of flags.
316 (df_add_problem): Added flags parameter and the way flags are
318 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
319 debug_df_chain): Improved debugging output.
320 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
321 (df_refs_chain_dump): Removed df parameter.
322 (df_iterative_dataflow): Added consistency check.
323 (df_prune_to_subcfg): Made public.
324 (df_analyze_problem): Added blocks_to_init parameter and made
326 (df_ref_record, df_bb_refs_record, df_mark_reg,
327 df_record_exit_block_uses): Whitespace changes.
328 (df_dump): Whitespace changes.
329 * df.h: Some reordering to remove forward references.
330 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
331 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
332 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
333 (dataflow.flags): New field.
334 (df.flag): Deleted field.
335 (df_alloc_function): Added additional bitmap parameter.
336 (df_dependent_problem_function): New type.
337 (df_problem.changeable_flags): New field.
338 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
339 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
340 (df_mw_hardreg): New struct.
341 (DF_INSN_UID_MWS): New macro.
342 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
344 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
345 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
346 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
347 (df_set_state): Removed function.
348 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
349 * df-problems.c (df_chain_dump): Removed df parameter.
350 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
351 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
353 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
354 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
355 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
356 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
357 DF_REF_MUST_CLOBBER cases.
358 (df_ru_bb_local_compute_process_def,
359 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
360 df_lr_bb_local_compute, df_ur_bb_local_compute,
361 df_chain_create_bb): Made subreg aware.
362 (df_ru_bb_local_compute, df_rd_bb_local_compute,
363 df_lr_bb_local_compute, df_lr_bb_local_compute,
364 df_chain_create_bb): Cleanup to use proper macros.
365 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
366 code to fixup bitvectors.
367 (df_ri_alloc): Cleared lifetime.
368 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
369 df_create_unused_note): New function.
370 (df_ri_bb_compute, df_ri_compute): Added code to create/update
371 REG_DEAD and REG_UNUSED notes as well as register information.
372 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
373 df_chains_dump): Fixed crash if problem was never run.
374 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
375 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
376 df_ri_add_problem): Processes flags in uniform manner.
377 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
378 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
379 df_rd_dump, df_urec_free_bb_info): Formatting changes.
380 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
381 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
382 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
383 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
384 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
385 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
386 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
387 * see.c (see_initialize_data): Ditto.
388 * final.c (rest_of_clean_state) Added regstack_completed.
389 * rtl.h (regstack_completed): Ditto.
390 * reg-stack.c (regstack_completed): Ditto.
392 2006-05-19 Mike Stump <mrs@apple.com>
394 * c-tree.h (default_conversion): Remove.
395 * c-common.h (default_conversion): Add.
397 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
399 * tree-vrp.c (valid_value_p): New function.
400 (adjust_range_with_scev): Fail if the value of bound is not
403 2006-05-19 Richard Sandiford <richard@codesourcery.com>
405 * config/mips/linux-unwind.h: Include <asm/unistd.h>
406 (mips_fallback_frame_state): Use syscall numbers to determine
407 the appropriate li instruction for the current ABI. Only use
408 __NR_sigreturn for o32.
410 2006-05-19 Nicolas Setton <setton@adacore.com>
412 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
413 * langhooks.c (lhd_dwarf_name): New function.
414 * langhooks-def.h (lhd_dwarf_name): Declare.
415 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
416 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
417 * ada/misc.c (gnat_dwarf_name): New function.
418 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
420 2006-05-19 Richard Sandiford <richard@codesourcery.com>
422 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
424 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
425 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
426 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
427 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
428 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
429 determine the size of Wtype, etc.
430 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
431 (swfloatfuncs): New variable.
432 (dwfloatfuncs): Likewise.
433 (lib2funcs): Remove floating-point conversion functions from
434 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
435 the set of conversion routines needed. Allow entries to specify
436 an object name, filename and word size. Update users accordingly.
437 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
438 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
442 2006-02-08 Roger Sayle <roger@eyesopen.com>
445 * config/fixtfdi.c: New libgcc source file.
446 * config/fixunstfdi.c: New source file.
447 * config/floatditf.c: New source file.
448 * config/floatunditf.c: New souce file.
449 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
450 files above instead of config/mips/_tilib.c.
451 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
453 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
455 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
456 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
458 2006-05-18 Mike Stump <mrs@apple.com>
460 Fix up vla, vm and [*] sematics.
466 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
467 (c_vla_unspec_p): Add.
469 * c-decl.c (struct c_scope): Add had_vla_unspec.
470 (build_array_declarator): Add support for [*].
471 (grokdeclarator): Likewise.
472 (grokparms): Likewise.
473 (get_parm_info): Likewise.
474 * c-objc-common.c (c_vla_unspec_p): Likewise.
475 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
476 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
477 typeof when argument is a variably modified type not inside sizeof or alignof.
478 (c_parser_direct_declarator_inner): Propagate errors.
479 (c_parser_sizeof_expression): Add support for [*].
480 (c_parser_parms_declarator): Initialize had_vla_unspec.
481 (c_parser_parms_list_declarator): Likewise.
482 * c-typeck.c (c_vla_type_p): Add.
483 (composite_type): Add support for vla compositing.
484 (comptypes_internal): Add support for vla compatibility.
485 (c_expr_sizeof_expr): Evaluate vla arguments.
486 * tree.c (variably_modified_type_p): Update comment for [*].
488 2006-05-18 Michael Matz <matz@suse.de>
491 * config.host: Make assignments to host_xmake_file cumulative.
492 * config.host (*-darwin*): Test $host, not $target.
494 2006-05-12 Stuart Hastings <stuart@apple.com>
496 * config/i386/i386.opt (-mstackrealign): New flag.
497 * config/i386/i386.c (force_align_arg_pointer): New attribute.
498 (ix86_handle_cconv_attribute): Emit error when
499 force_align_arg_pointer attribute collides with too many regparms.
500 (ix86_function_regparm): Limit regparms when used with
501 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
502 Support stack-realigning prologue in non-main functions. Emit
503 warning for nested functions under -mstackrealign, emit error for
504 nested functions with force_align_arg_pointer attribute.
505 * doc/extend.texi (force_align_arg_pointer): Document it.
506 * doc/invoke.texi (-mstackrealign): Document it.
508 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
510 PR rtl-optimization/27477
511 * combine.c (try_combine): Don't split a parallel consisting
512 of two sets into two individual sets if both sets reference
515 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
517 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
518 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
520 * doc/options.texi (VarExists): Updated.
522 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
524 * unwind-dw2.c: Add declarations for uw_update_context and
526 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
527 detected, advance frame state and context once to skip over stub.
529 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
533 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
534 Call rewrite_into_loop_closed_ssa only when something changed.
535 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
536 * lambda-code.c (can_convert_to_perfect_nest): Declared.
537 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
538 Test for perfect_nest_p here. Fix formating.
539 (replace_uses_equiv_to_x_with_y): Fix formating.
540 (stmt_uses_op): Removed.
541 (can_convert_to_perfect_nest): Removed loopivs parameter.
542 Complete the test by checking the scalar dependences.
543 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
546 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
549 From Dan Kegel <dank@kegel.com>:
550 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
552 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
554 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
555 if the element type is variably modified without recursing.
557 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
560 * tree-loop-linear.c (try_interchange_loops): Test for
563 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
565 PR tree-optimization/27548
566 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
567 range of ssa names that appear on abnormal edges.
568 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
569 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
571 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
574 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
576 2006-05-17 Jakub Jelinek <jakub@redhat.com>
579 * tree.h (OMP_PARALLEL_COMBINED): Define.
580 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
581 (new_omp_context): Add is_combined_parallel argument.
582 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
583 new_omp_context caller.
584 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
585 Adjust gimplify_scan_omp_clauses callers.
586 (omp_is_private): Issue errors if iteration variable is firstprivate
587 or reduction in the current context.
588 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
589 on combined parallel workshare constructs.
591 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
593 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
594 (gcc-options.o): New rule.
596 * optc-gen.awk: Protect variables for gcc-options.o with
597 #ifdef GCC_DRIVER/#endif.
599 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
601 Fix PR tree-optimization/27373
602 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
603 (forward_propagate_addr_expr): Update call.
605 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
607 * doc/options.texi: Move the Negative option.
609 2006-05-16 Richard Guenther <rguenther@suse.de>
611 PR tree-optimization/22303
612 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
614 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
615 ccp_fold did not simplify the statement.
617 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
620 * Makefile.in (GCC_OBJS): New.
621 (OBJS-common): Add opts-common.o.
622 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
623 (cpp$(exeext)): Likewise.
624 (gcc.o): Also depend on opts.h.
625 (opts-common.o): New.
627 * common.opt (gcoff): Add Negative(gdwarf-2).
628 (gdwarf-2): Add Negative(gstabs).
629 (gstabs): Add Negative(gstabs+).
630 (gstabs+): Add Negative(gvms).
631 (gvms): Add Negative(gxcoff).
632 (gxcoff): Add Negative(gxcoff+).
633 (gxcoff+): Add Negative(gcoff).
634 * config/i386/i386.opt (m32): Add Negative(m64).
635 (m64): Add Negative(m32).
637 * doc/options.texi: Document the Negative option.
639 * gcc.c: Include "opts.h".
640 (main): Call prune_options after expandargv.
642 * optc-gen.awk: Generate common declarations for all flag
643 variables in options.c. Output the neg_index field.
645 * opts.c (find_opt): Moved to ...
646 * opts-common.c: Here. New file.
648 * opts.h (cl_option): Add a neg_index field.
650 (prune_options): Likewise.
652 2006-05-16 Jakub Jelinek <jakub@redhat.com>
655 * omp-low.c (expand_omp_parallel): Don't assert
656 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
657 instead search for it.
660 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
663 2006-05-16 Andreas Schwab <schwab@suse.de>
665 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
668 2006-05-15 Roger Sayle <roger@eyesopen.com>
671 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
672 integer constants other than zero are only legitimate on TARGET_64BIT.
673 <CONST_VECTOR> Only zero vectors are legitimate.
674 (ix86_cannot_force_const_mem): Integral and vector constants can
675 always be put in the constant pool.
677 2006-05-16 DJ Delorie <dj@redhat.com>
679 * crtstuff.c (__dso_handle): Set section from
680 TARGET_LBIGCC_SDATA_SECTION if defined.
681 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
682 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
684 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
687 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
690 2006-05-16 Ben Elliston <bje@au.ibm.com>
692 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
694 2006-05-15 Per Bothner <per@bothner.com>
696 * tree.c: (last_annotated_node): Use sources_locus typedef.
697 This permits bootstrapping with --enable-mapped-location.
699 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
701 PR tree-optimization/26830
702 * tree-into-ssa.c (struct ssa_name_info): Add age field.
703 (info_for_ssa_name, current_info_for_ssa_name_age,
704 blocks_to_update): New variables.
705 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
706 (clear_ssa_name_info, initialize_flags_in_bb,
707 mark_block_for_update): New functions.
708 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
709 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
710 prepare_def_site_for): Use mark_block_for_update.
711 (mark_def_interesting): Assert that the processed block is marked in
712 blocks_to_update. Do not take blocks argument.
713 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
715 (rewrite_update_init_block, rewrite_update_stmt): Only process
716 blocks with statements to rewrite.
717 (delete_update_ssa): Do not clear SSA_NAME_AUX.
718 (update_ssa): Initialize and free blocks_to_update. Do not
719 clear flags on statements. Do not use blocks bitmap.
720 * tree.h (SSA_NAME_AUX): Removed.
721 (struct tree_ssa_name): Removed aux field.
722 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
724 2006-05-15 Richard Guenther <rguenther@suse.de>
726 PR tree-optimization/27603
727 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
728 Do computations in original type.
730 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
732 * see.c: Code style changes such as redundant paranthesis,
733 redundant intialization of local variables etc.
734 (see_main): Declared now as static.
735 * doc/invoke.texi: Update that -fsee is not enabled by
738 2006-05-15 Jakub Jelinek <jakub@redhat.com>
740 * omp-low.c (check_omp_nesting_restrictions): New function.
741 (scan_omp_1): Call it.
744 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
745 construct, return *VAR.
747 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
749 PR rtl-optimization/27406
750 * bt-load.c (migrate_btr_def): Skip the block having abnormal
753 2006-05-14 Roger Sayle <roger@eyesopen.com>
755 PR rtl-optimization/27538
756 * combine.c (expand_compound_operation): Call gen_lowpart
757 before calling simplify_shift_const.
759 2006-05-14 Roger Sayle <roger@eyesopen.com>
761 PR rtl-optimization/22563
762 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
763 a fixed width bitfield, always force the intermediates into psuedos.
765 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
768 * mkconfig.sh: Use operator = instead of == for test.
770 2006-05-13 Nick Clifton <nickc@redhat.com>
772 * dwarf2out.c (dbx_reg_number): Check return value from
773 LEAF_REG_REMAP and only use it if it is valid.
774 (multiple_reg_loc_descriptor): Likewise.
776 2006-05-13 Richard Guenther <rguenther@suse.de>
778 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
781 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
783 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
784 information attached to non-INSNs such as NOTEs.
785 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
787 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
789 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
791 * config/s390/s390.md: Adjust comment describing On constraint.
793 2006-05-11 Jan Hubicka <jh@suse.cz>
795 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
798 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
801 * fold-const.c (size_binop): Move sanity check for arguments to
802 the beginning of the function.
805 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
808 2006-05-11 Richard Guenther <rguenther@suse.de>
811 * fold-const.c (fold_unary): Handle intermediate conversion
812 to a pointer type like intermediate conversion to an integer
813 type in folding of (T1)(T2)var to var.
814 Match the code to the comment in the final conversion for
815 (T1)(T2)var to (T1)var regarding to type precision. Rather
816 than disallow T1 being of pointer type, assert that both T1
817 and var are of pointer type or not. Make sure not to fall
818 over the frontends lazyness wrt array to pointer decay though.
820 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
822 * arm.c (arm_struct_value_rtx): Delete.
823 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
824 (arm_init_cumulative_args): Always initialize nregs to zero.
826 2006-05-10 Richard Guenther <rguenther@suse.de>
828 PR tree-optimization/27532
829 * tree-object-size.c (plus_expr_object_size): Fix typo.
831 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
834 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
835 ashrdi_const, ashrdi3): Use a scratch register.
837 2006-05-10 Richard Guenther <rguenther@suse.de>
839 PR tree-optimization/27302
840 * fold-const.c (operand_equal_p): For two comparisons,
841 try comparison of one comparison code swapped if that yields
844 2006-05-10 Ben Elliston <bje@au.ibm.com>
846 * tree-pretty-print.c (pretty_print_string): No need to handle
847 '\0' as a special character.
849 * tree.h: Include "hashtab.h".
850 (iterative_hash_expr): Use hashval_t in its prototype.
851 * Makefile.in (TREE_H): Add $(HASHTAB_H).
853 2006-05-09 Steve Ellcey <sje@cup.hp.com>
856 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
857 (hppa*64*-*-hpux11*): Ditto.
858 (hppa[12]*-*-hpux11*): Ditto.
860 2006-05-09 David Edelsohn <edelsohn@gnu.org>
863 * config/rs6000/aix41.h (TARGET_64BIT): Define.
865 2006-05-09 Michael Matz <matz@suse.de>
867 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
868 host_extra_gcc_objs and host_xmake_file.
869 (<*-*-linux*>): Don't overwrite host_xmake_file.
870 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
871 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
872 (host_detect_local_cpu): Declare.
873 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
874 * config/i386/i386.c (override_options): Handle -mtune=native
876 * config/i386/x-i386: New file.
877 * config/i386/driver-i386.c: New file.
878 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
881 2006-05-09 Dirk Mueller <dmueller@suse.de>
882 Richard Guenther <rguenther@suse.de>
885 * fold-const.c (fold_read_from_constant_string): Relax check
886 for matching types to matching modes.
888 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
890 PR rtl-optimization/27335
891 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
894 2006-05-08 Chao-ying Fu <fu@mips.com>
895 Richard Sandiford <richard@codesourcery.com>
897 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
898 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
899 * config/mips/mips.md (UNSPEC_SCC): New constant.
900 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
901 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
902 (mips_emit_compare): Use it.
903 (mips_expand_vcondv2sf): New function.
905 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
907 Fix PR tree-optimization/27093
908 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
909 renaming when they become not-used_alone.
911 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
913 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
914 relocation and relocation stubs.
916 2006-05-08 Eric Christopher <echristo@apple.com>
918 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
921 2006-05-08 Jan Hubicka <jh@suse.cz>
924 * cgraphunit.c (decide_is_function_needed): When not optimizing even
925 unused static functions are needed.
927 2006-05-08 Roger Sayle <roger@eyesopen.com>
930 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
931 of a reg_equiv_constant if the result is a legitimate constant.
933 2006-05-08 Uros Bizjak <uros@kss-loka.si>
936 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
937 standard 80387 constants, raise the cost to prevent
938 compress_float_constant() to generate load from memory.
940 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
942 * config/arm/constraints.md (c): Fix a typo.
944 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
947 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
950 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
952 (_mm_mwait): Likewise.
954 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
956 (sse3_monitor): Make it 32bit only.
957 (sse3_monitor64): New. 64bit monitor.
959 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
962 * config/i386/i386.c (classify_argument): Skip fields with invalid
965 2006-05-07 Richard Guenther <rguenther@suse.de>
967 PR tree-optimization/27409
968 * tree-ssa-structalias.c (get_constraint_for_component_ref):
969 Do not try to find zero-sized subvars.
971 2006-05-07 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/27136
974 * tree-ssa-loop-niter.c (get_val_for): Correct function
975 comment, assert requirements.
976 (loop_niter_by_eval): Stop processing if the iterated
977 value did not simplify.
979 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
981 * opts.c (flag_see): remove its setting at -O3.
983 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
985 * genpeep.c (main): Make insn-peep.c depend on flags.h.
986 * arm/constraints.md: New file.
987 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
988 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
989 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
990 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
991 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
992 (EXTRA_MEMORY_CONSTRAINT): Likewise.
993 * arm.md: Include constraints.md.
994 (thumb_movsi_insn): Use satisfies_constraint_J.
995 (movhi, movqi): Use satisfies_constraint_I.
997 2006-04-29 Anatoly Sokolov <aesok@post.ru>
999 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
1000 for atmeg a645 device.
1002 2006-05-06 Richard Guenther <rguenther@suse.de>
1004 PR tree-optimization/27151
1005 * tree-vect-transform.c (vectorizable_condition): Punt on
1006 values that have a different type than the condition.
1008 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
1011 * c-parser.c (c_parser_cast_expression): Only insert casts into
1012 hash table if pointer.
1013 * function.c (used_types_insert_helper): Rename from
1015 (used_types_insert): Call used_types_insert_helper.
1016 * function.h (used_types_insert): Accept only one argument.
1018 2006-05-05 David Edelsohn <edesohn@gnu.org>
1020 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
1021 scratch with output modifier.
1023 2006-05-04 David Edelsohn <edelsohn@gnu.org>
1026 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
1027 with output modifier.
1029 2006-05-04 Richard Sandiford <richard@codesourcery.com>
1032 * config/mips/mips.c (mips_symbolic_address_p): Return true
1033 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
1034 SYMBOL_GOTTPREL, and SYMBOL_TLS.
1036 2006-05-04 Richard Guenther <rguenther@suse.de>
1038 PR tree-optimization/14287
1039 PR tree-optimization/14844
1040 PR tree-optimization/19792
1041 PR tree-optimization/21608
1042 PR tree-optimization/27090
1043 * tree-ssa-pre.c (try_combine_conversion): New function.
1044 (compute_avail): After constructing the value-handle
1045 expression, use try_combine_conversion to combine NOP_EXPRs
1046 with previous value-handle expressions and use the result if it
1049 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
1051 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
1053 2006-05-04 Jan Hubicka <jh@suse.cz>
1056 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
1058 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
1060 * config/bfin/predicates.md (const01_rtx): Tell generator programs
1061 that this only matches CONST_INTs. All users changed to VOIDmode
1064 * config/bfin/bfin.c: Include "optabs.h".
1065 (bfin_rtx_costs): Some costs for vector operations, to allow combine
1067 (enum bfin_builtins): Add a number of fractional and vector builtins.
1068 (bfin_init_builtins): Likewise.
1069 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
1070 (safe_vector_operand, bfin_expand_binop_builtin,
1071 bfin_expand_unop_builtin): New functions.
1072 (bfin_expand_builtin): Handle the new builtins.
1073 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1076 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
1079 * Makefile.in (OBJS-common): Add see.o.
1080 (see.o): Add dependencies.
1081 * common.opt (fsee): New flag for the see optimization was added.
1082 * opts.c (flag_see): Initialized.
1083 * passes.c (init_optimization_passes, pass_see): New pass.
1084 * rtl.h (see_main): Declaration as extern.
1085 * timevar.def (TV_SEE): New.
1086 * tree-pass.h (pass_see): Declaration as extern.
1087 * invoke.texi (-fsee): Document.
1088 * recog.c (validate_simplify_insn): New function.
1089 * recog.h (validate_simplify_insn): Declaration as extern.
1090 * df-problems.c (df_chain_dump): Check for NULL.
1092 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
1093 Daniel Berlin <dberlin@dberlin.org>
1095 * cfgrtl.c (insert_insn_bb_end_new): New function.
1096 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
1098 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
1100 * df.h (struct web_entry): Moved from web.c.
1101 (union_defs): Declaration as extern.
1102 (unionfind_root): Likewise.
1103 (unionfind_union): Likewise.
1104 * web.c (struct web_entry): Moved to df.h.
1105 (unionfind_root): Remove static declaration.
1106 (unionfind_union): Likewise.
1107 (union_defs): Likewise and generalize to use callback function.
1108 (web_main): Update arguments for union_defs function call.
1110 2006-05-04 Richard Guenther <rguenther@suse.de>
1112 PR tree-optimization/26447
1113 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
1114 produce SSA_NAME copies before the store stmt to avoid
1115 breaking exception handling.
1117 2006-05-04 Jakub Jelinek <jakub@redhat.com>
1120 * gimplify.c (omp_is_private): If var is shared in some outer context,
1121 return false instead of true. Stop searching on parallel context
1124 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
1127 * coverage.c: Use get_gcov_unsigned_t() instead of
1128 unsigned_type_node all over.
1130 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
1132 PR tree-optimization/27381
1133 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
1134 maintain the same immediate_use links.
1135 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
1136 node rather than segfaulting.
1138 2006-05-03 Jakub Jelinek <jakub@redhat.com>
1141 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
1142 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
1143 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
1145 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
1147 Fix PR tree-optimization/26626
1148 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
1150 * tree-ssa-operands.c (access_can_touch_variable): Allow
1151 typecasting through union pointers.
1153 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1156 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
1157 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
1158 to find if var will be a global variable even in the nested context.
1159 (omp_copy_decl): Only check for global variable at the end, it might
1160 be overridden in outer contexts.
1161 (scan_sharing_clauses): For global variables don't create a field.
1162 (lower_rec_input_clauses): Do nothing for global shared variables.
1163 Emit a barrier at the end of ILIST if there were any decls in both
1164 firstprivate and lastprivate clauses.
1165 (lower_send_clauses): Do nothing for global variables except for
1168 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
1170 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
1171 of the correct signedness is returned.
1173 2006-05-02 Jeff Law <law@redhat.com>
1175 PR tree-optimization/27364
1176 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
1177 multiply expressions.
1179 2006-05-02 Tom Tromey <tromey@redhat.com>
1181 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
1183 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
1186 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
1187 -mthumb -fPIC are used.
1189 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
1190 Joshua Kinard <kumba@gentoo.org>
1193 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
1194 with 64-bit pointers.
1196 2006-05-02 Paul Brook <paul@codesourcery.com>
1198 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
1200 (create_fix_barrier): Check that a suitable barrier location is
1202 (arm_reorg): Include ftmp->address in allowable range of addresses.
1204 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
1207 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
1210 2006-05-02 Jakub Jelinek <jakub@redhat.com>
1213 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
1214 around RESULT_DECL for result passed by reference.
1215 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
1216 * omp-low.c (use_pointer_for_field): Don't look at
1217 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
1218 (scan_omp_1): Call remap_decl on RESULT_DECLs.
1219 (lower_rec_input_clauses): Don't allocate VLA memory for the second
1220 time or var for passing by reference for
1221 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
1222 TREE_ADDRESSABLE variables when passing by reference.
1224 * omp-low.c (dump_omp_region): Fix output formatting.
1227 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
1228 (expand_omp_parallel): Likewise.
1229 * tree-cfg.c (move_sese_region_to_fn): Likewise.
1232 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
1233 on statement list containing also constructors and destructors.
1234 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
1237 * except.c (duplicate_eh_regions): Fix clearing of
1238 cfun->eh->region_array entries.
1240 2006-05-01 DJ Delorie <dj@redhat.com>
1242 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
1244 (gcc_cv_objdump): Likewise.
1245 * configure: Regenerated.
1247 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
1250 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
1251 templates for case 3 and 4.
1253 2006-05-01 DJ Delorie <dj@redhat.com>
1255 * vec.c: Include bconfig.h when appropriate.
1256 * Makefile.in (build/vec.o): Adjust dependencies.
1257 * mkconfig.sh: Make sure config.h isn't used for build machine
1260 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1262 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
1264 (mark_phi_for_rewrite): New function.
1265 (insert_phi_nodes_for, mark_use_interesting): Call
1266 mark_phi_for_rewrite.
1267 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
1268 (update_ssa): Initialize and free phis_to_rewrite.
1270 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1272 PR rtl-optimization/27291
1273 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
1274 folded to a constant.
1276 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1278 PR tree-optimization/27283
1279 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
1280 not whole # of iteration descriptions.
1281 (niter_for_exit): Return just # of iterations. Fail if # of iterations
1282 uses abnormal ssa name.
1283 (niter_for_single_dom_exit): Ditto.
1284 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
1285 return just the number of iterations.
1287 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1289 PR tree-optimization/27144
1290 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
1291 (record_estimate): Only record constant upper bound.
1292 (infer_loop_bounds_from_undefined): Call
1293 compute_estimated_nb_iterations just once.
1294 (proved_non_wrapping_p): Renamed to ...
1295 (n_of_executions_at_most): ... this. Expect bound to be a constant.
1296 (convert_step_widening, scev_probably_wraps_p): Call
1297 n_of_executions_at_most instead of proved_non_wrapping_p.
1298 (substitute_in_loop_info): Do not replace values in bounds.
1299 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
1302 2006-05-01 Richard Henderson <rth@redhat.com>
1305 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
1306 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
1309 2006-05-01 Roger Sayle <roger@eyesopen.com>
1311 * c-typeck.c (parser_build_binary_op): Don't call the function
1312 unsigned_conversion_warning to spot operand/result type overflow.
1313 (build_binary_op): Instead, call convert_and_check instead of
1314 convert to report the problem when the operands are promoted.
1315 * c-common.c (unsigned_conversion_warning): Make static.
1316 * c-common.h (unsigned_conversion_warning): Delete prototype.
1318 2006-05-01 Richard Guenther <rguenther@suse.de>
1320 PR tree-optimization/26726
1321 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
1323 (find_interesting_uses_address): ... we work around here
1324 by folding INDIRECT_REFs in the substituted base.
1326 2006-05-01 Diego Novillo <dnovillo@redhat.com>
1328 * omp-low.c (dump_omp_region): Add newlines.
1330 2006-04-30 Roger Sayle <roger@eyesopen.com>
1332 * common.opt (Woverflow): New command line option.
1333 * c-common.c (constant_expression_warning): Check warn_overflow.
1334 (overflow_waring): Pass OPT_Woverflow to warning.
1335 (unsigned_conversion_warning): Likewise.
1336 (convert_and_check): Likewise.
1337 * doc/invoke.texi: Document new command line option.
1339 2006-04-30 David Edelsohn <edelsohn@gnu.org>
1341 * config/rs6000/rs6000.c (rs6000_override_options): Enable
1342 TARGET_NO_FP_IN_TOC for section anchors.
1343 (optimization_options): Enable section anchors for all
1344 non-"Objective" languages.
1346 2006-04-28 Eric Christopher <echristo@apple.com>
1348 * config/darwin-c.c (darwin_ms_struct): Move this
1349 (darwin_set_default_type_attributes): and this...
1350 * config/darwin.c: ... here.
1351 * config/darwin.h (darwin_ms_struct): Declare.
1353 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
1355 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
1357 2006-04-28 Roger Sayle <roger@eyesopen.com>
1360 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
1361 (push_array_bounds): Delete prototype. Change BOUNDS argument to
1362 an unsigned HOST_WIDE_INT.
1363 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
1365 (really_start_incremental_init): No need to call convert because
1366 bitsize_zero_node is already of type bitsizetype.
1367 (push_init_level): Extract the value of constructor_index as an
1368 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
1369 (process_init_element): Likewise.
1371 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
1373 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
1374 value before passing to make_relative_prefix.
1376 2006-04-28 Alan Modra <amodra@bigpond.net.au>
1379 * builtins.c (expand_builtin_memset): Expand val in original mode.
1381 2006-04-27 Eric Christopher <echristo@apple.com>
1383 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
1384 with #ifndef/#endif.
1385 * config/darwin-c.c (darwin_ms_struct): New.
1386 (darwin_pragma_ms_struct): Ditto.
1387 (darwin_set_default_type_attributes): Ditto.
1388 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
1389 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
1390 Register ms_struct pragma.
1391 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
1392 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
1393 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
1394 darwin_set_default_type_attributes if TARGET_MACHO.
1396 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
1398 PR tree-optimization/26854
1399 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
1400 * doc/tree-ssa.texi: Update immuse iterator documentation.
1401 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
1402 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
1403 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
1404 first_safe_imm_use, next_safe_imm_use): Remove.
1405 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
1406 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
1407 (move_use_after_head): New. Helper function to sort immuses in a stmt.
1408 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
1409 (first_imm_use_stmt): New. Get first stmt in an immuse list.
1410 (next_imm_use_stmt): New. Get next stmt in an immuse list.
1411 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
1412 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
1413 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
1414 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
1415 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
1416 (perfect_nestify): Use new iterator.
1417 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
1419 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
1420 (next_imm_name): New field in struct immediate_use_iterator_d.
1421 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
1422 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
1423 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
1424 * tree-cfg.c (replace_uses_by): Use new iterator.
1425 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
1426 * tree-ssa-operands.c (correct_use_link): Remove.
1427 (finalize_ssa_use_ops): No longer call correct_use_link.
1429 2006-04-27 Stuart Hastings <stuart@apple.com>
1431 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
1432 * config/t-darwin (crt3.o): Use it.
1433 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
1434 'pmode', use Pmode instead of SImode for SYMBOL_REF.
1435 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
1436 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
1437 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
1440 2006-04-27 Roger Sayle <roger@eyesopen.com>
1442 * expmed.c (store_fixed_bit_field): If we're not optimizing for
1443 size, force the intermediate into a new pseudo rather instead of
1444 performing both a bitwise AND and a bitwise IOR in memory.
1446 2006-04-27 Richard Guenther <rguenther@suse.de>
1448 PR rtl-optimization/26685
1449 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
1450 this one "max-flow-memory-locations".
1452 2006-04-27 Richard Guenther <rguenther@suse.de>
1454 PR tree-optimization/25148
1455 * tree-vrp.c (compare_values): Remove code dealing with
1456 comparisons against type min/max value. Honour overflow
1457 and negative constants in code dealing with comparisons
1458 of plus and minus expressions.
1459 (value_inside_range): Use fold_binary with LE_EXPR and
1460 GE_EXPR rather than compare_values.
1462 2006-04-27 Dirk Mueller <dmueller@suse.de>
1464 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
1467 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
1469 * basic-block.h (safe_insert_insn_on_edge): Removed.
1470 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
1472 2006-04-26 David Edelsohn <edelsohn@gnu.org>
1473 Paolo Bonzini <bonzini@gnu.org>
1476 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
1477 (simplify_and_const_int): Same.
1479 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
1481 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
1483 2006-04-26 Jakub Jelinek <jakub@redhat.com>
1486 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
1487 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
1488 cgraph_global_info_ready.
1491 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
1494 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
1495 either decl or init is error_mark_node.
1498 * tree-flow.h (struct omp_region): Add sched_kind.
1499 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
1500 instead of extracting omp for data.
1501 (expand_omp_for): Save extracted sched_kind.
1503 2006-04-25 Roger Sayle <roger@eyesopen.com>
1505 * expmed.c (store_bit_field): Also check whether the bitsize is
1506 valid for the machine's "insv" instruction before moving the
1507 target into a pseudo for use with the insv.
1508 * config/i386/predicates.md (const8_operand): New predicate.
1509 * config/i386/i386.md (extv, extzv, insv): Use the new
1510 const8_operand predicate where appropriate.
1512 2006-04-25 DJ Delorie <dj@redhat.com>
1514 * doc/install.texi (Specific): Clarify that this is not a list of
1515 supported hosts or targets.
1517 2006-04-25 Richard Sandiford <richard@codesourcery.com>
1519 PR rtl-optimization/26725
1520 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
1521 block's BB_DIRTY flag.
1523 2006-04-25 Geoffrey Keating <geoffk@apple.com>
1525 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
1528 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
1529 to print an integer.
1531 2006-04-25 David Edelsohn <edelsohn@gnu.org>
1533 * varasm.c (align_variable): New function.
1534 (get_block_for_decl): Apply align_variable to DECL before
1535 calculating section information.
1536 (assemble_variable): Split out alignment computation.
1538 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
1540 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
1543 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
1545 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
1546 MODE_PARTIAL_INT mode.
1547 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
1548 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
1550 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
1551 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
1553 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
1555 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
1557 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
1558 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
1559 MACFLAG_IH): Likewise.
1560 (movstricthi_1): Renamed from "*movstricthi".
1561 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
1562 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
1563 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
1564 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
1565 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
1566 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
1567 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
1568 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
1569 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
1570 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
1571 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
1572 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
1573 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
1574 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
1575 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
1577 * doc/rtl.texi (ss_ashift): Improve wording.
1579 2006-04-24 Geoffrey Keating <geoffk@apple.com>
1581 * dwarf2out.c (verify_marks_clear): New.
1582 (prune_unused_types): Call verify_marks_clear initially, not
1585 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
1587 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
1588 * doc/rtl.texi: Document them.
1589 * simplify-rtx.c (simplify_unary_operation,
1590 simplify_binary_operation_1): Don't abort when we see them.
1592 2006-04-24 Mark Mitchell <mark@codesourcery.com>
1595 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1596 * configure.ac: Completely disregard languages that are not
1598 * configure: Regenerated.
1600 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1601 Richard Guenther <rguenther@suse.de>
1603 PR tree-optimization/27236
1604 * tree-inline.c (copy_body_r): Make sure to copy
1605 TREE_THIS_VOLATILE flag.
1607 2006-04-24 Richard Guenther <rguenther@suse.de>
1610 * tree-complex.c (update_parameter_components): Don't handle
1611 unused parameters which have no default def.
1613 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
1614 Richard Guenther <rguenther@suse.de>
1616 PR tree-optimization/27218
1617 * tree-inline.c (expand_call_inline): Strip useless type
1618 conversions for the return slot address.
1620 2006-04-24 Richard Guenther <rguenther@suse.de>
1622 * cfgloop.h (struct loops): Remove unused field array. Reorder
1624 (LOOP_PREFETCH): Remove.
1626 2006-04-24 Richard Guenther <rguenther@suse.de>
1628 PR tree-optimization/22525
1629 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
1630 variable, adjust types of generated expressions.
1632 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
1634 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
1635 (tree-vect-patterns.o): Likewise.
1637 (cselib.o): Likewise.
1638 (loop-doloop.o): Likewise.
1639 (regclass.o): Likewise.
1640 (reload1.o): Likewise.
1641 (explow.o): Replace target.h with $(TARGET_H).
1642 (ipa-prop.o): Likewise.
1643 (ipa-cp.o): Likewise.
1644 (ipa-inline.o): Likewise.
1645 (reorg.o): Likewise.
1646 (reg-stack.o): Likewise.
1648 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1650 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
1652 2006-04-23 Mark Mitchell <mark@codesourcery.com>
1654 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
1656 * configure.ac: Completely disregard languages that are not
1658 * configure: Regenerated.
1661 * c-common.h (c_build_bitfield_integer_type): Declare.
1662 * c-decl.c (c_build_bitfield_integer_type): Move to ...
1663 * c-common.c (c_build_bitfield_integer_type): ... here.
1665 2006-04-23 Roger Sayle <roger@eyesopen.com>
1668 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
1669 a SImode SUBREG of a floating point register after no_new_pseudos.
1671 2006-04-23 Roger Sayle <roger@eyesopen.com>
1673 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
1674 identify potentially eliminable registers to additionally catch
1675 VIRTUAL_INCOMING_ARGS_REGNUM.
1676 (addsi3): Update the conditions on when to use addsi_small_int.
1678 2006-04-23 Roger Sayle <roger@eyesopen.com>
1681 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
1682 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
1683 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
1685 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
1687 * fold-const.c (range_predecessor): Use operand_equal_p
1688 as the predicate for equality.
1689 (range_successor): Likewise.
1691 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1694 * config/soft-fp/op-common.h: Fix a typo.
1696 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
1699 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
1700 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
1702 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
1704 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
1706 * doc/tm.texi: Fix a typo.
1708 2006-04-21 Geoffrey Keating <geoffk@apple.com>
1710 * dwarf2out.c (struct die_struct): Document that die_sib makes
1711 a circular linked list.
1712 (FOR_EACH_CHILD): New.
1713 (reverse_die_lists): Delete.
1714 (reverse_all_dies): Delete.
1715 (add_dwarf_attr): Correct documentation.
1716 (remove_child_with_prev): New.
1717 (remove_child_TAG): Update for change to die_struct, use
1718 remove_child_with_prev.
1719 (add_child_die): Update for change to die_struct.
1720 (splice_child_die): Use remove_child_with_prev and add_child_die.
1721 (print_die): Use FOR_EACH_CHILD.
1722 (die_checksum): Likewise.
1723 (assign_symbol_names): Likewise.
1724 (output_location_lists): Likewise.
1725 (build_abbrev_table): Likewise.
1726 (calc_die_sizes): Likewise.
1727 (mark_dies): Likewise.
1728 (unmark_dies): Likewise.
1729 (unmark_all_dies): Likewise.
1730 (output_die): Likewise.
1731 (prune_unused_types_mark): Likewise.
1732 (prune_unused_types_walk): Likewise.
1733 (same_die_p): Update for change to die_struct.
1734 (break_out_includes): Likewise.
1735 (prune_unused_types_prune): Likewise.
1736 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
1737 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
1739 (dwarf2out_finish): Don't call reverse_all_dies.
1741 2006-04-21 Eric Christopher <echristo@apple.com>
1743 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
1744 in comments and function names.
1746 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1749 * c-typeck.c (digest_init): Robustify.
1751 * c-typeck.c (pop_init_level): Simplify.
1753 2006-04-21 Steve Ellcey <sje@cup.hp.com>
1755 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
1757 2006-04-21 Paul Brook <paul@codesourcery.com>
1759 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
1760 hardware floating point.
1762 2006-04-21 David Edelsohn <edelsohn@gnu.org>
1764 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
1767 2006-04-21 Nick Clifton <nickc@redhat.com>
1769 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
1772 2006-04-21 Alan Modra <amodra@bigpond.net.au>
1775 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
1776 C++ lang type in traceback table for Objective-C++.
1778 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
1780 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
1782 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
1784 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1787 * tree-mudflap.c (mudflap_finish_file): Skip function when there
1788 were errors. Remove check for erroneous objects.
1790 2006-04-20 Jeff Law <law@redhat.com>
1792 PR tree-optimization/26854
1793 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
1794 checking for zero or one use.
1795 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
1796 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
1797 * tree-ssa-reassoc.c (negate_value): Similarly.
1798 (reassociate_bb): Similarly.
1800 2006-04-20 Jakub Jelinek <jakub@redhat.com>
1802 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
1803 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
1804 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
1806 2006-04-20 Alan Modra <amodra@bigpond.net.au>
1808 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
1809 fp regs if the last fp arg doesn't fit in regs.
1811 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
1814 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
1815 that the last insn has the REG_INC note.
1817 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
1818 Nathan Sidwell <nathan@codesourcery.com>
1821 * stor-layout.c (update_alignment_for_field): Do not align
1823 (place_union_field): Place union field at the start of the union.
1824 (place_field): Move ERROR_MARK check later, and use the current
1825 allocation position to maintain monotonicity.
1827 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
1829 * dominance.c: Include timevar.h.
1830 (calculate_dominance_info): Use TV_DOMINANCE.
1831 * timevar.def (TV_DOMINANCE): New timevar.
1832 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
1834 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1836 PR rtl-optimization/14261
1837 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
1838 move would be an INSV insn.
1839 (noce_process_if_block): Don't optimize if the destination is a
1840 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
1842 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
1844 * config/s390/s390.md: Add comments with the instructions emitted
1845 by an insn pattern if macros are used.
1847 2006-04-19 Alan Modra <amodra@bigpond.net.au>
1849 PR rtl-optimization/26026
1850 * fold-const.c (fold_binary): Optimize div and mod where the divisor
1851 is a known power of two shifted left a variable amount.
1853 2006-04-18 Geoffrey Keating <geoffk@apple.com>
1855 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
1856 to hash table twice when the debug_str section has SECTION_MERGE.
1858 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
1860 * config/soft-fp: New directory. From glibc.
1861 * config/soft-fp/t-softfp: New.
1862 * config/soft-fp/README: New.
1863 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
1864 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
1865 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
1866 (LIBGCC_DEPS): Add $(SFP_MACHINE).
1867 * config.gcc: Use rs6000/t-fprules-fpbit or
1868 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
1870 * config/rs6000/sfp-machine.h: New. Based on glibc.
1871 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
1873 * config/rs6000/t-fprules: Remove fp-bit rules.
1874 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
1875 * config/rs6000/t-linux64: Likewise. Remove duplicates from
1876 LIB2FUNCS_EXTRA. Remove fp-bit rules.
1877 (softfp_wrap_start, softfp_wrap_end): New.
1879 2006-04-18 DJ Delorie <dj@redhat.com>
1881 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
1883 2006-04-18 Devang Patel <dpatel@apple.com>
1885 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
1887 2006-04-18 Nick Clifton <nickc@redhat.com>
1889 * config/sh/t-symbian: Add rule to build sh-c.o
1890 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
1891 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
1892 (sh_symbian_encode_section_info): Likewise.
1894 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
1896 * builtins.c (expand_builtin_strcmp): Cover label definition of
1897 do_libcall with HAVE_cmpstrnsi.
1899 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
1901 * function.c (temp_slots_at_level, max_slot_level): Use VEC
1903 * function.h (temp_slot_p): New.
1904 (function): Change the type of x_used_temp_slots to
1905 VEC(temp_slot_p,gc) *.
1907 2006-04-18 Nick Clifton <nickc@redhat.com>
1909 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
1910 flag_strength_reduce.
