1 2006-12-03 Eric Christopher <echristo@apple.com>
4 * config/t-slibgcc-darwin: Pass -install_name.
5 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
6 libtool. Only pass through options that the linker recognizes.
7 (LINK_SPEC): Update comment. Translate options.
8 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
9 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
11 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
13 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
15 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
18 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
19 operands[1] in insn constraint. Correct type attribute to sselog1.
21 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
24 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
26 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
29 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
30 -march=native if there is no -mtune=*.
32 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
35 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * doc/install.texi: Update recommended MPFR version. Remove
38 obsolete reference to cumulative patch.
40 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
43 * c-decl.c (store_parm_decls_oldstyle): Robustify.
45 2006-11-30 Jan Hubicka <jh@suse.cz>
46 Uros Bizjak <ubizjak@gmail.com>
48 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
49 32bit memcpy/memset decriptors.
50 (decide_alg): With -minline-all-stringops and sizes that are best
51 to be copied via libcall still work hard enough to pick non-libcall
54 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
56 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
58 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
59 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
60 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
61 config/sh/sh4-300.md, config/spu/spu-builtins.def,
62 config/spu/spu-c.c, config/spu/spu-modes.def,
63 config/spu/spu.c, config/spu/spu.md,
64 config/spu/spu_internals.h, config/spu/vmx2spu.h,
65 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
66 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
67 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
68 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
71 * config/i386/i386.c: Fix a comment typo.
73 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
75 * config/spu/spu.c (spu_immediate): Remove trailing comma.
76 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
77 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
79 (floatv4siv4sf2): New.
80 (fix_truncv4sfv4si2): New.
81 (floatunsv4siv4sf2): New.
82 (fixuns_truncv4sfv4si2): New.
90 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
91 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
92 spu_resolve_overloaded_builtin instead of static inline functions.
94 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
96 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
97 type instead of the size of its mode to compute the highest and
98 lowest possible values. Still check the size of the mode before
99 flipping the signedness of the comparison.
101 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
103 * config/spu/predicates.md (spu_mov_operand): Add.
104 * config/spu/spu.c (spu_expand_extv): Remove unused code.
105 (print_operand_address, print_operand): Handle addresses containing AND.
106 (spu_split_load, spu_split_store): Use updated movti pattern.
107 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
108 stores in mov patterns for correct operation of reload.
109 (lq, lq_<mode>, stq, stq_<mode>): Remove.
111 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
114 * c-common.c (check_main_parameter_types): Check for error_mark_node.
116 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
118 * common.opt (ftree-combine-temps): Remove.
119 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
120 (coalesce_ssa_name): Don't check for combine-temps.
121 (coalesce_vars): Remove.
122 (check_replaceable): Use num_imm_uses.
123 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
124 check for combine-temps.
125 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
126 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
127 to register_ssa_partition calls.
128 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
129 (init_var_map, delete_var_map): remove refernces to ref_count.
130 (create_ssa_var_map): Never calculate a ref count.
131 (type_var_init): Remove.
132 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
133 (SSA_VAR_MAP_REF_COUNT): Delete.
134 (create_ssa_var_map): Change Prototype to have no parameters.
135 (version_ref_count): Delete.
136 (register_ssa_partition): Remove 'is_use' paramater and don't set the
138 (type_var_num, type_var, type_var_first_partition,
139 type_var_next_partition, type_var_dump, type_var_delete,
140 type_var_remove_partition, type_var_find, type_var_compact,
141 type_var_decompact): Remove.
143 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
145 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
148 2006-12-01 Richard Guenther <rguenther@suse.de>
151 * dwarf2out.c (struct pubname_struct): Make name const.
152 (add_pubtype): Do not xstrdup identifiers.
154 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
156 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
157 multiword accesses are in range.
159 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
161 PR tree-optimization/29921
162 * tree-ssa-ccp.c (canonicalize_float_value): New function.
163 (set_lattice_value): Use canonicalize_float_value.
165 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
167 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
168 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
169 (spu_cpu_cpp_builtins): Remove.
170 (spu_override_options): Don't set warn_main.
171 (spu_force_reg): Move from spu-c.c.
172 (spu_check_builtin_parm): Likewise.
173 (expand_builtin_args): Likewise.
174 (spu_expand_builtin_1): Likewise.
175 (spu_expand_builtin): Likewise.
176 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
177 warn_main and targetm.resolve_overloaded_builtin.
178 * config/spu/spu-c.c (spu_builtin_range): Remove.
179 (spu_check_builtin_parm): Remove.
180 (expand_builtin_args): Remove.
181 (spu_expand_builtin_1): Remove.
182 (spu_expand_builtin): Remove.
183 (spu_cpu_cpp_builtins): Moved from spu.c
184 (spu_force_reg): Remove.
186 2006-12-01 Joseph Myers <joseph@codesourcery.com>
187 David Edelsohn <edelsohn@gnu.org>
190 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
191 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
192 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
193 HARD_REGNO_NREGS_WITH_PADDING): Define.
194 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
195 HARD_REGNO_NREGS_WITH_PADDING): Define.
196 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
197 Use new macros to detect modes with holes; do not look at integer
199 (subreg_offset_representable_p): Check for and disallow cases
200 where the modes use different numbers of bits from registers.
201 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
202 constant for soft-float.
203 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
205 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
207 * config/rs6000/rs6000.md (movtf): Allow soft-float.
208 (movtf_softfloat): New.
210 2006-11-30 Richard Sandiford <richard@codesourcery.com>
212 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
215 2006-11-30 Andrew Macleod <amacleod@redhat.com>
217 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
218 (COALESCE_HASH_FN): New. Define hash function.
219 (partition_pair_map_hash): New. Hash value for a partition pair.
220 (partition_pair_map_eq): New. Equality for hash pairs.
221 (create_coalesce_list): Create hash table.
222 (delete_coalesce_list): Free hash table.
223 (find_partition_pair): Find/create pairs in hash table.
224 (compare_pairs): Sort pairs in ascending order now.
225 (num_coalesce_pairs): New. Number of pairs in hash table.
226 (struct partition_pair_iterator): Iterator struct for pair table.
227 (first_partition_pair): Iterator function for first pair.
228 (end_partition_pair_p): Iterator function for end of iteration.
229 (next_partition_pair): Iterator function for next pair.
230 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
231 (sort_coalesce_list): Sort pairs from hash table into an array.
232 (pop_best_coalesce): Take pairs from the array.
233 (dump_coalesce_list): Update to use hash table or sorted array.
234 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
235 (struct coalesce_list_d): Add hash table related fields.
237 2006-11-30 Jan Hubicka <jh@suse.cz>
240 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
241 memmove/bcopy->memcpy conversion.
243 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
245 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
246 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
247 Default is the largest alignment supported for 32-bit ELF and
248 representable on a 32-bit host.
250 2006-11-30 Janis Johnson <janis187@us.ibm.com>
252 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
254 2006-11-30 Jan Hubicka <jh@suse.cz>
256 * tree-ssa-operands.h (struct ssa_operands): New.
257 * tree-flow-inline.h (gimple_ssa_operands): New function.
258 * tree-flow.h: (struct gimple_df): Add ssa_operands.
259 * Makefile.in: Remove gt-tree-ssa-operands.h
260 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
261 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
262 operand_memory, operand_memory_index, ops_active): Remove statics.
263 (ALLOC_OPTYPE): Update.
264 (operand_build_sort_virtual): Update.
265 (ssa_operands_active): Update.
266 (init_ssa_operands): Update.
267 (fini_ssa_operands): Update.
268 (ssa_operand_alloc): Update.
269 (INITIALIZE_USE): Update.
270 (finalize_ssa_use_ops): Update.
271 (finalize_ssa_v_may_def_ops): Update.
272 (finalize_ssa_vuse_ops): Update.
273 (finalize_ssa_v_must_def_ops): Update.
275 2006-11-30 Richard Guenther <rguenther@suse.de>
277 * tree-vectorizer.h (vectorizable_function): Export.
278 * tree-vect-transform.c (vectorizable_function): Likewise.
279 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
280 type_in to scalar type in recognition of squaring.
281 Make sure the target can vectorize sqrt in recognition
282 of sqrt, set type_in to vector type in this case.
284 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
286 * config/i386/i386.md (R10_REG): New constant.
287 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
288 (ix86_emit_restore_regs_using_mov): Ditto.
289 (ix86_expand_call): Ditto.
290 (x86_output_mi_thunk): Ditto. Also use R10_REG.
292 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
294 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
295 * alias.c (canon_true_dependence): Update comment.
297 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
299 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
300 at the end of a diagnostics message.
302 * alloc-pool.c (pool_free): Postpone clearing the pool entry
303 until after asserting that it was allocated in the right pool.
305 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
306 successor edge information as well. Make output of live regs
307 on exit consistent with live regs on entry.
309 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
312 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
313 insn patterns for TARGET_80387.
314 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
315 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
316 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
317 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
318 Generate truncxf<mode>2 insn patterns for strict SSE math.
320 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
322 * config/i386/i386.md (movsf_1): Enable pattern for standard
323 80387 constants before reload when optimizing for size.
324 (*movdf_nointeger, *movdf_integer): Ditto.
325 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
326 80387 constants before reload when not optimizing for size.
328 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
329 extension of XFmode input operands.
331 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
333 * config/spu/crt0.c (__dso_handle): Define.
335 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
337 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
338 when clearing the used flags.
340 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
342 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
344 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
347 * config/spu/spu.md (extend_compare<mode>): New pattern.
348 (extend_compare): Change to expand and use the above pattern.
350 2006-11-29 Janis Johnson <janis187@us.ibm.com>
352 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
354 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
355 (DFP_INIT_ROUNDMODE): Define.
356 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
357 * mklibgcc.in: Fix dependencies for dfp-bit.c.
359 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
361 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
362 Update documentation.
363 (associate_line_notes_with_blocks): Kill.
364 (extend_bb): Remove basic block argument, put void instead.
365 Remove line number handling for each bb.
366 (save_line_notes): Kill.
367 (restore_line_notes): Kill.
368 (sched_init): Remove line_note_head initialization.
369 Change extend_bb call.
370 (sched_finish): Remove free of line_note_head.
371 (add_block): Change extend_bb call.
372 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
373 rm_line_notes and restore_line_notes calls.
374 (schedule_ebbs): Remove rm_redundant_line_notes.
375 * sched-int.h (struct haifa_insn_data): Remove line_note.
376 (save_line_notes): Remove declaration.
377 (restore_line_notes): Remove declaration.
378 * modulo-sched.c (loop_canon_p): Update debug info printing
379 by using insn locators instead of line note.
380 (sms_schedule): Update debug info printing, by using insn
381 locators instead of line note.
382 * sched-rgn.c (debug_dependencies): Remove handling of case
383 n>0 (line number), since it's a dead code.
384 (schedule_region): Remove save_line_notes and
385 restore_line_notes calls.
387 2006-11-29 Joseph Myers <joseph@codesourcery.com>
389 * config/rs6000/predicates.md (gpc_reg_operand): Check
391 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
392 SImode subregs of SPE vectors.
393 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
394 * jump.c (true_regnum): Require subregs to satisfy
395 subreg_offset_representable_p.
397 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
398 Steven Bosscher <stevenb.gcc@gmail.com>
400 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
401 since it no longer exists.
403 2006-11-29 Duncan Sands <baldrick@free.fr>
405 PR tree-optimization/23744
406 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
408 2006-11-29 Duncan Sands <baldrick@free.fr>
410 PR tree-optimization/23744
411 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
413 2006-11-29 Duncan Sands <baldrick@free.fr>
415 PR tree-optimization/23744
416 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
418 2006-11-29 Jie Zhang <jie.zhang@analog.com>
420 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
422 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
424 * sh.opt (minline-ic_invalidate): New option.
425 (musermode): Adjust comment.
426 * sh.c (sh_initialize_trampoline): Emit library call unless
427 is set; if it is set, don't emit library call if we can use icbi
429 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
430 icbi for TARGET_SH4_300.
431 * t-sh (LIB1ASMFUNCS_CACHE): Set.
432 * doc/invoke.texi: Document -minline-ic_invalidate; Update
433 -musermode documentation.
435 2006-11-29 Jim Tison <jtison@us.ibm.com>
437 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
438 __gthread_recursive_mutex_init): Define.
440 2006-11-29 Joseph Myers <joseph@codesourcery.com>
442 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
443 STRICT_ALIGNMENT and the type is more aligned than the saved
444 registers, copy via a temporary.
446 2006-11-28 Andrew Pinski <pinskia@gmail.com>
449 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
452 2006-11-28 Bob Wilson <bob.wilson@acm.org>
454 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
456 2006-11-28 Jan Hubicka <jh@suse.cz>
458 Privatize SSA variables into gimple_df.
460 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
461 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
462 gimple_nonlocal_all): New accessors.
463 (first_referenced_var): Update.
464 (mark_stmt_modified): Update.
465 (is_call_clobbered): Update.
466 (mark_call_clobbered): Update.
467 (clear_call_clobbered): Update.
468 (mark_non_addressable): Update.
469 * tree-vrp.c (get_value_range): Update.
470 * tree-into-ssa.c (in_ssa_p): Kill.
471 (get_default_def_for): Update.
472 (rewrite_into_ssa): Update.
473 * tree-complex.c (init_parameter_lattice_values): Update.
474 (update_complex_assignment): Update.
475 (update_parameter_components): Update.
476 (expand_complex_libcall): Update.
477 (expand_complex_operations_1): Update.
478 * tree-tailcall.c (arg_needs_copy_p): Update.
479 (add_virtual_phis): Update.
480 (tree_optimize_tail_calls_1): Update.
481 * tree-ssa-dse.c (memory_ssa_name_same): Update.
482 * tree-ssa-copyrename.c
483 (copy_rename_partition_coalesce): Update.
484 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
485 * tree-ssa-propagate.c (set_rhs): Update.
486 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
487 addressable_vars, global_var):Kill.
488 (set_initial_properties): Update.
489 (init_alias_info): Update.
490 (finalize_ref_all_pointers): Update.
491 (setup_pointers_and_addressables): Update.
492 (maybe_create_global_var): Update.
493 (create_global_var): Update.
494 (dump_points_to_info): Update.
495 * function.h (struct gimple_df): Forward declare.
496 (struct function): Add GIMPLE_DF field.
497 * gimplify.c (force_gimple_operand): Update.
498 * tree-dfa.c (referenced_vars, default_defs): KIll.
499 (make_rename_temp): Update.
500 (dump_variable): Update.
501 (referenced_var_lookup): Update.
502 (referenced_var_check_and_insert): Update.
503 (default_def): Rename to ...
504 (gimple_default_def): ... this one; accept cfun argument.
505 (set_default_def): Update.
506 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
507 (cleanup_control_flow): Update.
508 * tree-ssa-pre.c (compute_avail): Update
509 * tree-ssa-live.c (calculate_live_on_entry): Update.
510 * tree-ssa.c (verify_use): Update.
511 (verify_call_clobbering): Update.
512 (verify_call_clobbering): Update.
513 (init_tree_ssa): Update.
514 (delete_tree_ssa): Update.
515 * tree-outof-ssa.c (coalesce_ssa_name): Update.
516 (rewrite_out_of_ssa): Update.
517 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
518 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
520 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
521 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
522 addressable_vars, aliases_computed_p): Kill.
523 (default_def): Rename to...
524 (gimple_default_def): ... this one.
525 (defaule_def_fn): Kill.
526 (num_referenced_vars, ssa_names, num_ssa_names): Update.
527 * tree-ssa-structalias.c (nonlocal_all): Kill.
528 (get_constraint_exp_from_ssa_var): Update.
529 (create_nonlocal_var): Update.
530 (get_constraint_for): Update.
531 (update_alias_info): Update.
532 (find_global_initializers): Update.
533 (intra_create_variable_infos): Update.
534 (intra_create_variable_infos):
535 (find_what_p_points_to): Update.
536 (init_alias_heapvars): Update.
537 * tree-cfg.c (remove_bb): Update.
538 (gimplify_val): Update.
539 * tree-ssa-reassoc.c (get_rank): Update.
540 (init_reassoc): Update.
541 * tree-ssanames.c: Do not include gt-tree-ssanames.h
542 (ssa_names, free_ssanames): Kill.
543 (init_ssanames): Update.
544 (make_ssa_name): Update.
545 (release_ssa_name): Update.
546 (release_defs): Update.
547 (replace_ssa_name_symbol): Update.
548 * tree-ssa-operands.c (access_can_touch_variable): Update.
549 (add_virtual_operand): Update.
550 (add_call_clobber_ops): Update.
551 (add_call_read_ops): Update.
552 (get_call_expr_operands): Update.
553 (get_asm_expr_operands): Update.
555 2006-11-28 Jan Hubicka <jh@suse.cz>
557 * builtins.c: Include tree-flow.h.
558 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
559 assignment; convert memmove to memcpy for sizes greater than 1 where
560 alignment of operands prohibit the partial overlap.
562 2006-11-28 Jan Hubicka <jh@suse.cz>
564 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
565 * cgraph.c (dump_cgraph_node): Dump stack usage.
566 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
567 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
568 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
569 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
570 (cgraph_check_inline_limits): Limit stack growth.
571 * cfgexpand.c: Include tree-inline.h.
572 (account_stack_vars): New function.
573 (expand_one_var): New param to just account the stack; return estimated
575 (expand_used_vars_for_block): Update call of expand_one_var.
576 (account_used_vars_for_block): New function.
577 (estimated_stack_frame_size): Likewise.
578 (init_vars_expansion, fini_vars_expansion): Break out from..
579 (expand_used_vars): ... here.
580 * tree-inline.h (estimated_stack_frame_size): Declare.
581 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
583 2006-11-28 Richard Guenther <rguenther@suse.de>
585 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
586 unsigned long for printing OBJECT_SIZE.
588 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
590 * alias.c (init_alias_analysis): Remove simplification loop
591 after propagating pointers.
