1 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
4 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
5 operands[1] in insn constraint. Correct type attribute to sselog1.
7 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
10 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
12 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
15 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
16 -march=native if there is no -mtune=*.
18 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
21 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23 * doc/install.texi: Update recommended MPFR version. Remove
24 obsolete reference to cumulative patch.
26 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
29 * c-decl.c (store_parm_decls_oldstyle): Robustify.
31 2006-11-30 Jan Hubicka <jh@suse.cz>
32 Uros Bizjak <ubizjak@gmail.com>
34 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
35 32bit memcpy/memset decriptors.
36 (decide_alg): With -minline-all-stringops and sizes that are best
37 to be copied via libcall still work hard enough to pick non-libcall
40 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
42 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
44 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
45 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
46 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
47 config/sh/sh4-300.md, config/spu/spu-builtins.def,
48 config/spu/spu-c.c, config/spu/spu-modes.def,
49 config/spu/spu.c, config/spu/spu.md,
50 config/spu/spu_internals.h, config/spu/vmx2spu.h,
51 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
52 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
53 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
54 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
57 * config/i386/i386.c: Fix a comment typo.
59 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
61 * config/spu/spu.c (spu_immediate): Remove trailing comma.
62 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
63 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
65 (floatv4siv4sf2): New.
66 (fix_truncv4sfv4si2): New.
67 (floatunsv4siv4sf2): New.
68 (fixuns_truncv4sfv4si2): New.
76 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
77 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
78 spu_resolve_overloaded_builtin instead of static inline functions.
80 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
82 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
83 type instead of the size of its mode to compute the highest and
84 lowest possible values. Still check the size of the mode before
85 flipping the signedness of the comparison.
87 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
89 * config/spu/predicates.md (spu_mov_operand): Add.
90 * config/spu/spu.c (spu_expand_extv): Remove unused code.
91 (print_operand_address, print_operand): Handle addresses containing AND.
92 (spu_split_load, spu_split_store): Use updated movti pattern.
93 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
94 stores in mov patterns for correct operation of reload.
95 (lq, lq_<mode>, stq, stq_<mode>): Remove.
97 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
100 * c-common.c (check_main_parameter_types): Check for error_mark_node.
102 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
104 * common.opt (ftree-combine-temps): Remove.
105 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
106 (coalesce_ssa_name): Don't check for combine-temps.
107 (coalesce_vars): Remove.
108 (check_replaceable): Use num_imm_uses.
109 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
110 check for combine-temps.
111 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
112 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
113 to register_ssa_partition calls.
114 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
115 (init_var_map, delete_var_map): remove refernces to ref_count.
116 (create_ssa_var_map): Never calculate a ref count.
117 (type_var_init): Remove.
118 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
119 (SSA_VAR_MAP_REF_COUNT): Delete.
120 (create_ssa_var_map): Change Prototype to have no parameters.
121 (version_ref_count): Delete.
122 (register_ssa_partition): Remove 'is_use' paramater and don't set the
124 (type_var_num, type_var, type_var_first_partition,
125 type_var_next_partition, type_var_dump, type_var_delete,
126 type_var_remove_partition, type_var_find, type_var_compact,
127 type_var_decompact): Remove.
129 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
131 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
134 2006-12-01 Richard Guenther <rguenther@suse.de>
137 * dwarf2out.c (struct pubname_struct): Make name const.
138 (add_pubtype): Do not xstrdup identifiers.
140 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
142 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
143 multiword accesses are in range.
145 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
147 PR tree-optimization/29921
148 * tree-ssa-ccp.c (canonicalize_float_value): New function.
149 (set_lattice_value): Use canonicalize_float_value.
151 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
153 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
154 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
155 (spu_cpu_cpp_builtins): Remove.
156 (spu_override_options): Don't set warn_main.
157 (spu_force_reg): Move from spu-c.c.
158 (spu_check_builtin_parm): Likewise.
159 (expand_builtin_args): Likewise.
160 (spu_expand_builtin_1): Likewise.
161 (spu_expand_builtin): Likewise.
162 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
163 warn_main and targetm.resolve_overloaded_builtin.
164 * config/spu/spu-c.c (spu_builtin_range): Remove.
165 (spu_check_builtin_parm): Remove.
166 (expand_builtin_args): Remove.
167 (spu_expand_builtin_1): Remove.
168 (spu_expand_builtin): Remove.
169 (spu_cpu_cpp_builtins): Moved from spu.c
170 (spu_force_reg): Remove.
172 2006-12-01 Joseph Myers <joseph@codesourcery.com>
173 David Edelsohn <edelsohn@gnu.org>
176 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
177 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
178 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
179 HARD_REGNO_NREGS_WITH_PADDING): Define.
180 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
181 HARD_REGNO_NREGS_WITH_PADDING): Define.
182 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
183 Use new macros to detect modes with holes; do not look at integer
185 (subreg_offset_representable_p): Check for and disallow cases
186 where the modes use different numbers of bits from registers.
187 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
188 constant for soft-float.
189 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
191 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
193 * config/rs6000/rs6000.md (movtf): Allow soft-float.
194 (movtf_softfloat): New.
196 2006-11-30 Richard Sandiford <richard@codesourcery.com>
198 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
201 2006-11-30 Andrew Macleod <amacleod@redhat.com>
203 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
204 (COALESCE_HASH_FN): New. Define hash function.
205 (partition_pair_map_hash): New. Hash value for a partition pair.
206 (partition_pair_map_eq): New. Equality for hash pairs.
207 (create_coalesce_list): Create hash table.
208 (delete_coalesce_list): Free hash table.
209 (find_partition_pair): Find/create pairs in hash table.
210 (compare_pairs): Sort pairs in ascending order now.
211 (num_coalesce_pairs): New. Number of pairs in hash table.
212 (struct partition_pair_iterator): Iterator struct for pair table.
213 (first_partition_pair): Iterator function for first pair.
214 (end_partition_pair_p): Iterator function for end of iteration.
215 (next_partition_pair): Iterator function for next pair.
216 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
217 (sort_coalesce_list): Sort pairs from hash table into an array.
218 (pop_best_coalesce): Take pairs from the array.
219 (dump_coalesce_list): Update to use hash table or sorted array.
220 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
221 (struct coalesce_list_d): Add hash table related fields.
223 2006-11-30 Jan Hubicka <jh@suse.cz>
226 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
227 memmove/bcopy->memcpy conversion.
229 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
231 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
232 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
233 Default is the largest alignment supported for 32-bit ELF and
234 representable on a 32-bit host.
236 2006-11-30 Janis Johnson <janis187@us.ibm.com>
238 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
240 2006-11-30 Jan Hubicka <jh@suse.cz>
242 * tree-ssa-operands.h (struct ssa_operands): New.
243 * tree-flow-inline.h (gimple_ssa_operands): New function.
244 * tree-flow.h: (struct gimple_df): Add ssa_operands.
245 * Makefile.in: Remove gt-tree-ssa-operands.h
246 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
247 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
248 operand_memory, operand_memory_index, ops_active): Remove statics.
249 (ALLOC_OPTYPE): Update.
250 (operand_build_sort_virtual): Update.
251 (ssa_operands_active): Update.
252 (init_ssa_operands): Update.
253 (fini_ssa_operands): Update.
254 (ssa_operand_alloc): Update.
255 (INITIALIZE_USE): Update.
256 (finalize_ssa_use_ops): Update.
257 (finalize_ssa_v_may_def_ops): Update.
258 (finalize_ssa_vuse_ops): Update.
259 (finalize_ssa_v_must_def_ops): Update.
261 2006-11-30 Richard Guenther <rguenther@suse.de>
263 * tree-vectorizer.h (vectorizable_function): Export.
264 * tree-vect-transform.c (vectorizable_function): Likewise.
265 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
266 type_in to scalar type in recognition of squaring.
267 Make sure the target can vectorize sqrt in recognition
268 of sqrt, set type_in to vector type in this case.
270 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
272 * config/i386/i386.md (R10_REG): New constant.
273 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
274 (ix86_emit_restore_regs_using_mov): Ditto.
275 (ix86_expand_call): Ditto.
276 (x86_output_mi_thunk): Ditto. Also use R10_REG.
278 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
280 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
281 * alias.c (canon_true_dependence): Update comment.
283 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
285 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
286 at the end of a diagnostics message.
288 * alloc-pool.c (pool_free): Postpone clearing the pool entry
289 until after asserting that it was allocated in the right pool.
291 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
292 successor edge information as well. Make output of live regs
293 on exit consistent with live regs on entry.
295 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
298 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
299 insn patterns for TARGET_80387.
300 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
301 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
302 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
303 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
304 Generate truncxf<mode>2 insn patterns for strict SSE math.
306 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
308 * config/i386/i386.md (movsf_1): Enable pattern for standard
309 80387 constants before reload when optimizing for size.
310 (*movdf_nointeger, *movdf_integer): Ditto.
311 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
312 80387 constants before reload when not optimizing for size.
314 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
315 extension of XFmode input operands.
317 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
319 * config/spu/crt0.c (__dso_handle): Define.
321 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
323 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
324 when clearing the used flags.
326 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
328 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
330 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
333 * config/spu/spu.md (extend_compare<mode>): New pattern.
334 (extend_compare): Change to expand and use the above pattern.
336 2006-11-29 Janis Johnson <janis187@us.ibm.com>
338 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
340 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
341 (DFP_INIT_ROUNDMODE): Define.
342 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
343 * mklibgcc.in: Fix dependencies for dfp-bit.c.
345 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
347 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
348 Update documentation.
349 (associate_line_notes_with_blocks): Kill.
350 (extend_bb): Remove basic block argument, put void instead.
351 Remove line number handling for each bb.
352 (save_line_notes): Kill.
353 (restore_line_notes): Kill.
354 (sched_init): Remove line_note_head initialization.
355 Change extend_bb call.
356 (sched_finish): Remove free of line_note_head.
357 (add_block): Change extend_bb call.
358 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
359 rm_line_notes and restore_line_notes calls.
360 (schedule_ebbs): Remove rm_redundant_line_notes.
361 * sched-int.h (struct haifa_insn_data): Remove line_note.
362 (save_line_notes): Remove declaration.
363 (restore_line_notes): Remove declaration.
364 * modulo-sched.c (loop_canon_p): Update debug info printing
365 by using insn locators instead of line note.
366 (sms_schedule): Update debug info printing, by using insn
367 locators instead of line note.
368 * sched-rgn.c (debug_dependencies): Remove handling of case
369 n>0 (line number), since it's a dead code.
370 (schedule_region): Remove save_line_notes and
371 restore_line_notes calls.
373 2006-11-29 Joseph Myers <joseph@codesourcery.com>
375 * config/rs6000/predicates.md (gpc_reg_operand): Check
377 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
378 SImode subregs of SPE vectors.
379 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
380 * jump.c (true_regnum): Require subregs to satisfy
381 subreg_offset_representable_p.
383 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
384 Steven Bosscher <stevenb.gcc@gmail.com>
386 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
387 since it no longer exists.
389 2006-11-29 Duncan Sands <baldrick@free.fr>
391 PR tree-optimization/23744
392 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
394 2006-11-29 Duncan Sands <baldrick@free.fr>
396 PR tree-optimization/23744
397 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
399 2006-11-29 Duncan Sands <baldrick@free.fr>
401 PR tree-optimization/23744
402 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
404 2006-11-29 Jie Zhang <jie.zhang@analog.com>
406 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
408 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
410 * sh.opt (minline-ic_invalidate): New option.
411 (musermode): Adjust comment.
412 * sh.c (sh_initialize_trampoline): Emit library call unless
413 is set; if it is set, don't emit library call if we can use icbi
415 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
416 icbi for TARGET_SH4_300.
417 * t-sh (LIB1ASMFUNCS_CACHE): Set.
418 * doc/invoke.texi: Document -minline-ic_invalidate; Update
419 -musermode documentation.
421 2006-11-29 Jim Tison <jtison@us.ibm.com>
423 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
424 __gthread_recursive_mutex_init): Define.
426 2006-11-29 Joseph Myers <joseph@codesourcery.com>
428 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
429 STRICT_ALIGNMENT and the type is more aligned than the saved
430 registers, copy via a temporary.
432 2006-11-28 Andrew Pinski <pinskia@gmail.com>
435 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
438 2006-11-28 Bob Wilson <bob.wilson@acm.org>
440 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
442 2006-11-28 Jan Hubicka <jh@suse.cz>
444 Privatize SSA variables into gimple_df.
446 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
447 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
448 gimple_nonlocal_all): New accessors.
449 (first_referenced_var): Update.
450 (mark_stmt_modified): Update.
451 (is_call_clobbered): Update.
452 (mark_call_clobbered): Update.
453 (clear_call_clobbered): Update.
454 (mark_non_addressable): Update.
455 * tree-vrp.c (get_value_range): Update.
456 * tree-into-ssa.c (in_ssa_p): Kill.
457 (get_default_def_for): Update.
458 (rewrite_into_ssa): Update.
459 * tree-complex.c (init_parameter_lattice_values): Update.
460 (update_complex_assignment): Update.
461 (update_parameter_components): Update.
462 (expand_complex_libcall): Update.
463 (expand_complex_operations_1): Update.
464 * tree-tailcall.c (arg_needs_copy_p): Update.
465 (add_virtual_phis): Update.
466 (tree_optimize_tail_calls_1): Update.
467 * tree-ssa-dse.c (memory_ssa_name_same): Update.
468 * tree-ssa-copyrename.c
469 (copy_rename_partition_coalesce): Update.
470 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
471 * tree-ssa-propagate.c (set_rhs): Update.
472 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
473 addressable_vars, global_var):Kill.
474 (set_initial_properties): Update.
475 (init_alias_info): Update.
476 (finalize_ref_all_pointers): Update.
477 (setup_pointers_and_addressables): Update.
478 (maybe_create_global_var): Update.
479 (create_global_var): Update.
480 (dump_points_to_info): Update.
481 * function.h (struct gimple_df): Forward declare.
482 (struct function): Add GIMPLE_DF field.
483 * gimplify.c (force_gimple_operand): Update.
484 * tree-dfa.c (referenced_vars, default_defs): KIll.
485 (make_rename_temp): Update.
486 (dump_variable): Update.
487 (referenced_var_lookup): Update.
488 (referenced_var_check_and_insert): Update.
489 (default_def): Rename to ...
490 (gimple_default_def): ... this one; accept cfun argument.
491 (set_default_def): Update.
492 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
493 (cleanup_control_flow): Update.
494 * tree-ssa-pre.c (compute_avail): Update
495 * tree-ssa-live.c (calculate_live_on_entry): Update.
496 * tree-ssa.c (verify_use): Update.
497 (verify_call_clobbering): Update.
498 (verify_call_clobbering): Update.
499 (init_tree_ssa): Update.
500 (delete_tree_ssa): Update.
501 * tree-outof-ssa.c (coalesce_ssa_name): Update.
502 (rewrite_out_of_ssa): Update.
503 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
504 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
506 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
507 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
508 addressable_vars, aliases_computed_p): Kill.
509 (default_def): Rename to...
510 (gimple_default_def): ... this one.
511 (defaule_def_fn): Kill.
512 (num_referenced_vars, ssa_names, num_ssa_names): Update.
513 * tree-ssa-structalias.c (nonlocal_all): Kill.
514 (get_constraint_exp_from_ssa_var): Update.
515 (create_nonlocal_var): Update.
516 (get_constraint_for): Update.
517 (update_alias_info): Update.
518 (find_global_initializers): Update.
519 (intra_create_variable_infos): Update.
520 (intra_create_variable_infos):
521 (find_what_p_points_to): Update.
522 (init_alias_heapvars): Update.
523 * tree-cfg.c (remove_bb): Update.
524 (gimplify_val): Update.
525 * tree-ssa-reassoc.c (get_rank): Update.
526 (init_reassoc): Update.
527 * tree-ssanames.c: Do not include gt-tree-ssanames.h
528 (ssa_names, free_ssanames): Kill.
529 (init_ssanames): Update.
530 (make_ssa_name): Update.
531 (release_ssa_name): Update.
532 (release_defs): Update.
533 (replace_ssa_name_symbol): Update.
534 * tree-ssa-operands.c (access_can_touch_variable): Update.
535 (add_virtual_operand): Update.
536 (add_call_clobber_ops): Update.
537 (add_call_read_ops): Update.
538 (get_call_expr_operands): Update.
539 (get_asm_expr_operands): Update.
541 2006-11-28 Jan Hubicka <jh@suse.cz>
543 * builtins.c: Include tree-flow.h.
544 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
545 assignment; convert memmove to memcpy for sizes greater than 1 where
546 alignment of operands prohibit the partial overlap.
548 2006-11-28 Jan Hubicka <jh@suse.cz>
550 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
551 * cgraph.c (dump_cgraph_node): Dump stack usage.
552 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
553 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
554 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
555 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
556 (cgraph_check_inline_limits): Limit stack growth.
557 * cfgexpand.c: Include tree-inline.h.
558 (account_stack_vars): New function.
559 (expand_one_var): New param to just account the stack; return estimated
561 (expand_used_vars_for_block): Update call of expand_one_var.
562 (account_used_vars_for_block): New function.
563 (estimated_stack_frame_size): Likewise.
564 (init_vars_expansion, fini_vars_expansion): Break out from..
565 (expand_used_vars): ... here.
566 * tree-inline.h (estimated_stack_frame_size): Declare.
567 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
569 2006-11-28 Richard Guenther <rguenther@suse.de>
571 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
572 unsigned long for printing OBJECT_SIZE.
574 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
576 * alias.c (init_alias_analysis): Remove simplification loop
577 after propagating pointers.
579 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
581 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
584 2006-11-27 Bob Wilson <bob.wilson@acm.org>
586 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
588 2006-11-27 Roger Sayle <roger@eyesopen.com>
589 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
591 * c-common.c (constant_fits_type_p): Delete.
592 (unsigned_conversion_warning): Delete.
593 (conversion_warning): Integrate Wconversion warning from
594 unsigned_conversion_warning.
595 (convert_and_check): Integrate Woverflow warning from
596 unsigned_conversion_warning. Reorganize and simplify to avoid
597 dependence upon the middle-end setting TREE_OVERFLOW on integral
598 conversions, by using int_fits_type_p directly.
600 2006-11-27 Tobias Burnus <burnus@net-b.de>
602 * doc/invoke.texi: Fixed typo.
604 2006-11-27 Michael Matz <matz@suse.de>
605 Andreas Krebbel <krebbel1@de.ibm.com>
608 * config/s390/predicates.md (larl_operand): Check addend of larl
609 operand to be in range of -/+2GB.
610 * config/s390/s390.c (legitimize_pic_address): Likewise.
611 Changed type of variable even to HOST_WIDE_INT.
613 2006-11-27 Jan Hubicka <jh@suse.cz>
615 * expr.c (emit_block_move_via_libcall): Export.
616 (clear_storage_via_libcall): Rename to ...
617 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
618 (clear_storage): Update to set_storage_via_libcall.
619 * expr.h (emit_block_move_via_libcall): Declare
620 * config/i386/i386.h (stringop_alg): New enum.
621 (MAX_STRINGOP_ALGS): New constant.
622 (stringop_algs): New struct.
623 (processor_costs): Add memcpy/memset descriptors.
624 (TARGET_REP_MOVEL_OPTIMAL): Remove.
625 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
626 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
628 * config/i386/i386.opt (minline-stringops-dynamically,
629 mstringop-strategy): New
631 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
632 (ix86_expand-clrmem): Rename to ...
633 (ix86_expand_setmem): ... this one; update prototype.
634 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
635 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
636 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
637 nocona_cost, core2_cost, generic_cost, generic64_cost,
638 generic32_cost): Add memcpy/memset descriptors.
639 (x86_rep_movl_optimal): Remove.
640 (stringop_alg): New static variable.
641 (ix86_expand_aligntest): Handle predictions.
642 (override_options): Add strgop_alg handling.
643 (predict_jump): New function.
644 (scale_counter): New function.
645 (expand_set_or_movmem_via_loop): New function.
646 (expand_movmem_via_rep_mov): New function.
647 (expand_setmem_via_rep_stots): New function.
648 (emit_strmov): New function.
649 (expand_movmem_epilogue): New function.
650 (expand_setmem_epilogue_via_loop): New function.
651 (expand_setmem_epilogue): New function.
652 (expand_movmem_prologue): New function.
653 (expand_setmem_prologue): New function.
654 (decide_alg): New function.
655 (decide_alignment): New function.
656 (ix86_exand_movmem): Rewrite.
657 (promote_duplicated_reg): New function.
658 (ix86_expand_clrmem): Rename to ...
659 (ix86_expand_setmem): ... this one. Rewrite.
661 * invoke.texi (minline-stringops-dynamically): New command line option.
662 (mstringop-strategy): Likewise.
664 2006-11-27 Jan Hubicka <jh@suse.cz>
666 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
667 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
668 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
669 * insn-notes.def (FUNCTION_END): Remove.
670 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
671 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
673 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
674 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
675 * cfglayout.c (duplicate_insn_chain): Don't worry about
678 2006-11-27 Richard Guenther <rguenther@suse.de>
679 Zdenek Dvorak <dvorakz@suse.cz>
681 * target.h (struct gcc_target): Add builtin_vectorized_function
683 * target-def.h (TARGET_VECTORIZE): Likewise.
684 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
685 Document new target hook.
686 * targhooks.h (default_builtin_vectorized_function): Declare.
687 * targhooks.c (default_builtin_vectorized_function): Define.
688 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
689 (vectorizable_call): Declare.
690 * tree-vect-analyze.c (vect_analyze_operations): Call
692 * tree-vect-transform.c (vectorizable_function): New static function.
693 (build_vectorized_function_call): Likewise.
694 (vectorizable_call): New function.
695 (vect_transform_stmt): Handle vectorizable calls.
697 2006-11-27 Richard Guenther <rguenther@suse.de>
700 * builtins.c (expand_builtin_pow): Optimize non integer valued
701 constant exponents using sqrt or cbrt if possible. Always fall back
702 to expanding via optabs.
704 2006-11-27 Ira Rosen <irar@il.ibm.com>
706 PR tree-optimization/22372
707 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
708 the type of the base address.
709 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
710 it in the data-ref pointer creation.
711 (vect_init_vector): Add an argument, type of the init vector. Use it in
713 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
714 (get_initial_def_for_reduction): Likewise.
715 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
717 (vectorizable_assignment, vect_permute_store_chain): Likewise.
718 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
719 correct type in stmt creation.
720 (vect_setup_realignment): Use the correct type in stmt creation.
721 (vect_permute_load_chain): Change type of MODIFY_EXPR to
723 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
724 of MODIFY_EXPR to void_type_node.
725 (vectorizable_condition): Change type of MODIFY_EXPR to
727 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
730 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
733 2006-05-08 Uros Bizjak <uros@kss-loka.si>
734 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
735 standard 80387 constants, raise the cost to prevent
736 compress_float_constant() to generate load from memory.
738 * config/i386/i386.md: Add new splitter pattern to split
739 float_extended load of constant from constant pool into
742 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
744 * doc/install.texi: Move GMP/MPFR configure options from Fortran
745 section to general section. Remove documentation for
746 --with-mpfr-dir and --with-gmp-dir, add documentation for
747 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
750 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
752 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
754 * testsuite/gcc.dg/ipa/ipa-6.c: New.
756 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
758 PR tree-optimization/29122
759 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
760 for the new version. Assign NULL to DECL_RTL of the new version.
762 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
764 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
766 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
768 * cse.c (cse_altered): Remove.
769 (record_jump_equiv): Make true/false argument a bool instead
771 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
772 where appropriate. Emit a new jump before the existing one
773 instead of after so that delete_insn_and_edges removes the
774 dead edges properly. Check any_condjump_p before calling
776 (cse_basic_block): Check any_condjump_p before calling
778 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
780 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
782 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
783 -ffixed-line-length-* options.
785 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
787 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
788 (fprem1xf4): Rename to fprem1xf4_i387.
790 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
791 Rename patterns to fmod<mode>3. Use general_operand operand
792 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
793 patterns for SSE math.
794 (remaindersf3, remainderdf3): Ditto.
796 2006-11-25 Joseph Myers <joseph@codesourcery.com>
798 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
799 inside start_sequence / end_sequence pair.
801 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
803 * jump.c (mark_all_labels): Work in cfglayout mode.
804 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
805 when in cfglayout mode, because there are no dead jumptables
807 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
809 (commit_edge_insertions): Do not allow insertion of instructions
810 with control flow insns when in cfglayout mode.
812 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
814 * tree-vrp.c (execute_vrp): Do not pass loops structure through
816 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
817 unswitch_loop): Ditto.
818 * tree-loop-linear.c (linear_transform_loops): Ditto.
819 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
820 tree_ssa_lim): Ditto.
821 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
822 free_numbers_of_iterations_estimates): Ditto.
823 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
824 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
825 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
826 remove_path, add_loop, loopify, unloop, fix_loop_placements,
827 place_new_loop, duplicate_loop, duplicate_subloops,
828 update_single_exit_for_duplicated_loops, copy_loops_to,
829 duplicate_loop_to_header_edge, create_preheaders,
830 force_single_succ_latches, loop_version, fix_loop_structure):
832 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
833 tree_unroll_loop): Ditto.
834 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
835 * tree-scalar-evolution.c (select_loops_exit_conditions,
836 scev_initialize, scev_analysis): Ditto.
837 * tree-scalar-evolution.h (scev_initialize): Ditto.
838 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
839 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
840 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
841 * modulo-sched.c (sms_schedule): Ditto.
842 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
843 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
844 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
845 * ifcvt.c (if_convert): Ditto.
846 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
847 canonicalize_loop_induction_variables,
848 canonicalize_induction_variables,
849 tree_unroll_loops_completely, remove_empty_loops): Ditto.
850 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
851 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
852 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
853 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
854 tree_ssa_loop_done): Ditto.
855 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
856 estimate_bb_frequencies): Ditto.
857 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
858 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
859 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
860 decide_unrolling_and_peeling, peel_loop_completely,
861 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
862 peel_loop_simple, unroll_loop_stupid): Ditto.
863 * loop-doloop.c (doloop_optimize_loops): Ditto.
864 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
865 * loop-invariant.c (move_loop_invariants): Ditto.
866 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
867 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
868 tree_ssa_prefetch_arrays): Ditto.
869 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
871 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
872 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
873 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
874 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
875 verify_loop_structure): Ditto.
876 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
877 canonicalize_induction_variables, tree_unroll_loops_completely,
878 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
879 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
880 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
881 tree_unroll_loop, linear_transform_loops): Declaration changed.
882 * basic-block.h: Remove declaration of struct loops.
883 * cfghooks.h (struct cfg_hooks): Change type of
884 cfg_hook_duplicate_loop_to_header_edge.
885 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
886 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
887 vect_transform_loop): Declaration changed.
888 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
889 * cfgloop.h (flow_loops_dump, fix_loop_structure,
890 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
891 cancel_loop_tree, create_preheaders, force_single_succ_latches,
892 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
893 loopify, loop_version, remove_path, unswitch_loops,
894 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
897 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
899 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
900 (X87MODEF): New mode macro.
901 (ssemodefsuffix): New mode attribute.
902 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
903 (sqrt_extend<mode>xf2_i387): New insn pattern.
904 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
905 insn and truncate result back to original mode using
906 UNSPEC_TRUNC_NOOP truncation.
907 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
908 ssemodefsuffix mode attribute.
909 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
910 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
911 (*sqrtextenddfxf2_i387): Remove insn patterns.
913 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
916 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
918 2006-11-24 Jakub Jelinek <jakub@redhat.com>
921 * c-tree.h (c_maybe_initialize_eh): New prototype.
922 * c-decl.c (finish_decl): Move EH initialization...
923 (c_maybe_initialize_eh): ... here. New function.
924 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
925 if not #pragma omp atomic.
928 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
929 or UNION_TYPE inner types.
931 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
934 * ipa-pure-const.c (check_tree): If the original tree
935 is volatile return early and say the function is not pure
936 nor const. Remove the volatile check for writes.
937 (analyze_function): Print out the result of the local
940 2006-11-24 Joseph Myers <joseph@codesourcery.com>
942 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
944 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
945 * config/rs6000/rs6000.c (rs6000_override_options): Use
946 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
949 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
951 * config/s390.c (s390_emit_compare_and_swap): New function.
952 (s390_expand_cs_hqi, s390_expand_atomic): Call
953 s390_emit_compare_and_swap.
955 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
957 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
959 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
963 * c-common.c (conversion_warning): New.
964 (convert_and_check): Call conversion_warning unless there is an
966 * doc/invoke.texi (-Wconversion): Update description.
968 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
970 * tree-ssa-alias.c (tree_pointer_compare): New function.
971 (compact_name_tags): New function.
972 (group_aliases): Call compact_name_tags.
974 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
976 * real.h (real_isinteger): Declare.
977 * real.c (real_isinteger): Define.
978 * builtins.c (integer_valued_real_p): Use it.
980 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
983 * c.opt (Wtraditional-conversion): New.
984 (Wconversion): Update description.
985 * c-typeck.c (convert_arguments): Warnings for prototypes causing
986 type conversions different from what would happen in the absence
987 of prototype are now handled by Wtraditional-conversion.
988 * doc/invoke.texi (Wtraditional-conversion): New.
989 (Wconversion): Update description.
990 * doc/trouble.texi (Wconversion): Replace Wconversion by
991 Wtraditional-conversion.
993 2006-11-23 Andrew Pinski <pinskia@gmail.com>
995 * predict.c (tree_estimate_probability): Check to make
996 sure current_loops is non null before calling flow_loops_dump.
998 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1000 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1002 2006-11-23 David Ung <davidu@mips.com>
1004 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1006 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1007 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1008 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1009 high part of FP register when in 64-bit FP register mode. Similarly
1010 use gen_mfhc1 to load high part of FP register.
1011 (override_options): Allow -mgp32 and -mfp64 combination if
1012 ISA_HAS_MXHC1 (currently for O32 only).
1013 (mips_cannot_change_mode_class): If floating-point registers are
1014 bigger than word size. disallow conversion of float register from a
1015 large integer mode to a float mode smaller than the float register
1017 (mips_class_max_nregs): Handle float registers case seperately.
1018 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1020 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1021 (movdf_hardfloat_32bit): Similarly.
1022 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1023 support a full 64-bit fpu.
1024 (mthc1): New pattern to generate MTHC1 instruction.
1025 (mfhc1): New pattern to generate MFHC1 instruction.
1026 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1027 option for the MIPS32R2 and mention its use under O32 ABI.
1029 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * var-tracking.c (emit_note_insn_var_location): Take care not to
1032 cause verify_flow_info failures.
1034 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1036 * tree-ssa-structalias.c: Remove edge weights in favor of just
1037 processing them as complex constraints.
1038 (struct constraint_graph): Remove weighted succs and preds. Rename
1039 nonweighted succs and preds.
1040 (constraint_edge): Removed.
1041 (constraint_edge_t): Ditto.
1042 (constraint_edge_pool): Ditto.
1043 (new_constraint_edge): Ditto.
1044 (constraint_edge_equal): Ditto.
1045 (constraint_edge_less): Ditto.
1046 (constraint_edge_vec_find): Ditto.
1047 (erase_self_graph_edge): Ditto.
1048 (add_graph_edge): Removed.
1049 (get_graph_weights): Ditto.
1050 (allocate_graph_weights): Ditto.
1051 (valid_weighted_graph_edge): Ditto
1052 (bitmap_other_than_zero_bit_set): Ditto.
1053 (int_add_graph_edge): Renamed to add_graph_edge.
1054 (clear_edges_for_node): Remove support for weighted edges.
1055 (merge_graph_nodes): Ditto.
1056 (valid_graph_edge): Ditto.
1057 (build_constraint_graph): Ditto.
1059 (collapse_nodes): Ditto.
1060 (process_unification_queue): Ditto.
1061 (topo_visit): Ditto.
1062 (do_ds_constraint): Ditto.
1063 (perform_var_subsitution): Ditto.
1064 (solve_graph): Ditto.
1065 (init_alias_vars): Ditto.
1066 (delete_points_to_sets): Ditto.
1067 (do_complex_constraint): Support offsetted copies here.
1069 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1071 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1073 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1075 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1078 2006-11-23 Ben Elliston <bje@au.ibm.com>
1080 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1082 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1084 PR tree-optimization/29921
1085 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1086 signed and unsigned zero equal.
1088 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1090 * config/rs6000/rs6000.c (get_store_dest): New.
1091 (adjacent_mem_locations): Use get_store_dest() to get
1092 the rtl of the store destination.
1094 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1096 * config/rs6000/spe.md (SPE64): New mode macro.
1097 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1099 (mov_si<mode>_e500_subreg0_2): New.
1100 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1102 (mov_si<mode>_e500_subreg4_2): New.
1103 * config/rs6000/predicates.md (input_operand): Do not allow
1104 invalid E500 subregs.
1105 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1107 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1108 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1109 involving vector modes if TARGET_SPE.
1111 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1114 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1115 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1117 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1119 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1120 mem_i_address_operand): New predicates.
1121 * config/bfin/bfin.c (bfin_issue_rate): New function.
1122 (TARGET_SCHED_ISSUE_RATE): New macro.
1123 * config/bfin/bfin.md (addrtype): New attribute.
1124 (slot0, slot1, slot2, store, pregs): New cpu_units.
1125 (core): Now a define_reservation.
1126 (alu): Remove some insn types from this reservation.
1127 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1129 (dummy reservation): Don't trigger for mcld insns.
1130 (absence_sets): Two new absence sets to enforce slot ordering.
1131 (popsi_insn): Set addrtype.
1133 2006-11-22 Ira Rosen <irar@il.ibm.com>
1135 * doc/c-tree.texi: Document new tree codes.
1136 * doc/md.texi: Document new optabs.
1137 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1139 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1140 * optabs.h (optab_index): Add new.
1141 (vec_extract_even_optab, vec_extract_odd_optab,
1142 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1143 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1144 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1146 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1147 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1148 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1149 along with macros for their access.
1150 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1152 * tree-vect-analyze.c (toplev.h): Include.
1153 (vect_determine_vectorization_factor): Fix indentation.
1154 (vect_insert_into_interleaving_chain,
1155 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1156 (vect_analyze_data_ref_dependence): Add argument for interleaving
1157 check. Check for interleaving if it's true.
1158 (vect_check_dependences): New function.
1159 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1160 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1161 (vect_update_misalignment_for_peel): Update for interleaving.
1162 (vect_verify_datarefs_alignment): Check only first data-ref for
1164 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1165 only first data-ref for interleaving.
1166 (vect_analyze_data_ref_access): Check interleaving, update
1168 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1169 with different parameters.
1170 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1171 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1172 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1173 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1174 Update step in case of interleaving.
1175 (vect_strided_store_supported, vect_permute_store_chain): New
1177 (vectorizable_store): Handle strided stores.
1178 (vect_strided_load_supported, vect_permute_load_chain,
1179 vect_transform_strided_load): New functions.
1180 (vectorizable_load): Handle strided loads.
1181 (vect_transform_stmt): Add argument. Handle strided stores. Check
1182 that vectorized stmt exists for patterns.
1183 (vect_gen_niters_for_prolog_loop): Update calculation for
1185 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1186 whole chain vectorization.
1187 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1188 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1189 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1190 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1191 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1193 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1195 * cse.c (enum taken): Remove PATH_AROUND.
1196 (addr_affects_sp_p, invalidate_skipped_set,
1197 invalidate_skipped_block): Remove.
1198 (cse_end_of_basic_block): Remove skip_blocks and related code.
1199 (cse_main): Don't test for flag_cse_skip_blocks.
1200 Update cse_end_of_basic_block call.
1201 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1202 code to lengthen the path if a jump was simplified.
1204 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1206 PR rtl-optimization/29924
1207 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1208 (unroll_loop_runtime_iterations): Assert that the argument passed to
1209 split_edge_and_insert is not NULL.
1210 * loop-doloop.c (add_test): Ditto.
1212 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1214 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1216 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1217 * cfgloopmanip.c (update_single_exits_after_duplication,
1218 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1219 * tree-scalar-evolution.c (get_loop_exit_condition,
1220 get_exit_conditions_rec, loop_closed_phi_def,
1221 number_of_iterations_in_loop, scev_const_prop): Ditto.
1222 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1223 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1225 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1227 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1228 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1229 slpeel_make_loop_iterate_ntimes,
1230 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1231 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1233 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1234 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1235 vect_analyze_loop_form): Ditto.
1236 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1237 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1238 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1239 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1240 vect_transform_loop): Ditto.
1241 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1242 (single_exit, set_single_exit): New functions.
1243 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1244 (single_exit, set_single_exit): Declare.
1245 * doc/loop.texi: Undocument single_exit field. Document single_exit
1248 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1250 PR tree-optimization/29902
1251 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1252 any involved ssa name appears in abnormal phi node.
1254 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1256 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1257 (xtensa_const_ok_for_letter_p): Delete.
1258 (xtensa_extra_constraint): Delete.
1259 (override_options): Delete xtensa_char_to_class initialization.
1260 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1261 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1262 (EXTRA_CONSTRAINT): Delete.
1263 * config/xtensa/xtensa.md: Include constraints.md.
1264 (call_internal): Combine alternatives.
1265 (call_value_internal): Likewise, and remove invalid constraints.
1266 * config/xtensa/constraints.md: New file.
1267 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1268 (xtensa_extra_constraint): Delete.
1269 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1272 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1274 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1275 of conversion that doesn't fit.
1277 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1278 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1279 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1281 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1283 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1285 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1287 2006-11-21 Richard Guenther <rguenther@suse.de>
1289 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1290 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1291 vect_recog_pow_pattern.
1292 (vect_recog_pow_pattern): New function.
1294 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1296 * config/bfin/bfin.opt (mstack-check-l1): New.
1297 * doc/invoke.texi (Blackfin Options): Document it.
1298 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1299 stack bounds in L1 memory if the new option is enabled.
1300 (override_options): Don't allow combinations of -fstack-limit and
1302 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1305 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1307 (bfin_register_move_cost): Bump costs if trying to move plain
1308 integer values through accumulators.
1310 2006-11-21 Ben Elliston <bje@au.ibm.com>
1312 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1314 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1315 Russell Olsen <Russell_Olsen@playstation.sony.com>
1316 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1317 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1318 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1319 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1320 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1322 * config.gcc: Add target for SPU.
1323 * config/spu/constraints.md: New file.
1324 * config/spu/crt0.c: New file.
1325 * config/spu/crtend.c: New file.
1326 * config/spu/crti.asm: New file.
1327 * config/spu/crtn.asm: New file.
1328 * config/spu/float_unsdidf.c: New file.
1329 * config/spu/float_unssidf.c: New file.
1330 * config/spu/predicates.md: New file.
1331 * config/spu/spu-builtins.def: New file.
1332 * config/spu/spu-builtins.h: New file.
1333 * config/spu/spu-builtins.md: New file.
1334 * config/spu/spu-c.c: New file.
1335 * config/spu/spu-elf.h: New file.
1336 * config/spu/spu-modes.def: New file.
1337 * config/spu/spu-protos.h: New file.
1338 * config/spu/spu.c: New file.
1339 * config/spu/spu.h: New file.
1340 * config/spu/spu.md: New file.
1341 * config/spu/spu.opt: New file.
1342 * config/spu/spu_internals.h: New file.
1343 * config/spu/spu_intrinsics.h: New file.
1344 * config/spu/spu_mfcio.h: New file.
1345 * config/spu/t-spu-elf: New file.
1346 * config/spu/vec_types.h: New file.
1347 * config/spu/vmx2spu.h: New file.
1348 * doc/contrib.texi: Document SPU contributor.
1349 * doc/extend.texi: Document SPU extensions.
1350 * doc/invoke.texi: Document SPU options.
1351 * doc/md.texi: Document SPU constraints.
1353 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1355 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1357 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1359 (flow_loop_dump): Do not dump loop level.
1360 (flow_loops_find): Do not call flow_loops_level_compute.
1361 * cfgloop.h (struct loop): Remove level field.
1363 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1365 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1366 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1367 Use vector of edges instead of array.
1368 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1369 estimate_numbers_of_iterations_loop): Ditto.
1370 * predict.c (predict_loops): Ditto.
1371 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1372 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1374 * basic-block.h: Declare heap allocation for edge vectors.
1375 * tree-outof-ssa.c: Ditto.
1376 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1377 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1379 2006-11-20 Zack Weinberg <zackw@panix.com>
1381 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1382 Add another out parameter, "skip".
1383 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1384 is tagged "skip", do not mark its type used.
1386 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1389 * tree-sra.c (single_scalar_field_in_record_p): New function.
1390 (decide_block_copy): Use it.
1392 2006-11-20 David Daney <ddaney@avtrex.com>
1394 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1395 PC to point to following instruction.
1397 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1401 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1403 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1405 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1407 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1408 Add sh/superh.h to tm_file.
1410 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1411 Mark Mitchell <mark@codesourcery.com>
1413 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1415 (cpp_relocated): New function.
1416 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1418 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1419 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1420 replace configured prefix with gcc_exec_prefix.
1422 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1424 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1425 bfin_legitimate_constant_p.
1426 * config/bfin/bfin.md (movsi expander): Check return value of
1428 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1429 (expand_move): Adjust prototype.
1430 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1431 invalid constants specially.
1432 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1434 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1436 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1437 sibcall_value_symbol): Allow these patterns if
1438 TARGET_LEAF_ID_SHARED_LIBRARY.
1439 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1440 (override_options): Turn on id shared library flags if -msep-data,
1441 but disallow the combination of these options on the command line.
1442 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1443 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1444 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1445 -mid-shared-library.
1446 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1447 * doc/invoke.texi (Blackfin Options): Document new switches.
1449 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1450 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1452 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1453 inflate costs for addresses with an out-of-bounds address.
1455 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1458 * fwprop.c (loops): Remove.
1459 (forward_propagate_into): Use current_loops instead of
1461 (fwprop_init): Call loop_optimizer_init instead of
1463 (fwprop_done): Call loop_optimizer_finalize instead of
1465 (fwprop): Use current_loops instead of loops.
1467 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1470 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1472 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1475 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1476 larger than BITS_PER_WORD.
1478 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1482 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1483 to MAX_FIXED_MODE_SIZE.
1485 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1487 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1488 (fold_builtin_fmin_fmax): New.
1489 (fold_builtin_1): Use it.
1491 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1493 2006-11-18 Richard Guenther <rguenther@suse.de>
1495 * config/i386/i386.c (ix86_builtins): New array for ix86
1496 builtin function decls.
1497 (def_builtin): New function.
1498 (def_builtin_const): Likewise.
1499 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1501 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1503 * doc/invoke.texi (core2): Add item.
1505 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1507 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1508 (TARGET_CPU_DEFAULT_generic): Change value.
1509 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1510 (processor_type): Add new constant PROCESSOR_CORE2.
1512 * config/i386/i386.md (cpu): Add core2.
1514 * config/i386/i386.c (core2_cost): New initialized variable.
1515 (m_CORE2): New macro.
1516 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1517 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1518 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1519 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1520 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1521 x86_accumulate_outgoing_args, x86_prologue_using_move,
1522 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1523 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1524 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1525 x86_pad_returns): Add m_CORE2.
1526 (override_options): Add entries for Core2.
1527 (ix86_issue_rate): Add case for Core2.
1529 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1531 * doc/invoke.texi: Fix mno-isel typo.
1533 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1535 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1536 easy vector constant loads.
1538 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1540 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1541 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1542 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1543 * config/rs6000/sync.md (lwsync): Emit plain sync if
1546 2006-11-17 DJ Delorie <dj@redhat.com>
1548 * reload1.c (reloads_unique_chain): New.
1549 (reloads_conflict): Call it.
1551 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1553 * config/xtensa/predicates.md (addsubx_operand): New.
1554 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1555 (xtensa_emit_bit_branch): New.
1556 (xtensa_emit_movcc): New.
1557 * config/xtensa/xtensa.md (any_minmax): New code macro.
1558 (minmax): New code attribute.
1559 (any_cond, any_scc, any_scc_sf): New code macros.
1560 (*addx2, *addx4, *addx8): Delete.
1562 (*subx2, *subx4, *subx8): Delete.
1564 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1565 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1566 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1567 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1568 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1569 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1570 (movsfcc_internal0, movsfcc_internal1): Likewise.
1571 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1572 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1573 (xtensa_emit_bit_branch): New.
1574 (xtensa_emit_movcc): New.
1575 (function_arg_boundary): Add missing prototype.
1577 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1579 * config/xtensa/xtensa.md (tstsi): Delete
1581 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1583 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1585 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1587 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1589 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1591 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1593 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1595 * tree-vrp.c (execute_vrp): Do not update current_loops.
1596 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1597 * doc/loop.texi: Remove documentation for cancelled functions.
1598 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1599 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1601 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1602 (remove_path): Ensure that in delete_basic_blocks, the loops
1603 are still allocated.
1604 (add_loop): Work on valid loop structures.
1605 (loopify): Modify call of add_loop.
1606 (mfb_update_loops): Removed.
1607 (create_preheader): Do not update loops explicitly.
1608 (force_single_succ_latches, loop_version): Do not use
1609 loop_split_edge_with.
1610 (loop_split_edge_with): Removed.
1611 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1612 Do not use bsi_insert_on_edge_immediate_loop.
1613 (split_loop_exit_edge, tree_unroll_loop): Do not use
1614 loop_split_edge_with.
1615 (bsi_insert_on_edge_immediate_loop): Removed.
1616 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1617 use loop_split_edge_with.
1618 * cfghooks.c: Include cfgloop.h.
1619 (verify_flow_info): Verify that loop_father is filled iff current_loops
1621 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1622 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1624 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1626 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1627 loop_split_edge_with.
1628 (sms_schedule): Use current_loops.
1629 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1630 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1632 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1633 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1634 * ifcvt.c (if_convert): Ditto.
1635 * predict.c (predict_loops): Do not clear current_loops.
1636 (tree_estimate_probability): Use current_loops.
1637 (propagate_freq): Receive head of the region to propagate instead of
1639 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1640 (estimate_loops): New function. Handle case current_loops == NULL.
1641 (estimate_bb_frequencies): Do not allocate tovisit. Use
1643 * tree-ssa-loop.c (current_loops): Removed.
1644 (tree_loop_optimizer_init): Do not return loops.
1645 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1646 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1647 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1648 Do not update loops explicitly.
1649 * function.h (struct function): Add x_current_loops field.
1650 (current_loops): New macro.
1651 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1652 * loop-unroll.c (split_edge_and_insert): New function.
1653 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1654 use loop_split_edge_with.
1655 * loop-doloop.c (add_test, doloop_modify): Ditto.
1656 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1657 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1658 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1659 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1661 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1662 (flow_loops_free): Do not free dfs_order and rc_order.
1663 (flow_loops_find): Do not set dfs_order and rc_order in loops
1664 structure. Do not call loops and flow info verification.
1665 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1666 already belongs to some loop.
1667 * cfgloop.h (struct loops): Remove struct cfg.
1668 (current_loops, loop_split_edge_with): Declaration removed.
1669 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1670 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1671 Declaration removed.
1672 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1673 * basic-block.h (split_edge_and_insert): Declare.
1674 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1676 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1678 PR tree-optimization/29801
1679 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1680 (get_default_value): Use get_symbol_constant_value.
1681 (set_lattice_value): ICE when the value of the constant is
1683 (visit_assignment): Ignore VDEFs of read-only variables.
1685 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1687 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1689 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1690 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1692 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1694 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1695 select subvars of var.
1697 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1700 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1701 optimize if DEF doesn't have integral type.
1703 2006-11-16 Mike Stump <mrs@apple.com>
1705 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1706 pre-darwin9 system, unless the user asks for it directly.
1707 (PREFERRED_DEBUGGING_TYPE): Likewise.
1708 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1709 * config.gcc: Add suppport for darwin9.h.
1710 * config/darwin9.h: Add.
1711 * doc/install.texi (Specific): Clarify darwin documentation.
1713 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1715 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1716 optimizing for size.
1718 2006-11-16 Mike Stump <mrs@apple.com>
1720 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1722 2006-11-16 Dirk Mueller <dmueller@suse.de>
1724 * tree-vrp.c (get_value_range): Use XCNEW instead
1726 (insert_range_assertions): Use XCNEWVEC instead
1727 of XNEWVEC and memset.
1728 (vrp_initialize): Same.
1729 (vrp_finalize): Same.
1730 * tree-ssa-ccp.c (ccp_initialize): Same.
1731 * predict.c (tree_bb_level_predictions): Same.
1732 * calls.c (expand_call): Same.
1733 * tree-ssa-copy.c (init_copy_prop): Same.
1734 (fini_copy_prop): Same.
1735 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1736 of GGC_NEW and memset.
1738 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1741 * gimplify.c (gimplify_expr): Only force a load for references to
1742 non-BLKmode volatile values.
1743 * doc/implement-c.texi (Qualifiers implementation): Document the
1744 interpretation of what a volatile access is.
1745 * doc/extend.texi (C++ Extensions): Rework same documentation.
1747 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1749 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1752 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1754 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1756 (arm_neg_abssi2): Renamed from neg_abssi2.
1757 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1759 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1761 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1762 number of arguments passed to local functions in SSE registers is 3.
1764 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1765 number of arguments passed in SSE registers to 3.
1767 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1770 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1772 (get_last_bb_insn): ... new global function.
1773 (basic_block.h): Declare it.
1774 * haifa-sched.c (create_recovery_block): Use it.
1776 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1779 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1781 2006-11-15 Paul Brook <paul@codesourcery.com>
1783 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1784 _Unwind_GetTextRelBase): Move from here ...
1785 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1786 _Unwind_GetTextRelBase): ... To here.
1788 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1790 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1791 addresses we generate for testing are aligned.
1793 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1796 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1797 to what is the const decl is a place holder for.
1799 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1801 * config/i386/i386.opt: New target option -mx87regparm.
1803 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1804 and float_in_x87 variables. mmx_words, sse_words: Remove.
1805 (X87_REGPARM_MAX): Define.
1807 * config/i386/i386.c (override_options): Error out for
1808 -mx87regparm but no 80387 support.
1809 (ix86_attribute_table): Add x87regparm.
1810 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1811 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1812 (ix86_function_x87regparm): New function.
1813 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1815 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1817 (function_arg_advance): Process x87_nregs and x87_regno when
1818 floating point argument is to be passed in 80387 register.
1819 (function_arg): Pass XFmode arguments in 80387 registers for local
1820 functions. Pass SFmode and DFmode arguments to local functions
1821 in 80387 registers when flag_unsafe_math_optimizations is set.
1823 * reg-stack.c (convert_regs_entry): Disable NaN load for
1824 stack registers that are used for argument passing.
1826 * doc/extend.texi: Document x87regparm function attribute.
1827 * doc/invoke.texi: Document -mx87regparm.
1829 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1831 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1832 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1833 arg MODE; all callers changed. Use it to determine validity per
1834 machine mode instead of using Pmode for all memory references.
1835 (get_address_cost): Likewise add and use new arg MEM_MODE.
1837 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1838 J"orn Rennecke <joern.rennecke@st.com>
1840 * combine.c (likely_spilled_retval_1): Fix masking operation.
1841 (likely_spilled_retval_p): Use proper pattern for call to
1842 likely_spilled_retval_1.
1844 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1846 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1848 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1849 that tests for CONSTANT_POOL_ADDRESS_P.
1851 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1853 PR tree-optimization/29581
1854 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1855 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1856 type is different between Y and USE, create a temporary
1857 variable, initialize it at the beginning of the body bb
1858 and use it as replacement instead of Y.
1860 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1863 * gimplify.c (fold_indirect_ref_rhs): Use
1864 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1866 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1868 * expmed.c (emit_store_flag_1): New function.
1869 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1871 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1872 Use do_compare_rtx_and_jump.
1873 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1874 * arm.md (cstoresi4): New define_expand.
1875 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1876 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1877 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1879 2006-11-14 Caroline Tice <ctice@apple.com>
1881 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1882 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1884 (pubname_table): Redefine as a vector.
1885 (pubtype_table): New static global variable, defined as a vector.
1886 (pubname_table_allocated): Remove static global variable.
1887 (pubname_table_in_use): Remove static global variable.
1888 (PUBNAME_TABLE_INCREMENT): Remove constant.
1889 (size_of_pubnames): Add parameter to deal with either pubnames or
1890 pubtypes, and change code to deal with table being a vector.
1891 (add_pubname): Change to deal with table being a vector.
1892 (add_pubtype): New function.
1893 (output_pubnames): Add parameter to deal with either pubnames or
1894 pubtypes, and change code to deal with table being a vector.
1895 (gen_array_type_die): Add call to add_pubtype.
1896 (gen_enumeration_type_die): Add call to add_pubtype.
1897 (gen_struct_or_union_type_die): Add call to add_pubtype.
1898 (gen_subroutine_type_die): Add call to add_pubtype.
1899 (gen_typedef_die): Add call to add_pubtype.
1900 (dwarf2out_init): Add code to initialize pubname_table and
1901 pubtype_table vectors; also initialize debug_pubtypes_section.
1902 (prune_unused_types): Change to deal with pubnames being a vector.
1903 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1904 pubnames table to call to output_pubnames; Add code to output pubtypes
1905 table if DEBUG_PUBTYPES_SECTION is defined.
1906 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1908 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1910 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1912 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1913 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1914 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1915 movv2si_internal): Support moves between core registers.
1917 2006-11-14 Eric Christopher <echristo@apple.com>
1919 * configure: Regenerate with autoconf 2.59.
1921 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1923 Fix PR tree-optimization/27755
1925 * tree-ssa-pre.c: Update comments.
1926 (bb_bitmap_sets): Add pa_in and deferred member.
1927 (BB_DEFERRED): New macro.
1928 (maximal_set): New variable.
1929 (pre_stats): Add pa_insert member.
1930 (bitmap_set_and): Short circuit orig == dest.
1931 (bitmap_set_subtract_values): New function.
1932 (bitmap_set_contains_expr): Ditto.
1933 (translate_vuses_through_block): Add phiblock argument.
1934 (dependent_clean): New function.
1935 (compute_antic_aux): Update for maximal_set changes.
1936 (compute_partial_antic_aux): New function.
1937 (compute_antic): Handle partial anticipation.
1938 (do_partial_partial_insertion): New function.
1939 (insert_aux): Handle partial anticipation.
1940 (add_to_sets): Add to maximal set.
1941 (compute_avail): Ditto.
1942 (init_pre): Initialize maximal_set.
1943 (execute_pre): Do partial anticipation if -O3+.
1945 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1947 PR rtl-optimization/29798
1949 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1950 TARGET_INSN before any other check.
1951 (fwprop_init): Always calculate dominators.
1952 (fwprop_done): Always free them.
1954 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1956 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1959 2006-11-13 DJ Delorie <dj@redhat.com>
1961 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1962 temporary for intermediates.
1964 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1966 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1967 (sh_optimize_target_register_callee_saved): #if 0 the code
1968 using NOTE_INSN_LOOP_{BEG,END}.
1970 2006-11-13 Roger Sayle <roger@eyesopen.com>
1972 * fold-const.c (optimize_bit_field_compare): Recursively call
1973 fold when simplifying non-constant comparisons between bit-fields.
1975 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1977 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1979 * configure: Rebuilt.
1981 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1983 * config/rs6000/cell.md: New file.
1984 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1986 (ppccell_cost): New cost matrix.
1987 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1988 (rs6000_override_options): Set rs6000_always_hint to false
1989 for cell. Also align functions/lables/loops to 8byte
1990 for the Cell. Use PROCESSOR_CELL.
1991 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1992 using_mtcr_multiple.
1993 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1994 on the Cell, return 0.
1995 (rs6000_adjust_cost): Add Cell cost adjustments.
1996 (is_microcoded_insn): Return true for Cell microcoded
1998 (is_nonpipeline_insn): New function.
1999 (rs6000_issue_rate): Add PROCESSOR_CELL.
2000 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2002 (rs6000_use_sched_lookahead_guard): New function.
2003 (rs6000_sched_reorder): Reorder the ready list, if the second
2004 to last ready insn is a nonepipeline insn on the Cell.
2005 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2006 (ASM_CPU_SPEC): Add Cell.
2007 * config/rs6000/rs6000.md (cpu): Add Cell.
2008 (cell_micro): New Attr.
2011 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2013 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2015 * configure: Rebuilt.
2017 2006-11-13 Richard Guenther <rguenther@suse.de>
2019 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2021 (ix86_expand_lfloorceil): Likewise.
2022 (ix86_expand_rint): Likewise.
2023 (ix86_expand_floorceildf_32): Likewise.
2024 (ix86_expand_floorceil): Likewise.
2025 (ix86_expand_rounddf_32): Likewise.
2026 (ix86_expand_truncdf_32): Likewise.
2027 (ix86_expand_round): Likewise.
2029 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2030 Mark Mitchell <mark@codesourcery.com>
2032 * gcc.c: Organize search path variables into $prefix relative,
2033 and well-known native. Add comments.
2034 (add_sysrooted_prefix): Add comment.
2035 (process_command): If !gcc_exec_prefix add $prefix based paths.
2036 If *cross_compile == '0', add native well-known paths.
2037 Assert tooldir_base_prefix is always relative.
2038 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2039 use this value for 'install:' path.
2040 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2042 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2044 * config/i386/i386.c: Fix a typo in comment.
2046 2006-11-13 Michael Matz <matz@suse.de>
2048 * genemit.c (gen_expand): Allocate enough memory.
2050 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2052 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2053 __GXX_TYPEINFO_EQUALITY_INLINE but not
2054 __GXX_MERGED_TYPEINFO_NAMES.
2055 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2056 __GXX_MERGED_TYPEINFO_NAMES.
2057 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2058 __GXX_TYPEINFO_EQUALITY_INLINE.
2060 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2061 Zdenek Dvorak <dvorakz@suse.cz>
2063 PR tree-optimization/29680
2064 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2067 2006-11-12 Jason Merrill <jason@redhat.com>
2068 Andrew Pinski <pinskia@physics.uc.edu>
2071 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2073 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2075 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2076 * tree.c (build_vector): Handle non-_CST elements.
2078 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2080 * genemit.c (gen_insn): Call gen_exp with a non-null used
2081 when handling multiple insns.
2082 (gen_expand): Likewise.
2083 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2084 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2085 (movsi_const_16bit+1): Copy operands[1].
2086 (call_pcrel): Copy the call_site pattern.
2087 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2089 2006-11-12 Roger Sayle <roger@eyesopen.com>
2091 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2092 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2093 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2094 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2096 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2098 Fix PR tree-optimization/29587
2099 * tree-ssa-structalias.c (process_constraint): Don't
2100 mark address taken due only to escaped vars constraint.
2102 2006-11-12 Michael Matz <matz@suse.de>
2103 Roger Sayle <roger@eyesopen.com>
2105 PR rtl-optimization/29797
2106 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2107 BITS_BIG_ENDIAN targets.
2109 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2111 * builtins.c (fold_builtin_cosh): New.
2112 (fold_builtin_1): Use it.
2113 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2114 trunc to the list of "odd" functions. Also add llrint, lrint,
2115 rint and nearbyint when flag_rounding_math is false.
2117 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2119 * tree-flow.h (name_mappings_registered_p): Declare.
2120 * tree-into-ssa.c (name_mappings_registered_p): New function.
2121 * tree-cfg.c (tree_can_merge_blocks_p): Check
2122 name_mappings_registered_p instead of need_ssa_update_p.
2124 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2126 * tree-ssa-loop.c (tree_vectorize): Return the result of
2128 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2129 if anything changed.
2130 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2131 * tree-flow.h (vectorize_loops): Declaration changed.
2133 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2135 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2137 (issue_prefetch_ref): Move assignment to write_p out of loop.
2138 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2139 SIMULTANEOUS_PREFETCHES into account.
2140 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2141 * lambda-code.c (lcm): Renamed to ...
2142 (least_common_multiple): ... and exported.
2143 * tree-flow.h (least_common_multiple): Declare.
2145 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2147 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2148 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2149 ud-chains. Handle AND_EXPR.
2150 (record_estimate): Record whether the estimate is realistic
2151 and whether it is derived from a loop exit.
2152 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2153 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2155 (compute_estimated_nb_iterations): Take only realistic bounds into
2156 account. Set estimate_state. Use double_ints.
2157 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2158 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2159 that do not have to be always executed.
2160 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2161 to determine whether to call infer_loop_bounds_from_undefined
2162 and compute_estimated_nb_iterations.
2163 (n_of_executions_at_most): Use double_ints.
2164 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2165 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2166 * double-int.c (double_int_to_tree): Improve comment.
2167 (double_int_fits_to_tree_p): New function.
2168 * double-int.h (double_int_fits_to_tree_p): Declare.
2169 * tree-data-ref.c: Include langhooks.h.
2170 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2171 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2172 (analyze_array): Do not pass estimate_only argument to
2173 analyze_array_indexes.
2174 (get_number_of_iters_for_loop): Build tree from the stored double_int
2176 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2177 (find_data_references_in_loop): Use find_data_references_in_stmt.
2178 * tree-data-ref.h (struct data_ref_loc_d): New.
2179 (get_references_in_stmt): Declare.
2180 (estimate_iters_using_array): Declaration removed.
2181 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2182 double_int. Improve comments. Add is_exit and realistic
2184 (struct loop): Changed type of estimated_nb_iterations to double_int.
2185 Added estimate_state field.
2186 (record_estimate): Declaration removed.
2188 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2190 * params.c (set_param_value): Initialize the "set" field.
2191 * params.h (struct param_info): Add "set" field.
2192 (PARAM_SET_P): New macro.
2193 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2194 L1_CACHE_LINE_SIZE): New macros.
2195 * toplev.c (DEFPARAM): Initialize the "set" field.
2196 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2197 SIMULTANEOUS_PREFETCHES): Removed.
2198 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2199 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2200 * config/sparc/sparc.c: Include params.h.
2201 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2202 L1_CACHE_LINE_SIZE parameters.
2203 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2205 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2207 * config/i386/i386.c: Include params.h.
2208 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2209 (override_options): Set SIMULTANEOUS_PREFETCHES and
2210 L1_CACHE_LINE_SIZE parameters.
2211 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2212 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2213 L1_CACHE_LINE_SIZE parameters.
2214 * config/ia64/ia64.c (ia64_optimization_options): Set
2215 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2216 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2218 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2219 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2220 * doc/invoke.texi: Document new params.
2222 2006-11-12 Roger Sayle <roger@eyesopen.com>
2224 PR tree-optimization/13827
2225 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2228 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2230 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2231 update_single_exit_for_duplicated_loops): New functions.
2232 (duplicate_loop_to_header_edge): Use
2233 update_single_exit_for_duplicated_loops.
2234 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2235 functions only with ENABLE_CHECKING.
2237 2006-11-12 Andreas Schwab <schwab@suse.de>
2239 * except.c (sjlj_emit_function_enter): Remove unused variable.
2241 2006-11-11 Roger Sayle <roger@eyesopen.com>
2243 * fold-const.c (int_binop_types_match_p): New function.
2244 (size_binop): Relax constraint that both arguments must both have
2245 exactly the same sizetype type. Instead use int_binop_types_match_p.
2246 (size_diffop): Likewise.
2248 (make_range): Use build_int_cst instead of fold_convert.
2249 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2250 integer constants of the correct type.
2251 (fold_div_compare): Likewise.
2252 (fold_single_bit_test): Likewise.
2253 (fold_binary): Likewise.
2254 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2255 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2257 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2260 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2261 non null value if the struct memory access is in the 0th
2264 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2267 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2268 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2271 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2272 instead of builtin_define for bfin and BFIN.
2274 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2276 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2279 2006-11-11 Jan Hubicka <jh@suse.cz>
2281 * extend.texi (__builtin_expect): We no longer require second argument
2283 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2284 * builtins.c (expand_builtin_expect): Simplify.
2285 (expand_builtin_expect_jump): Kill.
2286 * final.c (final_scan_insn): Do not skip the removed notes.
2287 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2288 EXPECTED_VALUE): Remove.
2289 * dojump.c (do_jump): Do not care about __builtin_expect.
2290 * predict.c (expected_value_to_br_prob): Kill.
2291 * function.c (expand_function_end): Do not expand
2292 NOTE_INSN_REPEATED_LINE_NUMBER.
2293 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2294 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2295 * cfgexpand.c (add_reg_br_prob_note): Export.
2296 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2297 expected_value_to_br_prob.
2298 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2299 * rtl.h (add_reg_br_prob_note): Declare.
2301 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2303 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2305 2006-11-11 Jan Hubicka <jh@suse.cz>
2307 * predict.c (predict_loops): Kill RTL variant.
2309 2006-11-11 Jan Hubicka <jh@suse.cz>
2311 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2312 * modulo-sched.c (find_line_note): Remove.
2313 (loop_canon_p): Do not worry about line number notes.
2314 (sms_schedule): Likewise.
2315 * cse.c (cse_main): Likewise.
2316 * regmove.c (fixup_match_1): Likewise
2317 * function.c (emit_return_info_block): Likewise.
2318 (expand_function_end): Likewise.
2319 (thread_prologue_an_epilogue_insns): Likewise.
2320 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2322 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2323 emit_note_copy_after): Kill.
2324 (emit_note_copy): Do not worry about line numbers.
2325 * jump.c (purge_line_number_notes): Kill.
2326 (pass_purge_lineno_notes): Kill.
2327 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2329 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2330 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2331 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2332 * tree-pass.h (pass_purge_lineno_notes): Kill.
2333 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2334 rm_redundant_line_notes.
2335 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2336 rm_redundant_line_notes.
2337 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2338 * haifa-sched.c: Update comment about handling notes.
2339 (unlink_line_notes): Kill.
2340 (rm_line_notes): Kill.
2341 (save_line_notes): Simplify.
2342 (rm_redundant_line_notes): Kill.
2344 2006-11-11 Richard Guenther <rguenther@suse.de>
2346 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2347 Remove unused tree codes.
2348 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2349 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2350 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2351 * tree.c (stabilize_reference): Likewise.
2352 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2353 fold_unary): Likewise.
2354 * tree-gimple.c (is_gimple_cast): Likewise.
2355 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2356 * expr.c (expand_expr_real_1): Likewise.
2357 * tree-eh.c (tree_could_trap_p): Likewise.
2358 * gimplify.c (gimplify_expr): Likewise.
2359 * tree-inline.c (estimate_num_insns_1): Likewise.
2360 * tree-cfg.c (verify_expr): Likewise.
2362 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2364 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2365 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2366 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2368 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2371 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2372 constraints accept neither registers or memories.
2374 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2376 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2377 (NO_PROFILE_COUNTERS): Define as 1.
2379 2006-11-10 Roger Sayle <roger@eyesopen.com>
2381 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2382 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2384 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2386 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2388 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2390 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2391 (fold_builtin_hypot): Likewise.
2392 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2394 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2396 2006-11-10 Roger Sayle <roger@eyesopen.com>
2398 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2399 when attempting to build INTEGER_CSTs of non-integral types.
2400 * expmed.c (make_tree): Use the correct type, i.e. the inner
2401 type, when constructing the individual elements of a CONST_VECTOR.
2403 2006-11-10 Jan Hubicka <jh@suse.cz>
2405 * cse.c (cse_process_notes): Copy the propagated value.
2406 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2408 * gcse.c (try_replace_reg): Copy the replacement.
2409 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2410 (assign_386_stack_local): Always return copied memory expression
2411 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2414 2006-11-10 Jan Hubicka <jh@suse.cz>
2416 * final.c (final): Walk from first instruction.
2417 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2419 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2422 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2424 (umulv8hi3_highpart): Ditto.
2425 (vec_widen_smult_hi_v8hi): New expander.
2426 (vec_widen_smult_lo_v8hi): Ditto.
2428 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2431 * builtins.c (do_mpfr_arg3): New.
2432 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2434 2006-11-09 Eric Christopher <echristo@apple.com>
2439 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2440 * config.gcc (powerpc64-*-darwin*): New target.
2441 * config.host: Ditto.
2442 * config/rs6000/darwin64.h: New file.
2443 * config/rs6000/x-darwin64: Ditto.
2444 * config/rs6000/host-ppc64-darwin.c: Ditto.