1912 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
1914 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1918 Partial revert of revision 112637
1919 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1920 Dale Johannesen <dalej@apple.com>
1923 * regclass.c (struct reg_pref): Update documentation.
1924 (regclass): Set prefclass to NO_REGS if memory is the best option.
1925 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1927 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
1929 PR tree-optimization/26821
1930 * tree-ssa-math-opts.c (get_constant_one): New.
1931 (insert_reciprocals): Use it.
1933 2006-04-17 Geoffrey Keating <geoffk@apple.com>
1935 * dwarf2out.c (free_AT): Delete.
1936 (remove_AT): Update string ref counts.
1937 (remove_child_TAG): Don't call free_die.
1939 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
1940 or DW_TAG_GNU_EINCL.
1941 (prune_unused_types_walk_attribs): Reset string refcounts.
1942 (prune_unused_types_update_strings): New.
1943 (prune_unused_types_prune): Don't make unnecessary stores. Don't
1944 call free_die. Do call prune_unused_types_update_strings.
1945 (prune_unused_types): Empty debug_str_hash.
1947 2006-04-17 Roger Sayle <roger@eyesopen.com>
1949 * expr.c (expand_assignment): Optimize away no-op moves where the
1950 source and destination are equal and have no side-effects.
1952 2006-04-17 Richard Guenther <rguenther@suse.de>
1955 * reload.c (push_reload): Guard calls to get_secondary_mem
1958 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
1960 * alias.c (reg_base_value, old_reg_base_value): Change the
1961 type to VEC(rtx,gc) *.
1962 (REG_BASE_VALUE, find_base_value, record_set,
1963 init_alias_analysis): Use VEC instead of VARRAY.
1965 * alias.c (alias_sets): Change the type to
1966 VEC(alias_set_entry,gc) *.
1967 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
1968 VEC instead of VARRAY.
1969 (last_alias_set): Remove.
1971 * cgraph.h (cgraph_edge_p): New.
1972 Update the prototype of cgraph_function_versioning.
1973 * cgraphunit.c (cgraph_copy_node_for_versioning,
1974 cgraph_function_versioning): Use VEC instead of VARRAY.
1975 * ipa-cp.c (ipcp_insert_stage): Likewise.
1977 2006-04-16 Roger Sayle <roger@eyesopen.com>
1980 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
1981 "A op B" or "A op C", we may need to convert A to the type of B and C.
1983 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
1985 * target.h (struct gcc_target): Add mode_rep_extended.
1986 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
1987 (init_num_sign_bit_copies_in_rep): Initialize it using
1989 (truncate_to_mode): Use it.
1990 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
1991 * targhooks.h (default_mode_rep_extended): Declare it.
1992 * targhooks.c (default_mode_rep_extended): Define it.
1993 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
1994 default_mode_rep_extended.
1995 (TARGET_INITIALIZER): Include it.
1996 * doc/tm.texi (Misc): Document it.
1997 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
1998 (mips_truncated_to_mode): New function.
2000 2006-04-16 Roger Sayle <roger@eyesopen.com>
2003 * expr.c (compress_float_constant): Copy the narrow constant into
2004 a new pseudo before extending it to its final width.
2006 2006-04-16 Roger Sayle <roger@eyesopen.com>
2007 Andrew Pinski <pinskia@gcc.gnu.org>
2008 Dale Johannesen <dalej@apple.com>
2011 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
2012 special case code to implement V8HImode and V16QImode with SSE2.
2014 2006-04-15 Roger Sayle <roger@eyesopen.com>
2016 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
2017 trees are constructed with a suitable tree type.
2019 2006-04-15 Roger Sayle <roger@eyesopen.com>
2021 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
2022 (integer_onep): Likewise.
2023 (integer_all_onesp): Likewise.
2024 (integer_pow2p): Likewise.
2025 (integer_nonzerop): Likewise.
2026 (real_zerop): Likewise.
2027 (real_onep): Likewise.
2028 (real_twop): Likewise.
2029 (real_minus_onep): Likewise.
2030 (int_size_in_bytes): Likewise.
2031 (host_integerp): Likewise.
2033 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
2035 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
2036 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
2037 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
2039 * tree-ssa-structalias.h (alias_info): Remove num_references.
2041 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2043 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
2044 (output_bvb patterns): Likewise.
2045 * pa.c (output_bb): Use 'bb' insn for long branch case.
2046 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
2047 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
2048 1. Correct length operand for alternatives 1 and 2.
2049 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
2050 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
2052 2006-04-14 Roger Sayle <roger@eyesopen.com>
2054 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
2055 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
2056 were accidentally reverted by r112959.
2058 2006-04-15 Jakub Jelinek <jakub@redhat.com>
2061 * except.h (eh_region_outermost): New prototype.
2062 * except.c (eh_region_outermost): New function.
2063 * tree-cfg.c (find_outermost_region_in_block): Use it.
2065 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2067 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
2069 * reload1.c (reg_equiv_memory_loc_varray): Rename to
2070 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
2071 (init_reload, reload): Use VEC instead of VARRAY.
2072 * reload.h: Update the prototype for
2073 reg_equiv_memory_loc_varray.
2075 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
2076 Eric Botcazou <ebotcazou@libertysurf.fr>
2078 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
2081 2005-04-13 Uros Bizjak <uros@kss-loka.si>
2084 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
2085 to expand fallback builtin function call.
2087 2006-04-14 Alan Modra <amodra@bigpond.net.au>
2090 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
2091 and emit libcall here in case the builtin fails.
2092 (expand_builtin_strcmp): Always emit the libcall here on failure.
2094 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
2096 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
2097 * flow.c (reg_n_info): Change the type to
2098 VEC(reg_info_p,heap) *.
2099 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
2101 * regs.h (reg_info_p): New.
2102 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
2103 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
2104 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
2107 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
2109 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
2111 * params.h (MAX_SCHED_READY_INSNS): New macro.
2112 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
2113 past MAX_SCHED_READY_INSNS during the first scheduling pass.
2114 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
2115 the ready list for 1 cycle during the first scheduling pass.
2116 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
2118 2006-04-13 Richard Henderson <rth@redhat.com>
2121 * gimple-low.c (lower_omp_directive): Remove dead code.
2122 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
2123 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
2124 * omp-low.c (struct omp_region): Move to tree-flow.h.
2125 (root_omp_region): Export.
2126 (omp_regions, lookup_omp_region): Remove.
2127 (determine_parallel_type): Update for struct omp_region changes.
2128 (dump_omp_region): Dump regions with block numbers.
2129 (new_omp_region): Take type and block instead of stmt; malloc
2131 (free_omp_region_1, free_omp_regions): New.
2132 (expand_parallel_call): Take entry_stmt as argument; update for
2133 changes to omp_region.
2134 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
2135 (remove_exit_barriers): New.
2136 (expand_omp_parallel): Update for struct omp_region changes.
2137 (expand_omp_synch): Likewise.
2138 (expand_omp): Likewise.
2139 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
2140 (expand_omp_for_static_chunk): Likewise.
2141 (expand_omp_for): Likewise.
2142 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
2143 (expand_omp_sections): Similarly, with GOMP_sections_end.
2144 (expand_omp_single): New.
2145 (build_omp_regions_1): Update for OMP_CONTINUE.
2146 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
2147 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
2148 OMP_SECTIONS_SECTIONS.
2149 (lower_omp_single_simple): Don't emit barrier here.
2150 (lower_omp_single_copy): Likewise.
2151 (lower_omp_single): Fix bindings, and lower to straightline now.
2152 (lower_omp_master, lower_omp_ordered): Likewise.
2153 (lower_omp_critical): Likewise.
2154 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
2155 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
2156 omp edges, free it afterward.
2157 (make_omp_sections_edges): Remove.
2158 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
2159 (move_stmt_r): Handle OMP_CONTINUE.
2160 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
2161 statement pointers to basic blocks. Add type member.
2162 (root_omp_region, new_omp_region, free_omp_regions): Declare.
2163 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
2164 * tree-inline.c (estimate_num_insns_1): Likewise.
2165 * tree-pretty-print.c (dump_generic_node): Likewise.
2166 * tree-ssa-operands.c (get_expr_operands): Likewise.
2167 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
2168 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
2169 (OMP_CONTINUE): New.
2170 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
2171 (OMP_SECTIONS_SECTIONS): Remove.
2172 (OMP_SECTION_LAST): New.
2173 (OMP_RETURN_NOWAIT): New.
2175 2006-04-13 Roger Sayle <roger@eyesopen.com>
2177 * fold-const.c (native_encode_vector, native_interpret_real):
2178 Correct obvious mistakes in the previous check-in.
2180 2006-04-13 Roger Sayle <roger@eyesopen.com>
2182 * fold-const.c (native_encode_expr): New function to encode
2183 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
2184 or VECTOR_CST into a specified buffer.
2185 (native_encode_int): New function.
2186 (native_encode_real): New function.
2187 (native_encode_complex): New function.
2188 (native_encode_vector): New function.
2189 (native_interpret_expr): Inverse of native_encode_expr to convert
2190 a target representation into an INTEGER_CST, REAL_CST etc...
2191 (native_interpret_int): New function.
2192 (native_interpret_real): New function.
2193 (native_interpret_complex): New function.
2194 (native_interpret_vector): New function.
2195 (fold_view_convert_expr): New function to constant fold/evaluate
2196 a VIEW_CONVERT_EXPR of a suitable constant expression.
2197 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
2198 Change call of build1 to fold_build1 when constructing a
2201 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
2202 Ulrich Weigand <uweigand@de.ibm.com>
2205 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
2208 2006-04-13 Alan Modra <amodra@bigpond.net.au>
2211 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
2212 optimize to lo_sum for DFmode if !TARGET_FPRS.
2214 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2216 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
2217 delete_alias_info, compute_flow_sensitive_aliasing,
2218 group_aliases): Use VEC instead of VARRAY.
2219 * tree-ssa-structalias.c (update_alias_info): Likewise.
2220 * tree-ssa-structalias.h (alias_info): Change the type of
2221 processed_ptrs to VEC(tree,heap) *.
2223 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
2226 * config/sh/lib1funcs.h: New file, broken out of:
2227 * config/sh/lib1funcs.asm.
2228 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
2230 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
2231 * config/sh/lib1funcs-Os-4-200.asm: New file.
2232 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
2233 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
2234 (EXTRA_MULTILIB_PARTS): Include it.
2235 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
2236 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
2237 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
2238 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
2241 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
2243 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
2244 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
2245 tpa_compact, root_var_init, type_var_init): Use VEC instead of
2247 * tree-ssa-live.h: Include vecprim.h.
2248 (tree_partition_associator_d): Change the type of
2249 first_partition to VEC(int,heap) *.
2250 (tpa_first_partition): Use VEC instead of VARRAY.
2252 * Makefile.in (GTFILES): Move functions.h after tree.h.
2253 * function.c (reset_block_changes, record_block_change,
2254 check_block_change, free_block_changes): Use VEC instead of
2256 * function.h (function): Change the type of
2257 ib_boundaries_block to VEC(tree,gc) *.
2258 * tree-inline.c (copy_cfg_body): Initialize
2259 ib_boundaries_block to NULL instead of (varray_type) 0.
2261 2006-04-12 Roger Sayle <roger@eyesopen.com>
2263 * expr.c (emit_group_store): Correct operand order in call to
2264 subreg_lowpart_offset. Always create paradoxical SUBREGs with
2265 a SUBREG_BYTE of zero.
2267 2006-04-12 Richard Guenther <rguenther@suse.de>
2269 * profile.c (compute_branch_probabilities): Remove code
2270 encapsulated in !ir_type (), which are remanents of the
2271 removed RTL profiling code.
2272 * rtl-profile.c: Remove.
2274 2006-04-12 Alan Modra <amodra@bigpond.net.au>
2276 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
2277 magic NULL_RTX comment.
2278 (function_arg): Store entire fp arg to mem if any part should go
2280 (rs6000_arg_partial_bytes): Adjust for above change.
2282 2006-04-11 Roger Sayle <roger@eyesopen.com>
2284 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
2285 if it hasn't been initialized by dwarf2out_init.
2287 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
2289 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
2290 symbolic constants in branch patterns.
2292 2006-04-11 Roger Sayle <roger@eyesopen.com>
2294 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
2296 2006-04-11 Richard Sandiford <richard@codesourcery.com>
2298 PR rtl-optimization/27073
2299 * gcse.c (try_replace_reg): Revert last change. Continue to search
2300 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
2303 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2305 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
2306 aggregate types other than record and union types.
2307 (function_arg): Likewise.
2308 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
2310 (function_value): In 64-bit mode, return objects that require it
2313 2006-04-11 Roger Sayle <roger@eyesopen.com>
2315 * dwarf2out.c (premark_used_types): Remove problematic prototype.
2317 2006-04-11 Jakub Jelinek <jakub@redhat.com>
2319 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
2321 2006-04-03 Jeff Law <law@redhat.com>
2324 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
2325 alias information too.
2327 2006-04-10 Mike Frysinger <vapier@gentoo.org>
2329 * Makefile.in (gcc-cross): Add $(exeext) to target name.
2331 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
2334 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
2335 (premark_used_types_helper): New.
2336 (premark_used_types): New.
2337 (gen_subprogram_die): Call premark_used_types.
2338 (prune_unused_types_walk): Do not prune perennial dies.
2339 * function.c (used_types_insert): New.
2340 * function.h (struct function): Add used_types_hash field.
2341 (used_types_insert): Add prototype.
2342 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
2343 * c-parser.c (c_parser_cast_expression): Save casted types in used
2346 2006-04-11 Mark Mitchell <mark@codesourcery.com>
2349 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
2350 rs6000_explicit_options.float_gprs.
2352 2006-04-10 Roger Sayle <roger@eyesopen.com>
2354 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
2355 from ix86_expand_vector_init_low_nonzero. Take an additional
2356 one_var argument indicating which element is non-zero. Support
2357 one_var != 0 for V4SFmode and V4SImode by permuting the result.
2358 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
2359 with one_var instead of ix86_expand_vector_init_low_nonzero.
2361 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
2363 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
2364 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
2365 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
2366 build/genextract.o): Depend on vecprim.h.
2367 * cfglayout.c, df-problems.c, function.c, genextract.c,
2368 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
2369 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
2373 2006-04-10 Geoffrey Keating <geoffk@apple.com>
2375 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
2376 Declare VECs of this type.
2377 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
2378 (remove_children): Delete.
2379 (add_dwarf_attr): Use VEC routines.
2380 (add_AT_flag): Update for changes to add_dwarf_attr.
2381 (add_AT_int): Likewise.
2382 (add_AT_unsigned): Likewise.
2383 (add_AT_long_long): Likewise.
2384 (add_AT_vec): Likewise.
2385 (add_AT_string): Likewise.
2386 (add_AT_die_ref): Likewise.
2387 (add_AT_fde_ref): Likewise.
2388 (add_AT_loc): Likewise.
2389 (add_AT_loc_list): Likewise.
2390 (add_AT_addr): Likewise.
2391 (add_AT_lbl_id): Likewise.
2392 (add_AT_lineptr): Likewise.
2393 (add_AT_macptr): Likewise.
2394 (add_AT_offset): Likewise.
2395 (add_AT_range_list): Likewise.
2396 (get_AT): Use VEC_iterate.
2397 (remove_AT): Use VEC_ordered_remove.
2398 (free_die): Fold remove_children into here; have it use VEC_iterate.
2399 (print_die): Use VEC_iterate on attrs.
2400 (reverse_die_lists): Don't reverse attr lists.
2401 (die_checksum): Use VEC_iterate on attrs.
2402 (same_die_p): Likewise.
2403 (output_location_lists): Likewise.
2404 (build_abbrev_table): Likewise.
2405 (size_of_die): Likewise.
2406 (unmark_all_dies): Likewise.
2407 (output_abbrev_section): Likewise.
2408 (output_die): Likewise.
2409 (prune_unused_types_walk_attribs): Likewise.
2411 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2413 * doc/install.texi (*-*-solaris2*): Point to the configure page.
2415 2006-04-10 Jakub Jelinek <jakub@redhat.com>
2418 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
2420 2006-04-09 Roger Sayle <roger@eyesopen.com>
2422 * expr.c (store_constructor): Don't bother clearing target if
2423 we're about to assign a vector to it using vec_init_optab.
2425 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
2427 * tree-ssa-alias.c (lhs_may_store_to): New function.
2428 (recalculate_used_alone): Handle LHS of calls.
2430 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2434 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
2435 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
2436 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
2437 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
2438 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
2439 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
2440 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
2441 stubs. Add ".align 8" directives before all ".dword" directives.
2442 (GTHREAD_USE_WEAK): Revise comment.
2443 (TARGET_ATTRIBUTE_WEAK): Define.
2444 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
2445 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
2446 * stublib.c: New file.
2451 * pa.md (cbranch patterns): Revise arguments used in calls to
2452 output_cbranch, output_bb and output_bvd. Add long branch length
2454 (fbranch patterns): Handle long branches.
2455 (jump): Revise length check. Revise arguments for output_lbranch call.
2456 Add long branch length attributes.
2457 (decrement_and_branch_until_zero): Add long branch length attributes.
2458 (output_movb, output_parallel_addb and output_parallel_movb patterns):
2459 Likewise. Revise arguments for output_parallel_addb and
2460 output_parallel_movb calls.
2461 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
2462 output_parallel_movb and output_parallel_addb): Update prototypes.
2463 * pa.c (output_cbranch): Revise arguments. Correct handling of
2464 nullification in long branches.
2465 (output_lbranch): Add new argument to control extraction of delay
2467 (output_bb): Handle long branches.
2468 (output_bvb, output_dbra, output_movb, output_parallel_movb,
2469 output_parallel_addb): Likewise.
2471 2006-04-09 Richard Sandiford <richard@codesourcery.com>
2473 PR rtl-optimization/27073
2474 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
2477 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
2479 * tree.h (tree_memory_tag): Add old_used_alone.
2480 (SMT_OLD_USED_ALONE): New macro.
2481 * tree-ssa-alias.c (recalculate_used_alone): Stop
2482 marking things for renaming unnecessarily.
2484 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
2486 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
2487 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
2488 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
2489 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
2490 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
2491 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
2492 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
2493 spelling convensions.
2494 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
2495 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
2496 typos. Follow spelling conventions.
2498 2006-04-07 DJ Delorie <dj@redhat.com>
2500 * config/m32c/m32c.c (m32c_function_arg): Structures are always
2501 passed on the stack.
2502 (m32c_init_cumulative_args): When a function returns a structure,
2503 always pass the pointer to that return area on the stack.
2504 (m32c_function_arg_advance): Don't increment the parameter number
2505 if we're processing the returned structure pointer.
2506 (pushm_info): Reverse order of registers.
2508 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
2510 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
2511 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
2512 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
2513 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
2515 * tree-chrec.c (chrec_fold_multiply_poly_poly,
2516 chrec_fold_multiply): Same.
2517 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
2518 force_expr_to_var_cost): Same.
2519 * tree-mudflap.c (mf_xform_derefs_1): Same.
2520 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
2522 2006-04-07 David Edelsohn <edelsohn@gnu.org>
2524 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
2525 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
2528 2006-04-07 Jan Hubicka <jh@suse.cz>
2530 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
2532 2006-04-07 Richard Guenther <rguenther@suse.de>
2534 PR tree-optimization/26135
2535 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
2536 loads for store copy-prop.
2537 (copy_prop_visit_stmt): Likewise.
2539 2006-04-05 Robert Millan <robertmh@gnu.org>
2541 * config/i386/linux.h: Add a comment to mark macros that are
2542 being overriden in config/k*bsd-gnu.h.
2543 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
2545 * config/knetbsd-gnu.h: Ditto.
2547 2006-04-06 Jan Hubicka <jh@suse.cz>
2551 * coverage.c (coverage_checksum_string): Reorganize loop to not read
2554 2006-04-06 Mike Stump <mrs@apple.com>
2556 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
2557 for HAVE_nonlocal_goto to be consistent.
2558 (expand_builtin_nonlocal_goto): Likewise.
2559 (expand_builtin_strcmp): Use #ifdef instead of #if
2560 for HAVE_cmpstrnsi to be consistent.
2562 2006-04-05 DJ Delorie <dj@redhat.com>
2564 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
2567 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
2569 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
2570 got-relative addressing for anything but SImode.
2572 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
2573 even if the calling function doesn't modify them.
2575 2006-04-05 Richard Guenther <rguenther@suse.de>
2577 PR tree-optimization/26919
2578 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
2579 to cgraph_estimate_size_after_inlining.
2581 2006-04-05 Alan Modra <amodra@bigpond.net.au>
2583 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
2585 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
2587 PR tree-optimization/26996
2588 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
2589 VECTOR_TYPE variables.
2591 2006-04-05 Richard Guenther <rguenther@suse.de>
2593 PR tree-optimization/26763
2594 * fold-const.c (fold_comparison): Move folding of
2595 PTR + CST CMP PTR + CST ...
2596 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
2598 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
2600 * doc/install.texi (Prerequisites): Refine some wording on
2601 bootstrapping and ksh.
2602 Move the version numbers of DejaGnu here from the testing section
2603 and fix casing of names.
2604 Fix markup and clarify wording for autogen requirements.
2605 Refer to GCJ instead of just java.
2606 Refer to SVN instead of CVS.
2607 Describe diffutils as useful instead of necessary.
2608 (Downloading the source): Refer to SVN instead of CVS.
2609 Adjust a link to our web site accordingly.
2610 (Configuration): Fix casing of Bison.
2611 (Building): Refer to SVN instead of CVS.
2612 Fix a sentence on the use of Bison and remove duplicate (and
2613 incorrect) version number of Bison requirement.
2614 Remove one redundant list of packages needed for building.
2615 (Specific): Avoid reference to CVS.
2617 2006-04-04 Eric Christopher <echristo@apple.com>
2619 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
2620 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
2621 (rs6000_handle_struct_attribute): New.
2622 (rs6000_ms_bitfield_layout_p): Ditto.
2624 2006-04-04 Geoffrey Keating <geoffk@apple.com>
2626 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
2627 NULL for dso parameter to atexit_common.
2629 2006-04-04 Eric Christopher <echristo@apple.com>
2631 * config/i386/i386.c (machopic_output_stub): Output \t
2632 between instructions and operands.
2634 2006-04-04 David Edelsohn <edelsohn@gnu.org>
2636 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
2637 satisfies_constraint_[IL] to explicit tests on value.
2639 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
2641 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2642 set_nb_iterations_in_loop): Use build_int_cst instead of
2644 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
2645 build_int_cst instead of convert.
2647 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
2649 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
2650 new value 2 for incoming.
2651 * function.c (expand_function_start): Call struct_value_rtx
2653 * config/sparc/sparc.md: Comment updated_return.
2654 * config/sparc/sparc.opt: Add -mstd-struct-return option.
2655 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
2656 struct return if sparc_std_struct_return and incoming is 2.
2657 (print_operand): Do not adjust return if
2658 sparc_std_struct_return.
2660 2006-04-04 Roger Sayle <roger@eyesopen.com>
2662 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
2663 convert in the middle-end.
2664 * expr.c (store_expr, store_constructor, get_inner_reference,
2665 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
2667 * tree.c (build_range_type): Likewise.
2669 2006-04-04 Tom Tromey <tromey@redhat.com>
2671 * doc/install.texi (Prerequisites): Mention jar.
2673 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
2675 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
2678 2006-04-04 Matthias Klose <doko@debian.org>
2680 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
2681 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
2684 2006-04-03 Geoffrey Keating <geoffk@apple.com>
2686 * doc/extend.texi (Function Attributes): Rewrite visibility
2687 attribute documentation.
2688 * doc/invoke.texi (C++ Dialect Options): Rewrite
2689 -fvisibility-inlines-hidden documentation to describe something
2690 entirely different, although in practise compatible.
2691 (Code Gen Options): Warn about system headers in -fvisibiltity=
2694 * doc/extend.texi (Other Builtins): Document that
2695 __builtin_nan is a compile-time constant only when its argument
2698 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
2700 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
2701 trying to remove TRUNCATE check if all bits outside the new mode
2702 are identical to the sign bit.
2704 2006-04-03 Jeff Law <law@redhat.com>
2706 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
2707 and operand scanning in some common cases.
2709 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
2710 Dale Johannesen <dalej@apple.com>
2713 * regclass.c (struct reg_pref): Update documentation.
2714 (regclass): Set prefclass to NO_REGS if memory is the best option.
2715 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2716 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
2717 into account. For non-registers, equate an empty preferred
2718 reload class to a `!' in the constraint; move the if clause to
2719 do so after those that reject the insn.
2720 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
2722 (find_dummy_reload): Likewise.
2723 * doc/tm.texi (Register Classes): Document what it means
2724 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
2725 * config/i386/i386.c (ix86_preferred_reload_class): Force
2726 using SSE registers (and return NO_REGS for floating-point
2727 constants) if math is done with SSE.
2728 (ix86_preferred_output_reload_class): New.
2729 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
2730 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
2731 * config/i386/i386.md: Remove # register preferences.
2733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2736 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
2737 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
2738 the type of nb_iter.
2739 (instantiate_parameters_1): Convert the operands before calling
2740 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
2741 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
2743 2006-04-02 Roger Sayle <roger@eyesopen.com>
2745 * builtins.c (dummy_object): Use build_int_cst instead of convert.
2746 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
2748 * dojump.c (do_jump): Likewise.
2749 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
2750 * gimplify.c (gimple_boolify, gimplify_init_constructor,
2751 gimplify_boolean_expr): Likewise.
2752 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2753 * varasm.c (array_size_for_constructor): Likewise.
2754 * tree-object-size.c (compute_object_offset): Likewise.
2756 2006-04-02 Roger Sayle <roger@eyesopen.com>
2759 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
2760 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
2762 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2764 PR tree-optimization/26939
2765 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
2767 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2769 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
2770 at_stmt. Convert the type of operands before calling
2771 build_polynomial_chrec.
2772 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
2774 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
2775 (instantiate_parameters_1): Convert the type of operands before calling
2776 build_polynomial_chrec.
2777 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
2778 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
2779 reset_evolution_in_loop): Insert asserts to check the types of the
2781 (chrec_type): Moved...
2782 (eq_evolutions_p): Use operand_equal_p.
2783 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
2784 the types of the operands.
2785 (chrec_type): ...here.
2786 * tree-data-ref.c (create_data_ref): Convert the operands before
2787 calling chrec_replace_initial_condition.
2788 (same_access_functions, analyze_subscript_affine_affine,
2789 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
2790 (compute_subscript_distance, analyze_ziv_subscript,
2791 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
2792 analyze_miv_subscript): Convert the operands before calling
2793 chrec_fold_minus or chrec_fold_plus.
2795 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
2797 * tree-data-ref.c (compute_all_dependences): Use a pointer to
2798 the dependence_relations vector.
2799 (compute_data_dependences_for_loop): Adjust call to
2800 compute_all_dependences.
2802 2006-04-01 Roger Sayle <roger@eyesopen.com>
2803 Richard Henderson <rth@redhat.com>
2805 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
2806 gimple_boolify on the condition before calling gimplify_expr.
2808 2006-03-31 Bob Wilson <bob.wilson@acm.org>
2810 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
2811 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
2812 the frame size. Update to use the new macros.
2813 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
2814 * config/xtensa/ieee754-df.S: Likewise.
2816 2006-03-31 Richard Henderson <rth@redhat.com>
2818 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
2819 (make_edges): ... here. Control fallthru creation with a local
2820 variable. Do not play with fake edges.
2821 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
2822 (make_goto_expr_edges): Don't play with fake edges. Make for_call
2825 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
2827 * dwarf2.h (DW64_CIE_ID): Define.
2828 * dwarf2out.c (DWARF_CIE_ID): Define.
2829 (output_call_frame_info): Output 0xffffffff before standard 8-byte
2830 length header. Use DWARF_CIE_ID.
2831 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
2832 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
2834 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
2836 * config/sh/linux-atomic.asm: New file.
2837 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
2839 2006-03-31 DJ Delorie <dj@redhat.com>
2841 * config/m32c/cond.md: Set condition flags properly throughout.
2842 * config/m32c/minmax.md: Likewise.
2843 * config/m32c/prologue.md: Likewise.
2844 * config/m32c/bitops.md: Likewise.
2845 * config/m32c/muldiv.md: Likewise.
2846 * config/m32c/mov.md: Likewise.
2847 * config/m32c/addsub.md: Likewise.
2848 * config/m32c/m32c.md: Likewise.
2849 * config/m32c/jump.md: Likewise.
2850 * config/m32c/shift.md: Likewise.
2852 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
2853 conditionally output the pattern for this.
2854 * config/m32c/m32c.c (flags_needed_for_conditional): New.
2855 (m32c_compare_redundant): New.
2856 (m32c_output_compare): New.
2857 * config/m32c/m32c-protos.h (m32c_output_compare): New.
2859 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
2860 dest, not src. Allow other 4-byte modes.
2862 2006-03-30 Denis Chertykov <denisc@overta.ru>
2864 * doc/md.texi: Refer to avr/constraints.md instead of
2867 2006-03-30 Roger Sayle <roger@eyesopen.com>
2869 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
2870 signed vs. unsigned comparison failures on some hosts.
2872 2006-03-31 Alan Modra <amodra@bigpond.net.au>
2875 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
2876 change to FLOAT_REGS.
2878 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
2879 (rs6000_override_options): Use it.
2880 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
2881 only for -mabi=spe/no-spe and -mabi=altivec.
2883 2006-03-30 Geoffrey Keating <geoffk@apple.com>
2885 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
2888 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
2890 * Makefile.in: Rename docdir to gcc_docdir.
2892 2006-03-30 Roger Sayle <roger@eyesopen.com>
2895 * expr.c (emit_group_store): Optimize group stores into a pseudo
2896 register by using a paradoxical subreg to initialize the destination
2897 if the first or last member of the group specifies a "low part".
2899 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2902 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
2903 * target.h (struct gcc_target.speculate_insn): Change type of the
2904 second parameter to 'int'.
2905 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
2906 the second operand of the DEPS_LIST.
2907 (copy_DEPS_LIST_list): Update reference to the second operand of the
2909 * rtl.h (alloc_DEPS_LIST): Update signature.
2910 * sched-int.h (ds_t): Change typedef to 'int'.
2911 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
2913 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2915 * haifa-sched.c (try_ready): Change condition to restore
2916 non-speculative pattern of the instruction.
2917 (process_insn_depend_be_in_spec): Code to keep probability of the
2918 speculative dependence non-decreasing.
2920 2006-03-30 Jie Zhang <jie.zhang@analog.com>
2922 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
2923 (single_move_for_movmem): ... this. Also change all uses.
2924 (bfin_expand_strmov): Renamed to...
2925 (bfin_expand_movmem): ... this. Also change all uses.
2926 * config/bfin/bfin.md (movstrsi): Renamed to...
2927 (movstrsi): ...this.
2929 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
2931 PR tree-optimization/26830
2933 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
2934 (copy_prop_visit_stmt): Remove write-only variable ann.
2935 (init_copy_prop): Check variable loop depth here. Do not simulate
2936 memory-tag and virtual operand PHIs except for store copy prop.
2938 2006-03-30 Richard Guenther <rguenther@suse.de>
2940 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
2941 variants with double arguments.
2943 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2945 * genpreds.c (write_tm_constrs_h): Delete variable p.
2946 * genconditions.c (write_header): Add tm-constrs.h to included
2948 * genpeep.c (main): Add toplev.h to included headers.
2949 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
2950 (build/genpeep.o): Add toplev.h dependency.
2951 * config/rs6000/constraints.md: Add "W" constraint.
2953 2006-03-29 Roger Sayle <roger@eyesopen.com>
2955 * stor-layout.c (mode_for_size_tree): Remove restiction on type
2956 sizes by correctly testing whether the size fits a host integer.
2957 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
2958 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
2959 SImode range for the default sizetype and bitsizetype.
2961 2006-03-29 Roger Sayle <roger@eyesopen.com>
2963 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
2964 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
2965 quickly if the argument is already of the correct type.
2966 Call fold_build1 instead of build1. Tidy up blank lines.
2968 2006-03-29 David Edelsohn <edelsohn@gnu.org>
2970 * genemit.c (main): Add tm-constrs.h to included headers.
2971 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
2972 * genpeep.c (main): Add tm-constrs.h to included headers.
2973 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
2974 (write_tm_constrs_h): this and write complete file.
2975 (write_tm_preds_h): Do not emit satisfies_constraint fns.
2976 (write_insn_preds_c): Add tm-constrs.h to included headers.
2977 (gen_constrs): New variable.
2978 (parse_option): Parse "-c".
2979 (main): Invoke write_tm_constrs_h.
2980 * genrecog.c (write_header): Add tm-constrs.h to included headers.
2981 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
2982 (object_out_file): Add tm-constrs.h dependency.
2983 (insn-emit.o): Same.
2984 (insn-output.o): Same.
2985 (insn-peep.o): Same.
2986 (insn-preds.o): Same.
2987 (insn-recog.o): Same.
2988 (tm-constsr.h): New target.
2989 (s-constrs-h): New target.
2991 * config/rs6000/constraints.md: New file.
2992 * config/rs6000/rs6000.c: Include tm-constrs.h.
2993 (num_insn_constant_wide): Convert to satisfies_constraint.
2994 (rs6000_rtx_costs): Convert to satisfies_constraint.
2995 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
2996 (CONST_OK_FOR_LETTER_P): Delete.
2997 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2998 (EXTRA_CONSTRAINT): Delete.
2999 (EXTRA_MEMORY_CONSTRAINT): Delete.
3000 (EXTRA_ADDRESS_CONSTRAINT): Delete.
3001 * config/rs6000/predicates.md: Convert to satisfies_constraint.
3002 * config/rs6000/rs6000.md: Include constraints.md. Convert to
3003 satisfies_constraint.
3005 * config/i386/i386.c: Include tm-constrs.h.
3007 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3009 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
3010 * tree-data-ref.c (find_data_references_in_loop,
3011 compute_data_dependences_for_loop): Use pointers to VEC.
3012 (analyze_all_data_dependences): Adjust calls.
3013 * tree-data-ref.h (find_data_references_in_loop,
3014 compute_data_dependences_for_loop): Adjust declarations.
3015 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
3016 compute_data_dependences_for_loop.
3018 2006-03-29 Paul Brook <paul@codesourcery.com>
3020 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
3023 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
3025 PR tree-optimization/26859
3026 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
3028 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
3029 for the step after fold_convert.
3031 2006-03-29 Paul Brook <paul@codesourcery.com>
3033 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
3034 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
3036 2006-03-29 Paul Brook <paul@codesourcery.com>
3039 * targhooks.c (default_narrow_bitfield): New fuction.
3040 * targhooks.h (default_narrow_bitfield): add prototype.
3041 * target.h (gcc_target): Add narrow_volatile_bitfield.
3042 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3043 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
3044 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
3045 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
3047 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3049 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
3051 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
3052 (NR_C_MODES): Add TDmode, DDmode and SDmode.
3053 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
3054 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
3055 (s390_function_arg_float): Allow SDmode and DDmode values to be
3056 passed in floating point registers.
3057 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
3058 check with SCALAR_FLOAT_MODE_P.
3059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
3061 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3063 PR tree-optimization/25985
3064 * tree-ssa-loop-niter.c (number_of_iterations_le,
3065 number_of_iterations_ne): Make comments more precise.
3066 (number_of_iterations_cond): Add only_exit argument. Use the
3067 fact that signed variables do not overflow only when only_exit
3069 (loop_only_exit_p): New.
3070 (number_of_iterations_exit): Pass result of loop_only_exit_p to
3071 number_of_iterations_cond.
3073 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
3075 PR tree-optimization/26643
3076 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
3079 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
3081 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
3082 (divsi3_i4_int): Likewise.
3084 2006-03-28 Roger Sayle <roger@eyesopen.com>
3086 * expr.c (emit_group_store): Only create a new pseudo reg if the
3087 quantity it needs to hold isn't already a suitable pseudo.
3089 2006-03-28 Jeff Law <law@redhat.com>
3091 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
3092 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
3094 2006-03-28 Roger Sayle <roger@eyesopen.com>
3096 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
3097 the equivalent ~X & Y, and the symmetry related transformations.
3098 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
3099 ~X & Y, and symmetry related transforms.
3101 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3103 Revert my 2006-03-27 patches.
3105 2006-03-28 Roger Sayle <roger@eyesopen.com>
3107 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
3108 ~(T1)X, when T1 and T2 are integer types of the same precision
3109 and (T2)X isn't an extension.
3111 2006-03-28 Jeff Law <law@redhat.com>
3113 PR tree-optimization/26796
3114 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
3115 need EH edge cleanups rather than purging them immediately.
3116 (eliminate_degenerate_phis): Handle queued EH cleanups.
3118 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
3120 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
3123 2006-03-27 Roger Sayle <roger@eyesopen.com>
3126 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
3127 cast BIT_NOT_EXPR operand to the correct type.
3129 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
3131 * tree-loop-linear.c: Don't include varray.h.
3132 (gather_interchange_stats, try_interchange_loops,
3133 linear_transform_loops): Use VEC instead of VARRAY.
3134 * lambda-mat.c: Don't include varray.h.
3135 * tree-chrec.c: Same.
3136 * lambda-trans.c: Same.
3137 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
3138 VEC instead of VARRAY.
3139 * tree-vectorizer.h: Idem.
3140 * tree-data-ref.c (dump_data_references,
3141 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
3142 initialize_data_dependence_relation, finalize_ddr_dependent,
3143 compute_all_dependences, find_data_references_in_loop,
3144 compute_data_dependences_for_loop, analyze_all_data_dependences,
3145 free_dependence_relation, free_dependence_relations,
3146 free_data_refs): Idem.
3147 * tree-data-ref.h (data_reference_p, subscript_p): New.
3148 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
3149 VEC instead of VARRAY.
3150 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
3151 (find_data_references_in_loop, compute_data_dependences_for_loop,
3152 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
3153 dump_data_dependence_relations, free_dependence_relations,
3154 free_data_refs): Adjust declaration.
3155 (lambda_transform_legal_p): Move declaration here...
3156 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
3157 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
3158 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
3159 vect_analyze_data_refs): Use VEC instead of VARRAY.
3160 * lambda.h (lambda_transform_legal_p): ...from here.
3161 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
3162 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
3163 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
3164 tree-chrec.o): Don't depend on VARRAY_H.
3166 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3168 * rtl.def (Copyright): Update date.
3169 (DEPS_LIST): Change type of the second operand to 'int'.
3170 * target.h (Copyright): Update date.
3171 (struct gcc_target.speculate_insn): Change type of the second parameter
3173 * lists.c (Copyright): Update date.
3174 (alloc_DEPS_LIST): Change signature. Update reference to the second
3175 operand of the DEPS_LIST.
3176 (copy_DEPS_LIST_list): Update reference to the second operand of the
3178 * rtl.h (Copyright): Update date.
3179 (alloc_DEPS_LIST): Update signature.
3180 * sched-int.h (Copyright): Update date.
3181 (ds_t): Change typedef to 'int'.
3182 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
3184 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3186 * haifa-sched.c (Copyright): Update date.
3187 (try_ready): Change condition to restore non-speculative pattern
3189 (process_insn_depend_be_in_spec): Code to keep probability of the
3190 speculative dependence non-decreasing.
3192 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
3194 * regrename.c (replace_oldest_value_addr): Initialize a variable to
3195 shut up the compiler.
3197 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
3199 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
3200 to use lib prefix for target.
3201 ($(T)libic_invalidate_array_4-200.a): Likewise.
3202 ($(T)libic_invalidate_array_4a.a): Likewise.
3204 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
3205 J"orn Rennecke <joern.rennecke@st.com>
3207 * superh.opt: New file.
3208 * sh.c (boardtype, osruntime): Remove.
3209 * superh.h (SUBTARGET_OPTIONS): Remove.
3210 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
3212 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
3213 arguments with ^ and/or [].
3215 * config.gcc (sh-*-*): Add quoting to account for quirk of
3217 Replace == with = in enable_incomplete_targets test.
3219 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
3220 with MASK_LITTLE_ENDIAN.
3222 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
3223 * config/sh/sh.opt: Added to some comments.
3224 * config/sh/superh.h: Removed some chaff.
3226 * config/sh/sh.opt: Add m4-[1234]00* options.
3227 * config/sh/sh.c (sh_handle_option): Likewise.
3228 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
3229 (ic_invalidate_array_4-100.o): New rule.
3230 ($(T)libic_invalidate_array_4-100.a): Likewise.
3231 (ic_invalidate_array_4-200.o): Likewise.
3232 ($(T)libic_invalidate_array_4-200.a): Likewise.
3233 (ic_invalidate_array_4a.o): Likewise.
3234 ($(T)libic_invalidate_array_4a.a): Likewise.
3235 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
3236 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
3238 * config/sh/crt1.asm: Merged in profiling code.
3239 * config/sh/superh.h (STARTFILE_SPEC): Override.
3240 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
3241 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
3242 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
3244 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
3245 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
3246 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
3248 * sh.opt (mpretend-cmove): New option.
3249 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
3250 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
3251 (movsicc): Add TARGET_PRETEND_CMOVE code.
3253 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
3255 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
3256 s390_class_max_nregs): New function prototypes.
3257 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
3258 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
3259 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
3260 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
3262 2006-03-26 Geoffrey Keating <geoffk@apple.com>
3264 * dwarf2out.c (add_location_or_const_value_attribute): Call
3265 tree_add_const_value_attribute if nothing else works.
3266 (reference_to_unused): New.
3267 (rtl_for_decl_init): Use reference_to_unused to decide whether
3268 to output an initializer.
3270 2006-03-27 Alan Modra <amodra@bigpond.net.au>
3273 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
3274 peephole removing spe frob_di_df_2.
3276 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
3278 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
3279 (subscript_dependence_tester_1): Declared.
3280 (print_dir_vectors, print_dist_vectors): New.
3281 (debug_data_dependence_relation): New.
3282 (dump_data_dependence_relation): Print more details.
3283 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
3284 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
3285 (save_dist_v, save_dir_v, add_outer_distances,
3286 build_classic_dist_vector_1): New.
3287 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
3288 Don't test for lambda_vector_lexico_pos.
3289 (same_access_functions, add_multivariate_self_dist,
3290 add_other_self_distances, dir_from_dist): New.
3291 (build_classic_dir_vector): Replace implementation almost identical to
3292 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
3294 (subscript_dependence_tester_1): New.
3295 (subscript_dependence_tester): Handle the lexicographically negative
3296 distance vectors by recomputing the dependence relation.
3297 (compute_affine_dependence): Remove parameter loop_nest_depth.
3298 (compute_self_dependence): Don't call compute_subscript_distance.
3299 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
3300 Add a parameter for the loop_nest.
3301 (find_loop_nest_1, find_loop_nest): New.
3302 (compute_data_dependences_for_loop): Compute the loop nest, and give
3303 up if the nest is not well formed.
3304 * tree-data-ref.h (loop_p): New.