593 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
595 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
598 2006-11-27 Bob Wilson <bob.wilson@acm.org>
600 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
602 2006-11-27 Roger Sayle <roger@eyesopen.com>
603 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
605 * c-common.c (constant_fits_type_p): Delete.
606 (unsigned_conversion_warning): Delete.
607 (conversion_warning): Integrate Wconversion warning from
608 unsigned_conversion_warning.
609 (convert_and_check): Integrate Woverflow warning from
610 unsigned_conversion_warning. Reorganize and simplify to avoid
611 dependence upon the middle-end setting TREE_OVERFLOW on integral
612 conversions, by using int_fits_type_p directly.
614 2006-11-27 Tobias Burnus <burnus@net-b.de>
616 * doc/invoke.texi: Fixed typo.
618 2006-11-27 Michael Matz <matz@suse.de>
619 Andreas Krebbel <krebbel1@de.ibm.com>
622 * config/s390/predicates.md (larl_operand): Check addend of larl
623 operand to be in range of -/+2GB.
624 * config/s390/s390.c (legitimize_pic_address): Likewise.
625 Changed type of variable even to HOST_WIDE_INT.
627 2006-11-27 Jan Hubicka <jh@suse.cz>
629 * expr.c (emit_block_move_via_libcall): Export.
630 (clear_storage_via_libcall): Rename to ...
631 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
632 (clear_storage): Update to set_storage_via_libcall.
633 * expr.h (emit_block_move_via_libcall): Declare
634 * config/i386/i386.h (stringop_alg): New enum.
635 (MAX_STRINGOP_ALGS): New constant.
636 (stringop_algs): New struct.
637 (processor_costs): Add memcpy/memset descriptors.
638 (TARGET_REP_MOVEL_OPTIMAL): Remove.
639 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
640 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
642 * config/i386/i386.opt (minline-stringops-dynamically,
643 mstringop-strategy): New
645 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
646 (ix86_expand-clrmem): Rename to ...
647 (ix86_expand_setmem): ... this one; update prototype.
648 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
649 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
650 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
651 nocona_cost, core2_cost, generic_cost, generic64_cost,
652 generic32_cost): Add memcpy/memset descriptors.
653 (x86_rep_movl_optimal): Remove.
654 (stringop_alg): New static variable.
655 (ix86_expand_aligntest): Handle predictions.
656 (override_options): Add strgop_alg handling.
657 (predict_jump): New function.
658 (scale_counter): New function.
659 (expand_set_or_movmem_via_loop): New function.
660 (expand_movmem_via_rep_mov): New function.
661 (expand_setmem_via_rep_stots): New function.
662 (emit_strmov): New function.
663 (expand_movmem_epilogue): New function.
664 (expand_setmem_epilogue_via_loop): New function.
665 (expand_setmem_epilogue): New function.
666 (expand_movmem_prologue): New function.
667 (expand_setmem_prologue): New function.
668 (decide_alg): New function.
669 (decide_alignment): New function.
670 (ix86_exand_movmem): Rewrite.
671 (promote_duplicated_reg): New function.
672 (ix86_expand_clrmem): Rename to ...
673 (ix86_expand_setmem): ... this one. Rewrite.
675 * invoke.texi (minline-stringops-dynamically): New command line option.
676 (mstringop-strategy): Likewise.
678 2006-11-27 Jan Hubicka <jh@suse.cz>
680 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
681 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
682 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
683 * insn-notes.def (FUNCTION_END): Remove.
684 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
685 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
687 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
688 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
689 * cfglayout.c (duplicate_insn_chain): Don't worry about
692 2006-11-27 Richard Guenther <rguenther@suse.de>
693 Zdenek Dvorak <dvorakz@suse.cz>
695 * target.h (struct gcc_target): Add builtin_vectorized_function
697 * target-def.h (TARGET_VECTORIZE): Likewise.
698 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
699 Document new target hook.
700 * targhooks.h (default_builtin_vectorized_function): Declare.
701 * targhooks.c (default_builtin_vectorized_function): Define.
702 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
703 (vectorizable_call): Declare.
704 * tree-vect-analyze.c (vect_analyze_operations): Call
706 * tree-vect-transform.c (vectorizable_function): New static function.
707 (build_vectorized_function_call): Likewise.
708 (vectorizable_call): New function.
709 (vect_transform_stmt): Handle vectorizable calls.
711 2006-11-27 Richard Guenther <rguenther@suse.de>
714 * builtins.c (expand_builtin_pow): Optimize non integer valued
715 constant exponents using sqrt or cbrt if possible. Always fall back
716 to expanding via optabs.
718 2006-11-27 Ira Rosen <irar@il.ibm.com>
720 PR tree-optimization/22372
721 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
722 the type of the base address.
723 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
724 it in the data-ref pointer creation.
725 (vect_init_vector): Add an argument, type of the init vector. Use it in
727 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
728 (get_initial_def_for_reduction): Likewise.
729 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
731 (vectorizable_assignment, vect_permute_store_chain): Likewise.
732 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
733 correct type in stmt creation.
734 (vect_setup_realignment): Use the correct type in stmt creation.
735 (vect_permute_load_chain): Change type of MODIFY_EXPR to
737 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
738 of MODIFY_EXPR to void_type_node.
739 (vectorizable_condition): Change type of MODIFY_EXPR to
741 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
744 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
747 2006-05-08 Uros Bizjak <uros@kss-loka.si>
748 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
749 standard 80387 constants, raise the cost to prevent
750 compress_float_constant() to generate load from memory.
752 * config/i386/i386.md: Add new splitter pattern to split
753 float_extended load of constant from constant pool into
756 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * doc/install.texi: Move GMP/MPFR configure options from Fortran
759 section to general section. Remove documentation for
760 --with-mpfr-dir and --with-gmp-dir, add documentation for
761 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
764 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
766 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
768 * testsuite/gcc.dg/ipa/ipa-6.c: New.
770 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
772 PR tree-optimization/29122
773 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
774 for the new version. Assign NULL to DECL_RTL of the new version.
776 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
778 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
780 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
782 * cse.c (cse_altered): Remove.
783 (record_jump_equiv): Make true/false argument a bool instead
785 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
786 where appropriate. Emit a new jump before the existing one
787 instead of after so that delete_insn_and_edges removes the
788 dead edges properly. Check any_condjump_p before calling
790 (cse_basic_block): Check any_condjump_p before calling
792 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
794 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
796 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
797 -ffixed-line-length-* options.
799 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
801 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
802 (fprem1xf4): Rename to fprem1xf4_i387.
804 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
805 Rename patterns to fmod<mode>3. Use general_operand operand
806 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
807 patterns for SSE math.
808 (remaindersf3, remainderdf3): Ditto.
810 2006-11-25 Joseph Myers <joseph@codesourcery.com>
812 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
813 inside start_sequence / end_sequence pair.
815 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
817 * jump.c (mark_all_labels): Work in cfglayout mode.
818 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
819 when in cfglayout mode, because there are no dead jumptables
821 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
823 (commit_edge_insertions): Do not allow insertion of instructions
824 with control flow insns when in cfglayout mode.
826 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
828 * tree-vrp.c (execute_vrp): Do not pass loops structure through
830 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
831 unswitch_loop): Ditto.
832 * tree-loop-linear.c (linear_transform_loops): Ditto.
833 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
834 tree_ssa_lim): Ditto.
835 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
836 free_numbers_of_iterations_estimates): Ditto.
837 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
838 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
839 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
840 remove_path, add_loop, loopify, unloop, fix_loop_placements,
841 place_new_loop, duplicate_loop, duplicate_subloops,
842 update_single_exit_for_duplicated_loops, copy_loops_to,
843 duplicate_loop_to_header_edge, create_preheaders,
844 force_single_succ_latches, loop_version, fix_loop_structure):
846 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
847 tree_unroll_loop): Ditto.
848 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
849 * tree-scalar-evolution.c (select_loops_exit_conditions,
850 scev_initialize, scev_analysis): Ditto.
851 * tree-scalar-evolution.h (scev_initialize): Ditto.
852 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
853 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
854 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
855 * modulo-sched.c (sms_schedule): Ditto.
856 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
857 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
858 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
859 * ifcvt.c (if_convert): Ditto.
860 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
861 canonicalize_loop_induction_variables,
862 canonicalize_induction_variables,
863 tree_unroll_loops_completely, remove_empty_loops): Ditto.
864 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
865 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
866 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
867 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
868 tree_ssa_loop_done): Ditto.
869 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
870 estimate_bb_frequencies): Ditto.
871 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
872 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
873 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
874 decide_unrolling_and_peeling, peel_loop_completely,
875 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
876 peel_loop_simple, unroll_loop_stupid): Ditto.
877 * loop-doloop.c (doloop_optimize_loops): Ditto.
878 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
879 * loop-invariant.c (move_loop_invariants): Ditto.
880 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
881 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
882 tree_ssa_prefetch_arrays): Ditto.
883 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
885 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
886 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
887 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
888 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
889 verify_loop_structure): Ditto.
890 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
891 canonicalize_induction_variables, tree_unroll_loops_completely,
892 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
893 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
894 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
895 tree_unroll_loop, linear_transform_loops): Declaration changed.
896 * basic-block.h: Remove declaration of struct loops.
897 * cfghooks.h (struct cfg_hooks): Change type of
898 cfg_hook_duplicate_loop_to_header_edge.
899 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
900 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
901 vect_transform_loop): Declaration changed.
902 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
903 * cfgloop.h (flow_loops_dump, fix_loop_structure,
904 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
905 cancel_loop_tree, create_preheaders, force_single_succ_latches,
906 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
907 loopify, loop_version, remove_path, unswitch_loops,
908 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
911 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
913 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
914 (X87MODEF): New mode macro.
915 (ssemodefsuffix): New mode attribute.
916 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
917 (sqrt_extend<mode>xf2_i387): New insn pattern.
918 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
919 insn and truncate result back to original mode using
920 UNSPEC_TRUNC_NOOP truncation.
921 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
922 ssemodefsuffix mode attribute.
923 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
924 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
925 (*sqrtextenddfxf2_i387): Remove insn patterns.
927 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
930 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
932 2006-11-24 Jakub Jelinek <jakub@redhat.com>
935 * c-tree.h (c_maybe_initialize_eh): New prototype.
936 * c-decl.c (finish_decl): Move EH initialization...
937 (c_maybe_initialize_eh): ... here. New function.
938 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
939 if not #pragma omp atomic.
942 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
943 or UNION_TYPE inner types.
945 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
948 * ipa-pure-const.c (check_tree): If the original tree
949 is volatile return early and say the function is not pure
950 nor const. Remove the volatile check for writes.
951 (analyze_function): Print out the result of the local
954 2006-11-24 Joseph Myers <joseph@codesourcery.com>
956 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
958 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
959 * config/rs6000/rs6000.c (rs6000_override_options): Use
960 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
963 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
965 * config/s390.c (s390_emit_compare_and_swap): New function.
966 (s390_expand_cs_hqi, s390_expand_atomic): Call
967 s390_emit_compare_and_swap.
969 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
971 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
973 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
977 * c-common.c (conversion_warning): New.
978 (convert_and_check): Call conversion_warning unless there is an
980 * doc/invoke.texi (-Wconversion): Update description.
982 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
984 * tree-ssa-alias.c (tree_pointer_compare): New function.
985 (compact_name_tags): New function.
986 (group_aliases): Call compact_name_tags.
988 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
990 * real.h (real_isinteger): Declare.
991 * real.c (real_isinteger): Define.
992 * builtins.c (integer_valued_real_p): Use it.
994 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
997 * c.opt (Wtraditional-conversion): New.
998 (Wconversion): Update description.
999 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1000 type conversions different from what would happen in the absence
1001 of prototype are now handled by Wtraditional-conversion.
1002 * doc/invoke.texi (Wtraditional-conversion): New.
1003 (Wconversion): Update description.
1004 * doc/trouble.texi (Wconversion): Replace Wconversion by
1005 Wtraditional-conversion.
1007 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1009 * predict.c (tree_estimate_probability): Check to make
1010 sure current_loops is non null before calling flow_loops_dump.
1012 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1014 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1016 2006-11-23 David Ung <davidu@mips.com>
1018 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1020 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1021 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1022 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1023 high part of FP register when in 64-bit FP register mode. Similarly
1024 use gen_mfhc1 to load high part of FP register.
1025 (override_options): Allow -mgp32 and -mfp64 combination if
1026 ISA_HAS_MXHC1 (currently for O32 only).
1027 (mips_cannot_change_mode_class): If floating-point registers are
1028 bigger than word size. disallow conversion of float register from a
1029 large integer mode to a float mode smaller than the float register
1031 (mips_class_max_nregs): Handle float registers case seperately.
1032 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1034 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1035 (movdf_hardfloat_32bit): Similarly.
1036 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1037 support a full 64-bit fpu.
1038 (mthc1): New pattern to generate MTHC1 instruction.
1039 (mfhc1): New pattern to generate MFHC1 instruction.
1040 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1041 option for the MIPS32R2 and mention its use under O32 ABI.
1043 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1045 * var-tracking.c (emit_note_insn_var_location): Take care not to
1046 cause verify_flow_info failures.
1048 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1050 * tree-ssa-structalias.c: Remove edge weights in favor of just
1051 processing them as complex constraints.
1052 (struct constraint_graph): Remove weighted succs and preds. Rename
1053 nonweighted succs and preds.
1054 (constraint_edge): Removed.
1055 (constraint_edge_t): Ditto.
1056 (constraint_edge_pool): Ditto.
1057 (new_constraint_edge): Ditto.
1058 (constraint_edge_equal): Ditto.
1059 (constraint_edge_less): Ditto.
1060 (constraint_edge_vec_find): Ditto.
1061 (erase_self_graph_edge): Ditto.
1062 (add_graph_edge): Removed.
1063 (get_graph_weights): Ditto.
1064 (allocate_graph_weights): Ditto.
1065 (valid_weighted_graph_edge): Ditto
1066 (bitmap_other_than_zero_bit_set): Ditto.
1067 (int_add_graph_edge): Renamed to add_graph_edge.
1068 (clear_edges_for_node): Remove support for weighted edges.
1069 (merge_graph_nodes): Ditto.
1070 (valid_graph_edge): Ditto.
1071 (build_constraint_graph): Ditto.
1073 (collapse_nodes): Ditto.
1074 (process_unification_queue): Ditto.
1075 (topo_visit): Ditto.
1076 (do_ds_constraint): Ditto.
1077 (perform_var_subsitution): Ditto.
1078 (solve_graph): Ditto.
1079 (init_alias_vars): Ditto.
1080 (delete_points_to_sets): Ditto.
1081 (do_complex_constraint): Support offsetted copies here.
1083 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1085 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1087 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1089 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1092 2006-11-23 Ben Elliston <bje@au.ibm.com>
1094 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1096 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1098 PR tree-optimization/29921
1099 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1100 signed and unsigned zero equal.
1102 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1104 * config/rs6000/rs6000.c (get_store_dest): New.
1105 (adjacent_mem_locations): Use get_store_dest() to get
1106 the rtl of the store destination.
1108 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1110 * config/rs6000/spe.md (SPE64): New mode macro.
1111 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1113 (mov_si<mode>_e500_subreg0_2): New.
1114 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1116 (mov_si<mode>_e500_subreg4_2): New.
1117 * config/rs6000/predicates.md (input_operand): Do not allow
1118 invalid E500 subregs.
1119 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1121 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1122 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1123 involving vector modes if TARGET_SPE.
1125 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1128 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1129 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1131 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1133 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1134 mem_i_address_operand): New predicates.
1135 * config/bfin/bfin.c (bfin_issue_rate): New function.
1136 (TARGET_SCHED_ISSUE_RATE): New macro.
1137 * config/bfin/bfin.md (addrtype): New attribute.
1138 (slot0, slot1, slot2, store, pregs): New cpu_units.
1139 (core): Now a define_reservation.
1140 (alu): Remove some insn types from this reservation.
1141 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1143 (dummy reservation): Don't trigger for mcld insns.
1144 (absence_sets): Two new absence sets to enforce slot ordering.
1145 (popsi_insn): Set addrtype.
1147 2006-11-22 Ira Rosen <irar@il.ibm.com>
1149 * doc/c-tree.texi: Document new tree codes.
1150 * doc/md.texi: Document new optabs.
1151 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1153 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1154 * optabs.h (optab_index): Add new.
1155 (vec_extract_even_optab, vec_extract_odd_optab,
1156 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1157 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1158 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1160 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1161 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1162 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1163 along with macros for their access.
1164 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1166 * tree-vect-analyze.c (toplev.h): Include.
1167 (vect_determine_vectorization_factor): Fix indentation.
1168 (vect_insert_into_interleaving_chain,
1169 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1170 (vect_analyze_data_ref_dependence): Add argument for interleaving
1171 check. Check for interleaving if it's true.
1172 (vect_check_dependences): New function.
1173 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1174 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1175 (vect_update_misalignment_for_peel): Update for interleaving.
1176 (vect_verify_datarefs_alignment): Check only first data-ref for
1178 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1179 only first data-ref for interleaving.
1180 (vect_analyze_data_ref_access): Check interleaving, update
1182 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1183 with different parameters.
1184 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1185 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1186 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1187 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1188 Update step in case of interleaving.
1189 (vect_strided_store_supported, vect_permute_store_chain): New
1191 (vectorizable_store): Handle strided stores.
1192 (vect_strided_load_supported, vect_permute_load_chain,
1193 vect_transform_strided_load): New functions.
1194 (vectorizable_load): Handle strided loads.
1195 (vect_transform_stmt): Add argument. Handle strided stores. Check
1196 that vectorized stmt exists for patterns.
1197 (vect_gen_niters_for_prolog_loop): Update calculation for
1199 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1200 whole chain vectorization.
1201 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1202 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1203 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1204 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1205 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1207 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1209 * cse.c (enum taken): Remove PATH_AROUND.
1210 (addr_affects_sp_p, invalidate_skipped_set,
1211 invalidate_skipped_block): Remove.