2446 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2448 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2449 routines for integer division.
2451 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2453 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2455 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2458 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2460 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2462 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2463 simplify_subreg with BLKmode outer mode.
2465 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2467 * doc/invoke.texi: Minor formatting fixes in option lists.
2469 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2471 PR tree-optimization/29738
2472 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2473 (ccp_lattice_t): Remove UNKNOWN_VAL.
2474 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2475 Do not handle UNKNOWN_VAL.
2476 (get_default_value): Set initial value of virtual operands to
2478 (get_value): Always use get_default_value on uninitialized
2480 (set_value_varying, surely_varying_stmt_p): New functions.
2481 (set_lattice_value): Do not pass argument to get_value.
2482 Do not handle UNKNOWN_VAL.
2483 (likely_value): Follow the semantics described in the comment.
2484 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2485 phi nodes DONT_SIMULATE_AGAIN.
2486 (ccp_fold): Do not pass argument to get_value.
2487 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2490 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2492 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2493 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2495 2006-11-08 Roger Sayle <roger@eyesopen.com>
2497 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2498 test for inclusion rather than as a test for exclusion.
2499 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2500 the condition after calling fold_binary.
2501 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2502 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2503 * builtins.c (fold_builtin_isascii): Likewise.
2504 (fold_builtin_isdigit): Likewise.
2506 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2508 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2509 * configure: Regenerate.
2511 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2513 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2514 enum argument instead of bool.
2515 (vect_analyze_operations): Call vectorizable_type_promotion.
2516 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2517 stmt_vec_info_type value.
2518 (supportable_widening_operation, vectorizable_type_promotion): New
2519 function declarations.
2520 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2521 (vectorizable_type_promotion): New function.
2522 (vect_transform_stmt): Call vectorizable_type_promotion.
2523 * tree-vect-analyze.c (supportable_widening_operation): New function.
2524 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2526 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2529 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2530 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2531 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2533 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2534 * expr.c (expand_expr_real_1): Likewise.
2535 * optabs.c (optab_for_tree_code): Likewise.
2536 (init_optabs): Initialize new optabs.
2537 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2538 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2539 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2540 vec_unpacku_lo_optab): Initialize new optabs.
2541 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2542 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2543 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2545 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2546 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2547 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2548 (vec_unpacku_lo_optab): New optabs.
2549 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2550 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2551 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2552 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2553 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2554 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2556 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2557 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2558 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2559 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2560 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2561 implement the unsigned unpacking patterns.
2562 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2563 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2564 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2565 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2566 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2567 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2568 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2569 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2570 multiplication patterns.
2572 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2573 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2574 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2575 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2576 (rs6000_builtin_mul_widen_odd): New.
2577 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2578 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2579 * tree-vectorizer.h (enum vect_relevant): New enum type.
2580 (_stmt_vec_info): Field relevant chaned from bool to enum
2582 (STMT_VINFO_RELEVANT_P): Updated.
2583 (STMT_VINFO_RELEVANT): New.
2584 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2585 instead of STMT_VINFO_RELEVANT_P.
2586 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2587 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2588 and boolean variable with enum vect_relevant.
2589 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2590 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2591 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2593 2006-11-08 Richard Henderson <rth@redhat.com>
2595 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2596 vec_widen_umult_lo_v8hi): New.
2597 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2598 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2600 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2601 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2602 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2603 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2604 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2605 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2606 vec_unpacks_lo_v4si): New.
2608 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2610 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2611 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2612 (vect_analyze_operations): Call vectorizable_type_demotion.
2613 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2614 stmt_vec_info_type value.
2615 (vectorizable_type_demotion): New function declaration.
2616 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2619 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2620 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2622 * tree-iniline.c (estimate_num_insns_1): Likewise.
2623 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2624 * optabs.c (optab_for_tree_code): Likewise.
2626 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2627 compared against the predicate of the result is not 'mode' (the input
2628 to the function) but a mode with half the size of 'mode'.
2629 (init_optab): Initialize new optabs.
2630 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2632 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2634 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2635 (vec_pack_usat_optab): Initialize new optabs.
2636 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2637 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2639 2006-11-08 Richard Henderson <rth@redehat.com>
2641 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2642 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2643 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2644 (vec_interleave_highv4si, vec_interleave_lowv4si):
2645 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2647 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2649 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2651 (vect_transform_stmt): Removed redundant code.
2653 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2655 * tree-vect-transform.c (vectorizable_operation): Support multiple
2658 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2660 * tree-vect-transform.c (vect_align_data_ref): Removed.
2661 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2662 Updated function documentation. Return the increment stmt in ptr_incr.
2663 (bump_vector_ptr): New function.
2664 (vect_get_vec_def_for_stmt_copy): New function.
2665 (vect_finish_stmt_generation): Create a stmt_info to newly created
2667 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2669 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2670 VF is greater than the number of elements that can fit in one vector
2672 (vectorizable_operation, vectorizable_condition): Likewise.
2673 (vectorizable_store, vectorizable_load): Support the case that the VF
2674 is greater than the number of elements that can fit in one vector word.
2675 (vect_transform_loop): Don't fail in case of multiple data-types.
2676 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2677 in case of multiple data-types; the smallest type determines the VF.
2678 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2679 if they are of different sizes.
2680 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2681 number of elements rather than number of bytes.
2682 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2683 (vect_can_advance_ivs_p): Fix a dump printout
2685 2006-11-07 Eric Christopher <echristo@apple.com>
2687 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2688 (__bswapsi2): Ditto.
2689 * libgcc2.h: Remove transformation of bswap routines.
2690 * config/i386/i386.md (bswapsi2): New.
2693 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2695 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2696 (handle_gnu_inline_attribute): New function.
2697 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2698 (merge_decls, start_decl, start_function): Likewise.
2699 * doc/extend.texi: Document gnu_inline attribute.
2701 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2704 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2705 _fixunstfdi, and _floatditf
2707 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2709 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2711 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2712 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2713 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2714 which start in an odd register.
2716 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2718 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2720 2006-11-07 Josh Conner <jconner@apple.com>
2722 * doc/invoke.texi (fstrict-aliasing): Move implementation
2724 * doc/tree-ssa.texi (Alias analysis): ...here.
2726 2006-11-07 Richard Guenther <rguenther@suse.de>
2728 PR tree-optimization/29610
2729 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2730 of tree_purge_dead_eh_edges as it may free dominators.
2732 * g++.dg/other/pr29610.C: New testcase.
2734 2006-11-07 David Ung <davidu@mips.com>
2736 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2737 costs when optimizing for size.
2738 (override_options): Use mips_rtx_cost_optimize_size table for cost
2741 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2743 * gcc.c (process_command): Treat -b as normal switch if its argument
2746 2006-11-07 David Ung <davidu@mips.com>
2748 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2751 2006-11-06 Eric Christopher <echristo@apple.com>
2753 * config.gcc: Add x86_64-darwin host support.
2754 * config.host: Ditto.
2755 * config/i386/darwin64.h: New file.
2756 * config/i386/t-darwin64: Ditto.
2758 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2760 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2761 and output-exists-not.
2763 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2766 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2767 checking for overflow.
2769 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2771 * configure.ac: Fixed typo in case statement: :: changed to ;;
2773 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2775 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2776 count_leading_zeros, and count_trailing_zeros.
2777 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2778 (TARGET_FOLD_BUILTIN): Define.
2779 (TARGET_EXPAND_BUILTIN): Define.
2780 (xtensa_init_builtins): New.
2781 (xtensa_fold_builtin): New.
2782 (xtensa_expand_builtin): New.
2783 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2784 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2785 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2786 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2787 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2788 (any_extend): New code macro.
2789 (u, su): New code attributes.
2790 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2791 (nsau): Remove; replaced by clzsi2.
2792 (ffssi2): Use clzsi2.
2793 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2794 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2795 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2796 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2797 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2799 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2801 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2803 * config/arm/t-strongarm-elf: Likewise.
2804 * config/arm/t-pe: Likewise.
2805 * config/arm/t-arm-elf: Likewise.
2806 * config/arm/t-xscale-elf: Likewise.
2807 * config/arm/t-arm-coff: Likewise.
2808 * config/arm/t-xscale-coff: Likewise.
2809 * config/arm/t-wince-pe: Likewise.
2811 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2813 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2816 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2819 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2822 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2825 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2826 as a valid 80387 constant.
2827 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2828 * config/i386/i386.md (unnamed splitter): Split the load of
2829 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2832 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2834 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2835 from the soft-frame, argument and virtual registers.
2837 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2839 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2840 patterns for standard 80387 constants.
2842 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2843 Steven Bosscher <steven@gcc.gnu.org>
2845 * fwprop.c: New file.
2846 * Makefile.in: Add fwprop.o.
2847 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2848 * passes.c (init_optimization_passes): Schedule forward propagation.
2849 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2851 * timevar.def (TV_FWPROP): New.
2852 * common.opt (-fforward-propagate): New.
2853 * opts.c (decode_options): Enable forward propagation at -O2.
2854 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2855 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2856 canon_for_address, table_size): Remove.
2857 (new_basic_block, insert, remove_from_table): Remove references to
2859 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2860 simplification loop more straightforward by not calling fold_rtx
2862 (equiv_constant): Move here a small part of fold_rtx_subreg,
2863 do not call fold_rtx. Call avoid_constant_pool_reference
2865 * recog.h (canonicalize_change_group): New.
2867 * doc/invoke.texi (Optimization Options): Document fwprop.
2868 * doc/passes.texi (RTL passes): Document fwprop.
2870 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2872 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2873 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2874 (grokdeclarator): Likewise.
2876 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2878 * tree-dump.c (dump_enable_all): Rename local variable
2879 ir_type to avoid name conflicts.
2880 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2881 instead of using ir_type().
2882 * profile.c (tree_register_profile_hooks): Likewise.
2883 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2884 * basic-block.h (struct edge_def): Likewise.
2885 * config/arm/arm.c (legitimize_pic_address): Likewise.
2886 * coretypes.h (ir_type): New enum of all intermediate languages
2888 * cfghooks.c (ir_type): Rename to...
2889 (current_ir_type): ...this. Distinguish between cfgrtl and
2890 cfglayout mode when the current IR is RTL. Return enum ir_type.
2891 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2893 2006-11-03 Paul Brook <paul@codesourcery.com>
2895 * config/arm/arm.c (arm_file_start): New function.
2896 (TARGET_ASM_FILE_START): Define.
2897 (arm_default_cpu): New variable.
2898 (arm_override_options): Set arm_default_cpu.
2900 2006-11-03 David Ung <davidu@mips.com>
2902 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2903 PROCESSOR_24KC and PROCESSOR_24KF.
2904 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2905 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2906 (mips_rtx_cost_data): Add costs for the 24kc.
2907 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2908 * config/mips/24k.md: Remove references to 24k and replace with
2909 uses of 24kc/24kf in the appropriate reservations.
2910 * doc/invoke.texi (MIPS Options): Updated.
2912 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2914 * config/sh/crt1.asm: Fix #ifdef indent.
2916 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2917 Merged from STMicroelectronics sources:
2918 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2919 * config/sh/crt1.asm (vbr_600): Add missing #if.
2920 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2921 * sh.opt (mfused-madd): New option.
2922 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2923 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2924 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2925 Remove pointless handler at VBR+0.
2926 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2927 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2928 fr7. Make sure the timer handler is called with the correct FPU
2929 precision setting, according to the ABI.
2930 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2931 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2932 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2933 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2934 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2935 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2936 zero as second operand.
2937 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2938 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2939 Fixed some bugs related to negative values, in particular -0
2940 and overflow at -0x80000000.
2941 * config/sh/divcost-analysis: Added sh4-300 figures.
2942 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2943 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2944 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2945 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2946 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2947 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2949 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2951 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2952 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2953 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2954 mac_mem, mem_mac, dfp_mul, fp_cmp.
2955 (insn_class, dfp_comp, any_fp_comp): Update.
2956 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2957 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2958 (muldf3_i): Likewise.
2959 (movsi_i): Split rI08 alternative into two separate alternatives.
2961 (movsi_ie, movsi_i_lowpart): Likewise.
2962 (movqi_i): Split ri alternative into two separate alternatives.
2964 * sh1.md (sh1_load_store, sh1_fp): Update.
2965 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2966 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2967 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2968 (sh4a_fp_double_arith): Likewise.
2969 * sh4-300.md: New file.
2970 * sh.c (sh_handle_option): Handle m4-300* options.
2971 (sh_adjust_cost): Fix latency of auto-increments.
2972 Handle SH4-300 differently than other SH4s. Check for new insn types.
2973 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2974 been set by an option.
2975 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2976 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2977 (mbranch-cost=): Likewise.
2978 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2980 * sh.md (mulsf3): Remove special expansion code.
2981 (mulsf3_ie): Now a define_insn_and_split.
2982 (macsf3): Allow for TARGET_SH4.
2984 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2985 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2986 (expand_cbranchdi4): Likewise.
2987 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2988 CONST_DOUBLE if the outer code is COMPARE.
2989 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2990 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2991 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2992 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2993 Remove redundant fp_{zero,one}_operand checks.
2994 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2995 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2996 (expand_cbranchdi4): Likewise.
2997 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2998 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3000 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3002 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3005 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3007 * doc/invoke.texi: Fix mfp-trap-mode typo.
3009 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3011 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3012 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3013 file_end_indicate_exec_stack.
3014 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3016 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3017 for a non-executable stack.
3018 * crti.asm: Likewise.
3019 * crtn.asm: Likewise.
3020 * libunwind.S: Likewise.
3022 2006-11-02 Ben Elliston <bje@au.ibm.com>
3024 * tree-ssa.c (warn_uninit): Use expand_location variables for
3025 locus and declaration locus.
3027 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3030 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3031 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3032 cmp{eq,gt,gtu}{si,di}_media.
3033 (*cmpne0si_media): Remove.
3034 (*movsicc_umin): Adjust gen_cmp*_media call.
3035 (unordered): Change the mode of unordered and operands[1] to
3037 (seq): Adjust gen_cmp*_media calls. Make the mode of
3038 a temporary result of compare SImode if needed. If the mode
3039 of operands[0] is DImode, extend the temporary result to DImode.
3040 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3041 (sunorderd): Change the mode of match_operand and unorderd to
3043 (cmpeq{sf,df}_media): Remove.
3044 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3045 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3046 and compare operation to SImode.
3048 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3050 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3052 (sparc64-sun-solaris2*): Likewise.
3054 2006-11-02 Paul Brook <paul@codesourcery.com>
3056 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3057 from priority argument. Use different section for non-default
3059 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3061 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3064 * except.c (switch_to_exception_section): Do not cache the section
3065 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3066 and flag_function_sections is set.
3068 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * builtins.c (do_mpfr_sincos): New.
3072 (fold_builtin_1): Use it to fold builtin sincos.
3074 2006-11-01 Roger Sayle <roger@eyesopen.com>
3076 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3077 it into -D_REENTRANT.
3079 2006-11-01 Roger Sayle <roger@eyesopen.com>
3081 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3082 whether the assembler supports taking the difference of symbols in
3083 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3084 * configure: Regenerate.
3085 * config.in: Regenerate.
3086 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3087 the assembler doesn't support taking the difference of symbols in
3088 different sections, i.e. we're using the native solaris assembler.
3090 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3091 Peter Bergner <bergner@vnet.ibm.com>
3093 * doc/invoke.texi: Add cpu_type power6x
3094 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3095 * config.gcc: Add cpu_type power6x.
3096 * configure.ac: Add test for mf{t,f}gpr instructions.
3097 (HAVE_AS_MFPGPR): New.
3098 * config.in: Regenerate.
3099 * configure: Regenerate.
3100 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3101 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3102 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3103 and mftgpr attributes.
3104 (define_attr "cpu"): Add power6.
3105 Change instruction sequences to use new attributes.
3106 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3107 (fix_truncdfsi2_mfpgpr): New.
3108 (floatsidf_ppc64_mfpgpr): New.
3109 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3110 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3111 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3112 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3113 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3114 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3115 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3116 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3117 cntlz,exts and var_delayed_compare.
3118 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3119 _ARCH_PWR6X, if features enabled.
3120 * config/rs6000/rs6000.opt (mmfpgpr): New.
3121 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3122 (cached_can_issue_more): New variable.
3123 (processor_costs): Add power6_cost.
3124 (rs6000_sched_init): New function.
3125 (is_dispatch_slot_restricted): Deleted.
3126 (set_to_load_agen): New function.
3127 (is_load_insn,is_store_insn): New functions.
3128 (adjacent_mem_locations): New function.
3129 (insn_must_be_first_in_group): New function.
3130 (insn_must_be_last_in_group): New function.
3131 (rs6000_sched_reorder): New function.
3132 (rs6000_sched_reorder2): New function.
3133 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3134 TARGET_SCHED_REORDER2): Define.
3135 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3136 Add power6x. Add MASK_MFPGPR for power6x.
3137 (POWERPC_MASKS): Add MASK_MFPGPR.
3138 (rs6000_override_options): Set rs6000_always_hint to false
3139 for power6. Set rs6000_align_branch_targets. Replace
3140 rs6000_sched_groups check with rs6000_align_branch_targets.
3141 Use PROCESSOR_POWER6.
3142 (last_scheduled_insn): New variable.
3143 (load_store_pendulum): New variable.
3144 (rs6000_variable_issue): Set last_scheduled_insn and
3145 cached_can_issue_more.
3146 (rs6000_adjust_cost): Add power6 cost adjustments.
3147 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3148 with insn_must_be_first_in_group. Add power6 priority adjustments.
3149 (rs6000_issue_rate): Add CPU_POWER6.
3150 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3151 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3152 (TARGET_MFPGPR): New.
3153 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3154 (ASM_CPU_SPEC): Add power6x.
3155 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3157 * config/rs6000/power6.md: New file.
3159 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3161 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3162 HOST_WIDE_INT_PRINT to print high and low parts. Use
3163 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3164 printing a hexadecimal number prefix it with 0x.
3166 2006-11-01 Chris Johns <chris@contemporary.net.au>
3169 * Makefile.in (install-driver): Use exeext when installing
3170 $target-gcc-$version.
3172 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3174 * c-common.c (flag_cpp0x): New.
3175 * c-common.h (flag_cpp0x): New.
3176 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3177 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3178 * c-opts.c (set_std_cxx0x): New.
3179 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3180 * c.opt (std=c++0x): Document.
3181 (std=gnu++0x): Ditto.
3182 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3183 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3185 2006-11-01 Richard Guenther <rguenther@suse.de>
3187 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3189 (ix86_expand_floorceildf_32): Likewise.
3190 (ix86_expand_floorceil): Likewise.
3191 (ix86_expand_trunc): Likewise.
3193 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3195 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3198 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3200 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3202 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3204 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3206 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3207 * configure.ac (use_cxa_atexit): As a special case, don't test
3208 for libc definition of __cxa_atexit on mingw32
3209 * configure: Regenerate.
3210 * config.gcc (i[34567]86-pc-mingw32): Default to
3211 enable__cxa_atexit=yes.
3213 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3215 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3217 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3220 * c-decl.c (start_struct): Don't create self-containing
3222 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3224 * config/rs6000/rs6000-protos.h
3225 (darwin_rs6000_special_round_type_align): New.
3226 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3227 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3229 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3231 * toplev.c (compile_file): Call final_write_globals
3232 even if there have been errors.
3234 2006-10-31 Eric Christopher <echristo@apple.com>
3235 Falk Hueffner <falk@debian.org>
3237 * doc/extend.texi (__builtin_bswap32): Document.
3238 (__builtin_bswap64): Ditto.
3239 * doc/libgcc.texi (bswapsi2): Document.
3241 * doc/rtl.texi (bswap): Document.
3242 * optabs.c (expand_unop): Don't widen a bswap.
3243 (init_optabs): Init bswap. Set libfuncs explicitly
3244 for bswapsi2 and bswapdi2.
3245 * optabs.h (OTI_bswap): New.
3246 (bswap_optab): Ditto.
3247 * genopinit.c (optabs): Handle bswap_optab.
3248 * tree.h (tree_index): Add TI_UINT32_TYPE and
3250 (uint32_type_node): New.
3251 (uint64_type_node): Ditto.
3252 * tree.c (build_common_tree_nodes_2): Initialize
3253 uint32_type_node and uint64_type_node.
3254 * builtins.c (expand_builtin_bswap): New.
3255 (expand_builtin): Call.
3256 (fold_builtin_bswap): New.
3257 (fold_builtin_1): Call.
3258 * fold-const.c (tree_expr_nonnegative_p): Return true
3260 * builtin-types.def (BT_UINT32): New.
3262 (BT_FN_UINT32_UINT32): Ditto.
3263 (BT_FN_UINT64_UINT64): Ditto.
3264 * builtins.def (BUILT_IN_BSWAP32): New.
3265 (BUILT_IN_BSWAP64): Ditto.
3266 * rtl.def (BSWAP): New.
3267 * genattrtab.c (check_attr_value): New.
3268 * libgcc2.c (__bswapSI2): New.
3269 (__bswapDI2): Ditto.
3270 * libgcc2.h (__bswapSI2): Declare.
3271 (__bswapDI2): Ditto.
3272 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3273 * simplify-rtx.c (simplify_const_unary_operation): Return
3275 * libgcc-std.ver (__bwapsi2): Add.
3276 (__bswapdi2): Ditto.
3277 * reload1.c (eliminate_regs_1): Add bswap.
3278 (elimination_effects): Ditto.
3279 * config/i386/i386.h (x86_bswap): New.
3280 (TARGET_BSWAP): Use.
3281 * config/i386/i386.c (x86_bswap): Set.
3283 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3285 * coverage.c (coverage_checksum_string): Update comment.
3286 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3287 of get_file_function_name.
3288 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3289 of get_file_function_name_long.
3290 * tree.c (get_file_function_name): Rename from
3291 get_file_function_name_long; improve comment; handle 'I' and 'D'
3292 specially when the target has ctor/dtor support; remove special
3294 (get_file_function_name): Remove.
3295 * tree.h (get_file_function_name): Rename from
3296 get_file_function_name_long.
3297 (get_file_function_name): Remove prototype.
3299 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3301 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3302 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3304 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3305 Call dsymutil when compiling and linking one or more source files
3308 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3311 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3313 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3315 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3316 inline static functions in c99 mode.
3319 * doc/extend.texi (Inline): Update.
3320 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3321 * c-decl.c (current_extern_inline): Delete.
3322 (pop_scope): Adjust test for an undefined nested function.
3323 Add warning about undeclared inline function.
3324 (diagnose_mismatched_decls): Update comments. Disallow overriding
3325 of inline functions in a translation unit in C99. Allow inline
3326 declarations in C99 at any time.
3327 (merge_decls): Boolize variables. Handle C99 'extern inline'
3329 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3330 C99 inline semantics.
3331 (start_function): Don't clear current_extern_inline. Don't set
3333 (c_push_function_context): Don't push current_extern_inline.
3334 (c_pop_function_context): Don't restore current_extern_inline.
3337 * c-typeck.c (build_external_ref): Warn about static variables
3338 used in extern inline functions.
3339 * c-decl.c (start_decl): Warn about static variables declared
3340 in extern inline functions.
3342 2006-10-31 Roger Sayle <roger@eyesopen.com>
3345 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3346 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3347 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3348 or y is an even integer.
3350 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3353 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3354 * gthr-posix95.h (__gthread_active_p): Likewise.
3356 2006-10-31 Richard Guenther <rguenther@suse.de>
3358 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3359 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3360 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3361 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3362 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3363 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3364 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3365 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3368 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3370 * opts.c (decode_options): Disable CSE skip blocks.
3372 2006-10-30 Dirk Mueller <dmueller@suse.de>
3374 * c-common.h (strict_aliasing_warning): Fix whitespace.
3375 * c-decl (start_function): Move code for main decl warning ..
3376 * c-common.c (check_main_parameter_types): .. here.
3377 * c-common.h (check_main_parameter_types): Declare.
3379 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3382 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3384 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3386 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3387 be a PARALLEL containing sets. Return false when out_pat is not
3390 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3392 * config/mips/mips.md (mul<mode>3): Split into...
3393 (mulsi3, muldi3): ...these separate patterns.
3395 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3397 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3398 but with each set of options separated by spaces.
3400 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3402 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3403 dwarf_reg_size_table has been initialized.
3405 2006-10-30 Roger Sayle <roger@eyesopen.com>
3407 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3408 * ddg.c (print_ddg_edge): Likewise.
3409 * dwarf2out.c (prune_unused_types_walk): Likewise.
3410 * ifcvt.c (noce_try_cmove_arith): Likewise.
3411 * langhooks.c (add_builtin_function): Likewise.
3412 * reg-stack.c (subst_stack_regs_pat): Likewise.
3413 * tree.c (expanded_location): Likewise.
3414 * tree-dump.c (dequeue_and_dump): Likewise.
3416 2006-10-30 David Daney <ddaney@avtrex.com>
3418 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3420 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3422 PR tree-optimization/29637
3423 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3424 of the innertype is the innertype itself.
3426 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3428 * dwarf2out.c (file_name_acquire): Correct typo.
3430 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3432 * tree.h (tree_value_handle): Remove struct value_set declaration.
3433 Change value_set to bitmap_set.
3434 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3435 * tree-vn.c (get_value_handle): Made inline and moved to
3437 * tree-flow-inline.h: (has_stmt_ann): New function.
3438 * tree-ssa-pre.c (expressions): New variable.
3439 (next_expression_id): Ditto.
3440 (alloc_expression_id): New function.
3441 (struct value_set): Remove.
3442 (get_expression_id): New function.
3443 (get_or_alloc_expression_id): Ditto.
3444 (expression_for_id): Ditto.
3445 (clear_expression_ids): Ditto.
3446 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3447 (bb_value_sets): Renamed to bb_bitmap_sets.
3448 All value sets replaced with bitmap_sets.
3450 (BB_VISITED): New macro.
3451 (postorder): New variable.
3452 (add_to_value): Removed.
3453 (value_exists_in_set_bitmap): Ditto.
3454 (value_insert_into_set_bitmap): Ditto.
3457 (set_remove): Ditto.
3458 (set_contains_value): Ditto.
3459 (insert_into_set): Ditto.
3461 (find_leader): Ditto.
3462 (bitmap_set_subtract_from_value_set): Ditto.
3463 (value_insert_into_set): Ditto.
3464 (print_value_set): Ditto.
3465 (debug_value_set): Ditto.
3466 (constant_expr_p): New function.
3467 (bitmap_remove_from_set): Ditto.
3468 (bitmap_insert_into_set): Ditto.
3469 (bitmap_set_free): Ditto.
3470 (vh_compare): Ditto.
3471 (sorted_array_from_bitmap_set): Ditto.
3472 (bitmap_set_subtract): Ditto.
3473 (bitmap_set_equal): Ditto.
3474 (debug_bitmap_set): Ditto.
3475 (find_leader_in_sets): Ditto.
3476 (bitmap_set_replace_value): Modify for bitmapped sets.
3477 (phi_translate): Ditto.
3478 (phi_translate_set): Ditto.
3479 (bitmap_find_leader): Ditto.
3480 (valid_in_sets): Ditto.
3481 (union_contains_value): Ditto.
3483 (compute_antic_aux): Ditto. Mark changed blocks.
3484 (compute_antic): Ditto. Iterate in postorder and only over
3486 (compute_rvuse_and_antic_safe): Reuse postorder.
3487 (create_component_ref_by_pieces): Modify for bitmapped sets.
3488 (find_or_generate_expression): Ditto.
3489 (create_expression_by_pieces): Ditto.
3490 (insert_into_preds_of_block): Ditto.
3491 (changed_blocks): New variable.
3492 (do_regular_insertion): Broken out from insert_aux.
3493 (insert_aux): Modified for bitmapped sets.
3494 (find_existing_value_expr): New function.
3495 (create_value_expr_from): Use it.
3496 (insert_extra_phis): Removed.
3497 (print_bitmap_set): Renamed from bitmap_print_value_set.
3498 (compute_avail): Handle RETURN_EXPR.
3499 (init_pre): Modify for bitmapped sets.
3500 * tree-flow.h (has_stmt_ann): New function.
3502 2006-10-29 Roger Sayle <roger@eyesopen.com>
3504 * builtins.c (fold_builtin_floor): Check for the availability of
3505 the C99 trunc function before transforming floor into trunc.
3507 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3509 * builtins.c (fold_builtin_hypot): Rearrange recursive
3510 transformation before others, and also do ABS_EXPR. When
3511 necessary, check flag_unsafe_math_optimizations. When necessary,
3514 2006-10-29 Roger Sayle <roger@eyesopen.com>
3516 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3517 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3518 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3519 Fold -X eq/ne -Y as X eq/ne Y.
3521 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3523 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3524 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3525 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3526 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3527 Use an inclusive test for "mult" rather than "mul".
3528 (rotr<mode>3): Depend on ISA_HAS_ROR.
3529 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3531 (GENERATE_MULT3_DI): Delete.
3532 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3533 (ISA_HAS_MUL3): New macro.
3534 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3535 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3536 (ISA_HAS_CLZ_CLO): Likewise.
3537 (ISA_HAS_DCLZ_DCLO): Delete.
3538 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3539 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3540 the VR4120 and VR4130.
3541 (ISA_HAS_MACCHI): Use consistent formatting.
3542 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3543 (ISA_HAS_ROR): ...this new macro.
3544 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3545 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3546 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3548 2006-10-29 Roger Sayle <roger@eyesopen.com>
3550 PR tree-optimization/15458
3551 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3554 2006-10-29 Richard Guenther <rguenther@suse.de>
3556 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3557 (ix86_expand_truncdf_32): Likewise.
3558 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3559 trunc inline for SSE math and -fno-trapping-math and if not
3560 optimizing for size.
3561 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3562 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3563 for expanding btrunc inline for SSE math.
3565 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3567 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3568 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3569 i[34567]86-*-solaris2.1[0-9]*.
3570 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3571 Define conditionally depending on TARGET_64BIT_DEFAULT.
3572 (SPEC_32, SPEC_64): Define.
3573 (LINK_SPEC): Use them.
3574 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3576 2006-10-29 Richard Guenther <rguenther@suse.de>
3578 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3579 (ix86_expand_rounddf_32): Likewise.
3580 * config/i386/i386.c (ix86_expand_round): New function expanding
3581 round inline for SSE math and -fno-trapping-math and if not
3582 optimizing for size.
3583 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3584 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3585 round via ix86_expand_round.
3587 2006-10-29 Richard Guenther <rguenther@suse.de>
3589 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3590 (ix86_expand_floorceildf_32): Likewise.
3591 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3592 static helper function.
3593 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3595 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3596 * config/i386/i386.md (floordf2): Adjust to enable floor
3597 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3598 -fno-trapping-math is enabled and if not optimizing for size.
3599 (floorsf2, ceildf2, ceilsf2): Likewise.
3600 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3601 (sse2_maskcmpdf3): Likewise.
3603 2006-10-29 Richard Guenther <rguenther@suse.de>
3605 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3606 rint in case -fno-trapping-math is enabled.
3607 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3608 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3609 (ix86_expand_sse_fabs): Likewise.
3610 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3611 * config/i386/i386.md (rintdf2): Enable for SSE math if
3612 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3613 (rintsf2): Likewise.
3615 2006-10-29 Richard Guenther <rguenther@suse.de>
3617 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3618 to conversion optabs.
3619 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3620 as conversion optab.
3621 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3622 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3623 (lfloor_optab, lceil_optab): Adjust defines.
3624 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3625 lfloor and lceil optabs now being conversion optabs.
3626 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3627 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3628 New static helper function.
3629 (ix86_expand_lfloorceil): New function to expand lfloor and
3631 * config/i386/i386.md (lfloor<mode>2): Split into ...
3632 (lfloorxf<mode>2): ... x87 variant
3633 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3634 using ix86_expand_lfloorceil.
3635 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3637 * doc/md.texi (lfloorMN, lceilMN): Document.
3639 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3641 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3642 -mno-shared assembler option on mips targets.
3643 * configure, config.in: Regenerate.
3644 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3645 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3646 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3648 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3650 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3651 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3653 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3655 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3656 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3659 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3662 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3663 (fold_builtin_pow): Evaluate constant arguments at compile-time
3665 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3666 (do_mpfr_ckconv): New helper function.
3667 (do_mpfr_arg1): Use do_mpfr_ckconv.
3668 (do_mpfr_arg2): New.
3670 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3673 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3674 (-fdump-rtl-sched): Rename to ..
3675 (-fdump-rtl-sched1): here. Also fix file extension number.
3677 2006-10-28 Richard Guenther <rguenther@suse.de>
3679 * fold-const.c (maybe_canonicalize_comparison): Fix code
3682 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3684 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3685 (NON_QI_REG_P): Use IN_RANGE.
3686 (REX_INT_REGNO_P): Use IN_RANGE.
3687 (FP_REGNO_P): Use IN_RANGE.
3688 (SSE_REGNO_P): Use IN_RANGE.
3689 (REX_SSE_REGNO_P): Use IN_RANGE.
3690 (MMX_REGNO_P): Use IN_RANGE.
3691 (STACK_REGNO_P): New macro.
3692 (STACK_REG_P): Use STACK_REGNO_P.
3693 (NON_STACK_REG_P): Use STACK_REGNO_P.
3694 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3695 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3696 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3697 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3698 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3700 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3702 * except.h (output_function_exception_table): Add 'const char*' param.
3703 * except.c (switch_to_exception_section): Add 'const char*' param.
3704 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3705 and flag_function_sections is set, use a function-specific section.
3706 (output_function_exception_table): Add 'const char*' param.
3707 Adjust call to switch_to_exception_section.
3708 * final.c (rest_of_handle_final): Adjust calls to
3709 output_function_exception_table.
3710 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3711 * config.in: Regenerate.
3712 * configure: Likewise.
3714 2006-10-28 Richard Guenther <rguenther@suse.de>
3717 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3718 for maybe_canonicalize_comparison.
3719 (maybe_canonicalize_comparison): New function for canonicalizing
3721 (fold_comparison): Call it to canonicalize comparisons with
3724 2006-10-28 Richard Guenther <rguenther@suse.de>
3727 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3728 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3729 (expand_builtin): Adjust likewise.
3730 * genopinit.c (optabs[]): Add lround optab.
3731 * optabs.c (init_optabs): Initialize lround_optab.
3732 * optabs.h (enum convert_optab_index): Add COI_lround.
3733 (lround_optab): Define.
3734 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3735 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3737 (ix86_expand_lround): New function.
3738 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3740 * doc/md.texi (lroundMN2): Document.
3742 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3745 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3746 argument to HOST_WIDE_INT. Update function prototype.
3747 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3748 "size" argument to HOST_WIDE_INT. Update function prototype.
3750 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3752 * config/i386/i386.c (output_387_ffreep): Create output from a
3753 template string for !HAVE_AS_IX86_FFREEP.
3755 2006-10-27 Eric Christopher <echristo@apple.com>
3757 * config/darwin.c: Fix formatting and grammar.
3759 2006-10-27 Jan Hubicka <jh@suse.cz>
3761 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3762 to be thrown away soon when IGNORE is set.
3763 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3764 indicating when return value shall not be computed.
3765 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3767 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3769 * config/i386/i386.h (TARGET_GEODE):
3770 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3771 (TARGET_CPU_DEFAULT_geode): New macro.
3772 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3773 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3774 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3775 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3776 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3778 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3779 (processor_type): Add PROCESSOR_GEODE.
3781 * config/i386/i386.md: Include geode.md.
3784 * config/i386/i386.c (geode_cost): New initialized global
3786 (m_GEODE, m_K6_GEODE): New macros.
3787 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3788 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3789 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3790 x86_schedule): Use m_K6_GEODE instead of m_K6.
3791 (x86_movx, x86_cmove): Set up m_GEODE.
3792 (x86_integer_DFmode_moves): Clear m_GEODE.
3793 (processor_target_table): Add entry for geode.
3794 (processor_alias_table): Ditto.
3796 * config/i386/geode.md: New file.
3798 * doc/invoke.texi: Add entry about geode processor.
3800 2006-10-27 Mike Stump <mrs@apple.com>
3802 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3803 __DYNAMIC__ from here back to ...
3804 * config/darwin.h (CPP_SPEC): ... here.
3806 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3807 Nathan Sidwell <nathan@codesourcery.com>
3809 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3810 when choosing the minimum heapsize.
3812 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3814 * gcc/unwind-dw2.h: Move cfa-related variables into
3815 struct frame_state_reg_info to ensure that the CFA is properly
3816 handled when executing DW_CFA_{remember,restore}_state.
3817 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3818 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3819 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3820 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3821 gcc/config/rs6000/linux-unwind.h,
3822 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3823 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3824 Modify to use new cfa_* fields.
3826 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3828 * config/s390/s390.c (s390_init_frame_layout): Check positive
3831 2006-10-26 Ben Elliston <bje@au.ibm.com>
3833 * gimplify.c (get_name): Remove extraneous break.
3834 (gimplify_omp_for): Initialise ret with GS_OK.
3836 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3838 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3839 Add unix98.o to link line.
3841 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3844 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3845 Calculate compile-time constants using MPFR.
3846 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3847 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3849 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3851 * config/xtensa/lib2funcs.S: Use C-style comments.
3853 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3855 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3856 (file_table_relative_p): Likewise.
3857 (dwarf2out_finish): Likewise.
3858 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3860 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3862 * tree-ssa-structalias.c (intra_create_variable_infos):
3863 Don't recreate nonlocal_all if it already exists.
3865 2006-10-25 Richard Guenther <rguenther@suse.de>
3868 * optabs.h (enum optab_index): Remove OTI_lrint.
3869 (enum convert_optab_index): Add COI_lrint.
3870 (lrint_optab): Adjust.
3871 (expand_sfix_optab): Declare.
3872 * optabs.c (expand_sfix_optab): New function.
3873 (init_optabs): Init lrint_optab as conversion optab.
3874 * genopinit.c (lrint_optab): Change to a conversion optab.
3875 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3876 expansion via conversion optab.
3877 * config/i386/i386.md (*fistdi2_1): Remove
3878 flag_unsafe_math_optimizations guard.
3879 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3880 fist<mode>2_with_temp): Likewise.
3881 (lrint<mode>2): Split into...
3882 (lrintxf<mode>2): ... x87 part
3883 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3884 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3885 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3886 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3887 * doc/md.texi (lrintMN2): Document.
3889 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3892 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3893 Use inc and dec instructions for TARGET_USE_INCDEC.
3894 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3895 ("sync_double_compare_and_swap<mode>"): Likewise.
3896 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3897 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3898 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3899 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3900 ("sync_old_add<mode>"): Likewise.
3901 ("sync_lock_test_and_set<mode>"): Likewise.
3902 ("sync_lock_test_and_set<mode>"): Likewise.
3903 ("sync_add<mode>"): Likewise.
3904 ("sync_sub<mode>"): Likewise.
3905 ("sync_ior<mode>"): Likewise.
3906 ("sync_and<mode>"): Likewise.
3907 ("sync_xor<mode>"): Likewise.
3909 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3911 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3912 (remainder_optab): Define corresponding macro.
3913 (drem_optab): Remove.
3914 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3915 drem_optab initialization.
3916 * genopinit.c (optabs): Implement remainder_optab using
3917 remainder?f3 patterns. Remove drem_optab.
3918 * builtins.c (expand_builtin_mathfn_2): Handle
3919 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3920 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3921 expand_builtin_mathfn_2.
3923 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3924 depend on flag_unsafe_math_optimizations.
3926 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3927 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3928 Do not depend on flag_unsafe_math_optimizations. Use
3929 truncxf?f expander instead of truncxf?f_i387_noop.
3931 ("fpremxf4", "fprem1xf4"): Do not depend on
3932 flag_unsafe_math_optimizations.
3933 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3934 flag_unsafe_math_optimizations. Use truncxf?f expander
3935 instead of truncxf?f_i387_noop.
3937 * doc/md.texi (fmod, remainder): Document standard named pattern.
3939 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3940 David Daney <ddaney@avtrex.com>
3943 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3945 2006-10-25 Ben Elliston <bje@au.ibm.com>
3947 * doc/extend.texi (Variable Attributes): Typo fix.
3949 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3951 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3952 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3953 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3954 (FRAME_POINTER_REGNUM): Update register number to 21.
3955 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3956 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3958 * config/i386/i386.c (regclass_map): Add fpcr entry.
3959 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3961 (print_reg): Assert REGNO (x) != FPCR_REG.
3963 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3964 (DIRFLAG_REG): Renumber.
3965 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3966 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3967 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3968 hardcoded SSE register numbers.
3970 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3971 hardcoded MMX register numbers.
3973 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3977 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3979 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3980 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3981 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3982 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3984 2006-10-24 Richard Guenther <rguenther@suse.de>
3987 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3988 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3989 for deciding optimizations in consistency with fold-const.c
3990 (fold_builtin_unordered_cmp): Likewise.
3992 2006-10-24 Richard Guenther <rguenther@suse.de>
3994 * builtins.c (fold_builtin_floor): Fold floor (x) where
3995 x is nonnegative to trunc (x).
3996 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3997 nonnegative to FIX_TRUNC_EXPR.
3999 2006-10-24 Richard Guenther <rguenther@suse.de>
4001 PR tree-optimization/29567
4002 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4003 for TRUTH_NOT_EXPR. Clarify comments.
4005 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4008 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4009 at compile-time using MPFR. Change parameter VALUE to FUNC,
4011 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4012 for overflow and underflow at all times and avoid folding in
4015 2006-10-24 Ben Elliston <bje@au.ibm.com>
4017 * reload1.c: Formatting fixes.
4019 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4021 PR tree-optimization/14784
4022 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4023 * tree-ssa-structalias.c (get_constraint_for,
4024 intra_create_variable_infos): Set is_heapvar.
4025 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4026 non-heapvar pointer variables specially.
4028 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4032 fold_builtin_tan): Fold all constant arguments. Take a "type"
4033 argument as necessary.
4034 (do_mpfr_arg1): New.
4035 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4037 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4039 * config/xtensa/lib1funcs.asm: Use C-style comments.
4041 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4043 * tree.c (local_define_builtin): Replace calls to
4044 lang_hooks.builtin_function with add_builtin_function.
4045 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4047 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4049 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4050 common code to add_builtin_function.
4051 * langhooks.c (add_builtin_function): New function.
4052 (lhd_builtin_function): New function.
4053 * langhooks.h (struct lang_hooks): Change the signature of
4055 (add_builtin_function): New function.
4056 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4057 calls to lang_hooks.builtin_function with add_builtin_function.
4058 * c-common.c (decl_builtin_1): Replace calls to
4059 lang_hooks.builtin_function with add_builtin_function.
4060 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4061 lang_hooks.builtin_function with add_builtin_function.
4062 * config/frv/frv.c (def_builtin): Replace calls to
4063 lang_hooks.builtin_function with add_builtin_function.
4064 * config/s390/s390.c (s390_init_builtins): Replace calls to
4065 lang_hooks.builtin_function with add_builtin_function.
4066 * config/sparc/sparc.c (def_builtin): Replace calls to
4067 lang_hooks.builtin_function with add_builtin_function.
4068 * config/i386/i386.c (def_builtin): Replace calls to
4069 lang_hooks.builtin_function with add_builtin_function.
4070 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4071 lang_hooks.builtin_function with add_builtin_function.
4072 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4073 lang_hooks.builtin_function with add_builtin_function.
4074 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4075 Replace calls to lang_hooks.builtin_function with
4076 add_builtin_function.
4077 * config/iq2000/iq2000.c (def_builtin):
4078 Replace calls to lang_hooks.builtin_function with
4079 add_builtin_function.
4080 * config/ia64/ia64.c (def_builtin): Replace calls to
4081 lang_hooks.builtin_function with add_builtin_function.
4082 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4083 lang_hooks.builtin_function with add_builtin_function.
4084 (altivec_init_builtins): Replace calls to
4085 lang_hooks.builtin_function with add_builtin_function.
4086 * config/arm/arm.c (def_mbuiltin): Replace calls to
4087 lang_hooks.builtin_function with add_builtin_function.
4088 (arm_init_tls_builtins): Replace calls to
4089 lang_hooks.builtin_function with add_builtin_function.
4090 * config/mips/mips.c (mips_init_builtins): Replace calls to
4091 lang_hooks.builtin_function with add_builtin_function.
4092 * config/bfin/bfin.c (def_builtin): Replace calls to
4093 lang_hooks.builtin_function with add_builtin_function.
4094 * langhooks-def.h (lhd_builtin_function): New function.
4095 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4097 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4099 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4100 BUILT_IN_STRNCAT_CHK.
4102 2006-10-23 Jan Hubicka <jh@suse.cz>
4104 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4105 don't do conversion from memmove to memcpy here.
4106 (expand_builtin_bcopy, expand_builtin): Update call of
4107 expand_builtin_memmove.
4108 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4110 2006-10-23 Paul Brook <paul@codesourcery.com>
4112 * stor-layout.c (start_record_layout): maximum_field_alignment
4113 overrides STRUCTURE_SIZE_BOUNDARY.
4115 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4117 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4118 nonlocal function symbols if flag_pic.
4120 2006-10-23 Richard Guenther <rguenther@suse.de>
4124 * builtins.c (fold_binary): Remove checks for flag_wrapv
4125 and flag_trapv where negate_expr_p covers these cases.
4127 2006-10-23 Richard Guenther <rguenther@suse.de>
4130 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4131 of two on the absolute value.
4132 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4133 and negating -C does not overflow.
4135 2006-10-23 Richard Guenther <rguenther@suse.de>
4138 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4139 only if not flag_rounding_math.
4141 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4142 Kaz Kojima <kkojima@gcc.gnu.org>
4145 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4146 SImode memory reference for the source of a movua.
4147 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4148 (movua): Use an unspec instead of sign_extract. Expect the source
4149 to have mode BLKmode.
4150 (extv, insv): Use a BLKmode rather than SImode memory reference
4151 for the source of a movua.
4153 2006-10-22 Jeff Law <law@redhat.com>
4154 Richard Guenther <rguenther@suse.de>
4156 PR tree-optimization/15911
4157 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4158 (register_edge_assert_for_1): Likewise.
4159 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4160 (find_conditional_asserts): Adjust for new function signature.
4161 (find_assert_locations): Likewise.
4163 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4165 * config/i386/tmmintrin.h: Remove the duplicated content.
4167 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4169 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4170 (x86_64-*-*): Likewise.
4172 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4173 (override_options): Check SSSE3.
4174 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4175 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4176 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4177 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4178 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4179 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4180 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4181 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4182 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4183 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4184 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4185 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4186 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4187 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4188 IX86_BUILTIN_PABSD128.
4189 (bdesc_2arg): Add SSSE3.
4190 (bdesc_1arg): Likewise.
4191 (ix86_init_mmx_sse_builtins): Support SSSE3.
4192 (ix86_expand_builtin): Likewise.
4193 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4195 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4196 (UNSPEC_PSIGN): Likewise.
4197 (UNSPEC_PALIGNR): Likewise.
4198 Include mmx.md before sse.md.
4200 * config/i386/i386.opt: Add -mssse3.
4202 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4203 (ssse3_phaddwv4hi3): Likewise.
4204 (ssse3_phadddv4si3): Likewise.
4205 (ssse3_phadddv2si3): Likewise.
4206 (ssse3_phaddswv8hi3): Likewise.
4207 (ssse3_phaddswv4hi3): Likewise.
4208 (ssse3_phsubwv8hi3): Likewise.
4209 (ssse3_phsubwv4hi3): Likewise.
4210 (ssse3_phsubdv4si3): Likewise.
4211 (ssse3_phsubdv2si3): Likewise.
4212 (ssse3_phsubswv8hi3): Likewise.
4213 (ssse3_phsubswv4hi3): Likewise.
4214 (ssse3_pmaddubswv8hi3): Likewise.
4215 (ssse3_pmaddubswv4hi3): Likewise.
4216 (ssse3_pmulhrswv8hi3): Likewise.
4217 (ssse3_pmulhrswv4hi3): Likewise.
4218 (ssse3_pshufbv16qi3): Likewise.
4219 (ssse3_pshufbv8qi3): Likewise.
4220 (ssse3_psign<mode>3): Likewise.
4221 (ssse3_psign<mode>3): Likewise.
4222 (ssse3_palignrti): Likewise.
4223 (ssse3_palignrdi): Likewise.
4224 (abs<mode>2): Likewise.
4225 (abs<mode>2): Likewise.
4227 * config/i386/tmmintrin.h: New file.
4229 * doc/extend.texi: Document SSSE3 built-in functions.
4231 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4233 2006-10-22 Ira Rosen <irar@il.ibm.com>
4235 * tree-vect-transform.c (vectorizable_load): Use the type of the
4236 return value of the mask_for_load builtin to create realign_load
4239 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4241 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4244 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4246 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4247 (UNSPEC_LDDQU): This.
4248 * config/i386/sse.md (sse3_lddqu): Updated.
4250 2006-10-21 Richard Guenther <rguenther@suse.de>
4252 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4253 (expand_builtin): Use it to expand lrint instead of
4254 expand_builtin_mathfn.
4256 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4259 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4260 flag_unsafe_math_optimizations is set.
4262 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4265 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4266 patterns to use memory input operand in x87->mem->XMM
4267 reload sequences. Skip transformation for TARGET_K8.
4269 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4271 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4272 force operand1 to register if both operands are memory operands.
4273 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4274 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4275 if both operands are memory operands.
4276 (truncdfsf2): Do not force operand1 to register if both operands
4277 are memory operands.
4279 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4281 * Makefile.in (LIBS): Add $(GMPLIBS).
4282 * doc/install.texi: Update GMP and MPFR requirements.
4283 * doc/sourcebuild.texi (need_gmp): Delete.
4285 2006-10-21 Richard Guenther <rguenther@suse.de>
4287 PR tree-optimization/3511
4288 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4289 got new invariant arguments during PHI translation.
4291 2006-10-21 Richard Guenther <rguenther@suse.de>
4294 * fold-const.c (fold_comparison): Fold signed comparisons
4295 of the form X +- C1 CMP Y +- C2.
4297 2006-10-21 Richard Guenther <rguenther@suse.de>
4300 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4301 if flag_unsafe_math_optimizations is specified. We have
4302 flag_finite_math_only for that.
4303 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4304 or flag_unsafe_math_optimizations.
4306 2006-10-21 Richard Guenther <rguenther@suse.de>
4308 * builtins.c (fold_builtin_classify): Fix typo.
4310 2006-10-21 Richard Guenther <rguenther@suse.de>
4313 * simplify-rtx.c (simplify_const_relational_operation):
4314 Do not constant-fold ORDERED and UNORDERED for
4315 flag_unsafe_math_optimizations but only we do not need to
4316 honor NaNs for the given mode.
4318 2006-10-21 Richard Guenther <rguenther@suse.de>
4321 * config/i386/i386.c (classify_argument): Remove redundant
4322 walking of the BINFOs.
4323 (contains_128bit_aligned_vector_p): Likewise.
4325 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4327 * BASE-VER: Set to 4.3.0.
4329 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4331 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4332 (tree_decl_with_vis): Remove artificial_pta_var flag.
4333 * tree-flow.h (referenced_var_check_and_insert): Expose.
4334 (nonlocal_all): New prototype.
4335 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4336 (nonlocal_all): Make global.
4337 (nonlocal_lookup): Remove.
4338 (nonlocal_insert): Ditto.
4339 (create_nonlocal_var): Do not call nonlocal_insert.
4340 (get_nonlocal_id_for_type): Remove.
4341 (find_global_initializers): Mark new vars we find for renaming.
4342 (intra_create_variable_infos): Only create one nonlocal.
4343 (expand_nonlocal_solutions): Remove.
4344 (compute_points_to_sets): Don't call it.
4345 (ipa_pta_execute): Ditto.
4346 (init_alias_heapvars): Don't create nonlocal_for_type.
4347 (delete_alias_heapvars): Don't remove it.
4348 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4351 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4353 * doc/install.texi (Downloading GCC): Clarify mention of
4354 Fortran in the "full distribution" description.
4356 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4358 Fix PR tree-optimization/28778
4359 Fix PR tree-optimization/29156
4360 Fix PR tree-optimization/29415
4361 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4362 (tree_decl_with_vis): Add artificial_pta_var flag.
4363 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4364 pushed into callers.
4365 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4366 (nonlocal_all): Ditto.
4367 (struct variable_info): Add directly_dereferenced member.
4368 (var_escaped_vars): New variable.
4369 (escaped_vars_tree): Ditto.
4370 (escaped_vars_id): Ditto.
4371 (nonlocal_vars_id): Ditto.
4372 (new_var_info): Set directly_dereferenced.
4373 (graph_size): New variable
4374 (build_constraint_graph): Use graph_size.
4375 (solve_graph): Don't process constraints that cannot change the
4376 solution, don't try to propagate an empty solution to our
4378 (process_constraint): Set directly_dereferenced.
4379 (could_have_pointers): New function.
4380 (get_constraint_for_component_ref): Don't process STRING_CST.
4381 (nonlocal_lookup): New function.
4382 (nonlocal_insert): Ditto.
4383 (create_nonlocal_var): Ditto.
4384 (get_nonlocal_id_for_type): Ditto.
4385 (get_constraint_for): Allow results vector to be empty in the case
4386 of string constants.
4387 Handle results of calls properly.
4388 (update_alias_info): Update alias info stats on number and type of
4390 (find_func_aliases): Use could_have_pointers.
4391 (make_constraint_from_escaped): Renamed from
4392 make_constraint_to_anything, and changed to make constraints from
4394 (make_constraint_to_escaped): New function.
4395 (find_global_initializers): Ditto.
4396 (create_variable_info_for): Make constraint from escaped to any
4397 global variable, and from any global variable to the set of
4399 (intra_create_variable_infos): Deal with escaped instead of
4400 pointing to anything.
4401 (set_uids_in_ptset): Do type pruning on directly dereferenced
4403 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4404 (init_base_vars): Fix comment, and initialize escaped_vars.
4405 (need_to_solve): Removed.
4406 (find_escape_constraints): New function.
4407 (expand_nonlocal_solutions): Ditto.
4408 (compute_points_to_sets): Call find_escape_constraints and
4409 expand_nonlocal_solutions.
4410 (delete_points_to_sets): Don't fall off the end of the graph.
4411 (init_alias_heapvars): Initialize nonlocal_for_type and
4413 (delete_alias_heapvars): Free nonlocal_for_type and null out
4416 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4418 * fold-const.c (add_double): Rename to add_double_with_sign.
4419 Add 'unsigned_p' parameter and take it into account for the overflow.
4420 (mul_double): Rename to mul_double_with_sign.
4421 Add 'unsigned_p' parameter and take it into account for the overflow.
4422 (fold_div_compare): Call add_double_with_sign instead of add_double
4423 and mul_double_with_sign instead of mul_double, passing them the
4424 unsignedness of the type.
4425 * tree.h (add_double): Macroize.
4426 (add_double_with_sign): New prototype.
4427 (mul_double): Macroize.
4428 (mul_double_with_sign): New prototype.
4430 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4432 * config/score/crti.asm: New file.
4433 * config/score/crtn.asm: New file.
4434 * config/score/elf.h: New file.
4435 * config/score/mac.md: New file.
4436 * config/score/misc.md: New file.
4437 * config/score/mul-div.S: New file.
4438 * config/score/predicates.md: New file.
4439 * config/score/score7.md: New file.
4440 * config/score/score.c: New file.
4441 * config/score/score-conv.h: New file.
4442 * config/score/score.h: New file.
4443 * config/score/score.md: New file.
4444 * config/score/score-mdaux.c: New file.
4445 * config/score/score-mdaux.h: New file.
4446 * config/score/score-modes.def: New file.
4447 * config/score/score.opt: New file.
4448 * config/score/score-protos.h: New file.
4449 * config/score/score-version.h: New file.
4450 * config/score/t-score-elf: New file.
4451 * config.gcc: Add score*-*-* configurations(Update before).
4452 * doc/invoke.texi (Score Options): New section.
4453 * doc/md.texi (Score family): New section to document constraints.
4455 2006-10-19 Nick Clifton <nickc@redhat.com>
4457 * config/arm/arm.c: Fix spelling typo.
4459 2006-10-18 Tom Tromey <tromey@redhat.com>
4461 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4463 2006-10-18 Jan Hubicka <jh@suse.cz>
4466 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4469 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4471 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4472 TSI_SAME_STMT, since that's the desired entity.
4474 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4476 * config/s390/contraints.md: New file.
4477 * config/s390/s390-protos.h (s390_mem_constraint,
4478 s390_O_constraint_str, s390_N_constraint_str,
4479 s390_float_const_zero_p): Function prototypes added.
4480 * config/s390/s390.c (s390_extra_constraint_str,
4481 s390_const_double_ok_for_constraint_p,
4482 s390_const_ok_for_constraint_p): Functions removed.
4483 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4484 s390_float_const_zero_p): New functions.
4485 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4486 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4487 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4488 Macro definitions removed.
4489 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4490 s390_extra_constraint_str): Functions removed.
4492 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4493 Richard Sandiford <richard@codesourcery.com>
4496 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4497 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4499 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4501 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4502 (DWARF2_FRAME_REG_OUT): Likewise.
4503 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4504 (DWARF2_FRAME_REG_OUT): Likewise.
4506 2006-10-17 Paul Brook <paul@codesourcery.com>
4508 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4510 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4512 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4513 Standardize on "GNU Fortran" as the official name of the Fortran
4516 2006-10-16 Mike Stump <mrs@apple.com>
4518 * doc/invoke.texi (Darwin Options): Document -mkernel.
4519 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4521 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4522 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4523 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4524 (OS_MISSING_ALTIVEC): Add.
4525 * config/i386/i386.c (override_options): Add
4526 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4527 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4528 -mkernel, -static or -mdynamic-no-pic is given.
4529 (C_COMMON_OVERRIDE_OPTIONS): Add.
4530 * config/darwin.opt (fapple-kext): Add.
4532 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4533 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4535 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4536 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4537 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4538 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4539 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4540 (flag_mkernel): Add.
4541 (flag_apple_kext): Add.
4542 (TARGET_KEXTABI): Add.
4543 * config/darwin.c (darwin_handle_kext_attribute): Add.
4544 (DARWIN_VTABLE_P): Add.
4545 (darwin_binds_local_p): Add partial support for rebinding vtables
4547 (darwin_kextabi_p): Add.
4548 (darwin_override_options): Add.
4549 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4550 (darwin_kextabi_p): Add.
4551 (darwin_override_options): Add.
4552 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4553 __DYNAMIC__ and __STATIC__ here.
4555 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4557 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4558 Added mention of "make pdf" target, and Texinfo requirements for
4561 2006-10-16 DJ Delorie <dj@redhat.com>
4563 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4564 into the GOT in case we need a subreg of the address.
4566 2006-10-16 Richard Guenther <rguenther@suse.de>
4569 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4570 SSE builtin documentation. Document SSE2 builtins.
4572 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4574 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4575 symbol in the output file for non-shared links when -nostdlib or
4576 -nodefaultlibs isn't specified.
4578 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4579 posix thread support.
4581 2006-10-15 Jan Hubicka <jh@suse.cz>
4584 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4585 declared always_inline even when not inlining.
4587 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4588 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4589 Andrew Pinski <pinskia@gmail.com>
4592 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4594 2006-10-15 Jan Hubicka <jh@suse.cz>
4595 Richard Guenther <rguenther@suse.de>
4598 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4599 process_function_and_variable_attributes on all variables, including
4600 those discovered during cgraph construction phase.
4602 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4604 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4606 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4608 * config/i386/athlon.md (athlon_fist): Add fisttp.
4610 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4611 Ian Lance Taylor <ian@airs.com>
4614 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4615 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4618 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4620 * config/score/score.c, config/score/score.h: Fix comment
4623 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4626 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4629 2006-10-13 Eric Christopher <echristo@apple.com>
4631 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4633 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4636 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4637 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4638 alignment supported by 32-bit ELF.
4640 2006-10-13 Eric Christopher <echristo@apple.com>
4642 * config/darwin.c (darwin_emit_unwind_label): Strip
4643 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4645 2006-10-13 Richard Guenther <rguenther@suse.de>
4647 PR tree-optimization/29446
4648 * tree-vrp.c (fix_equivalence_set): Remove.
4649 (extract_range_from_assert): Do not call fix_equivalence_set.
4650 (debug_value_range): Print a newline.
4651 (compare_name_with_value): For equivalence sets with
4652 inconsistent value ranges conservatively bail out.
4653 (compare_names): Likewise.
4655 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4657 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4658 and MPFR for gfortran.
4660 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4662 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4663 alignment supported by 32-bit ELF.
4665 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4669 * c-typeck.c (digest_init): Always allow initializing vectors
4670 that have static storage duration with compound literals.
4671 * tree.c (build_type_attribute_qual_variant): New, based on
4672 build_type_attribute_variant.
4673 (build_type_attribute_variant): Rewrite using the former.
4674 (make_vector_type): Use build_type_attribute_qual_variant to build
4675 type variants. Use type_hash_canon on the others.
4677 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4678 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4680 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4682 2006-10-12 Jan Hubicka <jh@suse.cz>
4685 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4686 current_function_decl is set but current_function_scope is not.
4688 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4690 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4691 emit_insn to emit eh_return_internal instruction.
4692 (eh_return_internal): Explicitly set pc.
4694 2006-10-11 Richard Guenther <rguenther@suse.de>
4696 PR tree-optimization/28230
4697 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4698 to the correct place.
4700 2006-10-11 Richard Guenther <rguenther@suse.de>
4703 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4706 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4708 * configure.ac: Added pdf to "Make-hooks"
4709 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4710 targets and *.pdf file patterns in cleanup targets.
4711 * configure: Regenerated.
4713 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4715 * config/avr/predicates.md: New file.
4716 * config/avr/avr.md: Include it.
4717 (REG_SP): New constant.
4718 (peepholes): Use predicates.
4719 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4720 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4721 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4723 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4725 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4728 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4731 * builtins.c (var_decl_component_p): New function.
4732 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4733 single entry optimization to variables and components thereof.
4735 2006-10-10 Richard Guenther <rguenther@suse.de>
4737 PR rtl-optimization/29323
4738 * except.c (set_nothrow_function_flags): For functions
4739 that do not bind local bail out early.
4741 2006-10-10 Ben Elliston <bje@au.ibm.com>
4743 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4746 2006-10-09 Richard Henderson <rth@redhat.com>
4748 Revert emutls patch.
4750 2006-10-09 Richard Guenther <rguenther@suse.de>
4753 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4756 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4759 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4760 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4761 * configure: Regenerate.
4762 * config.in: Regenerate.
4764 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4766 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4768 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4770 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4771 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4772 Remove stray newline.
4774 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4776 * config/mips/mips.c (mips_classify_symbol): Do not return
4777 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4778 (mips_in_small_data_p): Tweak comments.
4780 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4782 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4784 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4786 * gimplify.c, sched-int.h: Fix comment typos.
4788 * sched-int.h: Fix comment typos.
4790 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4792 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4794 * sched-ebb.c (begin_schedule_ready): Use them.
4795 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4796 add_to_speculative_block, create_check_block_twin, speculate_insn,
4797 fix_jump_move, move_block_after_check): Ditto.
4798 * sched-rgn.c (new_ready): Ditto.
4800 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4802 PR rtl-optimization/29128
4803 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4804 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4805 allow interblock movement of speculation checks.
4807 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4810 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4811 casted to integer type.
4812 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4813 if they are significantly more expensive than [reg + index] ones.
4815 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4817 PR tree-optimization/29330
4818 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4819 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4820 on newly allocated ddrs.
4821 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4822 to VEC (loop_p, heap) pointer.
4823 (compute_data_dependences_for_loop): Adjust caller.
4824 (free_dependence_relations): Free DDR_LOOP_NEST.
4826 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4827 free DEPENDENCE_RELATIONS and DATAREFS.
4830 * builtins.c (expand_builtin_sync_operation,
4831 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4832 Use convert_to_mode to handle promoted arguments.
4834 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4836 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4838 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4840 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4842 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4844 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4845 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4846 Use <modeconstraint> instead of "r" as operand 1 constraint.
4848 2006-10-06 Olivier Hainque <hainque@adacore.com>
4850 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4851 Don't recurse on the pointed-to type.
4852 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4853 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4854 types with components of variable size.
4856 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4858 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4860 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4862 PR tree-optimization/29290
4863 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4867 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4868 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4871 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4872 the number of vector elements fill the rest with zeros.
4874 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4876 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4877 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4880 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4882 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4883 unnamed pattern into subsi3. Use correct constraints/predicates.
4884 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4885 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4887 2006-10-05 Ira Rosen <irar@il.ibm.com>
4889 * doc/loop.texi: Add data references analysis description.
4891 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4893 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4895 2006-10-04 Richard Henderson <rth@redhat.com>
4896 Jakub Jelinek <jakub@redhat.com>
4898 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4899 * builtin-types.def (BT_WORD): Make unsigned.
4900 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4901 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4902 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4903 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4904 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4905 * cgraph.c (decide_is_variable_needed): Look at force_output.
4906 Recurse for emulated tls.
4907 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4908 checks redundant with decide_is_variable_needed.
4909 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4910 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4912 * expr.c (emutls_var_address): New.
4913 (expand_expr_real_1): Expand emulated tls.
4914 (expand_expr_addr_expr_1): Likewise.
4915 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4916 * output.h (emutls_finish): Declare.
4917 * toplev.c (compile_file): Call it.
4918 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4919 address before wrapping in CONST.
4920 * varasm.c (emutls_htab, emutls_object_type): New.
4921 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4922 (get_emutls_object_name, get_emutls_object_type): New.
4923 (get_emutls_init_templ_addr, emutls_decl): New.
4924 (emutls_common_1, emutls_finish): New.
4925 (assemble_variable): When emulating tls, swap decls; generate
4926 constructor for the emutls objects.
4927 (do_assemble_alias): When emulating tls, swap decl and target name.
4928 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4930 * emutls.c: New file.
4931 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4932 tls_object for real tls.
4934 2006-10-04 Zack Weinberg <zackw@panix.com>
4936 Fix bug in constraint-check generator, reported by Rask Ingemann
4938 * genpreds.c (add_constraint): Don't remove anything from the
4940 (write_tm_constrs_h): Detect whether "op" argument is used, and
4941 mark it ARG_UNUSED if it isn't.
4942 (write_insn_const_int_ok_for_constraint): Skip the part of the
4943 expression that would test whether "op" (which is not available
4944 here) is a CONST_INT.
4946 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4949 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4951 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4953 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4954 current Leopard versions.
4955 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4957 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4959 * doc/install.texi: Fix typos.
4961 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4963 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4964 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4965 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4967 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4969 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4970 arg to be struct mach_header_64* instead.
4972 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4975 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4976 side effects after the outer expression's post side effects.
4978 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4980 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4981 comments to reflect actual behavior and relationship between
4982 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4984 * doc/c-tree.texi (Working with declarations): Fix documentation
4985 of FIELD_DECL likewise.
4987 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4990 * doc/extend.texi: Add used variable attribute description.
4992 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4995 * c.opt (Woverride-init): New.
4996 * c-opts.c (c_common_post_options): Default warn_override_init to
4998 * c-typeck.c (add_pending_init, output_init_element): Warn for
4999 overriding initializers without side effects.
5000 * doc/invoke.texi (-Woverride-init): Document.
5003 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5005 PR rtl-optimization/28096
5006 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5007 assignment has already been used as a destination earlier in the block.
5009 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5011 * builtins.c (expand_builtin_setjmp): Delete.
5012 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5013 <BUILT_IN_SETJMP_SETUP>: New case.
5014 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5015 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5016 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5017 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5018 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5019 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5020 (lower_function_body): Initialize it to false. If it is set to true
5021 at the end of the processing, emit the setjmp dispatcher.
5022 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5023 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5024 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5025 on the rhs of the assignment.
5026 (lower_builtin_setjmp): New function.
5027 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5028 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5029 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5030 to detect calls that can go to non-local labels. Use specific
5031 helper to create the abnormal edges associated with them.
5032 <MODIFY_EXPR>: Likewise.
5033 (make_abnormal_goto_edges): New function extracted from...