3305 (struct data_dependence_relation): Replace size_vect field with
3306 loop_nest, a vec of loops.
3307 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
3308 (DDR_LOOP_NEST): New.
3309 (print_dir_vectors, print_dist_vectors,
3310 debug_data_dependence_relation): Declared.
3311 (index_in_loop_nest): New.
3312 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
3313 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
3316 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
3318 * simplify-rtx.c (simplify_relational_operation): Call
3319 simplify_relational_operation_1 even if mode is VOIDmode.
3321 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
3323 PR tree-optimization/26804
3324 * tree.h (DECL_CALL_CLOBBERED): New macro.
3325 (tree_decl_common): Add call_clobbered_flag.
3326 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
3327 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
3328 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
3329 (mark_non_addressable): Ditto.
3330 * tree-ssa.c (verify_call_clobbered): New function.
3331 (verify_alias_info): Use it.
3332 * tree-pass.h (pass_reset_cc_flags): New prototype.
3333 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
3334 (reset_cc_flags): New function.
3335 * passes.c (init_optimization_passes): Call reset_cc_flags after
3336 initializing referenced_vars.
3338 2006-03-25 Uros Bizjak <uros@kss-loka.si>
3339 Roger Sayle <roger@eyesopen.com>
3342 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
3343 to 1.0 for non-real operands. Implement A / A optimization for
3346 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
3348 * config/i386/i386.c (size_cost): Correct the comment for
3349 cost of storing fp registers.
3350 (i386_cost): Likewise.
3351 (i486_cost): Likewise.
3352 (pentium_cost): Likewise.
3353 (pentiumpro_cost): Likewise.
3354 (k6_cost): Likewise.
3355 (athlon_cost): Likewise.
3356 (k8_cost): Likewise.
3357 (pentium4_cost): Likewise.
3358 (nocona_cost): Likewise.
3359 (generic64_cost): Likewise.
3360 (generic32_cost): Likewise.
3362 2006-03-24 Denis Chertykov <denisc@overta.ru>
3364 * config/avr/avr-protos.h (extra_constraint): Delete.
3365 (extra_constraint_Q): New declaration.
3366 * config/avr/constraints.md: New file.
3367 * config/avr/avr.md: Include it.
3368 (REG_X, REG_Y, REG_Z, REG_W): New constants.
3369 (TMP_REGNO, ZERO_REGNO): Likewise.
3370 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
3371 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
3372 (extra_constraint): Delete.
3373 (extra_constraint_Q): Test for memory constraint 'Q'.
3374 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
3375 (REG_CLASS_FROM_LETTER): Delete.
3376 (CONST_OK_FOR_LETTER_P): Delete.
3377 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3378 (EXTRA_CONSTRAINT): Delete.
3379 (TMP_REGNO): Delete.
3380 (ZERO_REGNO): Delete.
3382 2006-03-24 Jeff Law <law@redhat.com>
3384 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
3385 directly. Call mark_new_vars_to_rename slightly earlier.
3387 2006-03-24 Geoffrey Keating <geoffk@apple.com>
3389 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
3391 (gen_compile_unit_die): Use new language types for Objective-C and
3393 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
3394 DW_LANG_C_plus_plus.
3397 * config/t-darwin (crt3.o): Work around bug 26840.
3398 * config/darwin-crt3.c: Rewrite.
3399 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
3401 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
3403 * doc/invoke.texi: Document -femit-class-debug-always
3404 * common.opt: Add -femit-class-debug-always.
3406 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
3408 * config/s390/s390.c (s390_decompose_address): Allow SImode for
3409 index and base register.
3410 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
3411 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
3412 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
3413 REGNO_OK_FOR_INDEX_P.
3414 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
3416 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
3417 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
3418 REG_OK_FOR_BASE_P): Definitions removed.
3420 2006-03-24 Jakub Jelinek <jakub@redhat.com>
3423 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
3424 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
3425 set yet or weren't marked as local yet.
3427 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
3429 * regrename.c (scan_rtx_address): Initialize a variable to shut up
3432 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
3434 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
3435 (rs6000_legitimate_small_data_p): Delete.
3436 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
3437 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
3438 and make static. Add forward declaration. Update uses.
3439 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
3440 of offsettable_memref_p.
3441 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
3442 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
3444 2006-03-24 Jeff Law <law@redhat.com>
3446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
3447 around bug in immediate-use iterator.
3449 2006-03-24 Alan Modra <amodra@bigpond.net.au>
3452 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
3453 or __LITTLE_ENDIAN__.
3455 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
3457 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
3458 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
3459 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
3460 * config/sh/sh.opt (mdiv=): Amend description.
3461 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
3462 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
3463 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
3464 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
3465 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
3466 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
3467 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
3468 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
3469 TARGET_DIVIDE_CALL_FP.
3471 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3473 * haifa-sched.c (choose_ready): Fix type of the local variable.
3474 Move local variables. Add comment.
3475 (check_reg_live): Change signature. Make callable from debugger.
3476 * sched-int.h (check_reg_live): Update signature.
3477 * sched-ebb.c (check_reg_live): Update parameters.
3478 * sched-rgn.c (check_reg_live): Ditto.
3479 (region_head_or_leaf_p): Check pointer before dereferencing.
3480 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
3481 before reload on optimization levels below 1.
3483 2006-03-23 Richard Henderson <rth@redhat.com>
3485 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
3489 * config/alpha/predicates.md (local_symbolic_operand): Reject
3492 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
3495 * tree-ssa-pre.c (create_value_expr_from): Don't reject
3496 expressions which have overflowed constants.
3498 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3500 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
3502 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
3504 * cfgloopmanip.c (create_loop_notes): Removed.
3505 * final.c (final_scan_insn): Do not handle loop notes.
3506 * jump.c (squeeze_notes): Ditto.
3507 * cfglayout.c (skip_insns_after_block,
3508 duplicate_insn_chain): Ditto.
3509 * cfgcleanup.c (rest_of_handle_jump2): Do not call
3511 * cfgloop.h (create_loop_notes): Declaration removed.
3513 2006-03-23 Richard Sandiford <richard@codesourcery.com>
3515 * varasm.c (output_constant_pool): Restore fnname and fndecl
3517 (assemble_start_function): Adjust call accordingly.
3518 (assemble_end_function): Likewise.
3520 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3523 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
3526 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
3528 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3531 * system.h (ICE_EXIT_CODE): New macro.
3532 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
3533 (diagnostic_action_after_output): Likewise.
3534 * gcc.c (fatal_ice): New function.
3535 (execute): Use it instead of fatal.
3536 (fancy_abort): Likewise.
3537 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
3539 2006-03-22 Jeff Law <law@redhat.com>
3541 * loop-unroll.c (analyze_iv_to_split_insn): Handle
3542 iv_analyze_result returning false.
3544 2006-03-22 Jie Zhang <jie.zhang@analog.com>
3546 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
3548 2006-03-22 Richard Henderson <rth@redhat.com>
3551 * except.c (duplicate_eh_regions_0): New.
3552 (duplicate_eh_region_1): Duplicate the children of the node as
3553 well as the node itself. Link them up properly.
3554 (duplicate_eh_region_2): Merge into ...
3555 (duplicate_eh_regions): ... here. Take copy_region argument, and
3556 copy only a sub-tree if asked. Simplify copying and fixup.
3557 (eh_region_outer_p): New.
3558 * except.h (duplicate_eh_regions): Update decl.
3559 (eh_region_outer_p): Declare.
3560 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
3561 (lower_omp_master): Likewise.
3562 (lower_omp_ordered): Likewise.
3563 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
3564 (move_stmt_r): Use it to remap labels. Handle recursion vs
3565 remap_decls_p properly.
3566 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
3567 (find_outermost_region_in_block): New.
3568 (new_label_mapper): New.
3569 (move_sese_region_to_fn): Copy eh information to the new function
3571 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
3573 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
3576 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3578 * doc/md.texi (-mshared): Mention that -mshared code can be linked
3579 into shared libraries.
3581 2006-03-22 Richard Sandiford <richard@codesourcery.com>
3583 * doc/md.texi: Refer to i386/constraints.md instead of
3585 * config/i386/constraints.md: New file, extracted from...
3586 * config/i386/predicates.md: ...here.
3587 * config/i386/i386.md: Include constraints.md.
3589 2006-03-21 Jason Merrill <jason@redhat.com>
3591 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
3594 * expr.c (init_block_move_fn): Force default visibility.
3595 (init_block_clear_fn): Likewise.
3596 * builtins.c (expand_builtin_fork_or_exec): Likewise.
3597 * targhooks.c (default_external_stack_protect_fail): Likewise.
3599 2006-03-21 Richard Sandiford <richard@codesourcery.com>
3601 * config/mips/predicates.md (const_call_insn_operand): Allow direct
3602 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
3603 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
3604 Use TARGET_OLDABI instead of !TARGET_NEWABI.
3605 (loadgp): Use mips_current_loadgp_style.
3606 (loadgp_noshared): New pattern.
3607 (sibcall_internal): Use MIPS_CALL.
3608 (sibcall_value_internal): Likewise.
3609 (sibcall_value_multiple_internal): Likewise.
3610 (call_internal): Likewise.
3611 (call_value_internal): Likewise.
3612 (call_value_multiple_internal): Likewise.
3613 (call_split): Use MIPS_CALL and add an 'S' constraint.
3614 (call_value_split): Likewise.
3615 (call_value_multiple_split): Likewise.
3616 * config/mips/mips.opt (-mabicalls): Tweak docstring.
3617 (-mshared): New option.
3618 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
3619 (mips_current_loadgp_style): Declare.
3620 * config/mips/mips.c (mips_classify_symbol): Avoid using
3621 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
3622 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
3623 TARGET_ABSOLUTE_ABICALLS.
3624 (override_options): Adjust comments. Improve the warning that is
3625 issued when -mabicalls and -G are used together.
3626 (mips_file_start): Remove comment.
3627 (mips_current_loadgp_style): New function.
3628 (mips_gnu_local_gp): New variable.
3629 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
3631 (mips_output_function_prologue): Use mips_current_laodgp_style.
3632 (mips_expand_prologue): Call mips_emit_loadgp before emitting
3633 the cprestore instruction.
3634 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
3635 live for TARGET_ABSOLUTE_ABICALLS.
3636 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
3637 (ASM_SPEC): Pass down -mshared and -mno-shared.
3638 (MIPS_CALL): New macro.
3639 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
3641 * doc/invoke.texi (-mabicalls): Update documentation.
3642 (-mshared): Document.
3644 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3646 * config/ia64/unwind-hpux.c: New file.
3647 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
3649 2006-03-21 Steve Ellcey <sje@cup.hp.com>
3652 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
3654 2006-03-21 Jeff Law <law@redhat.com>
3656 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
3657 type conversions of a VR_VARYING source to a wider type.
3659 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
3661 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
3662 tm_file on Solaris 10 and later.
3663 (sparc64-*-solaris2*): Likewise.
3664 (sparc-*-solaris2*): Likewise.
3665 * config/sol26.h: Rename to config/sol2-6.h.
3666 * config/sol2-10.h: New file.
3668 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
3671 * tree-ssa-pre.c (create_component_ref_by_pieces):
3674 2006-03-21 Jakub Jelinek <jakub@redhat.com>
3677 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
3678 return it immediately.
3680 2006-03-21 Michael Matz <matz@suse.de>
3682 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
3684 (remove_arc, add_arc): Update num_out_arcs member.
3685 (set_out_arc_insns_equiv_num): Returns nothing instead of number
3687 (cache_presence): New function.
3688 (compare_states_for_equiv): New function.
3689 (state_is_differed): Don't take number of outargs, adjust callers.
3690 Use new invariant for speeding up.
3691 (init_equiv_class): Create initial classes based on sorted
3693 (partition_equiv_class): Don't track out_arcs_num.
3694 (evaluate_equiv_classes): Call cache_presence on all states and
3697 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
3699 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
3700 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
3701 (bfin_valid_reg_p): Test for pseudos explicitly and use only
3702 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
3704 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
3705 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
3706 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
3707 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
3708 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
3710 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
3711 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
3712 (REGNO_REG_CLASS): ARGP is in PREGS.
3713 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
3715 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
3716 to deal with those addresses.
3717 * addresses.h: New file.
3718 * caller-save.c: Include "addresses.h".
3719 (init_caller_save): Use new base_reg_class function.
3720 * rtl-factoring.c: Include "addresses.h".
3721 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
3722 * recog.c: Include "addresses.h".
3723 (preprocess_constraints): Use new base_reg_class function.
3724 * regrename.c: Include "addresses.h".
3725 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
3726 functions. Keep track of a new var INDEX_CODE to compute valid
3728 (replace_oldest_value_addr): Likewise.
3729 (replace_oldest_value_mem): Use base_reg_class.
3730 * reload.c: Include "addresses.h".
3731 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
3732 (find_reloads): Use new base_reg_class function.
3733 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
3734 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
3735 all callers and prototype changed.
3736 * reload1.c: Include "addresses.h".
3737 (maybe_fix_stack_asms): Use base_reg_class.
3738 * regclass.c: Include "addresses.h".
3739 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
3740 (init_reg_autoinc): Use new base_reg_class function.
3741 (record_reg_classes): Likewise.
3742 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
3743 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
3744 Use new args to compute necessary class.
3746 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
3747 regrename.o, rtl-factoring.o): Update dependencies.
3748 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
3749 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3750 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
3751 REG_OK_FOR_INDEX_P): Delete documentation.
3753 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
3755 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
3756 from V7 to V9 for Solaris 7 and above.
3758 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
3760 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
3761 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
3762 argument pointers may not alias any other storage.
3763 * common.opt: Define option -fargument-noalias-anything.
3764 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
3765 alias semantics is specified by flag_argument_noalias > 2.
3767 2006-03-20 Jeff Law <law@redhat.com>
3769 * tree-pass.h (pass_phi_only_copy_prop): Delete.
3770 (pass_phi_only_cprop): Declare.
3771 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
3773 * tree-ssa-dom.c (degenerate_phi_result): New function.
3774 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
3775 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
3776 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
3777 (eliminate_degenerate_phis): Likewise.
3778 (pass_phi_only_cprop): New pass descriptor.
3779 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
3780 support code. Callers updated.
3781 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
3782 (store_copy_prop): Likewise.
3783 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
3785 2006-03-20 Jason Merrill <jason@redhat.com>
3788 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
3789 (push_visibility, pop_visibility): Likewise.
3790 * c-pragma.h: Declare them.
3792 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
3794 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
3796 * config/sh/sh.c (find_regmode_weight): Change the type of the first
3797 parameter and use get_ebb_head_tail.
3798 (sh_md_init_global): Adjust uses of find_regmode_weight.
3800 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
3802 * function.h (struct function) <x_tail_recursion_reentry>:
3803 Rename to x_stack_check_probe_note.
3804 (tail_recursion_reentry): Rename to stack_check_probe_note.
3805 * function.c: Replace tail_recursion_reentry with
3806 stack_check_probe_note everywhere.
3807 (expand_function_start): Only emit a note for
3808 stack_check_probe_note with -fstack-protect.
3809 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
3811 * emit-rtl.c (remove_unnecessary_notes): Remove.
3812 (pass_remove_unnecessary_notes): Remove.
3813 * rtl.h (remove_unnecessary_notes): Remove prototype.
3814 * final.c (final_start_function): Don't call remove_unnecessary_notes.
3815 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
3816 * passes.c (pass_remove_unnecessary_notes): Don't run it.
3818 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
3821 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
3822 (valid_in_set): Handle ARRAY_REF.
3823 Change "if min_variant or VH" to asserts.
3824 (create_component_ref_by_pieces): Handle ARRAY_REF.
3825 (create_expression_by_pieces): Likewise.
3826 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
3828 2006-03-20 David Edelsohn <edelsohn@gnu.org>
3830 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
3831 is operand of switch, not str[0].
3833 2006-03-20 Alan Modra <amodra@bigpond.net.au>
3835 * config/rs6000/rs6000.c (rs6000_handle_option): Use
3836 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
3838 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3840 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
3841 end of insn_extra_address_constraint declaration.
3843 2006-03-19 David Edelsohn <edelsohn@gnu.org>
3845 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
3846 (no-sum-in-toc): Same.
3847 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
3849 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
3850 NO_FP_IN_TOC for -fPIC instead of mask.
3852 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
3853 (BOOT_LDFLAGS): Delete.
3855 * config/rs6000/t-aix52: Same.
3857 * config/rs6000/rs6000.md (store_multiple_power): Delete.
3858 (stmsi[345678]_power): New.
3860 2006-03-17 Steve Ellcey <sje@cup.hp.com>
3862 * config/ia64/ia64.opt: Add empty line to end of file.
3864 2006-03-17 Richard Guenther <rguenther@suse.de>
3867 * builtins.c (get_pointer_alignment): For component style references
3868 adjust alignment to the component type alignment. Make sure
3869 to adjust alignment for component access of constants.
3871 2006-03-17 David Edelsohn <edelsohn@gnu.org>
3873 * config/rs6000/rs6000.md (strlensi): Emit barrier after
3876 2006-03-17 Paul Brook <paul@codesourcery.com>
3878 * doc/install.texi: Docuemnt --with-mode.
3879 * config.gcc: Add --with-mode for arm*-*-*.
3880 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
3882 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
3884 * sh.c (max_labelno_before_reorg): New variable.
3885 (sh_reorg): Initialize it.
3886 (find_barrier): Check max_labelno_before_reorg before using
3887 label_to_alignment. Take length of explicit alignment insns
3888 into account. When seeing a UNSPECV_CONST_END, return it.
3890 * sh.c (fixup_mova): Set mode of affected label to QImode.
3891 (untangle_mova): New function.
3892 (find_barrier): Use it. Check mode of label before decrementing
3894 (sh_reorg): Likewise.
3895 Set mode of all insns back to VOIDmode.
3897 * sh.c (MOVA_LABELREF): New macro.
3898 (mova_p, fixup_mova, sh_reorg): Use it.
3899 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
3900 ADDR_DIFF_VEC matches mova.
3902 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
3904 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
3905 with ATTRIBUTE_UNUSED.
3907 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
3909 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
3910 pointer, instead of assuming it is possible to derive the
3911 correct args size from a call insn.
3913 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3915 * rtl.h (CONST_INT_P): Define.
3916 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
3917 instead of GET_CODE(x) == CONST_INT.
3918 (vax_rtx_costs): Likewise.
3919 (vax_output_int_move): Likewise.
3920 (vax_output_int_add): Likewise.
3921 (legitimate_constant_address_p): Likewise.
3922 (index_term_p): Likewise.
3923 * config/vax/vax.h (PRINT_OPERAND): Likewise.
3924 * config/vax/vax.md (and<mode>3): Likewise.
3925 (ashrsi3): Likewise.
3927 (movstricthi): Likewise.
3928 (movstrictqi): Likewise.
3929 (rotrsi3): Likewise.
3930 (five unnamed insns): Likewise.
3932 2006-03-16 Geoffrey Keating <geoffk@apple.com>
3934 * doc/tm.texi (SDB and DWARF): Add extra parameter to
3935 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
3936 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
3937 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
3938 Pass to ASM_OUTPUT_DWARF_OFFSET.
3939 * dwarf2out.c (debug_frame_section): New.
3940 (output_call_frame_info): Use debug_frame_section. Pass it to
3941 dw2_asm_output_offset.
3942 (output_die): Pass appropriate section to dw2_asm_output_offset.
3943 (output_compilation_unit_header): Likewise.
3944 (output_pubnames): Likewise.
3945 (output_aranges): Likewise.
3946 (enum dw_val_class): Break dw_val_class_lbl_offset into
3947 dw_val_class_lineptr and dw_val_class_macptr.
3948 (add_AT_lbl_offset): Delete.
3949 (add_AT_lineptr): New.
3950 (add_AT_macptr): New.
3951 (AT_lbl): Expect a lineptr or macptr.
3952 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
3953 (attr_checksum): Likewise.
3954 (same_dw_val_p): Likewise.
3955 (size_of_die): Likewise.
3956 (value_format): Likewise.
3957 (output_die): Likewise.
3958 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
3960 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3961 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
3962 * config/darwin-protos.h (darwin_file_start): New.
3963 (darwin_asm_output_dwarf_offset): New.
3964 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
3965 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
3967 * config/darwin.c (darwin_emit_unwind_label): Don't output label
3968 if not EH section; simplify.
3969 (darwin_file_start): New.
3970 (darwin_asm_output_dwarf_offset): New.
3971 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
3973 (DEBUG_INFO_SECTION): Likewise.
3974 (DEBUG_ABBREV_SECTION): Likewise.
3975 (DEBUG_ARANGES_SECTION): Likewise.
3976 (DEBUG_MACINFO_SECTION): Likewise.
3977 (DEBUG_LINE_SECTION): Likewise.
3978 (DEBUG_LOC_SECTION): Likewise.
3979 (DEBUG_PUBNAMES_SECTION): Likewise.
3980 (DEBUG_STR_SECTION): Likewise.
3981 (DEBUG_RANGES_SECTION): Likewise.
3982 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
3983 (ASM_OUTPUT_DWARF_OFFSET): New.
3985 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
3987 * config.gcc (tm_defines): Always add to previous value rather
3990 2006-03-16 Richard Sandiford <richard@codesourcery.com>
3992 * config/mips/predicates.md (splittable_const_int_operand): New,
3993 split from move_operand.
3994 (splittable_symbolic_operand): New.
3995 (move_operand): Add commentary. Use splittable_const_int_operand.
3996 Inline mips_atomic_symbolic_constant_p.
3997 * config/mips/mips.md: Add combine splitters for handling moves
3998 of splittable_const_int_operands and splittable_symbolic_operands.
3999 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
4000 (mips_split_symbol): Declare.
4001 (mips_move_integer): Declare.
4002 * config/mips/mips.c (mips_split_p): Make global.
4003 (TARGET_MIN_ANCHOR_OFFSET): Override default.
4004 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
4005 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
4006 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
4007 (mips_offset_within_object_p): Handle block symbols.
4008 (mips_atomic_symbolic_constant_p): Delete.
4009 (mips_cannot_force_const_mem): Return false for constants that
4010 mips_legitimize_move can handle.
4011 (mips_use_blocks_for_constant_p): New function.
4012 (mips_split_symbol): Make global.
4013 (mips_move_integer): Likewise. Add a temporary register argument.
4014 (mips_legitimize_const_move): Use splittable_const_int_operand and
4015 splittable_symbolic_operand.
4016 (mips_use_anchors_for_symbol_p): New function.
4017 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
4018 (mips_split_p): Declare.
4020 2006-03-16 Richard Sandiford <richard@codesourcery.com>
4022 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
4023 (mips*-*-linux*): Likewise.
4025 2006-03-16 Roger Sayle <roger@eyesopen.com>
4026 Daniel Speyer <dspeyer@wam.umd.edu>
4029 * tree-dump.c (dump_real): New function.
4030 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
4031 * Makefile.in (REAL_H): New macro for dependencies on real.h.
4032 (tree-dump.o): Add $(REAL_H) to the dependencies.
4034 2006-03-16 Roger Sayle <roger@eyesopen.com>
4037 * real.c (real_from_string): If the mantissa is zero, don't bother
4038 parsing the exponent as the result should always be zero.
4040 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
4042 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
4044 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4046 * config/ia64/ia64.c (stops_p): Added explicit initialization.
4047 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
4048 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
4049 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
4050 ia64_sched_finish_global): New static functions to implement
4051 hooks from gcc_target.sched.
4052 (spec_check_no, max_uid, pending_data_specs): New static variables.
4053 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
4054 ia64_spec_check_src_p): New static functions.
4055 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
4056 (TARGET_SCHED_ADJUST_COST): Removed.
4057 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
4058 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
4059 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4060 TARGET_SCHED_GEN_CHECK,
4061 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4062 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
4063 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
4064 Fixed to handle speculation checks.
4065 (rtx_needs_barrier): Fixed to handle speculative loads and
4067 (ia64_variable_issue): Added code to count speculative loads and their
4069 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
4071 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
4073 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
4075 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
4076 (ia64_reorg): Reset stops_p to NULL after it is freed.
4077 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
4078 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
4079 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
4081 (data_speculative, control_speculative, check_load): New attributes.
4082 (mov<mode>_advanced, mov<mode>_speculative,
4083 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
4084 zero_extend<mode>di2_speculative,
4085 zero_extend<mode>di2_speculative_advanced): New patterns for
4086 data and control speculative loads.
4087 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
4089 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
4090 New pattern for data and control speculation checks.
4091 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
4092 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
4093 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
4094 Auxiliary definitions for the patterns.
4095 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
4096 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
4098 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
4100 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
4101 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
4102 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
4103 New resource constraints.
4104 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
4106 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
4107 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
4108 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4109 msched-in-control-spec, msched-ldc, msched-control-ldc,
4110 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4111 msched-prefer-non-control-spec-insns,
4112 msched-count-spec-in-critical-path): New flags to tune speculative
4114 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
4115 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
4116 msched-in-control-spec, msched-ldc, msched-control-ldc,
4117 msched-spec-verbose, msched-prefer-non-data-spec-insns,
4118 msched-prefer-non-control-spec-insns,
4119 msched-count-spec-in-critical-path): Document new flags.
4121 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4123 * target.h (struct spec_info_def): New opaque declaration.
4124 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
4125 speculate_insn, needs_block_p, gen_check,
4126 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
4127 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
4128 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
4129 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
4130 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4131 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
4133 (TARGET_SCHED): Use new macros.
4134 * rtl.h (copy_DEPS_LIST_list): New prototype.
4135 * sched-int.h (struct sched_info): Change signature of new_ready field,
4136 adjust all initializations. New fields: add_remove_insn,
4137 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
4138 region_head_or_leaf_p.
4139 (struct spec_info_def): New structure declaration.
4140 (spec_info_t): New typedef.
4141 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
4142 recovery_block, orig_pat.
4143 (glat_start, glat_end): New variables declaraions.
4144 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
4146 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
4147 DETACH_LIFE_INFO, USE_GLAT.
4148 (enum SPEC_SCHED_FLAGS): New enumeration.
4149 (NOTE_NOTE_BB_P): New macro.
4150 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
4151 attach_life_info, debug_spec_status, check_reg_live): New functions.
4152 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
4153 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
4155 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
4156 * ddg.c (get_block_head_tail): Adjust all uses.
4157 * modulo-sched.c (get_block_head_tail): Adjust all uses.
4158 (sms_sched_info): Initialize new fields.
4159 (contributes_to_priority): Removed.
4160 * haifa-sched.c (params.h): New include.
4161 (get_block_head_tail): Adjust all uses.
4162 (ISSUE_POINTS): New macro.
4163 (glat_start, glat_end): New global variables.
4164 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
4165 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
4166 old_last_basic_block, before_recovery, current_sched_info_var,
4167 rgn_n_insns, luid): New static variables.
4168 (insn_cost1): New function. Move logic from insn_cost to here.
4169 (find_insn_reg_weight1): New function. Move logic from
4170 find_insn_reg_weight to here.
4171 (reemit_notes, move_insn, max_issue): Change signature.
4172 (move_insn1): Removed.
4173 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
4174 extend_bb): New static functions to support extension of scheduler's
4176 (generate_recovery_code, process_insn_depend_be_in_spec,
4177 begin_speculative_block, add_to_speculative_block,
4178 init_before_recovery, create_recovery_block, create_check_block_twin,
4179 fix_recovery_deps): New static functions to support
4180 generation of recovery code.
4181 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
4182 restore_bb_notes, move_block_after_check, move_succs): New static
4183 functions to support ebb scheduling.
4184 (init_glat, init_glat1, attach_life_info1, free_glat): New static
4185 functions to support handling of register live information.
4186 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
4187 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
4188 add_jump_dependencies): New static functions.
4189 (check_cfg, has_edge_p, check_sched_flags): New static functions for
4190 consistancy checking.
4191 (debug_spec_status): New function to call from debugger.
4192 (priority): Added code to handle speculation checks.
4193 (rank_for_schedule): Added code to distinguish speculative instructions.
4194 (schedule_insn): Added code to handle speculation checks.
4195 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
4196 Fixed to handle ebbs.
4197 (move_insn): Added code to handle ebb scheduling.
4198 (max_issue): Added code to use ISSUE_POINTS of instructions.
4199 (choose_ready): Added code to choose between speculative and
4200 non-speculative instructions.
4201 (schedule_block): Added code to handle ebb scheduling and scheduling of
4202 speculative instructions.
4203 (sched_init): Initialize new variables.
4204 (sched_finish): Free new variables. Print statistics.
4205 (try_ready): Added code to handle speculative instructions.
4206 * lists.c (copy_DEPS_LIST_list): New function.
4207 * sched-deps.c (extend_dependency_caches): New function. Move logic
4208 from create_dependency_caches to here.
4209 (get_dep_weak, ds_merge): Make global.
4210 * genattr.c (main): Code to output prototype for
4211 dfa_clear_single_insn_cache.
4212 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
4213 (output_dfa_clean_insn_cache_func): Code to output
4214 dfa_clear_single_insn_cache function.
4215 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
4217 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
4219 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
4220 New static variables.
4221 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
4222 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
4224 (ebb_sched_info): Initialize new fields.
4225 (get_block_head_tail): Adjust all uses.
4226 (compute_jump_reg_dependencies): Fixed to use glat_start.
4227 (schedule_ebb): Code to remove unreachable last block.
4228 (schedule_ebbs): Added code to update register live information.
4229 * sched-rgn.c (region_sched_info): Initialize new fields.
4230 (get_block_head_tail): Adjust all uses.
4231 (last_was_jump): Removed. Adjust users.
4232 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
4233 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
4234 Implement new hooks.
4235 (check_dead_notes1): New static function.
4236 (struct region): New fields: dont_calc_deps, has_real_ebb.
4237 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
4238 (BB_TO_BLOCK): Fixed to handle EBBs.
4239 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
4240 (ebb_head): New static variable.
4241 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
4242 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
4244 (compute_dom_prob_ps): New assertion.
4245 (check_live_1, update_live_1): Fixed to work with glat_start instead of
4246 global_live_at_start.
4247 (init_ready_list): New assertions.
4248 (can_schedule_ready_p): Split update code to begin_schedule_ready.
4249 (new_ready): Add support for BEGIN_CONTROL speculation.
4250 (schedule_insns): Fixed code that updates register live information
4252 (schedule_region): Fixed to handle EBBs.
4253 (init_regions): Use extend_regions and check_dead_notes1.
4254 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
4255 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
4256 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
4257 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
4258 TARGET_SCHED_GEN_CHECK,
4259 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
4260 TARGET_SCHED_SET_SCHED_FLAGS): Document.
4261 * doc/invoke.texi (max-sched-insn-conflict-delay,
4262 sched-spec-prob-cutoff): Document.
4264 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4266 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
4267 inter_tick, queue_index.
4268 (struct sched_info): Change signature of init_ready_list field.
4269 Adjust all initializations.
4270 (RESOLVED_DEPS): New access macro.
4271 (ready_add): Remove prototype.
4272 (try_ready): Add prototype.
4273 * sched-rgn.c (init_ready_list): Use try_ready.
4274 (schedule_region): Initialize
4275 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
4276 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
4277 (init_ready_list): Use try_ready.
4278 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
4279 * lists.c (remove_list_elem): Remove `static'.
4280 (remove_free_INSN_LIST_elem): New function.
4281 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
4282 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
4283 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
4285 (readyp): New variable.
4286 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
4287 change_queue_index, resolve_dep): New static functions.
4288 (try_ready): New function. Adjust callers in sched-rgn.c and
4289 sched-ebb.c to use it instead of ready_add.
4290 (clock_var): Move at the begining of file.
4291 (rank_for_schedule): Fix typo.
4292 (queue_insn): Add assertion. Handle QUEUE_INDEX.
4293 (ready_lastpos): Enforce assertion.
4294 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
4296 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
4297 (schedule_insn): Rewrite to use try_ready and resolve_dep.
4298 (queue_to_ready): Use free_INSN_LIST_list.
4299 (early_queue_to_ready): Fix typo.
4300 (schedule_block): Init readyp. Move init_ready_list call after the
4301 initialization of clock_var. Fix error in rejecting insn by
4302 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
4303 that previously corrected INSN_TICKs. Add code for handling
4305 (set_priorities): Fix typo.
4306 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
4307 Clarify comment and code that keeps current_sched_info->next_tail
4310 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4312 * sched-rgn.c (extend_rgns): New static function.
4313 (find_rgns): Use it.
4314 (gather_region_statistics, print_region_statistics): New static
4316 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
4317 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4319 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4320 Andrey Belevantsev <abel@ispras.ru>
4322 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
4323 * lists.c (unused_deps_list): New variable.
4324 (free_list): Add assertions to verify the proper distinguishing
4325 between INSN_LISTs and DEPS_LISTs.
4326 (find_list_elem, remove_list_elem, remove_list_node): New static
4328 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
4329 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
4330 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
4331 (alloc_INSN_LIST): Assert that the list we're working on is indeed
4333 (free_INSN_LIST_node): Likewise.
4334 * modulo-sched.c (current_sched_info): Initialize flags field.
4335 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
4336 * rtl.def (DEPS_LIST): Define.
4337 * rtl.h: Declare new functions from lists.c.
4338 * sched-deps.c (spec_dependency_cache): New static variable.
4339 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
4340 (add_dependence): Change return type to void. Move the logic to ...
4341 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
4342 (delete_all_dependences): Add comment about forward_dependency_cache.
4343 Handle spec_dependency_cache. Handle DEPS_LISTs.
4344 (fixup_sched_groups): Clarify the change of priority of output
4345 and anti dependencies.
4346 (sched_analyze_2): Adjust add_dependence calls to create data
4347 speculative dependence.
4348 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
4349 Adjust all callers. Handle DEPS_LISTS.
4350 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
4351 presence of speculation.
4352 (init_dependency_caches, free_dependency_caches):
4353 Handle spec_dependency_cache.
4354 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
4355 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
4356 New static functions.
4357 (add_or_update_back_dep, add_or_update_back_forw_dep,
4358 add_back_forw_dep, delete_back_forw_dep): New functions.
4359 * sched-int.h (ds_t, dw_t): New typedefs.
4360 (struct sched_info): Add new field flags.
4361 (struct haifa_insn_data): Add new bitfield has_internal_dep.
4362 Prototype new sched-deps.c functions.
4363 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
4364 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
4365 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
4366 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
4367 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
4368 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
4370 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
4372 * sched-rgn.c (current_sched_info): Initialize flags field.
4373 (schedule_insns): Initialize current_sched_info before the sched_init
4375 * sched-ebb.c (current_sched_info): Initialize flags field.
4376 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
4377 Call add_or_update_back_dep instead of add_dependence.
4378 Create control speculative dependencies.
4379 (schedule_insns): Initialize current_sched_info before the sched_init
4382 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
4384 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
4386 (sh_fallback_frame_state): Likewise.
4388 2006-03-15 Geoffrey Keating <geoffk@apple.com>
4390 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
4391 Do switch on default_use_cxa_atexit.
4392 (powerpc*-*-darwin*): Build crt2.o on powerpc.
4393 * config/darwin-crt3.o: New.
4394 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
4395 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
4396 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
4398 * config/rs6000/t-darwin: Move crt2.o building to here.
4399 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
4400 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
4403 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4405 * config/vax/vax.c (nonindexed_address_p): Change logical negation
4406 from '! xxx' to '!xxx' for coding-style conformance.
4407 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
4408 (EXTRA_CONSTRAINT): Likewise.
4409 * config/vax/vax.md (four unnamed insns): Likewise.
4411 2006-03-15 Paul Brook <paul@codesourcery.com>
4413 * config/arm/arm.c (minipool_pad): New.
4414 (add_minipool_forward_ref): Include pool alignment padding in address
4416 (push_minipool_fix): Set minipool_pad.
4417 (minipool_pad): Ditto.
4419 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
4421 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
4422 instead of GET_CODE() == MEM and REG_P() instead of
4424 (print_operand_address): Likewise.
4425 (vax_address_cost): Likewise.
4426 (vax_rtx_costs): Likewise.
4427 (vax_notice_update_cc): Likewise.
4428 (vax_output_int_add): Likewise.
4429 (INDEX_REGISTER_P): Likewise.
4430 (BASE_REGISTER_P): Likewise.
4431 (nonindexed_address_p): Likewise.
4432 (vax_mode_dependent_address_p): Likewise.
4433 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
4434 (PRINT_OPERAND): Likewise.
4435 * config/vax/vax.md (ashlsi3): Likewise.
4436 (ashlsi3): Likewise.
4437 (some more unnamed insns): Likewise.
4439 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
4441 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
4442 iterator-style macro.
4443 (mark_control_dependent_edges_necessary): Update the use of
4444 EXECUTE_IF_CONTROL_DEPENDENT.
4446 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
4448 * config/sh/predicates.md (cache_address_operand): Special.
4449 (ua_address_operand): Likewise.
4451 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4453 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
4455 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
4457 2006-03-15 Andreas Schwab <schwab@suse.de>
4459 * gensupport.c (identify_predicable_attribute): Don't free p_false
4460 when it is still in use.
4462 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4464 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
4465 the default setting here.
4467 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
4469 * tree-pass.h (pass_cfg): Remove.
4470 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
4471 * passes.c (pass_cfg): Don't run it.
4473 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
4475 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
4476 * reg-stack.c (stack_regs_mentioned_data): Change the type to
4478 (stack_regs_mentioned): Update the uses of
4479 stack_regs_mentioned_data. Don't access the array beyond its
4481 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
4482 Don't include gt-reg-stack.h.
4484 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
4485 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
4487 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
4490 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
4493 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4495 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
4497 2006-03-14 Richard Guenther <rguenther@suse.de>
4499 PR tree-optimization/26672
4500 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
4503 2006-03-14 Richard Guenther <rguenther@suse.de>
4505 PR tree-optimization/26667
4506 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
4507 node for the callees. Always allow inlining if it will shrink
4510 2006-03-14 Richard Guenther <rguenther@suse.de>
4513 * builtins.c (get_pointer_alignment): Prefer alignment
4514 information from decls over that from types.
4516 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
4519 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
4521 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
4523 * config/rs6000/rs6000.opt (mdlmzb): New option.
4524 (msched-prolog, msched-epilog): Use Var not Mask.
4525 * doc/invoke.texi (-mdlmzb): Document.
4526 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
4528 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
4529 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
4531 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
4533 PR rtl-optimization/25739
4534 * bt-load.c (augment_live_range): Free tos pointer.
4536 * gensupport.c (identify_predicable_attribute): Free
4538 * gcov.c (create_file_names): Free name pointer.
4540 2006-03-13 Roger Sayle <roger@eyesopen.com>
4543 * stmt.c (emit_case_nodes): Handle the case where the index is a
4544 CONST_INT, where the comparison mode is specified by the index type.
4546 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4548 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
4551 2006-03-13 Richard Sandiford <richard@codesourcery.com>
4553 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
4554 (*branch_fp_inverted): Likewise.
4556 2006-03-13 Jakub Jelinek <jakub@redhat.com>
4559 * omp-low.c (expand_omp_for_generic): Mark istart0
4560 and iend0 as addressable.
4562 2006-03-13 Jie Zhang <jie.zhang@analog.com>
4564 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
4566 2006-03-13 Jeff Law <law@redhat.com>
4568 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
4569 virtual operands are interesting.
4570 (vrp_visit_stmt): Corresponding changes.
4572 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
4574 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
4576 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
4577 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
4578 * config/bfin/crti.S: Use it instead of __PIC__.
4579 * config/bfin/crtn.S: Likewise.
4581 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
4582 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
4584 Lose 'G' modifier for call operand.
4585 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
4586 recognize 'G' modifier.
4588 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
4591 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
4592 * stmt.c (expand_case): Likewise.
4594 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4596 PR rtl-optimization/26254
4597 * loop-invariant.c (seq_insns_valid_p): New function.
4598 (move_invariant_reg): Only emit new code if it is valid.
4600 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4602 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
4604 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
4605 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
4606 (commit_one_edge_insertion): Do not look for loop notes.
4608 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4610 * jump.c (follow_jumps): Do not check for loop notes. Move check for
4611 flag_test_coverage out of loop.
4613 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4615 * final.c (shorten_branches): Remove outdated comment, and turn
4616 the if branch that guards it to continue.
4618 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
4620 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
4621 * cfgloop.h (struct loop): Remove unused fields.
4623 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
4625 * doc/invoke.texi (-fdump-rtl-loop): Remove.
4626 (-dL, -fdump-rtl-loop2): Update the dump file names
4628 * doc/invoke.texi: Update dump file names.
4630 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
4632 * predict.c (estimate_probability): Remove.
4633 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
4634 * basic-block.h (estimate_probability): Remove prototype.
4635 * passes.c (finish_optimization_passes): Dump branch prediction or
4636 profiling heuristics to the .profile tree dump.
4637 (init_optimization_passes): Unqueue pass_branch_prob.
4639 * doc/invoke.texi (-fdump-rtl-bp): Remove.
4641 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4643 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
4644 * rtl.h (LABEL_NEXTREF): Remove field accessor.
4646 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
4648 * function.h (frame_offset_overflow): Declare.
4649 * function.c (frame_offset_overflow): New function.
4650 (assign_stack_local_1): Call it to detect that the offset overflows.
4651 * cfgexpand.c (alloc_stack_frame_space): Likewise.
4653 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
4655 * config/sh/sh.c: Include alloc-pool.h.
4656 (label_ref_list_pool): New alloc pool.
4657 (label_ref_list_t): New type for lists of labels.
4658 (struct pool_node): Make wend a label_ref_list_t.
4659 (add_constant): Use the new type, eradicate LABEL_NEXTREF
4661 (dump_table): Likewise.
4662 (sh_reorg): Set up the alloc pool before using add_constant and
4663 dump_table, and destroy it when finishing.
4665 2006-03-11 Richard Sandiford <richard@codesourcery.com>
4667 * config/mips/mips.c: Remove redundant comment.
4669 2006-03-10 Jason Merrill <jason@redhat.com>
4672 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
4673 the target was declared 'register'.
4675 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
4677 * genpreds.c (write_insn_constraint_len): Change definition of
4678 insn_constraint_len to return size_t to match the declaration.
4680 2006-03-10 DJ Delorie <dj@redhat.com>
4682 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
4684 (m32c_expand_insv): Fix test for an AND mask.
4686 2006-03-10 Richard Guenther <rguenther@suse.de>
4689 * builtins.c (get_pointer_alignment): Handle component
4690 references for field alignment.
4692 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4694 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
4695 when building with libgloss.
4696 (sh*elf): Implement --without-fp option.
4697 (sh64-superh-linux*): Don't multilib.
4699 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
4701 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
4703 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
4705 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
4706 Set it when one of the replacement functions returned true.
4707 Return TODO_cleanup_cfg if cfgchanged is true.
4708 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
4710 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
4712 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
4713 instead of gen_lowpart.
4715 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4717 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
4719 (mips_output_order_conditional_branch): Declare.
4720 * config/mips/mips.h (MIPS_BRANCH): New macro.