1212 (cse_end_of_basic_block): Remove skip_blocks and related code.
1213 (cse_main): Don't test for flag_cse_skip_blocks.
1214 Update cse_end_of_basic_block call.
1215 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1216 code to lengthen the path if a jump was simplified.
1218 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1220 PR rtl-optimization/29924
1221 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1222 (unroll_loop_runtime_iterations): Assert that the argument passed to
1223 split_edge_and_insert is not NULL.
1224 * loop-doloop.c (add_test): Ditto.
1226 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1228 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1230 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1231 * cfgloopmanip.c (update_single_exits_after_duplication,
1232 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1233 * tree-scalar-evolution.c (get_loop_exit_condition,
1234 get_exit_conditions_rec, loop_closed_phi_def,
1235 number_of_iterations_in_loop, scev_const_prop): Ditto.
1236 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1237 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1239 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1241 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1242 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1243 slpeel_make_loop_iterate_ntimes,
1244 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1245 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1247 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1248 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1249 vect_analyze_loop_form): Ditto.
1250 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1251 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1252 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1253 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1254 vect_transform_loop): Ditto.
1255 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1256 (single_exit, set_single_exit): New functions.
1257 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1258 (single_exit, set_single_exit): Declare.
1259 * doc/loop.texi: Undocument single_exit field. Document single_exit
1262 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1264 PR tree-optimization/29902
1265 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1266 any involved ssa name appears in abnormal phi node.
1268 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1270 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1271 (xtensa_const_ok_for_letter_p): Delete.
1272 (xtensa_extra_constraint): Delete.
1273 (override_options): Delete xtensa_char_to_class initialization.
1274 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1275 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1276 (EXTRA_CONSTRAINT): Delete.
1277 * config/xtensa/xtensa.md: Include constraints.md.
1278 (call_internal): Combine alternatives.
1279 (call_value_internal): Likewise, and remove invalid constraints.
1280 * config/xtensa/constraints.md: New file.
1281 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1282 (xtensa_extra_constraint): Delete.
1283 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1286 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1288 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1289 of conversion that doesn't fit.
1291 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1292 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1293 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1295 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1297 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1299 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1301 2006-11-21 Richard Guenther <rguenther@suse.de>
1303 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1304 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1305 vect_recog_pow_pattern.
1306 (vect_recog_pow_pattern): New function.
1308 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1310 * config/bfin/bfin.opt (mstack-check-l1): New.
1311 * doc/invoke.texi (Blackfin Options): Document it.
1312 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1313 stack bounds in L1 memory if the new option is enabled.
1314 (override_options): Don't allow combinations of -fstack-limit and
1316 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1319 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1321 (bfin_register_move_cost): Bump costs if trying to move plain
1322 integer values through accumulators.
1324 2006-11-21 Ben Elliston <bje@au.ibm.com>
1326 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1328 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1329 Russell Olsen <Russell_Olsen@playstation.sony.com>
1330 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1331 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1332 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1333 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1334 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1336 * config.gcc: Add target for SPU.
1337 * config/spu/constraints.md: New file.
1338 * config/spu/crt0.c: New file.
1339 * config/spu/crtend.c: New file.
1340 * config/spu/crti.asm: New file.
1341 * config/spu/crtn.asm: New file.
1342 * config/spu/float_unsdidf.c: New file.
1343 * config/spu/float_unssidf.c: New file.
1344 * config/spu/predicates.md: New file.
1345 * config/spu/spu-builtins.def: New file.
1346 * config/spu/spu-builtins.h: New file.
1347 * config/spu/spu-builtins.md: New file.
1348 * config/spu/spu-c.c: New file.
1349 * config/spu/spu-elf.h: New file.
1350 * config/spu/spu-modes.def: New file.
1351 * config/spu/spu-protos.h: New file.
1352 * config/spu/spu.c: New file.
1353 * config/spu/spu.h: New file.
1354 * config/spu/spu.md: New file.
1355 * config/spu/spu.opt: New file.
1356 * config/spu/spu_internals.h: New file.
1357 * config/spu/spu_intrinsics.h: New file.
1358 * config/spu/spu_mfcio.h: New file.
1359 * config/spu/t-spu-elf: New file.
1360 * config/spu/vec_types.h: New file.
1361 * config/spu/vmx2spu.h: New file.
1362 * doc/contrib.texi: Document SPU contributor.
1363 * doc/extend.texi: Document SPU extensions.
1364 * doc/invoke.texi: Document SPU options.
1365 * doc/md.texi: Document SPU constraints.
1367 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1369 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1371 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1373 (flow_loop_dump): Do not dump loop level.
1374 (flow_loops_find): Do not call flow_loops_level_compute.
1375 * cfgloop.h (struct loop): Remove level field.
1377 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1379 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1380 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1381 Use vector of edges instead of array.
1382 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1383 estimate_numbers_of_iterations_loop): Ditto.
1384 * predict.c (predict_loops): Ditto.
1385 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1386 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1388 * basic-block.h: Declare heap allocation for edge vectors.
1389 * tree-outof-ssa.c: Ditto.
1390 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1391 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1393 2006-11-20 Zack Weinberg <zackw@panix.com>
1395 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1396 Add another out parameter, "skip".
1397 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1398 is tagged "skip", do not mark its type used.
1400 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1403 * tree-sra.c (single_scalar_field_in_record_p): New function.
1404 (decide_block_copy): Use it.
1406 2006-11-20 David Daney <ddaney@avtrex.com>
1408 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1409 PC to point to following instruction.
1411 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1415 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1417 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1419 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1421 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1422 Add sh/superh.h to tm_file.
1424 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1425 Mark Mitchell <mark@codesourcery.com>
1427 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1429 (cpp_relocated): New function.
1430 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1432 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1433 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1434 replace configured prefix with gcc_exec_prefix.
1436 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1438 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1439 bfin_legitimate_constant_p.
1440 * config/bfin/bfin.md (movsi expander): Check return value of
1442 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1443 (expand_move): Adjust prototype.
1444 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1445 invalid constants specially.
1446 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1448 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1450 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1451 sibcall_value_symbol): Allow these patterns if
1452 TARGET_LEAF_ID_SHARED_LIBRARY.
1453 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1454 (override_options): Turn on id shared library flags if -msep-data,
1455 but disallow the combination of these options on the command line.
1456 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1457 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1458 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1459 -mid-shared-library.
1460 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1461 * doc/invoke.texi (Blackfin Options): Document new switches.
1463 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1464 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1466 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1467 inflate costs for addresses with an out-of-bounds address.
1469 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1472 * fwprop.c (loops): Remove.
1473 (forward_propagate_into): Use current_loops instead of
1475 (fwprop_init): Call loop_optimizer_init instead of
1477 (fwprop_done): Call loop_optimizer_finalize instead of
1479 (fwprop): Use current_loops instead of loops.
1481 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1484 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1486 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1489 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1490 larger than BITS_PER_WORD.
1492 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1496 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1497 to MAX_FIXED_MODE_SIZE.
1499 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1501 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1502 (fold_builtin_fmin_fmax): New.
1503 (fold_builtin_1): Use it.
1505 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1507 2006-11-18 Richard Guenther <rguenther@suse.de>
1509 * config/i386/i386.c (ix86_builtins): New array for ix86
1510 builtin function decls.
1511 (def_builtin): New function.
1512 (def_builtin_const): Likewise.
1513 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1515 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1517 * doc/invoke.texi (core2): Add item.
1519 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1521 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1522 (TARGET_CPU_DEFAULT_generic): Change value.
1523 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1524 (processor_type): Add new constant PROCESSOR_CORE2.
1526 * config/i386/i386.md (cpu): Add core2.
1528 * config/i386/i386.c (core2_cost): New initialized variable.
1529 (m_CORE2): New macro.
1530 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1531 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1532 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1533 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1534 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1535 x86_accumulate_outgoing_args, x86_prologue_using_move,
1536 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1537 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1538 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1539 x86_pad_returns): Add m_CORE2.
1540 (override_options): Add entries for Core2.
1541 (ix86_issue_rate): Add case for Core2.
1543 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1545 * doc/invoke.texi: Fix mno-isel typo.
1547 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1549 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1550 easy vector constant loads.
1552 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1554 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1555 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1556 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1557 * config/rs6000/sync.md (lwsync): Emit plain sync if
1560 2006-11-17 DJ Delorie <dj@redhat.com>
1562 * reload1.c (reloads_unique_chain): New.
1563 (reloads_conflict): Call it.
1565 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1567 * config/xtensa/predicates.md (addsubx_operand): New.
1568 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1569 (xtensa_emit_bit_branch): New.
1570 (xtensa_emit_movcc): New.
1571 * config/xtensa/xtensa.md (any_minmax): New code macro.
1572 (minmax): New code attribute.
1573 (any_cond, any_scc, any_scc_sf): New code macros.
1574 (*addx2, *addx4, *addx8): Delete.
1576 (*subx2, *subx4, *subx8): Delete.
1578 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1579 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1580 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1581 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1582 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1583 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1584 (movsfcc_internal0, movsfcc_internal1): Likewise.
1585 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1586 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1587 (xtensa_emit_bit_branch): New.
1588 (xtensa_emit_movcc): New.
1589 (function_arg_boundary): Add missing prototype.
1591 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1593 * config/xtensa/xtensa.md (tstsi): Delete
1595 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1597 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1599 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1601 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1603 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1605 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1607 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1609 * tree-vrp.c (execute_vrp): Do not update current_loops.
1610 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1611 * doc/loop.texi: Remove documentation for cancelled functions.
1612 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1613 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1615 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1616 (remove_path): Ensure that in delete_basic_blocks, the loops
1617 are still allocated.
1618 (add_loop): Work on valid loop structures.
1619 (loopify): Modify call of add_loop.
1620 (mfb_update_loops): Removed.
1621 (create_preheader): Do not update loops explicitly.
1622 (force_single_succ_latches, loop_version): Do not use
1623 loop_split_edge_with.
1624 (loop_split_edge_with): Removed.
1625 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1626 Do not use bsi_insert_on_edge_immediate_loop.
1627 (split_loop_exit_edge, tree_unroll_loop): Do not use
1628 loop_split_edge_with.
1629 (bsi_insert_on_edge_immediate_loop): Removed.
1630 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1631 use loop_split_edge_with.
1632 * cfghooks.c: Include cfgloop.h.
1633 (verify_flow_info): Verify that loop_father is filled iff current_loops
1635 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1636 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1638 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1640 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1641 loop_split_edge_with.
1642 (sms_schedule): Use current_loops.
1643 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1644 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1646 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1647 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1648 * ifcvt.c (if_convert): Ditto.
1649 * predict.c (predict_loops): Do not clear current_loops.
1650 (tree_estimate_probability): Use current_loops.
1651 (propagate_freq): Receive head of the region to propagate instead of
1653 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1654 (estimate_loops): New function. Handle case current_loops == NULL.
1655 (estimate_bb_frequencies): Do not allocate tovisit. Use
1657 * tree-ssa-loop.c (current_loops): Removed.
1658 (tree_loop_optimizer_init): Do not return loops.
1659 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1660 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1661 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1662 Do not update loops explicitly.
1663 * function.h (struct function): Add x_current_loops field.
1664 (current_loops): New macro.
1665 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1666 * loop-unroll.c (split_edge_and_insert): New function.
1667 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1668 use loop_split_edge_with.
1669 * loop-doloop.c (add_test, doloop_modify): Ditto.
1670 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1671 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1672 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1673 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1675 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1676 (flow_loops_free): Do not free dfs_order and rc_order.
1677 (flow_loops_find): Do not set dfs_order and rc_order in loops
1678 structure. Do not call loops and flow info verification.
1679 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1680 already belongs to some loop.
1681 * cfgloop.h (struct loops): Remove struct cfg.
1682 (current_loops, loop_split_edge_with): Declaration removed.
1683 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1684 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1685 Declaration removed.
1686 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1687 * basic-block.h (split_edge_and_insert): Declare.
1688 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1690 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1692 PR tree-optimization/29801
1693 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1694 (get_default_value): Use get_symbol_constant_value.
1695 (set_lattice_value): ICE when the value of the constant is
1697 (visit_assignment): Ignore VDEFs of read-only variables.
1699 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1701 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1703 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1704 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1706 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1708 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1709 select subvars of var.
1711 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1714 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1715 optimize if DEF doesn't have integral type.
1717 2006-11-16 Mike Stump <mrs@apple.com>
1719 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1720 pre-darwin9 system, unless the user asks for it directly.
1721 (PREFERRED_DEBUGGING_TYPE): Likewise.
1722 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1723 * config.gcc: Add suppport for darwin9.h.
1724 * config/darwin9.h: Add.
1725 * doc/install.texi (Specific): Clarify darwin documentation.
1727 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1729 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1730 optimizing for size.
1732 2006-11-16 Mike Stump <mrs@apple.com>
1734 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1736 2006-11-16 Dirk Mueller <dmueller@suse.de>
1738 * tree-vrp.c (get_value_range): Use XCNEW instead
1740 (insert_range_assertions): Use XCNEWVEC instead
1741 of XNEWVEC and memset.
1742 (vrp_initialize): Same.
1743 (vrp_finalize): Same.
1744 * tree-ssa-ccp.c (ccp_initialize): Same.
1745 * predict.c (tree_bb_level_predictions): Same.
1746 * calls.c (expand_call): Same.
1747 * tree-ssa-copy.c (init_copy_prop): Same.
1748 (fini_copy_prop): Same.
1749 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1750 of GGC_NEW and memset.
1752 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1755 * gimplify.c (gimplify_expr): Only force a load for references to
1756 non-BLKmode volatile values.
1757 * doc/implement-c.texi (Qualifiers implementation): Document the
1758 interpretation of what a volatile access is.
1759 * doc/extend.texi (C++ Extensions): Rework same documentation.
1761 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1763 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1766 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1768 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1770 (arm_neg_abssi2): Renamed from neg_abssi2.
1771 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1773 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1775 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1776 number of arguments passed to local functions in SSE registers is 3.
1778 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1779 number of arguments passed in SSE registers to 3.
1781 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1784 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1786 (get_last_bb_insn): ... new global function.
1787 (basic_block.h): Declare it.
1788 * haifa-sched.c (create_recovery_block): Use it.
1790 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1793 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1795 2006-11-15 Paul Brook <paul@codesourcery.com>
1797 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1798 _Unwind_GetTextRelBase): Move from here ...
1799 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1800 _Unwind_GetTextRelBase): ... To here.
1802 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1804 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1805 addresses we generate for testing are aligned.
1807 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1810 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1811 to what is the const decl is a place holder for.
1813 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1815 * config/i386/i386.opt: New target option -mx87regparm.
1817 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1818 and float_in_x87 variables. mmx_words, sse_words: Remove.
1819 (X87_REGPARM_MAX): Define.
1821 * config/i386/i386.c (override_options): Error out for
1822 -mx87regparm but no 80387 support.
1823 (ix86_attribute_table): Add x87regparm.
1824 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1825 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1826 (ix86_function_x87regparm): New function.
1827 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1829 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1831 (function_arg_advance): Process x87_nregs and x87_regno when
1832 floating point argument is to be passed in 80387 register.
1833 (function_arg): Pass XFmode arguments in 80387 registers for local
1834 functions. Pass SFmode and DFmode arguments to local functions
1835 in 80387 registers when flag_unsafe_math_optimizations is set.
1837 * reg-stack.c (convert_regs_entry): Disable NaN load for
1838 stack registers that are used for argument passing.
1840 * doc/extend.texi: Document x87regparm function attribute.
1841 * doc/invoke.texi: Document -mx87regparm.
1843 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1845 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1846 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1847 arg MODE; all callers changed. Use it to determine validity per
1848 machine mode instead of using Pmode for all memory references.
1849 (get_address_cost): Likewise add and use new arg MEM_MODE.
1851 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1852 J"orn Rennecke <joern.rennecke@st.com>
1854 * combine.c (likely_spilled_retval_1): Fix masking operation.
1855 (likely_spilled_retval_p): Use proper pattern for call to
1856 likely_spilled_retval_1.
1858 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1860 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1862 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1863 that tests for CONSTANT_POOL_ADDRESS_P.
1865 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1867 PR tree-optimization/29581
1868 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1869 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1870 type is different between Y and USE, create a temporary
1871 variable, initialize it at the beginning of the body bb
1872 and use it as replacement instead of Y.
1874 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1877 * gimplify.c (fold_indirect_ref_rhs): Use
1878 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1880 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1882 * expmed.c (emit_store_flag_1): New function.
1883 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1885 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1886 Use do_compare_rtx_and_jump.
1887 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1888 * arm.md (cstoresi4): New define_expand.
1889 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1890 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1891 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1893 2006-11-14 Caroline Tice <ctice@apple.com>
1895 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1896 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1898 (pubname_table): Redefine as a vector.
1899 (pubtype_table): New static global variable, defined as a vector.
1900 (pubname_table_allocated): Remove static global variable.
1901 (pubname_table_in_use): Remove static global variable.
1902 (PUBNAME_TABLE_INCREMENT): Remove constant.
1903 (size_of_pubnames): Add parameter to deal with either pubnames or
1904 pubtypes, and change code to deal with table being a vector.
1905 (add_pubname): Change to deal with table being a vector.
1906 (add_pubtype): New function.
1907 (output_pubnames): Add parameter to deal with either pubnames or
1908 pubtypes, and change code to deal with table being a vector.
1909 (gen_array_type_die): Add call to add_pubtype.
1910 (gen_enumeration_type_die): Add call to add_pubtype.
1911 (gen_struct_or_union_type_die): Add call to add_pubtype.
1912 (gen_subroutine_type_die): Add call to add_pubtype.
1913 (gen_typedef_die): Add call to add_pubtype.
1914 (dwarf2out_init): Add code to initialize pubname_table and
1915 pubtype_table vectors; also initialize debug_pubtypes_section.
1916 (prune_unused_types): Change to deal with pubnames being a vector.