5034 (make_goto_expr_edges): ...here. Call it for computed gotos.
5035 (simple_goto_p): Minor tweak.
5036 (tree_can_make_abnormal_goto): New predicate.
5037 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5038 (tree_purge_dead_abnormal_call_edges): New function.
5039 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5040 (tree_purge_dead_abnormal_call_edges): Likewise.
5041 (make_abnormal_goto_edges): Likewise.
5042 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5043 Purge all dead abnormal edges if the call was in the last statement.
5044 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5045 (execute_fixup_cfg): If there are non-local labels in the function,
5046 scan the basic blocks and split them at calls that can go to non-local
5047 labels or add missing abnormal call edges. Write down the CFG in the
5049 (pass_fixup_cfg): Remove TODO_dump_func flag.
5050 * unwind-sjlj.c: Poison setjmp.
5051 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5052 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5053 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5054 (DONT_USE_BUILTIN_SETJMP): Document it.
5056 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5059 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5060 to 1 when __ppc64__ is defined.
5061 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5063 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5065 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5067 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5068 * config/ia64/unwind-hpux.c: Delete.
5070 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5072 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5073 on the element before gimplifying it, instead of punting if it is of
5076 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5078 * doc/loop.texi: New file.
5079 * doc/gccint.texi: Reference loop.texi.
5080 * Makefile.in (loop.texi): Add.
5082 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5084 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5086 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5087 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5089 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5091 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5093 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5095 * doc/install.texi: Document required versions of GMP and MPFR.
5097 2006-09-27 Paul Brook <paul@codesourcery.com>
5100 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5102 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5104 * reload1.c (alter_reg): Require the alignment of the stack slot to
5105 be at least reg_max_ref_width bytes.
5106 (scan_paradoxical_subregs): Record the largest width in
5109 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5113 * tree-nested.c (struct nesting_info): Added static_chain_added.
5114 (convert_call_expr): Set static_chain_added when adding static
5115 chain. Handle OMP_PARALLEL and OMP_SECTION.
5117 2006-09-25 Matthias Klose <doko@debian.org>
5119 * doc/invoke.texi: Add missing full stop.
5121 2006-09-25 Richard Henderson <rth@redhat.com>
5123 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5124 before cgraph_function_flags_ready.
5126 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5127 Adam Nemet <anemet@caviumnetworks.com>
5129 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5130 determine_common_wider_type): New functions.
5131 (get_computation_aff): Use them to simplify arithmetic between
5132 UBASE and CBASE if they are shortened from the same type.
5134 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5137 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5138 -2147483647 - 1 instead of 0x80000000.
5140 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5142 * flags.h (HONOR_NANS): Fix typo in comment.
5144 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5146 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5148 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5152 * tree.c (merge_attributes, attribute_list_contained): If both
5153 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5155 * c-typeck.c (comptypes_internal): Don't consider aggregates
5156 in different TUs as compatible if there one set of attributes is
5157 not a subset of the other type's attributes.
5158 (composite_type): Try harder not to create a new aggregate type.
5160 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5162 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5163 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5164 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5165 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5166 than replicating condition above.
5167 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5169 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5170 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5171 the linker by default.
5173 2006-09-22 Mike Stump <mrs@apple.com>
5175 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5178 2006-09-22 Richard Guenther <rguenther@suse.de>
5181 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5182 sort of stack variables stable.
5184 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5187 * explow.c (force_reg): Set REG_POINTER flag according to
5190 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5192 PR tree-optimization/28888
5193 * tree-if-conv.c (combine_blocks): Rewritten.
5194 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5195 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5197 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5199 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5202 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5204 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5206 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5208 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5210 2006-09-21 Roger Sayle <roger@eyesopen.com>
5213 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5214 dw_fde_current_label, to be the start of the function, i.e. the same
5215 value as dw_fde_begin.
5217 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5219 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5220 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5221 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5222 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5223 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5224 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5225 (abs<mode>2, neg<mode>2): Likewise.
5226 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5227 (*mips_abs_ps): New define_insn.
5229 2006-09-20 Josh Conner <jconner@apple.com>
5232 * calls.c (expand_call): Allow reuse of structure return stack
5235 2006-09-20 Paul Brook <paul@codesourcery.com>
5237 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5240 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5242 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5243 clean up terminology.
5245 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5248 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5249 with tablejumps in them.
5251 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5254 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5255 wrap it into TARGET_EXPR.
5257 2006-09-20 Eric Christopher <echristo@apple.com>
5259 * config/i386/i386.c (x86_fisttp): Remove.
5260 * config/i386/i386.h (x86_fisttp): Ditto.
5261 (TARGET_FISTTP): Ditto.
5263 2006-09-19 Eric Christopher <echristo@apple.com>
5265 * doc/tm.texi (OBJC_JBLEN): Describe.
5266 * config/i386/darwin.h (OBJC_JBLEN): Define.
5267 * config/rs6000/darwin.h: Ditto.
5269 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5271 PR rtl-optimization/21299
5272 * reload1.c (reload): Purge invalid ASMs in the final pass.
5274 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5277 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5278 pointers as legitimate constants.
5280 2006-09-19 Paul Brook <paul@codesourcery.com>
5283 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5285 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5287 PR tree-optimization/28887
5288 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5289 component parts from the reference.
5290 (gather_memory_references_ref): Record the reference without the
5291 nonaddressable component parts.
5293 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5296 * c-opts.c (c_common_handle_option): Ignore the -std options
5297 if the input language is assembly.
5299 2006-09-17 Ira Rosen <irar@il.ibm.com>
5302 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5304 (ptr_ptr_may_alias_p): Likewise.
5305 (record_record_differ_p): New function.
5306 (base_object_differ_p): Call record_record_differ_p.
5308 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5311 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5312 away for the expr argument.
5314 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5317 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5318 before using it for dumping after vectorizing loops.
5320 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5321 Jack Howarth <howarth@bromo.med.uc.edu>
5324 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5325 skip on error_mark_node.
5326 (rs6000_darwin64_record_arg_recurse): Likewise.
5328 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5330 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5331 * doc/rtl.texi: Remove related documentation.
5333 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5335 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5338 2006-09-15 Jim Wilson <wilson@specifix.com>
5340 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5341 Handle symbol offsets same as they are handled in ia64_expand_move
5344 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5346 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5347 Add forgotten parameter to the fprintf call.
5349 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5351 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5353 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5355 * doc/contrib.texi: Add my entry.
5357 2006-09-15 Nick Clifton <nickc@redhat.com>
5359 * doc/md.texi (Processor pipeline description): Fix typo in
5360 example of how to use the absence_set directive and reword the
5361 description to make it slightly easier to read.
5363 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5365 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5366 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5367 expanding the number of iterations.
5368 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5370 * cfgrtl.c (emit_insn_at_entry): New function.
5371 * rtl.h (emit_insn_at_entry): Declare it.
5372 * integrate.c (emit_initial_value_sets): Use it.
5374 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5376 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5378 (struct loop_work and related VEC declarations): Delete.
5379 (bfin_dump_loops): Print out new member bad.
5380 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5381 (bfin_scan_loop): Don't recurse.
5382 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5383 loops. No longer need to update outer loops if the current one is
5384 found bad. Move some validitiy checks to bfin_discover_loop.
5385 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5386 but changed not to check for nesting. Also changed to use the new bad
5388 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5389 time. Use bitmap based test to discover loop nesting.
5391 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5393 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5396 2006-09-14 Richard Guenther <rguenther@suse.de>
5397 Kazu Hirata <kazu@codesourcery.com>
5399 PR middle-end/28884.
5400 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5401 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5402 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5403 with TARGET_FUNCTION_VALUE.
5405 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5408 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5410 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5412 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5415 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5418 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5421 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5423 * basic_block.h (bb_has_eh_pred): Fix comment.
5425 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5427 * flow.c (calculate_global_regs_live): Invalidate eh registers
5428 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5429 (propagate_block): Handle eh registers as if they were set at basic
5431 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5433 * global.c (global_conflicts): Make eh registers to conflict with
5434 pseudos live at basic block begin.
5435 * basic_block.h (bb_has_eh_pred): New function.
5437 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5439 PR rtl-optimization/28982
5440 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5441 index of a PRE_MODIFY or POST_MODIFY address.
5442 * reload1.c (inc_for_reload): Use find_replacement on the original
5443 base and index registers.
5445 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5447 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5448 for -Os. Update __m128 alignment requirement.
5450 2006-09-13 Jan Hubicka <jh@suse.cz>
5452 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5454 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5456 PR rtl-optimization/28243
5457 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5458 the insn to which the note was originally attached.
5460 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5461 Roger Sayle <roger@eyesopen.com>
5463 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5464 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5465 on platforms that don't use dwarf for debug info.
5467 2006-09-12 Jason Merrill <jason@redhat.com>
5470 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5471 hard_frame_pointer_rtx after using it to update the frame pointer.
5473 2006-09-12 Roger Sayle <roger@eyesopen.com>
5475 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5476 (TARGET_ASM_CLOSE_PAREN): Likewise.
5477 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5478 (TARGET_ASM_CLOSE_PAREN): Likewise.
5480 2006-09-12 Roger Sayle <roger@eyesopen.com>
5483 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5484 frame information for frames larger than 512 Kbytes on Tru64 when
5485 using the native assembler.
5487 2006-09-12 Roger Sayle <roger@eyesopen.com>
5491 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5492 and symbols. Instead use the implementation from cse.c's hash_rtx.
5494 2006-09-12 Jan Hubicka <jh@suse.cz>
5496 PR rtl-optimization/28071
5497 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5498 (vect_transform_loop): Likewise.
5499 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5500 (new_loop_vec_info): Likewise.
5501 (destroy_loop_vec_info): Likewise.
5502 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5503 (create_stmt_ann): Likewise.
5504 (create_tree_ann): Rename to ...
5505 (create_tree_common_ann): ... this one; allocate only the common part
5507 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5508 (get_value_handle): Likewise.
5509 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5510 get_tree_common_ann.
5511 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5512 (vinfo_for_stmt): Use stmt annotations.
5513 * tree-flow.h (tree_ann_common_t): New type.
5514 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5515 (tree_ann, get_tree_ann, create_tree_ann): New.
5516 * tree-flow-inline.h (get_function_ann): Do more type checking.
5517 (stmt_ann): Likewise.
5518 (tree_ann): Rename to ...
5519 (tree_common_ann): ... this one; return ony common_ann
5520 (get_tree_ann): Rename to ...
5521 (tree_common_ann): This one; return only common_ann.
5522 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5525 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5527 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5528 with_cpu by default.
5530 * dwarf2out.c (dwarf_file_data): New.
5531 (enum dw_val_class): Add dw_val_class_file.
5532 (struct dw_val_struct): Add val_file.
5533 (file_table): Change to a hash table.
5534 (file_table_emitted): Delete.
5535 (file_table_last_lookup_index): Delete.
5536 (emitcount): Delete.
5537 (last_emitted_file): New.
5538 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5539 (init_file_table): Delete.
5540 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5541 (AT_addr): Add comment.
5545 (print_die): Handle dw_val_class_file.
5546 (print_dwarf_line_table): Update for new file table structure.
5547 (attr_checksum): Do checksum a filename.
5548 (same_dw_val_p, same_attr_p): Do compare a filename.
5549 (size_of_die): Handle dw_val_class_file.
5550 (value_format): Likewise.
5551 (output_die): Likewise. Also, call maybe_emit_file here.
5552 (struct file_info): Constify filenames. Make file_idx a pointer
5553 to a struct dwarf_file_data.
5554 (struct dir_info): Constify directory names. Remove 'used' field.
5555 (struct file_name_acquire_data): New.
5556 (file_name_acquire): New.
5557 (output_file_names): Modify to handle new file data structures.
5558 (add_src_coords_attributes): Use add_AT_file.
5559 (add_call_src_coords_attributes): Likewise.
5560 (dwarf2out_imported_module_or_decl): Likewise.
5561 (gen_subprogram_die): Modify for new file data structures.
5562 (gen_variable_die): Likewise.
5563 (file_table_eq): New.
5564 (file_table_hash): New.
5565 (file_table_last_lookup): New.
5566 (lookup_filename): Rewrite to handle new file data structures.
5567 (maybe_emit_file): Rewrite to handle new file data structures.
5568 (dwarf2out_source_line): Always call lookup_filename and
5570 (dwarf2out_init): Create file_table here.
5571 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5572 (file_table_relative_p): New.
5573 (dwarf2out_finish): Change detection of relative filenames
5574 to work with new file data structures. Move output_line_info call
5575 after debug_info output.
5577 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5582 * config/i386/i386.c (override_options): Always default to 16
5583 byte stack boundary.
5585 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5588 * var-tracking.c (dump_dataflow_set): Start dumping at
5590 (clobber_variable_part): Kill only the variable part in
5591 registers holding it, leaving other variables alone.
5593 2006-09-11 Josh Triplett <josh@freedesktop.org>
5595 * doc/extend.texi (Other Builtins): Actually use the macro
5596 argument in the documentation example for
5597 __builtin_types_compatible_p.
5599 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5601 PR rtl-optimization/28726
5602 * sched-deps.c (sched_analyze_reg): New function extracted from...
5603 (sched_analyze_1): ...here. Call it to analyze references to
5604 registers. Treat again writes to a stack register as writing to the
5606 (sched_analyze_2): ...and here. Call it to analyze references to
5607 registers. Treat again reads of a stack register as reading the
5610 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5611 David Edelsohn <edelsohn@gnu.org>
5614 * config/rs6000/spe.md (frob_df_di): Remove %H.
5615 (frob_di_df): Remove %H. Change evmergelo to mr.
5616 (frob_di_df_2): Remove %H. Change evldd to two loads.
5618 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5620 * doc/cpp.texi: Fix names of charset options.
5622 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5625 * config/i386/i386.c (override_options): Use 128-bit
5626 stack boundary always for 64bits.
5628 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5630 PR rtl-optimization/28636
5631 * combine.c (force_to_mode): Test for side-effects before
5632 substituting by zero.
5633 (simplify_shift_const): Likewise for zero or other constants.
5635 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5638 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5641 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5644 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5645 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5646 returned by mode_for_size, rather than the mode of src itself,
5647 to choose between 32-bit and 64-bit patterns.
5648 (mips_mem_fits_mode_p): New function.
5649 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5650 that the size of the source matches the size of the destination.
5651 (mov_<store>l, mov_<store>r): Likewise.
5653 2006-09-10 Eric Christopher <echristo@apple.com>
5655 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5658 2006-09-09 Eric Christopher <echristo@apple.com>
5661 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5664 2006-09-09 Roger Sayle <roger@eyesopen.com>
5665 Nicolas Setton <setton@adacore.com>
5667 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5669 2006-09-10 Andreas Schwab <schwab@suse.de>
5671 * config/m68k/m68k.md (bungt_rev): New pattern.
5673 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5674 Dale Johannesen <dalej@apple.com>
5677 * regclass.c (struct reg_pref): Update documentation.
5678 (regclass): Set prefclass to NO_REGS if memory is the best option.
5679 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5681 2006-09-08 Eric Christopher <echristo@apple.com>
5683 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5684 * config/t-slibgcc-darwin: Support x86_64 multilib.
5685 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5686 Return 1 for x86_64-darwin.
5687 * config/i386/t-darwin: Add m64 multilib.
5688 (LIB2_SIDITI_CONV_FUNCS): Use.
5689 (LIB2FUNCS_EXTRA): Ditto.
5690 * config/i386/darwin.h: Support x86_64.
5691 * config/i386/i386.c (override_options): Turn on flag_pic
5692 for x86_64-darwin. Disable flag_omit_pointer.
5693 (get_pc_thunk_name): Assert !TARGET_64BIT.
5694 (legitimate_address_p): Disable machopic addressing for
5696 (legitimize_pic_address): Ditto.
5697 (ix86_expand_move): Ditto.
5698 (ix86_expand_call): Ditto.
5699 (machopic_output_stub): Ditto.
5700 * config/darwin.c (machopic_select_section): Support literal16.
5701 (machopic_select_rtx_section): Ditto.
5702 * config/darwin-sections.def: Ditto.
5703 * config/darwin-64.c: New.
5705 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5708 * c-tree.h (struct c_arg_info): Add pending_sizes.
5709 * c-parser.c (c_parser_parms_declarator,
5710 c_parser_parms_list_declarator): Initialize pending_sizes.
5711 * c-decl.c (get_parm_info): Initialize pending_sizes.
5712 (get_parm_info): Set pending_sizes.
5713 (grokdeclarator): Call put_pending_sizes for parameters for
5714 function definition only.
5716 2006-09-07 Jason Merrill <jason@redhat.com>
5719 * varasm.c (output_constant): Only strip actual no-op conversions.
5722 * config/i386/i386.c (override_options): Use 128-bit
5723 stack boundary if -msse.
5725 2006-09-07 Eric Christopher <echristo@apple.com>
5727 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5729 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5732 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5734 * dwarf2out.c: Remove strange characters from comment above
5735 dwarf2out_frame_debug_expr.
5737 2006-09-07 Eric Christopher <echristo@apple.com>
5739 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5740 * config/darwin.h: ... to here.
5742 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5744 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5746 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5747 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5749 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5750 TARGET_PARTIAL_FLAG_REG_STALL.
5751 (*ashldi3_cconly_rex64): Likewise.
5752 (*ashlsi3_cmp): Likewise.
5753 (*ashlsi3_cconly): Likewise.
5754 (*ashlsi3_cmp_zext): Likewise.
5755 (*ashlhi3_cmp): Likewise.
5756 (*ashlhi3_cconly): Likewise.
5757 (*ashlqi3_cmp): Likewise.
5758 (*ashlqi3_cconly): Likewise.
5759 (*ashrdi3_cmp_rex64): Likewise.
5760 (*ashrdi3_cconly_rex64): Likewise.
5761 (*ashrsi3_cmp): Likewise.
5762 (*ashrsi3_cconly): Likewise.
5763 (*ashrsi3_cmp_zext): Likewise.
5764 (*ashrhi3_cmp): Likewise.
5765 (*ashrhi3_cconly): Likewise.
5766 (*ashrqi3_cmp): Likewise.
5767 (*ashrqi3_cconly): Likewise.
5768 (*lshrdi3_cmp_rex64): Likewise.
5769 (*lshrdi3_cconly_rex64): Likewise.
5770 (*lshrsi3_cmp): Likewise.
5771 (*lshrsi3_cconly): Likewise.
5772 (*lshrsi3_cmp_zext): Likewise.
5773 (*lshrhi3_cmp): Likewise.
5774 (*lshrhi3_cconly): Likewise.
5775 (*lshrqi2_cmp): Likewise.
5776 (*lshrqi2_cconly): Likewise.
5778 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5781 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5782 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5783 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5784 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5785 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5786 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5787 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5788 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5789 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5790 implement only CC setting effects of shift instructions.
5792 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5794 * doc/contrib.texi: Add myself.
5796 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5799 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5800 was set by the user.
5802 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5805 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5806 (divsi_inv_m1): Use them.
5807 (UNSPEC_DIV_INV_TABLE): New constant.
5809 2006-09-06 James E Wilson <wilson@specifix.com>
5812 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5813 then call count_or_remove_death_notes.
5815 2006-09-06 Jason Merrill <jason@redhat.com>
5818 * tree-inline.c (copy_result_decl_to_var): New fn.
5819 (declare_return_variable): Use it. Call declare_inline_vars here.
5820 (expand_call_inline): Not here.
5822 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5824 * doc/contrib.texi: Update my entry.
5826 2006-09-06 Nick Clifton <nickc@redhat.com>
5828 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5830 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5833 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5834 (canonicalize_induction_variables): Likewise.
5835 (tree_unroll_loops_completely): Likewise.
5836 (tree_ssa_prefetch_arrays): Likewise.
5837 (remove_empty_loops): Likewise.
5838 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5839 TODO_cleanup_cfg instead of directly calling
5840 cleanup_tree_cfg_loop.
5841 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5843 (tree_unroll_loops_completely): Likewise.
5844 (remove_empty_loops): Likewise.
5845 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5846 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5847 of tree_ssa_unswitch_loops.
5848 (tree_ssa_loop_ivcanon): Use the return value of
5849 canonicalize_induction_variables.
5850 (tree_ssa_empty_loop): Use the return value of
5852 (tree_complete_unroll): Use the return value of
5853 tree_unroll_loops_completely.
5854 (tree_ssa_loop_prefetch): Use the return value of
5855 tree_ssa_prefetch_arrays.
5856 * passes.c (execute_todo): Before Cleanup CFG, set
5857 updating_used_alone and after cleanup CFG, call
5858 recalculate_used_alone.
5860 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5863 * tree-vect-transform.c (vectorizable_condition): Move the check
5864 for the type after the check for simple condition.
5866 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5867 Kaz Kojima <kkojima@gcc.gnu.org>
5870 * mode-switching.c (optimize_mode_switching): Make the destination
5871 block of an abnormal edge have no anticipatable mode. Don't
5872 insert mode switching code at the end of the source block of
5875 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5877 PR rtl-optimization/26847
5878 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5879 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5880 (simplify_plus_minus): Count n_constants while filling ops. Replace
5881 qsort with insertion sort. Before going through the array to simplify
5882 pairs, sort it. Delay early exit until after the first sort, exiting
5883 only if no swaps occurred. Simplify pairs in reversed order, without
5884 special-casing the first iteration. Pack ops after simplifying pairs.
5886 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5888 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5889 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5890 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5891 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5893 2006-09-05 Richard Guenther <rguenther@suse.de>
5895 PR tree-optimization/28900
5896 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5897 compound conditional before creating COND_EXPR condition.
5899 2006-09-05 Richard Guenther <rguenther@suse.de>
5901 PR tree-optimization/28905
5902 * tree-vrp.c (fix_equivalence_set): Manually implement
5903 !value_ranges_intersect_p to also handle symbolic ranges.
5905 2006-09-05 Richard Guenther <rguenther@suse.de>
5908 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5911 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5913 PR rtl-optimization/27616
5914 * cse.c (table_size): New static variable.
5915 (new_basic_block): Initialize it to 0.
5916 (remove_from_table): Decrement it.
5917 (insert): Increment it.
5918 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5919 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5920 fold_rtx_mem_1 if under the cap.
5921 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5922 the lookup of the equivalent expression and test for equality of the
5923 first operand of the equivalent expression before in turn looking up
5924 an equivalent constant for the second operand.
5926 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5929 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5930 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5931 pointer, instead of assuming it is possible to derive the
5932 correct args size from a call insn.
5934 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5937 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5938 (fold_builtin_mempcpy): Rename to...
5939 (fold_builtin_memory_op): ... this. Optimize one element copy
5941 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5943 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5944 (expand_builtin_memcpy, expand_builtin_mempcpy,
5945 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5946 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5947 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5948 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5950 2006-09-01 DJ Delorie <dj@redhat.com>
5952 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5953 (stzx_16): Likewise.
5954 ("stzx_24_<mode>"): Likewise.
5955 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5956 ("cmp<mode>_op"): New.
5957 (cmp<mode>): Change to expander; just save operands.
5959 (b<code>): Change to expander, emit compare here.
5960 (s<code>_op): Change to use split and expander.
5961 (s<code>_24_op): Likewise.
5962 (s<code>_<mode>): New.
5963 (s<code>_<mode>_24): New.
5964 (movqicc_<code>_<mode): New.
5965 (movhicc_<code>_<mode>): New.
5968 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5969 (m32c_pend_compare): New.
5970 (m32c_unpend_compare): New.
5971 (m32c_expand_scc): New.
5972 (m32c_expand_movcc): Emit the compare also.
5973 * config/m32c/predicates.md (mra_nopp_operand): New.
5975 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5976 Richard Guenther <rguenther@suse.de>
5977 Adam Nemet <anemet@caviumnetworks.com>
5980 * builtins.c (get_pointer_alignment): Handle more forms
5981 of base addresses that can be used to derive more precise
5982 information about alignment.
5984 2006-09-01 Jason Merrill <jason@redhat.com>
5987 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5990 * gimplify.c (voidify_wrapper_expr): Handle null type.
5992 2006-09-01 Josh Conner <jconner@apple.com>
5995 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5996 (execute_return_slot_opt): Use it.
5998 2006-08-31 Josh Conner <jconner@apple.com>
6001 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6002 returning aggregates.
6004 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6006 PR tree-optimization/28839
6007 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6008 blocks in that phi arguments appear.
6010 2006-08-31 Roger Sayle <roger@eyesopen.com>
6013 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6014 NULL, otherwise use an advance_loc4 to adjust relative to the
6016 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6017 (dwarf2out_switch_text_section): Reset the current label to avoid
6018 using advance_loc4 over section boundaries.
6020 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6023 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6024 r12 + SYMBOLIC_CONST.
6026 2006-08-30 Richard Guenther <rguenther@suse.de>
6028 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6030 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6032 PR rtl-optimization/27735
6033 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6034 Add new argument to keep track of whether an irreducible region
6035 was affected. All callers changed.
6036 (fix_irreducible_loops): Removed.
6037 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6038 flags were invalidated.
6040 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6042 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6043 instead of SF operands.
6044 (*fop_df_comm_sse): Likewise.
6045 (*fop_df_comm_i387): Likewise.
6046 (*fop_df_1_mixed): Likewise.
6047 (*fop_df_1_sse): Likewise.
6049 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6050 J"orn Rennecke <joern.rennecke@st.com>
6052 PR tree-optimization/17506
6053 * tree-ssa.c (warn_uninit): If warning about a location outside of
6054 the current function, note where the variable was declared.
6056 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6058 PR tree-optimization/28411
6059 * double-int.c (double_int_div): Use double_int_divmod.
6060 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6061 double_int_mod, double_int_smod, double_int_umod): New functions.
6062 * double-int.h (double_int_divmod, double_int_sdivmod,
6063 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6065 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6067 (get_computation_aff, get_computation_cost_at): Handle double_int
6068 return type of constant_multiple_of.
6070 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6073 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6074 an implicit conversion.
6076 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6078 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6080 2006-08-27 Roger Sayle <roger@eyesopen.com>
6082 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6085 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6087 * config/i386/crtfastmath.c: Fix a comment typo.
6089 2006-08-26 Roger Sayle <roger@eyesopen.com>
6091 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6092 temporary visit flags on CASE_LABEL_EXPRs.
6093 * c-common.c (match_case_to_enum): Add function comment. Avoid
6094 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6095 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6096 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6097 a constant, only warn if that constant value isn't handled.
6099 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6102 * input.h (restore_input_file_stack): Declare.
6103 (INPUT_FILE_STACK_BITS): Define.
6104 * toplev.c (fs_p, input_file_stack_history,
6105 input_file_stack_restored, restore_input_file_stack): New.
6106 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6107 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6108 (pop_srcloc): Don't free old state of stack.
6110 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6113 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6114 (PowerPC Type Attributes): New.
6116 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6118 * config/xtensa/xtensa.c (function_arg_boundary): New.
6119 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6121 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6122 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6124 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6127 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6130 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6132 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6133 (verify_local_live_at_start): Likewise.
6135 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6138 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6139 omp_add_variable): Treat sizes as variable whenever not
6142 2006-08-26 Richard Guenther <rguenther@suse.de>
6145 * fold-const.c (fold_binary): Fold temporary to correct
6146 type before constructing new comparison.
6148 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6151 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6152 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6154 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6157 * c-decl.c (start_function): Don't try to process prototype
6158 information from old declaration that isn't a function.
6160 2006-08-25 Jan Hubicka <jh@suse.cz>
6163 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6165 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6168 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6171 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6173 PR tree-optimization/16876
6174 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6175 exit if PARM doesn't match VALUE.
6177 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6179 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6180 literal_prefix directive.
6181 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6182 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6183 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6185 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6188 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6189 predicate to general_operand. Add 0->y and I->r alternatives.
6191 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6193 * doc/tm.texi: Fix a typo.
6194 * predict.c: Fix comment typos.
6196 2006-08-25 Nick Clifton <nickc@redhat.com>
6198 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6199 assertions of "cpu" and "machine".
6201 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6204 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6205 the access through a base which has an alias set of 0 cannot
6208 2006-08-24 Bill Wendling <wendling@apple.com>
6210 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6212 2006-08-24 Jan Hubicka <jh@suse.cz>
6214 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6216 2006-08-24 Jan Hubicka <jh@suse.cz>
6219 * cgraph.c: Fix comments.
6220 (cgraph_varpool_mark_needed_node): Mark only variables not already
6222 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6223 (cgraph_varpool_assembled_nodes_queue): New static variable.
6224 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6225 (cgraph_varpool_output_debug_info): New function.
6226 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6227 * Makefile.in: Add gt-cgraphunit.h
6229 2006-08-24 Jan Hubicka <jh@suse.cz>
6231 * predict.c (probability_reliable_p): New predicate.
6232 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6233 (predict_loops): Do not predict loop exit with less than 2%
6235 * basic-block.h (edge_probability_reliable_p,
6236 br_prob_note_reliable_p): Declare.
6237 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6238 prediction when static predictor is not reliable.
6239 * rs6000.c (output_cbranch): Likewise.
6241 2006-08-23 Stuart Hastings <stuart@apple.com>
6244 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6245 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6247 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6250 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6251 complex values, nor for generic vector values.
6253 2006-08-22 Richard Guenther <rguenther@suse.de>
6256 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6257 parameter. Convert arguments to arithmetic expression to the
6259 (analyze_scalar_evolution_1): Adjust caller.
6261 2006-08-22 Jan Hubicka <jh@suse.cz>
6263 Patch by Paolo Bonzini
6264 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6267 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6269 PR tree-optimization/28003
6270 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6271 before grouping aliases.
6273 2006-08-22 Roger Sayle <roger@eyesopen.com>
6275 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6276 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6278 2006-08-21 Jason Merrill <jason@redhat.com>
6281 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6282 wrapper. Loop to handle nested wrappers.
6283 (gimplify_bind_expr): Remove temp parameter.
6284 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6285 and STATEMENT_LIST on the rhs.
6286 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6287 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6288 (gimplify_target_expr): Remove special BIND_EXPR handling.
6290 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6292 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6295 2006-08-21 Olivier Hainque <hainque@adacore.com>
6297 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6298 Arrange for the temporary captures of components overlapping the lhs
6299 to happen before the lhs is possibly cleared.
6301 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6303 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6304 necessary places to pass the correct "number of registers" values
6307 2006-08-20 Jan Hubicka <jh@suse.cz>
6309 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6310 (create_name_tags): Instead of quadratic checking use hashtable.
6311 * bitmap.h: Include hashtab.h.
6312 (bitmap_hash): Declare.
6313 * bitmap.c (bitmap_hash): New function.
6315 2006-08-20 Jan Hubicka <jh@suse.cz>
6317 PR rtl-optimization/28071
6318 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6320 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6321 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6322 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6323 cgraph_decide_inlining_incrementally): Update use of
6324 cgraph_check_inline_limits.
6325 * cgraph.c (edge_hash, edge_eq): New function.
6326 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6327 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6328 cgraph_remove_node): Maintain call site hash.
6329 * cgraph.h (struct cgraph_node): Add call_site_hash.
6330 (cgraph_set_call_stmt): New function.
6332 2006-08-20 Jan Hubicka <jh@suse.cz>
6334 PR rtl-optimization/28071
6335 * reload1.c (reg_has_output_reload): Turn into regset.
6336 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6337 choose_reload_regs, emit_reload_insns): Update to new
6338 reg_has_output_reload.
6340 2006-08-20 Jan Hubicka <jh@suse.cz>
6343 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6344 function body sizes.
6345 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6347 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6350 * tree.c (handle_dll_attribute): Return early if not a
6351 var or function decl.
6353 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6356 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6357 alignment of SPE vector types.
6359 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6361 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6363 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6366 * cgraph.h (struct cgraph_node): Remove externally_visible
6368 * cgraphunit.c (process_function_and_variable_attributes): Set
6369 local.externally_visible rather than externally_visible.
6372 * c-common.c (handle_externally_visible_attribute): First look
6373 at TREE_CODE and only if it is function or var decl, check for
6374 non-public objects. Don't warn for DECL_EXTERNAL.
6375 * cgraphunit.c (process_function_and_variable_attributes): Warn
6376 if externally_visible attribute is used on non-public object.
6378 2006-08-17 Jan Hubicka <jh@suse.cz>
6380 PR tree-optimization/27865
6381 * reload1.c (forget_marked_reloads): New function.
6382 (forget_old_reloads_1): When data are passed, just mark the registers
6384 (reload_as_needed): Use the new mechanizm.
6386 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6389 * reload.h (reg_equiv_alt_mem_list): New declaration.
6390 * reload1.c (reg_equiv_alt_mem_list): New definition.
6391 (reload): Initialize it and release it.
6392 (delete_output_reload): Use it.
6393 * reload.c (push_reg_equiv_alt_mem): New function.
6394 (find_reloads_toplev): Call it.
6395 (find_reloads_address, find_reloads_address_1): Likewise.
6396 (find_reloads_subreg_address): Likewise.
6398 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6400 PR rtl-optimization/28489
6401 * sched-ebb.c (begin_schedule_ready): Create basic block
6403 (advance_target_bb): Skip empty blocks.
6404 * haifa-sched.c (bb_note): Make global.
6405 * sched-int.h (bb_note): Add prototype.
6407 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6409 PR tree-optimization/27865
6410 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6412 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6413 fold_used_pointer, pointer_used_p): New functions.
6414 (analyze_scalar_evolution_1): Use fold_used_pointer.
6415 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6416 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6419 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6422 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6423 or the INTEGER_CST. Fail on a CALL_EXPR.
6424 (fold_offsetof): Pass new argument to fold_offsetof_1.
6425 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6426 operand into an INDIRECT_REF.
6427 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6429 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6431 PR gcov/profile/26570
6432 * value-prof.c (static_values): Removed.
6433 (tree_find_values_to_profile): Do not set static_values.
6434 (find_values_to_profile): Do not free static_values.
6435 * profile.c (instrument_values): Do not free the values.
6436 (branch_prob): Free the values.
6438 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6440 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6442 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6445 * c-typeck.c (build_component_ref): Combine qualifiers of
6446 structure or union and field.
6448 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6450 PR rtl-optimization/28071
6451 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6452 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6453 * tree-into-ssa.c (struct dom_dfsnum): New.
6454 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6456 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6457 compute_global_livein.
6458 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6459 in phi nodes in the correct blocks.
6461 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6463 PR tree-optimization/28364
6464 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6466 (fold_affine_expr): New function.
6467 (may_eliminate_iv): Use fold_affine_expr.
6469 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6472 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6475 2006-08-16 Mike Stump <mrs@apple.com>
6477 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6478 * doc/cppopts.texi (-MD): Likewise.
6480 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6483 * c-common.c (handle_weak_attribute): Ignore and warn if
6484 not a FUNCTION_ or VAR_DECL.
6486 2006-07-15 Mike Stump <mrs@apple.com>
6489 * c-parser.c (c_parser_typeof_specifier): Don't use
6490 c_finish_expr_stmt, open code desired semantics instead.
6492 2006-08-15 Nick Clifton <nickc@redhat.com>
6494 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6495 fragment to tmake_file only if threads are enabled.
6496 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6497 * config/i386/t-gthr-win32: New file. ... here.
6499 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6502 * c-parser.c (c_parser_compound_statement_nostart): Reset
6503 parser->error after each statement.
6505 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6508 * omp-low.c (lower_omp_parallel): Convert t to
6509 receiver_decl's type.
6510 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6511 source before comparison.
6514 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6515 to itype in assignment to oldival2.
6517 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6521 * c-typeck.c (build_compound_expr): If the second expression
6522 is an error mark, then just return an error mark instead of
6523 creating a COMPOUND_EXPR.
6525 2006-07-14 Mike Stump <mrs@apple.com>
6527 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6529 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6531 * c-decl.c, var-tracking.c: Fix comment typos.
6533 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6535 PR rtl-optimization/28634
6536 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6537 for floating-point modes unless flag_unsafe_math_optimizations.
6539 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6540 Andrew Pinski <pinskia@physics.uc.edu>
6543 * tree.c (build_array_type): Unify array types with
6544 unspecified index_type.
6545 * c-decl.c (grokdeclarator): Make sure we do not modify a
6546 unified incomplete array type.
6547 * c-typeck.c (store_init_value): Create distinct type before
6548 filling in the index type in an initializer from a compound
6551 * c-decl.c (grokdeclarator): Remove code where we copy the
6554 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6556 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6557 into account for TODO_dump_cgraph.
6558 (TODO_update_ssa_no_phi): Likewise.
6559 (TODO_update_ssa_full_phi): Likewise.
6560 (TODO_update_ssa_only_virtuals): Likewise.
6561 (TODO_remove_unused_locals): Likewise.
6562 (TODO_set_props): Likewise.
6563 (TODO_update_stmt_usage): Likewise.
6565 2006-08-13 Dirk Mueller <dmueller@suse.de>
6567 * c-common.c (strict_aliasing_warning): Fix formatting.
6569 2006-08-13 Matthias Klose <doko@debian.org>
6571 * doc/invoke.texi: Fix spelling errors.
6573 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6575 PR rtl-optimization/23454
6576 * reorg.c (relax_delay_slots): Update comment.
6578 2006-08-11 Richard Guenther <rguenther@suse.de>
6581 * simplify-rtx.c (simplify_const_relational_operation):
6582 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6585 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6587 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6588 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6590 2006-08-10 Paul Brook <paul@codesourcery.com>
6592 * final.c (final_scan_insn): Clear current_insn_predicate before
6593 outputting inline asm.
6595 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6597 PR tree-optimization/26197
6598 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6599 get_ref_base_and_extent and overlap_subvar to add only relevant
6600 subvars as may-aliases.
6601 (add_may_alias_for_new_tag): New function, factored out of
6603 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6604 with additional argument.
6605 * tree-flow.h (new_type_alias): Takes additional argument.
6607 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6609 * gcov.c (no_data_file): New flag.
6610 (read_count_file): Set it if data file not present. Assume counts
6612 (output_lines): Don't name the data file, if there wasn't one.
6614 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6616 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6617 (rs6000_generate_compare): Tweak comments.
6618 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6620 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6622 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6623 (var_debug_decl): New function.
6624 (var_reg_set): Follow debug decl link. Add location even if
6625 reg is already known to hold some other variable.
6626 (var_mem_set): Follow debug decl link.
6627 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6628 decl link. Delete other known locations of the variable part
6630 (var_reg_delete, var_mem_delete): Delete other known locations
6631 of the variable part if requested.
6632 (same_variable_part_p): New function.
6633 (add_stores): Select MO_COPY when appropriate.
6634 (vt_initialize): Handle it.
6635 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6636 known locations for MO_SET and MO_CLOBBER.
6637 (find_variable_location_part): New function.
6638 (set_variable_part, delete_variable_part): Use it.
6639 (clobber_variable_part): New function.
6640 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6643 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6645 PR tree-optimization/26969
6646 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6647 with an empty list of PHIs.
6649 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6653 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6656 2006-08-06 Andreas Schwab <schwab@suse.de>
6658 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6659 string. Whitespace and comment fixup.
6661 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6664 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6668 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6671 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6673 2006-08-04 Jan Hubicka <jh@suse.cz>
6677 * reload.c (push_reload): Patch out the mismatching instruction;
6679 (find_reload): Bail out if the instruction was patched out.
6681 2006-08-04 Jan Hubicka <jh@suse.cz>
6683 PR tree-optimization/24888
6684 * tree-inline.c (expand_call_inline): Do not re-record variables.
6685 (declare_inline_vars): Add variable to unexpanded_var_list.
6687 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6688 Roger Sayle <roger@eyesopen.com>
6690 PR rtl-optimization/26244
6691 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6692 inner_const are negative or greater than or equal to the bitsize of
6693 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6694 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6695 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6696 CONST0_RTX (mode) when the new shift count is greater than or equal to
6697 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6700 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6702 * tree-cfg.c: Fix a comment typo.
6704 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6707 * varasm.c (output_constant): Give the front end another chance to
6708 expand constants, after stripping NOPs.
6710 2006-08-03 Jan Hubicka <jh@suse.cz>
6712 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6715 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6717 PR tree-optimization/27770
6718 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6719 declaration removed (moved to tree-flow.h).
6720 (vect_can_force_dr_alignment_p): Likewise.
6721 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6722 (moved from tree-vectorizer.h).
6723 (vect_can_force_dr_alignment_p): Likewise.
6724 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6725 from outside the vectorizer - in particular from cgraph stage.
6726 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6727 the alignment of global arrays when -fsection-anchors is enabled.
6728 * cgraphunit.c (cgraph_increase_alignment): New function.
6729 (cgraph_optimize): Call cgraph_increase_alignment.
6731 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6734 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6735 not reload a SPE symbol_ref into a lo_sum address.
6737 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6740 * dwarf2out.c (prune_unused_types_prune): Move call to
6741 prune_unused_types_update_strings to cover the parent DIE also.
6743 2006-08-02 Jan Hubicka <jh@suse.cz>
6745 PR gcov/profile/28480
6746 * tree-cfg.c (change_bb_for_stmt): New function.
6747 (tree_merge_blocks, tree_split_blocks): Use it.
6749 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6755 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6756 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6757 (cgraph_optimize): Likewise.
6759 2006-08-01 Stuart Hastings <stuart@apple.com>
6761 * rtl.h (UINTVAL) New.
6762 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6763 * testsuite/gcc.dg/20060801-1.c: New.
6765 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6768 * c-typeck.c (build_external_type): Mark used enum types.
6769 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6771 (gen_subprogram_die): Whitespace fix.
6773 2006-08-01 Jan Hubicka <jh@suse.cz>
6775 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6776 bitmap when not needed.
6777 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6780 2006-08-01 Dirk Mueller <dmueller@suse.de>
6782 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6784 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6786 * Makefile.in: Revert part of previous patch:
6787 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6790 2006-07-30 Eric Christopher <echristo@apple.com>
6793 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6794 (PowerPC Variable Attributes): New section.
6796 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6798 PR target/28126 (partial fix)
6799 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6801 2006-07-28 Jan Hubicka <jh@suse.cz>
6803 PR rtl-optimization/28071
6804 * cfgrtl.c (rtl_delete_block): Free regsets.
6805 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6807 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6809 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6810 and variables used in dependencies.
6812 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6814 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6815 %fs for -mcmodel=kernel.
6816 (stack_tls_protect_test_di): Likewise.
6818 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6820 * Makefile.in: Use mkinstalldirs.
6822 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6825 * opts-common.c (prune_options): Skip joined switches.
6827 2006-07-27 Jan Hubicka <jh@suse.cz>
6829 PR rtl-optimization/28071
6830 * cselib.c (cselib_process_insn): Don't remove useless values too
6831 often for very large hashtables.
6833 2006-07-27 Jan Hubicka <jh@suse.cz>
6835 PR rtl-optimization/28071
6836 * global.c (greg_obstack): New obstack.
6837 (allocate_bb_info): Use it.
6838 (free_bb_info): Likewise.
6839 (modify_reg_pav): Likewise.
6841 2006-07-27 Roger Sayle <roger@eyesopen.com>
6843 * builtins.c (fold_fixed_mathfn): When long and long long are the
6844 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6845 functions to their lceil*, lfloor*, lround* and lrint* forms.
6847 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6850 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6852 (rev_branch_insn): Likewise.
6854 2006-07-27 Jan Hubicka <jh@suse.cz>
6856 PR rtl-optimization/28071
6857 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6858 (reg_set_in_bb, max_reg_computed): New static variables.
6859 (regmove_optimize): Free the new array.
6860 (fixup_match_1): Update call of reg_is_remote_constant_p.
6862 2006-07-26 Jan Hubicka <jh@suse.cz>
6864 PR tree-optimization/27882
6865 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6867 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6869 (cgraph_analyze_compilation_unit): Likewise.
6870 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6871 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6872 (cgraph_early_inlinine): Make order garbage collected.
6873 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6875 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6877 * dbxout.c (output_types_sort): Add a comment.
6878 (output_used_types): Free the VEC.
6880 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6882 * function.c (reorder_fix_fragments): Delete.
6883 (reorder_blocks): Don't call it.
6884 (reorder_blocks_1): Put all subblocks under the origin block.
6886 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6888 PR rtl-optimization/27907
6889 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6892 2006-07-25 Roger Sayle <roger@eyesopen.com>
6895 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6896 bar(x) check that bar's result type can represent all the values of T.
6898 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6900 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6902 2006-07-25 Nick Clifton <nickc@redhat.com>
6904 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6905 size_lookup[] array.
6906 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6907 (ggc_pch_count_object): Likewise.
6908 (ggc_pch_alloc_object): Likewise.
6909 (ggc_pch_write_object): Likewise.
6910 (init_ggc): Do not attempt to initialize entries in the
6911 size_lookup[] array for objects whose size is greater than than
6912 the length of the array.
6914 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6916 * dbxout.c (output_used_types_helper): Push queued types
6918 (output_types_sort): New.
6919 (output_used_types): Collect used types on a VEC and sort them
6922 2006-07-24 Richard Guenther <rguenther@suse.de>
6925 * cgraph.c (cgraph_remove_node): Do not check if dumps
6927 * cgraphunit.c (cgraph_optimize): Likewise.
6929 2006-07-24 Jan Hubicka <jh@suse.cz>
6931 PR rtl-optimization/28071
6932 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6933 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6934 splitting before first stmt.
6936 2006-07-24 Jan Hubicka <jh@suse.cz>
6938 PR rtl-optimization/28071
6939 * ipa-inline.c (update_caller_keys): Remove edges that
6940 are no longer inline candidates.
6942 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6945 * dbxout.c (output_used_types_helper, output_used_types): New.
6946 (dbxout_symbol): Call output_used_types.
6948 2006-07-23 Jan Hubicka <jh@suse.cz>
6952 * cgraph.c (cgraph_varpool_nodes): Export.
6953 (decide_is_variable_needed): Ignored "used" attribute in
6954 unit-at-a-time mode.
6955 * cgraph.h (cgraph_varpool_nodes): Declare.
6956 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6957 unit-at-a-time mode.
6959 2006-07-23 Roger Sayle <roger@eyesopen.com>
6962 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6963 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6964 the __gthrw form of thr_keycreate.
6965 (__gthread_key_delete): Silence the unused argument warning.
6967 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6970 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6971 Cache the last found '\0' marker to avoid quadratic behavior.
6973 2006-07-23 Jan Hubicka <jh@suse.cz>
6975 * i386.md (subsi_3_zext): Fix output template.
6977 2006-07-21 Mike Stump <mrs@apple.com>
6979 * doc/invoke.texi (C++ Dialect Options): Note that
6980 -fvisibility-inlines-hidden doesn't affect explicitly
6981 instantiationed inline methods.
6983 2006-07-20 Roger Sayle <roger@eyesopen.com>
6985 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6986 if the target assembler is GNU binutils' gas.
6987 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6988 whether to pass GNU gas or native as command line options.
6990 2006-07-20 Jason Merrill <jason@redhat.com>
6992 * tree.c (remove_attribute): New fn.
6993 * tree.h: Declare it.
6995 2006-07-20 Paul Brook <paul@codesourcery.com>
6998 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6999 they are invalidated by this instruction.
7001 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7004 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7006 2006-07-20 Eric Christopher <echristo@apple.com>
7009 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7011 2006-07-19 Eric Christopher <echristo@apple.com>
7013 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7014 Rewrite dependencies for libgcc_s.1.dylib.
7016 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7018 * except.c (duplicate_eh_regions_1): Clear next_peer.
7020 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7022 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7023 -mlongcall does not guarantee all calls will be long.
7024 * doc/extend.texi (long_call/short_call): Document that longcall
7025 does not guarantee a long call will be used.
7026 (longcall/shortcall): Likewise.
7028 2006-07-18 Roger Sayle <roger@eyesopen.com>
7031 * expmed.c (expand_shift): Additionally check that the shift_cost
7032 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7033 before implementing a LSHIFT_EXPR as a sequence of additions.
7034 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7035 middle-end that DImode shifts need to be synthesized by expand.
7037 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7040 * tree-ssa-operands.c (access_can_touch_variable): Update
7042 Return true if ALIAS is .GLOBAL_VAR.
7044 2006-07-18 David Daney <ddaney@avtrex.com>
7046 * gcc.c (display_help): Fix typo in help text.
7048 2006-07-18 Olivier Hainque <hainque@adacore.com>
7050 * tree.h (categorize_ctor_elements): Adjust prototype and add
7051 descriptive comment, both in accordance with the interface change
7053 * varasm.c (constructor_static_from_elts_p): New function.
7054 Whether a constructor node is a valid static constant initializer
7055 if all its elements are.
7056 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7057 * output.h: Declare it.
7058 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7059 is a valid constant initializer instead of computing the number of
7060 non-constant elements. Use constructor_static_from_elts_p for this
7061 purpose. Replace the head comment with an indication that this is a
7062 helper for categorize_ctor_elements.
7063 (categorize_ctor_elements): Same interface change as for the _1
7064 helper. Former head comment from this helper moved here, adjusted to
7065 account for the interface changes.
7066 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7067 (all_zeros_p): Likewise.
7068 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7069 static versions of the constructor from the categorize_ctor_elements
7070 return value instead of the formerly computed number of non-constant
7073 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7075 * configure: Regenerate.
7076 * Makefile.in (build_libsubdir): New configure substitution
7077 (build_libobjdir): New variable.
7078 (BUILD_LIBIBERTY): Use it.
7080 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7083 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7085 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7088 * c-common.c (handle_weakref_attribute): Ignore attribute in
7089 the same conditions the alias attribute is ignored.
7091 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7093 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7094 (dbxout_begin_prologue): Increment scope_labelno.
7096 2006-07-17 Richard Henderson <rth@redhat.com>
7099 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7102 2006-07-17 Roger Sayle <roger@eyesopen.com>
7103 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7105 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7106 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7107 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7108 functions such as sbrk, write, etc.. Add function prototypes.
7109 Convert function declarations from K&R to ISO C. Cast pointers
7110 to "long" and "unsigned long" instead of "int" and "unsigned int".
7111 Convert tokens following #endif into comments.
7113 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7115 * invoke.texi: Remove mention of f77; Reformat table for
7116 inline parameter options correctly; mention that -malign-double
7117 is default on x86-64 targets.
7119 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7121 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7122 (convert_affine_scev, chrec_convert_aggressive): Use
7123 avoid_arithmetics_in_type_p. Do not check for the subtypes
7126 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7129 * optabs.c (expand_doubleword_shift): Wrap the call to
7130 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7132 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7135 * optabs.c (expand_binop): Pass next_methods rather than methods
7136 to expand_doubleword_shift.
7138 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7141 * tree.h (dump_addr): Declare.
7142 * print-tree.c (dump_addr): New function.
7143 (print_node_brief, print_node): Use it.
7144 * print-rtl.c (print_rtx): Likewise.
7145 * common.opt (-fdump-noaddr): New option.
7146 * doc/invoke.texi (-fdump-noaddr): Document.
7147 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7148 (ve_info_hash): Likewise.
7150 2006-07-13 Andrew Haley <aph@redhat.com>
7152 PR tree-optimization/19505
7153 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7154 edge leaving this block, make sure that the destination of this
7155 block has only one predecessor.
7157 2006-07-17 Richard Guenther <rguenther@suse.de>
7159 PR tree-optimization/28238
7160 * tree-inline.c (copy_bb): Check if we produced valid
7161 gimple copying and substituting a stmt. If not, gimplify
7164 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7166 * optabs.c (maybe_encapsulate_block): New function extracted from...
7167 (emit_libcall_block): ...here. Invoke it on the block of insns to
7168 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7169 (emit_no_conflict_block): Likewise.
7171 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7173 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7175 2006-07-15 Roger Sayle <roger@eyesopen.com>
7177 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7178 a new NOP_EXPR case of the switch statement.
7180 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7183 * stor-layout.c (place_field): Take the bit field with
7184 an excessive size into account in the ms-bitfiled case.
7187 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7188 the previous bit field.
7190 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7193 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7195 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7197 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7198 signal frames correctly even when the signal was installed with
7201 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7203 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7204 (dbxout_function_end): Use local label LFBB. Remove hook
7206 (dbxout_source_line): Use local label LFBB.
7207 (dbxout_block): Likewise.
7208 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7209 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7210 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7211 and DBX_OUTPUT_NFUN.
7213 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7215 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7217 2006-07-13 Jan Hubicka <jh@suse.cz>
7219 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7221 * output.h (align_variable): Declare.
7222 * varasm.c (align_variable): Export.
7223 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7224 when basic block changed.
7226 2006-07-13 Nick Clifton <nickc@redhat.com>
7228 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7229 walking the LOG_LINKS chain.
7231 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7233 * doc/invoke.texi (C++ Dialect Options): Explain difference
7234 between -fvisibility-inlines-hidden and setting hidden
7235 visibility explicitly.
7237 2006-07-12 Eric Christopher <echristo@apple.com>
7239 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7240 (stmp-lipo): Depend on libgcc.a.
7242 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7244 * tree.c: Fix a comment typo.
7246 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7248 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7250 (umulhisi3_r): Likewise.
7252 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7255 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7256 x < 19, vs wchar_t support.
7258 2006-07-12 Nick Clifton <nickc@redhat.com>
7260 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7261 instead of -isa=sh4.
7263 2006-07-12 Mike Stump <mrs@apple.com>
7265 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7267 2006-07-10 Eric Christopher <echristo@apple.com>
7269 * config/t-slibgcc-darwin: Rewrite.
7271 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7274 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7277 2006-07-08 Matthias Klose <doko@debian.org>
7279 * doc/sourcebuild.texi: Fix typo.
7281 2006-07-07 Mike Stump <mrs@apple.com>
7283 * toplev.c (process_options): Don't give -ffunction-sections may
7284 affect debugging warning for Mach-O.
7286 2006-07-07 James E Wilson <wilson@specifix.com>
7288 * config/mips/mips.md (cpu): Add sb1a.
7289 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7290 addition to sb1. Adjust comments to clarify SB-1A differences from
7292 (ir_sb1a_load): New. Modify bypasses to use it.
7293 (ir_sb1a_simple_alu): Likewise.
7294 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7295 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7296 (mips_issue_rate): Add PROCESSOR_SB1A.
7297 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7298 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7299 (TARGET_SB1): Add PROCESSOR_SB1A check.
7300 (TUNE_SB1): Likewise.
7302 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7303 * config/mips/mips.c (mips_store_data_bypass_p): New.
7304 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7305 store_data_bypass_p.
7307 2006-07-08 Paul Brook <paul@codesourcery.com>
7310 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7312 2006-07-07 Richard Guenther <rguenther@suse.de>
7315 * tree.h (build_one_cst): Declare.
7316 * tree.c (build_one_cst): New function.
7317 * tree-ssa-math-opts.c (get_constant_one): Remove.
7318 (insert_reciprocals): Use build_one_cst.
7319 * fold-const.c (fold_plusminus_mult): Likewise.
7321 2006-07-07 Roger Sayle <roger@eyesopen.com>
7323 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7324 * cfgloopanal.c (dump_graph): Likewise.
7325 * dojump.c (discard_pending_stack_adjust): Likewise.
7326 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7328 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7329 * function.c (finalize_block_changes): Likewise.
7330 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7331 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7332 * rtl.c (dump_rtx_statistics): Likewise.
7333 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7335 * varray.c (dump_varray_statistics): Likewise.
7336 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7337 decode_decimal64, encode_decimal128, decode_decimal128,
7338 decimal_real_to_decimal): Likewise.
7340 2006-07-07 Richard Guenther <rguenther@suse.de>
7342 PR tree-optimization/28187
7343 * tree-vrp.c (vrp_operand_equal_p): New function.
7344 (vrp_bitmap_equal_p): Likewise.
7345 (update_value_range): Use them to compare old and new
7348 2006-07-06 Roger Sayle <roger@eyesopen.com>
7350 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7351 a default case to switch statement to silence compiler warnings.
7353 2006-07-06 Roger Sayle <roger@eyesopen.com>
7356 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7357 the configured assembler supports the x87's ffreep mnemonic.
7358 * configure: Regenerate.
7359 * config.in: Regenerate.
7361 * config/i386/i386.c (output_387_ffreep): New function.
7362 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7363 (output_387_reg_move): Likewise.
7365 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7367 Port to hosts whose 'sort' and 'tail' implementations
7368 treat operands with leading '+' as file names, as POSIX
7369 has required since 2001. However, make sure the code still
7370 works on pre-POSIX hosts.
7371 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7372 which says you should use "tail -c +N" rather than "tail +Nc".
7373 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7375 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7377 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7380 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7383 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7384 PRE_{INC,DEC} of TFmode.
7386 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7387 Alan Modra <amodra@bigpond.net.au>
7390 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7393 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7396 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7397 Remove duplicate gtu.
7399 2006-07-05 Jason Merrill <jason@redhat.com>
7403 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7404 * c-common.c (handle_packed_attribute): So don't copy it here.
7405 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7407 2006-07-05 Mike Stump <mrs@apple.com>
7409 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7411 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7414 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7416 2006-07-05 Richard Guenther <rguenther@suse.de>
7419 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7420 TARGET_SSE2 targets if using SSE math.
7421 (*absdf2_1): Likewise.
7423 2006-07-05 Richard Guenther <rguenther@suse.de>
7425 PR tree-optimization/28162
7426 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7427 make sure to convert the operands to the correct type.
7429 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7431 PR tree-optimization/28218
7433 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7434 to calculate and free the dominator information.
7436 2006-07-04 Peter O'Gorman <peter@pogma.com>
7438 * mklibgcc.in: chmod 644 before ranlib during install.
7440 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7441 J"orn Rennecke <joern.rennecke@st.com>
7443 * configure.ac (.eh_frame data check): Use diff -b.
7445 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7448 * Makefile.in (BUILD_RTL): Add build/vec.o.
7449 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7450 (build/genextract): Delete.
7451 (build/genautomata): Likewise.
7453 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7456 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7457 128-bit IBM long doubles for ABI_V4.
7459 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7461 * tree.c (range_in_array_bounds_p): New predicate.
7462 * tree.h (range_in_array_bounds_p): Declare it.
7463 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7464 return a less conservative answer.
7465 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7466 and flag 'is_group'.
7467 (IS_ELEMENT_FOR_GROUP): New macro.
7468 (FOR_EACH_ACTUAL_CHILD): Likewise.
7469 (next_child_for_group): New helper function.
7470 (can_completely_scalarize_p): Take into account groups.
7471 (sra_hash_tree): Handle RANGE_EXPR.
7472 (sra_elt_eq): Likewise.
7473 (lookup_element): Be prepared for handling groups.
7474 (is_valid_const_index): Delete.
7475 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7476 instead of is_valid_const_index.
7477 <ARRAY_RANGE_REF>: New case.
7478 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7479 is_valid_const_index.
7480 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7481 (scan_dump): Dump info for groups too.
7482 (decide_instantiation_1): Likewise.
7483 (decide_block_copy): Assert that the element is not a group.
7484 Propagate decision to groups.
7485 (generate_one_element_ref): Handle RANGE_EXPR.
7486 (mark_no_warning): Iterate over actual childs.
7487 (generate_copy_inout): Likewise.
7488 (generate_element_copy): Likewise.
7489 (generate_element_zero): Likewise.
7490 (generate_element_init_1): Likewise.
7491 (dump_sra_elt_name): Handle RANGE_EXPR.
7493 2006-07-03 Roger Sayle <roger@eyesopen.com>
7495 PR tree-optimization/26251
7496 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7497 (thread_block): When optimizing for size refuse to thread jumps
7498 that would require duplication of blocks other than redirection
7501 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7503 * configure.ac: Fix thinko in previous check-in.
7504 * configure: Regenerate.
7506 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7509 * configure.ac (for lang...): Simplify nesting of conditionals.
7510 Test subdir_requires for non-enabled languages. Move processing
7511 of lang_opt_files and lang_tree_fiels below that test.
7512 * configure: Regenerate.
7513 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7515 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7517 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7519 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7521 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7524 2006-06-29 Jason Merrill <jason@redhat.com>
7531 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7532 * c-common.c (c_determine_visibility): Handle it here.
7533 * c-decl.c (finish_decl): Call c_determine_visibility for
7535 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7537 * varasm.c (default_assemble_visibility): Likewise.
7538 * c-common.c (handle_visibility_attribute): Complain about trying
7539 to give visibility to an already defined class, or trying to change
7540 declared visibility. Always attach the attribute.
7545 * attribs.c (decl_attributes): Ignore type-in-place attributes
7546 once the type has been defined.
7548 2006-06-29 Roger Sayle <roger@eyesopen.com>
7551 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7552 to indicate the cpplib has issued an error message for us.
7554 2006-06-29 Asher Langton <langton2@llnl.gov>
7557 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7558 insert a label at the end of an function under Mach-O.
7560 2006-06-29 Eric Christopher <echristo@apple.com>
7561 Evan Cheng <evan.cheng@apple.com>
7563 * predicates.md (vector_all_ones_operand): New.
7564 (nonimmediate_or_sse_const_operand): Ditto.
7565 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7566 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7567 (standard_sse_mode_p): Ditto.
7568 (standard_sse_constant_p): Add case for -1 vector.
7569 (ix86_expand_vector_move): Try to use.
7570 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7571 Call standard_sse_constant_opcode.
7572 (*movv4sf_internal): Ditto.
7573 (*movv2df_internal): Ditto.
7575 2006-06-29 Roger Sayle <roger@eyesopen.com>
7577 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7578 of XEXP to extract the operands of a MATCH_CODE rtx.
7580 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7582 * tree.c (tree_size): Do not waste tail padding in
7583 struct tree_string and make the size be the same as
7584 build_string will generate.
7586 2006-06-28 Jason Merrill <jason@redhat.com>
7589 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7590 may_aliases already in the tag's annotations to the bitmap.
7592 2006-06-28 Roger Sayle <roger@eyesopen.com>
7594 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7596 2006-06-28 Roger Sayle <roger@eyesopen.com>
7598 * genpreds.c (generate_switch_p): New function.
7599 (add_mode_tests): Push the new mode test down inside an AND expr
7600 if this allows the switch-suitable MATCH_CODE to be near the root.
7601 (write_match_code_switch): New function to write a MATCH_CODE as
7603 (write_predicate_stmts): New function to write a predicate RTX
7604 expression as a sequence of statements.
7605 (write_one_predicate_function): Use write_predicate_stmts.
7606 (write_tm_constrs_h): Likewise.
7608 2006-06-26 Fred Fish <fnf@specifix.com>
7610 * config/mips/t-sb1: New file.
7611 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7614 2006-06-26 DJ Delorie <dj@redhat.com>
7616 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7618 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7619 Jayant Sonar <jayants@kpitcummins.com>
7620 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7622 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7623 (subsi3, subsi3_1, subsi3_2): New.
7624 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7625 * config/m32c/mov.md (SI mov peephole): New.
7626 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7627 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7629 2006-06-26 Olivier Hainque <hainque@adacore.com>
7631 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7632 a CALL_EXPR target function declaration.
7634 2006-06-26 Richard Guenther <rguenther@suse.de>
7636 * tree.c (build_string): Do not waste tail padding in
7639 2006-06-26 Richard Guenther <rguenther@suse.de>
7641 * ggc-page.c (init_ggc): Add missing element to size_lookup
7645 2006-06-23 Richard Guenther <rguenther@suse.de>
7647 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7648 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7649 alignment requests instead. Add verification code.
7650 Add struct tree_function_decl and struct tree_binfo size to
7651 extra_order_size_table. Add missing element to size_lookup
7654 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7657 * fold-const.c (const_binop): Be prepared for self returning zero.
7658 Simplify code handling complex values.
7660 2006-06-24 Olivier Hainque <hainque@adacore.com>
7662 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7663 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7666 2006-06-24 Olivier Hainque <hainque@adacore.com>
7668 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7669 ARRAY_REF, so have the callback called for the low bound expression.
7671 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7673 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7674 * c-typeck.c (c_common_type): Disallow operations on decimal float
7675 types and other float types.
7676 * convert.c (convert_to_real): Don't ignore conversions involving
7677 decimal float types.
7679 2006-06-23 Olivier Hainque <hainque@adacore.com>
7681 * tree.c (max_int_size_in_bytes): New function, inspired from
7682 code in function.c:assign_temp.
7683 * tree.h (max_int_size_in_bytes): Declare.
7684 * function.c (assign_temp): Use it.
7685 * gimplify.c (create_tmp_var): Relax the assertions on the type
7686 properties, not mandating constant size any more.
7687 (force_constant_size): New static function.
7688 (gimple_add_tmp_var): Use it, forcing variable size to a
7689 constant upper bound if it is not constant on entry.
7691 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7694 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7695 for initialization and setting of one_only flag to ...
7696 (i386_pe_encode_section_info): ...here.
7697 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7698 Recheck that the symbol has not been defined.
7700 2006-06-23 Richard Guenther <rguenther@suse.de>
7702 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7703 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7704 alignment requests instead. Add verification code.
7705 Add struct tree_function_decl and struct tree_binfo size to
7706 extra_order_size_table. Add missing element to size_lookup
7709 2006-06-22 Roger Sayle <roger@eyesopen.com>
7710 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7713 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7714 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7716 2006-06-23 Ben Elliston <bje@au.ibm.com>
7718 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7719 negate dn -- manipulate it directly.
7721 2006-06-22 Roger Sayle <roger@eyesopen.com>
7722 Steven Bosscher <stevenb.gcc@gmail.com>
7725 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7726 generated by gen_move_insn to add REG_LABEL notes if necessary.
7728 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7730 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7731 (leaf_entry): Remove use of MIN_ESA.
7733 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7735 PR rtl-optimization/28121
7736 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7739 2006-06-21 DJ Delorie <dj@redhat.com>
7741 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7743 (mulhisi3_r): Likewise.
7745 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7748 * coverage.c (coverage_counter_alloc): Leave the index type
7750 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7753 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7755 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7756 section from the "Options for Code Generation Conventions".
7758 2006-06-21 Richard Henderson <rth@redhat.com>
7762 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7764 (global_symbolic_operand): Allow weak symbols, even if local_p.
7766 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7768 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7769 (find_interesting_uses_address): Punt if above function returns true.
7771 2006-06-21 Richard Guenther <rguenther@suse.de>
7773 * configure: Regenerated.
7775 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7777 * config/mips/mips.c (function_arg): Where one part of a
7778 complex argument is in registers and the other part in the stack,
7779 return a REG not a PARALLEL.
7781 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7783 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7784 when cross-compiling. Do not substitute libstdcxx_incdir.
7785 * configure: Regenerated.
7787 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7789 * varasm.c (mergeable_string_section): Check for embedded NULs and
7790 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7791 rather than TREE_STRING_LENGTH bytes.
7793 2006-06-21 Richard Guenther <rguenther@suse.de>
7795 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7796 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7799 2006-06-21 Richrad Guenther <rguenther@suse.de>
7801 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7802 Limit iteration over the dominators.
7804 2006-06-20 Roger Sayle <roger@eyesopen.com>
7806 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7807 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7809 2006-06-20 Richard Guenther <rguenther@suse.de>
7810 Michael Matz <matz@suse.de>
7812 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7814 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7815 * et-forest.h (et_free_pools): Prototype new function.
7816 * et-forest.c (et_free_tree_force): Free parent occurrence.
7817 (et_free_pools): New function.
7818 * dominance.c (free_dominance_info): Free et-forest alloc
7821 2006-06-20 Roger Sayle <roger@eyesopen.com>
7823 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7824 integer modes, attempt to directly construct an integer constant.
7826 * fold-const.c (native_encode_vector): Determine the size of each
7827 element from the vector type instead of the first vector element.
7829 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7830 if all of its elements/components are constant.
7831 (build_constructor_from_list): Likewise.
7833 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7835 PR tree-optimization/27331
7836 * tree-data-ref.c (free_data_ref): New function.
7837 (create_data_ref): Fail if the data reference has unknown access
7839 (free_data_refs): Use free_data_ref.
7841 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7844 * tree-inline.c (setup_one_parameter): Strip useless
7845 type conversion before adding it to the IR.
7846 (declare_return_variable): Likewise.
