1 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
4 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
6 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
9 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
10 -march=native if there is no -mtune=*.
12 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
15 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17 * doc/install.texi: Update recommended MPFR version. Remove
18 obsolete reference to cumulative patch.
20 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
23 * c-decl.c (store_parm_decls_oldstyle): Robustify.
25 2006-11-30 Jan Hubicka <jh@suse.cz>
26 Uros Bizjak <ubizjak@gmail.com>
28 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
29 32bit memcpy/memset decriptors.
30 (decide_alg): With -minline-all-stringops and sizes that are best
31 to be copied via libcall still work hard enough to pick non-libcall
34 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
36 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
38 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
39 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
40 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
41 config/sh/sh4-300.md, config/spu/spu-builtins.def,
42 config/spu/spu-c.c, config/spu/spu-modes.def,
43 config/spu/spu.c, config/spu/spu.md,
44 config/spu/spu_internals.h, config/spu/vmx2spu.h,
45 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
46 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
47 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
48 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
51 * config/i386/i386.c: Fix a comment typo.
53 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
55 * config/spu/spu.c (spu_immediate): Remove trailing comma.
56 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
57 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
59 (floatv4siv4sf2): New.
60 (fix_truncv4sfv4si2): New.
61 (floatunsv4siv4sf2): New.
62 (fixuns_truncv4sfv4si2): New.
70 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
71 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
72 spu_resolve_overloaded_builtin instead of static inline functions.
74 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
76 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
77 type instead of the size of its mode to compute the highest and
78 lowest possible values. Still check the size of the mode before
79 flipping the signedness of the comparison.
81 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
83 * config/spu/predicates.md (spu_mov_operand): Add.
84 * config/spu/spu.c (spu_expand_extv): Remove unused code.
85 (print_operand_address, print_operand): Handle addresses containing AND.
86 (spu_split_load, spu_split_store): Use updated movti pattern.
87 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
88 stores in mov patterns for correct operation of reload.
89 (lq, lq_<mode>, stq, stq_<mode>): Remove.
91 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
94 * c-common.c (check_main_parameter_types): Check for error_mark_node.
96 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
98 * common.opt (ftree-combine-temps): Remove.
99 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
100 (coalesce_ssa_name): Don't check for combine-temps.
101 (coalesce_vars): Remove.
102 (check_replaceable): Use num_imm_uses.
103 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
104 check for combine-temps.
105 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
106 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
107 to register_ssa_partition calls.
108 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
109 (init_var_map, delete_var_map): remove refernces to ref_count.
110 (create_ssa_var_map): Never calculate a ref count.
111 (type_var_init): Remove.
112 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
113 (SSA_VAR_MAP_REF_COUNT): Delete.
114 (create_ssa_var_map): Change Prototype to have no parameters.
115 (version_ref_count): Delete.
116 (register_ssa_partition): Remove 'is_use' paramater and don't set the
118 (type_var_num, type_var, type_var_first_partition,
119 type_var_next_partition, type_var_dump, type_var_delete,
120 type_var_remove_partition, type_var_find, type_var_compact,
121 type_var_decompact): Remove.
123 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
125 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
128 2006-12-01 Richard Guenther <rguenther@suse.de>
131 * dwarf2out.c (struct pubname_struct): Make name const.
132 (add_pubtype): Do not xstrdup identifiers.
134 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
136 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
137 multiword accesses are in range.
139 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
141 PR tree-optimization/29921
142 * tree-ssa-ccp.c (canonicalize_float_value): New function.
143 (set_lattice_value): Use canonicalize_float_value.
145 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
147 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
148 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
149 (spu_cpu_cpp_builtins): Remove.
150 (spu_override_options): Don't set warn_main.
151 (spu_force_reg): Move from spu-c.c.
152 (spu_check_builtin_parm): Likewise.
153 (expand_builtin_args): Likewise.
154 (spu_expand_builtin_1): Likewise.
155 (spu_expand_builtin): Likewise.
156 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
157 warn_main and targetm.resolve_overloaded_builtin.
158 * config/spu/spu-c.c (spu_builtin_range): Remove.
159 (spu_check_builtin_parm): Remove.
160 (expand_builtin_args): Remove.
161 (spu_expand_builtin_1): Remove.
162 (spu_expand_builtin): Remove.
163 (spu_cpu_cpp_builtins): Moved from spu.c
164 (spu_force_reg): Remove.
166 2006-12-01 Joseph Myers <joseph@codesourcery.com>
167 David Edelsohn <edelsohn@gnu.org>
170 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
171 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
172 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
173 HARD_REGNO_NREGS_WITH_PADDING): Define.
174 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
175 HARD_REGNO_NREGS_WITH_PADDING): Define.
176 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
177 Use new macros to detect modes with holes; do not look at integer
179 (subreg_offset_representable_p): Check for and disallow cases
180 where the modes use different numbers of bits from registers.
181 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
182 constant for soft-float.
183 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
185 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
187 * config/rs6000/rs6000.md (movtf): Allow soft-float.
188 (movtf_softfloat): New.
190 2006-11-30 Richard Sandiford <richard@codesourcery.com>
192 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
195 2006-11-30 Andrew Macleod <amacleod@redhat.com>
197 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
198 (COALESCE_HASH_FN): New. Define hash function.
199 (partition_pair_map_hash): New. Hash value for a partition pair.
200 (partition_pair_map_eq): New. Equality for hash pairs.
201 (create_coalesce_list): Create hash table.
202 (delete_coalesce_list): Free hash table.
203 (find_partition_pair): Find/create pairs in hash table.
204 (compare_pairs): Sort pairs in ascending order now.
205 (num_coalesce_pairs): New. Number of pairs in hash table.
206 (struct partition_pair_iterator): Iterator struct for pair table.
207 (first_partition_pair): Iterator function for first pair.
208 (end_partition_pair_p): Iterator function for end of iteration.
209 (next_partition_pair): Iterator function for next pair.
210 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
211 (sort_coalesce_list): Sort pairs from hash table into an array.
212 (pop_best_coalesce): Take pairs from the array.
213 (dump_coalesce_list): Update to use hash table or sorted array.
214 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
215 (struct coalesce_list_d): Add hash table related fields.
217 2006-11-30 Jan Hubicka <jh@suse.cz>
220 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
221 memmove/bcopy->memcpy conversion.
223 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
225 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
226 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
227 Default is the largest alignment supported for 32-bit ELF and
228 representable on a 32-bit host.
230 2006-11-30 Janis Johnson <janis187@us.ibm.com>
232 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
234 2006-11-30 Jan Hubicka <jh@suse.cz>
236 * tree-ssa-operands.h (struct ssa_operands): New.
237 * tree-flow-inline.h (gimple_ssa_operands): New function.
238 * tree-flow.h: (struct gimple_df): Add ssa_operands.
239 * Makefile.in: Remove gt-tree-ssa-operands.h
240 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
241 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
242 operand_memory, operand_memory_index, ops_active): Remove statics.
243 (ALLOC_OPTYPE): Update.
244 (operand_build_sort_virtual): Update.
245 (ssa_operands_active): Update.
246 (init_ssa_operands): Update.
247 (fini_ssa_operands): Update.
248 (ssa_operand_alloc): Update.
249 (INITIALIZE_USE): Update.
250 (finalize_ssa_use_ops): Update.
251 (finalize_ssa_v_may_def_ops): Update.
252 (finalize_ssa_vuse_ops): Update.
253 (finalize_ssa_v_must_def_ops): Update.
255 2006-11-30 Richard Guenther <rguenther@suse.de>
257 * tree-vectorizer.h (vectorizable_function): Export.
258 * tree-vect-transform.c (vectorizable_function): Likewise.
259 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
260 type_in to scalar type in recognition of squaring.
261 Make sure the target can vectorize sqrt in recognition
262 of sqrt, set type_in to vector type in this case.
264 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
266 * config/i386/i386.md (R10_REG): New constant.
267 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
268 (ix86_emit_restore_regs_using_mov): Ditto.
269 (ix86_expand_call): Ditto.
270 (x86_output_mi_thunk): Ditto. Also use R10_REG.
272 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
274 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
275 * alias.c (canon_true_dependence): Update comment.
277 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
279 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
280 at the end of a diagnostics message.
282 * alloc-pool.c (pool_free): Postpone clearing the pool entry
283 until after asserting that it was allocated in the right pool.
285 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
286 successor edge information as well. Make output of live regs
287 on exit consistent with live regs on entry.
289 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
292 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
293 insn patterns for TARGET_80387.
294 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
295 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
296 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
297 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
298 Generate truncxf<mode>2 insn patterns for strict SSE math.
300 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
302 * config/i386/i386.md (movsf_1): Enable pattern for standard
303 80387 constants before reload when optimizing for size.
304 (*movdf_nointeger, *movdf_integer): Ditto.
305 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
306 80387 constants before reload when not optimizing for size.
308 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
309 extension of XFmode input operands.
311 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
313 * config/spu/crt0.c (__dso_handle): Define.
315 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
317 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
318 when clearing the used flags.
320 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
322 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
324 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
327 * config/spu/spu.md (extend_compare<mode>): New pattern.
328 (extend_compare): Change to expand and use the above pattern.
330 2006-11-29 Janis Johnson <janis187@us.ibm.com>
332 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
334 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
335 (DFP_INIT_ROUNDMODE): Define.
336 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
337 * mklibgcc.in: Fix dependencies for dfp-bit.c.
339 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
341 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
342 Update documentation.
343 (associate_line_notes_with_blocks): Kill.
344 (extend_bb): Remove basic block argument, put void instead.
345 Remove line number handling for each bb.
346 (save_line_notes): Kill.
347 (restore_line_notes): Kill.
348 (sched_init): Remove line_note_head initialization.
349 Change extend_bb call.
350 (sched_finish): Remove free of line_note_head.
351 (add_block): Change extend_bb call.
352 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
353 rm_line_notes and restore_line_notes calls.
354 (schedule_ebbs): Remove rm_redundant_line_notes.
355 * sched-int.h (struct haifa_insn_data): Remove line_note.
356 (save_line_notes): Remove declaration.
357 (restore_line_notes): Remove declaration.
358 * modulo-sched.c (loop_canon_p): Update debug info printing
359 by using insn locators instead of line note.
360 (sms_schedule): Update debug info printing, by using insn
361 locators instead of line note.
362 * sched-rgn.c (debug_dependencies): Remove handling of case
363 n>0 (line number), since it's a dead code.
364 (schedule_region): Remove save_line_notes and
365 restore_line_notes calls.
367 2006-11-29 Joseph Myers <joseph@codesourcery.com>
369 * config/rs6000/predicates.md (gpc_reg_operand): Check
371 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
372 SImode subregs of SPE vectors.
373 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
374 * jump.c (true_regnum): Require subregs to satisfy
375 subreg_offset_representable_p.
377 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
378 Steven Bosscher <stevenb.gcc@gmail.com>
380 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
381 since it no longer exists.
383 2006-11-29 Duncan Sands <baldrick@free.fr>
385 PR tree-optimization/23744
386 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
388 2006-11-29 Duncan Sands <baldrick@free.fr>
390 PR tree-optimization/23744
391 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
393 2006-11-29 Duncan Sands <baldrick@free.fr>
395 PR tree-optimization/23744
396 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
398 2006-11-29 Jie Zhang <jie.zhang@analog.com>
400 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
402 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
404 * sh.opt (minline-ic_invalidate): New option.
405 (musermode): Adjust comment.
406 * sh.c (sh_initialize_trampoline): Emit library call unless
407 is set; if it is set, don't emit library call if we can use icbi
409 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
410 icbi for TARGET_SH4_300.
411 * t-sh (LIB1ASMFUNCS_CACHE): Set.
412 * doc/invoke.texi: Document -minline-ic_invalidate; Update
413 -musermode documentation.
415 2006-11-29 Jim Tison <jtison@us.ibm.com>
417 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
418 __gthread_recursive_mutex_init): Define.
420 2006-11-29 Joseph Myers <joseph@codesourcery.com>
422 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
423 STRICT_ALIGNMENT and the type is more aligned than the saved
424 registers, copy via a temporary.
426 2006-11-28 Andrew Pinski <pinskia@gmail.com>
429 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
432 2006-11-28 Bob Wilson <bob.wilson@acm.org>
434 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
436 2006-11-28 Jan Hubicka <jh@suse.cz>
438 Privatize SSA variables into gimple_df.
440 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
441 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
442 gimple_nonlocal_all): New accessors.
443 (first_referenced_var): Update.
444 (mark_stmt_modified): Update.
445 (is_call_clobbered): Update.
446 (mark_call_clobbered): Update.
447 (clear_call_clobbered): Update.
448 (mark_non_addressable): Update.
449 * tree-vrp.c (get_value_range): Update.
450 * tree-into-ssa.c (in_ssa_p): Kill.
451 (get_default_def_for): Update.
452 (rewrite_into_ssa): Update.
453 * tree-complex.c (init_parameter_lattice_values): Update.
454 (update_complex_assignment): Update.
455 (update_parameter_components): Update.
456 (expand_complex_libcall): Update.
457 (expand_complex_operations_1): Update.
458 * tree-tailcall.c (arg_needs_copy_p): Update.
459 (add_virtual_phis): Update.
460 (tree_optimize_tail_calls_1): Update.
461 * tree-ssa-dse.c (memory_ssa_name_same): Update.
462 * tree-ssa-copyrename.c
463 (copy_rename_partition_coalesce): Update.
464 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
465 * tree-ssa-propagate.c (set_rhs): Update.
466 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
467 addressable_vars, global_var):Kill.
468 (set_initial_properties): Update.
469 (init_alias_info): Update.
470 (finalize_ref_all_pointers): Update.
471 (setup_pointers_and_addressables): Update.
472 (maybe_create_global_var): Update.
473 (create_global_var): Update.
474 (dump_points_to_info): Update.
475 * function.h (struct gimple_df): Forward declare.
476 (struct function): Add GIMPLE_DF field.
477 * gimplify.c (force_gimple_operand): Update.
478 * tree-dfa.c (referenced_vars, default_defs): KIll.
479 (make_rename_temp): Update.
480 (dump_variable): Update.
481 (referenced_var_lookup): Update.
482 (referenced_var_check_and_insert): Update.
483 (default_def): Rename to ...
484 (gimple_default_def): ... this one; accept cfun argument.
485 (set_default_def): Update.
486 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
487 (cleanup_control_flow): Update.
488 * tree-ssa-pre.c (compute_avail): Update
489 * tree-ssa-live.c (calculate_live_on_entry): Update.
490 * tree-ssa.c (verify_use): Update.
491 (verify_call_clobbering): Update.
492 (verify_call_clobbering): Update.
493 (init_tree_ssa): Update.
494 (delete_tree_ssa): Update.
495 * tree-outof-ssa.c (coalesce_ssa_name): Update.
496 (rewrite_out_of_ssa): Update.
497 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
498 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
500 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
501 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
502 addressable_vars, aliases_computed_p): Kill.
503 (default_def): Rename to...
504 (gimple_default_def): ... this one.
505 (defaule_def_fn): Kill.
506 (num_referenced_vars, ssa_names, num_ssa_names): Update.
507 * tree-ssa-structalias.c (nonlocal_all): Kill.
508 (get_constraint_exp_from_ssa_var): Update.
509 (create_nonlocal_var): Update.
510 (get_constraint_for): Update.
511 (update_alias_info): Update.
512 (find_global_initializers): Update.
513 (intra_create_variable_infos): Update.
514 (intra_create_variable_infos):
515 (find_what_p_points_to): Update.
516 (init_alias_heapvars): Update.
517 * tree-cfg.c (remove_bb): Update.
518 (gimplify_val): Update.
519 * tree-ssa-reassoc.c (get_rank): Update.
520 (init_reassoc): Update.
521 * tree-ssanames.c: Do not include gt-tree-ssanames.h
522 (ssa_names, free_ssanames): Kill.
523 (init_ssanames): Update.
524 (make_ssa_name): Update.
525 (release_ssa_name): Update.
526 (release_defs): Update.
527 (replace_ssa_name_symbol): Update.
528 * tree-ssa-operands.c (access_can_touch_variable): Update.
529 (add_virtual_operand): Update.
530 (add_call_clobber_ops): Update.
531 (add_call_read_ops): Update.
532 (get_call_expr_operands): Update.
533 (get_asm_expr_operands): Update.
535 2006-11-28 Jan Hubicka <jh@suse.cz>
537 * builtins.c: Include tree-flow.h.
538 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
539 assignment; convert memmove to memcpy for sizes greater than 1 where
540 alignment of operands prohibit the partial overlap.
542 2006-11-28 Jan Hubicka <jh@suse.cz>
544 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
545 * cgraph.c (dump_cgraph_node): Dump stack usage.
546 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
547 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
548 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
549 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
550 (cgraph_check_inline_limits): Limit stack growth.
551 * cfgexpand.c: Include tree-inline.h.
552 (account_stack_vars): New function.
553 (expand_one_var): New param to just account the stack; return estimated
555 (expand_used_vars_for_block): Update call of expand_one_var.
556 (account_used_vars_for_block): New function.
557 (estimated_stack_frame_size): Likewise.
558 (init_vars_expansion, fini_vars_expansion): Break out from..
559 (expand_used_vars): ... here.
560 * tree-inline.h (estimated_stack_frame_size): Declare.
561 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
563 2006-11-28 Richard Guenther <rguenther@suse.de>
565 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
566 unsigned long for printing OBJECT_SIZE.
568 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
570 * alias.c (init_alias_analysis): Remove simplification loop
571 after propagating pointers.
573 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
575 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
578 2006-11-27 Bob Wilson <bob.wilson@acm.org>
580 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
582 2006-11-27 Roger Sayle <roger@eyesopen.com>
583 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
585 * c-common.c (constant_fits_type_p): Delete.
586 (unsigned_conversion_warning): Delete.
587 (conversion_warning): Integrate Wconversion warning from
588 unsigned_conversion_warning.
589 (convert_and_check): Integrate Woverflow warning from
590 unsigned_conversion_warning. Reorganize and simplify to avoid
591 dependence upon the middle-end setting TREE_OVERFLOW on integral
592 conversions, by using int_fits_type_p directly.
594 2006-11-27 Tobias Burnus <burnus@net-b.de>
596 * doc/invoke.texi: Fixed typo.
598 2006-11-27 Michael Matz <matz@suse.de>
599 Andreas Krebbel <krebbel1@de.ibm.com>
602 * config/s390/predicates.md (larl_operand): Check addend of larl
603 operand to be in range of -/+2GB.
604 * config/s390/s390.c (legitimize_pic_address): Likewise.
605 Changed type of variable even to HOST_WIDE_INT.
607 2006-11-27 Jan Hubicka <jh@suse.cz>
609 * expr.c (emit_block_move_via_libcall): Export.
610 (clear_storage_via_libcall): Rename to ...
611 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
612 (clear_storage): Update to set_storage_via_libcall.
613 * expr.h (emit_block_move_via_libcall): Declare
614 * config/i386/i386.h (stringop_alg): New enum.
615 (MAX_STRINGOP_ALGS): New constant.
616 (stringop_algs): New struct.
617 (processor_costs): Add memcpy/memset descriptors.
618 (TARGET_REP_MOVEL_OPTIMAL): Remove.
619 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
620 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
622 * config/i386/i386.opt (minline-stringops-dynamically,
623 mstringop-strategy): New
625 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
626 (ix86_expand-clrmem): Rename to ...
627 (ix86_expand_setmem): ... this one; update prototype.
628 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
629 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
630 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
631 nocona_cost, core2_cost, generic_cost, generic64_cost,
632 generic32_cost): Add memcpy/memset descriptors.
633 (x86_rep_movl_optimal): Remove.
634 (stringop_alg): New static variable.
635 (ix86_expand_aligntest): Handle predictions.
636 (override_options): Add strgop_alg handling.
637 (predict_jump): New function.
638 (scale_counter): New function.
639 (expand_set_or_movmem_via_loop): New function.
640 (expand_movmem_via_rep_mov): New function.
641 (expand_setmem_via_rep_stots): New function.
642 (emit_strmov): New function.
643 (expand_movmem_epilogue): New function.
644 (expand_setmem_epilogue_via_loop): New function.
645 (expand_setmem_epilogue): New function.
646 (expand_movmem_prologue): New function.
647 (expand_setmem_prologue): New function.
648 (decide_alg): New function.
649 (decide_alignment): New function.
650 (ix86_exand_movmem): Rewrite.
651 (promote_duplicated_reg): New function.
652 (ix86_expand_clrmem): Rename to ...
653 (ix86_expand_setmem): ... this one. Rewrite.
655 * invoke.texi (minline-stringops-dynamically): New command line option.
656 (mstringop-strategy): Likewise.
658 2006-11-27 Jan Hubicka <jh@suse.cz>
660 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
661 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
662 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
663 * insn-notes.def (FUNCTION_END): Remove.
664 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
665 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
667 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
668 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
669 * cfglayout.c (duplicate_insn_chain): Don't worry about
672 2006-11-27 Richard Guenther <rguenther@suse.de>
673 Zdenek Dvorak <dvorakz@suse.cz>
675 * target.h (struct gcc_target): Add builtin_vectorized_function
677 * target-def.h (TARGET_VECTORIZE): Likewise.
678 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
679 Document new target hook.
680 * targhooks.h (default_builtin_vectorized_function): Declare.
681 * targhooks.c (default_builtin_vectorized_function): Define.
682 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
683 (vectorizable_call): Declare.
684 * tree-vect-analyze.c (vect_analyze_operations): Call
686 * tree-vect-transform.c (vectorizable_function): New static function.
687 (build_vectorized_function_call): Likewise.
688 (vectorizable_call): New function.
689 (vect_transform_stmt): Handle vectorizable calls.
691 2006-11-27 Richard Guenther <rguenther@suse.de>
694 * builtins.c (expand_builtin_pow): Optimize non integer valued
695 constant exponents using sqrt or cbrt if possible. Always fall back
696 to expanding via optabs.
698 2006-11-27 Ira Rosen <irar@il.ibm.com>
700 PR tree-optimization/22372
701 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
702 the type of the base address.
703 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
704 it in the data-ref pointer creation.
705 (vect_init_vector): Add an argument, type of the init vector. Use it in
707 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
708 (get_initial_def_for_reduction): Likewise.
709 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
711 (vectorizable_assignment, vect_permute_store_chain): Likewise.
712 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
713 correct type in stmt creation.
714 (vect_setup_realignment): Use the correct type in stmt creation.
715 (vect_permute_load_chain): Change type of MODIFY_EXPR to
717 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
718 of MODIFY_EXPR to void_type_node.
719 (vectorizable_condition): Change type of MODIFY_EXPR to
721 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
724 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
727 2006-05-08 Uros Bizjak <uros@kss-loka.si>
728 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
729 standard 80387 constants, raise the cost to prevent
730 compress_float_constant() to generate load from memory.
732 * config/i386/i386.md: Add new splitter pattern to split
733 float_extended load of constant from constant pool into
736 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
738 * doc/install.texi: Move GMP/MPFR configure options from Fortran
739 section to general section. Remove documentation for
740 --with-mpfr-dir and --with-gmp-dir, add documentation for
741 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
744 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
746 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
748 * testsuite/gcc.dg/ipa/ipa-6.c: New.
750 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
752 PR tree-optimization/29122
753 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
754 for the new version. Assign NULL to DECL_RTL of the new version.
756 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
758 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
760 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
762 * cse.c (cse_altered): Remove.
763 (record_jump_equiv): Make true/false argument a bool instead
765 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
766 where appropriate. Emit a new jump before the existing one
767 instead of after so that delete_insn_and_edges removes the
768 dead edges properly. Check any_condjump_p before calling
770 (cse_basic_block): Check any_condjump_p before calling
772 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
774 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
776 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
777 -ffixed-line-length-* options.
779 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
781 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
782 (fprem1xf4): Rename to fprem1xf4_i387.
784 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
785 Rename patterns to fmod<mode>3. Use general_operand operand
786 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
787 patterns for SSE math.
788 (remaindersf3, remainderdf3): Ditto.
790 2006-11-25 Joseph Myers <joseph@codesourcery.com>
792 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
793 inside start_sequence / end_sequence pair.
795 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
797 * jump.c (mark_all_labels): Work in cfglayout mode.
798 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
799 when in cfglayout mode, because there are no dead jumptables
801 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
803 (commit_edge_insertions): Do not allow insertion of instructions
804 with control flow insns when in cfglayout mode.
806 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
808 * tree-vrp.c (execute_vrp): Do not pass loops structure through
810 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
811 unswitch_loop): Ditto.
812 * tree-loop-linear.c (linear_transform_loops): Ditto.
813 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
814 tree_ssa_lim): Ditto.
815 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
816 free_numbers_of_iterations_estimates): Ditto.
817 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
818 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
819 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
820 remove_path, add_loop, loopify, unloop, fix_loop_placements,
821 place_new_loop, duplicate_loop, duplicate_subloops,
822 update_single_exit_for_duplicated_loops, copy_loops_to,
823 duplicate_loop_to_header_edge, create_preheaders,
824 force_single_succ_latches, loop_version, fix_loop_structure):
826 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
827 tree_unroll_loop): Ditto.
828 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
829 * tree-scalar-evolution.c (select_loops_exit_conditions,
830 scev_initialize, scev_analysis): Ditto.
831 * tree-scalar-evolution.h (scev_initialize): Ditto.
832 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
833 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
834 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
835 * modulo-sched.c (sms_schedule): Ditto.
836 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
837 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
838 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
839 * ifcvt.c (if_convert): Ditto.
840 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
841 canonicalize_loop_induction_variables,
842 canonicalize_induction_variables,
843 tree_unroll_loops_completely, remove_empty_loops): Ditto.
844 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
845 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
846 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
847 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
848 tree_ssa_loop_done): Ditto.
849 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
850 estimate_bb_frequencies): Ditto.
851 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
852 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
853 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
854 decide_unrolling_and_peeling, peel_loop_completely,
855 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
856 peel_loop_simple, unroll_loop_stupid): Ditto.
857 * loop-doloop.c (doloop_optimize_loops): Ditto.
858 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
859 * loop-invariant.c (move_loop_invariants): Ditto.
860 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
861 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
862 tree_ssa_prefetch_arrays): Ditto.
863 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
865 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
866 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
867 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
868 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
869 verify_loop_structure): Ditto.
870 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
871 canonicalize_induction_variables, tree_unroll_loops_completely,
872 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
873 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
874 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
875 tree_unroll_loop, linear_transform_loops): Declaration changed.
876 * basic-block.h: Remove declaration of struct loops.
877 * cfghooks.h (struct cfg_hooks): Change type of
878 cfg_hook_duplicate_loop_to_header_edge.
879 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
880 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
881 vect_transform_loop): Declaration changed.
882 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
883 * cfgloop.h (flow_loops_dump, fix_loop_structure,
884 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
885 cancel_loop_tree, create_preheaders, force_single_succ_latches,
886 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
887 loopify, loop_version, remove_path, unswitch_loops,
888 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
891 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
893 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
894 (X87MODEF): New mode macro.
895 (ssemodefsuffix): New mode attribute.
896 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
897 (sqrt_extend<mode>xf2_i387): New insn pattern.
898 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
899 insn and truncate result back to original mode using
900 UNSPEC_TRUNC_NOOP truncation.
901 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
902 ssemodefsuffix mode attribute.
903 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
904 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
905 (*sqrtextenddfxf2_i387): Remove insn patterns.
907 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
910 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
912 2006-11-24 Jakub Jelinek <jakub@redhat.com>
915 * c-tree.h (c_maybe_initialize_eh): New prototype.
916 * c-decl.c (finish_decl): Move EH initialization...
917 (c_maybe_initialize_eh): ... here. New function.
918 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
919 if not #pragma omp atomic.
922 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
923 or UNION_TYPE inner types.
925 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
928 * ipa-pure-const.c (check_tree): If the original tree
929 is volatile return early and say the function is not pure
930 nor const. Remove the volatile check for writes.
931 (analyze_function): Print out the result of the local
934 2006-11-24 Joseph Myers <joseph@codesourcery.com>
936 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
938 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
939 * config/rs6000/rs6000.c (rs6000_override_options): Use
940 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
943 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
945 * config/s390.c (s390_emit_compare_and_swap): New function.
946 (s390_expand_cs_hqi, s390_expand_atomic): Call
947 s390_emit_compare_and_swap.
949 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
951 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
953 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
957 * c-common.c (conversion_warning): New.
958 (convert_and_check): Call conversion_warning unless there is an
960 * doc/invoke.texi (-Wconversion): Update description.
962 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
964 * tree-ssa-alias.c (tree_pointer_compare): New function.
965 (compact_name_tags): New function.
966 (group_aliases): Call compact_name_tags.
968 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
970 * real.h (real_isinteger): Declare.
971 * real.c (real_isinteger): Define.
972 * builtins.c (integer_valued_real_p): Use it.
974 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
977 * c.opt (Wtraditional-conversion): New.
978 (Wconversion): Update description.
979 * c-typeck.c (convert_arguments): Warnings for prototypes causing
980 type conversions different from what would happen in the absence
981 of prototype are now handled by Wtraditional-conversion.
982 * doc/invoke.texi (Wtraditional-conversion): New.
983 (Wconversion): Update description.
984 * doc/trouble.texi (Wconversion): Replace Wconversion by
985 Wtraditional-conversion.
987 2006-11-23 Andrew Pinski <pinskia@gmail.com>
989 * predict.c (tree_estimate_probability): Check to make
990 sure current_loops is non null before calling flow_loops_dump.
992 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
994 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
996 2006-11-23 David Ung <davidu@mips.com>
998 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1000 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1001 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1002 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1003 high part of FP register when in 64-bit FP register mode. Similarly
1004 use gen_mfhc1 to load high part of FP register.
1005 (override_options): Allow -mgp32 and -mfp64 combination if
1006 ISA_HAS_MXHC1 (currently for O32 only).
1007 (mips_cannot_change_mode_class): If floating-point registers are
1008 bigger than word size. disallow conversion of float register from a
1009 large integer mode to a float mode smaller than the float register
1011 (mips_class_max_nregs): Handle float registers case seperately.
1012 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1014 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1015 (movdf_hardfloat_32bit): Similarly.
1016 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1017 support a full 64-bit fpu.
1018 (mthc1): New pattern to generate MTHC1 instruction.
1019 (mfhc1): New pattern to generate MFHC1 instruction.
1020 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1021 option for the MIPS32R2 and mention its use under O32 ABI.
1023 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1025 * var-tracking.c (emit_note_insn_var_location): Take care not to
1026 cause verify_flow_info failures.
1028 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1030 * tree-ssa-structalias.c: Remove edge weights in favor of just
1031 processing them as complex constraints.
1032 (struct constraint_graph): Remove weighted succs and preds. Rename
1033 nonweighted succs and preds.
1034 (constraint_edge): Removed.
1035 (constraint_edge_t): Ditto.
1036 (constraint_edge_pool): Ditto.
1037 (new_constraint_edge): Ditto.
1038 (constraint_edge_equal): Ditto.
1039 (constraint_edge_less): Ditto.
1040 (constraint_edge_vec_find): Ditto.
1041 (erase_self_graph_edge): Ditto.
1042 (add_graph_edge): Removed.
1043 (get_graph_weights): Ditto.
1044 (allocate_graph_weights): Ditto.
1045 (valid_weighted_graph_edge): Ditto
1046 (bitmap_other_than_zero_bit_set): Ditto.
1047 (int_add_graph_edge): Renamed to add_graph_edge.
1048 (clear_edges_for_node): Remove support for weighted edges.
1049 (merge_graph_nodes): Ditto.
1050 (valid_graph_edge): Ditto.
1051 (build_constraint_graph): Ditto.
1053 (collapse_nodes): Ditto.
1054 (process_unification_queue): Ditto.
1055 (topo_visit): Ditto.
1056 (do_ds_constraint): Ditto.
1057 (perform_var_subsitution): Ditto.
1058 (solve_graph): Ditto.
1059 (init_alias_vars): Ditto.
1060 (delete_points_to_sets): Ditto.
1061 (do_complex_constraint): Support offsetted copies here.
1063 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1065 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1067 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1069 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1072 2006-11-23 Ben Elliston <bje@au.ibm.com>
1074 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1076 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1078 PR tree-optimization/29921
1079 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1080 signed and unsigned zero equal.
1082 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1084 * config/rs6000/rs6000.c (get_store_dest): New.
1085 (adjacent_mem_locations): Use get_store_dest() to get
1086 the rtl of the store destination.
1088 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1090 * config/rs6000/spe.md (SPE64): New mode macro.
1091 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1093 (mov_si<mode>_e500_subreg0_2): New.
1094 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1096 (mov_si<mode>_e500_subreg4_2): New.
1097 * config/rs6000/predicates.md (input_operand): Do not allow
1098 invalid E500 subregs.
1099 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1101 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1102 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1103 involving vector modes if TARGET_SPE.
1105 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1108 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1109 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1111 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1113 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1114 mem_i_address_operand): New predicates.
1115 * config/bfin/bfin.c (bfin_issue_rate): New function.
1116 (TARGET_SCHED_ISSUE_RATE): New macro.
1117 * config/bfin/bfin.md (addrtype): New attribute.
1118 (slot0, slot1, slot2, store, pregs): New cpu_units.
1119 (core): Now a define_reservation.
1120 (alu): Remove some insn types from this reservation.
1121 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1123 (dummy reservation): Don't trigger for mcld insns.
1124 (absence_sets): Two new absence sets to enforce slot ordering.
1125 (popsi_insn): Set addrtype.
1127 2006-11-22 Ira Rosen <irar@il.ibm.com>
1129 * doc/c-tree.texi: Document new tree codes.
1130 * doc/md.texi: Document new optabs.
1131 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1133 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1134 * optabs.h (optab_index): Add new.
1135 (vec_extract_even_optab, vec_extract_odd_optab,
1136 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1137 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1138 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1140 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1141 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1142 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1143 along with macros for their access.
1144 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1146 * tree-vect-analyze.c (toplev.h): Include.
1147 (vect_determine_vectorization_factor): Fix indentation.
1148 (vect_insert_into_interleaving_chain,
1149 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1150 (vect_analyze_data_ref_dependence): Add argument for interleaving
1151 check. Check for interleaving if it's true.
1152 (vect_check_dependences): New function.
1153 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1154 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1155 (vect_update_misalignment_for_peel): Update for interleaving.
1156 (vect_verify_datarefs_alignment): Check only first data-ref for
1158 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1159 only first data-ref for interleaving.
1160 (vect_analyze_data_ref_access): Check interleaving, update
1162 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1163 with different parameters.
1164 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1165 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1166 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1167 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1168 Update step in case of interleaving.
1169 (vect_strided_store_supported, vect_permute_store_chain): New
1171 (vectorizable_store): Handle strided stores.
1172 (vect_strided_load_supported, vect_permute_load_chain,
1173 vect_transform_strided_load): New functions.
1174 (vectorizable_load): Handle strided loads.
1175 (vect_transform_stmt): Add argument. Handle strided stores. Check
1176 that vectorized stmt exists for patterns.
1177 (vect_gen_niters_for_prolog_loop): Update calculation for
1179 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1180 whole chain vectorization.
1181 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1182 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1183 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1184 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1185 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1187 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1189 * cse.c (enum taken): Remove PATH_AROUND.
1190 (addr_affects_sp_p, invalidate_skipped_set,
1191 invalidate_skipped_block): Remove.
1192 (cse_end_of_basic_block): Remove skip_blocks and related code.
1193 (cse_main): Don't test for flag_cse_skip_blocks.
1194 Update cse_end_of_basic_block call.
1195 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1196 code to lengthen the path if a jump was simplified.
1198 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1200 PR rtl-optimization/29924
1201 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1202 (unroll_loop_runtime_iterations): Assert that the argument passed to
1203 split_edge_and_insert is not NULL.
1204 * loop-doloop.c (add_test): Ditto.
1206 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1208 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1210 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1211 * cfgloopmanip.c (update_single_exits_after_duplication,
1212 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1213 * tree-scalar-evolution.c (get_loop_exit_condition,
1214 get_exit_conditions_rec, loop_closed_phi_def,
1215 number_of_iterations_in_loop, scev_const_prop): Ditto.
1216 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1217 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1219 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1221 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1222 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1223 slpeel_make_loop_iterate_ntimes,
1224 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1225 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1227 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1228 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1229 vect_analyze_loop_form): Ditto.
1230 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1231 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1232 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1233 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1234 vect_transform_loop): Ditto.
1235 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1236 (single_exit, set_single_exit): New functions.
1237 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1238 (single_exit, set_single_exit): Declare.
1239 * doc/loop.texi: Undocument single_exit field. Document single_exit
1242 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1244 PR tree-optimization/29902
1245 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1246 any involved ssa name appears in abnormal phi node.
1248 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1250 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1251 (xtensa_const_ok_for_letter_p): Delete.
1252 (xtensa_extra_constraint): Delete.
1253 (override_options): Delete xtensa_char_to_class initialization.
1254 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1255 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1256 (EXTRA_CONSTRAINT): Delete.
1257 * config/xtensa/xtensa.md: Include constraints.md.
1258 (call_internal): Combine alternatives.
1259 (call_value_internal): Likewise, and remove invalid constraints.
1260 * config/xtensa/constraints.md: New file.
1261 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1262 (xtensa_extra_constraint): Delete.
1263 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1266 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1268 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1269 of conversion that doesn't fit.
1271 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1272 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1273 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1275 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1277 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1279 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1281 2006-11-21 Richard Guenther <rguenther@suse.de>
1283 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1284 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1285 vect_recog_pow_pattern.
1286 (vect_recog_pow_pattern): New function.
1288 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1290 * config/bfin/bfin.opt (mstack-check-l1): New.
1291 * doc/invoke.texi (Blackfin Options): Document it.
1292 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1293 stack bounds in L1 memory if the new option is enabled.
1294 (override_options): Don't allow combinations of -fstack-limit and
1296 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1299 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1301 (bfin_register_move_cost): Bump costs if trying to move plain
1302 integer values through accumulators.
1304 2006-11-21 Ben Elliston <bje@au.ibm.com>
1306 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1308 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1309 Russell Olsen <Russell_Olsen@playstation.sony.com>
1310 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1311 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1312 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1313 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1314 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1316 * config.gcc: Add target for SPU.
1317 * config/spu/constraints.md: New file.
1318 * config/spu/crt0.c: New file.
1319 * config/spu/crtend.c: New file.
1320 * config/spu/crti.asm: New file.
1321 * config/spu/crtn.asm: New file.
1322 * config/spu/float_unsdidf.c: New file.
1323 * config/spu/float_unssidf.c: New file.
1324 * config/spu/predicates.md: New file.
1325 * config/spu/spu-builtins.def: New file.
1326 * config/spu/spu-builtins.h: New file.
1327 * config/spu/spu-builtins.md: New file.
1328 * config/spu/spu-c.c: New file.
1329 * config/spu/spu-elf.h: New file.
1330 * config/spu/spu-modes.def: New file.
1331 * config/spu/spu-protos.h: New file.
1332 * config/spu/spu.c: New file.
1333 * config/spu/spu.h: New file.
1334 * config/spu/spu.md: New file.
1335 * config/spu/spu.opt: New file.
1336 * config/spu/spu_internals.h: New file.
1337 * config/spu/spu_intrinsics.h: New file.
1338 * config/spu/spu_mfcio.h: New file.
1339 * config/spu/t-spu-elf: New file.
1340 * config/spu/vec_types.h: New file.
1341 * config/spu/vmx2spu.h: New file.
1342 * doc/contrib.texi: Document SPU contributor.
1343 * doc/extend.texi: Document SPU extensions.
1344 * doc/invoke.texi: Document SPU options.
1345 * doc/md.texi: Document SPU constraints.
1347 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1349 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1351 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1353 (flow_loop_dump): Do not dump loop level.
1354 (flow_loops_find): Do not call flow_loops_level_compute.
1355 * cfgloop.h (struct loop): Remove level field.
1357 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1359 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1360 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1361 Use vector of edges instead of array.
1362 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1363 estimate_numbers_of_iterations_loop): Ditto.
1364 * predict.c (predict_loops): Ditto.
1365 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1366 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1368 * basic-block.h: Declare heap allocation for edge vectors.
1369 * tree-outof-ssa.c: Ditto.
1370 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1371 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1373 2006-11-20 Zack Weinberg <zackw@panix.com>
1375 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1376 Add another out parameter, "skip".
1377 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1378 is tagged "skip", do not mark its type used.
1380 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1383 * tree-sra.c (single_scalar_field_in_record_p): New function.
1384 (decide_block_copy): Use it.
1386 2006-11-20 David Daney <ddaney@avtrex.com>
1388 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1389 PC to point to following instruction.
1391 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1395 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1397 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1399 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1401 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1402 Add sh/superh.h to tm_file.
1404 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1405 Mark Mitchell <mark@codesourcery.com>
1407 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1409 (cpp_relocated): New function.
1410 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1412 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1413 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1414 replace configured prefix with gcc_exec_prefix.
1416 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1418 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1419 bfin_legitimate_constant_p.
1420 * config/bfin/bfin.md (movsi expander): Check return value of
1422 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1423 (expand_move): Adjust prototype.
1424 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1425 invalid constants specially.
1426 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1428 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1430 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1431 sibcall_value_symbol): Allow these patterns if
1432 TARGET_LEAF_ID_SHARED_LIBRARY.
1433 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1434 (override_options): Turn on id shared library flags if -msep-data,
1435 but disallow the combination of these options on the command line.
1436 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1437 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1438 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1439 -mid-shared-library.
1440 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1441 * doc/invoke.texi (Blackfin Options): Document new switches.
1443 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1444 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1446 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1447 inflate costs for addresses with an out-of-bounds address.
1449 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1452 * fwprop.c (loops): Remove.
1453 (forward_propagate_into): Use current_loops instead of
1455 (fwprop_init): Call loop_optimizer_init instead of
1457 (fwprop_done): Call loop_optimizer_finalize instead of
1459 (fwprop): Use current_loops instead of loops.
1461 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1464 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1466 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1469 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1470 larger than BITS_PER_WORD.
1472 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1476 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1477 to MAX_FIXED_MODE_SIZE.
1479 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1481 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1482 (fold_builtin_fmin_fmax): New.
1483 (fold_builtin_1): Use it.
1485 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1487 2006-11-18 Richard Guenther <rguenther@suse.de>
1489 * config/i386/i386.c (ix86_builtins): New array for ix86
1490 builtin function decls.
1491 (def_builtin): New function.
1492 (def_builtin_const): Likewise.
1493 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1495 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1497 * doc/invoke.texi (core2): Add item.
1499 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1501 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1502 (TARGET_CPU_DEFAULT_generic): Change value.
1503 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1504 (processor_type): Add new constant PROCESSOR_CORE2.
1506 * config/i386/i386.md (cpu): Add core2.
1508 * config/i386/i386.c (core2_cost): New initialized variable.
1509 (m_CORE2): New macro.
1510 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1511 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1512 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1513 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1514 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1515 x86_accumulate_outgoing_args, x86_prologue_using_move,
1516 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1517 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1518 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1519 x86_pad_returns): Add m_CORE2.
1520 (override_options): Add entries for Core2.
1521 (ix86_issue_rate): Add case for Core2.
1523 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1525 * doc/invoke.texi: Fix mno-isel typo.
1527 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1529 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1530 easy vector constant loads.
1532 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1534 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1535 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1536 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1537 * config/rs6000/sync.md (lwsync): Emit plain sync if
1540 2006-11-17 DJ Delorie <dj@redhat.com>
1542 * reload1.c (reloads_unique_chain): New.
1543 (reloads_conflict): Call it.
1545 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1547 * config/xtensa/predicates.md (addsubx_operand): New.
1548 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1549 (xtensa_emit_bit_branch): New.
1550 (xtensa_emit_movcc): New.
1551 * config/xtensa/xtensa.md (any_minmax): New code macro.
1552 (minmax): New code attribute.
1553 (any_cond, any_scc, any_scc_sf): New code macros.
1554 (*addx2, *addx4, *addx8): Delete.
1556 (*subx2, *subx4, *subx8): Delete.
1558 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1559 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1560 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1561 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1562 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1563 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1564 (movsfcc_internal0, movsfcc_internal1): Likewise.
1565 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1566 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1567 (xtensa_emit_bit_branch): New.
1568 (xtensa_emit_movcc): New.
1569 (function_arg_boundary): Add missing prototype.
1571 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1573 * config/xtensa/xtensa.md (tstsi): Delete
1575 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1577 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1579 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1581 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1583 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1585 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1587 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1589 * tree-vrp.c (execute_vrp): Do not update current_loops.
1590 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1591 * doc/loop.texi: Remove documentation for cancelled functions.
1592 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1593 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1595 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1596 (remove_path): Ensure that in delete_basic_blocks, the loops
1597 are still allocated.
1598 (add_loop): Work on valid loop structures.
1599 (loopify): Modify call of add_loop.
1600 (mfb_update_loops): Removed.
1601 (create_preheader): Do not update loops explicitly.
1602 (force_single_succ_latches, loop_version): Do not use
1603 loop_split_edge_with.
1604 (loop_split_edge_with): Removed.
1605 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1606 Do not use bsi_insert_on_edge_immediate_loop.
1607 (split_loop_exit_edge, tree_unroll_loop): Do not use
1608 loop_split_edge_with.
1609 (bsi_insert_on_edge_immediate_loop): Removed.
1610 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1611 use loop_split_edge_with.
1612 * cfghooks.c: Include cfgloop.h.
1613 (verify_flow_info): Verify that loop_father is filled iff current_loops
1615 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1616 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1618 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1620 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1621 loop_split_edge_with.
1622 (sms_schedule): Use current_loops.
1623 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1624 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1626 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1627 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1628 * ifcvt.c (if_convert): Ditto.
1629 * predict.c (predict_loops): Do not clear current_loops.
1630 (tree_estimate_probability): Use current_loops.
1631 (propagate_freq): Receive head of the region to propagate instead of
1633 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1634 (estimate_loops): New function. Handle case current_loops == NULL.
1635 (estimate_bb_frequencies): Do not allocate tovisit. Use
1637 * tree-ssa-loop.c (current_loops): Removed.
1638 (tree_loop_optimizer_init): Do not return loops.
1639 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1640 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1641 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1642 Do not update loops explicitly.
1643 * function.h (struct function): Add x_current_loops field.
1644 (current_loops): New macro.
1645 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1646 * loop-unroll.c (split_edge_and_insert): New function.
1647 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1648 use loop_split_edge_with.
1649 * loop-doloop.c (add_test, doloop_modify): Ditto.
1650 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1651 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1652 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1653 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1655 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1656 (flow_loops_free): Do not free dfs_order and rc_order.
1657 (flow_loops_find): Do not set dfs_order and rc_order in loops
1658 structure. Do not call loops and flow info verification.
1659 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1660 already belongs to some loop.
1661 * cfgloop.h (struct loops): Remove struct cfg.
1662 (current_loops, loop_split_edge_with): Declaration removed.
1663 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1664 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1665 Declaration removed.
1666 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1667 * basic-block.h (split_edge_and_insert): Declare.
1668 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1670 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1672 PR tree-optimization/29801
1673 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1674 (get_default_value): Use get_symbol_constant_value.
1675 (set_lattice_value): ICE when the value of the constant is
1677 (visit_assignment): Ignore VDEFs of read-only variables.
1679 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1681 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1683 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1684 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1686 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1688 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1689 select subvars of var.
1691 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1694 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1695 optimize if DEF doesn't have integral type.
1697 2006-11-16 Mike Stump <mrs@apple.com>
1699 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1700 pre-darwin9 system, unless the user asks for it directly.
1701 (PREFERRED_DEBUGGING_TYPE): Likewise.
1702 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1703 * config.gcc: Add suppport for darwin9.h.
1704 * config/darwin9.h: Add.
1705 * doc/install.texi (Specific): Clarify darwin documentation.
1707 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1709 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1710 optimizing for size.
1712 2006-11-16 Mike Stump <mrs@apple.com>
1714 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1716 2006-11-16 Dirk Mueller <dmueller@suse.de>
1718 * tree-vrp.c (get_value_range): Use XCNEW instead
1720 (insert_range_assertions): Use XCNEWVEC instead
1721 of XNEWVEC and memset.
1722 (vrp_initialize): Same.
1723 (vrp_finalize): Same.
1724 * tree-ssa-ccp.c (ccp_initialize): Same.
1725 * predict.c (tree_bb_level_predictions): Same.
1726 * calls.c (expand_call): Same.
1727 * tree-ssa-copy.c (init_copy_prop): Same.
1728 (fini_copy_prop): Same.
1729 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1730 of GGC_NEW and memset.
1732 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1735 * gimplify.c (gimplify_expr): Only force a load for references to
1736 non-BLKmode volatile values.
1737 * doc/implement-c.texi (Qualifiers implementation): Document the
1738 interpretation of what a volatile access is.
1739 * doc/extend.texi (C++ Extensions): Rework same documentation.
1741 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1743 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1746 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1748 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1750 (arm_neg_abssi2): Renamed from neg_abssi2.
1751 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1753 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1755 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1756 number of arguments passed to local functions in SSE registers is 3.
1758 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1759 number of arguments passed in SSE registers to 3.
1761 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1764 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1766 (get_last_bb_insn): ... new global function.
1767 (basic_block.h): Declare it.
1768 * haifa-sched.c (create_recovery_block): Use it.
1770 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1773 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1775 2006-11-15 Paul Brook <paul@codesourcery.com>
1777 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1778 _Unwind_GetTextRelBase): Move from here ...
1779 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1780 _Unwind_GetTextRelBase): ... To here.
1782 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1784 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1785 addresses we generate for testing are aligned.
1787 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1790 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1791 to what is the const decl is a place holder for.
1793 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1795 * config/i386/i386.opt: New target option -mx87regparm.
1797 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1798 and float_in_x87 variables. mmx_words, sse_words: Remove.
1799 (X87_REGPARM_MAX): Define.
1801 * config/i386/i386.c (override_options): Error out for
1802 -mx87regparm but no 80387 support.
1803 (ix86_attribute_table): Add x87regparm.
1804 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1805 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1806 (ix86_function_x87regparm): New function.
1807 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1809 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1811 (function_arg_advance): Process x87_nregs and x87_regno when
1812 floating point argument is to be passed in 80387 register.
1813 (function_arg): Pass XFmode arguments in 80387 registers for local
1814 functions. Pass SFmode and DFmode arguments to local functions
1815 in 80387 registers when flag_unsafe_math_optimizations is set.
1817 * reg-stack.c (convert_regs_entry): Disable NaN load for
1818 stack registers that are used for argument passing.
1820 * doc/extend.texi: Document x87regparm function attribute.
1821 * doc/invoke.texi: Document -mx87regparm.
1823 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1825 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1826 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1827 arg MODE; all callers changed. Use it to determine validity per
1828 machine mode instead of using Pmode for all memory references.
1829 (get_address_cost): Likewise add and use new arg MEM_MODE.
1831 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1832 J"orn Rennecke <joern.rennecke@st.com>
1834 * combine.c (likely_spilled_retval_1): Fix masking operation.
1835 (likely_spilled_retval_p): Use proper pattern for call to
1836 likely_spilled_retval_1.
1838 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1840 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1842 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1843 that tests for CONSTANT_POOL_ADDRESS_P.
1845 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1847 PR tree-optimization/29581
1848 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1849 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1850 type is different between Y and USE, create a temporary
1851 variable, initialize it at the beginning of the body bb
1852 and use it as replacement instead of Y.
1854 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1857 * gimplify.c (fold_indirect_ref_rhs): Use
1858 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1860 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1862 * expmed.c (emit_store_flag_1): New function.
1863 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1865 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1866 Use do_compare_rtx_and_jump.
1867 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1868 * arm.md (cstoresi4): New define_expand.
1869 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1870 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1871 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1873 2006-11-14 Caroline Tice <ctice@apple.com>
1875 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1876 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1878 (pubname_table): Redefine as a vector.
1879 (pubtype_table): New static global variable, defined as a vector.
1880 (pubname_table_allocated): Remove static global variable.
1881 (pubname_table_in_use): Remove static global variable.
1882 (PUBNAME_TABLE_INCREMENT): Remove constant.
1883 (size_of_pubnames): Add parameter to deal with either pubnames or
1884 pubtypes, and change code to deal with table being a vector.
1885 (add_pubname): Change to deal with table being a vector.
1886 (add_pubtype): New function.
1887 (output_pubnames): Add parameter to deal with either pubnames or
1888 pubtypes, and change code to deal with table being a vector.
1889 (gen_array_type_die): Add call to add_pubtype.
1890 (gen_enumeration_type_die): Add call to add_pubtype.
1891 (gen_struct_or_union_type_die): Add call to add_pubtype.
1892 (gen_subroutine_type_die): Add call to add_pubtype.
1893 (gen_typedef_die): Add call to add_pubtype.
1894 (dwarf2out_init): Add code to initialize pubname_table and
1895 pubtype_table vectors; also initialize debug_pubtypes_section.
1896 (prune_unused_types): Change to deal with pubnames being a vector.
1897 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1898 pubnames table to call to output_pubnames; Add code to output pubtypes
1899 table if DEBUG_PUBTYPES_SECTION is defined.
1900 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1902 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1904 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1906 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1907 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1908 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1909 movv2si_internal): Support moves between core registers.
1911 2006-11-14 Eric Christopher <echristo@apple.com>
1913 * configure: Regenerate with autoconf 2.59.
1915 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1917 Fix PR tree-optimization/27755
1919 * tree-ssa-pre.c: Update comments.
1920 (bb_bitmap_sets): Add pa_in and deferred member.
1921 (BB_DEFERRED): New macro.
1922 (maximal_set): New variable.
1923 (pre_stats): Add pa_insert member.
1924 (bitmap_set_and): Short circuit orig == dest.
1925 (bitmap_set_subtract_values): New function.
1926 (bitmap_set_contains_expr): Ditto.
1927 (translate_vuses_through_block): Add phiblock argument.
1928 (dependent_clean): New function.
1929 (compute_antic_aux): Update for maximal_set changes.
1930 (compute_partial_antic_aux): New function.
1931 (compute_antic): Handle partial anticipation.
1932 (do_partial_partial_insertion): New function.
1933 (insert_aux): Handle partial anticipation.
1934 (add_to_sets): Add to maximal set.
1935 (compute_avail): Ditto.
1936 (init_pre): Initialize maximal_set.
1937 (execute_pre): Do partial anticipation if -O3+.
1939 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1941 PR rtl-optimization/29798
1943 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1944 TARGET_INSN before any other check.
1945 (fwprop_init): Always calculate dominators.
1946 (fwprop_done): Always free them.
1948 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1950 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1953 2006-11-13 DJ Delorie <dj@redhat.com>
1955 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1956 temporary for intermediates.
1958 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1960 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1961 (sh_optimize_target_register_callee_saved): #if 0 the code
1962 using NOTE_INSN_LOOP_{BEG,END}.
1964 2006-11-13 Roger Sayle <roger@eyesopen.com>
1966 * fold-const.c (optimize_bit_field_compare): Recursively call
1967 fold when simplifying non-constant comparisons between bit-fields.
1969 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1971 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1973 * configure: Rebuilt.
1975 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1977 * config/rs6000/cell.md: New file.
1978 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1980 (ppccell_cost): New cost matrix.
1981 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1982 (rs6000_override_options): Set rs6000_always_hint to false
1983 for cell. Also align functions/lables/loops to 8byte
1984 for the Cell. Use PROCESSOR_CELL.
1985 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1986 using_mtcr_multiple.
1987 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1988 on the Cell, return 0.
1989 (rs6000_adjust_cost): Add Cell cost adjustments.
1990 (is_microcoded_insn): Return true for Cell microcoded
1992 (is_nonpipeline_insn): New function.
1993 (rs6000_issue_rate): Add PROCESSOR_CELL.
1994 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1996 (rs6000_use_sched_lookahead_guard): New function.
1997 (rs6000_sched_reorder): Reorder the ready list, if the second
1998 to last ready insn is a nonepipeline insn on the Cell.
1999 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2000 (ASM_CPU_SPEC): Add Cell.
2001 * config/rs6000/rs6000.md (cpu): Add Cell.
2002 (cell_micro): New Attr.
2005 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2007 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2009 * configure: Rebuilt.
2011 2006-11-13 Richard Guenther <rguenther@suse.de>
2013 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2015 (ix86_expand_lfloorceil): Likewise.
2016 (ix86_expand_rint): Likewise.
2017 (ix86_expand_floorceildf_32): Likewise.
2018 (ix86_expand_floorceil): Likewise.
2019 (ix86_expand_rounddf_32): Likewise.
2020 (ix86_expand_truncdf_32): Likewise.
2021 (ix86_expand_round): Likewise.
2023 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2024 Mark Mitchell <mark@codesourcery.com>
2026 * gcc.c: Organize search path variables into $prefix relative,
2027 and well-known native. Add comments.
2028 (add_sysrooted_prefix): Add comment.
2029 (process_command): If !gcc_exec_prefix add $prefix based paths.
2030 If *cross_compile == '0', add native well-known paths.
2031 Assert tooldir_base_prefix is always relative.
2032 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2033 use this value for 'install:' path.
2034 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2036 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2038 * config/i386/i386.c: Fix a typo in comment.
2040 2006-11-13 Michael Matz <matz@suse.de>
2042 * genemit.c (gen_expand): Allocate enough memory.
2044 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2046 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2047 __GXX_TYPEINFO_EQUALITY_INLINE but not
2048 __GXX_MERGED_TYPEINFO_NAMES.
2049 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2050 __GXX_MERGED_TYPEINFO_NAMES.
2051 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2052 __GXX_TYPEINFO_EQUALITY_INLINE.
2054 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2055 Zdenek Dvorak <dvorakz@suse.cz>
2057 PR tree-optimization/29680
2058 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2061 2006-11-12 Jason Merrill <jason@redhat.com>
2062 Andrew Pinski <pinskia@physics.uc.edu>
2065 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2067 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2069 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2070 * tree.c (build_vector): Handle non-_CST elements.
2072 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2074 * genemit.c (gen_insn): Call gen_exp with a non-null used
2075 when handling multiple insns.
2076 (gen_expand): Likewise.
2077 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2078 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2079 (movsi_const_16bit+1): Copy operands[1].
2080 (call_pcrel): Copy the call_site pattern.
2081 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2083 2006-11-12 Roger Sayle <roger@eyesopen.com>
2085 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2086 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2087 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2088 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2090 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2092 Fix PR tree-optimization/29587
2093 * tree-ssa-structalias.c (process_constraint): Don't
2094 mark address taken due only to escaped vars constraint.
2096 2006-11-12 Michael Matz <matz@suse.de>
2097 Roger Sayle <roger@eyesopen.com>
2099 PR rtl-optimization/29797
2100 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2101 BITS_BIG_ENDIAN targets.
2103 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2105 * builtins.c (fold_builtin_cosh): New.
2106 (fold_builtin_1): Use it.
2107 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2108 trunc to the list of "odd" functions. Also add llrint, lrint,
2109 rint and nearbyint when flag_rounding_math is false.
2111 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2113 * tree-flow.h (name_mappings_registered_p): Declare.
2114 * tree-into-ssa.c (name_mappings_registered_p): New function.
2115 * tree-cfg.c (tree_can_merge_blocks_p): Check
2116 name_mappings_registered_p instead of need_ssa_update_p.
2118 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2120 * tree-ssa-loop.c (tree_vectorize): Return the result of
2122 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2123 if anything changed.
2124 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2125 * tree-flow.h (vectorize_loops): Declaration changed.
2127 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2129 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2131 (issue_prefetch_ref): Move assignment to write_p out of loop.
2132 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2133 SIMULTANEOUS_PREFETCHES into account.
2134 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2135 * lambda-code.c (lcm): Renamed to ...
2136 (least_common_multiple): ... and exported.
2137 * tree-flow.h (least_common_multiple): Declare.
2139 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2141 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2142 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2143 ud-chains. Handle AND_EXPR.
2144 (record_estimate): Record whether the estimate is realistic
2145 and whether it is derived from a loop exit.
2146 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2147 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2149 (compute_estimated_nb_iterations): Take only realistic bounds into
2150 account. Set estimate_state. Use double_ints.
2151 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2152 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2153 that do not have to be always executed.
2154 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2155 to determine whether to call infer_loop_bounds_from_undefined
2156 and compute_estimated_nb_iterations.
2157 (n_of_executions_at_most): Use double_ints.
2158 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2159 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2160 * double-int.c (double_int_to_tree): Improve comment.
2161 (double_int_fits_to_tree_p): New function.
2162 * double-int.h (double_int_fits_to_tree_p): Declare.
2163 * tree-data-ref.c: Include langhooks.h.
2164 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2165 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2166 (analyze_array): Do not pass estimate_only argument to
2167 analyze_array_indexes.
2168 (get_number_of_iters_for_loop): Build tree from the stored double_int
2170 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2171 (find_data_references_in_loop): Use find_data_references_in_stmt.
2172 * tree-data-ref.h (struct data_ref_loc_d): New.
2173 (get_references_in_stmt): Declare.
2174 (estimate_iters_using_array): Declaration removed.
2175 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2176 double_int. Improve comments. Add is_exit and realistic
2178 (struct loop): Changed type of estimated_nb_iterations to double_int.
2179 Added estimate_state field.
2180 (record_estimate): Declaration removed.
2182 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2184 * params.c (set_param_value): Initialize the "set" field.
2185 * params.h (struct param_info): Add "set" field.
2186 (PARAM_SET_P): New macro.
2187 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2188 L1_CACHE_LINE_SIZE): New macros.
2189 * toplev.c (DEFPARAM): Initialize the "set" field.
2190 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2191 SIMULTANEOUS_PREFETCHES): Removed.
2192 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2193 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2194 * config/sparc/sparc.c: Include params.h.
2195 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2196 L1_CACHE_LINE_SIZE parameters.
2197 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2199 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2201 * config/i386/i386.c: Include params.h.
2202 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2203 (override_options): Set SIMULTANEOUS_PREFETCHES and
2204 L1_CACHE_LINE_SIZE parameters.
2205 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2206 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2207 L1_CACHE_LINE_SIZE parameters.
2208 * config/ia64/ia64.c (ia64_optimization_options): Set
2209 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2210 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2212 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2213 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2214 * doc/invoke.texi: Document new params.
2216 2006-11-12 Roger Sayle <roger@eyesopen.com>
2218 PR tree-optimization/13827
2219 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2222 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2224 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2225 update_single_exit_for_duplicated_loops): New functions.
2226 (duplicate_loop_to_header_edge): Use
2227 update_single_exit_for_duplicated_loops.
2228 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2229 functions only with ENABLE_CHECKING.
2231 2006-11-12 Andreas Schwab <schwab@suse.de>
2233 * except.c (sjlj_emit_function_enter): Remove unused variable.
2235 2006-11-11 Roger Sayle <roger@eyesopen.com>
2237 * fold-const.c (int_binop_types_match_p): New function.
2238 (size_binop): Relax constraint that both arguments must both have
2239 exactly the same sizetype type. Instead use int_binop_types_match_p.
2240 (size_diffop): Likewise.
2242 (make_range): Use build_int_cst instead of fold_convert.
2243 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2244 integer constants of the correct type.
2245 (fold_div_compare): Likewise.
2246 (fold_single_bit_test): Likewise.
2247 (fold_binary): Likewise.
2248 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2249 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2251 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2254 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2255 non null value if the struct memory access is in the 0th
2258 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2261 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2262 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2265 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2266 instead of builtin_define for bfin and BFIN.
2268 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2270 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2273 2006-11-11 Jan Hubicka <jh@suse.cz>
2275 * extend.texi (__builtin_expect): We no longer require second argument
2277 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2278 * builtins.c (expand_builtin_expect): Simplify.
2279 (expand_builtin_expect_jump): Kill.
2280 * final.c (final_scan_insn): Do not skip the removed notes.
2281 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2282 EXPECTED_VALUE): Remove.
2283 * dojump.c (do_jump): Do not care about __builtin_expect.
2284 * predict.c (expected_value_to_br_prob): Kill.
2285 * function.c (expand_function_end): Do not expand
2286 NOTE_INSN_REPEATED_LINE_NUMBER.
2287 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2288 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2289 * cfgexpand.c (add_reg_br_prob_note): Export.
2290 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2291 expected_value_to_br_prob.
2292 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2293 * rtl.h (add_reg_br_prob_note): Declare.
2295 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2297 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2299 2006-11-11 Jan Hubicka <jh@suse.cz>
2301 * predict.c (predict_loops): Kill RTL variant.
2303 2006-11-11 Jan Hubicka <jh@suse.cz>
2305 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2306 * modulo-sched.c (find_line_note): Remove.
2307 (loop_canon_p): Do not worry about line number notes.
2308 (sms_schedule): Likewise.
2309 * cse.c (cse_main): Likewise.
2310 * regmove.c (fixup_match_1): Likewise
2311 * function.c (emit_return_info_block): Likewise.
2312 (expand_function_end): Likewise.
2313 (thread_prologue_an_epilogue_insns): Likewise.
2314 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2316 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2317 emit_note_copy_after): Kill.
2318 (emit_note_copy): Do not worry about line numbers.
2319 * jump.c (purge_line_number_notes): Kill.
2320 (pass_purge_lineno_notes): Kill.
2321 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2323 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2324 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2325 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2326 * tree-pass.h (pass_purge_lineno_notes): Kill.
2327 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2328 rm_redundant_line_notes.
2329 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2330 rm_redundant_line_notes.
2331 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2332 * haifa-sched.c: Update comment about handling notes.
2333 (unlink_line_notes): Kill.
2334 (rm_line_notes): Kill.
2335 (save_line_notes): Simplify.
2336 (rm_redundant_line_notes): Kill.
2338 2006-11-11 Richard Guenther <rguenther@suse.de>
2340 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2341 Remove unused tree codes.
2342 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2343 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2344 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2345 * tree.c (stabilize_reference): Likewise.
2346 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2347 fold_unary): Likewise.
2348 * tree-gimple.c (is_gimple_cast): Likewise.
2349 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2350 * expr.c (expand_expr_real_1): Likewise.
2351 * tree-eh.c (tree_could_trap_p): Likewise.
2352 * gimplify.c (gimplify_expr): Likewise.
2353 * tree-inline.c (estimate_num_insns_1): Likewise.
2354 * tree-cfg.c (verify_expr): Likewise.
2356 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2358 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2359 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2360 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2362 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2365 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2366 constraints accept neither registers or memories.
2368 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2370 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2371 (NO_PROFILE_COUNTERS): Define as 1.
2373 2006-11-10 Roger Sayle <roger@eyesopen.com>
2375 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2376 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2378 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2380 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2382 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2384 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2385 (fold_builtin_hypot): Likewise.
2386 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2388 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2390 2006-11-10 Roger Sayle <roger@eyesopen.com>
2392 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2393 when attempting to build INTEGER_CSTs of non-integral types.
2394 * expmed.c (make_tree): Use the correct type, i.e. the inner
2395 type, when constructing the individual elements of a CONST_VECTOR.
2397 2006-11-10 Jan Hubicka <jh@suse.cz>
2399 * cse.c (cse_process_notes): Copy the propagated value.
2400 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2402 * gcse.c (try_replace_reg): Copy the replacement.
2403 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2404 (assign_386_stack_local): Always return copied memory expression
2405 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2408 2006-11-10 Jan Hubicka <jh@suse.cz>
2410 * final.c (final): Walk from first instruction.
2411 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2413 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2416 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2418 (umulv8hi3_highpart): Ditto.
2419 (vec_widen_smult_hi_v8hi): New expander.
2420 (vec_widen_smult_lo_v8hi): Ditto.
2422 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2425 * builtins.c (do_mpfr_arg3): New.
2426 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2428 2006-11-09 Eric Christopher <echristo@apple.com>
2433 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2434 * config.gcc (powerpc64-*-darwin*): New target.
2435 * config.host: Ditto.
2436 * config/rs6000/darwin64.h: New file.
2437 * config/rs6000/x-darwin64: Ditto.
2438 * config/rs6000/host-ppc64-darwin.c: Ditto.
2440 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2442 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2443 routines for integer division.