4721 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
4722 for the comparison. Use gen_condjump.
4723 (mips_output_conditional_branch): Rework interface to take the
4724 asm templates for a direct branch and the inverse of a direct branch.
4725 (mips_output_order_conditional_branch): New function.
4726 (mips_builtin_branch_and_move): New function.
4727 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
4728 branch condition. Use gen_single_cc as the condition for
4729 __builtin_mips_upper_* or __builtin_mips_lower_*.
4730 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
4731 Use VOIDmode for the branch condition.
4732 * config/mips/predicates.md (order_operator): New predicate.
4733 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
4734 (branch_fp): Rename to...
4735 (*branch_fp): ...this. Remove mode from comparison operator.
4736 Use new mips_output_conditional_branch interface.
4737 (branch_fp_inverted): Rename to...
4738 (*branch_fp_inverted): ...this and update as for *branch_fp.
4739 (*branch_zero<mode>): Rename to...
4740 (*branch_order<mode>): ...this. Remove mode from comparison operator.
4741 Use mips_output_order_conditional_branch. Only accept ordered
4743 (*branch_zero<mode>_inverted): Rename to...
4744 (*branch_order<mode>_inverted): ...this and update as for
4745 *branch_order<mode>.
4746 (*branch_equality<mode>): Accept zero as the second operand to
4747 the equality operator. Use the new mips_output_conditional_branch
4749 (*branch_equality<mode>_inverted): Likewise.
4750 (condjump): New expander.
4751 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
4753 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
4754 (bc1any2t, bc1any2f): Likewise.
4755 (single_cc): New expander.
4756 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
4758 2006-03-09 Richard Sandiford <richard@codesourcery.com>
4760 * doc/md.texi: Update documentation of MIPS constraints.
4761 * config/mips/constraints.md: New file.
4762 * config/mips/mips.md: Include it.
4763 * config/mips/mips.c (mips_char_to_class): Delete.
4764 (override_options): Don't initialize mips_char_to_class.
4765 * config/mips/mips.h (mips_char_to_class): Delete.
4766 (REG_CLASS_FROM_LETTER): Delete.
4767 (CONST_OK_FOR_LETTER_P): Delete.
4768 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
4769 (EXTRA_CONSTRAINT_Y): Delete.
4770 (EXTRA_CONSTRAINT_STR): Delete.
4771 (CONSTRAINT_LEN): Delete.
4772 (EXTRA_MEMORY_CONSTRAINT): Delete.
4774 2006-03-09 Diego Novillo <dnovillo@redhat.com>
4776 * tree-cfg.c (move_block_to_fn): Remove the statements from the
4777 original fn's eh regions.
4779 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
4781 * fold-const.c (build_range_check): Make sure to use a valid type to
4782 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
4785 (range_predecessor): New static function.
4786 (range_successor): Likewise.
4787 (merge_ranges): Use them to compute predecessors and successors of
4790 2006-03-09 Roger Sayle <roger@eyesopen.com>
4793 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
4794 X op C3, consider whether C3 overflows towards +Inf or -Inf.
4796 2006-03-08 DJ Delorie <dj@redhat.com>
4798 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
4799 (addpsi3): Expand to include memory operands. Remove
4800 reload-specific splits.
4801 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
4802 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
4803 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
4804 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
4805 (shift1_qi, shift1_hi, insv): New.
4806 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
4807 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
4808 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
4810 * config/m32c/m32c-protos.h: Update as needed.
4811 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
4812 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
4813 Fail for unrecognized R* constraints.
4814 (m32c_cannot_change_mode_class): Be more picky about pseudos.
4815 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
4816 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
4818 (m32c_init_libfuncs): New.
4819 (m32c_legitimate_address_p): Add debug wrapper.
4820 (m32c_rtx_costs): New.
4821 (m32c_address_cost): New.
4822 (conversions): Add 'B' prefix.
4823 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
4824 operands, or word regnames for QI operands. 'B' prints bit
4826 (m32c_expand_setmemhi): New.
4827 (m32c_expand_movmemhi): New.
4828 (m32c_expand_movstr): New.
4829 (m32c_expand_cmpstr): New.
4830 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
4831 (m32c_expand_neg_mulpsi3): Handle non-ints.
4832 (m32c_cmp_flg_0): New.
4833 (m32c_expand_movcc): New.
4834 (m32c_expand_insv): New.
4835 (m32c_scc_pattern): New.
4836 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
4837 a0/a1 out of SIregs.
4838 (STORE_FLAG_VALUE): New.
4839 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
4842 * config/m32c/mov.md: Make constraints more liberal.
4843 (zero_extendqihi2): Optimize r0/r1 case.
4844 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
4845 * config/m32c/predicates.md (m32c_any_operand): New.
4846 (m32c_nonimmediate_operand): New.
4847 (m32c_hl_operand): New.
4848 (m32c_r3_operand): New.
4851 (memsym_operand): New.
4852 (memimmed_operand): New.
4853 (a_qi_operand): New.
4854 (m32c_eqne_operator): New.
4855 (m32c_1bit8_operand): New.
4856 (m32c_1bit16_operand): New.
4857 (m32c_1mask8_operand): New.
4858 (m32c_1mask16_operand): New.
4859 * config/m32c/blkmov.md: New file.
4860 * config/m32c/t-m32c (MD_FILES): Add blkmov.
4862 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
4864 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
4865 unsigned to fix signed/unsigned comparison issue in
4866 DWARF2_FRAME_REG_OUT.
4867 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
4868 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
4870 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
4871 of ptr into the ENABLE_CHECKING section.
4873 2006-03-08 Jeff Law <law@redhat.com>
4875 * tree-vrp.c (infer_value_range): Only count pointer uses
4876 and dereferences if -fdelete-null-pointer-checks is enabled.
4878 * tree-vrp.c (find_assert_locations): Infer value ranges for
4879 single use pointers, but do not create ASSERT_EXPRs for them.
4880 When a non-null range is inferred for a pointer, backwards
4881 propagate that range to other equivalent pointers through the
4884 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
4887 * Makefile.in (dvi, html, install-info): Invoke the corresponding
4888 language hook targets.
4889 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
4890 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
4891 if language hook targets were missing.
4893 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
4895 * tree-ssa-opfinalize.h: Removed.
4896 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
4898 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
4899 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
4900 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
4901 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
4902 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
4903 finalize_ssa_v_must_def_ops): New.
4905 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
4907 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
4910 2006-03-07 Geoffrey Keating <geoffk@apple.com>
4912 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
4914 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
4915 addresses with offsets; reorganize.
4917 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
4918 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
4919 (expand_builtin_init_dwarf_reg_sizes): Likewise.
4921 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
4924 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
4926 2006-03-08 Ben Elliston <bje@au.ibm.com>
4928 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
4930 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
4933 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
4936 2006-03-07 Richard Guenther <rguenther@suse.de>
4938 PR tree-optimization/26587
4939 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
4941 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4943 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
4945 2006-03-07 Richard Sandiford <richard@codesourcery.com>
4947 * hooks.c (hook_bool_mode_rtx_true): New function.
4948 * hooks.h (hook_bool_mode_rtx_true): Declare.
4949 * toplev.c (compile_file): Call output_shared_constant_pool.
4950 * varasm.c (shared_constant_pool): New variable.
4951 (assemble_start_function, assemble_end_function): Remove arguments
4952 from call to output_constant_pool.
4953 (create_constant_pool): New function, split out from...
4954 (init_varasm_status): ...here.
4955 (force_const_mem): Choose between the shared and per-function constant
4956 pools. Set current_function_uses_const_pool when reusing old entries
4957 as well as when creating new ones.
4958 (mark_constant): Ignore data argument.
4959 (mark_constants): Remove pool argument.
4960 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
4961 to decide whether the function uses a constant pool.
4962 (output_constant_pool_contents): New function, split out from...
4963 (output_constant_pool): ...here.
4964 (output_shared_constant_pool): New function.
4965 (init_varasm_once): Initialize shared_constant_pool.
4966 * output.h (output_constant_pool): Delete.
4967 (output_shared_constant_pool): Declare.
4968 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
4969 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
4971 2006-03-06 Nick Clifton <nickc@redhat.com>
4973 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
4974 flag_strength_reduce.
4976 2006-03-06 Ben Elliston <bje@au.ibm.com>
4978 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
4979 x86_64-*-linux* configurations.
4981 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
4982 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
4984 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
4986 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
4988 * basic-block.h: Remove the extern for
4989 rediscover_loops_after_threading.
4991 * cfgloop.c (cancel_loop): Make it static.
4992 * cfgloop.h: Remove the prototype for cancel_loop.
4994 * flow.c (recompute_reg_usage): Make it static.
4995 * rtl.h: Remove the prototype for recompute_reg_usage.
4997 * function.c (use_return_register): Make it static.
4998 * function.h: Remove the prototype.
5000 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5002 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
5004 * recog.h: Remove the prototype for
5005 validate_change_maybe_volatile.
5007 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5009 * rtlanal.c (replace_reg): Remove.
5010 * rtl.h: Remove the prototype for replace_reg.
5012 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
5014 * regclass.c (reg_scan_update): Remove.
5015 (reg_scan_mark_refs): Remove the last argument.
5016 * rtl.h: Remove the prototype for reg_scan_update.
5018 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5020 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
5021 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
5022 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
5023 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
5024 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
5025 loop-invariant.c, omp-low.c, opts.c, passes.c,
5026 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
5027 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
5028 tree-ssa-structalias.c, tree-ssa-threadedge.c,
5029 tree-ssa-threadupdate.c, tree-vect-patterns.c,
5030 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
5031 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
5033 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5035 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
5036 * dwarf2out.h: Remove the prototype for
5037 dwarf2out_add_library_unit_info.
5039 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5041 * tree.c (add_var_to_bind_expr): Remove.
5042 * tree.h: Remove the prototype for add_var_to_bind_expr.
5044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5046 * regclass.c (n_non_fixed_regs): Remove.
5047 (init_reg_sets_1, globalize_reg): Remove all uses of
5049 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
5051 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5053 * rtlanal.c (insns_safe_to_move_p): Remove.
5054 * rtl.h: Remove the prototype for insns_safe_to_move_p.
5056 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
5058 * expmed.c (expand_mult_add): Remove.
5059 * expr.h: Remove the prototype for expand_mult_add.
5061 2006-03-04 Jakub Jelinek <jakub@redhat.com>
5063 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
5064 and REG_SAVED_VAL_EXP constants.
5065 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
5066 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
5067 Handle regs stored by value.
5068 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
5069 (execute_cfa_program): Handle DW_CFA_val_offset,
5070 DW_CFA_val_offset_sf and DW_CFA_val_expression.
5071 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
5072 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
5073 (uw_install_context_1): Handle target regs stored by value.
5075 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
5077 * tree-sra.c (tree_sra): Return todoflags;
5078 (generate_one_element): Set TODO_update_smt_usage if needed.
5079 (pass_sra): Remove TODO_update_smt_usage.
5080 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
5082 (tree_ssa_forward_propagate_single_use_vars): Return
5083 TODO_update_smt_usage if we need to update SMT usage.
5084 (pass_forwprop): Remove TODO_update_smt_usage.
5086 2006-03-03 Diego Novillo <dnovillo@redhat.com>
5088 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
5089 (correct_use_link): Remove reference to get_stmt_operands.
5090 (update_stmt_operands): Likewise.
5091 (get_modify_expr_operands): New function factored out of
5092 parse_ssa_operands and get_expr_operands.
5093 Try to create V_MUST_DEFs for LHS by default.
5094 (get_expr_operands) <case MODIFY_EXPR>: Call
5095 get_modify_expr_operands.
5096 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
5097 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
5098 (parse_ssa_operands) <case MODIFY_EXPR>: Call
5099 get_modify_expr_operands.
5101 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
5103 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
5104 * tree-flow.h: Remove the prototype for
5105 referenced_var_lookup_if_exists.
5107 2006-03-03 Steve Ellcey <sje@cup.hp.com>
5109 PR rtl-optimization/26345
5111 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
5113 2006-03-03 Roger Sayle <roger@eyesopen.com>
5115 PR tree-optimization/26524
5116 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
5117 fold_convert to create a constant of the appropriate type.
5119 2006-03-03 Richard Sandiford <richard@codesourcery.com>
5121 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5122 SYMBOL_REF_IN_BLOCK_P.
5123 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
5124 of SYMBOL_FLAG_IN_BLOCK.
5125 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
5126 instead of SYMBOL_REF_IN_BLOCK_P.
5127 * explow.c (use_anchored_address): Likewise.
5128 * rtl.c (rtx_size): Likewise.
5129 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
5130 instead of SYMBOL_FLAG_IN_BLOCK.
5131 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5132 SYMBOL_REF_IN_BLOCK_P.
5133 (assemble_variable): Likewise.
5134 (output_constant_def_contents): Likewise.
5135 (output_constant_pool): Likewise.
5136 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
5137 instead of SYMBOL_FLAG_IN_BLOCK.
5138 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5139 SYMBOL_REF_IN_BLOCK_P.
5140 (SYMBOL_REF_BLOCK): Likewise.
5141 (SYMBOL_REF_OFFSET): Likewise.
5142 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
5143 SYMBOL_REF_IN_BLOCK_P.
5144 (SYMBOL_FLAG_IN_BLOCK): Replace with...
5145 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
5146 (SYMBOL_REF_IN_BLOCK_P): Replace with...
5147 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
5149 2006-03-03 Jakub Jelinek <jakub@redhat.com>
5151 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
5153 2006-03-02 Roger Sayle <roger@eyesopen.com>
5155 * simplify-rtx.c (simplify_unary_operation): When simplifying
5156 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
5157 that we perform the right shift in the appropriate mode, and
5158 then extend or truncate the result to requested mode.
5160 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
5162 * gengtype.c (main): Handle double_int type.
5163 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
5164 * double-int.c: New file.
5165 * double-int.h: New file.
5166 * system.h: Include doubleint.h.
5167 * Makefile.in (SYSTEM_H): Include double-int.h.
5168 (double-int.o): Add.
5170 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
5173 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
5176 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5178 * tree-vrp.c (remove_range_assertions): Do not update statements
5181 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5183 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
5185 * gcse.c (rest_of_handle_gcse): Ditto.
5186 * except.c (gate_handle_eh): Ditto.
5187 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
5188 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
5190 2006-03-02 Eric Christopher <echristo@apple.com>
5192 * config/i386/i386.c (machopic_output_stub): Add indirection to
5195 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
5199 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
5201 Sun Niagara specific optimizations.
5202 * config.gcc: Recognize niagara as target.
5203 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
5204 (TARGET_CPU_niagara): Define.
5205 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
5206 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
5207 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5208 (ASM_CPU_SPEC): Likewise.
5209 (PROCESSOR_NIAGARA): New enum entry.
5210 (REGISTER_MOVE_COST): Handle Niagara.
5211 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
5212 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
5213 (sparc_override_options): Recognize "niagara", set appropriate
5214 default MASK_* values for it, and align functions to 32-bytes
5215 by default just like ULTRASPARC/ULTRASPARC3.
5216 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
5217 (sparc64_initialize_trampoline): Likewise.
5218 (sparc_use_sched_lookahead): Use zero for niagara.
5219 (sparc_issue_rate): Use one for niagara.
5220 * config/sparc/niagara.md: New file.
5221 * config/sparc/sparc.md: Include it.
5222 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
5223 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
5224 when default cpu is niagara.
5225 (CPP_CPU_SPEC): Handle -mcpu=niagara.
5226 (ASM_CPU_SPEC): Likewise.
5227 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
5228 when default cpu is niagara.
5229 (ASM_CPU_SPEC): Handle -mcpu=niagara.
5230 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
5231 just like v9/ultrasparc/ultrasparc3.
5232 * doc/invoke.texi: Add documentation for "niagara" and improve
5233 existing documentation for ultrasparc variants.
5235 2006-03-02 Diego Novillo <dnovillo@redhat.com>
5237 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
5239 2006-03-02 Richard Sandiford <richard@codesourcery.com>
5241 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
5242 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
5243 and say that only one is needed.
5244 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
5245 * target.h (have_switchable_bss_sections): New hook.
5246 * explow.c (use_anchored_address): Check that the symbol is in a block.
5247 * varasm.c (tls_comm_section, comm_section, lcomm_section)
5248 (bss_noswitch_section): New variables.
5249 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
5250 (get_noswitch_section): New function.
5251 (get_block_for_section): Allow SECT to be null.
5252 (unlikely_text_section_p): Use SECTION_STYLE.
5253 (bss_initializer_p): New function.
5254 (get_variable_section): Move earlier in file. Take a new argument,
5255 prefer_noswitch_p. Move bss checks from assemble_variable to here.
5256 Return one of the new *_sections in such cases.
5257 (get_block_for_decl): New function, extracting some logic from
5258 use_blocks_for_decl_p.
5259 (change_symbol_section): Remove in favor of...
5260 (change_symbol_block): ...this new function.
5261 (use_blocks_for_decl_p): Remove checks now performed by
5263 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
5264 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
5265 (emit_local, emit_bss, emit_common): ...these new functions.
5266 Return true if the alignment was honored.
5267 (emit_tls_common): New function.
5268 (asm_emit_uninitialised): Delete.
5269 (assemble_variable_noswitch): New function, split out from...
5270 (assemble_variable): ...here. Don't make decisions about common
5271 variables here. Globalize all public decls that go into non-common
5272 sections. Check whether SYMBOL_REF_BLOCK is null.
5273 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
5274 (output_constant_pool): Likewise.
5275 (init_varasm_once): Initialize the new section variables.
5276 (have_global_bss_p): New function.
5277 (categorize_decl_for_section): Use bss_initializer_p.
5278 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
5279 (place_block_symbol): Assert that the symbol must be in a block.
5280 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
5281 (TARGET_INITIALIZER): Include it.
5282 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
5283 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
5284 (SECTION_MACH_DEP): Bump by two.
5285 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
5286 (unnamed_section): Mention SECTION_UNNAMED in comment.
5287 (named_section): Likewise SECTION_NAMED.
5288 (noswitch_section_callback): New type.
5289 (noswitch_section): New structure.
5290 (section): Add a noswitch_section alternative.
5291 (SECTION_STYLE): New macro.
5292 (tls_comm_section, comm_section, lcomm_section): Declare.
5293 (bss_noswitch_section, have_global_bss_p): Declare.
5294 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5295 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5297 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
5298 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
5301 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
5303 * tree-vrp.c (execute_vrp): Return value.
5304 * regrename.c (rest_of_handle_regrename): Ditto.
5305 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
5306 * tree-complex.c (tree_lower_complex): Ditto.
5307 (tree_lower_complex_O0): Ditto.
5308 * tracer.c (rest_of_handle_tracer): Ditto.
5309 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
5310 * postreload.c (rest_of_handle_postreload): Ditto.
5311 * tree-tailcall.c (execute_tail_recursion): Ditto.
5312 (execute_tail_calls): Ditto.
5313 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5314 * tree.h (init_function_for_compilation): Ditto.
5315 * ipa-cp.c (ipcp_driver): Ditto.
5316 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5317 * tree-scalar-evolution.h (scev_const_prop): Ditto.
5318 * final.c (compute_alignments): Ditto.
5319 (rest_of_handle_final): Ditto.
5320 (rest_of_handle_shorten_branches): Ditto.
5321 (rest_of_clean_state): Ditto.
5322 * omp-low.c (execute_expand_omp): Ditto.
5323 (execute_lower_omp): Ditto.
5324 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
5325 * ipa-reference.c (static_execute): Ditto.
5326 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
5327 * reorg.c (rest_of_handle_delay_slots): Ditto.
5328 (rest_of_handle_machine_reorg): Ditto.
5329 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
5330 * flow.c (recompute_reg_usage): Ditto.
5331 (rest_of_handle_remove_death_notes): Ditto.
5332 (rest_of_handle_life): Ditto.
5333 (rest_of_handle_flow2): Ditto.
5334 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
5335 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
5336 (do_ssa_store_ccp): Ditto.
5337 (execute_fold_all_builtins): Ditto.
5338 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
5339 * modulo-sched.c (rest_of_handle_sms): Ditto.
5340 * ipa-pure-const.c (static_execute): Ditto.
5341 * cse.c (rest_of_handle_cse): Ditto.
5342 (rest_of_handle_cse2): Ditto.
5343 * web.c (rest_of_handle_web): Ditto.
5344 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
5345 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
5346 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
5347 * tree-nrv.c (tree_nrv): Ditto.
5348 (execute_return_slot_opt): Ditto.
5349 * tree-ssa-alias.c (compute_may_aliases): Ditto.
5350 (create_structure_vars): Ditto.
5351 * loop-init.c (rtl_loop_init): Ditto.
5352 (rtl_loop_done): Ditto.
5353 (rtl_move_loop_invariants): Ditto.
5354 (rtl_unswitch): Ditto.
5355 (rtl_unroll_and_peel_loops): Ditto.
5356 (rtl_doloop): Ditto.
5357 * gimple-low.c (lower_function_body): Ditto.
5358 (mark_used_blocks): Ditto.
5359 * tree-ssa-sink.c (execute_sink_code): Ditto.
5360 * ipa-inline.c (cgraph_decide_inlining): Ditto.
5361 (cgraph_early_inlining): Ditto.
5362 * global.c (rest_of_handle_global_alloc): Ditto.
5363 * jump.c (cleanup_barriers): Ditto.
5364 (purge_line_number_notes): Ditto.
5365 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
5366 (rest_of_handle_if_after_reload): Ditto.
5367 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
5368 (tree_ssa_loop_im): Ditto.
5369 (tree_ssa_loop_unswitch): Ditto.
5370 (tree_vectorize): Ditto.
5371 (tree_linear_transform): Ditto.
5372 (tree_ssa_loop_ivcanon): Ditto.
5373 (tree_ssa_empty_loop): Ditto.
5374 (tree_ssa_loop_bounds): Ditto.
5375 (tree_complete_unroll): Ditto.
5376 (tree_ssa_loop_prefetch): Ditto.
5377 (tree_ssa_loop_ivopts): Ditto.
5378 (tree_ssa_loop_done): Ditto.
5379 * predict.c (tree_estimate_probability): Ditto.
5380 * recog.c (split_all_insns_noflow): Ditto.
5381 (rest_of_handle_peephole2): Ditto.
5382 (rest_of_handle_split_all_insns): Ditto.
5383 * tree-eh.c (lower_eh_constructs): Ditto.
5384 * regmove.c (rest_of_handle_regmove): Ditto.
5385 (rest_of_handle_stack_adjustments): Ditto.
5386 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
5387 * function.c (instantiate_virtual_regs): Ditto.
5388 (init_function_for_compilation): Ditto.
5389 (rest_of_handle_check_leaf_regs): Ditto.
5390 * gcse.c (rest_of_handle_jump_bypass): Ditto.
5391 (rest_of_handle_gcse): Ditto.
5392 * ipa-type-escape.c (type_escape_execute): Ditto.
5393 * alias.c (rest_of_handle_cfg): Ditto.
5394 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5395 * profile.c (rest_of_handle_branch_prob): Ditto.
5396 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
5397 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
5398 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
5399 * tree-dfa.c (find_referenced_vars): Ditto.
5400 * except.c (set_nothrow_function_flags): Ditto.
5401 (convert_to_eh_region_ranges): Ditto.
5402 (rest_of_handle_eh): Ditto.
5403 * emit-rtl.c (unshare_all_rtl): Ditto.
5404 (remove_unnecessary_notes): Ditto.
5405 * except.h (set_nothrow_function_flags): Ditto.
5406 (convert_to_eh_region_ranges): Ditto.
5407 * cfgexpand.c (tree_expand_cfg): Ditto.
5408 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
5409 * tree-ssa-pre.c (do_pre): Ditto.
5410 (execute_fre): Ditto.
5411 * cfgcleanup.c (rest_of_handle_jump): Ditto.
5412 (rest_of_handle_jump2): Ditto.
5413 * tree-sra.c (tree_sra): Ditto.
5414 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
5415 (execute_mudflap_function_decls): Ditto.
5416 * tree-ssa-copy.c (do_copy_prop): Ditto.
5417 (do_store_copy_prop): Ditto.
5418 * ipa-prop.h (ipcp_driver): Ditto.
5419 * cfglayout.c (insn_locators_initialize): Ditto.
5420 * tree-ssa-forwprop.c
5421 (tree_ssa_forward_propagate_single_use_vars): Ditto.
5422 * cfglayout.h (insn_locators_initialize): Ditto.
5423 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
5424 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
5425 (execute_late_warn_uninitialized): Ditto.
5426 * rtl.h (cleanup_barriers): Ditto.
5427 (split_all_insns_noflow): Ditto.
5428 (purge_line_number_notes): Ditto.
5429 (unshare_all_rtl): Ditto.
5430 (remove_unnecessary_notes): Ditto.
5431 (recompute_reg_usage): Ditto.
5432 (variable_tracking_main): Ditto.
5433 * integrate.c (emit_initial_value_sets): Ditto.
5434 * integrate.h (emit_initial_value_sets): Ditto.
5435 * tree-optimize.c (execute_free_datastructures): Ditto
5436 (execute_free_cfg_annotations): Ditto.
5437 (execute_fixup_cfg): Ditto.
5438 (execute_cleanup_cfg_pre_ipa): Ditto.
5439 (execute_cleanup_cfg_post_optimizing): Ditto.
5440 (execute_init_datastructures): Ditto.
5441 * tree-object-size.c (compute_object_sizes): Ditto.
5442 * combine.c (rest_of_handle_combine): Ditto.
5443 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
5444 * bb-reorder.c (duplicate_computed_gotos): Ditto.
5445 (rest_of_handle_reorder_blocks): Ditto.
5446 (rest_of_handle_partition_blocks): Ditto.
5447 * var-tracking.c (variable_tracking_main): Ditto.
5448 * tree-profile.c (tree_profiling): Ditto.
5449 * tree-vect-generic.c (expand_vector_operations): Ditto.
5450 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
5451 * sched-rgn.c (rest_of_handle_sched): Ditto.
5452 (rest_of_handle_sched2): Ditto.
5453 * basic-block.h (free_bb_insn): Ditto.
5454 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
5455 * tree-cfg.c (execute_build_cfg): Ditto.
5456 (remove_useless_stmts): Ditto.
5457 (split_critical_edges): Ditto.
5458 (execute_warn_function_return): Ditto.
5459 (execute_warn_function_noreturn): Ditto.
5460 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
5461 * cfgrtl.c (free_bb_for_insn): Ditto.
5462 * passes.c (execute_one_pass): Run additional
5463 todos returned by execute function.
5464 * tree-pass.h (struct tree_opt_pass): Make execute
5467 2006-03-02 Richard Guenther <rguenther@suse.de>
5469 * tree-ssa-alias.c (find_used_portions): Consider taking
5470 the address as making the variable not write-only.
5472 2006-03-02 Nick Clifton <nickc@redhat.com>
5474 * config.gcc (default_use_cxa_atexit): Extend the description of
5475 this configure variable. Set its default value to "yes" for
5476 Linux, NetBSD and ELF targets on the assumption that they will
5477 use C libraries with the __cxa_atexit function.
5479 2006-03-02 Ben Elliston <bje@au.ibm.com>
5481 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
5482 parameter as unused to suppress a build warning.
5484 2006-03-02 Ben Elliston <bje@au.ibm.com>
5486 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
5489 2006-03-01 Roger Sayle <roger@eyesopen.com>
5492 * gthr-posix.h (__gthrw2): Define to take three parameters, the
5493 declared name, the weak reference name, and the typeof name.
5494 (__gthrw): Avoid expanding the declared name suffix.
5495 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
5497 2006-03-01 Jakub Jelinek <jakub@redhat.com>
5499 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
5501 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
5502 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
5503 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
5504 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
5505 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
5506 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
5507 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
5508 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
5509 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
5510 DW_DS_leading_separate, DW_DS_trailing_separate): New.
5511 (DW_END_default, DW_END_big, DW_END_little): New.
5512 (DW_END_lo_user, DW_END_hi_user): Define.
5513 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
5514 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
5515 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
5518 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5520 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
5522 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
5524 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
5526 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
5528 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
5529 to 'symbol_mem_tag'.
5531 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
5534 2006-03-01 Roger Sayle <roger@eyesopen.com>
5536 * builtins.c (fold_builtin_copysign): Delete unreachable code.
5538 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5541 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
5542 MACHO_DYNAMIC_NO_PIC_P.
5543 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
5545 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5548 * config/darwin-protos.h (darwin_asm_output_anchor):
5550 * config/darwin-sections.def (cstring_section):
5551 Add SECTION_MERGE to the flags.
5552 (literal4_section): Likewise.
5553 (literal8_section): Likewise.
5554 (objc_selector_refs_section): Likewise.
5555 (objc_cls_refs_section): Likewise.
5556 * config/darwin.c (darwin_asm_output_anchor): New
5558 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5560 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
5562 Fix PR tree-optimization/26443
5563 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
5564 to todo and PROP_tmt_usage to properties_destroyed.
5565 * tree-ssa-ccp.c (pass_ccp): Ditto.
5566 (pass_store_ccp): Ditto.
5567 * tree-ssa-dom.c (pass_dominator): Ditto.
5569 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5571 * tree-ssa-operands.c: Cleanup whitespace.
5572 (get_asm_expr_operands): Move before first invocation.
5573 (get_indirect_ref_operands): Likewise.
5574 (get_tmr_operands): Likewise.
5575 (get_call_expr_operands): Likewise.
5576 (append_def): Likewise.
5577 (append_use): Likewise.
5578 (append_v_may_def): Likewise.
5579 (append_v_must_def): Likewise.
5580 (add_call_clobber_ops): Likewise.
5581 (add_call_read_ops): Likewise.
5582 (add_stmt_operand): Likewise.
5583 (add_virtual_operand): Likewise.
5584 (build_ssa_operands): Likewise.
5586 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
5591 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
5592 with a call expr to ...
5593 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
5595 2006-03-01 Diego Novillo <dnovillo@redhat.com>
5597 * tree-vrp.c (extract_range_from_assert): Remove special
5598 handling for types with super-types.
5600 2006-03-01 Ben Elliston <bje@au.ibm.com>
5602 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
5603 and powerpc64-*-linux* configurations.
5604 * config/t-dfprules: New file.
5606 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
5607 Compile dfp-bit.c from the source directory using -DWIDTH and
5608 $DFP_CFLAGS to control the compilation of that file, rather than
5609 generating width-specific versions in the build directory.
5610 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
5611 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
5613 2006-02-28 Zack Weinberg <zackw@panix.com>
5615 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
5618 2006-02-28 Eric Christopher <echristo@apple.com>
5620 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
5621 Set up IN_LIBGCC definition of TARGET_64BIT.
5622 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
5624 2006-02-28 Roger Sayle <roger@eyesopen.com>
5627 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
5628 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
5629 cases via the construction of "expr != 0".
5631 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
5633 * alias.c (alias_invariant, alias_invariant_size): Remove.
5634 (record_base_value): Remove.
5635 (memrefs_conflict_p): Don't look at alias_invariant.
5636 (end_alias_analysis): Don't free it.
5637 * alias.h (record_base_value): Remove prototype.
5639 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
5640 Adam Nemet <anemet@caviumnetworks.com>
5642 * rtl.h (truncated_to_mode): Declare it.
5643 (struct rtl_hooks): Add reg_truncated_to_mode hook.
5644 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
5645 (RTL_HOOKS_INITIALIZER): Include it.
5646 * rtlhooks.c (reg_truncated_to_mode_general): New function.
5647 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
5648 reg_truncated_to_mode.
5649 * rtlanal.c (truncated_to_mode): Define it.
5650 * simplify-rtx.c (simplify_unary_operation_1): Use it.
5652 2006-02-28 Jeff Law <law@redhat.com>
5654 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
5655 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
5656 the range allowed by TYPE_PRECISION.
5658 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
5660 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
5662 PR tree-optimization/26419
5663 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
5666 2006-02-27 Zack Weinberg <zackw@panix.com>
5668 * doc/md.texi: Fix typo in previous change.
5670 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
5674 2006-02-27 Zack Weinberg <zackw@panix.com>
5676 * rtl.def (define_constraint, define_register_constraint)
5677 (define_memory_constraint, define_address_constraint): New MD forms.
5678 * gensupport.c (process_rtx): Put define_constraint etc on the
5680 * genpreds.c (process_define_predicate): Adjust comment. Validate
5681 the name, and call validate_exp to validate the expression.
5682 (mark_mode_tests, write_extract_subexp): Can assume correct input.
5683 (write_predicate_expr): Likewise. NAME argument no longer necessary;
5684 all callers changed.
5685 (validate_exp, needs_variable, struct constraint_data)
5686 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
5687 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
5688 (const_dbl_constraints, constraint_max_namelen)
5689 (have_register_constraints, have_memory_constraints)
5690 (have_address_constraints, have_address_constraints)
5691 (have_extra_constraints, have_const_int_constraints)
5692 (have_const_dbl_constraints, mangle, add_constraint)
5693 (process_define_constraint, process_define_register_constraint)
5694 (write_enum_constraint_num, write_lookup_constraint)
5695 (write_insn_constraint_len, write_regclass_for_constraint)
5696 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
5697 (write_insn_extra_memory_constraint)
5698 (write_insn_extra_address_constraint)
5699 (write_satisfies_constraint_fns): New.
5700 (write_tm_preds_h): If we have new-style constraint definitions,
5701 prototype the functions generated from them, and define the
5702 old constraint interface (still used by generic code) in terms of
5704 (write_insn_preds_c): If we have new-style constraint definitions,
5705 generate all relevant functions from those definitions.
5706 (main): Handle define_constraint etc.
5707 * genoutput.c (struct constraint_data, indep_constraints)
5708 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
5709 (mdep_constraint_len): New data structures and functions, defined
5710 #ifdef USE_MD_CONSTRAINTS.
5711 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
5712 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
5713 use new logic to validate operand constraints against constraint
5715 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
5717 * defaults.h: If none of the old-style constraint macros are
5718 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
5719 old-style macros; and poison REG_CLASS_FROM_LETTER,
5720 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
5722 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
5723 * doc/md.texi: Document new constraint-definition mechanism and the
5724 C interface it provides. Remove references to old mechanism
5725 elsewhere in the document.
5726 (Machine Constraints): Use pathnames relative to gcc directory,
5727 i.e. config/ARCH/FILE. Change i386 section to refer to
5728 config/i386/predicates.md; update that section to match docstrings.
5729 * doc/tm.texi: Move all documentation of the old constraint-
5730 definition macros to their own section, clearly mark as obsolete.
5732 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
5733 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
5735 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
5736 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
5737 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
5739 (splits and peepholes): Use satisfies_constraint_*.
5740 * config/i386/i386.c (memory_address_length)
5741 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
5743 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5745 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
5746 scalar operation to be put back into the loop.
5748 2006-02-27 Jakub Jelinek <jakub@redhat.com>
5751 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
5752 (extract_cie_info): Handle S flag in augmentation string.
5753 (execute_cfa_program): If context->signal_frame, execute also
5754 fs->pc == context->ra instructions.
5755 (uw_frame_state_for): If context->signal_frame, don't subtract one
5756 from context->ra to find FDE.
5757 (uw_update_context_1): Set context->signal_frame to
5759 (_Unwind_GetIPInfo): New function.
5760 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
5761 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
5763 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
5764 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
5765 * unwind-compat.c (_Unwind_GetIPInfo): New function.
5766 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
5767 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
5768 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
5769 * config/i386/linux-unwind.h (x86_fallback_frame_state,
5770 x86_64_fallback_frame_state): Set fs->signal_frame.
5771 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
5772 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
5773 (frob_update_context): Likewise. Workaround missing S flag in
5774 Linux 2.6.12 - 2.6.16 kernel vDSOs.
5775 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
5776 Remove the psw_addr + 1 hack.
5778 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
5780 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
5781 with aggregates here.
5782 (find_func_aliases): Remove code for &<aggregate> from here.
5784 2006-02-26 Roger Sayle <roger@eyesopen.com>
5786 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
5787 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
5788 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
5791 2006-02-26 Roger Sayle <roger@eyesopen.com>
5794 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
5796 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
5798 * opts.c (decode_options): Do not handle flag_strength_reduce.
5799 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
5800 and OPT_fstrength_reduce.
5801 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
5802 flag_prefetch_loop_arrays for being nonzero.
5803 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
5805 (fprefetch-loop-arrays-rtl): Removed.
5806 (flag_prefetch_loop_arrays): Do not specify the value.
5808 * doc/passes.texi: Update documentation of loop optimizer
5810 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
5811 -frerun-loop-opt): Remove.
5813 2006-02-26 Richard Guenther <rguenther@suse.de>
5815 PR tree-optimization/26421
5816 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
5817 in function calls that are ADDR_EXPRs as using the whole structure.
5819 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
5821 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
5822 * tree-pass.h (pass_loop_optimize): Remove.
5823 * passes.c (pass_loop_optimize): Never run it.
5824 * toplev.c (backend_init): Don't call init_loop.
5825 * opts.c (flag_loop_optimize_set): Remove.
5826 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
5827 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
5828 the old RTL loop optimizer when profiling enabled.
5829 * predict.c (tree_estimate_probability): Always strip builtin_expect.
5830 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
5831 pre-headers for the sake of the old RTL loop optimizer.
5832 * Makefile.in: Remove all references to loop.o.
5834 * doc/invoke.texi: Remove all references to -floop-optimize
5835 and -frerun-loop-opt.
5837 2006-02-26 Zack Weinberg <zackw@panix.com>
5839 * doc/md.texi (Machine Constraints): Refer to all files with paths
5840 relative to gcc directory (i.e. config/CPU/file). Add missing
5841 @table @code ... @end table to M32C subsection.
5843 2006-02-26 Roger Sayle <roger@eyesopen.com>
5845 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
5847 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
5849 2006-02-26 Roger Sayle <roger@eyesopen.com>
5850 James A. Morrison <phython@gcc.gnu.org>
5853 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
5854 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
5855 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
5856 signedness of the shift operation.
5858 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
5860 PR tree-optimization/26359
5861 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
5863 2006-02-25 Roger Sayle <roger@eyesopen.com>
5865 * simplify-rtx.c (simplify_relational_operation_1): Simplify
5866 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
5867 as X == 0, and some symmetry related transformations.
5868 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
5870 2006-02-25 Roger Sayle <roger@eyesopen.com>
5873 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
5874 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
5875 symmetry related transformations. Fold (X^C1) == C2 as
5878 2006-02-25 Juergen Weigert <jw@suse.de>
5879 Richard Guenther <rguenther@suse.de>
5881 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
5883 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
5885 * combine.c (gen_lowpart_or_truncate): Call
5886 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
5888 2006-02-24 Diego Novillo <dnovillo@redhat.com>
5890 * doc/invoke.texi: Move -fopenmp description to "Options for
5892 Remove reference to -lgomp.
5894 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5896 * doc/install.texi: Require GNU tar version 1.14.
5898 2006-02-24 Geoffrey Keating <geoffk@apple.com>
5900 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
5901 * doc/invoke.texi (C++ Dialect Options): Document
5902 -fno-use-cxa-get-exception-ptr.
5903 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
5904 * configure: Regenerate.
5905 * c.opt (fuse-cxa-get-exception-ptr): New.
5906 * c-opts.c (c_common_handle_option): Handle
5907 OPT_fuse_cxa_get_exception_ptr.
5908 * c-common.c (flag_use_cxa_atexit): Update documentation.
5909 (flag_use_cxa_get_exception_ptr): New.
5910 * c-common.h (flag_use_cxa_get_exception_ptr): New.
5911 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
5913 (C_COMMON_OVERRIDE_OPTIONS): New.
5915 2006-02-24 Roger Sayle <roger@eyesopen.com>
5918 * combine.c (try_combine): Explicitly check whether GET_CODE is
5919 a SET or a CLOBBER, instead on checking that it isn't a USE.
5921 2006-02-24 Roger Sayle <roger@eyesopen.com>
5923 * fold-const.c (fold_comparison): New subroutine of fold_binary
5924 containing transformations common to both the equality and
5925 ordering relational operators, factored out of fold_binary.
5926 (fold_binary): Separate out the equality operators (EQ_EXPR
5927 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
5928 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
5929 transformations common to both.
5930 (fold_div_compare): Fix latent bugs in the previously unreachable
5931 LT_EXPR and GE_EXPR cases.
5933 2006-02-24 David Edelsohn <edelsohn@gnu.org>
5935 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
5936 decl libname for clog to __clog on AIX.
5938 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
5940 2006-02-24 Alan Modra <amodra@bigpond.net.au>
5943 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
5944 output traceback table for thunks. Localise rs6000_stack_info call.
5946 2006-02-23 Roger Sayle <roger@eyesopen.com>
5947 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5949 * gthr-posix.h (__gthrw): Fix typo in comment.
5951 2006-02-23 Geoffrey Keating <geoffk@apple.com>
5953 * doc/cpp.texi (Character sets): Document that we do support
5954 input files to be in any character set.
5956 2006-02-23 Jeff Law <law@redhat.com>
5958 * tree.h (PHI_ARG_NONZERO): Remove.
5959 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
5960 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
5961 node to the new node.
5963 PR tree-optimization/26425
5964 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
5965 min/max, then assume its varying.
5967 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5969 PR rtl-optimization/26316
5970 * rtlanal.c (enum may_trap_p_flags): New.
5971 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
5972 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
5973 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
5974 (may_trap_after_code_motion_p): New function.
5975 * loop-invariant.c (find_identical_invariants): Fix dump formating.
5976 (find_invariant_insn): Use may_trap_after_code_motion_p.
5977 * rtl.h (may_trap_after_code_motion_p): Declare.
5979 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
5981 * emit-rtl.c (immed_double_const): Cleanup.
5983 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
5985 Fix PR tree-optimization/26376
5986 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
5989 2006-02-23 Jakub Jelinek <jakub@redhat.com>
5992 * gimplify.c (omp_add_variable): Guard variable size decl test with
5993 DECL_SIZE (decl) check.
5995 2006-02-23 Richard Guenther <rguenther@suse.de>
5998 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
5999 like aggregate types.
6001 2006-02-23 Jakub Jelinek <jakub@redhat.com>
6003 * configure.ac: Add --with{,out}-long-double-128 configure option.
6004 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
6005 * configure: Rebuilt.
6006 * config.in: Rebuilt.
6007 * doc/install.texi (Options specification): Document
6008 --with-long-double-128.
6010 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6011 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6012 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
6013 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
6015 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
6017 * config/s390/s390.c (override_options): Handle
6018 TARGET_DEFAULT_LONG_DOUBLE_128.
6020 * config/alpha/alpha.c (override_options): Handle
6021 TARGET_DEFAULT_LONG_DOUBLE_128.
6023 * config/sparc/sparc.c (sparc_override_options): Handle
6024 TARGET_DEFAULT_LONG_DOUBLE_128.
6026 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
6028 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
6029 (real-install-headers-tar, real-install-headers-cpio)
6030 (real-install-headers-cp): New targets.