7848 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7851 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7853 2006-06-19 Mike Stump <mrs@apple.com>
7855 * tree.c (variably_modified_type_p): VM arguments don't make the
7858 2006-06-19 Richard Guenther <rguenther@suse.de>
7860 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7861 type conversions after folding.
7863 2006-06-19 Richard Guenther <rguenther@suse.de>
7865 * ggc-page.c (extra_order_size_tab): Add entries with
7866 size of struct function and basic_block.
7867 (size_lookup): Extend to cover sizes up to 511.
7868 (ggc_alloc_stat): Adjust user.
7869 (ggc_pch_count_object): Likewise.
7870 (ggc_pch_alloc_object): Likewise.
7871 (ggc_pch_write_object): Likewise.
7873 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7875 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7876 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7879 2006-06-19 Denis Chertykov <denisc@overta.ru>
7881 * config/avr/libgcc.S : Correct my wrong previous commit.
7883 2006-06-19 Roger Sayle <roger@eyesopen.com>
7886 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7887 have stripped a SUBREG from the shift count, so we may need to
7888 convert_to_mode back to the type's mode before calling make_tree.
7889 Use new_amount instead of amount to avoid expanding a tree twice.
7891 2006-06-19 Richard Guenther <rguenther@suse.de>
7894 * fold-const.c (operand_equal_p): Check if the argument types
7895 have the same precision before stripping NOPs.
7897 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7899 Fix PR tree-optimization/27341
7900 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7902 * tree-complex.c (pass_lower_complex): Update SMT usage.
7904 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7906 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7907 Add a new alternative to the constraint strings. Add move of
7908 operand 1 to 3 to the splitter definition.
7909 ("doloop_si_long"): Second contraint alternative removed.
7911 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7913 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7914 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7916 (AVR_HAVE_MOVW) Define.
7917 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7918 (ASM_SPEC): Add avr25.
7919 (LINK_SPEC): Add avr25.
7920 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7921 (base_arch_s): Add new member 'have_movw_lpmx'.
7922 (avr_arch_types): Init 'have_movw_lpmx'.
7923 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7924 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7925 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7926 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7927 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7929 (avr_file_start): Do not output '.arh' derective.
7930 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7931 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7932 * config/avr/avr.md (mcu_enhanced): Delete.
7933 (mcu_have_movw): Define.
7934 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7935 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7936 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7937 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7938 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7939 attiny861 and at86rf401 devices.
7941 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7943 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7946 2006-06-17 Karl Berry <karl@gnu.org>
7948 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7949 doc/gccint.texi, doc/install.texi (@dircategory): Use
7950 "Software development" instead of "Programming", following
7951 the Free Software Directory.
7953 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7955 * config/i386/i386.c (legitimate_tls_address)
7956 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7957 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7958 (*tls_dynamic_gnu2_combine_64): Likewise.
7960 2006-06-16 Richard Guenther <rguenther@suse.de>
7963 * fold-const.c (negate_expr_p): Do not introduce undefined
7964 overflow in negating INTEGER_CSTs.
7965 (fold_negate_expr): Rename from negate_expr. Revert last
7966 change for folding BIT_NOT_EXPR. Change semantics to
7967 return NULL_TREE for non-simplified negations. Do not
7968 strip type conversions and unify type handling.
7969 (negate_expr): New function, wrap around fold_negate_expr
7970 but ensure building a tree always. Strip type conversions
7971 here, fold to result type.
7972 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7974 2006-06-16 Roger Sayle <roger@eyesopen.com>
7977 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7978 that (would) return their results in stack registers.
7980 2006-06-16 Michael Matz <matz@suse.de>
7981 Richard Guenther <rguenther@suse.de>
7983 * fold-const.c (fold_truthop): Only return new tree node if
7984 we canonicalized something.
7986 2006-06-16 Richard Guenther <rguenther@suse.de>
7988 * function.h (enum function_frequency): Move declaration
7989 out of struct function.
7990 (struct function): Move bool fields and the enum to the bitfield
7991 section. Reorder elements to avoid padding. Remove unused
7992 fields left over from the RTL inliner removal.
7993 * function.c (free_after_compilation): Do not zero removed fields.
7994 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7995 (ipa-type-escape.o): Likewise.
7997 2006-06-16 Richard Guenther <rguenther@suse.de>
7999 * cgraph.h (struct cgraph_local_info): Turn bool elements
8001 (struct cgraph_node): Likewise.
8002 (struct cgraph_varpool_node): Likewise.
8004 2006-06-15 Richard Guenther <rguenther@suse.de>
8006 * fold-const.c (fold_truth_not_expr): Rename from
8007 invert_truthvalue. Give it fold_* semantics to avoid
8009 (invert_truthvalue): New function. Wrapper around
8010 fold_truth_not_expr.
8011 (optimize_minmax_comparison): Avoid creating garbage.
8012 (fold_unary): Use fold_truth_not_expr for folding
8014 (fold_ternary): Replace uses of invert_truthvalue with
8015 fold_truth_not_expr where applicable.
8016 * tree.h (fold_truth_not_expr): Prototype.
8018 2006-06-16 Richard Guenther <rguenther@suse.de>
8020 PR tree-optimization/27781
8021 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8022 * ipa-pure-const.c (target.h): Include.
8023 (analyze_function): Do not analyze functions that do not
8026 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8029 * tree-dfa.c (referenced_vars_dup_list): Remove.
8030 (find_referenced_vars): Remove assert.
8031 (referenced_var_check_and_insert): Replace dup list with assert.
8032 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8033 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8035 2006-06-15 Richard Guenther <rguenther@suse.de>
8037 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8038 extra unused identifiers if not dumping.
8039 (create_variable_info_for): Likewise.
8041 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8043 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8044 (derive_constant_upper_bound): Derive more precise upper bound in
8045 common cases. Return type changed to double_int.
8046 (record_estimate): Reflect the changed return type of
8047 derive_constant_upper_bound.
8048 * double-int.c (double_int_zext, double_int_sext): Fix.
8050 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8052 * configure.ac (CFLAGS): Get them from the toplevel or from the
8053 configure invocation.
8054 * configure: Regenerate.
8055 * Makefile.in (CFLAGS): Substitute value provided by configure.
8057 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8060 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8061 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8062 rather than calling add_stmt on it.
8063 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8065 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8068 * reload1.c (reload): Remove registers returned by update_eliminables
8069 from used_spill_regs.
8071 2006-06-13 DJ Delorie <dj@redhat.com>
8073 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8075 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8077 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8078 html__strip_dir, html__mkdir_p. Enhance install-html target.
8079 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8080 * configure: Regenerate.
8082 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8084 * fold-const.c (fold_cond_expr_with_comparison): Check for
8085 Objective-C++ as language in deciding COND_EXPR transformation.
8087 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8090 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8091 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8092 * config/sh/lib1funcs.h (SL, SL1): Define.
8093 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8094 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8095 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8096 (OBJS_Os_4_200): New variable.
8097 ($(T)libgcc-Os-4-200.a): Use it.
8098 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8099 when dividing 1 and/or by 0.
8101 2006-06-13 Roger Sayle <roger@eyesopen.com>
8103 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8104 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8105 * configure: Regenerate.
8107 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8109 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8110 for real instruction.
8112 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8115 * haifa-sched.c (check_cfg): Handle special case.
8117 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8120 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8121 Add debug_info parameter. Chain the vars to the BLOCK instead
8122 of the BIND_EXPR if debug info are requested for them.
8123 (pop_gimplify_context): Adjust for above change.
8124 (gimple_add_tmp_var): Likewise.
8125 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8127 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8128 (convert_local_reference): Likewise.
8129 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8130 (finalize_nesting_tree_1): Request that debug info be emitted
8131 for debug_var_chain.
8133 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8135 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8136 for PR target/27863.
8138 2006-06-13 Richard Guenther <rguenther@suse.de>
8141 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8143 2006-06-13 Richard Guenther <rguenther@suse.de>
8145 PR tree-optimization/27830
8146 * tree-inline.c (copy_body_r): For copying the operand
8147 of an ADDR_EXPR make sure to fold &* afterwards.
8149 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8151 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8152 lvalues in the fb_none case with side-effects.
8154 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8156 * tree-flow.h: Remove the prototype for
8157 compute_phi_arg_on_exit.
8158 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8159 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8162 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8164 * builtins.c (expand_builtin_return_addr): Only use
8165 frame_pointer_rtx when count == 0 and we are expanding
8166 __builtin_return_address.
8168 2006-06-12 Fred Fish <fnf@specifix.com>
8170 * config/mips/mips.c (mips_file_start): Create special section
8171 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8173 2006-06-11 Eric Christopher <echristo@apple.com>
8176 * stor-layout.c (place_field): Remove check for
8177 remaining_in_alignment when aligning at the end of a run.
8179 2006-06-11 Eric Christopher <echristo@apple.com>
8182 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8185 2006-06-11 Roger Sayle <roger@eyesopen.com>
8188 Revert incorrect fix for PR target/27158
8189 2006-05-08 Roger Sayle <roger@eyesopen.com>
8190 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8191 of a reg_equiv_constant if the result is a legitimate constant.
8193 2006-06-11 Roger Sayle <roger@eyesopen.com>
8196 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8197 extract a CONST_VECTOR element and interpret it as an integer.
8198 (vspltis_constant): Use const_vector_elt_as_int instead of the
8199 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8200 * config/rs6000/predicates.md (easy_vector_const): Consider
8201 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8203 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8206 * stor-layout.c (update_alignment_for_field): Don't add extra
8207 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8210 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8212 * config/mips/t-rtems: Add EL/EB multilib variants.
8214 2006-06-09 Mike Stump <mrs@apple.com>
8216 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8218 2006-06-09 David Daney <ddaney@avtrex.com>
8220 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8222 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8224 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8226 2006-06-09 Richard Guenther <rguenther@suse.de>
8228 PR tree-optimization/26998
8229 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8230 of signed types, only TYPE_MIN_VALUE is special, but for both,
8231 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8232 in this case, as is -fwrapv.
8234 2006-06-08 Mike Stump <mrs@apple.com>
8237 * config/darwin.c (darwin_asm_output_anchor): Disable
8238 -fsection-anchors on darwin for now.
8239 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8240 * rs6000/rs6000.c (optimization_options): Likewise.
8242 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8245 * config/i386/i386.c (classify_argument): Skip fields with invalid
8248 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8250 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8251 (cse_insn): Likewise for the stack_pointer_rtx.
8253 2006-06-08 Roger Sayle <roger@eyesopen.com>
8255 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8256 conditions from floating point comparisons.
8258 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8261 * expmed.c (struct alg_hash_entry): Fix type of field T
8262 to match synth_mult argument.
8263 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8265 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8268 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8271 2006-06-08 Richard Guenther <rguenther@suse.de>
8274 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8275 only, if overflow is defined and not trapping.
8276 (negate_expr): Likewise.
8278 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8280 PR tree-optimization/27872
8281 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8282 flag on the new exit edge of the unrolled loop.
8284 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8286 PR rtl-optimization/26449
8287 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8289 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8292 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8293 referenced_variables with matching DECL_UID's.
8294 (find_referenced_vars): Make sure duplicate list is empty to start.
8295 (referenced_var_p): Remove.
8296 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8297 Check if var is in the list, and add if needed. Update the duplicate
8298 list if a different var is in the list with the same DECL_UID.
8299 (add_referenced_var): Call routine to check and insert.
8300 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8301 * tree-flow.h (referenced_vars_dup_list): External declaration.
8303 2006-06-07 Fred Fish <fnf@specifix.com>
8305 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8308 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8311 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8312 the imaginary and real parts of a clobbered register.
8313 Emit insn to set the imaginary part.
8315 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8317 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8318 in lieu of unwind-dw2-fde.c.
8320 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8322 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8324 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8327 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8328 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8329 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8330 V4SImode temporaries and operations instead.
8332 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8334 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8337 2006-06-06 Mike Stump <mrs@apple.com>
8339 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8340 installing during build.
8342 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8344 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8346 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8347 * config/ia64/ia64.c (params.h): New header.
8348 (ia64_optimization_options): New function to adjust parameters.
8349 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8350 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8351 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8353 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8355 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8357 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8360 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8362 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8363 Victor Kaplansky <victork@il.ibm.com>
8365 PR tree-optimization/26360
8366 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8369 2006-06-04 Roger Sayle <roger@eyesopen.com>
8370 Andrew Pinski <pinskia@physics.uc.edu>
8373 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8374 for LABEL_DECL before calling DECL_WEAK.
8377 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8378 LABEL_DECL and PARM_DECL.
8380 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8384 * c-decl.c (grokdeclarator): Disallow variably modified types at
8385 file scope. Avoid marking shared array type of constant size as
8388 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8391 * c-common.c (fold_offsetof_1): Handle static members.
8393 2006-06-04 Eric Christopher <echristo@apple.com>
8395 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8396 (debug_rli): Output value for remaining_in_alignment.
8397 (update_alignment_for_field): Unconditionalize
8398 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8399 extra alignment code.
8400 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8401 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8402 * tree.h (record_layout_info_s): Remove prev_packed.
8403 * doc/extend.texi (ms_struct): Add documentation of format.
8405 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8407 * tree.h: Declare folding_initializer.
8408 * builtins.c (fold_builtin_constant_p): Give definite answer
8409 if folding inside an initializer.
8410 * fold-const.c: Define folding_initializer.
8411 (START_FOLD_INIT): Save and then set folding_initializer.
8412 (END_FOLD_INIT): Restore folding_initializer.
8414 2006-06-04 Richard Guenther <rguenther@suse.de>
8416 PR tree-optimization/27039
8417 * fold-const.c (fold_comparison): Handle pointer comparison
8418 again for all comparison codes. Compare offsets in signed
8420 (fold_binary): Move code from here.
8422 2006-06-03 Roger Sayle <roger@eyesopen.com>
8425 * config/i386/i386.c (construct_container): Split static issued_error
8426 flag into issued_sse_arg_error, issued_sse_ret_error and
8427 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8428 requires the use of x87 registers and the user explicitly
8429 specified the -mno-80387 command line option.
8431 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8433 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8434 HAVE_DECL_SIGALTSTACK.
8436 (segv_handler): Use MC_FLD.
8437 * configure.ac: Check for a sigaltstack declaration.
8438 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8439 * configure: Regenerate.
8440 * config.in: Regenerate.
8442 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8445 * Makefile.in (stmp-fixinc): Fix typo.
8447 2006-06-02 Roger Sayle <roger@eyesopen.com>
8449 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8450 are type correct. Clean-up.
8451 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8452 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8454 2006-06-01 DJ Delorie <dj@redhat.com>
8456 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8457 shift, as we've disabled the "switch" insn that needs it.
8459 2006-06-01 Per Bothner <bothner@bothner.com>
8461 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8462 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8463 * c-ppoutput.c (cb_define): Don't increment line 0.
8465 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8467 * doc/invoke.texi: Add cpu_type power6.
8468 * config.gcc: Add cpu_type power6.
8469 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8470 to power5+ with Altivec.
8471 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8472 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8474 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8476 * config/avr/avr.h (SET_ASM_OP): Define.
8478 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8480 * config/bfin/bfin.c: Fix comment typos.
8482 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8485 * doc/install.texi: Document --enable-bootstrap and
8486 --disable-bootstrap.
8488 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8490 * doc/install.texi: Document that InfoZIP can replace jar.
8492 2006-05-31 Roger Sayle <roger@eyesopen.com>
8494 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8495 isn't available, directly generate the simpler x87 patterns without
8496 the (use (const_int 0)).
8497 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8498 implementation isn't available.
8499 (*negdf2_1): Likewise.
8500 (*negxf2_1): XF mode negation is always done using the x87.
8501 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8503 2006-05-31 Roger Sayle <roger@eyesopen.com>
8505 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8506 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8508 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8510 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8512 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8513 * config/bfin/bfin.c (basic-block.h): Include.
8514 (struct machine_function): New.
8515 (bfin_init_machine_status): New.
8516 (override_options): Initialize init_machine_status.
8517 (bfin_hardware_loop): New.
8518 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8519 (DEF_VEC_P (loop_info)): New.
8520 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8521 (struct loop_info): New.
8522 (loop_info): New typedef.
8523 (struct loop_work): New.
8524 (loop_work): New typedef.
8525 (DEF_VEC_O (loop_work)): New.
8526 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8527 (bfin_dump_loops): New.
8528 (bfin_bb_in_loop): New.
8529 (bfin_scan_loop): New.
8530 (bfin_optimize_loop): New.
8531 (bfin_reorg_loops): New.
8532 (bfin_reorg): Use bfin_reorg_loops.
8533 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8535 (I_REGNO_P): Simplify.
8536 (DP_REGNO_P, DPREG_P): New macros.
8537 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8538 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8539 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8540 Add LT_REGS, LC_REGS, LB_REGS.
8541 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8543 (REGNO_REG_CLASS): Deal with loop registers.
8544 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8546 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8547 New constants for loop registers.
8548 (UNSPEC_LSETUP_END): New.
8549 (seq_insns): New define_attr. Set it for appropriate insns.
8550 (movsi_insn): Add alternatives for move from/to
8551 loop count registers.
8552 (doloop_end): New define_expand.
8553 (loop_end): New define_insn.
8554 (define_split for bad doloop_end): New.
8555 (lsetup_with_autoinit): New define_insn.
8556 (lsetup_without_autoinit): New define_insn.
8557 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8558 * config/bfin/predicates.md (lc_register_operand): New.
8559 (lt_register_operand): New.
8560 (lb_register_operand): New.
8561 (nondp_register_operand): New.
8562 (nondp_reg_or_memory_operand): New.
8563 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8565 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8567 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8568 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8570 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8572 * Makefile.in (CATALOGS): Add po/ prefix.
8573 * configure: Regenerated.
8575 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8578 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8579 a shift operand before calling shift_op. Avoid redundant call of
8582 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8583 DJ Delorie <dj@redhat.com>
8585 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8586 we're inserting is a singlt-bit constant.
8588 2006-05-30 Roger Sayle <roger@eyesopen.com>
8590 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8591 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8593 2006-05-30 Roger Sayle <roger@eyesopen.com>
8595 PR tree-optimization/23452
8596 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8597 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8598 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8599 complex values and with -ffast-math for FP complex values.
8601 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8603 * c-common.h: Remove the prototype for yyparse.
8604 * rtl.h: Remove the prototype for init_loop.
8606 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8608 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8611 2006-05-30 Roger Sayle <roger@eyesopen.com>
8613 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8615 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8616 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8618 2006-05-30 Dirk Mueller <dmueller@suse.de>
8621 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8622 for CONSTANT_CLASS_P expresisons.
8624 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8627 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8629 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8631 PR tree-optimization/27779
8632 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8633 initial_condition instead of CHREC_LEFT.
8635 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8637 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8638 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8639 Make prototypes ISO C90.
8641 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8642 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8644 * see.c (see_analyze_one_def): Correct check.
8645 (see_get_extension_data): Check if extension is parallel.
8646 (see_get_extension_reg): Likewise.
8648 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8651 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8652 into register for (code == GTU).
8654 2006-05-29 Roger Sayle <roger@eyesopen.com>
8656 PR tree-optimization/24964
8657 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8658 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8659 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8660 abs(x)*abs(x) as x*x for scalar floating point modes.
8662 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8665 * lambda-code.c (perfect_nestify): Don't copy statements
8666 in the inner loop: move them to the inner loop header.
8668 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8671 * c-tree.texi: Document OpenMP directives and clauses.
8673 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8675 * varasm.c (globalize_decl): Fix indentation.
8677 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8680 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8681 pass_fre, pass_store_ccp, pass_copy_prop,
8682 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8683 pass_return_slot, pass_object_size, pass_lim,
8684 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8685 pass_loop_prefetch and pass_stdarg.
8687 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8689 * config/bfin/bfin.opt (mfdpic): New option.
8690 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8691 (EXTRA_MULTILIB_PARTS): Likewise.
8692 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8693 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8695 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8696 (CRT_CALL_STATIC_FUNCTION): New.
8697 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8699 (CRT_CALL_STATIC_FUNCTION): New.
8700 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8702 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8703 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8704 (initialize_trampoline): Changed to handle FD-PIC code generation.
8705 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8706 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8707 (override_options): Disallow -mid-shared-library -mfdpic combination.
8708 Can't do unaligned ops if FD-PIC.
8709 Turn off flag_pic if trying to generate non-id-shared-library
8710 non-fdpic code, since it's not supported.
8711 (bfin_assemble_integer): New function.
8712 (TARGET_ASM_INTEGER): Define.
8713 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8715 * config/bfin/crtn.s: Restore them.
8716 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8718 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8719 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8720 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8721 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8722 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8724 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8725 FDPIC_REGS and FDPIC_FPTR_REGS.
8726 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8727 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8728 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8729 (load_funcdescsi): New pattern.
8730 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8731 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8732 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8734 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8736 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8739 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8741 * tree-flow.h: Remove the prototype for add_type_alias.
8742 * tree-ssa-alias.c (add_type_alias): Remove.
8744 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8746 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8747 config/fr30/fr30.md, config/i386/i386-interix.h,
8748 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8749 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8750 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8751 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8752 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8753 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8754 Follow spelling conventions.
8755 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8756 Follow spelling conventions.
8758 2006-05-27 Richard Guenther <rguenther@suse.de>
8761 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8762 to produce a constant of value 1 of generic type.
8764 2006-05-27 Dirk Mueller <dmueller@suse.de>
8766 * cgraphunit.c (decide_is_function_needed): Fix wrong
8769 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8771 PR rtl-optimization/27661
8772 * reload.c (find_reloads): When reloading a VOIDmode constant
8773 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8774 use Pmode as mode of the reload register.
8776 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8778 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8779 is enabled at -O and above.
8781 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8784 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8787 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8790 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8791 for anonymous variables explicitly declared by front ends.
8793 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8795 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8796 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8797 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8798 ref-all pointers, run a finalization pass for them.
8799 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8800 (finalize_ref_all_pointers): New function.
8801 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8802 regular pointer type to a ref-all pointer type.
8803 (get_tmt_for): Return the special memory tag for ref-all pointers.
8805 2006-05-25 Richard Guenther <rguenther@suse.de>
8808 * fold-const.c (fold_binary): Do not look at the stripped
8809 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8811 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8813 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8814 for LT and GT if the computed range is effectively empty.
8816 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8819 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8820 mips_quad_format formats instead of ieee_single_format,
8821 ieee_double_format and ieee_quad_format formats, respectively.
8823 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8825 PR tree-optimization/27639
8826 PR tree-optimization/26719
8827 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8828 call to scev_probably_wraps_p.
8829 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8830 used_in_pointer_arithmetic_p, convert_step): Removed.
8831 (nowrap_type_p): New function.
8832 (scev_probably_wraps_p): Rewritten.
8833 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8834 chrec_convert if chrec_convert_aggressive might have been used.
8835 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8836 scev_direction): New functions.
8837 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8838 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8839 instead of convert_step.
8840 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8841 (convert_step): Declaration removed.
8842 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8844 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8846 * df-core.c: Added to header comments.
8847 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8848 df_ur_bb_info, df_urec_bb_info): Added comments.
8849 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8850 urec, ri problems): Fixed header comments.
8851 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8852 code from df_rd_transfer_function.
8854 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8856 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8857 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8858 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8860 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8862 * expr.c (undefined_operand_subword_p): New.
8863 (emit_move_multi_word): Do not generate move from undefined bits
8864 of a paradoxical subreg.
8866 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8868 PR rtl-optimization/27736
8869 * combine.c (replaced_rhs_value): New variable.
8870 (combine_instructions): Set it.
8871 (distribute_notes): When distributing a note in replaced_rhs_insn,
8872 check whether the value was used in replaced_rhs_value.
8874 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8877 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8878 add_referenced_var instead of add_referenced_tmp_var.
8879 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8880 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8882 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8883 tree_optimize_tail_calls_1): Use add_referenced_var.
8884 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8885 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8886 Use add_referenced_var.
8887 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8888 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8889 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8890 Use add_referenced_var.
8891 * tree-dfa.c (struct walk_state): Remove.
8892 (find_referenced_vars): Remove walk state and vars_found hash table.
8893 (make_rename_temp): Use add_referenced_var.
8894 (find_vars_r): Pass less parameters to add_referenced_var.
8895 (referenced_var_p): New. Is var in referenced_var hash table.
8896 (referenced_var_insert): Assert var isn't already in hash table.
8897 (add_referenced_var): Don't need walk_state parameter. Add var if it
8898 isn't already in the hash table.
8899 (add_referenced_tmp_var): Remove.
8900 (find_new_referenced_vars_1): Use add_referenced_var.
8901 * tree-ssa-pre.c (create_expression_by_pieces,
8902 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8903 Use add_referenced_var.
8904 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8905 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8906 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8908 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8909 vect_create_data_ref_ptr, vect_create_destination_var,
8910 vect_init_vector, vect_build_loop_niters,
8911 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8912 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8913 Use add_referenced_var.
8914 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8915 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8916 (add_referenced_var): Add prototype.
8917 * tree-ssa-structalias.c (get_constraint_for,
8918 intra_create_variable_infos): Use add_referenced_var.
8920 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8922 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8923 big-endian paradoxical subregs.
8924 * var-tracking.c (struct micro_operation_def): Document that,
8925 for modify micro operations, insn is the subsequent instruction.
8926 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8927 (var_reg_set, var_mem_set): ... new functions.
8928 (add_stores): Record subsequent insn.
8929 (compute_bb_dataflow): Use new functions for MO_USE.
8930 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8931 notes after the insn, and modify notes before the insn known
8932 to be the subsequent one.
8933 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8935 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8938 * config/i386/i386.c (ix86_expand_builtin): Use
8939 gen_sse3_monitor64 for TARGET_64BIT.
8941 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8943 PR rtl-optimization/26375
8944 PR rtl-optimization/26855
8945 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8947 (df_ru_bb_local_compute): Reversed statements and removed bogus
8948 comment explaining why they should be in wrong order.
8949 (df_ru_dump, df_rd_dump): Enhanced debug info.
8950 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8952 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8953 reaching uses and fixed space problem.
8955 2006-05-23 Jan Hubicka <jh@suse.cz>
8957 * cgraphunit.c (decide_is_function_needed): Also nested functions
8958 and functions declared inline can be optimized out at -O0.
8960 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8962 * doc/install.texi (Configuration): Remove reference to CrossGCC
8966 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8969 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8970 ix86_compare_emitted is non-NULL.
8972 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8975 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8978 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8980 PR rtl-optimization/25514
8981 * combine.c (replaced_rhs_insn): New variable.
8982 (combine_instructions): Set replaced_rhs_insn when trying to replace
8983 a SET_SRC with a REG_EQUAL note.
8984 (distribute_notes): Use replaced_rhs_insn when determining the live
8985 range of a REG_DEAD register.
8987 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8988 Anatoly Sokolov <aesok@post.ru>
8990 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8991 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8992 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8993 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8994 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8995 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8996 at90usb647, at90usb1286 and at90usb1287 devices.
8997 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8998 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9000 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9002 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9004 2006-05-22 Richard Guenther <rguenther@suse.de>
9007 2006-01-31 Richard Guenther <rguenther@suse.de>
9008 Paolo Bonzini <bonzini@gnu.org>
9010 * doc/install.texi (--disable-libgcc-math): Document.
9012 2006-05-22 Richard Guenther <rguenther@suse.de>
9015 2006-01-31 Richard Guenther <rguenther@suse.de>
9017 * doc/invoke.texi (-msselibm): Document.
9018 * target.h (expand_library_builtin): New target hook.
9019 * builtins.c (expand_builtin): Use expand_library_builtin.
9020 (default_expand_library_builtin): New function.
9021 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9022 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9023 (link_gcc_math_spec): Declare.
9024 (static_specs): Add link_gcc_math_spec.
9025 * expr.h (default_expand_library_builtin): Declare.
9026 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9027 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9028 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9029 * config/i386/i386.opt (msselibm): New target option.
9030 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9031 (ix86_init_sse_abi_builtins): New function.
9032 (ix86_expand_library_builtin): Likewise.
9033 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9034 (override_options): Handle error conditions wrt -msselibm.
9035 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9036 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9037 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9040 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9043 * c-common.c (self_promoting_args_p): Skip erroneous args.
9046 * c-decl.c (finish_struct): Skip erroneous fields.
9048 2006-05-22 Nick Clifton <nickc@redhat.com>
9050 * config/cris/cris.opt (march): Remove VarExists attribute.
9051 (max-stackframe=): Likewise.
9053 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9055 * doc/rtl.texi: Fix a typo.
9056 * see.c: Fix comment typos.
9058 * tree-ssa-structalias.h (alias_info): Remove num_references.
9060 2006-05-21 Mike Stump <mrs@apple.com>
9062 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9064 (darwin_pragma_options): Use BAD instead.
9065 (darwin_pragma_unused): Likewise.
9066 (darwin_pragma_ms_struct): Likewise.
9068 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9070 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9072 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9074 PR rtl-optimization/27671
9075 * simplify-rtx.c (simplify_relational_operation_1): Fix
9076 simplifications of (eq/ne (xor x y) y) and
9077 (eq/ne (xor x y) x).
9079 PR tree-optimization/26622.
9080 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9083 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9085 * tree-cfg.c: Prune whitespace.
9086 (debug_tree_cfg): Point to correct header containing the
9089 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9092 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9094 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9097 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9098 or sorry count is non zero.
9100 2006-05-20 Andreas Schwab <schwab@suse.de>
9102 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9104 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9105 Kenneth Zadeck <zadeck@naturalbridge.com>
9107 PR rtl-optimization/26855
9109 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9111 (df_scan_alloc): Added code to properly handle multiword hard
9112 registers and add all_blocks parameter.
9113 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9114 code to properly handle multiword hard registers.
9115 (df_rescan_blocks): Added code to remove deleted blocks from
9117 (df_ref_create_structure, df_ref_record): Added code to properly
9119 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9120 and set DF_REF_PARTIAL.
9121 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9122 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9123 (df_scan_add_problem): Added flags parameter.
9124 (df_ref_create_structure): Changed switching structure.
9125 (df_bb_refs_record): Fixed case where duplicate artificial refs
9126 were created. Changed location of flags.
9127 (df_record_entry_block_defs): Added code to make stack pointer
9128 live in entry block. Refined cases where frame pointer is needed.
9129 Changed location of flags.
9130 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9131 (df_set_state): Removed function.
9132 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9133 df_insn_create_insn_record, df_insn_refs_delete,
9134 df_ref_create_structure): Formatting changes.
9135 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9136 df_delete_basic_block): New function.
9137 (df_init): Changed location of flags.
9138 (df_add_problem): Added flags parameter and the way flags are
9140 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9141 debug_df_chain): Improved debugging output.
9142 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9143 (df_refs_chain_dump): Removed df parameter.
9144 (df_iterative_dataflow): Added consistency check.
9145 (df_prune_to_subcfg): Made public.
9146 (df_analyze_problem): Added blocks_to_init parameter and made
9148 (df_ref_record, df_bb_refs_record, df_mark_reg,
9149 df_record_exit_block_uses): Whitespace changes.
9150 (df_dump): Whitespace changes.
9151 * df.h: Some reordering to remove forward references.
9152 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9153 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9154 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9155 (dataflow.flags): New field.
9156 (df.flag): Deleted field.
9157 (df_alloc_function): Added additional bitmap parameter.
9158 (df_dependent_problem_function): New type.
9159 (df_problem.changeable_flags): New field.
9160 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9161 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9162 (df_mw_hardreg): New struct.
9163 (DF_INSN_UID_MWS): New macro.
9164 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9166 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9167 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9168 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9169 (df_set_state): Removed function.
9170 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9171 * df-problems.c (df_chain_dump): Removed df parameter.
9172 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9173 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9175 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9176 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9177 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9178 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9179 DF_REF_MUST_CLOBBER cases.
9180 (df_ru_bb_local_compute_process_def,
9181 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9182 df_lr_bb_local_compute, df_ur_bb_local_compute,
9183 df_chain_create_bb): Made subreg aware.
9184 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9185 df_lr_bb_local_compute, df_lr_bb_local_compute,
9186 df_chain_create_bb): Cleanup to use proper macros.
9187 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9188 code to fixup bitvectors.
9189 (df_ri_alloc): Cleared lifetime.
9190 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9191 df_create_unused_note): New function.
9192 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9193 REG_DEAD and REG_UNUSED notes as well as register information.
9194 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9195 df_chains_dump): Fixed crash if problem was never run.
9196 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9197 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9198 df_ri_add_problem): Processes flags in uniform manner.
9199 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9200 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9201 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9202 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9203 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9204 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9205 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9206 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9207 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9208 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9209 * see.c (see_initialize_data): Ditto.
9210 * final.c (rest_of_clean_state) Added regstack_completed.
9211 * rtl.h (regstack_completed): Ditto.
9212 * reg-stack.c (regstack_completed): Ditto.
9214 2006-05-19 Mike Stump <mrs@apple.com>
9216 * c-tree.h (default_conversion): Remove.
9217 * c-common.h (default_conversion): Add.
9219 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9221 * tree-vrp.c (valid_value_p): New function.
9222 (adjust_range_with_scev): Fail if the value of bound is not
9225 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9227 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9228 (mips_fallback_frame_state): Use syscall numbers to determine
9229 the appropriate li instruction for the current ABI. Only use
9230 __NR_sigreturn for o32.
9232 2006-05-19 Nicolas Setton <setton@adacore.com>
9234 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9235 * langhooks.c (lhd_dwarf_name): New function.
9236 * langhooks-def.h (lhd_dwarf_name): Declare.
9237 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9238 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9240 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9242 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9244 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9245 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9246 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9247 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9248 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9249 determine the size of Wtype, etc.
9250 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9251 (swfloatfuncs): New variable.
9252 (dwfloatfuncs): Likewise.
9253 (lib2funcs): Remove floating-point conversion functions from
9254 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9255 the set of conversion routines needed. Allow entries to specify
9256 an object name, filename and word size. Update users accordingly.
9257 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9258 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9262 2006-02-08 Roger Sayle <roger@eyesopen.com>
9265 * config/fixtfdi.c: New libgcc source file.
9266 * config/fixunstfdi.c: New source file.
9267 * config/floatditf.c: New source file.
9268 * config/floatunditf.c: New souce file.
9269 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9270 files above instead of config/mips/_tilib.c.
9271 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9273 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9275 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9276 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9278 2006-05-18 Mike Stump <mrs@apple.com>
9280 Fix up vla, vm and [*] sematics.
9286 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9287 (c_vla_unspec_p): Add.
9288 (c_vla_type_p): Add.
9289 * c-decl.c (struct c_scope): Add had_vla_unspec.
9290 (build_array_declarator): Add support for [*].
9291 (grokdeclarator): Likewise.
9292 (grokparms): Likewise.
9293 (get_parm_info): Likewise.
9294 * c-objc-common.c (c_vla_unspec_p): Likewise.
9295 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9296 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9297 typeof when argument is a variably modified type not inside sizeof or alignof.
9298 (c_parser_direct_declarator_inner): Propagate errors.
9299 (c_parser_sizeof_expression): Add support for [*].
9300 (c_parser_parms_declarator): Initialize had_vla_unspec.
9301 (c_parser_parms_list_declarator): Likewise.
9302 * c-typeck.c (c_vla_type_p): Add.
9303 (composite_type): Add support for vla compositing.
9304 (comptypes_internal): Add support for vla compatibility.
9305 (c_expr_sizeof_expr): Evaluate vla arguments.
9306 * tree.c (variably_modified_type_p): Update comment for [*].
9308 2006-05-18 Michael Matz <matz@suse.de>
9311 * config.host: Make assignments to host_xmake_file cumulative.
9312 * config.host (*-darwin*): Test $host, not $target.
9314 2006-05-12 Stuart Hastings <stuart@apple.com>
9316 * config/i386/i386.opt (-mstackrealign): New flag.
9317 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9318 (ix86_handle_cconv_attribute): Emit error when
9319 force_align_arg_pointer attribute collides with too many regparms.
9320 (ix86_function_regparm): Limit regparms when used with
9321 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9322 Support stack-realigning prologue in non-main functions. Emit
9323 warning for nested functions under -mstackrealign, emit error for
9324 nested functions with force_align_arg_pointer attribute.
9325 * doc/extend.texi (force_align_arg_pointer): Document it.
9326 * doc/invoke.texi (-mstackrealign): Document it.
9328 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9330 PR rtl-optimization/27477
9331 * combine.c (try_combine): Don't split a parallel consisting
9332 of two sets into two individual sets if both sets reference
9335 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9337 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9338 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9340 * doc/options.texi (VarExists): Updated.
9342 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9344 * unwind-dw2.c: Add declarations for uw_update_context and
9346 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9347 detected, advance frame state and context once to skip over stub.
9349 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9353 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9354 Call rewrite_into_loop_closed_ssa only when something changed.
9355 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9356 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9357 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9358 Test for perfect_nest_p here. Fix formating.
9359 (replace_uses_equiv_to_x_with_y): Fix formating.
9360 (stmt_uses_op): Removed.
9361 (can_convert_to_perfect_nest): Removed loopivs parameter.
9362 Complete the test by checking the scalar dependences.
9363 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9366 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9369 From Dan Kegel <dank@kegel.com>:
9370 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9372 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9374 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9375 if the element type is variably modified without recursing.
9377 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9380 * tree-loop-linear.c (try_interchange_loops): Test for
9381 no data dependences.
9383 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9385 PR tree-optimization/27548
9386 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9387 range of ssa names that appear on abnormal edges.
9388 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9389 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9391 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9394 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9396 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9399 * tree.h (OMP_PARALLEL_COMBINED): Define.
9400 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9401 (new_omp_context): Add is_combined_parallel argument.
9402 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9403 new_omp_context caller.
9404 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9405 Adjust gimplify_scan_omp_clauses callers.
9406 (omp_is_private): Issue errors if iteration variable is firstprivate
9407 or reduction in the current context.
9408 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9409 on combined parallel workshare constructs.
9411 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9413 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9414 (gcc-options.o): New rule.
9416 * optc-gen.awk: Protect variables for gcc-options.o with
9417 #ifdef GCC_DRIVER/#endif.
9419 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9421 Fix PR tree-optimization/27373
9422 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9423 (forward_propagate_addr_expr): Update call.
9425 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9427 * doc/options.texi: Move the Negative option.
9429 2006-05-16 Richard Guenther <rguenther@suse.de>
9431 PR tree-optimization/22303
9432 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9434 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9435 ccp_fold did not simplify the statement.
9437 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9440 * Makefile.in (GCC_OBJS): New.
9441 (OBJS-common): Add opts-common.o.
9442 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9443 (cpp$(exeext)): Likewise.
9444 (gcc.o): Also depend on opts.h.
9445 (opts-common.o): New.
9447 * common.opt (gcoff): Add Negative(gdwarf-2).
9448 (gdwarf-2): Add Negative(gstabs).
9449 (gstabs): Add Negative(gstabs+).
9450 (gstabs+): Add Negative(gvms).
9451 (gvms): Add Negative(gxcoff).
9452 (gxcoff): Add Negative(gxcoff+).
9453 (gxcoff+): Add Negative(gcoff).
9454 * config/i386/i386.opt (m32): Add Negative(m64).
9455 (m64): Add Negative(m32).
9457 * doc/options.texi: Document the Negative option.
9459 * gcc.c: Include "opts.h".
9460 (main): Call prune_options after expandargv.
9462 * optc-gen.awk: Generate common declarations for all flag
9463 variables in options.c. Output the neg_index field.
9465 * opts.c (find_opt): Moved to ...
9466 * opts-common.c: Here. New file.
9468 * opts.h (cl_option): Add a neg_index field.
9470 (prune_options): Likewise.
9472 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9475 * omp-low.c (expand_omp_parallel): Don't assert
9476 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9477 instead search for it.
9480 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9483 2006-05-16 Andreas Schwab <schwab@suse.de>
9485 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9488 2006-05-15 Roger Sayle <roger@eyesopen.com>
9491 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9492 integer constants other than zero are only legitimate on TARGET_64BIT.
9493 <CONST_VECTOR> Only zero vectors are legitimate.
9494 (ix86_cannot_force_const_mem): Integral and vector constants can
9495 always be put in the constant pool.
9497 2006-05-16 DJ Delorie <dj@redhat.com>
9499 * crtstuff.c (__dso_handle): Set section from
9500 TARGET_LBIGCC_SDATA_SECTION if defined.
9501 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9502 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9504 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9507 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9510 2006-05-16 Ben Elliston <bje@au.ibm.com>
9512 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9514 2006-05-15 Per Bothner <per@bothner.com>
9516 * tree.c: (last_annotated_node): Use source_locus typedef.
9517 This permits bootstrapping with --enable-mapped-location.
9519 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9521 PR tree-optimization/26830
9522 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9523 (info_for_ssa_name, current_info_for_ssa_name_age,
9524 blocks_to_update): New variables.
9525 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9526 (clear_ssa_name_info, initialize_flags_in_bb,
9527 mark_block_for_update): New functions.
9528 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9529 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9530 prepare_def_site_for): Use mark_block_for_update.
9531 (mark_def_interesting): Assert that the processed block is marked in
9532 blocks_to_update. Do not take blocks argument.
9533 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9535 (rewrite_update_init_block, rewrite_update_stmt): Only process
9536 blocks with statements to rewrite.
9537 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9538 (update_ssa): Initialize and free blocks_to_update. Do not
9539 clear flags on statements. Do not use blocks bitmap.
9540 * tree.h (SSA_NAME_AUX): Removed.
9541 (struct tree_ssa_name): Removed aux field.
9542 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9544 2006-05-15 Richard Guenther <rguenther@suse.de>
9546 PR tree-optimization/27603
9547 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9548 Do computations in original type.
9550 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9552 * see.c: Code style changes such as redundant paranthesis,
9553 redundant intialization of local variables etc.
9554 (see_main): Declared now as static.
9555 * doc/invoke.texi: Update that -fsee is not enabled by
9558 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9560 * omp-low.c (check_omp_nesting_restrictions): New function.
9561 (scan_omp_1): Call it.
9564 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9565 construct, return *VAR.
9567 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9569 PR rtl-optimization/27406
9570 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9573 2006-05-14 Roger Sayle <roger@eyesopen.com>
9575 PR rtl-optimization/27538
9576 * combine.c (expand_compound_operation): Call gen_lowpart
9577 before calling simplify_shift_const.
9579 2006-05-14 Roger Sayle <roger@eyesopen.com>
9581 PR rtl-optimization/22563
9582 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9583 a fixed width bitfield, always force the intermediates into psuedos.
9585 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9588 * mkconfig.sh: Use operator = instead of == for test.
9590 2006-05-13 Nick Clifton <nickc@redhat.com>
9592 * dwarf2out.c (dbx_reg_number): Check return value from
9593 LEAF_REG_REMAP and only use it if it is valid.
9594 (multiple_reg_loc_descriptor): Likewise.
9596 2006-05-13 Richard Guenther <rguenther@suse.de>
9598 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9601 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9603 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9604 information attached to non-INSNs such as NOTEs.
9605 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9607 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9609 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9611 * config/s390/s390.md: Adjust comment describing On constraint.
9613 2006-05-11 Jan Hubicka <jh@suse.cz>
9615 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9616 to be output at -O0.
9618 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9621 * fold-const.c (size_binop): Move sanity check for arguments to
9622 the beginning of the function.
9625 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9628 2006-05-11 Richard Guenther <rguenther@suse.de>
9631 * fold-const.c (fold_unary): Handle intermediate conversion
9632 to a pointer type like intermediate conversion to an integer
9633 type in folding of (T1)(T2)var to var.
9634 Match the code to the comment in the final conversion for
9635 (T1)(T2)var to (T1)var regarding to type precision. Rather
9636 than disallow T1 being of pointer type, assert that both T1
9637 and var are of pointer type or not. Make sure not to fall
9638 over the frontends lazyness wrt array to pointer decay though.
9640 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9642 * arm.c (arm_struct_value_rtx): Delete.
9643 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9644 (arm_init_cumulative_args): Always initialize nregs to zero.
9646 2006-05-10 Richard Guenther <rguenther@suse.de>
9648 PR tree-optimization/27532
9649 * tree-object-size.c (plus_expr_object_size): Fix typo.
9651 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9654 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9655 ashrdi_const, ashrdi3): Use a scratch register.
9657 2006-05-10 Richard Guenther <rguenther@suse.de>
9659 PR tree-optimization/27302
9660 * fold-const.c (operand_equal_p): For two comparisons,
9661 try comparison of one comparison code swapped if that yields
9664 2006-05-10 Ben Elliston <bje@au.ibm.com>
9666 * tree-pretty-print.c (pretty_print_string): No need to handle
9667 '\0' as a special character.
9669 * tree.h: Include "hashtab.h".
9670 (iterative_hash_expr): Use hashval_t in its prototype.
9671 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9673 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9676 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9677 (hppa*64*-*-hpux11*): Ditto.
9678 (hppa[12]*-*-hpux11*): Ditto.
9680 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9683 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9685 2006-05-09 Michael Matz <matz@suse.de>
9687 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9688 host_extra_gcc_objs and host_xmake_file.
9689 (<*-*-linux*>): Don't overwrite host_xmake_file.
9690 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9691 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9692 (host_detect_local_cpu): Declare.
9693 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9694 * config/i386/i386.c (override_options): Handle -mtune=native
9696 * config/i386/x-i386: New file.
9697 * config/i386/driver-i386.c: New file.
9698 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9701 2006-05-09 Dirk Mueller <dmueller@suse.de>
9702 Richard Guenther <rguenther@suse.de>
9705 * fold-const.c (fold_read_from_constant_string): Relax check
9706 for matching types to matching modes.
9708 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9710 PR rtl-optimization/27335
9711 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9714 2006-05-08 Chao-ying Fu <fu@mips.com>
9715 Richard Sandiford <richard@codesourcery.com>
9717 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9718 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9719 * config/mips/mips.md (UNSPEC_SCC): New constant.
9720 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9721 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9722 (mips_emit_compare): Use it.
9723 (mips_expand_vcondv2sf): New function.
9725 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9727 Fix PR tree-optimization/27093
9728 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9729 renaming when they become not-used_alone.
9731 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9733 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9734 relocation and relocation stubs.
9736 2006-05-08 Eric Christopher <echristo@apple.com>
9738 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9741 2006-05-08 Jan Hubicka <jh@suse.cz>
9744 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9745 unused static functions are needed.
9747 2006-05-08 Roger Sayle <roger@eyesopen.com>
9750 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9751 of a reg_equiv_constant if the result is a legitimate constant.
9753 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9756 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9757 standard 80387 constants, raise the cost to prevent
9758 compress_float_constant() to generate load from memory.
9760 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9762 * config/arm/constraints.md (c): Fix a typo.
9764 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9767 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9770 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9772 (_mm_mwait): Likewise.
9774 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9776 (sse3_monitor): Make it 32bit only.
9777 (sse3_monitor64): New. 64bit monitor.
9779 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9782 * config/i386/i386.c (classify_argument): Skip fields with invalid
9785 2006-05-07 Richard Guenther <rguenther@suse.de>
9787 PR tree-optimization/27409
9788 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9789 Do not try to find zero-sized subvars.
9791 2006-05-07 Richard Guenther <rguenther@suse.de>
9793 PR tree-optimization/27136
9794 * tree-ssa-loop-niter.c (get_val_for): Correct function
9795 comment, assert requirements.
9796 (loop_niter_by_eval): Stop processing if the iterated
9797 value did not simplify.
9799 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9801 * opts.c (flag_see): remove its setting at -O3.
9803 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9805 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9806 * arm/constraints.md: New file.
9807 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9808 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9809 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9810 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9811 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9812 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9813 * arm.md: Include constraints.md.
9814 (thumb_movsi_insn): Use satisfies_constraint_J.
9815 (movhi, movqi): Use satisfies_constraint_I.
9817 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9819 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9820 for atmeg a645 device.
9822 2006-05-06 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/27151
9825 * tree-vect-transform.c (vectorizable_condition): Punt on
9826 values that have a different type than the condition.
9828 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9831 * c-parser.c (c_parser_cast_expression): Only insert casts into
9832 hash table if pointer.
9833 * function.c (used_types_insert_helper): Rename from
9835 (used_types_insert): Call used_types_insert_helper.
9836 * function.h (used_types_insert): Accept only one argument.
9838 2006-05-05 David Edelsohn <edesohn@gnu.org>
9840 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9841 scratch with output modifier.
9843 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9846 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9847 with output modifier.
9849 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9852 * config/mips/mips.c (mips_symbolic_address_p): Return true
9853 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9854 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9856 2006-05-04 Richard Guenther <rguenther@suse.de>
9858 PR tree-optimization/14287
9859 PR tree-optimization/14844
9860 PR tree-optimization/19792
9861 PR tree-optimization/21608
9862 PR tree-optimization/27090
9863 * tree-ssa-pre.c (try_combine_conversion): New function.
9864 (compute_avail): After constructing the value-handle
9865 expression, use try_combine_conversion to combine NOP_EXPRs
9866 with previous value-handle expressions and use the result if it
9869 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9871 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9873 2006-05-04 Jan Hubicka <jh@suse.cz>
9876 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9878 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9880 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9881 that this only matches CONST_INTs. All users changed to VOIDmode
9884 * config/bfin/bfin.c: Include "optabs.h".
9885 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9887 (enum bfin_builtins): Add a number of fractional and vector builtins.
9888 (bfin_init_builtins): Likewise.
9889 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9890 (safe_vector_operand, bfin_expand_binop_builtin,
9891 bfin_expand_unop_builtin): New functions.
9892 (bfin_expand_builtin): Handle the new builtins.
9893 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9896 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9899 * Makefile.in (OBJS-common): Add see.o.
9900 (see.o): Add dependencies.
9901 * common.opt (fsee): New flag for the see optimization was added.
9902 * opts.c (flag_see): Initialized.
9903 * passes.c (init_optimization_passes, pass_see): New pass.
9904 * rtl.h (see_main): Declaration as extern.
9905 * timevar.def (TV_SEE): New.
9906 * tree-pass.h (pass_see): Declaration as extern.
9907 * invoke.texi (-fsee): Document.
9908 * recog.c (validate_simplify_insn): New function.
9909 * recog.h (validate_simplify_insn): Declaration as extern.
9910 * df-problems.c (df_chain_dump): Check for NULL.
9912 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9913 Daniel Berlin <dberlin@dberlin.org>
9915 * cfgrtl.c (insert_insn_bb_end_new): New function.
9916 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9918 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9920 * df.h (struct web_entry): Moved from web.c.
9921 (union_defs): Declaration as extern.
9922 (unionfind_root): Likewise.
9923 (unionfind_union): Likewise.
9924 * web.c (struct web_entry): Moved to df.h.
9925 (unionfind_root): Remove static declaration.
9926 (unionfind_union): Likewise.
9927 (union_defs): Likewise and generalize to use callback function.
9928 (web_main): Update arguments for union_defs function call.
9930 2006-05-04 Richard Guenther <rguenther@suse.de>
9932 PR tree-optimization/26447
9933 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9934 produce SSA_NAME copies before the store stmt to avoid
9935 breaking exception handling.
9937 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9940 * gimplify.c (omp_is_private): If var is shared in some outer context,
9941 return false instead of true. Stop searching on parallel context
9944 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9947 * coverage.c: Use get_gcov_unsigned_t() instead of
9948 unsigned_type_node all over.
9950 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9952 PR tree-optimization/27381
9953 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9954 maintain the same immediate_use links.
9955 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9956 node rather than segfaulting.
9958 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9961 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9962 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9963 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9965 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9967 Fix PR tree-optimization/26626
9968 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9970 * tree-ssa-operands.c (access_can_touch_variable): Allow
9971 typecasting through union pointers.
9973 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9976 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9977 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9978 to find if var will be a global variable even in the nested context.
9979 (omp_copy_decl): Only check for global variable at the end, it might
9980 be overridden in outer contexts.
9981 (scan_sharing_clauses): For global variables don't create a field.
9982 (lower_rec_input_clauses): Do nothing for global shared variables.
9983 Emit a barrier at the end of ILIST if there were any decls in both
9984 firstprivate and lastprivate clauses.
9985 (lower_send_clauses): Do nothing for global variables except for
9988 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9990 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9991 of the correct signedness is returned.
9993 2006-05-02 Jeff Law <law@redhat.com>
9995 PR tree-optimization/27364
9996 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9997 multiply expressions.
9999 2006-05-02 Tom Tromey <tromey@redhat.com>
10001 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10003 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10006 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10007 -mthumb -fPIC are used.
10009 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10010 Joshua Kinard <kumba@gentoo.org>
10013 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10014 with 64-bit pointers.
10016 2006-05-02 Paul Brook <paul@codesourcery.com>
10018 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10020 (create_fix_barrier): Check that a suitable barrier location is
10022 (arm_reorg): Include ftmp->address in allowable range of addresses.
10024 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10027 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10030 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10032 PR middle-end/27337
10033 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10034 around RESULT_DECL for result passed by reference.
10035 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10036 * omp-low.c (use_pointer_for_field): Don't look at
10037 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10038 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10039 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10040 time or var for passing by reference for
10041 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10042 TREE_ADDRESSABLE variables when passing by reference.
10044 * omp-low.c (dump_omp_region): Fix output formatting.
10046 PR middle-end/27328
10047 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10048 (expand_omp_parallel): Likewise.
10049 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10051 PR middle-end/27325
10052 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10053 on statement list containing also constructors and destructors.
10054 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10056 PR middle-end/27310
10057 * except.c (duplicate_eh_regions): Fix clearing of
10058 cfun->eh->region_array entries.
10060 2006-05-01 DJ Delorie <dj@redhat.com>
10062 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10064 (gcc_cv_objdump): Likewise.
10065 * configure: Regenerated.
10067 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10070 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10071 templates for case 3 and 4.
10073 2006-05-01 DJ Delorie <dj@redhat.com>
10075 * vec.c: Include bconfig.h when appropriate.
10076 * Makefile.in (build/vec.o): Adjust dependencies.
10077 * mkconfig.sh: Make sure config.h isn't used for build machine
10080 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10082 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10084 (mark_phi_for_rewrite): New function.
10085 (insert_phi_nodes_for, mark_use_interesting): Call
10086 mark_phi_for_rewrite.
10087 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10088 (update_ssa): Initialize and free phis_to_rewrite.
10090 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10092 PR rtl-optimization/27291
10093 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10094 folded to a constant.
10096 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10098 PR tree-optimization/27283
10099 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10100 not whole # of iteration descriptions.
10101 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10102 uses abnormal ssa name.
10103 (niter_for_single_dom_exit): Ditto.
10104 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10105 return just the number of iterations.
10107 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10109 PR tree-optimization/27144
10110 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10111 (record_estimate): Only record constant upper bound.
10112 (infer_loop_bounds_from_undefined): Call
10113 compute_estimated_nb_iterations just once.
10114 (proved_non_wrapping_p): Renamed to ...
10115 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10116 (convert_step_widening, scev_probably_wraps_p): Call
10117 n_of_executions_at_most instead of proved_non_wrapping_p.
10118 (substitute_in_loop_info): Do not replace values in bounds.
10119 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10122 2006-05-01 Richard Henderson <rth@redhat.com>
10125 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10126 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10129 2006-05-01 Roger Sayle <roger@eyesopen.com>
10131 * c-typeck.c (parser_build_binary_op): Don't call the function
10132 unsigned_conversion_warning to spot operand/result type overflow.
10133 (build_binary_op): Instead, call convert_and_check instead of
10134 convert to report the problem when the operands are promoted.
10135 * c-common.c (unsigned_conversion_warning): Make static.
10136 * c-common.h (unsigned_conversion_warning): Delete prototype.
10138 2006-05-01 Richard Guenther <rguenther@suse.de>
10140 PR tree-optimization/26726
10141 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10143 (find_interesting_uses_address): ... we work around here
10144 by folding INDIRECT_REFs in the substituted base.
10146 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10148 * omp-low.c (dump_omp_region): Add newlines.
10150 2006-04-30 Roger Sayle <roger@eyesopen.com>
10152 * common.opt (Woverflow): New command line option.
10153 * c-common.c (constant_expression_warning): Check warn_overflow.
10154 (overflow_waring): Pass OPT_Woverflow to warning.
10155 (unsigned_conversion_warning): Likewise.
10156 (convert_and_check): Likewise.
10157 * doc/invoke.texi: Document new command line option.
10159 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10161 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10162 TARGET_NO_FP_IN_TOC for section anchors.
10163 (optimization_options): Enable section anchors for all
10164 non-"Objective" languages.
10166 2006-04-28 Eric Christopher <echristo@apple.com>
10168 * config/darwin-c.c (darwin_ms_struct): Move this
10169 (darwin_set_default_type_attributes): and this...
10170 * config/darwin.c: ... here.
10171 * config/darwin.h (darwin_ms_struct): Declare.
10173 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10175 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10177 2006-04-28 Roger Sayle <roger@eyesopen.com>
10180 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10181 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10182 an unsigned HOST_WIDE_INT.
10183 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10185 (really_start_incremental_init): No need to call convert because
10186 bitsize_zero_node is already of type bitsizetype.
10187 (push_init_level): Extract the value of constructor_index as an
10188 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10189 (process_init_element): Likewise.
10191 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10193 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10194 value before passing to make_relative_prefix.
10196 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10198 PR middle-end/27260
10199 * builtins.c (expand_builtin_memset): Expand val in original mode.
10201 2006-04-27 Eric Christopher <echristo@apple.com>
10203 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10204 with #ifndef/#endif.
10205 * config/darwin-c.c (darwin_ms_struct): New.
10206 (darwin_pragma_ms_struct): Ditto.
10207 (darwin_set_default_type_attributes): Ditto.
10208 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10209 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10210 Register ms_struct pragma.
10211 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10212 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10213 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10214 darwin_set_default_type_attributes if TARGET_MACHO.
10216 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10218 PR tree-optimization/26854
10219 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10220 * doc/tree-ssa.texi: Update immuse iterator documentation.
10221 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10222 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10223 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10224 first_safe_imm_use, next_safe_imm_use): Remove.
10225 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10226 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10227 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10228 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10229 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10230 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10231 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10232 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10233 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10234 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10235 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10236 (perfect_nestify): Use new iterator.
10237 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10239 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10240 (next_imm_name): New field in struct immediate_use_iterator_d.
10241 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10242 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10243 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10244 * tree-cfg.c (replace_uses_by): Use new iterator.
10245 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10246 * tree-ssa-operands.c (correct_use_link): Remove.
10247 (finalize_ssa_use_ops): No longer call correct_use_link.
10249 2006-04-27 Stuart Hastings <stuart@apple.com>
10251 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10252 * config/t-darwin (crt3.o): Use it.
10253 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10254 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10255 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10256 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10257 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10260 2006-04-27 Roger Sayle <roger@eyesopen.com>
10262 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10263 size, force the intermediate into a new pseudo rather instead of
10264 performing both a bitwise AND and a bitwise IOR in memory.
10266 2006-04-27 Richard Guenther <rguenther@suse.de>
10268 PR rtl-optimization/26685
10269 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10270 this one "max-flow-memory-locations".
10272 2006-04-27 Richard Guenther <rguenther@suse.de>
10274 PR tree-optimization/25148
10275 * tree-vrp.c (compare_values): Remove code dealing with
10276 comparisons against type min/max value. Honour overflow
10277 and negative constants in code dealing with comparisons
10278 of plus and minus expressions.
10279 (value_inside_range): Use fold_binary with LE_EXPR and
10280 GE_EXPR rather than compare_values.
10282 2006-04-27 Dirk Mueller <dmueller@suse.de>
10284 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10287 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10289 * basic-block.h (safe_insert_insn_on_edge): Removed.
10290 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10292 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10293 Paolo Bonzini <bonzini@gnu.org>
10295 PR middle-end/27282
10296 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10297 (simplify_and_const_int): Same.
10299 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10301 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10303 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10306 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10307 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10308 cgraph_global_info_ready.
10310 PR middle-end/26913
10311 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10314 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10315 either decl or init is error_mark_node.
10317 PR middle-end/25989
10318 * tree-flow.h (struct omp_region): Add sched_kind.
10319 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10320 instead of extracting omp for data.
10321 (expand_omp_for): Save extracted sched_kind.
10323 2006-04-25 Roger Sayle <roger@eyesopen.com>
10325 * expmed.c (store_bit_field): Also check whether the bitsize is
10326 valid for the machine's "insv" instruction before moving the
10327 target into a pseudo for use with the insv.
10328 * config/i386/predicates.md (const8_operand): New predicate.
10329 * config/i386/i386.md (extv, extzv, insv): Use the new
10330 const8_operand predicate where appropriate.
10332 2006-04-25 DJ Delorie <dj@redhat.com>
10334 * doc/install.texi (Specific): Clarify that this is not a list of
10335 supported hosts or targets.
10337 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10339 PR rtl-optimization/26725
10340 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10341 block's BB_DIRTY flag.
10343 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10345 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10348 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10349 to print an integer.
10351 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10353 * varasm.c (align_variable): New function.
10354 (get_block_for_decl): Apply align_variable to DECL before
10355 calculating section information.
10356 (assemble_variable): Split out alignment computation.
10358 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10360 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10363 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10365 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10366 MODE_PARTIAL_INT mode.
10367 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10368 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10370 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10371 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10373 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10375 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10377 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10378 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10379 MACFLAG_IH): Likewise.
10380 (movstricthi_1): Renamed from "*movstricthi".
10381 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10382 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10383 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10384 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10385 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10386 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10387 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10388 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10389 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10390 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10391 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10392 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10393 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10394 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10395 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10397 * doc/rtl.texi (ss_ashift): Improve wording.
10399 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10401 * dwarf2out.c (verify_marks_clear): New.
10402 (prune_unused_types): Call verify_marks_clear initially, not
10405 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10407 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10408 * doc/rtl.texi: Document them.
10409 * simplify-rtx.c (simplify_unary_operation,
10410 simplify_binary_operation_1): Don't abort when we see them.
10412 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10415 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10416 * configure.ac: Completely disregard languages that are not
10418 * configure: Regenerated.
10420 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10421 Richard Guenther <rguenther@suse.de>
10423 PR tree-optimization/27236
10424 * tree-inline.c (copy_body_r): Make sure to copy
10425 TREE_THIS_VOLATILE flag.
10427 2006-04-24 Richard Guenther <rguenther@suse.de>
10429 PR middle-end/26869
10430 * tree-complex.c (update_parameter_components): Don't handle
10431 unused parameters which have no default def.
10433 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10434 Richard Guenther <rguenther@suse.de>
10436 PR tree-optimization/27218
10437 * tree-inline.c (expand_call_inline): Strip useless type
10438 conversions for the return slot address.
10440 2006-04-24 Richard Guenther <rguenther@suse.de>
10442 * cfgloop.h (struct loops): Remove unused field array. Reorder
10444 (LOOP_PREFETCH): Remove.
10446 2006-04-24 Richard Guenther <rguenther@suse.de>
10448 PR tree-optimization/22525
10449 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10450 variable, adjust types of generated expressions.
10452 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10454 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10455 (tree-vect-patterns.o): Likewise.
10456 (jump.o): Likewise.
10457 (cselib.o): Likewise.
10458 (loop-doloop.o): Likewise.
10459 (regclass.o): Likewise.
10460 (reload1.o): Likewise.
10461 (explow.o): Replace target.h with $(TARGET_H).
10462 (ipa-prop.o): Likewise.
10463 (ipa-cp.o): Likewise.
10464 (ipa-inline.o): Likewise.
10465 (reorg.o): Likewise.
10466 (reg-stack.o): Likewise.
10468 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10470 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10472 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10474 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10476 * configure.ac: Completely disregard languages that are not
10478 * configure: Regenerated.
10481 * c-common.h (c_build_bitfield_integer_type): Declare.
10482 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10483 * c-common.c (c_build_bitfield_integer_type): ... here.
10485 2006-04-23 Roger Sayle <roger@eyesopen.com>
10488 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10489 a SImode SUBREG of a floating point register after no_new_pseudos.
10491 2006-04-23 Roger Sayle <roger@eyesopen.com>
10493 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10494 identify potentially eliminable registers to additionally catch
10495 VIRTUAL_INCOMING_ARGS_REGNUM.
10496 (addsi3): Update the conditions on when to use addsi_small_int.
10498 2006-04-23 Roger Sayle <roger@eyesopen.com>
10501 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10502 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10503 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10505 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10507 * fold-const.c (range_predecessor): Use operand_equal_p
10508 as the predicate for equality.
10509 (range_successor): Likewise.
10511 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10514 * config/soft-fp/op-common.h: Fix a typo.
10516 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10518 PR libmudflap/26864
10519 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10520 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10522 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10524 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10526 * doc/tm.texi: Fix a typo.
10528 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10530 * dwarf2out.c (struct die_struct): Document that die_sib makes
10531 a circular linked list.
10532 (FOR_EACH_CHILD): New.
10533 (reverse_die_lists): Delete.
10534 (reverse_all_dies): Delete.
10535 (add_dwarf_attr): Correct documentation.
10536 (remove_child_with_prev): New.
10537 (remove_child_TAG): Update for change to die_struct, use
10538 remove_child_with_prev.
10539 (add_child_die): Update for change to die_struct.
10540 (splice_child_die): Use remove_child_with_prev and add_child_die.
10541 (print_die): Use FOR_EACH_CHILD.
10542 (die_checksum): Likewise.
10543 (assign_symbol_names): Likewise.
10544 (output_location_lists): Likewise.
10545 (build_abbrev_table): Likewise.
10546 (calc_die_sizes): Likewise.
10547 (mark_dies): Likewise.
10548 (unmark_dies): Likewise.
10549 (unmark_all_dies): Likewise.
10550 (output_die): Likewise.
10551 (prune_unused_types_mark): Likewise.
10552 (prune_unused_types_walk): Likewise.
10553 (same_die_p): Update for change to die_struct.
10554 (break_out_includes): Likewise.
10555 (prune_unused_types_prune): Likewise.
10556 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10557 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10558 it's already clear.
10559 (dwarf2out_finish): Don't call reverse_all_dies.
10561 2006-04-21 Eric Christopher <echristo@apple.com>
10563 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10564 in comments and function names.
10566 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10569 * c-typeck.c (digest_init): Robustify.
10571 * c-typeck.c (pop_init_level): Simplify.
10573 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10575 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10577 2006-04-21 Paul Brook <paul@codesourcery.com>
10579 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10580 hardware floating point.
10582 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10584 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10587 2006-04-21 Nick Clifton <nickc@redhat.com>
10589 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10592 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10595 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10596 C++ lang type in traceback table for Objective-C++.
10598 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10600 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10602 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10604 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10607 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10608 were errors. Remove check for erroneous objects.
10610 2006-04-20 Jeff Law <law@redhat.com>
10612 PR tree-optimization/26854
10613 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10614 checking for zero or one use.
10615 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10616 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10617 * tree-ssa-reassoc.c (negate_value): Similarly.
10618 (reassociate_bb): Similarly.
10620 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10622 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10623 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10624 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10626 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10628 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10629 fp regs if the last fp arg doesn't fit in regs.
10631 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10634 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10635 that the last insn has the REG_INC note.
10637 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10638 Nathan Sidwell <nathan@codesourcery.com>
10641 * stor-layout.c (update_alignment_for_field): Do not align
10643 (place_union_field): Place union field at the start of the union.
10644 (place_field): Move ERROR_MARK check later, and use the current
10645 allocation position to maintain monotonicity.
10647 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10649 * dominance.c: Include timevar.h.
10650 (calculate_dominance_info): Use TV_DOMINANCE.
10651 * timevar.def (TV_DOMINANCE): New timevar.
10652 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10654 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10656 PR rtl-optimization/14261
10657 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10658 move would be an INSV insn.
10659 (noce_process_if_block): Don't optimize if the destination is a
10660 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10662 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10664 * config/s390/s390.md: Add comments with the instructions emitted
10665 by an insn pattern if macros are used.
10667 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10669 PR rtl-optimization/26026
10670 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10671 is a known power of two shifted left a variable amount.
10673 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10675 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10676 to hash table twice when the debug_str section has SECTION_MERGE.
10678 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10680 * config/soft-fp: New directory. From glibc.
10681 * config/soft-fp/t-softfp: New.