2445 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2447 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2449 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2452 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2454 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2456 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2457 simplify_subreg with BLKmode outer mode.
2459 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2461 * doc/invoke.texi: Minor formatting fixes in option lists.
2463 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2465 PR tree-optimization/29738
2466 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2467 (ccp_lattice_t): Remove UNKNOWN_VAL.
2468 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2469 Do not handle UNKNOWN_VAL.
2470 (get_default_value): Set initial value of virtual operands to
2472 (get_value): Always use get_default_value on uninitialized
2474 (set_value_varying, surely_varying_stmt_p): New functions.
2475 (set_lattice_value): Do not pass argument to get_value.
2476 Do not handle UNKNOWN_VAL.
2477 (likely_value): Follow the semantics described in the comment.
2478 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2479 phi nodes DONT_SIMULATE_AGAIN.
2480 (ccp_fold): Do not pass argument to get_value.
2481 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2484 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2486 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2487 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2489 2006-11-08 Roger Sayle <roger@eyesopen.com>
2491 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2492 test for inclusion rather than as a test for exclusion.
2493 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2494 the condition after calling fold_binary.
2495 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2496 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2497 * builtins.c (fold_builtin_isascii): Likewise.
2498 (fold_builtin_isdigit): Likewise.
2500 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2502 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2503 * configure: Regenerate.
2505 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2507 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2508 enum argument instead of bool.
2509 (vect_analyze_operations): Call vectorizable_type_promotion.
2510 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2511 stmt_vec_info_type value.
2512 (supportable_widening_operation, vectorizable_type_promotion): New
2513 function declarations.
2514 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2515 (vectorizable_type_promotion): New function.
2516 (vect_transform_stmt): Call vectorizable_type_promotion.
2517 * tree-vect-analyze.c (supportable_widening_operation): New function.
2518 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2520 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2523 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2524 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2525 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2527 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2528 * expr.c (expand_expr_real_1): Likewise.
2529 * optabs.c (optab_for_tree_code): Likewise.
2530 (init_optabs): Initialize new optabs.
2531 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2532 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2533 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2534 vec_unpacku_lo_optab): Initialize new optabs.
2535 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2536 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2537 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2539 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2540 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2541 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2542 (vec_unpacku_lo_optab): New optabs.
2543 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2544 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2545 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2546 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2547 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2548 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2550 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2551 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2552 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2553 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2554 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2555 implement the unsigned unpacking patterns.
2556 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2557 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2558 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2559 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2560 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2561 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2562 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2563 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2564 multiplication patterns.
2566 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2567 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2568 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2569 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2570 (rs6000_builtin_mul_widen_odd): New.
2571 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2572 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2573 * tree-vectorizer.h (enum vect_relevant): New enum type.
2574 (_stmt_vec_info): Field relevant chaned from bool to enum
2576 (STMT_VINFO_RELEVANT_P): Updated.
2577 (STMT_VINFO_RELEVANT): New.
2578 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2579 instead of STMT_VINFO_RELEVANT_P.
2580 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2581 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2582 and boolean variable with enum vect_relevant.
2583 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2584 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2585 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2587 2006-11-08 Richard Henderson <rth@redhat.com>
2589 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2590 vec_widen_umult_lo_v8hi): New.
2591 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2592 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2594 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2595 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2596 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2597 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2598 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2599 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2600 vec_unpacks_lo_v4si): New.
2602 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2604 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2605 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2606 (vect_analyze_operations): Call vectorizable_type_demotion.
2607 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2608 stmt_vec_info_type value.
2609 (vectorizable_type_demotion): New function declaration.
2610 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2613 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2614 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2616 * tree-iniline.c (estimate_num_insns_1): Likewise.
2617 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2618 * optabs.c (optab_for_tree_code): Likewise.
2620 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2621 compared against the predicate of the result is not 'mode' (the input
2622 to the function) but a mode with half the size of 'mode'.
2623 (init_optab): Initialize new optabs.
2624 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2626 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2628 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2629 (vec_pack_usat_optab): Initialize new optabs.
2630 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2631 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2633 2006-11-08 Richard Henderson <rth@redehat.com>
2635 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2636 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2637 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2638 (vec_interleave_highv4si, vec_interleave_lowv4si):
2639 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2641 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2643 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2645 (vect_transform_stmt): Removed redundant code.
2647 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2649 * tree-vect-transform.c (vectorizable_operation): Support multiple
2652 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2654 * tree-vect-transform.c (vect_align_data_ref): Removed.
2655 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2656 Updated function documentation. Return the increment stmt in ptr_incr.
2657 (bump_vector_ptr): New function.
2658 (vect_get_vec_def_for_stmt_copy): New function.
2659 (vect_finish_stmt_generation): Create a stmt_info to newly created
2661 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2663 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2664 VF is greater than the number of elements that can fit in one vector
2666 (vectorizable_operation, vectorizable_condition): Likewise.
2667 (vectorizable_store, vectorizable_load): Support the case that the VF
2668 is greater than the number of elements that can fit in one vector word.
2669 (vect_transform_loop): Don't fail in case of multiple data-types.
2670 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2671 in case of multiple data-types; the smallest type determines the VF.
2672 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2673 if they are of different sizes.
2674 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2675 number of elements rather than number of bytes.
2676 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2677 (vect_can_advance_ivs_p): Fix a dump printout
2679 2006-11-07 Eric Christopher <echristo@apple.com>
2681 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2682 (__bswapsi2): Ditto.
2683 * libgcc2.h: Remove transformation of bswap routines.
2684 * config/i386/i386.md (bswapsi2): New.
2687 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2689 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2690 (handle_gnu_inline_attribute): New function.
2691 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2692 (merge_decls, start_decl, start_function): Likewise.
2693 * doc/extend.texi: Document gnu_inline attribute.
2695 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2698 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2699 _fixunstfdi, and _floatditf
2701 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2703 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2705 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2706 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2707 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2708 which start in an odd register.
2710 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2712 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2714 2006-11-07 Josh Conner <jconner@apple.com>
2716 * doc/invoke.texi (fstrict-aliasing): Move implementation
2718 * doc/tree-ssa.texi (Alias analysis): ...here.
2720 2006-11-07 Richard Guenther <rguenther@suse.de>
2722 PR tree-optimization/29610
2723 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2724 of tree_purge_dead_eh_edges as it may free dominators.
2726 * g++.dg/other/pr29610.C: New testcase.
2728 2006-11-07 David Ung <davidu@mips.com>
2730 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2731 costs when optimizing for size.
2732 (override_options): Use mips_rtx_cost_optimize_size table for cost
2735 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2737 * gcc.c (process_command): Treat -b as normal switch if its argument
2740 2006-11-07 David Ung <davidu@mips.com>
2742 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2745 2006-11-06 Eric Christopher <echristo@apple.com>
2747 * config.gcc: Add x86_64-darwin host support.
2748 * config.host: Ditto.
2749 * config/i386/darwin64.h: New file.
2750 * config/i386/t-darwin64: Ditto.
2752 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2754 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2755 and output-exists-not.
2757 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2760 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2761 checking for overflow.
2763 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2765 * configure.ac: Fixed typo in case statement: :: changed to ;;
2767 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2769 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2770 count_leading_zeros, and count_trailing_zeros.
2771 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2772 (TARGET_FOLD_BUILTIN): Define.
2773 (TARGET_EXPAND_BUILTIN): Define.
2774 (xtensa_init_builtins): New.
2775 (xtensa_fold_builtin): New.
2776 (xtensa_expand_builtin): New.
2777 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2778 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2779 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2780 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2781 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2782 (any_extend): New code macro.
2783 (u, su): New code attributes.
2784 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2785 (nsau): Remove; replaced by clzsi2.
2786 (ffssi2): Use clzsi2.
2787 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2788 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2789 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2790 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2791 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2793 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2795 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2797 * config/arm/t-strongarm-elf: Likewise.
2798 * config/arm/t-pe: Likewise.
2799 * config/arm/t-arm-elf: Likewise.
2800 * config/arm/t-xscale-elf: Likewise.
2801 * config/arm/t-arm-coff: Likewise.
2802 * config/arm/t-xscale-coff: Likewise.
2803 * config/arm/t-wince-pe: Likewise.
2805 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2807 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2810 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2813 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2816 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2819 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2820 as a valid 80387 constant.
2821 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2822 * config/i386/i386.md (unnamed splitter): Split the load of
2823 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2826 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2828 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2829 from the soft-frame, argument and virtual registers.
2831 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2833 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2834 patterns for standard 80387 constants.
2836 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2837 Steven Bosscher <steven@gcc.gnu.org>
2839 * fwprop.c: New file.
2840 * Makefile.in: Add fwprop.o.
2841 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2842 * passes.c (init_optimization_passes): Schedule forward propagation.
2843 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2845 * timevar.def (TV_FWPROP): New.
2846 * common.opt (-fforward-propagate): New.
2847 * opts.c (decode_options): Enable forward propagation at -O2.
2848 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2849 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2850 canon_for_address, table_size): Remove.
2851 (new_basic_block, insert, remove_from_table): Remove references to
2853 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2854 simplification loop more straightforward by not calling fold_rtx
2856 (equiv_constant): Move here a small part of fold_rtx_subreg,
2857 do not call fold_rtx. Call avoid_constant_pool_reference
2859 * recog.h (canonicalize_change_group): New.
2861 * doc/invoke.texi (Optimization Options): Document fwprop.
2862 * doc/passes.texi (RTL passes): Document fwprop.
2864 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2866 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2867 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2868 (grokdeclarator): Likewise.
2870 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2872 * tree-dump.c (dump_enable_all): Rename local variable
2873 ir_type to avoid name conflicts.
2874 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2875 instead of using ir_type().
2876 * profile.c (tree_register_profile_hooks): Likewise.
2877 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2878 * basic-block.h (struct edge_def): Likewise.
2879 * config/arm/arm.c (legitimize_pic_address): Likewise.
2880 * coretypes.h (ir_type): New enum of all intermediate languages
2882 * cfghooks.c (ir_type): Rename to...
2883 (current_ir_type): ...this. Distinguish between cfgrtl and
2884 cfglayout mode when the current IR is RTL. Return enum ir_type.
2885 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2887 2006-11-03 Paul Brook <paul@codesourcery.com>
2889 * config/arm/arm.c (arm_file_start): New function.
2890 (TARGET_ASM_FILE_START): Define.
2891 (arm_default_cpu): New variable.
2892 (arm_override_options): Set arm_default_cpu.
2894 2006-11-03 David Ung <davidu@mips.com>
2896 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2897 PROCESSOR_24KC and PROCESSOR_24KF.
2898 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2899 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2900 (mips_rtx_cost_data): Add costs for the 24kc.
2901 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2902 * config/mips/24k.md: Remove references to 24k and replace with
2903 uses of 24kc/24kf in the appropriate reservations.
2904 * doc/invoke.texi (MIPS Options): Updated.
2906 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2908 * config/sh/crt1.asm: Fix #ifdef indent.
2910 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2911 Merged from STMicroelectronics sources:
2912 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2913 * config/sh/crt1.asm (vbr_600): Add missing #if.
2914 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2915 * sh.opt (mfused-madd): New option.
2916 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2917 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2918 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2919 Remove pointless handler at VBR+0.
2920 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2921 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2922 fr7. Make sure the timer handler is called with the correct FPU
2923 precision setting, according to the ABI.
2924 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2925 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2926 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2927 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2928 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2929 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2930 zero as second operand.
2931 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2932 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2933 Fixed some bugs related to negative values, in particular -0
2934 and overflow at -0x80000000.
2935 * config/sh/divcost-analysis: Added sh4-300 figures.
2936 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2937 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2938 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2939 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2940 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2941 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2943 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2945 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2946 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2947 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2948 mac_mem, mem_mac, dfp_mul, fp_cmp.
2949 (insn_class, dfp_comp, any_fp_comp): Update.
2950 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2951 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2952 (muldf3_i): Likewise.
2953 (movsi_i): Split rI08 alternative into two separate alternatives.
2955 (movsi_ie, movsi_i_lowpart): Likewise.
2956 (movqi_i): Split ri alternative into two separate alternatives.
2958 * sh1.md (sh1_load_store, sh1_fp): Update.
2959 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2960 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2961 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2962 (sh4a_fp_double_arith): Likewise.
2963 * sh4-300.md: New file.
2964 * sh.c (sh_handle_option): Handle m4-300* options.
2965 (sh_adjust_cost): Fix latency of auto-increments.
2966 Handle SH4-300 differently than other SH4s. Check for new insn types.
2967 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2968 been set by an option.
2969 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2970 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2971 (mbranch-cost=): Likewise.
2972 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2974 * sh.md (mulsf3): Remove special expansion code.
2975 (mulsf3_ie): Now a define_insn_and_split.
2976 (macsf3): Allow for TARGET_SH4.
2978 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2979 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2980 (expand_cbranchdi4): Likewise.
2981 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2982 CONST_DOUBLE if the outer code is COMPARE.
2983 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2984 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2985 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2986 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2987 Remove redundant fp_{zero,one}_operand checks.
2988 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2989 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2990 (expand_cbranchdi4): Likewise.
2991 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2992 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2994 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2996 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2999 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3001 * doc/invoke.texi: Fix mfp-trap-mode typo.
3003 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3005 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3006 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3007 file_end_indicate_exec_stack.
3008 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3010 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3011 for a non-executable stack.
3012 * crti.asm: Likewise.
3013 * crtn.asm: Likewise.
3014 * libunwind.S: Likewise.
3016 2006-11-02 Ben Elliston <bje@au.ibm.com>
3018 * tree-ssa.c (warn_uninit): Use expand_location variables for
3019 locus and declaration locus.
3021 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3024 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3025 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3026 cmp{eq,gt,gtu}{si,di}_media.
3027 (*cmpne0si_media): Remove.
3028 (*movsicc_umin): Adjust gen_cmp*_media call.
3029 (unordered): Change the mode of unordered and operands[1] to
3031 (seq): Adjust gen_cmp*_media calls. Make the mode of
3032 a temporary result of compare SImode if needed. If the mode
3033 of operands[0] is DImode, extend the temporary result to DImode.
3034 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3035 (sunorderd): Change the mode of match_operand and unorderd to
3037 (cmpeq{sf,df}_media): Remove.
3038 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3039 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3040 and compare operation to SImode.
3042 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3044 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3046 (sparc64-sun-solaris2*): Likewise.
3048 2006-11-02 Paul Brook <paul@codesourcery.com>
3050 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3051 from priority argument. Use different section for non-default
3053 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3055 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3058 * except.c (switch_to_exception_section): Do not cache the section
3059 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3060 and flag_function_sections is set.
3062 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3065 * builtins.c (do_mpfr_sincos): New.
3066 (fold_builtin_1): Use it to fold builtin sincos.
3068 2006-11-01 Roger Sayle <roger@eyesopen.com>
3070 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3071 it into -D_REENTRANT.
3073 2006-11-01 Roger Sayle <roger@eyesopen.com>
3075 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3076 whether the assembler supports taking the difference of symbols in
3077 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3078 * configure: Regenerate.
3079 * config.in: Regenerate.
3080 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3081 the assembler doesn't support taking the difference of symbols in
3082 different sections, i.e. we're using the native solaris assembler.
3084 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3085 Peter Bergner <bergner@vnet.ibm.com>
3087 * doc/invoke.texi: Add cpu_type power6x
3088 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3089 * config.gcc: Add cpu_type power6x.
3090 * configure.ac: Add test for mf{t,f}gpr instructions.
3091 (HAVE_AS_MFPGPR): New.
3092 * config.in: Regenerate.
3093 * configure: Regenerate.
3094 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3095 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3096 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3097 and mftgpr attributes.
3098 (define_attr "cpu"): Add power6.
3099 Change instruction sequences to use new attributes.
3100 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3101 (fix_truncdfsi2_mfpgpr): New.
3102 (floatsidf_ppc64_mfpgpr): New.
3103 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3104 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3105 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3106 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3107 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3108 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3109 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3110 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3111 cntlz,exts and var_delayed_compare.
3112 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3113 _ARCH_PWR6X, if features enabled.
3114 * config/rs6000/rs6000.opt (mmfpgpr): New.
3115 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3116 (cached_can_issue_more): New variable.
3117 (processor_costs): Add power6_cost.
3118 (rs6000_sched_init): New function.
3119 (is_dispatch_slot_restricted): Deleted.
3120 (set_to_load_agen): New function.
3121 (is_load_insn,is_store_insn): New functions.
3122 (adjacent_mem_locations): New function.
3123 (insn_must_be_first_in_group): New function.
3124 (insn_must_be_last_in_group): New function.
3125 (rs6000_sched_reorder): New function.
3126 (rs6000_sched_reorder2): New function.
3127 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3128 TARGET_SCHED_REORDER2): Define.
3129 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3130 Add power6x. Add MASK_MFPGPR for power6x.
3131 (POWERPC_MASKS): Add MASK_MFPGPR.
3132 (rs6000_override_options): Set rs6000_always_hint to false
3133 for power6. Set rs6000_align_branch_targets. Replace
3134 rs6000_sched_groups check with rs6000_align_branch_targets.
3135 Use PROCESSOR_POWER6.
3136 (last_scheduled_insn): New variable.
3137 (load_store_pendulum): New variable.
3138 (rs6000_variable_issue): Set last_scheduled_insn and
3139 cached_can_issue_more.
3140 (rs6000_adjust_cost): Add power6 cost adjustments.
3141 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3142 with insn_must_be_first_in_group. Add power6 priority adjustments.
3143 (rs6000_issue_rate): Add CPU_POWER6.
3144 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3145 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3146 (TARGET_MFPGPR): New.
3147 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3148 (ASM_CPU_SPEC): Add power6x.
3149 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3151 * config/rs6000/power6.md: New file.
3153 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3155 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3156 HOST_WIDE_INT_PRINT to print high and low parts. Use
3157 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3158 printing a hexadecimal number prefix it with 0x.
3160 2006-11-01 Chris Johns <chris@contemporary.net.au>
3163 * Makefile.in (install-driver): Use exeext when installing
3164 $target-gcc-$version.
3166 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3168 * c-common.c (flag_cpp0x): New.
3169 * c-common.h (flag_cpp0x): New.
3170 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3171 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3172 * c-opts.c (set_std_cxx0x): New.
3173 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3174 * c.opt (std=c++0x): Document.
3175 (std=gnu++0x): Ditto.
3176 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3177 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3179 2006-11-01 Richard Guenther <rguenther@suse.de>
3181 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3183 (ix86_expand_floorceildf_32): Likewise.
3184 (ix86_expand_floorceil): Likewise.
3185 (ix86_expand_trunc): Likewise.
3187 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3189 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3192 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3194 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3196 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3198 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3200 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3201 * configure.ac (use_cxa_atexit): As a special case, don't test
3202 for libc definition of __cxa_atexit on mingw32
3203 * configure: Regenerate.
3204 * config.gcc (i[34567]86-pc-mingw32): Default to
3205 enable__cxa_atexit=yes.
3207 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3209 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3211 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3214 * c-decl.c (start_struct): Don't create self-containing
3216 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3218 * config/rs6000/rs6000-protos.h
3219 (darwin_rs6000_special_round_type_align): New.
3220 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3221 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3223 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3225 * toplev.c (compile_file): Call final_write_globals
3226 even if there have been errors.
3228 2006-10-31 Eric Christopher <echristo@apple.com>
3229 Falk Hueffner <falk@debian.org>
3231 * doc/extend.texi (__builtin_bswap32): Document.
3232 (__builtin_bswap64): Ditto.
3233 * doc/libgcc.texi (bswapsi2): Document.
3235 * doc/rtl.texi (bswap): Document.
3236 * optabs.c (expand_unop): Don't widen a bswap.
3237 (init_optabs): Init bswap. Set libfuncs explicitly
3238 for bswapsi2 and bswapdi2.
3239 * optabs.h (OTI_bswap): New.
3240 (bswap_optab): Ditto.
3241 * genopinit.c (optabs): Handle bswap_optab.
3242 * tree.h (tree_index): Add TI_UINT32_TYPE and
3244 (uint32_type_node): New.
3245 (uint64_type_node): Ditto.
3246 * tree.c (build_common_tree_nodes_2): Initialize
3247 uint32_type_node and uint64_type_node.
3248 * builtins.c (expand_builtin_bswap): New.
3249 (expand_builtin): Call.
3250 (fold_builtin_bswap): New.
3251 (fold_builtin_1): Call.
3252 * fold-const.c (tree_expr_nonnegative_p): Return true
3254 * builtin-types.def (BT_UINT32): New.
3256 (BT_FN_UINT32_UINT32): Ditto.
3257 (BT_FN_UINT64_UINT64): Ditto.
3258 * builtins.def (BUILT_IN_BSWAP32): New.
3259 (BUILT_IN_BSWAP64): Ditto.
3260 * rtl.def (BSWAP): New.
3261 * genattrtab.c (check_attr_value): New.
3262 * libgcc2.c (__bswapSI2): New.
3263 (__bswapDI2): Ditto.
3264 * libgcc2.h (__bswapSI2): Declare.
3265 (__bswapDI2): Ditto.
3266 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3267 * simplify-rtx.c (simplify_const_unary_operation): Return
3269 * libgcc-std.ver (__bwapsi2): Add.
3270 (__bswapdi2): Ditto.
3271 * reload1.c (eliminate_regs_1): Add bswap.
3272 (elimination_effects): Ditto.
3273 * config/i386/i386.h (x86_bswap): New.
3274 (TARGET_BSWAP): Use.
3275 * config/i386/i386.c (x86_bswap): Set.
3277 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3279 * coverage.c (coverage_checksum_string): Update comment.
3280 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3281 of get_file_function_name.
3282 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3283 of get_file_function_name_long.
3284 * tree.c (get_file_function_name): Rename from
3285 get_file_function_name_long; improve comment; handle 'I' and 'D'
3286 specially when the target has ctor/dtor support; remove special
3288 (get_file_function_name): Remove.
3289 * tree.h (get_file_function_name): Rename from
3290 get_file_function_name_long.
3291 (get_file_function_name): Remove prototype.
3293 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3295 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3296 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3298 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3299 Call dsymutil when compiling and linking one or more source files
3302 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3305 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3307 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3309 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3310 inline static functions in c99 mode.
3313 * doc/extend.texi (Inline): Update.
3314 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3315 * c-decl.c (current_extern_inline): Delete.
3316 (pop_scope): Adjust test for an undefined nested function.
3317 Add warning about undeclared inline function.
3318 (diagnose_mismatched_decls): Update comments. Disallow overriding
3319 of inline functions in a translation unit in C99. Allow inline
3320 declarations in C99 at any time.
3321 (merge_decls): Boolize variables. Handle C99 'extern inline'
3323 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3324 C99 inline semantics.
3325 (start_function): Don't clear current_extern_inline. Don't set
3327 (c_push_function_context): Don't push current_extern_inline.
3328 (c_pop_function_context): Don't restore current_extern_inline.
3331 * c-typeck.c (build_external_ref): Warn about static variables
3332 used in extern inline functions.
3333 * c-decl.c (start_decl): Warn about static variables declared
3334 in extern inline functions.
3336 2006-10-31 Roger Sayle <roger@eyesopen.com>
3339 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3340 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3341 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3342 or y is an even integer.
3344 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3347 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3348 * gthr-posix95.h (__gthread_active_p): Likewise.
3350 2006-10-31 Richard Guenther <rguenther@suse.de>
3352 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3353 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3354 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3355 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3356 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3357 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3358 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3359 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3362 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3364 * opts.c (decode_options): Disable CSE skip blocks.
3366 2006-10-30 Dirk Mueller <dmueller@suse.de>
3368 * c-common.h (strict_aliasing_warning): Fix whitespace.
3369 * c-decl (start_function): Move code for main decl warning ..
3370 * c-common.c (check_main_parameter_types): .. here.
3371 * c-common.h (check_main_parameter_types): Declare.
3373 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3376 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3378 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3380 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3381 be a PARALLEL containing sets. Return false when out_pat is not
3384 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3386 * config/mips/mips.md (mul<mode>3): Split into...
3387 (mulsi3, muldi3): ...these separate patterns.
3389 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3391 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3392 but with each set of options separated by spaces.
3394 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3396 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3397 dwarf_reg_size_table has been initialized.
3399 2006-10-30 Roger Sayle <roger@eyesopen.com>
3401 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3402 * ddg.c (print_ddg_edge): Likewise.
3403 * dwarf2out.c (prune_unused_types_walk): Likewise.
3404 * ifcvt.c (noce_try_cmove_arith): Likewise.
3405 * langhooks.c (add_builtin_function): Likewise.
3406 * reg-stack.c (subst_stack_regs_pat): Likewise.
3407 * tree.c (expanded_location): Likewise.
3408 * tree-dump.c (dequeue_and_dump): Likewise.
3410 2006-10-30 David Daney <ddaney@avtrex.com>
3412 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3414 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3416 PR tree-optimization/29637
3417 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3418 of the innertype is the innertype itself.
3420 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3422 * dwarf2out.c (file_name_acquire): Correct typo.
3424 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3426 * tree.h (tree_value_handle): Remove struct value_set declaration.
3427 Change value_set to bitmap_set.
3428 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3429 * tree-vn.c (get_value_handle): Made inline and moved to
3431 * tree-flow-inline.h: (has_stmt_ann): New function.
3432 * tree-ssa-pre.c (expressions): New variable.
3433 (next_expression_id): Ditto.
3434 (alloc_expression_id): New function.
3435 (struct value_set): Remove.
3436 (get_expression_id): New function.
3437 (get_or_alloc_expression_id): Ditto.
3438 (expression_for_id): Ditto.
3439 (clear_expression_ids): Ditto.
3440 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3441 (bb_value_sets): Renamed to bb_bitmap_sets.
3442 All value sets replaced with bitmap_sets.
3444 (BB_VISITED): New macro.
3445 (postorder): New variable.
3446 (add_to_value): Removed.
3447 (value_exists_in_set_bitmap): Ditto.
3448 (value_insert_into_set_bitmap): Ditto.
3451 (set_remove): Ditto.
3452 (set_contains_value): Ditto.
3453 (insert_into_set): Ditto.
3455 (find_leader): Ditto.
3456 (bitmap_set_subtract_from_value_set): Ditto.
3457 (value_insert_into_set): Ditto.
3458 (print_value_set): Ditto.
3459 (debug_value_set): Ditto.
3460 (constant_expr_p): New function.
3461 (bitmap_remove_from_set): Ditto.
3462 (bitmap_insert_into_set): Ditto.
3463 (bitmap_set_free): Ditto.
3464 (vh_compare): Ditto.
3465 (sorted_array_from_bitmap_set): Ditto.
3466 (bitmap_set_subtract): Ditto.
3467 (bitmap_set_equal): Ditto.
3468 (debug_bitmap_set): Ditto.
3469 (find_leader_in_sets): Ditto.
3470 (bitmap_set_replace_value): Modify for bitmapped sets.
3471 (phi_translate): Ditto.
3472 (phi_translate_set): Ditto.
3473 (bitmap_find_leader): Ditto.
3474 (valid_in_sets): Ditto.
3475 (union_contains_value): Ditto.
3477 (compute_antic_aux): Ditto. Mark changed blocks.
3478 (compute_antic): Ditto. Iterate in postorder and only over
3480 (compute_rvuse_and_antic_safe): Reuse postorder.
3481 (create_component_ref_by_pieces): Modify for bitmapped sets.
3482 (find_or_generate_expression): Ditto.
3483 (create_expression_by_pieces): Ditto.
3484 (insert_into_preds_of_block): Ditto.
3485 (changed_blocks): New variable.
3486 (do_regular_insertion): Broken out from insert_aux.
3487 (insert_aux): Modified for bitmapped sets.
3488 (find_existing_value_expr): New function.
3489 (create_value_expr_from): Use it.
3490 (insert_extra_phis): Removed.
3491 (print_bitmap_set): Renamed from bitmap_print_value_set.
3492 (compute_avail): Handle RETURN_EXPR.
3493 (init_pre): Modify for bitmapped sets.
3494 * tree-flow.h (has_stmt_ann): New function.
3496 2006-10-29 Roger Sayle <roger@eyesopen.com>
3498 * builtins.c (fold_builtin_floor): Check for the availability of
3499 the C99 trunc function before transforming floor into trunc.
3501 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3503 * builtins.c (fold_builtin_hypot): Rearrange recursive
3504 transformation before others, and also do ABS_EXPR. When
3505 necessary, check flag_unsafe_math_optimizations. When necessary,
3508 2006-10-29 Roger Sayle <roger@eyesopen.com>
3510 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3511 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3512 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3513 Fold -X eq/ne -Y as X eq/ne Y.
3515 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3517 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3518 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3519 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3520 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3521 Use an inclusive test for "mult" rather than "mul".
3522 (rotr<mode>3): Depend on ISA_HAS_ROR.
3523 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3525 (GENERATE_MULT3_DI): Delete.
3526 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3527 (ISA_HAS_MUL3): New macro.
3528 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3529 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3530 (ISA_HAS_CLZ_CLO): Likewise.
3531 (ISA_HAS_DCLZ_DCLO): Delete.
3532 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3533 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3534 the VR4120 and VR4130.
3535 (ISA_HAS_MACCHI): Use consistent formatting.
3536 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3537 (ISA_HAS_ROR): ...this new macro.
3538 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3539 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3540 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3542 2006-10-29 Roger Sayle <roger@eyesopen.com>
3544 PR tree-optimization/15458
3545 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3548 2006-10-29 Richard Guenther <rguenther@suse.de>
3550 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3551 (ix86_expand_truncdf_32): Likewise.
3552 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3553 trunc inline for SSE math and -fno-trapping-math and if not
3554 optimizing for size.
3555 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3556 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3557 for expanding btrunc inline for SSE math.
3559 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3561 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3562 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3563 i[34567]86-*-solaris2.1[0-9]*.
3564 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3565 Define conditionally depending on TARGET_64BIT_DEFAULT.
3566 (SPEC_32, SPEC_64): Define.
3567 (LINK_SPEC): Use them.
3568 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3570 2006-10-29 Richard Guenther <rguenther@suse.de>
3572 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3573 (ix86_expand_rounddf_32): Likewise.
3574 * config/i386/i386.c (ix86_expand_round): New function expanding
3575 round inline for SSE math and -fno-trapping-math and if not
3576 optimizing for size.
3577 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3578 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3579 round via ix86_expand_round.
3581 2006-10-29 Richard Guenther <rguenther@suse.de>
3583 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3584 (ix86_expand_floorceildf_32): Likewise.
3585 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3586 static helper function.
3587 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3589 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3590 * config/i386/i386.md (floordf2): Adjust to enable floor
3591 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3592 -fno-trapping-math is enabled and if not optimizing for size.
3593 (floorsf2, ceildf2, ceilsf2): Likewise.
3594 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3595 (sse2_maskcmpdf3): Likewise.
3597 2006-10-29 Richard Guenther <rguenther@suse.de>
3599 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3600 rint in case -fno-trapping-math is enabled.
3601 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3602 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3603 (ix86_expand_sse_fabs): Likewise.
3604 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3605 * config/i386/i386.md (rintdf2): Enable for SSE math if
3606 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3607 (rintsf2): Likewise.
3609 2006-10-29 Richard Guenther <rguenther@suse.de>
3611 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3612 to conversion optabs.
3613 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3614 as conversion optab.
3615 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3616 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3617 (lfloor_optab, lceil_optab): Adjust defines.
3618 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3619 lfloor and lceil optabs now being conversion optabs.
3620 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3621 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3622 New static helper function.
3623 (ix86_expand_lfloorceil): New function to expand lfloor and
3625 * config/i386/i386.md (lfloor<mode>2): Split into ...
3626 (lfloorxf<mode>2): ... x87 variant
3627 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3628 using ix86_expand_lfloorceil.
3629 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3631 * doc/md.texi (lfloorMN, lceilMN): Document.
3633 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3635 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3636 -mno-shared assembler option on mips targets.
3637 * configure, config.in: Regenerate.
3638 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3639 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3640 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3642 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3644 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3645 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3647 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3649 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3650 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3653 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3656 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3657 (fold_builtin_pow): Evaluate constant arguments at compile-time
3659 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3660 (do_mpfr_ckconv): New helper function.
3661 (do_mpfr_arg1): Use do_mpfr_ckconv.
3662 (do_mpfr_arg2): New.
3664 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3667 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3668 (-fdump-rtl-sched): Rename to ..
3669 (-fdump-rtl-sched1): here. Also fix file extension number.
3671 2006-10-28 Richard Guenther <rguenther@suse.de>
3673 * fold-const.c (maybe_canonicalize_comparison): Fix code
3676 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3678 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3679 (NON_QI_REG_P): Use IN_RANGE.
3680 (REX_INT_REGNO_P): Use IN_RANGE.
3681 (FP_REGNO_P): Use IN_RANGE.
3682 (SSE_REGNO_P): Use IN_RANGE.
3683 (REX_SSE_REGNO_P): Use IN_RANGE.
3684 (MMX_REGNO_P): Use IN_RANGE.
3685 (STACK_REGNO_P): New macro.
3686 (STACK_REG_P): Use STACK_REGNO_P.
3687 (NON_STACK_REG_P): Use STACK_REGNO_P.
3688 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3689 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3690 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3691 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3692 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3694 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3696 * except.h (output_function_exception_table): Add 'const char*' param.
3697 * except.c (switch_to_exception_section): Add 'const char*' param.
3698 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3699 and flag_function_sections is set, use a function-specific section.
3700 (output_function_exception_table): Add 'const char*' param.
3701 Adjust call to switch_to_exception_section.
3702 * final.c (rest_of_handle_final): Adjust calls to
3703 output_function_exception_table.
3704 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3705 * config.in: Regenerate.
3706 * configure: Likewise.
3708 2006-10-28 Richard Guenther <rguenther@suse.de>
3711 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3712 for maybe_canonicalize_comparison.
3713 (maybe_canonicalize_comparison): New function for canonicalizing
3715 (fold_comparison): Call it to canonicalize comparisons with
3718 2006-10-28 Richard Guenther <rguenther@suse.de>
3721 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3722 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3723 (expand_builtin): Adjust likewise.
3724 * genopinit.c (optabs[]): Add lround optab.
3725 * optabs.c (init_optabs): Initialize lround_optab.
3726 * optabs.h (enum convert_optab_index): Add COI_lround.
3727 (lround_optab): Define.
3728 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3729 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3731 (ix86_expand_lround): New function.
3732 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3734 * doc/md.texi (lroundMN2): Document.
3736 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3739 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3740 argument to HOST_WIDE_INT. Update function prototype.
3741 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3742 "size" argument to HOST_WIDE_INT. Update function prototype.
3744 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3746 * config/i386/i386.c (output_387_ffreep): Create output from a
3747 template string for !HAVE_AS_IX86_FFREEP.
3749 2006-10-27 Eric Christopher <echristo@apple.com>
3751 * config/darwin.c: Fix formatting and grammar.
3753 2006-10-27 Jan Hubicka <jh@suse.cz>
3755 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3756 to be thrown away soon when IGNORE is set.
3757 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3758 indicating when return value shall not be computed.
3759 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3761 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3763 * config/i386/i386.h (TARGET_GEODE):
3764 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3765 (TARGET_CPU_DEFAULT_geode): New macro.
3766 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3767 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3768 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3769 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3770 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3772 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3773 (processor_type): Add PROCESSOR_GEODE.
3775 * config/i386/i386.md: Include geode.md.
3778 * config/i386/i386.c (geode_cost): New initialized global
3780 (m_GEODE, m_K6_GEODE): New macros.
3781 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3782 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3783 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3784 x86_schedule): Use m_K6_GEODE instead of m_K6.
3785 (x86_movx, x86_cmove): Set up m_GEODE.
3786 (x86_integer_DFmode_moves): Clear m_GEODE.
3787 (processor_target_table): Add entry for geode.
3788 (processor_alias_table): Ditto.
3790 * config/i386/geode.md: New file.
3792 * doc/invoke.texi: Add entry about geode processor.
3794 2006-10-27 Mike Stump <mrs@apple.com>
3796 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3797 __DYNAMIC__ from here back to ...
3798 * config/darwin.h (CPP_SPEC): ... here.
3800 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3801 Nathan Sidwell <nathan@codesourcery.com>
3803 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3804 when choosing the minimum heapsize.
3806 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3808 * gcc/unwind-dw2.h: Move cfa-related variables into
3809 struct frame_state_reg_info to ensure that the CFA is properly
3810 handled when executing DW_CFA_{remember,restore}_state.
3811 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3812 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3813 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3814 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3815 gcc/config/rs6000/linux-unwind.h,
3816 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3817 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3818 Modify to use new cfa_* fields.
3820 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3822 * config/s390/s390.c (s390_init_frame_layout): Check positive
3825 2006-10-26 Ben Elliston <bje@au.ibm.com>
3827 * gimplify.c (get_name): Remove extraneous break.
3828 (gimplify_omp_for): Initialise ret with GS_OK.
3830 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3832 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3833 Add unix98.o to link line.
3835 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3838 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3839 Calculate compile-time constants using MPFR.
3840 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3841 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3843 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3845 * config/xtensa/lib2funcs.S: Use C-style comments.
3847 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3849 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3850 (file_table_relative_p): Likewise.
3851 (dwarf2out_finish): Likewise.
3852 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3854 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3856 * tree-ssa-structalias.c (intra_create_variable_infos):
3857 Don't recreate nonlocal_all if it already exists.
3859 2006-10-25 Richard Guenther <rguenther@suse.de>
3862 * optabs.h (enum optab_index): Remove OTI_lrint.
3863 (enum convert_optab_index): Add COI_lrint.
3864 (lrint_optab): Adjust.
3865 (expand_sfix_optab): Declare.
3866 * optabs.c (expand_sfix_optab): New function.
3867 (init_optabs): Init lrint_optab as conversion optab.
3868 * genopinit.c (lrint_optab): Change to a conversion optab.
3869 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3870 expansion via conversion optab.
3871 * config/i386/i386.md (*fistdi2_1): Remove
3872 flag_unsafe_math_optimizations guard.
3873 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3874 fist<mode>2_with_temp): Likewise.
3875 (lrint<mode>2): Split into...
3876 (lrintxf<mode>2): ... x87 part
3877 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3878 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3879 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3880 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3881 * doc/md.texi (lrintMN2): Document.
3883 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3886 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3887 Use inc and dec instructions for TARGET_USE_INCDEC.
3888 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3889 ("sync_double_compare_and_swap<mode>"): Likewise.
3890 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3891 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3892 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3893 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3894 ("sync_old_add<mode>"): Likewise.
3895 ("sync_lock_test_and_set<mode>"): Likewise.
3896 ("sync_lock_test_and_set<mode>"): Likewise.
3897 ("sync_add<mode>"): Likewise.
3898 ("sync_sub<mode>"): Likewise.
3899 ("sync_ior<mode>"): Likewise.
3900 ("sync_and<mode>"): Likewise.
3901 ("sync_xor<mode>"): Likewise.
3903 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3905 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3906 (remainder_optab): Define corresponding macro.
3907 (drem_optab): Remove.
3908 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3909 drem_optab initialization.
3910 * genopinit.c (optabs): Implement remainder_optab using
3911 remainder?f3 patterns. Remove drem_optab.
3912 * builtins.c (expand_builtin_mathfn_2): Handle
3913 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3914 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3915 expand_builtin_mathfn_2.
3917 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3918 depend on flag_unsafe_math_optimizations.
3920 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3921 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3922 Do not depend on flag_unsafe_math_optimizations. Use
3923 truncxf?f expander instead of truncxf?f_i387_noop.
3925 ("fpremxf4", "fprem1xf4"): Do not depend on
3926 flag_unsafe_math_optimizations.
3927 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3928 flag_unsafe_math_optimizations. Use truncxf?f expander
3929 instead of truncxf?f_i387_noop.
3931 * doc/md.texi (fmod, remainder): Document standard named pattern.
3933 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3934 David Daney <ddaney@avtrex.com>
3937 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3939 2006-10-25 Ben Elliston <bje@au.ibm.com>
3941 * doc/extend.texi (Variable Attributes): Typo fix.
3943 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3945 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3946 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3947 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3948 (FRAME_POINTER_REGNUM): Update register number to 21.
3949 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3950 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3952 * config/i386/i386.c (regclass_map): Add fpcr entry.
3953 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3955 (print_reg): Assert REGNO (x) != FPCR_REG.
3957 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3958 (DIRFLAG_REG): Renumber.
3959 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3960 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3961 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3962 hardcoded SSE register numbers.
3964 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3965 hardcoded MMX register numbers.
3967 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3970 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3971 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3973 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3974 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3975 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3976 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3978 2006-10-24 Richard Guenther <rguenther@suse.de>
3981 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3982 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3983 for deciding optimizations in consistency with fold-const.c
3984 (fold_builtin_unordered_cmp): Likewise.
3986 2006-10-24 Richard Guenther <rguenther@suse.de>
3988 * builtins.c (fold_builtin_floor): Fold floor (x) where
3989 x is nonnegative to trunc (x).
3990 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3991 nonnegative to FIX_TRUNC_EXPR.
3993 2006-10-24 Richard Guenther <rguenther@suse.de>
3995 PR tree-optimization/29567
3996 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3997 for TRUTH_NOT_EXPR. Clarify comments.
3999 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4002 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4003 at compile-time using MPFR. Change parameter VALUE to FUNC,
4005 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4006 for overflow and underflow at all times and avoid folding in
4009 2006-10-24 Ben Elliston <bje@au.ibm.com>
4011 * reload1.c: Formatting fixes.
4013 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4015 PR tree-optimization/14784
4016 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4017 * tree-ssa-structalias.c (get_constraint_for,
4018 intra_create_variable_infos): Set is_heapvar.
4019 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4020 non-heapvar pointer variables specially.
4022 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4025 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4026 fold_builtin_tan): Fold all constant arguments. Take a "type"
4027 argument as necessary.
4028 (do_mpfr_arg1): New.
4029 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4031 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4033 * config/xtensa/lib1funcs.asm: Use C-style comments.
4035 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4037 * tree.c (local_define_builtin): Replace calls to
4038 lang_hooks.builtin_function with add_builtin_function.
4039 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4041 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4043 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4044 common code to add_builtin_function.
4045 * langhooks.c (add_builtin_function): New function.
4046 (lhd_builtin_function): New function.
4047 * langhooks.h (struct lang_hooks): Change the signature of
4049 (add_builtin_function): New function.
4050 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4051 calls to lang_hooks.builtin_function with add_builtin_function.
4052 * c-common.c (decl_builtin_1): Replace calls to
4053 lang_hooks.builtin_function with add_builtin_function.
4054 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4055 lang_hooks.builtin_function with add_builtin_function.
4056 * config/frv/frv.c (def_builtin): Replace calls to
4057 lang_hooks.builtin_function with add_builtin_function.
4058 * config/s390/s390.c (s390_init_builtins): Replace calls to
4059 lang_hooks.builtin_function with add_builtin_function.
4060 * config/sparc/sparc.c (def_builtin): Replace calls to
4061 lang_hooks.builtin_function with add_builtin_function.
4062 * config/i386/i386.c (def_builtin): Replace calls to
4063 lang_hooks.builtin_function with add_builtin_function.
4064 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4065 lang_hooks.builtin_function with add_builtin_function.
4066 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4067 lang_hooks.builtin_function with add_builtin_function.
4068 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4069 Replace calls to lang_hooks.builtin_function with
4070 add_builtin_function.
4071 * config/iq2000/iq2000.c (def_builtin):
4072 Replace calls to lang_hooks.builtin_function with
4073 add_builtin_function.
4074 * config/ia64/ia64.c (def_builtin): Replace calls to
4075 lang_hooks.builtin_function with add_builtin_function.
4076 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4077 lang_hooks.builtin_function with add_builtin_function.
4078 (altivec_init_builtins): Replace calls to
4079 lang_hooks.builtin_function with add_builtin_function.
4080 * config/arm/arm.c (def_mbuiltin): Replace calls to
4081 lang_hooks.builtin_function with add_builtin_function.
4082 (arm_init_tls_builtins): Replace calls to
4083 lang_hooks.builtin_function with add_builtin_function.
4084 * config/mips/mips.c (mips_init_builtins): Replace calls to
4085 lang_hooks.builtin_function with add_builtin_function.
4086 * config/bfin/bfin.c (def_builtin): Replace calls to
4087 lang_hooks.builtin_function with add_builtin_function.
4088 * langhooks-def.h (lhd_builtin_function): New function.
4089 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4091 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4093 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4094 BUILT_IN_STRNCAT_CHK.
4096 2006-10-23 Jan Hubicka <jh@suse.cz>
4098 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4099 don't do conversion from memmove to memcpy here.
4100 (expand_builtin_bcopy, expand_builtin): Update call of
4101 expand_builtin_memmove.
4102 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4104 2006-10-23 Paul Brook <paul@codesourcery.com>
4106 * stor-layout.c (start_record_layout): maximum_field_alignment
4107 overrides STRUCTURE_SIZE_BOUNDARY.
4109 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4111 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4112 nonlocal function symbols if flag_pic.
4114 2006-10-23 Richard Guenther <rguenther@suse.de>
4118 * builtins.c (fold_binary): Remove checks for flag_wrapv
4119 and flag_trapv where negate_expr_p covers these cases.
4121 2006-10-23 Richard Guenther <rguenther@suse.de>
4124 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4125 of two on the absolute value.
4126 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4127 and negating -C does not overflow.
4129 2006-10-23 Richard Guenther <rguenther@suse.de>
4132 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4133 only if not flag_rounding_math.
4135 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4136 Kaz Kojima <kkojima@gcc.gnu.org>
4139 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4140 SImode memory reference for the source of a movua.
4141 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4142 (movua): Use an unspec instead of sign_extract. Expect the source
4143 to have mode BLKmode.
4144 (extv, insv): Use a BLKmode rather than SImode memory reference
4145 for the source of a movua.
4147 2006-10-22 Jeff Law <law@redhat.com>
4148 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/15911
4151 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4152 (register_edge_assert_for_1): Likewise.
4153 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4154 (find_conditional_asserts): Adjust for new function signature.
4155 (find_assert_locations): Likewise.
4157 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4159 * config/i386/tmmintrin.h: Remove the duplicated content.
4161 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4163 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4164 (x86_64-*-*): Likewise.
4166 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4167 (override_options): Check SSSE3.
4168 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4169 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4170 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4171 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4172 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4173 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4174 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4175 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4176 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4177 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4178 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4179 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4180 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4181 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4182 IX86_BUILTIN_PABSD128.
4183 (bdesc_2arg): Add SSSE3.
4184 (bdesc_1arg): Likewise.
4185 (ix86_init_mmx_sse_builtins): Support SSSE3.
4186 (ix86_expand_builtin): Likewise.
4187 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4189 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4190 (UNSPEC_PSIGN): Likewise.
4191 (UNSPEC_PALIGNR): Likewise.
4192 Include mmx.md before sse.md.
4194 * config/i386/i386.opt: Add -mssse3.
4196 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4197 (ssse3_phaddwv4hi3): Likewise.
4198 (ssse3_phadddv4si3): Likewise.
4199 (ssse3_phadddv2si3): Likewise.
4200 (ssse3_phaddswv8hi3): Likewise.
4201 (ssse3_phaddswv4hi3): Likewise.
4202 (ssse3_phsubwv8hi3): Likewise.
4203 (ssse3_phsubwv4hi3): Likewise.
4204 (ssse3_phsubdv4si3): Likewise.
4205 (ssse3_phsubdv2si3): Likewise.
4206 (ssse3_phsubswv8hi3): Likewise.
4207 (ssse3_phsubswv4hi3): Likewise.
4208 (ssse3_pmaddubswv8hi3): Likewise.
4209 (ssse3_pmaddubswv4hi3): Likewise.
4210 (ssse3_pmulhrswv8hi3): Likewise.
4211 (ssse3_pmulhrswv4hi3): Likewise.
4212 (ssse3_pshufbv16qi3): Likewise.
4213 (ssse3_pshufbv8qi3): Likewise.
4214 (ssse3_psign<mode>3): Likewise.
4215 (ssse3_psign<mode>3): Likewise.
4216 (ssse3_palignrti): Likewise.
4217 (ssse3_palignrdi): Likewise.
4218 (abs<mode>2): Likewise.
4219 (abs<mode>2): Likewise.
4221 * config/i386/tmmintrin.h: New file.
4223 * doc/extend.texi: Document SSSE3 built-in functions.
4225 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4227 2006-10-22 Ira Rosen <irar@il.ibm.com>
4229 * tree-vect-transform.c (vectorizable_load): Use the type of the
4230 return value of the mask_for_load builtin to create realign_load
4233 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4235 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4238 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4240 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4241 (UNSPEC_LDDQU): This.
4242 * config/i386/sse.md (sse3_lddqu): Updated.
4244 2006-10-21 Richard Guenther <rguenther@suse.de>
4246 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4247 (expand_builtin): Use it to expand lrint instead of
4248 expand_builtin_mathfn.
4250 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4253 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4254 flag_unsafe_math_optimizations is set.
4256 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4259 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4260 patterns to use memory input operand in x87->mem->XMM
4261 reload sequences. Skip transformation for TARGET_K8.
4263 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4265 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4266 force operand1 to register if both operands are memory operands.
4267 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4268 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4269 if both operands are memory operands.
4270 (truncdfsf2): Do not force operand1 to register if both operands
4271 are memory operands.
4273 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4275 * Makefile.in (LIBS): Add $(GMPLIBS).
4276 * doc/install.texi: Update GMP and MPFR requirements.
4277 * doc/sourcebuild.texi (need_gmp): Delete.
4279 2006-10-21 Richard Guenther <rguenther@suse.de>
4281 PR tree-optimization/3511
4282 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4283 got new invariant arguments during PHI translation.
4285 2006-10-21 Richard Guenther <rguenther@suse.de>
4288 * fold-const.c (fold_comparison): Fold signed comparisons
4289 of the form X +- C1 CMP Y +- C2.
4291 2006-10-21 Richard Guenther <rguenther@suse.de>
4294 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4295 if flag_unsafe_math_optimizations is specified. We have
4296 flag_finite_math_only for that.
4297 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4298 or flag_unsafe_math_optimizations.
4300 2006-10-21 Richard Guenther <rguenther@suse.de>
4302 * builtins.c (fold_builtin_classify): Fix typo.
4304 2006-10-21 Richard Guenther <rguenther@suse.de>
4307 * simplify-rtx.c (simplify_const_relational_operation):
4308 Do not constant-fold ORDERED and UNORDERED for
4309 flag_unsafe_math_optimizations but only we do not need to
4310 honor NaNs for the given mode.
4312 2006-10-21 Richard Guenther <rguenther@suse.de>
4315 * config/i386/i386.c (classify_argument): Remove redundant
4316 walking of the BINFOs.
4317 (contains_128bit_aligned_vector_p): Likewise.
4319 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4321 * BASE-VER: Set to 4.3.0.
4323 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4325 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4326 (tree_decl_with_vis): Remove artificial_pta_var flag.
4327 * tree-flow.h (referenced_var_check_and_insert): Expose.
4328 (nonlocal_all): New prototype.
4329 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4330 (nonlocal_all): Make global.
4331 (nonlocal_lookup): Remove.
4332 (nonlocal_insert): Ditto.
4333 (create_nonlocal_var): Do not call nonlocal_insert.
4334 (get_nonlocal_id_for_type): Remove.
4335 (find_global_initializers): Mark new vars we find for renaming.
4336 (intra_create_variable_infos): Only create one nonlocal.
4337 (expand_nonlocal_solutions): Remove.
4338 (compute_points_to_sets): Don't call it.
4339 (ipa_pta_execute): Ditto.
4340 (init_alias_heapvars): Don't create nonlocal_for_type.
4341 (delete_alias_heapvars): Don't remove it.
4342 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4345 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4347 * doc/install.texi (Downloading GCC): Clarify mention of
4348 Fortran in the "full distribution" description.
4350 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4352 Fix PR tree-optimization/28778
4353 Fix PR tree-optimization/29156
4354 Fix PR tree-optimization/29415
4355 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4356 (tree_decl_with_vis): Add artificial_pta_var flag.
4357 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4358 pushed into callers.
4359 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4360 (nonlocal_all): Ditto.
4361 (struct variable_info): Add directly_dereferenced member.
4362 (var_escaped_vars): New variable.
4363 (escaped_vars_tree): Ditto.
4364 (escaped_vars_id): Ditto.
4365 (nonlocal_vars_id): Ditto.
4366 (new_var_info): Set directly_dereferenced.
4367 (graph_size): New variable
4368 (build_constraint_graph): Use graph_size.
4369 (solve_graph): Don't process constraints that cannot change the
4370 solution, don't try to propagate an empty solution to our
4372 (process_constraint): Set directly_dereferenced.
4373 (could_have_pointers): New function.
4374 (get_constraint_for_component_ref): Don't process STRING_CST.
4375 (nonlocal_lookup): New function.
4376 (nonlocal_insert): Ditto.
4377 (create_nonlocal_var): Ditto.
4378 (get_nonlocal_id_for_type): Ditto.
4379 (get_constraint_for): Allow results vector to be empty in the case
4380 of string constants.
4381 Handle results of calls properly.
4382 (update_alias_info): Update alias info stats on number and type of
4384 (find_func_aliases): Use could_have_pointers.
4385 (make_constraint_from_escaped): Renamed from
4386 make_constraint_to_anything, and changed to make constraints from
4388 (make_constraint_to_escaped): New function.
4389 (find_global_initializers): Ditto.
4390 (create_variable_info_for): Make constraint from escaped to any
4391 global variable, and from any global variable to the set of
4393 (intra_create_variable_infos): Deal with escaped instead of
4394 pointing to anything.
4395 (set_uids_in_ptset): Do type pruning on directly dereferenced
4397 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4398 (init_base_vars): Fix comment, and initialize escaped_vars.
4399 (need_to_solve): Removed.
4400 (find_escape_constraints): New function.
4401 (expand_nonlocal_solutions): Ditto.
4402 (compute_points_to_sets): Call find_escape_constraints and
4403 expand_nonlocal_solutions.
4404 (delete_points_to_sets): Don't fall off the end of the graph.
4405 (init_alias_heapvars): Initialize nonlocal_for_type and
4407 (delete_alias_heapvars): Free nonlocal_for_type and null out
4410 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4412 * fold-const.c (add_double): Rename to add_double_with_sign.
4413 Add 'unsigned_p' parameter and take it into account for the overflow.
4414 (mul_double): Rename to mul_double_with_sign.
4415 Add 'unsigned_p' parameter and take it into account for the overflow.
4416 (fold_div_compare): Call add_double_with_sign instead of add_double
4417 and mul_double_with_sign instead of mul_double, passing them the
4418 unsignedness of the type.
4419 * tree.h (add_double): Macroize.
4420 (add_double_with_sign): New prototype.
4421 (mul_double): Macroize.
4422 (mul_double_with_sign): New prototype.
4424 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4426 * config/score/crti.asm: New file.
4427 * config/score/crtn.asm: New file.
4428 * config/score/elf.h: New file.
4429 * config/score/mac.md: New file.
4430 * config/score/misc.md: New file.
4431 * config/score/mul-div.S: New file.
4432 * config/score/predicates.md: New file.
4433 * config/score/score7.md: New file.
4434 * config/score/score.c: New file.
4435 * config/score/score-conv.h: New file.
4436 * config/score/score.h: New file.
4437 * config/score/score.md: New file.
4438 * config/score/score-mdaux.c: New file.
4439 * config/score/score-mdaux.h: New file.
4440 * config/score/score-modes.def: New file.
4441 * config/score/score.opt: New file.
4442 * config/score/score-protos.h: New file.
4443 * config/score/score-version.h: New file.
4444 * config/score/t-score-elf: New file.
4445 * config.gcc: Add score*-*-* configurations(Update before).
4446 * doc/invoke.texi (Score Options): New section.
4447 * doc/md.texi (Score family): New section to document constraints.
4449 2006-10-19 Nick Clifton <nickc@redhat.com>
4451 * config/arm/arm.c: Fix spelling typo.
4453 2006-10-18 Tom Tromey <tromey@redhat.com>
4455 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4457 2006-10-18 Jan Hubicka <jh@suse.cz>
4460 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4463 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4465 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4466 TSI_SAME_STMT, since that's the desired entity.
4468 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4470 * config/s390/contraints.md: New file.
4471 * config/s390/s390-protos.h (s390_mem_constraint,
4472 s390_O_constraint_str, s390_N_constraint_str,
4473 s390_float_const_zero_p): Function prototypes added.
4474 * config/s390/s390.c (s390_extra_constraint_str,
4475 s390_const_double_ok_for_constraint_p,
4476 s390_const_ok_for_constraint_p): Functions removed.
4477 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4478 s390_float_const_zero_p): New functions.
4479 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4480 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4481 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4482 Macro definitions removed.
4483 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4484 s390_extra_constraint_str): Functions removed.
4486 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4487 Richard Sandiford <richard@codesourcery.com>
4490 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4491 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4493 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4495 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4496 (DWARF2_FRAME_REG_OUT): Likewise.
4497 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4498 (DWARF2_FRAME_REG_OUT): Likewise.
4500 2006-10-17 Paul Brook <paul@codesourcery.com>
4502 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4504 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4506 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4507 Standardize on "GNU Fortran" as the official name of the Fortran
4510 2006-10-16 Mike Stump <mrs@apple.com>
4512 * doc/invoke.texi (Darwin Options): Document -mkernel.
4513 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4515 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4516 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4517 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4518 (OS_MISSING_ALTIVEC): Add.
4519 * config/i386/i386.c (override_options): Add
4520 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4521 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4522 -mkernel, -static or -mdynamic-no-pic is given.
4523 (C_COMMON_OVERRIDE_OPTIONS): Add.
4524 * config/darwin.opt (fapple-kext): Add.
4526 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4527 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4529 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4530 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4531 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4532 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4533 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4534 (flag_mkernel): Add.
4535 (flag_apple_kext): Add.
4536 (TARGET_KEXTABI): Add.
4537 * config/darwin.c (darwin_handle_kext_attribute): Add.
4538 (DARWIN_VTABLE_P): Add.
4539 (darwin_binds_local_p): Add partial support for rebinding vtables
4541 (darwin_kextabi_p): Add.
4542 (darwin_override_options): Add.
4543 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4544 (darwin_kextabi_p): Add.
4545 (darwin_override_options): Add.
4546 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4547 __DYNAMIC__ and __STATIC__ here.
4549 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4551 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4552 Added mention of "make pdf" target, and Texinfo requirements for
4555 2006-10-16 DJ Delorie <dj@redhat.com>
4557 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4558 into the GOT in case we need a subreg of the address.
4560 2006-10-16 Richard Guenther <rguenther@suse.de>
4563 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4564 SSE builtin documentation. Document SSE2 builtins.
4566 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4568 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4569 symbol in the output file for non-shared links when -nostdlib or
4570 -nodefaultlibs isn't specified.
4572 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4573 posix thread support.
4575 2006-10-15 Jan Hubicka <jh@suse.cz>
4578 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4579 declared always_inline even when not inlining.
4581 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4582 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4583 Andrew Pinski <pinskia@gmail.com>
4586 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4588 2006-10-15 Jan Hubicka <jh@suse.cz>
4589 Richard Guenther <rguenther@suse.de>
4592 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4593 process_function_and_variable_attributes on all variables, including
4594 those discovered during cgraph construction phase.
4596 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4598 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4600 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4602 * config/i386/athlon.md (athlon_fist): Add fisttp.
4604 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4605 Ian Lance Taylor <ian@airs.com>
4608 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4609 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4612 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4614 * config/score/score.c, config/score/score.h: Fix comment
4617 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4620 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4623 2006-10-13 Eric Christopher <echristo@apple.com>
4625 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4627 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4630 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4631 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4632 alignment supported by 32-bit ELF.
4634 2006-10-13 Eric Christopher <echristo@apple.com>
4636 * config/darwin.c (darwin_emit_unwind_label): Strip
4637 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4639 2006-10-13 Richard Guenther <rguenther@suse.de>
4641 PR tree-optimization/29446
4642 * tree-vrp.c (fix_equivalence_set): Remove.
4643 (extract_range_from_assert): Do not call fix_equivalence_set.
4644 (debug_value_range): Print a newline.
4645 (compare_name_with_value): For equivalence sets with
4646 inconsistent value ranges conservatively bail out.
4647 (compare_names): Likewise.
4649 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4651 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4652 and MPFR for gfortran.
4654 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4656 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4657 alignment supported by 32-bit ELF.
4659 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4663 * c-typeck.c (digest_init): Always allow initializing vectors
4664 that have static storage duration with compound literals.
4665 * tree.c (build_type_attribute_qual_variant): New, based on
4666 build_type_attribute_variant.
4667 (build_type_attribute_variant): Rewrite using the former.
4668 (make_vector_type): Use build_type_attribute_qual_variant to build
4669 type variants. Use type_hash_canon on the others.
4671 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4672 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4674 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4676 2006-10-12 Jan Hubicka <jh@suse.cz>
4679 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4680 current_function_decl is set but current_function_scope is not.
4682 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4684 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4685 emit_insn to emit eh_return_internal instruction.
4686 (eh_return_internal): Explicitly set pc.
4688 2006-10-11 Richard Guenther <rguenther@suse.de>
4690 PR tree-optimization/28230
4691 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4692 to the correct place.
4694 2006-10-11 Richard Guenther <rguenther@suse.de>
4697 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4700 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4702 * configure.ac: Added pdf to "Make-hooks"
4703 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4704 targets and *.pdf file patterns in cleanup targets.
4705 * configure: Regenerated.
4707 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4709 * config/avr/predicates.md: New file.
4710 * config/avr/avr.md: Include it.
4711 (REG_SP): New constant.
4712 (peepholes): Use predicates.
4713 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4714 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4715 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4717 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4719 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4722 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4725 * builtins.c (var_decl_component_p): New function.
4726 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4727 single entry optimization to variables and components thereof.
4729 2006-10-10 Richard Guenther <rguenther@suse.de>
4731 PR rtl-optimization/29323
4732 * except.c (set_nothrow_function_flags): For functions
4733 that do not bind local bail out early.
4735 2006-10-10 Ben Elliston <bje@au.ibm.com>
4737 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4740 2006-10-09 Richard Henderson <rth@redhat.com>
4742 Revert emutls patch.
4744 2006-10-09 Richard Guenther <rguenther@suse.de>
4747 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4750 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4753 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4754 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4755 * configure: Regenerate.
4756 * config.in: Regenerate.
4758 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4760 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4762 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4764 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4765 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4766 Remove stray newline.
4768 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4770 * config/mips/mips.c (mips_classify_symbol): Do not return
4771 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4772 (mips_in_small_data_p): Tweak comments.
4774 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4776 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4778 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4780 * gimplify.c, sched-int.h: Fix comment typos.
4782 * sched-int.h: Fix comment typos.
4784 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4786 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4788 * sched-ebb.c (begin_schedule_ready): Use them.
4789 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4790 add_to_speculative_block, create_check_block_twin, speculate_insn,
4791 fix_jump_move, move_block_after_check): Ditto.
4792 * sched-rgn.c (new_ready): Ditto.
4794 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4796 PR rtl-optimization/29128
4797 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4798 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4799 allow interblock movement of speculation checks.
4801 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4804 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4805 casted to integer type.
4806 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4807 if they are significantly more expensive than [reg + index] ones.
4809 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4811 PR tree-optimization/29330
4812 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4813 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4814 on newly allocated ddrs.
4815 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4816 to VEC (loop_p, heap) pointer.
4817 (compute_data_dependences_for_loop): Adjust caller.
4818 (free_dependence_relations): Free DDR_LOOP_NEST.
4820 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4821 free DEPENDENCE_RELATIONS and DATAREFS.
4824 * builtins.c (expand_builtin_sync_operation,
4825 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4826 Use convert_to_mode to handle promoted arguments.
4828 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4830 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4832 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4834 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4836 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4838 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4839 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4840 Use <modeconstraint> instead of "r" as operand 1 constraint.
4842 2006-10-06 Olivier Hainque <hainque@adacore.com>
4844 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4845 Don't recurse on the pointed-to type.
4846 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4847 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4848 types with components of variable size.
4850 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4852 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4854 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4856 PR tree-optimization/29290
4857 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4861 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4862 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4865 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4866 the number of vector elements fill the rest with zeros.
4868 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4870 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4871 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4874 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4876 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4877 unnamed pattern into subsi3. Use correct constraints/predicates.
4878 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4879 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4881 2006-10-05 Ira Rosen <irar@il.ibm.com>
4883 * doc/loop.texi: Add data references analysis description.
4885 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4887 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4889 2006-10-04 Richard Henderson <rth@redhat.com>
4890 Jakub Jelinek <jakub@redhat.com>
4892 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4893 * builtin-types.def (BT_WORD): Make unsigned.
4894 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4895 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4896 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4897 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4898 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4899 * cgraph.c (decide_is_variable_needed): Look at force_output.
4900 Recurse for emulated tls.
4901 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4902 checks redundant with decide_is_variable_needed.
4903 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4904 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4906 * expr.c (emutls_var_address): New.
4907 (expand_expr_real_1): Expand emulated tls.
4908 (expand_expr_addr_expr_1): Likewise.
4909 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4910 * output.h (emutls_finish): Declare.
4911 * toplev.c (compile_file): Call it.
4912 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4913 address before wrapping in CONST.
4914 * varasm.c (emutls_htab, emutls_object_type): New.
4915 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4916 (get_emutls_object_name, get_emutls_object_type): New.
4917 (get_emutls_init_templ_addr, emutls_decl): New.
4918 (emutls_common_1, emutls_finish): New.
4919 (assemble_variable): When emulating tls, swap decls; generate
4920 constructor for the emutls objects.
4921 (do_assemble_alias): When emulating tls, swap decl and target name.
4922 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4924 * emutls.c: New file.
4925 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4926 tls_object for real tls.
4928 2006-10-04 Zack Weinberg <zackw@panix.com>
4930 Fix bug in constraint-check generator, reported by Rask Ingemann
4932 * genpreds.c (add_constraint): Don't remove anything from the
4934 (write_tm_constrs_h): Detect whether "op" argument is used, and
4935 mark it ARG_UNUSED if it isn't.
4936 (write_insn_const_int_ok_for_constraint): Skip the part of the
4937 expression that would test whether "op" (which is not available
4938 here) is a CONST_INT.
4940 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4943 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4945 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4947 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4948 current Leopard versions.
4949 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4951 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4953 * doc/install.texi: Fix typos.
4955 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4957 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4958 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4959 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4961 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4963 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4964 arg to be struct mach_header_64* instead.
4966 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4969 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4970 side effects after the outer expression's post side effects.
4972 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4974 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4975 comments to reflect actual behavior and relationship between
4976 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4978 * doc/c-tree.texi (Working with declarations): Fix documentation
4979 of FIELD_DECL likewise.
4981 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4984 * doc/extend.texi: Add used variable attribute description.
4986 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4989 * c.opt (Woverride-init): New.
4990 * c-opts.c (c_common_post_options): Default warn_override_init to
4992 * c-typeck.c (add_pending_init, output_init_element): Warn for
4993 overriding initializers without side effects.
4994 * doc/invoke.texi (-Woverride-init): Document.
4997 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4999 PR rtl-optimization/28096
5000 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5001 assignment has already been used as a destination earlier in the block.
5003 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5005 * builtins.c (expand_builtin_setjmp): Delete.
5006 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5007 <BUILT_IN_SETJMP_SETUP>: New case.
5008 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5009 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5010 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5011 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5012 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5013 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5014 (lower_function_body): Initialize it to false. If it is set to true
5015 at the end of the processing, emit the setjmp dispatcher.
5016 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5017 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5018 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5019 on the rhs of the assignment.
5020 (lower_builtin_setjmp): New function.
5021 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5022 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5023 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5024 to detect calls that can go to non-local labels. Use specific
5025 helper to create the abnormal edges associated with them.
5026 <MODIFY_EXPR>: Likewise.
5027 (make_abnormal_goto_edges): New function extracted from...
5028 (make_goto_expr_edges): ...here. Call it for computed gotos.