1917 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1918 pubnames table to call to output_pubnames; Add code to output pubtypes
1919 table if DEBUG_PUBTYPES_SECTION is defined.
1920 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1922 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1924 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1926 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1927 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1928 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1929 movv2si_internal): Support moves between core registers.
1931 2006-11-14 Eric Christopher <echristo@apple.com>
1933 * configure: Regenerate with autoconf 2.59.
1935 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1937 Fix PR tree-optimization/27755
1939 * tree-ssa-pre.c: Update comments.
1940 (bb_bitmap_sets): Add pa_in and deferred member.
1941 (BB_DEFERRED): New macro.
1942 (maximal_set): New variable.
1943 (pre_stats): Add pa_insert member.
1944 (bitmap_set_and): Short circuit orig == dest.
1945 (bitmap_set_subtract_values): New function.
1946 (bitmap_set_contains_expr): Ditto.
1947 (translate_vuses_through_block): Add phiblock argument.
1948 (dependent_clean): New function.
1949 (compute_antic_aux): Update for maximal_set changes.
1950 (compute_partial_antic_aux): New function.
1951 (compute_antic): Handle partial anticipation.
1952 (do_partial_partial_insertion): New function.
1953 (insert_aux): Handle partial anticipation.
1954 (add_to_sets): Add to maximal set.
1955 (compute_avail): Ditto.
1956 (init_pre): Initialize maximal_set.
1957 (execute_pre): Do partial anticipation if -O3+.
1959 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1961 PR rtl-optimization/29798
1963 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1964 TARGET_INSN before any other check.
1965 (fwprop_init): Always calculate dominators.
1966 (fwprop_done): Always free them.
1968 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1970 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1973 2006-11-13 DJ Delorie <dj@redhat.com>
1975 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1976 temporary for intermediates.
1978 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1980 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1981 (sh_optimize_target_register_callee_saved): #if 0 the code
1982 using NOTE_INSN_LOOP_{BEG,END}.
1984 2006-11-13 Roger Sayle <roger@eyesopen.com>
1986 * fold-const.c (optimize_bit_field_compare): Recursively call
1987 fold when simplifying non-constant comparisons between bit-fields.
1989 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1991 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1993 * configure: Rebuilt.
1995 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1997 * config/rs6000/cell.md: New file.
1998 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2000 (ppccell_cost): New cost matrix.
2001 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2002 (rs6000_override_options): Set rs6000_always_hint to false
2003 for cell. Also align functions/lables/loops to 8byte
2004 for the Cell. Use PROCESSOR_CELL.
2005 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2006 using_mtcr_multiple.
2007 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2008 on the Cell, return 0.
2009 (rs6000_adjust_cost): Add Cell cost adjustments.
2010 (is_microcoded_insn): Return true for Cell microcoded
2012 (is_nonpipeline_insn): New function.
2013 (rs6000_issue_rate): Add PROCESSOR_CELL.
2014 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2016 (rs6000_use_sched_lookahead_guard): New function.
2017 (rs6000_sched_reorder): Reorder the ready list, if the second
2018 to last ready insn is a nonepipeline insn on the Cell.
2019 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2020 (ASM_CPU_SPEC): Add Cell.
2021 * config/rs6000/rs6000.md (cpu): Add Cell.
2022 (cell_micro): New Attr.
2025 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2027 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2029 * configure: Rebuilt.
2031 2006-11-13 Richard Guenther <rguenther@suse.de>
2033 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2035 (ix86_expand_lfloorceil): Likewise.
2036 (ix86_expand_rint): Likewise.
2037 (ix86_expand_floorceildf_32): Likewise.
2038 (ix86_expand_floorceil): Likewise.
2039 (ix86_expand_rounddf_32): Likewise.
2040 (ix86_expand_truncdf_32): Likewise.
2041 (ix86_expand_round): Likewise.
2043 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2044 Mark Mitchell <mark@codesourcery.com>
2046 * gcc.c: Organize search path variables into $prefix relative,
2047 and well-known native. Add comments.
2048 (add_sysrooted_prefix): Add comment.
2049 (process_command): If !gcc_exec_prefix add $prefix based paths.
2050 If *cross_compile == '0', add native well-known paths.
2051 Assert tooldir_base_prefix is always relative.
2052 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2053 use this value for 'install:' path.
2054 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2056 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2058 * config/i386/i386.c: Fix a typo in comment.
2060 2006-11-13 Michael Matz <matz@suse.de>
2062 * genemit.c (gen_expand): Allocate enough memory.
2064 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2066 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2067 __GXX_TYPEINFO_EQUALITY_INLINE but not
2068 __GXX_MERGED_TYPEINFO_NAMES.
2069 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2070 __GXX_MERGED_TYPEINFO_NAMES.
2071 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2072 __GXX_TYPEINFO_EQUALITY_INLINE.
2074 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2075 Zdenek Dvorak <dvorakz@suse.cz>
2077 PR tree-optimization/29680
2078 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2081 2006-11-12 Jason Merrill <jason@redhat.com>
2082 Andrew Pinski <pinskia@physics.uc.edu>
2085 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2087 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2089 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2090 * tree.c (build_vector): Handle non-_CST elements.
2092 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2094 * genemit.c (gen_insn): Call gen_exp with a non-null used
2095 when handling multiple insns.
2096 (gen_expand): Likewise.
2097 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2098 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2099 (movsi_const_16bit+1): Copy operands[1].
2100 (call_pcrel): Copy the call_site pattern.
2101 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2103 2006-11-12 Roger Sayle <roger@eyesopen.com>
2105 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2106 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2107 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2108 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2110 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2112 Fix PR tree-optimization/29587
2113 * tree-ssa-structalias.c (process_constraint): Don't
2114 mark address taken due only to escaped vars constraint.
2116 2006-11-12 Michael Matz <matz@suse.de>
2117 Roger Sayle <roger@eyesopen.com>
2119 PR rtl-optimization/29797
2120 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2121 BITS_BIG_ENDIAN targets.
2123 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2125 * builtins.c (fold_builtin_cosh): New.
2126 (fold_builtin_1): Use it.
2127 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2128 trunc to the list of "odd" functions. Also add llrint, lrint,
2129 rint and nearbyint when flag_rounding_math is false.
2131 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2133 * tree-flow.h (name_mappings_registered_p): Declare.
2134 * tree-into-ssa.c (name_mappings_registered_p): New function.
2135 * tree-cfg.c (tree_can_merge_blocks_p): Check
2136 name_mappings_registered_p instead of need_ssa_update_p.
2138 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2140 * tree-ssa-loop.c (tree_vectorize): Return the result of
2142 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2143 if anything changed.
2144 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2145 * tree-flow.h (vectorize_loops): Declaration changed.
2147 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2149 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2151 (issue_prefetch_ref): Move assignment to write_p out of loop.
2152 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2153 SIMULTANEOUS_PREFETCHES into account.
2154 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2155 * lambda-code.c (lcm): Renamed to ...
2156 (least_common_multiple): ... and exported.
2157 * tree-flow.h (least_common_multiple): Declare.
2159 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2161 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2162 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2163 ud-chains. Handle AND_EXPR.
2164 (record_estimate): Record whether the estimate is realistic
2165 and whether it is derived from a loop exit.
2166 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2167 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2169 (compute_estimated_nb_iterations): Take only realistic bounds into
2170 account. Set estimate_state. Use double_ints.
2171 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2172 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2173 that do not have to be always executed.
2174 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2175 to determine whether to call infer_loop_bounds_from_undefined
2176 and compute_estimated_nb_iterations.
2177 (n_of_executions_at_most): Use double_ints.
2178 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2179 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2180 * double-int.c (double_int_to_tree): Improve comment.
2181 (double_int_fits_to_tree_p): New function.
2182 * double-int.h (double_int_fits_to_tree_p): Declare.
2183 * tree-data-ref.c: Include langhooks.h.
2184 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2185 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2186 (analyze_array): Do not pass estimate_only argument to
2187 analyze_array_indexes.
2188 (get_number_of_iters_for_loop): Build tree from the stored double_int
2190 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2191 (find_data_references_in_loop): Use find_data_references_in_stmt.
2192 * tree-data-ref.h (struct data_ref_loc_d): New.
2193 (get_references_in_stmt): Declare.
2194 (estimate_iters_using_array): Declaration removed.
2195 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2196 double_int. Improve comments. Add is_exit and realistic
2198 (struct loop): Changed type of estimated_nb_iterations to double_int.
2199 Added estimate_state field.
2200 (record_estimate): Declaration removed.
2202 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2204 * params.c (set_param_value): Initialize the "set" field.
2205 * params.h (struct param_info): Add "set" field.
2206 (PARAM_SET_P): New macro.
2207 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2208 L1_CACHE_LINE_SIZE): New macros.
2209 * toplev.c (DEFPARAM): Initialize the "set" field.
2210 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2211 SIMULTANEOUS_PREFETCHES): Removed.
2212 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2213 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2214 * config/sparc/sparc.c: Include params.h.
2215 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2216 L1_CACHE_LINE_SIZE parameters.
2217 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2219 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2221 * config/i386/i386.c: Include params.h.
2222 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2223 (override_options): Set SIMULTANEOUS_PREFETCHES and
2224 L1_CACHE_LINE_SIZE parameters.
2225 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2226 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2227 L1_CACHE_LINE_SIZE parameters.
2228 * config/ia64/ia64.c (ia64_optimization_options): Set
2229 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2230 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2232 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2233 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2234 * doc/invoke.texi: Document new params.
2236 2006-11-12 Roger Sayle <roger@eyesopen.com>
2238 PR tree-optimization/13827
2239 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2242 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2244 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2245 update_single_exit_for_duplicated_loops): New functions.
2246 (duplicate_loop_to_header_edge): Use
2247 update_single_exit_for_duplicated_loops.
2248 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2249 functions only with ENABLE_CHECKING.
2251 2006-11-12 Andreas Schwab <schwab@suse.de>
2253 * except.c (sjlj_emit_function_enter): Remove unused variable.
2255 2006-11-11 Roger Sayle <roger@eyesopen.com>
2257 * fold-const.c (int_binop_types_match_p): New function.
2258 (size_binop): Relax constraint that both arguments must both have
2259 exactly the same sizetype type. Instead use int_binop_types_match_p.
2260 (size_diffop): Likewise.
2262 (make_range): Use build_int_cst instead of fold_convert.
2263 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2264 integer constants of the correct type.
2265 (fold_div_compare): Likewise.
2266 (fold_single_bit_test): Likewise.
2267 (fold_binary): Likewise.
2268 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2269 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2271 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2274 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2275 non null value if the struct memory access is in the 0th
2278 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2281 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2282 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2285 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2286 instead of builtin_define for bfin and BFIN.
2288 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2290 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2293 2006-11-11 Jan Hubicka <jh@suse.cz>
2295 * extend.texi (__builtin_expect): We no longer require second argument
2297 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2298 * builtins.c (expand_builtin_expect): Simplify.
2299 (expand_builtin_expect_jump): Kill.
2300 * final.c (final_scan_insn): Do not skip the removed notes.
2301 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2302 EXPECTED_VALUE): Remove.
2303 * dojump.c (do_jump): Do not care about __builtin_expect.
2304 * predict.c (expected_value_to_br_prob): Kill.
2305 * function.c (expand_function_end): Do not expand
2306 NOTE_INSN_REPEATED_LINE_NUMBER.
2307 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2308 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2309 * cfgexpand.c (add_reg_br_prob_note): Export.
2310 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2311 expected_value_to_br_prob.
2312 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2313 * rtl.h (add_reg_br_prob_note): Declare.
2315 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2317 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2319 2006-11-11 Jan Hubicka <jh@suse.cz>
2321 * predict.c (predict_loops): Kill RTL variant.
2323 2006-11-11 Jan Hubicka <jh@suse.cz>
2325 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2326 * modulo-sched.c (find_line_note): Remove.
2327 (loop_canon_p): Do not worry about line number notes.
2328 (sms_schedule): Likewise.
2329 * cse.c (cse_main): Likewise.
2330 * regmove.c (fixup_match_1): Likewise
2331 * function.c (emit_return_info_block): Likewise.
2332 (expand_function_end): Likewise.
2333 (thread_prologue_an_epilogue_insns): Likewise.
2334 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2336 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2337 emit_note_copy_after): Kill.
2338 (emit_note_copy): Do not worry about line numbers.
2339 * jump.c (purge_line_number_notes): Kill.
2340 (pass_purge_lineno_notes): Kill.
2341 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2343 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2344 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2345 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2346 * tree-pass.h (pass_purge_lineno_notes): Kill.
2347 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2348 rm_redundant_line_notes.
2349 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2350 rm_redundant_line_notes.
2351 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2352 * haifa-sched.c: Update comment about handling notes.
2353 (unlink_line_notes): Kill.
2354 (rm_line_notes): Kill.
2355 (save_line_notes): Simplify.
2356 (rm_redundant_line_notes): Kill.
2358 2006-11-11 Richard Guenther <rguenther@suse.de>
2360 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2361 Remove unused tree codes.
2362 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2363 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2364 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2365 * tree.c (stabilize_reference): Likewise.
2366 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2367 fold_unary): Likewise.
2368 * tree-gimple.c (is_gimple_cast): Likewise.
2369 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2370 * expr.c (expand_expr_real_1): Likewise.
2371 * tree-eh.c (tree_could_trap_p): Likewise.
2372 * gimplify.c (gimplify_expr): Likewise.
2373 * tree-inline.c (estimate_num_insns_1): Likewise.
2374 * tree-cfg.c (verify_expr): Likewise.
2376 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2378 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2379 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2380 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2382 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2385 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2386 constraints accept neither registers or memories.
2388 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2390 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2391 (NO_PROFILE_COUNTERS): Define as 1.
2393 2006-11-10 Roger Sayle <roger@eyesopen.com>
2395 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2396 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2398 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2400 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2402 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2404 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2405 (fold_builtin_hypot): Likewise.
2406 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2408 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2410 2006-11-10 Roger Sayle <roger@eyesopen.com>
2412 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2413 when attempting to build INTEGER_CSTs of non-integral types.
2414 * expmed.c (make_tree): Use the correct type, i.e. the inner
2415 type, when constructing the individual elements of a CONST_VECTOR.
2417 2006-11-10 Jan Hubicka <jh@suse.cz>
2419 * cse.c (cse_process_notes): Copy the propagated value.
2420 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2422 * gcse.c (try_replace_reg): Copy the replacement.
2423 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2424 (assign_386_stack_local): Always return copied memory expression
2425 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2428 2006-11-10 Jan Hubicka <jh@suse.cz>
2430 * final.c (final): Walk from first instruction.
2431 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2433 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2436 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2438 (umulv8hi3_highpart): Ditto.
2439 (vec_widen_smult_hi_v8hi): New expander.
2440 (vec_widen_smult_lo_v8hi): Ditto.
2442 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2445 * builtins.c (do_mpfr_arg3): New.
2446 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2448 2006-11-09 Eric Christopher <echristo@apple.com>
2453 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2454 * config.gcc (powerpc64-*-darwin*): New target.
2455 * config.host: Ditto.
2456 * config/rs6000/darwin64.h: New file.
2457 * config/rs6000/x-darwin64: Ditto.
2458 * config/rs6000/host-ppc64-darwin.c: Ditto.
2460 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2462 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2463 routines for integer division.
2465 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2467 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2469 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2472 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2474 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2476 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2477 simplify_subreg with BLKmode outer mode.
2479 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2481 * doc/invoke.texi: Minor formatting fixes in option lists.
2483 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2485 PR tree-optimization/29738
2486 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2487 (ccp_lattice_t): Remove UNKNOWN_VAL.
2488 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2489 Do not handle UNKNOWN_VAL.
2490 (get_default_value): Set initial value of virtual operands to
2492 (get_value): Always use get_default_value on uninitialized
2494 (set_value_varying, surely_varying_stmt_p): New functions.
2495 (set_lattice_value): Do not pass argument to get_value.
2496 Do not handle UNKNOWN_VAL.
2497 (likely_value): Follow the semantics described in the comment.
2498 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2499 phi nodes DONT_SIMULATE_AGAIN.
2500 (ccp_fold): Do not pass argument to get_value.
2501 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2504 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2506 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2507 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2509 2006-11-08 Roger Sayle <roger@eyesopen.com>
2511 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2512 test for inclusion rather than as a test for exclusion.
2513 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2514 the condition after calling fold_binary.
2515 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2516 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2517 * builtins.c (fold_builtin_isascii): Likewise.
2518 (fold_builtin_isdigit): Likewise.
2520 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2522 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2523 * configure: Regenerate.
2525 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2527 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2528 enum argument instead of bool.
2529 (vect_analyze_operations): Call vectorizable_type_promotion.
2530 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2531 stmt_vec_info_type value.
2532 (supportable_widening_operation, vectorizable_type_promotion): New
2533 function declarations.
2534 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2535 (vectorizable_type_promotion): New function.
2536 (vect_transform_stmt): Call vectorizable_type_promotion.
2537 * tree-vect-analyze.c (supportable_widening_operation): New function.
2538 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2540 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2543 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2544 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2545 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2547 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2548 * expr.c (expand_expr_real_1): Likewise.
2549 * optabs.c (optab_for_tree_code): Likewise.
2550 (init_optabs): Initialize new optabs.
2551 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2552 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2553 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2554 vec_unpacku_lo_optab): Initialize new optabs.
2555 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2556 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2557 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2559 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2560 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2561 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2562 (vec_unpacku_lo_optab): New optabs.
2563 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2564 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2565 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2566 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2567 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2568 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2570 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2571 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2572 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2573 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2574 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2575 implement the unsigned unpacking patterns.
2576 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2577 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2578 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2579 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2580 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2581 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2582 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2583 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2584 multiplication patterns.
2586 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2587 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2588 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2589 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2590 (rs6000_builtin_mul_widen_odd): New.
2591 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2592 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2593 * tree-vectorizer.h (enum vect_relevant): New enum type.