10682 * config/soft-fp/README: New.
10683 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10684 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10685 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10686 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10687 * config.gcc: Use rs6000/t-fprules-fpbit or
10688 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10690 * config/rs6000/sfp-machine.h: New. Based on glibc.
10691 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10693 * config/rs6000/t-fprules: Remove fp-bit rules.
10694 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10695 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10696 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10697 (softfp_wrap_start, softfp_wrap_end): New.
10699 2006-04-18 DJ Delorie <dj@redhat.com>
10701 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10703 2006-04-18 Devang Patel <dpatel@apple.com>
10705 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10707 2006-04-18 Nick Clifton <nickc@redhat.com>
10709 * config/sh/t-symbian: Add rule to build sh-c.o
10710 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10711 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10712 (sh_symbian_encode_section_info): Likewise.
10714 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10716 * builtins.c (expand_builtin_strcmp): Cover label definition of
10717 do_libcall with HAVE_cmpstrnsi.
10719 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10721 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10723 * function.h (temp_slot_p): New.
10724 (function): Change the type of x_used_temp_slots to
10725 VEC(temp_slot_p,gc) *.
10727 2006-04-18 Nick Clifton <nickc@redhat.com>
10729 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10730 flag_strength_reduce.
10732 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10734 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10738 Partial revert of revision 112637
10739 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10740 Dale Johannesen <dalej@apple.com>
10743 * regclass.c (struct reg_pref): Update documentation.
10744 (regclass): Set prefclass to NO_REGS if memory is the best option.
10745 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10747 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10749 PR tree-optimization/26821
10750 * tree-ssa-math-opts.c (get_constant_one): New.
10751 (insert_reciprocals): Use it.
10753 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10755 * dwarf2out.c (free_AT): Delete.
10756 (remove_AT): Update string ref counts.
10757 (remove_child_TAG): Don't call free_die.
10758 (free_die): Delete.
10759 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10760 or DW_TAG_GNU_EINCL.
10761 (prune_unused_types_walk_attribs): Reset string refcounts.
10762 (prune_unused_types_update_strings): New.
10763 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10764 call free_die. Do call prune_unused_types_update_strings.
10765 (prune_unused_types): Empty debug_str_hash.
10767 2006-04-17 Roger Sayle <roger@eyesopen.com>
10769 * expr.c (expand_assignment): Optimize away no-op moves where the
10770 source and destination are equal and have no side-effects.
10772 2006-04-17 Richard Guenther <rguenther@suse.de>
10775 * reload.c (push_reload): Guard calls to get_secondary_mem
10776 for memory subregs.
10778 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10780 * alias.c (reg_base_value, old_reg_base_value): Change the
10781 type to VEC(rtx,gc) *.
10782 (REG_BASE_VALUE, find_base_value, record_set,
10783 init_alias_analysis): Use VEC instead of VARRAY.
10785 * alias.c (alias_sets): Change the type to
10786 VEC(alias_set_entry,gc) *.
10787 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10788 VEC instead of VARRAY.
10789 (last_alias_set): Remove.
10791 * cgraph.h (cgraph_edge_p): New.
10792 Update the prototype of cgraph_function_versioning.
10793 * cgraphunit.c (cgraph_copy_node_for_versioning,
10794 cgraph_function_versioning): Use VEC instead of VARRAY.
10795 * ipa-cp.c (ipcp_insert_stage): Likewise.
10797 2006-04-16 Roger Sayle <roger@eyesopen.com>
10800 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10801 "A op B" or "A op C", we may need to convert A to the type of B and C.
10803 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10805 * target.h (struct gcc_target): Add mode_rep_extended.
10806 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10807 (init_num_sign_bit_copies_in_rep): Initialize it using
10809 (truncate_to_mode): Use it.
10810 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10811 * targhooks.h (default_mode_rep_extended): Declare it.
10812 * targhooks.c (default_mode_rep_extended): Define it.
10813 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10814 default_mode_rep_extended.
10815 (TARGET_INITIALIZER): Include it.
10816 * doc/tm.texi (Misc): Document it.
10817 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10818 (mips_truncated_to_mode): New function.
10820 2006-04-16 Roger Sayle <roger@eyesopen.com>
10822 PR middle-end/25474
10823 * expr.c (compress_float_constant): Copy the narrow constant into
10824 a new pseudo before extending it to its final width.
10826 2006-04-16 Roger Sayle <roger@eyesopen.com>
10827 Andrew Pinski <pinskia@gcc.gnu.org>
10828 Dale Johannesen <dalej@apple.com>
10831 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10832 special case code to implement V8HImode and V16QImode with SSE2.
10834 2006-04-15 Roger Sayle <roger@eyesopen.com>
10836 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10837 trees are constructed with a suitable tree type.
10839 2006-04-15 Roger Sayle <roger@eyesopen.com>
10841 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10842 (integer_onep): Likewise.
10843 (integer_all_onesp): Likewise.
10844 (integer_pow2p): Likewise.
10845 (integer_nonzerop): Likewise.
10846 (real_zerop): Likewise.
10847 (real_onep): Likewise.
10848 (real_twop): Likewise.
10849 (real_minus_onep): Likewise.
10850 (int_size_in_bytes): Likewise.
10851 (host_integerp): Likewise.
10853 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10855 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10856 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10857 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10859 * tree-ssa-structalias.h (alias_info): Remove num_references.
10861 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10863 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10864 (output_bvb patterns): Likewise.
10865 * pa.c (output_bb): Use 'bb' insn for long branch case.
10866 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10867 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10868 1. Correct length operand for alternatives 1 and 2.
10869 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10870 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10872 2006-04-14 Roger Sayle <roger@eyesopen.com>
10874 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10875 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10876 were accidentally reverted by r112959.
10878 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10880 PR middle-end/26823
10881 * except.h (eh_region_outermost): New prototype.
10882 * except.c (eh_region_outermost): New function.
10883 * tree-cfg.c (find_outermost_region_in_block): Use it.
10885 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10887 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10889 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10890 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10891 (init_reload, reload): Use VEC instead of VARRAY.
10892 * reload.h: Update the prototype for
10893 reg_equiv_memory_loc_varray.
10895 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10896 Eric Botcazou <ebotcazou@libertysurf.fr>
10898 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10899 register save area.
10901 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10903 PR middle-end/27134
10904 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10905 to expand fallback builtin function call.
10907 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10909 PR middle-end/27095
10910 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10911 and emit libcall here in case the builtin fails.
10912 (expand_builtin_strcmp): Always emit the libcall here on failure.
10914 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10916 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10917 * flow.c (reg_n_info): Change the type to
10918 VEC(reg_info_p,heap) *.
10919 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10921 * regs.h (reg_info_p): New.
10922 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10923 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10924 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10927 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10929 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10931 * params.h (MAX_SCHED_READY_INSNS): New macro.
10932 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10933 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10934 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10935 the ready list for 1 cycle during the first scheduling pass.
10936 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10938 2006-04-13 Richard Henderson <rth@redhat.com>
10941 * gimple-low.c (lower_omp_directive): Remove dead code.
10942 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10943 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10944 * omp-low.c (struct omp_region): Move to tree-flow.h.
10945 (root_omp_region): Export.
10946 (omp_regions, lookup_omp_region): Remove.
10947 (determine_parallel_type): Update for struct omp_region changes.
10948 (dump_omp_region): Dump regions with block numbers.
10949 (new_omp_region): Take type and block instead of stmt; malloc
10951 (free_omp_region_1, free_omp_regions): New.
10952 (expand_parallel_call): Take entry_stmt as argument; update for
10953 changes to omp_region.
10954 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10955 (remove_exit_barriers): New.
10956 (expand_omp_parallel): Update for struct omp_region changes.
10957 (expand_omp_synch): Likewise.
10958 (expand_omp): Likewise.
10959 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10960 (expand_omp_for_static_chunk): Likewise.
10961 (expand_omp_for): Likewise.
10962 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10963 (expand_omp_sections): Similarly, with GOMP_sections_end.
10964 (expand_omp_single): New.
10965 (build_omp_regions_1): Update for OMP_CONTINUE.
10966 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10967 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10968 OMP_SECTIONS_SECTIONS.
10969 (lower_omp_single_simple): Don't emit barrier here.
10970 (lower_omp_single_copy): Likewise.
10971 (lower_omp_single): Fix bindings, and lower to straightline now.
10972 (lower_omp_master, lower_omp_ordered): Likewise.
10973 (lower_omp_critical): Likewise.
10974 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10975 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10976 omp edges, free it afterward.
10977 (make_omp_sections_edges): Remove.
10978 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10979 (move_stmt_r): Handle OMP_CONTINUE.
10980 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10981 statement pointers to basic blocks. Add type member.
10982 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10983 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10984 * tree-inline.c (estimate_num_insns_1): Likewise.
10985 * tree-pretty-print.c (dump_generic_node): Likewise.
10986 * tree-ssa-operands.c (get_expr_operands): Likewise.
10987 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10988 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10989 (OMP_CONTINUE): New.
10990 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10991 (OMP_SECTIONS_SECTIONS): Remove.
10992 (OMP_SECTION_LAST): New.
10993 (OMP_RETURN_NOWAIT): New.
10995 2006-04-13 Roger Sayle <roger@eyesopen.com>
10997 * fold-const.c (native_encode_vector, native_interpret_real):
10998 Correct obvious mistakes in the previous check-in.
11000 2006-04-13 Roger Sayle <roger@eyesopen.com>
11002 * fold-const.c (native_encode_expr): New function to encode
11003 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11004 or VECTOR_CST into a specified buffer.
11005 (native_encode_int): New function.
11006 (native_encode_real): New function.
11007 (native_encode_complex): New function.
11008 (native_encode_vector): New function.
11009 (native_interpret_expr): Inverse of native_encode_expr to convert
11010 a target representation into an INTEGER_CST, REAL_CST etc...
11011 (native_interpret_int): New function.
11012 (native_interpret_real): New function.
11013 (native_interpret_complex): New function.
11014 (native_interpret_vector): New function.
11015 (fold_view_convert_expr): New function to constant fold/evaluate
11016 a VIEW_CONVERT_EXPR of a suitable constant expression.
11017 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11018 Change call of build1 to fold_build1 when constructing a
11021 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11022 Ulrich Weigand <uweigand@de.ibm.com>
11025 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11028 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11031 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11032 optimize to lo_sum for DFmode if !TARGET_FPRS.
11034 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11036 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11037 delete_alias_info, compute_flow_sensitive_aliasing,
11038 group_aliases): Use VEC instead of VARRAY.
11039 * tree-ssa-structalias.c (update_alias_info): Likewise.
11040 * tree-ssa-structalias.h (alias_info): Change the type of
11041 processed_ptrs to VEC(tree,heap) *.
11043 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11046 * config/sh/lib1funcs.h: New file, broken out of:
11047 * config/sh/lib1funcs.asm.
11048 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11050 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11051 * config/sh/lib1funcs-Os-4-200.asm: New file.
11052 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11053 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11054 (EXTRA_MULTILIB_PARTS): Include it.
11055 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11056 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11057 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11058 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11061 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11063 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11064 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11065 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11067 * tree-ssa-live.h: Include vecprim.h.
11068 (tree_partition_associator_d): Change the type of
11069 first_partition to VEC(int,heap) *.
11070 (tpa_first_partition): Use VEC instead of VARRAY.
11072 * Makefile.in (GTFILES): Move functions.h after tree.h.
11073 * function.c (reset_block_changes, record_block_change,
11074 check_block_change, free_block_changes): Use VEC instead of
11076 * function.h (function): Change the type of
11077 ib_boundaries_block to VEC(tree,gc) *.
11078 * tree-inline.c (copy_cfg_body): Initialize
11079 ib_boundaries_block to NULL instead of (varray_type) 0.
11081 2006-04-12 Roger Sayle <roger@eyesopen.com>
11083 * expr.c (emit_group_store): Correct operand order in call to
11084 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11085 a SUBREG_BYTE of zero.
11087 2006-04-12 Richard Guenther <rguenther@suse.de>
11089 * profile.c (compute_branch_probabilities): Remove code
11090 encapsulated in !ir_type (), which are remanents of the
11091 removed RTL profiling code.
11092 * rtl-profile.c: Remove.
11094 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11096 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11097 magic NULL_RTX comment.
11098 (function_arg): Store entire fp arg to mem if any part should go
11100 (rs6000_arg_partial_bytes): Adjust for above change.
11102 2006-04-11 Roger Sayle <roger@eyesopen.com>
11104 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11105 if it hasn't been initialized by dwarf2out_init.
11107 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11109 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11110 symbolic constants in branch patterns.
11112 2006-04-11 Roger Sayle <roger@eyesopen.com>
11114 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11116 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11118 PR rtl-optimization/27073
11119 * gcse.c (try_replace_reg): Revert last change. Continue to search
11120 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11123 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11125 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11126 aggregate types other than record and union types.
11127 (function_arg): Likewise.
11128 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11130 (function_value): In 64-bit mode, return objects that require it
11133 2006-04-11 Roger Sayle <roger@eyesopen.com>
11135 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11137 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11139 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11141 2006-04-03 Jeff Law <law@redhat.com>
11144 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11145 alias information too.
11147 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11149 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11151 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11154 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11155 (premark_used_types_helper): New.
11156 (premark_used_types): New.
11157 (gen_subprogram_die): Call premark_used_types.
11158 (prune_unused_types_walk): Do not prune perennial dies.
11159 * function.c (used_types_insert): New.
11160 * function.h (struct function): Add used_types_hash field.
11161 (used_types_insert): Add prototype.
11162 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11163 * c-parser.c (c_parser_cast_expression): Save casted types in used
11166 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11169 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11170 rs6000_explicit_options.float_gprs.
11172 2006-04-10 Roger Sayle <roger@eyesopen.com>
11174 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11175 from ix86_expand_vector_init_low_nonzero. Take an additional
11176 one_var argument indicating which element is non-zero. Support
11177 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11178 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11179 with one_var instead of ix86_expand_vector_init_low_nonzero.
11181 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11183 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11184 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11185 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11186 build/genextract.o): Depend on vecprim.h.
11187 * cfglayout.c, df-problems.c, function.c, genextract.c,
11188 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11189 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11193 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11195 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11196 Declare VECs of this type.
11197 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11198 (remove_children): Delete.
11199 (add_dwarf_attr): Use VEC routines.
11200 (add_AT_flag): Update for changes to add_dwarf_attr.
11201 (add_AT_int): Likewise.
11202 (add_AT_unsigned): Likewise.
11203 (add_AT_long_long): Likewise.
11204 (add_AT_vec): Likewise.
11205 (add_AT_string): Likewise.
11206 (add_AT_die_ref): Likewise.
11207 (add_AT_fde_ref): Likewise.
11208 (add_AT_loc): Likewise.
11209 (add_AT_loc_list): Likewise.
11210 (add_AT_addr): Likewise.
11211 (add_AT_lbl_id): Likewise.
11212 (add_AT_lineptr): Likewise.
11213 (add_AT_macptr): Likewise.
11214 (add_AT_offset): Likewise.
11215 (add_AT_range_list): Likewise.
11216 (get_AT): Use VEC_iterate.
11217 (remove_AT): Use VEC_ordered_remove.
11218 (free_die): Fold remove_children into here; have it use VEC_iterate.
11219 (print_die): Use VEC_iterate on attrs.
11220 (reverse_die_lists): Don't reverse attr lists.
11221 (die_checksum): Use VEC_iterate on attrs.
11222 (same_die_p): Likewise.
11223 (output_location_lists): Likewise.
11224 (build_abbrev_table): Likewise.
11225 (size_of_die): Likewise.
11226 (unmark_all_dies): Likewise.
11227 (output_abbrev_section): Likewise.
11228 (output_die): Likewise.
11229 (prune_unused_types_walk_attribs): Likewise.
11231 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11233 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11235 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11238 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11240 2006-04-09 Roger Sayle <roger@eyesopen.com>
11242 * expr.c (store_constructor): Don't bother clearing target if
11243 we're about to assign a vector to it using vec_init_optab.
11245 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11247 * tree-ssa-alias.c (lhs_may_store_to): New function.
11248 (recalculate_used_alone): Handle LHS of calls.
11250 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11254 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11255 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11256 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11257 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11258 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11259 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11260 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11261 stubs. Add ".align 8" directives before all ".dword" directives.
11262 (GTHREAD_USE_WEAK): Revise comment.
11263 (TARGET_ATTRIBUTE_WEAK): Define.
11264 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11265 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11266 * stublib.c: New file.
11271 * pa.md (cbranch patterns): Revise arguments used in calls to
11272 output_cbranch, output_bb and output_bvd. Add long branch length
11274 (fbranch patterns): Handle long branches.
11275 (jump): Revise length check. Revise arguments for output_lbranch call.
11276 Add long branch length attributes.
11277 (decrement_and_branch_until_zero): Add long branch length attributes.
11278 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11279 Likewise. Revise arguments for output_parallel_addb and
11280 output_parallel_movb calls.
11281 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11282 output_parallel_movb and output_parallel_addb): Update prototypes.
11283 * pa.c (output_cbranch): Revise arguments. Correct handling of
11284 nullification in long branches.
11285 (output_lbranch): Add new argument to control extraction of delay
11287 (output_bb): Handle long branches.
11288 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11289 output_parallel_addb): Likewise.
11291 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11293 PR rtl-optimization/27073
11294 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11297 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11299 * tree.h (tree_memory_tag): Add old_used_alone.
11300 (SMT_OLD_USED_ALONE): New macro.
11301 * tree-ssa-alias.c (recalculate_used_alone): Stop
11302 marking things for renaming unnecessarily.
11304 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11306 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11307 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11308 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11309 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11310 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11311 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11312 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11313 spelling convensions.
11314 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11315 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11316 typos. Follow spelling conventions.
11318 2006-04-07 DJ Delorie <dj@redhat.com>
11320 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11321 passed on the stack.
11322 (m32c_init_cumulative_args): When a function returns a structure,
11323 always pass the pointer to that return area on the stack.
11324 (m32c_function_arg_advance): Don't increment the parameter number
11325 if we're processing the returned structure pointer.
11326 (pushm_info): Reverse order of registers.
11328 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11330 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11331 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11332 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11333 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11334 build_int_cst_type.
11335 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11336 chrec_fold_multiply): Same.
11337 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11338 force_expr_to_var_cost): Same.
11339 * tree-mudflap.c (mf_xform_derefs_1): Same.
11340 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11342 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11344 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11345 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11348 2006-04-07 Jan Hubicka <jh@suse.cz>
11350 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11352 2006-04-07 Richard Guenther <rguenther@suse.de>
11354 PR tree-optimization/26135
11355 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11356 loads for store copy-prop.
11357 (copy_prop_visit_stmt): Likewise.
11359 2006-04-05 Robert Millan <robertmh@gnu.org>
11361 * config/i386/linux.h: Add a comment to mark macros that are
11362 being overriden in config/k*bsd-gnu.h.
11363 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11365 * config/knetbsd-gnu.h: Ditto.
11367 2006-04-06 Jan Hubicka <jh@suse.cz>
11371 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11374 2006-04-06 Mike Stump <mrs@apple.com>
11376 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11377 for HAVE_nonlocal_goto to be consistent.
11378 (expand_builtin_nonlocal_goto): Likewise.
11379 (expand_builtin_strcmp): Use #ifdef instead of #if
11380 for HAVE_cmpstrnsi to be consistent.
11382 2006-04-05 DJ Delorie <dj@redhat.com>
11384 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11387 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11389 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11390 got-relative addressing for anything but SImode.
11392 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11393 even if the calling function doesn't modify them.
11395 2006-04-05 Richard Guenther <rguenther@suse.de>
11397 PR tree-optimization/26919
11398 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11399 to cgraph_estimate_size_after_inlining.
11401 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11403 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11405 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11407 PR tree-optimization/26996
11408 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11409 VECTOR_TYPE variables.
11411 2006-04-05 Richard Guenther <rguenther@suse.de>
11413 PR tree-optimization/26763
11414 * fold-const.c (fold_comparison): Move folding of
11415 PTR + CST CMP PTR + CST ...
11416 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11418 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11420 * doc/install.texi (Prerequisites): Refine some wording on
11421 bootstrapping and ksh.
11422 Move the version numbers of DejaGnu here from the testing section
11423 and fix casing of names.
11424 Fix markup and clarify wording for autogen requirements.
11425 Refer to GCJ instead of just java.
11426 Refer to SVN instead of CVS.
11427 Describe diffutils as useful instead of necessary.
11428 (Downloading the source): Refer to SVN instead of CVS.
11429 Adjust a link to our web site accordingly.
11430 (Configuration): Fix casing of Bison.
11431 (Building): Refer to SVN instead of CVS.
11432 Fix a sentence on the use of Bison and remove duplicate (and
11433 incorrect) version number of Bison requirement.
11434 Remove one redundant list of packages needed for building.
11435 (Specific): Avoid reference to CVS.
11437 2006-04-04 Eric Christopher <echristo@apple.com>
11439 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11440 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11441 (rs6000_handle_struct_attribute): New.
11442 (rs6000_ms_bitfield_layout_p): Ditto.
11444 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11446 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11447 NULL for dso parameter to atexit_common.
11449 2006-04-04 Eric Christopher <echristo@apple.com>
11451 * config/i386/i386.c (machopic_output_stub): Output \t
11452 between instructions and operands.
11454 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11456 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11457 satisfies_constraint_[IL] to explicit tests on value.
11459 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11461 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11462 set_nb_iterations_in_loop): Use build_int_cst instead of
11463 build_int_cst_type.
11464 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11465 build_int_cst instead of convert.
11467 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11469 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11470 new value 2 for incoming.
11471 * function.c (expand_function_start): Call struct_value_rtx
11472 with incoming as 2.
11473 * config/sparc/sparc.md: Comment updated_return.
11474 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11475 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11476 struct return if sparc_std_struct_return and incoming is 2.
11477 (print_operand): Do not adjust return if
11478 sparc_std_struct_return.
11480 2006-04-04 Roger Sayle <roger@eyesopen.com>
11482 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11483 convert in the middle-end.
11484 * expr.c (store_expr, store_constructor, get_inner_reference,
11485 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11487 * tree.c (build_range_type): Likewise.
11489 2006-04-04 Tom Tromey <tromey@redhat.com>
11491 * doc/install.texi (Prerequisites): Mention jar.
11493 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11495 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11498 2006-04-04 Matthias Klose <doko@debian.org>
11500 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11504 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11507 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11509 * doc/extend.texi (Function Attributes): Rewrite visibility
11510 attribute documentation.
11511 * doc/invoke.texi (C++ Dialect Options): Rewrite
11512 -fvisibility-inlines-hidden documentation to describe something
11513 entirely different, although in practise compatible.
11514 (Code Gen Options): Warn about system headers in -fvisibility=
11517 * doc/extend.texi (Other Builtins): Document that
11518 __builtin_nan is a compile-time constant only when its argument
11521 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11523 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11524 trying to remove TRUNCATE check if all bits outside the new mode
11525 are identical to the sign bit.
11527 2006-04-03 Jeff Law <law@redhat.com>
11529 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11530 and operand scanning in some common cases.
11532 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11533 Dale Johannesen <dalej@apple.com>
11536 * regclass.c (struct reg_pref): Update documentation.
11537 (regclass): Set prefclass to NO_REGS if memory is the best option.
11538 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11539 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11540 into account. For non-registers, equate an empty preferred
11541 reload class to a `!' in the constraint; move the if clause to
11542 do so after those that reject the insn.
11543 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11545 (find_dummy_reload): Likewise.
11546 * doc/tm.texi (Register Classes): Document what it means
11547 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11548 * config/i386/i386.c (ix86_preferred_reload_class): Force
11549 using SSE registers (and return NO_REGS for floating-point
11550 constants) if math is done with SSE.
11551 (ix86_preferred_output_reload_class): New.
11552 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11553 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11554 * config/i386/i386.md: Remove # register preferences.
11556 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11559 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11560 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11561 the type of nb_iter.
11562 (instantiate_parameters_1): Convert the operands before calling
11563 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11564 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11566 2006-04-02 Roger Sayle <roger@eyesopen.com>
11568 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11569 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11570 instead of convert.
11571 * dojump.c (do_jump): Likewise.
11572 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11573 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11574 gimplify_boolean_expr): Likewise.
11575 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11576 * varasm.c (array_size_for_constructor): Likewise.
11577 * tree-object-size.c (compute_object_offset): Likewise.
11579 2006-04-02 Roger Sayle <roger@eyesopen.com>
11581 PR middle-end/26977
11582 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11583 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11585 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11587 PR tree-optimization/26939
11588 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11590 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11592 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11593 at_stmt. Convert the type of operands before calling
11594 build_polynomial_chrec.
11595 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11596 add_to_evolution_1.
11597 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11598 (instantiate_parameters_1): Convert the type of operands before calling
11599 build_polynomial_chrec.
11600 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11601 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11602 reset_evolution_in_loop): Insert asserts to check the types of the
11604 (chrec_type): Moved...
11605 (eq_evolutions_p): Use operand_equal_p.
11606 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11607 the types of the operands.
11608 (chrec_type): ...here.
11609 * tree-data-ref.c (create_data_ref): Convert the operands before
11610 calling chrec_replace_initial_condition.
11611 (same_access_functions, analyze_subscript_affine_affine,
11612 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11613 (compute_subscript_distance, analyze_ziv_subscript,
11614 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11615 analyze_miv_subscript): Convert the operands before calling
11616 chrec_fold_minus or chrec_fold_plus.
11618 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11620 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11621 the dependence_relations vector.
11622 (compute_data_dependences_for_loop): Adjust call to
11623 compute_all_dependences.
11625 2006-04-01 Roger Sayle <roger@eyesopen.com>
11626 Richard Henderson <rth@redhat.com>
11628 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11629 gimple_boolify on the condition before calling gimplify_expr.
11631 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11633 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11634 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11635 the frame size. Update to use the new macros.
11636 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11637 * config/xtensa/ieee754-df.S: Likewise.
11639 2006-03-31 Richard Henderson <rth@redhat.com>
11641 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11642 (make_edges): ... here. Control fallthru creation with a local
11643 variable. Do not play with fake edges.
11644 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11645 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11648 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11650 * dwarf2.h (DW64_CIE_ID): Define.
11651 * dwarf2out.c (DWARF_CIE_ID): Define.
11652 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11653 length header. Use DWARF_CIE_ID.
11654 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11655 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11657 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11659 * config/sh/linux-atomic.asm: New file.
11660 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11662 2006-03-31 DJ Delorie <dj@redhat.com>
11664 * config/m32c/cond.md: Set condition flags properly throughout.
11665 * config/m32c/minmax.md: Likewise.
11666 * config/m32c/prologue.md: Likewise.
11667 * config/m32c/bitops.md: Likewise.
11668 * config/m32c/muldiv.md: Likewise.
11669 * config/m32c/mov.md: Likewise.
11670 * config/m32c/addsub.md: Likewise.
11671 * config/m32c/m32c.md: Likewise.
11672 * config/m32c/jump.md: Likewise.
11673 * config/m32c/shift.md: Likewise.
11675 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11676 conditionally output the pattern for this.
11677 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11678 (m32c_compare_redundant): New.
11679 (m32c_output_compare): New.
11680 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11682 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11683 dest, not src. Allow other 4-byte modes.
11685 2006-03-30 Denis Chertykov <denisc@overta.ru>
11687 * doc/md.texi: Refer to avr/constraints.md instead of
11690 2006-03-30 Roger Sayle <roger@eyesopen.com>
11692 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11693 signed vs. unsigned comparison failures on some hosts.
11695 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11698 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11699 change to FLOAT_REGS.
11701 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11702 (rs6000_override_options): Use it.
11703 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11704 only for -mabi=spe/no-spe and -mabi=altivec.
11706 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11708 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11711 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11713 * Makefile.in: Rename docdir to gcc_docdir.
11715 2006-03-30 Roger Sayle <roger@eyesopen.com>
11718 * expr.c (emit_group_store): Optimize group stores into a pseudo
11719 register by using a paradoxical subreg to initialize the destination
11720 if the first or last member of the group specifies a "low part".
11722 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11725 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11726 * target.h (struct gcc_target.speculate_insn): Change type of the
11727 second parameter to 'int'.
11728 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11729 the second operand of the DEPS_LIST.
11730 (copy_DEPS_LIST_list): Update reference to the second operand of the
11732 * rtl.h (alloc_DEPS_LIST): Update signature.
11733 * sched-int.h (ds_t): Change typedef to 'int'.
11734 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11736 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11738 * haifa-sched.c (try_ready): Change condition to restore
11739 non-speculative pattern of the instruction.
11740 (process_insn_depend_be_in_spec): Code to keep probability of the
11741 speculative dependence non-decreasing.
11743 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11745 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11746 (single_move_for_movmem): ... this. Also change all uses.
11747 (bfin_expand_strmov): Renamed to...
11748 (bfin_expand_movmem): ... this. Also change all uses.
11749 * config/bfin/bfin.md (movstrsi): Renamed to...
11750 (movstrsi): ...this.
11752 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11754 PR tree-optimization/26830
11756 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11757 (copy_prop_visit_stmt): Remove write-only variable ann.
11758 (init_copy_prop): Check variable loop depth here. Do not simulate
11759 memory-tag and virtual operand PHIs except for store copy prop.
11761 2006-03-30 Richard Guenther <rguenther@suse.de>
11763 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11764 variants with double arguments.
11766 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11768 * genpreds.c (write_tm_constrs_h): Delete variable p.
11769 * genconditions.c (write_header): Add tm-constrs.h to included
11771 * genpeep.c (main): Add toplev.h to included headers.
11772 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11773 (build/genpeep.o): Add toplev.h dependency.
11774 * config/rs6000/constraints.md: Add "W" constraint.
11776 2006-03-29 Roger Sayle <roger@eyesopen.com>
11778 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11779 sizes by correctly testing whether the size fits a host integer.
11780 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11781 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11782 SImode range for the default sizetype and bitsizetype.
11784 2006-03-29 Roger Sayle <roger@eyesopen.com>
11786 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11787 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11788 quickly if the argument is already of the correct type.
11789 Call fold_build1 instead of build1. Tidy up blank lines.
11791 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11793 * genemit.c (main): Add tm-constrs.h to included headers.
11794 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11795 * genpeep.c (main): Add tm-constrs.h to included headers.
11796 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11797 (write_tm_constrs_h): this and write complete file.
11798 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11799 (write_insn_preds_c): Add tm-constrs.h to included headers.
11800 (gen_constrs): New variable.
11801 (parse_option): Parse "-c".
11802 (main): Invoke write_tm_constrs_h.
11803 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11804 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11805 (object_out_file): Add tm-constrs.h dependency.
11806 (insn-emit.o): Same.
11807 (insn-output.o): Same.
11808 (insn-peep.o): Same.
11809 (insn-preds.o): Same.
11810 (insn-recog.o): Same.
11811 (tm-constsr.h): New target.
11812 (s-constrs-h): New target.
11814 * config/rs6000/constraints.md: New file.
11815 * config/rs6000/rs6000.c: Include tm-constrs.h.
11816 (num_insn_constant_wide): Convert to satisfies_constraint.
11817 (rs6000_rtx_costs): Convert to satisfies_constraint.
11818 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11819 (CONST_OK_FOR_LETTER_P): Delete.
11820 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11821 (EXTRA_CONSTRAINT): Delete.
11822 (EXTRA_MEMORY_CONSTRAINT): Delete.
11823 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11824 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11825 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11826 satisfies_constraint.
11828 * config/i386/i386.c: Include tm-constrs.h.
11830 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11832 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11833 * tree-data-ref.c (find_data_references_in_loop,
11834 compute_data_dependences_for_loop): Use pointers to VEC.
11835 (analyze_all_data_dependences): Adjust calls.
11836 * tree-data-ref.h (find_data_references_in_loop,
11837 compute_data_dependences_for_loop): Adjust declarations.
11838 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11839 compute_data_dependences_for_loop.
11841 2006-03-29 Paul Brook <paul@codesourcery.com>
11843 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11844 (movdf_vfp): Ditto.
11846 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11848 PR tree-optimization/26859
11849 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11851 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11852 for the step after fold_convert.
11854 2006-03-29 Paul Brook <paul@codesourcery.com>
11856 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11857 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11859 2006-03-29 Paul Brook <paul@codesourcery.com>
11861 PR middle-end/23623
11862 * targhooks.c (default_narrow_bitfield): New fuction.
11863 * targhooks.h (default_narrow_bitfield): add prototype.
11864 * target.h (gcc_target): Add narrow_volatile_bitfield.
11865 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11866 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11867 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11868 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11870 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11872 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11874 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11875 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11876 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11877 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11878 (s390_function_arg_float): Allow SDmode and DDmode values to be
11879 passed in floating point registers.
11880 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11881 check with SCALAR_FLOAT_MODE_P.
11882 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11884 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11886 PR tree-optimization/25985
11887 * tree-ssa-loop-niter.c (number_of_iterations_le,
11888 number_of_iterations_ne): Make comments more precise.
11889 (number_of_iterations_cond): Add only_exit argument. Use the
11890 fact that signed variables do not overflow only when only_exit
11892 (loop_only_exit_p): New.
11893 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11894 number_of_iterations_cond.
11896 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11898 PR tree-optimization/26643
11899 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11902 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11904 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11905 (divsi3_i4_int): Likewise.
11907 2006-03-28 Roger Sayle <roger@eyesopen.com>
11909 * expr.c (emit_group_store): Only create a new pseudo reg if the
11910 quantity it needs to hold isn't already a suitable pseudo.
11912 2006-03-28 Jeff Law <law@redhat.com>
11914 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11915 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11917 2006-03-28 Roger Sayle <roger@eyesopen.com>
11919 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11920 the equivalent ~X & Y, and the symmetry related transformations.
11921 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11922 ~X & Y, and symmetry related transforms.
11924 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11926 Revert my 2006-03-27 patches.
11928 2006-03-28 Roger Sayle <roger@eyesopen.com>
11930 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11931 ~(T1)X, when T1 and T2 are integer types of the same precision
11932 and (T2)X isn't an extension.
11934 2006-03-28 Jeff Law <law@redhat.com>
11936 PR tree-optimization/26796
11937 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11938 need EH edge cleanups rather than purging them immediately.
11939 (eliminate_degenerate_phis): Handle queued EH cleanups.
11941 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11943 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11946 2006-03-27 Roger Sayle <roger@eyesopen.com>
11948 PR middle-end/22524
11949 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11950 cast BIT_NOT_EXPR operand to the correct type.
11952 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11954 * tree-loop-linear.c: Don't include varray.h.
11955 (gather_interchange_stats, try_interchange_loops,
11956 linear_transform_loops): Use VEC instead of VARRAY.
11957 * lambda-mat.c: Don't include varray.h.
11958 * tree-chrec.c: Same.
11959 * lambda-trans.c: Same.
11960 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11961 VEC instead of VARRAY.
11962 * tree-vectorizer.h: Idem.
11963 * tree-data-ref.c (dump_data_references,
11964 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11965 initialize_data_dependence_relation, finalize_ddr_dependent,
11966 compute_all_dependences, find_data_references_in_loop,
11967 compute_data_dependences_for_loop, analyze_all_data_dependences,
11968 free_dependence_relation, free_dependence_relations,
11969 free_data_refs): Idem.
11970 * tree-data-ref.h (data_reference_p, subscript_p): New.
11971 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11972 VEC instead of VARRAY.
11973 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11974 (find_data_references_in_loop, compute_data_dependences_for_loop,
11975 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11976 dump_data_dependence_relations, free_dependence_relations,
11977 free_data_refs): Adjust declaration.
11978 (lambda_transform_legal_p): Move declaration here...
11979 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11980 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11981 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11982 vect_analyze_data_refs): Use VEC instead of VARRAY.
11983 * lambda.h (lambda_transform_legal_p): ...from here.
11984 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11985 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11986 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11987 tree-chrec.o): Don't depend on VARRAY_H.
11989 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11991 * rtl.def (Copyright): Update date.
11992 (DEPS_LIST): Change type of the second operand to 'int'.
11993 * target.h (Copyright): Update date.
11994 (struct gcc_target.speculate_insn): Change type of the second parameter
11996 * lists.c (Copyright): Update date.
11997 (alloc_DEPS_LIST): Change signature. Update reference to the second
11998 operand of the DEPS_LIST.
11999 (copy_DEPS_LIST_list): Update reference to the second operand of the
12001 * rtl.h (Copyright): Update date.
12002 (alloc_DEPS_LIST): Update signature.
12003 * sched-int.h (Copyright): Update date.
12004 (ds_t): Change typedef to 'int'.
12005 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12007 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12009 * haifa-sched.c (Copyright): Update date.
12010 (try_ready): Change condition to restore non-speculative pattern
12011 of the instruction.
12012 (process_insn_depend_be_in_spec): Code to keep probability of the
12013 speculative dependence non-decreasing.
12015 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12017 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12018 shut up the compiler.
12020 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12022 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12023 to use lib prefix for target.
12024 ($(T)libic_invalidate_array_4-200.a): Likewise.
12025 ($(T)libic_invalidate_array_4a.a): Likewise.
12027 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12028 J"orn Rennecke <joern.rennecke@st.com>
12030 * superh.opt: New file.
12031 * sh.c (boardtype, osruntime): Remove.
12032 * superh.h (SUBTARGET_OPTIONS): Remove.
12033 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12035 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12036 arguments with ^ and/or [].
12038 * config.gcc (sh-*-*): Add quoting to account for quirk of
12040 Replace == with = in enable_incomplete_targets test.
12042 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12043 with MASK_LITTLE_ENDIAN.
12045 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12046 * config/sh/sh.opt: Added to some comments.
12047 * config/sh/superh.h: Removed some chaff.
12049 * config/sh/sh.opt: Add m4-[1234]00* options.
12050 * config/sh/sh.c (sh_handle_option): Likewise.
12051 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12052 (ic_invalidate_array_4-100.o): New rule.
12053 ($(T)libic_invalidate_array_4-100.a): Likewise.
12054 (ic_invalidate_array_4-200.o): Likewise.
12055 ($(T)libic_invalidate_array_4-200.a): Likewise.
12056 (ic_invalidate_array_4a.o): Likewise.
12057 ($(T)libic_invalidate_array_4a.a): Likewise.
12058 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12059 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12061 * config/sh/crt1.asm: Merged in profiling code.
12062 * config/sh/superh.h (STARTFILE_SPEC): Override.
12063 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12064 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12065 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12067 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12068 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12069 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12071 * sh.opt (mpretend-cmove): New option.
12072 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12073 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12074 (movsicc): Add TARGET_PRETEND_CMOVE code.
12076 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12078 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12079 s390_class_max_nregs): New function prototypes.
12080 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12081 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12082 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12083 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12085 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12087 * dwarf2out.c (add_location_or_const_value_attribute): Call
12088 tree_add_const_value_attribute if nothing else works.
12089 (reference_to_unused): New.
12090 (rtl_for_decl_init): Use reference_to_unused to decide whether
12091 to output an initializer.
12093 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12096 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12097 peephole removing spe frob_di_df_2.
12099 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12101 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12102 (subscript_dependence_tester_1): Declared.
12103 (print_dir_vectors, print_dist_vectors): New.
12104 (debug_data_dependence_relation): New.
12105 (dump_data_dependence_relation): Print more details.
12106 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12107 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12108 (save_dist_v, save_dir_v, add_outer_distances,
12109 build_classic_dist_vector_1): New.
12110 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12111 Don't test for lambda_vector_lexico_pos.
12112 (same_access_functions, add_multivariate_self_dist,
12113 add_other_self_distances, dir_from_dist): New.
12114 (build_classic_dir_vector): Replace implementation almost identical to
12115 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12117 (subscript_dependence_tester_1): New.
12118 (subscript_dependence_tester): Handle the lexicographically negative
12119 distance vectors by recomputing the dependence relation.
12120 (compute_affine_dependence): Remove parameter loop_nest_depth.
12121 (compute_self_dependence): Don't call compute_subscript_distance.
12122 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12123 Add a parameter for the loop_nest.
12124 (find_loop_nest_1, find_loop_nest): New.
12125 (compute_data_dependences_for_loop): Compute the loop nest, and give
12126 up if the nest is not well formed.
12127 * tree-data-ref.h (loop_p): New.
12128 (struct data_dependence_relation): Replace size_vect field with
12129 loop_nest, a vec of loops.
12130 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12131 (DDR_LOOP_NEST): New.
12132 (print_dir_vectors, print_dist_vectors,
12133 debug_data_dependence_relation): Declared.
12134 (index_in_loop_nest): New.
12135 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12136 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12139 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12141 * simplify-rtx.c (simplify_relational_operation): Call
12142 simplify_relational_operation_1 even if mode is VOIDmode.
12144 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12146 PR tree-optimization/26804
12147 * tree.h (DECL_CALL_CLOBBERED): New macro.
12148 (tree_decl_common): Add call_clobbered_flag.
12149 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12150 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12151 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12152 (mark_non_addressable): Ditto.
12153 * tree-ssa.c (verify_call_clobbered): New function.
12154 (verify_alias_info): Use it.
12155 * tree-pass.h (pass_reset_cc_flags): New prototype.
12156 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12157 (reset_cc_flags): New function.
12158 * passes.c (init_optimization_passes): Call reset_cc_flags after
12159 initializing referenced_vars.
12161 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12162 Roger Sayle <roger@eyesopen.com>
12164 PR middle-end/26717
12165 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12166 to 1.0 for non-real operands. Implement A / A optimization for
12169 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12171 * config/i386/i386.c (size_cost): Correct the comment for
12172 cost of storing fp registers.
12173 (i386_cost): Likewise.
12174 (i486_cost): Likewise.
12175 (pentium_cost): Likewise.
12176 (pentiumpro_cost): Likewise.
12177 (k6_cost): Likewise.
12178 (athlon_cost): Likewise.
12179 (k8_cost): Likewise.
12180 (pentium4_cost): Likewise.
12181 (nocona_cost): Likewise.
12182 (generic64_cost): Likewise.
12183 (generic32_cost): Likewise.
12185 2006-03-24 Denis Chertykov <denisc@overta.ru>
12187 * config/avr/avr-protos.h (extra_constraint): Delete.
12188 (extra_constraint_Q): New declaration.
12189 * config/avr/constraints.md: New file.
12190 * config/avr/avr.md: Include it.
12191 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12192 (TMP_REGNO, ZERO_REGNO): Likewise.
12193 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12194 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12195 (extra_constraint): Delete.
12196 (extra_constraint_Q): Test for memory constraint 'Q'.
12197 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12198 (REG_CLASS_FROM_LETTER): Delete.
12199 (CONST_OK_FOR_LETTER_P): Delete.
12200 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12201 (EXTRA_CONSTRAINT): Delete.
12202 (TMP_REGNO): Delete.
12203 (ZERO_REGNO): Delete.
12205 2006-03-24 Jeff Law <law@redhat.com>
12207 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12208 directly. Call mark_new_vars_to_rename slightly earlier.
12210 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12212 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12213 (is_cxx): Likewise.
12214 (gen_compile_unit_die): Use new language types for Objective-C and
12216 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12217 DW_LANG_C_plus_plus.
12220 * config/t-darwin (crt3.o): Work around bug 26840.
12221 * config/darwin-crt3.c: Rewrite.
12222 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12224 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12226 * doc/invoke.texi: Document -femit-class-debug-always
12227 * common.opt: Add -femit-class-debug-always.
12229 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12231 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12232 index and base register.
12233 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12234 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12235 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12236 REGNO_OK_FOR_INDEX_P.
12237 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12239 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12240 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12241 REG_OK_FOR_BASE_P): Definitions removed.
12243 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12245 PR middle-end/26611
12246 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12247 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12248 set yet or weren't marked as local yet.
12250 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12252 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12255 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12257 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12258 (rs6000_legitimate_small_data_p): Delete.
12259 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12260 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12261 and make static. Add forward declaration. Update uses.
12262 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12263 of offsettable_memref_p.
12264 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12265 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12267 2006-03-24 Jeff Law <law@redhat.com>
12269 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12270 around bug in immediate-use iterator.
12272 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12275 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12276 or __LITTLE_ENDIAN__.
12278 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12280 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12281 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12282 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12283 * config/sh/sh.opt (mdiv=): Amend description.
12284 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12285 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12286 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12287 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12288 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12289 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12290 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12291 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12292 TARGET_DIVIDE_CALL_FP.
12294 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12296 * haifa-sched.c (choose_ready): Fix type of the local variable.
12297 Move local variables. Add comment.
12298 (check_reg_live): Change signature. Make callable from debugger.
12299 * sched-int.h (check_reg_live): Update signature.
12300 * sched-ebb.c (check_reg_live): Update parameters.
12301 * sched-rgn.c (check_reg_live): Ditto.
12302 (region_head_or_leaf_p): Check pointer before dereferencing.
12303 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12304 before reload on optimization levels below 1.
12306 2006-03-23 Richard Henderson <rth@redhat.com>
12308 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12312 * config/alpha/predicates.md (local_symbolic_operand): Reject
12315 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12318 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12319 expressions which have overflowed constants.
12321 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12323 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12325 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12327 * cfgloopmanip.c (create_loop_notes): Removed.
12328 * final.c (final_scan_insn): Do not handle loop notes.
12329 * jump.c (squeeze_notes): Ditto.
12330 * cfglayout.c (skip_insns_after_block,
12331 duplicate_insn_chain): Ditto.
12332 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12334 * cfgloop.h (create_loop_notes): Declaration removed.
12336 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12338 * varasm.c (output_constant_pool): Restore fnname and fndecl
12340 (assemble_start_function): Adjust call accordingly.
12341 (assemble_end_function): Likewise.
12343 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12346 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12349 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12351 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12354 * system.h (ICE_EXIT_CODE): New macro.
12355 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12356 (diagnostic_action_after_output): Likewise.
12357 * gcc.c (fatal_ice): New function.
12358 (execute): Use it instead of fatal.
12359 (fancy_abort): Likewise.
12360 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12362 2006-03-22 Jeff Law <law@redhat.com>
12364 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12365 iv_analyze_result returning false.
12367 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12369 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12371 2006-03-22 Richard Henderson <rth@redhat.com>
12373 PR middle-end/26084
12374 * except.c (duplicate_eh_regions_0): New.
12375 (duplicate_eh_region_1): Duplicate the children of the node as
12376 well as the node itself. Link them up properly.
12377 (duplicate_eh_region_2): Merge into ...
12378 (duplicate_eh_regions): ... here. Take copy_region argument, and
12379 copy only a sub-tree if asked. Simplify copying and fixup.
12380 (eh_region_outer_p): New.
12381 * except.h (duplicate_eh_regions): Update decl.
12382 (eh_region_outer_p): Declare.
12383 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12384 (lower_omp_master): Likewise.
12385 (lower_omp_ordered): Likewise.
12386 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12387 (move_stmt_r): Use it to remap labels. Handle recursion vs
12388 remap_decls_p properly.
12389 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12390 (find_outermost_region_in_block): New.
12391 (new_label_mapper): New.
12392 (move_sese_region_to_fn): Copy eh information to the new function
12394 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12396 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12399 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12401 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12402 into shared libraries.
12404 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12406 * doc/md.texi: Refer to i386/constraints.md instead of
12407 i386/predicates.md.
12408 * config/i386/constraints.md: New file, extracted from...
12409 * config/i386/predicates.md: ...here.
12410 * config/i386/i386.md: Include constraints.md.
12412 2006-03-21 Jason Merrill <jason@redhat.com>
12414 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12416 PR middle-end/20297
12417 * expr.c (init_block_move_fn): Force default visibility.
12418 (init_block_clear_fn): Likewise.
12419 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12420 * targhooks.c (default_external_stack_protect_fail): Likewise.
12422 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12424 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12425 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12426 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12427 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12428 (loadgp): Use mips_current_loadgp_style.
12429 (loadgp_noshared): New pattern.
12430 (sibcall_internal): Use MIPS_CALL.
12431 (sibcall_value_internal): Likewise.
12432 (sibcall_value_multiple_internal): Likewise.
12433 (call_internal): Likewise.
12434 (call_value_internal): Likewise.
12435 (call_value_multiple_internal): Likewise.
12436 (call_split): Use MIPS_CALL and add an 'S' constraint.
12437 (call_value_split): Likewise.
12438 (call_value_multiple_split): Likewise.
12439 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12440 (-mshared): New option.
12441 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12442 (mips_current_loadgp_style): Declare.
12443 * config/mips/mips.c (mips_classify_symbol): Avoid using
12444 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12445 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12446 TARGET_ABSOLUTE_ABICALLS.
12447 (override_options): Adjust comments. Improve the warning that is
12448 issued when -mabicalls and -G are used together.
12449 (mips_file_start): Remove comment.
12450 (mips_current_loadgp_style): New function.
12451 (mips_gnu_local_gp): New variable.
12452 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12454 (mips_output_function_prologue): Use mips_current_laodgp_style.
12455 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12456 the cprestore instruction.
12457 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12458 live for TARGET_ABSOLUTE_ABICALLS.
12459 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12460 (ASM_SPEC): Pass down -mshared and -mno-shared.
12461 (MIPS_CALL): New macro.
12462 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12464 * doc/invoke.texi (-mabicalls): Update documentation.
12465 (-mshared): Document.
12467 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12469 * config/ia64/unwind-hpux.c: New file.
12470 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12472 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12475 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12477 2006-03-21 Jeff Law <law@redhat.com>
12479 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12480 type conversions of a VR_VARYING source to a wider type.
12482 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12484 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12485 tm_file on Solaris 10 and later.
12486 (sparc64-*-solaris2*): Likewise.
12487 (sparc-*-solaris2*): Likewise.
12488 * config/sol26.h: Rename to config/sol2-6.h.
12489 * config/sol2-10.h: New file.
12491 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12494 * tree-ssa-pre.c (create_component_ref_by_pieces):
12497 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12500 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12501 return it immediately.
12503 2006-03-21 Michael Matz <matz@suse.de>
12505 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12507 (remove_arc, add_arc): Update num_out_arcs member.
12508 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12510 (cache_presence): New function.
12511 (compare_states_for_equiv): New function.
12512 (state_is_differed): Don't take number of outargs, adjust callers.
12513 Use new invariant for speeding up.
12514 (init_equiv_class): Create initial classes based on sorted
12516 (partition_equiv_class): Don't track out_arcs_num.
12517 (evaluate_equiv_classes): Call cache_presence on all states and
12520 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12522 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12523 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12524 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12525 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12527 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12528 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12529 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12530 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12531 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12533 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12534 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12535 (REGNO_REG_CLASS): ARGP is in PREGS.
12536 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12538 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12539 to deal with those addresses.
12540 * addresses.h: New file.
12541 * caller-save.c: Include "addresses.h".
12542 (init_caller_save): Use new base_reg_class function.
12543 * rtl-factoring.c: Include "addresses.h".
12544 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12545 * recog.c: Include "addresses.h".
12546 (preprocess_constraints): Use new base_reg_class function.
12547 * regrename.c: Include "addresses.h".
12548 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12549 functions. Keep track of a new var INDEX_CODE to compute valid
12551 (replace_oldest_value_addr): Likewise.
12552 (replace_oldest_value_mem): Use base_reg_class.
12553 * reload.c: Include "addresses.h".
12554 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12555 (find_reloads): Use new base_reg_class function.
12556 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12557 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12558 all callers and prototype changed.
12559 * reload1.c: Include "addresses.h".
12560 (maybe_fix_stack_asms): Use base_reg_class.
12561 * regclass.c: Include "addresses.h".
12562 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12563 (init_reg_autoinc): Use new base_reg_class function.
12564 (record_reg_classes): Likewise.
12565 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12566 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12567 Use new args to compute necessary class.
12569 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12570 regrename.o, rtl-factoring.o): Update dependencies.
12571 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12572 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12573 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12574 REG_OK_FOR_INDEX_P): Delete documentation.
12576 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12578 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12579 from V7 to V9 for Solaris 7 and above.
12581 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12583 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12584 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12585 argument pointers may not alias any other storage.
12586 * common.opt: Define option -fargument-noalias-anything.
12587 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12588 alias semantics is specified by flag_argument_noalias > 2.
12590 2006-03-20 Jeff Law <law@redhat.com>
12592 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12593 (pass_phi_only_cprop): Declare.
12594 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12595 with phi_only_cprop
12596 * tree-ssa-dom.c (degenerate_phi_result): New function.
12597 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12598 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12599 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12600 (eliminate_degenerate_phis): Likewise.
12601 (pass_phi_only_cprop): New pass descriptor.
12602 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12603 support code. Callers updated.
12604 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12605 (store_copy_prop): Likewise.
12606 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12608 2006-03-20 Jason Merrill <jason@redhat.com>
12611 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12612 (push_visibility, pop_visibility): Likewise.
12613 * c-pragma.h: Declare them.
12615 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12617 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12619 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12620 parameter and use get_ebb_head_tail.
12621 (sh_md_init_global): Adjust uses of find_regmode_weight.
12623 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12625 * function.h (struct function) <x_tail_recursion_reentry>:
12626 Rename to x_stack_check_probe_note.
12627 (tail_recursion_reentry): Rename to stack_check_probe_note.
12628 * function.c: Replace tail_recursion_reentry with
12629 stack_check_probe_note everywhere.
12630 (expand_function_start): Only emit a note for
12631 stack_check_probe_note with -fstack-protect.
12632 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12634 * emit-rtl.c (remove_unnecessary_notes): Remove.
12635 (pass_remove_unnecessary_notes): Remove.
12636 * rtl.h (remove_unnecessary_notes): Remove prototype.
12637 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12638 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12639 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12641 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12644 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12645 (valid_in_set): Handle ARRAY_REF.
12646 Change "if min_variant or VH" to asserts.
12647 (create_component_ref_by_pieces): Handle ARRAY_REF.
12648 (create_expression_by_pieces): Likewise.
12649 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12651 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12653 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12654 is operand of switch, not str[0].
12656 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12658 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12659 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12661 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12663 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12664 end of insn_extra_address_constraint declaration.
12666 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12668 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12669 (no-sum-in-toc): Same.
12670 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12672 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12673 NO_FP_IN_TOC for -fPIC instead of mask.
12675 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12676 (BOOT_LDFLAGS): Delete.
12678 * config/rs6000/t-aix52: Same.
12680 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12681 (stmsi[345678]_power): New.
12683 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12685 * config/ia64/ia64.opt: Add empty line to end of file.
12687 2006-03-17 Richard Guenther <rguenther@suse.de>
12689 PR middle-end/26721
12690 * builtins.c (get_pointer_alignment): For component style references
12691 adjust alignment to the component type alignment. Make sure
12692 to adjust alignment for component access of constants.
12694 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12696 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12697 unconditional jump.
12699 2006-03-17 Paul Brook <paul@codesourcery.com>
12701 * doc/install.texi: Docuemnt --with-mode.
12702 * config.gcc: Add --with-mode for arm*-*-*.
12703 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12705 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12707 * sh.c (max_labelno_before_reorg): New variable.
12708 (sh_reorg): Initialize it.
12709 (find_barrier): Check max_labelno_before_reorg before using
12710 label_to_alignment. Take length of explicit alignment insns
12711 into account. When seeing a UNSPECV_CONST_END, return it.
12713 * sh.c (fixup_mova): Set mode of affected label to QImode.
12714 (untangle_mova): New function.
12715 (find_barrier): Use it. Check mode of label before decrementing
12717 (sh_reorg): Likewise.
12718 Set mode of all insns back to VOIDmode.
12720 * sh.c (MOVA_LABELREF): New macro.
12721 (mova_p, fixup_mova, sh_reorg): Use it.
12722 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12723 ADDR_DIFF_VEC matches mova.
12725 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12727 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12728 with ATTRIBUTE_UNUSED.
12730 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12732 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12733 pointer, instead of assuming it is possible to derive the
12734 correct args size from a call insn.
12736 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12738 * rtl.h (CONST_INT_P): Define.
12739 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12740 instead of GET_CODE(x) == CONST_INT.
12741 (vax_rtx_costs): Likewise.
12742 (vax_output_int_move): Likewise.
12743 (vax_output_int_add): Likewise.
12744 (legitimate_constant_address_p): Likewise.
12745 (index_term_p): Likewise.
12746 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12747 * config/vax/vax.md (and<mode>3): Likewise.
12748 (ashrsi3): Likewise.
12750 (movstricthi): Likewise.
12751 (movstrictqi): Likewise.
12752 (rotrsi3): Likewise.
12753 (five unnamed insns): Likewise.
12755 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12757 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12758 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12759 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12760 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12761 Pass to ASM_OUTPUT_DWARF_OFFSET.
12762 * dwarf2out.c (debug_frame_section): New.
12763 (output_call_frame_info): Use debug_frame_section. Pass it to
12764 dw2_asm_output_offset.
12765 (output_die): Pass appropriate section to dw2_asm_output_offset.
12766 (output_compilation_unit_header): Likewise.
12767 (output_pubnames): Likewise.
12768 (output_aranges): Likewise.
12769 (enum dw_val_class): Break dw_val_class_lbl_offset into
12770 dw_val_class_lineptr and dw_val_class_macptr.
12771 (add_AT_lbl_offset): Delete.
12772 (add_AT_lineptr): New.
12773 (add_AT_macptr): New.
12774 (AT_lbl): Expect a lineptr or macptr.
12775 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12776 (attr_checksum): Likewise.
12777 (same_dw_val_p): Likewise.
12778 (size_of_die): Likewise.
12779 (value_format): Likewise.
12780 (output_die): Likewise.
12781 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12783 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12784 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12785 * config/darwin-protos.h (darwin_file_start): New.
12786 (darwin_asm_output_dwarf_offset): New.
12787 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12788 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12790 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12791 if not EH section; simplify.
12792 (darwin_file_start): New.
12793 (darwin_asm_output_dwarf_offset): New.
12794 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12796 (DEBUG_INFO_SECTION): Likewise.
12797 (DEBUG_ABBREV_SECTION): Likewise.
12798 (DEBUG_ARANGES_SECTION): Likewise.
12799 (DEBUG_MACINFO_SECTION): Likewise.
12800 (DEBUG_LINE_SECTION): Likewise.
12801 (DEBUG_LOC_SECTION): Likewise.
12802 (DEBUG_PUBNAMES_SECTION): Likewise.
12803 (DEBUG_STR_SECTION): Likewise.
12804 (DEBUG_RANGES_SECTION): Likewise.
12805 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12806 (ASM_OUTPUT_DWARF_OFFSET): New.
12808 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12810 * config.gcc (tm_defines): Always add to previous value rather
12813 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12815 * config/mips/predicates.md (splittable_const_int_operand): New,
12816 split from move_operand.
12817 (splittable_symbolic_operand): New.
12818 (move_operand): Add commentary. Use splittable_const_int_operand.
12819 Inline mips_atomic_symbolic_constant_p.
12820 * config/mips/mips.md: Add combine splitters for handling moves
12821 of splittable_const_int_operands and splittable_symbolic_operands.
12822 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12823 (mips_split_symbol): Declare.
12824 (mips_move_integer): Declare.
12825 * config/mips/mips.c (mips_split_p): Make global.
12826 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12827 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12828 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12829 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12830 (mips_offset_within_object_p): Handle block symbols.
12831 (mips_atomic_symbolic_constant_p): Delete.
12832 (mips_cannot_force_const_mem): Return false for constants that
12833 mips_legitimize_move can handle.
12834 (mips_use_blocks_for_constant_p): New function.
12835 (mips_split_symbol): Make global.
12836 (mips_move_integer): Likewise. Add a temporary register argument.
12837 (mips_legitimize_const_move): Use splittable_const_int_operand and
12838 splittable_symbolic_operand.
12839 (mips_use_anchors_for_symbol_p): New function.
12840 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12841 (mips_split_p): Declare.
12843 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12845 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12846 (mips*-*-linux*): Likewise.
12848 2006-03-16 Roger Sayle <roger@eyesopen.com>
12849 Daniel Speyer <dspeyer@wam.umd.edu>
12851 PR middle-end/18259
12852 * tree-dump.c (dump_real): New function.
12853 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12854 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12855 (tree-dump.o): Add $(REAL_H) to the dependencies.
12857 2006-03-16 Roger Sayle <roger@eyesopen.com>
12859 PR middle-end/21781
12860 * real.c (real_from_string): If the mantissa is zero, don't bother
12861 parsing the exponent as the result should always be zero.
12863 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12865 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12867 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12869 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12870 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12871 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12872 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12873 ia64_sched_finish_global): New static functions to implement
12874 hooks from gcc_target.sched.
12875 (spec_check_no, max_uid, pending_data_specs): New static variables.
12876 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12877 ia64_spec_check_src_p): New static functions.
12878 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12879 (TARGET_SCHED_ADJUST_COST): Removed.
12880 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12881 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12882 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12883 TARGET_SCHED_GEN_CHECK,
12884 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12885 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12886 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12887 Fixed to handle speculation checks.
12888 (rtx_needs_barrier): Fixed to handle speculative loads and
12890 (ia64_variable_issue): Added code to count speculative loads and their
12892 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12894 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12896 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12898 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12899 (ia64_reorg): Reset stops_p to NULL after it is freed.
12900 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12901 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12902 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12904 (data_speculative, control_speculative, check_load): New attributes.
12905 (mov<mode>_advanced, mov<mode>_speculative,
12906 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12907 zero_extend<mode>di2_speculative,
12908 zero_extend<mode>di2_speculative_advanced): New patterns for
12909 data and control speculative loads.
12910 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12912 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12913 New pattern for data and control speculation checks.
12914 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12915 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12916 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12917 Auxiliary definitions for the patterns.
12918 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12919 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12921 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12923 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12924 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12925 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12926 New resource constraints.
12927 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12929 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12930 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12931 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12932 msched-in-control-spec, msched-ldc, msched-control-ldc,
12933 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12934 msched-prefer-non-control-spec-insns,
12935 msched-count-spec-in-critical-path): New flags to tune speculative
12937 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12938 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12939 msched-in-control-spec, msched-ldc, msched-control-ldc,
12940 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12941 msched-prefer-non-control-spec-insns,
12942 msched-count-spec-in-critical-path): Document new flags.
12944 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12946 * target.h (struct spec_info_def): New opaque declaration.
12947 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12948 speculate_insn, needs_block_p, gen_check,
12949 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12950 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12951 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12952 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12953 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12954 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12956 (TARGET_SCHED): Use new macros.
12957 * rtl.h (copy_DEPS_LIST_list): New prototype.
12958 * sched-int.h (struct sched_info): Change signature of new_ready field,
12959 adjust all initializations. New fields: add_remove_insn,
12960 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12961 region_head_or_leaf_p.
12962 (struct spec_info_def): New structure declaration.
12963 (spec_info_t): New typedef.
12964 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12965 recovery_block, orig_pat.
12966 (glat_start, glat_end): New variables declaraions.
12967 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12969 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12970 DETACH_LIFE_INFO, USE_GLAT.
12971 (enum SPEC_SCHED_FLAGS): New enumeration.
12972 (NOTE_NOTE_BB_P): New macro.
12973 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12974 attach_life_info, debug_spec_status, check_reg_live): New functions.
12975 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12976 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12978 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12979 * ddg.c (get_block_head_tail): Adjust all uses.
12980 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12981 (sms_sched_info): Initialize new fields.
12982 (contributes_to_priority): Removed.
12983 * haifa-sched.c (params.h): New include.
12984 (get_block_head_tail): Adjust all uses.
12985 (ISSUE_POINTS): New macro.
12986 (glat_start, glat_end): New global variables.
12987 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12988 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12989 old_last_basic_block, before_recovery, current_sched_info_var,
12990 rgn_n_insns, luid): New static variables.
12991 (insn_cost1): New function. Move logic from insn_cost to here.
12992 (find_insn_reg_weight1): New function. Move logic from
12993 find_insn_reg_weight to here.
12994 (reemit_notes, move_insn, max_issue): Change signature.
12995 (move_insn1): Removed.
12996 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12997 extend_bb): New static functions to support extension of scheduler's
12999 (generate_recovery_code, process_insn_depend_be_in_spec,
13000 begin_speculative_block, add_to_speculative_block,
13001 init_before_recovery, create_recovery_block, create_check_block_twin,
13002 fix_recovery_deps): New static functions to support
13003 generation of recovery code.
13004 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13005 restore_bb_notes, move_block_after_check, move_succs): New static
13006 functions to support ebb scheduling.
13007 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13008 functions to support handling of register live information.
13009 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13010 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13011 add_jump_dependencies): New static functions.
13012 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13013 consistancy checking.
13014 (debug_spec_status): New function to call from debugger.
13015 (priority): Added code to handle speculation checks.
13016 (rank_for_schedule): Added code to distinguish speculative instructions.
13017 (schedule_insn): Added code to handle speculation checks.
13018 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13019 Fixed to handle ebbs.
13020 (move_insn): Added code to handle ebb scheduling.
13021 (max_issue): Added code to use ISSUE_POINTS of instructions.
13022 (choose_ready): Added code to choose between speculative and
13023 non-speculative instructions.
13024 (schedule_block): Added code to handle ebb scheduling and scheduling of
13025 speculative instructions.
13026 (sched_init): Initialize new variables.
13027 (sched_finish): Free new variables. Print statistics.
13028 (try_ready): Added code to handle speculative instructions.
13029 * lists.c (copy_DEPS_LIST_list): New function.
13030 * sched-deps.c (extend_dependency_caches): New function. Move logic
13031 from create_dependency_caches to here.
13032 (get_dep_weak, ds_merge): Make global.
13033 * genattr.c (main): Code to output prototype for
13034 dfa_clear_single_insn_cache.
13035 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13036 (output_dfa_clean_insn_cache_func): Code to output
13037 dfa_clear_single_insn_cache function.
13038 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13040 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13042 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13043 New static variables.
13044 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13045 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13047 (ebb_sched_info): Initialize new fields.
13048 (get_block_head_tail): Adjust all uses.
13049 (compute_jump_reg_dependencies): Fixed to use glat_start.
13050 (schedule_ebb): Code to remove unreachable last block.
13051 (schedule_ebbs): Added code to update register live information.
13052 * sched-rgn.c (region_sched_info): Initialize new fields.
13053 (get_block_head_tail): Adjust all uses.
13054 (last_was_jump): Removed. Adjust users.
13055 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13056 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13057 Implement new hooks.
13058 (check_dead_notes1): New static function.
13059 (struct region): New fields: dont_calc_deps, has_real_ebb.
13060 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13061 (BB_TO_BLOCK): Fixed to handle EBBs.
13062 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13063 (ebb_head): New static variable.
13064 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13065 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13067 (compute_dom_prob_ps): New assertion.
13068 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13069 global_live_at_start.
13070 (init_ready_list): New assertions.
13071 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13072 (new_ready): Add support for BEGIN_CONTROL speculation.
13073 (schedule_insns): Fixed code that updates register live information
13075 (schedule_region): Fixed to handle EBBs.
13076 (init_regions): Use extend_regions and check_dead_notes1.
13077 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13078 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13079 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13080 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13081 TARGET_SCHED_GEN_CHECK,
13082 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13083 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13084 * doc/invoke.texi (max-sched-insn-conflict-delay,
13085 sched-spec-prob-cutoff): Document.
13087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13089 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13090 inter_tick, queue_index.
13091 (struct sched_info): Change signature of init_ready_list field.
13092 Adjust all initializations.
13093 (RESOLVED_DEPS): New access macro.
13094 (ready_add): Remove prototype.
13095 (try_ready): Add prototype.
13096 * sched-rgn.c (init_ready_list): Use try_ready.
13097 (schedule_region): Initialize
13098 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13099 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13100 (init_ready_list): Use try_ready.
13101 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13102 * lists.c (remove_list_elem): Remove `static'.
13103 (remove_free_INSN_LIST_elem): New function.
13104 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13105 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13106 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13108 (readyp): New variable.
13109 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13110 change_queue_index, resolve_dep): New static functions.
13111 (try_ready): New function. Adjust callers in sched-rgn.c and
13112 sched-ebb.c to use it instead of ready_add.
13113 (clock_var): Move at the begining of file.
13114 (rank_for_schedule): Fix typo.
13115 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13116 (ready_lastpos): Enforce assertion.
13117 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13118 update all callers.