6032 2006-02-22 Richard Sandiford <richard@codesourcery.com>
6034 * tree.h (variable_section): Delete.
6035 * varasm.c (variable_section): Delete.
6037 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
6039 * install.texi: Add notes on install.texi2html.
6040 (Building in parallel): Do not use footnotes.
6042 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
6045 * doc/install.texi (Configuration): Document --disable-libgomp.
6047 2006-02-21 Geoffrey Keating <geoffk@apple.com>
6049 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
6051 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6053 * config/i386/sse.md (vec_extractv2df_1_sse): New.
6054 (vec_extractv2df_0_sse): New.
6056 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
6058 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
6059 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
6060 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
6061 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
6062 to the result of the expression.
6063 (def_cfa_1): Adjust.
6064 (frame_pointer_cfa_offset): Rename to...
6065 (frame_pointer_fb_offset): ... this. Adjust all uses.
6066 (convert_cfa_to_loc_list): Rename to...
6067 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
6068 Pass it on to build_cfa_loc.
6069 (compute_frame_pointer_to_cfa_displacement): Rename to...
6070 (compute_frame_pointer_to_fb_displacement): ... this. New
6071 offset parameter. Use it in computation.
6072 (gen_subprogram_die): Compute cfa_fb_offset with the new
6073 macro, and use it to compute the fb loc list and the
6076 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
6078 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
6079 replaced with register_operand.
6080 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
6081 non-DREG is expensive.
6082 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
6083 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
6086 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
6088 * doc/install.texi2html: Use set -e.
6090 2006-02-21 Richard Sandiford <richard@codesourcery.com>
6092 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6093 (ASM_OUTPUT_SHARED_LOCAL): Delete.
6094 * doc/invoke.texi (-fshared-data): Delete.
6095 * common.opt (fshared-data): Delete.
6096 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
6097 (assemble_static_space): Remove #if 0 code.
6098 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
6099 (ASM_OUTPUT_SHARED_LOCAL): Poison.
6100 * config/cris/cris.h: Remove FIXME.
6102 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
6104 * doc/sourcebuild.texi (Front End Directory): No more double-colon
6107 2006-02-21 Jakub Jelinek <jakub@redhat.com>
6110 * combine.c (simplify_shift_const_1): Disable nested shifts
6111 optimization for vector shifts.
6113 2006-02-20 Roger Sayle <roger@eyesopen.com>
6115 PR tree-optimization/26361
6116 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
6117 of unsigned integer types.
6119 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
6121 * tree-chrec.c (eq_evolutions_p): New.
6122 * tree-chrec.h (eq_evolutions_p): Declared.
6123 * tree-data-ref.c: Fix formatting.
6124 (datadep_stats, dependence_stats): New.
6126 (print_direction_vector): New.
6127 (dump_data_dependence_relation): Use print_direction_vector.
6128 (object_analysis, create_data_ref): Handle COMPONENT_REF.
6129 (compute_subscript_distance): Static.
6130 (initialize_data_dependence_relation): Static. Get the number
6131 of loops surrounding the references from the callers, and initialize
6132 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
6133 base_object_differ_p analyzers.
6134 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
6135 compute_overlap_steps_for_affine_1_2,
6136 analyze_subscript_affine_affine): Count the classified dependences.
6137 Print a message when a test failed.
6138 (can_use_analyze_subscript_affine_affine): New.
6139 (analyze_siv_subscript): Compute the data dependences on symbolic
6140 scevs that verify can_use_analyze_subscript_affine_affine.
6141 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
6142 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
6143 Handle symbolic scevs.
6144 (analyze_overlapping_iterations): Let symbolic affine scevs to be
6146 (subscript_dependence_tester): Moved...
6147 (build_classic_dist_vector, build_classic_dir_vector): Don't use
6148 lambda_vector_clear on newly allocated vectors. Get nb_loops from
6149 DDR_SIZE_VECT instead of getting it in parameter.
6150 (subscript_dependence_tester): ... here. Take as a parameter
6151 loop_nest_depth. Call build_classic_dist_vector and
6152 build_classic_dir_vector.
6153 (compute_affine_dependence): Update subscript_dependence_tester
6154 parameters. Update datadep_stats counters. Call
6155 compute_subscript_distance.
6156 (compute_self_dependence): Save the dist and dir vectors. Call
6157 compute_subscript_distance.
6158 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
6159 (compute_all_dependences): Reorder parameters as they were before
6160 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
6161 compute_subscript_distance. Update the use of
6162 compute_affine_dependence and initialize_data_dependence_relation.
6163 (find_data_references_in_loop): Handle COMPONENT_REF.
6164 (compute_data_dependences_for_loop): Initialize dependence_stats.
6165 Don't call build_classic_dist_vector and build_classic_dir_vector.
6166 Update the parameters of initialize_data_dependence_relation and
6167 compute_all_dependences. Print the statistics from datadep_stats.
6168 (analyze_all_data_dependences): Static. Not used until the pass for
6169 checking the data dependences is contributed.
6170 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
6171 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
6172 (initialize_data_dependence_relation, compute_affine_dependence,
6173 analyze_all_data_dependences, compute_subscript_distance): Removed.
6174 (print_direction_vector): New.
6175 * lambda.h (gcd): ... here.
6176 (lambda_vector_gcd): Moved here from gcd_vector.
6177 * lambda-code.c (gcd, gcd_vector): Removed.
6178 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
6179 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
6181 2006-02-20 Diego Novillo <dnovillo@redhat.com>
6183 * ipa-type-escape.c: Tidy some comments and white space.
6184 * tree-ssa-operands.c: Likewise.
6186 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
6189 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
6190 (dump_decl_name): Do not walk the decl tree chains.
6191 * tree-pass.h (TDF_CHAIN): Remove.
6193 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6195 * Makefile.in (C): Remove
6197 (.PHONY): Remove C and PROTO
6199 2006-02-20 Roger Sayle <roger@eyesopen.com>
6202 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
6203 deprecated CHAR_TYPE tree code.
6205 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6207 * configure.ac (target_list): Add install-info, dvi, html.
6208 * configure: Regenerate.
6210 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
6211 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
6212 treelang/Make-lang.in: Do not use double-colon rules.
6214 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
6216 * tree.h (struct tree_memory_tag): Add is_used_alone member.
6217 (TMT_USED_ALONE): New macro.
6218 * tree-pass.h (PROP_tmt_usage): New property.
6219 (TODO_update_tmt_usage): New todo.
6220 * tree-ssa-alias.c (updating_used_alone): New variable.
6221 (recalculate_used_alone): New function.
6222 (compute_may_aliases): Set updating_used_alone, call
6223 recalculate_used_alone.
6224 * tree-sra.c (pass_sra): Note that this pass destroys
6225 PROP_tmt_usage, and add TODO_update_tmt_usage.
6226 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
6227 * tree-flow.h (updating_used_alone): Prototype.
6228 (recalculate_used_alone): Ditto.
6229 * passes.c (execute_todo): Add code to set updating_used_alone,
6230 and call recalculate.
6231 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
6232 for clobber if used alone, and add assert to verify used_alone
6235 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
6237 * config/s390/s390.c (legitimize_pic_address): Assertions checking
6238 for non tls symbols added.
6239 (legitimize_address): Do nothing for PLUS expressions if one of the
6240 addends is a tls symbol reference.
6242 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
6246 * Makefile.in (LDFLAGS): Define from autoconf substitution.
6248 * Makefile.in (BOOTSTRAPPING): New.
6249 (quickstrap): New definition if BOOTSTRAPPING=yes.
6251 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
6252 * configure.ac: Substitute all_selected_languages with the languages
6253 that were configured. For all the other variables except
6254 lang_specs_files, include all the languages in the tree.
6255 * configure: Regenerate.
6257 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
6258 if there is one. Run the commands to run fixincludes in the same
6261 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
6262 * doc/install.texi: Document exact conventions for searching target tools.
6263 Document --with-build-time-tools. Document toplevel bootstrap. Document
6264 something more about building an Ada cross-compiler. Don't list GNU Make
6265 requirements which affect all platforms.
6267 2006-02-19 Roger Sayle <roger@eyesopen.com>
6270 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
6271 only equivalent if the have both the same mode and precision.
6273 2006-02-20 Ben Elliston <bje@au.ibm.com>
6275 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
6277 2006-02-19 Roger Sayle <roger@eyesopen.com>
6278 Steven Bosscher <stevenb.gcc@gmail.com>
6280 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
6281 constant pool references to identify stack mode constants.
6282 * rtlanal.c (constant_pool_constant_p): New predicate to check
6283 whether operand is a floating point constant in the pool.
6284 * rtl.h (constant_pool_constant_p): Prototype here.
6285 * loop.c (scan_loop): Avoid hoisting constants from the constant
6286 pool on STACK_REGS targets.
6287 (load_mems): Likewise.
6288 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
6289 loads into x87 registers expensive in terms of register pressure.
6291 2006-02-19 Roger Sayle <roger@eyesopen.com>
6293 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
6294 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
6296 2006-02-19 David Edelsohn <edelsohn@gnu.org>
6298 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
6299 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
6301 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
6303 * doc/invoke.texi: Document -fipa-pta.
6304 * common.opt: Add ipa-pta option.
6305 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
6306 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
6307 (do_ds_constraint): Ditto.
6308 (get_constraint_for): Only add to referenced_vars if
6309 referenced_vars exists.
6310 (insert_into_field_list): Rewrite to do this unsorted.
6311 (insert_into_field_list_sorted): Rename old insert_into_field_list
6313 (create_function_info_for): Use insert_into_field_list_sorted.
6314 (create_variable_info_for): Rewrite so it uses unsorted version,
6315 since the field list is sorted.
6316 (intra_create_variable_infos): Only add to referenced_vars if
6317 referenced_vars exists.
6318 (ipa_pta_execute): Init heapvars, and delete when done.
6319 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
6321 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6323 * doc/install.texi: Add missing `@samp'.
6325 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6327 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
6330 2006-02-18 Mark Wielaard <mark@klomp.org>
6332 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
6333 who added new 4.1 features, bug fixes and integration support.
6335 2006-02-18 David Edelsohn <edelsohn@gnu.org>
6338 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
6341 2006-02-18 Richard Sandiford <richard@codesourcery.com>
6343 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
6344 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
6345 (copy_insn_1): Likewise. Don't copy each field individually.
6347 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
6349 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
6350 * rtl.c (rtx_size): Rename variable to...
6351 (rtx_code_size): ...this.
6352 (rtx_size): New function.
6353 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
6354 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
6356 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
6357 * rtl.h (rtx_code_size): New variable.
6358 (rtx_size): Change from a variable to a function.
6359 (RTX_SIZE): Rename to...
6360 (RTX_CODE_SIZE): ...this.
6363 PR tree-optimization/17106
6364 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
6365 (Anchored Addresses): New section.
6366 * doc/invoke.texi (-fsection-anchors): Document.
6367 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
6368 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
6369 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
6370 * hooks.c (hook_bool_mode_rtx_false): New function.
6371 * hooks.h (hook_bool_mode_rtx_false): Declare.
6372 * gengtype.c (create_optional_field): New function.
6373 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
6374 SYMBOL_REF_IN_BLOCK_P is true.
6375 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
6376 (min_anchor_offset, max_anchor_offset): Likewise.
6377 (use_anchors_for_symbol_p): New hook.
6378 * toplev.c (compile_file): Call output_object_blocks.
6379 (target_supports_section_anchors_p): New function.
6380 (process_options): Check that -fsection-anchors is only used on
6381 targets that support it and when -funit-at-a-time is in effect.
6382 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
6383 if the decl doesn't have one.
6384 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
6385 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
6386 of force_const_mem through use_anchored_address.
6387 (expand_expr_constant): New function.
6388 (expand_expr_addr_expr_1): Call it. Use the same modifier when
6389 calling expand_expr for INDIRECT_REF.
6390 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
6391 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
6392 * expr.h (use_anchored_address): Declare.
6393 * loop-unroll.c: Don't declare rtx vectors here.
6394 * explow.c: Include output.h.
6395 (validize_mem): Call use_anchored_address.
6396 (use_anchored_address): New function.
6397 * common.opt (-fsection-anchors): New switch.
6398 * varasm.c (object_block_htab, anchor_labelno): New variables.
6399 (hash_section, object_block_entry_eq, object_block_entry_hash)
6400 (use_object_blocks_p, get_block_for_section, create_block_symbol)
6401 (use_blocks_for_decl_p, change_symbol_section): New functions.
6402 (get_variable_section): New function, split out from assemble_variable.
6403 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
6404 use_blocks_for_decl_p say so. Use change_symbol_section if the
6405 symbol has already been created.
6406 (assemble_variable_contents): New function, split out from...
6407 (assemble_variable): ...here. Don't output any code for
6408 block symbols; just pass them to place_block_symbol.
6409 Use get_variable_section and assemble_variable_contents.
6410 (get_constant_alignment, get_constant_section, get_constant_size): New
6411 functions, split from output_constant_def_contents.
6412 (build_constant_desc): Create a block symbol if use_object_blocks_p
6413 says so. Or into SYMBOL_REF_FLAGS.
6414 (assemble_constant_contents): New function, split from...
6415 (output_constant_def_contents): ...here. Don't output any code
6416 for block symbols; just pass them to place_section_symbol.
6417 Use get_constant_section and get_constant_alignment.
6418 (force_const_mem): Create a block symbol if use_object_blocks_p and
6419 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
6420 (output_constant_pool_1): Add an explicit alignment argument.
6421 Don't switch sections here.
6422 (output_constant_pool): Adjust call to output_constant_pool_1.
6423 Switch sections here instead. Don't output anything for block symbols;
6424 just pass them to place_block_symbol.
6425 (init_varasm_once): Initialize object_block_htab.
6426 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
6427 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
6428 (place_block_symbol, get_section_anchor, output_object_block)
6429 (output_object_block_htab, output_object_blocks): New functions.
6430 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
6431 (TARGET_ASM_OUT): Include it.
6432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
6433 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
6434 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
6435 (TARGET_INITIALIZER): Include them.
6436 * rtl.c (rtl_check_failed_block_symbol): New function.
6437 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
6438 (block_symbol, object_block): New structures.
6439 (rtx_def): Add a block_symbol field to the union.
6440 (BLOCK_SYMBOL_CHECK): New macro.
6441 (rtl_check_failed_block_symbol): Declare.
6442 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
6443 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
6444 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
6445 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
6446 * output.h (output_section_symbols): Declare.
6447 (object_block): Name structure.
6448 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
6449 (default_use_anchors_for_symbol_p): Declare.
6450 * Makefile.in (RTL_BASE_H): Add vec.h.
6451 (explow.o): Depend on output.h.
6452 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
6453 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
6454 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
6455 (rs6000_use_blocks_for_constant_p): New function.
6457 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6459 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
6461 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
6464 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
6467 2006-02-18 Diego Novillo <dnovillo@redhat.com>
6469 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
6473 2006-02-18 Jakub Jelinek <jakub@redhat.com>
6476 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
6477 instead of DECL_REGISTER.
6479 2006-02-18 Olivier Hainque <hainque@adacore.com>
6482 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
6484 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
6487 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
6488 * opth-gen.awk: Handle Var and InverseMask together.
6489 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
6490 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
6491 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
6492 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
6494 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6496 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
6497 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6498 LINUX_DYNAMIC_LINKER): Define.
6499 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
6500 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
6502 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6503 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
6504 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6505 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6506 (TARGET_C99_FUNCTIONS): Don't define.
6507 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
6508 GLIBC_DYNAMIC_LINKER.
6509 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
6510 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
6511 GLIBC_DYNAMIC_LINKER64): Define.
6512 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6513 LINUX_DYNAMIC_LINKER64.
6514 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6515 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6516 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
6517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6518 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6519 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6520 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
6521 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
6522 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
6523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
6524 and LINUX_DYNAMIC_LINKER32.
6525 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6527 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
6528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6529 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
6531 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
6532 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
6533 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
6534 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6535 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6536 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
6537 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
6538 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
6539 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6540 LINUX_DYNAMIC_LINKER): Define.
6541 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
6542 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
6543 GLIBC_DYNAMIC_LINKER64): Define.
6544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
6545 LINUX_DYNAMIC_LINKER64.
6546 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6547 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6548 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
6549 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
6550 LINUX_DYNAMIC_LINKER): Define.
6551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6552 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6553 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
6554 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
6555 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
6556 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
6557 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
6558 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
6559 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
6560 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6561 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6562 * doc/invoke.texi (-muclibc): Remove caveat about supported
6565 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
6567 * doc/cpp.texi (__TIMESTAMP__): Document.
6569 2006-02-17 Roger Sayle <roger@eyesopen.com>
6572 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
6573 C is one less than the width of X (and related transformations).
6574 * simplify-rtx.c (simplify_unary_operation_1): Transform
6575 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
6576 depending on STORE_FLAG_VALUE, were C is one less then the
6579 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
6581 Fix PR tree-optimization/26341
6582 * tree-ssa-operands.c (add_virtual_operand): Remove assert
6583 about NAME_MEMORY_TAG's.
6585 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6588 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
6589 with hardware float support, and software float support. Add fcpy
6590 alternative to hardware patterns. Add alternatives to copy between
6591 general and floating-point registers to the 32-bit pattern.
6592 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
6593 secondary reload to load a QI or HI mode constant into a floating
6595 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
6596 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
6598 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
6601 * config/rs6000/darwin.md (load_macho_picbase_si): Add
6603 (load_macho_picbase_di): Likewise.
6605 2006-02-16 Jeff Law <law@redhat.com>
6607 * tree-vrp.c (set_value_range_to_nonnegative): New function.
6608 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
6609 (ssa_name_nonzero_p): Likewise.
6610 (get_value_range): Return NULL if VRP is not running.
6611 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
6612 VRP routines do not discover a range.
6613 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
6614 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
6615 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
6616 (tree_expr_nonnegative_p): Similarly.
6617 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
6618 (restore_nonzero_vars_to_original_value): Remove.
6619 (unsafe_associative_fp_binop): Remove.
6620 (tree_ssa_dominator_optimize): Remove initialization and
6621 finalization of nonzero_vars and nonzero_vars_stack.
6622 (dom_opt_initialize_block): No longer push marker on
6624 (dom_opt_finalize_block): No longer call
6625 restore_nonzero_vars_to_original_value.
6626 (record_equivalences_from_phis): No longer look for
6627 nonzero PHI arguments.
6628 (cprop_into_successor_phis): No longer propagate nonzero
6629 property into PHI arguments. Lose unused argument. Caller
6631 (record_equivalences_from_stmt): No longer record nonzero
6632 values for SSA_NAMEs.
6633 (lookup_avail_expr): No longer use nonzero_vars.
6635 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
6636 for sizetype when sizetype is unsigned.
6638 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
6640 PR rtl-optimization/25603
6641 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
6642 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
6643 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
6644 with new meaning of SETS.
6646 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
6651 * config/linux.opt: New file.
6652 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
6653 LINUX_DYNAMIC_LINKER): Define.
6654 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
6655 * config.gcc (*-*-linux*): Define extra_options.
6656 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
6657 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
6658 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
6659 GLIBC_DYNAMIC_LINKER.
6660 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
6661 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6662 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
6663 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
6664 * doc/invoke.texi (GNU/Linux Options): New section.
6666 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6668 * config/sparc/sparc.md (setjmp): Rewrite.
6669 (setjmp_32): Delete.
6670 (setjmp_64): Likewise.
6672 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
6674 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
6677 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6679 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
6682 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
6684 PR rtl-optimization/26296
6685 * Makefile.in (loop-invariant.c): Add except.h dependency.
6686 * loop-invariant.c: Include except.h.
6687 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
6689 2005-02-16 Paul Brook <paul@codesourcery.com>
6691 * reload1.c (emit_reload_insns): Invalidate dead input registers used
6694 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
6696 PR rtl-optimization/25636
6697 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
6698 when deciding whether an insn is an initializing insn.
6700 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
6702 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
6703 (tree_code_size): Ditto.
6704 * tree.h (struct tree_memory_tag): Remove parent_var.
6705 (struct tree_struct_field_tag): New.
6708 (union tree_node): Add sft member.
6709 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
6711 (create_sft): Add size and offset argument, set SFT_OFFSET and
6713 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
6714 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
6715 * tree-flow-inline.h (get_subvar_at): Update for
6716 SFT_OFFSET/SFT_SIZE.
6717 (var_can_have_subvars): Ditto.
6718 (overlap_subvar): Ditto.
6719 * print-tree.c (print_node): Print out interesting things for
6721 * tree-flow.h (struct subvar): Remove offset and size members.
6722 * tree-ssa-operands.c (get_expr_operands): Update for
6723 get_indirect_ref_operands changes.
6724 (get_indirect_ref_operands): Call add_virtual_operand instead of
6725 add_stmt_operand. Only recurse on base var if requested.
6726 (access_can_touch_variable): New function.
6727 (add_stmt_operand): Split virtual operand handling into ...
6728 (add_virtual_operand): Here. Add offset, size, and for_clobber
6729 arguments. Prune alias sets.
6730 (add_call_clobber_ops): Call add_virtual_operand.
6732 2006-02-15 Jakub Jelinek <jakub@redhat.com>
6735 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
6737 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
6738 than TREE_CODE as index into omp_clause_num_ops array.
6740 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
6742 PR rtl-optimization/26184
6743 * modulo-sched.c (generate_reg_moves): Free bitmap vector
6745 * modulo-sched.c (sms_schedule): Free g_arr pointer.
6746 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
6747 must_precede, must_follow and tobe_scheduled.
6750 * opts.c (common_handle_option): Free new_option pointer.
6751 * df-core.c (df_analyze): Free postorder pointer.
6753 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
6755 * Makefile.in: Fix the examples about the use of stamps
6757 2006-02-15 Michael Matz <matz@suse.de>
6761 * stor-layout.c (layout_decl): Zero-width bitfields aren't
6762 influenced by maximum_field_alignment or DECL_PACKED.
6763 (update_alignment_for_field): Ditto.
6764 (place_field): Ditto.
6765 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
6768 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
6770 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
6771 (debug_flow_info): Pass it.
6772 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
6773 * bb-reorder.c (reorder_basic_blocks): Likewise.
6774 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
6775 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
6776 * flow.c (life_analysis, recompute_reg_usage): Likewise.
6777 * gcse.c (gcse_main, bypass_jumps): Likewise.
6778 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
6779 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
6780 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
6781 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
6782 * rtl.h (dump_flow_info): Adjust prototype.
6783 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
6784 * var-tracking.c (variable_tracking_main): Likewise.
6785 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
6786 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
6789 2006-02-15 Marcin Dalecki <martin@dalecki.de>
6791 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
6794 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6796 PR tree-optimization/26209
6797 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
6798 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
6800 * tree-cfg.c (replace_uses_by): Do not alter cfg.
6802 2006-02-14 Roger Sayle <roger@eyesopen.com>
6805 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
6806 (X,Y) and the corresponding symmetry related transformations.
6807 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
6808 (X,Y) and its symmetry related transformations.
6810 2006-02-14 Roger Sayle <roger@eyesopen.com>
6812 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
6815 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
6817 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
6819 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6822 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
6823 support COMDAT group.
6824 * configure: Regenerate.
6826 2006-02-14 Roger Sayle <roger@eyesopen.com>
6831 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
6833 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
6835 Fix PR tree-optimization/26260
6837 * doc/invoke.texi (max-fields-for-field-sensitive): Document
6839 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
6840 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
6841 * tree-ssa-structalias.c (create_variable_info_for): Use
6842 MAX_FIELDS_FOR_FIELD_SENSITIVE.
6844 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
6846 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
6848 * tree-ssa-loop-niter.c (number_of_iterations_ne,
6849 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
6850 of the ending condition.
6851 * tree-ssa-loop-manip.c: Include params.h.
6852 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
6853 tree_unroll_loop): New functions.
6854 * tree-pass.h (pass_loop_prefetch): Declare.
6855 * loop.c (rest_of_handle_loop_optimize): Test for
6856 -fprefetch-loop-arrays-rtl.
6857 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
6858 * timevar.def (TV_TREE_PREFETCH): New timevar.
6859 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
6860 pass_loop_prefetch): New.
6861 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
6862 (cleanup_tree_cfg_loop): Call scev_reset.
6863 * common.opt (fprefetch-loop-arrays-rtl): Add.
6864 * tree-ssa-loop-prefetch.c: New file.
6865 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
6866 (new_temp_expr_table): Initialize expr_vars.
6867 (free_temp_expr_table): Cleanup expr_vars.
6868 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
6869 expressions from being merged into one.
6870 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
6871 (struct tree_niter_desc): Add control, bound and cmp fields.
6872 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
6874 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
6875 (tree-cfgcleanup.o): Add SCEV_H dependency.
6876 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
6877 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
6879 2006-02-14 Richard Guenther <rguenther@suse.de>
6881 PR tree-optimization/26258
6882 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
6883 in PHI argument processing.
6885 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
6887 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
6888 new expression in the requested machine mode.
6890 2006-02-13 Roger Sayle <roger@eyesopen.com>
6892 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
6893 directly, instead let do_compare_rtx_and_jump handle this for us.
6894 * expr.c (expand_expr_real_1): Likewise.
6895 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
6896 before do_jump_by_parts_greater.
6897 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
6898 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
6900 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6902 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
6904 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6906 PR rtl-optimization/26235
6907 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
6908 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
6911 2006-02-13 Jeff Law <law@redhat.com>
6913 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
6916 2006-02-13 Jakub Jelinek <jakub@redhat.com>
6919 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
6920 twice if decl is a builtin. When trying again, call get_callee_fndecl
6921 first to verify it is still a builtin.
6923 2006-02-13 Geoffrey Keating <geoffk@apple.com>
6925 * dwarf2out.c (base_type_die): Don't add AT_name here.
6926 (subrange_type_die): Don't add AT_name here.
6927 (modified_type_die): Rearrange code flow. Do add AT_name here.
6929 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
6931 PR rtl-optimization/26247
6932 PR rtl-optimization/26248
6933 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
6935 2006-02-13 Richard Sandiford <richard@codesourcery.com>
6937 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
6938 * config/fixtfdi.c: Likewise.
6939 * config/fixunstfdi.c: Likewise.
6940 * config/floatditf.c: Likewise.
6942 2006-02-13 Roger Sayle <roger@eyesopen.com>
6945 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
6946 into (X,C2) if C1 is a subset of the bits of C2. Transform
6947 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
6949 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
6951 2006-02-13 Josh Conner <jconner@apple.com>
6954 * varasm.c (function_section): Check for section name before
6955 calling select_section on targets that define
6956 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
6957 unlikely_text_section instead of hot_function_section if
6958 first_function_block_is_cold.
6960 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
6963 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
6965 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
6967 PR rtl-optimization/26222
6968 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
6969 after tree->rtl expansion.
6970 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
6971 before passing it to emit_move_insn.
6973 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
6975 * doc/invoke.texi (-Write-strings): Document that it is enabled by
6977 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
6978 Clarify documentation.
6979 * c-common.h (warn_write_strings): Remove.
6980 * c-common.c (warn_write_strings): Likewise.
6981 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
6984 2006-02-12 Roger Sayle <roger@eyesopen.com>
6987 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
6988 (do_jump_parts_zero_rtx): New function renamed from
6989 do_jump_parts_equality_rtx. Made static. Add a mode argument.
6990 (do_jump_parts_equality_rtx): New function split out from
6991 do_jump_parts_equality. Old implementation renamed as above.
6992 Call do_jump_parts_zero_rtx if either operand is zero.
6993 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
6994 do all of the heavy lifting.
6995 (do_compare_rtx_and_jump): Handle multi-word comparisons by
6996 calling either do_jump_by_parts_greater_rtx or
6997 do_jump_by_parts_equality_rtx.
6998 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
6999 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
7000 moved to do_compare_rtx_and_jump, call it directly.
7001 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
7002 mode argument. Call do_compare_rtx_and_jump.
7003 (emit_case_nodes): Update calls to do_jump_if_equal.
7005 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7007 PR rtl-optimization/26225
7008 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
7010 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
7012 PR rtl-optimization/26232
7013 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
7015 2006-02-11 Jason Merrill <jason@redhat.com>
7018 * tree-inline.c (declare_return_variable): Just don't use the
7019 modify target if it's a gimple complex reg and the return slot
7022 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7024 * doc/contrib.texi: Update my entry.
7026 2006-02-10 Geoffrey Keating <geoffk@apple.com>
7028 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
7030 2006-02-10 Diego Novillo <dnovillo@redhat.com>
7032 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
7035 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
7037 * doc/invoke.texi (-floop-optimize2): Removed.
7038 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
7039 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
7040 Test flag_branch_on_count_reg only if HAVE_doloop_end.
7041 * common.opt (floop-optimize2): Removed.
7042 (fmove-loop-invariants): Enabled by default.
7044 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
7046 * tree-if-conv.c (combine_blocks): Free the result of
7047 get_loop_exit_edges.
7049 2006-02-10 Jeff Law <law@redhat.com>
7051 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
7053 PR tree-optimization/26213
7054 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
7055 loop trying to follow SSA_NAME_VALUE chains.
7057 2006-02-10 Richard Guenther <rguenther@suse.de>
7059 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
7060 deal with structures that end in implicitly variable sized arrays.
7062 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7064 PR rtl-optimization/24762
7065 * df-scan.c (df_bb_refs_record): Record correct registers defined on
7068 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
7070 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
7071 (struct ivopts_data): Add regs_used field.
7072 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
7073 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
7074 instead of loop_data->regs_used;
7075 (free_loop_data): Do not free aux fields for loops.
7076 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
7077 and tree_ssa_iv_optimize_finalize.
7079 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
7081 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
7083 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7086 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
7087 computing the effective result type.
7089 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
7092 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
7093 (tree_overlaps_hard_reg_set): Declare.
7094 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
7095 type and signature to match function type expected by walk_tree.
7096 (tree_overlaps_hard_reg_set): New function.
7097 (decl_conflicts_with_clobbers_p): Rename to:
7098 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
7099 Use tree_overlaps_hard_reg_set. Changed caller.
7100 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
7101 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
7102 * cris.c (cris_md_asm_clobbers): Likewise.
7104 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
7106 * reload1.c (emit_input_reload_insns): Delete code that tries to
7107 inherit using find_equiv_reg.
7109 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
7111 * c-common.h (flag_const_strings): Don't declare.
7112 * c-common.c (flag_const_strings): Remove.
7113 * c.opt (fconst_strings): Remove.
7114 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
7115 <OPT_Wwrite_strings>: Don't set flag_const_strings.
7116 (c_common_init_options): Don't set flag_const_strings.
7117 * doc/invoke.texi (-fno-const-strings): Remove documentation.
7119 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
7121 * arm.md (tlobits_cbranch): New pattern.
7122 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
7123 testing a single bit.
7125 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7128 * tree-ssa-pre.c (create_component_ref_by_pieces):
7129 Handle RETURN_DECL like VAR_DECL.
7131 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7134 * fold-const.c (fold_indirect_ref_1): Fold
7135 "*(foo *)&complexfoo" to "__real__ complexfoo"
7136 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
7138 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
7140 * tree-flow-inline.h (var_can_have_subvars):
7141 Volatile variables should not have subvariables.
7143 2006-02-09 Diego Novillo <dnovillo@redhat.com>
7146 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
7147 multiplying unsigned values.
7150 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
7152 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
7154 2006-02-08 Jason Merrill <jason@redhat.com>
7157 * tree.def: Elaborate on difference from MODIFY_EXPR.
7158 * doc/c-tree.texi (INIT_EXPR): Likewise.
7159 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
7160 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
7161 (gimplify_target_expr): Likewise.
7162 (gimplify_cond_expr): Remove target handling.
7163 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
7164 (gimplify_expr): Clobber it here.
7165 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
7166 Do return slot optimization if we have an INIT_EXPR.
7169 * tree-inline.c (declare_return_variable): Also clear
7170 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
7173 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
7176 * gimplify.c (gimplify_one_sizepos): Fix typo.
7178 2006-02-08 Jeff Law <law@redhat.com>
7180 PR tree-optimization/21417
7181 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
7182 across a backedge if the control statement at the end of the
7183 block is data dependent on other statements in the same block.
7184 (record_temporary_equivalences_from_stmts): Remove over-conservative
7185 test for threading across backedges.
7187 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
7188 control statement, handle all three special cases in the same
7189 manner as they all have the same desired solution. No longer
7190 special case edge flag updating when the post dominator is
7193 2006-02-08 Roger Sayle <roger@eyesopen.com>
7195 * tree.def (CHAR_TYPE): Remove.
7196 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
7197 * dwarf2out.c (base_type_die, is_base_type): Likewise.
7198 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
7199 (gen_string_type_die): Delete unreachable function.
7201 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
7202 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
7203 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
7204 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
7205 * builtins.c (type_to_class): Likewise.
7206 * fold-const.c (fold_convert, build_range_check,
7207 merge_ranges): Likewise.
7208 * expr.c (count_type_elements): Likewise.
7209 * c-pretty-print.c (pp_c_type_specifier): Likewise.
7210 * stor-layout.c (layout_type): Likewise.
7211 * ipa-type-escape.c (type_to_consider): Likewise.
7212 * gimplify.c (omp_firstprivatize_type_sizes,
7213 gimplify_type_sizes): Likewise.
7214 * explow.c (promote_mode): Likewise.
7215 * tree-sra.c (is_sra_scalar_type): Likewise.
7216 * varasm.c (output_constant): Likewise.
7217 * tree-inline.c (remap_type_1): Likewise.
7218 * convert.c (convert_to_pointer, convert_to_real,
7219 convert_to_integer, convert_to_complex): Likewise.
7221 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
7223 * df-scan.c (df_def_record_1): A set destination may
7224 be a parallel regardless of mode.
7226 2006-02-08 Roger Sayle <roger@eyesopen.com>
7229 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
7230 * config/mips/_tilib.c: Remove.
7231 * config/fixtfdi.c: New libgcc source file.
7232 * config/fixunstfdi.c: New source file.
7233 * config/floatditf.c: New source file.
7234 * config/floatunditf.c: New souce file.
7235 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
7236 files above instead of config/mips/_tilib.c.
7237 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
7239 2006-02-08 Jeff Law <law@redhat.com>
7241 PR tree-optimization/26169
7242 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
7245 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
7247 * df.h (DF_REG_SIZE): Return the length of the initialized
7250 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
7252 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
7253 __muldf3): Return a correctly signed zero.
7255 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
7257 * passes.c (register_one_dump_file): Accept the current properties
7258 instead of pass number. Adjust call to dump_register. Remove
7260 (register_dump_files): Now a wrapper around...
7261 (register_dump_files_1): ... this one. Do not modify the pass
7263 (next_pass_1): Cosmetic fix.
7264 (execute_todo): Keep second parameter only. Use curr_properties
7265 instead of fetching it from the pass structure. Check and set
7267 (execute_one_pass): Handle TODO_set_props. Use curr_properties
7268 instead of fetching it from the pass structure. Fix calls to
7269 execute_todo. Update curr_properties and initialize .vcg RTL dump
7270 after running the pass. Reset last_verified.
7271 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
7273 (FIRST_AUTO_NUMBERED_DUMP): New.
7274 (dump_register): Remove "num" parameter, assign it within the
7276 (get_dump_file_name): Modify template for dumps.
7277 * tree-dump.h (dump_register): Adjust prototype.
7278 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
7279 (PROP_trees): Add PROP_gimple_lomp.
7280 (TODO_set_props): New.
7281 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
7282 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
7283 * cfgexpand.c (pass_expand): Destroy PROP_trees.
7285 2006-02-08 Jakub Jelinek <jakub@redhat.com>
7287 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
7288 (sparc64-*-linux*): Likewise.
7289 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
7290 * config/sparc/t-linux: New file.
7291 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
7292 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
7293 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
7294 -m32 -mlong-double-128.
7296 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
7297 * config/alpha/t-linux: New file.
7298 * config/alpha/libgcc-alpha-ldbl.ver: New file.
7300 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
7301 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
7302 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
7303 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
7304 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
7305 (CPP_ARCH32_SPEC): Remove.
7307 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
7309 PR tree-optimization/26145
7310 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
7313 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7316 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
7317 >= 240000 when generating code for SOM runtime.
7318 (output_indirect_call): Don't use "b,l" instruction for indirect calls
7319 to $$dyncall when generating code for SOM runtime..
7321 2006-02-07 Dirk Mueller <dmueller@suse.com>
7324 * doc/invoke.texi (-Wsequence-point): Update documentation
7325 that -Wsequence-point is implemented for C++ as well.
7327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7329 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
7330 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
7331 (LIB_SPEC): Likewise.
7332 * doc/invoke.texi (SPARC options): Document -pthread.
7334 2006-02-07 Geoffrey Keating <geoffk@apple.com>
7336 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
7339 2006-02-07 Roger Sayle <roger@eyesopen.com>
7341 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
7342 Correct comment describing BOOLEAN_TYPE.
7344 2006-02-07 Dirk Mueller <dmueller@suse.com>
7346 * c.opt: C++ frontend supports -Wdiv-by-zero.
7347 * c-opts.c (c_common_handle_option): Remove dead case.
7349 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7351 * configure.ac (TLS assembler check): Do not enable TLS by
7352 default on SPARC/Solaris before version 10.
7353 * configure: Regenerate.
7355 2006-02-07 David Edelsohn <edelsohn@gnu.org>
7357 * doc/invoke.texi (xl-compat): Document conversion and support
7360 2006-02-07 Jeff Law <law@redhat.com>
7362 * tree-vrp.c (find_conditional_asserts): Update comments.
7363 (simplify_stmt_for_jump_threading): New.
7364 (identify_jump_threads, finalize_jump_threads): New.
7365 (vrp_finalize): Call identify_jump_threads.
7366 (execute_vrp): Call finalize_jump_threads.
7367 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
7368 (vrp_element, vrp_data, vrp_element_p): Remove.
7369 (vrp_hash_elt, vrp_variables_stack): Remove.
7370 (vrp_hash, vrp_eq, record_range): Remove.
7371 (simplify_cond_and_lookup_avail_expr): Remove.
7372 (extract_range_from_cond): Remove.
7373 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
7374 (simplify_stmt_for_jump_threading): New.
7375 (dom_thread_across_edge): New wrapper.
7376 (tree_ssa_dominator_optimize): No longer initialize or
7377 finalize any of the VRP datastructures. Remove iteration
7378 step and simplify as a result of removal of iteration step.
7379 (pass_dominator): Perform a cfg cleanup after DOM.
7380 (dom_opt_finalize_block): Use the new common routines
7381 for threading jumps. Simplify stack management slightly.
7382 No longer need to unwind VRP state.
7383 (record_equivalences_from_incoming_edge): No longer record
7385 (eliminate_redundant_computations): No longer call
7386 simplify_cond_and_lookup_avail_expr.
7387 * tree-flow.h (potentially_threadable_block): Prototype.
7388 (thread_across_edge): Likewise.
7389 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
7390 (tree-ssa-threadedge.o): Add dependencies.
7391 * tree-ssa-threadedge.c: New file.
7392 * passes.c (init_optimization_passes): Merge PHIs before
7393 calling VRP. Run VRP again late in the SSA optimization pipeline.
7395 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
7397 * df-core.c (df_set_blocks): Do not dereference function pointers.
7398 (df_finish1): Likewise.
7399 (df_hybrid_search_forward): Likewise.
7400 (df_hybrid_search_backward): Likewise.
7401 (df_iterative_dataflow): Likewise.
7402 (df_analyze_problem): Likewise.
7403 (df_compact_blocks): Likewise.
7404 (df_dump): Likewise.
7405 * df-scan.c (df_rescan_blocks): Likewise.
7406 (df_record_entry_block_defs): Likewise.
7408 * genconditions.c (write_conditions): Guard the definition of
7409 'insn_conditions' with the check on GCC version.
7410 (write_writer): Guard the traversal 'insn_conditions' with
7411 the check on GCC version.
7413 2006-02-07 Richard Guenther <rguenther@suse.de>
7417 2006-01-30 Richard Guenther <rguenther@suse.de>
7419 * gimplify.c (gimplify_target_expr): Handle easy cases
7420 without creating a temporary.
7422 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
7424 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
7425 use of float in probability computations. Use edge probabilities
7426 in place of statically computed probabilities.
7427 (min_spec_prob): New static variable.
7428 (schedule_insns): Initialize it.
7429 (GET_SRC_PROB): Removed.
7430 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
7432 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
7435 * config/ia64/unwind-ia64.c: Revert last change.
7436 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
7437 (INCOMING_FRAME_SP_OFFSET): Define.
7439 2006-02-06 Roger Sayle <roger@eyesopen.com>
7441 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
7443 2006-02-07 Ben Elliston <bje@au.ibm.com>
7445 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
7446 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
7447 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
7448 (ix86_return_in_memory): Handle TDmode.
7449 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
7450 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
7452 2006-02-06 Richard Sandiford <richard@codesourcery.com>
7454 * reorg.c (dbr_schedule): Use dump_file instead of file.
7456 2006-02-06 Steve Ellcey <sje@cup.hp.com>
7459 * config/ia64/predicates.md (extr_len_operand): New predicate.
7460 * config/ia64/ia64.md (extv): Tighten constraints.
7462 (*tbit_and_2): Ditto.
7463 (*tbit_and_3): Ditto.
7464 (*tbit_or_2): Ditto.
7465 (*tbit_or_3): Ditto.
7469 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
7472 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
7474 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
7476 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
7477 loop_optimizer_init and loop_optimizer_finalize
7478 * tree-ssa-sink.c (execute_sink_code): Ditto.
7479 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
7480 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
7481 tree_ssa_loop_done): Ditto.
7482 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
7483 * sched-ebb.c: Include output.h.
7484 (schedule_ebbs): Do not use dump argument.
7485 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
7486 * loop.c (loop_dump_stream): Removed.
7487 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
7489 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
7490 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
7491 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
7492 loop_iterations, strength_reduce, record_biv, record_giv,
7493 final_giv_value, check_final_value, check_ext_dependent_givs,
7494 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
7495 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
7496 dump_file instead of loop_dump_stream.
7497 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
7499 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
7501 * flow.c (life_analysis, rest_of_handle_life): Ditto.
7502 * haifa-sched.c: Include output.h
7503 (schedule_insns, sched_init): Do not use dump argument.
7504 * mode-switching.c (optimize_mode_switching): Ditto.
7505 * modulo-sched.c (stats_file): Removed.
7506 (print_node_sched_params): Do not call argument dump_file.
7507 (sms_schedule_by_order, loop_canon_p, sms_schedule,
7508 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
7510 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
7512 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
7513 rtl_loop_init, rtl_loop_done): Ditto.
7514 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
7515 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
7517 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
7518 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
7519 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
7520 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
7521 * emit-rtl.c (renumber_insns): Ditto.
7522 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
7523 expand_gimple_basic_block, tree_expand_cfg): Ditto.
7524 * regclass.c (regclass): Ditto.
7525 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
7526 remove_ssa_form, rewrite_out_of_ssa): Ditto.