2594 (_stmt_vec_info): Field relevant chaned from bool to enum
2596 (STMT_VINFO_RELEVANT_P): Updated.
2597 (STMT_VINFO_RELEVANT): New.
2598 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2599 instead of STMT_VINFO_RELEVANT_P.
2600 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2601 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2602 and boolean variable with enum vect_relevant.
2603 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2604 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2605 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2607 2006-11-08 Richard Henderson <rth@redhat.com>
2609 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2610 vec_widen_umult_lo_v8hi): New.
2611 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2612 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2614 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2615 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2616 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2617 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2618 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2619 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2620 vec_unpacks_lo_v4si): New.
2622 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2624 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2625 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2626 (vect_analyze_operations): Call vectorizable_type_demotion.
2627 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2628 stmt_vec_info_type value.
2629 (vectorizable_type_demotion): New function declaration.
2630 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2633 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2634 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2636 * tree-iniline.c (estimate_num_insns_1): Likewise.
2637 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2638 * optabs.c (optab_for_tree_code): Likewise.
2640 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2641 compared against the predicate of the result is not 'mode' (the input
2642 to the function) but a mode with half the size of 'mode'.
2643 (init_optab): Initialize new optabs.
2644 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2646 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2648 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2649 (vec_pack_usat_optab): Initialize new optabs.
2650 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2651 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2653 2006-11-08 Richard Henderson <rth@redehat.com>
2655 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2656 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2657 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2658 (vec_interleave_highv4si, vec_interleave_lowv4si):
2659 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2661 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2663 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2665 (vect_transform_stmt): Removed redundant code.
2667 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2669 * tree-vect-transform.c (vectorizable_operation): Support multiple
2672 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2674 * tree-vect-transform.c (vect_align_data_ref): Removed.
2675 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2676 Updated function documentation. Return the increment stmt in ptr_incr.
2677 (bump_vector_ptr): New function.
2678 (vect_get_vec_def_for_stmt_copy): New function.
2679 (vect_finish_stmt_generation): Create a stmt_info to newly created
2681 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2683 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2684 VF is greater than the number of elements that can fit in one vector
2686 (vectorizable_operation, vectorizable_condition): Likewise.
2687 (vectorizable_store, vectorizable_load): Support the case that the VF
2688 is greater than the number of elements that can fit in one vector word.
2689 (vect_transform_loop): Don't fail in case of multiple data-types.
2690 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2691 in case of multiple data-types; the smallest type determines the VF.
2692 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2693 if they are of different sizes.
2694 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2695 number of elements rather than number of bytes.
2696 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2697 (vect_can_advance_ivs_p): Fix a dump printout
2699 2006-11-07 Eric Christopher <echristo@apple.com>
2701 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2702 (__bswapsi2): Ditto.
2703 * libgcc2.h: Remove transformation of bswap routines.
2704 * config/i386/i386.md (bswapsi2): New.
2707 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2709 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2710 (handle_gnu_inline_attribute): New function.
2711 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2712 (merge_decls, start_decl, start_function): Likewise.
2713 * doc/extend.texi: Document gnu_inline attribute.
2715 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2718 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2719 _fixunstfdi, and _floatditf
2721 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2723 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2725 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2726 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2727 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2728 which start in an odd register.
2730 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2732 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2734 2006-11-07 Josh Conner <jconner@apple.com>
2736 * doc/invoke.texi (fstrict-aliasing): Move implementation
2738 * doc/tree-ssa.texi (Alias analysis): ...here.
2740 2006-11-07 Richard Guenther <rguenther@suse.de>
2742 PR tree-optimization/29610
2743 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2744 of tree_purge_dead_eh_edges as it may free dominators.
2746 * g++.dg/other/pr29610.C: New testcase.
2748 2006-11-07 David Ung <davidu@mips.com>
2750 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2751 costs when optimizing for size.
2752 (override_options): Use mips_rtx_cost_optimize_size table for cost
2755 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2757 * gcc.c (process_command): Treat -b as normal switch if its argument
2760 2006-11-07 David Ung <davidu@mips.com>
2762 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2765 2006-11-06 Eric Christopher <echristo@apple.com>
2767 * config.gcc: Add x86_64-darwin host support.
2768 * config.host: Ditto.
2769 * config/i386/darwin64.h: New file.
2770 * config/i386/t-darwin64: Ditto.
2772 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2774 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2775 and output-exists-not.
2777 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2780 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2781 checking for overflow.
2783 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2785 * configure.ac: Fixed typo in case statement: :: changed to ;;
2787 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2789 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2790 count_leading_zeros, and count_trailing_zeros.
2791 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2792 (TARGET_FOLD_BUILTIN): Define.
2793 (TARGET_EXPAND_BUILTIN): Define.
2794 (xtensa_init_builtins): New.
2795 (xtensa_fold_builtin): New.
2796 (xtensa_expand_builtin): New.
2797 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2798 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2799 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2800 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2801 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2802 (any_extend): New code macro.
2803 (u, su): New code attributes.
2804 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2805 (nsau): Remove; replaced by clzsi2.
2806 (ffssi2): Use clzsi2.
2807 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2808 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2809 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2810 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2811 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2813 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2815 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2817 * config/arm/t-strongarm-elf: Likewise.
2818 * config/arm/t-pe: Likewise.
2819 * config/arm/t-arm-elf: Likewise.
2820 * config/arm/t-xscale-elf: Likewise.
2821 * config/arm/t-arm-coff: Likewise.
2822 * config/arm/t-xscale-coff: Likewise.
2823 * config/arm/t-wince-pe: Likewise.
2825 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2827 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2830 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2833 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2836 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2839 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2840 as a valid 80387 constant.
2841 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2842 * config/i386/i386.md (unnamed splitter): Split the load of
2843 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2846 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2848 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2849 from the soft-frame, argument and virtual registers.
2851 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2853 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2854 patterns for standard 80387 constants.
2856 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2857 Steven Bosscher <steven@gcc.gnu.org>
2859 * fwprop.c: New file.
2860 * Makefile.in: Add fwprop.o.
2861 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2862 * passes.c (init_optimization_passes): Schedule forward propagation.
2863 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2865 * timevar.def (TV_FWPROP): New.
2866 * common.opt (-fforward-propagate): New.
2867 * opts.c (decode_options): Enable forward propagation at -O2.
2868 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2869 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2870 canon_for_address, table_size): Remove.
2871 (new_basic_block, insert, remove_from_table): Remove references to
2873 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2874 simplification loop more straightforward by not calling fold_rtx
2876 (equiv_constant): Move here a small part of fold_rtx_subreg,
2877 do not call fold_rtx. Call avoid_constant_pool_reference
2879 * recog.h (canonicalize_change_group): New.
2881 * doc/invoke.texi (Optimization Options): Document fwprop.
2882 * doc/passes.texi (RTL passes): Document fwprop.
2884 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2886 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2887 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2888 (grokdeclarator): Likewise.
2890 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2892 * tree-dump.c (dump_enable_all): Rename local variable
2893 ir_type to avoid name conflicts.
2894 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2895 instead of using ir_type().
2896 * profile.c (tree_register_profile_hooks): Likewise.
2897 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2898 * basic-block.h (struct edge_def): Likewise.
2899 * config/arm/arm.c (legitimize_pic_address): Likewise.
2900 * coretypes.h (ir_type): New enum of all intermediate languages
2902 * cfghooks.c (ir_type): Rename to...
2903 (current_ir_type): ...this. Distinguish between cfgrtl and
2904 cfglayout mode when the current IR is RTL. Return enum ir_type.
2905 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2907 2006-11-03 Paul Brook <paul@codesourcery.com>
2909 * config/arm/arm.c (arm_file_start): New function.
2910 (TARGET_ASM_FILE_START): Define.
2911 (arm_default_cpu): New variable.
2912 (arm_override_options): Set arm_default_cpu.
2914 2006-11-03 David Ung <davidu@mips.com>
2916 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2917 PROCESSOR_24KC and PROCESSOR_24KF.
2918 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2919 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2920 (mips_rtx_cost_data): Add costs for the 24kc.
2921 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2922 * config/mips/24k.md: Remove references to 24k and replace with
2923 uses of 24kc/24kf in the appropriate reservations.
2924 * doc/invoke.texi (MIPS Options): Updated.
2926 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2928 * config/sh/crt1.asm: Fix #ifdef indent.
2930 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2931 Merged from STMicroelectronics sources:
2932 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2933 * config/sh/crt1.asm (vbr_600): Add missing #if.
2934 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2935 * sh.opt (mfused-madd): New option.
2936 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2937 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2938 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2939 Remove pointless handler at VBR+0.
2940 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2941 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2942 fr7. Make sure the timer handler is called with the correct FPU
2943 precision setting, according to the ABI.
2944 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2945 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2946 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2947 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2948 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2949 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2950 zero as second operand.
2951 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2952 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2953 Fixed some bugs related to negative values, in particular -0
2954 and overflow at -0x80000000.
2955 * config/sh/divcost-analysis: Added sh4-300 figures.
2956 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2957 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2958 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2959 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2960 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2961 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2963 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2965 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2966 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2967 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2968 mac_mem, mem_mac, dfp_mul, fp_cmp.
2969 (insn_class, dfp_comp, any_fp_comp): Update.
2970 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2971 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2972 (muldf3_i): Likewise.
2973 (movsi_i): Split rI08 alternative into two separate alternatives.
2975 (movsi_ie, movsi_i_lowpart): Likewise.
2976 (movqi_i): Split ri alternative into two separate alternatives.
2978 * sh1.md (sh1_load_store, sh1_fp): Update.
2979 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2980 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2981 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2982 (sh4a_fp_double_arith): Likewise.
2983 * sh4-300.md: New file.
2984 * sh.c (sh_handle_option): Handle m4-300* options.
2985 (sh_adjust_cost): Fix latency of auto-increments.
2986 Handle SH4-300 differently than other SH4s. Check for new insn types.
2987 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2988 been set by an option.
2989 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2990 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2991 (mbranch-cost=): Likewise.
2992 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2994 * sh.md (mulsf3): Remove special expansion code.
2995 (mulsf3_ie): Now a define_insn_and_split.
2996 (macsf3): Allow for TARGET_SH4.
2998 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2999 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3000 (expand_cbranchdi4): Likewise.
3001 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3002 CONST_DOUBLE if the outer code is COMPARE.
3003 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3004 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3005 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3006 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3007 Remove redundant fp_{zero,one}_operand checks.
3008 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3009 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3010 (expand_cbranchdi4): Likewise.
3011 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3012 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3014 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3016 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3019 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3021 * doc/invoke.texi: Fix mfp-trap-mode typo.
3023 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3025 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3026 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3027 file_end_indicate_exec_stack.
3028 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3030 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3031 for a non-executable stack.
3032 * crti.asm: Likewise.
3033 * crtn.asm: Likewise.
3034 * libunwind.S: Likewise.
3036 2006-11-02 Ben Elliston <bje@au.ibm.com>
3038 * tree-ssa.c (warn_uninit): Use expand_location variables for
3039 locus and declaration locus.
3041 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3044 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3045 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3046 cmp{eq,gt,gtu}{si,di}_media.
3047 (*cmpne0si_media): Remove.
3048 (*movsicc_umin): Adjust gen_cmp*_media call.
3049 (unordered): Change the mode of unordered and operands[1] to
3051 (seq): Adjust gen_cmp*_media calls. Make the mode of
3052 a temporary result of compare SImode if needed. If the mode
3053 of operands[0] is DImode, extend the temporary result to DImode.
3054 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3055 (sunorderd): Change the mode of match_operand and unorderd to
3057 (cmpeq{sf,df}_media): Remove.
3058 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3059 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3060 and compare operation to SImode.
3062 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3064 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3066 (sparc64-sun-solaris2*): Likewise.
3068 2006-11-02 Paul Brook <paul@codesourcery.com>
3070 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3071 from priority argument. Use different section for non-default
3073 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3075 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3078 * except.c (switch_to_exception_section): Do not cache the section
3079 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3080 and flag_function_sections is set.
3082 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3085 * builtins.c (do_mpfr_sincos): New.
3086 (fold_builtin_1): Use it to fold builtin sincos.
3088 2006-11-01 Roger Sayle <roger@eyesopen.com>
3090 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3091 it into -D_REENTRANT.
3093 2006-11-01 Roger Sayle <roger@eyesopen.com>
3095 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3096 whether the assembler supports taking the difference of symbols in
3097 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3098 * configure: Regenerate.
3099 * config.in: Regenerate.
3100 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3101 the assembler doesn't support taking the difference of symbols in
3102 different sections, i.e. we're using the native solaris assembler.
3104 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3105 Peter Bergner <bergner@vnet.ibm.com>
3107 * doc/invoke.texi: Add cpu_type power6x
3108 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3109 * config.gcc: Add cpu_type power6x.
3110 * configure.ac: Add test for mf{t,f}gpr instructions.
3111 (HAVE_AS_MFPGPR): New.
3112 * config.in: Regenerate.
3113 * configure: Regenerate.
3114 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3115 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3116 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3117 and mftgpr attributes.
3118 (define_attr "cpu"): Add power6.
3119 Change instruction sequences to use new attributes.
3120 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3121 (fix_truncdfsi2_mfpgpr): New.
3122 (floatsidf_ppc64_mfpgpr): New.
3123 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3124 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3125 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3126 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3127 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3128 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3129 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3130 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3131 cntlz,exts and var_delayed_compare.
3132 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3133 _ARCH_PWR6X, if features enabled.
3134 * config/rs6000/rs6000.opt (mmfpgpr): New.
3135 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3136 (cached_can_issue_more): New variable.
3137 (processor_costs): Add power6_cost.
3138 (rs6000_sched_init): New function.
3139 (is_dispatch_slot_restricted): Deleted.
3140 (set_to_load_agen): New function.
3141 (is_load_insn,is_store_insn): New functions.
3142 (adjacent_mem_locations): New function.
3143 (insn_must_be_first_in_group): New function.
3144 (insn_must_be_last_in_group): New function.
3145 (rs6000_sched_reorder): New function.
3146 (rs6000_sched_reorder2): New function.
3147 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3148 TARGET_SCHED_REORDER2): Define.
3149 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3150 Add power6x. Add MASK_MFPGPR for power6x.
3151 (POWERPC_MASKS): Add MASK_MFPGPR.
3152 (rs6000_override_options): Set rs6000_always_hint to false
3153 for power6. Set rs6000_align_branch_targets. Replace
3154 rs6000_sched_groups check with rs6000_align_branch_targets.
3155 Use PROCESSOR_POWER6.
3156 (last_scheduled_insn): New variable.
3157 (load_store_pendulum): New variable.
3158 (rs6000_variable_issue): Set last_scheduled_insn and
3159 cached_can_issue_more.
3160 (rs6000_adjust_cost): Add power6 cost adjustments.
3161 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3162 with insn_must_be_first_in_group. Add power6 priority adjustments.
3163 (rs6000_issue_rate): Add CPU_POWER6.
3164 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3165 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3166 (TARGET_MFPGPR): New.
3167 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3168 (ASM_CPU_SPEC): Add power6x.
3169 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3171 * config/rs6000/power6.md: New file.
3173 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3175 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3176 HOST_WIDE_INT_PRINT to print high and low parts. Use
3177 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3178 printing a hexadecimal number prefix it with 0x.
3180 2006-11-01 Chris Johns <chris@contemporary.net.au>
3183 * Makefile.in (install-driver): Use exeext when installing
3184 $target-gcc-$version.
3186 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3188 * c-common.c (flag_cpp0x): New.
3189 * c-common.h (flag_cpp0x): New.
3190 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3191 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3192 * c-opts.c (set_std_cxx0x): New.
3193 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3194 * c.opt (std=c++0x): Document.
3195 (std=gnu++0x): Ditto.
3196 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3197 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3199 2006-11-01 Richard Guenther <rguenther@suse.de>
3201 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3203 (ix86_expand_floorceildf_32): Likewise.
3204 (ix86_expand_floorceil): Likewise.
3205 (ix86_expand_trunc): Likewise.
3207 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3209 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3212 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3214 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3216 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3218 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3220 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3221 * configure.ac (use_cxa_atexit): As a special case, don't test
3222 for libc definition of __cxa_atexit on mingw32
3223 * configure: Regenerate.
3224 * config.gcc (i[34567]86-pc-mingw32): Default to
3225 enable__cxa_atexit=yes.
3227 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3229 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3231 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3234 * c-decl.c (start_struct): Don't create self-containing
3236 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3238 * config/rs6000/rs6000-protos.h
3239 (darwin_rs6000_special_round_type_align): New.
3240 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3241 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3243 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3245 * toplev.c (compile_file): Call final_write_globals
3246 even if there have been errors.
3248 2006-10-31 Eric Christopher <echristo@apple.com>
3249 Falk Hueffner <falk@debian.org>
3251 * doc/extend.texi (__builtin_bswap32): Document.
3252 (__builtin_bswap64): Ditto.
3253 * doc/libgcc.texi (bswapsi2): Document.
3255 * doc/rtl.texi (bswap): Document.
3256 * optabs.c (expand_unop): Don't widen a bswap.
3257 (init_optabs): Init bswap. Set libfuncs explicitly
3258 for bswapsi2 and bswapdi2.
3259 * optabs.h (OTI_bswap): New.
3260 (bswap_optab): Ditto.
3261 * genopinit.c (optabs): Handle bswap_optab.
3262 * tree.h (tree_index): Add TI_UINT32_TYPE and
3264 (uint32_type_node): New.
3265 (uint64_type_node): Ditto.
3266 * tree.c (build_common_tree_nodes_2): Initialize
3267 uint32_type_node and uint64_type_node.
3268 * builtins.c (expand_builtin_bswap): New.
3269 (expand_builtin): Call.
3270 (fold_builtin_bswap): New.
3271 (fold_builtin_1): Call.
3272 * fold-const.c (tree_expr_nonnegative_p): Return true
3274 * builtin-types.def (BT_UINT32): New.