13119 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13120 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13121 (queue_to_ready): Use free_INSN_LIST_list.
13122 (early_queue_to_ready): Fix typo.
13123 (schedule_block): Init readyp. Move init_ready_list call after the
13124 initialization of clock_var. Fix error in rejecting insn by
13125 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13126 that previously corrected INSN_TICKs. Add code for handling
13128 (set_priorities): Fix typo.
13129 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13130 Clarify comment and code that keeps current_sched_info->next_tail
13133 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13135 * sched-rgn.c (extend_rgns): New static function.
13136 (find_rgns): Use it.
13137 (gather_region_statistics, print_region_statistics): New static
13139 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13140 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13142 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13143 Andrey Belevantsev <abel@ispras.ru>
13145 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13146 * lists.c (unused_deps_list): New variable.
13147 (free_list): Add assertions to verify the proper distinguishing
13148 between INSN_LISTs and DEPS_LISTs.
13149 (find_list_elem, remove_list_elem, remove_list_node): New static
13151 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13152 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13153 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13154 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13156 (free_INSN_LIST_node): Likewise.
13157 * modulo-sched.c (current_sched_info): Initialize flags field.
13158 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13159 * rtl.def (DEPS_LIST): Define.
13160 * rtl.h: Declare new functions from lists.c.
13161 * sched-deps.c (spec_dependency_cache): New static variable.
13162 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13163 (add_dependence): Change return type to void. Move the logic to ...
13164 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13165 (delete_all_dependences): Add comment about forward_dependency_cache.
13166 Handle spec_dependency_cache. Handle DEPS_LISTs.
13167 (fixup_sched_groups): Clarify the change of priority of output
13168 and anti dependencies.
13169 (sched_analyze_2): Adjust add_dependence calls to create data
13170 speculative dependence.
13171 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13172 Adjust all callers. Handle DEPS_LISTS.
13173 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13174 presence of speculation.
13175 (init_dependency_caches, free_dependency_caches):
13176 Handle spec_dependency_cache.
13177 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13178 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13179 New static functions.
13180 (add_or_update_back_dep, add_or_update_back_forw_dep,
13181 add_back_forw_dep, delete_back_forw_dep): New functions.
13182 * sched-int.h (ds_t, dw_t): New typedefs.
13183 (struct sched_info): Add new field flags.
13184 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13185 Prototype new sched-deps.c functions.
13186 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13187 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13188 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13189 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13190 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13191 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13193 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13195 * sched-rgn.c (current_sched_info): Initialize flags field.
13196 (schedule_insns): Initialize current_sched_info before the sched_init
13198 * sched-ebb.c (current_sched_info): Initialize flags field.
13199 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13200 Call add_or_update_back_dep instead of add_dependence.
13201 Create control speculative dependencies.
13202 (schedule_insns): Initialize current_sched_info before the sched_init
13205 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13207 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13209 (sh_fallback_frame_state): Likewise.
13211 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13213 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13214 Do switch on default_use_cxa_atexit.
13215 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13216 * config/darwin-crt3.o: New.
13217 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13218 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13219 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13221 * config/rs6000/t-darwin: Move crt2.o building to here.
13222 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13223 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13226 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13228 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13229 from '! xxx' to '!xxx' for coding-style conformance.
13230 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13231 (EXTRA_CONSTRAINT): Likewise.
13232 * config/vax/vax.md (four unnamed insns): Likewise.
13234 2006-03-15 Paul Brook <paul@codesourcery.com>
13236 * config/arm/arm.c (minipool_pad): New.
13237 (add_minipool_forward_ref): Include pool alignment padding in address
13239 (push_minipool_fix): Set minipool_pad.
13240 (minipool_pad): Ditto.
13242 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13244 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13245 instead of GET_CODE() == MEM and REG_P() instead of
13247 (print_operand_address): Likewise.
13248 (vax_address_cost): Likewise.
13249 (vax_rtx_costs): Likewise.
13250 (vax_notice_update_cc): Likewise.
13251 (vax_output_int_add): Likewise.
13252 (INDEX_REGISTER_P): Likewise.
13253 (BASE_REGISTER_P): Likewise.
13254 (nonindexed_address_p): Likewise.
13255 (vax_mode_dependent_address_p): Likewise.
13256 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13257 (PRINT_OPERAND): Likewise.
13258 * config/vax/vax.md (ashlsi3): Likewise.
13259 (ashlsi3): Likewise.
13260 (some more unnamed insns): Likewise.
13262 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13264 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13265 iterator-style macro.
13266 (mark_control_dependent_edges_necessary): Update the use of
13267 EXECUTE_IF_CONTROL_DEPENDENT.
13269 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13271 * config/sh/predicates.md (cache_address_operand): Special.
13272 (ua_address_operand): Likewise.
13274 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13276 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13278 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13280 2006-03-15 Andreas Schwab <schwab@suse.de>
13282 * gensupport.c (identify_predicable_attribute): Don't free p_false
13283 when it is still in use.
13285 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13287 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13288 the default setting here.
13290 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13292 * tree-pass.h (pass_cfg): Remove.
13293 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13294 * passes.c (pass_cfg): Don't run it.
13296 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13298 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13299 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13301 (stack_regs_mentioned): Update the uses of
13302 stack_regs_mentioned_data. Don't access the array beyond its
13304 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13305 Don't include gt-reg-stack.h.
13307 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13308 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13310 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13312 PR middle-end/26684
13313 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13316 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13318 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13320 2006-03-14 Richard Guenther <rguenther@suse.de>
13322 PR tree-optimization/26672
13323 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13326 2006-03-14 Richard Guenther <rguenther@suse.de>
13328 PR tree-optimization/26667
13329 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13330 node for the callees. Always allow inlining if it will shrink
13333 2006-03-14 Richard Guenther <rguenther@suse.de>
13335 PR middle-end/26659
13336 * builtins.c (get_pointer_alignment): Prefer alignment
13337 information from decls over that from types.
13339 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13342 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13344 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13346 * config/rs6000/rs6000.opt (mdlmzb): New option.
13347 (msched-prolog, msched-epilog): Use Var not Mask.
13348 * doc/invoke.texi (-mdlmzb): Document.
13349 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13351 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13352 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13354 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13356 PR rtl-optimization/25739
13357 * bt-load.c (augment_live_range): Free tos pointer.
13359 * gensupport.c (identify_predicable_attribute): Free
13361 * gcov.c (create_file_names): Free name pointer.
13363 2006-03-13 Roger Sayle <roger@eyesopen.com>
13365 PR middle-end/26557
13366 * stmt.c (emit_case_nodes): Handle the case where the index is a
13367 CONST_INT, where the comparison mode is specified by the index type.
13369 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13371 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13374 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13376 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13377 (*branch_fp_inverted): Likewise.
13379 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13381 PR middle-end/25989
13382 * omp-low.c (expand_omp_for_generic): Mark istart0
13383 and iend0 as addressable.
13385 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13387 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13389 2006-03-13 Jeff Law <law@redhat.com>
13391 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13392 virtual operands are interesting.
13393 (vrp_visit_stmt): Corresponding changes.
13395 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13397 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13399 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13400 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13401 * config/bfin/crti.S: Use it instead of __PIC__.
13402 * config/bfin/crtn.S: Likewise.
13404 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13405 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13407 Lose 'G' modifier for call operand.
13408 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13409 recognize 'G' modifier.
13411 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13413 PR middle-end/18859
13414 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13415 * stmt.c (expand_case): Likewise.
13417 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13419 PR rtl-optimization/26254
13420 * loop-invariant.c (seq_insns_valid_p): New function.
13421 (move_invariant_reg): Only emit new code if it is valid.
13423 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13425 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13427 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13428 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13429 (commit_one_edge_insertion): Do not look for loop notes.
13431 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13433 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13434 flag_test_coverage out of loop.
13436 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13438 * final.c (shorten_branches): Remove outdated comment, and turn
13439 the if branch that guards it to continue.
13441 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13443 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13444 * cfgloop.h (struct loop): Remove unused fields.
13446 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13448 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13449 (-dL, -fdump-rtl-loop2): Update the dump file names
13451 * doc/invoke.texi: Update dump file names.
13453 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13455 * predict.c (estimate_probability): Remove.
13456 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13457 * basic-block.h (estimate_probability): Remove prototype.
13458 * passes.c (finish_optimization_passes): Dump branch prediction or
13459 profiling heuristics to the .profile tree dump.
13460 (init_optimization_passes): Unqueue pass_branch_prob.
13462 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13464 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13466 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13467 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13469 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13471 * function.h (frame_offset_overflow): Declare.
13472 * function.c (frame_offset_overflow): New function.
13473 (assign_stack_local_1): Call it to detect that the offset overflows.
13474 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13476 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13478 * config/sh/sh.c: Include alloc-pool.h.
13479 (label_ref_list_pool): New alloc pool.
13480 (label_ref_list_t): New type for lists of labels.
13481 (struct pool_node): Make wend a label_ref_list_t.
13482 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13484 (dump_table): Likewise.
13485 (sh_reorg): Set up the alloc pool before using add_constant and
13486 dump_table, and destroy it when finishing.
13488 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13490 * config/mips/mips.c: Remove redundant comment.
13492 2006-03-10 Jason Merrill <jason@redhat.com>
13495 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13496 the target was declared 'register'.
13498 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13500 * genpreds.c (write_insn_constraint_len): Change definition of
13501 insn_constraint_len to return size_t to match the declaration.
13503 2006-03-10 DJ Delorie <dj@redhat.com>
13505 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13507 (m32c_expand_insv): Fix test for an AND mask.
13509 2006-03-10 Richard Guenther <rguenther@suse.de>
13511 PR middle-end/26565
13512 * builtins.c (get_pointer_alignment): Handle component
13513 references for field alignment.
13515 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13517 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13518 when building with libgloss.
13519 (sh*elf): Implement --without-fp option.
13520 (sh64-superh-linux*): Don't multilib.
13522 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13524 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13526 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13528 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13529 Set it when one of the replacement functions returned true.
13530 Return TODO_cleanup_cfg if cfgchanged is true.
13531 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13533 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13535 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13536 instead of gen_lowpart.
13538 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13540 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13542 (mips_output_order_conditional_branch): Declare.
13543 * config/mips/mips.h (MIPS_BRANCH): New macro.
13544 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13545 for the comparison. Use gen_condjump.
13546 (mips_output_conditional_branch): Rework interface to take the
13547 asm templates for a direct branch and the inverse of a direct branch.
13548 (mips_output_order_conditional_branch): New function.
13549 (mips_builtin_branch_and_move): New function.
13550 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13551 branch condition. Use gen_single_cc as the condition for
13552 __builtin_mips_upper_* or __builtin_mips_lower_*.
13553 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13554 Use VOIDmode for the branch condition.
13555 * config/mips/predicates.md (order_operator): New predicate.
13556 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13557 (branch_fp): Rename to...
13558 (*branch_fp): ...this. Remove mode from comparison operator.
13559 Use new mips_output_conditional_branch interface.
13560 (branch_fp_inverted): Rename to...
13561 (*branch_fp_inverted): ...this and update as for *branch_fp.
13562 (*branch_zero<mode>): Rename to...
13563 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13564 Use mips_output_order_conditional_branch. Only accept ordered
13566 (*branch_zero<mode>_inverted): Rename to...
13567 (*branch_order<mode>_inverted): ...this and update as for
13568 *branch_order<mode>.
13569 (*branch_equality<mode>): Accept zero as the second operand to
13570 the equality operator. Use the new mips_output_conditional_branch
13572 (*branch_equality<mode>_inverted): Likewise.
13573 (condjump): New expander.
13574 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13576 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13577 (bc1any2t, bc1any2f): Likewise.
13578 (single_cc): New expander.
13579 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13581 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13583 * doc/md.texi: Update documentation of MIPS constraints.
13584 * config/mips/constraints.md: New file.
13585 * config/mips/mips.md: Include it.
13586 * config/mips/mips.c (mips_char_to_class): Delete.
13587 (override_options): Don't initialize mips_char_to_class.
13588 * config/mips/mips.h (mips_char_to_class): Delete.
13589 (REG_CLASS_FROM_LETTER): Delete.
13590 (CONST_OK_FOR_LETTER_P): Delete.
13591 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13592 (EXTRA_CONSTRAINT_Y): Delete.
13593 (EXTRA_CONSTRAINT_STR): Delete.
13594 (CONSTRAINT_LEN): Delete.
13595 (EXTRA_MEMORY_CONSTRAINT): Delete.
13597 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13599 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13600 original fn's eh regions.
13602 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13604 * fold-const.c (build_range_check): Make sure to use a valid type to
13605 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13608 (range_predecessor): New static function.
13609 (range_successor): Likewise.
13610 (merge_ranges): Use them to compute predecessors and successors of
13613 2006-03-09 Roger Sayle <roger@eyesopen.com>
13615 PR middle-end/26561
13616 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13617 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13619 2006-03-08 DJ Delorie <dj@redhat.com>
13621 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13622 (addpsi3): Expand to include memory operands. Remove
13623 reload-specific splits.
13624 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13625 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13626 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13627 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13628 (shift1_qi, shift1_hi, insv): New.
13629 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13630 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13631 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13633 * config/m32c/m32c-protos.h: Update as needed.
13634 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13635 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13636 Fail for unrecognized R* constraints.
13637 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13638 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13639 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13641 (m32c_init_libfuncs): New.
13642 (m32c_legitimate_address_p): Add debug wrapper.
13643 (m32c_rtx_costs): New.
13644 (m32c_address_cost): New.
13645 (conversions): Add 'B' prefix.
13646 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13647 operands, or word regnames for QI operands. 'B' prints bit
13649 (m32c_expand_setmemhi): New.
13650 (m32c_expand_movmemhi): New.
13651 (m32c_expand_movstr): New.
13652 (m32c_expand_cmpstr): New.
13653 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13654 (m32c_expand_neg_mulpsi3): Handle non-ints.
13655 (m32c_cmp_flg_0): New.
13656 (m32c_expand_movcc): New.
13657 (m32c_expand_insv): New.
13658 (m32c_scc_pattern): New.
13659 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13660 a0/a1 out of SIregs.
13661 (STORE_FLAG_VALUE): New.
13662 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13665 * config/m32c/mov.md: Make constraints more liberal.
13666 (zero_extendqihi2): Optimize r0/r1 case.
13667 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13668 * config/m32c/predicates.md (m32c_any_operand): New.
13669 (m32c_nonimmediate_operand): New.
13670 (m32c_hl_operand): New.
13671 (m32c_r3_operand): New.
13674 (memsym_operand): New.
13675 (memimmed_operand): New.
13676 (a_qi_operand): New.
13677 (m32c_eqne_operator): New.
13678 (m32c_1bit8_operand): New.
13679 (m32c_1bit16_operand): New.
13680 (m32c_1mask8_operand): New.
13681 (m32c_1mask16_operand): New.
13682 * config/m32c/blkmov.md: New file.
13683 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13685 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13687 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13688 unsigned to fix signed/unsigned comparison issue in
13689 DWARF2_FRAME_REG_OUT.
13690 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13691 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13693 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13694 of ptr into the ENABLE_CHECKING section.
13696 2006-03-08 Jeff Law <law@redhat.com>
13698 * tree-vrp.c (infer_value_range): Only count pointer uses
13699 and dereferences if -fdelete-null-pointer-checks is enabled.
13701 * tree-vrp.c (find_assert_locations): Infer value ranges for
13702 single use pointers, but do not create ASSERT_EXPRs for them.
13703 When a non-null range is inferred for a pointer, backwards
13704 propagate that range to other equivalent pointers through the
13707 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13710 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13711 language hook targets.
13712 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13713 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13714 if language hook targets were missing.
13716 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13718 * tree-ssa-opfinalize.h: Removed.
13719 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13721 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13722 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13723 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13724 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13725 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13726 finalize_ssa_v_must_def_ops): New.
13728 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13730 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13731 block as parameter.
13733 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13735 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13737 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13738 addresses with offsets; reorganize.
13740 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13741 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13742 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13744 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13747 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13749 2006-03-08 Ben Elliston <bje@au.ibm.com>
13751 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13753 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13756 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13759 2006-03-07 Richard Guenther <rguenther@suse.de>
13761 PR tree-optimization/26587
13762 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13764 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13766 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13768 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13770 * hooks.c (hook_bool_mode_rtx_true): New function.
13771 * hooks.h (hook_bool_mode_rtx_true): Declare.
13772 * toplev.c (compile_file): Call output_shared_constant_pool.
13773 * varasm.c (shared_constant_pool): New variable.
13774 (assemble_start_function, assemble_end_function): Remove arguments
13775 from call to output_constant_pool.
13776 (create_constant_pool): New function, split out from...
13777 (init_varasm_status): ...here.
13778 (force_const_mem): Choose between the shared and per-function constant
13779 pools. Set current_function_uses_const_pool when reusing old entries
13780 as well as when creating new ones.
13781 (mark_constant): Ignore data argument.
13782 (mark_constants): Remove pool argument.
13783 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13784 to decide whether the function uses a constant pool.
13785 (output_constant_pool_contents): New function, split out from...
13786 (output_constant_pool): ...here.
13787 (output_shared_constant_pool): New function.
13788 (init_varasm_once): Initialize shared_constant_pool.
13789 * output.h (output_constant_pool): Delete.
13790 (output_shared_constant_pool): Declare.
13791 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13792 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13794 2006-03-06 Nick Clifton <nickc@redhat.com>
13796 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13797 flag_strength_reduce.
13799 2006-03-06 Ben Elliston <bje@au.ibm.com>
13801 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13802 x86_64-*-linux* configurations.
13804 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13805 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13807 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13809 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13811 * basic-block.h: Remove the extern for
13812 rediscover_loops_after_threading.
13814 * cfgloop.c (cancel_loop): Make it static.
13815 * cfgloop.h: Remove the prototype for cancel_loop.
13817 * flow.c (recompute_reg_usage): Make it static.
13818 * rtl.h: Remove the prototype for recompute_reg_usage.
13820 * function.c (use_return_register): Make it static.
13821 * function.h: Remove the prototype.
13823 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13825 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13827 * recog.h: Remove the prototype for
13828 validate_change_maybe_volatile.
13830 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13832 * rtlanal.c (replace_reg): Remove.
13833 * rtl.h: Remove the prototype for replace_reg.
13835 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13837 * regclass.c (reg_scan_update): Remove.
13838 (reg_scan_mark_refs): Remove the last argument.
13839 * rtl.h: Remove the prototype for reg_scan_update.
13841 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13843 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13844 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13845 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13846 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13847 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13848 loop-invariant.c, omp-low.c, opts.c, passes.c,
13849 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13850 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13851 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13852 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13853 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13854 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13858 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13859 * dwarf2out.h: Remove the prototype for
13860 dwarf2out_add_library_unit_info.
13862 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13864 * tree.c (add_var_to_bind_expr): Remove.
13865 * tree.h: Remove the prototype for add_var_to_bind_expr.
13867 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13869 * regclass.c (n_non_fixed_regs): Remove.
13870 (init_reg_sets_1, globalize_reg): Remove all uses of
13872 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13874 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13876 * rtlanal.c (insns_safe_to_move_p): Remove.
13877 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13879 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13881 * expmed.c (expand_mult_add): Remove.
13882 * expr.h: Remove the prototype for expand_mult_add.
13884 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13886 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13887 and REG_SAVED_VAL_EXP constants.
13888 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13889 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13890 Handle regs stored by value.
13891 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13892 (execute_cfa_program): Handle DW_CFA_val_offset,
13893 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13894 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13895 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13896 (uw_install_context_1): Handle target regs stored by value.
13898 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13900 * tree-sra.c (tree_sra): Return todoflags;
13901 (generate_one_element): Set TODO_update_smt_usage if needed.
13902 (pass_sra): Remove TODO_update_smt_usage.
13903 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13905 (tree_ssa_forward_propagate_single_use_vars): Return
13906 TODO_update_smt_usage if we need to update SMT usage.
13907 (pass_forwprop): Remove TODO_update_smt_usage.
13909 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13911 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13912 (correct_use_link): Remove reference to get_stmt_operands.
13913 (update_stmt_operands): Likewise.
13914 (get_modify_expr_operands): New function factored out of
13915 parse_ssa_operands and get_expr_operands.
13916 Try to create V_MUST_DEFs for LHS by default.
13917 (get_expr_operands) <case MODIFY_EXPR>: Call
13918 get_modify_expr_operands.
13919 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13920 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13921 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13922 get_modify_expr_operands.
13924 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13926 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13927 * tree-flow.h: Remove the prototype for
13928 referenced_var_lookup_if_exists.
13930 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13932 PR rtl-optimization/26345
13934 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13936 2006-03-03 Roger Sayle <roger@eyesopen.com>
13938 PR tree-optimization/26524
13939 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13940 fold_convert to create a constant of the appropriate type.
13942 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13944 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13945 SYMBOL_REF_IN_BLOCK_P.
13946 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13947 of SYMBOL_FLAG_IN_BLOCK.
13948 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13949 instead of SYMBOL_REF_IN_BLOCK_P.
13950 * explow.c (use_anchored_address): Likewise.
13951 * rtl.c (rtx_size): Likewise.
13952 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13953 instead of SYMBOL_FLAG_IN_BLOCK.
13954 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13955 SYMBOL_REF_IN_BLOCK_P.
13956 (assemble_variable): Likewise.
13957 (output_constant_def_contents): Likewise.
13958 (output_constant_pool): Likewise.
13959 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13960 instead of SYMBOL_FLAG_IN_BLOCK.
13961 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13962 SYMBOL_REF_IN_BLOCK_P.
13963 (SYMBOL_REF_BLOCK): Likewise.
13964 (SYMBOL_REF_OFFSET): Likewise.
13965 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13966 SYMBOL_REF_IN_BLOCK_P.
13967 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13968 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13969 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13970 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13972 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13974 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13976 2006-03-02 Roger Sayle <roger@eyesopen.com>
13978 * simplify-rtx.c (simplify_unary_operation): When simplifying
13979 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13980 that we perform the right shift in the appropriate mode, and
13981 then extend or truncate the result to requested mode.
13983 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13985 * gengtype.c (main): Handle double_int type.
13986 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13987 * double-int.c: New file.
13988 * double-int.h: New file.
13989 * system.h: Include doubleint.h.
13990 * Makefile.in (SYSTEM_H): Include double-int.h.
13991 (double-int.o): Add.
13993 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13996 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13999 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14001 * tree-vrp.c (remove_range_assertions): Do not update statements
14004 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14006 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14008 * gcse.c (rest_of_handle_gcse): Ditto.
14009 * except.c (gate_handle_eh): Ditto.
14010 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14011 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14013 2006-03-02 Eric Christopher <echristo@apple.com>
14015 * config/i386/i386.c (machopic_output_stub): Add indirection to
14018 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14022 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14024 Sun Niagara specific optimizations.
14025 * config.gcc: Recognize niagara as target.
14026 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14027 (TARGET_CPU_niagara): Define.
14028 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14029 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14030 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14031 (ASM_CPU_SPEC): Likewise.
14032 (PROCESSOR_NIAGARA): New enum entry.
14033 (REGISTER_MOVE_COST): Handle Niagara.
14034 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14035 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14036 (sparc_override_options): Recognize "niagara", set appropriate
14037 default MASK_* values for it, and align functions to 32-bytes
14038 by default just like ULTRASPARC/ULTRASPARC3.
14039 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14040 (sparc64_initialize_trampoline): Likewise.
14041 (sparc_use_sched_lookahead): Use zero for niagara.
14042 (sparc_issue_rate): Use one for niagara.
14043 * config/sparc/niagara.md: New file.
14044 * config/sparc/sparc.md: Include it.
14045 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14046 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14047 when default cpu is niagara.
14048 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14049 (ASM_CPU_SPEC): Likewise.
14050 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14051 when default cpu is niagara.
14052 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14053 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14054 just like v9/ultrasparc/ultrasparc3.
14055 * doc/invoke.texi: Add documentation for "niagara" and improve
14056 existing documentation for ultrasparc variants.
14058 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14060 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14062 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14064 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14065 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14066 and say that only one is needed.
14067 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14068 * target.h (have_switchable_bss_sections): New hook.
14069 * explow.c (use_anchored_address): Check that the symbol is in a block.
14070 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14071 (bss_noswitch_section): New variables.
14072 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14073 (get_noswitch_section): New function.
14074 (get_block_for_section): Allow SECT to be null.
14075 (unlikely_text_section_p): Use SECTION_STYLE.
14076 (bss_initializer_p): New function.
14077 (get_variable_section): Move earlier in file. Take a new argument,
14078 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14079 Return one of the new *_sections in such cases.
14080 (get_block_for_decl): New function, extracting some logic from
14081 use_blocks_for_decl_p.
14082 (change_symbol_section): Remove in favor of...
14083 (change_symbol_block): ...this new function.
14084 (use_blocks_for_decl_p): Remove checks now performed by
14085 get_block_for_decl.
14086 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14087 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14088 (emit_local, emit_bss, emit_common): ...these new functions.
14089 Return true if the alignment was honored.
14090 (emit_tls_common): New function.
14091 (asm_emit_uninitialised): Delete.
14092 (assemble_variable_noswitch): New function, split out from...
14093 (assemble_variable): ...here. Don't make decisions about common
14094 variables here. Globalize all public decls that go into non-common
14095 sections. Check whether SYMBOL_REF_BLOCK is null.
14096 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14097 (output_constant_pool): Likewise.
14098 (init_varasm_once): Initialize the new section variables.
14099 (have_global_bss_p): New function.
14100 (categorize_decl_for_section): Use bss_initializer_p.
14101 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14102 (place_block_symbol): Assert that the symbol must be in a block.
14103 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14104 (TARGET_INITIALIZER): Include it.
14105 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14106 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14107 (SECTION_MACH_DEP): Bump by two.
14108 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14109 (unnamed_section): Mention SECTION_UNNAMED in comment.
14110 (named_section): Likewise SECTION_NAMED.
14111 (noswitch_section_callback): New type.
14112 (noswitch_section): New structure.
14113 (section): Add a noswitch_section alternative.
14114 (SECTION_STYLE): New macro.
14115 (tls_comm_section, comm_section, lcomm_section): Declare.
14116 (bss_noswitch_section, have_global_bss_p): Declare.
14117 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14118 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14120 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14121 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14124 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14126 * tree-vrp.c (execute_vrp): Return value.
14127 * regrename.c (rest_of_handle_regrename): Ditto.
14128 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14129 * tree-complex.c (tree_lower_complex): Ditto.
14130 (tree_lower_complex_O0): Ditto.
14131 * tracer.c (rest_of_handle_tracer): Ditto.
14132 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14133 * postreload.c (rest_of_handle_postreload): Ditto.
14134 * tree-tailcall.c (execute_tail_recursion): Ditto.
14135 (execute_tail_calls): Ditto.
14136 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14137 * tree.h (init_function_for_compilation): Ditto.
14138 * ipa-cp.c (ipcp_driver): Ditto.
14139 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14140 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14141 * final.c (compute_alignments): Ditto.
14142 (rest_of_handle_final): Ditto.
14143 (rest_of_handle_shorten_branches): Ditto.
14144 (rest_of_clean_state): Ditto.
14145 * omp-low.c (execute_expand_omp): Ditto.
14146 (execute_lower_omp): Ditto.
14147 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14148 * ipa-reference.c (static_execute): Ditto.
14149 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14150 * reorg.c (rest_of_handle_delay_slots): Ditto.
14151 (rest_of_handle_machine_reorg): Ditto.
14152 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14153 * flow.c (recompute_reg_usage): Ditto.
14154 (rest_of_handle_remove_death_notes): Ditto.
14155 (rest_of_handle_life): Ditto.
14156 (rest_of_handle_flow2): Ditto.
14157 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14158 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14159 (do_ssa_store_ccp): Ditto.
14160 (execute_fold_all_builtins): Ditto.
14161 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14162 * modulo-sched.c (rest_of_handle_sms): Ditto.
14163 * ipa-pure-const.c (static_execute): Ditto.
14164 * cse.c (rest_of_handle_cse): Ditto.
14165 (rest_of_handle_cse2): Ditto.
14166 * web.c (rest_of_handle_web): Ditto.
14167 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14168 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14169 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14170 * tree-nrv.c (tree_nrv): Ditto.
14171 (execute_return_slot_opt): Ditto.
14172 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14173 (create_structure_vars): Ditto.
14174 * loop-init.c (rtl_loop_init): Ditto.
14175 (rtl_loop_done): Ditto.
14176 (rtl_move_loop_invariants): Ditto.
14177 (rtl_unswitch): Ditto.
14178 (rtl_unroll_and_peel_loops): Ditto.
14179 (rtl_doloop): Ditto.
14180 * gimple-low.c (lower_function_body): Ditto.
14181 (mark_used_blocks): Ditto.
14182 * tree-ssa-sink.c (execute_sink_code): Ditto.
14183 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14184 (cgraph_early_inlining): Ditto.
14185 * global.c (rest_of_handle_global_alloc): Ditto.
14186 * jump.c (cleanup_barriers): Ditto.
14187 (purge_line_number_notes): Ditto.
14188 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14189 (rest_of_handle_if_after_reload): Ditto.
14190 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14191 (tree_ssa_loop_im): Ditto.
14192 (tree_ssa_loop_unswitch): Ditto.
14193 (tree_vectorize): Ditto.
14194 (tree_linear_transform): Ditto.
14195 (tree_ssa_loop_ivcanon): Ditto.
14196 (tree_ssa_empty_loop): Ditto.
14197 (tree_ssa_loop_bounds): Ditto.
14198 (tree_complete_unroll): Ditto.
14199 (tree_ssa_loop_prefetch): Ditto.
14200 (tree_ssa_loop_ivopts): Ditto.
14201 (tree_ssa_loop_done): Ditto.
14202 * predict.c (tree_estimate_probability): Ditto.
14203 * recog.c (split_all_insns_noflow): Ditto.
14204 (rest_of_handle_peephole2): Ditto.
14205 (rest_of_handle_split_all_insns): Ditto.
14206 * tree-eh.c (lower_eh_constructs): Ditto.
14207 * regmove.c (rest_of_handle_regmove): Ditto.
14208 (rest_of_handle_stack_adjustments): Ditto.
14209 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14210 * function.c (instantiate_virtual_regs): Ditto.
14211 (init_function_for_compilation): Ditto.
14212 (rest_of_handle_check_leaf_regs): Ditto.
14213 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14214 (rest_of_handle_gcse): Ditto.
14215 * ipa-type-escape.c (type_escape_execute): Ditto.
14216 * alias.c (rest_of_handle_cfg): Ditto.
14217 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14218 * profile.c (rest_of_handle_branch_prob): Ditto.
14219 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14220 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14221 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14222 * tree-dfa.c (find_referenced_vars): Ditto.
14223 * except.c (set_nothrow_function_flags): Ditto.
14224 (convert_to_eh_region_ranges): Ditto.
14225 (rest_of_handle_eh): Ditto.
14226 * emit-rtl.c (unshare_all_rtl): Ditto.
14227 (remove_unnecessary_notes): Ditto.
14228 * except.h (set_nothrow_function_flags): Ditto.
14229 (convert_to_eh_region_ranges): Ditto.
14230 * cfgexpand.c (tree_expand_cfg): Ditto.
14231 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14232 * tree-ssa-pre.c (do_pre): Ditto.
14233 (execute_fre): Ditto.
14234 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14235 (rest_of_handle_jump2): Ditto.
14236 * tree-sra.c (tree_sra): Ditto.
14237 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14238 (execute_mudflap_function_decls): Ditto.
14239 * tree-ssa-copy.c (do_copy_prop): Ditto.
14240 (do_store_copy_prop): Ditto.
14241 * ipa-prop.h (ipcp_driver): Ditto.
14242 * cfglayout.c (insn_locators_initialize): Ditto.
14243 * tree-ssa-forwprop.c
14244 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14245 * cfglayout.h (insn_locators_initialize): Ditto.
14246 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14247 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14248 (execute_late_warn_uninitialized): Ditto.
14249 * rtl.h (cleanup_barriers): Ditto.
14250 (split_all_insns_noflow): Ditto.
14251 (purge_line_number_notes): Ditto.
14252 (unshare_all_rtl): Ditto.
14253 (remove_unnecessary_notes): Ditto.
14254 (recompute_reg_usage): Ditto.
14255 (variable_tracking_main): Ditto.
14256 * integrate.c (emit_initial_value_sets): Ditto.
14257 * integrate.h (emit_initial_value_sets): Ditto.
14258 * tree-optimize.c (execute_free_datastructures): Ditto
14259 (execute_free_cfg_annotations): Ditto.
14260 (execute_fixup_cfg): Ditto.
14261 (execute_cleanup_cfg_pre_ipa): Ditto.
14262 (execute_cleanup_cfg_post_optimizing): Ditto.
14263 (execute_init_datastructures): Ditto.
14264 * tree-object-size.c (compute_object_sizes): Ditto.
14265 * combine.c (rest_of_handle_combine): Ditto.
14266 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14267 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14268 (rest_of_handle_reorder_blocks): Ditto.
14269 (rest_of_handle_partition_blocks): Ditto.
14270 * var-tracking.c (variable_tracking_main): Ditto.
14271 * tree-profile.c (tree_profiling): Ditto.
14272 * tree-vect-generic.c (expand_vector_operations): Ditto.
14273 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14274 * sched-rgn.c (rest_of_handle_sched): Ditto.
14275 (rest_of_handle_sched2): Ditto.
14276 * basic-block.h (free_bb_insn): Ditto.
14277 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14278 * tree-cfg.c (execute_build_cfg): Ditto.
14279 (remove_useless_stmts): Ditto.
14280 (split_critical_edges): Ditto.
14281 (execute_warn_function_return): Ditto.
14282 (execute_warn_function_noreturn): Ditto.
14283 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14284 * cfgrtl.c (free_bb_for_insn): Ditto.
14285 * passes.c (execute_one_pass): Run additional
14286 todos returned by execute function.
14287 * tree-pass.h (struct tree_opt_pass): Make execute
14290 2006-03-02 Richard Guenther <rguenther@suse.de>
14292 * tree-ssa-alias.c (find_used_portions): Consider taking
14293 the address as making the variable not write-only.
14295 2006-03-02 Nick Clifton <nickc@redhat.com>
14297 * config.gcc (default_use_cxa_atexit): Extend the description of
14298 this configure variable. Set its default value to "yes" for
14299 Linux, NetBSD and ELF targets on the assumption that they will
14300 use C libraries with the __cxa_atexit function.
14302 2006-03-02 Ben Elliston <bje@au.ibm.com>
14304 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14305 parameter as unused to suppress a build warning.
14307 2006-03-02 Ben Elliston <bje@au.ibm.com>
14309 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14312 2006-03-01 Roger Sayle <roger@eyesopen.com>
14315 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14316 declared name, the weak reference name, and the typeof name.
14317 (__gthrw): Avoid expanding the declared name suffix.
14318 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14320 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14322 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14324 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14325 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14326 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14327 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14328 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14329 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14330 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14331 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14332 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14333 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14334 (DW_END_default, DW_END_big, DW_END_little): New.
14335 (DW_END_lo_user, DW_END_hi_user): Define.
14336 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14337 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14338 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14341 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14343 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14345 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14347 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14349 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14351 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14352 to 'symbol_mem_tag'.
14354 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14357 2006-03-01 Roger Sayle <roger@eyesopen.com>
14359 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14361 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14364 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14365 MACHO_DYNAMIC_NO_PIC_P.
14366 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14368 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14371 * config/darwin-protos.h (darwin_asm_output_anchor):
14373 * config/darwin-sections.def (cstring_section):
14374 Add SECTION_MERGE to the flags.
14375 (literal4_section): Likewise.
14376 (literal8_section): Likewise.
14377 (objc_selector_refs_section): Likewise.
14378 (objc_cls_refs_section): Likewise.
14379 * config/darwin.c (darwin_asm_output_anchor): New
14381 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14383 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14385 Fix PR tree-optimization/26443
14386 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14387 to todo and PROP_tmt_usage to properties_destroyed.
14388 * tree-ssa-ccp.c (pass_ccp): Ditto.
14389 (pass_store_ccp): Ditto.
14390 * tree-ssa-dom.c (pass_dominator): Ditto.
14392 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14394 * tree-ssa-operands.c: Cleanup whitespace.
14395 (get_asm_expr_operands): Move before first invocation.
14396 (get_indirect_ref_operands): Likewise.
14397 (get_tmr_operands): Likewise.
14398 (get_call_expr_operands): Likewise.
14399 (append_def): Likewise.
14400 (append_use): Likewise.
14401 (append_v_may_def): Likewise.
14402 (append_v_must_def): Likewise.
14403 (add_call_clobber_ops): Likewise.
14404 (add_call_read_ops): Likewise.
14405 (add_stmt_operand): Likewise.
14406 (add_virtual_operand): Likewise.
14407 (build_ssa_operands): Likewise.
14409 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14411 PR middle-end/26022
14413 PR middle-end/24437
14414 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14415 with a call expr to ...
14416 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14418 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14420 * tree-vrp.c (extract_range_from_assert): Remove special
14421 handling for types with super-types.
14423 2006-03-01 Ben Elliston <bje@au.ibm.com>
14425 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14426 and powerpc64-*-linux* configurations.
14427 * config/t-dfprules: New file.
14429 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14430 Compile dfp-bit.c from the source directory using -DWIDTH and
14431 $DFP_CFLAGS to control the compilation of that file, rather than
14432 generating width-specific versions in the build directory.
14433 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14434 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14436 2006-02-28 Zack Weinberg <zackw@panix.com>
14438 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14441 2006-02-28 Eric Christopher <echristo@apple.com>
14443 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14444 Set up IN_LIBGCC definition of TARGET_64BIT.
14445 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14447 2006-02-28 Roger Sayle <roger@eyesopen.com>
14449 PR middle-end/14752
14450 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14451 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14452 cases via the construction of "expr != 0".
14454 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14456 * alias.c (alias_invariant, alias_invariant_size): Remove.
14457 (record_base_value): Remove.
14458 (memrefs_conflict_p): Don't look at alias_invariant.
14459 (end_alias_analysis): Don't free it.
14460 * alias.h (record_base_value): Remove prototype.
14462 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14463 Adam Nemet <anemet@caviumnetworks.com>
14465 * rtl.h (truncated_to_mode): Declare it.
14466 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14467 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14468 (RTL_HOOKS_INITIALIZER): Include it.
14469 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14470 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14471 reg_truncated_to_mode.
14472 * rtlanal.c (truncated_to_mode): Define it.
14473 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14475 2006-02-28 Jeff Law <law@redhat.com>
14477 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14478 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14479 the range allowed by TYPE_PRECISION.
14481 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14483 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14485 PR tree-optimization/26419
14486 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14489 2006-02-27 Zack Weinberg <zackw@panix.com>
14491 * doc/md.texi: Fix typo in previous change.
14493 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14497 2006-02-27 Zack Weinberg <zackw@panix.com>
14499 * rtl.def (define_constraint, define_register_constraint)
14500 (define_memory_constraint, define_address_constraint): New MD forms.
14501 * gensupport.c (process_rtx): Put define_constraint etc on the
14503 * genpreds.c (process_define_predicate): Adjust comment. Validate
14504 the name, and call validate_exp to validate the expression.
14505 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14506 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14507 all callers changed.
14508 (validate_exp, needs_variable, struct constraint_data)
14509 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14510 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14511 (const_dbl_constraints, constraint_max_namelen)
14512 (have_register_constraints, have_memory_constraints)
14513 (have_address_constraints, have_address_constraints)
14514 (have_extra_constraints, have_const_int_constraints)
14515 (have_const_dbl_constraints, mangle, add_constraint)
14516 (process_define_constraint, process_define_register_constraint)
14517 (write_enum_constraint_num, write_lookup_constraint)
14518 (write_insn_constraint_len, write_regclass_for_constraint)
14519 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14520 (write_insn_extra_memory_constraint)
14521 (write_insn_extra_address_constraint)
14522 (write_satisfies_constraint_fns): New.
14523 (write_tm_preds_h): If we have new-style constraint definitions,
14524 prototype the functions generated from them, and define the
14525 old constraint interface (still used by generic code) in terms of
14527 (write_insn_preds_c): If we have new-style constraint definitions,
14528 generate all relevant functions from those definitions.
14529 (main): Handle define_constraint etc.
14530 * genoutput.c (struct constraint_data, indep_constraints)
14531 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14532 (mdep_constraint_len): New data structures and functions, defined
14533 #ifdef USE_MD_CONSTRAINTS.
14534 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14535 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14536 use new logic to validate operand constraints against constraint
14538 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14540 * defaults.h: If none of the old-style constraint macros are
14541 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14542 old-style macros; and poison REG_CLASS_FROM_LETTER,
14543 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14545 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14546 * doc/md.texi: Document new constraint-definition mechanism and the
14547 C interface it provides. Remove references to old mechanism
14548 elsewhere in the document.
14549 (Machine Constraints): Use pathnames relative to gcc directory,
14550 i.e. config/ARCH/FILE. Change i386 section to refer to
14551 config/i386/predicates.md; update that section to match docstrings.
14552 * doc/tm.texi: Move all documentation of the old constraint-
14553 definition macros to their own section, clearly mark as obsolete.
14555 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14556 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14558 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14559 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14560 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14561 constraint strings.
14562 (splits and peepholes): Use satisfies_constraint_*.
14563 * config/i386/i386.c (memory_address_length)
14564 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14566 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14568 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14569 scalar operation to be put back into the loop.
14571 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14574 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14575 (extract_cie_info): Handle S flag in augmentation string.
14576 (execute_cfa_program): If context->signal_frame, execute also
14577 fs->pc == context->ra instructions.
14578 (uw_frame_state_for): If context->signal_frame, don't subtract one
14579 from context->ra to find FDE.
14580 (uw_update_context_1): Set context->signal_frame to
14582 (_Unwind_GetIPInfo): New function.
14583 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14584 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14586 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14587 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14588 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14589 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14590 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14591 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14592 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14593 x86_64_fallback_frame_state): Set fs->signal_frame.
14594 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14595 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14596 (frob_update_context): Likewise. Workaround missing S flag in
14597 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14598 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14599 Remove the psw_addr + 1 hack.
14601 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14603 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14604 with aggregates here.
14605 (find_func_aliases): Remove code for &<aggregate> from here.
14607 2006-02-26 Roger Sayle <roger@eyesopen.com>
14609 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14610 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14611 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14612 as (X & C) ne/eq 0.
14614 2006-02-26 Roger Sayle <roger@eyesopen.com>
14616 PR middle-end/19983
14617 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14619 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14621 * opts.c (decode_options): Do not handle flag_strength_reduce.
14622 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14623 and OPT_fstrength_reduce.
14624 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14625 flag_prefetch_loop_arrays for being nonzero.
14626 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14628 (fprefetch-loop-arrays-rtl): Removed.
14629 (flag_prefetch_loop_arrays): Do not specify the value.
14631 * doc/passes.texi: Update documentation of loop optimizer
14633 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14634 -frerun-loop-opt): Remove.
14636 2006-02-26 Richard Guenther <rguenther@suse.de>
14638 PR tree-optimization/26421
14639 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14640 in function calls that are ADDR_EXPRs as using the whole structure.
14642 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14644 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14645 * tree-pass.h (pass_loop_optimize): Remove.
14646 * passes.c (pass_loop_optimize): Never run it.
14647 * toplev.c (backend_init): Don't call init_loop.
14648 * opts.c (flag_loop_optimize_set): Remove.
14649 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14650 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14651 the old RTL loop optimizer when profiling enabled.
14652 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14653 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14654 pre-headers for the sake of the old RTL loop optimizer.
14655 * Makefile.in: Remove all references to loop.o.
14657 * doc/invoke.texi: Remove all references to -floop-optimize
14658 and -frerun-loop-opt.
14660 2006-02-26 Zack Weinberg <zackw@panix.com>
14662 * doc/md.texi (Machine Constraints): Refer to all files with paths
14663 relative to gcc directory (i.e. config/CPU/file). Add missing
14664 @table @code ... @end table to M32C subsection.
14666 2006-02-26 Roger Sayle <roger@eyesopen.com>
14668 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14670 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14672 2006-02-26 Roger Sayle <roger@eyesopen.com>
14673 James A. Morrison <phython@gcc.gnu.org>
14675 PR middle-end/21137
14676 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14677 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14678 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14679 signedness of the shift operation.
14681 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14683 PR tree-optimization/26359
14684 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14686 2006-02-25 Roger Sayle <roger@eyesopen.com>
14688 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14689 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14690 as X == 0, and some symmetry related transformations.
14691 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14693 2006-02-25 Roger Sayle <roger@eyesopen.com>
14695 PR middle-end/23673
14696 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14697 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14698 symmetry related transformations. Fold (X^C1) == C2 as
14701 2006-02-25 Juergen Weigert <jw@suse.de>
14702 Richard Guenther <rguenther@suse.de>
14704 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14706 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14708 * combine.c (gen_lowpart_or_truncate): Call
14709 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14711 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14713 * doc/invoke.texi: Move -fopenmp description to "Options for
14715 Remove reference to -lgomp.
14717 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14719 * doc/install.texi: Require GNU tar version 1.14.
14721 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14723 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14724 * doc/invoke.texi (C++ Dialect Options): Document
14725 -fno-use-cxa-get-exception-ptr.
14726 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14727 * configure: Regenerate.
14728 * c.opt (fuse-cxa-get-exception-ptr): New.
14729 * c-opts.c (c_common_handle_option): Handle
14730 OPT_fuse_cxa_get_exception_ptr.
14731 * c-common.c (flag_use_cxa_atexit): Update documentation.
14732 (flag_use_cxa_get_exception_ptr): New.
14733 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14734 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14736 (C_COMMON_OVERRIDE_OPTIONS): New.
14738 2006-02-24 Roger Sayle <roger@eyesopen.com>
14740 PR middle-end/24952
14741 * combine.c (try_combine): Explicitly check whether GET_CODE is
14742 a SET or a CLOBBER, instead on checking that it isn't a USE.
14744 2006-02-24 Roger Sayle <roger@eyesopen.com>
14746 * fold-const.c (fold_comparison): New subroutine of fold_binary
14747 containing transformations common to both the equality and
14748 ordering relational operators, factored out of fold_binary.
14749 (fold_binary): Separate out the equality operators (EQ_EXPR
14750 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14751 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14752 transformations common to both.
14753 (fold_div_compare): Fix latent bugs in the previously unreachable
14754 LT_EXPR and GE_EXPR cases.
14756 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14758 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14759 decl libname for clog to __clog on AIX.
14761 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14763 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14766 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14767 output traceback table for thunks. Localise rs6000_stack_info call.
14769 2006-02-23 Roger Sayle <roger@eyesopen.com>
14770 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14772 * gthr-posix.h (__gthrw): Fix typo in comment.
14774 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14776 * doc/cpp.texi (Character sets): Document that we do support
14777 input files to be in any character set.
14779 2006-02-23 Jeff Law <law@redhat.com>
14781 * tree.h (PHI_ARG_NONZERO): Remove.
14782 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14783 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14784 node to the new node.
14786 PR tree-optimization/26425
14787 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14788 min/max, then assume its varying.
14790 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14792 PR rtl-optimization/26316
14793 * rtlanal.c (enum may_trap_p_flags): New.
14794 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14795 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14796 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14797 (may_trap_after_code_motion_p): New function.
14798 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14799 (find_invariant_insn): Use may_trap_after_code_motion_p.
14800 * rtl.h (may_trap_after_code_motion_p): Declare.
14802 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14804 * emit-rtl.c (immed_double_const): Cleanup.
14806 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14808 Fix PR tree-optimization/26376
14809 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14812 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14814 PR middle-end/26412
14815 * gimplify.c (omp_add_variable): Guard variable size decl test with
14816 DECL_SIZE (decl) check.
14818 2006-02-23 Richard Guenther <rguenther@suse.de>
14820 PR middle-end/26439
14821 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14822 like aggregate types.
14824 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14826 * configure.ac: Add --with{,out}-long-double-128 configure option.
14827 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14828 * configure: Rebuilt.
14829 * config.in: Rebuilt.
14830 * doc/install.texi (Options specification): Document
14831 --with-long-double-128.
14833 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14834 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14835 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14836 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14838 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14840 * config/s390/s390.c (override_options): Handle
14841 TARGET_DEFAULT_LONG_DOUBLE_128.
14843 * config/alpha/alpha.c (override_options): Handle
14844 TARGET_DEFAULT_LONG_DOUBLE_128.
14846 * config/sparc/sparc.c (sparc_override_options): Handle
14847 TARGET_DEFAULT_LONG_DOUBLE_128.
14849 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14851 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14852 (real-install-headers-tar, real-install-headers-cpio)
14853 (real-install-headers-cp): New targets.
14855 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14857 * tree.h (variable_section): Delete.
14858 * varasm.c (variable_section): Delete.
14860 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14862 * install.texi: Add notes on install.texi2html.
14863 (Building in parallel): Do not use footnotes.
14865 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14868 * doc/install.texi (Configuration): Document --disable-libgomp.
14870 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14872 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14874 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14876 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14877 (vec_extractv2df_0_sse): New.
14879 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14881 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14882 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14883 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14884 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14885 to the result of the expression.
14886 (def_cfa_1): Adjust.
14887 (frame_pointer_cfa_offset): Rename to...
14888 (frame_pointer_fb_offset): ... this. Adjust all uses.
14889 (convert_cfa_to_loc_list): Rename to...
14890 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14891 Pass it on to build_cfa_loc.
14892 (compute_frame_pointer_to_cfa_displacement): Rename to...
14893 (compute_frame_pointer_to_fb_displacement): ... this. New
14894 offset parameter. Use it in computation.
14895 (gen_subprogram_die): Compute cfa_fb_offset with the new
14896 macro, and use it to compute the fb loc list and the
14899 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14901 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14902 replaced with register_operand.
14903 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14904 non-DREG is expensive.
14905 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14906 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14909 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14911 * doc/install.texi2html: Use set -e.
14913 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14915 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14916 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14917 * doc/invoke.texi (-fshared-data): Delete.
14918 * common.opt (fshared-data): Delete.
14919 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14920 (assemble_static_space): Remove #if 0 code.
14921 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14922 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14923 * config/cris/cris.h: Remove FIXME.
14925 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14927 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14930 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14932 PR middle-end/26379
14933 * combine.c (simplify_shift_const_1): Disable nested shifts
14934 optimization for vector shifts.
14936 2006-02-20 Roger Sayle <roger@eyesopen.com>
14938 PR tree-optimization/26361
14939 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14940 of unsigned integer types.
14942 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14944 * tree-chrec.c (eq_evolutions_p): New.
14945 * tree-chrec.h (eq_evolutions_p): Declared.
14946 * tree-data-ref.c: Fix formatting.
14947 (datadep_stats, dependence_stats): New.
14949 (print_direction_vector): New.
14950 (dump_data_dependence_relation): Use print_direction_vector.
14951 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14952 (compute_subscript_distance): Static.
14953 (initialize_data_dependence_relation): Static. Get the number
14954 of loops surrounding the references from the callers, and initialize
14955 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14956 base_object_differ_p analyzers.
14957 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14958 compute_overlap_steps_for_affine_1_2,
14959 analyze_subscript_affine_affine): Count the classified dependences.
14960 Print a message when a test failed.
14961 (can_use_analyze_subscript_affine_affine): New.
14962 (analyze_siv_subscript): Compute the data dependences on symbolic
14963 scevs that verify can_use_analyze_subscript_affine_affine.
14964 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14965 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14966 Handle symbolic scevs.
14967 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14969 (subscript_dependence_tester): Moved...
14970 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14971 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14972 DDR_SIZE_VECT instead of getting it in parameter.
14973 (subscript_dependence_tester): ... here. Take as a parameter
14974 loop_nest_depth. Call build_classic_dist_vector and
14975 build_classic_dir_vector.
14976 (compute_affine_dependence): Update subscript_dependence_tester
14977 parameters. Update datadep_stats counters. Call
14978 compute_subscript_distance.
14979 (compute_self_dependence): Save the dist and dir vectors. Call
14980 compute_subscript_distance.
14981 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14982 (compute_all_dependences): Reorder parameters as they were before
14983 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14984 compute_subscript_distance. Update the use of
14985 compute_affine_dependence and initialize_data_dependence_relation.
14986 (find_data_references_in_loop): Handle COMPONENT_REF.
14987 (compute_data_dependences_for_loop): Initialize dependence_stats.
14988 Don't call build_classic_dist_vector and build_classic_dir_vector.
14989 Update the parameters of initialize_data_dependence_relation and
14990 compute_all_dependences. Print the statistics from datadep_stats.
14991 (analyze_all_data_dependences): Static. Not used until the pass for
14992 checking the data dependences is contributed.
14993 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14994 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14995 (initialize_data_dependence_relation, compute_affine_dependence,
14996 analyze_all_data_dependences, compute_subscript_distance): Removed.
14997 (print_direction_vector): New.
14998 * lambda.h (gcd): ... here.
14999 (lambda_vector_gcd): Moved here from gcd_vector.
15000 * lambda-code.c (gcd, gcd_vector): Removed.
15001 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15002 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15004 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15006 * ipa-type-escape.c: Tidy some comments and white space.
15007 * tree-ssa-operands.c: Likewise.
15009 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15012 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15013 (dump_decl_name): Do not walk the decl tree chains.
15014 * tree-pass.h (TDF_CHAIN): Remove.
15016 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15018 * Makefile.in (C): Remove
15020 (.PHONY): Remove C and PROTO
15022 2006-02-20 Roger Sayle <roger@eyesopen.com>
15024 PR middle-end/26236
15025 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15026 deprecated CHAR_TYPE tree code.
15028 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15030 * configure.ac (target_list): Add install-info, dvi, html.
15031 * configure: Regenerate.
15033 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15034 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15035 treelang/Make-lang.in: Do not use double-colon rules.
15037 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15039 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15040 (TMT_USED_ALONE): New macro.
15041 * tree-pass.h (PROP_tmt_usage): New property.
15042 (TODO_update_tmt_usage): New todo.
15043 * tree-ssa-alias.c (updating_used_alone): New variable.
15044 (recalculate_used_alone): New function.
15045 (compute_may_aliases): Set updating_used_alone, call
15046 recalculate_used_alone.
15047 * tree-sra.c (pass_sra): Note that this pass destroys
15048 PROP_tmt_usage, and add TODO_update_tmt_usage.
15049 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15050 * tree-flow.h (updating_used_alone): Prototype.
15051 (recalculate_used_alone): Ditto.
15052 * passes.c (execute_todo): Add code to set updating_used_alone,
15053 and call recalculate.
15054 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15055 for clobber if used alone, and add assert to verify used_alone
15058 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15060 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15061 for non tls symbols added.
15062 (legitimize_address): Do nothing for PLUS expressions if one of the
15063 addends is a tls symbol reference.
15065 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15069 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15071 * Makefile.in (BOOTSTRAPPING): New.
15072 (quickstrap): New definition if BOOTSTRAPPING=yes.
15074 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15075 * configure.ac: Substitute all_selected_languages with the languages
15076 that were configured. For all the other variables except
15077 lang_specs_files, include all the languages in the tree.
15078 * configure: Regenerate.
15080 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15081 if there is one. Run the commands to run fixincludes in the same
15084 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15085 * doc/install.texi: Document exact conventions for searching target tools.
15086 Document --with-build-time-tools. Document toplevel bootstrap. Document
15087 something more about building an Ada cross-compiler. Don't list GNU Make
15088 requirements which affect all platforms.
15090 2006-02-19 Roger Sayle <roger@eyesopen.com>
15092 PR middle-end/19543
15093 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15094 only equivalent if the have both the same mode and precision.
15096 2006-02-20 Ben Elliston <bje@au.ibm.com>
15098 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15100 2006-02-19 Roger Sayle <roger@eyesopen.com>
15101 Steven Bosscher <stevenb.gcc@gmail.com>
15103 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15104 constant pool references to identify stack mode constants.
15105 * rtlanal.c (constant_pool_constant_p): New predicate to check
15106 whether operand is a floating point constant in the pool.
15107 * rtl.h (constant_pool_constant_p): Prototype here.
15108 * loop.c (scan_loop): Avoid hoisting constants from the constant
15109 pool on STACK_REGS targets.
15110 (load_mems): Likewise.
15111 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15112 loads into x87 registers expensive in terms of register pressure.
15114 2006-02-19 Roger Sayle <roger@eyesopen.com>
15116 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15117 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15119 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15121 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15122 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15124 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15126 * doc/invoke.texi: Document -fipa-pta.
15127 * common.opt: Add ipa-pta option.
15128 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15129 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15130 (do_ds_constraint): Ditto.
15131 (get_constraint_for): Only add to referenced_vars if
15132 referenced_vars exists.
15133 (insert_into_field_list): Rewrite to do this unsorted.
15134 (insert_into_field_list_sorted): Rename old insert_into_field_list
15136 (create_function_info_for): Use insert_into_field_list_sorted.
15137 (create_variable_info_for): Rewrite so it uses unsorted version,
15138 since the field list is sorted.
15139 (intra_create_variable_infos): Only add to referenced_vars if
15140 referenced_vars exists.
15141 (ipa_pta_execute): Init heapvars, and delete when done.
15142 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15144 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15146 * doc/install.texi: Add missing `@samp'.
15148 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15150 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15153 2006-02-18 Mark Wielaard <mark@klomp.org>
15155 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15156 who added new 4.1 features, bug fixes and integration support.
15158 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15161 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15162 MEM for ABI_V4 pic.
15164 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15166 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15167 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15168 (copy_insn_1): Likewise. Don't copy each field individually.
15170 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15172 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15173 * rtl.c (rtx_size): Rename variable to...
15174 (rtx_code_size): ...this.
15175 (rtx_size): New function.
15176 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15177 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15179 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15180 * rtl.h (rtx_code_size): New variable.
15181 (rtx_size): Change from a variable to a function.
15182 (RTX_SIZE): Rename to...
15183 (RTX_CODE_SIZE): ...this.
15186 PR tree-optimization/17106
15187 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15188 (Anchored Addresses): New section.
15189 * doc/invoke.texi (-fsection-anchors): Document.
15190 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15191 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15192 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15193 * hooks.c (hook_bool_mode_rtx_false): New function.
15194 * hooks.h (hook_bool_mode_rtx_false): Declare.
15195 * gengtype.c (create_optional_field): New function.
15196 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15197 SYMBOL_REF_IN_BLOCK_P is true.
15198 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15199 (min_anchor_offset, max_anchor_offset): Likewise.
15200 (use_anchors_for_symbol_p): New hook.
15201 * toplev.c (compile_file): Call output_object_blocks.
15202 (target_supports_section_anchors_p): New function.
15203 (process_options): Check that -fsection-anchors is only used on
15204 targets that support it and when -funit-at-a-time is in effect.
15205 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15206 if the decl doesn't have one.
15207 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15208 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15209 of force_const_mem through use_anchored_address.
15210 (expand_expr_constant): New function.
15211 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15212 calling expand_expr for INDIRECT_REF.
15213 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15214 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15215 * expr.h (use_anchored_address): Declare.
15216 * loop-unroll.c: Don't declare rtx vectors here.
15217 * explow.c: Include output.h.
15218 (validize_mem): Call use_anchored_address.
15219 (use_anchored_address): New function.
15220 * common.opt (-fsection-anchors): New switch.
15221 * varasm.c (object_block_htab, anchor_labelno): New variables.
15222 (hash_section, object_block_entry_eq, object_block_entry_hash)
15223 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15224 (use_blocks_for_decl_p, change_symbol_section): New functions.
15225 (get_variable_section): New function, split out from assemble_variable.
15226 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15227 use_blocks_for_decl_p say so. Use change_symbol_section if the
15228 symbol has already been created.
15229 (assemble_variable_contents): New function, split out from...
15230 (assemble_variable): ...here. Don't output any code for
15231 block symbols; just pass them to place_block_symbol.
15232 Use get_variable_section and assemble_variable_contents.
15233 (get_constant_alignment, get_constant_section, get_constant_size): New
15234 functions, split from output_constant_def_contents.
15235 (build_constant_desc): Create a block symbol if use_object_blocks_p
15236 says so. Or into SYMBOL_REF_FLAGS.
15237 (assemble_constant_contents): New function, split from...
15238 (output_constant_def_contents): ...here. Don't output any code
15239 for block symbols; just pass them to place_section_symbol.
15240 Use get_constant_section and get_constant_alignment.
15241 (force_const_mem): Create a block symbol if use_object_blocks_p and
15242 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15243 (output_constant_pool_1): Add an explicit alignment argument.
15244 Don't switch sections here.
15245 (output_constant_pool): Adjust call to output_constant_pool_1.
15246 Switch sections here instead. Don't output anything for block symbols;
15247 just pass them to place_block_symbol.
15248 (init_varasm_once): Initialize object_block_htab.
15249 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15250 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15251 (place_block_symbol, get_section_anchor, output_object_block)
15252 (output_object_block_htab, output_object_blocks): New functions.
15253 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15254 (TARGET_ASM_OUT): Include it.
15255 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15256 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15257 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15258 (TARGET_INITIALIZER): Include them.
15259 * rtl.c (rtl_check_failed_block_symbol): New function.
15260 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15261 (block_symbol, object_block): New structures.
15262 (rtx_def): Add a block_symbol field to the union.
15263 (BLOCK_SYMBOL_CHECK): New macro.
15264 (rtl_check_failed_block_symbol): Declare.
15265 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15266 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15267 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15268 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15269 * output.h (output_section_symbols): Declare.
15270 (object_block): Name structure.
15271 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15272 (default_use_anchors_for_symbol_p): Declare.
15273 * Makefile.in (RTL_BASE_H): Add vec.h.
15274 (explow.o): Depend on output.h.
15275 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15276 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15277 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15278 (rs6000_use_blocks_for_constant_p): New function.
15280 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15282 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15284 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15287 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15290 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15292 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15296 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15298 PR middle-end/26334
15299 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15300 instead of DECL_REGISTER.
15302 2006-02-18 Olivier Hainque <hainque@adacore.com>
15305 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15307 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15310 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15311 * opth-gen.awk: Handle Var and InverseMask together.
15312 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15313 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15314 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15315 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15317 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15318 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15319 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15320 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15321 LINUX_DYNAMIC_LINKER): Define.
15322 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15323 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15325 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15326 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15327 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15328 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15329 (TARGET_C99_FUNCTIONS): Don't define.
15330 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15331 GLIBC_DYNAMIC_LINKER.
15332 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15333 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15334 GLIBC_DYNAMIC_LINKER64): Define.
15335 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15336 LINUX_DYNAMIC_LINKER64.
15337 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15339 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15341 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15343 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15344 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15345 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15347 and LINUX_DYNAMIC_LINKER32.
15348 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15350 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15351 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15352 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15354 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15355 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15356 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15357 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15358 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15359 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15360 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15361 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15362 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15363 LINUX_DYNAMIC_LINKER): Define.
15364 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15365 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15366 GLIBC_DYNAMIC_LINKER64): Define.
15367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15368 LINUX_DYNAMIC_LINKER64.
15369 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15370 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15371 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15372 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15373 LINUX_DYNAMIC_LINKER): Define.
15374 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15375 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15376 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15377 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15378 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15379 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15380 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15381 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15382 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15383 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15384 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15385 * doc/invoke.texi (-muclibc): Remove caveat about supported
15388 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15390 * doc/cpp.texi (__TIMESTAMP__): Document.
15392 2006-02-17 Roger Sayle <roger@eyesopen.com>
15394 PR middle-end/25600
15395 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15396 C is one less than the width of X (and related transformations).
15397 * simplify-rtx.c (simplify_unary_operation_1): Transform
15398 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15399 depending on STORE_FLAG_VALUE, were C is one less then the
15402 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15404 Fix PR tree-optimization/26341
15405 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15406 about NAME_MEMORY_TAG's.
15408 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15411 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15412 with hardware float support, and software float support. Add fcpy
15413 alternative to hardware patterns. Add alternatives to copy between
15414 general and floating-point registers to the 32-bit pattern.
15415 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15416 secondary reload to load a QI or HI mode constant into a floating
15418 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15419 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15421 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15424 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15426 (load_macho_picbase_di): Likewise.
15428 2006-02-16 Jeff Law <law@redhat.com>
15430 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15431 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15432 (ssa_name_nonzero_p): Likewise.
15433 (get_value_range): Return NULL if VRP is not running.
15434 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15435 VRP routines do not discover a range.
15436 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15437 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15438 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15439 (tree_expr_nonnegative_p): Similarly.
15440 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15441 (restore_nonzero_vars_to_original_value): Remove.
15442 (unsafe_associative_fp_binop): Remove.
15443 (tree_ssa_dominator_optimize): Remove initialization and
15444 finalization of nonzero_vars and nonzero_vars_stack.
15445 (dom_opt_initialize_block): No longer push marker on
15446 nonzero_vars_stack.
15447 (dom_opt_finalize_block): No longer call
15448 restore_nonzero_vars_to_original_value.
15449 (record_equivalences_from_phis): No longer look for
15450 nonzero PHI arguments.
15451 (cprop_into_successor_phis): No longer propagate nonzero
15452 property into PHI arguments. Lose unused argument. Caller
15454 (record_equivalences_from_stmt): No longer record nonzero
15455 values for SSA_NAMEs.
15456 (lookup_avail_expr): No longer use nonzero_vars.
15458 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15459 for sizetype when sizetype is unsigned.
15461 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15463 PR rtl-optimization/25603
15464 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15465 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15466 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15467 with new meaning of SETS.
15469 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15474 * config/linux.opt: New file.
15475 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15476 LINUX_DYNAMIC_LINKER): Define.
15477 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15478 * config.gcc (*-*-linux*): Define extra_options.
15479 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15480 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15481 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15482 GLIBC_DYNAMIC_LINKER.
15483 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15484 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15485 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15486 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15487 * doc/invoke.texi (GNU/Linux Options): New section.
15489 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15491 * config/sparc/sparc.md (setjmp): Rewrite.
15492 (setjmp_32): Delete.
15493 (setjmp_64): Likewise.
15495 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15497 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15500 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15502 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15505 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15507 PR rtl-optimization/26296
15508 * Makefile.in (loop-invariant.c): Add except.h dependency.
15509 * loop-invariant.c: Include except.h.
15510 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15512 2005-02-16 Paul Brook <paul@codesourcery.com>
15514 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15517 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15519 PR rtl-optimization/25636
15520 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15521 when deciding whether an insn is an initializing insn.
15523 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15525 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15526 (tree_code_size): Ditto.
15527 * tree.h (struct tree_memory_tag): Remove parent_var.
15528 (struct tree_struct_field_tag): New.
15531 (union tree_node): Add sft member.
15532 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15534 (create_sft): Add size and offset argument, set SFT_OFFSET and
15536 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15537 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15538 * tree-flow-inline.h (get_subvar_at): Update for
15539 SFT_OFFSET/SFT_SIZE.
15540 (var_can_have_subvars): Ditto.
15541 (overlap_subvar): Ditto.
15542 * print-tree.c (print_node): Print out interesting things for
15544 * tree-flow.h (struct subvar): Remove offset and size members.
15545 * tree-ssa-operands.c (get_expr_operands): Update for
15546 get_indirect_ref_operands changes.
15547 (get_indirect_ref_operands): Call add_virtual_operand instead of
15548 add_stmt_operand. Only recurse on base var if requested.
15549 (access_can_touch_variable): New function.
15550 (add_stmt_operand): Split virtual operand handling into ...
15551 (add_virtual_operand): Here. Add offset, size, and for_clobber
15552 arguments. Prune alias sets.
15553 (add_call_clobber_ops): Call add_virtual_operand.
15555 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15557 PR middle-end/26300
15558 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15560 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15561 than TREE_CODE as index into omp_clause_num_ops array.
15563 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15565 PR rtl-optimization/26184
15566 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15568 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15569 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15570 must_precede, must_follow and tobe_scheduled.
15573 * opts.c (common_handle_option): Free new_option pointer.
15574 * df-core.c (df_analyze): Free postorder pointer.