5029 (simple_goto_p): Minor tweak.
5030 (tree_can_make_abnormal_goto): New predicate.
5031 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5032 (tree_purge_dead_abnormal_call_edges): New function.
5033 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5034 (tree_purge_dead_abnormal_call_edges): Likewise.
5035 (make_abnormal_goto_edges): Likewise.
5036 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5037 Purge all dead abnormal edges if the call was in the last statement.
5038 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5039 (execute_fixup_cfg): If there are non-local labels in the function,
5040 scan the basic blocks and split them at calls that can go to non-local
5041 labels or add missing abnormal call edges. Write down the CFG in the
5043 (pass_fixup_cfg): Remove TODO_dump_func flag.
5044 * unwind-sjlj.c: Poison setjmp.
5045 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5046 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5047 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5048 (DONT_USE_BUILTIN_SETJMP): Document it.
5050 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5053 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5054 to 1 when __ppc64__ is defined.
5055 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5057 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5059 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5061 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5062 * config/ia64/unwind-hpux.c: Delete.
5064 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5066 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5067 on the element before gimplifying it, instead of punting if it is of
5070 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5072 * doc/loop.texi: New file.
5073 * doc/gccint.texi: Reference loop.texi.
5074 * Makefile.in (loop.texi): Add.
5076 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5078 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5080 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5081 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5083 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5085 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5087 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5089 * doc/install.texi: Document required versions of GMP and MPFR.
5091 2006-09-27 Paul Brook <paul@codesourcery.com>
5094 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5096 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5098 * reload1.c (alter_reg): Require the alignment of the stack slot to
5099 be at least reg_max_ref_width bytes.
5100 (scan_paradoxical_subregs): Record the largest width in
5103 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5107 * tree-nested.c (struct nesting_info): Added static_chain_added.
5108 (convert_call_expr): Set static_chain_added when adding static
5109 chain. Handle OMP_PARALLEL and OMP_SECTION.
5111 2006-09-25 Matthias Klose <doko@debian.org>
5113 * doc/invoke.texi: Add missing full stop.
5115 2006-09-25 Richard Henderson <rth@redhat.com>
5117 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5118 before cgraph_function_flags_ready.
5120 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5121 Adam Nemet <anemet@caviumnetworks.com>
5123 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5124 determine_common_wider_type): New functions.
5125 (get_computation_aff): Use them to simplify arithmetic between
5126 UBASE and CBASE if they are shortened from the same type.
5128 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5131 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5132 -2147483647 - 1 instead of 0x80000000.
5134 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5136 * flags.h (HONOR_NANS): Fix typo in comment.
5138 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5140 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5142 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5146 * tree.c (merge_attributes, attribute_list_contained): If both
5147 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5149 * c-typeck.c (comptypes_internal): Don't consider aggregates
5150 in different TUs as compatible if there one set of attributes is
5151 not a subset of the other type's attributes.
5152 (composite_type): Try harder not to create a new aggregate type.
5154 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5156 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5157 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5158 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5159 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5160 than replicating condition above.
5161 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5163 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5164 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5165 the linker by default.
5167 2006-09-22 Mike Stump <mrs@apple.com>
5169 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5172 2006-09-22 Richard Guenther <rguenther@suse.de>
5175 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5176 sort of stack variables stable.
5178 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5181 * explow.c (force_reg): Set REG_POINTER flag according to
5184 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5186 PR tree-optimization/28888
5187 * tree-if-conv.c (combine_blocks): Rewritten.
5188 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5189 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5191 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5193 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5196 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5198 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5200 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5202 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5204 2006-09-21 Roger Sayle <roger@eyesopen.com>
5207 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5208 dw_fde_current_label, to be the start of the function, i.e. the same
5209 value as dw_fde_begin.
5211 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5213 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5214 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5215 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5216 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5217 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5218 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5219 (abs<mode>2, neg<mode>2): Likewise.
5220 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5221 (*mips_abs_ps): New define_insn.
5223 2006-09-20 Josh Conner <jconner@apple.com>
5226 * calls.c (expand_call): Allow reuse of structure return stack
5229 2006-09-20 Paul Brook <paul@codesourcery.com>
5231 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5234 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5236 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5237 clean up terminology.
5239 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5242 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5243 with tablejumps in them.
5245 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5248 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5249 wrap it into TARGET_EXPR.
5251 2006-09-20 Eric Christopher <echristo@apple.com>
5253 * config/i386/i386.c (x86_fisttp): Remove.
5254 * config/i386/i386.h (x86_fisttp): Ditto.
5255 (TARGET_FISTTP): Ditto.
5257 2006-09-19 Eric Christopher <echristo@apple.com>
5259 * doc/tm.texi (OBJC_JBLEN): Describe.
5260 * config/i386/darwin.h (OBJC_JBLEN): Define.
5261 * config/rs6000/darwin.h: Ditto.
5263 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5265 PR rtl-optimization/21299
5266 * reload1.c (reload): Purge invalid ASMs in the final pass.
5268 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5271 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5272 pointers as legitimate constants.
5274 2006-09-19 Paul Brook <paul@codesourcery.com>
5277 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5279 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5281 PR tree-optimization/28887
5282 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5283 component parts from the reference.
5284 (gather_memory_references_ref): Record the reference without the
5285 nonaddressable component parts.
5287 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5290 * c-opts.c (c_common_handle_option): Ignore the -std options
5291 if the input language is assembly.
5293 2006-09-17 Ira Rosen <irar@il.ibm.com>
5296 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5298 (ptr_ptr_may_alias_p): Likewise.
5299 (record_record_differ_p): New function.
5300 (base_object_differ_p): Call record_record_differ_p.
5302 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5305 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5306 away for the expr argument.
5308 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5311 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5312 before using it for dumping after vectorizing loops.
5314 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5315 Jack Howarth <howarth@bromo.med.uc.edu>
5318 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5319 skip on error_mark_node.
5320 (rs6000_darwin64_record_arg_recurse): Likewise.
5322 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5324 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5325 * doc/rtl.texi: Remove related documentation.
5327 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5329 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5332 2006-09-15 Jim Wilson <wilson@specifix.com>
5334 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5335 Handle symbol offsets same as they are handled in ia64_expand_move
5338 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5340 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5341 Add forgotten parameter to the fprintf call.
5343 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5345 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5347 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5349 * doc/contrib.texi: Add my entry.
5351 2006-09-15 Nick Clifton <nickc@redhat.com>
5353 * doc/md.texi (Processor pipeline description): Fix typo in
5354 example of how to use the absence_set directive and reword the
5355 description to make it slightly easier to read.
5357 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5359 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5360 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5361 expanding the number of iterations.
5362 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5364 * cfgrtl.c (emit_insn_at_entry): New function.
5365 * rtl.h (emit_insn_at_entry): Declare it.
5366 * integrate.c (emit_initial_value_sets): Use it.
5368 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5370 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5372 (struct loop_work and related VEC declarations): Delete.
5373 (bfin_dump_loops): Print out new member bad.
5374 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5375 (bfin_scan_loop): Don't recurse.
5376 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5377 loops. No longer need to update outer loops if the current one is
5378 found bad. Move some validitiy checks to bfin_discover_loop.
5379 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5380 but changed not to check for nesting. Also changed to use the new bad
5382 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5383 time. Use bitmap based test to discover loop nesting.
5385 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5387 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5390 2006-09-14 Richard Guenther <rguenther@suse.de>
5391 Kazu Hirata <kazu@codesourcery.com>
5393 PR middle-end/28884.
5394 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5395 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5396 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5397 with TARGET_FUNCTION_VALUE.
5399 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5402 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5404 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5406 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5409 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5412 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5415 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5417 * basic_block.h (bb_has_eh_pred): Fix comment.
5419 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5421 * flow.c (calculate_global_regs_live): Invalidate eh registers
5422 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5423 (propagate_block): Handle eh registers as if they were set at basic
5425 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5427 * global.c (global_conflicts): Make eh registers to conflict with
5428 pseudos live at basic block begin.
5429 * basic_block.h (bb_has_eh_pred): New function.
5431 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5433 PR rtl-optimization/28982
5434 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5435 index of a PRE_MODIFY or POST_MODIFY address.
5436 * reload1.c (inc_for_reload): Use find_replacement on the original
5437 base and index registers.
5439 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5441 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5442 for -Os. Update __m128 alignment requirement.
5444 2006-09-13 Jan Hubicka <jh@suse.cz>
5446 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5448 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5450 PR rtl-optimization/28243
5451 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5452 the insn to which the note was originally attached.
5454 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5455 Roger Sayle <roger@eyesopen.com>
5457 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5458 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5459 on platforms that don't use dwarf for debug info.
5461 2006-09-12 Jason Merrill <jason@redhat.com>
5464 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5465 hard_frame_pointer_rtx after using it to update the frame pointer.
5467 2006-09-12 Roger Sayle <roger@eyesopen.com>
5469 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5470 (TARGET_ASM_CLOSE_PAREN): Likewise.
5471 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5472 (TARGET_ASM_CLOSE_PAREN): Likewise.
5474 2006-09-12 Roger Sayle <roger@eyesopen.com>
5477 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5478 frame information for frames larger than 512 Kbytes on Tru64 when
5479 using the native assembler.
5481 2006-09-12 Roger Sayle <roger@eyesopen.com>
5485 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5486 and symbols. Instead use the implementation from cse.c's hash_rtx.
5488 2006-09-12 Jan Hubicka <jh@suse.cz>
5490 PR rtl-optimization/28071
5491 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5492 (vect_transform_loop): Likewise.
5493 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5494 (new_loop_vec_info): Likewise.
5495 (destroy_loop_vec_info): Likewise.
5496 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5497 (create_stmt_ann): Likewise.
5498 (create_tree_ann): Rename to ...
5499 (create_tree_common_ann): ... this one; allocate only the common part
5501 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5502 (get_value_handle): Likewise.
5503 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5504 get_tree_common_ann.
5505 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5506 (vinfo_for_stmt): Use stmt annotations.
5507 * tree-flow.h (tree_ann_common_t): New type.
5508 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5509 (tree_ann, get_tree_ann, create_tree_ann): New.
5510 * tree-flow-inline.h (get_function_ann): Do more type checking.
5511 (stmt_ann): Likewise.
5512 (tree_ann): Rename to ...
5513 (tree_common_ann): ... this one; return ony common_ann
5514 (get_tree_ann): Rename to ...
5515 (tree_common_ann): This one; return only common_ann.
5516 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5519 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5521 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5522 with_cpu by default.
5524 * dwarf2out.c (dwarf_file_data): New.
5525 (enum dw_val_class): Add dw_val_class_file.
5526 (struct dw_val_struct): Add val_file.
5527 (file_table): Change to a hash table.
5528 (file_table_emitted): Delete.
5529 (file_table_last_lookup_index): Delete.
5530 (emitcount): Delete.
5531 (last_emitted_file): New.
5532 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5533 (init_file_table): Delete.
5534 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5535 (AT_addr): Add comment.
5539 (print_die): Handle dw_val_class_file.
5540 (print_dwarf_line_table): Update for new file table structure.
5541 (attr_checksum): Do checksum a filename.
5542 (same_dw_val_p, same_attr_p): Do compare a filename.
5543 (size_of_die): Handle dw_val_class_file.
5544 (value_format): Likewise.
5545 (output_die): Likewise. Also, call maybe_emit_file here.
5546 (struct file_info): Constify filenames. Make file_idx a pointer
5547 to a struct dwarf_file_data.
5548 (struct dir_info): Constify directory names. Remove 'used' field.
5549 (struct file_name_acquire_data): New.
5550 (file_name_acquire): New.
5551 (output_file_names): Modify to handle new file data structures.
5552 (add_src_coords_attributes): Use add_AT_file.
5553 (add_call_src_coords_attributes): Likewise.
5554 (dwarf2out_imported_module_or_decl): Likewise.
5555 (gen_subprogram_die): Modify for new file data structures.
5556 (gen_variable_die): Likewise.
5557 (file_table_eq): New.
5558 (file_table_hash): New.
5559 (file_table_last_lookup): New.
5560 (lookup_filename): Rewrite to handle new file data structures.
5561 (maybe_emit_file): Rewrite to handle new file data structures.
5562 (dwarf2out_source_line): Always call lookup_filename and
5564 (dwarf2out_init): Create file_table here.
5565 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5566 (file_table_relative_p): New.
5567 (dwarf2out_finish): Change detection of relative filenames
5568 to work with new file data structures. Move output_line_info call
5569 after debug_info output.
5571 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5576 * config/i386/i386.c (override_options): Always default to 16
5577 byte stack boundary.
5579 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5582 * var-tracking.c (dump_dataflow_set): Start dumping at
5584 (clobber_variable_part): Kill only the variable part in
5585 registers holding it, leaving other variables alone.
5587 2006-09-11 Josh Triplett <josh@freedesktop.org>
5589 * doc/extend.texi (Other Builtins): Actually use the macro
5590 argument in the documentation example for
5591 __builtin_types_compatible_p.
5593 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5595 PR rtl-optimization/28726
5596 * sched-deps.c (sched_analyze_reg): New function extracted from...
5597 (sched_analyze_1): ...here. Call it to analyze references to
5598 registers. Treat again writes to a stack register as writing to the
5600 (sched_analyze_2): ...and here. Call it to analyze references to
5601 registers. Treat again reads of a stack register as reading the
5604 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5605 David Edelsohn <edelsohn@gnu.org>
5608 * config/rs6000/spe.md (frob_df_di): Remove %H.
5609 (frob_di_df): Remove %H. Change evmergelo to mr.
5610 (frob_di_df_2): Remove %H. Change evldd to two loads.
5612 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5614 * doc/cpp.texi: Fix names of charset options.
5616 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5619 * config/i386/i386.c (override_options): Use 128-bit
5620 stack boundary always for 64bits.
5622 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5624 PR rtl-optimization/28636
5625 * combine.c (force_to_mode): Test for side-effects before
5626 substituting by zero.
5627 (simplify_shift_const): Likewise for zero or other constants.
5629 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5632 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5635 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5638 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5639 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5640 returned by mode_for_size, rather than the mode of src itself,
5641 to choose between 32-bit and 64-bit patterns.
5642 (mips_mem_fits_mode_p): New function.
5643 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5644 that the size of the source matches the size of the destination.
5645 (mov_<store>l, mov_<store>r): Likewise.
5647 2006-09-10 Eric Christopher <echristo@apple.com>
5649 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5652 2006-09-09 Eric Christopher <echristo@apple.com>
5655 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5658 2006-09-09 Roger Sayle <roger@eyesopen.com>
5659 Nicolas Setton <setton@adacore.com>
5661 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5663 2006-09-10 Andreas Schwab <schwab@suse.de>
5665 * config/m68k/m68k.md (bungt_rev): New pattern.
5667 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5668 Dale Johannesen <dalej@apple.com>
5671 * regclass.c (struct reg_pref): Update documentation.
5672 (regclass): Set prefclass to NO_REGS if memory is the best option.
5673 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5675 2006-09-08 Eric Christopher <echristo@apple.com>
5677 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5678 * config/t-slibgcc-darwin: Support x86_64 multilib.
5679 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5680 Return 1 for x86_64-darwin.
5681 * config/i386/t-darwin: Add m64 multilib.
5682 (LIB2_SIDITI_CONV_FUNCS): Use.
5683 (LIB2FUNCS_EXTRA): Ditto.
5684 * config/i386/darwin.h: Support x86_64.
5685 * config/i386/i386.c (override_options): Turn on flag_pic
5686 for x86_64-darwin. Disable flag_omit_pointer.
5687 (get_pc_thunk_name): Assert !TARGET_64BIT.
5688 (legitimate_address_p): Disable machopic addressing for
5690 (legitimize_pic_address): Ditto.
5691 (ix86_expand_move): Ditto.
5692 (ix86_expand_call): Ditto.
5693 (machopic_output_stub): Ditto.
5694 * config/darwin.c (machopic_select_section): Support literal16.
5695 (machopic_select_rtx_section): Ditto.
5696 * config/darwin-sections.def: Ditto.
5697 * config/darwin-64.c: New.
5699 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5702 * c-tree.h (struct c_arg_info): Add pending_sizes.
5703 * c-parser.c (c_parser_parms_declarator,
5704 c_parser_parms_list_declarator): Initialize pending_sizes.
5705 * c-decl.c (get_parm_info): Initialize pending_sizes.
5706 (get_parm_info): Set pending_sizes.
5707 (grokdeclarator): Call put_pending_sizes for parameters for
5708 function definition only.
5710 2006-09-07 Jason Merrill <jason@redhat.com>
5713 * varasm.c (output_constant): Only strip actual no-op conversions.
5716 * config/i386/i386.c (override_options): Use 128-bit
5717 stack boundary if -msse.
5719 2006-09-07 Eric Christopher <echristo@apple.com>
5721 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5723 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5726 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5728 * dwarf2out.c: Remove strange characters from comment above
5729 dwarf2out_frame_debug_expr.
5731 2006-09-07 Eric Christopher <echristo@apple.com>
5733 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5734 * config/darwin.h: ... to here.
5736 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5738 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5740 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5741 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5743 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5744 TARGET_PARTIAL_FLAG_REG_STALL.
5745 (*ashldi3_cconly_rex64): Likewise.
5746 (*ashlsi3_cmp): Likewise.
5747 (*ashlsi3_cconly): Likewise.
5748 (*ashlsi3_cmp_zext): Likewise.
5749 (*ashlhi3_cmp): Likewise.
5750 (*ashlhi3_cconly): Likewise.
5751 (*ashlqi3_cmp): Likewise.
5752 (*ashlqi3_cconly): Likewise.
5753 (*ashrdi3_cmp_rex64): Likewise.
5754 (*ashrdi3_cconly_rex64): Likewise.
5755 (*ashrsi3_cmp): Likewise.
5756 (*ashrsi3_cconly): Likewise.
5757 (*ashrsi3_cmp_zext): Likewise.
5758 (*ashrhi3_cmp): Likewise.
5759 (*ashrhi3_cconly): Likewise.
5760 (*ashrqi3_cmp): Likewise.
5761 (*ashrqi3_cconly): Likewise.
5762 (*lshrdi3_cmp_rex64): Likewise.
5763 (*lshrdi3_cconly_rex64): Likewise.
5764 (*lshrsi3_cmp): Likewise.
5765 (*lshrsi3_cconly): Likewise.
5766 (*lshrsi3_cmp_zext): Likewise.
5767 (*lshrhi3_cmp): Likewise.
5768 (*lshrhi3_cconly): Likewise.
5769 (*lshrqi2_cmp): Likewise.
5770 (*lshrqi2_cconly): Likewise.
5772 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5775 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5776 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5777 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5778 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5779 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5780 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5781 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5782 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5783 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5784 implement only CC setting effects of shift instructions.
5786 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5788 * doc/contrib.texi: Add myself.
5790 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5793 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5794 was set by the user.
5796 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5799 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5800 (divsi_inv_m1): Use them.
5801 (UNSPEC_DIV_INV_TABLE): New constant.
5803 2006-09-06 James E Wilson <wilson@specifix.com>
5806 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5807 then call count_or_remove_death_notes.
5809 2006-09-06 Jason Merrill <jason@redhat.com>
5812 * tree-inline.c (copy_result_decl_to_var): New fn.
5813 (declare_return_variable): Use it. Call declare_inline_vars here.
5814 (expand_call_inline): Not here.
5816 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5818 * doc/contrib.texi: Update my entry.
5820 2006-09-06 Nick Clifton <nickc@redhat.com>
5822 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5824 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5827 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5828 (canonicalize_induction_variables): Likewise.
5829 (tree_unroll_loops_completely): Likewise.
5830 (tree_ssa_prefetch_arrays): Likewise.
5831 (remove_empty_loops): Likewise.
5832 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5833 TODO_cleanup_cfg instead of directly calling
5834 cleanup_tree_cfg_loop.
5835 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5837 (tree_unroll_loops_completely): Likewise.
5838 (remove_empty_loops): Likewise.
5839 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5840 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5841 of tree_ssa_unswitch_loops.
5842 (tree_ssa_loop_ivcanon): Use the return value of
5843 canonicalize_induction_variables.
5844 (tree_ssa_empty_loop): Use the return value of
5846 (tree_complete_unroll): Use the return value of
5847 tree_unroll_loops_completely.
5848 (tree_ssa_loop_prefetch): Use the return value of
5849 tree_ssa_prefetch_arrays.
5850 * passes.c (execute_todo): Before Cleanup CFG, set
5851 updating_used_alone and after cleanup CFG, call
5852 recalculate_used_alone.
5854 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5857 * tree-vect-transform.c (vectorizable_condition): Move the check
5858 for the type after the check for simple condition.
5860 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5861 Kaz Kojima <kkojima@gcc.gnu.org>
5864 * mode-switching.c (optimize_mode_switching): Make the destination
5865 block of an abnormal edge have no anticipatable mode. Don't
5866 insert mode switching code at the end of the source block of
5869 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5871 PR rtl-optimization/26847
5872 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5873 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5874 (simplify_plus_minus): Count n_constants while filling ops. Replace
5875 qsort with insertion sort. Before going through the array to simplify
5876 pairs, sort it. Delay early exit until after the first sort, exiting
5877 only if no swaps occurred. Simplify pairs in reversed order, without
5878 special-casing the first iteration. Pack ops after simplifying pairs.
5880 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5882 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5883 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5884 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5885 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5887 2006-09-05 Richard Guenther <rguenther@suse.de>
5889 PR tree-optimization/28900
5890 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5891 compound conditional before creating COND_EXPR condition.
5893 2006-09-05 Richard Guenther <rguenther@suse.de>
5895 PR tree-optimization/28905
5896 * tree-vrp.c (fix_equivalence_set): Manually implement
5897 !value_ranges_intersect_p to also handle symbolic ranges.
5899 2006-09-05 Richard Guenther <rguenther@suse.de>
5902 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5905 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5907 PR rtl-optimization/27616
5908 * cse.c (table_size): New static variable.
5909 (new_basic_block): Initialize it to 0.
5910 (remove_from_table): Decrement it.
5911 (insert): Increment it.
5912 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5913 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5914 fold_rtx_mem_1 if under the cap.
5915 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5916 the lookup of the equivalent expression and test for equality of the
5917 first operand of the equivalent expression before in turn looking up
5918 an equivalent constant for the second operand.
5920 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5923 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5924 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5925 pointer, instead of assuming it is possible to derive the
5926 correct args size from a call insn.
5928 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5931 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5932 (fold_builtin_mempcpy): Rename to...
5933 (fold_builtin_memory_op): ... this. Optimize one element copy
5935 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5937 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5938 (expand_builtin_memcpy, expand_builtin_mempcpy,
5939 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5940 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5941 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5942 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5944 2006-09-01 DJ Delorie <dj@redhat.com>
5946 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5947 (stzx_16): Likewise.
5948 ("stzx_24_<mode>"): Likewise.
5949 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5950 ("cmp<mode>_op"): New.
5951 (cmp<mode>): Change to expander; just save operands.
5953 (b<code>): Change to expander, emit compare here.
5954 (s<code>_op): Change to use split and expander.
5955 (s<code>_24_op): Likewise.
5956 (s<code>_<mode>): New.
5957 (s<code>_<mode>_24): New.
5958 (movqicc_<code>_<mode): New.
5959 (movhicc_<code>_<mode>): New.
5962 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5963 (m32c_pend_compare): New.
5964 (m32c_unpend_compare): New.
5965 (m32c_expand_scc): New.
5966 (m32c_expand_movcc): Emit the compare also.
5967 * config/m32c/predicates.md (mra_nopp_operand): New.
5969 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5970 Richard Guenther <rguenther@suse.de>
5971 Adam Nemet <anemet@caviumnetworks.com>
5974 * builtins.c (get_pointer_alignment): Handle more forms
5975 of base addresses that can be used to derive more precise
5976 information about alignment.
5978 2006-09-01 Jason Merrill <jason@redhat.com>
5981 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5984 * gimplify.c (voidify_wrapper_expr): Handle null type.
5986 2006-09-01 Josh Conner <jconner@apple.com>
5989 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5990 (execute_return_slot_opt): Use it.
5992 2006-08-31 Josh Conner <jconner@apple.com>
5995 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5996 returning aggregates.
5998 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6000 PR tree-optimization/28839
6001 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6002 blocks in that phi arguments appear.
6004 2006-08-31 Roger Sayle <roger@eyesopen.com>
6007 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6008 NULL, otherwise use an advance_loc4 to adjust relative to the
6010 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6011 (dwarf2out_switch_text_section): Reset the current label to avoid
6012 using advance_loc4 over section boundaries.
6014 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6017 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6018 r12 + SYMBOLIC_CONST.
6020 2006-08-30 Richard Guenther <rguenther@suse.de>
6022 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6024 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6026 PR rtl-optimization/27735
6027 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6028 Add new argument to keep track of whether an irreducible region
6029 was affected. All callers changed.
6030 (fix_irreducible_loops): Removed.
6031 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6032 flags were invalidated.
6034 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6036 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6037 instead of SF operands.
6038 (*fop_df_comm_sse): Likewise.
6039 (*fop_df_comm_i387): Likewise.
6040 (*fop_df_1_mixed): Likewise.
6041 (*fop_df_1_sse): Likewise.
6043 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6044 J"orn Rennecke <joern.rennecke@st.com>
6046 PR tree-optimization/17506
6047 * tree-ssa.c (warn_uninit): If warning about a location outside of
6048 the current function, note where the variable was declared.
6050 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6052 PR tree-optimization/28411
6053 * double-int.c (double_int_div): Use double_int_divmod.
6054 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6055 double_int_mod, double_int_smod, double_int_umod): New functions.
6056 * double-int.h (double_int_divmod, double_int_sdivmod,
6057 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6059 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6061 (get_computation_aff, get_computation_cost_at): Handle double_int
6062 return type of constant_multiple_of.
6064 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6067 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6068 an implicit conversion.
6070 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6072 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6074 2006-08-27 Roger Sayle <roger@eyesopen.com>
6076 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6079 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6081 * config/i386/crtfastmath.c: Fix a comment typo.
6083 2006-08-26 Roger Sayle <roger@eyesopen.com>
6085 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6086 temporary visit flags on CASE_LABEL_EXPRs.
6087 * c-common.c (match_case_to_enum): Add function comment. Avoid
6088 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6089 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6090 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6091 a constant, only warn if that constant value isn't handled.
6093 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6096 * input.h (restore_input_file_stack): Declare.
6097 (INPUT_FILE_STACK_BITS): Define.
6098 * toplev.c (fs_p, input_file_stack_history,
6099 input_file_stack_restored, restore_input_file_stack): New.
6100 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6101 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6102 (pop_srcloc): Don't free old state of stack.
6104 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6107 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6108 (PowerPC Type Attributes): New.
6110 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6112 * config/xtensa/xtensa.c (function_arg_boundary): New.
6113 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6115 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6116 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6118 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6121 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6124 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6126 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6127 (verify_local_live_at_start): Likewise.
6129 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6132 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6133 omp_add_variable): Treat sizes as variable whenever not
6136 2006-08-26 Richard Guenther <rguenther@suse.de>
6139 * fold-const.c (fold_binary): Fold temporary to correct
6140 type before constructing new comparison.
6142 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6145 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6146 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6148 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6151 * c-decl.c (start_function): Don't try to process prototype
6152 information from old declaration that isn't a function.
6154 2006-08-25 Jan Hubicka <jh@suse.cz>
6157 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6159 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6162 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6165 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6167 PR tree-optimization/16876
6168 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6169 exit if PARM doesn't match VALUE.
6171 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6173 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6174 literal_prefix directive.
6175 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6176 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6177 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6179 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6182 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6183 predicate to general_operand. Add 0->y and I->r alternatives.
6185 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6187 * doc/tm.texi: Fix a typo.
6188 * predict.c: Fix comment typos.
6190 2006-08-25 Nick Clifton <nickc@redhat.com>
6192 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6193 assertions of "cpu" and "machine".
6195 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6198 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6199 the access through a base which has an alias set of 0 cannot
6202 2006-08-24 Bill Wendling <wendling@apple.com>
6204 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6206 2006-08-24 Jan Hubicka <jh@suse.cz>
6208 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6210 2006-08-24 Jan Hubicka <jh@suse.cz>
6213 * cgraph.c: Fix comments.
6214 (cgraph_varpool_mark_needed_node): Mark only variables not already
6216 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6217 (cgraph_varpool_assembled_nodes_queue): New static variable.
6218 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6219 (cgraph_varpool_output_debug_info): New function.
6220 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6221 * Makefile.in: Add gt-cgraphunit.h
6223 2006-08-24 Jan Hubicka <jh@suse.cz>
6225 * predict.c (probability_reliable_p): New predicate.
6226 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6227 (predict_loops): Do not predict loop exit with less than 2%
6229 * basic-block.h (edge_probability_reliable_p,
6230 br_prob_note_reliable_p): Declare.
6231 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6232 prediction when static predictor is not reliable.
6233 * rs6000.c (output_cbranch): Likewise.
6235 2006-08-23 Stuart Hastings <stuart@apple.com>
6238 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6239 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6241 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6244 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6245 complex values, nor for generic vector values.
6247 2006-08-22 Richard Guenther <rguenther@suse.de>
6250 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6251 parameter. Convert arguments to arithmetic expression to the
6253 (analyze_scalar_evolution_1): Adjust caller.
6255 2006-08-22 Jan Hubicka <jh@suse.cz>
6257 Patch by Paolo Bonzini
6258 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6261 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6263 PR tree-optimization/28003
6264 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6265 before grouping aliases.
6267 2006-08-22 Roger Sayle <roger@eyesopen.com>
6269 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6270 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6272 2006-08-21 Jason Merrill <jason@redhat.com>
6275 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6276 wrapper. Loop to handle nested wrappers.
6277 (gimplify_bind_expr): Remove temp parameter.
6278 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6279 and STATEMENT_LIST on the rhs.
6280 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6281 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6282 (gimplify_target_expr): Remove special BIND_EXPR handling.
6284 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6286 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6289 2006-08-21 Olivier Hainque <hainque@adacore.com>
6291 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6292 Arrange for the temporary captures of components overlapping the lhs
6293 to happen before the lhs is possibly cleared.
6295 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6297 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6298 necessary places to pass the correct "number of registers" values
6301 2006-08-20 Jan Hubicka <jh@suse.cz>
6303 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6304 (create_name_tags): Instead of quadratic checking use hashtable.
6305 * bitmap.h: Include hashtab.h.
6306 (bitmap_hash): Declare.
6307 * bitmap.c (bitmap_hash): New function.
6309 2006-08-20 Jan Hubicka <jh@suse.cz>
6311 PR rtl-optimization/28071
6312 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6314 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6315 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6316 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6317 cgraph_decide_inlining_incrementally): Update use of
6318 cgraph_check_inline_limits.
6319 * cgraph.c (edge_hash, edge_eq): New function.
6320 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6321 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6322 cgraph_remove_node): Maintain call site hash.
6323 * cgraph.h (struct cgraph_node): Add call_site_hash.
6324 (cgraph_set_call_stmt): New function.
6326 2006-08-20 Jan Hubicka <jh@suse.cz>
6328 PR rtl-optimization/28071
6329 * reload1.c (reg_has_output_reload): Turn into regset.
6330 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6331 choose_reload_regs, emit_reload_insns): Update to new
6332 reg_has_output_reload.
6334 2006-08-20 Jan Hubicka <jh@suse.cz>
6337 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6338 function body sizes.
6339 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6341 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6344 * tree.c (handle_dll_attribute): Return early if not a
6345 var or function decl.
6347 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6350 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6351 alignment of SPE vector types.
6353 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6355 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6357 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6360 * cgraph.h (struct cgraph_node): Remove externally_visible
6362 * cgraphunit.c (process_function_and_variable_attributes): Set
6363 local.externally_visible rather than externally_visible.
6366 * c-common.c (handle_externally_visible_attribute): First look
6367 at TREE_CODE and only if it is function or var decl, check for
6368 non-public objects. Don't warn for DECL_EXTERNAL.
6369 * cgraphunit.c (process_function_and_variable_attributes): Warn
6370 if externally_visible attribute is used on non-public object.
6372 2006-08-17 Jan Hubicka <jh@suse.cz>
6374 PR tree-optimization/27865
6375 * reload1.c (forget_marked_reloads): New function.
6376 (forget_old_reloads_1): When data are passed, just mark the registers
6378 (reload_as_needed): Use the new mechanizm.
6380 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6383 * reload.h (reg_equiv_alt_mem_list): New declaration.
6384 * reload1.c (reg_equiv_alt_mem_list): New definition.
6385 (reload): Initialize it and release it.
6386 (delete_output_reload): Use it.
6387 * reload.c (push_reg_equiv_alt_mem): New function.
6388 (find_reloads_toplev): Call it.
6389 (find_reloads_address, find_reloads_address_1): Likewise.
6390 (find_reloads_subreg_address): Likewise.
6392 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6394 PR rtl-optimization/28489
6395 * sched-ebb.c (begin_schedule_ready): Create basic block
6397 (advance_target_bb): Skip empty blocks.
6398 * haifa-sched.c (bb_note): Make global.
6399 * sched-int.h (bb_note): Add prototype.
6401 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6403 PR tree-optimization/27865
6404 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6406 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6407 fold_used_pointer, pointer_used_p): New functions.
6408 (analyze_scalar_evolution_1): Use fold_used_pointer.
6409 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6410 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6413 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6416 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6417 or the INTEGER_CST. Fail on a CALL_EXPR.
6418 (fold_offsetof): Pass new argument to fold_offsetof_1.
6419 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6420 operand into an INDIRECT_REF.
6421 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6423 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6425 PR gcov/profile/26570
6426 * value-prof.c (static_values): Removed.
6427 (tree_find_values_to_profile): Do not set static_values.
6428 (find_values_to_profile): Do not free static_values.
6429 * profile.c (instrument_values): Do not free the values.
6430 (branch_prob): Free the values.
6432 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6434 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6436 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6439 * c-typeck.c (build_component_ref): Combine qualifiers of
6440 structure or union and field.
6442 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6444 PR rtl-optimization/28071
6445 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6446 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6447 * tree-into-ssa.c (struct dom_dfsnum): New.
6448 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6450 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6451 compute_global_livein.
6452 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6453 in phi nodes in the correct blocks.
6455 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6457 PR tree-optimization/28364
6458 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6460 (fold_affine_expr): New function.
6461 (may_eliminate_iv): Use fold_affine_expr.
6463 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6466 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6469 2006-08-16 Mike Stump <mrs@apple.com>
6471 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6472 * doc/cppopts.texi (-MD): Likewise.
6474 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6477 * c-common.c (handle_weak_attribute): Ignore and warn if
6478 not a FUNCTION_ or VAR_DECL.
6480 2006-07-15 Mike Stump <mrs@apple.com>
6483 * c-parser.c (c_parser_typeof_specifier): Don't use
6484 c_finish_expr_stmt, open code desired semantics instead.
6486 2006-08-15 Nick Clifton <nickc@redhat.com>
6488 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6489 fragment to tmake_file only if threads are enabled.
6490 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6491 * config/i386/t-gthr-win32: New file. ... here.
6493 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6496 * c-parser.c (c_parser_compound_statement_nostart): Reset
6497 parser->error after each statement.
6499 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6502 * omp-low.c (lower_omp_parallel): Convert t to
6503 receiver_decl's type.
6504 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6505 source before comparison.
6508 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6509 to itype in assignment to oldival2.
6511 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6515 * c-typeck.c (build_compound_expr): If the second expression
6516 is an error mark, then just return an error mark instead of
6517 creating a COMPOUND_EXPR.
6519 2006-07-14 Mike Stump <mrs@apple.com>
6521 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6523 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6525 * c-decl.c, var-tracking.c: Fix comment typos.
6527 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6529 PR rtl-optimization/28634
6530 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6531 for floating-point modes unless flag_unsafe_math_optimizations.
6533 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6534 Andrew Pinski <pinskia@physics.uc.edu>
6537 * tree.c (build_array_type): Unify array types with
6538 unspecified index_type.
6539 * c-decl.c (grokdeclarator): Make sure we do not modify a
6540 unified incomplete array type.
6541 * c-typeck.c (store_init_value): Create distinct type before
6542 filling in the index type in an initializer from a compound
6545 * c-decl.c (grokdeclarator): Remove code where we copy the
6548 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6550 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6551 into account for TODO_dump_cgraph.
6552 (TODO_update_ssa_no_phi): Likewise.
6553 (TODO_update_ssa_full_phi): Likewise.
6554 (TODO_update_ssa_only_virtuals): Likewise.
6555 (TODO_remove_unused_locals): Likewise.
6556 (TODO_set_props): Likewise.
6557 (TODO_update_stmt_usage): Likewise.
6559 2006-08-13 Dirk Mueller <dmueller@suse.de>
6561 * c-common.c (strict_aliasing_warning): Fix formatting.
6563 2006-08-13 Matthias Klose <doko@debian.org>
6565 * doc/invoke.texi: Fix spelling errors.
6567 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6569 PR rtl-optimization/23454
6570 * reorg.c (relax_delay_slots): Update comment.
6572 2006-08-11 Richard Guenther <rguenther@suse.de>
6575 * simplify-rtx.c (simplify_const_relational_operation):
6576 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6579 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6581 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6582 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6584 2006-08-10 Paul Brook <paul@codesourcery.com>
6586 * final.c (final_scan_insn): Clear current_insn_predicate before
6587 outputting inline asm.
6589 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6591 PR tree-optimization/26197
6592 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6593 get_ref_base_and_extent and overlap_subvar to add only relevant
6594 subvars as may-aliases.
6595 (add_may_alias_for_new_tag): New function, factored out of
6597 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6598 with additional argument.
6599 * tree-flow.h (new_type_alias): Takes additional argument.
6601 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6603 * gcov.c (no_data_file): New flag.
6604 (read_count_file): Set it if data file not present. Assume counts
6606 (output_lines): Don't name the data file, if there wasn't one.
6608 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6610 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6611 (rs6000_generate_compare): Tweak comments.
6612 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6614 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6616 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6617 (var_debug_decl): New function.
6618 (var_reg_set): Follow debug decl link. Add location even if
6619 reg is already known to hold some other variable.
6620 (var_mem_set): Follow debug decl link.
6621 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6622 decl link. Delete other known locations of the variable part
6624 (var_reg_delete, var_mem_delete): Delete other known locations
6625 of the variable part if requested.
6626 (same_variable_part_p): New function.
6627 (add_stores): Select MO_COPY when appropriate.
6628 (vt_initialize): Handle it.
6629 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6630 known locations for MO_SET and MO_CLOBBER.
6631 (find_variable_location_part): New function.
6632 (set_variable_part, delete_variable_part): Use it.
6633 (clobber_variable_part): New function.
6634 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6637 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6639 PR tree-optimization/26969
6640 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6641 with an empty list of PHIs.
6643 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6647 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6650 2006-08-06 Andreas Schwab <schwab@suse.de>
6652 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6653 string. Whitespace and comment fixup.
6655 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6658 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6662 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6665 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6667 2006-08-04 Jan Hubicka <jh@suse.cz>
6671 * reload.c (push_reload): Patch out the mismatching instruction;
6673 (find_reload): Bail out if the instruction was patched out.
6675 2006-08-04 Jan Hubicka <jh@suse.cz>
6677 PR tree-optimization/24888
6678 * tree-inline.c (expand_call_inline): Do not re-record variables.
6679 (declare_inline_vars): Add variable to unexpanded_var_list.
6681 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6682 Roger Sayle <roger@eyesopen.com>
6684 PR rtl-optimization/26244
6685 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6686 inner_const are negative or greater than or equal to the bitsize of
6687 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6688 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6689 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6690 CONST0_RTX (mode) when the new shift count is greater than or equal to
6691 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6694 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6696 * tree-cfg.c: Fix a comment typo.
6698 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6701 * varasm.c (output_constant): Give the front end another chance to
6702 expand constants, after stripping NOPs.
6704 2006-08-03 Jan Hubicka <jh@suse.cz>
6706 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6709 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6711 PR tree-optimization/27770
6712 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6713 declaration removed (moved to tree-flow.h).
6714 (vect_can_force_dr_alignment_p): Likewise.
6715 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6716 (moved from tree-vectorizer.h).
6717 (vect_can_force_dr_alignment_p): Likewise.
6718 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6719 from outside the vectorizer - in particular from cgraph stage.
6720 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6721 the alignment of global arrays when -fsection-anchors is enabled.
6722 * cgraphunit.c (cgraph_increase_alignment): New function.
6723 (cgraph_optimize): Call cgraph_increase_alignment.
6725 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6728 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6729 not reload a SPE symbol_ref into a lo_sum address.
6731 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6734 * dwarf2out.c (prune_unused_types_prune): Move call to
6735 prune_unused_types_update_strings to cover the parent DIE also.
6737 2006-08-02 Jan Hubicka <jh@suse.cz>
6739 PR gcov/profile/28480
6740 * tree-cfg.c (change_bb_for_stmt): New function.
6741 (tree_merge_blocks, tree_split_blocks): Use it.
6743 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6749 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6750 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6751 (cgraph_optimize): Likewise.
6753 2006-08-01 Stuart Hastings <stuart@apple.com>
6755 * rtl.h (UINTVAL) New.
6756 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6757 * testsuite/gcc.dg/20060801-1.c: New.
6759 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6762 * c-typeck.c (build_external_type): Mark used enum types.
6763 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6765 (gen_subprogram_die): Whitespace fix.
6767 2006-08-01 Jan Hubicka <jh@suse.cz>
6769 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6770 bitmap when not needed.
6771 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6774 2006-08-01 Dirk Mueller <dmueller@suse.de>
6776 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6778 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6780 * Makefile.in: Revert part of previous patch:
6781 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6784 2006-07-30 Eric Christopher <echristo@apple.com>
6787 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6788 (PowerPC Variable Attributes): New section.
6790 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6792 PR target/28126 (partial fix)
6793 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6795 2006-07-28 Jan Hubicka <jh@suse.cz>
6797 PR rtl-optimization/28071
6798 * cfgrtl.c (rtl_delete_block): Free regsets.
6799 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6801 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6803 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6804 and variables used in dependencies.
6806 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6808 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6809 %fs for -mcmodel=kernel.
6810 (stack_tls_protect_test_di): Likewise.
6812 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6814 * Makefile.in: Use mkinstalldirs.
6816 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6819 * opts-common.c (prune_options): Skip joined switches.
6821 2006-07-27 Jan Hubicka <jh@suse.cz>
6823 PR rtl-optimization/28071
6824 * cselib.c (cselib_process_insn): Don't remove useless values too
6825 often for very large hashtables.
6827 2006-07-27 Jan Hubicka <jh@suse.cz>
6829 PR rtl-optimization/28071
6830 * global.c (greg_obstack): New obstack.
6831 (allocate_bb_info): Use it.
6832 (free_bb_info): Likewise.
6833 (modify_reg_pav): Likewise.
6835 2006-07-27 Roger Sayle <roger@eyesopen.com>
6837 * builtins.c (fold_fixed_mathfn): When long and long long are the
6838 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6839 functions to their lceil*, lfloor*, lround* and lrint* forms.
6841 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6844 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6846 (rev_branch_insn): Likewise.
6848 2006-07-27 Jan Hubicka <jh@suse.cz>
6850 PR rtl-optimization/28071
6851 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6852 (reg_set_in_bb, max_reg_computed): New static variables.
6853 (regmove_optimize): Free the new array.
6854 (fixup_match_1): Update call of reg_is_remote_constant_p.
6856 2006-07-26 Jan Hubicka <jh@suse.cz>
6858 PR tree-optimization/27882
6859 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6861 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6863 (cgraph_analyze_compilation_unit): Likewise.
6864 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6865 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6866 (cgraph_early_inlinine): Make order garbage collected.
6867 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6869 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6871 * dbxout.c (output_types_sort): Add a comment.
6872 (output_used_types): Free the VEC.
6874 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6876 * function.c (reorder_fix_fragments): Delete.
6877 (reorder_blocks): Don't call it.
6878 (reorder_blocks_1): Put all subblocks under the origin block.
6880 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6882 PR rtl-optimization/27907
6883 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6886 2006-07-25 Roger Sayle <roger@eyesopen.com>
6889 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6890 bar(x) check that bar's result type can represent all the values of T.
6892 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6894 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6896 2006-07-25 Nick Clifton <nickc@redhat.com>
6898 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6899 size_lookup[] array.
6900 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6901 (ggc_pch_count_object): Likewise.
6902 (ggc_pch_alloc_object): Likewise.
6903 (ggc_pch_write_object): Likewise.
6904 (init_ggc): Do not attempt to initialize entries in the
6905 size_lookup[] array for objects whose size is greater than than
6906 the length of the array.
6908 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6910 * dbxout.c (output_used_types_helper): Push queued types
6912 (output_types_sort): New.
6913 (output_used_types): Collect used types on a VEC and sort them
6916 2006-07-24 Richard Guenther <rguenther@suse.de>
6919 * cgraph.c (cgraph_remove_node): Do not check if dumps
6921 * cgraphunit.c (cgraph_optimize): Likewise.
6923 2006-07-24 Jan Hubicka <jh@suse.cz>
6925 PR rtl-optimization/28071
6926 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6927 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6928 splitting before first stmt.
6930 2006-07-24 Jan Hubicka <jh@suse.cz>
6932 PR rtl-optimization/28071
6933 * ipa-inline.c (update_caller_keys): Remove edges that
6934 are no longer inline candidates.
6936 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6939 * dbxout.c (output_used_types_helper, output_used_types): New.
6940 (dbxout_symbol): Call output_used_types.
6942 2006-07-23 Jan Hubicka <jh@suse.cz>
6946 * cgraph.c (cgraph_varpool_nodes): Export.
6947 (decide_is_variable_needed): Ignored "used" attribute in
6948 unit-at-a-time mode.
6949 * cgraph.h (cgraph_varpool_nodes): Declare.
6950 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6951 unit-at-a-time mode.
6953 2006-07-23 Roger Sayle <roger@eyesopen.com>
6956 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6957 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6958 the __gthrw form of thr_keycreate.
6959 (__gthread_key_delete): Silence the unused argument warning.
6961 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6964 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6965 Cache the last found '\0' marker to avoid quadratic behavior.
6967 2006-07-23 Jan Hubicka <jh@suse.cz>
6969 * i386.md (subsi_3_zext): Fix output template.
6971 2006-07-21 Mike Stump <mrs@apple.com>
6973 * doc/invoke.texi (C++ Dialect Options): Note that
6974 -fvisibility-inlines-hidden doesn't affect explicitly
6975 instantiationed inline methods.
6977 2006-07-20 Roger Sayle <roger@eyesopen.com>
6979 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6980 if the target assembler is GNU binutils' gas.
6981 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6982 whether to pass GNU gas or native as command line options.
6984 2006-07-20 Jason Merrill <jason@redhat.com>
6986 * tree.c (remove_attribute): New fn.
6987 * tree.h: Declare it.
6989 2006-07-20 Paul Brook <paul@codesourcery.com>
6992 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6993 they are invalidated by this instruction.
6995 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6998 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7000 2006-07-20 Eric Christopher <echristo@apple.com>
7003 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7005 2006-07-19 Eric Christopher <echristo@apple.com>
7007 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7008 Rewrite dependencies for libgcc_s.1.dylib.
7010 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7012 * except.c (duplicate_eh_regions_1): Clear next_peer.
7014 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7016 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7017 -mlongcall does not guarantee all calls will be long.
7018 * doc/extend.texi (long_call/short_call): Document that longcall
7019 does not guarantee a long call will be used.
7020 (longcall/shortcall): Likewise.
7022 2006-07-18 Roger Sayle <roger@eyesopen.com>
7025 * expmed.c (expand_shift): Additionally check that the shift_cost
7026 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7027 before implementing a LSHIFT_EXPR as a sequence of additions.
7028 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7029 middle-end that DImode shifts need to be synthesized by expand.
7031 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7034 * tree-ssa-operands.c (access_can_touch_variable): Update
7036 Return true if ALIAS is .GLOBAL_VAR.
7038 2006-07-18 David Daney <ddaney@avtrex.com>
7040 * gcc.c (display_help): Fix typo in help text.
7042 2006-07-18 Olivier Hainque <hainque@adacore.com>
7044 * tree.h (categorize_ctor_elements): Adjust prototype and add
7045 descriptive comment, both in accordance with the interface change
7047 * varasm.c (constructor_static_from_elts_p): New function.
7048 Whether a constructor node is a valid static constant initializer
7049 if all its elements are.
7050 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7051 * output.h: Declare it.
7052 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7053 is a valid constant initializer instead of computing the number of
7054 non-constant elements. Use constructor_static_from_elts_p for this
7055 purpose. Replace the head comment with an indication that this is a
7056 helper for categorize_ctor_elements.
7057 (categorize_ctor_elements): Same interface change as for the _1
7058 helper. Former head comment from this helper moved here, adjusted to
7059 account for the interface changes.
7060 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7061 (all_zeros_p): Likewise.
7062 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7063 static versions of the constructor from the categorize_ctor_elements
7064 return value instead of the formerly computed number of non-constant
7067 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7069 * configure: Regenerate.
7070 * Makefile.in (build_libsubdir): New configure substitution
7071 (build_libobjdir): New variable.
7072 (BUILD_LIBIBERTY): Use it.
7074 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7077 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7079 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7082 * c-common.c (handle_weakref_attribute): Ignore attribute in
7083 the same conditions the alias attribute is ignored.
7085 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7087 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7088 (dbxout_begin_prologue): Increment scope_labelno.
7090 2006-07-17 Richard Henderson <rth@redhat.com>
7093 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7096 2006-07-17 Roger Sayle <roger@eyesopen.com>
7097 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7099 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7100 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7101 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7102 functions such as sbrk, write, etc.. Add function prototypes.
7103 Convert function declarations from K&R to ISO C. Cast pointers
7104 to "long" and "unsigned long" instead of "int" and "unsigned int".
7105 Convert tokens following #endif into comments.
7107 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7109 * invoke.texi: Remove mention of f77; Reformat table for
7110 inline parameter options correctly; mention that -malign-double
7111 is default on x86-64 targets.
7113 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7115 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7116 (convert_affine_scev, chrec_convert_aggressive): Use
7117 avoid_arithmetics_in_type_p. Do not check for the subtypes
7120 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7123 * optabs.c (expand_doubleword_shift): Wrap the call to
7124 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7126 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7129 * optabs.c (expand_binop): Pass next_methods rather than methods
7130 to expand_doubleword_shift.
7132 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7135 * tree.h (dump_addr): Declare.
7136 * print-tree.c (dump_addr): New function.
7137 (print_node_brief, print_node): Use it.
7138 * print-rtl.c (print_rtx): Likewise.
7139 * common.opt (-fdump-noaddr): New option.
7140 * doc/invoke.texi (-fdump-noaddr): Document.
7141 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7142 (ve_info_hash): Likewise.
7144 2006-07-13 Andrew Haley <aph@redhat.com>
7146 PR tree-optimization/19505
7147 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7148 edge leaving this block, make sure that the destination of this
7149 block has only one predecessor.
7151 2006-07-17 Richard Guenther <rguenther@suse.de>
7153 PR tree-optimization/28238
7154 * tree-inline.c (copy_bb): Check if we produced valid
7155 gimple copying and substituting a stmt. If not, gimplify
7158 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7160 * optabs.c (maybe_encapsulate_block): New function extracted from...
7161 (emit_libcall_block): ...here. Invoke it on the block of insns to
7162 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7163 (emit_no_conflict_block): Likewise.
7165 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7167 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7169 2006-07-15 Roger Sayle <roger@eyesopen.com>
7171 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7172 a new NOP_EXPR case of the switch statement.
7174 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7177 * stor-layout.c (place_field): Take the bit field with
7178 an excessive size into account in the ms-bitfiled case.
7181 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7182 the previous bit field.
7184 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7187 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7189 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7191 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7192 signal frames correctly even when the signal was installed with
7195 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7197 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7198 (dbxout_function_end): Use local label LFBB. Remove hook
7200 (dbxout_source_line): Use local label LFBB.
7201 (dbxout_block): Likewise.
7202 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7203 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7204 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7205 and DBX_OUTPUT_NFUN.
7207 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7209 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7211 2006-07-13 Jan Hubicka <jh@suse.cz>
7213 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7215 * output.h (align_variable): Declare.
7216 * varasm.c (align_variable): Export.
7217 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7218 when basic block changed.
7220 2006-07-13 Nick Clifton <nickc@redhat.com>
7222 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7223 walking the LOG_LINKS chain.
7225 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7227 * doc/invoke.texi (C++ Dialect Options): Explain difference
7228 between -fvisibility-inlines-hidden and setting hidden
7229 visibility explicitly.
7231 2006-07-12 Eric Christopher <echristo@apple.com>
7233 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7234 (stmp-lipo): Depend on libgcc.a.
7236 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7238 * tree.c: Fix a comment typo.
7240 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7242 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7244 (umulhisi3_r): Likewise.
7246 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7249 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7250 x < 19, vs wchar_t support.
7252 2006-07-12 Nick Clifton <nickc@redhat.com>
7254 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7255 instead of -isa=sh4.
7257 2006-07-12 Mike Stump <mrs@apple.com>
7259 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7261 2006-07-10 Eric Christopher <echristo@apple.com>
7263 * config/t-slibgcc-darwin: Rewrite.
7265 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7268 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7271 2006-07-08 Matthias Klose <doko@debian.org>
7273 * doc/sourcebuild.texi: Fix typo.
7275 2006-07-07 Mike Stump <mrs@apple.com>
7277 * toplev.c (process_options): Don't give -ffunction-sections may
7278 affect debugging warning for Mach-O.
7280 2006-07-07 James E Wilson <wilson@specifix.com>
7282 * config/mips/mips.md (cpu): Add sb1a.
7283 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7284 addition to sb1. Adjust comments to clarify SB-1A differences from
7286 (ir_sb1a_load): New. Modify bypasses to use it.
7287 (ir_sb1a_simple_alu): Likewise.
7288 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7289 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7290 (mips_issue_rate): Add PROCESSOR_SB1A.
7291 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7292 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7293 (TARGET_SB1): Add PROCESSOR_SB1A check.
7294 (TUNE_SB1): Likewise.
7296 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7297 * config/mips/mips.c (mips_store_data_bypass_p): New.
7298 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7299 store_data_bypass_p.
7301 2006-07-08 Paul Brook <paul@codesourcery.com>
7304 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7306 2006-07-07 Richard Guenther <rguenther@suse.de>
7309 * tree.h (build_one_cst): Declare.
7310 * tree.c (build_one_cst): New function.
7311 * tree-ssa-math-opts.c (get_constant_one): Remove.
7312 (insert_reciprocals): Use build_one_cst.
7313 * fold-const.c (fold_plusminus_mult): Likewise.
7315 2006-07-07 Roger Sayle <roger@eyesopen.com>
7317 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7318 * cfgloopanal.c (dump_graph): Likewise.
7319 * dojump.c (discard_pending_stack_adjust): Likewise.
7320 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7322 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7323 * function.c (finalize_block_changes): Likewise.
7324 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7325 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7326 * rtl.c (dump_rtx_statistics): Likewise.
7327 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7329 * varray.c (dump_varray_statistics): Likewise.
7330 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7331 decode_decimal64, encode_decimal128, decode_decimal128,
7332 decimal_real_to_decimal): Likewise.
7334 2006-07-07 Richard Guenther <rguenther@suse.de>
7336 PR tree-optimization/28187
7337 * tree-vrp.c (vrp_operand_equal_p): New function.
7338 (vrp_bitmap_equal_p): Likewise.
7339 (update_value_range): Use them to compare old and new
7342 2006-07-06 Roger Sayle <roger@eyesopen.com>
7344 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7345 a default case to switch statement to silence compiler warnings.
7347 2006-07-06 Roger Sayle <roger@eyesopen.com>
7350 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7351 the configured assembler supports the x87's ffreep mnemonic.
7352 * configure: Regenerate.
7353 * config.in: Regenerate.
7355 * config/i386/i386.c (output_387_ffreep): New function.
7356 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7357 (output_387_reg_move): Likewise.
7359 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7361 Port to hosts whose 'sort' and 'tail' implementations
7362 treat operands with leading '+' as file names, as POSIX
7363 has required since 2001. However, make sure the code still
7364 works on pre-POSIX hosts.
7365 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7366 which says you should use "tail -c +N" rather than "tail +Nc".
7367 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7369 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7371 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7374 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7377 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7378 PRE_{INC,DEC} of TFmode.
7380 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7381 Alan Modra <amodra@bigpond.net.au>
7384 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7387 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7390 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7391 Remove duplicate gtu.
7393 2006-07-05 Jason Merrill <jason@redhat.com>
7397 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7398 * c-common.c (handle_packed_attribute): So don't copy it here.
7399 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7401 2006-07-05 Mike Stump <mrs@apple.com>
7403 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7405 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7408 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7410 2006-07-05 Richard Guenther <rguenther@suse.de>
7413 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7414 TARGET_SSE2 targets if using SSE math.
7415 (*absdf2_1): Likewise.
7417 2006-07-05 Richard Guenther <rguenther@suse.de>
7419 PR tree-optimization/28162
7420 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7421 make sure to convert the operands to the correct type.
7423 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7425 PR tree-optimization/28218
7427 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7428 to calculate and free the dominator information.
7430 2006-07-04 Peter O'Gorman <peter@pogma.com>
7432 * mklibgcc.in: chmod 644 before ranlib during install.
7434 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7435 J"orn Rennecke <joern.rennecke@st.com>
7437 * configure.ac (.eh_frame data check): Use diff -b.
7439 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7442 * Makefile.in (BUILD_RTL): Add build/vec.o.
7443 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7444 (build/genextract): Delete.
7445 (build/genautomata): Likewise.
7447 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7450 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7451 128-bit IBM long doubles for ABI_V4.
7453 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7455 * tree.c (range_in_array_bounds_p): New predicate.
7456 * tree.h (range_in_array_bounds_p): Declare it.
7457 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7458 return a less conservative answer.
7459 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7460 and flag 'is_group'.
7461 (IS_ELEMENT_FOR_GROUP): New macro.
7462 (FOR_EACH_ACTUAL_CHILD): Likewise.
7463 (next_child_for_group): New helper function.
7464 (can_completely_scalarize_p): Take into account groups.
7465 (sra_hash_tree): Handle RANGE_EXPR.
7466 (sra_elt_eq): Likewise.
7467 (lookup_element): Be prepared for handling groups.
7468 (is_valid_const_index): Delete.
7469 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7470 instead of is_valid_const_index.
7471 <ARRAY_RANGE_REF>: New case.
7472 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7473 is_valid_const_index.
7474 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7475 (scan_dump): Dump info for groups too.
7476 (decide_instantiation_1): Likewise.
7477 (decide_block_copy): Assert that the element is not a group.
7478 Propagate decision to groups.
7479 (generate_one_element_ref): Handle RANGE_EXPR.
7480 (mark_no_warning): Iterate over actual childs.
7481 (generate_copy_inout): Likewise.
7482 (generate_element_copy): Likewise.
7483 (generate_element_zero): Likewise.
7484 (generate_element_init_1): Likewise.
7485 (dump_sra_elt_name): Handle RANGE_EXPR.
7487 2006-07-03 Roger Sayle <roger@eyesopen.com>
7489 PR tree-optimization/26251
7490 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7491 (thread_block): When optimizing for size refuse to thread jumps
7492 that would require duplication of blocks other than redirection
7495 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7497 * configure.ac: Fix thinko in previous check-in.
7498 * configure: Regenerate.
7500 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7503 * configure.ac (for lang...): Simplify nesting of conditionals.
7504 Test subdir_requires for non-enabled languages. Move processing
7505 of lang_opt_files and lang_tree_fiels below that test.
7506 * configure: Regenerate.
7507 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7509 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7511 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7513 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7515 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7518 2006-06-29 Jason Merrill <jason@redhat.com>
7525 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7526 * c-common.c (c_determine_visibility): Handle it here.
7527 * c-decl.c (finish_decl): Call c_determine_visibility for
7529 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7531 * varasm.c (default_assemble_visibility): Likewise.
7532 * c-common.c (handle_visibility_attribute): Complain about trying
7533 to give visibility to an already defined class, or trying to change
7534 declared visibility. Always attach the attribute.
7539 * attribs.c (decl_attributes): Ignore type-in-place attributes
7540 once the type has been defined.
7542 2006-06-29 Roger Sayle <roger@eyesopen.com>
7545 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7546 to indicate the cpplib has issued an error message for us.
7548 2006-06-29 Asher Langton <langton2@llnl.gov>
7551 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7552 insert a label at the end of an function under Mach-O.
7554 2006-06-29 Eric Christopher <echristo@apple.com>
7555 Evan Cheng <evan.cheng@apple.com>
7557 * predicates.md (vector_all_ones_operand): New.
7558 (nonimmediate_or_sse_const_operand): Ditto.
7559 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7560 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7561 (standard_sse_mode_p): Ditto.
7562 (standard_sse_constant_p): Add case for -1 vector.
7563 (ix86_expand_vector_move): Try to use.
7564 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7565 Call standard_sse_constant_opcode.
7566 (*movv4sf_internal): Ditto.
7567 (*movv2df_internal): Ditto.
7569 2006-06-29 Roger Sayle <roger@eyesopen.com>
7571 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7572 of XEXP to extract the operands of a MATCH_CODE rtx.
7574 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7576 * tree.c (tree_size): Do not waste tail padding in
7577 struct tree_string and make the size be the same as
7578 build_string will generate.
7580 2006-06-28 Jason Merrill <jason@redhat.com>
7583 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7584 may_aliases already in the tag's annotations to the bitmap.
7586 2006-06-28 Roger Sayle <roger@eyesopen.com>
7588 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7590 2006-06-28 Roger Sayle <roger@eyesopen.com>
7592 * genpreds.c (generate_switch_p): New function.
7593 (add_mode_tests): Push the new mode test down inside an AND expr
7594 if this allows the switch-suitable MATCH_CODE to be near the root.
7595 (write_match_code_switch): New function to write a MATCH_CODE as
7597 (write_predicate_stmts): New function to write a predicate RTX
7598 expression as a sequence of statements.
7599 (write_one_predicate_function): Use write_predicate_stmts.
7600 (write_tm_constrs_h): Likewise.
7602 2006-06-26 Fred Fish <fnf@specifix.com>
7604 * config/mips/t-sb1: New file.
7605 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7608 2006-06-26 DJ Delorie <dj@redhat.com>
7610 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7612 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7613 Jayant Sonar <jayants@kpitcummins.com>
7614 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7616 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7617 (subsi3, subsi3_1, subsi3_2): New.
7618 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7619 * config/m32c/mov.md (SI mov peephole): New.
7620 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7621 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7623 2006-06-26 Olivier Hainque <hainque@adacore.com>
7625 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7626 a CALL_EXPR target function declaration.
7628 2006-06-26 Richard Guenther <rguenther@suse.de>
7630 * tree.c (build_string): Do not waste tail padding in
7633 2006-06-26 Richard Guenther <rguenther@suse.de>
7635 * ggc-page.c (init_ggc): Add missing element to size_lookup
7639 2006-06-23 Richard Guenther <rguenther@suse.de>
7641 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7642 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7643 alignment requests instead. Add verification code.
7644 Add struct tree_function_decl and struct tree_binfo size to
7645 extra_order_size_table. Add missing element to size_lookup
7648 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7651 * fold-const.c (const_binop): Be prepared for self returning zero.
7652 Simplify code handling complex values.
7654 2006-06-24 Olivier Hainque <hainque@adacore.com>
7656 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7657 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7660 2006-06-24 Olivier Hainque <hainque@adacore.com>
7662 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7663 ARRAY_REF, so have the callback called for the low bound expression.
7665 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7667 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7668 * c-typeck.c (c_common_type): Disallow operations on decimal float
7669 types and other float types.
7670 * convert.c (convert_to_real): Don't ignore conversions involving
7671 decimal float types.
7673 2006-06-23 Olivier Hainque <hainque@adacore.com>
7675 * tree.c (max_int_size_in_bytes): New function, inspired from
7676 code in function.c:assign_temp.
7677 * tree.h (max_int_size_in_bytes): Declare.
7678 * function.c (assign_temp): Use it.
7679 * gimplify.c (create_tmp_var): Relax the assertions on the type
7680 properties, not mandating constant size any more.
7681 (force_constant_size): New static function.
7682 (gimple_add_tmp_var): Use it, forcing variable size to a
7683 constant upper bound if it is not constant on entry.
7685 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7688 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7689 for initialization and setting of one_only flag to ...
7690 (i386_pe_encode_section_info): ...here.
7691 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7692 Recheck that the symbol has not been defined.
7694 2006-06-23 Richard Guenther <rguenther@suse.de>
7696 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7697 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7698 alignment requests instead. Add verification code.
7699 Add struct tree_function_decl and struct tree_binfo size to
7700 extra_order_size_table. Add missing element to size_lookup
7703 2006-06-22 Roger Sayle <roger@eyesopen.com>
7704 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7707 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7708 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7710 2006-06-23 Ben Elliston <bje@au.ibm.com>
7712 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7713 negate dn -- manipulate it directly.
7715 2006-06-22 Roger Sayle <roger@eyesopen.com>
7716 Steven Bosscher <stevenb.gcc@gmail.com>
7719 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7720 generated by gen_move_insn to add REG_LABEL notes if necessary.
7722 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7724 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7725 (leaf_entry): Remove use of MIN_ESA.
7727 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7729 PR rtl-optimization/28121
7730 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7733 2006-06-21 DJ Delorie <dj@redhat.com>
7735 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7737 (mulhisi3_r): Likewise.
7739 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7742 * coverage.c (coverage_counter_alloc): Leave the index type
7744 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7747 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7749 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7750 section from the "Options for Code Generation Conventions".
7752 2006-06-21 Richard Henderson <rth@redhat.com>
7756 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7758 (global_symbolic_operand): Allow weak symbols, even if local_p.
7760 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7762 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7763 (find_interesting_uses_address): Punt if above function returns true.
7765 2006-06-21 Richard Guenther <rguenther@suse.de>
7767 * configure: Regenerated.
7769 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7771 * config/mips/mips.c (function_arg): Where one part of a
7772 complex argument is in registers and the other part in the stack,
7773 return a REG not a PARALLEL.
7775 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7777 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7778 when cross-compiling. Do not substitute libstdcxx_incdir.
7779 * configure: Regenerated.
7781 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7783 * varasm.c (mergeable_string_section): Check for embedded NULs and
7784 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7785 rather than TREE_STRING_LENGTH bytes.
7787 2006-06-21 Richard Guenther <rguenther@suse.de>
7789 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7790 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7793 2006-06-21 Richrad Guenther <rguenther@suse.de>
7795 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7796 Limit iteration over the dominators.
7798 2006-06-20 Roger Sayle <roger@eyesopen.com>
7800 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7801 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7803 2006-06-20 Richard Guenther <rguenther@suse.de>
7804 Michael Matz <matz@suse.de>
7806 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7808 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7809 * et-forest.h (et_free_pools): Prototype new function.
7810 * et-forest.c (et_free_tree_force): Free parent occurrence.
7811 (et_free_pools): New function.
7812 * dominance.c (free_dominance_info): Free et-forest alloc
7815 2006-06-20 Roger Sayle <roger@eyesopen.com>
7817 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7818 integer modes, attempt to directly construct an integer constant.
7820 * fold-const.c (native_encode_vector): Determine the size of each
7821 element from the vector type instead of the first vector element.
7823 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7824 if all of its elements/components are constant.
7825 (build_constructor_from_list): Likewise.
7827 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7829 PR tree-optimization/27331
7830 * tree-data-ref.c (free_data_ref): New function.
7831 (create_data_ref): Fail if the data reference has unknown access
7833 (free_data_refs): Use free_data_ref.
7835 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7838 * tree-inline.c (setup_one_parameter): Strip useless
7839 type conversion before adding it to the IR.
7840 (declare_return_variable): Likewise.
7842 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7845 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7847 2006-06-19 Mike Stump <mrs@apple.com>
7849 * tree.c (variably_modified_type_p): VM arguments don't make the
7852 2006-06-19 Richard Guenther <rguenther@suse.de>
7854 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7855 type conversions after folding.