3276 (BT_FN_UINT32_UINT32): Ditto.
3277 (BT_FN_UINT64_UINT64): Ditto.
3278 * builtins.def (BUILT_IN_BSWAP32): New.
3279 (BUILT_IN_BSWAP64): Ditto.
3280 * rtl.def (BSWAP): New.
3281 * genattrtab.c (check_attr_value): New.
3282 * libgcc2.c (__bswapSI2): New.
3283 (__bswapDI2): Ditto.
3284 * libgcc2.h (__bswapSI2): Declare.
3285 (__bswapDI2): Ditto.
3286 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3287 * simplify-rtx.c (simplify_const_unary_operation): Return
3289 * libgcc-std.ver (__bwapsi2): Add.
3290 (__bswapdi2): Ditto.
3291 * reload1.c (eliminate_regs_1): Add bswap.
3292 (elimination_effects): Ditto.
3293 * config/i386/i386.h (x86_bswap): New.
3294 (TARGET_BSWAP): Use.
3295 * config/i386/i386.c (x86_bswap): Set.
3297 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3299 * coverage.c (coverage_checksum_string): Update comment.
3300 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3301 of get_file_function_name.
3302 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3303 of get_file_function_name_long.
3304 * tree.c (get_file_function_name): Rename from
3305 get_file_function_name_long; improve comment; handle 'I' and 'D'
3306 specially when the target has ctor/dtor support; remove special
3308 (get_file_function_name): Remove.
3309 * tree.h (get_file_function_name): Rename from
3310 get_file_function_name_long.
3311 (get_file_function_name): Remove prototype.
3313 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3315 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3316 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3318 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3319 Call dsymutil when compiling and linking one or more source files
3322 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3325 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3327 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3329 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3330 inline static functions in c99 mode.
3333 * doc/extend.texi (Inline): Update.
3334 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3335 * c-decl.c (current_extern_inline): Delete.
3336 (pop_scope): Adjust test for an undefined nested function.
3337 Add warning about undeclared inline function.
3338 (diagnose_mismatched_decls): Update comments. Disallow overriding
3339 of inline functions in a translation unit in C99. Allow inline
3340 declarations in C99 at any time.
3341 (merge_decls): Boolize variables. Handle C99 'extern inline'
3343 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3344 C99 inline semantics.
3345 (start_function): Don't clear current_extern_inline. Don't set
3347 (c_push_function_context): Don't push current_extern_inline.
3348 (c_pop_function_context): Don't restore current_extern_inline.
3351 * c-typeck.c (build_external_ref): Warn about static variables
3352 used in extern inline functions.
3353 * c-decl.c (start_decl): Warn about static variables declared
3354 in extern inline functions.
3356 2006-10-31 Roger Sayle <roger@eyesopen.com>
3359 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3360 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3361 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3362 or y is an even integer.
3364 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3367 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3368 * gthr-posix95.h (__gthread_active_p): Likewise.
3370 2006-10-31 Richard Guenther <rguenther@suse.de>
3372 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3373 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3374 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3375 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3376 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3377 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3378 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3379 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3382 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3384 * opts.c (decode_options): Disable CSE skip blocks.
3386 2006-10-30 Dirk Mueller <dmueller@suse.de>
3388 * c-common.h (strict_aliasing_warning): Fix whitespace.
3389 * c-decl (start_function): Move code for main decl warning ..
3390 * c-common.c (check_main_parameter_types): .. here.
3391 * c-common.h (check_main_parameter_types): Declare.
3393 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3396 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3398 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3400 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3401 be a PARALLEL containing sets. Return false when out_pat is not
3404 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3406 * config/mips/mips.md (mul<mode>3): Split into...
3407 (mulsi3, muldi3): ...these separate patterns.
3409 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3411 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3412 but with each set of options separated by spaces.
3414 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3416 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3417 dwarf_reg_size_table has been initialized.
3419 2006-10-30 Roger Sayle <roger@eyesopen.com>
3421 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3422 * ddg.c (print_ddg_edge): Likewise.
3423 * dwarf2out.c (prune_unused_types_walk): Likewise.
3424 * ifcvt.c (noce_try_cmove_arith): Likewise.
3425 * langhooks.c (add_builtin_function): Likewise.
3426 * reg-stack.c (subst_stack_regs_pat): Likewise.
3427 * tree.c (expanded_location): Likewise.
3428 * tree-dump.c (dequeue_and_dump): Likewise.
3430 2006-10-30 David Daney <ddaney@avtrex.com>
3432 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3434 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3436 PR tree-optimization/29637
3437 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3438 of the innertype is the innertype itself.
3440 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3442 * dwarf2out.c (file_name_acquire): Correct typo.
3444 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3446 * tree.h (tree_value_handle): Remove struct value_set declaration.
3447 Change value_set to bitmap_set.
3448 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3449 * tree-vn.c (get_value_handle): Made inline and moved to
3451 * tree-flow-inline.h: (has_stmt_ann): New function.
3452 * tree-ssa-pre.c (expressions): New variable.
3453 (next_expression_id): Ditto.
3454 (alloc_expression_id): New function.
3455 (struct value_set): Remove.
3456 (get_expression_id): New function.
3457 (get_or_alloc_expression_id): Ditto.
3458 (expression_for_id): Ditto.
3459 (clear_expression_ids): Ditto.
3460 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3461 (bb_value_sets): Renamed to bb_bitmap_sets.
3462 All value sets replaced with bitmap_sets.
3464 (BB_VISITED): New macro.
3465 (postorder): New variable.
3466 (add_to_value): Removed.
3467 (value_exists_in_set_bitmap): Ditto.
3468 (value_insert_into_set_bitmap): Ditto.
3471 (set_remove): Ditto.
3472 (set_contains_value): Ditto.
3473 (insert_into_set): Ditto.
3475 (find_leader): Ditto.
3476 (bitmap_set_subtract_from_value_set): Ditto.
3477 (value_insert_into_set): Ditto.
3478 (print_value_set): Ditto.
3479 (debug_value_set): Ditto.
3480 (constant_expr_p): New function.
3481 (bitmap_remove_from_set): Ditto.
3482 (bitmap_insert_into_set): Ditto.
3483 (bitmap_set_free): Ditto.
3484 (vh_compare): Ditto.
3485 (sorted_array_from_bitmap_set): Ditto.
3486 (bitmap_set_subtract): Ditto.
3487 (bitmap_set_equal): Ditto.
3488 (debug_bitmap_set): Ditto.
3489 (find_leader_in_sets): Ditto.
3490 (bitmap_set_replace_value): Modify for bitmapped sets.
3491 (phi_translate): Ditto.
3492 (phi_translate_set): Ditto.
3493 (bitmap_find_leader): Ditto.
3494 (valid_in_sets): Ditto.
3495 (union_contains_value): Ditto.
3497 (compute_antic_aux): Ditto. Mark changed blocks.
3498 (compute_antic): Ditto. Iterate in postorder and only over
3500 (compute_rvuse_and_antic_safe): Reuse postorder.
3501 (create_component_ref_by_pieces): Modify for bitmapped sets.
3502 (find_or_generate_expression): Ditto.
3503 (create_expression_by_pieces): Ditto.
3504 (insert_into_preds_of_block): Ditto.
3505 (changed_blocks): New variable.
3506 (do_regular_insertion): Broken out from insert_aux.
3507 (insert_aux): Modified for bitmapped sets.
3508 (find_existing_value_expr): New function.
3509 (create_value_expr_from): Use it.
3510 (insert_extra_phis): Removed.
3511 (print_bitmap_set): Renamed from bitmap_print_value_set.
3512 (compute_avail): Handle RETURN_EXPR.
3513 (init_pre): Modify for bitmapped sets.
3514 * tree-flow.h (has_stmt_ann): New function.
3516 2006-10-29 Roger Sayle <roger@eyesopen.com>
3518 * builtins.c (fold_builtin_floor): Check for the availability of
3519 the C99 trunc function before transforming floor into trunc.
3521 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3523 * builtins.c (fold_builtin_hypot): Rearrange recursive
3524 transformation before others, and also do ABS_EXPR. When
3525 necessary, check flag_unsafe_math_optimizations. When necessary,
3528 2006-10-29 Roger Sayle <roger@eyesopen.com>
3530 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3531 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3532 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3533 Fold -X eq/ne -Y as X eq/ne Y.
3535 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3537 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3538 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3539 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3540 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3541 Use an inclusive test for "mult" rather than "mul".
3542 (rotr<mode>3): Depend on ISA_HAS_ROR.
3543 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3545 (GENERATE_MULT3_DI): Delete.
3546 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3547 (ISA_HAS_MUL3): New macro.
3548 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3549 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3550 (ISA_HAS_CLZ_CLO): Likewise.
3551 (ISA_HAS_DCLZ_DCLO): Delete.
3552 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3553 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3554 the VR4120 and VR4130.
3555 (ISA_HAS_MACCHI): Use consistent formatting.
3556 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3557 (ISA_HAS_ROR): ...this new macro.
3558 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3559 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3560 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3562 2006-10-29 Roger Sayle <roger@eyesopen.com>
3564 PR tree-optimization/15458
3565 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3568 2006-10-29 Richard Guenther <rguenther@suse.de>
3570 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3571 (ix86_expand_truncdf_32): Likewise.
3572 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3573 trunc inline for SSE math and -fno-trapping-math and if not
3574 optimizing for size.
3575 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3576 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3577 for expanding btrunc inline for SSE math.
3579 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3581 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3582 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3583 i[34567]86-*-solaris2.1[0-9]*.
3584 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3585 Define conditionally depending on TARGET_64BIT_DEFAULT.
3586 (SPEC_32, SPEC_64): Define.
3587 (LINK_SPEC): Use them.
3588 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3590 2006-10-29 Richard Guenther <rguenther@suse.de>
3592 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3593 (ix86_expand_rounddf_32): Likewise.
3594 * config/i386/i386.c (ix86_expand_round): New function expanding
3595 round inline for SSE math and -fno-trapping-math and if not
3596 optimizing for size.
3597 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3598 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3599 round via ix86_expand_round.
3601 2006-10-29 Richard Guenther <rguenther@suse.de>
3603 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3604 (ix86_expand_floorceildf_32): Likewise.
3605 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3606 static helper function.
3607 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3609 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3610 * config/i386/i386.md (floordf2): Adjust to enable floor
3611 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3612 -fno-trapping-math is enabled and if not optimizing for size.
3613 (floorsf2, ceildf2, ceilsf2): Likewise.
3614 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3615 (sse2_maskcmpdf3): Likewise.
3617 2006-10-29 Richard Guenther <rguenther@suse.de>
3619 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3620 rint in case -fno-trapping-math is enabled.
3621 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3622 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3623 (ix86_expand_sse_fabs): Likewise.
3624 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3625 * config/i386/i386.md (rintdf2): Enable for SSE math if
3626 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3627 (rintsf2): Likewise.
3629 2006-10-29 Richard Guenther <rguenther@suse.de>
3631 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3632 to conversion optabs.
3633 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3634 as conversion optab.
3635 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3636 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3637 (lfloor_optab, lceil_optab): Adjust defines.
3638 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3639 lfloor and lceil optabs now being conversion optabs.
3640 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3641 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3642 New static helper function.
3643 (ix86_expand_lfloorceil): New function to expand lfloor and
3645 * config/i386/i386.md (lfloor<mode>2): Split into ...
3646 (lfloorxf<mode>2): ... x87 variant
3647 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3648 using ix86_expand_lfloorceil.
3649 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3651 * doc/md.texi (lfloorMN, lceilMN): Document.
3653 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3655 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3656 -mno-shared assembler option on mips targets.
3657 * configure, config.in: Regenerate.
3658 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3659 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3660 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3662 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3664 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3665 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3667 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3669 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3670 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3673 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3676 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3677 (fold_builtin_pow): Evaluate constant arguments at compile-time
3679 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3680 (do_mpfr_ckconv): New helper function.
3681 (do_mpfr_arg1): Use do_mpfr_ckconv.
3682 (do_mpfr_arg2): New.
3684 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3687 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3688 (-fdump-rtl-sched): Rename to ..
3689 (-fdump-rtl-sched1): here. Also fix file extension number.
3691 2006-10-28 Richard Guenther <rguenther@suse.de>
3693 * fold-const.c (maybe_canonicalize_comparison): Fix code
3696 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3698 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3699 (NON_QI_REG_P): Use IN_RANGE.
3700 (REX_INT_REGNO_P): Use IN_RANGE.
3701 (FP_REGNO_P): Use IN_RANGE.
3702 (SSE_REGNO_P): Use IN_RANGE.
3703 (REX_SSE_REGNO_P): Use IN_RANGE.
3704 (MMX_REGNO_P): Use IN_RANGE.
3705 (STACK_REGNO_P): New macro.
3706 (STACK_REG_P): Use STACK_REGNO_P.
3707 (NON_STACK_REG_P): Use STACK_REGNO_P.
3708 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3709 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3710 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3711 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3712 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3714 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3716 * except.h (output_function_exception_table): Add 'const char*' param.
3717 * except.c (switch_to_exception_section): Add 'const char*' param.
3718 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3719 and flag_function_sections is set, use a function-specific section.
3720 (output_function_exception_table): Add 'const char*' param.
3721 Adjust call to switch_to_exception_section.
3722 * final.c (rest_of_handle_final): Adjust calls to
3723 output_function_exception_table.
3724 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3725 * config.in: Regenerate.
3726 * configure: Likewise.
3728 2006-10-28 Richard Guenther <rguenther@suse.de>
3731 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3732 for maybe_canonicalize_comparison.
3733 (maybe_canonicalize_comparison): New function for canonicalizing
3735 (fold_comparison): Call it to canonicalize comparisons with
3738 2006-10-28 Richard Guenther <rguenther@suse.de>
3741 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3742 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3743 (expand_builtin): Adjust likewise.
3744 * genopinit.c (optabs[]): Add lround optab.
3745 * optabs.c (init_optabs): Initialize lround_optab.
3746 * optabs.h (enum convert_optab_index): Add COI_lround.
3747 (lround_optab): Define.
3748 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3749 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3751 (ix86_expand_lround): New function.
3752 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3754 * doc/md.texi (lroundMN2): Document.
3756 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3759 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3760 argument to HOST_WIDE_INT. Update function prototype.
3761 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3762 "size" argument to HOST_WIDE_INT. Update function prototype.
3764 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3766 * config/i386/i386.c (output_387_ffreep): Create output from a
3767 template string for !HAVE_AS_IX86_FFREEP.
3769 2006-10-27 Eric Christopher <echristo@apple.com>
3771 * config/darwin.c: Fix formatting and grammar.
3773 2006-10-27 Jan Hubicka <jh@suse.cz>
3775 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3776 to be thrown away soon when IGNORE is set.
3777 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3778 indicating when return value shall not be computed.
3779 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3781 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3783 * config/i386/i386.h (TARGET_GEODE):
3784 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3785 (TARGET_CPU_DEFAULT_geode): New macro.
3786 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3787 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3788 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3789 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3790 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3792 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3793 (processor_type): Add PROCESSOR_GEODE.
3795 * config/i386/i386.md: Include geode.md.
3798 * config/i386/i386.c (geode_cost): New initialized global
3800 (m_GEODE, m_K6_GEODE): New macros.
3801 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3802 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3803 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3804 x86_schedule): Use m_K6_GEODE instead of m_K6.
3805 (x86_movx, x86_cmove): Set up m_GEODE.
3806 (x86_integer_DFmode_moves): Clear m_GEODE.
3807 (processor_target_table): Add entry for geode.
3808 (processor_alias_table): Ditto.
3810 * config/i386/geode.md: New file.
3812 * doc/invoke.texi: Add entry about geode processor.
3814 2006-10-27 Mike Stump <mrs@apple.com>
3816 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3817 __DYNAMIC__ from here back to ...
3818 * config/darwin.h (CPP_SPEC): ... here.
3820 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3821 Nathan Sidwell <nathan@codesourcery.com>
3823 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3824 when choosing the minimum heapsize.
3826 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3828 * gcc/unwind-dw2.h: Move cfa-related variables into
3829 struct frame_state_reg_info to ensure that the CFA is properly
3830 handled when executing DW_CFA_{remember,restore}_state.
3831 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3832 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3833 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3834 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3835 gcc/config/rs6000/linux-unwind.h,
3836 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3837 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3838 Modify to use new cfa_* fields.
3840 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3842 * config/s390/s390.c (s390_init_frame_layout): Check positive
3845 2006-10-26 Ben Elliston <bje@au.ibm.com>
3847 * gimplify.c (get_name): Remove extraneous break.
3848 (gimplify_omp_for): Initialise ret with GS_OK.
3850 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3852 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3853 Add unix98.o to link line.
3855 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3858 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3859 Calculate compile-time constants using MPFR.
3860 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3861 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3863 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3865 * config/xtensa/lib2funcs.S: Use C-style comments.
3867 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3869 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3870 (file_table_relative_p): Likewise.
3871 (dwarf2out_finish): Likewise.
3872 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3874 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3876 * tree-ssa-structalias.c (intra_create_variable_infos):
3877 Don't recreate nonlocal_all if it already exists.
3879 2006-10-25 Richard Guenther <rguenther@suse.de>
3882 * optabs.h (enum optab_index): Remove OTI_lrint.
3883 (enum convert_optab_index): Add COI_lrint.
3884 (lrint_optab): Adjust.
3885 (expand_sfix_optab): Declare.
3886 * optabs.c (expand_sfix_optab): New function.
3887 (init_optabs): Init lrint_optab as conversion optab.
3888 * genopinit.c (lrint_optab): Change to a conversion optab.
3889 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3890 expansion via conversion optab.
3891 * config/i386/i386.md (*fistdi2_1): Remove
3892 flag_unsafe_math_optimizations guard.
3893 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3894 fist<mode>2_with_temp): Likewise.
3895 (lrint<mode>2): Split into...