15576 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15578 * Makefile.in: Fix the examples about the use of stamps
15580 2006-02-15 Michael Matz <matz@suse.de>
15582 PR middle-end/22275
15584 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15585 influenced by maximum_field_alignment or DECL_PACKED.
15586 (update_alignment_for_field): Ditto.
15587 (place_field): Ditto.
15588 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15591 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15593 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15594 (debug_flow_info): Pass it.
15595 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15596 * bb-reorder.c (reorder_basic_blocks): Likewise.
15597 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15598 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15599 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15600 * gcse.c (gcse_main, bypass_jumps): Likewise.
15601 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15602 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15603 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15604 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15605 * rtl.h (dump_flow_info): Adjust prototype.
15606 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15607 * var-tracking.c (variable_tracking_main): Likewise.
15608 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15609 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15612 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15614 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15617 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15619 PR tree-optimization/26209
15620 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15621 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15623 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15625 2006-02-14 Roger Sayle <roger@eyesopen.com>
15627 PR middle-end/23670
15628 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15629 (X,Y) and the corresponding symmetry related transformations.
15630 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15631 (X,Y) and its symmetry related transformations.
15633 2006-02-14 Roger Sayle <roger@eyesopen.com>
15635 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15638 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15640 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15642 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15645 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15646 support COMDAT group.
15647 * configure: Regenerate.
15649 2006-02-14 Roger Sayle <roger@eyesopen.com>
15651 PR middle-end/26279
15652 PR middle-end/26280
15653 PR middle-end/26283
15654 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15656 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15658 Fix PR tree-optimization/26260
15660 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15662 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15663 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15664 * tree-ssa-structalias.c (create_variable_info_for): Use
15665 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15667 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15669 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15671 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15672 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15673 of the ending condition.
15674 * tree-ssa-loop-manip.c: Include params.h.
15675 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15676 tree_unroll_loop): New functions.
15677 * tree-pass.h (pass_loop_prefetch): Declare.
15678 * loop.c (rest_of_handle_loop_optimize): Test for
15679 -fprefetch-loop-arrays-rtl.
15680 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15681 * timevar.def (TV_TREE_PREFETCH): New timevar.
15682 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15683 pass_loop_prefetch): New.
15684 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15685 (cleanup_tree_cfg_loop): Call scev_reset.
15686 * common.opt (fprefetch-loop-arrays-rtl): Add.
15687 * tree-ssa-loop-prefetch.c: New file.
15688 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15689 (new_temp_expr_table): Initialize expr_vars.
15690 (free_temp_expr_table): Cleanup expr_vars.
15691 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15692 expressions from being merged into one.
15693 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15694 (struct tree_niter_desc): Add control, bound and cmp fields.
15695 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15697 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15698 (tree-cfgcleanup.o): Add SCEV_H dependency.
15699 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15700 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15702 2006-02-14 Richard Guenther <rguenther@suse.de>
15704 PR tree-optimization/26258
15705 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15706 in PHI argument processing.
15708 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15710 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15711 new expression in the requested machine mode.
15713 2006-02-13 Roger Sayle <roger@eyesopen.com>
15715 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15716 directly, instead let do_compare_rtx_and_jump handle this for us.
15717 * expr.c (expand_expr_real_1): Likewise.
15718 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15719 before do_jump_by_parts_greater.
15720 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15721 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15723 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15725 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15727 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15729 PR rtl-optimization/26235
15730 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15731 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15734 2006-02-13 Jeff Law <law@redhat.com>
15736 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15739 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15741 PR middle-end/26092
15742 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15743 twice if decl is a builtin. When trying again, call get_callee_fndecl
15744 first to verify it is still a builtin.
15746 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15748 * dwarf2out.c (base_type_die): Don't add AT_name here.
15749 (subrange_type_die): Don't add AT_name here.
15750 (modified_type_die): Rearrange code flow. Do add AT_name here.
15752 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15754 PR rtl-optimization/26247
15755 PR rtl-optimization/26248
15756 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15758 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15760 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15761 * config/fixtfdi.c: Likewise.
15762 * config/fixunstfdi.c: Likewise.
15763 * config/floatditf.c: Likewise.
15765 2006-02-13 Roger Sayle <roger@eyesopen.com>
15767 PR middle-end/24427
15768 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15769 into (X,C2) if C1 is a subset of the bits of C2. Transform
15770 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15772 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15774 2006-02-13 Josh Conner <jconner@apple.com>
15777 * varasm.c (function_section): Check for section name before
15778 calling select_section on targets that define
15779 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15780 unlikely_text_section instead of hot_function_section if
15781 first_function_block_is_cold.
15783 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15785 PR middle-end/25335
15786 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15788 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15790 PR rtl-optimization/26222
15791 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15792 after tree->rtl expansion.
15793 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15794 before passing it to emit_move_insn.
15796 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15798 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15800 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15801 Clarify documentation.
15802 * c-common.h (warn_write_strings): Remove.
15803 * c-common.c (warn_write_strings): Likewise.
15804 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15807 2006-02-12 Roger Sayle <roger@eyesopen.com>
15809 PR middle-end/25724
15810 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15811 (do_jump_parts_zero_rtx): New function renamed from
15812 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15813 (do_jump_parts_equality_rtx): New function split out from
15814 do_jump_parts_equality. Old implementation renamed as above.
15815 Call do_jump_parts_zero_rtx if either operand is zero.
15816 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15817 do all of the heavy lifting.
15818 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15819 calling either do_jump_by_parts_greater_rtx or
15820 do_jump_by_parts_equality_rtx.
15821 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15822 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15823 moved to do_compare_rtx_and_jump, call it directly.
15824 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15825 mode argument. Call do_compare_rtx_and_jump.
15826 (emit_case_nodes): Update calls to do_jump_if_equal.
15828 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15830 PR rtl-optimization/26225
15831 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15833 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15835 PR rtl-optimization/26232
15836 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15838 2006-02-11 Jason Merrill <jason@redhat.com>
15841 * tree-inline.c (declare_return_variable): Just don't use the
15842 modify target if it's a gimple complex reg and the return slot
15845 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15847 * doc/contrib.texi: Update my entry.
15849 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15851 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15853 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15855 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15858 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15860 * doc/invoke.texi (-floop-optimize2): Removed.
15861 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15862 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15863 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15864 * common.opt (floop-optimize2): Removed.
15865 (fmove-loop-invariants): Enabled by default.
15867 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15869 * tree-if-conv.c (combine_blocks): Free the result of
15870 get_loop_exit_edges.
15872 2006-02-10 Jeff Law <law@redhat.com>
15874 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15876 PR tree-optimization/26213
15877 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15878 loop trying to follow SSA_NAME_VALUE chains.
15880 2006-02-10 Richard Guenther <rguenther@suse.de>
15882 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15883 deal with structures that end in implicitly variable sized arrays.
15885 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15887 PR rtl-optimization/24762
15888 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15891 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15893 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15894 (struct ivopts_data): Add regs_used field.
15895 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15896 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15897 instead of loop_data->regs_used;
15898 (free_loop_data): Do not free aux fields for loops.
15899 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15900 and tree_ssa_iv_optimize_finalize.
15902 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15904 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15906 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15909 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15910 computing the effective result type.
15912 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15914 PR inline-asm/16194
15915 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15916 (tree_overlaps_hard_reg_set): Declare.
15917 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15918 type and signature to match function type expected by walk_tree.
15919 (tree_overlaps_hard_reg_set): New function.
15920 (decl_conflicts_with_clobbers_p): Rename to:
15921 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15922 Use tree_overlaps_hard_reg_set. Changed caller.
15923 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15924 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15925 * cris.c (cris_md_asm_clobbers): Likewise.
15927 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15929 * reload1.c (emit_input_reload_insns): Delete code that tries to
15930 inherit using find_equiv_reg.
15932 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15934 * c-common.h (flag_const_strings): Don't declare.
15935 * c-common.c (flag_const_strings): Remove.
15936 * c.opt (fconst_strings): Remove.
15937 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15938 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15939 (c_common_init_options): Don't set flag_const_strings.
15940 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15942 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15944 * arm.md (tlobits_cbranch): New pattern.
15945 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15946 testing a single bit.
15948 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15951 * tree-ssa-pre.c (create_component_ref_by_pieces):
15952 Handle RETURN_DECL like VAR_DECL.
15954 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15956 PR middle-end/26134
15957 * fold-const.c (fold_indirect_ref_1): Fold
15958 "*(foo *)&complexfoo" to "__real__ complexfoo"
15959 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15961 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15963 * tree-flow-inline.h (var_can_have_subvars):
15964 Volatile variables should not have subvariables.
15966 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15969 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15970 multiplying unsigned values.
15973 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15975 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15977 2006-02-08 Jason Merrill <jason@redhat.com>
15980 * tree.def: Elaborate on difference from MODIFY_EXPR.
15981 * doc/c-tree.texi (INIT_EXPR): Likewise.
15982 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15983 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15984 (gimplify_target_expr): Likewise.
15985 (gimplify_cond_expr): Remove target handling.
15986 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15987 (gimplify_expr): Clobber it here.
15988 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15989 Do return slot optimization if we have an INIT_EXPR.
15992 * tree-inline.c (declare_return_variable): Also clear
15993 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15996 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15998 PR middle-end/22439
15999 * gimplify.c (gimplify_one_sizepos): Fix typo.
16001 2006-02-08 Jeff Law <law@redhat.com>
16003 PR tree-optimization/21417
16004 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16005 across a backedge if the control statement at the end of the
16006 block is data dependent on other statements in the same block.
16007 (record_temporary_equivalences_from_stmts): Remove over-conservative
16008 test for threading across backedges.
16010 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16011 control statement, handle all three special cases in the same
16012 manner as they all have the same desired solution. No longer
16013 special case edge flag updating when the post dominator is
16016 2006-02-08 Roger Sayle <roger@eyesopen.com>
16018 * tree.def (CHAR_TYPE): Remove.
16019 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16020 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16021 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16022 (gen_string_type_die): Delete unreachable function.
16024 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16025 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16026 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16027 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16028 * builtins.c (type_to_class): Likewise.
16029 * fold-const.c (fold_convert, build_range_check,
16030 merge_ranges): Likewise.
16031 * expr.c (count_type_elements): Likewise.
16032 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16033 * stor-layout.c (layout_type): Likewise.
16034 * ipa-type-escape.c (type_to_consider): Likewise.
16035 * gimplify.c (omp_firstprivatize_type_sizes,
16036 gimplify_type_sizes): Likewise.
16037 * explow.c (promote_mode): Likewise.
16038 * tree-sra.c (is_sra_scalar_type): Likewise.
16039 * varasm.c (output_constant): Likewise.
16040 * tree-inline.c (remap_type_1): Likewise.
16041 * convert.c (convert_to_pointer, convert_to_real,
16042 convert_to_integer, convert_to_complex): Likewise.
16044 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16046 * df-scan.c (df_def_record_1): A set destination may
16047 be a parallel regardless of mode.
16049 2006-02-08 Roger Sayle <roger@eyesopen.com>
16052 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16053 * config/mips/_tilib.c: Remove.
16054 * config/fixtfdi.c: New libgcc source file.
16055 * config/fixunstfdi.c: New source file.
16056 * config/floatditf.c: New source file.
16057 * config/floatunditf.c: New souce file.
16058 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16059 files above instead of config/mips/_tilib.c.
16060 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16062 2006-02-08 Jeff Law <law@redhat.com>
16064 PR tree-optimization/26169
16065 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16068 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16070 * df.h (DF_REG_SIZE): Return the length of the initialized
16073 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16075 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16076 __muldf3): Return a correctly signed zero.
16078 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16080 * passes.c (register_one_dump_file): Accept the current properties
16081 instead of pass number. Adjust call to dump_register. Remove
16083 (register_dump_files): Now a wrapper around...
16084 (register_dump_files_1): ... this one. Do not modify the pass
16086 (next_pass_1): Cosmetic fix.
16087 (execute_todo): Keep second parameter only. Use curr_properties
16088 instead of fetching it from the pass structure. Check and set
16090 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16091 instead of fetching it from the pass structure. Fix calls to
16092 execute_todo. Update curr_properties and initialize .vcg RTL dump
16093 after running the pass. Reset last_verified.
16094 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16096 (FIRST_AUTO_NUMBERED_DUMP): New.
16097 (dump_register): Remove "num" parameter, assign it within the
16099 (get_dump_file_name): Modify template for dumps.
16100 * tree-dump.h (dump_register): Adjust prototype.
16101 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16102 (PROP_trees): Add PROP_gimple_lomp.
16103 (TODO_set_props): New.
16104 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16105 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16106 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16108 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16110 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16111 (sparc64-*-linux*): Likewise.
16112 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16113 * config/sparc/t-linux: New file.
16114 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16115 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16116 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16117 -m32 -mlong-double-128.
16119 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16120 * config/alpha/t-linux: New file.
16121 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16123 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16124 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16125 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16126 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16127 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16128 (CPP_ARCH32_SPEC): Remove.
16130 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16132 PR tree-optimization/26145
16133 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16136 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16139 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16140 >= 240000 when generating code for SOM runtime.
16141 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16142 to $$dyncall when generating code for SOM runtime..
16144 2006-02-07 Dirk Mueller <dmueller@suse.com>
16147 * doc/invoke.texi (-Wsequence-point): Update documentation
16148 that -Wsequence-point is implemented for C++ as well.
16150 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16152 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16153 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16154 (LIB_SPEC): Likewise.
16155 * doc/invoke.texi (SPARC options): Document -pthread.
16157 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16159 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16162 2006-02-07 Roger Sayle <roger@eyesopen.com>
16164 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16165 Correct comment describing BOOLEAN_TYPE.
16167 2006-02-07 Dirk Mueller <dmueller@suse.com>
16169 * c.opt: C++ frontend supports -Wdiv-by-zero.
16170 * c-opts.c (c_common_handle_option): Remove dead case.
16172 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16174 * configure.ac (TLS assembler check): Do not enable TLS by
16175 default on SPARC/Solaris before version 10.
16176 * configure: Regenerate.
16178 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16180 * doc/invoke.texi (xl-compat): Document conversion and support
16183 2006-02-07 Jeff Law <law@redhat.com>
16185 * tree-vrp.c (find_conditional_asserts): Update comments.
16186 (simplify_stmt_for_jump_threading): New.
16187 (identify_jump_threads, finalize_jump_threads): New.
16188 (vrp_finalize): Call identify_jump_threads.
16189 (execute_vrp): Call finalize_jump_threads.
16190 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16191 (vrp_element, vrp_data, vrp_element_p): Remove.
16192 (vrp_hash_elt, vrp_variables_stack): Remove.
16193 (vrp_hash, vrp_eq, record_range): Remove.
16194 (simplify_cond_and_lookup_avail_expr): Remove.
16195 (extract_range_from_cond): Remove.
16196 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16197 (simplify_stmt_for_jump_threading): New.
16198 (dom_thread_across_edge): New wrapper.
16199 (tree_ssa_dominator_optimize): No longer initialize or
16200 finalize any of the VRP datastructures. Remove iteration
16201 step and simplify as a result of removal of iteration step.
16202 (pass_dominator): Perform a cfg cleanup after DOM.
16203 (dom_opt_finalize_block): Use the new common routines
16204 for threading jumps. Simplify stack management slightly.
16205 No longer need to unwind VRP state.
16206 (record_equivalences_from_incoming_edge): No longer record
16208 (eliminate_redundant_computations): No longer call
16209 simplify_cond_and_lookup_avail_expr.
16210 * tree-flow.h (potentially_threadable_block): Prototype.
16211 (thread_across_edge): Likewise.
16212 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16213 (tree-ssa-threadedge.o): Add dependencies.
16214 * tree-ssa-threadedge.c: New file.
16215 * passes.c (init_optimization_passes): Merge PHIs before
16216 calling VRP. Run VRP again late in the SSA optimization pipeline.
16218 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16220 * df-core.c (df_set_blocks): Do not dereference function pointers.
16221 (df_finish1): Likewise.
16222 (df_hybrid_search_forward): Likewise.
16223 (df_hybrid_search_backward): Likewise.
16224 (df_iterative_dataflow): Likewise.
16225 (df_analyze_problem): Likewise.
16226 (df_compact_blocks): Likewise.
16227 (df_dump): Likewise.
16228 * df-scan.c (df_rescan_blocks): Likewise.
16229 (df_record_entry_block_defs): Likewise.
16231 * genconditions.c (write_conditions): Guard the definition of
16232 'insn_conditions' with the check on GCC version.
16233 (write_writer): Guard the traversal 'insn_conditions' with
16234 the check on GCC version.
16236 2006-02-07 Richard Guenther <rguenther@suse.de>
16240 2006-01-30 Richard Guenther <rguenther@suse.de>
16242 * gimplify.c (gimplify_target_expr): Handle easy cases
16243 without creating a temporary.
16245 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16247 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16248 use of float in probability computations. Use edge probabilities
16249 in place of statically computed probabilities.
16250 (min_spec_prob): New static variable.
16251 (schedule_insns): Initialize it.
16252 (GET_SRC_PROB): Removed.
16253 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16255 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16258 * config/ia64/unwind-ia64.c: Revert last change.
16259 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16260 (INCOMING_FRAME_SP_OFFSET): Define.
16262 2006-02-06 Roger Sayle <roger@eyesopen.com>
16264 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16266 2006-02-07 Ben Elliston <bje@au.ibm.com>
16268 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16269 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16270 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16271 (ix86_return_in_memory): Handle TDmode.
16272 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16273 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16275 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16277 * reorg.c (dbr_schedule): Use dump_file instead of file.
16279 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16282 * config/ia64/predicates.md (extr_len_operand): New predicate.
16283 * config/ia64/ia64.md (extv): Tighten constraints.
16285 (*tbit_and_2): Ditto.
16286 (*tbit_and_3): Ditto.
16287 (*tbit_or_2): Ditto.
16288 (*tbit_or_3): Ditto.
16289 (*bit_zero): Ditto.
16292 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16295 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16297 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16299 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16300 loop_optimizer_init and loop_optimizer_finalize
16301 * tree-ssa-sink.c (execute_sink_code): Ditto.
16302 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16303 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16304 tree_ssa_loop_done): Ditto.
16305 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16306 * sched-ebb.c: Include output.h.
16307 (schedule_ebbs): Do not use dump argument.
16308 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16309 * loop.c (loop_dump_stream): Removed.
16310 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16312 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16313 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16314 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16315 loop_iterations, strength_reduce, record_biv, record_giv,
16316 final_giv_value, check_final_value, check_ext_dependent_givs,
16317 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16318 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16319 dump_file instead of loop_dump_stream.
16320 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16321 argument dump_file.
16322 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16324 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16325 * haifa-sched.c: Include output.h
16326 (schedule_insns, sched_init): Do not use dump argument.
16327 * mode-switching.c (optimize_mode_switching): Ditto.
16328 * modulo-sched.c (stats_file): Removed.
16329 (print_node_sched_params): Do not call argument dump_file.
16330 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16331 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16333 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16335 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16336 rtl_loop_init, rtl_loop_done): Ditto.
16337 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16338 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16340 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16341 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16342 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16343 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16344 * emit-rtl.c (renumber_insns): Ditto.
16345 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16346 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16347 * regclass.c (regclass): Ditto.
16348 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16349 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16350 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16351 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16353 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16354 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16356 * gcse.c (gcse_file, debug_stderr): Removed.
16357 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16358 rest_of_handle_gcse): Do not use dump argument.
16359 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16360 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16361 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16362 compute_code_hoist_vbeinout, compute_code_hoist_data,
16363 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16364 compute_store_table, build_store_vectors, insert_insn_start_bb,
16365 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16366 store_motion): Use dump_file instead of gcse_file.
16367 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16368 * profile.c (profile_dump_file): Removed.
16369 (branch_prob): Use dump_file instead of profile_dump_file.
16370 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16372 * tree-ssa-copy.c (dump_copy_of): Ditto.
16373 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16374 dump file to life_analysis.
16375 * bt-load.c (branch_target_load_optimize): Ditto.
16376 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16378 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16379 regclass, dbr_schedule): Declaration changed.
16380 * sched-int.h (sched_init): Declaration changed.
16381 * tree-profile.c (tree_profile_dump_file): Removed.
16382 (tree_profile_hooks): Removed profile_dump_file hook.
16383 * rtl-profile (rtl_profile_dump_file): Removed.
16384 (rtl_profile_hooks): emoved profile_dump_file hook.
16385 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16387 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16388 * tree-cfg.c (build_tree_cfg): Ditto.
16389 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16390 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16391 Declaration changed.
16392 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16393 life_analysis and schedule_insns.
16394 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16396 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16398 * config/mips/mips.c (mips_reorg): Ditto.
16399 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16402 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16404 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16405 (s390_mangle_fundamental_type): New.
16406 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16409 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16410 (alpha_mangle_fundamental_type): New.
16411 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16414 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16416 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16418 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16419 (sparc_mangle_fundamental_type): New.
16421 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16423 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16424 (s390x-*-linux*): Likewise.
16425 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16426 * config/s390/t-linux: New file.
16428 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16430 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16431 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16433 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16435 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16436 (ANTIC_SAFE_LOADS): New macro.
16437 (find_or_generate_expression): Add prototype.
16438 (set_contains_value): Allow null set for sake of not always having
16439 to allocate ANTIC_SAFE_LOADS.
16440 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16441 Allow COMPONENT_REF too.
16442 (valid_in_set): Allow COMPONENT_REF.
16443 Check ANTIC_SAFE_LOADS too.
16444 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16445 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16447 (can_PRE_operation): Add COMPONENT_REF.
16448 (create_component_ref_by_pieces): New function.
16449 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16450 (insert_aux): Move AGGREGATE_TYPE_P check here.
16451 (compute_avail): Set bb local stmt uids.
16452 (pass_pre): Use TODO_update_ssa_only_virtuals.
16454 2006-02-06 Ben Elliston <bje@au.ibm.com>
16456 * configure.ac: Unconditionally disable decimal float by default.
16457 * configure: Regenerate.
16459 2006-02-06 Ben Elliston <bje@au.ibm.com>
16461 * read-rtl.c (read_name): Terminate reading on EOF.
16463 2006-02-06 Ben Elliston <bje@au.ibm.com>
16465 * dfp.c (decimal_real_arithmetic): Change second argument type
16466 from int to enum tree_code. Do not always return true, but now
16467 return result of any call to decimal_do helper functions.
16468 * dfp.h (decimal_real_arithmetic): Update prototype.
16470 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16472 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16474 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16477 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16480 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16482 * tree-vrp.c (cfg_loops): Removed.
16483 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16484 Use current_loops instead of cfg_loops. Pass flags to
16485 loop_optimizer_init.
16486 * cfgloopmanip.c (fix_loop_structure): Update only available
16488 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16489 loop_optimizer_init.
16490 * modulo-sched.c (build_loops_structure): Removed.
16491 (sms_schedule): Use loop_optimizer_init.
16492 * loop-init.c (loop_optimizer_init): Use flags to determine
16493 which properties of loops to prepare.
16494 (rtl_loop_init): Pass flags to loop_optimizer_init.
16495 * tree-ssa-sink.c (execute_sink_code): Ditto.
16496 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16497 * tree-ssa-pre.c (init_pre): Ditto.
16498 * cfgloop.h (LOOPS_NORMAL): New.
16499 (loop_optimizer_init): Declaration changed.
16501 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16503 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16504 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16506 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16508 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16510 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16511 * pa/t-pa64: Delete quadlib.c rule.
16512 * pa/x-ada: Revert last change.
16513 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16515 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16517 PR rtl-optimization/26087
16518 * rtlanal.c (canonicalize_condition): Do not cross basic block
16521 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16524 * config/ia64/ia64.c: Include debug.h.
16525 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16526 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16527 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16528 (process_epilogue, process_set, process_for_unwind_directive):
16529 Output unwind info only if requested. Add CFA info if requested.
16530 Add new arguments as needed. Adjust callers.
16531 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16533 (DWARF2_FRAME_INFO): Define to zero.
16534 * config/ia64/unwind-ia64.c: Remove code that compensated for
16535 the CFA offset error fixed above.
16536 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16537 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16538 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16539 -funwind-tables and -fexceptions to enable frame info.
16540 (dwarf2out_frame_init): Define initial CFA even if
16541 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16542 DWARF2_UNWIND_INFO is nonzero, not just defined.
16543 (dwarf2out_frame_finish): Output non-EH call frame info only
16544 if DWARF2_FRAME_INFO is nonzero.
16545 (convert_cfa_to_loc_list,
16546 compute_frame_pointer_to_cfa_displacement): Define even if
16547 unwind info is not supported.
16548 (gen_subprogram_die): Use the above unconditionally. Remove
16549 legacy alternate code.
16550 * toplev.c (compile_file): Compile in call to
16551 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16552 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16554 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16555 Jakub Jelinek <jakub@redhat.com>
16557 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16558 IBM extended float format long double as "g" on powerpc*-linux.
16560 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16563 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16564 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16566 2006-02-03 Jason Merrill <jason@redhat.com>
16569 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16571 PR middle-end/25977
16572 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16573 on the return slot if it's an NRV.
16575 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16577 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16578 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16579 rewrite_use): Do not handle USE_OUTER.
16580 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16581 add_iv_outer_candidates, may_replace_final_value,
16582 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16583 (find_interesting_uses_op): Functionality of
16584 find_interesting_uses_outer_or_nonlin moved here.
16585 (find_interesting_uses_outside): Use find_interesting_uses_op.
16587 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16590 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16592 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16593 Ulrich Weigand <uweigand@de.ibm.com>
16596 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16597 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16598 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16599 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16601 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16602 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16603 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16604 Define secondary reloads for TFmode moves.
16605 (constant_modes): Add TFmode.
16606 (NR_C_MODES): Set to 8.
16607 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16609 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16610 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16611 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16612 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16613 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16614 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16615 (FPR mode macro): Add TFmode.
16616 (DSF mode macro): New.
16617 (<de>, <dee> mode attributes): Removed.
16618 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16619 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16620 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16621 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16622 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16623 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16624 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16625 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16626 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16627 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16628 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16629 "*negabs<mode>2", "sqrt<mode>2"):
16630 Changed <de> to <xde>. R constraint replaced by <Rf>.
16631 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16633 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16634 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16635 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16637 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16638 "extenddftf2", "extendsftf2"): New expanders.
16639 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16640 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16641 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16642 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16644 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16645 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16646 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16647 __floatditf): Add a GCC_4.1.0 symbol version tag.
16648 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16651 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16654 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16655 Use targetm.binds_local_p instead of TREE_PUBLIC.
16657 2006-02-02 Roger Sayle <roger@eyesopen.com>
16659 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16660 on INTEGER_TYPEs to indicate that it denotes a character type.
16661 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16662 signed_char_type_node, unsigned_char_type_node and char_type_node.
16663 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16664 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16665 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16667 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16668 Daniel Berlin <dberlin@dberlin.org>
16670 * tree-tailcall.c (arg_needs_copy_p): New function.
16671 (eliminate_tail_call): Use arg_needs_copy_p.
16672 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16673 (add_virtual_phis): New function.
16675 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16677 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16678 #ignore instead of #scratch for %g7 .register directive.
16680 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16682 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16685 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16687 * flow.c (calculate_global_regs_live): Assert that there aren't any
16690 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16692 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16693 what its name says.
16694 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16695 bsi_after_labels iterator.
16696 * tree-if-conv.c (find_phi_replacement_condition,
16697 replace_phi_with_cond_modify_expr): Likewise.
16698 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16699 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16701 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16703 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16705 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16708 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16709 array after growing it.
16711 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16713 PR middle-end/24901
16714 * fold-const.c (fold_checksum_tree): Change type of buf.
16716 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16718 * reload.c (push_secondary_reload): Initialize t_icode.
16720 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16722 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16723 -msoft-float -mlong-double-128 only issue a warning, but don't
16724 swich to DFmode long double.
16726 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16728 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16729 has a constant equivalent, iterate over equivalents for arg0,
16730 calling simplify_relational_operation and if there's a result
16731 cheaper than X, apply fold_rtx and return the result.
16733 2006-02-01 Jan Hubicka <jh@suse.cz>
16735 * opts.c (no_unit_at_a_time_default): New global variable.
16736 (decode_options): Use it.
16737 * opts.h (no_unit_at_a_time_default): Declare.
16739 2006-02-01 Paul Brook <paul@codesourcery.com>
16741 * function.c (assign_parm_setup_reg): Use function argument promotion
16743 * expr.c (expand_expr_real_1): Use function argument promotion rules
16746 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16748 * gcc.c (process_command): Change j to 'unsigned int'.
16750 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16752 PR middle-end/26001
16753 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16754 Use the corrected index for the character
16755 out of the string constant.
16757 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16759 * mode-switching.c (optimize_mode_switching): Fix size
16760 allocated for bb_info[n_entities].
16762 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16764 * gcc.c (main): Correct type that is allocated for
16765 explicit_link_files.
16767 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16769 * config/s390/s390.c (init_alignment_context): Set
16770 ALIAS_SET_MEMORY_BARRIER on the MEM.
16771 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16773 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16775 PR middle-end/25933
16776 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16778 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16781 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16783 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16784 * regrename.c: Ditto.
16785 * tree-ssa-loop-im.c: Ditto.
16786 * tree-dump.c: Ditto.
16787 * tree-complex.c: Ditto.
16788 * genrecog.c: Ditto.
16789 * tree-ssa-threadupdate.c: Ditto.
16791 * java/class.c: Ditto.
16792 * java/jcf-parse.c: Ditto.
16793 * java/resource.c: Ditto.
16794 * java/except.c: Ditto.
16795 * java/jvspec.c: Ditto.
16796 * java/jcf-write.c: Ditto.
16797 * java/jcf-path.c: Ditto.
16798 * java/gjavah.c: Ditto.
16799 * java/zextract.c: Ditto.
16800 * java/jcf-io.c: Ditto.
16801 * java/jcf.h: Ditto.
16802 * java/buffer.c: Ditto.
16803 * java/lang.c: Ditto.
16804 * java/parse-scan.y: Ditto.
16805 * java/lex.c: Ditto.
16806 * java/lex.h: Ditto.
16807 * cfgloopmanip.c: Ditto.
16808 * postreload-gcse.c: Ditto.
16809 * tree-ssa-loop-manip.c: Ditto.
16810 * postreload.c: Ditto.
16811 * tree-ssa-loop-ch.c: Ditto.
16814 * cppspec.c: Ditto.
16815 * diagnostic.c: Ditto.
16817 * genoutput.c: Ditto.
16819 * cfghooks.c: Ditto.
16820 * cfgloopanal.c: Ditto.
16821 * objc/objc-act.c: Ditto.
16823 * genextract.c: Ditto.
16824 * genautomata.c: Ditto.
16825 * pretty-print.c: Ditto.
16826 * genemit.c: Ditto.
16827 * cgraphunit.c: Ditto.
16829 * df-scan.c: Ditto.
16830 * haifa-sched.c: Ditto.
16831 * dominance.c: Ditto.
16833 * tree-ssa-loop-ivopts.c: Ditto.
16834 * df-core.c: Ditto.
16835 * mode-switching.c: Ditto.
16836 * modulo-sched.c: Ditto.
16838 * ipa-pure-const.c: Ditto.
16840 * fix-header.c: Ditto.
16842 * tree-stdarg.c: Ditto.
16843 * ipa-utils.c: Ditto.
16844 * loop-init.c: Ditto.
16845 * ipa-inline.c: Ditto.
16846 * cfganal.c: Ditto.
16848 * alloc-pool.c: Ditto.
16849 * dwarf2out.c: Ditto.
16851 * genattrtab.c: Ditto.
16852 * tree-ssa-loop-ivcanon.c: Ditto.
16853 * predict.c: Ditto.
16854 * timevar.c: Ditto.
16856 * fortran/gfortranspec.c: Ditto.
16857 * regmove.c: Ditto.
16858 * local-alloc.c: Ditto.
16859 * langhooks.c: Ditto.
16860 * function.c: Ditto.
16861 * tree-vectorizer.c: Ditto.
16863 * ipa-type-escape.c: Ditto.
16865 * tree-if-conv.c: Ditto.
16866 * profile.c: Ditto.
16868 * tree-data-ref.c: Ditto.
16869 * loop-unroll.c: Ditto.
16870 * treelang/treetree.c: Ditto.
16872 * bt-load.c: Ditto.
16873 * ggc-common.c: Ditto.
16875 * coverage.c: Ditto.
16877 * tree-cfgcleanup.c: Ditto.
16878 * tree-ssa-pre.c: Ditto.
16879 * cfgcleanup.c: Ditto.
16880 * loop-invariant.c: Ditto.
16881 * loop-iv.c: Ditto.
16882 * ipa-prop.c: Ditto.
16883 * print-tree.c: Ditto.
16884 * conflict.c: Ditto.
16885 * ggc-page.c: Ditto.
16886 * sched-deps.c: Ditto.
16887 * regclass.c: Ditto.
16888 * tree-object-size.c: Ditto.
16889 * combine.c: Ditto.
16890 * bb-reorder.c: Ditto.
16891 * resource.c: Ditto.
16892 * var-tracking.c: Ditto.
16893 * cfgloop.c: Ditto.
16894 * df-problems.c: Ditto.
16895 * reg-stack.c: Ditto.
16897 * gccspec.c: Ditto.
16898 * sched-rgn.c: Ditto.
16899 * tree-ssa-structalias.c: Ditto.
16900 * tree-ssa-reassoc.c: Ditto.
16901 * config/darwin-c.c: Ditto.
16902 * config/darwin.c: Ditto.
16903 * config/arm/arm.c: Ditto.
16905 * collect2.c: Ditto.
16906 * reload1.c: Ditto.
16908 2006-01-31 Nicolas Pitre <nico@cam.org>
16910 * arm.md (smaxsi3): Make aware of smax_m1.
16913 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16915 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16917 2006-01-31 Richard Guenther <rguenther@suse.de>
16919 * doc/invoke.texi (-msselibm): Document.
16920 * target.h (expand_library_builtin): New target hook.
16921 * builtins.c (expand_builtin): Use expand_library_builtin.
16922 (default_expand_library_builtin): New function.
16923 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16924 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16925 (link_gcc_math_spec): Declare.
16926 (static_specs): Add link_gcc_math_spec.
16927 * expr.h (default_expand_library_builtin): Declare.
16928 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16929 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16930 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16931 * config/i386/i386.opt (msselibm): New target option.
16932 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16933 (ix86_init_sse_abi_builtins): New function.
16934 (ix86_expand_library_builtin): Likewise.
16935 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16936 (override_options): Handle error conditions wrt -msselibm.
16937 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16938 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16939 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16942 2006-01-31 Richard Guenther <rguenther@suse.de>
16943 Paolo Bonzini <bonzini@gnu.org>
16945 * doc/install.texi (--disable-libgcc-math): Document.
16947 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16949 * expr.h (expand_normal): new inline function.
16950 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16951 * dojump.c: use it.
16952 * dwarf2out.c: use it.
16955 * expmed.c: use it.
16956 * except.c: use it.
16957 * config/sparc/sparc.c: use it.
16958 * config/i386/i386.c: use it.
16959 * config/rs6000/rs6000.c: use it.
16960 * config/arm/arm.c: use it.
16961 * config/mips/mips.c: use it.
16962 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16964 2006-01-30 Roger Sayle <roger@eyesopen.com>
16966 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16967 argv to the appropriate type.
16969 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16971 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16974 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16977 * config/s390/s390.c (struct machine_function): New flag
16978 decomposed_literal_pool_addresses_ok_p.
16979 (s390_reorg): Set it before final stage of literal pool transforms.
16980 (s390_decompose_address): Only accept displacements of the form
16981 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16983 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16985 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16986 the comparison routine return.
16988 2006-01-30 Michael Matz <matz@suse.de>
16990 * global.c (find_reg): Only evict for global regs.
16991 Take n_refs into account and dump more info.
16993 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16996 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16997 (pragma_trap, pragma_nosave_low_regs): Likewise.
16998 (current_function_anonymous_args): Likewise.
16999 (sh_deferred_function_attributes): New variable.
17000 (sh_deferred_function_attributes_tail): Likewise.
17001 (print_operand): For '@', look up trap_exit attribute.
17002 (calc_live_regs): Look up trapa_handler attribute. For trapa
17003 handlers, save/restore fpscr, but don't do any other
17004 interrupt-specific saves.
17005 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17006 Fix check for partially saved registers to check for SHmedia.
17007 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17008 (sh_output_function_epilogue): Don't clear any of the removed
17010 (sh_insert_attributes): Don't check pragma_interrupt.
17011 Insert deferred attributes. Check that interrupt attribute is
17012 present for other attributes that require its presence.
17013 (sh_attribute_table): Add new attributes trapa_handler and
17015 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17016 Don't check for pragma_interrupt. Don't store argument.
17017 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17018 (sh_deferred_function_attributes): Declare.
17019 (sh_deferred_function_attributes_tail): Likewise.
17020 * sh.md (sp_switch_1): Add operand. Change generator caller.
17021 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17022 (*return_i): Don't use when trap_exit attribute is in effect.
17023 (*return_trapa): New insn pattern.
17024 * sh-c.c: New file.
17025 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17026 setting c_target_objs and cxx_target_objs.
17027 * t-sh: Add rule for sh-c.o.
17029 2006-01-30 Richard Guenther <rguenther@suse.de>
17032 * gimplify.c (gimplify_target_expr): Handle easy cases
17033 without creating a temporary.
17035 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17037 * vec.h (safe_grow): Remove duplicated line.
17039 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17042 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17043 (expand_omp): ... here.
17044 (expand_omp_parallel): Only remove barriers for combined
17045 parallel+workshare constructs.
17047 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17051 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17052 * tree.c (build_qualified_type): Chain the new type to the original
17053 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17054 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17055 (build_pointer_type_for_mode): Only return unqualified types.
17056 (build_reference_type_for_mode): Likewise.
17058 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17060 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17061 * Makefile.in (CXX_COMPAT_WARN): Define.
17062 * configure: Regenerate.
17064 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17067 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17070 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17072 * toplev.c: Fix thinko.
17074 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17075 Marcin Dalecki <martin@dalecki.de>
17077 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17078 (push_srcloc): Use XNEW.
17079 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17081 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17083 * df-core.c (df_set_blocks): Deleted all variable.
17085 2006-01-28 Ian Lance Taylor <ian@airs.com>
17087 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17088 cgraph_output_pending_asms.
17090 2006-01-28 Zack Weinberg <zackw@panix.com>
17092 * c.opt: Add -W(no-)overlength-strings.
17093 * doc/invoke.texi: Document it.
17094 * c-opts.c (c_common_handle_option): -pedantic implies
17095 -Woverlength-strings, if not explicitly disabled already.
17096 (c_common_post_options): -Woverlength-strings defaults to off, and
17097 is always off for C++.
17098 * c-common.c (fix_string_type): Issue warning about strings longer
17099 than is portable only if warn_overlength_strings. Rearrange code
17100 a little for clarity.
17101 * configure.in: Check for -Wno-overlength-strings as well before
17102 enabling -pedantic in stage 1.
17103 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17104 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17106 * genconditions.c (write_header, write_one_condition)
17107 (write_conditions, write_writer): Consolidate very long strings
17108 that were broken up to fit in C89 portable limit. Don't use
17109 printf when fputs will do.
17111 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17113 * combine.c (simplify_comparison <AND>): Check
17114 TRULY_NOOP_TRUNCATION before start using a subreg.
17116 * config/mips/mips.md (*branch_zero<mode>,
17117 *branch_zero<mode>_inverted, *branch_equality<mode>,
17118 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17119 Remove mode check from comparisons.
17121 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17123 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17125 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17127 * expmed.c (const_mult_add_overflow_p): Remove.
17128 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17130 * recog.c (validate_replace_rtx_subexp): Remove.
17131 * recog.h: Remove the prototype for
17132 validate_replace_rtx_subexp.
17134 * integrate.h: Remove the prototype for
17135 copy_decl_for_inlining.
17136 * rtl.h: Remove the prototype for mark_constant_function.
17137 * tree-vectorizer.h: Remove the prototype for
17138 vect_strip_conversion.
17140 * modulo-sched.c (create_partial_schedule,
17141 free_partial_schedule, reset_partial_schedule): Make them
17144 * hooks.c (hook_bool_rtx_int_false): Remove.
17145 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17147 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17149 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17150 and -mlong-double-128 are incompatible.
17151 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17152 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17153 (TARGET_LIBGCC2_CFLAGS): Define.
17154 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17155 (TARGET_LIBGCC2_CFLAGS): Same.
17156 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17158 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17161 * c-typeck.c (build_binary_op): Perform implicit casts of
17162 operands before shortening them.
17164 * cfgloopmanip.c (split_loop_bb): Remove.
17165 * cfgloop.h: Remove the prototype for split_loop_bb.
17167 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17168 * cfgloop.h: Remove the prototype for
17169 flow_loop_outside_edge_p.
17171 * emit-rtl.c (init_virtual_regs): Make it static.
17172 * function.h: Remove the prototype for init_virtual_regs.
17174 * recog.c (peephole2_optimize): Make it static.
17175 * recog.h: Remove the prototype for peephole2_optimize.
17177 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17179 * df-scan.c (df_record_entry_block_defs): Check if
17180 INCOMING_RETURN_ADDR_RTX is defined.
17182 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17183 Kenneth Zadeck <zadeck@naturalbridge.com>
17185 PR rtl-optimization/24762
17186 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17187 * targhooks.c (hook_void_bitmap): New hook prototype.
17188 * targhoohs.h (hook_void_bitmap): Ditto.
17189 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17190 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17191 * target.h (live_on_entry): New function pointer.
17192 * df-scan.c (df_all_hard_regs): Removed.
17193 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17194 (df_scan_free_internal): Added df->entry_block_defs.
17195 (df_scan_alloc): Ditto.
17196 (df_scan_dump): Ditto.
17197 (df_uses_record): Plumbed flag field properly thru calls.
17198 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17199 This part fixes PR24762.
17200 (df_bb_refs_record): Added code to make the frame and arg
17201 pointers live in EH blocks.
17202 (df_refs_record): Added call to df_record_entry_block_defs.
17203 (df_record_entry_block_defs): New function.
17204 * df-core.c: Added comments to describe new artifical defs.
17205 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17206 (entry_block_defs): New field in struct df.
17207 (df_all_hard_regs): Deleted.
17208 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17209 * df-problems.c (df_ru_bb_local_compute_process_def):
17210 Added code to handle artifical defs in the entry to a function.
17211 (df_ru_bb_local_compute): Ditto.
17212 (df_rd_bb_local_compute_process_def): Ditto.
17213 (df_rd_bb_local_compute): Ditto.
17214 (df_lr_bb_local_compute): Ditto.
17215 (df_ur_bb_local_compute): Ditto.
17216 (df_urec_bb_local_compute): Ditto.
17217 (df_chain_create_bb): Ditto.
17218 (df_ur_local_finalize): Removed entry.
17219 (df_urec_init): Ditto.
17220 (df_urec_local_finalize): Ditto.
17221 (df_ri_bb_compute): Added detection of last use of pseudos.
17222 * Makefile.in (df-scan.o): Updated dependencies.
17223 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17224 * config/mips/mips.c (mips_set_live_on_entry): Added.
17225 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17227 * dce.c (marked_insn_p): Added code to handle artifical defs.
17229 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17231 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17233 (_mm_cvtsi128_si64): Likewise.
17234 (_mm_cvtsd_si64): Likewise.
17235 (_mm_cvttsd_si64): Likewise.
17236 (_mm_cvtsi64_sd): Likewise.
17237 (_mm_cvtsi64_si128): Likewise.
17238 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17239 (_mm_cvtsi64_m64): Likewise.
17240 (_m_to_int64): Likewise.
17241 (_mm_cvtm64_si64): Likewise.
17242 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17243 (_mm_cvttss_si64): Likewise.
17244 (_mm_cvtsi64_ss): Likewise.
17245 (_mm_cvtss_f32): Likewise.
17247 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17249 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17250 for pragma redefine_extname.
17252 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17255 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17256 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17257 -mno-minimal-toc to previous content.
17258 (bispecs): Remove goal.
17259 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17260 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17261 compatibility aliases on powerpc-*-*gnu*.
17262 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17263 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17264 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17265 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17266 (ldblspecs): New goal.
17267 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17268 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17270 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17271 L_sf_to_tf or L_df_to_tf is defined.
17273 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17274 Alan Modra <amodra@bigpond.net.au>
17277 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17278 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17279 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17280 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17281 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17282 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17283 (rs6000_override_options): Initialize rs6000_ieeequad.
17284 Initialize TFmode format to ibm_extended_format if not
17286 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17288 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17289 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17290 (function_arg_advance): IBM long double passed in two FPRs, not
17292 (function_arg): IBM long double passed in FPRs.
17293 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17294 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17295 Only multireg GPR aligned.
17296 (rs6000_init_libfuncs): Enable IBM long double functions if not
17298 (rs6000_generate_compare): Use IBM long double compare if not
17300 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17301 (TARGET_IEEEQUAD): Define.
17302 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17303 not TARGET_IEEEQUAD.
17304 * config/rs6000/rs6000.md: Enable TFmode patterns if
17306 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17307 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17308 and -mlong-double-128 are incompatible.
17309 * doc/invoke.texi (-mabi): Collect options together. Add
17310 ibmlongdouble and ieeelongdouble.
17312 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17314 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17316 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17317 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17318 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17319 * rtl.h (rtunion_def): Remove rt_ptr.
17321 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17322 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17323 * config/i386/winnt.c (i386_pe_mark_dllexport)
17324 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17326 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17328 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17330 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17334 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17335 pthread_key_delete. From John David Anglin. gthrw-ify
17336 pthread_getunique_np only if it it's not a macro. Delete
17338 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17339 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17340 __gthread_objc_condition_signal, __gthread_key_delete): Add
17341 "__attribute__ ((__unused__))" to unused arguments.
17342 (__gthread_recursive_mutex_init_function): Add missing return.
17343 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17344 gthr-posix95.h: Use macro-based approach for name redirection
17345 on targets missing weakref.
17347 2006-01-26 Zack Weinberg <zackw@panix.com>
17349 * genconditions.c (write_header): In generated code, #ifdef out
17350 all includes and fake declarations, except includes of bconfig.h
17351 and system.h, unless GCC_VERSION >= 3001. Do not include
17352 gensupport.h in any case.
17353 (write_conditions): Generate a definition of struct c_test. Add
17354 a comment to the generated #endif.
17355 (write_one_condition): Escape backslashes in string too.
17356 (write_writer): Generated code must escape backslashes and quote
17357 marks (but not newlines) in the strings it writes.
17358 * Makefile.in (build/gencondmd.o): Update dependencies.
17360 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17363 * Makefile.in (insn-automata.o): Add header file dependencies.
17364 * genautomata.c: Add includes.
17366 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17369 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17371 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17373 * configure.ac: Expect target tools paths to be passed from the toplevel
17374 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17376 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17378 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17381 * c.opt (Wpointer-sign): Init to -1.
17382 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17383 OPT_pedantic, to 0 otherwise.
17384 * doc/invoke.texi: Update.
17386 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17388 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17389 constants provided by 80387 instructions in the destination mode.
17391 2006-01-26 Richard Guenther <rguenther@suse.de>
17392 Andrew Pinski <pinskia@physics.uc.edu>
17395 partial PR tree-opt/17064
17396 * tree-ssa-structalias.c (intra_create_variable_infos):
17397 Create heap variables for incoming parameters if
17398 flag_argument_noalias > 1.
17399 (find_what_p_points_to): Look through default defs of
17402 2006-01-26 Jeff Law <law@redhat.com>
17405 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17406 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17407 within the VR_RANGE, use the VR_RANGE as the result, not the
17409 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17410 bounds for the type.
17412 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17414 * tree-ssa-alias.c (maybe_create_global_var): Change
17415 subvar walking to an assertion that we don't have subvar'd variables.
17417 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17420 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17421 Use a new variable, inner. PARM_DECLs are always non-weak.
17423 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17425 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17426 --disable-checking.
17428 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17430 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17432 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17434 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17435 (smax_insn, smin_insn, smax_0, smin_0): New.
17437 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17440 * config/cris/cris.c (cris_order_for_addsi3): New function.
17441 * config/cris/cris-protos.h: Prototype it.
17442 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17443 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17444 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17445 (split for "op.S1 [rx=rx+i],ry (swapped)")
17446 (split for "op(s|u).S1 [rx=rx+i],ry")
17447 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17448 Apply cris_order_for_addsi3 when generating addsi3 insns.
17450 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17452 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17453 (TREE_BLOCK): Add call to EXPR_CHECK.
17455 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17458 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17459 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17460 (dump_omp_clauses): ... here.
17461 (dump_generic_node): Handle OMP_CLAUSE.
17462 * tree.c (omp_clause_num_ops): New.
17463 (omp_clause_code_name): New.
17464 (tree_code_size): Handle OMP_CLAUSE.
17465 (tree_size): Likewise.
17466 (make_node): Document handling of OMP_CLAUSE.
17467 (tree_node_structure): Handle OMP_CLAUSE.
17468 (omp_clause_check_failed): New.
17469 (omp_clause_range_check_failed): New.
17470 (omp_clause_operand_check_failed): New.
17471 (build_omp_clause): New.
17472 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17473 * tree.h (enum omp_clause_code): Declare.
17474 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17475 (OMP_CLAUSE_RANGE_CHECK): Define.
17476 (OMP_CLAUSE_ELT_CHECK): Define.
17477 (omp_clause_check_failed): Declare.
17478 (omp_clause_operand_check_failed): Declare.
17479 (omp_clause_range_check_failed): Declare.
17480 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17481 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17482 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17483 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17484 (OMP_CLAUSE_IF_EXPR): Likewise.
17485 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17486 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17487 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17488 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17489 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17490 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17491 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17492 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17493 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17494 (OMP_CLAUSE_CODE): Define.
17495 (OMP_CLAUSE_SET_CODE): Define.
17496 (OMP_CLAUSE_CODE): Define.
17497 (OMP_CLAUSE_OPERAND): Define.
17498 (struct tree_omp_clause): Declare.
17499 (union tree_node): Add field 'omp_clause'.
17500 * treestruct.def (TS_OMP_CLAUSE): Define.
17501 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17502 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17503 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17504 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17505 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17506 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17507 (OMP_CLAUSE): Define.
17508 * print-tree.c (print_node): Handle OMP_CLAUSE.
17509 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17510 * c-typeck.c: Likewise.
17511 * gimplify.c: Likewise.
17512 * c-omp.c: Likewise.
17513 * tree-nested.c: Likewise.
17514 * tree-inline.c: Likewise.
17515 * c-parser.c: Likewise.
17516 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17519 2006-01-25 Roger Sayle <roger@eyesopen.com>
17521 PR rtl-optimization/25703
17522 * combine.c (try_combine): Handle zero_extract and strict_low_part
17523 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17525 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17527 * global.c: Fix comment typos.
17529 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17532 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17533 Use output_addr_const instead of assemble_name.
17535 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17537 * Makefile.in (sched-vis.o): Update dependencies.
17538 * haifa-sched.c (sched_finish): Clear current_sched_info.
17539 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17540 (dump_flow_info): Call it.
17541 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17543 * basic-block.h (dump_bb_info): Declare.
17544 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17545 option, and apply options only for dump files whose TDF_RTL,
17546 TDF_TREE, or TDF_IPA bits match.
17547 * rtl.h: Declare new functions exported from sched-vis.c.
17548 * sched-vis.c: Enable also if scheduling is not used.
17549 (print_value): Print the mode of registers if not inside scheduling.
17550 (print_insn): Make it work outside the scheduler. Beautify the output
17552 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17554 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17556 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17557 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17558 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17559 depending on the value of CONSTANT_POOL_ADDRESS_P.
17560 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17562 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17563 rather than SYMBOL_REF_DECL.
17564 (rtx_constant_pool): Remove const_rtx_sym_htab.
17565 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17566 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17567 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17568 Remove handling of const_rtx_sym_htab.
17569 (find_pool_constant): Delete.
17570 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17571 rather than find_pool_constant.
17572 (get_pool_constant_for_function): Delete.
17573 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17574 find_pool_constant.
17575 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17576 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17577 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17578 (SYMBOL_REF_CONSTANT): New macro.
17579 (get_pool_constant_for_function): Delete.
17580 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17581 rather than SYMBOL_REF_DECL.
17582 (i386_pe_mark_dllimport): Likewise.
17583 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17584 rather than SYMBOL_REF_DECL.
17585 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17586 (machopic_indirect_call_target): Likewise.
17588 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17590 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17592 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17594 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17596 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17598 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17600 2006-01-24 David Daney <ddaney@avtrex.com>
17603 * configure.ac (enable_tls): New enable option.
17604 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17605 * configure: Regenerate.
17606 * doc/install.texi (--enable-tls): Document new option.
17607 (--disable-tls): Ditto.
17609 2006-01-24 Richard Henderson <rth@redehat.com>
17611 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17612 * alias.c (true_dependence): Respect it.
17613 (canon_true_dependence, write_dependence_p): Likewise.
17614 * builtins.c (get_builtin_sync_mem): Set it.
17616 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17618 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17621 2006-01-24 DJ Delorie <dj@redhat.com>
17623 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17624 for storing constants in single-bit bitfields.
17626 2006-01-25 Ben Elliston <bje@au.ibm.com>
17628 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17630 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17633 * tree-ssa-pre.c (phi_translate): Return NULL
17634 for AGGREGATE_TYPE's.
17636 2006-01-24 Zack Weinberg <zackw@panix.com>
17638 * genautomata.c (process_state_for_insn_equiv_partition):
17639 Use xcalloc for insn_arcs_array.
17640 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17641 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17643 2006-01-24 Richard Henderson <rth@redhat.com>
17645 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17646 update all callers.
17648 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17650 PR rtl-optimization/25890
17651 PR rtl-optimization/25905
17652 * combine.c (expand_compound_operation, expand_field_assignment):
17653 Fail if the bitfield's final position is out of bounds.
17655 2006-01-24 Ian Lance Taylor <ian@airs.com>
17657 PR middle-end/25930
17658 * cgraphunit.c (cgraph_output_in_order): Don't clear
17659 cgraph_asm_nodes until after asm strings have been output.
17661 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17663 * fix-header.c (read_scan_file): Add new parameter imultilib when
17664 calling register_include_chains.
17666 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17668 * omp-low.c: Update documentation.
17670 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17671 Daniel Berlin <dberlin@dberlin.org>
17675 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17676 return from the function.
17678 2006-01-22 Zack Weinberg <zackw@panix.com>
17680 * rtl.def (match_code): Add second argument.
17681 * genpreds.c (write_extract_subexp): New function.
17682 (write_match_code): Add path argument. Use write_extract_subexp.
17683 (write_predicate_expr): Pass path to write_match_code.
17684 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17685 not perform a mode test.
17686 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17687 a subexpression does not constrain the top-level code set.
17688 * read-rtl.c (read_rtx_variadic): New function.
17689 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17690 * doc/md.texi: Document new notation.
17691 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17692 (cmpsi_operand): ... here, using new notation.
17694 2006-01-22 Zack Weinberg <zackw@panix.com>
17696 * varray.c: Remove GENERATOR_FILE #ifdefs.
17698 2006-01-22 Zack Weinberg <zackw@panix.com>
17700 * genautomata.c (output_reserved_units_table): Emit nothing if
17701 description->query_units_num is zero. Remove extra blank line.
17702 (output_cpu_unit_reservation_p): Short circuit
17703 if description->query_units_num is zero.
17705 2006-01-22 Zack Weinberg <zackw@panix.com>
17707 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17708 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17709 nor any of the random handful of variables that used to be necessary
17710 when this program was linked with rtlanal.o. Prune set of forward
17711 function declarations.
17712 (struct attr_desc): Remove static_p field.
17713 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17714 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17715 (attr_string): Do not read the character one past the length of
17717 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17718 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17719 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17720 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17721 (make_automaton_attrs): New.
17722 (main): Do not call into genautomata. Call local gen_bypass
17723 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17724 Remove special case for insn_alts.
17725 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17726 varray.h (leftover from previous change). Prune set of forward
17727 function declarations. Remove state_alts fields from all
17728 structures. Remove state_alts_table from struct automaton.
17729 Make everything except main static. Do not maintain num_dfa_decls.
17730 Do not maintain state_alts fields of various structures.
17731 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17732 (add_arc): Remove state_alts argument. All callers updated.
17733 (output_reserved_units_table): Emit #ifdef here...
17734 (output_tables): ...not here. Don't generate state_alts tables.
17735 (expand_automata): Don't generate attributes.
17736 (write_automata): Don't generate state_alts functions.
17737 (main): New function.
17738 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17739 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17740 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17741 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17742 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17743 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17744 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17745 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17747 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17748 * genattrtab.h: Delete file.
17749 * Makefile.in (OBJS-common): Add insn-automata.o.
17750 (insn-automata.o): New rule.
17751 (simple_generated_c): Add insn-automata.c.
17752 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17753 (genprogmd): Add automata.
17754 (build/genattrtab): Needs no extra objects nor libraries.
17755 (build/genautomata): Needs build/vec.o and -lm.
17757 2006-01-22 Zack Weinberg <zackw@panix.com>
17759 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17760 (output_dfa_max_issue_rate, locked_states_num): Delete.
17761 (struct automaton): Add locked_states field.
17762 (output_dead_lock_vect): Save number of locked states in
17763 automaton->locked_states. If it is zero, don't print anything.
17764 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17765 (output_internal_dead_lock_func): Only test the dead_lock_vect
17766 for automata that have locked states.
17767 (output_statistics): Always print the number of locked states for
17768 each automaton. Calculate total number of locked states here.
17769 (write_automata): Don't call output_dfa_max_issue_rate.
17770 * genattrtab.c: Define length_unit_log as a const variable.
17771 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17772 max_insn_queue_index const.
17773 * final.c (length_unit_log): Declare const.
17774 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17776 2006-01-22 Zack Weinberg <zackw@panix.com>
17778 * genautomata.c: Include vec.h, not varray.h.
17779 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17780 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17781 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17782 VEC_* macros operating on appropriately typed vectors, or to
17783 malloced arrays when the size is known in advance. Const-ify
17784 many char* variables and function arguments. No functional changes.
17785 * Makefile.in (build/varray.o): Delete rule.
17786 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17787 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17789 2006-01-22 Zack Weinberg <zackw@panix.com>
17791 * gensupport.c: Define get_insn_name and record_insn_name here.
17792 (read_md_rtx): Call record_insn_name as appropriate.
17793 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17794 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17795 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17797 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17798 (BUILD_VARRAY): Delete.
17799 (genprognormal): Rename genprogmd. Fold in all programs from
17800 genprognoprint; also attrtab.
17801 (build/genattrtab): Just mention genautomata.o and varray.o.
17802 Reorganize a bit, add comments to make the categories clearer.
17804 2006-01-22 Zack Weinberg <zackw@panix.com>
17806 * genconditions.c (condition_table, add_condition): Delete.
17807 (write_conditions): Don't emit n_insn_conditions nor
17808 insn_elision_unavailable. Issue the gcc version #ifdef here,
17809 inside the table, with no #else clause ...
17810 (write_header): ...not here.
17811 (write_writer): New function.
17812 (main): Don't initialize condition_table. Use add_c_test.
17814 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17815 files on the command line.
17816 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17817 Return -1 if there is no entry in the table, don't abort.
17818 (add_c_test, traverse_c_tests): New functions.
17819 * gensupport.h (insn_elision_unavailable, insn_conditions)
17820 (n_insn_conditions): Delete declarations.
17821 (add_c_test, traverse_c_tests): Declare.
17822 * read-rtl.c: Include gensupport.h.
17823 (read_conditions): New function.
17824 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17825 (read_rtx_1): If we get EOF when we were looking for an initial
17826 open paren, return 0. Call read_conditions when appropriate.
17827 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17828 dummy-conditions.o. Eliminate references to insn-conditions.o,
17829 or change them to build/gencondmd.o, as appropriate. Remove
17830 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17831 from $(simple_generated_c). For all files remaining in those
17832 two lists, add insn-conditions.md to the generator command line.
17833 Give insn-constants.h/s-constants their own rules. Add rules
17834 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17835 (build/read-rtl.o): Depend on gensupport.h.
17836 (genprognormal): Include preds.
17837 (genprogearly): Rename genprognoprint; only difference is now that
17838 they don't link with $(BUILD_PRINT).
17839 * dummy-conditions.c: Delete.
17841 2006-01-22 Zack Weinberg <zackw@panix.com>
17843 * genextract.c: Don't include insn-config.h. Do include vec.h.
17844 Declare vectors of int, char, and locstr.
17845 (locstr): New typedef.
17846 (struct extraction): Make all array fields into bare pointers.
17847 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17848 (insn_code_number): Delete.
17849 (accum_extract): New struct.
17850 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17851 (gen_insn): Take insn_code_number as an argument. Use an
17852 accum_extract structure instead of loading data directly into
17853 a struct extraction, and having to know how big it might get.
17854 (walk_rtx): Operate entirely on an accum_extract structure.
17855 (print_path): Avoid unnecessary use of printf.
17856 (print_header): New function, split out of main. Distinguish
17857 more carefully between an unrecognizable insn and an insn that
17858 has the code number of a define_expand.
17859 (main): Pass insn_code_number to gen_insn. Call print_header
17860 only after parsing. Avoid unnecessary use of printf.
17861 * Makefile.in (build/vec.o): New rule.
17862 (build/genextract): Depend on build/vec.o.
17863 (build/genextract.o): Don't depend on insn-config.h.
17865 2006-01-22 Zack Weinberg <zackw@panix.com>
17867 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17868 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17869 practical. Eliminate per-generator-program link rules.
17871 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17873 PR middle-end/24437
17874 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17875 with a call expr to ...
17876 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17878 2006-01-23 Richard Guenther <rguenther@suse.de>
17880 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17881 before make_edge with conditional EDGE_TRUE_VALUE.
17883 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17884 Jan Hubicka <jh@suse.cz>
17885 Richard Guenther <rguenther@suse.de>
17887 PR rtl-optimization/25654
17888 * cfgexpand.c (aggregate_contains_union_type): New function.
17889 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17890 for structure variables that contain a union type.
17892 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17894 * gengtype.c (new_structure): Return the structure.
17895 (create_option): Add an extra "next" argument.
17896 (create_field): New function.
17897 (adjust_field_rtx_def): Use create_option and create_field.
17898 Remove a now-unnecessary call to find_structure.
17899 (adjust_field_tree_def): Likewise.
17900 (note_yacc_type): Remove an unnecessary call to find_structure.
17901 * gengtype.h (new_structure): Return the structure.
17902 (create_option): Add an extra argument.
17903 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17904 (option): Adjust calls to create_option.
17906 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17908 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17910 2006-01-22 Paul Brook <paul@codesourcery.com>
17911 Peter Barada <peter@the-baradas.com>
17913 * config/m68k/m68k.md: Add Coldfire FPU support.
17914 Define FP mode macro and associated attributes.
17915 Use it for float mode patterns.
17916 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17917 (LIBCALL_VALUE): Use m68k_libcall_value.
17918 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17919 (m68k_function_value): Ditto.
17920 (emit_move_sequence): Ditto.
17921 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17922 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17923 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17924 (MULTILIB_EXCEPTIONS): Ditto.
17925 * config/m68k/m68k.opt: Add mcfv4e.
17926 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17927 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17928 (m68k_output_function_prologue): Save ColdFire FPU registers.
17929 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17930 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17931 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17932 ColdFire FPU registers.
17933 (m68k_libcall_value, m68k_function_value): New functions.
17934 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17935 (LIBCALL_VALUE): Use m68k_libcall_value.
17936 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17937 (MASK_COLDFIRE): Add MASK_CFV4E.
17938 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17939 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17940 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17941 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17942 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17943 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17944 * doc/invoke.tex: Document -mcfv4e on m68k.
17946 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17948 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17951 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17954 * c-opts.c (c_common_handle_option): Don't include
17955 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17956 * doc/invoke.texi (C++ Dialect Options): Document that
17957 -Wnon-virtual-dtor is no longer included in -Wall.
17959 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17961 * gcov.c (print_version), gcov-dump.c (print_version),
17962 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17965 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17967 * df-scan.c (problem_SCAN): Added NULL reset function.
17968 (df_scan_reset_blocks): Added code to call reset block function
17969 (df_bb_refs_delete) Fixed comment.
17970 (df_insn_refs_delete): Made tolerant of deleting non existent info
17971 for dataflow problems that need to be reset.
17972 * df-core.c (df_set_blocks): Ditto.
17973 * df.h (struct df_problem): Added reset_fun.
17974 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17975 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17976 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17977 functions to clear out all references to def-use or use-def chains.
17979 2006-01-21 Ben Elliston <bje@au.ibm.com>
17981 * varasm.c (assemble_real): Initialise data array.
17983 2006-01-20 Paul Brook <paul@codesourcery.com>
17985 Merge from csl-arm-branch.
17986 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17987 * config/arm/arm.md (movdi): Force operands[1] to a register
17988 if we have a non-register source.
17989 (*arm_movdi, *movdf_soft_insn): Require that one of the
17990 operands be a register.
17991 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17992 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17994 2006-01-20 DJ Delorie <dj@redhat.com>
17996 * varasm.c (initializer_constant_valid_p): Allow pointers
17997 initialized from integer constants of lesser precision.
17998 (output_constant): Allow non-int-sized pointer modes to be
17999 initialized from integer constants.
18001 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18004 * cppdefault.h (struct default_include): Add multilib flag.
18005 * cppdefault.c (cpp_include_defaults): Set it.
18006 * c.opt (-imultilib): New option.
18007 * c-opts.c (imultilib): New.
18008 (c_common_handle_option): Handle -imultilib.
18009 (c_common_post_options): Likewise.
18010 * c-incpath.c (add_standard_paths, register_include_chains):
18012 * c-incpath.h (register_include_chains): Add extra parameter.
18013 * gcc.c (do_spec_1): Generate -imultilib option.
18014 (The Specs Language): Update %I description.
18015 (process_command): Update copyright notice.
18016 * doc/cppopts.texi (-imultilib): Document.
18017 * doc/invoke.texi (-imultilib): Include in option summary.
18018 (%I): Update specs documentation.
18020 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18022 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18024 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18026 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18029 2006-01-20 Richard Guenther <rguenther@suse.de>
18030 Steven Bosscher <stevenb.gcc@gmail.com>
18032 PR rtl-optimization/24626
18033 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18034 EDGE_TRUE_VALUE if in RTL mode.
18037 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18038 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18040 2006-01-20 Dirk Mueller <dmueller@suse.com>
18043 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18044 instead of a special NOP marker.
18045 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18046 NOP marker handling.
18047 * c-common.h (empty_body_warning): Add forward declaration.
18048 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18049 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18051 2006-01-20 Paul Brook <paul@codesourcery.com>
18053 * Makefile.in (lang_checks): Keep going if mkdir fails.
18055 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18057 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18058 be able to clean out basic block when not necessary.
18059 (df_scan_free): Fixed to properly delete information if df is
18060 unused before calling df_finish.
18061 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18062 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18064 (df_bb_refs_delete): New function.
18065 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18066 * df-core.c (df_set_blocks): Added code to properly clean out
18067 unused blocks if they are not part of the blocks to consider.
18068 Added additional null check.
18069 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18070 be able to clean out basic block when not necessary
18071 * df.h (df_free_bb_function): Ditto.
18072 (df_bb_refs_delete): New function.
18073 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18074 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18075 basic block parameter to be able to clean out basic block when not
18077 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18078 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18079 Fixed to properly delete information if df is unused before
18082 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18084 PR rtl-optimization/25799
18085 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18086 Corrected confluence operator to remove bits from op2 before oring
18087 with op1 rather than removing bits from op1.
18088 (df_ru_transfer_function): Corrected test on wrong bitmap which
18089 caused infinite loop. Both of these problems were introduced in
18090 the dataflow rewrite.
18092 2006-01-19 DJ Delorie <dj@redhat.com>
18094 * reload1.c (find_reload_regs): Note the details of reload
18095 failures in the dump file.
18096 (spill_failure): Likewise.
18098 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18100 * loop-iv.c: Include df.h and hashtab.h.
18101 (enum iv_grd_result): New enum.