7857 2006-06-19 Richard Guenther <rguenther@suse.de>
7859 * ggc-page.c (extra_order_size_tab): Add entries with
7860 size of struct function and basic_block.
7861 (size_lookup): Extend to cover sizes up to 511.
7862 (ggc_alloc_stat): Adjust user.
7863 (ggc_pch_count_object): Likewise.
7864 (ggc_pch_alloc_object): Likewise.
7865 (ggc_pch_write_object): Likewise.
7867 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7869 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7870 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7873 2006-06-19 Denis Chertykov <denisc@overta.ru>
7875 * config/avr/libgcc.S : Correct my wrong previous commit.
7877 2006-06-19 Roger Sayle <roger@eyesopen.com>
7880 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7881 have stripped a SUBREG from the shift count, so we may need to
7882 convert_to_mode back to the type's mode before calling make_tree.
7883 Use new_amount instead of amount to avoid expanding a tree twice.
7885 2006-06-19 Richard Guenther <rguenther@suse.de>
7888 * fold-const.c (operand_equal_p): Check if the argument types
7889 have the same precision before stripping NOPs.
7891 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7893 Fix PR tree-optimization/27341
7894 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7896 * tree-complex.c (pass_lower_complex): Update SMT usage.
7898 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7900 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7901 Add a new alternative to the constraint strings. Add move of
7902 operand 1 to 3 to the splitter definition.
7903 ("doloop_si_long"): Second contraint alternative removed.
7905 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7907 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7908 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7910 (AVR_HAVE_MOVW) Define.
7911 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7912 (ASM_SPEC): Add avr25.
7913 (LINK_SPEC): Add avr25.
7914 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7915 (base_arch_s): Add new member 'have_movw_lpmx'.
7916 (avr_arch_types): Init 'have_movw_lpmx'.
7917 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7918 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7919 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7920 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7921 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7923 (avr_file_start): Do not output '.arh' derective.
7924 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7925 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7926 * config/avr/avr.md (mcu_enhanced): Delete.
7927 (mcu_have_movw): Define.
7928 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7929 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7930 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7931 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7932 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7933 attiny861 and at86rf401 devices.
7935 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7937 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7940 2006-06-17 Karl Berry <karl@gnu.org>
7942 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7943 doc/gccint.texi, doc/install.texi (@dircategory): Use
7944 "Software development" instead of "Programming", following
7945 the Free Software Directory.
7947 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7949 * config/i386/i386.c (legitimate_tls_address)
7950 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7951 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7952 (*tls_dynamic_gnu2_combine_64): Likewise.
7954 2006-06-16 Richard Guenther <rguenther@suse.de>
7957 * fold-const.c (negate_expr_p): Do not introduce undefined
7958 overflow in negating INTEGER_CSTs.
7959 (fold_negate_expr): Rename from negate_expr. Revert last
7960 change for folding BIT_NOT_EXPR. Change semantics to
7961 return NULL_TREE for non-simplified negations. Do not
7962 strip type conversions and unify type handling.
7963 (negate_expr): New function, wrap around fold_negate_expr
7964 but ensure building a tree always. Strip type conversions
7965 here, fold to result type.
7966 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7968 2006-06-16 Roger Sayle <roger@eyesopen.com>
7971 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7972 that (would) return their results in stack registers.
7974 2006-06-16 Michael Matz <matz@suse.de>
7975 Richard Guenther <rguenther@suse.de>
7977 * fold-const.c (fold_truthop): Only return new tree node if
7978 we canonicalized something.
7980 2006-06-16 Richard Guenther <rguenther@suse.de>
7982 * function.h (enum function_frequency): Move declaration
7983 out of struct function.
7984 (struct function): Move bool fields and the enum to the bitfield
7985 section. Reorder elements to avoid padding. Remove unused
7986 fields left over from the RTL inliner removal.
7987 * function.c (free_after_compilation): Do not zero removed fields.
7988 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7989 (ipa-type-escape.o): Likewise.
7991 2006-06-16 Richard Guenther <rguenther@suse.de>
7993 * cgraph.h (struct cgraph_local_info): Turn bool elements
7995 (struct cgraph_node): Likewise.
7996 (struct cgraph_varpool_node): Likewise.
7998 2006-06-15 Richard Guenther <rguenther@suse.de>
8000 * fold-const.c (fold_truth_not_expr): Rename from
8001 invert_truthvalue. Give it fold_* semantics to avoid
8003 (invert_truthvalue): New function. Wrapper around
8004 fold_truth_not_expr.
8005 (optimize_minmax_comparison): Avoid creating garbage.
8006 (fold_unary): Use fold_truth_not_expr for folding
8008 (fold_ternary): Replace uses of invert_truthvalue with
8009 fold_truth_not_expr where applicable.
8010 * tree.h (fold_truth_not_expr): Prototype.
8012 2006-06-16 Richard Guenther <rguenther@suse.de>
8014 PR tree-optimization/27781
8015 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8016 * ipa-pure-const.c (target.h): Include.
8017 (analyze_function): Do not analyze functions that do not
8020 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8023 * tree-dfa.c (referenced_vars_dup_list): Remove.
8024 (find_referenced_vars): Remove assert.
8025 (referenced_var_check_and_insert): Replace dup list with assert.
8026 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8027 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8029 2006-06-15 Richard Guenther <rguenther@suse.de>
8031 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8032 extra unused identifiers if not dumping.
8033 (create_variable_info_for): Likewise.
8035 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8037 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8038 (derive_constant_upper_bound): Derive more precise upper bound in
8039 common cases. Return type changed to double_int.
8040 (record_estimate): Reflect the changed return type of
8041 derive_constant_upper_bound.
8042 * double-int.c (double_int_zext, double_int_sext): Fix.
8044 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8046 * configure.ac (CFLAGS): Get them from the toplevel or from the
8047 configure invocation.
8048 * configure: Regenerate.
8049 * Makefile.in (CFLAGS): Substitute value provided by configure.
8051 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8054 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8055 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8056 rather than calling add_stmt on it.
8057 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8059 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8062 * reload1.c (reload): Remove registers returned by update_eliminables
8063 from used_spill_regs.
8065 2006-06-13 DJ Delorie <dj@redhat.com>
8067 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8069 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8071 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8072 html__strip_dir, html__mkdir_p. Enhance install-html target.
8073 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8074 * configure: Regenerate.
8076 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8078 * fold-const.c (fold_cond_expr_with_comparison): Check for
8079 Objective-C++ as language in deciding COND_EXPR transformation.
8081 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8084 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8085 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8086 * config/sh/lib1funcs.h (SL, SL1): Define.
8087 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8088 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8089 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8090 (OBJS_Os_4_200): New variable.
8091 ($(T)libgcc-Os-4-200.a): Use it.
8092 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8093 when dividing 1 and/or by 0.
8095 2006-06-13 Roger Sayle <roger@eyesopen.com>
8097 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8098 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8099 * configure: Regenerate.
8101 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8103 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8104 for real instruction.
8106 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8109 * haifa-sched.c (check_cfg): Handle special case.
8111 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8114 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8115 Add debug_info parameter. Chain the vars to the BLOCK instead
8116 of the BIND_EXPR if debug info are requested for them.
8117 (pop_gimplify_context): Adjust for above change.
8118 (gimple_add_tmp_var): Likewise.
8119 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8121 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8122 (convert_local_reference): Likewise.
8123 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8124 (finalize_nesting_tree_1): Request that debug info be emitted
8125 for debug_var_chain.
8127 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8129 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8130 for PR target/27863.
8132 2006-06-13 Richard Guenther <rguenther@suse.de>
8135 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8137 2006-06-13 Richard Guenther <rguenther@suse.de>
8139 PR tree-optimization/27830
8140 * tree-inline.c (copy_body_r): For copying the operand
8141 of an ADDR_EXPR make sure to fold &* afterwards.
8143 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8145 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8146 lvalues in the fb_none case with side-effects.
8148 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8150 * tree-flow.h: Remove the prototype for
8151 compute_phi_arg_on_exit.
8152 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8153 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8156 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8158 * builtins.c (expand_builtin_return_addr): Only use
8159 frame_pointer_rtx when count == 0 and we are expanding
8160 __builtin_return_address.
8162 2006-06-12 Fred Fish <fnf@specifix.com>
8164 * config/mips/mips.c (mips_file_start): Create special section
8165 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8167 2006-06-11 Eric Christopher <echristo@apple.com>
8170 * stor-layout.c (place_field): Remove check for
8171 remaining_in_alignment when aligning at the end of a run.
8173 2006-06-11 Eric Christopher <echristo@apple.com>
8176 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8179 2006-06-11 Roger Sayle <roger@eyesopen.com>
8182 Revert incorrect fix for PR target/27158
8183 2006-05-08 Roger Sayle <roger@eyesopen.com>
8184 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8185 of a reg_equiv_constant if the result is a legitimate constant.
8187 2006-06-11 Roger Sayle <roger@eyesopen.com>
8190 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8191 extract a CONST_VECTOR element and interpret it as an integer.
8192 (vspltis_constant): Use const_vector_elt_as_int instead of the
8193 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8194 * config/rs6000/predicates.md (easy_vector_const): Consider
8195 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8197 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8200 * stor-layout.c (update_alignment_for_field): Don't add extra
8201 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8204 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8206 * config/mips/t-rtems: Add EL/EB multilib variants.
8208 2006-06-09 Mike Stump <mrs@apple.com>
8210 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8212 2006-06-09 David Daney <ddaney@avtrex.com>
8214 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8216 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8218 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8220 2006-06-09 Richard Guenther <rguenther@suse.de>
8222 PR tree-optimization/26998
8223 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8224 of signed types, only TYPE_MIN_VALUE is special, but for both,
8225 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8226 in this case, as is -fwrapv.
8228 2006-06-08 Mike Stump <mrs@apple.com>
8231 * config/darwin.c (darwin_asm_output_anchor): Disable
8232 -fsection-anchors on darwin for now.
8233 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8234 * rs6000/rs6000.c (optimization_options): Likewise.
8236 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8239 * config/i386/i386.c (classify_argument): Skip fields with invalid
8242 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8244 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8245 (cse_insn): Likewise for the stack_pointer_rtx.
8247 2006-06-08 Roger Sayle <roger@eyesopen.com>
8249 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8250 conditions from floating point comparisons.
8252 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8255 * expmed.c (struct alg_hash_entry): Fix type of field T
8256 to match synth_mult argument.
8257 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8259 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8262 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8265 2006-06-08 Richard Guenther <rguenther@suse.de>
8268 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8269 only, if overflow is defined and not trapping.
8270 (negate_expr): Likewise.
8272 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8274 PR tree-optimization/27872
8275 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8276 flag on the new exit edge of the unrolled loop.
8278 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8280 PR rtl-optimization/26449
8281 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8283 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8286 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8287 referenced_variables with matching DECL_UID's.
8288 (find_referenced_vars): Make sure duplicate list is empty to start.
8289 (referenced_var_p): Remove.
8290 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8291 Check if var is in the list, and add if needed. Update the duplicate
8292 list if a different var is in the list with the same DECL_UID.
8293 (add_referenced_var): Call routine to check and insert.
8294 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8295 * tree-flow.h (referenced_vars_dup_list): External declaration.
8297 2006-06-07 Fred Fish <fnf@specifix.com>
8299 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8302 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8305 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8306 the imaginary and real parts of a clobbered register.
8307 Emit insn to set the imaginary part.
8309 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8311 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8312 in lieu of unwind-dw2-fde.c.
8314 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8316 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8318 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8321 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8322 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8323 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8324 V4SImode temporaries and operations instead.
8326 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8328 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8331 2006-06-06 Mike Stump <mrs@apple.com>
8333 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8334 installing during build.
8336 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8338 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8340 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8341 * config/ia64/ia64.c (params.h): New header.
8342 (ia64_optimization_options): New function to adjust parameters.
8343 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8344 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8345 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8347 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8349 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8351 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8354 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8356 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8357 Victor Kaplansky <victork@il.ibm.com>
8359 PR tree-optimization/26360
8360 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8363 2006-06-04 Roger Sayle <roger@eyesopen.com>
8364 Andrew Pinski <pinskia@physics.uc.edu>
8367 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8368 for LABEL_DECL before calling DECL_WEAK.
8371 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8372 LABEL_DECL and PARM_DECL.
8374 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8378 * c-decl.c (grokdeclarator): Disallow variably modified types at
8379 file scope. Avoid marking shared array type of constant size as
8382 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8385 * c-common.c (fold_offsetof_1): Handle static members.
8387 2006-06-04 Eric Christopher <echristo@apple.com>
8389 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8390 (debug_rli): Output value for remaining_in_alignment.
8391 (update_alignment_for_field): Unconditionalize
8392 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8393 extra alignment code.
8394 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8395 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8396 * tree.h (record_layout_info_s): Remove prev_packed.
8397 * doc/extend.texi (ms_struct): Add documentation of format.
8399 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8401 * tree.h: Declare folding_initializer.
8402 * builtins.c (fold_builtin_constant_p): Give definite answer
8403 if folding inside an initializer.
8404 * fold-const.c: Define folding_initializer.
8405 (START_FOLD_INIT): Save and then set folding_initializer.
8406 (END_FOLD_INIT): Restore folding_initializer.
8408 2006-06-04 Richard Guenther <rguenther@suse.de>
8410 PR tree-optimization/27039
8411 * fold-const.c (fold_comparison): Handle pointer comparison
8412 again for all comparison codes. Compare offsets in signed
8414 (fold_binary): Move code from here.
8416 2006-06-03 Roger Sayle <roger@eyesopen.com>
8419 * config/i386/i386.c (construct_container): Split static issued_error
8420 flag into issued_sse_arg_error, issued_sse_ret_error and
8421 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8422 requires the use of x87 registers and the user explicitly
8423 specified the -mno-80387 command line option.
8425 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8427 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8428 HAVE_DECL_SIGALTSTACK.
8430 (segv_handler): Use MC_FLD.
8431 * configure.ac: Check for a sigaltstack declaration.
8432 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8433 * configure: Regenerate.
8434 * config.in: Regenerate.
8436 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8439 * Makefile.in (stmp-fixinc): Fix typo.
8441 2006-06-02 Roger Sayle <roger@eyesopen.com>
8443 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8444 are type correct. Clean-up.
8445 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8446 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8448 2006-06-01 DJ Delorie <dj@redhat.com>
8450 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8451 shift, as we've disabled the "switch" insn that needs it.
8453 2006-06-01 Per Bothner <bothner@bothner.com>
8455 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8456 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8457 * c-ppoutput.c (cb_define): Don't increment line 0.
8459 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8461 * doc/invoke.texi: Add cpu_type power6.
8462 * config.gcc: Add cpu_type power6.
8463 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8464 to power5+ with Altivec.
8465 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8466 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8468 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8470 * config/avr/avr.h (SET_ASM_OP): Define.
8472 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8474 * config/bfin/bfin.c: Fix comment typos.
8476 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8479 * doc/install.texi: Document --enable-bootstrap and
8480 --disable-bootstrap.
8482 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8484 * doc/install.texi: Document that InfoZIP can replace jar.
8486 2006-05-31 Roger Sayle <roger@eyesopen.com>
8488 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8489 isn't available, directly generate the simpler x87 patterns without
8490 the (use (const_int 0)).
8491 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8492 implementation isn't available.
8493 (*negdf2_1): Likewise.
8494 (*negxf2_1): XF mode negation is always done using the x87.
8495 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8497 2006-05-31 Roger Sayle <roger@eyesopen.com>
8499 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8500 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8502 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8504 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8506 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8507 * config/bfin/bfin.c (basic-block.h): Include.
8508 (struct machine_function): New.
8509 (bfin_init_machine_status): New.
8510 (override_options): Initialize init_machine_status.
8511 (bfin_hardware_loop): New.
8512 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8513 (DEF_VEC_P (loop_info)): New.
8514 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8515 (struct loop_info): New.
8516 (loop_info): New typedef.
8517 (struct loop_work): New.
8518 (loop_work): New typedef.
8519 (DEF_VEC_O (loop_work)): New.
8520 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8521 (bfin_dump_loops): New.
8522 (bfin_bb_in_loop): New.
8523 (bfin_scan_loop): New.
8524 (bfin_optimize_loop): New.
8525 (bfin_reorg_loops): New.
8526 (bfin_reorg): Use bfin_reorg_loops.
8527 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8529 (I_REGNO_P): Simplify.
8530 (DP_REGNO_P, DPREG_P): New macros.
8531 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8532 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8533 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8534 Add LT_REGS, LC_REGS, LB_REGS.
8535 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8537 (REGNO_REG_CLASS): Deal with loop registers.
8538 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8540 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8541 New constants for loop registers.
8542 (UNSPEC_LSETUP_END): New.
8543 (seq_insns): New define_attr. Set it for appropriate insns.
8544 (movsi_insn): Add alternatives for move from/to
8545 loop count registers.
8546 (doloop_end): New define_expand.
8547 (loop_end): New define_insn.
8548 (define_split for bad doloop_end): New.
8549 (lsetup_with_autoinit): New define_insn.
8550 (lsetup_without_autoinit): New define_insn.
8551 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8552 * config/bfin/predicates.md (lc_register_operand): New.
8553 (lt_register_operand): New.
8554 (lb_register_operand): New.
8555 (nondp_register_operand): New.
8556 (nondp_reg_or_memory_operand): New.
8557 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8559 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8561 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8562 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8564 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8566 * Makefile.in (CATALOGS): Add po/ prefix.
8567 * configure: Regenerated.
8569 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8572 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8573 a shift operand before calling shift_op. Avoid redundant call of
8576 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8577 DJ Delorie <dj@redhat.com>
8579 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8580 we're inserting is a singlt-bit constant.
8582 2006-05-30 Roger Sayle <roger@eyesopen.com>
8584 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8585 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8587 2006-05-30 Roger Sayle <roger@eyesopen.com>
8589 PR tree-optimization/23452
8590 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8591 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8592 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8593 complex values and with -ffast-math for FP complex values.
8595 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8597 * c-common.h: Remove the prototype for yyparse.
8598 * rtl.h: Remove the prototype for init_loop.
8600 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8602 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8605 2006-05-30 Roger Sayle <roger@eyesopen.com>
8607 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8609 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8610 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8612 2006-05-30 Dirk Mueller <dmueller@suse.de>
8615 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8616 for CONSTANT_CLASS_P expresisons.
8618 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8621 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8623 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8625 PR tree-optimization/27779
8626 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8627 initial_condition instead of CHREC_LEFT.
8629 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8631 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8632 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8633 Make prototypes ISO C90.
8635 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8636 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8638 * see.c (see_analyze_one_def): Correct check.
8639 (see_get_extension_data): Check if extension is parallel.
8640 (see_get_extension_reg): Likewise.
8642 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8645 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8646 into register for (code == GTU).
8648 2006-05-29 Roger Sayle <roger@eyesopen.com>
8650 PR tree-optimization/24964
8651 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8652 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8653 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8654 abs(x)*abs(x) as x*x for scalar floating point modes.
8656 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8659 * lambda-code.c (perfect_nestify): Don't copy statements
8660 in the inner loop: move them to the inner loop header.
8662 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8665 * c-tree.texi: Document OpenMP directives and clauses.
8667 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8669 * varasm.c (globalize_decl): Fix indentation.
8671 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8674 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8675 pass_fre, pass_store_ccp, pass_copy_prop,
8676 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8677 pass_return_slot, pass_object_size, pass_lim,
8678 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8679 pass_loop_prefetch and pass_stdarg.
8681 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8683 * config/bfin/bfin.opt (mfdpic): New option.
8684 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8685 (EXTRA_MULTILIB_PARTS): Likewise.
8686 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8687 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8689 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8690 (CRT_CALL_STATIC_FUNCTION): New.
8691 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8693 (CRT_CALL_STATIC_FUNCTION): New.
8694 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8696 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8697 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8698 (initialize_trampoline): Changed to handle FD-PIC code generation.
8699 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8700 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8701 (override_options): Disallow -mid-shared-library -mfdpic combination.
8702 Can't do unaligned ops if FD-PIC.
8703 Turn off flag_pic if trying to generate non-id-shared-library
8704 non-fdpic code, since it's not supported.
8705 (bfin_assemble_integer): New function.
8706 (TARGET_ASM_INTEGER): Define.
8707 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8709 * config/bfin/crtn.s: Restore them.
8710 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8712 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8713 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8714 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8715 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8716 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8718 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8719 FDPIC_REGS and FDPIC_FPTR_REGS.
8720 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8721 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8722 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8723 (load_funcdescsi): New pattern.
8724 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8725 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8726 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8728 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8730 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8733 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8735 * tree-flow.h: Remove the prototype for add_type_alias.
8736 * tree-ssa-alias.c (add_type_alias): Remove.
8738 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8740 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8741 config/fr30/fr30.md, config/i386/i386-interix.h,
8742 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8743 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8744 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8745 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8746 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8747 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8748 Follow spelling conventions.
8749 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8750 Follow spelling conventions.
8752 2006-05-27 Richard Guenther <rguenther@suse.de>
8755 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8756 to produce a constant of value 1 of generic type.
8758 2006-05-27 Dirk Mueller <dmueller@suse.de>
8760 * cgraphunit.c (decide_is_function_needed): Fix wrong
8763 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8765 PR rtl-optimization/27661
8766 * reload.c (find_reloads): When reloading a VOIDmode constant
8767 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8768 use Pmode as mode of the reload register.
8770 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8772 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8773 is enabled at -O and above.
8775 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8778 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8781 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8784 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8785 for anonymous variables explicitly declared by front ends.
8787 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8789 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8790 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8791 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8792 ref-all pointers, run a finalization pass for them.
8793 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8794 (finalize_ref_all_pointers): New function.
8795 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8796 regular pointer type to a ref-all pointer type.
8797 (get_tmt_for): Return the special memory tag for ref-all pointers.
8799 2006-05-25 Richard Guenther <rguenther@suse.de>
8802 * fold-const.c (fold_binary): Do not look at the stripped
8803 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8805 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8807 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8808 for LT and GT if the computed range is effectively empty.
8810 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8813 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8814 mips_quad_format formats instead of ieee_single_format,
8815 ieee_double_format and ieee_quad_format formats, respectively.
8817 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8819 PR tree-optimization/27639
8820 PR tree-optimization/26719
8821 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8822 call to scev_probably_wraps_p.
8823 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8824 used_in_pointer_arithmetic_p, convert_step): Removed.
8825 (nowrap_type_p): New function.
8826 (scev_probably_wraps_p): Rewritten.
8827 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8828 chrec_convert if chrec_convert_aggressive might have been used.
8829 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8830 scev_direction): New functions.
8831 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8832 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8833 instead of convert_step.
8834 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8835 (convert_step): Declaration removed.
8836 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8838 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8840 * df-core.c: Added to header comments.
8841 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8842 df_ur_bb_info, df_urec_bb_info): Added comments.
8843 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8844 urec, ri problems): Fixed header comments.
8845 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8846 code from df_rd_transfer_function.
8848 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8850 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8851 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8852 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8854 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8856 * expr.c (undefined_operand_subword_p): New.
8857 (emit_move_multi_word): Do not generate move from undefined bits
8858 of a paradoxical subreg.
8860 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8862 PR rtl-optimization/27736
8863 * combine.c (replaced_rhs_value): New variable.
8864 (combine_instructions): Set it.
8865 (distribute_notes): When distributing a note in replaced_rhs_insn,
8866 check whether the value was used in replaced_rhs_value.
8868 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8871 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8872 add_referenced_var instead of add_referenced_tmp_var.
8873 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8874 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8876 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8877 tree_optimize_tail_calls_1): Use add_referenced_var.
8878 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8879 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8880 Use add_referenced_var.
8881 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8882 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8883 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8884 Use add_referenced_var.
8885 * tree-dfa.c (struct walk_state): Remove.
8886 (find_referenced_vars): Remove walk state and vars_found hash table.
8887 (make_rename_temp): Use add_referenced_var.
8888 (find_vars_r): Pass less parameters to add_referenced_var.
8889 (referenced_var_p): New. Is var in referenced_var hash table.
8890 (referenced_var_insert): Assert var isn't already in hash table.
8891 (add_referenced_var): Don't need walk_state parameter. Add var if it
8892 isn't already in the hash table.
8893 (add_referenced_tmp_var): Remove.
8894 (find_new_referenced_vars_1): Use add_referenced_var.
8895 * tree-ssa-pre.c (create_expression_by_pieces,
8896 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8897 Use add_referenced_var.
8898 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8899 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8900 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8902 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8903 vect_create_data_ref_ptr, vect_create_destination_var,
8904 vect_init_vector, vect_build_loop_niters,
8905 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8906 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8907 Use add_referenced_var.
8908 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8909 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8910 (add_referenced_var): Add prototype.
8911 * tree-ssa-structalias.c (get_constraint_for,
8912 intra_create_variable_infos): Use add_referenced_var.
8914 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8916 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8917 big-endian paradoxical subregs.
8918 * var-tracking.c (struct micro_operation_def): Document that,
8919 for modify micro operations, insn is the subsequent instruction.
8920 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8921 (var_reg_set, var_mem_set): ... new functions.
8922 (add_stores): Record subsequent insn.
8923 (compute_bb_dataflow): Use new functions for MO_USE.
8924 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8925 notes after the insn, and modify notes before the insn known
8926 to be the subsequent one.
8927 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8929 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8932 * config/i386/i386.c (ix86_expand_builtin): Use
8933 gen_sse3_monitor64 for TARGET_64BIT.
8935 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8937 PR rtl-optimization/26375
8938 PR rtl-optimization/26855
8939 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8941 (df_ru_bb_local_compute): Reversed statements and removed bogus
8942 comment explaining why they should be in wrong order.
8943 (df_ru_dump, df_rd_dump): Enhanced debug info.
8944 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8946 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8947 reaching uses and fixed space problem.
8949 2006-05-23 Jan Hubicka <jh@suse.cz>
8951 * cgraphunit.c (decide_is_function_needed): Also nested functions
8952 and functions declared inline can be optimized out at -O0.
8954 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8956 * doc/install.texi (Configuration): Remove reference to CrossGCC
8960 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8963 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8964 ix86_compare_emitted is non-NULL.
8966 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8969 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8972 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8974 PR rtl-optimization/25514
8975 * combine.c (replaced_rhs_insn): New variable.
8976 (combine_instructions): Set replaced_rhs_insn when trying to replace
8977 a SET_SRC with a REG_EQUAL note.
8978 (distribute_notes): Use replaced_rhs_insn when determining the live
8979 range of a REG_DEAD register.
8981 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8982 Anatoly Sokolov <aesok@post.ru>
8984 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8985 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8986 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8987 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8988 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8989 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8990 at90usb647, at90usb1286 and at90usb1287 devices.
8991 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8992 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8994 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8996 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8998 2006-05-22 Richard Guenther <rguenther@suse.de>
9001 2006-01-31 Richard Guenther <rguenther@suse.de>
9002 Paolo Bonzini <bonzini@gnu.org>
9004 * doc/install.texi (--disable-libgcc-math): Document.
9006 2006-05-22 Richard Guenther <rguenther@suse.de>
9009 2006-01-31 Richard Guenther <rguenther@suse.de>
9011 * doc/invoke.texi (-msselibm): Document.
9012 * target.h (expand_library_builtin): New target hook.
9013 * builtins.c (expand_builtin): Use expand_library_builtin.
9014 (default_expand_library_builtin): New function.
9015 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9016 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9017 (link_gcc_math_spec): Declare.
9018 (static_specs): Add link_gcc_math_spec.
9019 * expr.h (default_expand_library_builtin): Declare.
9020 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9021 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9022 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9023 * config/i386/i386.opt (msselibm): New target option.
9024 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9025 (ix86_init_sse_abi_builtins): New function.
9026 (ix86_expand_library_builtin): Likewise.
9027 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9028 (override_options): Handle error conditions wrt -msselibm.
9029 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9030 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9031 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9034 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9037 * c-common.c (self_promoting_args_p): Skip erroneous args.
9040 * c-decl.c (finish_struct): Skip erroneous fields.
9042 2006-05-22 Nick Clifton <nickc@redhat.com>
9044 * config/cris/cris.opt (march): Remove VarExists attribute.
9045 (max-stackframe=): Likewise.
9047 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9049 * doc/rtl.texi: Fix a typo.
9050 * see.c: Fix comment typos.
9052 * tree-ssa-structalias.h (alias_info): Remove num_references.
9054 2006-05-21 Mike Stump <mrs@apple.com>
9056 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9058 (darwin_pragma_options): Use BAD instead.
9059 (darwin_pragma_unused): Likewise.
9060 (darwin_pragma_ms_struct): Likewise.
9062 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9064 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9066 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9068 PR rtl-optimization/27671
9069 * simplify-rtx.c (simplify_relational_operation_1): Fix
9070 simplifications of (eq/ne (xor x y) y) and
9071 (eq/ne (xor x y) x).
9073 PR tree-optimization/26622.
9074 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9077 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9079 * tree-cfg.c: Prune whitespace.
9080 (debug_tree_cfg): Point to correct header containing the
9083 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9086 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9088 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9091 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9092 or sorry count is non zero.
9094 2006-05-20 Andreas Schwab <schwab@suse.de>
9096 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9098 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9099 Kenneth Zadeck <zadeck@naturalbridge.com>
9101 PR rtl-optimization/26855
9103 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9105 (df_scan_alloc): Added code to properly handle multiword hard
9106 registers and add all_blocks parameter.
9107 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9108 code to properly handle multiword hard registers.
9109 (df_rescan_blocks): Added code to remove deleted blocks from
9111 (df_ref_create_structure, df_ref_record): Added code to properly
9113 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9114 and set DF_REF_PARTIAL.
9115 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9116 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9117 (df_scan_add_problem): Added flags parameter.
9118 (df_ref_create_structure): Changed switching structure.
9119 (df_bb_refs_record): Fixed case where duplicate artificial refs
9120 were created. Changed location of flags.
9121 (df_record_entry_block_defs): Added code to make stack pointer
9122 live in entry block. Refined cases where frame pointer is needed.
9123 Changed location of flags.
9124 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9125 (df_set_state): Removed function.
9126 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9127 df_insn_create_insn_record, df_insn_refs_delete,
9128 df_ref_create_structure): Formatting changes.
9129 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9130 df_delete_basic_block): New function.
9131 (df_init): Changed location of flags.
9132 (df_add_problem): Added flags parameter and the way flags are
9134 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9135 debug_df_chain): Improved debugging output.
9136 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9137 (df_refs_chain_dump): Removed df parameter.
9138 (df_iterative_dataflow): Added consistency check.
9139 (df_prune_to_subcfg): Made public.
9140 (df_analyze_problem): Added blocks_to_init parameter and made
9142 (df_ref_record, df_bb_refs_record, df_mark_reg,
9143 df_record_exit_block_uses): Whitespace changes.
9144 (df_dump): Whitespace changes.
9145 * df.h: Some reordering to remove forward references.
9146 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9147 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9148 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9149 (dataflow.flags): New field.
9150 (df.flag): Deleted field.
9151 (df_alloc_function): Added additional bitmap parameter.
9152 (df_dependent_problem_function): New type.
9153 (df_problem.changeable_flags): New field.
9154 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9155 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9156 (df_mw_hardreg): New struct.
9157 (DF_INSN_UID_MWS): New macro.
9158 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9160 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9161 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9162 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9163 (df_set_state): Removed function.
9164 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9165 * df-problems.c (df_chain_dump): Removed df parameter.
9166 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9167 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9169 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9170 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9171 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9172 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9173 DF_REF_MUST_CLOBBER cases.
9174 (df_ru_bb_local_compute_process_def,
9175 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9176 df_lr_bb_local_compute, df_ur_bb_local_compute,
9177 df_chain_create_bb): Made subreg aware.
9178 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9179 df_lr_bb_local_compute, df_lr_bb_local_compute,
9180 df_chain_create_bb): Cleanup to use proper macros.
9181 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9182 code to fixup bitvectors.
9183 (df_ri_alloc): Cleared lifetime.
9184 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9185 df_create_unused_note): New function.
9186 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9187 REG_DEAD and REG_UNUSED notes as well as register information.
9188 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9189 df_chains_dump): Fixed crash if problem was never run.
9190 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9191 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9192 df_ri_add_problem): Processes flags in uniform manner.
9193 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9194 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9195 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9196 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9197 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9198 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9199 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9200 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9201 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9202 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9203 * see.c (see_initialize_data): Ditto.
9204 * final.c (rest_of_clean_state) Added regstack_completed.
9205 * rtl.h (regstack_completed): Ditto.
9206 * reg-stack.c (regstack_completed): Ditto.
9208 2006-05-19 Mike Stump <mrs@apple.com>
9210 * c-tree.h (default_conversion): Remove.
9211 * c-common.h (default_conversion): Add.
9213 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9215 * tree-vrp.c (valid_value_p): New function.
9216 (adjust_range_with_scev): Fail if the value of bound is not
9219 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9221 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9222 (mips_fallback_frame_state): Use syscall numbers to determine
9223 the appropriate li instruction for the current ABI. Only use
9224 __NR_sigreturn for o32.
9226 2006-05-19 Nicolas Setton <setton@adacore.com>
9228 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9229 * langhooks.c (lhd_dwarf_name): New function.
9230 * langhooks-def.h (lhd_dwarf_name): Declare.
9231 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9232 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9234 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9236 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9238 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9239 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9240 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9241 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9242 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9243 determine the size of Wtype, etc.
9244 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9245 (swfloatfuncs): New variable.
9246 (dwfloatfuncs): Likewise.
9247 (lib2funcs): Remove floating-point conversion functions from
9248 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9249 the set of conversion routines needed. Allow entries to specify
9250 an object name, filename and word size. Update users accordingly.
9251 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9252 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9256 2006-02-08 Roger Sayle <roger@eyesopen.com>
9259 * config/fixtfdi.c: New libgcc source file.
9260 * config/fixunstfdi.c: New source file.
9261 * config/floatditf.c: New source file.
9262 * config/floatunditf.c: New souce file.
9263 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9264 files above instead of config/mips/_tilib.c.
9265 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9267 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9269 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9270 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9272 2006-05-18 Mike Stump <mrs@apple.com>
9274 Fix up vla, vm and [*] sematics.
9280 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9281 (c_vla_unspec_p): Add.
9282 (c_vla_type_p): Add.
9283 * c-decl.c (struct c_scope): Add had_vla_unspec.
9284 (build_array_declarator): Add support for [*].
9285 (grokdeclarator): Likewise.
9286 (grokparms): Likewise.
9287 (get_parm_info): Likewise.
9288 * c-objc-common.c (c_vla_unspec_p): Likewise.
9289 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9290 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9291 typeof when argument is a variably modified type not inside sizeof or alignof.
9292 (c_parser_direct_declarator_inner): Propagate errors.
9293 (c_parser_sizeof_expression): Add support for [*].
9294 (c_parser_parms_declarator): Initialize had_vla_unspec.
9295 (c_parser_parms_list_declarator): Likewise.
9296 * c-typeck.c (c_vla_type_p): Add.
9297 (composite_type): Add support for vla compositing.
9298 (comptypes_internal): Add support for vla compatibility.
9299 (c_expr_sizeof_expr): Evaluate vla arguments.
9300 * tree.c (variably_modified_type_p): Update comment for [*].
9302 2006-05-18 Michael Matz <matz@suse.de>
9305 * config.host: Make assignments to host_xmake_file cumulative.
9306 * config.host (*-darwin*): Test $host, not $target.
9308 2006-05-12 Stuart Hastings <stuart@apple.com>
9310 * config/i386/i386.opt (-mstackrealign): New flag.
9311 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9312 (ix86_handle_cconv_attribute): Emit error when
9313 force_align_arg_pointer attribute collides with too many regparms.
9314 (ix86_function_regparm): Limit regparms when used with
9315 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9316 Support stack-realigning prologue in non-main functions. Emit
9317 warning for nested functions under -mstackrealign, emit error for
9318 nested functions with force_align_arg_pointer attribute.
9319 * doc/extend.texi (force_align_arg_pointer): Document it.
9320 * doc/invoke.texi (-mstackrealign): Document it.
9322 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9324 PR rtl-optimization/27477
9325 * combine.c (try_combine): Don't split a parallel consisting
9326 of two sets into two individual sets if both sets reference
9329 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9331 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9332 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9334 * doc/options.texi (VarExists): Updated.
9336 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9338 * unwind-dw2.c: Add declarations for uw_update_context and
9340 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9341 detected, advance frame state and context once to skip over stub.
9343 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9347 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9348 Call rewrite_into_loop_closed_ssa only when something changed.
9349 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9350 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9351 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9352 Test for perfect_nest_p here. Fix formating.
9353 (replace_uses_equiv_to_x_with_y): Fix formating.
9354 (stmt_uses_op): Removed.
9355 (can_convert_to_perfect_nest): Removed loopivs parameter.
9356 Complete the test by checking the scalar dependences.
9357 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9360 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9363 From Dan Kegel <dank@kegel.com>:
9364 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9366 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9368 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9369 if the element type is variably modified without recursing.
9371 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9374 * tree-loop-linear.c (try_interchange_loops): Test for
9375 no data dependences.
9377 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9379 PR tree-optimization/27548
9380 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9381 range of ssa names that appear on abnormal edges.
9382 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9383 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9385 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9388 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9390 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9393 * tree.h (OMP_PARALLEL_COMBINED): Define.
9394 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9395 (new_omp_context): Add is_combined_parallel argument.
9396 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9397 new_omp_context caller.
9398 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9399 Adjust gimplify_scan_omp_clauses callers.
9400 (omp_is_private): Issue errors if iteration variable is firstprivate
9401 or reduction in the current context.
9402 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9403 on combined parallel workshare constructs.
9405 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9407 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9408 (gcc-options.o): New rule.
9410 * optc-gen.awk: Protect variables for gcc-options.o with
9411 #ifdef GCC_DRIVER/#endif.
9413 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9415 Fix PR tree-optimization/27373
9416 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9417 (forward_propagate_addr_expr): Update call.
9419 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9421 * doc/options.texi: Move the Negative option.
9423 2006-05-16 Richard Guenther <rguenther@suse.de>
9425 PR tree-optimization/22303
9426 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9428 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9429 ccp_fold did not simplify the statement.
9431 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9434 * Makefile.in (GCC_OBJS): New.
9435 (OBJS-common): Add opts-common.o.
9436 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9437 (cpp$(exeext)): Likewise.
9438 (gcc.o): Also depend on opts.h.
9439 (opts-common.o): New.
9441 * common.opt (gcoff): Add Negative(gdwarf-2).
9442 (gdwarf-2): Add Negative(gstabs).
9443 (gstabs): Add Negative(gstabs+).
9444 (gstabs+): Add Negative(gvms).
9445 (gvms): Add Negative(gxcoff).
9446 (gxcoff): Add Negative(gxcoff+).
9447 (gxcoff+): Add Negative(gcoff).
9448 * config/i386/i386.opt (m32): Add Negative(m64).
9449 (m64): Add Negative(m32).
9451 * doc/options.texi: Document the Negative option.
9453 * gcc.c: Include "opts.h".
9454 (main): Call prune_options after expandargv.
9456 * optc-gen.awk: Generate common declarations for all flag
9457 variables in options.c. Output the neg_index field.
9459 * opts.c (find_opt): Moved to ...
9460 * opts-common.c: Here. New file.
9462 * opts.h (cl_option): Add a neg_index field.
9464 (prune_options): Likewise.
9466 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9469 * omp-low.c (expand_omp_parallel): Don't assert
9470 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9471 instead search for it.
9474 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9477 2006-05-16 Andreas Schwab <schwab@suse.de>
9479 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9482 2006-05-15 Roger Sayle <roger@eyesopen.com>
9485 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9486 integer constants other than zero are only legitimate on TARGET_64BIT.
9487 <CONST_VECTOR> Only zero vectors are legitimate.
9488 (ix86_cannot_force_const_mem): Integral and vector constants can
9489 always be put in the constant pool.
9491 2006-05-16 DJ Delorie <dj@redhat.com>
9493 * crtstuff.c (__dso_handle): Set section from
9494 TARGET_LBIGCC_SDATA_SECTION if defined.
9495 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9496 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9498 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9501 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9504 2006-05-16 Ben Elliston <bje@au.ibm.com>
9506 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9508 2006-05-15 Per Bothner <per@bothner.com>
9510 * tree.c: (last_annotated_node): Use source_locus typedef.
9511 This permits bootstrapping with --enable-mapped-location.
9513 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9515 PR tree-optimization/26830
9516 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9517 (info_for_ssa_name, current_info_for_ssa_name_age,
9518 blocks_to_update): New variables.
9519 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9520 (clear_ssa_name_info, initialize_flags_in_bb,
9521 mark_block_for_update): New functions.
9522 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9523 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9524 prepare_def_site_for): Use mark_block_for_update.
9525 (mark_def_interesting): Assert that the processed block is marked in
9526 blocks_to_update. Do not take blocks argument.
9527 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9529 (rewrite_update_init_block, rewrite_update_stmt): Only process
9530 blocks with statements to rewrite.
9531 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9532 (update_ssa): Initialize and free blocks_to_update. Do not
9533 clear flags on statements. Do not use blocks bitmap.
9534 * tree.h (SSA_NAME_AUX): Removed.
9535 (struct tree_ssa_name): Removed aux field.
9536 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9538 2006-05-15 Richard Guenther <rguenther@suse.de>
9540 PR tree-optimization/27603
9541 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9542 Do computations in original type.
9544 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9546 * see.c: Code style changes such as redundant paranthesis,
9547 redundant intialization of local variables etc.
9548 (see_main): Declared now as static.
9549 * doc/invoke.texi: Update that -fsee is not enabled by
9552 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9554 * omp-low.c (check_omp_nesting_restrictions): New function.
9555 (scan_omp_1): Call it.
9558 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9559 construct, return *VAR.
9561 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9563 PR rtl-optimization/27406
9564 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9567 2006-05-14 Roger Sayle <roger@eyesopen.com>
9569 PR rtl-optimization/27538
9570 * combine.c (expand_compound_operation): Call gen_lowpart
9571 before calling simplify_shift_const.
9573 2006-05-14 Roger Sayle <roger@eyesopen.com>
9575 PR rtl-optimization/22563
9576 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9577 a fixed width bitfield, always force the intermediates into psuedos.
9579 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9582 * mkconfig.sh: Use operator = instead of == for test.
9584 2006-05-13 Nick Clifton <nickc@redhat.com>
9586 * dwarf2out.c (dbx_reg_number): Check return value from
9587 LEAF_REG_REMAP and only use it if it is valid.
9588 (multiple_reg_loc_descriptor): Likewise.
9590 2006-05-13 Richard Guenther <rguenther@suse.de>
9592 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9595 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9597 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9598 information attached to non-INSNs such as NOTEs.
9599 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9601 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9603 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9605 * config/s390/s390.md: Adjust comment describing On constraint.
9607 2006-05-11 Jan Hubicka <jh@suse.cz>
9609 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9610 to be output at -O0.
9612 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9615 * fold-const.c (size_binop): Move sanity check for arguments to
9616 the beginning of the function.
9619 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9622 2006-05-11 Richard Guenther <rguenther@suse.de>
9625 * fold-const.c (fold_unary): Handle intermediate conversion
9626 to a pointer type like intermediate conversion to an integer
9627 type in folding of (T1)(T2)var to var.
9628 Match the code to the comment in the final conversion for
9629 (T1)(T2)var to (T1)var regarding to type precision. Rather
9630 than disallow T1 being of pointer type, assert that both T1
9631 and var are of pointer type or not. Make sure not to fall
9632 over the frontends lazyness wrt array to pointer decay though.
9634 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9636 * arm.c (arm_struct_value_rtx): Delete.
9637 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9638 (arm_init_cumulative_args): Always initialize nregs to zero.
9640 2006-05-10 Richard Guenther <rguenther@suse.de>
9642 PR tree-optimization/27532
9643 * tree-object-size.c (plus_expr_object_size): Fix typo.
9645 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9648 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9649 ashrdi_const, ashrdi3): Use a scratch register.
9651 2006-05-10 Richard Guenther <rguenther@suse.de>
9653 PR tree-optimization/27302
9654 * fold-const.c (operand_equal_p): For two comparisons,
9655 try comparison of one comparison code swapped if that yields
9658 2006-05-10 Ben Elliston <bje@au.ibm.com>
9660 * tree-pretty-print.c (pretty_print_string): No need to handle
9661 '\0' as a special character.
9663 * tree.h: Include "hashtab.h".
9664 (iterative_hash_expr): Use hashval_t in its prototype.
9665 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9667 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9670 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9671 (hppa*64*-*-hpux11*): Ditto.
9672 (hppa[12]*-*-hpux11*): Ditto.
9674 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9677 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9679 2006-05-09 Michael Matz <matz@suse.de>
9681 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9682 host_extra_gcc_objs and host_xmake_file.
9683 (<*-*-linux*>): Don't overwrite host_xmake_file.
9684 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9685 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9686 (host_detect_local_cpu): Declare.
9687 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9688 * config/i386/i386.c (override_options): Handle -mtune=native
9690 * config/i386/x-i386: New file.
9691 * config/i386/driver-i386.c: New file.
9692 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9695 2006-05-09 Dirk Mueller <dmueller@suse.de>
9696 Richard Guenther <rguenther@suse.de>
9699 * fold-const.c (fold_read_from_constant_string): Relax check
9700 for matching types to matching modes.
9702 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9704 PR rtl-optimization/27335
9705 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9708 2006-05-08 Chao-ying Fu <fu@mips.com>
9709 Richard Sandiford <richard@codesourcery.com>
9711 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9712 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9713 * config/mips/mips.md (UNSPEC_SCC): New constant.
9714 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9715 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9716 (mips_emit_compare): Use it.
9717 (mips_expand_vcondv2sf): New function.
9719 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9721 Fix PR tree-optimization/27093
9722 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9723 renaming when they become not-used_alone.
9725 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9727 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9728 relocation and relocation stubs.
9730 2006-05-08 Eric Christopher <echristo@apple.com>
9732 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9735 2006-05-08 Jan Hubicka <jh@suse.cz>
9738 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9739 unused static functions are needed.
9741 2006-05-08 Roger Sayle <roger@eyesopen.com>
9744 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9745 of a reg_equiv_constant if the result is a legitimate constant.
9747 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9750 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9751 standard 80387 constants, raise the cost to prevent
9752 compress_float_constant() to generate load from memory.
9754 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9756 * config/arm/constraints.md (c): Fix a typo.
9758 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9761 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9764 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9766 (_mm_mwait): Likewise.
9768 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9770 (sse3_monitor): Make it 32bit only.
9771 (sse3_monitor64): New. 64bit monitor.
9773 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9776 * config/i386/i386.c (classify_argument): Skip fields with invalid
9779 2006-05-07 Richard Guenther <rguenther@suse.de>
9781 PR tree-optimization/27409
9782 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9783 Do not try to find zero-sized subvars.
9785 2006-05-07 Richard Guenther <rguenther@suse.de>
9787 PR tree-optimization/27136
9788 * tree-ssa-loop-niter.c (get_val_for): Correct function
9789 comment, assert requirements.
9790 (loop_niter_by_eval): Stop processing if the iterated
9791 value did not simplify.
9793 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9795 * opts.c (flag_see): remove its setting at -O3.
9797 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9799 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9800 * arm/constraints.md: New file.
9801 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9802 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9803 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9804 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9805 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9806 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9807 * arm.md: Include constraints.md.
9808 (thumb_movsi_insn): Use satisfies_constraint_J.
9809 (movhi, movqi): Use satisfies_constraint_I.
9811 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9813 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9814 for atmeg a645 device.
9816 2006-05-06 Richard Guenther <rguenther@suse.de>
9818 PR tree-optimization/27151
9819 * tree-vect-transform.c (vectorizable_condition): Punt on
9820 values that have a different type than the condition.
9822 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9825 * c-parser.c (c_parser_cast_expression): Only insert casts into
9826 hash table if pointer.
9827 * function.c (used_types_insert_helper): Rename from
9829 (used_types_insert): Call used_types_insert_helper.
9830 * function.h (used_types_insert): Accept only one argument.
9832 2006-05-05 David Edelsohn <edesohn@gnu.org>
9834 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9835 scratch with output modifier.
9837 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9840 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9841 with output modifier.
9843 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9846 * config/mips/mips.c (mips_symbolic_address_p): Return true
9847 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9848 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9850 2006-05-04 Richard Guenther <rguenther@suse.de>
9852 PR tree-optimization/14287
9853 PR tree-optimization/14844
9854 PR tree-optimization/19792
9855 PR tree-optimization/21608
9856 PR tree-optimization/27090
9857 * tree-ssa-pre.c (try_combine_conversion): New function.
9858 (compute_avail): After constructing the value-handle
9859 expression, use try_combine_conversion to combine NOP_EXPRs
9860 with previous value-handle expressions and use the result if it
9863 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9865 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9867 2006-05-04 Jan Hubicka <jh@suse.cz>
9870 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9872 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9874 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9875 that this only matches CONST_INTs. All users changed to VOIDmode
9878 * config/bfin/bfin.c: Include "optabs.h".
9879 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9881 (enum bfin_builtins): Add a number of fractional and vector builtins.
9882 (bfin_init_builtins): Likewise.
9883 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9884 (safe_vector_operand, bfin_expand_binop_builtin,
9885 bfin_expand_unop_builtin): New functions.
9886 (bfin_expand_builtin): Handle the new builtins.
9887 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9890 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9893 * Makefile.in (OBJS-common): Add see.o.
9894 (see.o): Add dependencies.
9895 * common.opt (fsee): New flag for the see optimization was added.
9896 * opts.c (flag_see): Initialized.
9897 * passes.c (init_optimization_passes, pass_see): New pass.
9898 * rtl.h (see_main): Declaration as extern.
9899 * timevar.def (TV_SEE): New.
9900 * tree-pass.h (pass_see): Declaration as extern.
9901 * invoke.texi (-fsee): Document.
9902 * recog.c (validate_simplify_insn): New function.
9903 * recog.h (validate_simplify_insn): Declaration as extern.
9904 * df-problems.c (df_chain_dump): Check for NULL.
9906 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9907 Daniel Berlin <dberlin@dberlin.org>
9909 * cfgrtl.c (insert_insn_bb_end_new): New function.
9910 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9912 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9914 * df.h (struct web_entry): Moved from web.c.
9915 (union_defs): Declaration as extern.
9916 (unionfind_root): Likewise.
9917 (unionfind_union): Likewise.
9918 * web.c (struct web_entry): Moved to df.h.
9919 (unionfind_root): Remove static declaration.
9920 (unionfind_union): Likewise.
9921 (union_defs): Likewise and generalize to use callback function.
9922 (web_main): Update arguments for union_defs function call.
9924 2006-05-04 Richard Guenther <rguenther@suse.de>
9926 PR tree-optimization/26447
9927 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9928 produce SSA_NAME copies before the store stmt to avoid
9929 breaking exception handling.
9931 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9934 * gimplify.c (omp_is_private): If var is shared in some outer context,
9935 return false instead of true. Stop searching on parallel context
9938 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9941 * coverage.c: Use get_gcov_unsigned_t() instead of
9942 unsigned_type_node all over.
9944 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9946 PR tree-optimization/27381
9947 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9948 maintain the same immediate_use links.
9949 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9950 node rather than segfaulting.
9952 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9955 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9956 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9957 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9959 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9961 Fix PR tree-optimization/26626
9962 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9964 * tree-ssa-operands.c (access_can_touch_variable): Allow
9965 typecasting through union pointers.
9967 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9970 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9971 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9972 to find if var will be a global variable even in the nested context.
9973 (omp_copy_decl): Only check for global variable at the end, it might
9974 be overridden in outer contexts.
9975 (scan_sharing_clauses): For global variables don't create a field.
9976 (lower_rec_input_clauses): Do nothing for global shared variables.
9977 Emit a barrier at the end of ILIST if there were any decls in both
9978 firstprivate and lastprivate clauses.
9979 (lower_send_clauses): Do nothing for global variables except for
9982 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9984 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9985 of the correct signedness is returned.
9987 2006-05-02 Jeff Law <law@redhat.com>
9989 PR tree-optimization/27364
9990 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9991 multiply expressions.
9993 2006-05-02 Tom Tromey <tromey@redhat.com>
9995 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9997 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10000 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10001 -mthumb -fPIC are used.
10003 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10004 Joshua Kinard <kumba@gentoo.org>
10007 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10008 with 64-bit pointers.
10010 2006-05-02 Paul Brook <paul@codesourcery.com>
10012 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10014 (create_fix_barrier): Check that a suitable barrier location is
10016 (arm_reorg): Include ftmp->address in allowable range of addresses.
10018 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10021 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10024 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10026 PR middle-end/27337
10027 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10028 around RESULT_DECL for result passed by reference.
10029 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10030 * omp-low.c (use_pointer_for_field): Don't look at
10031 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10032 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10033 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10034 time or var for passing by reference for
10035 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10036 TREE_ADDRESSABLE variables when passing by reference.
10038 * omp-low.c (dump_omp_region): Fix output formatting.
10040 PR middle-end/27328
10041 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10042 (expand_omp_parallel): Likewise.
10043 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10045 PR middle-end/27325
10046 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10047 on statement list containing also constructors and destructors.
10048 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10050 PR middle-end/27310
10051 * except.c (duplicate_eh_regions): Fix clearing of
10052 cfun->eh->region_array entries.
10054 2006-05-01 DJ Delorie <dj@redhat.com>
10056 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10058 (gcc_cv_objdump): Likewise.
10059 * configure: Regenerated.
10061 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10064 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10065 templates for case 3 and 4.
10067 2006-05-01 DJ Delorie <dj@redhat.com>
10069 * vec.c: Include bconfig.h when appropriate.
10070 * Makefile.in (build/vec.o): Adjust dependencies.
10071 * mkconfig.sh: Make sure config.h isn't used for build machine
10074 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10076 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10078 (mark_phi_for_rewrite): New function.
10079 (insert_phi_nodes_for, mark_use_interesting): Call
10080 mark_phi_for_rewrite.
10081 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10082 (update_ssa): Initialize and free phis_to_rewrite.
10084 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10086 PR rtl-optimization/27291
10087 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10088 folded to a constant.
10090 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10092 PR tree-optimization/27283
10093 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10094 not whole # of iteration descriptions.
10095 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10096 uses abnormal ssa name.
10097 (niter_for_single_dom_exit): Ditto.
10098 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10099 return just the number of iterations.
10101 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10103 PR tree-optimization/27144
10104 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10105 (record_estimate): Only record constant upper bound.
10106 (infer_loop_bounds_from_undefined): Call
10107 compute_estimated_nb_iterations just once.
10108 (proved_non_wrapping_p): Renamed to ...
10109 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10110 (convert_step_widening, scev_probably_wraps_p): Call
10111 n_of_executions_at_most instead of proved_non_wrapping_p.
10112 (substitute_in_loop_info): Do not replace values in bounds.
10113 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10116 2006-05-01 Richard Henderson <rth@redhat.com>
10119 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10120 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10123 2006-05-01 Roger Sayle <roger@eyesopen.com>
10125 * c-typeck.c (parser_build_binary_op): Don't call the function
10126 unsigned_conversion_warning to spot operand/result type overflow.
10127 (build_binary_op): Instead, call convert_and_check instead of
10128 convert to report the problem when the operands are promoted.
10129 * c-common.c (unsigned_conversion_warning): Make static.
10130 * c-common.h (unsigned_conversion_warning): Delete prototype.
10132 2006-05-01 Richard Guenther <rguenther@suse.de>
10134 PR tree-optimization/26726
10135 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10137 (find_interesting_uses_address): ... we work around here
10138 by folding INDIRECT_REFs in the substituted base.
10140 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10142 * omp-low.c (dump_omp_region): Add newlines.
10144 2006-04-30 Roger Sayle <roger@eyesopen.com>
10146 * common.opt (Woverflow): New command line option.
10147 * c-common.c (constant_expression_warning): Check warn_overflow.
10148 (overflow_waring): Pass OPT_Woverflow to warning.
10149 (unsigned_conversion_warning): Likewise.
10150 (convert_and_check): Likewise.
10151 * doc/invoke.texi: Document new command line option.
10153 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10155 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10156 TARGET_NO_FP_IN_TOC for section anchors.
10157 (optimization_options): Enable section anchors for all
10158 non-"Objective" languages.
10160 2006-04-28 Eric Christopher <echristo@apple.com>
10162 * config/darwin-c.c (darwin_ms_struct): Move this
10163 (darwin_set_default_type_attributes): and this...
10164 * config/darwin.c: ... here.
10165 * config/darwin.h (darwin_ms_struct): Declare.
10167 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10171 2006-04-28 Roger Sayle <roger@eyesopen.com>
10174 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10175 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10176 an unsigned HOST_WIDE_INT.
10177 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10179 (really_start_incremental_init): No need to call convert because
10180 bitsize_zero_node is already of type bitsizetype.
10181 (push_init_level): Extract the value of constructor_index as an
10182 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10183 (process_init_element): Likewise.
10185 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10187 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10188 value before passing to make_relative_prefix.
10190 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10192 PR middle-end/27260
10193 * builtins.c (expand_builtin_memset): Expand val in original mode.
10195 2006-04-27 Eric Christopher <echristo@apple.com>
10197 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10198 with #ifndef/#endif.
10199 * config/darwin-c.c (darwin_ms_struct): New.
10200 (darwin_pragma_ms_struct): Ditto.
10201 (darwin_set_default_type_attributes): Ditto.
10202 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10203 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10204 Register ms_struct pragma.
10205 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10206 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10207 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10208 darwin_set_default_type_attributes if TARGET_MACHO.
10210 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10212 PR tree-optimization/26854
10213 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10214 * doc/tree-ssa.texi: Update immuse iterator documentation.
10215 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10216 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10217 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10218 first_safe_imm_use, next_safe_imm_use): Remove.
10219 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10220 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10221 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10222 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10223 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10224 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10225 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10226 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10227 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10228 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10229 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10230 (perfect_nestify): Use new iterator.
10231 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10233 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10234 (next_imm_name): New field in struct immediate_use_iterator_d.
10235 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10236 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10237 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10238 * tree-cfg.c (replace_uses_by): Use new iterator.
10239 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10240 * tree-ssa-operands.c (correct_use_link): Remove.
10241 (finalize_ssa_use_ops): No longer call correct_use_link.
10243 2006-04-27 Stuart Hastings <stuart@apple.com>
10245 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10246 * config/t-darwin (crt3.o): Use it.
10247 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10248 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10249 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10250 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10251 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10254 2006-04-27 Roger Sayle <roger@eyesopen.com>
10256 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10257 size, force the intermediate into a new pseudo rather instead of
10258 performing both a bitwise AND and a bitwise IOR in memory.
10260 2006-04-27 Richard Guenther <rguenther@suse.de>
10262 PR rtl-optimization/26685
10263 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10264 this one "max-flow-memory-locations".
10266 2006-04-27 Richard Guenther <rguenther@suse.de>
10268 PR tree-optimization/25148
10269 * tree-vrp.c (compare_values): Remove code dealing with
10270 comparisons against type min/max value. Honour overflow
10271 and negative constants in code dealing with comparisons
10272 of plus and minus expressions.
10273 (value_inside_range): Use fold_binary with LE_EXPR and
10274 GE_EXPR rather than compare_values.
10276 2006-04-27 Dirk Mueller <dmueller@suse.de>
10278 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10281 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10283 * basic-block.h (safe_insert_insn_on_edge): Removed.
10284 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10286 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10287 Paolo Bonzini <bonzini@gnu.org>
10289 PR middle-end/27282
10290 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10291 (simplify_and_const_int): Same.
10293 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10295 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10297 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10300 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10301 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10302 cgraph_global_info_ready.
10304 PR middle-end/26913
10305 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10308 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10309 either decl or init is error_mark_node.
10311 PR middle-end/25989
10312 * tree-flow.h (struct omp_region): Add sched_kind.
10313 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10314 instead of extracting omp for data.
10315 (expand_omp_for): Save extracted sched_kind.
10317 2006-04-25 Roger Sayle <roger@eyesopen.com>
10319 * expmed.c (store_bit_field): Also check whether the bitsize is
10320 valid for the machine's "insv" instruction before moving the
10321 target into a pseudo for use with the insv.
10322 * config/i386/predicates.md (const8_operand): New predicate.
10323 * config/i386/i386.md (extv, extzv, insv): Use the new
10324 const8_operand predicate where appropriate.
10326 2006-04-25 DJ Delorie <dj@redhat.com>
10328 * doc/install.texi (Specific): Clarify that this is not a list of
10329 supported hosts or targets.
10331 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10333 PR rtl-optimization/26725
10334 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10335 block's BB_DIRTY flag.
10337 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10339 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10342 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10343 to print an integer.
10345 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10347 * varasm.c (align_variable): New function.
10348 (get_block_for_decl): Apply align_variable to DECL before
10349 calculating section information.
10350 (assemble_variable): Split out alignment computation.
10352 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10354 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10357 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10359 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10360 MODE_PARTIAL_INT mode.
10361 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10362 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10364 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10365 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10367 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10369 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10371 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10372 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10373 MACFLAG_IH): Likewise.
10374 (movstricthi_1): Renamed from "*movstricthi".
10375 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10376 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10377 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10378 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10379 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10380 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10381 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10382 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10383 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10384 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10385 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10386 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10387 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10388 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10389 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10391 * doc/rtl.texi (ss_ashift): Improve wording.
10393 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10395 * dwarf2out.c (verify_marks_clear): New.
10396 (prune_unused_types): Call verify_marks_clear initially, not
10399 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10401 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10402 * doc/rtl.texi: Document them.
10403 * simplify-rtx.c (simplify_unary_operation,
10404 simplify_binary_operation_1): Don't abort when we see them.
10406 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10409 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10410 * configure.ac: Completely disregard languages that are not
10412 * configure: Regenerated.
10414 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10415 Richard Guenther <rguenther@suse.de>
10417 PR tree-optimization/27236
10418 * tree-inline.c (copy_body_r): Make sure to copy
10419 TREE_THIS_VOLATILE flag.
10421 2006-04-24 Richard Guenther <rguenther@suse.de>
10423 PR middle-end/26869
10424 * tree-complex.c (update_parameter_components): Don't handle
10425 unused parameters which have no default def.
10427 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10428 Richard Guenther <rguenther@suse.de>
10430 PR tree-optimization/27218
10431 * tree-inline.c (expand_call_inline): Strip useless type
10432 conversions for the return slot address.
10434 2006-04-24 Richard Guenther <rguenther@suse.de>
10436 * cfgloop.h (struct loops): Remove unused field array. Reorder
10438 (LOOP_PREFETCH): Remove.
10440 2006-04-24 Richard Guenther <rguenther@suse.de>
10442 PR tree-optimization/22525
10443 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10444 variable, adjust types of generated expressions.
10446 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10448 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10449 (tree-vect-patterns.o): Likewise.
10450 (jump.o): Likewise.
10451 (cselib.o): Likewise.
10452 (loop-doloop.o): Likewise.
10453 (regclass.o): Likewise.
10454 (reload1.o): Likewise.
10455 (explow.o): Replace target.h with $(TARGET_H).
10456 (ipa-prop.o): Likewise.
10457 (ipa-cp.o): Likewise.
10458 (ipa-inline.o): Likewise.
10459 (reorg.o): Likewise.
10460 (reg-stack.o): Likewise.
10462 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10464 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10466 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10468 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10470 * configure.ac: Completely disregard languages that are not
10472 * configure: Regenerated.
10475 * c-common.h (c_build_bitfield_integer_type): Declare.
10476 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10477 * c-common.c (c_build_bitfield_integer_type): ... here.
10479 2006-04-23 Roger Sayle <roger@eyesopen.com>
10482 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10483 a SImode SUBREG of a floating point register after no_new_pseudos.
10485 2006-04-23 Roger Sayle <roger@eyesopen.com>
10487 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10488 identify potentially eliminable registers to additionally catch
10489 VIRTUAL_INCOMING_ARGS_REGNUM.
10490 (addsi3): Update the conditions on when to use addsi_small_int.
10492 2006-04-23 Roger Sayle <roger@eyesopen.com>
10495 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10496 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10497 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10499 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10501 * fold-const.c (range_predecessor): Use operand_equal_p
10502 as the predicate for equality.
10503 (range_successor): Likewise.
10505 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10508 * config/soft-fp/op-common.h: Fix a typo.
10510 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10512 PR libmudflap/26864
10513 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10514 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10516 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10518 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10520 * doc/tm.texi: Fix a typo.
10522 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10524 * dwarf2out.c (struct die_struct): Document that die_sib makes
10525 a circular linked list.
10526 (FOR_EACH_CHILD): New.
10527 (reverse_die_lists): Delete.
10528 (reverse_all_dies): Delete.
10529 (add_dwarf_attr): Correct documentation.
10530 (remove_child_with_prev): New.
10531 (remove_child_TAG): Update for change to die_struct, use
10532 remove_child_with_prev.
10533 (add_child_die): Update for change to die_struct.
10534 (splice_child_die): Use remove_child_with_prev and add_child_die.
10535 (print_die): Use FOR_EACH_CHILD.
10536 (die_checksum): Likewise.
10537 (assign_symbol_names): Likewise.
10538 (output_location_lists): Likewise.
10539 (build_abbrev_table): Likewise.
10540 (calc_die_sizes): Likewise.
10541 (mark_dies): Likewise.
10542 (unmark_dies): Likewise.
10543 (unmark_all_dies): Likewise.
10544 (output_die): Likewise.
10545 (prune_unused_types_mark): Likewise.
10546 (prune_unused_types_walk): Likewise.
10547 (same_die_p): Update for change to die_struct.
10548 (break_out_includes): Likewise.
10549 (prune_unused_types_prune): Likewise.
10550 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10551 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10552 it's already clear.
10553 (dwarf2out_finish): Don't call reverse_all_dies.
10555 2006-04-21 Eric Christopher <echristo@apple.com>
10557 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10558 in comments and function names.
10560 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10563 * c-typeck.c (digest_init): Robustify.
10565 * c-typeck.c (pop_init_level): Simplify.
10567 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10569 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10571 2006-04-21 Paul Brook <paul@codesourcery.com>
10573 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10574 hardware floating point.
10576 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10578 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10581 2006-04-21 Nick Clifton <nickc@redhat.com>
10583 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10586 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10589 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10590 C++ lang type in traceback table for Objective-C++.
10592 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10594 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10596 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10598 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10601 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10602 were errors. Remove check for erroneous objects.
10604 2006-04-20 Jeff Law <law@redhat.com>
10606 PR tree-optimization/26854
10607 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10608 checking for zero or one use.
10609 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10610 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10611 * tree-ssa-reassoc.c (negate_value): Similarly.
10612 (reassociate_bb): Similarly.
10614 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10616 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10617 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10618 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10620 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10622 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10623 fp regs if the last fp arg doesn't fit in regs.
10625 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10628 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10629 that the last insn has the REG_INC note.
10631 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10632 Nathan Sidwell <nathan@codesourcery.com>
10635 * stor-layout.c (update_alignment_for_field): Do not align
10637 (place_union_field): Place union field at the start of the union.
10638 (place_field): Move ERROR_MARK check later, and use the current
10639 allocation position to maintain monotonicity.
10641 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10643 * dominance.c: Include timevar.h.
10644 (calculate_dominance_info): Use TV_DOMINANCE.
10645 * timevar.def (TV_DOMINANCE): New timevar.
10646 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10648 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10650 PR rtl-optimization/14261
10651 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10652 move would be an INSV insn.
10653 (noce_process_if_block): Don't optimize if the destination is a
10654 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10656 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10658 * config/s390/s390.md: Add comments with the instructions emitted
10659 by an insn pattern if macros are used.
10661 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10663 PR rtl-optimization/26026
10664 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10665 is a known power of two shifted left a variable amount.
10667 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10669 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10670 to hash table twice when the debug_str section has SECTION_MERGE.
10672 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10674 * config/soft-fp: New directory. From glibc.
10675 * config/soft-fp/t-softfp: New.