3896 (lrintxf<mode>2): ... x87 part
3897 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3898 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3899 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3900 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3901 * doc/md.texi (lrintMN2): Document.
3903 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3906 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3907 Use inc and dec instructions for TARGET_USE_INCDEC.
3908 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3909 ("sync_double_compare_and_swap<mode>"): Likewise.
3910 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3911 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3912 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3913 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3914 ("sync_old_add<mode>"): Likewise.
3915 ("sync_lock_test_and_set<mode>"): Likewise.
3916 ("sync_lock_test_and_set<mode>"): Likewise.
3917 ("sync_add<mode>"): Likewise.
3918 ("sync_sub<mode>"): Likewise.
3919 ("sync_ior<mode>"): Likewise.
3920 ("sync_and<mode>"): Likewise.
3921 ("sync_xor<mode>"): Likewise.
3923 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3925 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3926 (remainder_optab): Define corresponding macro.
3927 (drem_optab): Remove.
3928 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3929 drem_optab initialization.
3930 * genopinit.c (optabs): Implement remainder_optab using
3931 remainder?f3 patterns. Remove drem_optab.
3932 * builtins.c (expand_builtin_mathfn_2): Handle
3933 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3934 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3935 expand_builtin_mathfn_2.
3937 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3938 depend on flag_unsafe_math_optimizations.
3940 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3941 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3942 Do not depend on flag_unsafe_math_optimizations. Use
3943 truncxf?f expander instead of truncxf?f_i387_noop.
3945 ("fpremxf4", "fprem1xf4"): Do not depend on
3946 flag_unsafe_math_optimizations.
3947 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3948 flag_unsafe_math_optimizations. Use truncxf?f expander
3949 instead of truncxf?f_i387_noop.
3951 * doc/md.texi (fmod, remainder): Document standard named pattern.
3953 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3954 David Daney <ddaney@avtrex.com>
3957 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3959 2006-10-25 Ben Elliston <bje@au.ibm.com>
3961 * doc/extend.texi (Variable Attributes): Typo fix.
3963 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3965 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3966 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3967 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3968 (FRAME_POINTER_REGNUM): Update register number to 21.
3969 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3970 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3972 * config/i386/i386.c (regclass_map): Add fpcr entry.
3973 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3975 (print_reg): Assert REGNO (x) != FPCR_REG.
3977 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3978 (DIRFLAG_REG): Renumber.
3979 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3980 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3981 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3982 hardcoded SSE register numbers.
3984 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3985 hardcoded MMX register numbers.
3987 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3991 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3993 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3994 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3995 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3996 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3998 2006-10-24 Richard Guenther <rguenther@suse.de>
4001 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4002 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4003 for deciding optimizations in consistency with fold-const.c
4004 (fold_builtin_unordered_cmp): Likewise.
4006 2006-10-24 Richard Guenther <rguenther@suse.de>
4008 * builtins.c (fold_builtin_floor): Fold floor (x) where
4009 x is nonnegative to trunc (x).
4010 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4011 nonnegative to FIX_TRUNC_EXPR.
4013 2006-10-24 Richard Guenther <rguenther@suse.de>
4015 PR tree-optimization/29567
4016 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4017 for TRUTH_NOT_EXPR. Clarify comments.
4019 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4022 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4023 at compile-time using MPFR. Change parameter VALUE to FUNC,
4025 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4026 for overflow and underflow at all times and avoid folding in
4029 2006-10-24 Ben Elliston <bje@au.ibm.com>
4031 * reload1.c: Formatting fixes.
4033 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4035 PR tree-optimization/14784
4036 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4037 * tree-ssa-structalias.c (get_constraint_for,
4038 intra_create_variable_infos): Set is_heapvar.
4039 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4040 non-heapvar pointer variables specially.
4042 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4045 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4046 fold_builtin_tan): Fold all constant arguments. Take a "type"
4047 argument as necessary.
4048 (do_mpfr_arg1): New.
4049 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4051 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4053 * config/xtensa/lib1funcs.asm: Use C-style comments.
4055 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4057 * tree.c (local_define_builtin): Replace calls to
4058 lang_hooks.builtin_function with add_builtin_function.
4059 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4061 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4063 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4064 common code to add_builtin_function.
4065 * langhooks.c (add_builtin_function): New function.
4066 (lhd_builtin_function): New function.
4067 * langhooks.h (struct lang_hooks): Change the signature of
4069 (add_builtin_function): New function.
4070 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4071 calls to lang_hooks.builtin_function with add_builtin_function.
4072 * c-common.c (decl_builtin_1): Replace calls to
4073 lang_hooks.builtin_function with add_builtin_function.
4074 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4075 lang_hooks.builtin_function with add_builtin_function.
4076 * config/frv/frv.c (def_builtin): Replace calls to
4077 lang_hooks.builtin_function with add_builtin_function.
4078 * config/s390/s390.c (s390_init_builtins): Replace calls to
4079 lang_hooks.builtin_function with add_builtin_function.
4080 * config/sparc/sparc.c (def_builtin): Replace calls to
4081 lang_hooks.builtin_function with add_builtin_function.
4082 * config/i386/i386.c (def_builtin): Replace calls to
4083 lang_hooks.builtin_function with add_builtin_function.
4084 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4085 lang_hooks.builtin_function with add_builtin_function.
4086 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4087 lang_hooks.builtin_function with add_builtin_function.
4088 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4089 Replace calls to lang_hooks.builtin_function with
4090 add_builtin_function.
4091 * config/iq2000/iq2000.c (def_builtin):
4092 Replace calls to lang_hooks.builtin_function with
4093 add_builtin_function.
4094 * config/ia64/ia64.c (def_builtin): Replace calls to
4095 lang_hooks.builtin_function with add_builtin_function.
4096 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4097 lang_hooks.builtin_function with add_builtin_function.
4098 (altivec_init_builtins): Replace calls to
4099 lang_hooks.builtin_function with add_builtin_function.
4100 * config/arm/arm.c (def_mbuiltin): Replace calls to
4101 lang_hooks.builtin_function with add_builtin_function.
4102 (arm_init_tls_builtins): Replace calls to
4103 lang_hooks.builtin_function with add_builtin_function.
4104 * config/mips/mips.c (mips_init_builtins): Replace calls to
4105 lang_hooks.builtin_function with add_builtin_function.
4106 * config/bfin/bfin.c (def_builtin): Replace calls to
4107 lang_hooks.builtin_function with add_builtin_function.
4108 * langhooks-def.h (lhd_builtin_function): New function.
4109 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4111 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4113 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4114 BUILT_IN_STRNCAT_CHK.
4116 2006-10-23 Jan Hubicka <jh@suse.cz>
4118 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4119 don't do conversion from memmove to memcpy here.
4120 (expand_builtin_bcopy, expand_builtin): Update call of
4121 expand_builtin_memmove.
4122 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4124 2006-10-23 Paul Brook <paul@codesourcery.com>
4126 * stor-layout.c (start_record_layout): maximum_field_alignment
4127 overrides STRUCTURE_SIZE_BOUNDARY.
4129 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4131 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4132 nonlocal function symbols if flag_pic.
4134 2006-10-23 Richard Guenther <rguenther@suse.de>
4138 * builtins.c (fold_binary): Remove checks for flag_wrapv
4139 and flag_trapv where negate_expr_p covers these cases.
4141 2006-10-23 Richard Guenther <rguenther@suse.de>
4144 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4145 of two on the absolute value.
4146 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4147 and negating -C does not overflow.
4149 2006-10-23 Richard Guenther <rguenther@suse.de>
4152 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4153 only if not flag_rounding_math.
4155 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4156 Kaz Kojima <kkojima@gcc.gnu.org>
4159 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4160 SImode memory reference for the source of a movua.
4161 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4162 (movua): Use an unspec instead of sign_extract. Expect the source
4163 to have mode BLKmode.
4164 (extv, insv): Use a BLKmode rather than SImode memory reference
4165 for the source of a movua.
4167 2006-10-22 Jeff Law <law@redhat.com>
4168 Richard Guenther <rguenther@suse.de>
4170 PR tree-optimization/15911
4171 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4172 (register_edge_assert_for_1): Likewise.
4173 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4174 (find_conditional_asserts): Adjust for new function signature.
4175 (find_assert_locations): Likewise.
4177 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4179 * config/i386/tmmintrin.h: Remove the duplicated content.
4181 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4183 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4184 (x86_64-*-*): Likewise.
4186 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4187 (override_options): Check SSSE3.
4188 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4189 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4190 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4191 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4192 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4193 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4194 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4195 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4196 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4197 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4198 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4199 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4200 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4201 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4202 IX86_BUILTIN_PABSD128.
4203 (bdesc_2arg): Add SSSE3.
4204 (bdesc_1arg): Likewise.
4205 (ix86_init_mmx_sse_builtins): Support SSSE3.
4206 (ix86_expand_builtin): Likewise.
4207 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4209 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4210 (UNSPEC_PSIGN): Likewise.
4211 (UNSPEC_PALIGNR): Likewise.
4212 Include mmx.md before sse.md.
4214 * config/i386/i386.opt: Add -mssse3.
4216 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4217 (ssse3_phaddwv4hi3): Likewise.
4218 (ssse3_phadddv4si3): Likewise.
4219 (ssse3_phadddv2si3): Likewise.
4220 (ssse3_phaddswv8hi3): Likewise.
4221 (ssse3_phaddswv4hi3): Likewise.
4222 (ssse3_phsubwv8hi3): Likewise.
4223 (ssse3_phsubwv4hi3): Likewise.
4224 (ssse3_phsubdv4si3): Likewise.
4225 (ssse3_phsubdv2si3): Likewise.
4226 (ssse3_phsubswv8hi3): Likewise.
4227 (ssse3_phsubswv4hi3): Likewise.
4228 (ssse3_pmaddubswv8hi3): Likewise.
4229 (ssse3_pmaddubswv4hi3): Likewise.
4230 (ssse3_pmulhrswv8hi3): Likewise.
4231 (ssse3_pmulhrswv4hi3): Likewise.
4232 (ssse3_pshufbv16qi3): Likewise.
4233 (ssse3_pshufbv8qi3): Likewise.
4234 (ssse3_psign<mode>3): Likewise.
4235 (ssse3_psign<mode>3): Likewise.
4236 (ssse3_palignrti): Likewise.
4237 (ssse3_palignrdi): Likewise.
4238 (abs<mode>2): Likewise.
4239 (abs<mode>2): Likewise.
4241 * config/i386/tmmintrin.h: New file.
4243 * doc/extend.texi: Document SSSE3 built-in functions.
4245 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4247 2006-10-22 Ira Rosen <irar@il.ibm.com>
4249 * tree-vect-transform.c (vectorizable_load): Use the type of the
4250 return value of the mask_for_load builtin to create realign_load
4253 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4255 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4258 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4260 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4261 (UNSPEC_LDDQU): This.
4262 * config/i386/sse.md (sse3_lddqu): Updated.
4264 2006-10-21 Richard Guenther <rguenther@suse.de>
4266 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4267 (expand_builtin): Use it to expand lrint instead of
4268 expand_builtin_mathfn.
4270 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4273 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4274 flag_unsafe_math_optimizations is set.
4276 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4279 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4280 patterns to use memory input operand in x87->mem->XMM
4281 reload sequences. Skip transformation for TARGET_K8.
4283 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4285 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4286 force operand1 to register if both operands are memory operands.
4287 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4288 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4289 if both operands are memory operands.
4290 (truncdfsf2): Do not force operand1 to register if both operands
4291 are memory operands.
4293 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4295 * Makefile.in (LIBS): Add $(GMPLIBS).
4296 * doc/install.texi: Update GMP and MPFR requirements.
4297 * doc/sourcebuild.texi (need_gmp): Delete.
4299 2006-10-21 Richard Guenther <rguenther@suse.de>
4301 PR tree-optimization/3511
4302 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4303 got new invariant arguments during PHI translation.
4305 2006-10-21 Richard Guenther <rguenther@suse.de>
4308 * fold-const.c (fold_comparison): Fold signed comparisons
4309 of the form X +- C1 CMP Y +- C2.
4311 2006-10-21 Richard Guenther <rguenther@suse.de>
4314 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4315 if flag_unsafe_math_optimizations is specified. We have
4316 flag_finite_math_only for that.
4317 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4318 or flag_unsafe_math_optimizations.
4320 2006-10-21 Richard Guenther <rguenther@suse.de>
4322 * builtins.c (fold_builtin_classify): Fix typo.
4324 2006-10-21 Richard Guenther <rguenther@suse.de>
4327 * simplify-rtx.c (simplify_const_relational_operation):
4328 Do not constant-fold ORDERED and UNORDERED for
4329 flag_unsafe_math_optimizations but only we do not need to
4330 honor NaNs for the given mode.
4332 2006-10-21 Richard Guenther <rguenther@suse.de>
4335 * config/i386/i386.c (classify_argument): Remove redundant
4336 walking of the BINFOs.
4337 (contains_128bit_aligned_vector_p): Likewise.
4339 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4341 * BASE-VER: Set to 4.3.0.
4343 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4345 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4346 (tree_decl_with_vis): Remove artificial_pta_var flag.
4347 * tree-flow.h (referenced_var_check_and_insert): Expose.
4348 (nonlocal_all): New prototype.
4349 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4350 (nonlocal_all): Make global.
4351 (nonlocal_lookup): Remove.
4352 (nonlocal_insert): Ditto.
4353 (create_nonlocal_var): Do not call nonlocal_insert.
4354 (get_nonlocal_id_for_type): Remove.
4355 (find_global_initializers): Mark new vars we find for renaming.
4356 (intra_create_variable_infos): Only create one nonlocal.
4357 (expand_nonlocal_solutions): Remove.
4358 (compute_points_to_sets): Don't call it.
4359 (ipa_pta_execute): Ditto.
4360 (init_alias_heapvars): Don't create nonlocal_for_type.
4361 (delete_alias_heapvars): Don't remove it.
4362 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4365 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4367 * doc/install.texi (Downloading GCC): Clarify mention of
4368 Fortran in the "full distribution" description.
4370 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4372 Fix PR tree-optimization/28778
4373 Fix PR tree-optimization/29156
4374 Fix PR tree-optimization/29415
4375 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4376 (tree_decl_with_vis): Add artificial_pta_var flag.
4377 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4378 pushed into callers.
4379 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4380 (nonlocal_all): Ditto.
4381 (struct variable_info): Add directly_dereferenced member.
4382 (var_escaped_vars): New variable.
4383 (escaped_vars_tree): Ditto.
4384 (escaped_vars_id): Ditto.
4385 (nonlocal_vars_id): Ditto.
4386 (new_var_info): Set directly_dereferenced.
4387 (graph_size): New variable
4388 (build_constraint_graph): Use graph_size.
4389 (solve_graph): Don't process constraints that cannot change the
4390 solution, don't try to propagate an empty solution to our
4392 (process_constraint): Set directly_dereferenced.
4393 (could_have_pointers): New function.
4394 (get_constraint_for_component_ref): Don't process STRING_CST.
4395 (nonlocal_lookup): New function.
4396 (nonlocal_insert): Ditto.
4397 (create_nonlocal_var): Ditto.
4398 (get_nonlocal_id_for_type): Ditto.
4399 (get_constraint_for): Allow results vector to be empty in the case
4400 of string constants.
4401 Handle results of calls properly.
4402 (update_alias_info): Update alias info stats on number and type of
4404 (find_func_aliases): Use could_have_pointers.
4405 (make_constraint_from_escaped): Renamed from
4406 make_constraint_to_anything, and changed to make constraints from
4408 (make_constraint_to_escaped): New function.
4409 (find_global_initializers): Ditto.
4410 (create_variable_info_for): Make constraint from escaped to any
4411 global variable, and from any global variable to the set of
4413 (intra_create_variable_infos): Deal with escaped instead of
4414 pointing to anything.
4415 (set_uids_in_ptset): Do type pruning on directly dereferenced
4417 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4418 (init_base_vars): Fix comment, and initialize escaped_vars.
4419 (need_to_solve): Removed.
4420 (find_escape_constraints): New function.
4421 (expand_nonlocal_solutions): Ditto.
4422 (compute_points_to_sets): Call find_escape_constraints and
4423 expand_nonlocal_solutions.
4424 (delete_points_to_sets): Don't fall off the end of the graph.
4425 (init_alias_heapvars): Initialize nonlocal_for_type and
4427 (delete_alias_heapvars): Free nonlocal_for_type and null out
4430 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4432 * fold-const.c (add_double): Rename to add_double_with_sign.
4433 Add 'unsigned_p' parameter and take it into account for the overflow.
4434 (mul_double): Rename to mul_double_with_sign.
4435 Add 'unsigned_p' parameter and take it into account for the overflow.
4436 (fold_div_compare): Call add_double_with_sign instead of add_double
4437 and mul_double_with_sign instead of mul_double, passing them the
4438 unsignedness of the type.
4439 * tree.h (add_double): Macroize.
4440 (add_double_with_sign): New prototype.
4441 (mul_double): Macroize.
4442 (mul_double_with_sign): New prototype.
4444 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4446 * config/score/crti.asm: New file.
4447 * config/score/crtn.asm: New file.
4448 * config/score/elf.h: New file.
4449 * config/score/mac.md: New file.
4450 * config/score/misc.md: New file.
4451 * config/score/mul-div.S: New file.
4452 * config/score/predicates.md: New file.
4453 * config/score/score7.md: New file.
4454 * config/score/score.c: New file.
4455 * config/score/score-conv.h: New file.
4456 * config/score/score.h: New file.
4457 * config/score/score.md: New file.
4458 * config/score/score-mdaux.c: New file.
4459 * config/score/score-mdaux.h: New file.
4460 * config/score/score-modes.def: New file.
4461 * config/score/score.opt: New file.
4462 * config/score/score-protos.h: New file.
4463 * config/score/score-version.h: New file.
4464 * config/score/t-score-elf: New file.
4465 * config.gcc: Add score*-*-* configurations(Update before).