7527 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
7528 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
7530 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
7531 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
7533 * gcse.c (gcse_file, debug_stderr): Removed.
7534 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
7535 rest_of_handle_gcse): Do not use dump argument.
7536 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
7537 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
7538 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
7539 compute_code_hoist_vbeinout, compute_code_hoist_data,
7540 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
7541 compute_store_table, build_store_vectors, insert_insn_start_bb,
7542 insert_store, remove_reachable_equiv_notes, replace_store_insn,
7543 store_motion): Use dump_file instead of gcse_file.
7544 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
7545 * profile.c (profile_dump_file): Removed.
7546 (branch_prob): Use dump_file instead of profile_dump_file.
7547 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
7549 * tree-ssa-copy.c (dump_copy_of): Ditto.
7550 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
7551 dump file to life_analysis.
7552 * bt-load.c (branch_target_load_optimize): Ditto.
7553 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
7555 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
7556 regclass, dbr_schedule): Declaration changed.
7557 * sched-int.h (sched_init): Declaration changed.
7558 * tree-profile.c (tree_profile_dump_file): Removed.
7559 (tree_profile_hooks): Removed profile_dump_file hook.
7560 * rtl-profile (rtl_profile_dump_file): Removed.
7561 (rtl_profile_hooks): emoved profile_dump_file hook.
7562 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
7564 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
7565 * tree-cfg.c (build_tree_cfg): Ditto.
7566 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
7567 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
7568 Declaration changed.
7569 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
7570 life_analysis and schedule_insns.
7571 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
7573 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
7575 * config/mips/mips.c (mips_reorg): Ditto.
7576 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
7579 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
7581 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7582 (s390_mangle_fundamental_type): New.
7583 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7586 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7587 (alpha_mangle_fundamental_type): New.
7588 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7591 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7593 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
7595 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
7596 (sparc_mangle_fundamental_type): New.
7598 2006-02-06 Jakub Jelinek <jakub@redhat.com>
7600 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
7601 (s390x-*-linux*): Likewise.
7602 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
7603 * config/s390/t-linux: New file.
7605 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7607 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
7608 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
7610 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
7612 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
7613 (ANTIC_SAFE_LOADS): New macro.
7614 (find_or_generate_expression): Add prototype.
7615 (set_contains_value): Allow null set for sake of not always having
7616 to allocate ANTIC_SAFE_LOADS.
7617 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
7618 Allow COMPONENT_REF too.
7619 (valid_in_set): Allow COMPONENT_REF.
7620 Check ANTIC_SAFE_LOADS too.
7621 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
7622 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
7624 (can_PRE_operation): Add COMPONENT_REF.
7625 (create_component_ref_by_pieces): New function.
7626 (create_expression_by_pieces): Use create_component_ref_by_pieces.
7627 (insert_aux): Move AGGREGATE_TYPE_P check here.
7628 (compute_avail): Set bb local stmt uids.
7629 (pass_pre): Use TODO_update_ssa_only_virtuals.
7631 2006-02-06 Ben Elliston <bje@au.ibm.com>
7633 * configure.ac: Unconditionally disable decimal float by default.
7634 * configure: Regenerate.
7636 2006-02-06 Ben Elliston <bje@au.ibm.com>
7638 * read-rtl.c (read_name): Terminate reading on EOF.
7640 2006-02-06 Ben Elliston <bje@au.ibm.com>
7642 * dfp.c (decimal_real_arithmetic): Change second argument type
7643 from int to enum tree_code. Do not always return true, but now
7644 return result of any call to decimal_do helper functions.
7645 * dfp.h (decimal_real_arithmetic): Update prototype.
7647 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
7649 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
7651 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
7654 * tree-cfg.c (cleanup_dead_labels): Also don't remove
7657 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7659 * tree-vrp.c (cfg_loops): Removed.
7660 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
7661 Use current_loops instead of cfg_loops. Pass flags to
7662 loop_optimizer_init.
7663 * cfgloopmanip.c (fix_loop_structure): Update only available
7665 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
7666 loop_optimizer_init.
7667 * modulo-sched.c (build_loops_structure): Removed.
7668 (sms_schedule): Use loop_optimizer_init.
7669 * loop-init.c (loop_optimizer_init): Use flags to determine
7670 which properties of loops to prepare.
7671 (rtl_loop_init): Pass flags to loop_optimizer_init.
7672 * tree-ssa-sink.c (execute_sink_code): Ditto.
7673 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
7674 * tree-ssa-pre.c (init_pre): Ditto.
7675 * cfgloop.h (LOOPS_NORMAL): New.
7676 (loop_optimizer_init): Declaration changed.
7678 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7680 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
7681 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
7683 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
7685 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
7687 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
7688 * pa/t-pa64: Delete quadlib.c rule.
7689 * pa/x-ada: Revert last change.
7690 * pa/t-pa: Revert last change. Delete quadlib.c rule.
7692 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
7694 PR rtl-optimization/26087
7695 * rtlanal.c (canonicalize_condition): Do not cross basic block
7698 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
7701 * config/ia64/ia64.c: Include debug.h.
7702 (MAX_ARTIFICIAL_LABEL_BYTES): New.
7703 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
7704 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
7705 (process_epilogue, process_set, process_for_unwind_directive):
7706 Output unwind info only if requested. Add CFA info if requested.
7707 Add new arguments as needed. Adjust callers.
7708 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
7710 (DWARF2_FRAME_INFO): Define to zero.
7711 * config/ia64/unwind-ia64.c: Remove code that compensated for
7712 the CFA offset error fixed above.
7713 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
7714 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
7715 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
7716 -funwind-tables and -fexceptions to enable frame info.
7717 (dwarf2out_frame_init): Define initial CFA even if
7718 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
7719 DWARF2_UNWIND_INFO is nonzero, not just defined.
7720 (dwarf2out_frame_finish): Output non-EH call frame info only
7721 if DWARF2_FRAME_INFO is nonzero.
7722 (convert_cfa_to_loc_list,
7723 compute_frame_pointer_to_cfa_displacement): Define even if
7724 unwind info is not supported.
7725 (gen_subprogram_die): Use the above unconditionally. Remove
7726 legacy alternate code.
7727 * toplev.c (compile_file): Compile in call to
7728 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
7729 (lang_dependent_init): Ditto for dwarf2out_frame_init.
7731 2006-02-04 David Edelsohn <edelsohn@gnu.org>
7732 Jakub Jelinek <jakub@redhat.com>
7734 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
7735 IBM extended float format long double as "g" on powerpc*-linux.
7737 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7740 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
7741 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
7743 2006-02-03 Jason Merrill <jason@redhat.com>
7746 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
7749 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
7750 on the return slot if it's an NRV.
7752 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
7754 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
7755 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
7756 rewrite_use): Do not handle USE_OUTER.
7757 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
7758 add_iv_outer_candidates, may_replace_final_value,
7759 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
7760 (find_interesting_uses_op): Functionality of
7761 find_interesting_uses_outer_or_nonlin moved here.
7762 (find_interesting_uses_outside): Use find_interesting_uses_op.
7764 2006-02-03 Alan Modra <amodra@bigpond.net.au>
7767 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
7769 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
7770 Ulrich Weigand <uweigand@de.ibm.com>
7773 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
7774 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
7775 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
7776 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
7778 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
7779 (s390_rtx_costs): Use the new fields to calculate rtx costs.
7780 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
7781 Define secondary reloads for TFmode moves.
7782 (constant_modes): Add TFmode.
7783 (NR_C_MODES): Set to 8.
7784 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
7786 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
7787 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
7788 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
7789 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
7790 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
7791 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
7792 (FPR mode macro): Add TFmode.
7793 (DSF mode macro): New.
7794 (<de>, <dee> mode attributes): Removed.
7795 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
7796 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
7797 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
7798 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
7799 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
7800 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
7801 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
7802 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
7803 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
7804 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
7805 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
7806 "*negabs<mode>2", "sqrt<mode>2"):
7807 Changed <de> to <xde>. R constraint replaced by <Rf>.
7808 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
7810 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
7811 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
7812 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
7814 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
7815 "extenddftf2", "extendsftf2"): New expanders.
7816 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
7817 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
7818 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
7819 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
7821 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
7822 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
7823 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
7824 __floatditf): Add a GCC_4.1.0 symbol version tag.
7825 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
7828 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
7831 * config/i386/i386.c (ix86_function_ok_for_sibcall):
7832 Use targetm.binds_local_p instead of TREE_PUBLIC.
7834 2006-02-02 Roger Sayle <roger@eyesopen.com>
7836 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
7837 on INTEGER_TYPEs to indicate that it denotes a character type.
7838 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
7839 signed_char_type_node, unsigned_char_type_node and char_type_node.
7840 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
7841 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
7842 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
7844 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
7845 Daniel Berlin <dberlin@dberlin.org>
7847 * tree-tailcall.c (arg_needs_copy_p): New function.
7848 (eliminate_tail_call): Use arg_needs_copy_p.
7849 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
7850 (add_virtual_phis): New function.
7852 2006-02-02 Jakub Jelinek <jakub@redhat.com>
7854 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
7855 #ignore instead of #scratch for %g7 .register directive.
7857 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
7859 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
7862 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
7864 * flow.c (calculate_global_regs_live): Assert that there aren't any
7867 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
7869 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
7871 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
7872 bsi_after_labels iterator.
7873 * tree-if-conv.c (find_phi_replacement_condition,
7874 replace_phi_with_cond_modify_expr): Likewise.
7875 * tree-scalar-evolution.c (scev_const_prop): Likewise.
7876 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
7878 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7880 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
7882 2006-02-02 Diego Novillo <dnovillo@redhat.com>
7885 * tree-cfg.c (move_block_to_fn): Clear out the basic block
7886 array after growing it.
7888 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7891 * fold-const.c (fold_checksum_tree): Change type of buf.
7893 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
7895 * reload.c (push_secondary_reload): Initialize t_icode.
7897 2006-02-01 Jakub Jelinek <jakub@redhat.com>
7899 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
7900 -msoft-float -mlong-double-128 only issue a warning, but don't
7901 swich to DFmode long double.
7903 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
7905 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
7906 has a constant equivalent, iterate over equivalents for arg0,
7907 calling simplify_relational_operation and if there's a result
7908 cheaper than X, apply fold_rtx and return the result.
7910 2006-02-01 Jan Hubicka <jh@suse.cz>
7912 * opts.c (no_unit_at_a_time_default): New global variable.
7913 (decode_options): Use it.
7914 * opts.h (no_unit_at_a_time_default): Declare.
7916 2006-02-01 Paul Brook <paul@codesourcery.com>
7918 * function.c (assign_parm_setup_reg): Use function argument promotion
7920 * expr.c (expand_expr_real_1): Use function argument promotion rules
7923 2006-02-01 Steve Ellcey <sje@cup.hp.com>
7925 * gcc.c (process_command): Change j to 'unsigned int'.
7927 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7930 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
7931 Use the corrected index for the character
7932 out of the string constant.
7934 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7936 * mode-switching.c (optimize_mode_switching): Fix size
7937 allocated for bb_info[n_entities].
7939 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
7941 * gcc.c (main): Correct type that is allocated for
7942 explicit_link_files.
7944 2006-01-31 Jakub Jelinek <jakub@redhat.com>
7946 * config/s390/s390.c (init_alignment_context): Set
7947 ALIAS_SET_MEMORY_BARRIER on the MEM.
7948 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
7950 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
7953 * loop-unroll.c (unroll_loop_runtime_iterations): Free
7955 * tree-ssa-live.c (type_var_init): Allocate bitmap after
7958 2006-01-31 Marcin Dalecki <martin@dalecki.de>
7960 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
7961 * regrename.c: Ditto.
7962 * tree-ssa-loop-im.c: Ditto.
7963 * tree-dump.c: Ditto.
7964 * tree-complex.c: Ditto.
7965 * genrecog.c: Ditto.
7966 * tree-ssa-threadupdate.c: Ditto.
7968 * java/class.c: Ditto.
7969 * java/jcf-parse.c: Ditto.
7970 * java/resource.c: Ditto.
7971 * java/except.c: Ditto.
7972 * java/jvspec.c: Ditto.
7973 * java/jcf-write.c: Ditto.
7974 * java/jcf-path.c: Ditto.
7975 * java/gjavah.c: Ditto.
7976 * java/zextract.c: Ditto.
7977 * java/jcf-io.c: Ditto.
7978 * java/jcf.h: Ditto.
7979 * java/buffer.c: Ditto.
7980 * java/lang.c: Ditto.
7981 * java/parse-scan.y: Ditto.
7982 * java/lex.c: Ditto.
7983 * java/lex.h: Ditto.
7984 * cfgloopmanip.c: Ditto.
7985 * postreload-gcse.c: Ditto.
7986 * tree-ssa-loop-manip.c: Ditto.
7987 * postreload.c: Ditto.
7988 * tree-ssa-loop-ch.c: Ditto.
7992 * diagnostic.c: Ditto.
7994 * genoutput.c: Ditto.
7996 * cfghooks.c: Ditto.
7997 * cfgloopanal.c: Ditto.
7998 * objc/objc-act.c: Ditto.
8000 * genextract.c: Ditto.
8001 * genautomata.c: Ditto.
8002 * pretty-print.c: Ditto.
8004 * cgraphunit.c: Ditto.
8007 * haifa-sched.c: Ditto.
8008 * dominance.c: Ditto.
8010 * tree-ssa-loop-ivopts.c: Ditto.
8012 * mode-switching.c: Ditto.
8013 * modulo-sched.c: Ditto.
8015 * ipa-pure-const.c: Ditto.
8017 * fix-header.c: Ditto.
8019 * tree-stdarg.c: Ditto.
8020 * ipa-utils.c: Ditto.
8021 * loop-init.c: Ditto.
8022 * ipa-inline.c: Ditto.
8025 * alloc-pool.c: Ditto.
8026 * dwarf2out.c: Ditto.
8028 * genattrtab.c: Ditto.
8029 * tree-ssa-loop-ivcanon.c: Ditto.
8033 * fortran/gfortranspec.c: Ditto.
8035 * local-alloc.c: Ditto.
8036 * langhooks.c: Ditto.
8037 * function.c: Ditto.
8038 * tree-vectorizer.c: Ditto.
8040 * ipa-type-escape.c: Ditto.
8042 * tree-if-conv.c: Ditto.
8045 * tree-data-ref.c: Ditto.
8046 * loop-unroll.c: Ditto.
8047 * treelang/treetree.c: Ditto.
8050 * ggc-common.c: Ditto.
8052 * coverage.c: Ditto.
8054 * tree-cfgcleanup.c: Ditto.
8055 * tree-ssa-pre.c: Ditto.
8056 * cfgcleanup.c: Ditto.
8057 * loop-invariant.c: Ditto.
8059 * ipa-prop.c: Ditto.
8060 * print-tree.c: Ditto.
8061 * conflict.c: Ditto.
8062 * ggc-page.c: Ditto.
8063 * sched-deps.c: Ditto.
8064 * regclass.c: Ditto.
8065 * tree-object-size.c: Ditto.
8067 * bb-reorder.c: Ditto.
8068 * resource.c: Ditto.
8069 * var-tracking.c: Ditto.
8071 * df-problems.c: Ditto.
8072 * reg-stack.c: Ditto.
8075 * sched-rgn.c: Ditto.
8076 * tree-ssa-structalias.c: Ditto.
8077 * tree-ssa-reassoc.c: Ditto.
8078 * config/darwin-c.c: Ditto.
8079 * config/darwin.c: Ditto.
8080 * config/arm/arm.c: Ditto.
8082 * collect2.c: Ditto.
8085 2006-01-31 Nicolas Pitre <nico@cam.org>
8087 * arm.md (smaxsi3): Make aware of smax_m1.
8090 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
8092 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
8094 2006-01-31 Richard Guenther <rguenther@suse.de>
8096 * doc/invoke.texi (-msselibm): Document.
8097 * target.h (expand_library_builtin): New target hook.
8098 * builtins.c (expand_builtin): Use expand_library_builtin.
8099 (default_expand_library_builtin): New function.
8100 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8101 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8102 (link_gcc_math_spec): Declare.
8103 (static_specs): Add link_gcc_math_spec.
8104 * expr.h (default_expand_library_builtin): Declare.
8105 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8106 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8107 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8108 * config/i386/i386.opt (msselibm): New target option.
8109 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8110 (ix86_init_sse_abi_builtins): New function.
8111 (ix86_expand_library_builtin): Likewise.
8112 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8113 (override_options): Handle error conditions wrt -msselibm.
8114 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8115 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8116 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8119 2006-01-31 Richard Guenther <rguenther@suse.de>
8120 Paolo Bonzini <bonzini@gnu.org>
8122 * doc/install.texi (--disable-libgcc-math): Document.
8124 2006-01-30 Marcin Dalecki <martin@dalecki.de>
8126 * expr.h (expand_normal): new inline function.
8127 * builtins.c: use it, use EXPAND_NORMAL explicitely.
8129 * dwarf2out.c: use it.
8134 * config/sparc/sparc.c: use it.
8135 * config/i386/i386.c: use it.
8136 * config/rs6000/rs6000.c: use it.
8137 * config/arm/arm.c: use it.
8138 * config/mips/mips.c: use it.
8139 * stmt.c: use it, use EXPAND_NORMAL explicitely.
8141 2006-01-30 Roger Sayle <roger@eyesopen.com>
8143 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
8144 argv to the appropriate type.
8146 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
8148 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
8151 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
8154 * config/s390/s390.c (struct machine_function): New flag
8155 decomposed_literal_pool_addresses_ok_p.
8156 (s390_reorg): Set it before final stage of literal pool transforms.
8157 (s390_decompose_address): Only accept displacements of the form
8158 (minus (label_ref ...) (label_ref ...)) if that flag is set.
8160 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
8162 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
8163 the comparison routine return.
8165 2006-01-30 Michael Matz <matz@suse.de>
8167 * global.c (find_reg): Only evict for global regs.
8168 Take n_refs into account and dump more info.
8170 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
8173 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
8174 (pragma_trap, pragma_nosave_low_regs): Likewise.
8175 (current_function_anonymous_args): Likewise.
8176 (sh_deferred_function_attributes): New variable.
8177 (sh_deferred_function_attributes_tail): Likewise.
8178 (print_operand): For '@', look up trap_exit attribute.
8179 (calc_live_regs): Look up trapa_handler attribute. For trapa
8180 handlers, save/restore fpscr, but don't do any other
8181 interrupt-specific saves.
8182 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
8183 Fix check for partially saved registers to check for SHmedia.
8184 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
8185 (sh_output_function_epilogue): Don't clear any of the removed
8187 (sh_insert_attributes): Don't check pragma_interrupt.
8188 Insert deferred attributes. Check that interrupt attribute is
8189 present for other attributes that require its presence.
8190 (sh_attribute_table): Add new attributes trapa_handler and
8192 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
8193 Don't check for pragma_interrupt. Don't store argument.
8194 * sh.h (pragma_interrupt, sp_switch): Don't declare.
8195 (sh_deferred_function_attributes): Declare.
8196 (sh_deferred_function_attributes_tail): Likewise.
8197 * sh.md (sp_switch_1): Add operand. Change generator caller.
8198 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
8199 (*return_i): Don't use when trap_exit attribute is in effect.
8200 (*return_trapa): New insn pattern.
8202 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
8203 setting c_target_objs and cxx_target_objs.
8204 * t-sh: Add rule for sh-c.o.
8206 2006-01-30 Richard Guenther <rguenther@suse.de>
8209 * gimplify.c (gimplify_target_expr): Handle easy cases
8210 without creating a temporary.
8212 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
8214 * vec.h (safe_grow): Remove duplicated line.
8216 2006-01-29 Diego Novillo <dnovillo@redhat.com>
8219 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
8220 (expand_omp): ... here.
8221 (expand_omp_parallel): Only remove barriers for combined
8222 parallel+workshare constructs.
8224 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
8228 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
8229 * tree.c (build_qualified_type): Chain the new type to the original
8230 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
8231 a POINTER_TYPE or a REFERENCE_TYPE respectively.
8232 (build_pointer_type_for_mode): Only return unqualified types.
8233 (build_reference_type_for_mode): Likewise.
8235 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
8237 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
8238 * Makefile.in (CXX_COMPAT_WARN): Define.
8239 * configure: Regenerate.
8241 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
8244 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
8247 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8249 * toplev.c: Fix thinko.
8251 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
8252 Marcin Dalecki <martin@dalecki.de>
8254 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
8255 (push_srcloc): Use XNEW.
8256 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
8258 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
8260 * df-core.c (df_set_blocks): Deleted all variable.
8262 2006-01-28 Ian Lance Taylor <ian@airs.com>
8264 * cgraphunit.c (cgraph_assemble_pending_functions): Call
8265 cgraph_output_pending_asms.
8267 2006-01-28 Zack Weinberg <zackw@panix.com>
8269 * c.opt: Add -W(no-)overlength-strings.
8270 * doc/invoke.texi: Document it.
8271 * c-opts.c (c_common_handle_option): -pedantic implies
8272 -Woverlength-strings, if not explicitly disabled already.
8273 (c_common_post_options): -Woverlength-strings defaults to off, and
8274 is always off for C++.
8275 * c-common.c (fix_string_type): Issue warning about strings longer
8276 than is portable only if warn_overlength_strings. Rearrange code
8277 a little for clarity.
8278 * configure.in: Check for -Wno-overlength-strings as well before
8279 enabling -pedantic in stage 1.
8280 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
8281 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
8283 * genconditions.c (write_header, write_one_condition)
8284 (write_conditions, write_writer): Consolidate very long strings
8285 that were broken up to fit in C89 portable limit. Don't use
8286 printf when fputs will do.
8288 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
8290 * combine.c (simplify_comparison <AND>): Check
8291 TRULY_NOOP_TRUNCATION before start using a subreg.
8293 * config/mips/mips.md (*branch_zero<mode>,
8294 *branch_zero<mode>_inverted, *branch_equality<mode>,
8295 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
8296 Remove mode check from comparisons.
8298 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
8300 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
8302 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8304 * expmed.c (const_mult_add_overflow_p): Remove.
8305 * expr.h: Remove the prototype for const_mult_add_overflow_p.
8307 * recog.c (validate_replace_rtx_subexp): Remove.
8308 * recog.h: Remove the prototype for
8309 validate_replace_rtx_subexp.
8311 * integrate.h: Remove the prototype for
8312 copy_decl_for_inlining.
8313 * rtl.h: Remove the prototype for mark_constant_function.
8314 * tree-vectorizer.h: Remove the prototype for
8315 vect_strip_conversion.
8317 * modulo-sched.c (create_partial_schedule,
8318 free_partial_schedule, reset_partial_schedule): Make them
8321 * hooks.c (hook_bool_rtx_int_false): Remove.
8322 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
8324 2006-01-28 David Edelsohn <edelsohn@gnu.org>
8326 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8327 and -mlong-double-128 are incompatible.
8328 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
8329 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
8330 (TARGET_LIBGCC2_CFLAGS): Define.
8331 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
8332 (TARGET_LIBGCC2_CFLAGS): Same.
8333 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
8335 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
8338 * c-typeck.c (build_binary_op): Perform implicit casts of
8339 operands before shortening them.
8341 * cfgloopmanip.c (split_loop_bb): Remove.
8342 * cfgloop.h: Remove the prototype for split_loop_bb.
8344 * cfgloop.c (flow_loop_outside_edge_p): Remove.
8345 * cfgloop.h: Remove the prototype for
8346 flow_loop_outside_edge_p.
8348 * emit-rtl.c (init_virtual_regs): Make it static.
8349 * function.h: Remove the prototype for init_virtual_regs.
8351 * recog.c (peephole2_optimize): Make it static.
8352 * recog.h: Remove the prototype for peephole2_optimize.
8354 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8356 * df-scan.c (df_record_entry_block_defs): Check if
8357 INCOMING_RETURN_ADDR_RTX is defined.
8359 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
8360 Kenneth Zadeck <zadeck@naturalbridge.com>
8362 PR rtl-optimization/24762
8363 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8364 * targhooks.c (hook_void_bitmap): New hook prototype.
8365 * targhoohs.h (hook_void_bitmap): Ditto.
8366 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
8367 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
8368 * target.h (live_on_entry): New function pointer.
8369 * df-scan.c (df_all_hard_regs): Removed.
8370 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
8371 (df_scan_free_internal): Added df->entry_block_defs.
8372 (df_scan_alloc): Ditto.
8373 (df_scan_dump): Ditto.
8374 (df_uses_record): Plumbed flag field properly thru calls.
8375 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
8376 This part fixes PR24762.
8377 (df_bb_refs_record): Added code to make the frame and arg
8378 pointers live in EH blocks.
8379 (df_refs_record): Added call to df_record_entry_block_defs.
8380 (df_record_entry_block_defs): New function.
8381 * df-core.c: Added comments to describe new artifical defs.
8382 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
8383 (entry_block_defs): New field in struct df.
8384 (df_all_hard_regs): Deleted.
8385 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
8386 * df-problems.c (df_ru_bb_local_compute_process_def):
8387 Added code to handle artifical defs in the entry to a function.
8388 (df_ru_bb_local_compute): Ditto.
8389 (df_rd_bb_local_compute_process_def): Ditto.
8390 (df_rd_bb_local_compute): Ditto.
8391 (df_lr_bb_local_compute): Ditto.
8392 (df_ur_bb_local_compute): Ditto.
8393 (df_urec_bb_local_compute): Ditto.
8394 (df_chain_create_bb): Ditto.
8395 (df_ur_local_finalize): Removed entry.
8396 (df_urec_init): Ditto.
8397 (df_urec_local_finalize): Ditto.
8398 (df_ri_bb_compute): Added detection of last use of pseudos.
8399 * Makefile.in (df-scan.o): Updated dependencies.
8400 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
8401 * config/mips/mips.c (mips_set_live_on_entry): Added.
8402 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
8404 * dce.c (marked_insn_p): Added code to handle artifical defs.
8406 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
8408 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
8410 (_mm_cvtsi128_si64): Likewise.
8411 (_mm_cvtsd_si64): Likewise.
8412 (_mm_cvttsd_si64): Likewise.
8413 (_mm_cvtsi64_sd): Likewise.
8414 (_mm_cvtsi64_si128): Likewise.
8415 * config/i386/mmintrin.h (_m_from_int64): Likewise.
8416 (_mm_cvtsi64_m64): Likewise.
8417 (_m_to_int64): Likewise.
8418 (_mm_cvtm64_si64): Likewise.
8419 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
8420 (_mm_cvttss_si64): Likewise.
8421 (_mm_cvtsi64_ss): Likewise.
8422 (_mm_cvtss_f32): Likewise.
8424 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
8426 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
8427 for pragma redefine_extname.
8429 2006-01-27 Jakub Jelinek <jakub@redhat.com>
8432 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
8433 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
8434 -mno-minimal-toc to previous content.
8435 (bispecs): Remove goal.
8436 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
8437 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
8438 compatibility aliases on powerpc-*-*gnu*.
8439 * config/rs6000/libgcc-ppc-glibc.ver: New file.
8440 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
8441 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
8442 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
8443 (ldblspecs): New goal.
8444 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
8445 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
8447 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
8448 L_sf_to_tf or L_df_to_tf is defined.
8450 2006-01-27 David Edelsohn <edelsohn@gnu.org>
8451 Alan Modra <amodra@bigpond.net.au>
8454 * config/rs6000/linux.h (POWERPC_LINUX): Define.
8455 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
8456 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
8457 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
8458 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
8459 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
8460 (rs6000_override_options): Initialize rs6000_ieeequad.
8461 Initialize TFmode format to ibm_extended_format if not
8463 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
8465 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
8466 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
8467 (function_arg_advance): IBM long double passed in two FPRs, not
8469 (function_arg): IBM long double passed in FPRs.
8470 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
8471 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
8472 Only multireg GPR aligned.
8473 (rs6000_init_libfuncs): Enable IBM long double functions if not
8475 (rs6000_generate_compare): Use IBM long double compare if not
8477 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
8478 (TARGET_IEEEQUAD): Define.
8479 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
8480 not TARGET_IEEEQUAD.
8481 * config/rs6000/rs6000.md: Enable TFmode patterns if
8483 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
8484 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
8485 and -mlong-double-128 are incompatible.
8486 * doc/invoke.texi (-mabi): Collect options together. Add
8487 ibmlongdouble and ieeelongdouble.
8489 2006-01-27 Richard Sandiford <richard@codesourcery.com>
8491 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
8493 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
8494 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
8495 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
8496 * rtl.h (rtunion_def): Remove rt_ptr.
8498 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
8499 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
8500 * config/i386/winnt.c (i386_pe_mark_dllexport)
8501 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
8503 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
8505 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
8507 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8511 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
8512 pthread_key_delete. From John David Anglin. gthrw-ify
8513 pthread_getunique_np only if it it's not a macro. Delete
8515 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
8516 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
8517 __gthread_objc_condition_signal, __gthread_key_delete): Add
8518 "__attribute__ ((__unused__))" to unused arguments.
8519 (__gthread_recursive_mutex_init_function): Add missing return.
8520 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
8521 gthr-posix95.h: Use macro-based approach for name redirection
8522 on targets missing weakref.
8524 2006-01-26 Zack Weinberg <zackw@panix.com>
8526 * genconditions.c (write_header): In generated code, #ifdef out
8527 all includes and fake declarations, except includes of bconfig.h
8528 and system.h, unless GCC_VERSION >= 3001. Do not include
8529 gensupport.h in any case.
8530 (write_conditions): Generate a definition of struct c_test. Add
8531 a comment to the generated #endif.
8532 (write_one_condition): Escape backslashes in string too.
8533 (write_writer): Generated code must escape backslashes and quote
8534 marks (but not newlines) in the strings it writes.
8535 * Makefile.in (build/gencondmd.o): Update dependencies.
8537 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8540 * Makefile.in (insn-automata.o): Add header file dependencies.
8541 * genautomata.c: Add includes.
8543 2006-01-26 Steve Ellcey <sje@cup.hp.com>
8546 * Makefile.in (insn-automata.o): Add -Wno-error flag.
8548 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8550 * configure.ac: Expect target tools paths to be passed from the toplevel
8551 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
8553 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
8555 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
8558 * c.opt (Wpointer-sign): Init to -1.
8559 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
8560 OPT_pedantic, to 0 otherwise.
8561 * doc/invoke.texi: Update.
8563 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
8565 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
8566 constants provided by 80387 instructions in the destination mode.
8568 2006-01-26 Richard Guenther <rguenther@suse.de>
8569 Andrew Pinski <pinskia@physics.uc.edu>
8572 partial PR tree-opt/17064
8573 * tree-ssa-structalias.c (intra_create_variable_infos):
8574 Create heap variables for incoming parameters if
8575 flag_argument_noalias > 1.
8576 (find_what_p_points_to): Look through default defs of
8579 2006-01-26 Jeff Law <law@redhat.com>
8582 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
8583 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
8584 within the VR_RANGE, use the VR_RANGE as the result, not the
8586 (adjust_range_with_scev): Reject ranges from SCEV which are out of
8587 bounds for the type.
8589 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
8591 * tree-ssa-alias.c (maybe_create_global_var): Change
8592 subvar walking to an assertion that we don't have subvar'd variables.
8594 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
8597 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
8598 Use a new variable, inner. PARM_DECLs are always non-weak.
8600 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
8602 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
8605 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
8607 * config/mips/mips.md (*clear_upper32): New combiner pattern.
8609 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
8611 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
8612 (smax_insn, smin_insn, smax_0, smin_0): New.
8614 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
8617 * config/cris/cris.c (cris_order_for_addsi3): New function.
8618 * config/cris/cris-protos.h: Prototype it.
8619 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
8620 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
8621 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
8622 (split for "op.S1 [rx=rx+i],ry (swapped)")
8623 (split for "op(s|u).S1 [rx=rx+i],ry")
8624 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
8625 Apply cris_order_for_addsi3 when generating addsi3 insns.
8627 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8629 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
8630 (TREE_BLOCK): Add call to EXPR_CHECK.
8632 2006-01-25 Diego Novillo <dnovillo@redhat.com>
8635 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
8636 * tree-pretty-print.c (dump_omp_clause): Extract from ...
8637 (dump_omp_clauses): ... here.
8638 (dump_generic_node): Handle OMP_CLAUSE.
8639 * tree.c (omp_clause_num_ops): New.
8640 (omp_clause_code_name): New.
8641 (tree_code_size): Handle OMP_CLAUSE.
8642 (tree_size): Likewise.
8643 (make_node): Document handling of OMP_CLAUSE.
8644 (tree_node_structure): Handle OMP_CLAUSE.
8645 (omp_clause_check_failed): New.
8646 (omp_clause_range_check_failed): New.
8647 (omp_clause_operand_check_failed): New.
8648 (build_omp_clause): New.
8649 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
8650 * tree.h (enum omp_clause_code): Declare.
8651 (OMP_CLAUSE_SUBCODE_CHECK): Define.
8652 (OMP_CLAUSE_RANGE_CHECK): Define.
8653 (OMP_CLAUSE_ELT_CHECK): Define.
8654 (omp_clause_check_failed): Declare.
8655 (omp_clause_operand_check_failed): Declare.
8656 (omp_clause_range_check_failed): Declare.
8657 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
8658 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
8659 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
8660 (OMP_CLAUSE_LASTPRIVATE): Likewise.
8661 (OMP_CLAUSE_IF_EXPR): Likewise.
8662 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
8663 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
8664 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
8665 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
8666 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
8667 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
8668 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
8669 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
8670 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
8671 (OMP_CLAUSE_CODE): Define.
8672 (OMP_CLAUSE_SET_CODE): Define.
8673 (OMP_CLAUSE_CODE): Define.
8674 (OMP_CLAUSE_OPERAND): Define.
8675 (struct tree_omp_clause): Declare.
8676 (union tree_node): Add field 'omp_clause'.
8677 * treestruct.def (TS_OMP_CLAUSE): Define.
8678 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
8679 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
8680 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
8681 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
8682 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
8683 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
8684 (OMP_CLAUSE): Define.
8685 * print-tree.c (print_node): Handle OMP_CLAUSE.
8686 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
8687 * c-typeck.c: Likewise.
8688 * gimplify.c: Likewise.
8689 * c-omp.c: Likewise.
8690 * tree-nested.c: Likewise.
8691 * tree-inline.c: Likewise.
8692 * c-parser.c: Likewise.
8693 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
8696 2006-01-25 Roger Sayle <roger@eyesopen.com>
8698 PR rtl-optimization/25703
8699 * combine.c (try_combine): Handle zero_extract and strict_low_part
8700 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
8702 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
8704 * global.c: Fix comment typos.
8706 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
8709 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
8710 Use output_addr_const instead of assemble_name.
8712 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
8714 * Makefile.in (sched-vis.o): Update dependencies.
8715 * haifa-sched.c (sched_finish): Clear current_sched_info.
8716 * cfg.c (dump_bb_info): New, split from dump_flow_info.
8717 (dump_flow_info): Call it.
8718 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
8720 * basic-block.h (dump_bb_info): Declare.
8721 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
8722 option, and apply options only for dump files whose TDF_RTL,
8723 TDF_TREE, or TDF_IPA bits match.
8724 * rtl.h: Declare new functions exported from sched-vis.c.
8725 * sched-vis.c: Enable also if scheduling is not used.
8726 (print_value): Print the mode of registers if not inside scheduling.
8727 (print_insn): Make it work outside the scheduler. Beautify the output
8729 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
8731 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8733 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
8734 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
8735 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
8736 depending on the value of CONSTANT_POOL_ADDRESS_P.
8737 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
8739 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
8740 rather than SYMBOL_REF_DECL.
8741 (rtx_constant_pool): Remove const_rtx_sym_htab.
8742 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
8743 (init_varasm_status): Don't initialize const_rtx_sym_htab.
8744 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
8745 Remove handling of const_rtx_sym_htab.
8746 (find_pool_constant): Delete.
8747 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
8748 rather than find_pool_constant.
8749 (get_pool_constant_for_function): Delete.
8750 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
8752 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
8753 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
8754 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
8755 (SYMBOL_REF_CONSTANT): New macro.
8756 (get_pool_constant_for_function): Delete.
8757 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
8758 rather than SYMBOL_REF_DECL.
8759 (i386_pe_mark_dllimport): Likewise.
8760 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
8761 rather than SYMBOL_REF_DECL.
8762 * config/darwin.c (machopic_indirect_data_reference): Likewise.
8763 (machopic_indirect_call_target): Likewise.
8765 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
8767 * flow.c (delete_noop_moves): Add missing EOL to dump message.
8769 2006-01-25 Richard Sandiford <richard@codesourcery.com>
8771 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
8773 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
8775 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
8777 2006-01-24 David Daney <ddaney@avtrex.com>
8780 * configure.ac (enable_tls): New enable option.
8781 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
8782 * configure: Regenerate.
8783 * doc/install.texi (--enable-tls): Document new option.
8784 (--disable-tls): Ditto.
8786 2006-01-24 Richard Henderson <rth@redehat.com>
8788 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
8789 * alias.c (true_dependence): Respect it.
8790 (canon_true_dependence, write_dependence_p): Likewise.
8791 * builtins.c (get_builtin_sync_mem): Set it.
8793 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
8795 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
8798 2006-01-24 DJ Delorie <dj@redhat.com>
8800 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
8801 for storing constants in single-bit bitfields.
8803 2006-01-25 Ben Elliston <bje@au.ibm.com>
8805 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
8807 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
8810 * tree-ssa-pre.c (phi_translate): Return NULL
8811 for AGGREGATE_TYPE's.
8813 2006-01-24 Zack Weinberg <zackw@panix.com>
8815 * genautomata.c (process_state_for_insn_equiv_partition):
8816 Use xcalloc for insn_arcs_array.
8817 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
8818 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
8820 2006-01-24 Richard Henderson <rth@redhat.com>
8822 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
8825 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
8827 PR rtl-optimization/25890
8828 PR rtl-optimization/25905
8829 * combine.c (expand_compound_operation, expand_field_assignment):
8830 Fail if the bitfield's final position is out of bounds.
8832 2006-01-24 Ian Lance Taylor <ian@airs.com>
8835 * cgraphunit.c (cgraph_output_in_order): Don't clear
8836 cgraph_asm_nodes until after asm strings have been output.
8838 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
8840 * fix-header.c (read_scan_file): Add new parameter imultilib when
8841 calling register_include_chains.
8843 2006-01-23 Diego Novillo <dnovillo@redhat.com>
8845 * omp-low.c: Update documentation.
8847 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
8848 Daniel Berlin <dberlin@dberlin.org>
8852 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
8853 return from the function.
8855 2006-01-22 Zack Weinberg <zackw@panix.com>
8857 * rtl.def (match_code): Add second argument.
8858 * genpreds.c (write_extract_subexp): New function.
8859 (write_match_code): Add path argument. Use write_extract_subexp.
8860 (write_predicate_expr): Pass path to write_match_code.
8861 (mark_mode_tests): MATCH_CODE applied to a subexpression does
8862 not perform a mode test.
8863 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
8864 a subexpression does not constrain the top-level code set.
8865 * read-rtl.c (read_rtx_variadic): New function.
8866 (read_rtx_1): Use it; allow AND and IOR to be variadic.
8867 * doc/md.texi: Document new notation.
8868 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
8869 (cmpsi_operand): ... here, using new notation.
8871 2006-01-22 Zack Weinberg <zackw@panix.com>
8873 * varray.c: Remove GENERATOR_FILE #ifdefs.
8875 2006-01-22 Zack Weinberg <zackw@panix.com>
8877 * genautomata.c (output_reserved_units_table): Emit nothing if
8878 description->query_units_num is zero. Remove extra blank line.
8879 (output_cpu_unit_reservation_p): Short circuit
8880 if description->query_units_num is zero.
8882 2006-01-22 Zack Weinberg <zackw@panix.com>
8884 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
8885 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
8886 nor any of the random handful of variables that used to be necessary
8887 when this program was linked with rtlanal.o. Prune set of forward
8888 function declarations.
8889 (struct attr_desc): Remove static_p field.
8890 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
8891 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
8892 (attr_string): Do not read the character one past the length of
8894 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
8895 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
8896 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
8897 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
8898 (make_automaton_attrs): New.
8899 (main): Do not call into genautomata. Call local gen_bypass
8900 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
8901 Remove special case for insn_alts.
8902 * genautomata.c: Include gensupport.h; not genattrtab.h nor
8903 varray.h (leftover from previous change). Prune set of forward
8904 function declarations. Remove state_alts fields from all
8905 structures. Remove state_alts_table from struct automaton.
8906 Make everything except main static. Do not maintain num_dfa_decls.
8907 Do not maintain state_alts fields of various structures.
8908 (process_decls): Don't validate condexp for dm_insn_reserv decls.
8909 (add_arc): Remove state_alts argument. All callers updated.
8910 (output_reserved_units_table): Emit #ifdef here...
8911 (output_tables): ...not here. Don't generate state_alts tables.
8912 (expand_automata): Don't generate attributes.
8913 (write_automata): Don't generate state_alts functions.
8914 (main): New function.
8915 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
8916 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
8917 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
8918 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
8919 (BYPASS_P_FUNC_NAME, output_state_alts_table)
8920 (output_automata_list_state_alts_code, output_internal_state_alts_func)
8921 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
8922 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
8924 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
8925 * genattrtab.h: Delete file.
8926 * Makefile.in (OBJS-common): Add insn-automata.o.
8927 (insn-automata.o): New rule.
8928 (simple_generated_c): Add insn-automata.c.
8929 (build/genattrtab.o, build/genautomata.o): Update dependencies.
8930 (genprogmd): Add automata.
8931 (build/genattrtab): Needs no extra objects nor libraries.
8932 (build/genautomata): Needs build/vec.o and -lm.
8934 2006-01-22 Zack Weinberg <zackw@panix.com>
8936 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
8937 (output_dfa_max_issue_rate, locked_states_num): Delete.
8938 (struct automaton): Add locked_states field.
8939 (output_dead_lock_vect): Save number of locked states in
8940 automaton->locked_states. If it is zero, don't print anything.
8941 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
8942 (output_internal_dead_lock_func): Only test the dead_lock_vect
8943 for automata that have locked states.
8944 (output_statistics): Always print the number of locked states for
8945 each automaton. Calculate total number of locked states here.
8946 (write_automata): Don't call output_dfa_max_issue_rate.
8947 * genattrtab.c: Define length_unit_log as a const variable.
8948 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
8949 max_insn_queue_index const.
8950 * final.c (length_unit_log): Declare const.
8951 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
8953 2006-01-22 Zack Weinberg <zackw@panix.com>
8955 * genautomata.c: Include vec.h, not varray.h.
8956 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
8957 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
8958 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
8959 VEC_* macros operating on appropriately typed vectors, or to
8960 malloced arrays when the size is known in advance. Const-ify
8961 many char* variables and function arguments. No functional changes.
8962 * Makefile.in (build/varray.o): Delete rule.
8963 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
8964 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
8966 2006-01-22 Zack Weinberg <zackw@panix.com>
8968 * gensupport.c: Define get_insn_name and record_insn_name here.