10676 * config/soft-fp/README: New.
10677 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10678 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10679 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10680 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10681 * config.gcc: Use rs6000/t-fprules-fpbit or
10682 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10684 * config/rs6000/sfp-machine.h: New. Based on glibc.
10685 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10687 * config/rs6000/t-fprules: Remove fp-bit rules.
10688 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10689 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10690 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10691 (softfp_wrap_start, softfp_wrap_end): New.
10693 2006-04-18 DJ Delorie <dj@redhat.com>
10695 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10697 2006-04-18 Devang Patel <dpatel@apple.com>
10699 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10701 2006-04-18 Nick Clifton <nickc@redhat.com>
10703 * config/sh/t-symbian: Add rule to build sh-c.o
10704 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10705 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10706 (sh_symbian_encode_section_info): Likewise.
10708 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10710 * builtins.c (expand_builtin_strcmp): Cover label definition of
10711 do_libcall with HAVE_cmpstrnsi.
10713 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10715 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10717 * function.h (temp_slot_p): New.
10718 (function): Change the type of x_used_temp_slots to
10719 VEC(temp_slot_p,gc) *.
10721 2006-04-18 Nick Clifton <nickc@redhat.com>
10723 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10724 flag_strength_reduce.
10726 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10728 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10732 Partial revert of revision 112637
10733 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10734 Dale Johannesen <dalej@apple.com>
10737 * regclass.c (struct reg_pref): Update documentation.
10738 (regclass): Set prefclass to NO_REGS if memory is the best option.
10739 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10741 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10743 PR tree-optimization/26821
10744 * tree-ssa-math-opts.c (get_constant_one): New.
10745 (insert_reciprocals): Use it.
10747 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10749 * dwarf2out.c (free_AT): Delete.
10750 (remove_AT): Update string ref counts.
10751 (remove_child_TAG): Don't call free_die.
10752 (free_die): Delete.
10753 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10754 or DW_TAG_GNU_EINCL.
10755 (prune_unused_types_walk_attribs): Reset string refcounts.
10756 (prune_unused_types_update_strings): New.
10757 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10758 call free_die. Do call prune_unused_types_update_strings.
10759 (prune_unused_types): Empty debug_str_hash.
10761 2006-04-17 Roger Sayle <roger@eyesopen.com>
10763 * expr.c (expand_assignment): Optimize away no-op moves where the
10764 source and destination are equal and have no side-effects.
10766 2006-04-17 Richard Guenther <rguenther@suse.de>
10769 * reload.c (push_reload): Guard calls to get_secondary_mem
10770 for memory subregs.
10772 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10774 * alias.c (reg_base_value, old_reg_base_value): Change the
10775 type to VEC(rtx,gc) *.
10776 (REG_BASE_VALUE, find_base_value, record_set,
10777 init_alias_analysis): Use VEC instead of VARRAY.
10779 * alias.c (alias_sets): Change the type to
10780 VEC(alias_set_entry,gc) *.
10781 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10782 VEC instead of VARRAY.
10783 (last_alias_set): Remove.
10785 * cgraph.h (cgraph_edge_p): New.
10786 Update the prototype of cgraph_function_versioning.
10787 * cgraphunit.c (cgraph_copy_node_for_versioning,
10788 cgraph_function_versioning): Use VEC instead of VARRAY.
10789 * ipa-cp.c (ipcp_insert_stage): Likewise.
10791 2006-04-16 Roger Sayle <roger@eyesopen.com>
10794 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10795 "A op B" or "A op C", we may need to convert A to the type of B and C.
10797 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10799 * target.h (struct gcc_target): Add mode_rep_extended.
10800 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10801 (init_num_sign_bit_copies_in_rep): Initialize it using
10803 (truncate_to_mode): Use it.
10804 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10805 * targhooks.h (default_mode_rep_extended): Declare it.
10806 * targhooks.c (default_mode_rep_extended): Define it.
10807 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10808 default_mode_rep_extended.
10809 (TARGET_INITIALIZER): Include it.
10810 * doc/tm.texi (Misc): Document it.
10811 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10812 (mips_truncated_to_mode): New function.
10814 2006-04-16 Roger Sayle <roger@eyesopen.com>
10816 PR middle-end/25474
10817 * expr.c (compress_float_constant): Copy the narrow constant into
10818 a new pseudo before extending it to its final width.
10820 2006-04-16 Roger Sayle <roger@eyesopen.com>
10821 Andrew Pinski <pinskia@gcc.gnu.org>
10822 Dale Johannesen <dalej@apple.com>
10825 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10826 special case code to implement V8HImode and V16QImode with SSE2.
10828 2006-04-15 Roger Sayle <roger@eyesopen.com>
10830 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10831 trees are constructed with a suitable tree type.
10833 2006-04-15 Roger Sayle <roger@eyesopen.com>
10835 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10836 (integer_onep): Likewise.
10837 (integer_all_onesp): Likewise.
10838 (integer_pow2p): Likewise.
10839 (integer_nonzerop): Likewise.
10840 (real_zerop): Likewise.
10841 (real_onep): Likewise.
10842 (real_twop): Likewise.
10843 (real_minus_onep): Likewise.
10844 (int_size_in_bytes): Likewise.
10845 (host_integerp): Likewise.
10847 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10849 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10850 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10851 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10853 * tree-ssa-structalias.h (alias_info): Remove num_references.
10855 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10857 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10858 (output_bvb patterns): Likewise.
10859 * pa.c (output_bb): Use 'bb' insn for long branch case.
10860 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10861 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10862 1. Correct length operand for alternatives 1 and 2.
10863 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10864 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10866 2006-04-14 Roger Sayle <roger@eyesopen.com>
10868 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10869 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10870 were accidentally reverted by r112959.
10872 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10874 PR middle-end/26823
10875 * except.h (eh_region_outermost): New prototype.
10876 * except.c (eh_region_outermost): New function.
10877 * tree-cfg.c (find_outermost_region_in_block): Use it.
10879 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10881 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10883 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10884 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10885 (init_reload, reload): Use VEC instead of VARRAY.
10886 * reload.h: Update the prototype for
10887 reg_equiv_memory_loc_varray.
10889 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10890 Eric Botcazou <ebotcazou@libertysurf.fr>
10892 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10893 register save area.
10895 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10897 PR middle-end/27134
10898 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10899 to expand fallback builtin function call.
10901 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10903 PR middle-end/27095
10904 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10905 and emit libcall here in case the builtin fails.
10906 (expand_builtin_strcmp): Always emit the libcall here on failure.
10908 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10910 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10911 * flow.c (reg_n_info): Change the type to
10912 VEC(reg_info_p,heap) *.
10913 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10915 * regs.h (reg_info_p): New.
10916 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10917 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10918 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10921 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10923 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10925 * params.h (MAX_SCHED_READY_INSNS): New macro.
10926 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10927 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10928 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10929 the ready list for 1 cycle during the first scheduling pass.
10930 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10932 2006-04-13 Richard Henderson <rth@redhat.com>
10935 * gimple-low.c (lower_omp_directive): Remove dead code.
10936 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10937 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10938 * omp-low.c (struct omp_region): Move to tree-flow.h.
10939 (root_omp_region): Export.
10940 (omp_regions, lookup_omp_region): Remove.
10941 (determine_parallel_type): Update for struct omp_region changes.
10942 (dump_omp_region): Dump regions with block numbers.
10943 (new_omp_region): Take type and block instead of stmt; malloc
10945 (free_omp_region_1, free_omp_regions): New.
10946 (expand_parallel_call): Take entry_stmt as argument; update for
10947 changes to omp_region.
10948 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10949 (remove_exit_barriers): New.
10950 (expand_omp_parallel): Update for struct omp_region changes.
10951 (expand_omp_synch): Likewise.
10952 (expand_omp): Likewise.
10953 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10954 (expand_omp_for_static_chunk): Likewise.
10955 (expand_omp_for): Likewise.
10956 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10957 (expand_omp_sections): Similarly, with GOMP_sections_end.
10958 (expand_omp_single): New.
10959 (build_omp_regions_1): Update for OMP_CONTINUE.
10960 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10961 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10962 OMP_SECTIONS_SECTIONS.
10963 (lower_omp_single_simple): Don't emit barrier here.
10964 (lower_omp_single_copy): Likewise.
10965 (lower_omp_single): Fix bindings, and lower to straightline now.
10966 (lower_omp_master, lower_omp_ordered): Likewise.
10967 (lower_omp_critical): Likewise.
10968 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10969 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10970 omp edges, free it afterward.
10971 (make_omp_sections_edges): Remove.
10972 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10973 (move_stmt_r): Handle OMP_CONTINUE.
10974 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10975 statement pointers to basic blocks. Add type member.
10976 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10977 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10978 * tree-inline.c (estimate_num_insns_1): Likewise.
10979 * tree-pretty-print.c (dump_generic_node): Likewise.
10980 * tree-ssa-operands.c (get_expr_operands): Likewise.
10981 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10982 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10983 (OMP_CONTINUE): New.
10984 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10985 (OMP_SECTIONS_SECTIONS): Remove.
10986 (OMP_SECTION_LAST): New.
10987 (OMP_RETURN_NOWAIT): New.
10989 2006-04-13 Roger Sayle <roger@eyesopen.com>
10991 * fold-const.c (native_encode_vector, native_interpret_real):
10992 Correct obvious mistakes in the previous check-in.
10994 2006-04-13 Roger Sayle <roger@eyesopen.com>
10996 * fold-const.c (native_encode_expr): New function to encode
10997 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10998 or VECTOR_CST into a specified buffer.
10999 (native_encode_int): New function.
11000 (native_encode_real): New function.
11001 (native_encode_complex): New function.
11002 (native_encode_vector): New function.
11003 (native_interpret_expr): Inverse of native_encode_expr to convert
11004 a target representation into an INTEGER_CST, REAL_CST etc...
11005 (native_interpret_int): New function.
11006 (native_interpret_real): New function.
11007 (native_interpret_complex): New function.
11008 (native_interpret_vector): New function.
11009 (fold_view_convert_expr): New function to constant fold/evaluate
11010 a VIEW_CONVERT_EXPR of a suitable constant expression.
11011 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11012 Change call of build1 to fold_build1 when constructing a
11015 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11016 Ulrich Weigand <uweigand@de.ibm.com>
11019 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11022 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11025 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11026 optimize to lo_sum for DFmode if !TARGET_FPRS.
11028 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11030 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11031 delete_alias_info, compute_flow_sensitive_aliasing,
11032 group_aliases): Use VEC instead of VARRAY.
11033 * tree-ssa-structalias.c (update_alias_info): Likewise.
11034 * tree-ssa-structalias.h (alias_info): Change the type of
11035 processed_ptrs to VEC(tree,heap) *.
11037 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11040 * config/sh/lib1funcs.h: New file, broken out of:
11041 * config/sh/lib1funcs.asm.
11042 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11044 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11045 * config/sh/lib1funcs-Os-4-200.asm: New file.
11046 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11047 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11048 (EXTRA_MULTILIB_PARTS): Include it.
11049 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11050 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11051 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11052 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11055 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11057 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11058 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11059 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11061 * tree-ssa-live.h: Include vecprim.h.
11062 (tree_partition_associator_d): Change the type of
11063 first_partition to VEC(int,heap) *.
11064 (tpa_first_partition): Use VEC instead of VARRAY.
11066 * Makefile.in (GTFILES): Move functions.h after tree.h.
11067 * function.c (reset_block_changes, record_block_change,
11068 check_block_change, free_block_changes): Use VEC instead of
11070 * function.h (function): Change the type of
11071 ib_boundaries_block to VEC(tree,gc) *.
11072 * tree-inline.c (copy_cfg_body): Initialize
11073 ib_boundaries_block to NULL instead of (varray_type) 0.
11075 2006-04-12 Roger Sayle <roger@eyesopen.com>
11077 * expr.c (emit_group_store): Correct operand order in call to
11078 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11079 a SUBREG_BYTE of zero.
11081 2006-04-12 Richard Guenther <rguenther@suse.de>
11083 * profile.c (compute_branch_probabilities): Remove code
11084 encapsulated in !ir_type (), which are remanents of the
11085 removed RTL profiling code.
11086 * rtl-profile.c: Remove.
11088 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11090 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11091 magic NULL_RTX comment.
11092 (function_arg): Store entire fp arg to mem if any part should go
11094 (rs6000_arg_partial_bytes): Adjust for above change.
11096 2006-04-11 Roger Sayle <roger@eyesopen.com>
11098 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11099 if it hasn't been initialized by dwarf2out_init.
11101 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11103 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11104 symbolic constants in branch patterns.
11106 2006-04-11 Roger Sayle <roger@eyesopen.com>
11108 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11110 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11112 PR rtl-optimization/27073
11113 * gcse.c (try_replace_reg): Revert last change. Continue to search
11114 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11117 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11119 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11120 aggregate types other than record and union types.
11121 (function_arg): Likewise.
11122 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11124 (function_value): In 64-bit mode, return objects that require it
11127 2006-04-11 Roger Sayle <roger@eyesopen.com>
11129 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11131 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11133 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11135 2006-04-03 Jeff Law <law@redhat.com>
11138 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11139 alias information too.
11141 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11143 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11145 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11148 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11149 (premark_used_types_helper): New.
11150 (premark_used_types): New.
11151 (gen_subprogram_die): Call premark_used_types.
11152 (prune_unused_types_walk): Do not prune perennial dies.
11153 * function.c (used_types_insert): New.
11154 * function.h (struct function): Add used_types_hash field.
11155 (used_types_insert): Add prototype.
11156 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11157 * c-parser.c (c_parser_cast_expression): Save casted types in used
11160 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11163 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11164 rs6000_explicit_options.float_gprs.
11166 2006-04-10 Roger Sayle <roger@eyesopen.com>
11168 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11169 from ix86_expand_vector_init_low_nonzero. Take an additional
11170 one_var argument indicating which element is non-zero. Support
11171 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11172 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11173 with one_var instead of ix86_expand_vector_init_low_nonzero.
11175 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11177 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11178 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11179 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11180 build/genextract.o): Depend on vecprim.h.
11181 * cfglayout.c, df-problems.c, function.c, genextract.c,
11182 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11183 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11187 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11189 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11190 Declare VECs of this type.
11191 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11192 (remove_children): Delete.
11193 (add_dwarf_attr): Use VEC routines.
11194 (add_AT_flag): Update for changes to add_dwarf_attr.
11195 (add_AT_int): Likewise.
11196 (add_AT_unsigned): Likewise.
11197 (add_AT_long_long): Likewise.
11198 (add_AT_vec): Likewise.
11199 (add_AT_string): Likewise.
11200 (add_AT_die_ref): Likewise.
11201 (add_AT_fde_ref): Likewise.
11202 (add_AT_loc): Likewise.
11203 (add_AT_loc_list): Likewise.
11204 (add_AT_addr): Likewise.
11205 (add_AT_lbl_id): Likewise.
11206 (add_AT_lineptr): Likewise.
11207 (add_AT_macptr): Likewise.
11208 (add_AT_offset): Likewise.
11209 (add_AT_range_list): Likewise.
11210 (get_AT): Use VEC_iterate.
11211 (remove_AT): Use VEC_ordered_remove.
11212 (free_die): Fold remove_children into here; have it use VEC_iterate.
11213 (print_die): Use VEC_iterate on attrs.
11214 (reverse_die_lists): Don't reverse attr lists.
11215 (die_checksum): Use VEC_iterate on attrs.
11216 (same_die_p): Likewise.
11217 (output_location_lists): Likewise.
11218 (build_abbrev_table): Likewise.
11219 (size_of_die): Likewise.
11220 (unmark_all_dies): Likewise.
11221 (output_abbrev_section): Likewise.
11222 (output_die): Likewise.
11223 (prune_unused_types_walk_attribs): Likewise.
11225 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11227 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11229 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11232 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11234 2006-04-09 Roger Sayle <roger@eyesopen.com>
11236 * expr.c (store_constructor): Don't bother clearing target if
11237 we're about to assign a vector to it using vec_init_optab.
11239 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11241 * tree-ssa-alias.c (lhs_may_store_to): New function.
11242 (recalculate_used_alone): Handle LHS of calls.
11244 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11248 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11249 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11250 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11251 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11252 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11253 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11254 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11255 stubs. Add ".align 8" directives before all ".dword" directives.
11256 (GTHREAD_USE_WEAK): Revise comment.
11257 (TARGET_ATTRIBUTE_WEAK): Define.
11258 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11259 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11260 * stublib.c: New file.
11265 * pa.md (cbranch patterns): Revise arguments used in calls to
11266 output_cbranch, output_bb and output_bvd. Add long branch length
11268 (fbranch patterns): Handle long branches.
11269 (jump): Revise length check. Revise arguments for output_lbranch call.
11270 Add long branch length attributes.
11271 (decrement_and_branch_until_zero): Add long branch length attributes.
11272 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11273 Likewise. Revise arguments for output_parallel_addb and
11274 output_parallel_movb calls.
11275 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11276 output_parallel_movb and output_parallel_addb): Update prototypes.
11277 * pa.c (output_cbranch): Revise arguments. Correct handling of
11278 nullification in long branches.
11279 (output_lbranch): Add new argument to control extraction of delay
11281 (output_bb): Handle long branches.
11282 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11283 output_parallel_addb): Likewise.
11285 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11287 PR rtl-optimization/27073
11288 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11291 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11293 * tree.h (tree_memory_tag): Add old_used_alone.
11294 (SMT_OLD_USED_ALONE): New macro.
11295 * tree-ssa-alias.c (recalculate_used_alone): Stop
11296 marking things for renaming unnecessarily.
11298 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11300 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11301 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11302 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11303 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11304 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11305 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11306 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11307 spelling convensions.
11308 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11309 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11310 typos. Follow spelling conventions.
11312 2006-04-07 DJ Delorie <dj@redhat.com>
11314 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11315 passed on the stack.
11316 (m32c_init_cumulative_args): When a function returns a structure,
11317 always pass the pointer to that return area on the stack.
11318 (m32c_function_arg_advance): Don't increment the parameter number
11319 if we're processing the returned structure pointer.
11320 (pushm_info): Reverse order of registers.
11322 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11324 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11325 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11326 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11327 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11328 build_int_cst_type.
11329 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11330 chrec_fold_multiply): Same.
11331 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11332 force_expr_to_var_cost): Same.
11333 * tree-mudflap.c (mf_xform_derefs_1): Same.
11334 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11336 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11338 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11339 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11342 2006-04-07 Jan Hubicka <jh@suse.cz>
11344 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11346 2006-04-07 Richard Guenther <rguenther@suse.de>
11348 PR tree-optimization/26135
11349 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11350 loads for store copy-prop.
11351 (copy_prop_visit_stmt): Likewise.
11353 2006-04-05 Robert Millan <robertmh@gnu.org>
11355 * config/i386/linux.h: Add a comment to mark macros that are
11356 being overriden in config/k*bsd-gnu.h.
11357 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11359 * config/knetbsd-gnu.h: Ditto.
11361 2006-04-06 Jan Hubicka <jh@suse.cz>
11365 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11368 2006-04-06 Mike Stump <mrs@apple.com>
11370 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11371 for HAVE_nonlocal_goto to be consistent.
11372 (expand_builtin_nonlocal_goto): Likewise.
11373 (expand_builtin_strcmp): Use #ifdef instead of #if
11374 for HAVE_cmpstrnsi to be consistent.
11376 2006-04-05 DJ Delorie <dj@redhat.com>
11378 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11381 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11383 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11384 got-relative addressing for anything but SImode.
11386 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11387 even if the calling function doesn't modify them.
11389 2006-04-05 Richard Guenther <rguenther@suse.de>
11391 PR tree-optimization/26919
11392 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11393 to cgraph_estimate_size_after_inlining.
11395 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11397 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11399 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11401 PR tree-optimization/26996
11402 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11403 VECTOR_TYPE variables.
11405 2006-04-05 Richard Guenther <rguenther@suse.de>
11407 PR tree-optimization/26763
11408 * fold-const.c (fold_comparison): Move folding of
11409 PTR + CST CMP PTR + CST ...
11410 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11412 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11414 * doc/install.texi (Prerequisites): Refine some wording on
11415 bootstrapping and ksh.
11416 Move the version numbers of DejaGnu here from the testing section
11417 and fix casing of names.
11418 Fix markup and clarify wording for autogen requirements.
11419 Refer to GCJ instead of just java.
11420 Refer to SVN instead of CVS.
11421 Describe diffutils as useful instead of necessary.
11422 (Downloading the source): Refer to SVN instead of CVS.
11423 Adjust a link to our web site accordingly.
11424 (Configuration): Fix casing of Bison.
11425 (Building): Refer to SVN instead of CVS.
11426 Fix a sentence on the use of Bison and remove duplicate (and
11427 incorrect) version number of Bison requirement.
11428 Remove one redundant list of packages needed for building.
11429 (Specific): Avoid reference to CVS.
11431 2006-04-04 Eric Christopher <echristo@apple.com>
11433 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11434 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11435 (rs6000_handle_struct_attribute): New.
11436 (rs6000_ms_bitfield_layout_p): Ditto.
11438 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11440 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11441 NULL for dso parameter to atexit_common.
11443 2006-04-04 Eric Christopher <echristo@apple.com>
11445 * config/i386/i386.c (machopic_output_stub): Output \t
11446 between instructions and operands.
11448 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11450 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11451 satisfies_constraint_[IL] to explicit tests on value.
11453 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11455 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11456 set_nb_iterations_in_loop): Use build_int_cst instead of
11457 build_int_cst_type.
11458 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11459 build_int_cst instead of convert.
11461 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11463 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11464 new value 2 for incoming.
11465 * function.c (expand_function_start): Call struct_value_rtx
11466 with incoming as 2.
11467 * config/sparc/sparc.md: Comment updated_return.
11468 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11469 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11470 struct return if sparc_std_struct_return and incoming is 2.
11471 (print_operand): Do not adjust return if
11472 sparc_std_struct_return.
11474 2006-04-04 Roger Sayle <roger@eyesopen.com>
11476 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11477 convert in the middle-end.
11478 * expr.c (store_expr, store_constructor, get_inner_reference,
11479 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11481 * tree.c (build_range_type): Likewise.
11483 2006-04-04 Tom Tromey <tromey@redhat.com>
11485 * doc/install.texi (Prerequisites): Mention jar.
11487 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11489 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11492 2006-04-04 Matthias Klose <doko@debian.org>
11494 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11498 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11501 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11503 * doc/extend.texi (Function Attributes): Rewrite visibility
11504 attribute documentation.
11505 * doc/invoke.texi (C++ Dialect Options): Rewrite
11506 -fvisibility-inlines-hidden documentation to describe something
11507 entirely different, although in practise compatible.
11508 (Code Gen Options): Warn about system headers in -fvisibility=
11511 * doc/extend.texi (Other Builtins): Document that
11512 __builtin_nan is a compile-time constant only when its argument
11515 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11517 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11518 trying to remove TRUNCATE check if all bits outside the new mode
11519 are identical to the sign bit.
11521 2006-04-03 Jeff Law <law@redhat.com>
11523 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11524 and operand scanning in some common cases.
11526 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11527 Dale Johannesen <dalej@apple.com>
11530 * regclass.c (struct reg_pref): Update documentation.
11531 (regclass): Set prefclass to NO_REGS if memory is the best option.
11532 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11533 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11534 into account. For non-registers, equate an empty preferred
11535 reload class to a `!' in the constraint; move the if clause to
11536 do so after those that reject the insn.
11537 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11539 (find_dummy_reload): Likewise.
11540 * doc/tm.texi (Register Classes): Document what it means
11541 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11542 * config/i386/i386.c (ix86_preferred_reload_class): Force
11543 using SSE registers (and return NO_REGS for floating-point
11544 constants) if math is done with SSE.
11545 (ix86_preferred_output_reload_class): New.
11546 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11547 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11548 * config/i386/i386.md: Remove # register preferences.
11550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11553 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11554 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11555 the type of nb_iter.
11556 (instantiate_parameters_1): Convert the operands before calling
11557 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11558 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11560 2006-04-02 Roger Sayle <roger@eyesopen.com>
11562 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11563 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11564 instead of convert.
11565 * dojump.c (do_jump): Likewise.
11566 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11567 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11568 gimplify_boolean_expr): Likewise.
11569 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11570 * varasm.c (array_size_for_constructor): Likewise.
11571 * tree-object-size.c (compute_object_offset): Likewise.
11573 2006-04-02 Roger Sayle <roger@eyesopen.com>
11575 PR middle-end/26977
11576 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11577 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11581 PR tree-optimization/26939
11582 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11584 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11586 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11587 at_stmt. Convert the type of operands before calling
11588 build_polynomial_chrec.
11589 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11590 add_to_evolution_1.
11591 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11592 (instantiate_parameters_1): Convert the type of operands before calling
11593 build_polynomial_chrec.
11594 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11595 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11596 reset_evolution_in_loop): Insert asserts to check the types of the
11598 (chrec_type): Moved...
11599 (eq_evolutions_p): Use operand_equal_p.
11600 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11601 the types of the operands.
11602 (chrec_type): ...here.
11603 * tree-data-ref.c (create_data_ref): Convert the operands before
11604 calling chrec_replace_initial_condition.
11605 (same_access_functions, analyze_subscript_affine_affine,
11606 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11607 (compute_subscript_distance, analyze_ziv_subscript,
11608 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11609 analyze_miv_subscript): Convert the operands before calling
11610 chrec_fold_minus or chrec_fold_plus.
11612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11614 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11615 the dependence_relations vector.
11616 (compute_data_dependences_for_loop): Adjust call to
11617 compute_all_dependences.
11619 2006-04-01 Roger Sayle <roger@eyesopen.com>
11620 Richard Henderson <rth@redhat.com>
11622 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11623 gimple_boolify on the condition before calling gimplify_expr.
11625 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11627 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11628 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11629 the frame size. Update to use the new macros.
11630 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11631 * config/xtensa/ieee754-df.S: Likewise.
11633 2006-03-31 Richard Henderson <rth@redhat.com>
11635 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11636 (make_edges): ... here. Control fallthru creation with a local
11637 variable. Do not play with fake edges.
11638 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11639 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11642 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11644 * dwarf2.h (DW64_CIE_ID): Define.
11645 * dwarf2out.c (DWARF_CIE_ID): Define.
11646 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11647 length header. Use DWARF_CIE_ID.
11648 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11649 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11651 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11653 * config/sh/linux-atomic.asm: New file.
11654 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11656 2006-03-31 DJ Delorie <dj@redhat.com>
11658 * config/m32c/cond.md: Set condition flags properly throughout.
11659 * config/m32c/minmax.md: Likewise.
11660 * config/m32c/prologue.md: Likewise.
11661 * config/m32c/bitops.md: Likewise.
11662 * config/m32c/muldiv.md: Likewise.
11663 * config/m32c/mov.md: Likewise.
11664 * config/m32c/addsub.md: Likewise.
11665 * config/m32c/m32c.md: Likewise.
11666 * config/m32c/jump.md: Likewise.
11667 * config/m32c/shift.md: Likewise.
11669 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11670 conditionally output the pattern for this.
11671 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11672 (m32c_compare_redundant): New.
11673 (m32c_output_compare): New.
11674 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11676 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11677 dest, not src. Allow other 4-byte modes.
11679 2006-03-30 Denis Chertykov <denisc@overta.ru>
11681 * doc/md.texi: Refer to avr/constraints.md instead of
11684 2006-03-30 Roger Sayle <roger@eyesopen.com>
11686 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11687 signed vs. unsigned comparison failures on some hosts.
11689 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11692 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11693 change to FLOAT_REGS.
11695 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11696 (rs6000_override_options): Use it.
11697 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11698 only for -mabi=spe/no-spe and -mabi=altivec.
11700 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11702 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11705 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11707 * Makefile.in: Rename docdir to gcc_docdir.
11709 2006-03-30 Roger Sayle <roger@eyesopen.com>
11712 * expr.c (emit_group_store): Optimize group stores into a pseudo
11713 register by using a paradoxical subreg to initialize the destination
11714 if the first or last member of the group specifies a "low part".
11716 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11719 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11720 * target.h (struct gcc_target.speculate_insn): Change type of the
11721 second parameter to 'int'.
11722 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11723 the second operand of the DEPS_LIST.
11724 (copy_DEPS_LIST_list): Update reference to the second operand of the
11726 * rtl.h (alloc_DEPS_LIST): Update signature.
11727 * sched-int.h (ds_t): Change typedef to 'int'.
11728 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11730 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11732 * haifa-sched.c (try_ready): Change condition to restore
11733 non-speculative pattern of the instruction.
11734 (process_insn_depend_be_in_spec): Code to keep probability of the
11735 speculative dependence non-decreasing.
11737 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11739 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11740 (single_move_for_movmem): ... this. Also change all uses.
11741 (bfin_expand_strmov): Renamed to...
11742 (bfin_expand_movmem): ... this. Also change all uses.
11743 * config/bfin/bfin.md (movstrsi): Renamed to...
11744 (movstrsi): ...this.
11746 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11748 PR tree-optimization/26830
11750 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11751 (copy_prop_visit_stmt): Remove write-only variable ann.
11752 (init_copy_prop): Check variable loop depth here. Do not simulate
11753 memory-tag and virtual operand PHIs except for store copy prop.
11755 2006-03-30 Richard Guenther <rguenther@suse.de>
11757 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11758 variants with double arguments.
11760 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11762 * genpreds.c (write_tm_constrs_h): Delete variable p.
11763 * genconditions.c (write_header): Add tm-constrs.h to included
11765 * genpeep.c (main): Add toplev.h to included headers.
11766 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11767 (build/genpeep.o): Add toplev.h dependency.
11768 * config/rs6000/constraints.md: Add "W" constraint.
11770 2006-03-29 Roger Sayle <roger@eyesopen.com>
11772 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11773 sizes by correctly testing whether the size fits a host integer.
11774 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11775 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11776 SImode range for the default sizetype and bitsizetype.
11778 2006-03-29 Roger Sayle <roger@eyesopen.com>
11780 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11781 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11782 quickly if the argument is already of the correct type.
11783 Call fold_build1 instead of build1. Tidy up blank lines.
11785 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11787 * genemit.c (main): Add tm-constrs.h to included headers.
11788 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11789 * genpeep.c (main): Add tm-constrs.h to included headers.
11790 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11791 (write_tm_constrs_h): this and write complete file.
11792 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11793 (write_insn_preds_c): Add tm-constrs.h to included headers.
11794 (gen_constrs): New variable.
11795 (parse_option): Parse "-c".
11796 (main): Invoke write_tm_constrs_h.
11797 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11798 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11799 (object_out_file): Add tm-constrs.h dependency.
11800 (insn-emit.o): Same.
11801 (insn-output.o): Same.
11802 (insn-peep.o): Same.
11803 (insn-preds.o): Same.
11804 (insn-recog.o): Same.
11805 (tm-constsr.h): New target.
11806 (s-constrs-h): New target.
11808 * config/rs6000/constraints.md: New file.
11809 * config/rs6000/rs6000.c: Include tm-constrs.h.
11810 (num_insn_constant_wide): Convert to satisfies_constraint.
11811 (rs6000_rtx_costs): Convert to satisfies_constraint.
11812 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11813 (CONST_OK_FOR_LETTER_P): Delete.
11814 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11815 (EXTRA_CONSTRAINT): Delete.
11816 (EXTRA_MEMORY_CONSTRAINT): Delete.
11817 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11818 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11819 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11820 satisfies_constraint.
11822 * config/i386/i386.c: Include tm-constrs.h.
11824 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11826 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11827 * tree-data-ref.c (find_data_references_in_loop,
11828 compute_data_dependences_for_loop): Use pointers to VEC.
11829 (analyze_all_data_dependences): Adjust calls.
11830 * tree-data-ref.h (find_data_references_in_loop,
11831 compute_data_dependences_for_loop): Adjust declarations.
11832 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11833 compute_data_dependences_for_loop.
11835 2006-03-29 Paul Brook <paul@codesourcery.com>
11837 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11838 (movdf_vfp): Ditto.
11840 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11842 PR tree-optimization/26859
11843 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11845 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11846 for the step after fold_convert.
11848 2006-03-29 Paul Brook <paul@codesourcery.com>
11850 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11851 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11853 2006-03-29 Paul Brook <paul@codesourcery.com>
11855 PR middle-end/23623
11856 * targhooks.c (default_narrow_bitfield): New fuction.
11857 * targhooks.h (default_narrow_bitfield): add prototype.
11858 * target.h (gcc_target): Add narrow_volatile_bitfield.
11859 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11860 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11861 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11862 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11864 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11866 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11868 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11869 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11870 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11871 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11872 (s390_function_arg_float): Allow SDmode and DDmode values to be
11873 passed in floating point registers.
11874 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11875 check with SCALAR_FLOAT_MODE_P.
11876 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11878 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11880 PR tree-optimization/25985
11881 * tree-ssa-loop-niter.c (number_of_iterations_le,
11882 number_of_iterations_ne): Make comments more precise.
11883 (number_of_iterations_cond): Add only_exit argument. Use the
11884 fact that signed variables do not overflow only when only_exit
11886 (loop_only_exit_p): New.
11887 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11888 number_of_iterations_cond.
11890 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11892 PR tree-optimization/26643
11893 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11896 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11898 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11899 (divsi3_i4_int): Likewise.
11901 2006-03-28 Roger Sayle <roger@eyesopen.com>
11903 * expr.c (emit_group_store): Only create a new pseudo reg if the
11904 quantity it needs to hold isn't already a suitable pseudo.
11906 2006-03-28 Jeff Law <law@redhat.com>
11908 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11909 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11911 2006-03-28 Roger Sayle <roger@eyesopen.com>
11913 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11914 the equivalent ~X & Y, and the symmetry related transformations.
11915 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11916 ~X & Y, and symmetry related transforms.
11918 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11920 Revert my 2006-03-27 patches.
11922 2006-03-28 Roger Sayle <roger@eyesopen.com>
11924 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11925 ~(T1)X, when T1 and T2 are integer types of the same precision
11926 and (T2)X isn't an extension.
11928 2006-03-28 Jeff Law <law@redhat.com>
11930 PR tree-optimization/26796
11931 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11932 need EH edge cleanups rather than purging them immediately.
11933 (eliminate_degenerate_phis): Handle queued EH cleanups.
11935 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11937 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11940 2006-03-27 Roger Sayle <roger@eyesopen.com>
11942 PR middle-end/22524
11943 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11944 cast BIT_NOT_EXPR operand to the correct type.
11946 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11948 * tree-loop-linear.c: Don't include varray.h.
11949 (gather_interchange_stats, try_interchange_loops,
11950 linear_transform_loops): Use VEC instead of VARRAY.
11951 * lambda-mat.c: Don't include varray.h.
11952 * tree-chrec.c: Same.
11953 * lambda-trans.c: Same.
11954 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11955 VEC instead of VARRAY.
11956 * tree-vectorizer.h: Idem.
11957 * tree-data-ref.c (dump_data_references,
11958 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11959 initialize_data_dependence_relation, finalize_ddr_dependent,
11960 compute_all_dependences, find_data_references_in_loop,
11961 compute_data_dependences_for_loop, analyze_all_data_dependences,
11962 free_dependence_relation, free_dependence_relations,
11963 free_data_refs): Idem.
11964 * tree-data-ref.h (data_reference_p, subscript_p): New.
11965 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11966 VEC instead of VARRAY.
11967 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11968 (find_data_references_in_loop, compute_data_dependences_for_loop,
11969 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11970 dump_data_dependence_relations, free_dependence_relations,
11971 free_data_refs): Adjust declaration.
11972 (lambda_transform_legal_p): Move declaration here...
11973 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11974 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11975 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11976 vect_analyze_data_refs): Use VEC instead of VARRAY.
11977 * lambda.h (lambda_transform_legal_p): ...from here.
11978 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11979 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11980 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11981 tree-chrec.o): Don't depend on VARRAY_H.
11983 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11985 * rtl.def (Copyright): Update date.
11986 (DEPS_LIST): Change type of the second operand to 'int'.
11987 * target.h (Copyright): Update date.
11988 (struct gcc_target.speculate_insn): Change type of the second parameter
11990 * lists.c (Copyright): Update date.
11991 (alloc_DEPS_LIST): Change signature. Update reference to the second
11992 operand of the DEPS_LIST.
11993 (copy_DEPS_LIST_list): Update reference to the second operand of the
11995 * rtl.h (Copyright): Update date.
11996 (alloc_DEPS_LIST): Update signature.
11997 * sched-int.h (Copyright): Update date.
11998 (ds_t): Change typedef to 'int'.
11999 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12001 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12003 * haifa-sched.c (Copyright): Update date.
12004 (try_ready): Change condition to restore non-speculative pattern
12005 of the instruction.
12006 (process_insn_depend_be_in_spec): Code to keep probability of the
12007 speculative dependence non-decreasing.
12009 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12011 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12012 shut up the compiler.
12014 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12016 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12017 to use lib prefix for target.
12018 ($(T)libic_invalidate_array_4-200.a): Likewise.
12019 ($(T)libic_invalidate_array_4a.a): Likewise.
12021 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12022 J"orn Rennecke <joern.rennecke@st.com>
12024 * superh.opt: New file.
12025 * sh.c (boardtype, osruntime): Remove.
12026 * superh.h (SUBTARGET_OPTIONS): Remove.
12027 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12029 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12030 arguments with ^ and/or [].
12032 * config.gcc (sh-*-*): Add quoting to account for quirk of
12034 Replace == with = in enable_incomplete_targets test.
12036 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12037 with MASK_LITTLE_ENDIAN.
12039 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12040 * config/sh/sh.opt: Added to some comments.
12041 * config/sh/superh.h: Removed some chaff.
12043 * config/sh/sh.opt: Add m4-[1234]00* options.
12044 * config/sh/sh.c (sh_handle_option): Likewise.
12045 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12046 (ic_invalidate_array_4-100.o): New rule.
12047 ($(T)libic_invalidate_array_4-100.a): Likewise.
12048 (ic_invalidate_array_4-200.o): Likewise.
12049 ($(T)libic_invalidate_array_4-200.a): Likewise.
12050 (ic_invalidate_array_4a.o): Likewise.
12051 ($(T)libic_invalidate_array_4a.a): Likewise.
12052 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12053 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12055 * config/sh/crt1.asm: Merged in profiling code.
12056 * config/sh/superh.h (STARTFILE_SPEC): Override.
12057 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12058 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12059 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12061 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12062 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12063 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12065 * sh.opt (mpretend-cmove): New option.
12066 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12067 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12068 (movsicc): Add TARGET_PRETEND_CMOVE code.
12070 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12072 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12073 s390_class_max_nregs): New function prototypes.
12074 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12075 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12076 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12077 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12079 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12081 * dwarf2out.c (add_location_or_const_value_attribute): Call
12082 tree_add_const_value_attribute if nothing else works.
12083 (reference_to_unused): New.
12084 (rtl_for_decl_init): Use reference_to_unused to decide whether
12085 to output an initializer.
12087 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12090 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12091 peephole removing spe frob_di_df_2.
12093 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12095 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12096 (subscript_dependence_tester_1): Declared.
12097 (print_dir_vectors, print_dist_vectors): New.
12098 (debug_data_dependence_relation): New.
12099 (dump_data_dependence_relation): Print more details.
12100 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12101 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12102 (save_dist_v, save_dir_v, add_outer_distances,
12103 build_classic_dist_vector_1): New.
12104 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12105 Don't test for lambda_vector_lexico_pos.
12106 (same_access_functions, add_multivariate_self_dist,
12107 add_other_self_distances, dir_from_dist): New.
12108 (build_classic_dir_vector): Replace implementation almost identical to
12109 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12111 (subscript_dependence_tester_1): New.
12112 (subscript_dependence_tester): Handle the lexicographically negative
12113 distance vectors by recomputing the dependence relation.
12114 (compute_affine_dependence): Remove parameter loop_nest_depth.
12115 (compute_self_dependence): Don't call compute_subscript_distance.
12116 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12117 Add a parameter for the loop_nest.
12118 (find_loop_nest_1, find_loop_nest): New.
12119 (compute_data_dependences_for_loop): Compute the loop nest, and give
12120 up if the nest is not well formed.
12121 * tree-data-ref.h (loop_p): New.
12122 (struct data_dependence_relation): Replace size_vect field with
12123 loop_nest, a vec of loops.
12124 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12125 (DDR_LOOP_NEST): New.
12126 (print_dir_vectors, print_dist_vectors,
12127 debug_data_dependence_relation): Declared.
12128 (index_in_loop_nest): New.
12129 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12130 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12133 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12135 * simplify-rtx.c (simplify_relational_operation): Call
12136 simplify_relational_operation_1 even if mode is VOIDmode.
12138 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12140 PR tree-optimization/26804
12141 * tree.h (DECL_CALL_CLOBBERED): New macro.
12142 (tree_decl_common): Add call_clobbered_flag.
12143 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12144 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12145 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12146 (mark_non_addressable): Ditto.
12147 * tree-ssa.c (verify_call_clobbered): New function.
12148 (verify_alias_info): Use it.
12149 * tree-pass.h (pass_reset_cc_flags): New prototype.
12150 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12151 (reset_cc_flags): New function.
12152 * passes.c (init_optimization_passes): Call reset_cc_flags after
12153 initializing referenced_vars.
12155 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12156 Roger Sayle <roger@eyesopen.com>
12158 PR middle-end/26717
12159 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12160 to 1.0 for non-real operands. Implement A / A optimization for
12163 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12165 * config/i386/i386.c (size_cost): Correct the comment for
12166 cost of storing fp registers.
12167 (i386_cost): Likewise.
12168 (i486_cost): Likewise.
12169 (pentium_cost): Likewise.
12170 (pentiumpro_cost): Likewise.
12171 (k6_cost): Likewise.
12172 (athlon_cost): Likewise.
12173 (k8_cost): Likewise.
12174 (pentium4_cost): Likewise.
12175 (nocona_cost): Likewise.
12176 (generic64_cost): Likewise.
12177 (generic32_cost): Likewise.
12179 2006-03-24 Denis Chertykov <denisc@overta.ru>
12181 * config/avr/avr-protos.h (extra_constraint): Delete.
12182 (extra_constraint_Q): New declaration.
12183 * config/avr/constraints.md: New file.
12184 * config/avr/avr.md: Include it.
12185 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12186 (TMP_REGNO, ZERO_REGNO): Likewise.
12187 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12188 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12189 (extra_constraint): Delete.
12190 (extra_constraint_Q): Test for memory constraint 'Q'.
12191 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12192 (REG_CLASS_FROM_LETTER): Delete.
12193 (CONST_OK_FOR_LETTER_P): Delete.
12194 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12195 (EXTRA_CONSTRAINT): Delete.
12196 (TMP_REGNO): Delete.
12197 (ZERO_REGNO): Delete.
12199 2006-03-24 Jeff Law <law@redhat.com>
12201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12202 directly. Call mark_new_vars_to_rename slightly earlier.
12204 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12206 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12207 (is_cxx): Likewise.
12208 (gen_compile_unit_die): Use new language types for Objective-C and
12210 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12211 DW_LANG_C_plus_plus.
12214 * config/t-darwin (crt3.o): Work around bug 26840.
12215 * config/darwin-crt3.c: Rewrite.
12216 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12218 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12220 * doc/invoke.texi: Document -femit-class-debug-always
12221 * common.opt: Add -femit-class-debug-always.
12223 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12225 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12226 index and base register.
12227 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12228 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12229 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12230 REGNO_OK_FOR_INDEX_P.
12231 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12233 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12234 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12235 REG_OK_FOR_BASE_P): Definitions removed.
12237 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12239 PR middle-end/26611
12240 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12241 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12242 set yet or weren't marked as local yet.
12244 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12246 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12249 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12251 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12252 (rs6000_legitimate_small_data_p): Delete.
12253 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12254 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12255 and make static. Add forward declaration. Update uses.
12256 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12257 of offsettable_memref_p.
12258 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12259 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12261 2006-03-24 Jeff Law <law@redhat.com>
12263 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12264 around bug in immediate-use iterator.
12266 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12269 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12270 or __LITTLE_ENDIAN__.
12272 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12274 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12275 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12276 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12277 * config/sh/sh.opt (mdiv=): Amend description.
12278 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12279 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12280 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12281 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12282 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12283 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12284 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12285 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12286 TARGET_DIVIDE_CALL_FP.
12288 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12290 * haifa-sched.c (choose_ready): Fix type of the local variable.
12291 Move local variables. Add comment.
12292 (check_reg_live): Change signature. Make callable from debugger.
12293 * sched-int.h (check_reg_live): Update signature.
12294 * sched-ebb.c (check_reg_live): Update parameters.
12295 * sched-rgn.c (check_reg_live): Ditto.
12296 (region_head_or_leaf_p): Check pointer before dereferencing.
12297 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12298 before reload on optimization levels below 1.
12300 2006-03-23 Richard Henderson <rth@redhat.com>
12302 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12306 * config/alpha/predicates.md (local_symbolic_operand): Reject
12309 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12312 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12313 expressions which have overflowed constants.
12315 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12317 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12319 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12321 * cfgloopmanip.c (create_loop_notes): Removed.
12322 * final.c (final_scan_insn): Do not handle loop notes.
12323 * jump.c (squeeze_notes): Ditto.
12324 * cfglayout.c (skip_insns_after_block,
12325 duplicate_insn_chain): Ditto.
12326 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12328 * cfgloop.h (create_loop_notes): Declaration removed.
12330 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12332 * varasm.c (output_constant_pool): Restore fnname and fndecl
12334 (assemble_start_function): Adjust call accordingly.
12335 (assemble_end_function): Likewise.
12337 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12340 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12343 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12345 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12348 * system.h (ICE_EXIT_CODE): New macro.
12349 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12350 (diagnostic_action_after_output): Likewise.
12351 * gcc.c (fatal_ice): New function.
12352 (execute): Use it instead of fatal.
12353 (fancy_abort): Likewise.
12354 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12356 2006-03-22 Jeff Law <law@redhat.com>
12358 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12359 iv_analyze_result returning false.
12361 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12363 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12365 2006-03-22 Richard Henderson <rth@redhat.com>
12367 PR middle-end/26084
12368 * except.c (duplicate_eh_regions_0): New.
12369 (duplicate_eh_region_1): Duplicate the children of the node as
12370 well as the node itself. Link them up properly.
12371 (duplicate_eh_region_2): Merge into ...
12372 (duplicate_eh_regions): ... here. Take copy_region argument, and
12373 copy only a sub-tree if asked. Simplify copying and fixup.
12374 (eh_region_outer_p): New.
12375 * except.h (duplicate_eh_regions): Update decl.
12376 (eh_region_outer_p): Declare.
12377 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12378 (lower_omp_master): Likewise.
12379 (lower_omp_ordered): Likewise.
12380 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12381 (move_stmt_r): Use it to remap labels. Handle recursion vs
12382 remap_decls_p properly.
12383 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12384 (find_outermost_region_in_block): New.
12385 (new_label_mapper): New.
12386 (move_sese_region_to_fn): Copy eh information to the new function
12388 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12390 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12393 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12395 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12396 into shared libraries.
12398 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12400 * doc/md.texi: Refer to i386/constraints.md instead of
12401 i386/predicates.md.
12402 * config/i386/constraints.md: New file, extracted from...
12403 * config/i386/predicates.md: ...here.
12404 * config/i386/i386.md: Include constraints.md.
12406 2006-03-21 Jason Merrill <jason@redhat.com>
12408 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12410 PR middle-end/20297
12411 * expr.c (init_block_move_fn): Force default visibility.
12412 (init_block_clear_fn): Likewise.
12413 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12414 * targhooks.c (default_external_stack_protect_fail): Likewise.
12416 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12418 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12419 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12420 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12421 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12422 (loadgp): Use mips_current_loadgp_style.
12423 (loadgp_noshared): New pattern.
12424 (sibcall_internal): Use MIPS_CALL.
12425 (sibcall_value_internal): Likewise.
12426 (sibcall_value_multiple_internal): Likewise.
12427 (call_internal): Likewise.
12428 (call_value_internal): Likewise.
12429 (call_value_multiple_internal): Likewise.
12430 (call_split): Use MIPS_CALL and add an 'S' constraint.
12431 (call_value_split): Likewise.
12432 (call_value_multiple_split): Likewise.
12433 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12434 (-mshared): New option.
12435 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12436 (mips_current_loadgp_style): Declare.
12437 * config/mips/mips.c (mips_classify_symbol): Avoid using
12438 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12439 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12440 TARGET_ABSOLUTE_ABICALLS.
12441 (override_options): Adjust comments. Improve the warning that is
12442 issued when -mabicalls and -G are used together.
12443 (mips_file_start): Remove comment.
12444 (mips_current_loadgp_style): New function.
12445 (mips_gnu_local_gp): New variable.
12446 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12448 (mips_output_function_prologue): Use mips_current_laodgp_style.
12449 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12450 the cprestore instruction.
12451 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12452 live for TARGET_ABSOLUTE_ABICALLS.
12453 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12454 (ASM_SPEC): Pass down -mshared and -mno-shared.
12455 (MIPS_CALL): New macro.
12456 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12458 * doc/invoke.texi (-mabicalls): Update documentation.
12459 (-mshared): Document.
12461 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12463 * config/ia64/unwind-hpux.c: New file.
12464 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12466 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12469 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12471 2006-03-21 Jeff Law <law@redhat.com>
12473 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12474 type conversions of a VR_VARYING source to a wider type.
12476 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12478 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12479 tm_file on Solaris 10 and later.
12480 (sparc64-*-solaris2*): Likewise.
12481 (sparc-*-solaris2*): Likewise.
12482 * config/sol26.h: Rename to config/sol2-6.h.
12483 * config/sol2-10.h: New file.
12485 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12488 * tree-ssa-pre.c (create_component_ref_by_pieces):
12491 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12494 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12495 return it immediately.
12497 2006-03-21 Michael Matz <matz@suse.de>
12499 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12501 (remove_arc, add_arc): Update num_out_arcs member.
12502 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12504 (cache_presence): New function.
12505 (compare_states_for_equiv): New function.
12506 (state_is_differed): Don't take number of outargs, adjust callers.
12507 Use new invariant for speeding up.
12508 (init_equiv_class): Create initial classes based on sorted
12510 (partition_equiv_class): Don't track out_arcs_num.
12511 (evaluate_equiv_classes): Call cache_presence on all states and
12514 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12516 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12517 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12518 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12519 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12521 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12522 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12523 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12524 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12525 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12527 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12528 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12529 (REGNO_REG_CLASS): ARGP is in PREGS.
12530 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12532 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12533 to deal with those addresses.
12534 * addresses.h: New file.
12535 * caller-save.c: Include "addresses.h".
12536 (init_caller_save): Use new base_reg_class function.
12537 * rtl-factoring.c: Include "addresses.h".
12538 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12539 * recog.c: Include "addresses.h".
12540 (preprocess_constraints): Use new base_reg_class function.
12541 * regrename.c: Include "addresses.h".
12542 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12543 functions. Keep track of a new var INDEX_CODE to compute valid
12545 (replace_oldest_value_addr): Likewise.
12546 (replace_oldest_value_mem): Use base_reg_class.
12547 * reload.c: Include "addresses.h".
12548 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12549 (find_reloads): Use new base_reg_class function.
12550 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12551 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12552 all callers and prototype changed.
12553 * reload1.c: Include "addresses.h".
12554 (maybe_fix_stack_asms): Use base_reg_class.
12555 * regclass.c: Include "addresses.h".
12556 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12557 (init_reg_autoinc): Use new base_reg_class function.
12558 (record_reg_classes): Likewise.
12559 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12560 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12561 Use new args to compute necessary class.
12563 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12564 regrename.o, rtl-factoring.o): Update dependencies.
12565 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12566 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12567 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12568 REG_OK_FOR_INDEX_P): Delete documentation.
12570 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12572 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12573 from V7 to V9 for Solaris 7 and above.
12575 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12577 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12578 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12579 argument pointers may not alias any other storage.
12580 * common.opt: Define option -fargument-noalias-anything.
12581 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12582 alias semantics is specified by flag_argument_noalias > 2.
12584 2006-03-20 Jeff Law <law@redhat.com>
12586 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12587 (pass_phi_only_cprop): Declare.
12588 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12589 with phi_only_cprop
12590 * tree-ssa-dom.c (degenerate_phi_result): New function.
12591 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12592 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12593 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12594 (eliminate_degenerate_phis): Likewise.
12595 (pass_phi_only_cprop): New pass descriptor.
12596 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12597 support code. Callers updated.
12598 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12599 (store_copy_prop): Likewise.
12600 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12602 2006-03-20 Jason Merrill <jason@redhat.com>
12605 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12606 (push_visibility, pop_visibility): Likewise.
12607 * c-pragma.h: Declare them.
12609 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12611 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12613 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12614 parameter and use get_ebb_head_tail.
12615 (sh_md_init_global): Adjust uses of find_regmode_weight.
12617 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12619 * function.h (struct function) <x_tail_recursion_reentry>:
12620 Rename to x_stack_check_probe_note.
12621 (tail_recursion_reentry): Rename to stack_check_probe_note.
12622 * function.c: Replace tail_recursion_reentry with
12623 stack_check_probe_note everywhere.
12624 (expand_function_start): Only emit a note for
12625 stack_check_probe_note with -fstack-protect.
12626 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12628 * emit-rtl.c (remove_unnecessary_notes): Remove.
12629 (pass_remove_unnecessary_notes): Remove.
12630 * rtl.h (remove_unnecessary_notes): Remove prototype.
12631 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12632 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12633 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12635 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12638 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12639 (valid_in_set): Handle ARRAY_REF.
12640 Change "if min_variant or VH" to asserts.
12641 (create_component_ref_by_pieces): Handle ARRAY_REF.
12642 (create_expression_by_pieces): Likewise.
12643 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12645 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12647 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12648 is operand of switch, not str[0].
12650 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12652 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12653 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12655 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12657 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12658 end of insn_extra_address_constraint declaration.
12660 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12662 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12663 (no-sum-in-toc): Same.
12664 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12666 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12667 NO_FP_IN_TOC for -fPIC instead of mask.
12669 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12670 (BOOT_LDFLAGS): Delete.
12672 * config/rs6000/t-aix52: Same.
12674 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12675 (stmsi[345678]_power): New.
12677 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12679 * config/ia64/ia64.opt: Add empty line to end of file.
12681 2006-03-17 Richard Guenther <rguenther@suse.de>
12683 PR middle-end/26721
12684 * builtins.c (get_pointer_alignment): For component style references
12685 adjust alignment to the component type alignment. Make sure
12686 to adjust alignment for component access of constants.
12688 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12690 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12691 unconditional jump.
12693 2006-03-17 Paul Brook <paul@codesourcery.com>
12695 * doc/install.texi: Docuemnt --with-mode.
12696 * config.gcc: Add --with-mode for arm*-*-*.
12697 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12699 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12701 * sh.c (max_labelno_before_reorg): New variable.
12702 (sh_reorg): Initialize it.
12703 (find_barrier): Check max_labelno_before_reorg before using
12704 label_to_alignment. Take length of explicit alignment insns
12705 into account. When seeing a UNSPECV_CONST_END, return it.
12707 * sh.c (fixup_mova): Set mode of affected label to QImode.
12708 (untangle_mova): New function.
12709 (find_barrier): Use it. Check mode of label before decrementing
12711 (sh_reorg): Likewise.
12712 Set mode of all insns back to VOIDmode.
12714 * sh.c (MOVA_LABELREF): New macro.
12715 (mova_p, fixup_mova, sh_reorg): Use it.
12716 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12717 ADDR_DIFF_VEC matches mova.
12719 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12721 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12722 with ATTRIBUTE_UNUSED.
12724 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12726 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12727 pointer, instead of assuming it is possible to derive the
12728 correct args size from a call insn.
12730 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12732 * rtl.h (CONST_INT_P): Define.
12733 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12734 instead of GET_CODE(x) == CONST_INT.
12735 (vax_rtx_costs): Likewise.
12736 (vax_output_int_move): Likewise.
12737 (vax_output_int_add): Likewise.
12738 (legitimate_constant_address_p): Likewise.
12739 (index_term_p): Likewise.
12740 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12741 * config/vax/vax.md (and<mode>3): Likewise.
12742 (ashrsi3): Likewise.
12744 (movstricthi): Likewise.
12745 (movstrictqi): Likewise.
12746 (rotrsi3): Likewise.
12747 (five unnamed insns): Likewise.
12749 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12751 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12752 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12753 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12754 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12755 Pass to ASM_OUTPUT_DWARF_OFFSET.
12756 * dwarf2out.c (debug_frame_section): New.
12757 (output_call_frame_info): Use debug_frame_section. Pass it to
12758 dw2_asm_output_offset.
12759 (output_die): Pass appropriate section to dw2_asm_output_offset.
12760 (output_compilation_unit_header): Likewise.
12761 (output_pubnames): Likewise.
12762 (output_aranges): Likewise.
12763 (enum dw_val_class): Break dw_val_class_lbl_offset into
12764 dw_val_class_lineptr and dw_val_class_macptr.
12765 (add_AT_lbl_offset): Delete.
12766 (add_AT_lineptr): New.
12767 (add_AT_macptr): New.
12768 (AT_lbl): Expect a lineptr or macptr.
12769 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12770 (attr_checksum): Likewise.
12771 (same_dw_val_p): Likewise.
12772 (size_of_die): Likewise.
12773 (value_format): Likewise.
12774 (output_die): Likewise.
12775 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12777 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12778 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12779 * config/darwin-protos.h (darwin_file_start): New.
12780 (darwin_asm_output_dwarf_offset): New.
12781 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12782 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12784 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12785 if not EH section; simplify.
12786 (darwin_file_start): New.
12787 (darwin_asm_output_dwarf_offset): New.
12788 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12790 (DEBUG_INFO_SECTION): Likewise.
12791 (DEBUG_ABBREV_SECTION): Likewise.
12792 (DEBUG_ARANGES_SECTION): Likewise.
12793 (DEBUG_MACINFO_SECTION): Likewise.
12794 (DEBUG_LINE_SECTION): Likewise.
12795 (DEBUG_LOC_SECTION): Likewise.
12796 (DEBUG_PUBNAMES_SECTION): Likewise.
12797 (DEBUG_STR_SECTION): Likewise.
12798 (DEBUG_RANGES_SECTION): Likewise.
12799 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12800 (ASM_OUTPUT_DWARF_OFFSET): New.
12802 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12804 * config.gcc (tm_defines): Always add to previous value rather
12807 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12809 * config/mips/predicates.md (splittable_const_int_operand): New,
12810 split from move_operand.
12811 (splittable_symbolic_operand): New.
12812 (move_operand): Add commentary. Use splittable_const_int_operand.
12813 Inline mips_atomic_symbolic_constant_p.
12814 * config/mips/mips.md: Add combine splitters for handling moves
12815 of splittable_const_int_operands and splittable_symbolic_operands.
12816 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12817 (mips_split_symbol): Declare.
12818 (mips_move_integer): Declare.
12819 * config/mips/mips.c (mips_split_p): Make global.
12820 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12821 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12822 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12823 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12824 (mips_offset_within_object_p): Handle block symbols.
12825 (mips_atomic_symbolic_constant_p): Delete.
12826 (mips_cannot_force_const_mem): Return false for constants that
12827 mips_legitimize_move can handle.
12828 (mips_use_blocks_for_constant_p): New function.
12829 (mips_split_symbol): Make global.
12830 (mips_move_integer): Likewise. Add a temporary register argument.
12831 (mips_legitimize_const_move): Use splittable_const_int_operand and
12832 splittable_symbolic_operand.
12833 (mips_use_anchors_for_symbol_p): New function.
12834 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12835 (mips_split_p): Declare.
12837 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12839 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12840 (mips*-*-linux*): Likewise.
12842 2006-03-16 Roger Sayle <roger@eyesopen.com>
12843 Daniel Speyer <dspeyer@wam.umd.edu>
12845 PR middle-end/18259
12846 * tree-dump.c (dump_real): New function.
12847 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12848 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12849 (tree-dump.o): Add $(REAL_H) to the dependencies.
12851 2006-03-16 Roger Sayle <roger@eyesopen.com>
12853 PR middle-end/21781
12854 * real.c (real_from_string): If the mantissa is zero, don't bother
12855 parsing the exponent as the result should always be zero.
12857 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12859 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12863 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12864 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12865 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12866 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12867 ia64_sched_finish_global): New static functions to implement
12868 hooks from gcc_target.sched.
12869 (spec_check_no, max_uid, pending_data_specs): New static variables.
12870 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12871 ia64_spec_check_src_p): New static functions.
12872 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12873 (TARGET_SCHED_ADJUST_COST): Removed.
12874 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12875 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12876 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12877 TARGET_SCHED_GEN_CHECK,
12878 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12879 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12880 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12881 Fixed to handle speculation checks.
12882 (rtx_needs_barrier): Fixed to handle speculative loads and
12884 (ia64_variable_issue): Added code to count speculative loads and their
12886 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12888 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12890 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12892 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12893 (ia64_reorg): Reset stops_p to NULL after it is freed.
12894 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12895 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12896 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12898 (data_speculative, control_speculative, check_load): New attributes.
12899 (mov<mode>_advanced, mov<mode>_speculative,
12900 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12901 zero_extend<mode>di2_speculative,
12902 zero_extend<mode>di2_speculative_advanced): New patterns for
12903 data and control speculative loads.
12904 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12906 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12907 New pattern for data and control speculation checks.
12908 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12909 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12910 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12911 Auxiliary definitions for the patterns.
12912 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12913 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12915 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12917 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12918 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12919 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12920 New resource constraints.
12921 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12923 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12924 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12925 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12926 msched-in-control-spec, msched-ldc, msched-control-ldc,
12927 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12928 msched-prefer-non-control-spec-insns,
12929 msched-count-spec-in-critical-path): New flags to tune speculative
12931 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12932 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12933 msched-in-control-spec, msched-ldc, msched-control-ldc,
12934 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12935 msched-prefer-non-control-spec-insns,
12936 msched-count-spec-in-critical-path): Document new flags.
12938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12940 * target.h (struct spec_info_def): New opaque declaration.
12941 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12942 speculate_insn, needs_block_p, gen_check,
12943 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12944 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12945 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12946 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12947 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12948 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12950 (TARGET_SCHED): Use new macros.
12951 * rtl.h (copy_DEPS_LIST_list): New prototype.
12952 * sched-int.h (struct sched_info): Change signature of new_ready field,
12953 adjust all initializations. New fields: add_remove_insn,
12954 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12955 region_head_or_leaf_p.
12956 (struct spec_info_def): New structure declaration.
12957 (spec_info_t): New typedef.
12958 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12959 recovery_block, orig_pat.
12960 (glat_start, glat_end): New variables declaraions.
12961 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12963 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12964 DETACH_LIFE_INFO, USE_GLAT.
12965 (enum SPEC_SCHED_FLAGS): New enumeration.
12966 (NOTE_NOTE_BB_P): New macro.
12967 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12968 attach_life_info, debug_spec_status, check_reg_live): New functions.
12969 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12970 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12972 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12973 * ddg.c (get_block_head_tail): Adjust all uses.
12974 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12975 (sms_sched_info): Initialize new fields.
12976 (contributes_to_priority): Removed.
12977 * haifa-sched.c (params.h): New include.
12978 (get_block_head_tail): Adjust all uses.
12979 (ISSUE_POINTS): New macro.
12980 (glat_start, glat_end): New global variables.
12981 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12982 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12983 old_last_basic_block, before_recovery, current_sched_info_var,
12984 rgn_n_insns, luid): New static variables.
12985 (insn_cost1): New function. Move logic from insn_cost to here.
12986 (find_insn_reg_weight1): New function. Move logic from
12987 find_insn_reg_weight to here.
12988 (reemit_notes, move_insn, max_issue): Change signature.
12989 (move_insn1): Removed.
12990 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12991 extend_bb): New static functions to support extension of scheduler's
12993 (generate_recovery_code, process_insn_depend_be_in_spec,
12994 begin_speculative_block, add_to_speculative_block,
12995 init_before_recovery, create_recovery_block, create_check_block_twin,
12996 fix_recovery_deps): New static functions to support
12997 generation of recovery code.
12998 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12999 restore_bb_notes, move_block_after_check, move_succs): New static
13000 functions to support ebb scheduling.
13001 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13002 functions to support handling of register live information.
13003 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13004 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13005 add_jump_dependencies): New static functions.
13006 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13007 consistancy checking.
13008 (debug_spec_status): New function to call from debugger.
13009 (priority): Added code to handle speculation checks.
13010 (rank_for_schedule): Added code to distinguish speculative instructions.
13011 (schedule_insn): Added code to handle speculation checks.
13012 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13013 Fixed to handle ebbs.
13014 (move_insn): Added code to handle ebb scheduling.
13015 (max_issue): Added code to use ISSUE_POINTS of instructions.
13016 (choose_ready): Added code to choose between speculative and
13017 non-speculative instructions.
13018 (schedule_block): Added code to handle ebb scheduling and scheduling of
13019 speculative instructions.
13020 (sched_init): Initialize new variables.
13021 (sched_finish): Free new variables. Print statistics.
13022 (try_ready): Added code to handle speculative instructions.
13023 * lists.c (copy_DEPS_LIST_list): New function.
13024 * sched-deps.c (extend_dependency_caches): New function. Move logic
13025 from create_dependency_caches to here.
13026 (get_dep_weak, ds_merge): Make global.
13027 * genattr.c (main): Code to output prototype for
13028 dfa_clear_single_insn_cache.
13029 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13030 (output_dfa_clean_insn_cache_func): Code to output
13031 dfa_clear_single_insn_cache function.
13032 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13034 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13036 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13037 New static variables.
13038 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13039 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13041 (ebb_sched_info): Initialize new fields.
13042 (get_block_head_tail): Adjust all uses.
13043 (compute_jump_reg_dependencies): Fixed to use glat_start.
13044 (schedule_ebb): Code to remove unreachable last block.
13045 (schedule_ebbs): Added code to update register live information.
13046 * sched-rgn.c (region_sched_info): Initialize new fields.
13047 (get_block_head_tail): Adjust all uses.
13048 (last_was_jump): Removed. Adjust users.
13049 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13050 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13051 Implement new hooks.
13052 (check_dead_notes1): New static function.
13053 (struct region): New fields: dont_calc_deps, has_real_ebb.
13054 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13055 (BB_TO_BLOCK): Fixed to handle EBBs.
13056 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13057 (ebb_head): New static variable.
13058 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13059 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13061 (compute_dom_prob_ps): New assertion.
13062 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13063 global_live_at_start.
13064 (init_ready_list): New assertions.
13065 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13066 (new_ready): Add support for BEGIN_CONTROL speculation.
13067 (schedule_insns): Fixed code that updates register live information
13069 (schedule_region): Fixed to handle EBBs.
13070 (init_regions): Use extend_regions and check_dead_notes1.
13071 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13072 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13073 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13074 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13075 TARGET_SCHED_GEN_CHECK,
13076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13077 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13078 * doc/invoke.texi (max-sched-insn-conflict-delay,
13079 sched-spec-prob-cutoff): Document.
13081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13083 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13084 inter_tick, queue_index.
13085 (struct sched_info): Change signature of init_ready_list field.
13086 Adjust all initializations.
13087 (RESOLVED_DEPS): New access macro.
13088 (ready_add): Remove prototype.
13089 (try_ready): Add prototype.
13090 * sched-rgn.c (init_ready_list): Use try_ready.
13091 (schedule_region): Initialize
13092 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13093 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13094 (init_ready_list): Use try_ready.
13095 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13096 * lists.c (remove_list_elem): Remove `static'.
13097 (remove_free_INSN_LIST_elem): New function.
13098 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13099 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13100 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13102 (readyp): New variable.
13103 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13104 change_queue_index, resolve_dep): New static functions.
13105 (try_ready): New function. Adjust callers in sched-rgn.c and
13106 sched-ebb.c to use it instead of ready_add.
13107 (clock_var): Move at the begining of file.
13108 (rank_for_schedule): Fix typo.
13109 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13110 (ready_lastpos): Enforce assertion.