18102 (DF_REF_IV, DF_REF_IV_SET): New macros.
18103 (struct biv_entry): New.
18104 (df, bivs): New global variables.
18105 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18106 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18108 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18109 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18110 analyzed_for_bivness_p, record_biv): New functions.
18111 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18112 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18113 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18115 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18117 (iv_number_of_iterations): Use new interface to iv analysis.
18118 * loop-unroll.c: Do not include varray.h.
18119 (analyze_iv_to_split_insn): Use new interface to iv
18121 * loop-unswitch.c (may_unswitch_on): Ditto.
18122 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18124 (df_bb_modify): Realloc tables to the new index.
18125 (df_find_use): New function.
18126 * df.h (df_find_use): Declare.
18127 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18129 * cfgloop.h (struct rtx_iv): Remove analysed field.
18130 (iv_get_reaching_def): Removed.
18131 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18132 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18133 (loop-iv.o): Add df.h and hashtab.h dependency.
18134 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18136 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18139 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18141 (__floatundisf, __floatundidf): Likewise.
18142 * libgcc2.h (IS_IBM_EXTENDED): Define.
18144 2006-01-19 DJ Delorie <dj@redhat.com>
18146 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18148 2006-01-19 Paul Brook <paul@codesourcery.com>
18150 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18151 as nothrow when unwinding tables are disabled.
18153 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18156 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18157 of bit-field" when in system header.
18159 2006-01-19 DJ Delorie <dj@redhat.com>
18161 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18162 the 16 bit shift limit of the m16c.
18164 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18167 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18168 * config/i386/i386.c (output_set_got): Output the label if we have one
18169 for the TARGET_DEEP_BRANCH_PREDICTION case.
18171 2006-01-19 Jan Hubicka <jh@suse.cz>
18172 H.J. Lu <hongjiu.lu@intel.com>
18173 Evandro Menezes <evandro.menezes@amd.com>
18175 * invoke.texi (generic): Document
18177 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18178 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18179 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18180 (x86_use_incdec, x86_pad_returns): New variables
18181 (TARGET_CPU_DEFAULT_generic): New constant
18182 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18183 (enum processor_type): Add generic32 and generic64.
18184 * i386.md (cpu attribute): Add generic32/generic64
18185 (movhi splitter): Behave sanely when both partial_reg_dependency and
18186 partial_reg_stall are set.
18187 (K8 splitters): Enable for generic as well.
18188 * predicates.md (incdec_operand): Use TARGET_INCDEC
18189 (aligned_operand): Avoid memory mismatch stalls.
18190 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18191 * ppro.md: Enable for generic32
18192 * i386.c (generic64_cost, generic32_cost): New.
18193 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18194 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18195 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18196 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18197 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18198 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18199 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18200 x86_accumulate_outgoing_args, x86_prologue_using_move,
18201 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18202 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18203 Enable for generic.
18204 (x86_use_incdec, x86_pad_returns): New.
18205 (override_options): Add generic32 and generic64, translate "generic"
18206 to generic32/generic64 and "i686" to "generic32", refuse
18207 "generic32"/"generic64" as arch target.
18208 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18209 (ix86_reorg): Honor PAD_RETURNS.
18211 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18213 * tree-pretty-print.c (dump_generic_node): Handle
18214 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18215 * cgraph.c (cgraph_expand_queue): Rename from
18216 cgraph_analyze_queue. Update all users.
18217 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18218 cgraph_expand_queue.
18219 (cgraph_expand_all_functions): Likewise.
18220 (cgraph_finalize_pending_functions): Remove. Update callers.
18222 * tree.h (OMP_DIRECTIVE_P): Define.
18223 (OMP_PARALLEL_FN): Define.
18224 (OMP_PARALLEL_DATA_ARG): Define.
18225 (OMP_SECTIONS_SECTIONS): Define.
18226 * tree-pass.h (pass_expand_omp): Declare.
18227 * omp-low.c (struct omp_region): Declare.
18228 (struct omp_context): Remove fields 'parallel_type',
18229 'parallel_start_ix' and 'parallel_start_additional_args'.
18231 (struct omp_for_data): Rename from struct expand_omp_for_data.
18232 (omp_regions): New static variable.
18233 (root_omp_region): New static variable.
18234 (find_omp_clause): Make static.
18235 (is_in_combined_parallel_ctx): Remove.
18236 (is_combined_parallel): New.
18237 (extract_omp_for_data): Move earlier in the file.
18238 (workshare_safe_to_combine_p): New.
18239 (get_ws_args_for): New.
18240 (determine_parallel_type): Move earlier in the file.
18241 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18243 (omp_copy_decl): Likewise.
18244 (create_omp_child_function): Likewise.
18245 (lookup_omp_region): New.
18246 (dump_omp_region): New.
18247 (debug_omp_region): New.
18248 (debug_all_omp_regions): New.
18249 (new_omp_region): New.
18250 (scan_omp_parallel): If parallel_nesting_level > 1, the
18251 directive is nested within another parallel directive.
18252 Set OMP_PARALLEL_FN.
18253 (scan_omp_for): Do not try to handle combined parallel+for
18255 Remove FIXME comment.
18256 (scan_omp_nested): Remove.
18257 (scan_omp_1): Do not call scan_omp_nested when
18258 parallel_nesting_level is > 1.
18259 Do not change the DECL_CONTEXT of local variables found.
18260 (lookup_decl_in_outer_ctx): New.
18261 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18262 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18263 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18264 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18265 If CTX is nested, lookup VAR in the outer context when
18266 building copy assignment.
18267 (lower_send_clauses): Rename from expand_send_clauses.
18268 If CTX is nested, lookup VAR in the outer context when
18269 building copy assignments.
18270 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18271 If CTX is nested, lookup VAR in the outer context when
18272 building copy assignments.
18273 (expand_parallel_call): Rename from build_parallel_call.
18274 Handle combined parallel+workshare cases.
18275 Re-implement to emit code into the CFG.
18277 (expand_omp_parallel): Re-implement to emit code into the CFG.
18278 Call move_sese_region_to_fn to outline the sub-graph
18279 containing the parallel region.
18280 (expand_omp_for_1): Remove.
18281 (expand_omp_for_generic): Re-implement to emit code into the
18283 (expand_omp_for_static_nochunk): Likewise.
18284 (expand_omp_for_static_chunk): Likewise.
18285 (expand_omp_for): Likewise.
18286 (expand_omp_sections): Likewise.
18287 (remove_exit_barriers): New.
18288 (expand_omp_synch): New.
18290 (build_omp_regions_1): New.
18291 (build_omp_regions): New.
18292 (execute_expand_omp): New.
18293 (gate_expand_omp): New.
18294 (pass_expand_omp): Define.
18295 (lower_omp_sections): Rename from expand_omp_sections.
18296 Set OMP_SECTIONS_SECTIONS.
18297 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18298 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18299 (lower_omp_single): Rename from expand_omp_simple.
18300 (lower_omp_master): Rename from expand_omp_master.
18301 (lower_omp_ordered): Rename from expand_omp_ordered.
18302 (lower_omp_critical): Rename from expand_omp_critical.
18303 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18304 (lower_omp_for): Re-implement.
18305 (lower_omp_parallel): Re-implement.
18306 (lower_regimplify): Rename from expand_regimplify.
18307 (lower_omp_1): Rename from expand_omp_1.
18308 If there are syntax errors in the program, replace every
18309 OpenMP directive with NOP.
18310 Call lower_omp_* instead of expand_omp_*.
18311 (lower_omp): Rename from expand_omp.
18313 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18314 * tree-gimple.h (enum omp_parallel_type): Remove.
18315 (gimple_boolify): Declare extern.
18316 (find_omp_clause, determine_parallel_type): Remove.
18318 * gimple-low.c (lower_omp_directive): New.
18319 (lower_stmt): Call it.
18320 (record_vars_into): Move from ...
18321 (record_vars): ... here.
18322 Call record_vars_into with current_function_decl.
18324 * gimplify.c (struct gimplify_ctx): Remove fields
18325 combined_pre_p and combined_ctxp. Update users.
18326 (get_formal_tmp_var): Add documentation.
18327 (gimple_boolify): Make extern.
18328 (gimplify_expr_in_ctx): Remove. Update callers.
18329 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18330 will always be a BIND_EXPR.
18331 (gimplify_expr): Handle OMP_RETURN_EXPR.
18332 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18333 (OMP_PARALLEL): Add 3 operands.
18334 (OMP_SECTIONS): Add 1 operand.
18335 (OMP_RETURN_EXPR): Define.
18337 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18338 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18339 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18340 creating a circular free list.
18341 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18343 * tree-flow.h (move_sese_region_to_fn): Declare.
18344 (record_vars_into): Declare.
18345 * tree-cfg.c (make_omp_sections_edges): New.
18346 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18347 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18348 OMP_SECTIONS and OMP_SECTION.
18349 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18350 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18351 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18352 (gather_blocks_in_sese_region): New.
18353 (struct move_stmt_d): Declare.
18354 (move_stmt_r): New.
18355 (move_block_to_fn): New.
18356 (move_sese_region_to_fn): New.
18358 * passes.c (init_optimization_passes): Schedule
18359 pass_expand_omp after pass_init_datastructures.
18361 * tree-ssa-operands.c (get_expr_operands): Handle
18362 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18363 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18365 2006-01-19 Jeff Law <law@redhat.com>
18367 * tree-vrp.c (extract_range_from_assert): Refine the result range
18368 if the variable referenced by the ASSERT_EXPR has a range and
18369 either the tentative result range or the previous range is a
18372 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18374 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18376 2006-01-19 Jan Hubicka <jh@suse.cz>
18378 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18380 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18382 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18383 (expand_compound_operation, expand_field_assignment): Fail if the
18384 bit lengths of an extract operation are out of range.
18385 (make_extraction): Compute wanted_inner_mode based on the position
18386 and length of the extraction. Make it extraction_mode for non-constant
18387 positions, and do not modify offset in that case. When generating a
18388 new MEM, use a mode that can hold the extraction while keeping correct
18389 alignment. Remove code that supported MEMs wrapped by USEs.
18390 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18392 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18394 * config/s390/s390.md ("Y", "y"): New mode attribute.
18395 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18396 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18397 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18398 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18399 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18400 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18401 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18402 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18403 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18404 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18405 "addsi3", "subsi3"): Insn patterns removed.
18406 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18407 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18408 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18409 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18410 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18411 "*sub<mode>3_cconly2"): New insn patterns.
18412 ("addsi3", "subsi3"): New expanders.
18414 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18416 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18417 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18418 existing STMT_VINFO_VECTYPE if available.
18419 (vect_mark_relevant): Add special handling for stmts that are
18420 marked as STMT_VINFO_IN_PATTERN_P.
18421 (vect_analyze_loop): Call vect_pattern_recog.
18422 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18423 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18425 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18426 (vect_recog_func_ptr): New function-pointer type.
18427 * tree-vect-patterns.c: New file.
18428 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18429 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18430 (vect_pattern_recog_1): New functions.
18431 (vect_pattern_recog_funcs): New array of function pointers.
18433 * tree-vectorizer.h (ternary_op): New enum value.
18434 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18435 declaration. Revised documentation. Removed redundant dump prints.
18436 Removed redundant argument. Added support for reduction patterns.
18437 (vectorizable_reduction): Added support for reduction patterns.
18438 (vect_transform_stmt): Added support for patterns.
18440 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18441 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18442 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18443 (expand_widen_pattern_expr): New function.
18444 (init_optabs): Initialize new optabs udot_prod_optab,
18446 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18447 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18448 (expand_widen_pattern_expr): New function declaration.
18449 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18451 * tree-inline.c (estimate_num_insns_1): Added cases for new
18452 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18453 * tree-pretty-print.c (dump_generic_node): Likewise.
18454 (op_prio): Likewise.
18455 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18456 * tree-ssa-operands.c (get_expr_operands): Added case for
18458 * tree-vect-patterns.c (widened_name_p): New function.
18459 (vect_recog_dot_prod_pattern): Added function implementation.
18460 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18461 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18462 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18463 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18465 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18466 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18467 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18468 (init_optabs): Initialize new optabs widen_ssum_optab,
18470 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18471 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18472 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18473 use instead of type of def.
18474 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18475 function implementation.
18476 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18477 widen_ssumv8hi): New.
18479 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18482 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18485 * c-decl.c (add_flexible_array_elts_to_size): New function.
18486 (finish_decl): Use it.
18488 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18490 * diagnostic.h: Include options.h.
18491 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18492 dependancies for diagnostic.h.
18493 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18495 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18497 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18498 (ssa_ro_call_cache_valid): Ditto.
18499 * tree-ssa-alias.c (sort_tags_by_id): New function.
18500 (init_transitive_clobber_worklist): Ditto.
18501 (add_to_worklist): Ditto.
18502 (mark_aliases_call_clobbered): Ditto.
18503 (compute_tag_properties): Ditto.
18504 (set_initial_properties): Ditto.
18505 (compute_call_clobbered): Ditto.
18506 (compute_may_aliases): Call compute_call_clobbered and grouping.
18507 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18508 (compute_flow_insensitive_aliasing): Grouping now happens in our
18510 (setup_pointers_and_addressables): Remove clobbering related code.
18511 (add_may_alias): Ditto.
18512 (replace_may_alias): Ditto.
18513 (get_nmt_for): Ditto.
18514 (create_global_var):
18515 (is_escape_site): Return an escape_type enumeration.
18516 * tree-flow-inline.h (is_call_clobbered): Global var does not
18517 imply call clobbered.
18518 (mark_call_clobbered): Take a reason for marking this. Remove
18519 marking of globalness, and cache invalidation.
18520 (clear_call_clobbered): Remove cache invalidation code.
18521 * tree-dfa.c (dump_variable): If details is on, dump the reason
18523 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18525 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18526 (struct var_ann_d): Ditto.
18527 (enum escape_type): New.
18528 (mark_call_clobbered): Adjust prototype.
18529 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18530 are never call clobbered.
18531 Record reasons for escaping.
18532 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18533 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18534 (ssa_ro_call_cache_valid): Ditto.
18535 (clobbered_v_may_defs): Ditto.
18536 (clobbered_vuses): Ditto.
18537 (ro_call_vuses): Ditto.
18538 (clobber_stats): New.
18539 (init_ssa_operands): Zero out clobber stats.
18540 (fini_ssa_operands): Print out clobber stats.
18541 (get_call_expr_operands): Pass callee fndecl to
18542 add_call_read_ops).
18543 (add_call_clobber_ops): Remove use of cache.
18544 Add use of PURE_CONST information.
18545 (add_call_read_ops): Remove use of cache.
18546 Add use of static not_read information.
18548 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18550 Introduce TLS descriptors for i386 and x86_64.
18551 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18552 (TARGET_ANY_GNU_TLS): New macro.
18553 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18554 (struct machine_function): Add tls_descriptor_call_expanded_p.
18555 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18556 (ix86_current_function_calls_tls_descriptor): Likewise.
18557 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18558 (override_options): Introduce gnu2 tls dialect.
18559 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18561 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18563 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18564 (ix86_init_machine_status): Initialize new field.
18565 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18566 (ix86_tls_module_base): New.
18567 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18568 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18569 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18570 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18571 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18572 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18573 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18574 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18575 * config/i386/predicates.md (tls_modbase_operand): New.
18576 (tp_or_register_operand): New.
18578 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18580 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18581 (look_for_address_of): Ditto.
18582 (ipa_init): Walk the function decls.
18583 (static_execute): Don't set readonly on FUNCTION_DECL's.
18585 2006-01-18 Roger Sayle <roger@eyesopen.com>
18587 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18588 for shifts where the source and destination registers are different.
18590 2006-01-18 Paul Brook <paul@codesourcery.com>
18592 Merge from csl-arm-branch.
18593 2005-03-14 Julian Brown <julian@codesourcery.com>
18594 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18595 (aeabi_llsl): Likewise.
18596 (ashrdi3): Likewise.
18597 (aeabi_lasr): Likewise.
18598 (lshrdi3): Likewise.
18599 (aeabi_llsr): Likewise.
18600 2005-03-10 Julian Brown <julian@codesourcery.com>
18601 * config.gcc: Disable shared libgcc for SymbianOS.
18602 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18604 2006-01-18 DJ Delorie <dj@redhat.com>
18606 * c-pragma.c (handle_pragma_diagnostic): New.
18607 (init_pragma): Register it.
18608 * doc/extend.texi: Document it.
18610 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18611 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18612 (diagnostic_context): Add classify_diagnostic[].
18613 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18614 as errors if they're overridden to DK_WARNING.
18615 (diagnostic_initialize): Initialize classify_diagnostic[].
18616 (diagnostic_set_kind_override): New.
18617 (diagnostic_report_diagnostic): Check for kind changes.
18618 * opts.c (common_handle_option): Take lang_mask. Update callers.
18619 Handle OPT_Werror_.
18620 * common.opt (Werror=): New.
18621 * doc/invoke.texi: Document -Werror=*
18623 2006-01-18 Jeff Law <law@redhat.com>
18625 * tree-vrp.c (test_for_singularity): Correct test for new
18626 min limit. Use operand_equal_p rather than pointer equality
18627 for testing if new min/max values are equal.
18629 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18630 using range information until after propagation and folding.
18632 2006-01-18 Richard Henderson <rth@redhat.com>
18633 Aldy Hernandez <aldyh@redhat.com>
18634 Jakub Jelinek <jakub@redhat.com>
18635 Diego Novillo <dnovillo@redhat.com>
18637 * omp-low.c: New file.
18638 * c-omp.c: New file.
18640 2006-01-18 Richard Henderson <rth@redhat.com>
18641 Jakub Jelinek <jakub@redhat.com>
18642 Diego Novillo <dnovillo@redhat.com>
18644 * doc/invoke.texi: Document -fopenmp.
18645 * tree-dump.h (debug_function): Declare.
18646 * hooks.c (hook_bool_tree_bool_false): New function.
18647 (hook_tree_tree_null): Remove.
18648 (hook_tree_tree_tree_null): New.
18649 * hooks.h: Update to match.
18650 * tree-pretty-print.c (debug_tree_chain): New.
18651 (print_generic_expr): Handle TDF_CHAIN.
18652 (dump_generic_node): Handle BLOCK.
18653 Do not abort with incomplete SWITCH_EXPRs.
18654 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18655 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18656 print space after directive name.
18657 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18658 Handle OMP_MASTER and OMP_ORDERED.
18659 Handle printing of OMP_BODY just in one place, goto
18660 dump_omp_body in the rest of OMP_* nodes that have
18662 Don't handle clause nodes here. Update omp statements to
18663 use dump_omp_clauses.
18664 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18665 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18666 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18667 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18668 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18669 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18670 Adjust output for GOMP_PARALLEL.
18671 (dump_omp_clauses): New.
18672 (print_declaration): Dump DECL_VALUE_EXPR.
18673 (op_symbol_1): Split out of op_symbol.
18674 (dumping_stmts): Remove. Update all users.
18675 * cgraph.c (cgraph_analyze_queue): New.
18676 (cgraph_add_new_function): New.
18677 * cgraph.h (cgraph_analyze_queue): Declare.
18678 (cgraph_add_new_function): Declare.
18679 (cgraph_lower_function): Remove.
18680 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18681 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18682 and TYPE_P nodes in its default clause.
18683 (empty_body_p): New.
18684 (tree_range_check_failed): New.
18685 (build5_stat): New.
18686 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18687 OMP_CLAUSE_REDUCTION_MERGE,
18688 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18689 OMP_CLAUSE_PRIVATE_DEBUG,
18690 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18691 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18692 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18693 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18694 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18695 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18696 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18697 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18698 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18699 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18700 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18701 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18702 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18703 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18704 (TREE_RANGE_CHECK): New.
18705 (empty_body_p): Declare.
18706 (enum omp_clause_default_kind): New.
18707 (build_string_literal): Declare.
18708 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18709 (build5_stat, build5): Declare.
18710 * tree-pass.h (TDF_CHAIN): Define.
18711 * tree-pass.h (PROP_gimple_lomp): Define.
18712 (pass_lower_omp): Declare.
18713 * diagnostic.h (debug_tree_chain): Declare.
18714 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18716 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18717 * builtins.c (build_string_literal): Make extern.
18718 * gcc.c (include_spec_function): New.
18719 (static_spec_functions): Add it.
18720 (main): Move load of libgomp.spec ...
18721 (LINK_COMMAND_SPEC): ... here.
18722 (link_gomp_spec): New.
18723 (static_specs): Include it.
18724 (LINK_COMMAND_SPEC): Add link_gomp.
18725 (GOMP_SELF_SPECS): New.
18726 (driver_self_specs): Include it.
18727 (switch_matches): Don't mark inline.
18728 (main): Load libgomp.spec.
18729 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18730 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18731 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18732 * tree-gimple.h (enum omp_parallel): Declare.
18733 (determine_parallel_type): Declare.
18734 (omp_firstprivatize_variable): Declare.
18735 (omp_reduction_init): Declare.
18736 (diagnose_omp_structured_block_errors): Declare.
18737 (struct walk_stmt_info): Add want_return_expr.
18738 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18739 (find_omp_clause): Declare.
18740 (insert_field_into_struct): Declare.
18741 (struct walk_stmt_info): Move from tree-nested.c
18742 (walk_stmts): Declare.
18743 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18745 * cgraphunit.c (cgraph_lower_function): Make static.
18746 (cgraph_finalize_pending_functions): New.
18747 (cgraph_finalize_function): Call it.
18748 (cgraph_finalize_compilation_unit): Likewise.
18749 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18750 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18751 (BT_FN_UINT_UINT): New.
18752 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18753 DEF_FUNCTION_TYPE_VAR_4): Document.
18754 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18755 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18756 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18757 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18758 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18759 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18760 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18761 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18762 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18763 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18764 into separate files.
18765 (DEF_GOMP_BUILTIN): New.
18766 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18767 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18768 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18769 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18770 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18771 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18772 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18773 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18774 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18775 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18776 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18777 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18778 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18779 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18780 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18781 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18782 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18783 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18784 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18785 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18786 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18787 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18788 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18789 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18790 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18791 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18792 * sync-builtins.def: New file, moved from builtins.def.
18793 * omp-builtins.def: New file, moved from builtins.def.
18794 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18795 * gimple-low.c (lower_function_body): Clear data.
18796 (lower_stmt): Do not handle COMPOUND_EXPR.
18797 Remove call to print_node_brief.
18798 * c-tree.h (c_finish_omp_clauses): New prototype.
18799 (C_DECL_THREADPRIVATE_P): Define.
18800 (lookup_name_no_remap, c_omp_remap_private): Remove
18801 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18802 (check_for_loop_decls): Update decl.
18803 (lookup_name_no_remap, c_omp_remap_private): Declare.
18804 (build_indirect_ref, build_modify_expr, pushdecl,
18805 pushdecl_top_level): Move to c-common.h.
18806 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18807 before the switch, but just in the 2 places that need it.
18808 * c-decl.c (diagnose_mismatched_decls): Do not check for
18809 mismatched thread-local attributes when OLDDECL is marked
18810 threadprivate and NEWDECL has no thread-local attributes.
18811 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18812 (c_gimple_diagnostics_recursively): Rename from
18813 c_warn_unused_result_recursively. Invoke
18814 diagnose_omp_structured_block_errors.
18815 (check_for_loop_decls): Return a singular decl found.
18816 * langhooks.c (lhd_omp_predetermined_sharing): Return
18817 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18818 (lhd_omp_firstprivatize_type_sizes): New.
18819 (lhd_omp_assignment): New.
18820 (lhd_omp_predetermined_sharing): New.
18821 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18822 (struct lang_hooks_for_types): Add
18823 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18824 omp_predetermined_sharing, omp_disregard_value_expr,
18825 omp_private_debug_clause, omp_clause_default_ctor,
18826 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18827 (c_finish_omp_clauses): New.
18828 (c_finish_bc_stmt): Diagnose break within omp for.
18829 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18830 (build_unary_op): Return error_mark after reporting
18832 (build_modify_expr): Likewise.
18833 * gimplify.c: Include optabs.h and pointer-set.h.
18834 (enum gimplify_omp_var_data): Declare.
18835 (struct gimplify_omp_ctx): Declare.
18836 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18838 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18839 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18840 (splay_tree_compare_decl_uid): New.
18841 (new_omp_context): New.
18842 (delete_omp_context): New.
18843 (gimple_add_tmp_var): Call omp_add_variable.
18844 (gimplify_bind_expr): Likewise.
18845 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18846 true, disregard DECL_VALUE_EXPR on the decl if any.
18847 (gimplify_expr_in_ctx): New.
18848 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18849 omp_add_variable, omp_notice_variable, omp_is_private
18850 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18851 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18852 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18853 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18854 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18855 gimplify_omp_atomic): New.
18856 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18857 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18858 OMP_CRITICAL and OMP_ATOMIC.
18859 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18860 * c-pragma.h (enum pragma_kind): Add
18861 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18862 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18863 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18864 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18865 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18866 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18867 PRAGMA_OMP_THREADPRIVATE.
18868 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18869 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18870 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18871 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18872 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18873 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18874 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18875 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18876 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18877 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18878 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18879 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18880 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18882 (struct nesting_info): Add field_map,
18883 suppress_expansion, debug_var_chain.
18884 (create_nesting_tree): Initialize them.
18885 (lookup_field_for_decl): Use field_map.
18886 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18887 (convert_local_omp_clauses): New.
18888 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18889 (walk_body): Split out of walk_function.
18890 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18891 (convert_nonlocal_reference): Handle omp statements.
18892 (convert_local_reference): Likewise.
18893 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18894 (unnest_nesting_tree): New.
18895 (lower_nested_functions): Call it.
18896 (insert_field_into_struct): Make extern.
18897 (struct walk_stmt_info): Move to tree-gimple.h.
18898 (walk_stmts): Make extern.
18899 * omp-builtins.def: New file.
18900 * tree-iterator.c (expr_only): Clarify comment.
18901 * c-common.h (pushdecl_top_level, pushdecl,
18902 build_modify_expr, build_indirect_ref,
18903 c_finish_omp_master, c_finish_omp_critical,
18904 c_finish_omp_ordered, c_finish_omp_barrier,
18905 c_finish_omp_atomic, c_finish_omp_flush,
18906 c_finish_omp_for, c_split_parallel_clauses,
18907 omp_clause_default_kind, c_omp_sharing_predetermined,
18908 c_omp_remap_decl): Declare.
18909 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18910 (OBJS-common): Add omp-low.o.
18911 (c-omp.o, omp-low.o): Add.
18912 (gimplify.o): Add dependency on $(OPTABS_H).
18913 (GTFILES): Add omp-low.c.
18914 (gt-stringpool.h): Add.
18915 * tree-cfg.c (set_bb_for_stmt): Do not update the
18916 block-to-labels map if we are currently expanding to RTL.
18917 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18919 Handle IDENTIFIER_NODE.
18920 (tree_verify_flow_info): Do not ICE when emitting error
18921 messages about invalid labels.
18922 (dump_function_to_file): Reset CFUN before emitting the body
18924 (debug_function): New.
18925 * passes.c (init_optimization_passes): Schedule
18927 * langhooks-def.h (lhd_omp_predetermined_sharing,
18928 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18930 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18931 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18932 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18933 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18934 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18935 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18936 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18937 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18938 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18939 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18940 (LANG_HOOK_DECLS): Use them.
18942 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18943 Richard Henderson <rth@redhat.com>
18944 Jakub Jelinek <jakub@redhat.com>
18945 Diego Novillo <dnovillo@redhat.com>
18947 * c-parser.c (pragma_omp_clause): Define.
18948 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18949 (c_parser_compound_statement): Likewise.
18950 (c_parser_statement): Likewise.
18951 (c_parser_pragma): Handle omp pragmas.
18952 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18953 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18954 (c_parser_omp_clause_name, check_no_duplicate_clause,
18955 c_parser_omp_variable_list,
18956 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18957 c_parser_omp_clause_copyprivate,
18958 c_parser_omp_clause_default,
18959 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18960 c_parser_omp_clause_lastprivate,
18961 c_parser_omp_clause_nowait,
18962 c_parser_omp_clause_num_threads,
18963 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18964 c_parser_omp_clause_reduction,
18965 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18966 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18967 c_parser_omp_atomic, c_parser_omp_barrier,
18968 c_parser_omp_critical, c_parser_omp_flush,
18969 c_parser_omp_for_loop, c_parser_omp_for,
18970 c_parser_omp_master, c_parser_omp_ordered,
18971 c_parser_omp_sections_scope, c_parser_omp_sections,
18972 c_parser_omp_parallel, c_parser_omp_single,
18973 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18974 * c-pragma.c (init_pragma): Do omp pragma registration here.
18975 * c.opt (fopenmp): New flag.
18977 2006-01-18 Eric Christopher <echristo@apple.com>
18979 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18980 * config/darwin.h (GOMP_SELF_SPECS): Define.
18982 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18984 * rtl.h: Remove the prototype for reg_alloc.
18986 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18989 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18990 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18991 sjlj and dwarf2 exception handling.
18992 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18993 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18994 * pa/pa.c (function_value): Treat complex and vector types as
18996 (function_arg): Likewise. Only pass scalar floats in the floating
18997 point argument registers.
18998 * pa/t-slibgcc-dwarf-ver: New file.
18999 * pa/t-slibgcc-sjlj-ver: New file.
19000 * pa/t-slibgcc-elf-ver: Delete file.
19002 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19004 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19005 unlikely_test_section_p test.
19007 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19009 * mode-switching.c (optimize_mode_switching): Make it static.
19010 * basic-block.h: Remove the prototype for
19011 optimize_mode_switching.
19013 * modulo-sched.c (sms_schedule): Make it static.
19014 * rtl.h: Remove the prototype for sms_schedule.
19016 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19017 * rtl.h: Remove the prototype for gcse_after_reload_main.
19019 * reg-stack.c (reg_to_stack): Make it static.
19020 * rtl.h: Remove the prototype for reg_to_stack.
19022 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19024 * rtl.h: Remove the prototypes for regrename_optimize and
19025 copyprop_hardreg_forward.
19027 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19029 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19030 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19031 Test against the appropriate null constant for the mode.
19032 If 'fixup_overlap' is true, swap the operands if they overlap.
19033 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19034 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19035 alpha_split_tmode_pair and adjust for above change.
19036 * config/alpha/alpha.md (movtf_internal): Adjust call to
19037 alpha_split_tfmode_pair and rely on it to swap the operands.
19038 (movti_internal): New insn and post-reload splitter.
19039 (movti): New expander.
19041 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19043 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19046 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19048 * rtlanal.c (global_reg_mentioned_p_1,
19049 global_reg_mentioned_p): Remove.
19050 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19052 * flow.c (initialize_uninitialized_subregs): Make it static.
19053 * rtl.h: Remove the prototype for
19054 initialize_uninitialized_subregs.
19056 * function.c (instantiate_virtual_regs): Make it static.
19057 * function.h: Remove the prototype for
19058 instantiate_virtual_regs.
19060 * regmove.c (regmove_optimize, combine_stack_adjustments):
19062 * rtl.h: Remove the prototypes for regmove_optimize and
19063 combine_stack_adjustments.
19065 2006-01-17 Roger Sayle <roger@eyesopen.com>
19067 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19068 (size_cost): Encode costs in bytes so that a reg-reg addition is
19069 equivalent to COSTS_N_INSNS(1).
19070 (override_options): Use the size_cost.branch_cost as the default
19071 ix86_branch_cost when optimizing for size.
19073 2006-01-18 Ben Elliston <bje@au.ibm.com>
19075 * Makefile.in (D32PBIT_FUNCS): New.
19076 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19077 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19078 D64PBIT_FUNCS and D128PBIT_FUNCS.
19079 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19080 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19082 (decnumber_dep): Define.
19083 * doc/libgcc.texi (Decimal float library routines): New node.
19084 * config/dfp-bit.h, config/dfp-bit.c: New files.
19086 2006-01-18 Ben Elliston <bje@au.ibm.com>
19088 * expr.c (emit_move_change_mode): Always adjust addresses, not
19089 just during reload. Copy replacements only during reload.
19090 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19091 emit_move_via_integer.
19093 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19095 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19096 instead of $(srcdir) and ${srcdir}.
19098 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19101 PR middle-end/11135
19102 * arm.h (struct machine_function): Add pic_reg.
19103 * arm.c (arm_pic_register): Make unsigned.
19104 (arm_override_options): Only set arm_pic_register if
19105 TARGET_SINGLE_PIC_BASE.
19106 (use_return_insn): Only test for a pic register if it is fixed.
19107 (arm_compute_save_reg0_reg12_mask): Likewise.
19108 (thumb_compute_save_reg_mask): Likewise.
19109 (legitimate_pic_operand): Factor out some known invariants.
19110 (legitimize_pic_address): If we don't have a fixed pic register,
19111 then set up a pseudo in the function entry sequence. Handle the
19112 pic base being in a pseudo.
19113 (arm_load_pic_register): Handle the pic register being in a pseudo.
19114 (arm_expand_prologue): Only set up the pic register if it is fixed.
19115 (thumb_expand_prologue): Likewise.
19116 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19117 (pic_load_addr_based_insn): Likewise.
19118 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19121 2006-01-18 Ben Elliston <bje@au.ibm.com>
19123 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19124 decimal float modes for all floating point registers.
19126 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19127 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19129 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19132 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19133 even when the pointer is not NULL.
19135 2006-01-16 Ian Lance Taylor <ian@airs.com>
19137 * common.opt (ftoplevel-reorder): New option.
19138 * cgraph.c (cgraph_asm_nodes): New global variable.
19139 (cgraph_asm_last_node): New static variable.
19140 (cgraph_order): New global variable.
19141 (cgraph_create_node): Set new order field.
19142 (cgraph_varpool_node): Likewise.
19143 (decide_is_variable_needed): Return true if not
19144 flag_toplevel_reorder.
19145 (cgraph_add_asm_node): New function.
19146 * cgraph.h (struct cgraph_node): Add order field.
19147 (struct cgraph_varpool_node): Add order field.
19148 (struct cgraph_asm_node): Define.
19149 (cgraph_asm_nodes, cgraph_order): Declare.
19150 (cgraph_add_asm_node): Declare.
19151 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19153 (cgraph_varpool_assemble_pending_decls): Call it.
19154 (cgraph_output_pending_asms): New static function.
19155 (cgraph_finalize_compilation_unit): Call it.
19156 (struct cgraph_order_sort): Define.
19157 (cgraph_output_in_order): New static function.
19158 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19159 !flag_toplevel_reorder case.
19160 * c-parser.c: Include "cgraph.h".
19161 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19163 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19164 than -fno-unit-at-a-time.
19165 * doc/invoke.texi (Option Summary): Mention
19166 -fno-toplevel-reorder.
19167 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19168 -funit-at-a-time documentation.
19170 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19171 Kazu Hirata <kazu@codesourcery.com>
19173 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19175 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19177 * Makefile.in (FUNCTION_H): New. Use it instead of
19178 function.h throughout the file.
19179 * function.h: Include tree.h.
19181 2006-01-17 Ben Elliston <bje@au.ibm.com>
19183 * recog.c: Separate some functions with whitespace.
19185 2006-01-16 Richard Henderson <rth@redhat.com>
19187 Merge from gomp branch:
19188 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19189 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19190 and rename from struct inline_data. Rename callee* to dst*;
19191 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19192 transform_new_cfg, transform_return_to_modify, and
19193 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19195 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19196 (copy_decl_for_dup): Remove.
19197 * tree-inline.c (struct inline_data): Move to header.
19198 (insert_decl_map): Export.
19199 (remap_decl): Update for member name changes. Use copy_decl hook.
19200 Allow for replacement to be a non-decl. Remove dead code.
19201 (remap_type_1): Check for existing mapping.
19202 (remap_type): Export.
19203 (remap_decls): Update for member name changes.
19204 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19205 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19206 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19207 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19208 (tree_function_versioning, build_duplicate_type): Likewise.
19209 (copy_body_r): Likewise. Export.
19210 (copy_decl_for_dup): Split into ...
19211 (copy_decl_for_dup_finish, copy_decl_to_var,
19212 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19213 (replace_ref_tree, inlining_p): Remove.
19215 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19217 * ifcvt.c (if_convert): Make it static.
19218 * rtl.h: Remove the prototype for if_convert.
19220 * local-alloc.c (local_alloc): Make it static.
19221 * rtl.h: Remove the prototype for local_alloc.
19223 * loop.c (loop_optimize): Make it static.
19224 * cfgloop.h: Remove the prototype for loop_optimize.
19227 2006-01-16 DJ Delorie <dj@redhat.com>
19229 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19232 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19234 * pa.md: Disparage copies between general and floating-point registers
19235 in 32-bit move patterns.
19237 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19240 * Makefile.in (check-%): Depend on site.exp instead of
19241 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19244 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19246 * global.c (global_alloc): Make it static.
19247 * rtl.h: Remove the prototype for global_alloc.
19249 2006-01-16 Richard Guenther <rguenther@suse.de>
19251 * tree-ssa-alias.c (struct used_part): Add write_only field.
19252 (get_or_create_used_part_for): Initialize it to true.
19253 (create_overlap_variables_for): Don't create structure variables
19254 for structures that only are written to.
19255 (find_used_portions): Handle MODIFY_EXPR to track whether a
19256 structure is only written to.
19258 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19260 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19262 * basic-block.h: Remove the prototype for
19263 partition_hot_cold_basic_blocks.
19265 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19267 * cppspec.c (lang_specific_spec_functions): Remove.
19268 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19269 * gcc.h (lang_specific_spec_functions): Remove.
19270 * gccspec.c (lang_specific_spec_functions): Remove.
19272 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19274 * combine.c (record_value_for_reg): Invalidate registers
19276 (record_dead_and_set_regs_1): Likewise, by passing them to
19277 record_value_for_reg.
19278 (record_dead_and_set_regs): Invalidate stores made by a
19279 call. We do not combine across a call, but we still
19280 relied on equivalences.
19282 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19284 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19285 vrp_int_const_binop returning non-constant nodes.
19287 2006-01-16 Paul Brook <paul@codesourcery.com>
19289 * config/m68k/m68k.c (output_move_const_into_data_reg):
19290 Output correct mnemonic for mvz and mvs.
19292 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19294 * rtl-factoring.c: Add sequence abstraction algorithm.
19295 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19296 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19298 (block_has_preserve_label): New function.
19299 * common.opt: Register new pass.
19300 * Makefile.in: Ditto.
19302 * timevar.def: Ditto.
19303 * tree-pass.h: Ditto.
19304 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19305 * rtl.h (make_jump_insn_raw): Add forward decl.
19306 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19308 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19309 Roger Sayle <roger@eyesopen.com>
19311 * fold-const.c (fold_minmax): New static function.
19312 (fold_binary) <MIN_EXPR>: Call it.
19313 <MAX_EXPR>: Likewise.
19314 * stor-layout.c (place_field): Use DECL_SIZE consistently
19315 in the computation of the new record size.
19317 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19319 * cse.c (cse_condition_code_reg): Make it static.
19320 * rtl.h: Remove the prototype for cse_condition_code_reg.
19322 * combine.c (combine_instructions): Make it static.
19323 * rtl.h: Remove the prototype for combine_instructions.
19325 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19328 * tree.c (get_file_function_name_long): Concatenate the first global
19329 object name with a string derived from the input filename of the object
19332 2006-01-16 Ben Elliston <bje@au.ibm.com>
19334 * config/i386/winnt-stubs.c: Update FSF address.
19335 * config/xtensa/ieee754-df.S: Ditto.
19336 * config/xtensa/ieee754-sf.S: Ditto.
19338 2006-01-14 Ian Lance Taylor <ian@airs.com>
19340 * ifcvt.c (noce_init_if_info): New static function, broken out of
19341 noce_process_if_block.
19342 (noce_process_if_block): Call noce_init_if_info.
19343 (check_cond_move_block): New static function.
19344 (cond_move_process_if_block): New static function.
19345 (process_if_block): Call cond_move_process_if_block.
19347 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19349 * cselib.c (hash_table): Rename to cselib_hash_table.
19350 (cselib_clear_table, discard_useless_values,
19351 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19352 cselib_init, cselib_finish): Adjust uses of hash_table.
19354 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19356 PR tree-optimization/25485
19357 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19358 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19359 is known to be false and true, respectively.
19361 2006-01-14 Richard Guenther <rguenther@suse.de>
19363 PR tree-optimization/22548
19364 PR tree-optimization/22555
19365 PR tree-optimization/22501
19366 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19367 * params.def (salias-max-array-elements): New parameter.
19368 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19369 * doc/invoke.texi (salias-max-array-elements): Document.
19370 * tree-flow-inline.h (var_can_have_subvars): We also handle
19372 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19374 * tree-ssa-structalias.c (params.h): Include.
19375 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19376 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19377 (get_constraint_for): For ADDR_EXPR operating on something
19378 containing an ARRAY_REF, add all subvars to the solution.
19379 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19380 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19381 for creating MUST_DEFs.
19382 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19384 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19386 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19388 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19389 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19390 number_of_iterations_le): New functions.
19391 (number_of_iterations_special): Removed.
19392 (number_of_iterations_exit): Do not use number_of_iterations_special.
19393 * tree.c (unsigned_type_for): Always return integer type.
19395 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19396 Richard Guenther <rguenther@suse.de>
19398 PR rtl-optimization/24257
19399 * gcse.c (find_moveable_store): Only consider a store movable
19400 when the SET_SRC of the insn can be assigned to a register.
19402 2006-01-14 Ian Lance Taylor <ian@airs.com>
19404 * tree.c (tree_not_class_check_failed): New function.
19405 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19406 (tree_not_class_check_failed): Declare.
19408 2006-01-13 Ian Lance Taylor <ian@airs.com>
19410 * reload1.c (do_output_reload): Add assertion rejecting a
19413 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19415 * combine.c (struct reg_stat): Add new fields truncation_label and
19417 (record_value_for_reg): Reset truncated_to_mode.
19418 (record_truncated_value): New function.
19419 (check_promoted_subreg): Call it. Rename to check_conversions.
19420 (combine_instructions): Rename check_promoted_subreg to
19422 (reg_truncated_to_mode): New function.
19423 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19424 (gen_lowpart_or_truncate): New function.
19425 (force_to_mode): Use it instead of gen_lowpart.
19427 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19429 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19430 VAR is a tag, not its type tag.
19432 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19434 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19435 alternatives to match style of other entries.
19436 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19438 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19440 PR tree-optimization/25771
19441 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19444 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19447 * tree-inline.c (declare_return_variable): If the return variable
19448 was marked as a non gimple complex, set the return slot variable
19449 to be a non gimple comple variable.
19451 2006-01-13 Richard Guenther <rguenther@suse.de>
19453 * builtins.c (expand_builtin_sincos): New function.
19454 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19456 (expand_builtin): Expand sincos using expand_builtin_sincos.
19458 2006-01-12 DJ Delorie <dj@redhat.com>
19460 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19461 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19462 so that constant shifts can be split.
19463 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19464 (m32c_valid_pointer_mode): Make static.
19465 (shift_gen_func_for): New.
19466 (m32c_prepare_shift): Use it. Split large const shifts into
19468 * config/m32c/predicates.md (shiftcount_operand): Allow more
19470 (longshiftcount_operand): New.
19471 * doc/md.texi (Machine Constraints): Document In6.
19473 2006-01-13 Ben Elliston <bje@au.ibm.com>
19475 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19476 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19479 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19481 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19482 to try to avoid clobbering pieces of structures when we know
19483 something about the whole structure.
19484 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19486 2006-01-13 Ben Elliston <bje@au.ibm.com>
19488 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19489 return in memory, as this is no limitation is no longer present.
19491 2006-01-12 DJ Delorie <dj@redhat.com>
19493 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19494 mova with fb, and for fb+0 -> An.
19496 * config/m32c/mov.md (peephole2): Fix enabling logic.
19498 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19499 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19500 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19501 FINI_ARRAY_SECTION_ASM_OP): Define.
19503 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19505 (m32c_legitimize_reload_address): New logic to reload FB to An.
19506 (m32c_output_reg_push): Add newline.
19507 (m32c_output_reg_pop): Likewise.
19509 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19511 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19513 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19515 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19517 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19519 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19522 2006-01-11 Ben Elliston <bje@au.ibm.com>
19524 * rtlanal.c (find_reg_note): Assert insn is not null.
19526 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19528 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19531 2006-01-11 Jeff Law <law@redhat.com>
19533 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19535 (mark_threaded_blocks, register_jump_thread): New functions.
19536 (thread_through_all_blocks): Remove unwanted argument. No
19537 longer rely on e->aux to communicate thread target info.
19538 Call mark_threaded_blocks. Release the threaded_blocks
19539 bitmap and threaded_edges vector when complete.
19540 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19541 (threaded_blocks): Remove.
19542 (tree_ssa_dominator_optimize): Remove initialization and
19543 finalization of threaded_blocks. Simplify call to
19544 thread_through_all_blocks.
19545 (thread_across_edge): Call register_jump_thread rather than
19546 storing thread information into e->aux.
19547 (free_all_edge_infos): Simplify now that e->aux is no longer
19548 used to communicate with thread_through_all_blocks.
19549 * tree-flow.h (thread_through_all_blocks): Update prototype.
19550 (register_jump_thread): Prototype.
19552 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19554 * df-core.c (df_compact_blocks, df_bb_replace): Use
19555 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19557 2006-01-11 Richard Guenther <rguenther@suse.de>
19559 PR tree-optimization/25734
19560 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19561 stop propagation after successful propagation to the LHS.
19563 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19565 * basic-block.h (control_flow_graph): Change the type of
19566 x_basic_block_info to VEC(basic_block,gc) *.
19567 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19569 (SET_BASIC_BLOCK): New.
19570 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19571 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19572 * cfgbuild.c (find_basic_blocks): Likewise.
19573 * cfglayout.c (fixup_reorder_chain): Likewise.
19574 * cfgrtl.c (create_basic_block_structure,
19575 rtl_create_basic_block): Likewise.
19576 * ifcvt.c (find_if_case_1): Likewise.
19577 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19580 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19582 * Makefile.in: Removed rotted odf.c entry.
19584 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19587 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19588 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19589 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19590 output pattern modifier, not %e.
19591 * config/cris/cris.c (cris_op_str): Update comment about pattern
19593 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19594 before falling through into...
19595 <case 'E'>: Redefined from old 'e' case.
19597 2006-01-11 Jan Hubicka <jh@suse.cz>
19600 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19602 2006-01-11 Jan Hubicka <jh@suse.cz>
19604 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19605 * i386.c (x86_decompose_lea): Kill.
19606 (ix86_rtx_costs): Kill.
19608 2006-01-11 Jan Hubicka <jh@suse.cz>
19610 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19611 * cgraph.h (cgraph_node): Add inline_decl.
19612 (cgraph_insert_node_to_hashtable): Declare.
19613 (save_inline_function_body): Declare.
19614 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19616 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19617 (cgraph_function_versioning): Update call of tree_function_versioning.
19618 (save_inline_function_body): New function.
19619 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19620 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19621 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19622 (cgraph_default_inline_p): Likewise.
19623 (cgraph_decide_inlining_incrementally): Likewise.
19624 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19625 (copy_bb): Kill saving; do updating of clones.
19626 (copy_cfg_body): Kill saving.
19627 (initialize_inlined-parameters): Likewise.
19628 (expand_call_inline): Likewise.
19630 (tree_function_versioning): New parameter "update_clones".
19631 (inlining_p): Kill saving.
19632 * tree-inline.h (tree_function_versioning): Update prototype.
19633 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19636 2006-01-11 Ian Lance Taylor <ian@airs.com>
19638 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19639 Allow undoing set of machine mode.
19640 (do_SUBST): Use enums instead of is_int.
19641 (do_SUBST_MODE): New function.
19642 (SUBST_MODE): New macro.
19643 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19644 reg and trying to replace reg_regno_rtx with a new register.
19645 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19646 (simplify_set): Use SUBST_MODE.
19647 (distribute_notes): Remove code that tried to update reg notes
19648 for regno_reg_rtx changes.
19650 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19652 PR tree-optimization/23109
19653 PR tree-optimization/23948
19654 PR tree-optimization/24123
19656 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19657 * tree-cfg.c (single_noncomplex_succ): New.
19658 * tree-flow.h (single_noncomplex_succ): Declare it.
19659 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19660 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19661 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19662 insert_bb, register_division_in, insert_reciprocals,
19663 replace_reciprocal, free_bb): New.
19664 (execute_cse_reciprocals_1): Rewritten.
19665 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19666 Do not commit any edge insertion. Always compute dominators and
19667 create the allocation pool.
19668 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19669 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19670 * targhooks.c (default_min_divistions_for_recip_mul): New.
19671 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19672 * passes.c (init_optimization_passes): Run recip after tree loop
19674 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19676 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19677 Kenneth Zadeck <zadeck@naturalbridge.com>
19679 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19680 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19681 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19682 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19683 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19684 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19685 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19686 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19687 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19688 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19689 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19690 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19691 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19692 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19693 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19694 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19695 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19696 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19697 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19698 DF_SCAN_POST_ALLOC): New macros.
19699 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19700 df_free_bb_function, df_local_compute_function, df_init_function,
19701 df_dataflow_function, df_confluence_function_0,
19702 df_confluence_function_n, df_transfer_function,
19703 df_finalizer_function, df_free_function, df_dump_problem_function,
19704 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19705 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19706 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19707 df_urec_bb_info, ) New types.
19708 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19710 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19711 df_analyze_simple_change_some_blocks,
19712 df_analyze_simple_change_one_block, df_compact_blocks,
19713 df_bb_replace, df_bb_regno_last_use_find,
19714 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19715 df_insn_regno_def_p, df_find_def, df_find_use,
19716 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19717 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19718 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19719 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19720 debug_df_chain, df_get_dependent_problem, df_chain_create,
19721 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19722 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19723 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19724 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19725 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19726 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19727 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19728 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19729 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19730 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19731 df_reorganize_refs, df_set_state, df_hard_reg_init,
19732 df_read_modify_subreg_p) New public functions.
19733 * df-core.c: The core dataflow solver and glue routines for rtl
19735 (df_init, df_add_problem, df_set_blocks, df_finish,
19736 df_hybrid_search_forward, df_hybrid_search_backward,
19737 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19738 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19739 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19740 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19741 df_reg_defined, df_find_use, df_reg_used, df_dump,
19742 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19743 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19744 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19745 debug_df_useno, reset_df_after_reload): New functions.
19746 * df-scan.c: The scanning fuctions, once in df.c, completely
19747 rewritten so that they now fully model the functionality of
19748 register usage at the backend.
19749 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19750 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19751 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19752 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19753 df_get_artificial_defs, df_get_artificial_uses,
19754 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19755 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19756 df_refs_delete, df_reorganize_refs, df_set_state,
19757 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19758 df_def_record_1, df_defs_record, df_uses_record,
19759 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19760 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19761 df_record_exit_block_uses, df_hard_reg_init): New functions.
19763 * df-problems.c: Seven concrete dataflow problems that use the
19764 scanning in df-scan.c and are solved by the engine in df-core.c.
19765 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19766 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19767 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19768 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19769 df_ru_free_bb_info, df_ru_alloc,
19770 df_ru_bb_local_compute_process_def,
19771 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19772 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19773 df_ru_transfer_function, df_ru_free, df_ru_dump,
19774 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19775 df_rd_free_bb_info, df_rd_alloc,
19776 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19777 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19778 df_rd_transfer_function, df_rd_free, df_rd_dump,
19779 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19780 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19781 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19782 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19783 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19784 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19785 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19786 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19787 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19788 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19789 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19790 df_urec_mark_reg_use_for_earlyclobber,
19791 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19792 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19793 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19794 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19795 df_chain_create_bb_process_use, df_chain_create_bb,
19796 df_chain_finalize, df_chain_free, df_chains_dump,
19797 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19798 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19799 df_reg_lifetime): New functions.
19800 * df.c: Deleted file.
19801 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19802 consistent with new df api.
19803 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19804 rest_of_handle_sms): Ditto.
19805 * web.c (unionfind_union, union_defs, entry_register, web_main):
19807 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19808 invariant_expr_equal_p, find_defs, check_dependencies,
19809 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19810 free_inv_motion_data, move_loop_invariants): Ditto.
19811 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19812 Update dependencies.
19813 (odf.c): Added defective entry that was deleted later in day.
19814 * sched-deps.c (sched_analyze_1): Ditto.
19816 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19818 * tree-ssa-operands.c (get_expr_operands): Record addressable
19819 variables directly. Do not call add_stmt_operands for CONST_DECLs
19821 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19822 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19824 2006-01-11 Ben Elliston <bje@au.ibm.com>
19826 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19827 function returns true in the positive case.
19829 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19832 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19833 for SI, DI, SF and DF modes. Add alternatives to copy between
19834 general and floating point registers to the 32-bit patterns.
19835 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19836 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19837 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19838 generating 64-bit code.
19839 * config/pa/pa.c (output_move_double): Handle copies between general
19840 and floating registers.
19842 2006-01-10 Stuart Hastings <stuart@apple.com>
19844 * config/i386/i386.md (set_got): Update.
19845 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19846 (builtin_setjmp_receiver): Mach-O support.
19847 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19848 (GOT_SYMBOL_NAME): Define.
19849 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19850 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19851 * config/i386/i386.c (override_options): Revise for Darwin.
19852 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19853 support. (darwin_x86_file_end): New. (output_set_got): Add label
19854 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19855 * config/i386/i386-protos.h (output_set_got): Likewise.
19856 * config/darwin.c (machopic_legitimize_pic_address): Update
19859 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19861 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19862 when MODE isn't BLKmode.
19864 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19866 PR rtl-optimization/25367
19867 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19869 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19872 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19873 for a negative bound.
19875 2006-01-10 Richard Guenther <rguenther@suse.de>
19877 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19878 Never override with anything constraint.
19880 2006-01-10 Jan Beulich <jbeulich@novell.com>
19882 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19883 256 bits when optimize_size.
19885 2006-01-10 Jan Beulich <jbeulich@novell.com>
19887 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19889 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19890 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19893 2006-01-10 Ben Elliston <bje@au.ibm.com>
19895 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19897 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19898 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19899 (USE_FP_FOR_ARG): Reject decimal float modes.
19900 (function_arg_advance): Likewise.
19901 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19902 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19903 point types in AltiVec vectors.
19904 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19905 (rs6000_libcall_value): Likewise.
19907 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19909 * config/xtensa/ieee754-df.S: New file.
19910 * config/xtensa/ieee754-sf.S: New file.
19911 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19912 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19913 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19915 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19917 * config/sh/predicates.md (binary_float_operator,
19918 binary_logical_operator, commutative_float_operator,
19919 equality_comparison_operator, greater_comparison_operator,
19920 less_comparison_operator, logical_operator,
19921 noncommutative_float_operator, shift_operator,
19922 symbol_ref_operand, unary_float_operator): Remove redundant
19925 2006-01-09 Jeff Law <law@redhat.com>
19927 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19928 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19929 now unused arguments. Callers updated.
19930 (eliminate_redundant_computations): Remove now unused arguments,
19932 (local_fold): Remove, no longer used.
19933 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19935 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19936 (simplify_cond): New function.
19937 (forward_propagate_into_cond): Call simplify_cond.
19939 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19941 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19942 (*vec_extractv2di_1_sse): New.
19944 2006-01-09 Ben Elliston <bje@au.ibm.com>
19946 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19948 2006-01-08 Richard Guenther <rguenther@suse.de>
19950 * tree-ssa-structalias.c (get_constraint_for): Remove
19951 anyoffset argument.
19952 (get_constraint_for_component_ref): Likewise.
19953 (do_deref): Likewise.
19954 (get_constraint_for): Likewise.
19955 (do_structure_copy): Likewise.
19956 (handle_ptr_arith): Likewise.
19957 (find_func_aliases): Likewise. Remove unused need_anyoffset
19960 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19961 Kaz Kojima <kkojima@gcc.gnu.org>
19963 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19964 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19965 (EXTRA_CONSTRAINT_C16): Remove.
19966 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19967 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19968 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19969 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19970 constants of SHmedia. Handle nested constant expressions of
19972 (andcosts): Fix the costs for SHmedia constants.
19973 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19974 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19975 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19976 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19977 (movv4hi_i, movv2si_i): Likewise.
19978 (movsi_const): Adjust the second operand of ior so to match with
19979 the Csu constraint.
19980 (movdi_const, movdi_const_32bit): Likewise.
19981 (movdi_const_16bit+1): Don't sign-extend LOW.
19982 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19984 (*double_shori): Fix the split condition. Use GEN_INT instead
19985 of get_int_mode calls. Mask lower 16-bit of the argument of
19987 (sym2GOTPLT): Remove.
19988 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19990 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19991 instead of EXTRA_CONSTRAINT_C16.
19993 2006-01-07 Ian Lance Taylor <ian@airs.com>
19994 David Edelsohn <edelsohn@gnu.org>
19996 PR rtl-optimization/25662
19997 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19998 for constant operands instead of simplify_gen_binary.
19999 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20000 after trying simplify_binary_operation
20002 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20004 * tree.c (iterative_hash_expr): Hash decls based on UID.
20006 2006-01-06 Eric Christopher <echristo@apple.com>
20008 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20009 (TARGET_UNWIND_EMIT): Fix spelling.
20010 * target.h (gcc_target): Add except_table_label.
20011 * except.c (output_function_exception_table): Use.
20012 * varasm.c (default_emit_except_table_label): New.
20013 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20015 (asm_out): Add here.
20016 * output.h (default_emit_except_table_label): Prototype.
20017 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20018 * config/darwin.c (darwin_emit_except_table_label): Define.
20019 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20021 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20023 PR tree-optimization/18527
20024 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20025 number_of_iterations_special, number_of_iterations_exit):
20026 Move base and step of an iv to a single structure. Add
20027 no_overflow flag, and use it in # of iterations analysis.
20028 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20029 folded_casts argument.
20030 (simple_iv): Pass base and step in a structure. Set no_overflow
20032 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20033 Evaluate expensiveness of computing # of iterations instead of
20034 the final expression.
20035 * tree-scalar-evolution.h (affine_iv): New structure.
20036 (simple_iv): Declaration changed.
20037 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20038 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20039 find_givs_in_stmt): Changed due to simple_iv change.
20041 2006-01-06 Jeff Law <law@redhat.com>
20044 * tree-cfg.c (bsi_replace): Rename final argument from
20045 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20046 change (stmt -> orig_stmt).
20047 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20048 (bsi_remove): Add new argument. Remove EH information
20050 (verify_eh_throw_table_statements): New function.
20051 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20053 * tree-optimize.c (execute_free_cfg_annotations): Verify
20054 the EH throw statement table after removing annotations.
20055 * except.h (verify_eh_throw_table_statements): Prototype.
20056 * tree-flow.h (bsi_remove): Update prototype.
20057 * tree-vrp.c (remove_range_assertions): Add new argument to
20059 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20060 * tree-complex.c (expand_complex_div_wide): Likewise.
20061 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20062 * tree-tailcall.c (eliminate_tailcall): Likewise.
20063 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20064 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20065 * tree-nrv.c (tree_nrv): Likewise.
20066 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20067 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20068 (combine_blocks): Likewise.
20069 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20070 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20071 (cleanup_control_flow): Likewise.
20072 (remove_forwarder_block): Likewise.
20073 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20074 * tree-sra.c (sra_replace): Likewise.
20075 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20076 (forward_propagate_single_use_vars): Likewise.
20077 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20078 * tree-inline.c (expand_call_inline): Likewise.
20079 * tree-vect-transform.c (vect_transform_loop): Likewise.
20080 * tree-outof-ssa.c (rewrite_trees): Likewise.
20081 * tree-cfg.c (make_goto_expr_edges): Likewise.
20082 (cleanup_dead_labels): Likewise.
20083 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20084 (bsi_move_before, bsi_move_after): Likewise.
20085 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20086 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20088 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20091 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20093 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20094 on non gimple variables. Also add checks at the top for decls and
20096 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20098 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20099 and IMAGPART_EXPR for creating MUST_DEFs.
20100 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20101 and NAME_MEMORY_TAG separately from the DECLs.
20103 2006-01-06 Richard Guenther <rguenther@suse.de>
20105 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20106 annotation, if necessary.
20107 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20108 redundant calls to update_stmt.
20109 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20112 2006-01-05 Richard Henderson <rth@redhat.com>
20114 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20116 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20118 * c-typeck.c: Update copyright date.
20120 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20122 * c-typeck.c (build_c_cast): Always warn when casting
20123 from a pointer to an integer of different size, even if
20124 the node was constant.
20126 2006-01-05 Richard Guenther <rguenther@suse.de>
20128 PR tree-optimization/22555
20129 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20130 if one structure field is an array.
20131 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20132 operands even if we found a subvar, but ignore VOPs in this
20134 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20136 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20138 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20140 PR middle-end/24998
20141 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20143 2006-01-05 Richard Guenther <rguenther@suse.de>
20144 Diego Novillo <dnovillo@redhat.com>
20146 * tree-pass.h (TODO_remove_unused_locals): Define.
20147 * gimple-low.c (expand_var_p, remove_useless_vars,
20148 pass_remove_useless_vars): Remove. Update all users.
20149 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20150 (remove_unused_locals): New function.
20151 * tree-flow.h (remove_unused_locals): Declare.
20152 * passes.c (execute_todo): Call remove_unused_locals if
20153 TODO_remove_unused_locals is set.
20154 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20155 * tree-ssa-dce.c (pass_dce): Likewise.
20156 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20158 2006-01-05 Richard Guenther <rguenther@suse.de>
20160 * tree-flow.h (struct fieldoff): Decompose field to
20161 type, size and decl.
20162 * tree-ssa-alias.c (create_sft): Take type as parameter.
20163 (create_overlap_variables_for): Store type, size and decl
20164 in the fieldoff structure.
20165 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20166 of struct fieldoff.
20167 (push_fields_onto_fieldstack): Likewise.
20168 (create_variable_info_for): Likewise. Use offset for the
20169 SFT name if the decl is not available.
20171 2006-01-04 Paul Brook <paul@codesourcery.com>
20173 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20175 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20177 * lambda-code.c (can_put_in_inner_loop): Relax
20179 (can_put_after_inner_loop): New function.
20180 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20181 (perfect_nestify): Change to make copies and modify uses.
20183 2006-01-04 Richard Henderson <rth@redhat.com>
20185 Merge from gomp branch:
20186 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20187 via integer constant.
20188 (pragma_lex): Remove.
20189 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20190 rather than parsing it.
20191 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20192 handle_pragma_extern_prefix): Add %< %> quotes.
20193 (registered_pragmas): New.
20194 (c_register_pragma_1): New.
20195 (c_register_pragma): Use it.
20196 (c_register_pragma_with_expansion): Likewise.
20197 (c_invoke_pragma_handler): New.
20198 (init_pragma): Use cpp_register_deferred_pragma directly for
20200 * c-pragma.h (enum pragma_kind): New.
20201 (pragma_handler): New.
20202 (c_invoke_pragma_handler): Declare.
20203 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20205 * c-common.h (c_common_pch_pragma): Update decl.
20206 * Makefile.in (c-parser.o): Update dependencies.
20207 (GTFILES): Add c-pragma.h.
20208 * c-parser.c (struct c_token): Add pragma_kind.
20209 (struct c_parser): Add in_pragma.
20210 (c_lex_one_token): Always initialize keyword and pragma_kind.
20211 Extract data for CPP_PRAGMA.
20212 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20213 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20214 Don't allow CPP_PRAGMA_EOL if in_pragma.
20215 (c_parser_consume_pragma): New.
20216 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20217 (c_parser_skip_to_end_of_parameter): Likewise.
20218 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20219 (c_parser_skip_to_pragma_eol): New.
20220 (c_parser_external_declaration): Handle CPP_PRAGMA.
20221 (c_parser_compound_statement_nostart): Likewise.
20222 (c_parser_statement_after_labels): Likewise.
20223 (c_parser_pragma): New.
20224 (pragma_lex): Likewise.
20225 (c_parser_pragma_pch_preprocess): New.
20226 (c_parser_new): Merge into ...
20227 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20229 2006-01-04 Jeff Law <law@redhat.com>
20232 * tree-cfg.c (bsi_replace): Remove the original statement
20233 from the EH throw statement table.
20235 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20237 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20238 make the prototype extern "C" and add throw ().
20241 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20242 and pos non-negative and pos + len <= 32.
20243 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20244 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20245 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20248 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20249 as well as sizes not multiple of component size.
20252 * function.c (instantiate_expr): New function.
20253 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20254 walk its DECL_VALUE_EXPR with instantiate_expr.
20256 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20257 DW_OP_deref{,_size} if address isn't going to be added.
20259 2006-01-04 Ben Elliston <bje@au.ibm.com>
20261 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20262 * config/fp-bit.c: Likewise.
20264 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20266 * dominance.c: Add comment about why we use DFS numbering
20269 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20270 Richard Henderson <rth@redhat.com>
20272 Merge from gomp-branch:
20273 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20274 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20276 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20278 PR rtl-optimization/25578
20279 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20280 pass a parameter to simplify_shift_const if changing ASHIFTRT
20283 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20285 * builtins.c (get_builtin_sync_mem): New function.
20286 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20287 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20288 Call get_builtin_sync_mem to generate mem rtx.
20290 2006-01-03 Richard Guenther <rguenther@suse.de>
20293 * stmt.c (add_case_node): Make sure to clear overflow flags
20296 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20298 Merge from gomp-branch.
20299 * config/sparc/sync.md: New file.
20300 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20301 UNSPECV_LDSTUB): New constants.
20302 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20303 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20304 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20307 2006-01-03 Roger Sayle <roger@eyesopen.com>
20309 * combine.c (reg_subword_p): New predicate to test whether the
20310 destination of a set refers to a subword/piece of a register.
20311 (try_combine): Generalize the code to merge the setting of a
20312 pseudo to a constant followed by a set of a subword of that
20313 register to a constant.
20315 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20317 * basic-block.h (control_flow_graph): Change the type of
20318 x_label_to_block_map to VEC(basic_block,gc) *.
20319 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20320 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20322 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20323 VEC(basic_block,heap) *.
20324 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20325 ssa_prop_fini): Adjust the uses of cfg_blocks.
20327 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20329 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20331 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20332 hashing trees instead of a pointer hash.
20333 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20334 compare for MEM_EXPR.
20336 PR rtl-optimization/25130
20337 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20338 when comparing MEMs for GCSE
20340 2006-01-03 Ben Elliston <bje@au.ibm.com>
20342 * targhooks.h (default_decimal_float_supported_p): Declare.
20343 * targhooks.c (default_decimal_float_supported_p): Define.
20344 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20345 `default_decimal_float_supported_p'.
20346 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20348 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20350 * combine.c (apply_distributive_law <SUBREG>): Check
20351 TRULY_NOOP_TRUNCATION.
20353 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20355 * dwarf2out.c (have_switched_text_section): Delete.
20356 (have_multiple_function_sections): New.
20357 (have_location_lists): Make 'bool'.
20358 (add_AT_loc_list): Use 'true' not '1'.
20359 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20360 (output_loc_list): Use have_multiple_function_sections.
20361 (output_ranges): Likewise.
20362 (dwarf2out_begin_function): Set have_multiple_function_sections if
20364 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20365 Check function_section rather than DECL_SECTION_NAME.
20366 (dwarf2out_finish): Use have_multiple_function_sections.
20367 Don't clear have_location_lists.
20369 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20370 Jan Hubicka <jh@suse.cz>
20372 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20373 case of conditional jump jumping to the next instruction.
20374 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20375 cases of conditional jump jumping to the next instruction.
20377 2006-01-02 Jan Hubicka <jh@suse.cz>
20379 * i386.c (*_cost): Add COSTS_N_INSNS.
20380 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20382 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20385 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20387 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20389 * config/arm/arm.c (all_fpus): Fix comment typo.
20390 * config/darwin.c: Likewise.
20391 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20392 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20393 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20395 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20397 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20398 (rs6000_split_compare_and_swapqhi): New.
20399 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20400 (sync_compare_and_swapqhi_internal): New.
20401 * config/rs6000/rs6000-protos.h: Declare.