8969 (read_md_rtx): Call record_insn_name as appropriate.
8970 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
8971 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
8972 * genpreds.c, genrecog.c: Don't define get_insn_name nor
8974 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
8975 (BUILD_VARRAY): Delete.
8976 (genprognormal): Rename genprogmd. Fold in all programs from
8977 genprognoprint; also attrtab.
8978 (build/genattrtab): Just mention genautomata.o and varray.o.
8979 Reorganize a bit, add comments to make the categories clearer.
8981 2006-01-22 Zack Weinberg <zackw@panix.com>
8983 * genconditions.c (condition_table, add_condition): Delete.
8984 (write_conditions): Don't emit n_insn_conditions nor
8985 insn_elision_unavailable. Issue the gcc version #ifdef here,
8986 inside the table, with no #else clause ...
8987 (write_header): ...not here.
8988 (write_writer): New function.
8989 (main): Don't initialize condition_table. Use add_c_test.
8991 * gensupport.c (init_md_reader_args_cb): Handle multiple input
8992 files on the command line.
8993 (maybe_eval_c_test): Don't check insn_elision_unavailable.
8994 Return -1 if there is no entry in the table, don't abort.
8995 (add_c_test, traverse_c_tests): New functions.
8996 * gensupport.h (insn_elision_unavailable, insn_conditions)
8997 (n_insn_conditions): Delete declarations.
8998 (add_c_test, traverse_c_tests): Declare.
8999 * read-rtl.c: Include gensupport.h.
9000 (read_conditions): New function.
9001 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
9002 (read_rtx_1): If we get EOF when we were looking for an initial
9003 open paren, return 0. Call read_conditions when appropriate.
9004 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
9005 dummy-conditions.o. Eliminate references to insn-conditions.o,
9006 or change them to build/gencondmd.o, as appropriate. Remove
9007 insn-constants.h from $(simple_generated_h) and insn-conditions.c
9008 from $(simple_generated_c). For all files remaining in those
9009 two lists, add insn-conditions.md to the generator command line.
9010 Give insn-constants.h/s-constants their own rules. Add rules
9011 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
9012 (build/read-rtl.o): Depend on gensupport.h.
9013 (genprognormal): Include preds.
9014 (genprogearly): Rename genprognoprint; only difference is now that
9015 they don't link with $(BUILD_PRINT).
9016 * dummy-conditions.c: Delete.
9018 2006-01-22 Zack Weinberg <zackw@panix.com>
9020 * genextract.c: Don't include insn-config.h. Do include vec.h.
9021 Declare vectors of int, char, and locstr.
9022 (locstr): New typedef.
9023 (struct extraction): Make all array fields into bare pointers.
9024 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
9025 (insn_code_number): Delete.
9026 (accum_extract): New struct.
9027 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
9028 (gen_insn): Take insn_code_number as an argument. Use an
9029 accum_extract structure instead of loading data directly into
9030 a struct extraction, and having to know how big it might get.
9031 (walk_rtx): Operate entirely on an accum_extract structure.
9032 (print_path): Avoid unnecessary use of printf.
9033 (print_header): New function, split out of main. Distinguish
9034 more carefully between an unrecognizable insn and an insn that
9035 has the code number of a define_expand.
9036 (main): Pass insn_code_number to gen_insn. Call print_header
9037 only after parsing. Avoid unnecessary use of printf.
9038 * Makefile.in (build/vec.o): New rule.
9039 (build/genextract): Depend on build/vec.o.
9040 (build/genextract.o): Don't depend on insn-config.h.
9042 2006-01-22 Zack Weinberg <zackw@panix.com>
9044 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
9045 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
9046 practical. Eliminate per-generator-program link rules.
9048 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
9051 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9052 with a call expr to ...
9053 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9055 2006-01-23 Richard Guenther <rguenther@suse.de>
9057 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
9058 before make_edge with conditional EDGE_TRUE_VALUE.
9060 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
9061 Jan Hubicka <jh@suse.cz>
9062 Richard Guenther <rguenther@suse.de>
9064 PR rtl-optimization/25654
9065 * cfgexpand.c (aggregate_contains_union_type): New function.
9066 (add_alias_set_conflicts): Call it. Make sure to add conflicts
9067 for structure variables that contain a union type.
9069 2006-01-23 Richard Sandiford <richard@codesourcery.com>
9071 * gengtype.c (new_structure): Return the structure.
9072 (create_option): Add an extra "next" argument.
9073 (create_field): New function.
9074 (adjust_field_rtx_def): Use create_option and create_field.
9075 Remove a now-unnecessary call to find_structure.
9076 (adjust_field_tree_def): Likewise.
9077 (note_yacc_type): Remove an unnecessary call to find_structure.
9078 * gengtype.h (new_structure): Return the structure.
9079 (create_option): Add an extra argument.
9080 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
9081 (option): Adjust calls to create_option.
9083 2006-01-22 David Edelsohn <edelsohn@gnu.org>
9085 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
9087 2006-01-22 Paul Brook <paul@codesourcery.com>
9088 Peter Barada <peter@the-baradas.com>
9090 * config/m68k/m68k.md: Add Coldfire FPU support.
9091 Define FP mode macro and associated attributes.
9092 Use it for float mode patterns.
9093 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
9094 (LIBCALL_VALUE): Use m68k_libcall_value.
9095 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
9096 (m68k_function_value): Ditto.
9097 (emit_move_sequence): Ditto.
9098 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
9099 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
9100 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
9101 (MULTILIB_EXCEPTIONS): Ditto.
9102 * config/m68k/m68k.opt: Add mcfv4e.
9103 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
9104 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
9105 (m68k_output_function_prologue): Save ColdFire FPU registers.
9106 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
9107 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
9108 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
9109 ColdFire FPU registers.
9110 (m68k_libcall_value, m68k_function_value): New functions.
9111 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
9112 (LIBCALL_VALUE): Use m68k_libcall_value.
9113 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
9114 (MASK_COLDFIRE): Add MASK_CFV4E.
9115 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
9116 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
9117 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
9118 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
9119 (GO_IF_LEGITIMATE_ADDRESS): Use it.
9120 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
9121 * doc/invoke.tex: Document -mcfv4e on m68k.
9123 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
9125 * doc/contribute.texi: Change CVS to SVN and update the corresponding
9128 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
9131 * c-opts.c (c_common_handle_option): Don't include
9132 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
9133 * doc/invoke.texi (C++ Dialect Options): Document that
9134 -Wnon-virtual-dtor is no longer included in -Wall.
9136 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
9138 * gcov.c (print_version), gcov-dump.c (print_version),
9139 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
9142 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
9144 * df-scan.c (problem_SCAN): Added NULL reset function.
9145 (df_scan_reset_blocks): Added code to call reset block function
9146 (df_bb_refs_delete) Fixed comment.
9147 (df_insn_refs_delete): Made tolerant of deleting non existent info
9148 for dataflow problems that need to be reset.
9149 * df-core.c (df_set_blocks): Ditto.
9150 * df.h (struct df_problem): Added reset_fun.
9151 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
9152 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
9153 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
9154 functions to clear out all references to def-use or use-def chains.
9156 2006-01-21 Ben Elliston <bje@au.ibm.com>
9158 * varasm.c (assemble_real): Initialise data array.
9160 2006-01-20 Paul Brook <paul@codesourcery.com>
9162 Merge from csl-arm-branch.
9163 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
9164 * config/arm/arm.md (movdi): Force operands[1] to a register
9165 if we have a non-register source.
9166 (*arm_movdi, *movdf_soft_insn): Require that one of the
9167 operands be a register.
9168 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
9169 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
9171 2006-01-20 DJ Delorie <dj@redhat.com>
9173 * varasm.c (initialize_constant_valid_p): Allow pointers
9174 initialized from integer constants of lesser precision.
9175 (output_constant): Allow non-int-sized pointer modes to be
9176 initialized from integer constants.
9178 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
9181 * cppdefault.h (struct default_include): Add multilib flag.
9182 * cppdefault.c (cpp_include_defaults): Set it.
9183 * c.opt (-imultilib): New option.
9184 * c-opts.c (imultilib): New.
9185 (c_common_handle_option): Handle -imultilib.
9186 (c_common_post_options): Likewise.
9187 * c-incpath.c (add_standard_paths, register_include_chains):
9189 * c-incpath.h (register_include_chains): Add extra parameter.
9190 * gcc.c (do_spec_1): Generate -imultilib option.
9191 (The Specs Language): Update %I description.
9192 (process_command): Update copyright notice.
9193 * doc/cppopts.texi (-imultilib): Document.
9194 * doc/invoke.texi (-imultilib): Include in option summary.
9195 (%I): Update specs documentation.
9197 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9199 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
9201 2006-01-20 Richard Sandiford <richard@codesourcery.com>
9203 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
9206 2006-01-20 Richard Guenther <rguenther@suse.de>
9207 Steven Bosscher <stevenb.gcc@gmail.com>
9209 PR rtl-optimization/24626
9210 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
9211 EDGE_TRUE_VALUE if in RTL mode.
9214 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
9215 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
9217 2006-01-20 Dirk Mueller <dmueller@suse.com>
9220 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
9221 instead of a special NOP marker.
9222 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
9223 NOP marker handling.
9224 * c-common.h (empty_body_warning): Add forward declaration.
9225 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
9226 Now uses IS_EMPTY_STMT() instead of special NOP markers.
9228 2006-01-20 Paul Brook <paul@codesourcery.com>
9230 * Makefile.in (lang_checks): Keep going if mkdir fails.
9232 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9234 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
9235 be able to clean out basic block when not necessary.
9236 (df_scan_free): Fixed to properly delete information if df is
9237 unused before calling df_finish.
9238 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
9239 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
9241 (df_bb_refs_delete): New function.
9242 (df_refs_delete): Moved per block code to df_bb_refs_delete.
9243 * df-core.c (df_set_blocks): Added code to properly clean out
9244 unused blocks if they are not part of the blocks to consider.
9245 Added additional null check.
9246 (df_compact_blocks): Added basic block parameter to free_bb_fun to
9247 be able to clean out basic block when not necessary
9248 * df.h (df_free_bb_function): Ditto.
9249 (df_bb_refs_delete): New function.
9250 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
9251 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
9252 basic block parameter to be able to clean out basic block when not
9254 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
9255 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
9256 Fixed to properly delete information if df is unused before
9259 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
9261 PR rtl-optimization/25799
9262 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
9263 Corrected confluence operator to remove bits from op2 before oring
9264 with op1 rather than removing bits from op1.
9265 (df_ru_transfer_function): Corrected test on wrong bitmap which
9266 caused infinite loop. Both of these problems were introduced in
9267 the dataflow rewrite.
9269 2006-01-19 DJ Delorie <dj@redhat.com>
9271 * reload1.c (find_reload_regs): Note the details of reload
9272 failures in the dump file.
9273 (spill_failure): Likewise.
9275 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
9277 * loop-iv.c: Include df.h and hashtab.h.
9278 (enum iv_grd_result): New enum.
9279 (DF_REF_IV, DF_REF_IV_SET): New macros.
9280 (struct biv_entry): New.
9281 (df, bivs): New global variables.
9282 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
9283 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
9285 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
9286 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
9287 analyzed_for_bivness_p, record_biv): New functions.
9288 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
9289 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
9290 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
9292 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
9294 (iv_number_of_iterations): Use new interface to iv analysis.
9295 * loop-unroll.c: Do not include varray.h.
9296 (analyze_iv_to_split_insn): Use new interface to iv
9298 * loop-unswitch.c (may_unswitch_on): Ditto.
9299 * df.c (df_bitmaps_free): Only work for bbs for that structures are
9301 (df_bb_modify): Realloc tables to the new index.
9302 (df_find_use): New function.
9303 * df.h (df_find_use): Declare.
9304 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
9306 * cfgloop.h (struct rtx_iv): Remove analysed field.
9307 (iv_get_reaching_def): Removed.
9308 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
9309 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
9310 (loop-iv.o): Add df.h and hashtab.h dependency.
9311 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
9313 2006-01-20 Alan Modra <amodra@bigpond.net.au>
9316 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
9318 (__floatundisf, __floatundidf): Likewise.
9319 * libgcc2.h (IS_IBM_EXTENDED): Define.
9321 2006-01-19 DJ Delorie <dj@redhat.com>
9323 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
9325 2006-01-19 Paul Brook <paul@codesourcery.com>
9327 * config/arm/arm.c (arm_compute_func_type): Treat all functions
9328 as nothrow when unwinding tables are disabled.
9330 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9333 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
9334 of bit-field" when in system header.
9336 2006-01-19 DJ Delorie <dj@redhat.com>
9338 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
9339 the 16 bit shift limit of the m16c.
9341 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
9344 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
9345 * config/i386/i386.c (output_set_got): Output the label if we have one
9346 for the TARGET_DEEP_BRANCH_PREDICTION case.
9348 2006-01-19 Jan Hubicka <jh@suse.cz>
9349 H.J. Lu <hongjiu.lu@intel.com>
9350 Evandro Menezes <evandro.menezes@amd.com>
9352 * invoke.texi (generic): Document
9354 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
9355 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
9356 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
9357 (x86_use_incdec, x86_pad_returns): New variables
9358 (TARGET_CPU_DEFAULT_generic): New constant
9359 (TARGET_CPU_DEFAULT_NAMES): Add generic.
9360 (enum processor_type): Add generic32 and generic64.
9361 * i386.md (cpu attribute): Add generic32/generic64
9362 (movhi splitter): Behave sanely when both partial_reg_dependency and
9363 partial_reg_stall are set.
9364 (K8 splitters): Enable for generic as well.
9365 * predicates.md (incdec_operand): Use TARGET_INCDEC
9366 (aligned_operand): Avoid memory mismatch stalls.
9367 * athlon.md: Enable for generic64, new patterns for 128bit moves.
9368 * ppro.md: Enable for generic32
9369 * i386.c (generic64_cost, generic32_cost): New.
9370 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
9371 (x86_use_leave): Enable for generic64. (x86_use_sahf,
9372 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
9373 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
9374 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
9375 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
9376 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9377 x86_accumulate_outgoing_args, x86_prologue_using_move,
9378 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
9379 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
9381 (x86_use_incdec, x86_pad_returns): New.
9382 (override_options): Add generic32 and generic64, translate "generic"
9383 to generic32/generic64 and "i686" to "generic32", refuse
9384 "generic32"/"generic64" as arch target.
9385 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
9386 (ix86_reorg): Honor PAD_RETURNS.
9388 2006-01-19 Diego Novillo <dnovillo@redhat.com>
9390 * tree-pretty-print.c (dump_generic_node): Handle
9391 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
9392 * cgraph.c (cgraph_expand_queue): Rename from
9393 cgraph_analyze_queue. Update all users.
9394 * cgraphunit.c (cgraph_assemble_pending_functions): Process
9395 cgraph_expand_queue.
9396 (cgraph_expand_all_functions): Likewise.
9397 (cgraph_finalize_pending_functions): Remove. Update callers.
9399 * tree.h (OMP_DIRECTIVE_P): Define.
9400 (OMP_PARALLEL_FN): Define.
9401 (OMP_PARALLEL_DATA_ARG): Define.
9402 (OMP_SECTIONS_SECTIONS): Define.
9403 * tree-pass.h (pass_expand_omp): Declare.
9404 * omp-low.c (struct omp_region): Declare.
9405 (struct omp_context): Remove fields 'parallel_type',
9406 'parallel_start_ix' and 'parallel_start_additional_args'.
9408 (struct omp_for_data): Rename from struct expand_omp_for_data.
9409 (omp_regions): New static variable.
9410 (root_omp_region): New static variable.
9411 (find_omp_clause): Make static.
9412 (is_in_combined_parallel_ctx): Remove.
9413 (is_combined_parallel): New.
9414 (extract_omp_for_data): Move earlier in the file.
9415 (workshare_safe_to_combine_p): New.
9416 (get_ws_args_for): New.
9417 (determine_parallel_type): Move earlier in the file.
9418 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
9420 (omp_copy_decl): Likewise.
9421 (create_omp_child_function): Likewise.
9422 (lookup_omp_region): New.
9423 (dump_omp_region): New.
9424 (debug_omp_region): New.
9425 (debug_all_omp_regions): New.
9426 (new_omp_region): New.
9427 (scan_omp_parallel): If parallel_nesting_level > 1, the
9428 directive is nested within another parallel directive.
9429 Set OMP_PARALLEL_FN.
9430 (scan_omp_for): Do not try to handle combined parallel+for
9432 Remove FIXME comment.
9433 (scan_omp_nested): Remove.
9434 (scan_omp_1): Do not call scan_omp_nested when
9435 parallel_nesting_level is > 1.
9436 Do not change the DECL_CONTEXT of local variables found.
9437 (lookup_decl_in_outer_ctx): New.
9438 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
9439 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
9440 (lower_reduction_clauses): Rename from expand_reduction_clauses.
9441 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
9442 If CTX is nested, lookup VAR in the outer context when
9443 building copy assignment.
9444 (lower_send_clauses): Rename from expand_send_clauses.
9445 If CTX is nested, lookup VAR in the outer context when
9446 building copy assignments.
9447 (lower_send_shared_vars): Rename from expand_send_shared_vars.
9448 If CTX is nested, lookup VAR in the outer context when
9449 building copy assignments.
9450 (expand_parallel_call): Rename from build_parallel_call.
9451 Handle combined parallel+workshare cases.
9452 Re-implement to emit code into the CFG.
9454 (expand_omp_parallel): Re-implement to emit code into the CFG.
9455 Call move_sese_region_to_fn to outline the sub-graph
9456 containing the parallel region.
9457 (expand_omp_for_1): Remove.
9458 (expand_omp_for_generic): Re-implement to emit code into the
9460 (expand_omp_for_static_nochunk): Likewise.
9461 (expand_omp_for_static_chunk): Likewise.
9462 (expand_omp_for): Likewise.
9463 (expand_omp_sections): Likewise.
9464 (remove_exit_barriers): New.
9465 (expand_omp_synch): New.
9467 (build_omp_regions_1): New.
9468 (build_omp_regions): New.
9469 (execute_expand_omp): New.
9470 (gate_expand_omp): New.
9471 (pass_expand_omp): Define.
9472 (lower_omp_sections): Rename from expand_omp_sections.
9473 Set OMP_SECTIONS_SECTIONS.
9474 (lower_omp_single_simple): Rename from expand_omp_single_simple.
9475 (lower_omp_single_copy): Rename from expand_omp_single_copy.
9476 (lower_omp_single): Rename from expand_omp_simple.
9477 (lower_omp_master): Rename from expand_omp_master.
9478 (lower_omp_ordered): Rename from expand_omp_ordered.
9479 (lower_omp_critical): Rename from expand_omp_critical.
9480 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
9481 (lower_omp_for): Re-implement.
9482 (lower_omp_parallel): Re-implement.
9483 (lower_regimplify): Rename from expand_regimplify.
9484 (lower_omp_1): Rename from expand_omp_1.
9485 If there are syntax errors in the program, replace every
9486 OpenMP directive with NOP.
9487 Call lower_omp_* instead of expand_omp_*.
9488 (lower_omp): Rename from expand_omp.
9490 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
9491 * tree-gimple.h (enum omp_parallel_type): Remove.
9492 (gimple_boolify): Declare extern.
9493 (find_omp_clause, determine_parallel_type): Remove.
9495 * gimple-low.c (lower_omp_directive): New.
9496 (lower_stmt): Call it.
9497 (record_vars_into): Move from ...
9498 (record_vars): ... here.
9499 Call record_vars_into with current_function_decl.
9501 * gimplify.c (struct gimplify_ctx): Remove fields
9502 combined_pre_p and combined_ctxp. Update users.
9503 (get_formal_tmp_var): Add documentation.
9504 (gimple_boolify): Make extern.
9505 (gimplify_expr_in_ctx): Remove. Update callers.
9506 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
9507 will always be a BIND_EXPR.
9508 (gimplify_expr): Handle OMP_RETURN_EXPR.
9509 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
9510 (OMP_PARALLEL): Add 3 operands.
9511 (OMP_SECTIONS): Add 1 operand.
9512 (OMP_RETURN_EXPR): Define.
9514 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
9515 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
9516 * tree-iterator.c (alloc_stmt_list): Assert that we are not
9517 creating a circular free list.
9518 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
9520 * tree-flow.h (move_sese_region_to_fn): Declare.
9521 (record_vars_into): Declare.
9522 * tree-cfg.c (make_omp_sections_edges): New.
9523 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
9524 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
9525 OMP_SECTIONS and OMP_SECTION.
9526 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
9527 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
9528 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
9529 (gather_blocks_in_sese_region): New.
9530 (struct move_stmt_d): Declare.
9532 (move_block_to_fn): New.
9533 (move_sese_region_to_fn): New.
9535 * passes.c (init_optimization_passes): Schedule
9536 pass_expand_omp after pass_init_datastructures.
9538 * tree-ssa-operands.c (get_expr_operands): Handle
9539 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
9540 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
9542 2006-01-19 Jeff Law <law@redhat.com>
9544 * tree-vrp.c (extract_range_from_assert): Refine the result range
9545 if the variable referenced by the ASSERT_EXPR has a range and
9546 either the tentative result range or the previous range is a
9549 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9551 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
9553 2006-01-19 Jan Hubicka <jh@suse.cz>
9555 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
9557 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
9559 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
9560 (expand_compound_operation, expand_field_assignment): Fail if the
9561 bit lengths of an extract operation are out of range.
9562 (make_extraction): Compute wanted_inner_mode based on the position
9563 and length of the extraction. Make it extraction_mode for non-constant
9564 positions, and do not modify offset in that case. When generating a
9565 new MEM, use a mode that can hold the extraction while keeping correct
9566 alignment. Remove code that supported MEMs wrapped by USEs.
9567 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
9569 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
9571 * config/s390/s390.md ("Y", "y"): New mode attribute.
9572 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
9573 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
9574 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
9575 "*addsi3_imm_cc", "*addsi3_carry1_cc",
9576 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
9577 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
9578 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
9579 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
9580 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
9581 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
9582 "addsi3", "subsi3"): Insn patterns removed.
9583 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
9584 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
9585 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
9586 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
9587 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
9588 "*sub<mode>3_cconly2"): New insn patterns.
9589 ("addsi3", "subsi3"): New expanders.
9591 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
9593 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
9594 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
9595 existing STMT_VINFO_VECTYPE if available.
9596 (vect_mark_relevant): Add special handling for stmts that are
9597 marked as STMT_VINFO_IN_PATTERN_P.
9598 (vect_analyze_loop): Call vect_pattern_recog.
9599 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
9600 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
9602 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
9603 (vect_recog_func_ptr): New function-pointer type.
9604 * tree-vect-patterns.c: New file.
9605 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
9606 (vect_recog_dot_prod_pattern, vect_pattern_recog):
9607 (vect_pattern_recog_1): New functions.
9608 (vect_pattern_recog_funcs): New array of function pointers.
9610 * tree-vectorizer.h (ternary_op): New enum value.
9611 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
9612 declaration. Revised documentation. Removed redundant dump prints.
9613 Removed redundant argument. Added support for reduction patterns.
9614 (vectorizable_reduction): Added support for reduction patterns.
9615 (vect_transform_stmt): Added support for patterns.
9617 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
9618 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
9619 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
9620 (expand_widen_pattern_expr): New function.
9621 (init_optabs): Initialize new optabs udot_prod_optab,
9623 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
9624 (sdot_prod_optab, udot_prod_optab): Define new optabs.
9625 (expand_widen_pattern_expr): New function declaration.
9626 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
9628 * tree-inline.c (estimate_num_insns_1): Added cases for new
9629 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9630 * tree-pretty-print.c (dump_generic_node): Likewise.
9631 (op_prio): Likewise.
9632 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
9633 * tree-ssa-operands.c (get_expr_operands): Added case for
9635 * tree-vect-patterns.c (widened_name_p): New function.
9636 (vect_recog_dot_prod_pattern): Added function implementation.
9637 * tree-vect-transform.c (get_initial_def_for_reduction): Added
9638 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
9639 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
9640 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
9642 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
9643 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
9644 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
9645 (init_optabs): Initialize new optabs widen_ssum_optab,
9647 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
9648 (widen_ssum_optab, widen_usum_optab): Define new optabs.
9649 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
9650 use instead of type of def.
9651 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
9652 function implementation.
9653 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
9654 widen_ssumv8hi): New.
9656 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
9659 2006-01-19 Richard Sandiford <richard@codesourcery.com>
9662 * c-decl.c (add_flexible_array_elts_to_size): New function.
9663 (finish_decl): Use it.
9665 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
9667 * diagnostic.h: Include options.h.
9668 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
9669 dependancies for diagnostic.h.
9670 * Makefile.in (DIAGNOSTIC_H): Add options.h.
9672 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
9674 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
9675 (ssa_ro_call_cache_valid): Ditto.
9676 * tree-ssa-alias.c (sort_tags_by_id): New function.
9677 (init_transitive_clobber_worklist): Ditto.
9678 (add_to_worklist): Ditto.
9679 (mark_aliases_call_clobbered): Ditto.
9680 (compute_tag_properties): Ditto.
9681 (set_initial_properties): Ditto.
9682 (compute_call_clobbered): Ditto.
9683 (compute_may_aliases): Call compute_call_clobbered and grouping.
9684 (compute_flow_sensitive_aliasing): Remove clobbering related code.
9685 (compute_flow_insensitive_aliasing): Grouping now happens in our
9687 (setup_pointers_and_addressables): Remove clobbering related code.
9688 (add_may_alias): Ditto.
9689 (replace_may_alias): Ditto.
9690 (get_nmt_for): Ditto.
9691 (create_global_var):
9692 (is_escape_site): Return an escape_type enumeration.
9693 * tree-flow-inline.h (is_call_clobbered): Global var does not
9694 imply call clobbered.
9695 (mark_call_clobbered): Take a reason for marking this. Remove
9696 marking of globalness, and cache invalidation.
9697 (clear_call_clobbered): Remove cache invalidation code.
9698 * tree-dfa.c (dump_variable): If details is on, dump the reason
9700 * tree-outof-ssa.c (create_temp): Copy escape mask from original
9702 * tree-flow.h (struct ptr_info_def): Add escape mask member.
9703 (struct var_ann_d): Ditto.
9704 (enum escape_type): New.
9705 (mark_call_clobbered): Adjust prototype.
9706 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
9707 are never call clobbered.
9708 Record reasons for escaping.
9709 * tree-ssa-structalias.h (is_escape_site): Update prototype.
9710 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
9711 (ssa_ro_call_cache_valid): Ditto.
9712 (clobbered_v_may_defs): Ditto.
9713 (clobbered_vuses): Ditto.
9714 (ro_call_vuses): Ditto.
9715 (clobber_stats): New.
9716 (init_ssa_operands): Zero out clobber stats.
9717 (fini_ssa_operands): Print out clobber stats.
9718 (get_call_expr_operands): Pass callee fndecl to
9720 (add_call_clobber_ops): Remove use of cache.
9721 Add use of PURE_CONST information.
9722 (add_call_read_ops): Remove use of cache.
9723 Add use of static not_read information.
9725 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
9727 Introduce TLS descriptors for i386 and x86_64.
9728 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
9729 (TARGET_ANY_GNU_TLS): New macro.
9730 (enum tls_dialect): Added TLS_DIALECT_GNU2.
9731 (struct machine_function): Add tls_descriptor_call_expanded_p.
9732 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
9733 (ix86_current_function_calls_tls_descriptor): Likewise.
9734 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
9735 (override_options): Introduce gnu2 tls dialect.
9736 (ix86_frame_pointer_required): Functions containing TLSCALLs are
9738 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
9740 (legitimize_tls_address): Adjust logic for GNU2 TLS.
9741 (ix86_init_machine_status): Initialize new field.
9742 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
9743 (ix86_tls_module_base): New.
9744 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
9745 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
9746 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
9747 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
9748 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
9749 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
9750 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
9751 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
9752 * config/i386/predicates.md (tls_modbase_operand): New.
9753 (tp_or_register_operand): New.
9755 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
9757 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
9758 (look_for_address_of): Ditto.
9759 (ipa_init): Walk the function decls.
9760 (static_execute): Don't set readonly on FUNCTION_DECL's.
9762 2006-01-18 Roger Sayle <roger@eyesopen.com>
9764 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
9765 for shifts where the source and destination registers are different.
9767 2006-01-18 Paul Brook <paul@codesourcery.com>
9769 Merge from csl-arm-branch.
9770 2005-03-14 Julian Brown <julian@codesourcery.com>
9771 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
9772 (aeabi_llsl): Likewise.
9773 (ashrdi3): Likewise.
9774 (aeabi_lasr): Likewise.
9775 (lshrdi3): Likewise.
9776 (aeabi_llsr): Likewise.
9777 2005-03-10 Julian Brown <julian@codesourcery.com>
9778 * config.gcc: Disable shared libgcc for SymbianOS.
9779 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
9781 2006-01-18 DJ Delorie <dj@redhat.com>
9783 * c-pragma.c (handle_pragma_diagnostic): New.
9784 (init_pragma): Register it.
9785 * doc/extend.texi: Document it.
9787 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
9788 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
9789 (diagnostic_context): Add classify_diagnostic[].
9790 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
9791 as errors if they're overridden to DK_WARNING.
9792 (diagnostic_initialize): Initialize classify_diagnostic[].
9793 (diagnostic_set_kind_override): New.
9794 (diagnostic_report_diagnostic): Check for kind changes.
9795 * opts.c (common_handle_option): Take lang_mask. Update callers.
9797 * common.opt (Werror=): New.
9798 * doc/invoke.texi: Document -Werror=*
9800 2006-01-18 Jeff Law <law@redhat.com>
9802 * tree-vrp.c (test_for_singularity): Correct test for new
9803 min limit. Use operand_equal_p rather than pointer equality
9804 for testing if new min/max values are equal.
9806 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
9807 using range information until after propagation and folding.
9809 2006-01-18 Richard Henderson <rth@redhat.com>
9810 Aldy Hernandez <aldyh@redhat.com>
9811 Jakub Jelinek <jakub@redhat.com>
9812 Diego Novillo <dnovillo@redhat.com>
9814 * omp-low.c: New file.
9815 * c-omp.c: New file.
9817 2006-01-18 Richard Henderson <rth@redhat.com>
9818 Jakub Jelinek <jakub@redhat.com>
9819 Diego Novillo <dnovillo@redhat.com>
9821 * doc/invoke.texi: Document -fopenmp.
9822 * tree-dump.h (debug_function): Declare.
9823 * hooks.c (hook_bool_tree_bool_false): New function.
9824 (hook_tree_tree_null): Remove.
9825 (hook_tree_tree_tree_null): New.
9826 * hooks.h: Update to match.
9827 * tree-pretty-print.c (debug_tree_chain): New.
9828 (print_generic_expr): Handle TDF_CHAIN.
9829 (dump_generic_node): Handle BLOCK.
9830 Do not abort with incomplete SWITCH_EXPRs.
9831 Do not dump body of an OpenMP directive if TDF_SLIM is given.
9832 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
9833 print space after directive name.
9834 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
9835 Handle OMP_MASTER and OMP_ORDERED.
9836 Handle printing of OMP_BODY just in one place, goto
9837 dump_omp_body in the rest of OMP_* nodes that have
9839 Don't handle clause nodes here. Update omp statements to
9840 use dump_omp_clauses.
9841 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
9842 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
9843 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
9844 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
9845 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
9846 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
9847 Adjust output for GOMP_PARALLEL.
9848 (dump_omp_clauses): New.
9849 (print_declaration): Dump DECL_VALUE_EXPR.
9850 (op_symbol_1): Split out of op_symbol.
9851 (dumping_stmts): Remove. Update all users.
9852 * cgraph.c (cgraph_analyze_queue): New.
9853 (cgraph_add_new_function): New.
9854 * cgraph.h (cgraph_analyze_queue): Declare.
9855 (cgraph_add_new_function): Declare.
9856 (cgraph_lower_function): Remove.
9857 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
9858 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
9859 and TYPE_P nodes in its default clause.
9860 (empty_body_p): New.
9861 (tree_range_check_failed): New.
9863 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
9864 OMP_CLAUSE_REDUCTION_MERGE,
9865 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
9866 OMP_CLAUSE_PRIVATE_DEBUG,
9867 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
9868 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
9869 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
9870 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
9871 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
9872 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
9873 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
9874 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
9875 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
9876 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
9877 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
9878 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
9879 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
9880 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
9881 (TREE_RANGE_CHECK): New.
9882 (empty_body_p): Declare.
9883 (enum omp_clause_default_kind): New.
9884 (build_string_literal): Declare.
9885 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
9886 (build5_stat, build5): Declare.
9887 * tree-pass.h (TDF_CHAIN): Define.
9888 * tree-pass.h (PROP_gimple_lomp): Define.
9889 (pass_lower_omp): Declare.
9890 * diagnostic.h (debug_tree_chain): Declare.
9891 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
9893 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
9894 * builtins.c (build_string_literal): Make extern.
9895 * gcc.c (include_spec_function): New.
9896 (static_spec_functions): Add it.
9897 (main): Move load of libgomp.spec ...
9898 (LINK_COMMAND_SPEC): ... here.
9899 (link_gomp_spec): New.
9900 (static_specs): Include it.
9901 (LINK_COMMAND_SPEC): Add link_gomp.
9902 (GOMP_SELF_SPECS): New.
9903 (driver_self_specs): Include it.
9904 (switch_matches): Don't mark inline.
9905 (main): Load libgomp.spec.
9906 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
9907 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
9908 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
9909 * tree-gimple.h (enum omp_parallel): Declare.
9910 (determine_parallel_type): Declare.
9911 (omp_firstprivatize_variable): Declare.
9912 (omp_reduction_init): Declare.
9913 (diagnose_omp_structured_block_errors): Declare.
9914 (struct walk_stmt_info): Add want_return_expr.
9915 (struct walk_stmt_info): Add want_bind_expr, want_locations.
9916 (find_omp_clause): Declare.
9917 (insert_field_into_struct): Declare.
9918 (struct walk_stmt_info): Move from tree-nested.c
9919 (walk_stmts): Declare.
9920 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
9922 * cgraphunit.c (cgraph_lower_function): Make static.
9923 (cgraph_finalize_pending_functions): New.
9924 (cgraph_finalize_function): Call it.
9925 (cgraph_finalize_compilation_unit): Likewise.
9926 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
9927 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
9928 (BT_FN_UINT_UINT): New.
9929 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
9930 DEF_FUNCTION_TYPE_VAR_4): Document.
9931 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
9932 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
9933 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
9934 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
9935 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
9936 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
9937 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
9938 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
9939 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
9940 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
9941 into separate files.
9942 (DEF_GOMP_BUILTIN): New.
9943 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
9944 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
9945 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
9946 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
9947 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
9948 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
9949 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
9950 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
9951 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
9952 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
9953 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
9954 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
9955 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
9956 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
9957 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
9958 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
9959 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
9960 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
9961 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
9962 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
9963 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
9964 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
9965 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
9966 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
9967 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
9968 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
9969 * sync-builtins.def: New file, moved from builtins.def.
9970 * omp-builtins.def: New file, moved from builtins.def.
9971 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
9972 * gimple-low.c (lower_function_body): Clear data.
9973 (lower_stmt): Do not handle COMPOUND_EXPR.
9974 Remove call to print_node_brief.
9975 * c-tree.h (c_finish_omp_clauses): New prototype.
9976 (C_DECL_THREADPRIVATE_P): Define.
9977 (lookup_name_no_remap, c_omp_remap_private): Remove
9978 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
9979 (check_for_loop_decls): Update decl.
9980 (lookup_name_no_remap, c_omp_remap_private): Declare.
9981 (build_indirect_ref, build_modify_expr, pushdecl,
9982 pushdecl_top_level): Move to c-common.h.
9983 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
9984 before the switch, but just in the 2 places that need it.
9985 * c-decl.c (diagnose_mismatched_decls): Do not check for
9986 mismatched thread-local attributes when OLDDECL is marked
9987 threadprivate and NEWDECL has no thread-local attributes.
9988 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
9989 (c_gimple_diagnostics_recursively): Rename from
9990 c_warn_unused_result_recursively. Invoke
9991 diagnose_omp_structured_block_errors.
9992 (check_for_loop_decls): Return a singular decl found.
9993 * langhooks.c (lhd_omp_predetermined_sharing): Return
9994 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
9995 (lhd_omp_firstprivatize_type_sizes): New.
9996 (lhd_omp_assignment): New.
9997 (lhd_omp_predetermined_sharing): New.
9998 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
9999 (struct lang_hooks_for_types): Add
10000 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
10001 omp_predetermined_sharing, omp_disregard_value_expr,
10002 omp_private_debug_clause, omp_clause_default_ctor,
10003 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
10004 (c_finish_omp_clauses): New.
10005 (c_finish_bc_stmt): Diagnose break within omp for.
10006 (c_begin_omp_parallel, c_finish_omp_parallel): New.
10007 (build_unary_op): Return error_mark after reporting
10009 (build_modify_expr): Likewise.
10010 * gimplify.c: Include optabs.h and pointer-set.h.
10011 (enum gimplify_omp_var_data): Declare.
10012 (struct gimplify_omp_ctx): Declare.
10013 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
10015 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
10016 (push_gimplify_context, pop_gimplify_context): Allow nesting.
10017 (splay_tree_compare_decl_uid): New.
10018 (new_omp_context): New.
10019 (delete_omp_context): New.
10020 (gimple_add_tmp_var): Call omp_add_variable.
10021 (gimplify_bind_expr): Likewise.
10022 (gimplify_var_or_parm_decl): If omp_notice_variable returned
10023 true, disregard DECL_VALUE_EXPR on the decl if any.
10024 (gimplify_expr_in_ctx): New.
10025 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
10026 omp_add_variable, omp_notice_variable, omp_is_private
10027 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
10028 gimplify_adjust_omp_clauses, gimplify_omp_parallel
10029 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
10030 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
10031 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
10032 gimplify_omp_atomic): New.
10033 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10034 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10035 OMP_CRITICAL and OMP_ATOMIC.
10036 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
10037 * c-pragma.h (enum pragma_kind): Add
10038 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
10039 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
10040 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
10041 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
10042 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
10043 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
10044 PRAGMA_OMP_THREADPRIVATE.
10045 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
10046 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
10047 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
10048 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
10049 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
10050 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
10051 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
10052 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
10053 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
10054 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
10055 * tree-ssa-dce.c (find_control_dependence): Do not assume that
10056 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
10057 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
10059 (struct nesting_info): Add field_map,
10060 suppress_expansion, debug_var_chain.
10061 (create_nesting_tree): Initialize them.
10062 (lookup_field_for_decl): Use field_map.
10063 (get_nonlocal_debug_decl, get_local_debug_decl): New.
10064 (convert_local_omp_clauses): New.
10065 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
10066 (walk_body): Split out of walk_function.
10067 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
10068 (convert_nonlocal_reference): Handle omp statements.
10069 (convert_local_reference): Likewise.
10070 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
10071 (unnest_nesting_tree): New.
10072 (lower_nested_functions): Call it.
10073 (insert_field_into_struct): Make extern.
10074 (struct walk_stmt_info): Move to tree-gimple.h.
10075 (walk_stmts): Make extern.
10076 * omp-builtins.def: New file.
10077 * tree-iterator.c (expr_only): Clarify comment.
10078 * c-common.h (pushdecl_top_level, pushdecl,
10079 build_modify_expr, build_indirect_ref,
10080 c_finish_omp_master, c_finish_omp_critical,
10081 c_finish_omp_ordered, c_finish_omp_barrier,
10082 c_finish_omp_atomic, c_finish_omp_flush,
10083 c_finish_omp_for, c_split_parallel_clauses,
10084 omp_clause_default_kind, c_omp_sharing_predetermined,
10085 c_omp_remap_decl): Declare.
10086 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
10087 (OBJS-common): Add omp-low.o.
10088 (c-omp.o, omp-low.o): Add.
10089 (gimplify.o): Add dependency on $(OPTABS_H).
10090 (GTFILES): Add omp-low.c.
10091 (gt-stringpool.h): Add.
10092 * tree-cfg.c (set_bb_for_stmt): Do not update the
10093 block-to-labels map if we are currently expanding to RTL.
10094 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
10096 Handle IDENTIFIER_NODE.
10097 (tree_verify_flow_info): Do not ICE when emitting error
10098 messages about invalid labels.
10099 (dump_function_to_file): Reset CFUN before emitting the body
10101 (debug_function): New.
10102 * passes.c (init_optimization_passes): Schedule
10104 * langhooks-def.h (lhd_omp_predetermined_sharing,
10105 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
10107 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
10108 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
10109 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
10110 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
10111 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
10112 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
10113 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
10114 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
10115 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
10116 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
10117 (LANG_HOOK_DECLS): Use them.
10119 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
10120 Richard Henderson <rth@redhat.com>
10121 Jakub Jelinek <jakub@redhat.com>
10122 Diego Novillo <dnovillo@redhat.com>
10124 * c-parser.c (pragma_omp_clause): Define.
10125 (c_parser_declaration_or_fndef): Document OpenMP syntax.
10126 (c_parser_compound_statement): Likewise.
10127 (c_parser_statement): Likewise.
10128 (c_parser_pragma): Handle omp pragmas.
10129 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
10130 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
10131 (c_parser_omp_clause_name, check_no_duplicate_clause,
10132 c_parser_omp_variable_list,
10133 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
10134 c_parser_omp_clause_copyprivate,
10135 c_parser_omp_clause_default,
10136 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
10137 c_parser_omp_clause_lastprivate,
10138 c_parser_omp_clause_nowait,
10139 c_parser_omp_clause_num_threads,
10140 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
10141 c_parser_omp_clause_reduction,
10142 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
10143 c_parser_omp_all_clauses, c_parser_omp_structured_block,
10144 c_parser_omp_atomic, c_parser_omp_barrier,
10145 c_parser_omp_critical, c_parser_omp_flush,
10146 c_parser_omp_for_loop, c_parser_omp_for,
10147 c_parser_omp_master, c_parser_omp_ordered,
10148 c_parser_omp_sections_scope, c_parser_omp_sections,
10149 c_parser_omp_parallel, c_parser_omp_single,
10150 c_parser_omp_construct, c_parser_omp_threadprivate): New.
10151 * c-pragma.c (init_pragma): Do omp pragma registration here.
10152 * c.opt (fopenmp): New flag.
10154 2006-01-18 Eric Christopher <echristo@apple.com>
10156 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
10157 * config/darwin.h (GOMP_SELF_SPECS): Define.
10159 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10161 * rtl.h: Remove the prototype for reg_alloc.
10163 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10166 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
10167 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
10168 sjlj and dwarf2 exception handling.
10169 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
10170 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
10171 * pa/pa.c (function_value): Treat complex and vector types as
10173 (function_arg): Likewise. Only pass scalar floats in the floating
10174 point argument registers.
10175 * pa/t-slibgcc-dwarf-ver: New file.