13111 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13112 update all callers.
13113 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13114 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13115 (queue_to_ready): Use free_INSN_LIST_list.
13116 (early_queue_to_ready): Fix typo.
13117 (schedule_block): Init readyp. Move init_ready_list call after the
13118 initialization of clock_var. Fix error in rejecting insn by
13119 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13120 that previously corrected INSN_TICKs. Add code for handling
13122 (set_priorities): Fix typo.
13123 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13124 Clarify comment and code that keeps current_sched_info->next_tail
13127 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13129 * sched-rgn.c (extend_rgns): New static function.
13130 (find_rgns): Use it.
13131 (gather_region_statistics, print_region_statistics): New static
13133 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13134 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13137 Andrey Belevantsev <abel@ispras.ru>
13139 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13140 * lists.c (unused_deps_list): New variable.
13141 (free_list): Add assertions to verify the proper distinguishing
13142 between INSN_LISTs and DEPS_LISTs.
13143 (find_list_elem, remove_list_elem, remove_list_node): New static
13145 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13146 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13147 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13148 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13150 (free_INSN_LIST_node): Likewise.
13151 * modulo-sched.c (current_sched_info): Initialize flags field.
13152 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13153 * rtl.def (DEPS_LIST): Define.
13154 * rtl.h: Declare new functions from lists.c.
13155 * sched-deps.c (spec_dependency_cache): New static variable.
13156 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13157 (add_dependence): Change return type to void. Move the logic to ...
13158 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13159 (delete_all_dependences): Add comment about forward_dependency_cache.
13160 Handle spec_dependency_cache. Handle DEPS_LISTs.
13161 (fixup_sched_groups): Clarify the change of priority of output
13162 and anti dependencies.
13163 (sched_analyze_2): Adjust add_dependence calls to create data
13164 speculative dependence.
13165 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13166 Adjust all callers. Handle DEPS_LISTS.
13167 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13168 presence of speculation.
13169 (init_dependency_caches, free_dependency_caches):
13170 Handle spec_dependency_cache.
13171 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13172 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13173 New static functions.
13174 (add_or_update_back_dep, add_or_update_back_forw_dep,
13175 add_back_forw_dep, delete_back_forw_dep): New functions.
13176 * sched-int.h (ds_t, dw_t): New typedefs.
13177 (struct sched_info): Add new field flags.
13178 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13179 Prototype new sched-deps.c functions.
13180 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13181 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13182 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13183 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13184 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13185 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13187 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13189 * sched-rgn.c (current_sched_info): Initialize flags field.
13190 (schedule_insns): Initialize current_sched_info before the sched_init
13192 * sched-ebb.c (current_sched_info): Initialize flags field.
13193 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13194 Call add_or_update_back_dep instead of add_dependence.
13195 Create control speculative dependencies.
13196 (schedule_insns): Initialize current_sched_info before the sched_init
13199 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13201 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13203 (sh_fallback_frame_state): Likewise.
13205 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13207 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13208 Do switch on default_use_cxa_atexit.
13209 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13210 * config/darwin-crt3.o: New.
13211 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13212 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13213 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13215 * config/rs6000/t-darwin: Move crt2.o building to here.
13216 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13217 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13220 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13222 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13223 from '! xxx' to '!xxx' for coding-style conformance.
13224 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13225 (EXTRA_CONSTRAINT): Likewise.
13226 * config/vax/vax.md (four unnamed insns): Likewise.
13228 2006-03-15 Paul Brook <paul@codesourcery.com>
13230 * config/arm/arm.c (minipool_pad): New.
13231 (add_minipool_forward_ref): Include pool alignment padding in address
13233 (push_minipool_fix): Set minipool_pad.
13234 (minipool_pad): Ditto.
13236 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13238 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13239 instead of GET_CODE() == MEM and REG_P() instead of
13241 (print_operand_address): Likewise.
13242 (vax_address_cost): Likewise.
13243 (vax_rtx_costs): Likewise.
13244 (vax_notice_update_cc): Likewise.
13245 (vax_output_int_add): Likewise.
13246 (INDEX_REGISTER_P): Likewise.
13247 (BASE_REGISTER_P): Likewise.
13248 (nonindexed_address_p): Likewise.
13249 (vax_mode_dependent_address_p): Likewise.
13250 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13251 (PRINT_OPERAND): Likewise.
13252 * config/vax/vax.md (ashlsi3): Likewise.
13253 (ashlsi3): Likewise.
13254 (some more unnamed insns): Likewise.
13256 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13258 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13259 iterator-style macro.
13260 (mark_control_dependent_edges_necessary): Update the use of
13261 EXECUTE_IF_CONTROL_DEPENDENT.
13263 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13265 * config/sh/predicates.md (cache_address_operand): Special.
13266 (ua_address_operand): Likewise.
13268 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13270 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13272 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13274 2006-03-15 Andreas Schwab <schwab@suse.de>
13276 * gensupport.c (identify_predicable_attribute): Don't free p_false
13277 when it is still in use.
13279 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13281 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13282 the default setting here.
13284 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13286 * tree-pass.h (pass_cfg): Remove.
13287 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13288 * passes.c (pass_cfg): Don't run it.
13290 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13292 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13293 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13295 (stack_regs_mentioned): Update the uses of
13296 stack_regs_mentioned_data. Don't access the array beyond its
13298 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13299 Don't include gt-reg-stack.h.
13301 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13302 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13304 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13306 PR middle-end/26684
13307 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13310 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13312 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13314 2006-03-14 Richard Guenther <rguenther@suse.de>
13316 PR tree-optimization/26672
13317 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13320 2006-03-14 Richard Guenther <rguenther@suse.de>
13322 PR tree-optimization/26667
13323 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13324 node for the callees. Always allow inlining if it will shrink
13327 2006-03-14 Richard Guenther <rguenther@suse.de>
13329 PR middle-end/26659
13330 * builtins.c (get_pointer_alignment): Prefer alignment
13331 information from decls over that from types.
13333 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13336 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13338 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13340 * config/rs6000/rs6000.opt (mdlmzb): New option.
13341 (msched-prolog, msched-epilog): Use Var not Mask.
13342 * doc/invoke.texi (-mdlmzb): Document.
13343 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13345 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13346 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13348 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13350 PR rtl-optimization/25739
13351 * bt-load.c (augment_live_range): Free tos pointer.
13353 * gensupport.c (identify_predicable_attribute): Free
13355 * gcov.c (create_file_names): Free name pointer.
13357 2006-03-13 Roger Sayle <roger@eyesopen.com>
13359 PR middle-end/26557
13360 * stmt.c (emit_case_nodes): Handle the case where the index is a
13361 CONST_INT, where the comparison mode is specified by the index type.
13363 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13365 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13368 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13370 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13371 (*branch_fp_inverted): Likewise.
13373 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13375 PR middle-end/25989
13376 * omp-low.c (expand_omp_for_generic): Mark istart0
13377 and iend0 as addressable.
13379 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13381 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13383 2006-03-13 Jeff Law <law@redhat.com>
13385 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13386 virtual operands are interesting.
13387 (vrp_visit_stmt): Corresponding changes.
13389 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13391 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13394 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13395 * config/bfin/crti.S: Use it instead of __PIC__.
13396 * config/bfin/crtn.S: Likewise.
13398 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13399 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13401 Lose 'G' modifier for call operand.
13402 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13403 recognize 'G' modifier.
13405 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13407 PR middle-end/18859
13408 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13409 * stmt.c (expand_case): Likewise.
13411 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13413 PR rtl-optimization/26254
13414 * loop-invariant.c (seq_insns_valid_p): New function.
13415 (move_invariant_reg): Only emit new code if it is valid.
13417 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13419 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13421 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13422 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13423 (commit_one_edge_insertion): Do not look for loop notes.
13425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13427 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13428 flag_test_coverage out of loop.
13430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13432 * final.c (shorten_branches): Remove outdated comment, and turn
13433 the if branch that guards it to continue.
13435 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13437 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13438 * cfgloop.h (struct loop): Remove unused fields.
13440 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13442 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13443 (-dL, -fdump-rtl-loop2): Update the dump file names
13445 * doc/invoke.texi: Update dump file names.
13447 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13449 * predict.c (estimate_probability): Remove.
13450 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13451 * basic-block.h (estimate_probability): Remove prototype.
13452 * passes.c (finish_optimization_passes): Dump branch prediction or
13453 profiling heuristics to the .profile tree dump.
13454 (init_optimization_passes): Unqueue pass_branch_prob.
13456 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13458 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13460 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13461 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13463 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13465 * function.h (frame_offset_overflow): Declare.
13466 * function.c (frame_offset_overflow): New function.
13467 (assign_stack_local_1): Call it to detect that the offset overflows.
13468 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13470 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13472 * config/sh/sh.c: Include alloc-pool.h.
13473 (label_ref_list_pool): New alloc pool.
13474 (label_ref_list_t): New type for lists of labels.
13475 (struct pool_node): Make wend a label_ref_list_t.
13476 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13478 (dump_table): Likewise.
13479 (sh_reorg): Set up the alloc pool before using add_constant and
13480 dump_table, and destroy it when finishing.
13482 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13484 * config/mips/mips.c: Remove redundant comment.
13486 2006-03-10 Jason Merrill <jason@redhat.com>
13489 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13490 the target was declared 'register'.
13492 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13494 * genpreds.c (write_insn_constraint_len): Change definition of
13495 insn_constraint_len to return size_t to match the declaration.
13497 2006-03-10 DJ Delorie <dj@redhat.com>
13499 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13501 (m32c_expand_insv): Fix test for an AND mask.
13503 2006-03-10 Richard Guenther <rguenther@suse.de>
13505 PR middle-end/26565
13506 * builtins.c (get_pointer_alignment): Handle component
13507 references for field alignment.
13509 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13511 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13512 when building with libgloss.
13513 (sh*elf): Implement --without-fp option.
13514 (sh64-superh-linux*): Don't multilib.
13516 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13518 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13520 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13522 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13523 Set it when one of the replacement functions returned true.
13524 Return TODO_cleanup_cfg if cfgchanged is true.
13525 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13527 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13529 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13530 instead of gen_lowpart.
13532 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13534 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13536 (mips_output_order_conditional_branch): Declare.
13537 * config/mips/mips.h (MIPS_BRANCH): New macro.
13538 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13539 for the comparison. Use gen_condjump.
13540 (mips_output_conditional_branch): Rework interface to take the
13541 asm templates for a direct branch and the inverse of a direct branch.
13542 (mips_output_order_conditional_branch): New function.
13543 (mips_builtin_branch_and_move): New function.
13544 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13545 branch condition. Use gen_single_cc as the condition for
13546 __builtin_mips_upper_* or __builtin_mips_lower_*.
13547 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13548 Use VOIDmode for the branch condition.
13549 * config/mips/predicates.md (order_operator): New predicate.
13550 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13551 (branch_fp): Rename to...
13552 (*branch_fp): ...this. Remove mode from comparison operator.
13553 Use new mips_output_conditional_branch interface.
13554 (branch_fp_inverted): Rename to...
13555 (*branch_fp_inverted): ...this and update as for *branch_fp.
13556 (*branch_zero<mode>): Rename to...
13557 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13558 Use mips_output_order_conditional_branch. Only accept ordered
13560 (*branch_zero<mode>_inverted): Rename to...
13561 (*branch_order<mode>_inverted): ...this and update as for
13562 *branch_order<mode>.
13563 (*branch_equality<mode>): Accept zero as the second operand to
13564 the equality operator. Use the new mips_output_conditional_branch
13566 (*branch_equality<mode>_inverted): Likewise.
13567 (condjump): New expander.
13568 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13570 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13571 (bc1any2t, bc1any2f): Likewise.
13572 (single_cc): New expander.
13573 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13575 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13577 * doc/md.texi: Update documentation of MIPS constraints.
13578 * config/mips/constraints.md: New file.
13579 * config/mips/mips.md: Include it.
13580 * config/mips/mips.c (mips_char_to_class): Delete.
13581 (override_options): Don't initialize mips_char_to_class.
13582 * config/mips/mips.h (mips_char_to_class): Delete.
13583 (REG_CLASS_FROM_LETTER): Delete.
13584 (CONST_OK_FOR_LETTER_P): Delete.
13585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13586 (EXTRA_CONSTRAINT_Y): Delete.
13587 (EXTRA_CONSTRAINT_STR): Delete.
13588 (CONSTRAINT_LEN): Delete.
13589 (EXTRA_MEMORY_CONSTRAINT): Delete.
13591 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13593 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13594 original fn's eh regions.
13596 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13598 * fold-const.c (build_range_check): Make sure to use a valid type to
13599 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13602 (range_predecessor): New static function.
13603 (range_successor): Likewise.
13604 (merge_ranges): Use them to compute predecessors and successors of
13607 2006-03-09 Roger Sayle <roger@eyesopen.com>
13609 PR middle-end/26561
13610 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13611 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13613 2006-03-08 DJ Delorie <dj@redhat.com>
13615 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13616 (addpsi3): Expand to include memory operands. Remove
13617 reload-specific splits.
13618 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13619 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13620 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13621 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13622 (shift1_qi, shift1_hi, insv): New.
13623 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13624 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13625 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13627 * config/m32c/m32c-protos.h: Update as needed.
13628 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13629 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13630 Fail for unrecognized R* constraints.
13631 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13632 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13633 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13635 (m32c_init_libfuncs): New.
13636 (m32c_legitimate_address_p): Add debug wrapper.
13637 (m32c_rtx_costs): New.
13638 (m32c_address_cost): New.
13639 (conversions): Add 'B' prefix.
13640 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13641 operands, or word regnames for QI operands. 'B' prints bit
13643 (m32c_expand_setmemhi): New.
13644 (m32c_expand_movmemhi): New.
13645 (m32c_expand_movstr): New.
13646 (m32c_expand_cmpstr): New.
13647 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13648 (m32c_expand_neg_mulpsi3): Handle non-ints.
13649 (m32c_cmp_flg_0): New.
13650 (m32c_expand_movcc): New.
13651 (m32c_expand_insv): New.
13652 (m32c_scc_pattern): New.
13653 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13654 a0/a1 out of SIregs.
13655 (STORE_FLAG_VALUE): New.
13656 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13659 * config/m32c/mov.md: Make constraints more liberal.
13660 (zero_extendqihi2): Optimize r0/r1 case.
13661 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13662 * config/m32c/predicates.md (m32c_any_operand): New.
13663 (m32c_nonimmediate_operand): New.
13664 (m32c_hl_operand): New.
13665 (m32c_r3_operand): New.
13668 (memsym_operand): New.
13669 (memimmed_operand): New.
13670 (a_qi_operand): New.
13671 (m32c_eqne_operator): New.
13672 (m32c_1bit8_operand): New.
13673 (m32c_1bit16_operand): New.
13674 (m32c_1mask8_operand): New.
13675 (m32c_1mask16_operand): New.
13676 * config/m32c/blkmov.md: New file.
13677 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13679 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13681 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13682 unsigned to fix signed/unsigned comparison issue in
13683 DWARF2_FRAME_REG_OUT.
13684 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13685 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13687 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13688 of ptr into the ENABLE_CHECKING section.
13690 2006-03-08 Jeff Law <law@redhat.com>
13692 * tree-vrp.c (infer_value_range): Only count pointer uses
13693 and dereferences if -fdelete-null-pointer-checks is enabled.
13695 * tree-vrp.c (find_assert_locations): Infer value ranges for
13696 single use pointers, but do not create ASSERT_EXPRs for them.
13697 When a non-null range is inferred for a pointer, backwards
13698 propagate that range to other equivalent pointers through the
13701 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13704 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13705 language hook targets.
13706 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13707 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13708 if language hook targets were missing.
13710 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13712 * tree-ssa-opfinalize.h: Removed.
13713 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13715 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13716 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13717 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13718 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13719 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13720 finalize_ssa_v_must_def_ops): New.
13722 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13724 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13725 block as parameter.
13727 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13729 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13731 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13732 addresses with offsets; reorganize.
13734 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13735 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13736 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13738 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13741 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13743 2006-03-08 Ben Elliston <bje@au.ibm.com>
13745 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13747 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13750 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13753 2006-03-07 Richard Guenther <rguenther@suse.de>
13755 PR tree-optimization/26587
13756 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13758 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13760 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13762 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13764 * hooks.c (hook_bool_mode_rtx_true): New function.
13765 * hooks.h (hook_bool_mode_rtx_true): Declare.
13766 * toplev.c (compile_file): Call output_shared_constant_pool.
13767 * varasm.c (shared_constant_pool): New variable.
13768 (assemble_start_function, assemble_end_function): Remove arguments
13769 from call to output_constant_pool.
13770 (create_constant_pool): New function, split out from...
13771 (init_varasm_status): ...here.
13772 (force_const_mem): Choose between the shared and per-function constant
13773 pools. Set current_function_uses_const_pool when reusing old entries
13774 as well as when creating new ones.
13775 (mark_constant): Ignore data argument.
13776 (mark_constants): Remove pool argument.
13777 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13778 to decide whether the function uses a constant pool.
13779 (output_constant_pool_contents): New function, split out from...
13780 (output_constant_pool): ...here.
13781 (output_shared_constant_pool): New function.
13782 (init_varasm_once): Initialize shared_constant_pool.
13783 * output.h (output_constant_pool): Delete.
13784 (output_shared_constant_pool): Declare.
13785 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13786 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13788 2006-03-06 Nick Clifton <nickc@redhat.com>
13790 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13791 flag_strength_reduce.
13793 2006-03-06 Ben Elliston <bje@au.ibm.com>
13795 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13796 x86_64-*-linux* configurations.
13798 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13799 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13801 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13803 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13805 * basic-block.h: Remove the extern for
13806 rediscover_loops_after_threading.
13808 * cfgloop.c (cancel_loop): Make it static.
13809 * cfgloop.h: Remove the prototype for cancel_loop.
13811 * flow.c (recompute_reg_usage): Make it static.
13812 * rtl.h: Remove the prototype for recompute_reg_usage.
13814 * function.c (use_return_register): Make it static.
13815 * function.h: Remove the prototype.
13817 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13819 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13821 * recog.h: Remove the prototype for
13822 validate_change_maybe_volatile.
13824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13826 * rtlanal.c (replace_reg): Remove.
13827 * rtl.h: Remove the prototype for replace_reg.
13829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13831 * regclass.c (reg_scan_update): Remove.
13832 (reg_scan_mark_refs): Remove the last argument.
13833 * rtl.h: Remove the prototype for reg_scan_update.
13835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13837 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13838 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13839 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13840 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13841 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13842 loop-invariant.c, omp-low.c, opts.c, passes.c,
13843 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13844 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13845 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13846 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13847 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13848 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13850 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13852 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13853 * dwarf2out.h: Remove the prototype for
13854 dwarf2out_add_library_unit_info.
13856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13858 * tree.c (add_var_to_bind_expr): Remove.
13859 * tree.h: Remove the prototype for add_var_to_bind_expr.
13861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13863 * regclass.c (n_non_fixed_regs): Remove.
13864 (init_reg_sets_1, globalize_reg): Remove all uses of
13866 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13870 * rtlanal.c (insns_safe_to_move_p): Remove.
13871 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13873 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13875 * expmed.c (expand_mult_add): Remove.
13876 * expr.h: Remove the prototype for expand_mult_add.
13878 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13880 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13881 and REG_SAVED_VAL_EXP constants.
13882 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13883 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13884 Handle regs stored by value.
13885 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13886 (execute_cfa_program): Handle DW_CFA_val_offset,
13887 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13888 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13889 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13890 (uw_install_context_1): Handle target regs stored by value.
13892 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13894 * tree-sra.c (tree_sra): Return todoflags;
13895 (generate_one_element): Set TODO_update_smt_usage if needed.
13896 (pass_sra): Remove TODO_update_smt_usage.
13897 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13899 (tree_ssa_forward_propagate_single_use_vars): Return
13900 TODO_update_smt_usage if we need to update SMT usage.
13901 (pass_forwprop): Remove TODO_update_smt_usage.
13903 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13905 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13906 (correct_use_link): Remove reference to get_stmt_operands.
13907 (update_stmt_operands): Likewise.
13908 (get_modify_expr_operands): New function factored out of
13909 parse_ssa_operands and get_expr_operands.
13910 Try to create V_MUST_DEFs for LHS by default.
13911 (get_expr_operands) <case MODIFY_EXPR>: Call
13912 get_modify_expr_operands.
13913 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13914 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13915 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13916 get_modify_expr_operands.
13918 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13920 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13921 * tree-flow.h: Remove the prototype for
13922 referenced_var_lookup_if_exists.
13924 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13926 PR rtl-optimization/26345
13928 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13930 2006-03-03 Roger Sayle <roger@eyesopen.com>
13932 PR tree-optimization/26524
13933 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13934 fold_convert to create a constant of the appropriate type.
13936 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13938 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13939 SYMBOL_REF_IN_BLOCK_P.
13940 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13941 of SYMBOL_FLAG_IN_BLOCK.
13942 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13943 instead of SYMBOL_REF_IN_BLOCK_P.
13944 * explow.c (use_anchored_address): Likewise.
13945 * rtl.c (rtx_size): Likewise.
13946 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13947 instead of SYMBOL_FLAG_IN_BLOCK.
13948 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13949 SYMBOL_REF_IN_BLOCK_P.
13950 (assemble_variable): Likewise.
13951 (output_constant_def_contents): Likewise.
13952 (output_constant_pool): Likewise.
13953 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13954 instead of SYMBOL_FLAG_IN_BLOCK.
13955 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13956 SYMBOL_REF_IN_BLOCK_P.
13957 (SYMBOL_REF_BLOCK): Likewise.
13958 (SYMBOL_REF_OFFSET): Likewise.
13959 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13960 SYMBOL_REF_IN_BLOCK_P.
13961 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13962 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13963 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13964 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13966 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13968 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13970 2006-03-02 Roger Sayle <roger@eyesopen.com>
13972 * simplify-rtx.c (simplify_unary_operation): When simplifying
13973 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13974 that we perform the right shift in the appropriate mode, and
13975 then extend or truncate the result to requested mode.
13977 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13979 * gengtype.c (main): Handle double_int type.
13980 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13981 * double-int.c: New file.
13982 * double-int.h: New file.
13983 * system.h: Include doubleint.h.
13984 * Makefile.in (SYSTEM_H): Include double-int.h.
13985 (double-int.o): Add.
13987 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13990 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13995 * tree-vrp.c (remove_range_assertions): Do not update statements
13998 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14000 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14002 * gcse.c (rest_of_handle_gcse): Ditto.
14003 * except.c (gate_handle_eh): Ditto.
14004 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14005 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14007 2006-03-02 Eric Christopher <echristo@apple.com>
14009 * config/i386/i386.c (machopic_output_stub): Add indirection to
14012 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14016 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14018 Sun Niagara specific optimizations.
14019 * config.gcc: Recognize niagara as target.
14020 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14021 (TARGET_CPU_niagara): Define.
14022 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14023 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14024 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14025 (ASM_CPU_SPEC): Likewise.
14026 (PROCESSOR_NIAGARA): New enum entry.
14027 (REGISTER_MOVE_COST): Handle Niagara.
14028 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14029 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14030 (sparc_override_options): Recognize "niagara", set appropriate
14031 default MASK_* values for it, and align functions to 32-bytes
14032 by default just like ULTRASPARC/ULTRASPARC3.
14033 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14034 (sparc64_initialize_trampoline): Likewise.
14035 (sparc_use_sched_lookahead): Use zero for niagara.
14036 (sparc_issue_rate): Use one for niagara.
14037 * config/sparc/niagara.md: New file.
14038 * config/sparc/sparc.md: Include it.
14039 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14040 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14041 when default cpu is niagara.
14042 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14043 (ASM_CPU_SPEC): Likewise.
14044 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14045 when default cpu is niagara.
14046 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14047 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14048 just like v9/ultrasparc/ultrasparc3.
14049 * doc/invoke.texi: Add documentation for "niagara" and improve
14050 existing documentation for ultrasparc variants.
14052 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14054 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14056 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14058 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14059 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14060 and say that only one is needed.
14061 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14062 * target.h (have_switchable_bss_sections): New hook.
14063 * explow.c (use_anchored_address): Check that the symbol is in a block.
14064 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14065 (bss_noswitch_section): New variables.
14066 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14067 (get_noswitch_section): New function.
14068 (get_block_for_section): Allow SECT to be null.
14069 (unlikely_text_section_p): Use SECTION_STYLE.
14070 (bss_initializer_p): New function.
14071 (get_variable_section): Move earlier in file. Take a new argument,
14072 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14073 Return one of the new *_sections in such cases.
14074 (get_block_for_decl): New function, extracting some logic from
14075 use_blocks_for_decl_p.
14076 (change_symbol_section): Remove in favor of...
14077 (change_symbol_block): ...this new function.
14078 (use_blocks_for_decl_p): Remove checks now performed by
14079 get_block_for_decl.
14080 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14081 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14082 (emit_local, emit_bss, emit_common): ...these new functions.
14083 Return true if the alignment was honored.
14084 (emit_tls_common): New function.
14085 (asm_emit_uninitialised): Delete.
14086 (assemble_variable_noswitch): New function, split out from...
14087 (assemble_variable): ...here. Don't make decisions about common
14088 variables here. Globalize all public decls that go into non-common
14089 sections. Check whether SYMBOL_REF_BLOCK is null.
14090 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14091 (output_constant_pool): Likewise.
14092 (init_varasm_once): Initialize the new section variables.
14093 (have_global_bss_p): New function.
14094 (categorize_decl_for_section): Use bss_initializer_p.
14095 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14096 (place_block_symbol): Assert that the symbol must be in a block.
14097 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14098 (TARGET_INITIALIZER): Include it.
14099 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14100 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14101 (SECTION_MACH_DEP): Bump by two.
14102 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14103 (unnamed_section): Mention SECTION_UNNAMED in comment.
14104 (named_section): Likewise SECTION_NAMED.
14105 (noswitch_section_callback): New type.
14106 (noswitch_section): New structure.
14107 (section): Add a noswitch_section alternative.
14108 (SECTION_STYLE): New macro.
14109 (tls_comm_section, comm_section, lcomm_section): Declare.
14110 (bss_noswitch_section, have_global_bss_p): Declare.
14111 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14112 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14114 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14115 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14118 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14120 * tree-vrp.c (execute_vrp): Return value.
14121 * regrename.c (rest_of_handle_regrename): Ditto.
14122 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14123 * tree-complex.c (tree_lower_complex): Ditto.
14124 (tree_lower_complex_O0): Ditto.
14125 * tracer.c (rest_of_handle_tracer): Ditto.
14126 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14127 * postreload.c (rest_of_handle_postreload): Ditto.
14128 * tree-tailcall.c (execute_tail_recursion): Ditto.
14129 (execute_tail_calls): Ditto.
14130 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14131 * tree.h (init_function_for_compilation): Ditto.
14132 * ipa-cp.c (ipcp_driver): Ditto.
14133 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14134 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14135 * final.c (compute_alignments): Ditto.
14136 (rest_of_handle_final): Ditto.
14137 (rest_of_handle_shorten_branches): Ditto.
14138 (rest_of_clean_state): Ditto.
14139 * omp-low.c (execute_expand_omp): Ditto.
14140 (execute_lower_omp): Ditto.
14141 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14142 * ipa-reference.c (static_execute): Ditto.
14143 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14144 * reorg.c (rest_of_handle_delay_slots): Ditto.
14145 (rest_of_handle_machine_reorg): Ditto.
14146 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14147 * flow.c (recompute_reg_usage): Ditto.
14148 (rest_of_handle_remove_death_notes): Ditto.
14149 (rest_of_handle_life): Ditto.
14150 (rest_of_handle_flow2): Ditto.
14151 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14152 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14153 (do_ssa_store_ccp): Ditto.
14154 (execute_fold_all_builtins): Ditto.
14155 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14156 * modulo-sched.c (rest_of_handle_sms): Ditto.
14157 * ipa-pure-const.c (static_execute): Ditto.
14158 * cse.c (rest_of_handle_cse): Ditto.
14159 (rest_of_handle_cse2): Ditto.
14160 * web.c (rest_of_handle_web): Ditto.
14161 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14162 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14163 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14164 * tree-nrv.c (tree_nrv): Ditto.
14165 (execute_return_slot_opt): Ditto.
14166 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14167 (create_structure_vars): Ditto.
14168 * loop-init.c (rtl_loop_init): Ditto.
14169 (rtl_loop_done): Ditto.
14170 (rtl_move_loop_invariants): Ditto.
14171 (rtl_unswitch): Ditto.
14172 (rtl_unroll_and_peel_loops): Ditto.
14173 (rtl_doloop): Ditto.
14174 * gimple-low.c (lower_function_body): Ditto.
14175 (mark_used_blocks): Ditto.
14176 * tree-ssa-sink.c (execute_sink_code): Ditto.
14177 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14178 (cgraph_early_inlining): Ditto.
14179 * global.c (rest_of_handle_global_alloc): Ditto.
14180 * jump.c (cleanup_barriers): Ditto.
14181 (purge_line_number_notes): Ditto.
14182 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14183 (rest_of_handle_if_after_reload): Ditto.
14184 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14185 (tree_ssa_loop_im): Ditto.
14186 (tree_ssa_loop_unswitch): Ditto.
14187 (tree_vectorize): Ditto.
14188 (tree_linear_transform): Ditto.
14189 (tree_ssa_loop_ivcanon): Ditto.
14190 (tree_ssa_empty_loop): Ditto.
14191 (tree_ssa_loop_bounds): Ditto.
14192 (tree_complete_unroll): Ditto.
14193 (tree_ssa_loop_prefetch): Ditto.
14194 (tree_ssa_loop_ivopts): Ditto.
14195 (tree_ssa_loop_done): Ditto.
14196 * predict.c (tree_estimate_probability): Ditto.
14197 * recog.c (split_all_insns_noflow): Ditto.
14198 (rest_of_handle_peephole2): Ditto.
14199 (rest_of_handle_split_all_insns): Ditto.
14200 * tree-eh.c (lower_eh_constructs): Ditto.
14201 * regmove.c (rest_of_handle_regmove): Ditto.
14202 (rest_of_handle_stack_adjustments): Ditto.
14203 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14204 * function.c (instantiate_virtual_regs): Ditto.
14205 (init_function_for_compilation): Ditto.
14206 (rest_of_handle_check_leaf_regs): Ditto.
14207 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14208 (rest_of_handle_gcse): Ditto.
14209 * ipa-type-escape.c (type_escape_execute): Ditto.
14210 * alias.c (rest_of_handle_cfg): Ditto.
14211 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14212 * profile.c (rest_of_handle_branch_prob): Ditto.
14213 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14214 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14215 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14216 * tree-dfa.c (find_referenced_vars): Ditto.
14217 * except.c (set_nothrow_function_flags): Ditto.
14218 (convert_to_eh_region_ranges): Ditto.
14219 (rest_of_handle_eh): Ditto.
14220 * emit-rtl.c (unshare_all_rtl): Ditto.
14221 (remove_unnecessary_notes): Ditto.
14222 * except.h (set_nothrow_function_flags): Ditto.
14223 (convert_to_eh_region_ranges): Ditto.
14224 * cfgexpand.c (tree_expand_cfg): Ditto.
14225 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14226 * tree-ssa-pre.c (do_pre): Ditto.
14227 (execute_fre): Ditto.
14228 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14229 (rest_of_handle_jump2): Ditto.
14230 * tree-sra.c (tree_sra): Ditto.
14231 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14232 (execute_mudflap_function_decls): Ditto.
14233 * tree-ssa-copy.c (do_copy_prop): Ditto.
14234 (do_store_copy_prop): Ditto.
14235 * ipa-prop.h (ipcp_driver): Ditto.
14236 * cfglayout.c (insn_locators_initialize): Ditto.
14237 * tree-ssa-forwprop.c
14238 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14239 * cfglayout.h (insn_locators_initialize): Ditto.
14240 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14241 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14242 (execute_late_warn_uninitialized): Ditto.
14243 * rtl.h (cleanup_barriers): Ditto.
14244 (split_all_insns_noflow): Ditto.
14245 (purge_line_number_notes): Ditto.
14246 (unshare_all_rtl): Ditto.
14247 (remove_unnecessary_notes): Ditto.
14248 (recompute_reg_usage): Ditto.
14249 (variable_tracking_main): Ditto.
14250 * integrate.c (emit_initial_value_sets): Ditto.
14251 * integrate.h (emit_initial_value_sets): Ditto.
14252 * tree-optimize.c (execute_free_datastructures): Ditto
14253 (execute_free_cfg_annotations): Ditto.
14254 (execute_fixup_cfg): Ditto.
14255 (execute_cleanup_cfg_pre_ipa): Ditto.
14256 (execute_cleanup_cfg_post_optimizing): Ditto.
14257 (execute_init_datastructures): Ditto.
14258 * tree-object-size.c (compute_object_sizes): Ditto.
14259 * combine.c (rest_of_handle_combine): Ditto.
14260 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14261 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14262 (rest_of_handle_reorder_blocks): Ditto.
14263 (rest_of_handle_partition_blocks): Ditto.
14264 * var-tracking.c (variable_tracking_main): Ditto.
14265 * tree-profile.c (tree_profiling): Ditto.
14266 * tree-vect-generic.c (expand_vector_operations): Ditto.
14267 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14268 * sched-rgn.c (rest_of_handle_sched): Ditto.
14269 (rest_of_handle_sched2): Ditto.
14270 * basic-block.h (free_bb_insn): Ditto.
14271 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14272 * tree-cfg.c (execute_build_cfg): Ditto.
14273 (remove_useless_stmts): Ditto.
14274 (split_critical_edges): Ditto.
14275 (execute_warn_function_return): Ditto.
14276 (execute_warn_function_noreturn): Ditto.
14277 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14278 * cfgrtl.c (free_bb_for_insn): Ditto.
14279 * passes.c (execute_one_pass): Run additional
14280 todos returned by execute function.
14281 * tree-pass.h (struct tree_opt_pass): Make execute
14284 2006-03-02 Richard Guenther <rguenther@suse.de>
14286 * tree-ssa-alias.c (find_used_portions): Consider taking
14287 the address as making the variable not write-only.
14289 2006-03-02 Nick Clifton <nickc@redhat.com>
14291 * config.gcc (default_use_cxa_atexit): Extend the description of
14292 this configure variable. Set its default value to "yes" for
14293 Linux, NetBSD and ELF targets on the assumption that they will
14294 use C libraries with the __cxa_atexit function.
14296 2006-03-02 Ben Elliston <bje@au.ibm.com>
14298 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14299 parameter as unused to suppress a build warning.
14301 2006-03-02 Ben Elliston <bje@au.ibm.com>
14303 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14306 2006-03-01 Roger Sayle <roger@eyesopen.com>
14309 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14310 declared name, the weak reference name, and the typeof name.
14311 (__gthrw): Avoid expanding the declared name suffix.
14312 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14314 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14316 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14318 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14319 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14320 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14321 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14322 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14323 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14324 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14325 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14326 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14327 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14328 (DW_END_default, DW_END_big, DW_END_little): New.
14329 (DW_END_lo_user, DW_END_hi_user): Define.
14330 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14331 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14332 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14335 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14337 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14339 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14341 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14343 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14345 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14346 to 'symbol_mem_tag'.
14348 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14351 2006-03-01 Roger Sayle <roger@eyesopen.com>
14353 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14355 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14358 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14359 MACHO_DYNAMIC_NO_PIC_P.
14360 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14362 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14365 * config/darwin-protos.h (darwin_asm_output_anchor):
14367 * config/darwin-sections.def (cstring_section):
14368 Add SECTION_MERGE to the flags.
14369 (literal4_section): Likewise.
14370 (literal8_section): Likewise.
14371 (objc_selector_refs_section): Likewise.
14372 (objc_cls_refs_section): Likewise.
14373 * config/darwin.c (darwin_asm_output_anchor): New
14375 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14377 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14379 Fix PR tree-optimization/26443
14380 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14381 to todo and PROP_tmt_usage to properties_destroyed.
14382 * tree-ssa-ccp.c (pass_ccp): Ditto.
14383 (pass_store_ccp): Ditto.
14384 * tree-ssa-dom.c (pass_dominator): Ditto.
14386 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14388 * tree-ssa-operands.c: Cleanup whitespace.
14389 (get_asm_expr_operands): Move before first invocation.
14390 (get_indirect_ref_operands): Likewise.
14391 (get_tmr_operands): Likewise.
14392 (get_call_expr_operands): Likewise.
14393 (append_def): Likewise.
14394 (append_use): Likewise.
14395 (append_v_may_def): Likewise.
14396 (append_v_must_def): Likewise.
14397 (add_call_clobber_ops): Likewise.
14398 (add_call_read_ops): Likewise.
14399 (add_stmt_operand): Likewise.
14400 (add_virtual_operand): Likewise.
14401 (build_ssa_operands): Likewise.
14403 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14405 PR middle-end/26022
14407 PR middle-end/24437
14408 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14409 with a call expr to ...
14410 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14412 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14414 * tree-vrp.c (extract_range_from_assert): Remove special
14415 handling for types with super-types.
14417 2006-03-01 Ben Elliston <bje@au.ibm.com>
14419 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14420 and powerpc64-*-linux* configurations.
14421 * config/t-dfprules: New file.
14423 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14424 Compile dfp-bit.c from the source directory using -DWIDTH and
14425 $DFP_CFLAGS to control the compilation of that file, rather than
14426 generating width-specific versions in the build directory.
14427 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14428 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14430 2006-02-28 Zack Weinberg <zackw@panix.com>
14432 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14435 2006-02-28 Eric Christopher <echristo@apple.com>
14437 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14438 Set up IN_LIBGCC definition of TARGET_64BIT.
14439 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14441 2006-02-28 Roger Sayle <roger@eyesopen.com>
14443 PR middle-end/14752
14444 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14445 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14446 cases via the construction of "expr != 0".
14448 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14450 * alias.c (alias_invariant, alias_invariant_size): Remove.
14451 (record_base_value): Remove.
14452 (memrefs_conflict_p): Don't look at alias_invariant.
14453 (end_alias_analysis): Don't free it.
14454 * alias.h (record_base_value): Remove prototype.
14456 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14457 Adam Nemet <anemet@caviumnetworks.com>
14459 * rtl.h (truncated_to_mode): Declare it.
14460 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14461 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14462 (RTL_HOOKS_INITIALIZER): Include it.
14463 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14464 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14465 reg_truncated_to_mode.
14466 * rtlanal.c (truncated_to_mode): Define it.
14467 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14469 2006-02-28 Jeff Law <law@redhat.com>
14471 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14472 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14473 the range allowed by TYPE_PRECISION.
14475 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14477 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14479 PR tree-optimization/26419
14480 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14483 2006-02-27 Zack Weinberg <zackw@panix.com>
14485 * doc/md.texi: Fix typo in previous change.
14487 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14491 2006-02-27 Zack Weinberg <zackw@panix.com>
14493 * rtl.def (define_constraint, define_register_constraint)
14494 (define_memory_constraint, define_address_constraint): New MD forms.
14495 * gensupport.c (process_rtx): Put define_constraint etc on the
14497 * genpreds.c (process_define_predicate): Adjust comment. Validate
14498 the name, and call validate_exp to validate the expression.
14499 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14500 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14501 all callers changed.
14502 (validate_exp, needs_variable, struct constraint_data)
14503 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14504 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14505 (const_dbl_constraints, constraint_max_namelen)
14506 (have_register_constraints, have_memory_constraints)
14507 (have_address_constraints, have_address_constraints)
14508 (have_extra_constraints, have_const_int_constraints)
14509 (have_const_dbl_constraints, mangle, add_constraint)
14510 (process_define_constraint, process_define_register_constraint)
14511 (write_enum_constraint_num, write_lookup_constraint)
14512 (write_insn_constraint_len, write_regclass_for_constraint)
14513 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14514 (write_insn_extra_memory_constraint)
14515 (write_insn_extra_address_constraint)
14516 (write_satisfies_constraint_fns): New.
14517 (write_tm_preds_h): If we have new-style constraint definitions,
14518 prototype the functions generated from them, and define the
14519 old constraint interface (still used by generic code) in terms of
14521 (write_insn_preds_c): If we have new-style constraint definitions,
14522 generate all relevant functions from those definitions.
14523 (main): Handle define_constraint etc.
14524 * genoutput.c (struct constraint_data, indep_constraints)
14525 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14526 (mdep_constraint_len): New data structures and functions, defined
14527 #ifdef USE_MD_CONSTRAINTS.
14528 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14529 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14530 use new logic to validate operand constraints against constraint
14532 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14534 * defaults.h: If none of the old-style constraint macros are
14535 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14536 old-style macros; and poison REG_CLASS_FROM_LETTER,
14537 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14539 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14540 * doc/md.texi: Document new constraint-definition mechanism and the
14541 C interface it provides. Remove references to old mechanism
14542 elsewhere in the document.
14543 (Machine Constraints): Use pathnames relative to gcc directory,
14544 i.e. config/ARCH/FILE. Change i386 section to refer to
14545 config/i386/predicates.md; update that section to match docstrings.
14546 * doc/tm.texi: Move all documentation of the old constraint-
14547 definition macros to their own section, clearly mark as obsolete.
14549 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14550 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14552 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14553 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14554 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14555 constraint strings.
14556 (splits and peepholes): Use satisfies_constraint_*.
14557 * config/i386/i386.c (memory_address_length)
14558 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14560 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14562 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14563 scalar operation to be put back into the loop.
14565 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14568 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14569 (extract_cie_info): Handle S flag in augmentation string.
14570 (execute_cfa_program): If context->signal_frame, execute also
14571 fs->pc == context->ra instructions.
14572 (uw_frame_state_for): If context->signal_frame, don't subtract one
14573 from context->ra to find FDE.
14574 (uw_update_context_1): Set context->signal_frame to
14576 (_Unwind_GetIPInfo): New function.
14577 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14578 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14580 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14581 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14582 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14583 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14584 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14585 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14586 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14587 x86_64_fallback_frame_state): Set fs->signal_frame.
14588 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14589 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14590 (frob_update_context): Likewise. Workaround missing S flag in
14591 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14592 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14593 Remove the psw_addr + 1 hack.
14595 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14597 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14598 with aggregates here.
14599 (find_func_aliases): Remove code for &<aggregate> from here.
14601 2006-02-26 Roger Sayle <roger@eyesopen.com>
14603 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14604 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14605 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14606 as (X & C) ne/eq 0.
14608 2006-02-26 Roger Sayle <roger@eyesopen.com>
14610 PR middle-end/19983
14611 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14613 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14615 * opts.c (decode_options): Do not handle flag_strength_reduce.
14616 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14617 and OPT_fstrength_reduce.
14618 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14619 flag_prefetch_loop_arrays for being nonzero.
14620 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14622 (fprefetch-loop-arrays-rtl): Removed.
14623 (flag_prefetch_loop_arrays): Do not specify the value.
14625 * doc/passes.texi: Update documentation of loop optimizer
14627 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14628 -frerun-loop-opt): Remove.
14630 2006-02-26 Richard Guenther <rguenther@suse.de>
14632 PR tree-optimization/26421
14633 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14634 in function calls that are ADDR_EXPRs as using the whole structure.
14636 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14638 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14639 * tree-pass.h (pass_loop_optimize): Remove.
14640 * passes.c (pass_loop_optimize): Never run it.
14641 * toplev.c (backend_init): Don't call init_loop.
14642 * opts.c (flag_loop_optimize_set): Remove.
14643 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14644 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14645 the old RTL loop optimizer when profiling enabled.
14646 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14647 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14648 pre-headers for the sake of the old RTL loop optimizer.
14649 * Makefile.in: Remove all references to loop.o.
14651 * doc/invoke.texi: Remove all references to -floop-optimize
14652 and -frerun-loop-opt.
14654 2006-02-26 Zack Weinberg <zackw@panix.com>
14656 * doc/md.texi (Machine Constraints): Refer to all files with paths
14657 relative to gcc directory (i.e. config/CPU/file). Add missing
14658 @table @code ... @end table to M32C subsection.
14660 2006-02-26 Roger Sayle <roger@eyesopen.com>
14662 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14664 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14666 2006-02-26 Roger Sayle <roger@eyesopen.com>
14667 James A. Morrison <phython@gcc.gnu.org>
14669 PR middle-end/21137
14670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14671 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14672 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14673 signedness of the shift operation.
14675 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14677 PR tree-optimization/26359
14678 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14680 2006-02-25 Roger Sayle <roger@eyesopen.com>
14682 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14683 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14684 as X == 0, and some symmetry related transformations.
14685 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14687 2006-02-25 Roger Sayle <roger@eyesopen.com>
14689 PR middle-end/23673
14690 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14691 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14692 symmetry related transformations. Fold (X^C1) == C2 as
14695 2006-02-25 Juergen Weigert <jw@suse.de>
14696 Richard Guenther <rguenther@suse.de>
14698 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14700 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14702 * combine.c (gen_lowpart_or_truncate): Call
14703 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14705 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14707 * doc/invoke.texi: Move -fopenmp description to "Options for
14709 Remove reference to -lgomp.
14711 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14713 * doc/install.texi: Require GNU tar version 1.14.
14715 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14717 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14718 * doc/invoke.texi (C++ Dialect Options): Document
14719 -fno-use-cxa-get-exception-ptr.
14720 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14721 * configure: Regenerate.
14722 * c.opt (fuse-cxa-get-exception-ptr): New.
14723 * c-opts.c (c_common_handle_option): Handle
14724 OPT_fuse_cxa_get_exception_ptr.
14725 * c-common.c (flag_use_cxa_atexit): Update documentation.
14726 (flag_use_cxa_get_exception_ptr): New.
14727 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14728 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14730 (C_COMMON_OVERRIDE_OPTIONS): New.
14732 2006-02-24 Roger Sayle <roger@eyesopen.com>
14734 PR middle-end/24952
14735 * combine.c (try_combine): Explicitly check whether GET_CODE is
14736 a SET or a CLOBBER, instead on checking that it isn't a USE.
14738 2006-02-24 Roger Sayle <roger@eyesopen.com>
14740 * fold-const.c (fold_comparison): New subroutine of fold_binary
14741 containing transformations common to both the equality and
14742 ordering relational operators, factored out of fold_binary.
14743 (fold_binary): Separate out the equality operators (EQ_EXPR
14744 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14745 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14746 transformations common to both.
14747 (fold_div_compare): Fix latent bugs in the previously unreachable
14748 LT_EXPR and GE_EXPR cases.
14750 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14752 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14753 decl libname for clog to __clog on AIX.
14755 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14757 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14760 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14761 output traceback table for thunks. Localise rs6000_stack_info call.
14763 2006-02-23 Roger Sayle <roger@eyesopen.com>
14764 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14766 * gthr-posix.h (__gthrw): Fix typo in comment.
14768 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14770 * doc/cpp.texi (Character sets): Document that we do support
14771 input files to be in any character set.
14773 2006-02-23 Jeff Law <law@redhat.com>
14775 * tree.h (PHI_ARG_NONZERO): Remove.
14776 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14777 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14778 node to the new node.
14780 PR tree-optimization/26425
14781 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14782 min/max, then assume its varying.
14784 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14786 PR rtl-optimization/26316
14787 * rtlanal.c (enum may_trap_p_flags): New.
14788 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14789 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14790 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14791 (may_trap_after_code_motion_p): New function.
14792 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14793 (find_invariant_insn): Use may_trap_after_code_motion_p.
14794 * rtl.h (may_trap_after_code_motion_p): Declare.
14796 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14798 * emit-rtl.c (immed_double_const): Cleanup.
14800 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14802 Fix PR tree-optimization/26376
14803 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14806 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14808 PR middle-end/26412
14809 * gimplify.c (omp_add_variable): Guard variable size decl test with
14810 DECL_SIZE (decl) check.
14812 2006-02-23 Richard Guenther <rguenther@suse.de>
14814 PR middle-end/26439
14815 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14816 like aggregate types.
14818 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14820 * configure.ac: Add --with{,out}-long-double-128 configure option.
14821 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14822 * configure: Rebuilt.
14823 * config.in: Rebuilt.
14824 * doc/install.texi (Options specification): Document
14825 --with-long-double-128.
14827 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14828 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14829 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14830 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14832 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14834 * config/s390/s390.c (override_options): Handle
14835 TARGET_DEFAULT_LONG_DOUBLE_128.
14837 * config/alpha/alpha.c (override_options): Handle
14838 TARGET_DEFAULT_LONG_DOUBLE_128.
14840 * config/sparc/sparc.c (sparc_override_options): Handle
14841 TARGET_DEFAULT_LONG_DOUBLE_128.
14843 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14845 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14846 (real-install-headers-tar, real-install-headers-cpio)
14847 (real-install-headers-cp): New targets.
14849 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14851 * tree.h (variable_section): Delete.
14852 * varasm.c (variable_section): Delete.
14854 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14856 * install.texi: Add notes on install.texi2html.
14857 (Building in parallel): Do not use footnotes.
14859 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14862 * doc/install.texi (Configuration): Document --disable-libgomp.
14864 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14866 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14868 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14870 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14871 (vec_extractv2df_0_sse): New.
14873 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14875 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14876 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14877 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14878 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14879 to the result of the expression.
14880 (def_cfa_1): Adjust.
14881 (frame_pointer_cfa_offset): Rename to...
14882 (frame_pointer_fb_offset): ... this. Adjust all uses.
14883 (convert_cfa_to_loc_list): Rename to...
14884 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14885 Pass it on to build_cfa_loc.
14886 (compute_frame_pointer_to_cfa_displacement): Rename to...
14887 (compute_frame_pointer_to_fb_displacement): ... this. New
14888 offset parameter. Use it in computation.
14889 (gen_subprogram_die): Compute cfa_fb_offset with the new
14890 macro, and use it to compute the fb loc list and the
14893 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14895 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14896 replaced with register_operand.
14897 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14898 non-DREG is expensive.
14899 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14900 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14903 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14905 * doc/install.texi2html: Use set -e.
14907 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14909 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14910 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14911 * doc/invoke.texi (-fshared-data): Delete.
14912 * common.opt (fshared-data): Delete.
14913 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14914 (assemble_static_space): Remove #if 0 code.
14915 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14916 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14917 * config/cris/cris.h: Remove FIXME.
14919 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14921 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14924 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14926 PR middle-end/26379
14927 * combine.c (simplify_shift_const_1): Disable nested shifts
14928 optimization for vector shifts.
14930 2006-02-20 Roger Sayle <roger@eyesopen.com>
14932 PR tree-optimization/26361
14933 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14934 of unsigned integer types.
14936 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14938 * tree-chrec.c (eq_evolutions_p): New.
14939 * tree-chrec.h (eq_evolutions_p): Declared.
14940 * tree-data-ref.c: Fix formatting.
14941 (datadep_stats, dependence_stats): New.
14943 (print_direction_vector): New.
14944 (dump_data_dependence_relation): Use print_direction_vector.
14945 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14946 (compute_subscript_distance): Static.
14947 (initialize_data_dependence_relation): Static. Get the number
14948 of loops surrounding the references from the callers, and initialize
14949 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14950 base_object_differ_p analyzers.
14951 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14952 compute_overlap_steps_for_affine_1_2,
14953 analyze_subscript_affine_affine): Count the classified dependences.
14954 Print a message when a test failed.
14955 (can_use_analyze_subscript_affine_affine): New.
14956 (analyze_siv_subscript): Compute the data dependences on symbolic
14957 scevs that verify can_use_analyze_subscript_affine_affine.
14958 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14959 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14960 Handle symbolic scevs.
14961 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14963 (subscript_dependence_tester): Moved...
14964 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14965 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14966 DDR_SIZE_VECT instead of getting it in parameter.
14967 (subscript_dependence_tester): ... here. Take as a parameter
14968 loop_nest_depth. Call build_classic_dist_vector and
14969 build_classic_dir_vector.
14970 (compute_affine_dependence): Update subscript_dependence_tester
14971 parameters. Update datadep_stats counters. Call
14972 compute_subscript_distance.
14973 (compute_self_dependence): Save the dist and dir vectors. Call
14974 compute_subscript_distance.
14975 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14976 (compute_all_dependences): Reorder parameters as they were before
14977 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14978 compute_subscript_distance. Update the use of
14979 compute_affine_dependence and initialize_data_dependence_relation.
14980 (find_data_references_in_loop): Handle COMPONENT_REF.
14981 (compute_data_dependences_for_loop): Initialize dependence_stats.
14982 Don't call build_classic_dist_vector and build_classic_dir_vector.
14983 Update the parameters of initialize_data_dependence_relation and
14984 compute_all_dependences. Print the statistics from datadep_stats.
14985 (analyze_all_data_dependences): Static. Not used until the pass for
14986 checking the data dependences is contributed.
14987 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14988 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14989 (initialize_data_dependence_relation, compute_affine_dependence,
14990 analyze_all_data_dependences, compute_subscript_distance): Removed.
14991 (print_direction_vector): New.
14992 * lambda.h (gcd): ... here.
14993 (lambda_vector_gcd): Moved here from gcd_vector.
14994 * lambda-code.c (gcd, gcd_vector): Removed.
14995 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14996 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14998 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15000 * ipa-type-escape.c: Tidy some comments and white space.
15001 * tree-ssa-operands.c: Likewise.
15003 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15006 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15007 (dump_decl_name): Do not walk the decl tree chains.
15008 * tree-pass.h (TDF_CHAIN): Remove.
15010 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15012 * Makefile.in (C): Remove
15014 (.PHONY): Remove C and PROTO
15016 2006-02-20 Roger Sayle <roger@eyesopen.com>
15018 PR middle-end/26236
15019 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15020 deprecated CHAR_TYPE tree code.
15022 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15024 * configure.ac (target_list): Add install-info, dvi, html.
15025 * configure: Regenerate.
15027 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15028 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15029 treelang/Make-lang.in: Do not use double-colon rules.
15031 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15033 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15034 (TMT_USED_ALONE): New macro.
15035 * tree-pass.h (PROP_tmt_usage): New property.
15036 (TODO_update_tmt_usage): New todo.
15037 * tree-ssa-alias.c (updating_used_alone): New variable.
15038 (recalculate_used_alone): New function.
15039 (compute_may_aliases): Set updating_used_alone, call
15040 recalculate_used_alone.
15041 * tree-sra.c (pass_sra): Note that this pass destroys
15042 PROP_tmt_usage, and add TODO_update_tmt_usage.
15043 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15044 * tree-flow.h (updating_used_alone): Prototype.
15045 (recalculate_used_alone): Ditto.
15046 * passes.c (execute_todo): Add code to set updating_used_alone,
15047 and call recalculate.
15048 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15049 for clobber if used alone, and add assert to verify used_alone
15052 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15054 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15055 for non tls symbols added.
15056 (legitimize_address): Do nothing for PLUS expressions if one of the
15057 addends is a tls symbol reference.
15059 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15063 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15065 * Makefile.in (BOOTSTRAPPING): New.
15066 (quickstrap): New definition if BOOTSTRAPPING=yes.
15068 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15069 * configure.ac: Substitute all_selected_languages with the languages
15070 that were configured. For all the other variables except
15071 lang_specs_files, include all the languages in the tree.
15072 * configure: Regenerate.
15074 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15075 if there is one. Run the commands to run fixincludes in the same
15078 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15079 * doc/install.texi: Document exact conventions for searching target tools.
15080 Document --with-build-time-tools. Document toplevel bootstrap. Document
15081 something more about building an Ada cross-compiler. Don't list GNU Make
15082 requirements which affect all platforms.
15084 2006-02-19 Roger Sayle <roger@eyesopen.com>
15086 PR middle-end/19543
15087 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15088 only equivalent if the have both the same mode and precision.
15090 2006-02-20 Ben Elliston <bje@au.ibm.com>
15092 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15094 2006-02-19 Roger Sayle <roger@eyesopen.com>
15095 Steven Bosscher <stevenb.gcc@gmail.com>
15097 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15098 constant pool references to identify stack mode constants.
15099 * rtlanal.c (constant_pool_constant_p): New predicate to check
15100 whether operand is a floating point constant in the pool.
15101 * rtl.h (constant_pool_constant_p): Prototype here.
15102 * loop.c (scan_loop): Avoid hoisting constants from the constant
15103 pool on STACK_REGS targets.
15104 (load_mems): Likewise.
15105 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15106 loads into x87 registers expensive in terms of register pressure.
15108 2006-02-19 Roger Sayle <roger@eyesopen.com>
15110 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15111 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15113 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15115 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15116 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15118 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15120 * doc/invoke.texi: Document -fipa-pta.
15121 * common.opt: Add ipa-pta option.
15122 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15123 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15124 (do_ds_constraint): Ditto.
15125 (get_constraint_for): Only add to referenced_vars if
15126 referenced_vars exists.
15127 (insert_into_field_list): Rewrite to do this unsorted.
15128 (insert_into_field_list_sorted): Rename old insert_into_field_list
15130 (create_function_info_for): Use insert_into_field_list_sorted.
15131 (create_variable_info_for): Rewrite so it uses unsorted version,
15132 since the field list is sorted.
15133 (intra_create_variable_infos): Only add to referenced_vars if
15134 referenced_vars exists.
15135 (ipa_pta_execute): Init heapvars, and delete when done.
15136 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15138 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15140 * doc/install.texi: Add missing `@samp'.
15142 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15144 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15147 2006-02-18 Mark Wielaard <mark@klomp.org>
15149 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15150 who added new 4.1 features, bug fixes and integration support.
15152 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15155 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15156 MEM for ABI_V4 pic.
15158 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15160 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15161 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15162 (copy_insn_1): Likewise. Don't copy each field individually.
15164 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15166 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15167 * rtl.c (rtx_size): Rename variable to...
15168 (rtx_code_size): ...this.
15169 (rtx_size): New function.
15170 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15171 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15173 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15174 * rtl.h (rtx_code_size): New variable.
15175 (rtx_size): Change from a variable to a function.
15176 (RTX_SIZE): Rename to...
15177 (RTX_CODE_SIZE): ...this.
15180 PR tree-optimization/17106
15181 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15182 (Anchored Addresses): New section.
15183 * doc/invoke.texi (-fsection-anchors): Document.
15184 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15185 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15186 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15187 * hooks.c (hook_bool_mode_rtx_false): New function.
15188 * hooks.h (hook_bool_mode_rtx_false): Declare.
15189 * gengtype.c (create_optional_field): New function.
15190 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15191 SYMBOL_REF_IN_BLOCK_P is true.
15192 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15193 (min_anchor_offset, max_anchor_offset): Likewise.
15194 (use_anchors_for_symbol_p): New hook.
15195 * toplev.c (compile_file): Call output_object_blocks.
15196 (target_supports_section_anchors_p): New function.
15197 (process_options): Check that -fsection-anchors is only used on
15198 targets that support it and when -funit-at-a-time is in effect.
15199 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15200 if the decl doesn't have one.
15201 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15202 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15203 of force_const_mem through use_anchored_address.
15204 (expand_expr_constant): New function.
15205 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15206 calling expand_expr for INDIRECT_REF.
15207 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15208 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15209 * expr.h (use_anchored_address): Declare.
15210 * loop-unroll.c: Don't declare rtx vectors here.
15211 * explow.c: Include output.h.
15212 (validize_mem): Call use_anchored_address.
15213 (use_anchored_address): New function.
15214 * common.opt (-fsection-anchors): New switch.
15215 * varasm.c (object_block_htab, anchor_labelno): New variables.
15216 (hash_section, object_block_entry_eq, object_block_entry_hash)
15217 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15218 (use_blocks_for_decl_p, change_symbol_section): New functions.
15219 (get_variable_section): New function, split out from assemble_variable.
15220 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15221 use_blocks_for_decl_p say so. Use change_symbol_section if the
15222 symbol has already been created.
15223 (assemble_variable_contents): New function, split out from...
15224 (assemble_variable): ...here. Don't output any code for
15225 block symbols; just pass them to place_block_symbol.
15226 Use get_variable_section and assemble_variable_contents.
15227 (get_constant_alignment, get_constant_section, get_constant_size): New
15228 functions, split from output_constant_def_contents.
15229 (build_constant_desc): Create a block symbol if use_object_blocks_p
15230 says so. Or into SYMBOL_REF_FLAGS.
15231 (assemble_constant_contents): New function, split from...
15232 (output_constant_def_contents): ...here. Don't output any code
15233 for block symbols; just pass them to place_section_symbol.
15234 Use get_constant_section and get_constant_alignment.
15235 (force_const_mem): Create a block symbol if use_object_blocks_p and
15236 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15237 (output_constant_pool_1): Add an explicit alignment argument.
15238 Don't switch sections here.
15239 (output_constant_pool): Adjust call to output_constant_pool_1.
15240 Switch sections here instead. Don't output anything for block symbols;
15241 just pass them to place_block_symbol.
15242 (init_varasm_once): Initialize object_block_htab.
15243 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15244 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15245 (place_block_symbol, get_section_anchor, output_object_block)
15246 (output_object_block_htab, output_object_blocks): New functions.
15247 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15248 (TARGET_ASM_OUT): Include it.
15249 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15250 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15251 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15252 (TARGET_INITIALIZER): Include them.
15253 * rtl.c (rtl_check_failed_block_symbol): New function.
15254 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15255 (block_symbol, object_block): New structures.
15256 (rtx_def): Add a block_symbol field to the union.
15257 (BLOCK_SYMBOL_CHECK): New macro.
15258 (rtl_check_failed_block_symbol): Declare.
15259 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15260 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15261 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15262 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15263 * output.h (output_section_symbols): Declare.
15264 (object_block): Name structure.
15265 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15266 (default_use_anchors_for_symbol_p): Declare.
15267 * Makefile.in (RTL_BASE_H): Add vec.h.
15268 (explow.o): Depend on output.h.
15269 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15270 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15271 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15272 (rs6000_use_blocks_for_constant_p): New function.
15274 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15276 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15278 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15281 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15284 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15286 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15290 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15292 PR middle-end/26334
15293 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15294 instead of DECL_REGISTER.
15296 2006-02-18 Olivier Hainque <hainque@adacore.com>
15299 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15301 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15304 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15305 * opth-gen.awk: Handle Var and InverseMask together.
15306 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15307 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15308 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15309 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15311 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15312 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15313 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15314 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15315 LINUX_DYNAMIC_LINKER): Define.
15316 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15317 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15319 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15320 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15321 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15323 (TARGET_C99_FUNCTIONS): Don't define.
15324 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15325 GLIBC_DYNAMIC_LINKER.
15326 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15327 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15328 GLIBC_DYNAMIC_LINKER64): Define.
15329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15330 LINUX_DYNAMIC_LINKER64.
15331 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15333 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15335 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15337 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15338 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15339 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15341 and LINUX_DYNAMIC_LINKER32.
15342 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15344 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15346 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15348 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15349 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15350 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15351 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15353 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15354 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15355 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15356 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15357 LINUX_DYNAMIC_LINKER): Define.
15358 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15359 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15360 GLIBC_DYNAMIC_LINKER64): Define.
15361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15362 LINUX_DYNAMIC_LINKER64.
15363 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15364 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15365 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15366 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15367 LINUX_DYNAMIC_LINKER): Define.
15368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15369 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15370 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15371 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15372 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15373 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15374 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15375 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15376 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15377 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15379 * doc/invoke.texi (-muclibc): Remove caveat about supported
15382 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15384 * doc/cpp.texi (__TIMESTAMP__): Document.
15386 2006-02-17 Roger Sayle <roger@eyesopen.com>
15388 PR middle-end/25600
15389 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15390 C is one less than the width of X (and related transformations).
15391 * simplify-rtx.c (simplify_unary_operation_1): Transform
15392 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15393 depending on STORE_FLAG_VALUE, were C is one less then the
15396 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15398 Fix PR tree-optimization/26341
15399 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15400 about NAME_MEMORY_TAG's.
15402 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15405 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15406 with hardware float support, and software float support. Add fcpy
15407 alternative to hardware patterns. Add alternatives to copy between
15408 general and floating-point registers to the 32-bit pattern.
15409 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15410 secondary reload to load a QI or HI mode constant into a floating
15412 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15413 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15415 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15418 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15420 (load_macho_picbase_di): Likewise.
15422 2006-02-16 Jeff Law <law@redhat.com>
15424 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15425 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15426 (ssa_name_nonzero_p): Likewise.
15427 (get_value_range): Return NULL if VRP is not running.
15428 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15429 VRP routines do not discover a range.
15430 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15431 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15432 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15433 (tree_expr_nonnegative_p): Similarly.
15434 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15435 (restore_nonzero_vars_to_original_value): Remove.
15436 (unsafe_associative_fp_binop): Remove.
15437 (tree_ssa_dominator_optimize): Remove initialization and
15438 finalization of nonzero_vars and nonzero_vars_stack.
15439 (dom_opt_initialize_block): No longer push marker on
15440 nonzero_vars_stack.
15441 (dom_opt_finalize_block): No longer call
15442 restore_nonzero_vars_to_original_value.
15443 (record_equivalences_from_phis): No longer look for
15444 nonzero PHI arguments.
15445 (cprop_into_successor_phis): No longer propagate nonzero
15446 property into PHI arguments. Lose unused argument. Caller
15448 (record_equivalences_from_stmt): No longer record nonzero
15449 values for SSA_NAMEs.
15450 (lookup_avail_expr): No longer use nonzero_vars.
15452 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15453 for sizetype when sizetype is unsigned.
15455 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15457 PR rtl-optimization/25603
15458 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15459 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15460 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15461 with new meaning of SETS.
15463 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15468 * config/linux.opt: New file.
15469 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15470 LINUX_DYNAMIC_LINKER): Define.
15471 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15472 * config.gcc (*-*-linux*): Define extra_options.
15473 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15474 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15475 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15476 GLIBC_DYNAMIC_LINKER.
15477 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15478 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15479 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15481 * doc/invoke.texi (GNU/Linux Options): New section.
15483 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15485 * config/sparc/sparc.md (setjmp): Rewrite.
15486 (setjmp_32): Delete.
15487 (setjmp_64): Likewise.
15489 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15491 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15494 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15496 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15499 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15501 PR rtl-optimization/26296
15502 * Makefile.in (loop-invariant.c): Add except.h dependency.
15503 * loop-invariant.c: Include except.h.
15504 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15506 2005-02-16 Paul Brook <paul@codesourcery.com>
15508 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15511 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15513 PR rtl-optimization/25636
15514 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15515 when deciding whether an insn is an initializing insn.
15517 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15519 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15520 (tree_code_size): Ditto.
15521 * tree.h (struct tree_memory_tag): Remove parent_var.
15522 (struct tree_struct_field_tag): New.
15525 (union tree_node): Add sft member.
15526 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15528 (create_sft): Add size and offset argument, set SFT_OFFSET and
15530 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15531 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15532 * tree-flow-inline.h (get_subvar_at): Update for
15533 SFT_OFFSET/SFT_SIZE.
15534 (var_can_have_subvars): Ditto.
15535 (overlap_subvar): Ditto.
15536 * print-tree.c (print_node): Print out interesting things for
15538 * tree-flow.h (struct subvar): Remove offset and size members.
15539 * tree-ssa-operands.c (get_expr_operands): Update for
15540 get_indirect_ref_operands changes.
15541 (get_indirect_ref_operands): Call add_virtual_operand instead of
15542 add_stmt_operand. Only recurse on base var if requested.
15543 (access_can_touch_variable): New function.
15544 (add_stmt_operand): Split virtual operand handling into ...
15545 (add_virtual_operand): Here. Add offset, size, and for_clobber
15546 arguments. Prune alias sets.
15547 (add_call_clobber_ops): Call add_virtual_operand.
15549 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15551 PR middle-end/26300
15552 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15554 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15555 than TREE_CODE as index into omp_clause_num_ops array.
15557 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15559 PR rtl-optimization/26184
15560 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15562 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15563 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15564 must_precede, must_follow and tobe_scheduled.
15567 * opts.c (common_handle_option): Free new_option pointer.
15568 * df-core.c (df_analyze): Free postorder pointer.
15570 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15572 * Makefile.in: Fix the examples about the use of stamps
15574 2006-02-15 Michael Matz <matz@suse.de>
15576 PR middle-end/22275
15578 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15579 influenced by maximum_field_alignment or DECL_PACKED.