10176 * pa/t-slibgcc-sjlj-ver: New file.
10177 * pa/t-slibgcc-elf-ver: Delete file.
10179 2006-01-19 Alan Modra <amodra@bigpond.net.au>
10181 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
10182 unlikely_test_section_p test.
10184 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10186 * mode-switching.c (optimize_mode_switching): Make it static.
10187 * basic-block.h: Remove the prototype for
10188 optimize_mode_switching.
10190 * modulo-sched.c (sms_schedule): Make it static.
10191 * rtl.h: Remove the prototype for sms_schedule.
10193 * postreload-gcse.c (gcse_after_reload_main): Make it static.
10194 * rtl.h: Remove the prototype for gcse_after_reload_main.
10196 * reg-stack.c (reg_to_stack): Make it static.
10197 * rtl.h: Remove the prototype for reg_to_stack.
10199 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
10201 * rtl.h: Remove the prototypes for regrename_optimize and
10202 copyprop_hardreg_forward.
10204 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
10206 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
10207 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
10208 Test against the appropriate null constant for the mode.
10209 If 'fixup_overlap' is true, swap the operands if they overlap.
10210 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
10211 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
10212 alpha_split_tmode_pair and adjust for above change.
10213 * config/alpha/alpha.md (movtf_internal): Adjust call to
10214 alpha_split_tfmode_pair and rely on it to swap the operands.
10215 (movti_internal): New insn and post-reload splitter.
10216 (movti): New expander.
10218 2006-01-18 Philippe De Muyter <phdm@macqel.be>
10220 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
10223 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
10225 * rtlanal.c (global_reg_mentioned_p_1,
10226 global_reg_mentioned_p): Remove.
10227 * rtl.h: Remove the prototype for global_reg_mentioned_p.
10229 * flow.c (initialize_uninitialized_subregs): Make it static.
10230 * rtl.h: Remove the prototype for
10231 initialize_uninitialized_subregs.
10233 * function.c (instantiate_virtual_regs): Make it static.
10234 * function.h: Remove the prototype for
10235 instantiate_virtual_regs.
10237 * regmove.c (regmove_optimize, combine_stack_adjustments):
10239 * rtl.h: Remove the prototypes for regmove_optimize and
10240 combine_stack_adjustments.
10242 2006-01-17 Roger Sayle <roger@eyesopen.com>
10244 * config/i386/i386.c (COSTS_N_BYTES): New macro.
10245 (size_cost): Encode costs in bytes so that a reg-reg addition is
10246 equivalent to COSTS_N_INSNS(1).
10247 (override_options): Use the size_cost.branch_cost as the default
10248 ix86_branch_cost when optimizing for size.
10250 2006-01-18 Ben Elliston <bje@au.ibm.com>
10252 * Makefile.in (D32PBIT_FUNCS): New.
10253 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
10254 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
10255 D64PBIT_FUNCS and D128PBIT_FUNCS.
10256 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
10257 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
10259 (decnumber_dep): Define.
10260 * doc/libgcc.texi (Decimal float library routines): New node.
10261 * config/dfp-bit.h, config/dfp-bit.c: New files.
10263 2006-01-18 Ben Elliston <bje@au.ibm.com>
10265 * expr.c (emit_move_change_mode): Always adjust addresses, not
10266 just during reload. Copy replacements only during reload.
10267 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
10268 emit_move_via_integer.
10270 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
10272 * Makefile.in (check-%, check-consistency): Use $${srcdir}
10273 instead of $(srcdir) and ${srcdir}.
10275 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
10278 PR middle-end/11135
10279 * arm.h (struct machine_function): Add pic_reg.
10280 * arm.c (arm_pic_register): Make unsigned.
10281 (arm_override_options): Only set arm_pic_register if
10282 TARGET_SINGLE_PIC_BASE.
10283 (use_return_insn): Only test for a pic register if it is fixed.
10284 (arm_compute_save_reg0_reg12_mask): Likewise.
10285 (thumb_compute_save_reg_mask): Likewise.
10286 (legitimate_pic_operand): Factor out some known invariants.
10287 (legitimize_pic_address): If we don't have a fixed pic register,
10288 then set up a pseudo in the function entry sequence. Handle the
10289 pic base being in a pseudo.
10290 (arm_load_pic_register): Handle the pic register being in a pseudo.
10291 (arm_expand_prologue): Only set up the pic register if it is fixed.
10292 (thumb_expand_prologue): Likewise.
10293 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
10294 (pic_load_addr_based_insn): Likewise.
10295 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
10298 2006-01-18 Ben Elliston <bje@au.ibm.com>
10300 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
10301 decimal float modes for all floating point registers.
10303 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
10304 match_code "mem" with match_test "macho_lo_sum_memory_operand".
10306 2006-01-17 Jakub Jelinek <jakub@redhat.com>
10309 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
10310 even when the pointer is not NULL.
10312 2006-01-16 Ian Lance Taylor <ian@airs.com>
10314 * common.opt (ftoplevel-reorder): New option.
10315 * cgraph.c (cgraph_asm_nodes): New global variable.
10316 (cgraph_asm_last_node): New static variable.
10317 (cgraph_order): New global variable.
10318 (cgraph_create_node): Set new order field.
10319 (cgraph_varpool_node): Likewise.
10320 (decide_is_variable_needed): Return true if not
10321 flag_toplevel_reorder.
10322 (cgraph_add_asm_node): New function.
10323 * cgraph.h (struct cgraph_node): Add order field.
10324 (struct cgraph_varpool_node): Add order field.
10325 (struct cgraph_asm_node): Define.
10326 (cgraph_asm_nodes, cgraph_order): Declare.
10327 (cgraph_add_asm_node): Declare.
10328 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
10330 (cgraph_varpool_assemble_pending_decls): Call it.
10331 (cgraph_output_pending_asms): New static function.
10332 (cgraph_finalize_compilation_unit): Call it.
10333 (struct cgraph_order_sort): Define.
10334 (cgraph_output_in_order): New static function.
10335 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
10336 !flag_toplevel_reorder case.
10337 * c-parser.c: Include "cgraph.h".
10338 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
10340 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
10341 than -fno-unit-at-a-time.
10342 * doc/invoke.texi (Option Summary): Mention
10343 -fno-toplevel-reorder.
10344 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
10345 -funit-at-a-time documentation.
10347 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
10348 Kazu Hirata <kazu@codesourcery.com>
10350 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
10352 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
10354 * Makefile.in (FUNCTION_H): New. Use it instead of
10355 function.h throughout the file.
10356 * function.h: Include tree.h.
10358 2006-01-17 Ben Elliston <bje@au.ibm.com>
10360 * recog.c: Separate some functions with whitespace.
10362 2006-01-16 Richard Henderson <rth@redhat.com>
10364 Merge from gomp branch:
10365 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
10366 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
10367 and rename from struct inline_data. Rename callee* to dst*;
10368 caller* to src*; add copy_decl hook, transform_call_graph_edges,
10369 transform_new_cfg, transform_return_to_modify, and
10370 transform_lang_insert_block flags; remove cloning_p, versioning_p,
10372 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
10373 (copy_decl_for_dup): Remove.
10374 * tree-inline.c (struct inline_data): Move to header.
10375 (insert_decl_map): Export.
10376 (remap_decl): Update for member name changes. Use copy_decl hook.
10377 Allow for replacement to be a non-decl. Remove dead code.
10378 (remap_type_1): Check for existing mapping.
10379 (remap_type): Export.
10380 (remap_decls): Update for member name changes.
10381 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
10382 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
10383 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
10384 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
10385 (tree_function_versioning, build_duplicate_type): Likewise.
10386 (copy_body_r): Likewise. Export.
10387 (copy_decl_for_dup): Split into ...
10388 (copy_decl_for_dup_finish, copy_decl_to_var,
10389 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
10390 (replace_ref_tree, inlining_p): Remove.
10392 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10394 * ifcvt.c (if_convert): Make it static.
10395 * rtl.h: Remove the prototype for if_convert.
10397 * local-alloc.c (local_alloc): Make it static.
10398 * rtl.h: Remove the prototype for local_alloc.
10400 * loop.c (loop_optimize): Make it static.
10401 * cfgloop.h: Remove the prototype for loop_optimize.
10404 2006-01-16 DJ Delorie <dj@redhat.com>
10406 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
10409 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10411 * pa.md: Disparage copies between general and floating-point registers
10412 in 32-bit move patterns.
10414 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
10417 * Makefile.in (check-%): Depend on site.exp instead of
10418 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
10421 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10423 * global.c (global_alloc): Make it static.
10424 * rtl.h: Remove the prototype for global_alloc.
10426 2006-01-16 Richard Guenther <rguenther@suse.de>
10428 * tree-ssa-alias.c (struct used_part): Add write_only field.
10429 (get_or_create_used_part_for): Initialize it to true.
10430 (create_overlap_variables_for): Don't create structure variables
10431 for structures that only are written to.
10432 (find_used_portions): Handle MODIFY_EXPR to track whether a
10433 structure is only written to.
10435 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10437 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
10439 * basic-block.h: Remove the prototype for
10440 partition_hot_cold_basic_blocks.
10442 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
10444 * cppspec.c (lang_specific_spec_functions): Remove.
10445 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
10446 * gcc.h (lang_specific_spec_functions): Remove.
10447 * gccspec.c (lang_specific_spec_functions): Remove.
10449 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
10451 * combine.c (record_value_for_reg): Invalidate registers
10453 (record_dead_and_set_regs_1): Likewise, by passing them to
10454 record_value_for_reg.
10455 (record_dead_and_set_regs): Invalidate stores made by a
10456 call. We do not combine across a call, but we still
10457 relied on equivalences.
10459 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10461 * tree-vrp.c (extract_range_from_binary_expr): Cope with
10462 vrp_int_const_binop returning non-constant nodes.
10464 2006-01-16 Paul Brook <paul@codesourcery.com>
10466 * config/m68k/m68k.c (output_move_const_into_data_reg):
10467 Output correct mnemonic for mvz and mvs.
10469 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
10471 * rtl-factoring.c: Add sequence abstraction algorithm.
10472 * cfgcleanup.c (outgoing_edges_match): Extra checks.
10473 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
10475 (block_has_preserve_label): New function.
10476 * common.opt: Register new pass.
10477 * Makefile.in: Ditto.
10479 * timevar.def: Ditto.
10480 * tree-pass.h: Ditto.
10481 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
10482 * rtl.h (make_jump_insn_raw): Add forward decl.
10483 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
10485 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
10486 Roger Sayle <roger@eyesopen.com>
10488 * fold-const.c (fold_minmax): New static function.
10489 (fold_binary) <MIN_EXPR>: Call it.
10490 <MAX_EXPR>: Likewise.
10491 * stor-layout.c (place_field): Use DECL_SIZE consistently
10492 in the computation of the new record size.
10494 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
10496 * cse.c (cse_condition_code_reg): Make it static.
10497 * rtl.h: Remove the prototype for cse_condition_code_reg.
10499 * combine.c (combine_instructions): Make it static.
10500 * rtl.h: Remove the prototype for combine_instructions.
10502 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10505 * tree.c (get_file_function_name_long): Concatenate the first global
10506 object name with a string derived from the input filename of the object
10509 2006-01-16 Ben Elliston <bje@au.ibm.com>
10511 * config/i386/winnt-stubs.c: Update FSF address.
10512 * config/xtensa/ieee754-df.S: Ditto.
10513 * config/xtensa/ieee754-sf.S: Ditto.
10515 2006-01-14 Ian Lance Taylor <ian@airs.com>
10517 * ifcvt.c (noce_init_if_info): New static function, broken out of
10518 noce_process_if_block.
10519 (noce_process_if_block): Call noce_init_if_info.
10520 (check_cond_move_block): New static function.
10521 (cond_move_process_if_block): New static function.
10522 (process_if_block): Call cond_move_process_if_block.
10524 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
10526 * cselib.c (hash_table): Rename to cselib_hash_table.
10527 (cselib_clear_table, discard_useless_values,
10528 remove_useless_values, cselib_lookup_mem, cselib_lookup,
10529 cselib_init, cselib_finish): Adjust uses of hash_table.
10531 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
10533 PR tree-optimization/25485
10534 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
10535 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
10536 is known to be false and true, respectively.
10538 2006-01-14 Richard Guenther <rguenther@suse.de>
10540 PR tree-optimization/22548
10541 PR tree-optimization/22555
10542 PR tree-optimization/22501
10543 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
10544 * params.def (salias-max-array-elements): New parameter.
10545 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
10546 * doc/invoke.texi (salias-max-array-elements): Document.
10547 * tree-flow-inline.h (var_can_have_subvars): We also handle
10549 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
10551 * tree-ssa-structalias.c (params.h): Include.
10552 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
10553 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
10554 (get_constraint_for): For ADDR_EXPR operating on something
10555 containing an ARRAY_REF, add all subvars to the solution.
10556 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
10557 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
10558 for creating MUST_DEFs.
10559 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
10561 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
10563 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
10565 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
10566 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10567 number_of_iterations_le): New functions.
10568 (number_of_iterations_special): Removed.
10569 (number_of_iterations_exit): Do not use number_of_iterations_special.
10570 * tree.c (unsigned_type_for): Always return integer type.
10572 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
10573 Richard Guenther <rguenther@suse.de>
10575 PR rtl-optimization/24257
10576 * gcse.c (find_moveable_store): Only consider a store movable
10577 when the SET_SRC of the insn can be assigned to a register.
10579 2006-01-14 Ian Lance Taylor <ian@airs.com>
10581 * tree.c (tree_not_class_check_failed): New function.
10582 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
10583 (tree_not_class_check_failed): Declare.
10585 2006-01-13 Ian Lance Taylor <ian@airs.com>
10587 * reload1.c (do_output_reload): Add assertion rejecting a
10590 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
10592 * combine.c (struct reg_stat): Add new fields truncation_label and
10594 (record_value_for_reg): Reset truncated_to_mode.
10595 (record_truncated_value): New function.
10596 (check_promoted_subreg): Call it. Rename to check_conversions.
10597 (combine_instructions): Rename check_promoted_subreg to
10599 (reg_truncated_to_mode): New function.
10600 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
10601 (gen_lowpart_or_truncate): New function.
10602 (force_to_mode): Use it instead of gen_lowpart.
10604 2006-01-13 Diego Novillo <dnovillo@redhat.com>
10606 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
10607 VAR is a tag, not its type tag.
10609 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
10611 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
10612 alternatives to match style of other entries.
10613 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
10615 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
10617 PR tree-optimization/25771
10618 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
10621 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
10624 * tree-inline.c (declare_return_variable): If the return variable
10625 was marked as a non gimple complex, set the return slot variable
10626 to be a non gimple comple variable.
10628 2006-01-13 Richard Guenther <rguenther@suse.de>
10630 * builtins.c (expand_builtin_sincos): New function.
10631 (expand_builtin_mathfn_3): Remove dead code, sin and cos
10633 (expand_builtin): Expand sincos using expand_builtin_sincos.
10635 2006-01-12 DJ Delorie <dj@redhat.com>
10637 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
10638 shift counts, separate SI shifts for m32c vs m16c, pass shift type
10639 so that constant shifts can be split.
10640 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
10641 (m32c_valid_pointer_mode): Make static.
10642 (shift_gen_func_for): New.
10643 (m32c_prepare_shift): Use it. Split large const shifts into
10645 * config/m32c/predicates.md (shiftcount_operand): Allow more
10647 (longshiftcount_operand): New.
10648 * doc/md.texi (Machine Constraints): Document In6.
10650 2006-01-13 Ben Elliston <bje@au.ibm.com>
10652 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
10653 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
10656 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
10658 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
10659 to try to avoid clobbering pieces of structures when we know
10660 something about the whole structure.
10661 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
10663 2006-01-13 Ben Elliston <bje@au.ibm.com>
10665 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
10666 return in memory, as this is no limitation is no longer present.
10668 2006-01-12 DJ Delorie <dj@redhat.com>
10670 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
10671 mova with fb, and for fb+0 -> An.
10673 * config/m32c/mov.md (peephole2): Fix enabling logic.
10675 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
10676 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
10677 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
10678 FINI_ARRAY_SECTION_ASM_OP): Define.
10680 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
10682 (m32c_legitimize_reload_address): New logic to reload FB to An.
10683 (m32c_output_reg_push): Add newline.
10684 (m32c_output_reg_pop): Likewise.
10686 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
10688 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
10690 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
10692 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
10694 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10696 * config/sh/predicates.md (sh_rep_vec): Add parallel to
10699 2006-01-11 Ben Elliston <bje@au.ibm.com>
10701 * rtlanal.c (find_reg_note): Assert insn is not null.
10703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10705 * df-scan.c (df_hard_reg_init): Move declaration of i outside
10708 2006-01-11 Jeff Law <law@redhat.com>
10710 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
10712 (mark_threaded_blocks, register_jump_thread): New functions.
10713 (thread_through_all_blocks): Remove unwanted argument. No
10714 longer rely on e->aux to communicate thread target info.
10715 Call mark_threaded_blocks. Release the threaded_blocks
10716 bitmap and threaded_edges vector when complete.
10717 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
10718 (threaded_blocks): Remove.
10719 (tree_ssa_dominator_optimize): Remove initialization and
10720 finalization of threaded_blocks. Simplify call to
10721 thread_through_all_blocks.
10722 (thread_across_edge): Call register_jump_thread rather than
10723 storing thread information into e->aux.
10724 (free_all_edge_infos): Simplify now that e->aux is no longer
10725 used to communicate with thread_through_all_blocks.
10726 * tree-flow.h (thread_through_all_blocks): Update prototype.
10727 (register_jump_thread): Prototype.
10729 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10731 * df-core.c (df_compact_blocks, df_bb_replace): Use
10732 SET_BASIC_BLOCK instead of BASIC_BLOCK.
10734 2006-01-11 Richard Guenther <rguenther@suse.de>
10736 PR tree-optimization/25734
10737 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
10738 stop propagation after successful propagation to the LHS.
10740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
10742 * basic-block.h (control_flow_graph): Change the type of
10743 x_basic_block_info to VEC(basic_block,gc) *.
10744 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
10746 (SET_BASIC_BLOCK): New.
10747 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
10748 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
10749 * cfgbuild.c (find_basic_blocks): Likewise.
10750 * cfglayout.c (fixup_reorder_chain): Likewise.
10751 * cfgrtl.c (create_basic_block_structure,
10752 rtl_create_basic_block): Likewise.
10753 * ifcvt.c (find_if_case_1): Likewise.
10754 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
10757 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
10759 * Makefile.in: Removed rotted odf.c entry.
10761 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
10764 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
10765 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
10766 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
10767 output pattern modifier, not %e.
10768 * config/cris/cris.c (cris_op_str): Update comment about pattern
10770 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
10771 before falling through into...
10772 <case 'E'>: Redefined from old 'e' case.
10774 2006-01-11 Jan Hubicka <jh@suse.cz>
10777 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
10779 2006-01-11 Jan Hubicka <jh@suse.cz>
10781 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
10782 * i386.c (x86_decompose_lea): Kill.
10783 (ix86_rtx_costs): Kill.
10785 2006-01-11 Jan Hubicka <jh@suse.cz>
10787 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
10788 * cgraph.h (cgraph_node): Add inline_decl.
10789 (cgraph_insert_node_to_hashtable): Declare.
10790 (save_inline_function_body): Declare.
10791 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
10793 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
10794 (cgraph_function_versioning): Update call of tree_function_versioning.
10795 (save_inline_function_body): New function.
10796 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
10797 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
10798 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
10799 (cgraph_default_inline_p): Likewise.
10800 (cgraph_decide_inlining_incrementally): Likewise.
10801 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
10802 (copy_bb): Kill saving; do updating of clones.
10803 (copy_cfg_body): Kill saving.
10804 (initialize_inlined-parameters): Likewise.
10805 (expand_call_inline): Likewise.
10807 (tree_function_versioning): New parameter "update_clones".
10808 (inlining_p): Kill saving.
10809 * tree-inline.h (tree_function_versioning): Update prototype.
10810 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
10813 2006-01-11 Ian Lance Taylor <ian@airs.com>
10815 * combine.c (struct undo): Remove is_int. Enumify types of undos.
10816 Allow undoing set of machine mode.
10817 (do_SUBST): Use enums instead of is_int.
10818 (do_SUBST_MODE): New function.
10819 (SUBST_MODE): New macro.
10820 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
10821 reg and trying to replace reg_regno_rtx with a new register.
10822 (undo_all): Use new enums, handle undoing a PUT_MODE change.
10823 (simplify_set): Use SUBST_MODE.
10824 (distribute_notes): Remove code that tried to update reg notes
10825 for regno_reg_rtx changes.
10827 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
10829 PR tree-optimization/23109
10830 PR tree-optimization/23948
10831 PR tree-optimization/24123
10833 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
10834 * tree-cfg.c (single_noncomplex_succ): New.
10835 * tree-flow.h (single_noncomplex_succ): Declare it.
10836 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10837 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
10838 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
10839 insert_bb, register_division_in, insert_reciprocals,
10840 replace_reciprocal, free_bb): New.
10841 (execute_cse_reciprocals_1): Rewritten.
10842 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
10843 Do not commit any edge insertion. Always compute dominators and
10844 create the allocation pool.
10845 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
10846 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
10847 * targhooks.c (default_min_divistions_for_recip_mul): New.
10848 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
10849 * passes.c (init_optimization_passes): Run recip after tree loop
10851 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
10853 2006-01-11 Danny Berlin <dberlin@dberlin.org>
10854 Kenneth Zadeck <zadeck@naturalbridge.com>
10856 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
10857 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
10858 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
10859 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
10860 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
10861 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
10862 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
10863 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
10864 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
10865 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
10866 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
10867 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
10868 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
10869 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
10870 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
10871 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
10872 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
10873 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
10874 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
10875 DF_SCAN_POST_ALLOC): New macros.
10876 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
10877 df_free_bb_function, df_local_compute_function, df_init_function,
10878 df_dataflow_function, df_confluence_function_0,
10879 df_confluence_function_n, df_transfer_function,
10880 df_finalizer_function, df_free_function, df_dump_problem_function,
10881 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
10882 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
10883 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
10884 df_urec_bb_info, ) New types.
10885 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
10887 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
10888 df_analyze_simple_change_some_blocks,
10889 df_analyze_simple_change_one_block, df_compact_blocks,
10890 df_bb_replace, df_bb_regno_last_use_find,
10891 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
10892 df_insn_regno_def_p, df_find_def, df_find_use,
10893 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
10894 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
10895 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
10896 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
10897 debug_df_chain, df_get_dependent_problem, df_chain_create,
10898 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
10899 df_grow_bb_info, df_chain_dump, df_print_bb_index,
10900 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
10901 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
10902 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
10903 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
10904 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
10905 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
10906 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
10907 df_ref_remove, df_insn_refs_delete, df_refs_delete,
10908 df_reorganize_refs, df_set_state, df_hard_reg_init,
10909 df_read_modify_subreg_p) New public functions.
10910 * df-core.c: The core dataflow solver and glue routines for rtl
10912 (df_init, df_add_problem, df_set_blocks, df_finish,
10913 df_hybrid_search_forward, df_hybrid_search_backward,
10914 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
10915 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
10916 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
10917 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
10918 df_reg_defined, df_find_use, df_reg_used, df_dump,
10919 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
10920 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
10921 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
10922 debug_df_useno, reset_df_after_reload): New functions.
10923 * df-scan.c: The scanning fuctions, once in df.c, completely
10924 rewritten so that they now fully model the functionality of
10925 register usage at the backend.
10926 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
10927 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
10928 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
10929 df_grow_insn_info, df_rescan_blocks, df_ref_create,
10930 df_get_artificial_defs, df_get_artificial_uses,
10931 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
10932 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
10933 df_refs_delete, df_reorganize_refs, df_set_state,
10934 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
10935 df_def_record_1, df_defs_record, df_uses_record,
10936 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
10937 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
10938 df_record_exit_block_uses, df_hard_reg_init): New functions.
10940 * df-problems.c: Seven concrete dataflow problems that use the
10941 scanning in df-scan.c and are solved by the engine in df-core.c.
10942 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
10943 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
10944 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
10945 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
10946 df_ru_free_bb_info, df_ru_alloc,
10947 df_ru_bb_local_compute_process_def,
10948 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
10949 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
10950 df_ru_transfer_function, df_ru_free, df_ru_dump,
10951 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
10952 df_rd_free_bb_info, df_rd_alloc,
10953 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
10954 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
10955 df_rd_transfer_function, df_rd_free, df_rd_dump,
10956 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
10957 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
10958 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
10959 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
10960 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
10961 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
10962 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
10963 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
10964 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
10965 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
10966 df_urec_mark_reg_change, df_urec_check_earlyclobber,
10967 df_urec_mark_reg_use_for_earlyclobber,
10968 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
10969 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
10970 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
10971 df_urec_dump, df_urec_add_problem, df_chain_alloc,
10972 df_chain_create_bb_process_use, df_chain_create_bb,
10973 df_chain_finalize, df_chain_free, df_chains_dump,
10974 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
10975 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
10976 df_reg_lifetime): New functions.
10977 * df.c: Deleted file.
10978 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
10979 consistent with new df api.
10980 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
10981 rest_of_handle_sms): Ditto.
10982 * web.c (unionfind_union, union_defs, entry_register, web_main):
10984 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
10985 invariant_expr_equal_p, find_defs, check_dependencies,
10986 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
10987 free_inv_motion_data, move_loop_invariants): Ditto.
10988 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
10989 Update dependencies.
10990 (odf.c): Added defective entry that was deleted later in day.
10991 * sched-deps.c (sched_analyze_1): Ditto.
10993 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
10995 * tree-ssa-operands.c (get_expr_operands): Record addressable
10996 variables directly. Do not call add_stmt_operands for CONST_DECLs
10998 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
10999 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
11001 2006-01-11 Ben Elliston <bje@au.ibm.com>
11003 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
11004 function returns true in the positive case.
11006 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11009 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
11010 for SI, DI, SF and DF modes. Add alternatives to copy between
11011 general and floating point registers to the 32-bit patterns.
11012 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
11013 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
11014 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
11015 generating 64-bit code.
11016 * config/pa/pa.c (output_move_double): Handle copies between general
11017 and floating registers.
11019 2006-01-10 Stuart Hastings <stuart@apple.com>
11021 * config/i386/i386.md (set_got): Update.
11022 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
11023 (builtin_setjmp_receiver): Mach-O support.
11024 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
11025 (GOT_SYMBOL_NAME): Define.
11026 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
11027 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
11028 * config/i386/i386.c (override_options): Revise for Darwin.
11029 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
11030 support. (darwin_x86_file_end): New. (output_set_got): Add label
11031 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
11032 * config/i386/i386-protos.h (output_set_got): Likewise.
11033 * config/darwin.c (machopic_legitimize_pic_address): Update
11036 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
11038 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
11039 when MODE isn't BLKmode.
11041 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11043 PR rtl-optimization/25367
11044 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
11046 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
11049 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
11050 for a negative bound.
11052 2006-01-10 Richard Guenther <rguenther@suse.de>
11054 * tree-ssa-structalias.c (get_constraint_for_component_ref):
11055 Never override with anything constraint.
11057 2006-01-10 Jan Beulich <jbeulich@novell.com>
11059 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
11060 256 bits when optimize_size.
11062 2006-01-10 Jan Beulich <jbeulich@novell.com>
11064 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
11066 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
11067 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
11070 2006-01-10 Ben Elliston <bje@au.ibm.com>
11072 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
11074 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
11075 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
11076 (USE_FP_FOR_ARG): Reject decimal float modes.
11077 (function_arg_advance): Likewise.
11078 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
11079 (rs6000_handle_altivec_attribute): Do not permit decimal floating
11080 point types in AltiVec vectors.
11081 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
11082 (rs6000_libcall_value): Likewise.
11084 2006-01-09 Bob Wilson <bob.wilson@acm.org>
11086 * config/xtensa/ieee754-df.S: New file.
11087 * config/xtensa/ieee754-sf.S: New file.
11088 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
11089 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
11090 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
11092 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
11094 * config/sh/predicates.md (binary_float_operator,
11095 binary_logical_operator, commutative_float_operator,
11096 equality_comparison_operator, greater_comparison_operator,
11097 less_comparison_operator, logical_operator,
11098 noncommutative_float_operator, shift_operator,
11099 symbol_ref_operand, unary_float_operator): Remove redundant
11102 2006-01-09 Jeff Law <law@redhat.com>
11104 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
11105 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
11106 now unused arguments. Callers updated.
11107 (eliminate_redundant_computations): Remove now unused arguments,
11109 (local_fold): Remove, no longer used.
11110 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
11112 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
11113 (simplify_cond): New function.
11114 (forward_propagate_into_cond): Call simplify_cond.
11116 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
11118 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
11119 (*vec_extractv2di_1_sse): New.
11121 2006-01-09 Ben Elliston <bje@au.ibm.com>
11123 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
11125 2006-01-08 Richard Guenther <rguenther@suse.de>
11127 * tree-ssa-structalias.c (get_constraint_for): Remove
11128 anyoffset argument.
11129 (get_constraint_for_component_ref): Likewise.
11130 (do_deref): Likewise.
11131 (get_constraint_for): Likewise.
11132 (do_structure_copy): Likewise.
11133 (handle_ptr_arith): Likewise.
11134 (find_func_aliases): Likewise. Remove unused need_anyoffset
11137 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
11138 Kaz Kojima <kkojima@gcc.gnu.org>
11140 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
11141 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
11142 (EXTRA_CONSTRAINT_C16): Remove.
11143 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
11144 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
11145 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
11146 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
11147 constants of SHmedia. Handle nested constant expressions of
11149 (andcosts): Fix the costs for SHmedia constants.
11150 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
11151 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
11152 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
11153 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
11154 (movv4hi_i, movv2si_i): Likewise.
11155 (movsi_const): Adjust the second operand of ior so to match with
11156 the Csu constraint.
11157 (movdi_const, movdi_const_32bit): Likewise.
11158 (movdi_const_16bit+1): Don't sign-extend LOW.
11159 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
11161 (*double_shori): Fix the split condition. Use GEN_INT instead
11162 of get_int_mode calls. Mask lower 16-bit of the argument of
11164 (sym2GOTPLT): Remove.
11165 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
11167 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
11168 instead of EXTRA_CONSTRAINT_C16.
11170 2006-01-07 Ian Lance Taylor <ian@airs.com>
11171 David Edelsohn <edelsohn@gnu.org>
11173 PR rtl-optimization/25662
11174 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
11175 for constant operands instead of simplify_gen_binary.
11176 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
11177 after trying simplify_binary_operation
11179 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
11181 * tree.c (iterative_hash_expr): Hash decls based on UID.
11183 2006-01-06 Eric Christopher <echristo@apple.com>
11185 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
11186 (TARGET_UNWIND_EMIT): Fix spelling.
11187 * target.h (gcc_target): Add except_table_label.
11188 * except.c (output_function_exception_table): Use.
11189 * varasm.c (default_emit_except_table_label): New.
11190 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
11192 (asm_out): Add here.
11193 * output.h (default_emit_except_table_label): Prototype.
11194 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
11195 * config/darwin.c (darwin_emit_except_table_label): Define.
11196 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
11198 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
11200 PR tree-optimization/18527
11201 * tree-ssa-loop-niter.c (number_of_iterations_cond,
11202 number_of_iterations_special, number_of_iterations_exit):
11203 Move base and step of an iv to a single structure. Add
11204 no_overflow flag, and use it in # of iterations analysis.
11205 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
11206 folded_casts argument.
11207 (simple_iv): Pass base and step in a structure. Set no_overflow
11209 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
11210 Evaluate expensiveness of computing # of iterations instead of
11211 the final expression.
11212 * tree-scalar-evolution.h (affine_iv): New structure.
11213 (simple_iv): Declaration changed.
11214 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
11215 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
11216 find_givs_in_stmt): Changed due to simple_iv change.
11218 2006-01-06 Jeff Law <law@redhat.com>
11221 * tree-cfg.c (bsi_replace): Rename final argument from
11222 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
11223 change (stmt -> orig_stmt).
11224 * tree-eh.c (verify_eh_throw_stmt_node): New function.
11225 (bsi_remove): Add new argument. Remove EH information
11227 (verify_eh_throw_table_statements): New function.
11228 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
11230 * tree-optimize.c (execute_free_cfg_annotations): Verify
11231 the EH throw statement table after removing annotations.
11232 * except.h (verify_eh_throw_table_statements): Prototype.
11233 * tree-flow.h (bsi_remove): Update prototype.
11234 * tree-vrp.c (remove_range_assertions): Add new argument to
11236 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
11237 * tree-complex.c (expand_complex_div_wide): Likewise.
11238 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
11239 * tree-tailcall.c (eliminate_tailcall): Likewise.
11240 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
11241 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
11242 * tree-nrv.c (tree_nrv): Likewise.
11243 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
11244 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
11245 (combine_blocks): Likewise.
11246 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
11247 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
11248 (cleanup_control_flow): Likewise.
11249 (remove_forwarder_block): Likewise.
11250 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
11251 * tree-sra.c (sra_replace): Likewise.
11252 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
11253 (forward_propagate_single_use_vars): Likewise.
11254 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
11255 * tree-inline.c (expand_call_inline): Likewise.
11256 * tree-vect-transform.c (vect_transform_loop): Likewise.
11257 * tree-outof-ssa.c (rewrite_trees): Likewise.
11258 * tree-cfg.c (make_goto_expr_edges): Likewise.
11259 (cleanup_dead_labels): Likewise.
11260 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
11261 (bsi_move_before, bsi_move_after): Likewise.
11262 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
11263 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
11265 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
11268 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
11270 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
11271 on non gimple variables. Also add checks at the top for decls and
11273 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
11275 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
11276 and IMAGPART_EXPR for creating MUST_DEFs.
11277 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
11278 and NAME_MEMORY_TAG separately from the DECLs.
11280 2006-01-06 Richard Guenther <rguenther@suse.de>
11282 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
11283 annotation, if necessary.
11284 * tree-ssa-pre.c (create_expression_by_pieces): Remove
11285 redundant calls to update_stmt.
11286 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
11289 2006-01-05 Richard Henderson <rth@redhat.com>
11291 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
11293 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11295 * c-typeck.c: Update copyright date.
11297 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
11299 * c-typeck.c (build_c_cast): Always warn when casting
11300 from a pointer to an integer of different size, even if
11301 the node was constant.
11303 2006-01-05 Richard Guenther <rguenther@suse.de>
11305 PR tree-optimization/22555
11306 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
11307 if one structure field is an array.
11308 * tree-ssa-operands.c (get_expr_operands): Continue scanning
11309 operands even if we found a subvar, but ignore VOPs in this
11311 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
11313 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
11315 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
11317 PR middle-end/24998
11318 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
11320 2006-01-05 Richard Guenther <rguenther@suse.de>
11321 Diego Novillo <dnovillo@redhat.com>
11323 * tree-pass.h (TODO_remove_unused_locals): Define.
11324 * gimple-low.c (expand_var_p, remove_useless_vars,
11325 pass_remove_useless_vars): Remove. Update all users.
11326 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
11327 (remove_unused_locals): New function.
11328 * tree-flow.h (remove_unused_locals): Declare.
11329 * passes.c (execute_todo): Call remove_unused_locals if
11330 TODO_remove_unused_locals is set.
11331 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
11332 * tree-ssa-dce.c (pass_dce): Likewise.
11333 * tree-outof-ssa.c (pass_del_ssa): Likewise.
11335 2006-01-05 Richard Guenther <rguenther@suse.de>
11337 * tree-flow.h (struct fieldoff): Decompose field to
11338 type, size and decl.
11339 * tree-ssa-alias.c (create_sft): Take type as parameter.
11340 (create_overlap_variables_for): Store type, size and decl
11341 in the fieldoff structure.
11342 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
11343 of struct fieldoff.
11344 (push_fields_onto_fieldstack): Likewise.
11345 (create_variable_info_for): Likewise. Use offset for the
11346 SFT name if the decl is not available.
11348 2006-01-04 Paul Brook <paul@codesourcery.com>
11350 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
11352 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
11354 * lambda-code.c (can_put_in_inner_loop): Relax
11356 (can_put_after_inner_loop): New function.
11357 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
11358 (perfect_nestify): Change to make copies and modify uses.
11360 2006-01-04 Richard Henderson <rth@redhat.com>
11362 Merge from gomp branch:
11363 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
11364 via integer constant.
11365 (pragma_lex): Remove.
11366 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
11367 rather than parsing it.
11368 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
11369 handle_pragma_extern_prefix): Add %< %> quotes.
11370 (registered_pragmas): New.
11371 (c_register_pragma_1): New.
11372 (c_register_pragma): Use it.
11373 (c_register_pragma_with_expansion): Likewise.
11374 (c_invoke_pragma_handler): New.
11375 (init_pragma): Use cpp_register_deferred_pragma directly for
11377 * c-pragma.h (enum pragma_kind): New.
11378 (pragma_handler): New.
11379 (c_invoke_pragma_handler): Declare.
11380 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
11382 * c-common.h (c_common_pch_pragma): Update decl.
11383 * Makefile.in (c-parser.o): Update dependencies.
11384 (GTFILES): Add c-pragma.h.
11385 * c-parser.c (struct c_token): Add pragma_kind.
11386 (struct c_parser): Add in_pragma.
11387 (c_lex_one_token): Always initialize keyword and pragma_kind.
11388 Extract data for CPP_PRAGMA.
11389 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
11390 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
11391 Don't allow CPP_PRAGMA_EOL if in_pragma.
11392 (c_parser_consume_pragma): New.
11393 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
11394 (c_parser_skip_to_end_of_parameter): Likewise.
11395 (c_parser_skip_to_end_of_block_or_statement): Likewise.
11396 (c_parser_skip_to_pragma_eol): New.
11397 (c_parser_external_declaration): Handle CPP_PRAGMA.
11398 (c_parser_compound_statement_nostart): Likewise.
11399 (c_parser_statement_after_labels): Likewise.
11400 (c_parser_pragma): New.
11401 (pragma_lex): Likewise.
11402 (c_parser_pragma_pch_preprocess): New.
11403 (c_parser_new): Merge into ...
11404 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
11406 2006-01-04 Jeff Law <law@redhat.com>
11409 * tree-cfg.c (bsi_replace): Remove the original statement
11410 from the EH throw statement table.
11412 2006-01-04 Jakub Jelinek <jakub@redhat.com>
11414 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
11415 make the prototype extern "C" and add throw ().
11418 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
11419 and pos non-negative and pos + len <= 32.
11420 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
11421 drop pos + len < HOST_BITS_PER_WIDE_INT test.
11422 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
11425 * c-common.c (handle_vector_size_attribute): Reject zero vector size
11426 as well as sizes not multiple of component size.
11429 * function.c (instantiate_expr): New function.
11430 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
11431 walk its DECL_VALUE_EXPR with instantiate_expr.
11433 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
11434 DW_OP_deref{,_size} if address isn't going to be added.
11436 2006-01-04 Ben Elliston <bje@au.ibm.com>
11438 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
11439 * config/fp-bit.c: Likewise.
11441 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
11443 * dominance.c: Add comment about why we use DFS numbering
11446 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11447 Richard Henderson <rth@redhat.com>
11449 Merge from gomp-branch:
11450 * varasm.c (assemble_variable): Handle thread-local COMMON data.
11451 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
11453 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
11455 PR rtl-optimization/25578
11456 * combine.c (combine_simplify_rtx, force_to_mode): Don't
11457 pass a parameter to simplify_shift_const if changing ASHIFTRT
11460 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
11462 * builtins.c (get_builtin_sync_mem): New function.
11463 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
11464 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
11465 Call get_builtin_sync_mem to generate mem rtx.
11467 2006-01-03 Richard Guenther <rguenther@suse.de>
11470 * stmt.c (add_case_node): Make sure to clear overflow flags
11473 2006-01-03 Jakub Jelinek <jakub@redhat.com>
11475 Merge from gomp-branch.
11476 * config/sparc/sync.md: New file.
11477 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
11478 UNSPECV_LDSTUB): New constants.
11479 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
11480 * config/sparc/predicates.md (memory_reg_operand): New predicate.
11481 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
11484 2006-01-03 Roger Sayle <roger@eyesopen.com>
11486 * combine.c (reg_subword_p): New predicate to test whether the
11487 destination of a set refers to a subword/piece of a register.
11488 (try_combine): Generalize the code to merge the setting of a
11489 pseudo to a constant followed by a set of a subword of that
11490 register to a constant.
11492 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
11494 * basic-block.h (control_flow_graph): Change the type of
11495 x_label_to_block_map to VEC(basic_block,gc) *.
11496 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
11497 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
11499 * tree-ssa-propagate.c (cfg_blocks): Change the type to
11500 VEC(basic_block,heap) *.
11501 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
11502 ssa_prop_fini): Adjust the uses of cfg_blocks.
11504 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
11506 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
11508 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
11509 hashing trees instead of a pointer hash.
11510 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
11511 compare for MEM_EXPR.
11513 PR rtl-optimization/25130
11514 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
11515 when comparing MEMs for GCSE
11517 2006-01-03 Ben Elliston <bje@au.ibm.com>
11519 * targhooks.h (default_decimal_float_supported_p): Declare.
11520 * targhooks.c (default_decimal_float_supported_p): Define.
11521 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
11522 `default_decimal_float_supported_p'.
11523 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
11525 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
11527 * combine.c (apply_distributive_law <SUBREG>): Check
11528 TRULY_NOOP_TRUNCATION.
11530 2006-01-02 Geoffrey Keating <geoffk@apple.com>
11532 * dwarf2out.c (have_switched_text_section): Delete.
11533 (have_multiple_function_sections): New.
11534 (have_location_lists): Make 'bool'.
11535 (add_AT_loc_list): Use 'true' not '1'.
11536 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
11537 (output_loc_list): Use have_multiple_function_sections.
11538 (output_ranges): Likewise.
11539 (dwarf2out_begin_function): Set have_multiple_function_sections if
11541 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
11542 Check function_section rather than DECL_SECTION_NAME.
11543 (dwarf2out_finish): Use have_multiple_function_sections.
11544 Don't clear have_location_lists.
11546 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
11547 Jan Hubicka <jh@suse.cz>
11549 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
11550 case of conditional jump jumping to the next instruction.
11551 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
11552 cases of conditional jump jumping to the next instruction.
11554 2006-01-02 Jan Hubicka <jh@suse.cz>
11556 * i386.c (*_cost): Add COSTS_N_INSNS.
11557 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
11559 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
11562 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
11564 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11566 * config/arm/arm.c (all_fpus): Fix comment typo.
11567 * config/darwin.c: Likewise.
11568 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
11569 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
11570 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
11572 2006-01-01 David Edelsohn <edelsohn@gnu.org>
11574 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
11575 (rs6000_split_compare_and_swapqhi): New.
11576 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
11577 (sync_compare_and_swapqhi_internal): New.
11578 * config/rs6000/rs6000-protos.h: Declare.
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