15580 (update_alignment_for_field): Ditto.
15581 (place_field): Ditto.
15582 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15585 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15587 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15588 (debug_flow_info): Pass it.
15589 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15590 * bb-reorder.c (reorder_basic_blocks): Likewise.
15591 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15592 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15593 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15594 * gcse.c (gcse_main, bypass_jumps): Likewise.
15595 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15596 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15597 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15598 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15599 * rtl.h (dump_flow_info): Adjust prototype.
15600 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15601 * var-tracking.c (variable_tracking_main): Likewise.
15602 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15603 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15606 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15608 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15611 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15613 PR tree-optimization/26209
15614 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15615 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15617 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15619 2006-02-14 Roger Sayle <roger@eyesopen.com>
15621 PR middle-end/23670
15622 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15623 (X,Y) and the corresponding symmetry related transformations.
15624 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15625 (X,Y) and its symmetry related transformations.
15627 2006-02-14 Roger Sayle <roger@eyesopen.com>
15629 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15632 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15634 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15636 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15639 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15640 support COMDAT group.
15641 * configure: Regenerate.
15643 2006-02-14 Roger Sayle <roger@eyesopen.com>
15645 PR middle-end/26279
15646 PR middle-end/26280
15647 PR middle-end/26283
15648 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15650 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15652 Fix PR tree-optimization/26260
15654 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15656 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15657 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15658 * tree-ssa-structalias.c (create_variable_info_for): Use
15659 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15661 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15663 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15665 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15666 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15667 of the ending condition.
15668 * tree-ssa-loop-manip.c: Include params.h.
15669 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15670 tree_unroll_loop): New functions.
15671 * tree-pass.h (pass_loop_prefetch): Declare.
15672 * loop.c (rest_of_handle_loop_optimize): Test for
15673 -fprefetch-loop-arrays-rtl.
15674 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15675 * timevar.def (TV_TREE_PREFETCH): New timevar.
15676 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15677 pass_loop_prefetch): New.
15678 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15679 (cleanup_tree_cfg_loop): Call scev_reset.
15680 * common.opt (fprefetch-loop-arrays-rtl): Add.
15681 * tree-ssa-loop-prefetch.c: New file.
15682 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15683 (new_temp_expr_table): Initialize expr_vars.
15684 (free_temp_expr_table): Cleanup expr_vars.
15685 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15686 expressions from being merged into one.
15687 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15688 (struct tree_niter_desc): Add control, bound and cmp fields.
15689 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15691 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15692 (tree-cfgcleanup.o): Add SCEV_H dependency.
15693 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15694 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15696 2006-02-14 Richard Guenther <rguenther@suse.de>
15698 PR tree-optimization/26258
15699 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15700 in PHI argument processing.
15702 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15704 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15705 new expression in the requested machine mode.
15707 2006-02-13 Roger Sayle <roger@eyesopen.com>
15709 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15710 directly, instead let do_compare_rtx_and_jump handle this for us.
15711 * expr.c (expand_expr_real_1): Likewise.
15712 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15713 before do_jump_by_parts_greater.
15714 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15715 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15717 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15719 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15721 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15723 PR rtl-optimization/26235
15724 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15725 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15728 2006-02-13 Jeff Law <law@redhat.com>
15730 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15733 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15735 PR middle-end/26092
15736 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15737 twice if decl is a builtin. When trying again, call get_callee_fndecl
15738 first to verify it is still a builtin.
15740 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15742 * dwarf2out.c (base_type_die): Don't add AT_name here.
15743 (subrange_type_die): Don't add AT_name here.
15744 (modified_type_die): Rearrange code flow. Do add AT_name here.
15746 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15748 PR rtl-optimization/26247
15749 PR rtl-optimization/26248
15750 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15752 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15754 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15755 * config/fixtfdi.c: Likewise.
15756 * config/fixunstfdi.c: Likewise.
15757 * config/floatditf.c: Likewise.
15759 2006-02-13 Roger Sayle <roger@eyesopen.com>
15761 PR middle-end/24427
15762 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15763 into (X,C2) if C1 is a subset of the bits of C2. Transform
15764 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15766 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15768 2006-02-13 Josh Conner <jconner@apple.com>
15771 * varasm.c (function_section): Check for section name before
15772 calling select_section on targets that define
15773 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15774 unlikely_text_section instead of hot_function_section if
15775 first_function_block_is_cold.
15777 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15779 PR middle-end/25335
15780 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15782 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15784 PR rtl-optimization/26222
15785 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15786 after tree->rtl expansion.
15787 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15788 before passing it to emit_move_insn.
15790 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15792 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15794 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15795 Clarify documentation.
15796 * c-common.h (warn_write_strings): Remove.
15797 * c-common.c (warn_write_strings): Likewise.
15798 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15801 2006-02-12 Roger Sayle <roger@eyesopen.com>
15803 PR middle-end/25724
15804 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15805 (do_jump_parts_zero_rtx): New function renamed from
15806 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15807 (do_jump_parts_equality_rtx): New function split out from
15808 do_jump_parts_equality. Old implementation renamed as above.
15809 Call do_jump_parts_zero_rtx if either operand is zero.
15810 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15811 do all of the heavy lifting.
15812 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15813 calling either do_jump_by_parts_greater_rtx or
15814 do_jump_by_parts_equality_rtx.
15815 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15816 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15817 moved to do_compare_rtx_and_jump, call it directly.
15818 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15819 mode argument. Call do_compare_rtx_and_jump.
15820 (emit_case_nodes): Update calls to do_jump_if_equal.
15822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15824 PR rtl-optimization/26225
15825 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15827 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15829 PR rtl-optimization/26232
15830 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15832 2006-02-11 Jason Merrill <jason@redhat.com>
15835 * tree-inline.c (declare_return_variable): Just don't use the
15836 modify target if it's a gimple complex reg and the return slot
15839 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15841 * doc/contrib.texi: Update my entry.
15843 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15845 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15847 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15849 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15852 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15854 * doc/invoke.texi (-floop-optimize2): Removed.
15855 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15856 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15857 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15858 * common.opt (floop-optimize2): Removed.
15859 (fmove-loop-invariants): Enabled by default.
15861 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15863 * tree-if-conv.c (combine_blocks): Free the result of
15864 get_loop_exit_edges.
15866 2006-02-10 Jeff Law <law@redhat.com>
15868 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15870 PR tree-optimization/26213
15871 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15872 loop trying to follow SSA_NAME_VALUE chains.
15874 2006-02-10 Richard Guenther <rguenther@suse.de>
15876 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15877 deal with structures that end in implicitly variable sized arrays.
15879 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15881 PR rtl-optimization/24762
15882 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15885 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15887 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15888 (struct ivopts_data): Add regs_used field.
15889 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15890 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15891 instead of loop_data->regs_used;
15892 (free_loop_data): Do not free aux fields for loops.
15893 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15894 and tree_ssa_iv_optimize_finalize.
15896 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15898 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15900 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15903 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15904 computing the effective result type.
15906 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15908 PR inline-asm/16194
15909 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15910 (tree_overlaps_hard_reg_set): Declare.
15911 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15912 type and signature to match function type expected by walk_tree.
15913 (tree_overlaps_hard_reg_set): New function.
15914 (decl_conflicts_with_clobbers_p): Rename to:
15915 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15916 Use tree_overlaps_hard_reg_set. Changed caller.
15917 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15918 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15919 * cris.c (cris_md_asm_clobbers): Likewise.
15921 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15923 * reload1.c (emit_input_reload_insns): Delete code that tries to
15924 inherit using find_equiv_reg.
15926 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15928 * c-common.h (flag_const_strings): Don't declare.
15929 * c-common.c (flag_const_strings): Remove.
15930 * c.opt (fconst_strings): Remove.
15931 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15932 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15933 (c_common_init_options): Don't set flag_const_strings.
15934 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15936 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15938 * arm.md (tlobits_cbranch): New pattern.
15939 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15940 testing a single bit.
15942 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15945 * tree-ssa-pre.c (create_component_ref_by_pieces):
15946 Handle RETURN_DECL like VAR_DECL.
15948 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15950 PR middle-end/26134
15951 * fold-const.c (fold_indirect_ref_1): Fold
15952 "*(foo *)&complexfoo" to "__real__ complexfoo"
15953 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15955 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15957 * tree-flow-inline.h (var_can_have_subvars):
15958 Volatile variables should not have subvariables.
15960 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15963 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15964 multiplying unsigned values.
15967 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15969 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15971 2006-02-08 Jason Merrill <jason@redhat.com>
15974 * tree.def: Elaborate on difference from MODIFY_EXPR.
15975 * doc/c-tree.texi (INIT_EXPR): Likewise.
15976 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15977 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15978 (gimplify_target_expr): Likewise.
15979 (gimplify_cond_expr): Remove target handling.
15980 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15981 (gimplify_expr): Clobber it here.
15982 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15983 Do return slot optimization if we have an INIT_EXPR.
15986 * tree-inline.c (declare_return_variable): Also clear
15987 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15990 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15992 PR middle-end/22439
15993 * gimplify.c (gimplify_one_sizepos): Fix typo.
15995 2006-02-08 Jeff Law <law@redhat.com>
15997 PR tree-optimization/21417
15998 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15999 across a backedge if the control statement at the end of the
16000 block is data dependent on other statements in the same block.
16001 (record_temporary_equivalences_from_stmts): Remove over-conservative
16002 test for threading across backedges.
16004 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16005 control statement, handle all three special cases in the same
16006 manner as they all have the same desired solution. No longer
16007 special case edge flag updating when the post dominator is
16010 2006-02-08 Roger Sayle <roger@eyesopen.com>
16012 * tree.def (CHAR_TYPE): Remove.
16013 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16014 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16015 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16016 (gen_string_type_die): Delete unreachable function.
16018 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16019 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16020 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16021 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16022 * builtins.c (type_to_class): Likewise.
16023 * fold-const.c (fold_convert, build_range_check,
16024 merge_ranges): Likewise.
16025 * expr.c (count_type_elements): Likewise.
16026 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16027 * stor-layout.c (layout_type): Likewise.
16028 * ipa-type-escape.c (type_to_consider): Likewise.
16029 * gimplify.c (omp_firstprivatize_type_sizes,
16030 gimplify_type_sizes): Likewise.
16031 * explow.c (promote_mode): Likewise.
16032 * tree-sra.c (is_sra_scalar_type): Likewise.
16033 * varasm.c (output_constant): Likewise.
16034 * tree-inline.c (remap_type_1): Likewise.
16035 * convert.c (convert_to_pointer, convert_to_real,
16036 convert_to_integer, convert_to_complex): Likewise.
16038 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16040 * df-scan.c (df_def_record_1): A set destination may
16041 be a parallel regardless of mode.
16043 2006-02-08 Roger Sayle <roger@eyesopen.com>
16046 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16047 * config/mips/_tilib.c: Remove.
16048 * config/fixtfdi.c: New libgcc source file.
16049 * config/fixunstfdi.c: New source file.
16050 * config/floatditf.c: New source file.
16051 * config/floatunditf.c: New souce file.
16052 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16053 files above instead of config/mips/_tilib.c.
16054 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16056 2006-02-08 Jeff Law <law@redhat.com>
16058 PR tree-optimization/26169
16059 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16062 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16064 * df.h (DF_REG_SIZE): Return the length of the initialized
16067 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16069 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16070 __muldf3): Return a correctly signed zero.
16072 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16074 * passes.c (register_one_dump_file): Accept the current properties
16075 instead of pass number. Adjust call to dump_register. Remove
16077 (register_dump_files): Now a wrapper around...
16078 (register_dump_files_1): ... this one. Do not modify the pass
16080 (next_pass_1): Cosmetic fix.
16081 (execute_todo): Keep second parameter only. Use curr_properties
16082 instead of fetching it from the pass structure. Check and set
16084 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16085 instead of fetching it from the pass structure. Fix calls to
16086 execute_todo. Update curr_properties and initialize .vcg RTL dump
16087 after running the pass. Reset last_verified.
16088 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16090 (FIRST_AUTO_NUMBERED_DUMP): New.
16091 (dump_register): Remove "num" parameter, assign it within the
16093 (get_dump_file_name): Modify template for dumps.
16094 * tree-dump.h (dump_register): Adjust prototype.
16095 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16096 (PROP_trees): Add PROP_gimple_lomp.
16097 (TODO_set_props): New.
16098 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16099 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16100 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16102 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16104 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16105 (sparc64-*-linux*): Likewise.
16106 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16107 * config/sparc/t-linux: New file.
16108 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16109 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16110 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16111 -m32 -mlong-double-128.
16113 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16114 * config/alpha/t-linux: New file.
16115 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16117 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16118 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16119 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16120 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16121 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16122 (CPP_ARCH32_SPEC): Remove.
16124 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16126 PR tree-optimization/26145
16127 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16130 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16133 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16134 >= 240000 when generating code for SOM runtime.
16135 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16136 to $$dyncall when generating code for SOM runtime..
16138 2006-02-07 Dirk Mueller <dmueller@suse.com>
16141 * doc/invoke.texi (-Wsequence-point): Update documentation
16142 that -Wsequence-point is implemented for C++ as well.
16144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16146 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16147 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16148 (LIB_SPEC): Likewise.
16149 * doc/invoke.texi (SPARC options): Document -pthread.
16151 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16153 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16156 2006-02-07 Roger Sayle <roger@eyesopen.com>
16158 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16159 Correct comment describing BOOLEAN_TYPE.
16161 2006-02-07 Dirk Mueller <dmueller@suse.com>
16163 * c.opt: C++ frontend supports -Wdiv-by-zero.
16164 * c-opts.c (c_common_handle_option): Remove dead case.
16166 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16168 * configure.ac (TLS assembler check): Do not enable TLS by
16169 default on SPARC/Solaris before version 10.
16170 * configure: Regenerate.
16172 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16174 * doc/invoke.texi (xl-compat): Document conversion and support
16177 2006-02-07 Jeff Law <law@redhat.com>
16179 * tree-vrp.c (find_conditional_asserts): Update comments.
16180 (simplify_stmt_for_jump_threading): New.
16181 (identify_jump_threads, finalize_jump_threads): New.
16182 (vrp_finalize): Call identify_jump_threads.
16183 (execute_vrp): Call finalize_jump_threads.
16184 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16185 (vrp_element, vrp_data, vrp_element_p): Remove.
16186 (vrp_hash_elt, vrp_variables_stack): Remove.
16187 (vrp_hash, vrp_eq, record_range): Remove.
16188 (simplify_cond_and_lookup_avail_expr): Remove.
16189 (extract_range_from_cond): Remove.
16190 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16191 (simplify_stmt_for_jump_threading): New.
16192 (dom_thread_across_edge): New wrapper.
16193 (tree_ssa_dominator_optimize): No longer initialize or
16194 finalize any of the VRP datastructures. Remove iteration
16195 step and simplify as a result of removal of iteration step.
16196 (pass_dominator): Perform a cfg cleanup after DOM.
16197 (dom_opt_finalize_block): Use the new common routines
16198 for threading jumps. Simplify stack management slightly.
16199 No longer need to unwind VRP state.
16200 (record_equivalences_from_incoming_edge): No longer record
16202 (eliminate_redundant_computations): No longer call
16203 simplify_cond_and_lookup_avail_expr.
16204 * tree-flow.h (potentially_threadable_block): Prototype.
16205 (thread_across_edge): Likewise.
16206 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16207 (tree-ssa-threadedge.o): Add dependencies.
16208 * tree-ssa-threadedge.c: New file.
16209 * passes.c (init_optimization_passes): Merge PHIs before
16210 calling VRP. Run VRP again late in the SSA optimization pipeline.
16212 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16214 * df-core.c (df_set_blocks): Do not dereference function pointers.
16215 (df_finish1): Likewise.
16216 (df_hybrid_search_forward): Likewise.
16217 (df_hybrid_search_backward): Likewise.
16218 (df_iterative_dataflow): Likewise.
16219 (df_analyze_problem): Likewise.
16220 (df_compact_blocks): Likewise.
16221 (df_dump): Likewise.
16222 * df-scan.c (df_rescan_blocks): Likewise.
16223 (df_record_entry_block_defs): Likewise.
16225 * genconditions.c (write_conditions): Guard the definition of
16226 'insn_conditions' with the check on GCC version.
16227 (write_writer): Guard the traversal 'insn_conditions' with
16228 the check on GCC version.
16230 2006-02-07 Richard Guenther <rguenther@suse.de>
16234 2006-01-30 Richard Guenther <rguenther@suse.de>
16236 * gimplify.c (gimplify_target_expr): Handle easy cases
16237 without creating a temporary.
16239 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16241 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16242 use of float in probability computations. Use edge probabilities
16243 in place of statically computed probabilities.
16244 (min_spec_prob): New static variable.
16245 (schedule_insns): Initialize it.
16246 (GET_SRC_PROB): Removed.
16247 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16249 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16252 * config/ia64/unwind-ia64.c: Revert last change.
16253 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16254 (INCOMING_FRAME_SP_OFFSET): Define.
16256 2006-02-06 Roger Sayle <roger@eyesopen.com>
16258 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16260 2006-02-07 Ben Elliston <bje@au.ibm.com>
16262 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16263 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16264 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16265 (ix86_return_in_memory): Handle TDmode.
16266 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16267 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16269 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16271 * reorg.c (dbr_schedule): Use dump_file instead of file.
16273 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16276 * config/ia64/predicates.md (extr_len_operand): New predicate.
16277 * config/ia64/ia64.md (extv): Tighten constraints.
16279 (*tbit_and_2): Ditto.
16280 (*tbit_and_3): Ditto.
16281 (*tbit_or_2): Ditto.
16282 (*tbit_or_3): Ditto.
16283 (*bit_zero): Ditto.
16286 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16289 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16291 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16293 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16294 loop_optimizer_init and loop_optimizer_finalize
16295 * tree-ssa-sink.c (execute_sink_code): Ditto.
16296 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16297 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16298 tree_ssa_loop_done): Ditto.
16299 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16300 * sched-ebb.c: Include output.h.
16301 (schedule_ebbs): Do not use dump argument.
16302 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16303 * loop.c (loop_dump_stream): Removed.
16304 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16306 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16307 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16308 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16309 loop_iterations, strength_reduce, record_biv, record_giv,
16310 final_giv_value, check_final_value, check_ext_dependent_givs,
16311 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16312 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16313 dump_file instead of loop_dump_stream.
16314 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16315 argument dump_file.
16316 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16318 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16319 * haifa-sched.c: Include output.h
16320 (schedule_insns, sched_init): Do not use dump argument.
16321 * mode-switching.c (optimize_mode_switching): Ditto.
16322 * modulo-sched.c (stats_file): Removed.
16323 (print_node_sched_params): Do not call argument dump_file.
16324 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16325 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16327 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16329 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16330 rtl_loop_init, rtl_loop_done): Ditto.
16331 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16332 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16334 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16335 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16336 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16337 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16338 * emit-rtl.c (renumber_insns): Ditto.
16339 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16340 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16341 * regclass.c (regclass): Ditto.
16342 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16343 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16344 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16345 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16347 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16348 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16350 * gcse.c (gcse_file, debug_stderr): Removed.
16351 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16352 rest_of_handle_gcse): Do not use dump argument.
16353 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16354 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16355 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16356 compute_code_hoist_vbeinout, compute_code_hoist_data,
16357 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16358 compute_store_table, build_store_vectors, insert_insn_start_bb,
16359 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16360 store_motion): Use dump_file instead of gcse_file.
16361 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16362 * profile.c (profile_dump_file): Removed.
16363 (branch_prob): Use dump_file instead of profile_dump_file.
16364 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16366 * tree-ssa-copy.c (dump_copy_of): Ditto.
16367 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16368 dump file to life_analysis.
16369 * bt-load.c (branch_target_load_optimize): Ditto.
16370 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16372 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16373 regclass, dbr_schedule): Declaration changed.
16374 * sched-int.h (sched_init): Declaration changed.
16375 * tree-profile.c (tree_profile_dump_file): Removed.
16376 (tree_profile_hooks): Removed profile_dump_file hook.
16377 * rtl-profile (rtl_profile_dump_file): Removed.
16378 (rtl_profile_hooks): emoved profile_dump_file hook.
16379 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16381 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16382 * tree-cfg.c (build_tree_cfg): Ditto.
16383 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16384 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16385 Declaration changed.
16386 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16387 life_analysis and schedule_insns.
16388 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16390 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16392 * config/mips/mips.c (mips_reorg): Ditto.
16393 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16396 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16398 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16399 (s390_mangle_fundamental_type): New.
16400 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16403 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16404 (alpha_mangle_fundamental_type): New.
16405 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16408 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16410 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16412 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16413 (sparc_mangle_fundamental_type): New.
16415 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16417 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16418 (s390x-*-linux*): Likewise.
16419 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16420 * config/s390/t-linux: New file.
16422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16424 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16425 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16427 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16429 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16430 (ANTIC_SAFE_LOADS): New macro.
16431 (find_or_generate_expression): Add prototype.
16432 (set_contains_value): Allow null set for sake of not always having
16433 to allocate ANTIC_SAFE_LOADS.
16434 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16435 Allow COMPONENT_REF too.
16436 (valid_in_set): Allow COMPONENT_REF.
16437 Check ANTIC_SAFE_LOADS too.
16438 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16439 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16441 (can_PRE_operation): Add COMPONENT_REF.
16442 (create_component_ref_by_pieces): New function.
16443 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16444 (insert_aux): Move AGGREGATE_TYPE_P check here.
16445 (compute_avail): Set bb local stmt uids.
16446 (pass_pre): Use TODO_update_ssa_only_virtuals.
16448 2006-02-06 Ben Elliston <bje@au.ibm.com>
16450 * configure.ac: Unconditionally disable decimal float by default.
16451 * configure: Regenerate.
16453 2006-02-06 Ben Elliston <bje@au.ibm.com>
16455 * read-rtl.c (read_name): Terminate reading on EOF.
16457 2006-02-06 Ben Elliston <bje@au.ibm.com>
16459 * dfp.c (decimal_real_arithmetic): Change second argument type
16460 from int to enum tree_code. Do not always return true, but now
16461 return result of any call to decimal_do helper functions.
16462 * dfp.h (decimal_real_arithmetic): Update prototype.
16464 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16466 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16468 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16471 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16474 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16476 * tree-vrp.c (cfg_loops): Removed.
16477 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16478 Use current_loops instead of cfg_loops. Pass flags to
16479 loop_optimizer_init.
16480 * cfgloopmanip.c (fix_loop_structure): Update only available
16482 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16483 loop_optimizer_init.
16484 * modulo-sched.c (build_loops_structure): Removed.
16485 (sms_schedule): Use loop_optimizer_init.
16486 * loop-init.c (loop_optimizer_init): Use flags to determine
16487 which properties of loops to prepare.
16488 (rtl_loop_init): Pass flags to loop_optimizer_init.
16489 * tree-ssa-sink.c (execute_sink_code): Ditto.
16490 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16491 * tree-ssa-pre.c (init_pre): Ditto.
16492 * cfgloop.h (LOOPS_NORMAL): New.
16493 (loop_optimizer_init): Declaration changed.
16495 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16497 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16498 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16500 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16502 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16504 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16505 * pa/t-pa64: Delete quadlib.c rule.
16506 * pa/x-ada: Revert last change.
16507 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16509 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16511 PR rtl-optimization/26087
16512 * rtlanal.c (canonicalize_condition): Do not cross basic block
16515 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16518 * config/ia64/ia64.c: Include debug.h.
16519 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16520 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16521 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16522 (process_epilogue, process_set, process_for_unwind_directive):
16523 Output unwind info only if requested. Add CFA info if requested.
16524 Add new arguments as needed. Adjust callers.
16525 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16527 (DWARF2_FRAME_INFO): Define to zero.
16528 * config/ia64/unwind-ia64.c: Remove code that compensated for
16529 the CFA offset error fixed above.
16530 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16531 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16532 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16533 -funwind-tables and -fexceptions to enable frame info.
16534 (dwarf2out_frame_init): Define initial CFA even if
16535 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16536 DWARF2_UNWIND_INFO is nonzero, not just defined.
16537 (dwarf2out_frame_finish): Output non-EH call frame info only
16538 if DWARF2_FRAME_INFO is nonzero.
16539 (convert_cfa_to_loc_list,
16540 compute_frame_pointer_to_cfa_displacement): Define even if
16541 unwind info is not supported.
16542 (gen_subprogram_die): Use the above unconditionally. Remove
16543 legacy alternate code.
16544 * toplev.c (compile_file): Compile in call to
16545 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16546 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16548 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16549 Jakub Jelinek <jakub@redhat.com>
16551 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16552 IBM extended float format long double as "g" on powerpc*-linux.
16554 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16557 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16558 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16560 2006-02-03 Jason Merrill <jason@redhat.com>
16563 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16565 PR middle-end/25977
16566 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16567 on the return slot if it's an NRV.
16569 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16571 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16572 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16573 rewrite_use): Do not handle USE_OUTER.
16574 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16575 add_iv_outer_candidates, may_replace_final_value,
16576 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16577 (find_interesting_uses_op): Functionality of
16578 find_interesting_uses_outer_or_nonlin moved here.
16579 (find_interesting_uses_outside): Use find_interesting_uses_op.
16581 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16584 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16586 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16587 Ulrich Weigand <uweigand@de.ibm.com>
16590 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16591 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16592 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16593 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16595 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16596 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16597 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16598 Define secondary reloads for TFmode moves.
16599 (constant_modes): Add TFmode.
16600 (NR_C_MODES): Set to 8.
16601 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16603 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16604 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16605 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16606 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16607 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16608 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16609 (FPR mode macro): Add TFmode.
16610 (DSF mode macro): New.
16611 (<de>, <dee> mode attributes): Removed.
16612 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16613 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16614 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16615 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16616 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16617 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16618 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16619 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16620 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16621 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16622 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16623 "*negabs<mode>2", "sqrt<mode>2"):
16624 Changed <de> to <xde>. R constraint replaced by <Rf>.
16625 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16627 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16628 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16629 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16631 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16632 "extenddftf2", "extendsftf2"): New expanders.
16633 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16634 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16635 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16636 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16638 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16639 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16640 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16641 __floatditf): Add a GCC_4.1.0 symbol version tag.
16642 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16645 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16648 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16649 Use targetm.binds_local_p instead of TREE_PUBLIC.
16651 2006-02-02 Roger Sayle <roger@eyesopen.com>
16653 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16654 on INTEGER_TYPEs to indicate that it denotes a character type.
16655 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16656 signed_char_type_node, unsigned_char_type_node and char_type_node.
16657 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16658 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16659 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16661 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16662 Daniel Berlin <dberlin@dberlin.org>
16664 * tree-tailcall.c (arg_needs_copy_p): New function.
16665 (eliminate_tail_call): Use arg_needs_copy_p.
16666 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16667 (add_virtual_phis): New function.
16669 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16671 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16672 #ignore instead of #scratch for %g7 .register directive.
16674 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16676 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16679 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16681 * flow.c (calculate_global_regs_live): Assert that there aren't any
16684 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16686 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16687 what its name says.
16688 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16689 bsi_after_labels iterator.
16690 * tree-if-conv.c (find_phi_replacement_condition,
16691 replace_phi_with_cond_modify_expr): Likewise.
16692 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16693 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16695 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16697 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16699 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16702 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16703 array after growing it.
16705 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16707 PR middle-end/24901
16708 * fold-const.c (fold_checksum_tree): Change type of buf.
16710 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16712 * reload.c (push_secondary_reload): Initialize t_icode.
16714 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16716 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16717 -msoft-float -mlong-double-128 only issue a warning, but don't
16718 swich to DFmode long double.
16720 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16722 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16723 has a constant equivalent, iterate over equivalents for arg0,
16724 calling simplify_relational_operation and if there's a result
16725 cheaper than X, apply fold_rtx and return the result.
16727 2006-02-01 Jan Hubicka <jh@suse.cz>
16729 * opts.c (no_unit_at_a_time_default): New global variable.
16730 (decode_options): Use it.
16731 * opts.h (no_unit_at_a_time_default): Declare.
16733 2006-02-01 Paul Brook <paul@codesourcery.com>
16735 * function.c (assign_parm_setup_reg): Use function argument promotion
16737 * expr.c (expand_expr_real_1): Use function argument promotion rules
16740 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16742 * gcc.c (process_command): Change j to 'unsigned int'.
16744 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16746 PR middle-end/26001
16747 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16748 Use the corrected index for the character
16749 out of the string constant.
16751 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16753 * mode-switching.c (optimize_mode_switching): Fix size
16754 allocated for bb_info[n_entities].
16756 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16758 * gcc.c (main): Correct type that is allocated for
16759 explicit_link_files.
16761 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16763 * config/s390/s390.c (init_alignment_context): Set
16764 ALIAS_SET_MEMORY_BARRIER on the MEM.
16765 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16767 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16769 PR middle-end/25933
16770 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16772 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16775 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16777 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16778 * regrename.c: Ditto.
16779 * tree-ssa-loop-im.c: Ditto.
16780 * tree-dump.c: Ditto.
16781 * tree-complex.c: Ditto.
16782 * genrecog.c: Ditto.
16783 * tree-ssa-threadupdate.c: Ditto.
16785 * java/class.c: Ditto.
16786 * java/jcf-parse.c: Ditto.
16787 * java/resource.c: Ditto.
16788 * java/except.c: Ditto.
16789 * java/jvspec.c: Ditto.
16790 * java/jcf-write.c: Ditto.
16791 * java/jcf-path.c: Ditto.
16792 * java/gjavah.c: Ditto.
16793 * java/zextract.c: Ditto.
16794 * java/jcf-io.c: Ditto.
16795 * java/jcf.h: Ditto.
16796 * java/buffer.c: Ditto.
16797 * java/lang.c: Ditto.
16798 * java/parse-scan.y: Ditto.
16799 * java/lex.c: Ditto.
16800 * java/lex.h: Ditto.
16801 * cfgloopmanip.c: Ditto.
16802 * postreload-gcse.c: Ditto.
16803 * tree-ssa-loop-manip.c: Ditto.
16804 * postreload.c: Ditto.
16805 * tree-ssa-loop-ch.c: Ditto.
16808 * cppspec.c: Ditto.
16809 * diagnostic.c: Ditto.
16811 * genoutput.c: Ditto.
16813 * cfghooks.c: Ditto.
16814 * cfgloopanal.c: Ditto.
16815 * objc/objc-act.c: Ditto.
16817 * genextract.c: Ditto.
16818 * genautomata.c: Ditto.
16819 * pretty-print.c: Ditto.
16820 * genemit.c: Ditto.
16821 * cgraphunit.c: Ditto.
16823 * df-scan.c: Ditto.
16824 * haifa-sched.c: Ditto.
16825 * dominance.c: Ditto.
16827 * tree-ssa-loop-ivopts.c: Ditto.
16828 * df-core.c: Ditto.
16829 * mode-switching.c: Ditto.
16830 * modulo-sched.c: Ditto.
16832 * ipa-pure-const.c: Ditto.
16834 * fix-header.c: Ditto.
16836 * tree-stdarg.c: Ditto.
16837 * ipa-utils.c: Ditto.
16838 * loop-init.c: Ditto.
16839 * ipa-inline.c: Ditto.
16840 * cfganal.c: Ditto.
16842 * alloc-pool.c: Ditto.
16843 * dwarf2out.c: Ditto.
16845 * genattrtab.c: Ditto.
16846 * tree-ssa-loop-ivcanon.c: Ditto.
16847 * predict.c: Ditto.
16848 * timevar.c: Ditto.
16850 * fortran/gfortranspec.c: Ditto.
16851 * regmove.c: Ditto.
16852 * local-alloc.c: Ditto.
16853 * langhooks.c: Ditto.
16854 * function.c: Ditto.
16855 * tree-vectorizer.c: Ditto.
16857 * ipa-type-escape.c: Ditto.
16859 * tree-if-conv.c: Ditto.
16860 * profile.c: Ditto.
16862 * tree-data-ref.c: Ditto.
16863 * loop-unroll.c: Ditto.
16864 * treelang/treetree.c: Ditto.
16866 * bt-load.c: Ditto.
16867 * ggc-common.c: Ditto.
16869 * coverage.c: Ditto.
16871 * tree-cfgcleanup.c: Ditto.
16872 * tree-ssa-pre.c: Ditto.
16873 * cfgcleanup.c: Ditto.
16874 * loop-invariant.c: Ditto.
16875 * loop-iv.c: Ditto.
16876 * ipa-prop.c: Ditto.
16877 * print-tree.c: Ditto.
16878 * conflict.c: Ditto.
16879 * ggc-page.c: Ditto.
16880 * sched-deps.c: Ditto.
16881 * regclass.c: Ditto.
16882 * tree-object-size.c: Ditto.
16883 * combine.c: Ditto.
16884 * bb-reorder.c: Ditto.
16885 * resource.c: Ditto.
16886 * var-tracking.c: Ditto.
16887 * cfgloop.c: Ditto.
16888 * df-problems.c: Ditto.
16889 * reg-stack.c: Ditto.
16891 * gccspec.c: Ditto.
16892 * sched-rgn.c: Ditto.
16893 * tree-ssa-structalias.c: Ditto.
16894 * tree-ssa-reassoc.c: Ditto.
16895 * config/darwin-c.c: Ditto.
16896 * config/darwin.c: Ditto.
16897 * config/arm/arm.c: Ditto.
16899 * collect2.c: Ditto.
16900 * reload1.c: Ditto.
16902 2006-01-31 Nicolas Pitre <nico@cam.org>
16904 * arm.md (smaxsi3): Make aware of smax_m1.
16907 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16909 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16911 2006-01-31 Richard Guenther <rguenther@suse.de>
16913 * doc/invoke.texi (-msselibm): Document.
16914 * target.h (expand_library_builtin): New target hook.
16915 * builtins.c (expand_builtin): Use expand_library_builtin.
16916 (default_expand_library_builtin): New function.
16917 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16918 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16919 (link_gcc_math_spec): Declare.
16920 (static_specs): Add link_gcc_math_spec.
16921 * expr.h (default_expand_library_builtin): Declare.
16922 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16923 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16924 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16925 * config/i386/i386.opt (msselibm): New target option.
16926 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16927 (ix86_init_sse_abi_builtins): New function.
16928 (ix86_expand_library_builtin): Likewise.
16929 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16930 (override_options): Handle error conditions wrt -msselibm.
16931 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16932 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16933 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16936 2006-01-31 Richard Guenther <rguenther@suse.de>
16937 Paolo Bonzini <bonzini@gnu.org>
16939 * doc/install.texi (--disable-libgcc-math): Document.
16941 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16943 * expr.h (expand_normal): new inline function.
16944 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16945 * dojump.c: use it.
16946 * dwarf2out.c: use it.
16949 * expmed.c: use it.
16950 * except.c: use it.
16951 * config/sparc/sparc.c: use it.
16952 * config/i386/i386.c: use it.
16953 * config/rs6000/rs6000.c: use it.
16954 * config/arm/arm.c: use it.
16955 * config/mips/mips.c: use it.
16956 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16958 2006-01-30 Roger Sayle <roger@eyesopen.com>
16960 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16961 argv to the appropriate type.
16963 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16965 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16968 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16971 * config/s390/s390.c (struct machine_function): New flag
16972 decomposed_literal_pool_addresses_ok_p.
16973 (s390_reorg): Set it before final stage of literal pool transforms.
16974 (s390_decompose_address): Only accept displacements of the form
16975 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16977 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16979 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16980 the comparison routine return.
16982 2006-01-30 Michael Matz <matz@suse.de>
16984 * global.c (find_reg): Only evict for global regs.
16985 Take n_refs into account and dump more info.
16987 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16990 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16991 (pragma_trap, pragma_nosave_low_regs): Likewise.
16992 (current_function_anonymous_args): Likewise.
16993 (sh_deferred_function_attributes): New variable.
16994 (sh_deferred_function_attributes_tail): Likewise.
16995 (print_operand): For '@', look up trap_exit attribute.
16996 (calc_live_regs): Look up trapa_handler attribute. For trapa
16997 handlers, save/restore fpscr, but don't do any other
16998 interrupt-specific saves.
16999 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17000 Fix check for partially saved registers to check for SHmedia.
17001 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17002 (sh_output_function_epilogue): Don't clear any of the removed
17004 (sh_insert_attributes): Don't check pragma_interrupt.
17005 Insert deferred attributes. Check that interrupt attribute is
17006 present for other attributes that require its presence.
17007 (sh_attribute_table): Add new attributes trapa_handler and
17009 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17010 Don't check for pragma_interrupt. Don't store argument.
17011 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17012 (sh_deferred_function_attributes): Declare.
17013 (sh_deferred_function_attributes_tail): Likewise.
17014 * sh.md (sp_switch_1): Add operand. Change generator caller.
17015 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17016 (*return_i): Don't use when trap_exit attribute is in effect.
17017 (*return_trapa): New insn pattern.
17018 * sh-c.c: New file.
17019 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17020 setting c_target_objs and cxx_target_objs.
17021 * t-sh: Add rule for sh-c.o.
17023 2006-01-30 Richard Guenther <rguenther@suse.de>
17026 * gimplify.c (gimplify_target_expr): Handle easy cases
17027 without creating a temporary.
17029 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17031 * vec.h (safe_grow): Remove duplicated line.
17033 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17036 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17037 (expand_omp): ... here.
17038 (expand_omp_parallel): Only remove barriers for combined
17039 parallel+workshare constructs.
17041 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17045 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17046 * tree.c (build_qualified_type): Chain the new type to the original
17047 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17048 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17049 (build_pointer_type_for_mode): Only return unqualified types.
17050 (build_reference_type_for_mode): Likewise.
17052 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17054 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17055 * Makefile.in (CXX_COMPAT_WARN): Define.
17056 * configure: Regenerate.
17058 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17061 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17064 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17066 * toplev.c: Fix thinko.
17068 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17069 Marcin Dalecki <martin@dalecki.de>
17071 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17072 (push_srcloc): Use XNEW.
17073 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17075 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17077 * df-core.c (df_set_blocks): Deleted all variable.
17079 2006-01-28 Ian Lance Taylor <ian@airs.com>
17081 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17082 cgraph_output_pending_asms.
17084 2006-01-28 Zack Weinberg <zackw@panix.com>
17086 * c.opt: Add -W(no-)overlength-strings.
17087 * doc/invoke.texi: Document it.
17088 * c-opts.c (c_common_handle_option): -pedantic implies
17089 -Woverlength-strings, if not explicitly disabled already.
17090 (c_common_post_options): -Woverlength-strings defaults to off, and
17091 is always off for C++.
17092 * c-common.c (fix_string_type): Issue warning about strings longer
17093 than is portable only if warn_overlength_strings. Rearrange code
17094 a little for clarity.
17095 * configure.in: Check for -Wno-overlength-strings as well before
17096 enabling -pedantic in stage 1.
17097 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17098 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17100 * genconditions.c (write_header, write_one_condition)
17101 (write_conditions, write_writer): Consolidate very long strings
17102 that were broken up to fit in C89 portable limit. Don't use
17103 printf when fputs will do.
17105 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17107 * combine.c (simplify_comparison <AND>): Check
17108 TRULY_NOOP_TRUNCATION before start using a subreg.
17110 * config/mips/mips.md (*branch_zero<mode>,
17111 *branch_zero<mode>_inverted, *branch_equality<mode>,
17112 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17113 Remove mode check from comparisons.
17115 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17117 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17119 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17121 * expmed.c (const_mult_add_overflow_p): Remove.
17122 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17124 * recog.c (validate_replace_rtx_subexp): Remove.
17125 * recog.h: Remove the prototype for
17126 validate_replace_rtx_subexp.
17128 * integrate.h: Remove the prototype for
17129 copy_decl_for_inlining.
17130 * rtl.h: Remove the prototype for mark_constant_function.
17131 * tree-vectorizer.h: Remove the prototype for
17132 vect_strip_conversion.
17134 * modulo-sched.c (create_partial_schedule,
17135 free_partial_schedule, reset_partial_schedule): Make them
17138 * hooks.c (hook_bool_rtx_int_false): Remove.
17139 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17141 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17143 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17144 and -mlong-double-128 are incompatible.
17145 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17146 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17147 (TARGET_LIBGCC2_CFLAGS): Define.
17148 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17149 (TARGET_LIBGCC2_CFLAGS): Same.
17150 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17152 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17155 * c-typeck.c (build_binary_op): Perform implicit casts of
17156 operands before shortening them.
17158 * cfgloopmanip.c (split_loop_bb): Remove.
17159 * cfgloop.h: Remove the prototype for split_loop_bb.
17161 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17162 * cfgloop.h: Remove the prototype for
17163 flow_loop_outside_edge_p.
17165 * emit-rtl.c (init_virtual_regs): Make it static.
17166 * function.h: Remove the prototype for init_virtual_regs.
17168 * recog.c (peephole2_optimize): Make it static.
17169 * recog.h: Remove the prototype for peephole2_optimize.
17171 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17173 * df-scan.c (df_record_entry_block_defs): Check if
17174 INCOMING_RETURN_ADDR_RTX is defined.
17176 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17177 Kenneth Zadeck <zadeck@naturalbridge.com>
17179 PR rtl-optimization/24762
17180 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17181 * targhooks.c (hook_void_bitmap): New hook prototype.
17182 * targhoohs.h (hook_void_bitmap): Ditto.
17183 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17184 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17185 * target.h (live_on_entry): New function pointer.
17186 * df-scan.c (df_all_hard_regs): Removed.
17187 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17188 (df_scan_free_internal): Added df->entry_block_defs.
17189 (df_scan_alloc): Ditto.
17190 (df_scan_dump): Ditto.
17191 (df_uses_record): Plumbed flag field properly thru calls.
17192 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17193 This part fixes PR24762.
17194 (df_bb_refs_record): Added code to make the frame and arg
17195 pointers live in EH blocks.
17196 (df_refs_record): Added call to df_record_entry_block_defs.
17197 (df_record_entry_block_defs): New function.
17198 * df-core.c: Added comments to describe new artifical defs.
17199 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17200 (entry_block_defs): New field in struct df.
17201 (df_all_hard_regs): Deleted.
17202 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17203 * df-problems.c (df_ru_bb_local_compute_process_def):
17204 Added code to handle artifical defs in the entry to a function.
17205 (df_ru_bb_local_compute): Ditto.
17206 (df_rd_bb_local_compute_process_def): Ditto.
17207 (df_rd_bb_local_compute): Ditto.
17208 (df_lr_bb_local_compute): Ditto.
17209 (df_ur_bb_local_compute): Ditto.
17210 (df_urec_bb_local_compute): Ditto.
17211 (df_chain_create_bb): Ditto.
17212 (df_ur_local_finalize): Removed entry.
17213 (df_urec_init): Ditto.
17214 (df_urec_local_finalize): Ditto.
17215 (df_ri_bb_compute): Added detection of last use of pseudos.
17216 * Makefile.in (df-scan.o): Updated dependencies.
17217 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17218 * config/mips/mips.c (mips_set_live_on_entry): Added.
17219 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17221 * dce.c (marked_insn_p): Added code to handle artifical defs.
17223 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17225 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17227 (_mm_cvtsi128_si64): Likewise.
17228 (_mm_cvtsd_si64): Likewise.
17229 (_mm_cvttsd_si64): Likewise.
17230 (_mm_cvtsi64_sd): Likewise.
17231 (_mm_cvtsi64_si128): Likewise.
17232 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17233 (_mm_cvtsi64_m64): Likewise.
17234 (_m_to_int64): Likewise.
17235 (_mm_cvtm64_si64): Likewise.
17236 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17237 (_mm_cvttss_si64): Likewise.
17238 (_mm_cvtsi64_ss): Likewise.
17239 (_mm_cvtss_f32): Likewise.
17241 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17243 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17244 for pragma redefine_extname.
17246 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17249 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17250 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17251 -mno-minimal-toc to previous content.
17252 (bispecs): Remove goal.
17253 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17254 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17255 compatibility aliases on powerpc-*-*gnu*.
17256 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17257 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17258 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17259 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17260 (ldblspecs): New goal.
17261 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17262 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17264 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17265 L_sf_to_tf or L_df_to_tf is defined.
17267 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17268 Alan Modra <amodra@bigpond.net.au>
17271 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17272 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17273 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17274 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17275 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17276 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17277 (rs6000_override_options): Initialize rs6000_ieeequad.
17278 Initialize TFmode format to ibm_extended_format if not
17280 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17282 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17283 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17284 (function_arg_advance): IBM long double passed in two FPRs, not
17286 (function_arg): IBM long double passed in FPRs.
17287 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17288 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17289 Only multireg GPR aligned.
17290 (rs6000_init_libfuncs): Enable IBM long double functions if not
17292 (rs6000_generate_compare): Use IBM long double compare if not
17294 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17295 (TARGET_IEEEQUAD): Define.
17296 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17297 not TARGET_IEEEQUAD.
17298 * config/rs6000/rs6000.md: Enable TFmode patterns if
17300 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17301 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17302 and -mlong-double-128 are incompatible.
17303 * doc/invoke.texi (-mabi): Collect options together. Add
17304 ibmlongdouble and ieeelongdouble.
17306 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17308 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17310 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17311 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17312 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17313 * rtl.h (rtunion_def): Remove rt_ptr.
17315 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17316 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17317 * config/i386/winnt.c (i386_pe_mark_dllexport)
17318 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17320 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17322 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17324 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17328 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17329 pthread_key_delete. From John David Anglin. gthrw-ify
17330 pthread_getunique_np only if it it's not a macro. Delete
17332 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17333 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17334 __gthread_objc_condition_signal, __gthread_key_delete): Add
17335 "__attribute__ ((__unused__))" to unused arguments.
17336 (__gthread_recursive_mutex_init_function): Add missing return.
17337 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17338 gthr-posix95.h: Use macro-based approach for name redirection
17339 on targets missing weakref.
17341 2006-01-26 Zack Weinberg <zackw@panix.com>
17343 * genconditions.c (write_header): In generated code, #ifdef out
17344 all includes and fake declarations, except includes of bconfig.h
17345 and system.h, unless GCC_VERSION >= 3001. Do not include
17346 gensupport.h in any case.
17347 (write_conditions): Generate a definition of struct c_test. Add
17348 a comment to the generated #endif.
17349 (write_one_condition): Escape backslashes in string too.
17350 (write_writer): Generated code must escape backslashes and quote
17351 marks (but not newlines) in the strings it writes.
17352 * Makefile.in (build/gencondmd.o): Update dependencies.
17354 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17357 * Makefile.in (insn-automata.o): Add header file dependencies.
17358 * genautomata.c: Add includes.
17360 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17363 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17365 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17367 * configure.ac: Expect target tools paths to be passed from the toplevel
17368 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17370 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17372 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17375 * c.opt (Wpointer-sign): Init to -1.
17376 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17377 OPT_pedantic, to 0 otherwise.
17378 * doc/invoke.texi: Update.
17380 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17382 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17383 constants provided by 80387 instructions in the destination mode.
17385 2006-01-26 Richard Guenther <rguenther@suse.de>
17386 Andrew Pinski <pinskia@physics.uc.edu>
17389 partial PR tree-opt/17064
17390 * tree-ssa-structalias.c (intra_create_variable_infos):
17391 Create heap variables for incoming parameters if
17392 flag_argument_noalias > 1.
17393 (find_what_p_points_to): Look through default defs of
17396 2006-01-26 Jeff Law <law@redhat.com>
17399 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17400 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17401 within the VR_RANGE, use the VR_RANGE as the result, not the
17403 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17404 bounds for the type.
17406 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17408 * tree-ssa-alias.c (maybe_create_global_var): Change
17409 subvar walking to an assertion that we don't have subvar'd variables.
17411 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17414 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17415 Use a new variable, inner. PARM_DECLs are always non-weak.
17417 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17419 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17420 --disable-checking.
17422 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17424 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17426 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17428 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17429 (smax_insn, smin_insn, smax_0, smin_0): New.
17431 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17434 * config/cris/cris.c (cris_order_for_addsi3): New function.
17435 * config/cris/cris-protos.h: Prototype it.
17436 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17437 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17438 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17439 (split for "op.S1 [rx=rx+i],ry (swapped)")
17440 (split for "op(s|u).S1 [rx=rx+i],ry")
17441 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17442 Apply cris_order_for_addsi3 when generating addsi3 insns.
17444 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17446 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17447 (TREE_BLOCK): Add call to EXPR_CHECK.
17449 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17452 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17453 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17454 (dump_omp_clauses): ... here.
17455 (dump_generic_node): Handle OMP_CLAUSE.
17456 * tree.c (omp_clause_num_ops): New.
17457 (omp_clause_code_name): New.
17458 (tree_code_size): Handle OMP_CLAUSE.
17459 (tree_size): Likewise.
17460 (make_node): Document handling of OMP_CLAUSE.
17461 (tree_node_structure): Handle OMP_CLAUSE.
17462 (omp_clause_check_failed): New.
17463 (omp_clause_range_check_failed): New.
17464 (omp_clause_operand_check_failed): New.
17465 (build_omp_clause): New.
17466 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17467 * tree.h (enum omp_clause_code): Declare.
17468 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17469 (OMP_CLAUSE_RANGE_CHECK): Define.
17470 (OMP_CLAUSE_ELT_CHECK): Define.
17471 (omp_clause_check_failed): Declare.
17472 (omp_clause_operand_check_failed): Declare.
17473 (omp_clause_range_check_failed): Declare.
17474 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17475 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17476 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17477 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17478 (OMP_CLAUSE_IF_EXPR): Likewise.
17479 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17480 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17481 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17482 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17483 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17484 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17485 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17486 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17487 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17488 (OMP_CLAUSE_CODE): Define.
17489 (OMP_CLAUSE_SET_CODE): Define.
17490 (OMP_CLAUSE_CODE): Define.
17491 (OMP_CLAUSE_OPERAND): Define.
17492 (struct tree_omp_clause): Declare.
17493 (union tree_node): Add field 'omp_clause'.
17494 * treestruct.def (TS_OMP_CLAUSE): Define.
17495 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17496 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17497 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17498 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17499 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17500 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17501 (OMP_CLAUSE): Define.
17502 * print-tree.c (print_node): Handle OMP_CLAUSE.
17503 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17504 * c-typeck.c: Likewise.
17505 * gimplify.c: Likewise.
17506 * c-omp.c: Likewise.
17507 * tree-nested.c: Likewise.
17508 * tree-inline.c: Likewise.
17509 * c-parser.c: Likewise.
17510 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17513 2006-01-25 Roger Sayle <roger@eyesopen.com>
17515 PR rtl-optimization/25703
17516 * combine.c (try_combine): Handle zero_extract and strict_low_part
17517 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17519 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17521 * global.c: Fix comment typos.
17523 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17526 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17527 Use output_addr_const instead of assemble_name.
17529 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17531 * Makefile.in (sched-vis.o): Update dependencies.
17532 * haifa-sched.c (sched_finish): Clear current_sched_info.
17533 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17534 (dump_flow_info): Call it.
17535 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17537 * basic-block.h (dump_bb_info): Declare.
17538 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17539 option, and apply options only for dump files whose TDF_RTL,
17540 TDF_TREE, or TDF_IPA bits match.
17541 * rtl.h: Declare new functions exported from sched-vis.c.
17542 * sched-vis.c: Enable also if scheduling is not used.
17543 (print_value): Print the mode of registers if not inside scheduling.
17544 (print_insn): Make it work outside the scheduler. Beautify the output
17546 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17548 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17550 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17551 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17552 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17553 depending on the value of CONSTANT_POOL_ADDRESS_P.
17554 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17556 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17557 rather than SYMBOL_REF_DECL.
17558 (rtx_constant_pool): Remove const_rtx_sym_htab.
17559 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17560 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17561 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17562 Remove handling of const_rtx_sym_htab.
17563 (find_pool_constant): Delete.
17564 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17565 rather than find_pool_constant.
17566 (get_pool_constant_for_function): Delete.
17567 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17568 find_pool_constant.
17569 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17570 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17571 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17572 (SYMBOL_REF_CONSTANT): New macro.
17573 (get_pool_constant_for_function): Delete.
17574 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17575 rather than SYMBOL_REF_DECL.
17576 (i386_pe_mark_dllimport): Likewise.
17577 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17578 rather than SYMBOL_REF_DECL.
17579 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17580 (machopic_indirect_call_target): Likewise.
17582 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17584 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17586 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17588 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17590 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17592 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17594 2006-01-24 David Daney <ddaney@avtrex.com>
17597 * configure.ac (enable_tls): New enable option.
17598 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17599 * configure: Regenerate.
17600 * doc/install.texi (--enable-tls): Document new option.
17601 (--disable-tls): Ditto.
17603 2006-01-24 Richard Henderson <rth@redehat.com>
17605 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17606 * alias.c (true_dependence): Respect it.
17607 (canon_true_dependence, write_dependence_p): Likewise.
17608 * builtins.c (get_builtin_sync_mem): Set it.
17610 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17612 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17615 2006-01-24 DJ Delorie <dj@redhat.com>
17617 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17618 for storing constants in single-bit bitfields.
17620 2006-01-25 Ben Elliston <bje@au.ibm.com>
17622 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17624 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17627 * tree-ssa-pre.c (phi_translate): Return NULL
17628 for AGGREGATE_TYPE's.
17630 2006-01-24 Zack Weinberg <zackw@panix.com>
17632 * genautomata.c (process_state_for_insn_equiv_partition):
17633 Use xcalloc for insn_arcs_array.
17634 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17635 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17637 2006-01-24 Richard Henderson <rth@redhat.com>
17639 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17640 update all callers.
17642 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17644 PR rtl-optimization/25890
17645 PR rtl-optimization/25905
17646 * combine.c (expand_compound_operation, expand_field_assignment):
17647 Fail if the bitfield's final position is out of bounds.
17649 2006-01-24 Ian Lance Taylor <ian@airs.com>
17651 PR middle-end/25930
17652 * cgraphunit.c (cgraph_output_in_order): Don't clear
17653 cgraph_asm_nodes until after asm strings have been output.
17655 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17657 * fix-header.c (read_scan_file): Add new parameter imultilib when
17658 calling register_include_chains.
17660 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17662 * omp-low.c: Update documentation.
17664 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17665 Daniel Berlin <dberlin@dberlin.org>
17669 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17670 return from the function.
17672 2006-01-22 Zack Weinberg <zackw@panix.com>
17674 * rtl.def (match_code): Add second argument.
17675 * genpreds.c (write_extract_subexp): New function.
17676 (write_match_code): Add path argument. Use write_extract_subexp.
17677 (write_predicate_expr): Pass path to write_match_code.
17678 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17679 not perform a mode test.
17680 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17681 a subexpression does not constrain the top-level code set.
17682 * read-rtl.c (read_rtx_variadic): New function.
17683 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17684 * doc/md.texi: Document new notation.
17685 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17686 (cmpsi_operand): ... here, using new notation.
17688 2006-01-22 Zack Weinberg <zackw@panix.com>
17690 * varray.c: Remove GENERATOR_FILE #ifdefs.
17692 2006-01-22 Zack Weinberg <zackw@panix.com>
17694 * genautomata.c (output_reserved_units_table): Emit nothing if
17695 description->query_units_num is zero. Remove extra blank line.
17696 (output_cpu_unit_reservation_p): Short circuit
17697 if description->query_units_num is zero.
17699 2006-01-22 Zack Weinberg <zackw@panix.com>
17701 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17702 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17703 nor any of the random handful of variables that used to be necessary
17704 when this program was linked with rtlanal.o. Prune set of forward
17705 function declarations.
17706 (struct attr_desc): Remove static_p field.
17707 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17708 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17709 (attr_string): Do not read the character one past the length of
17711 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17712 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17713 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17714 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17715 (make_automaton_attrs): New.
17716 (main): Do not call into genautomata. Call local gen_bypass
17717 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17718 Remove special case for insn_alts.
17719 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17720 varray.h (leftover from previous change). Prune set of forward
17721 function declarations. Remove state_alts fields from all
17722 structures. Remove state_alts_table from struct automaton.
17723 Make everything except main static. Do not maintain num_dfa_decls.
17724 Do not maintain state_alts fields of various structures.
17725 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17726 (add_arc): Remove state_alts argument. All callers updated.
17727 (output_reserved_units_table): Emit #ifdef here...
17728 (output_tables): ...not here. Don't generate state_alts tables.
17729 (expand_automata): Don't generate attributes.
17730 (write_automata): Don't generate state_alts functions.
17731 (main): New function.
17732 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17733 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17734 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17735 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17736 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17737 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17738 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17739 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17741 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17742 * genattrtab.h: Delete file.
17743 * Makefile.in (OBJS-common): Add insn-automata.o.
17744 (insn-automata.o): New rule.
17745 (simple_generated_c): Add insn-automata.c.
17746 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17747 (genprogmd): Add automata.
17748 (build/genattrtab): Needs no extra objects nor libraries.
17749 (build/genautomata): Needs build/vec.o and -lm.
17751 2006-01-22 Zack Weinberg <zackw@panix.com>
17753 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17754 (output_dfa_max_issue_rate, locked_states_num): Delete.
17755 (struct automaton): Add locked_states field.
17756 (output_dead_lock_vect): Save number of locked states in
17757 automaton->locked_states. If it is zero, don't print anything.
17758 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17759 (output_internal_dead_lock_func): Only test the dead_lock_vect
17760 for automata that have locked states.
17761 (output_statistics): Always print the number of locked states for
17762 each automaton. Calculate total number of locked states here.
17763 (write_automata): Don't call output_dfa_max_issue_rate.
17764 * genattrtab.c: Define length_unit_log as a const variable.
17765 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17766 max_insn_queue_index const.
17767 * final.c (length_unit_log): Declare const.
17768 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17770 2006-01-22 Zack Weinberg <zackw@panix.com>
17772 * genautomata.c: Include vec.h, not varray.h.
17773 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17774 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17775 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17776 VEC_* macros operating on appropriately typed vectors, or to
17777 malloced arrays when the size is known in advance. Const-ify
17778 many char* variables and function arguments. No functional changes.
17779 * Makefile.in (build/varray.o): Delete rule.
17780 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17781 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17783 2006-01-22 Zack Weinberg <zackw@panix.com>
17785 * gensupport.c: Define get_insn_name and record_insn_name here.
17786 (read_md_rtx): Call record_insn_name as appropriate.
17787 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17788 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17789 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17791 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17792 (BUILD_VARRAY): Delete.
17793 (genprognormal): Rename genprogmd. Fold in all programs from
17794 genprognoprint; also attrtab.
17795 (build/genattrtab): Just mention genautomata.o and varray.o.
17796 Reorganize a bit, add comments to make the categories clearer.
17798 2006-01-22 Zack Weinberg <zackw@panix.com>
17800 * genconditions.c (condition_table, add_condition): Delete.
17801 (write_conditions): Don't emit n_insn_conditions nor
17802 insn_elision_unavailable. Issue the gcc version #ifdef here,
17803 inside the table, with no #else clause ...
17804 (write_header): ...not here.
17805 (write_writer): New function.
17806 (main): Don't initialize condition_table. Use add_c_test.
17808 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17809 files on the command line.
17810 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17811 Return -1 if there is no entry in the table, don't abort.
17812 (add_c_test, traverse_c_tests): New functions.
17813 * gensupport.h (insn_elision_unavailable, insn_conditions)
17814 (n_insn_conditions): Delete declarations.
17815 (add_c_test, traverse_c_tests): Declare.
17816 * read-rtl.c: Include gensupport.h.
17817 (read_conditions): New function.
17818 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17819 (read_rtx_1): If we get EOF when we were looking for an initial
17820 open paren, return 0. Call read_conditions when appropriate.
17821 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17822 dummy-conditions.o. Eliminate references to insn-conditions.o,
17823 or change them to build/gencondmd.o, as appropriate. Remove
17824 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17825 from $(simple_generated_c). For all files remaining in those
17826 two lists, add insn-conditions.md to the generator command line.
17827 Give insn-constants.h/s-constants their own rules. Add rules
17828 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17829 (build/read-rtl.o): Depend on gensupport.h.
17830 (genprognormal): Include preds.
17831 (genprogearly): Rename genprognoprint; only difference is now that
17832 they don't link with $(BUILD_PRINT).
17833 * dummy-conditions.c: Delete.
17835 2006-01-22 Zack Weinberg <zackw@panix.com>
17837 * genextract.c: Don't include insn-config.h. Do include vec.h.
17838 Declare vectors of int, char, and locstr.
17839 (locstr): New typedef.
17840 (struct extraction): Make all array fields into bare pointers.
17841 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17842 (insn_code_number): Delete.
17843 (accum_extract): New struct.
17844 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17845 (gen_insn): Take insn_code_number as an argument. Use an
17846 accum_extract structure instead of loading data directly into
17847 a struct extraction, and having to know how big it might get.
17848 (walk_rtx): Operate entirely on an accum_extract structure.
17849 (print_path): Avoid unnecessary use of printf.
17850 (print_header): New function, split out of main. Distinguish
17851 more carefully between an unrecognizable insn and an insn that
17852 has the code number of a define_expand.
17853 (main): Pass insn_code_number to gen_insn. Call print_header
17854 only after parsing. Avoid unnecessary use of printf.
17855 * Makefile.in (build/vec.o): New rule.
17856 (build/genextract): Depend on build/vec.o.
17857 (build/genextract.o): Don't depend on insn-config.h.
17859 2006-01-22 Zack Weinberg <zackw@panix.com>
17861 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17862 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17863 practical. Eliminate per-generator-program link rules.
17865 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17867 PR middle-end/24437
17868 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17869 with a call expr to ...
17870 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17872 2006-01-23 Richard Guenther <rguenther@suse.de>
17874 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17875 before make_edge with conditional EDGE_TRUE_VALUE.
17877 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17878 Jan Hubicka <jh@suse.cz>
17879 Richard Guenther <rguenther@suse.de>
17881 PR rtl-optimization/25654
17882 * cfgexpand.c (aggregate_contains_union_type): New function.
17883 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17884 for structure variables that contain a union type.
17886 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17888 * gengtype.c (new_structure): Return the structure.
17889 (create_option): Add an extra "next" argument.
17890 (create_field): New function.
17891 (adjust_field_rtx_def): Use create_option and create_field.
17892 Remove a now-unnecessary call to find_structure.
17893 (adjust_field_tree_def): Likewise.
17894 (note_yacc_type): Remove an unnecessary call to find_structure.
17895 * gengtype.h (new_structure): Return the structure.
17896 (create_option): Add an extra argument.
17897 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17898 (option): Adjust calls to create_option.
17900 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17902 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17904 2006-01-22 Paul Brook <paul@codesourcery.com>
17905 Peter Barada <peter@the-baradas.com>
17907 * config/m68k/m68k.md: Add Coldfire FPU support.
17908 Define FP mode macro and associated attributes.
17909 Use it for float mode patterns.
17910 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17911 (LIBCALL_VALUE): Use m68k_libcall_value.
17912 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17913 (m68k_function_value): Ditto.
17914 (emit_move_sequence): Ditto.
17915 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17916 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17917 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17918 (MULTILIB_EXCEPTIONS): Ditto.
17919 * config/m68k/m68k.opt: Add mcfv4e.
17920 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17921 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17922 (m68k_output_function_prologue): Save ColdFire FPU registers.
17923 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17924 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17925 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17926 ColdFire FPU registers.
17927 (m68k_libcall_value, m68k_function_value): New functions.
17928 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17929 (LIBCALL_VALUE): Use m68k_libcall_value.
17930 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17931 (MASK_COLDFIRE): Add MASK_CFV4E.
17932 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17933 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17934 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17935 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17936 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17937 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17938 * doc/invoke.tex: Document -mcfv4e on m68k.
17940 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17942 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17945 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17948 * c-opts.c (c_common_handle_option): Don't include
17949 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17950 * doc/invoke.texi (C++ Dialect Options): Document that
17951 -Wnon-virtual-dtor is no longer included in -Wall.
17953 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17955 * gcov.c (print_version), gcov-dump.c (print_version),
17956 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17959 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17961 * df-scan.c (problem_SCAN): Added NULL reset function.
17962 (df_scan_reset_blocks): Added code to call reset block function
17963 (df_bb_refs_delete) Fixed comment.
17964 (df_insn_refs_delete): Made tolerant of deleting non existent info
17965 for dataflow problems that need to be reset.
17966 * df-core.c (df_set_blocks): Ditto.
17967 * df.h (struct df_problem): Added reset_fun.
17968 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17969 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17970 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17971 functions to clear out all references to def-use or use-def chains.
17973 2006-01-21 Ben Elliston <bje@au.ibm.com>
17975 * varasm.c (assemble_real): Initialise data array.
17977 2006-01-20 Paul Brook <paul@codesourcery.com>
17979 Merge from csl-arm-branch.
17980 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17981 * config/arm/arm.md (movdi): Force operands[1] to a register
17982 if we have a non-register source.
17983 (*arm_movdi, *movdf_soft_insn): Require that one of the
17984 operands be a register.
17985 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17986 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17988 2006-01-20 DJ Delorie <dj@redhat.com>
17990 * varasm.c (initializer_constant_valid_p): Allow pointers
17991 initialized from integer constants of lesser precision.
17992 (output_constant): Allow non-int-sized pointer modes to be
17993 initialized from integer constants.
17995 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17998 * cppdefault.h (struct default_include): Add multilib flag.
17999 * cppdefault.c (cpp_include_defaults): Set it.
18000 * c.opt (-imultilib): New option.
18001 * c-opts.c (imultilib): New.
18002 (c_common_handle_option): Handle -imultilib.
18003 (c_common_post_options): Likewise.
18004 * c-incpath.c (add_standard_paths, register_include_chains):
18006 * c-incpath.h (register_include_chains): Add extra parameter.
18007 * gcc.c (do_spec_1): Generate -imultilib option.
18008 (The Specs Language): Update %I description.
18009 (process_command): Update copyright notice.
18010 * doc/cppopts.texi (-imultilib): Document.
18011 * doc/invoke.texi (-imultilib): Include in option summary.
18012 (%I): Update specs documentation.
18014 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18016 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18018 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18020 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18023 2006-01-20 Richard Guenther <rguenther@suse.de>
18024 Steven Bosscher <stevenb.gcc@gmail.com>
18026 PR rtl-optimization/24626
18027 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18028 EDGE_TRUE_VALUE if in RTL mode.
18031 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18032 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18034 2006-01-20 Dirk Mueller <dmueller@suse.com>
18037 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18038 instead of a special NOP marker.
18039 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18040 NOP marker handling.
18041 * c-common.h (empty_body_warning): Add forward declaration.
18042 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18043 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18045 2006-01-20 Paul Brook <paul@codesourcery.com>
18047 * Makefile.in (lang_checks): Keep going if mkdir fails.
18049 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18051 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18052 be able to clean out basic block when not necessary.
18053 (df_scan_free): Fixed to properly delete information if df is
18054 unused before calling df_finish.
18055 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18056 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18058 (df_bb_refs_delete): New function.
18059 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18060 * df-core.c (df_set_blocks): Added code to properly clean out
18061 unused blocks if they are not part of the blocks to consider.
18062 Added additional null check.
18063 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18064 be able to clean out basic block when not necessary
18065 * df.h (df_free_bb_function): Ditto.
18066 (df_bb_refs_delete): New function.
18067 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18068 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18069 basic block parameter to be able to clean out basic block when not
18071 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18072 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18073 Fixed to properly delete information if df is unused before
18076 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18078 PR rtl-optimization/25799
18079 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18080 Corrected confluence operator to remove bits from op2 before oring
18081 with op1 rather than removing bits from op1.
18082 (df_ru_transfer_function): Corrected test on wrong bitmap which
18083 caused infinite loop. Both of these problems were introduced in
18084 the dataflow rewrite.
18086 2006-01-19 DJ Delorie <dj@redhat.com>
18088 * reload1.c (find_reload_regs): Note the details of reload
18089 failures in the dump file.
18090 (spill_failure): Likewise.
18092 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18094 * loop-iv.c: Include df.h and hashtab.h.
18095 (enum iv_grd_result): New enum.
18096 (DF_REF_IV, DF_REF_IV_SET): New macros.
18097 (struct biv_entry): New.
18098 (df, bivs): New global variables.
18099 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18100 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18102 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18103 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18104 analyzed_for_bivness_p, record_biv): New functions.
18105 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18106 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18107 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18109 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18111 (iv_number_of_iterations): Use new interface to iv analysis.
18112 * loop-unroll.c: Do not include varray.h.
18113 (analyze_iv_to_split_insn): Use new interface to iv
18115 * loop-unswitch.c (may_unswitch_on): Ditto.
18116 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18118 (df_bb_modify): Realloc tables to the new index.
18119 (df_find_use): New function.
18120 * df.h (df_find_use): Declare.
18121 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18123 * cfgloop.h (struct rtx_iv): Remove analysed field.
18124 (iv_get_reaching_def): Removed.
18125 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18126 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18127 (loop-iv.o): Add df.h and hashtab.h dependency.
18128 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18130 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18133 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18135 (__floatundisf, __floatundidf): Likewise.
18136 * libgcc2.h (IS_IBM_EXTENDED): Define.
18138 2006-01-19 DJ Delorie <dj@redhat.com>
18140 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18142 2006-01-19 Paul Brook <paul@codesourcery.com>
18144 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18145 as nothrow when unwinding tables are disabled.
18147 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18150 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18151 of bit-field" when in system header.
18153 2006-01-19 DJ Delorie <dj@redhat.com>
18155 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18156 the 16 bit shift limit of the m16c.
18158 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18161 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18162 * config/i386/i386.c (output_set_got): Output the label if we have one
18163 for the TARGET_DEEP_BRANCH_PREDICTION case.
18165 2006-01-19 Jan Hubicka <jh@suse.cz>
18166 H.J. Lu <hongjiu.lu@intel.com>
18167 Evandro Menezes <evandro.menezes@amd.com>
18169 * invoke.texi (generic): Document
18171 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18172 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18173 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18174 (x86_use_incdec, x86_pad_returns): New variables
18175 (TARGET_CPU_DEFAULT_generic): New constant
18176 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18177 (enum processor_type): Add generic32 and generic64.
18178 * i386.md (cpu attribute): Add generic32/generic64
18179 (movhi splitter): Behave sanely when both partial_reg_dependency and
18180 partial_reg_stall are set.
18181 (K8 splitters): Enable for generic as well.
18182 * predicates.md (incdec_operand): Use TARGET_INCDEC
18183 (aligned_operand): Avoid memory mismatch stalls.
18184 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18185 * ppro.md: Enable for generic32
18186 * i386.c (generic64_cost, generic32_cost): New.
18187 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18188 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18189 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18190 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18191 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18192 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18193 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18194 x86_accumulate_outgoing_args, x86_prologue_using_move,
18195 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18196 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18197 Enable for generic.
18198 (x86_use_incdec, x86_pad_returns): New.
18199 (override_options): Add generic32 and generic64, translate "generic"
18200 to generic32/generic64 and "i686" to "generic32", refuse
18201 "generic32"/"generic64" as arch target.
18202 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18203 (ix86_reorg): Honor PAD_RETURNS.
18205 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18207 * tree-pretty-print.c (dump_generic_node): Handle
18208 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18209 * cgraph.c (cgraph_expand_queue): Rename from
18210 cgraph_analyze_queue. Update all users.
18211 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18212 cgraph_expand_queue.
18213 (cgraph_expand_all_functions): Likewise.
18214 (cgraph_finalize_pending_functions): Remove. Update callers.
18216 * tree.h (OMP_DIRECTIVE_P): Define.
18217 (OMP_PARALLEL_FN): Define.
18218 (OMP_PARALLEL_DATA_ARG): Define.
18219 (OMP_SECTIONS_SECTIONS): Define.
18220 * tree-pass.h (pass_expand_omp): Declare.
18221 * omp-low.c (struct omp_region): Declare.
18222 (struct omp_context): Remove fields 'parallel_type',
18223 'parallel_start_ix' and 'parallel_start_additional_args'.
18225 (struct omp_for_data): Rename from struct expand_omp_for_data.
18226 (omp_regions): New static variable.
18227 (root_omp_region): New static variable.
18228 (find_omp_clause): Make static.
18229 (is_in_combined_parallel_ctx): Remove.
18230 (is_combined_parallel): New.
18231 (extract_omp_for_data): Move earlier in the file.
18232 (workshare_safe_to_combine_p): New.
18233 (get_ws_args_for): New.
18234 (determine_parallel_type): Move earlier in the file.
18235 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18237 (omp_copy_decl): Likewise.
18238 (create_omp_child_function): Likewise.
18239 (lookup_omp_region): New.
18240 (dump_omp_region): New.
18241 (debug_omp_region): New.
18242 (debug_all_omp_regions): New.
18243 (new_omp_region): New.
18244 (scan_omp_parallel): If parallel_nesting_level > 1, the
18245 directive is nested within another parallel directive.
18246 Set OMP_PARALLEL_FN.
18247 (scan_omp_for): Do not try to handle combined parallel+for
18249 Remove FIXME comment.
18250 (scan_omp_nested): Remove.
18251 (scan_omp_1): Do not call scan_omp_nested when
18252 parallel_nesting_level is > 1.
18253 Do not change the DECL_CONTEXT of local variables found.
18254 (lookup_decl_in_outer_ctx): New.
18255 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18256 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18257 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18258 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18259 If CTX is nested, lookup VAR in the outer context when
18260 building copy assignment.
18261 (lower_send_clauses): Rename from expand_send_clauses.
18262 If CTX is nested, lookup VAR in the outer context when
18263 building copy assignments.
18264 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18265 If CTX is nested, lookup VAR in the outer context when
18266 building copy assignments.
18267 (expand_parallel_call): Rename from build_parallel_call.
18268 Handle combined parallel+workshare cases.
18269 Re-implement to emit code into the CFG.
18271 (expand_omp_parallel): Re-implement to emit code into the CFG.
18272 Call move_sese_region_to_fn to outline the sub-graph
18273 containing the parallel region.
18274 (expand_omp_for_1): Remove.
18275 (expand_omp_for_generic): Re-implement to emit code into the
18277 (expand_omp_for_static_nochunk): Likewise.
18278 (expand_omp_for_static_chunk): Likewise.
18279 (expand_omp_for): Likewise.
18280 (expand_omp_sections): Likewise.
18281 (remove_exit_barriers): New.
18282 (expand_omp_synch): New.
18284 (build_omp_regions_1): New.
18285 (build_omp_regions): New.
18286 (execute_expand_omp): New.
18287 (gate_expand_omp): New.
18288 (pass_expand_omp): Define.
18289 (lower_omp_sections): Rename from expand_omp_sections.
18290 Set OMP_SECTIONS_SECTIONS.
18291 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18292 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18293 (lower_omp_single): Rename from expand_omp_simple.
18294 (lower_omp_master): Rename from expand_omp_master.
18295 (lower_omp_ordered): Rename from expand_omp_ordered.
18296 (lower_omp_critical): Rename from expand_omp_critical.
18297 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18298 (lower_omp_for): Re-implement.
18299 (lower_omp_parallel): Re-implement.
18300 (lower_regimplify): Rename from expand_regimplify.
18301 (lower_omp_1): Rename from expand_omp_1.
18302 If there are syntax errors in the program, replace every
18303 OpenMP directive with NOP.
18304 Call lower_omp_* instead of expand_omp_*.
18305 (lower_omp): Rename from expand_omp.
18307 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18308 * tree-gimple.h (enum omp_parallel_type): Remove.
18309 (gimple_boolify): Declare extern.
18310 (find_omp_clause, determine_parallel_type): Remove.
18312 * gimple-low.c (lower_omp_directive): New.
18313 (lower_stmt): Call it.
18314 (record_vars_into): Move from ...
18315 (record_vars): ... here.
18316 Call record_vars_into with current_function_decl.
18318 * gimplify.c (struct gimplify_ctx): Remove fields
18319 combined_pre_p and combined_ctxp. Update users.
18320 (get_formal_tmp_var): Add documentation.
18321 (gimple_boolify): Make extern.
18322 (gimplify_expr_in_ctx): Remove. Update callers.
18323 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18324 will always be a BIND_EXPR.
18325 (gimplify_expr): Handle OMP_RETURN_EXPR.
18326 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18327 (OMP_PARALLEL): Add 3 operands.
18328 (OMP_SECTIONS): Add 1 operand.
18329 (OMP_RETURN_EXPR): Define.
18331 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18332 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18333 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18334 creating a circular free list.
18335 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18337 * tree-flow.h (move_sese_region_to_fn): Declare.
18338 (record_vars_into): Declare.
18339 * tree-cfg.c (make_omp_sections_edges): New.
18340 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18341 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18342 OMP_SECTIONS and OMP_SECTION.
18343 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18344 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18345 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18346 (gather_blocks_in_sese_region): New.
18347 (struct move_stmt_d): Declare.
18348 (move_stmt_r): New.
18349 (move_block_to_fn): New.
18350 (move_sese_region_to_fn): New.
18352 * passes.c (init_optimization_passes): Schedule
18353 pass_expand_omp after pass_init_datastructures.
18355 * tree-ssa-operands.c (get_expr_operands): Handle
18356 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18357 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18359 2006-01-19 Jeff Law <law@redhat.com>
18361 * tree-vrp.c (extract_range_from_assert): Refine the result range
18362 if the variable referenced by the ASSERT_EXPR has a range and
18363 either the tentative result range or the previous range is a
18366 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18368 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18370 2006-01-19 Jan Hubicka <jh@suse.cz>
18372 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18374 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18376 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18377 (expand_compound_operation, expand_field_assignment): Fail if the
18378 bit lengths of an extract operation are out of range.
18379 (make_extraction): Compute wanted_inner_mode based on the position
18380 and length of the extraction. Make it extraction_mode for non-constant
18381 positions, and do not modify offset in that case. When generating a
18382 new MEM, use a mode that can hold the extraction while keeping correct
18383 alignment. Remove code that supported MEMs wrapped by USEs.
18384 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18386 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18388 * config/s390/s390.md ("Y", "y"): New mode attribute.
18389 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18390 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18391 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18392 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18393 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18394 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18395 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18396 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18397 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18398 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18399 "addsi3", "subsi3"): Insn patterns removed.
18400 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18401 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18402 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18403 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18404 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18405 "*sub<mode>3_cconly2"): New insn patterns.
18406 ("addsi3", "subsi3"): New expanders.
18408 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18410 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18411 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18412 existing STMT_VINFO_VECTYPE if available.
18413 (vect_mark_relevant): Add special handling for stmts that are
18414 marked as STMT_VINFO_IN_PATTERN_P.
18415 (vect_analyze_loop): Call vect_pattern_recog.
18416 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18417 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18419 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18420 (vect_recog_func_ptr): New function-pointer type.
18421 * tree-vect-patterns.c: New file.
18422 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18423 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18424 (vect_pattern_recog_1): New functions.
18425 (vect_pattern_recog_funcs): New array of function pointers.
18427 * tree-vectorizer.h (ternary_op): New enum value.
18428 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18429 declaration. Revised documentation. Removed redundant dump prints.
18430 Removed redundant argument. Added support for reduction patterns.
18431 (vectorizable_reduction): Added support for reduction patterns.
18432 (vect_transform_stmt): Added support for patterns.
18434 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18435 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18436 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18437 (expand_widen_pattern_expr): New function.
18438 (init_optabs): Initialize new optabs udot_prod_optab,
18440 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18441 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18442 (expand_widen_pattern_expr): New function declaration.
18443 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18445 * tree-inline.c (estimate_num_insns_1): Added cases for new
18446 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18447 * tree-pretty-print.c (dump_generic_node): Likewise.
18448 (op_prio): Likewise.
18449 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18450 * tree-ssa-operands.c (get_expr_operands): Added case for
18452 * tree-vect-patterns.c (widened_name_p): New function.
18453 (vect_recog_dot_prod_pattern): Added function implementation.
18454 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18455 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18456 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18457 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18459 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18460 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18461 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18462 (init_optabs): Initialize new optabs widen_ssum_optab,
18464 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18465 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18466 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18467 use instead of type of def.
18468 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18469 function implementation.
18470 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18471 widen_ssumv8hi): New.
18473 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18476 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18479 * c-decl.c (add_flexible_array_elts_to_size): New function.
18480 (finish_decl): Use it.
18482 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18484 * diagnostic.h: Include options.h.
18485 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18486 dependancies for diagnostic.h.
18487 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18489 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18491 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18492 (ssa_ro_call_cache_valid): Ditto.
18493 * tree-ssa-alias.c (sort_tags_by_id): New function.
18494 (init_transitive_clobber_worklist): Ditto.
18495 (add_to_worklist): Ditto.
18496 (mark_aliases_call_clobbered): Ditto.
18497 (compute_tag_properties): Ditto.
18498 (set_initial_properties): Ditto.
18499 (compute_call_clobbered): Ditto.
18500 (compute_may_aliases): Call compute_call_clobbered and grouping.
18501 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18502 (compute_flow_insensitive_aliasing): Grouping now happens in our
18504 (setup_pointers_and_addressables): Remove clobbering related code.
18505 (add_may_alias): Ditto.
18506 (replace_may_alias): Ditto.
18507 (get_nmt_for): Ditto.
18508 (create_global_var):
18509 (is_escape_site): Return an escape_type enumeration.
18510 * tree-flow-inline.h (is_call_clobbered): Global var does not
18511 imply call clobbered.
18512 (mark_call_clobbered): Take a reason for marking this. Remove
18513 marking of globalness, and cache invalidation.
18514 (clear_call_clobbered): Remove cache invalidation code.
18515 * tree-dfa.c (dump_variable): If details is on, dump the reason
18517 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18519 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18520 (struct var_ann_d): Ditto.
18521 (enum escape_type): New.
18522 (mark_call_clobbered): Adjust prototype.
18523 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18524 are never call clobbered.
18525 Record reasons for escaping.
18526 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18527 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18528 (ssa_ro_call_cache_valid): Ditto.
18529 (clobbered_v_may_defs): Ditto.
18530 (clobbered_vuses): Ditto.
18531 (ro_call_vuses): Ditto.
18532 (clobber_stats): New.
18533 (init_ssa_operands): Zero out clobber stats.
18534 (fini_ssa_operands): Print out clobber stats.
18535 (get_call_expr_operands): Pass callee fndecl to
18536 add_call_read_ops).
18537 (add_call_clobber_ops): Remove use of cache.
18538 Add use of PURE_CONST information.
18539 (add_call_read_ops): Remove use of cache.
18540 Add use of static not_read information.
18542 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18544 Introduce TLS descriptors for i386 and x86_64.
18545 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18546 (TARGET_ANY_GNU_TLS): New macro.
18547 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18548 (struct machine_function): Add tls_descriptor_call_expanded_p.
18549 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18550 (ix86_current_function_calls_tls_descriptor): Likewise.
18551 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18552 (override_options): Introduce gnu2 tls dialect.
18553 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18555 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18557 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18558 (ix86_init_machine_status): Initialize new field.
18559 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18560 (ix86_tls_module_base): New.
18561 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18562 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18563 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18564 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18565 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18566 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18567 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18568 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18569 * config/i386/predicates.md (tls_modbase_operand): New.
18570 (tp_or_register_operand): New.
18572 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18574 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18575 (look_for_address_of): Ditto.
18576 (ipa_init): Walk the function decls.
18577 (static_execute): Don't set readonly on FUNCTION_DECL's.
18579 2006-01-18 Roger Sayle <roger@eyesopen.com>
18581 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18582 for shifts where the source and destination registers are different.
18584 2006-01-18 Paul Brook <paul@codesourcery.com>
18586 Merge from csl-arm-branch.
18587 2005-03-14 Julian Brown <julian@codesourcery.com>
18588 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18589 (aeabi_llsl): Likewise.
18590 (ashrdi3): Likewise.
18591 (aeabi_lasr): Likewise.
18592 (lshrdi3): Likewise.
18593 (aeabi_llsr): Likewise.
18594 2005-03-10 Julian Brown <julian@codesourcery.com>
18595 * config.gcc: Disable shared libgcc for SymbianOS.
18596 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18598 2006-01-18 DJ Delorie <dj@redhat.com>
18600 * c-pragma.c (handle_pragma_diagnostic): New.
18601 (init_pragma): Register it.
18602 * doc/extend.texi: Document it.
18604 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18605 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18606 (diagnostic_context): Add classify_diagnostic[].
18607 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18608 as errors if they're overridden to DK_WARNING.
18609 (diagnostic_initialize): Initialize classify_diagnostic[].
18610 (diagnostic_set_kind_override): New.
18611 (diagnostic_report_diagnostic): Check for kind changes.
18612 * opts.c (common_handle_option): Take lang_mask. Update callers.
18613 Handle OPT_Werror_.
18614 * common.opt (Werror=): New.
18615 * doc/invoke.texi: Document -Werror=*
18617 2006-01-18 Jeff Law <law@redhat.com>
18619 * tree-vrp.c (test_for_singularity): Correct test for new
18620 min limit. Use operand_equal_p rather than pointer equality
18621 for testing if new min/max values are equal.
18623 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18624 using range information until after propagation and folding.
18626 2006-01-18 Richard Henderson <rth@redhat.com>
18627 Aldy Hernandez <aldyh@redhat.com>
18628 Jakub Jelinek <jakub@redhat.com>
18629 Diego Novillo <dnovillo@redhat.com>
18631 * omp-low.c: New file.
18632 * c-omp.c: New file.
18634 2006-01-18 Richard Henderson <rth@redhat.com>
18635 Jakub Jelinek <jakub@redhat.com>
18636 Diego Novillo <dnovillo@redhat.com>
18638 * doc/invoke.texi: Document -fopenmp.
18639 * tree-dump.h (debug_function): Declare.
18640 * hooks.c (hook_bool_tree_bool_false): New function.
18641 (hook_tree_tree_null): Remove.
18642 (hook_tree_tree_tree_null): New.
18643 * hooks.h: Update to match.
18644 * tree-pretty-print.c (debug_tree_chain): New.
18645 (print_generic_expr): Handle TDF_CHAIN.
18646 (dump_generic_node): Handle BLOCK.
18647 Do not abort with incomplete SWITCH_EXPRs.
18648 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18649 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18650 print space after directive name.
18651 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18652 Handle OMP_MASTER and OMP_ORDERED.
18653 Handle printing of OMP_BODY just in one place, goto
18654 dump_omp_body in the rest of OMP_* nodes that have
18656 Don't handle clause nodes here. Update omp statements to
18657 use dump_omp_clauses.
18658 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18659 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18660 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18661 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18662 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18663 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18664 Adjust output for GOMP_PARALLEL.
18665 (dump_omp_clauses): New.
18666 (print_declaration): Dump DECL_VALUE_EXPR.
18667 (op_symbol_1): Split out of op_symbol.
18668 (dumping_stmts): Remove. Update all users.
18669 * cgraph.c (cgraph_analyze_queue): New.
18670 (cgraph_add_new_function): New.
18671 * cgraph.h (cgraph_analyze_queue): Declare.
18672 (cgraph_add_new_function): Declare.
18673 (cgraph_lower_function): Remove.
18674 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18675 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18676 and TYPE_P nodes in its default clause.
18677 (empty_body_p): New.
18678 (tree_range_check_failed): New.
18679 (build5_stat): New.
18680 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18681 OMP_CLAUSE_REDUCTION_MERGE,
18682 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18683 OMP_CLAUSE_PRIVATE_DEBUG,
18684 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18685 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18686 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18687 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18688 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18689 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18690 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18691 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18692 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18693 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18694 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18695 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18696 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18697 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18698 (TREE_RANGE_CHECK): New.
18699 (empty_body_p): Declare.
18700 (enum omp_clause_default_kind): New.
18701 (build_string_literal): Declare.
18702 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18703 (build5_stat, build5): Declare.
18704 * tree-pass.h (TDF_CHAIN): Define.
18705 * tree-pass.h (PROP_gimple_lomp): Define.
18706 (pass_lower_omp): Declare.
18707 * diagnostic.h (debug_tree_chain): Declare.
18708 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18710 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18711 * builtins.c (build_string_literal): Make extern.
18712 * gcc.c (include_spec_function): New.
18713 (static_spec_functions): Add it.
18714 (main): Move load of libgomp.spec ...
18715 (LINK_COMMAND_SPEC): ... here.
18716 (link_gomp_spec): New.
18717 (static_specs): Include it.
18718 (LINK_COMMAND_SPEC): Add link_gomp.
18719 (GOMP_SELF_SPECS): New.
18720 (driver_self_specs): Include it.
18721 (switch_matches): Don't mark inline.
18722 (main): Load libgomp.spec.
18723 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18724 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18725 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18726 * tree-gimple.h (enum omp_parallel): Declare.
18727 (determine_parallel_type): Declare.
18728 (omp_firstprivatize_variable): Declare.
18729 (omp_reduction_init): Declare.
18730 (diagnose_omp_structured_block_errors): Declare.
18731 (struct walk_stmt_info): Add want_return_expr.
18732 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18733 (find_omp_clause): Declare.
18734 (insert_field_into_struct): Declare.
18735 (struct walk_stmt_info): Move from tree-nested.c
18736 (walk_stmts): Declare.
18737 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18739 * cgraphunit.c (cgraph_lower_function): Make static.
18740 (cgraph_finalize_pending_functions): New.
18741 (cgraph_finalize_function): Call it.
18742 (cgraph_finalize_compilation_unit): Likewise.
18743 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18744 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18745 (BT_FN_UINT_UINT): New.
18746 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18747 DEF_FUNCTION_TYPE_VAR_4): Document.
18748 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18749 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18750 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18751 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18752 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18753 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18754 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18755 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18756 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18757 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18758 into separate files.
18759 (DEF_GOMP_BUILTIN): New.
18760 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18761 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18762 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18763 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18764 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18765 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18766 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18767 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18768 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18769 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18770 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18771 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18772 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18773 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18774 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18775 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18776 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18777 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18778 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18779 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18780 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18781 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18782 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18783 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18784 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18785 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18786 * sync-builtins.def: New file, moved from builtins.def.
18787 * omp-builtins.def: New file, moved from builtins.def.
18788 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18789 * gimple-low.c (lower_function_body): Clear data.
18790 (lower_stmt): Do not handle COMPOUND_EXPR.
18791 Remove call to print_node_brief.
18792 * c-tree.h (c_finish_omp_clauses): New prototype.
18793 (C_DECL_THREADPRIVATE_P): Define.
18794 (lookup_name_no_remap, c_omp_remap_private): Remove
18795 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18796 (check_for_loop_decls): Update decl.
18797 (lookup_name_no_remap, c_omp_remap_private): Declare.
18798 (build_indirect_ref, build_modify_expr, pushdecl,
18799 pushdecl_top_level): Move to c-common.h.
18800 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18801 before the switch, but just in the 2 places that need it.
18802 * c-decl.c (diagnose_mismatched_decls): Do not check for
18803 mismatched thread-local attributes when OLDDECL is marked
18804 threadprivate and NEWDECL has no thread-local attributes.
18805 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18806 (c_gimple_diagnostics_recursively): Rename from
18807 c_warn_unused_result_recursively. Invoke
18808 diagnose_omp_structured_block_errors.
18809 (check_for_loop_decls): Return a singular decl found.
18810 * langhooks.c (lhd_omp_predetermined_sharing): Return
18811 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18812 (lhd_omp_firstprivatize_type_sizes): New.
18813 (lhd_omp_assignment): New.
18814 (lhd_omp_predetermined_sharing): New.
18815 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18816 (struct lang_hooks_for_types): Add
18817 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18818 omp_predetermined_sharing, omp_disregard_value_expr,
18819 omp_private_debug_clause, omp_clause_default_ctor,
18820 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18821 (c_finish_omp_clauses): New.
18822 (c_finish_bc_stmt): Diagnose break within omp for.
18823 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18824 (build_unary_op): Return error_mark after reporting
18826 (build_modify_expr): Likewise.
18827 * gimplify.c: Include optabs.h and pointer-set.h.
18828 (enum gimplify_omp_var_data): Declare.
18829 (struct gimplify_omp_ctx): Declare.
18830 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18832 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18833 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18834 (splay_tree_compare_decl_uid): New.
18835 (new_omp_context): New.
18836 (delete_omp_context): New.
18837 (gimple_add_tmp_var): Call omp_add_variable.
18838 (gimplify_bind_expr): Likewise.
18839 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18840 true, disregard DECL_VALUE_EXPR on the decl if any.
18841 (gimplify_expr_in_ctx): New.
18842 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18843 omp_add_variable, omp_notice_variable, omp_is_private
18844 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18845 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18846 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18847 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18848 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18849 gimplify_omp_atomic): New.
18850 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18851 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18852 OMP_CRITICAL and OMP_ATOMIC.
18853 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18854 * c-pragma.h (enum pragma_kind): Add
18855 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18856 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18857 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18858 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18859 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18860 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18861 PRAGMA_OMP_THREADPRIVATE.
18862 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18863 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18864 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18865 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18866 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18867 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18868 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18869 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18870 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18871 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18872 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18873 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18874 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18876 (struct nesting_info): Add field_map,
18877 suppress_expansion, debug_var_chain.
18878 (create_nesting_tree): Initialize them.
18879 (lookup_field_for_decl): Use field_map.
18880 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18881 (convert_local_omp_clauses): New.
18882 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18883 (walk_body): Split out of walk_function.
18884 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18885 (convert_nonlocal_reference): Handle omp statements.
18886 (convert_local_reference): Likewise.
18887 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18888 (unnest_nesting_tree): New.
18889 (lower_nested_functions): Call it.
18890 (insert_field_into_struct): Make extern.
18891 (struct walk_stmt_info): Move to tree-gimple.h.
18892 (walk_stmts): Make extern.
18893 * omp-builtins.def: New file.
18894 * tree-iterator.c (expr_only): Clarify comment.
18895 * c-common.h (pushdecl_top_level, pushdecl,
18896 build_modify_expr, build_indirect_ref,
18897 c_finish_omp_master, c_finish_omp_critical,
18898 c_finish_omp_ordered, c_finish_omp_barrier,
18899 c_finish_omp_atomic, c_finish_omp_flush,
18900 c_finish_omp_for, c_split_parallel_clauses,
18901 omp_clause_default_kind, c_omp_sharing_predetermined,
18902 c_omp_remap_decl): Declare.
18903 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18904 (OBJS-common): Add omp-low.o.
18905 (c-omp.o, omp-low.o): Add.
18906 (gimplify.o): Add dependency on $(OPTABS_H).
18907 (GTFILES): Add omp-low.c.
18908 (gt-stringpool.h): Add.
18909 * tree-cfg.c (set_bb_for_stmt): Do not update the
18910 block-to-labels map if we are currently expanding to RTL.
18911 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18913 Handle IDENTIFIER_NODE.
18914 (tree_verify_flow_info): Do not ICE when emitting error
18915 messages about invalid labels.
18916 (dump_function_to_file): Reset CFUN before emitting the body
18918 (debug_function): New.
18919 * passes.c (init_optimization_passes): Schedule
18921 * langhooks-def.h (lhd_omp_predetermined_sharing,
18922 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18924 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18925 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18926 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18927 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18928 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18929 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18930 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18931 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18932 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18933 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18934 (LANG_HOOK_DECLS): Use them.
18936 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18937 Richard Henderson <rth@redhat.com>
18938 Jakub Jelinek <jakub@redhat.com>
18939 Diego Novillo <dnovillo@redhat.com>
18941 * c-parser.c (pragma_omp_clause): Define.
18942 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18943 (c_parser_compound_statement): Likewise.
18944 (c_parser_statement): Likewise.
18945 (c_parser_pragma): Handle omp pragmas.
18946 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18947 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18948 (c_parser_omp_clause_name, check_no_duplicate_clause,
18949 c_parser_omp_variable_list,
18950 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18951 c_parser_omp_clause_copyprivate,
18952 c_parser_omp_clause_default,
18953 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18954 c_parser_omp_clause_lastprivate,
18955 c_parser_omp_clause_nowait,
18956 c_parser_omp_clause_num_threads,
18957 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18958 c_parser_omp_clause_reduction,
18959 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18960 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18961 c_parser_omp_atomic, c_parser_omp_barrier,
18962 c_parser_omp_critical, c_parser_omp_flush,
18963 c_parser_omp_for_loop, c_parser_omp_for,
18964 c_parser_omp_master, c_parser_omp_ordered,
18965 c_parser_omp_sections_scope, c_parser_omp_sections,
18966 c_parser_omp_parallel, c_parser_omp_single,
18967 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18968 * c-pragma.c (init_pragma): Do omp pragma registration here.
18969 * c.opt (fopenmp): New flag.
18971 2006-01-18 Eric Christopher <echristo@apple.com>
18973 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18974 * config/darwin.h (GOMP_SELF_SPECS): Define.
18976 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18978 * rtl.h: Remove the prototype for reg_alloc.
18980 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18983 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18984 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18985 sjlj and dwarf2 exception handling.
18986 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18987 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18988 * pa/pa.c (function_value): Treat complex and vector types as
18990 (function_arg): Likewise. Only pass scalar floats in the floating
18991 point argument registers.
18992 * pa/t-slibgcc-dwarf-ver: New file.
18993 * pa/t-slibgcc-sjlj-ver: New file.
18994 * pa/t-slibgcc-elf-ver: Delete file.
18996 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18998 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18999 unlikely_test_section_p test.
19001 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19003 * mode-switching.c (optimize_mode_switching): Make it static.
19004 * basic-block.h: Remove the prototype for
19005 optimize_mode_switching.
19007 * modulo-sched.c (sms_schedule): Make it static.
19008 * rtl.h: Remove the prototype for sms_schedule.
19010 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19011 * rtl.h: Remove the prototype for gcse_after_reload_main.
19013 * reg-stack.c (reg_to_stack): Make it static.
19014 * rtl.h: Remove the prototype for reg_to_stack.
19016 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19018 * rtl.h: Remove the prototypes for regrename_optimize and
19019 copyprop_hardreg_forward.
19021 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19023 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19024 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19025 Test against the appropriate null constant for the mode.
19026 If 'fixup_overlap' is true, swap the operands if they overlap.
19027 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19028 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19029 alpha_split_tmode_pair and adjust for above change.
19030 * config/alpha/alpha.md (movtf_internal): Adjust call to
19031 alpha_split_tfmode_pair and rely on it to swap the operands.
19032 (movti_internal): New insn and post-reload splitter.
19033 (movti): New expander.
19035 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19037 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19040 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19042 * rtlanal.c (global_reg_mentioned_p_1,
19043 global_reg_mentioned_p): Remove.
19044 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19046 * flow.c (initialize_uninitialized_subregs): Make it static.
19047 * rtl.h: Remove the prototype for
19048 initialize_uninitialized_subregs.
19050 * function.c (instantiate_virtual_regs): Make it static.
19051 * function.h: Remove the prototype for
19052 instantiate_virtual_regs.
19054 * regmove.c (regmove_optimize, combine_stack_adjustments):
19056 * rtl.h: Remove the prototypes for regmove_optimize and
19057 combine_stack_adjustments.
19059 2006-01-17 Roger Sayle <roger@eyesopen.com>
19061 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19062 (size_cost): Encode costs in bytes so that a reg-reg addition is
19063 equivalent to COSTS_N_INSNS(1).
19064 (override_options): Use the size_cost.branch_cost as the default
19065 ix86_branch_cost when optimizing for size.
19067 2006-01-18 Ben Elliston <bje@au.ibm.com>
19069 * Makefile.in (D32PBIT_FUNCS): New.
19070 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19071 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19072 D64PBIT_FUNCS and D128PBIT_FUNCS.
19073 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19074 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19076 (decnumber_dep): Define.
19077 * doc/libgcc.texi (Decimal float library routines): New node.
19078 * config/dfp-bit.h, config/dfp-bit.c: New files.
19080 2006-01-18 Ben Elliston <bje@au.ibm.com>
19082 * expr.c (emit_move_change_mode): Always adjust addresses, not
19083 just during reload. Copy replacements only during reload.
19084 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19085 emit_move_via_integer.
19087 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19089 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19090 instead of $(srcdir) and ${srcdir}.
19092 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19095 PR middle-end/11135
19096 * arm.h (struct machine_function): Add pic_reg.
19097 * arm.c (arm_pic_register): Make unsigned.
19098 (arm_override_options): Only set arm_pic_register if
19099 TARGET_SINGLE_PIC_BASE.
19100 (use_return_insn): Only test for a pic register if it is fixed.
19101 (arm_compute_save_reg0_reg12_mask): Likewise.
19102 (thumb_compute_save_reg_mask): Likewise.
19103 (legitimate_pic_operand): Factor out some known invariants.
19104 (legitimize_pic_address): If we don't have a fixed pic register,
19105 then set up a pseudo in the function entry sequence. Handle the
19106 pic base being in a pseudo.
19107 (arm_load_pic_register): Handle the pic register being in a pseudo.
19108 (arm_expand_prologue): Only set up the pic register if it is fixed.
19109 (thumb_expand_prologue): Likewise.
19110 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19111 (pic_load_addr_based_insn): Likewise.
19112 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19115 2006-01-18 Ben Elliston <bje@au.ibm.com>
19117 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19118 decimal float modes for all floating point registers.
19120 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19121 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19123 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19126 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19127 even when the pointer is not NULL.
19129 2006-01-16 Ian Lance Taylor <ian@airs.com>
19131 * common.opt (ftoplevel-reorder): New option.
19132 * cgraph.c (cgraph_asm_nodes): New global variable.
19133 (cgraph_asm_last_node): New static variable.
19134 (cgraph_order): New global variable.
19135 (cgraph_create_node): Set new order field.
19136 (cgraph_varpool_node): Likewise.
19137 (decide_is_variable_needed): Return true if not
19138 flag_toplevel_reorder.
19139 (cgraph_add_asm_node): New function.
19140 * cgraph.h (struct cgraph_node): Add order field.
19141 (struct cgraph_varpool_node): Add order field.
19142 (struct cgraph_asm_node): Define.
19143 (cgraph_asm_nodes, cgraph_order): Declare.
19144 (cgraph_add_asm_node): Declare.
19145 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19147 (cgraph_varpool_assemble_pending_decls): Call it.
19148 (cgraph_output_pending_asms): New static function.
19149 (cgraph_finalize_compilation_unit): Call it.
19150 (struct cgraph_order_sort): Define.
19151 (cgraph_output_in_order): New static function.
19152 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19153 !flag_toplevel_reorder case.
19154 * c-parser.c: Include "cgraph.h".
19155 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19157 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19158 than -fno-unit-at-a-time.
19159 * doc/invoke.texi (Option Summary): Mention
19160 -fno-toplevel-reorder.
19161 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19162 -funit-at-a-time documentation.
19164 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19165 Kazu Hirata <kazu@codesourcery.com>
19167 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19169 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19171 * Makefile.in (FUNCTION_H): New. Use it instead of
19172 function.h throughout the file.
19173 * function.h: Include tree.h.
19175 2006-01-17 Ben Elliston <bje@au.ibm.com>
19177 * recog.c: Separate some functions with whitespace.
19179 2006-01-16 Richard Henderson <rth@redhat.com>
19181 Merge from gomp branch:
19182 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19183 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19184 and rename from struct inline_data. Rename callee* to dst*;
19185 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19186 transform_new_cfg, transform_return_to_modify, and
19187 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19189 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19190 (copy_decl_for_dup): Remove.
19191 * tree-inline.c (struct inline_data): Move to header.
19192 (insert_decl_map): Export.
19193 (remap_decl): Update for member name changes. Use copy_decl hook.
19194 Allow for replacement to be a non-decl. Remove dead code.
19195 (remap_type_1): Check for existing mapping.
19196 (remap_type): Export.
19197 (remap_decls): Update for member name changes.
19198 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19199 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19200 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19201 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19202 (tree_function_versioning, build_duplicate_type): Likewise.
19203 (copy_body_r): Likewise. Export.
19204 (copy_decl_for_dup): Split into ...
19205 (copy_decl_for_dup_finish, copy_decl_to_var,
19206 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19207 (replace_ref_tree, inlining_p): Remove.
19209 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19211 * ifcvt.c (if_convert): Make it static.
19212 * rtl.h: Remove the prototype for if_convert.
19214 * local-alloc.c (local_alloc): Make it static.
19215 * rtl.h: Remove the prototype for local_alloc.
19217 * loop.c (loop_optimize): Make it static.
19218 * cfgloop.h: Remove the prototype for loop_optimize.
19221 2006-01-16 DJ Delorie <dj@redhat.com>
19223 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19226 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19228 * pa.md: Disparage copies between general and floating-point registers
19229 in 32-bit move patterns.
19231 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19234 * Makefile.in (check-%): Depend on site.exp instead of
19235 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19238 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19240 * global.c (global_alloc): Make it static.
19241 * rtl.h: Remove the prototype for global_alloc.
19243 2006-01-16 Richard Guenther <rguenther@suse.de>
19245 * tree-ssa-alias.c (struct used_part): Add write_only field.
19246 (get_or_create_used_part_for): Initialize it to true.
19247 (create_overlap_variables_for): Don't create structure variables
19248 for structures that only are written to.
19249 (find_used_portions): Handle MODIFY_EXPR to track whether a
19250 structure is only written to.
19252 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19254 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19256 * basic-block.h: Remove the prototype for
19257 partition_hot_cold_basic_blocks.
19259 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19261 * cppspec.c (lang_specific_spec_functions): Remove.
19262 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19263 * gcc.h (lang_specific_spec_functions): Remove.
19264 * gccspec.c (lang_specific_spec_functions): Remove.
19266 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19268 * combine.c (record_value_for_reg): Invalidate registers
19270 (record_dead_and_set_regs_1): Likewise, by passing them to
19271 record_value_for_reg.
19272 (record_dead_and_set_regs): Invalidate stores made by a
19273 call. We do not combine across a call, but we still
19274 relied on equivalences.
19276 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19278 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19279 vrp_int_const_binop returning non-constant nodes.
19281 2006-01-16 Paul Brook <paul@codesourcery.com>
19283 * config/m68k/m68k.c (output_move_const_into_data_reg):
19284 Output correct mnemonic for mvz and mvs.
19286 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19288 * rtl-factoring.c: Add sequence abstraction algorithm.
19289 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19290 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19292 (block_has_preserve_label): New function.
19293 * common.opt: Register new pass.
19294 * Makefile.in: Ditto.
19296 * timevar.def: Ditto.
19297 * tree-pass.h: Ditto.
19298 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19299 * rtl.h (make_jump_insn_raw): Add forward decl.
19300 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19302 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19303 Roger Sayle <roger@eyesopen.com>
19305 * fold-const.c (fold_minmax): New static function.
19306 (fold_binary) <MIN_EXPR>: Call it.
19307 <MAX_EXPR>: Likewise.
19308 * stor-layout.c (place_field): Use DECL_SIZE consistently
19309 in the computation of the new record size.
19311 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19313 * cse.c (cse_condition_code_reg): Make it static.
19314 * rtl.h: Remove the prototype for cse_condition_code_reg.
19316 * combine.c (combine_instructions): Make it static.
19317 * rtl.h: Remove the prototype for combine_instructions.
19319 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19322 * tree.c (get_file_function_name_long): Concatenate the first global
19323 object name with a string derived from the input filename of the object
19326 2006-01-16 Ben Elliston <bje@au.ibm.com>
19328 * config/i386/winnt-stubs.c: Update FSF address.
19329 * config/xtensa/ieee754-df.S: Ditto.
19330 * config/xtensa/ieee754-sf.S: Ditto.
19332 2006-01-14 Ian Lance Taylor <ian@airs.com>
19334 * ifcvt.c (noce_init_if_info): New static function, broken out of
19335 noce_process_if_block.
19336 (noce_process_if_block): Call noce_init_if_info.
19337 (check_cond_move_block): New static function.
19338 (cond_move_process_if_block): New static function.
19339 (process_if_block): Call cond_move_process_if_block.
19341 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19343 * cselib.c (hash_table): Rename to cselib_hash_table.
19344 (cselib_clear_table, discard_useless_values,
19345 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19346 cselib_init, cselib_finish): Adjust uses of hash_table.
19348 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19350 PR tree-optimization/25485
19351 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19352 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19353 is known to be false and true, respectively.
19355 2006-01-14 Richard Guenther <rguenther@suse.de>
19357 PR tree-optimization/22548
19358 PR tree-optimization/22555
19359 PR tree-optimization/22501
19360 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19361 * params.def (salias-max-array-elements): New parameter.
19362 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19363 * doc/invoke.texi (salias-max-array-elements): Document.
19364 * tree-flow-inline.h (var_can_have_subvars): We also handle
19366 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19368 * tree-ssa-structalias.c (params.h): Include.
19369 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19370 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19371 (get_constraint_for): For ADDR_EXPR operating on something
19372 containing an ARRAY_REF, add all subvars to the solution.
19373 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19374 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19375 for creating MUST_DEFs.
19376 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19378 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19380 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19382 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19383 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19384 number_of_iterations_le): New functions.
19385 (number_of_iterations_special): Removed.
19386 (number_of_iterations_exit): Do not use number_of_iterations_special.
19387 * tree.c (unsigned_type_for): Always return integer type.
19389 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19390 Richard Guenther <rguenther@suse.de>
19392 PR rtl-optimization/24257
19393 * gcse.c (find_moveable_store): Only consider a store movable
19394 when the SET_SRC of the insn can be assigned to a register.
19396 2006-01-14 Ian Lance Taylor <ian@airs.com>
19398 * tree.c (tree_not_class_check_failed): New function.
19399 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19400 (tree_not_class_check_failed): Declare.
19402 2006-01-13 Ian Lance Taylor <ian@airs.com>
19404 * reload1.c (do_output_reload): Add assertion rejecting a
19407 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19409 * combine.c (struct reg_stat): Add new fields truncation_label and
19411 (record_value_for_reg): Reset truncated_to_mode.
19412 (record_truncated_value): New function.
19413 (check_promoted_subreg): Call it. Rename to check_conversions.
19414 (combine_instructions): Rename check_promoted_subreg to
19416 (reg_truncated_to_mode): New function.
19417 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19418 (gen_lowpart_or_truncate): New function.
19419 (force_to_mode): Use it instead of gen_lowpart.
19421 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19423 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19424 VAR is a tag, not its type tag.
19426 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19428 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19429 alternatives to match style of other entries.
19430 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19432 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19434 PR tree-optimization/25771
19435 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19438 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19441 * tree-inline.c (declare_return_variable): If the return variable
19442 was marked as a non gimple complex, set the return slot variable
19443 to be a non gimple comple variable.
19445 2006-01-13 Richard Guenther <rguenther@suse.de>
19447 * builtins.c (expand_builtin_sincos): New function.
19448 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19450 (expand_builtin): Expand sincos using expand_builtin_sincos.
19452 2006-01-12 DJ Delorie <dj@redhat.com>
19454 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19455 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19456 so that constant shifts can be split.
19457 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19458 (m32c_valid_pointer_mode): Make static.
19459 (shift_gen_func_for): New.
19460 (m32c_prepare_shift): Use it. Split large const shifts into
19462 * config/m32c/predicates.md (shiftcount_operand): Allow more
19464 (longshiftcount_operand): New.
19465 * doc/md.texi (Machine Constraints): Document In6.
19467 2006-01-13 Ben Elliston <bje@au.ibm.com>
19469 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19470 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19473 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19475 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19476 to try to avoid clobbering pieces of structures when we know
19477 something about the whole structure.
19478 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19480 2006-01-13 Ben Elliston <bje@au.ibm.com>
19482 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19483 return in memory, as this is no limitation is no longer present.
19485 2006-01-12 DJ Delorie <dj@redhat.com>
19487 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19488 mova with fb, and for fb+0 -> An.
19490 * config/m32c/mov.md (peephole2): Fix enabling logic.
19492 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19493 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19494 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19495 FINI_ARRAY_SECTION_ASM_OP): Define.
19497 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19499 (m32c_legitimize_reload_address): New logic to reload FB to An.
19500 (m32c_output_reg_push): Add newline.
19501 (m32c_output_reg_pop): Likewise.
19503 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19505 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19507 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19509 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19511 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19513 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19516 2006-01-11 Ben Elliston <bje@au.ibm.com>
19518 * rtlanal.c (find_reg_note): Assert insn is not null.
19520 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19522 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19525 2006-01-11 Jeff Law <law@redhat.com>
19527 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19529 (mark_threaded_blocks, register_jump_thread): New functions.
19530 (thread_through_all_blocks): Remove unwanted argument. No
19531 longer rely on e->aux to communicate thread target info.
19532 Call mark_threaded_blocks. Release the threaded_blocks
19533 bitmap and threaded_edges vector when complete.
19534 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19535 (threaded_blocks): Remove.
19536 (tree_ssa_dominator_optimize): Remove initialization and
19537 finalization of threaded_blocks. Simplify call to
19538 thread_through_all_blocks.
19539 (thread_across_edge): Call register_jump_thread rather than
19540 storing thread information into e->aux.
19541 (free_all_edge_infos): Simplify now that e->aux is no longer
19542 used to communicate with thread_through_all_blocks.
19543 * tree-flow.h (thread_through_all_blocks): Update prototype.
19544 (register_jump_thread): Prototype.
19546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19548 * df-core.c (df_compact_blocks, df_bb_replace): Use
19549 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19551 2006-01-11 Richard Guenther <rguenther@suse.de>
19553 PR tree-optimization/25734
19554 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19555 stop propagation after successful propagation to the LHS.
19557 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19559 * basic-block.h (control_flow_graph): Change the type of
19560 x_basic_block_info to VEC(basic_block,gc) *.
19561 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19563 (SET_BASIC_BLOCK): New.
19564 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19565 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19566 * cfgbuild.c (find_basic_blocks): Likewise.
19567 * cfglayout.c (fixup_reorder_chain): Likewise.
19568 * cfgrtl.c (create_basic_block_structure,
19569 rtl_create_basic_block): Likewise.
19570 * ifcvt.c (find_if_case_1): Likewise.
19571 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19574 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19576 * Makefile.in: Removed rotted odf.c entry.
19578 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19581 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19582 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19583 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19584 output pattern modifier, not %e.
19585 * config/cris/cris.c (cris_op_str): Update comment about pattern
19587 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19588 before falling through into...
19589 <case 'E'>: Redefined from old 'e' case.
19591 2006-01-11 Jan Hubicka <jh@suse.cz>
19594 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19596 2006-01-11 Jan Hubicka <jh@suse.cz>
19598 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19599 * i386.c (x86_decompose_lea): Kill.
19600 (ix86_rtx_costs): Kill.
19602 2006-01-11 Jan Hubicka <jh@suse.cz>
19604 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19605 * cgraph.h (cgraph_node): Add inline_decl.
19606 (cgraph_insert_node_to_hashtable): Declare.
19607 (save_inline_function_body): Declare.
19608 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19610 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19611 (cgraph_function_versioning): Update call of tree_function_versioning.
19612 (save_inline_function_body): New function.
19613 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19614 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19615 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19616 (cgraph_default_inline_p): Likewise.
19617 (cgraph_decide_inlining_incrementally): Likewise.
19618 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19619 (copy_bb): Kill saving; do updating of clones.
19620 (copy_cfg_body): Kill saving.
19621 (initialize_inlined-parameters): Likewise.
19622 (expand_call_inline): Likewise.
19624 (tree_function_versioning): New parameter "update_clones".
19625 (inlining_p): Kill saving.
19626 * tree-inline.h (tree_function_versioning): Update prototype.
19627 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19630 2006-01-11 Ian Lance Taylor <ian@airs.com>
19632 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19633 Allow undoing set of machine mode.
19634 (do_SUBST): Use enums instead of is_int.
19635 (do_SUBST_MODE): New function.
19636 (SUBST_MODE): New macro.
19637 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19638 reg and trying to replace reg_regno_rtx with a new register.
19639 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19640 (simplify_set): Use SUBST_MODE.
19641 (distribute_notes): Remove code that tried to update reg notes
19642 for regno_reg_rtx changes.
19644 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19646 PR tree-optimization/23109
19647 PR tree-optimization/23948
19648 PR tree-optimization/24123
19650 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19651 * tree-cfg.c (single_noncomplex_succ): New.
19652 * tree-flow.h (single_noncomplex_succ): Declare it.
19653 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19654 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19655 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19656 insert_bb, register_division_in, insert_reciprocals,
19657 replace_reciprocal, free_bb): New.
19658 (execute_cse_reciprocals_1): Rewritten.
19659 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19660 Do not commit any edge insertion. Always compute dominators and
19661 create the allocation pool.
19662 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19663 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19664 * targhooks.c (default_min_divistions_for_recip_mul): New.
19665 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19666 * passes.c (init_optimization_passes): Run recip after tree loop
19668 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19670 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19671 Kenneth Zadeck <zadeck@naturalbridge.com>
19673 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19674 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19675 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19676 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19677 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19678 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19679 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19680 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19681 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19682 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19683 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19684 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19685 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19686 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19687 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19688 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19689 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19690 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19691 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19692 DF_SCAN_POST_ALLOC): New macros.
19693 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19694 df_free_bb_function, df_local_compute_function, df_init_function,
19695 df_dataflow_function, df_confluence_function_0,
19696 df_confluence_function_n, df_transfer_function,
19697 df_finalizer_function, df_free_function, df_dump_problem_function,
19698 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19699 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19700 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19701 df_urec_bb_info, ) New types.
19702 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19704 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19705 df_analyze_simple_change_some_blocks,
19706 df_analyze_simple_change_one_block, df_compact_blocks,
19707 df_bb_replace, df_bb_regno_last_use_find,
19708 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19709 df_insn_regno_def_p, df_find_def, df_find_use,
19710 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19711 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19712 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19713 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19714 debug_df_chain, df_get_dependent_problem, df_chain_create,
19715 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19716 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19717 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19718 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19719 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19720 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19721 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19722 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19723 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19724 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19725 df_reorganize_refs, df_set_state, df_hard_reg_init,
19726 df_read_modify_subreg_p) New public functions.
19727 * df-core.c: The core dataflow solver and glue routines for rtl
19729 (df_init, df_add_problem, df_set_blocks, df_finish,
19730 df_hybrid_search_forward, df_hybrid_search_backward,
19731 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19732 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19733 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19734 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19735 df_reg_defined, df_find_use, df_reg_used, df_dump,
19736 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19737 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19738 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19739 debug_df_useno, reset_df_after_reload): New functions.
19740 * df-scan.c: The scanning fuctions, once in df.c, completely
19741 rewritten so that they now fully model the functionality of
19742 register usage at the backend.
19743 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19744 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19745 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19746 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19747 df_get_artificial_defs, df_get_artificial_uses,
19748 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19749 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19750 df_refs_delete, df_reorganize_refs, df_set_state,
19751 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19752 df_def_record_1, df_defs_record, df_uses_record,
19753 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19754 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19755 df_record_exit_block_uses, df_hard_reg_init): New functions.
19757 * df-problems.c: Seven concrete dataflow problems that use the
19758 scanning in df-scan.c and are solved by the engine in df-core.c.
19759 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19760 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19761 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19762 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19763 df_ru_free_bb_info, df_ru_alloc,
19764 df_ru_bb_local_compute_process_def,
19765 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19766 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19767 df_ru_transfer_function, df_ru_free, df_ru_dump,
19768 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19769 df_rd_free_bb_info, df_rd_alloc,
19770 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19771 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19772 df_rd_transfer_function, df_rd_free, df_rd_dump,
19773 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19774 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19775 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19776 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19777 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19778 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19779 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19780 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19781 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19782 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19783 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19784 df_urec_mark_reg_use_for_earlyclobber,
19785 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19786 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19787 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19788 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19789 df_chain_create_bb_process_use, df_chain_create_bb,
19790 df_chain_finalize, df_chain_free, df_chains_dump,
19791 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19792 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19793 df_reg_lifetime): New functions.
19794 * df.c: Deleted file.
19795 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19796 consistent with new df api.
19797 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19798 rest_of_handle_sms): Ditto.
19799 * web.c (unionfind_union, union_defs, entry_register, web_main):
19801 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19802 invariant_expr_equal_p, find_defs, check_dependencies,
19803 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19804 free_inv_motion_data, move_loop_invariants): Ditto.
19805 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19806 Update dependencies.
19807 (odf.c): Added defective entry that was deleted later in day.
19808 * sched-deps.c (sched_analyze_1): Ditto.
19810 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19812 * tree-ssa-operands.c (get_expr_operands): Record addressable
19813 variables directly. Do not call add_stmt_operands for CONST_DECLs
19815 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19816 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19818 2006-01-11 Ben Elliston <bje@au.ibm.com>
19820 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19821 function returns true in the positive case.
19823 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19826 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19827 for SI, DI, SF and DF modes. Add alternatives to copy between
19828 general and floating point registers to the 32-bit patterns.
19829 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19830 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19831 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19832 generating 64-bit code.
19833 * config/pa/pa.c (output_move_double): Handle copies between general
19834 and floating registers.
19836 2006-01-10 Stuart Hastings <stuart@apple.com>
19838 * config/i386/i386.md (set_got): Update.
19839 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19840 (builtin_setjmp_receiver): Mach-O support.
19841 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19842 (GOT_SYMBOL_NAME): Define.
19843 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19844 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19845 * config/i386/i386.c (override_options): Revise for Darwin.
19846 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19847 support. (darwin_x86_file_end): New. (output_set_got): Add label
19848 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19849 * config/i386/i386-protos.h (output_set_got): Likewise.
19850 * config/darwin.c (machopic_legitimize_pic_address): Update
19853 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19855 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19856 when MODE isn't BLKmode.
19858 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19860 PR rtl-optimization/25367
19861 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19863 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19866 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19867 for a negative bound.
19869 2006-01-10 Richard Guenther <rguenther@suse.de>
19871 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19872 Never override with anything constraint.
19874 2006-01-10 Jan Beulich <jbeulich@novell.com>
19876 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19877 256 bits when optimize_size.
19879 2006-01-10 Jan Beulich <jbeulich@novell.com>
19881 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19883 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19884 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19887 2006-01-10 Ben Elliston <bje@au.ibm.com>
19889 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19891 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19892 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19893 (USE_FP_FOR_ARG): Reject decimal float modes.
19894 (function_arg_advance): Likewise.
19895 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19896 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19897 point types in AltiVec vectors.
19898 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19899 (rs6000_libcall_value): Likewise.
19901 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19903 * config/xtensa/ieee754-df.S: New file.
19904 * config/xtensa/ieee754-sf.S: New file.
19905 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19906 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19907 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19909 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19911 * config/sh/predicates.md (binary_float_operator,
19912 binary_logical_operator, commutative_float_operator,
19913 equality_comparison_operator, greater_comparison_operator,
19914 less_comparison_operator, logical_operator,
19915 noncommutative_float_operator, shift_operator,
19916 symbol_ref_operand, unary_float_operator): Remove redundant
19919 2006-01-09 Jeff Law <law@redhat.com>
19921 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19922 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19923 now unused arguments. Callers updated.
19924 (eliminate_redundant_computations): Remove now unused arguments,
19926 (local_fold): Remove, no longer used.
19927 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19929 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19930 (simplify_cond): New function.
19931 (forward_propagate_into_cond): Call simplify_cond.
19933 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19935 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19936 (*vec_extractv2di_1_sse): New.
19938 2006-01-09 Ben Elliston <bje@au.ibm.com>
19940 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19942 2006-01-08 Richard Guenther <rguenther@suse.de>
19944 * tree-ssa-structalias.c (get_constraint_for): Remove
19945 anyoffset argument.
19946 (get_constraint_for_component_ref): Likewise.
19947 (do_deref): Likewise.
19948 (get_constraint_for): Likewise.
19949 (do_structure_copy): Likewise.
19950 (handle_ptr_arith): Likewise.
19951 (find_func_aliases): Likewise. Remove unused need_anyoffset
19954 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19955 Kaz Kojima <kkojima@gcc.gnu.org>
19957 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19958 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19959 (EXTRA_CONSTRAINT_C16): Remove.
19960 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19961 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19962 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19963 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19964 constants of SHmedia. Handle nested constant expressions of
19966 (andcosts): Fix the costs for SHmedia constants.
19967 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19968 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19969 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19970 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19971 (movv4hi_i, movv2si_i): Likewise.
19972 (movsi_const): Adjust the second operand of ior so to match with
19973 the Csu constraint.
19974 (movdi_const, movdi_const_32bit): Likewise.
19975 (movdi_const_16bit+1): Don't sign-extend LOW.
19976 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19978 (*double_shori): Fix the split condition. Use GEN_INT instead
19979 of get_int_mode calls. Mask lower 16-bit of the argument of
19981 (sym2GOTPLT): Remove.
19982 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19984 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19985 instead of EXTRA_CONSTRAINT_C16.
19987 2006-01-07 Ian Lance Taylor <ian@airs.com>
19988 David Edelsohn <edelsohn@gnu.org>
19990 PR rtl-optimization/25662
19991 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19992 for constant operands instead of simplify_gen_binary.
19993 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19994 after trying simplify_binary_operation
19996 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19998 * tree.c (iterative_hash_expr): Hash decls based on UID.
20000 2006-01-06 Eric Christopher <echristo@apple.com>
20002 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20003 (TARGET_UNWIND_EMIT): Fix spelling.
20004 * target.h (gcc_target): Add except_table_label.
20005 * except.c (output_function_exception_table): Use.
20006 * varasm.c (default_emit_except_table_label): New.
20007 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20009 (asm_out): Add here.
20010 * output.h (default_emit_except_table_label): Prototype.
20011 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20012 * config/darwin.c (darwin_emit_except_table_label): Define.
20013 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20015 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20017 PR tree-optimization/18527
20018 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20019 number_of_iterations_special, number_of_iterations_exit):
20020 Move base and step of an iv to a single structure. Add
20021 no_overflow flag, and use it in # of iterations analysis.
20022 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20023 folded_casts argument.
20024 (simple_iv): Pass base and step in a structure. Set no_overflow
20026 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20027 Evaluate expensiveness of computing # of iterations instead of
20028 the final expression.
20029 * tree-scalar-evolution.h (affine_iv): New structure.
20030 (simple_iv): Declaration changed.
20031 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20032 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20033 find_givs_in_stmt): Changed due to simple_iv change.
20035 2006-01-06 Jeff Law <law@redhat.com>
20038 * tree-cfg.c (bsi_replace): Rename final argument from
20039 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20040 change (stmt -> orig_stmt).
20041 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20042 (bsi_remove): Add new argument. Remove EH information
20044 (verify_eh_throw_table_statements): New function.
20045 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20047 * tree-optimize.c (execute_free_cfg_annotations): Verify
20048 the EH throw statement table after removing annotations.
20049 * except.h (verify_eh_throw_table_statements): Prototype.
20050 * tree-flow.h (bsi_remove): Update prototype.
20051 * tree-vrp.c (remove_range_assertions): Add new argument to
20053 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20054 * tree-complex.c (expand_complex_div_wide): Likewise.
20055 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20056 * tree-tailcall.c (eliminate_tailcall): Likewise.
20057 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20058 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20059 * tree-nrv.c (tree_nrv): Likewise.
20060 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20061 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20062 (combine_blocks): Likewise.
20063 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20064 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20065 (cleanup_control_flow): Likewise.
20066 (remove_forwarder_block): Likewise.
20067 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20068 * tree-sra.c (sra_replace): Likewise.
20069 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20070 (forward_propagate_single_use_vars): Likewise.
20071 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20072 * tree-inline.c (expand_call_inline): Likewise.
20073 * tree-vect-transform.c (vect_transform_loop): Likewise.
20074 * tree-outof-ssa.c (rewrite_trees): Likewise.
20075 * tree-cfg.c (make_goto_expr_edges): Likewise.
20076 (cleanup_dead_labels): Likewise.
20077 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20078 (bsi_move_before, bsi_move_after): Likewise.
20079 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20080 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20082 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20085 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20087 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20088 on non gimple variables. Also add checks at the top for decls and
20090 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20092 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20093 and IMAGPART_EXPR for creating MUST_DEFs.
20094 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20095 and NAME_MEMORY_TAG separately from the DECLs.
20097 2006-01-06 Richard Guenther <rguenther@suse.de>
20099 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20100 annotation, if necessary.
20101 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20102 redundant calls to update_stmt.
20103 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20106 2006-01-05 Richard Henderson <rth@redhat.com>
20108 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20110 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20112 * c-typeck.c: Update copyright date.
20114 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20116 * c-typeck.c (build_c_cast): Always warn when casting
20117 from a pointer to an integer of different size, even if
20118 the node was constant.
20120 2006-01-05 Richard Guenther <rguenther@suse.de>
20122 PR tree-optimization/22555
20123 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20124 if one structure field is an array.
20125 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20126 operands even if we found a subvar, but ignore VOPs in this
20128 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20130 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20132 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20134 PR middle-end/24998
20135 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20137 2006-01-05 Richard Guenther <rguenther@suse.de>
20138 Diego Novillo <dnovillo@redhat.com>
20140 * tree-pass.h (TODO_remove_unused_locals): Define.
20141 * gimple-low.c (expand_var_p, remove_useless_vars,
20142 pass_remove_useless_vars): Remove. Update all users.
20143 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20144 (remove_unused_locals): New function.
20145 * tree-flow.h (remove_unused_locals): Declare.
20146 * passes.c (execute_todo): Call remove_unused_locals if
20147 TODO_remove_unused_locals is set.
20148 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20149 * tree-ssa-dce.c (pass_dce): Likewise.
20150 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20152 2006-01-05 Richard Guenther <rguenther@suse.de>
20154 * tree-flow.h (struct fieldoff): Decompose field to
20155 type, size and decl.
20156 * tree-ssa-alias.c (create_sft): Take type as parameter.
20157 (create_overlap_variables_for): Store type, size and decl
20158 in the fieldoff structure.
20159 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20160 of struct fieldoff.
20161 (push_fields_onto_fieldstack): Likewise.
20162 (create_variable_info_for): Likewise. Use offset for the
20163 SFT name if the decl is not available.
20165 2006-01-04 Paul Brook <paul@codesourcery.com>
20167 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20169 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20171 * lambda-code.c (can_put_in_inner_loop): Relax
20173 (can_put_after_inner_loop): New function.
20174 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20175 (perfect_nestify): Change to make copies and modify uses.
20177 2006-01-04 Richard Henderson <rth@redhat.com>
20179 Merge from gomp branch:
20180 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20181 via integer constant.
20182 (pragma_lex): Remove.
20183 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20184 rather than parsing it.
20185 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20186 handle_pragma_extern_prefix): Add %< %> quotes.
20187 (registered_pragmas): New.
20188 (c_register_pragma_1): New.
20189 (c_register_pragma): Use it.
20190 (c_register_pragma_with_expansion): Likewise.
20191 (c_invoke_pragma_handler): New.
20192 (init_pragma): Use cpp_register_deferred_pragma directly for
20194 * c-pragma.h (enum pragma_kind): New.
20195 (pragma_handler): New.
20196 (c_invoke_pragma_handler): Declare.
20197 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20199 * c-common.h (c_common_pch_pragma): Update decl.
20200 * Makefile.in (c-parser.o): Update dependencies.
20201 (GTFILES): Add c-pragma.h.
20202 * c-parser.c (struct c_token): Add pragma_kind.
20203 (struct c_parser): Add in_pragma.
20204 (c_lex_one_token): Always initialize keyword and pragma_kind.
20205 Extract data for CPP_PRAGMA.
20206 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20207 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20208 Don't allow CPP_PRAGMA_EOL if in_pragma.
20209 (c_parser_consume_pragma): New.
20210 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20211 (c_parser_skip_to_end_of_parameter): Likewise.
20212 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20213 (c_parser_skip_to_pragma_eol): New.
20214 (c_parser_external_declaration): Handle CPP_PRAGMA.
20215 (c_parser_compound_statement_nostart): Likewise.
20216 (c_parser_statement_after_labels): Likewise.
20217 (c_parser_pragma): New.
20218 (pragma_lex): Likewise.
20219 (c_parser_pragma_pch_preprocess): New.
20220 (c_parser_new): Merge into ...
20221 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20223 2006-01-04 Jeff Law <law@redhat.com>
20226 * tree-cfg.c (bsi_replace): Remove the original statement
20227 from the EH throw statement table.
20229 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20231 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20232 make the prototype extern "C" and add throw ().
20235 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20236 and pos non-negative and pos + len <= 32.
20237 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20238 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20239 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20242 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20243 as well as sizes not multiple of component size.
20246 * function.c (instantiate_expr): New function.
20247 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20248 walk its DECL_VALUE_EXPR with instantiate_expr.
20250 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20251 DW_OP_deref{,_size} if address isn't going to be added.
20253 2006-01-04 Ben Elliston <bje@au.ibm.com>
20255 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20256 * config/fp-bit.c: Likewise.
20258 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20260 * dominance.c: Add comment about why we use DFS numbering
20263 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20264 Richard Henderson <rth@redhat.com>
20266 Merge from gomp-branch:
20267 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20268 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20270 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20272 PR rtl-optimization/25578
20273 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20274 pass a parameter to simplify_shift_const if changing ASHIFTRT
20277 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20279 * builtins.c (get_builtin_sync_mem): New function.
20280 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20281 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20282 Call get_builtin_sync_mem to generate mem rtx.
20284 2006-01-03 Richard Guenther <rguenther@suse.de>
20287 * stmt.c (add_case_node): Make sure to clear overflow flags
20290 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20292 Merge from gomp-branch.
20293 * config/sparc/sync.md: New file.
20294 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20295 UNSPECV_LDSTUB): New constants.
20296 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20297 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20298 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20301 2006-01-03 Roger Sayle <roger@eyesopen.com>
20303 * combine.c (reg_subword_p): New predicate to test whether the
20304 destination of a set refers to a subword/piece of a register.
20305 (try_combine): Generalize the code to merge the setting of a
20306 pseudo to a constant followed by a set of a subword of that
20307 register to a constant.
20309 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20311 * basic-block.h (control_flow_graph): Change the type of
20312 x_label_to_block_map to VEC(basic_block,gc) *.
20313 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20314 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20316 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20317 VEC(basic_block,heap) *.
20318 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20319 ssa_prop_fini): Adjust the uses of cfg_blocks.
20321 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20323 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20325 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20326 hashing trees instead of a pointer hash.
20327 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20328 compare for MEM_EXPR.
20330 PR rtl-optimization/25130
20331 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20332 when comparing MEMs for GCSE
20334 2006-01-03 Ben Elliston <bje@au.ibm.com>
20336 * targhooks.h (default_decimal_float_supported_p): Declare.
20337 * targhooks.c (default_decimal_float_supported_p): Define.
20338 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20339 `default_decimal_float_supported_p'.
20340 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20342 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20344 * combine.c (apply_distributive_law <SUBREG>): Check
20345 TRULY_NOOP_TRUNCATION.
20347 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20349 * dwarf2out.c (have_switched_text_section): Delete.
20350 (have_multiple_function_sections): New.
20351 (have_location_lists): Make 'bool'.
20352 (add_AT_loc_list): Use 'true' not '1'.
20353 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20354 (output_loc_list): Use have_multiple_function_sections.
20355 (output_ranges): Likewise.
20356 (dwarf2out_begin_function): Set have_multiple_function_sections if
20358 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20359 Check function_section rather than DECL_SECTION_NAME.
20360 (dwarf2out_finish): Use have_multiple_function_sections.
20361 Don't clear have_location_lists.
20363 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20364 Jan Hubicka <jh@suse.cz>
20366 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20367 case of conditional jump jumping to the next instruction.
20368 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20369 cases of conditional jump jumping to the next instruction.
20371 2006-01-02 Jan Hubicka <jh@suse.cz>
20373 * i386.c (*_cost): Add COSTS_N_INSNS.
20374 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20376 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20379 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20381 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20383 * config/arm/arm.c (all_fpus): Fix comment typo.
20384 * config/darwin.c: Likewise.
20385 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20386 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20387 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20389 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20391 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20392 (rs6000_split_compare_and_swapqhi): New.
20393 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20394 (sync_compare_and_swapqhi_internal): New.
20395 * config/rs6000/rs6000-protos.h: Declare.