4466 * doc/invoke.texi (Score Options): New section.
4467 * doc/md.texi (Score family): New section to document constraints.
4469 2006-10-19 Nick Clifton <nickc@redhat.com>
4471 * config/arm/arm.c: Fix spelling typo.
4473 2006-10-18 Tom Tromey <tromey@redhat.com>
4475 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4477 2006-10-18 Jan Hubicka <jh@suse.cz>
4480 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4483 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4485 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4486 TSI_SAME_STMT, since that's the desired entity.
4488 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4490 * config/s390/contraints.md: New file.
4491 * config/s390/s390-protos.h (s390_mem_constraint,
4492 s390_O_constraint_str, s390_N_constraint_str,
4493 s390_float_const_zero_p): Function prototypes added.
4494 * config/s390/s390.c (s390_extra_constraint_str,
4495 s390_const_double_ok_for_constraint_p,
4496 s390_const_ok_for_constraint_p): Functions removed.
4497 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4498 s390_float_const_zero_p): New functions.
4499 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4500 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4501 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4502 Macro definitions removed.
4503 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4504 s390_extra_constraint_str): Functions removed.
4506 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4507 Richard Sandiford <richard@codesourcery.com>
4510 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4511 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4513 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4515 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4516 (DWARF2_FRAME_REG_OUT): Likewise.
4517 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4518 (DWARF2_FRAME_REG_OUT): Likewise.
4520 2006-10-17 Paul Brook <paul@codesourcery.com>
4522 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4524 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4526 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4527 Standardize on "GNU Fortran" as the official name of the Fortran
4530 2006-10-16 Mike Stump <mrs@apple.com>
4532 * doc/invoke.texi (Darwin Options): Document -mkernel.
4533 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4535 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4536 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4537 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4538 (OS_MISSING_ALTIVEC): Add.
4539 * config/i386/i386.c (override_options): Add
4540 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4541 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4542 -mkernel, -static or -mdynamic-no-pic is given.
4543 (C_COMMON_OVERRIDE_OPTIONS): Add.
4544 * config/darwin.opt (fapple-kext): Add.
4546 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4547 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4549 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4550 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4551 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4552 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4553 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4554 (flag_mkernel): Add.
4555 (flag_apple_kext): Add.
4556 (TARGET_KEXTABI): Add.
4557 * config/darwin.c (darwin_handle_kext_attribute): Add.
4558 (DARWIN_VTABLE_P): Add.
4559 (darwin_binds_local_p): Add partial support for rebinding vtables
4561 (darwin_kextabi_p): Add.
4562 (darwin_override_options): Add.
4563 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4564 (darwin_kextabi_p): Add.
4565 (darwin_override_options): Add.
4566 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4567 __DYNAMIC__ and __STATIC__ here.
4569 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4571 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4572 Added mention of "make pdf" target, and Texinfo requirements for
4575 2006-10-16 DJ Delorie <dj@redhat.com>
4577 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4578 into the GOT in case we need a subreg of the address.
4580 2006-10-16 Richard Guenther <rguenther@suse.de>
4583 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4584 SSE builtin documentation. Document SSE2 builtins.
4586 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4588 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4589 symbol in the output file for non-shared links when -nostdlib or
4590 -nodefaultlibs isn't specified.
4592 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4593 posix thread support.
4595 2006-10-15 Jan Hubicka <jh@suse.cz>
4598 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4599 declared always_inline even when not inlining.
4601 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4602 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4603 Andrew Pinski <pinskia@gmail.com>
4606 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4608 2006-10-15 Jan Hubicka <jh@suse.cz>
4609 Richard Guenther <rguenther@suse.de>
4612 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4613 process_function_and_variable_attributes on all variables, including
4614 those discovered during cgraph construction phase.
4616 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4618 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4620 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4622 * config/i386/athlon.md (athlon_fist): Add fisttp.
4624 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4625 Ian Lance Taylor <ian@airs.com>
4628 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4629 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4632 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4634 * config/score/score.c, config/score/score.h: Fix comment
4637 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4643 2006-10-13 Eric Christopher <echristo@apple.com>
4645 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4647 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4650 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4651 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4652 alignment supported by 32-bit ELF.
4654 2006-10-13 Eric Christopher <echristo@apple.com>
4656 * config/darwin.c (darwin_emit_unwind_label): Strip
4657 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4659 2006-10-13 Richard Guenther <rguenther@suse.de>
4661 PR tree-optimization/29446
4662 * tree-vrp.c (fix_equivalence_set): Remove.
4663 (extract_range_from_assert): Do not call fix_equivalence_set.
4664 (debug_value_range): Print a newline.
4665 (compare_name_with_value): For equivalence sets with
4666 inconsistent value ranges conservatively bail out.
4667 (compare_names): Likewise.
4669 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4671 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4672 and MPFR for gfortran.
4674 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4676 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4677 alignment supported by 32-bit ELF.
4679 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4683 * c-typeck.c (digest_init): Always allow initializing vectors
4684 that have static storage duration with compound literals.
4685 * tree.c (build_type_attribute_qual_variant): New, based on
4686 build_type_attribute_variant.
4687 (build_type_attribute_variant): Rewrite using the former.
4688 (make_vector_type): Use build_type_attribute_qual_variant to build
4689 type variants. Use type_hash_canon on the others.
4691 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4692 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4694 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4696 2006-10-12 Jan Hubicka <jh@suse.cz>
4699 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4700 current_function_decl is set but current_function_scope is not.
4702 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4704 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4705 emit_insn to emit eh_return_internal instruction.
4706 (eh_return_internal): Explicitly set pc.
4708 2006-10-11 Richard Guenther <rguenther@suse.de>
4710 PR tree-optimization/28230
4711 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4712 to the correct place.
4714 2006-10-11 Richard Guenther <rguenther@suse.de>
4717 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4720 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4722 * configure.ac: Added pdf to "Make-hooks"
4723 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4724 targets and *.pdf file patterns in cleanup targets.
4725 * configure: Regenerated.
4727 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4729 * config/avr/predicates.md: New file.
4730 * config/avr/avr.md: Include it.
4731 (REG_SP): New constant.
4732 (peepholes): Use predicates.
4733 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4734 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4735 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4737 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4739 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4742 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4745 * builtins.c (var_decl_component_p): New function.
4746 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4747 single entry optimization to variables and components thereof.
4749 2006-10-10 Richard Guenther <rguenther@suse.de>
4751 PR rtl-optimization/29323
4752 * except.c (set_nothrow_function_flags): For functions
4753 that do not bind local bail out early.
4755 2006-10-10 Ben Elliston <bje@au.ibm.com>
4757 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4760 2006-10-09 Richard Henderson <rth@redhat.com>
4762 Revert emutls patch.
4764 2006-10-09 Richard Guenther <rguenther@suse.de>
4767 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4770 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4773 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4774 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4775 * configure: Regenerate.
4776 * config.in: Regenerate.
4778 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4780 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4782 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4784 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4785 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4786 Remove stray newline.
4788 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4790 * config/mips/mips.c (mips_classify_symbol): Do not return
4791 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4792 (mips_in_small_data_p): Tweak comments.
4794 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4796 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4798 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4800 * gimplify.c, sched-int.h: Fix comment typos.
4802 * sched-int.h: Fix comment typos.
4804 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4806 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4808 * sched-ebb.c (begin_schedule_ready): Use them.
4809 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4810 add_to_speculative_block, create_check_block_twin, speculate_insn,
4811 fix_jump_move, move_block_after_check): Ditto.
4812 * sched-rgn.c (new_ready): Ditto.
4814 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4816 PR rtl-optimization/29128
4817 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4818 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4819 allow interblock movement of speculation checks.
4821 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4824 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4825 casted to integer type.
4826 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4827 if they are significantly more expensive than [reg + index] ones.
4829 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4831 PR tree-optimization/29330
4832 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4833 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4834 on newly allocated ddrs.
4835 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4836 to VEC (loop_p, heap) pointer.
4837 (compute_data_dependences_for_loop): Adjust caller.
4838 (free_dependence_relations): Free DDR_LOOP_NEST.
4840 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4841 free DEPENDENCE_RELATIONS and DATAREFS.
4844 * builtins.c (expand_builtin_sync_operation,
4845 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4846 Use convert_to_mode to handle promoted arguments.
4848 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4850 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4852 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4854 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4856 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4858 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4859 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4860 Use <modeconstraint> instead of "r" as operand 1 constraint.
4862 2006-10-06 Olivier Hainque <hainque@adacore.com>
4864 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4865 Don't recurse on the pointed-to type.
4866 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4867 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4868 types with components of variable size.
4870 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4872 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4874 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4876 PR tree-optimization/29290
4877 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4881 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4882 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4885 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4886 the number of vector elements fill the rest with zeros.
4888 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4890 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4891 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4894 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4896 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4897 unnamed pattern into subsi3. Use correct constraints/predicates.
4898 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4899 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4901 2006-10-05 Ira Rosen <irar@il.ibm.com>
4903 * doc/loop.texi: Add data references analysis description.
4905 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4907 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4909 2006-10-04 Richard Henderson <rth@redhat.com>
4910 Jakub Jelinek <jakub@redhat.com>
4912 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4913 * builtin-types.def (BT_WORD): Make unsigned.
4914 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4915 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4916 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4917 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4918 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4919 * cgraph.c (decide_is_variable_needed): Look at force_output.
4920 Recurse for emulated tls.
4921 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4922 checks redundant with decide_is_variable_needed.
4923 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4924 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4926 * expr.c (emutls_var_address): New.
4927 (expand_expr_real_1): Expand emulated tls.
4928 (expand_expr_addr_expr_1): Likewise.
4929 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4930 * output.h (emutls_finish): Declare.
4931 * toplev.c (compile_file): Call it.
4932 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4933 address before wrapping in CONST.
4934 * varasm.c (emutls_htab, emutls_object_type): New.
4935 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4936 (get_emutls_object_name, get_emutls_object_type): New.
4937 (get_emutls_init_templ_addr, emutls_decl): New.
4938 (emutls_common_1, emutls_finish): New.
4939 (assemble_variable): When emulating tls, swap decls; generate
4940 constructor for the emutls objects.
4941 (do_assemble_alias): When emulating tls, swap decl and target name.
4942 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4944 * emutls.c: New file.
4945 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4946 tls_object for real tls.
4948 2006-10-04 Zack Weinberg <zackw@panix.com>
4950 Fix bug in constraint-check generator, reported by Rask Ingemann
4952 * genpreds.c (add_constraint): Don't remove anything from the
4954 (write_tm_constrs_h): Detect whether "op" argument is used, and
4955 mark it ARG_UNUSED if it isn't.
4956 (write_insn_const_int_ok_for_constraint): Skip the part of the
4957 expression that would test whether "op" (which is not available
4958 here) is a CONST_INT.
4960 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4963 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4965 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4967 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4968 current Leopard versions.
4969 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4971 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4973 * doc/install.texi: Fix typos.
4975 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4977 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4978 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4979 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4981 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4983 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4984 arg to be struct mach_header_64* instead.
4986 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4989 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4990 side effects after the outer expression's post side effects.
4992 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4994 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4995 comments to reflect actual behavior and relationship between
4996 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4998 * doc/c-tree.texi (Working with declarations): Fix documentation
4999 of FIELD_DECL likewise.
5001 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5004 * doc/extend.texi: Add used variable attribute description.
5006 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5009 * c.opt (Woverride-init): New.
5010 * c-opts.c (c_common_post_options): Default warn_override_init to
5012 * c-typeck.c (add_pending_init, output_init_element): Warn for
5013 overriding initializers without side effects.
5014 * doc/invoke.texi (-Woverride-init): Document.
5017 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5019 PR rtl-optimization/28096
5020 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5021 assignment has already been used as a destination earlier in the block.
5023 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5025 * builtins.c (expand_builtin_setjmp): Delete.
5026 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5027 <BUILT_IN_SETJMP_SETUP>: New case.
5028 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5029 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5030 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5031 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5032 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5033 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5034 (lower_function_body): Initialize it to false. If it is set to true
5035 at the end of the processing, emit the setjmp dispatcher.
5036 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5037 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5038 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5039 on the rhs of the assignment.
5040 (lower_builtin_setjmp): New function.
5041 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5042 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5043 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5044 to detect calls that can go to non-local labels. Use specific
5045 helper to create the abnormal edges associated with them.
5046 <MODIFY_EXPR>: Likewise.
5047 (make_abnormal_goto_edges): New function extracted from...
5048 (make_goto_expr_edges): ...here. Call it for computed gotos.
5049 (simple_goto_p): Minor tweak.
5050 (tree_can_make_abnormal_goto): New predicate.
5051 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5052 (tree_purge_dead_abnormal_call_edges): New function.
5053 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5054 (tree_purge_dead_abnormal_call_edges): Likewise.
5055 (make_abnormal_goto_edges): Likewise.
5056 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5057 Purge all dead abnormal edges if the call was in the last statement.
5058 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5059 (execute_fixup_cfg): If there are non-local labels in the function,
5060 scan the basic blocks and split them at calls that can go to non-local
5061 labels or add missing abnormal call edges. Write down the CFG in the
5063 (pass_fixup_cfg): Remove TODO_dump_func flag.
5064 * unwind-sjlj.c: Poison setjmp.
5065 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5066 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5067 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5068 (DONT_USE_BUILTIN_SETJMP): Document it.
5070 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5073 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5074 to 1 when __ppc64__ is defined.
5075 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5077 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5079 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5081 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5082 * config/ia64/unwind-hpux.c: Delete.
5084 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5086 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5087 on the element before gimplifying it, instead of punting if it is of
5090 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5092 * doc/loop.texi: New file.
5093 * doc/gccint.texi: Reference loop.texi.
5094 * Makefile.in (loop.texi): Add.
5096 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5098 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5100 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5101 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5103 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5105 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5107 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5109 * doc/install.texi: Document required versions of GMP and MPFR.
5111 2006-09-27 Paul Brook <paul@codesourcery.com>
5114 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5116 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5118 * reload1.c (alter_reg): Require the alignment of the stack slot to
5119 be at least reg_max_ref_width bytes.
5120 (scan_paradoxical_subregs): Record the largest width in
5123 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5127 * tree-nested.c (struct nesting_info): Added static_chain_added.
5128 (convert_call_expr): Set static_chain_added when adding static
5129 chain. Handle OMP_PARALLEL and OMP_SECTION.
5131 2006-09-25 Matthias Klose <doko@debian.org>
5133 * doc/invoke.texi: Add missing full stop.
5135 2006-09-25 Richard Henderson <rth@redhat.com>
5137 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5138 before cgraph_function_flags_ready.
5140 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5141 Adam Nemet <anemet@caviumnetworks.com>
5143 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5144 determine_common_wider_type): New functions.
5145 (get_computation_aff): Use them to simplify arithmetic between
5146 UBASE and CBASE if they are shortened from the same type.
5148 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5151 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5152 -2147483647 - 1 instead of 0x80000000.
5154 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5156 * flags.h (HONOR_NANS): Fix typo in comment.
5158 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5160 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5162 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5166 * tree.c (merge_attributes, attribute_list_contained): If both
5167 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5169 * c-typeck.c (comptypes_internal): Don't consider aggregates
5170 in different TUs as compatible if there one set of attributes is
5171 not a subset of the other type's attributes.
5172 (composite_type): Try harder not to create a new aggregate type.
5174 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5176 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5177 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5178 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5179 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5180 than replicating condition above.
5181 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5183 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5184 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5185 the linker by default.
5187 2006-09-22 Mike Stump <mrs@apple.com>
5189 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5192 2006-09-22 Richard Guenther <rguenther@suse.de>
5195 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5196 sort of stack variables stable.
5198 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5201 * explow.c (force_reg): Set REG_POINTER flag according to
5204 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR tree-optimization/28888
5207 * tree-if-conv.c (combine_blocks): Rewritten.
5208 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5209 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5211 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5213 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5216 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5218 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5220 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5222 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5224 2006-09-21 Roger Sayle <roger@eyesopen.com>
5227 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5228 dw_fde_current_label, to be the start of the function, i.e. the same
5229 value as dw_fde_begin.
5231 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5233 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5234 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5235 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5236 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5237 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5238 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5239 (abs<mode>2, neg<mode>2): Likewise.
5240 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5241 (*mips_abs_ps): New define_insn.
5243 2006-09-20 Josh Conner <jconner@apple.com>
5246 * calls.c (expand_call): Allow reuse of structure return stack
5249 2006-09-20 Paul Brook <paul@codesourcery.com>
5251 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5254 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5256 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5257 clean up terminology.
5259 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5262 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5263 with tablejumps in them.
5265 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5268 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5269 wrap it into TARGET_EXPR.
5271 2006-09-20 Eric Christopher <echristo@apple.com>
5273 * config/i386/i386.c (x86_fisttp): Remove.
5274 * config/i386/i386.h (x86_fisttp): Ditto.
5275 (TARGET_FISTTP): Ditto.
5277 2006-09-19 Eric Christopher <echristo@apple.com>
5279 * doc/tm.texi (OBJC_JBLEN): Describe.
5280 * config/i386/darwin.h (OBJC_JBLEN): Define.
5281 * config/rs6000/darwin.h: Ditto.
5283 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5285 PR rtl-optimization/21299
5286 * reload1.c (reload): Purge invalid ASMs in the final pass.
5288 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5291 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5292 pointers as legitimate constants.
5294 2006-09-19 Paul Brook <paul@codesourcery.com>
5297 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5299 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5301 PR tree-optimization/28887
5302 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5303 component parts from the reference.
5304 (gather_memory_references_ref): Record the reference without the
5305 nonaddressable component parts.
5307 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5310 * c-opts.c (c_common_handle_option): Ignore the -std options
5311 if the input language is assembly.
5313 2006-09-17 Ira Rosen <irar@il.ibm.com>
5316 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5318 (ptr_ptr_may_alias_p): Likewise.
5319 (record_record_differ_p): New function.
5320 (base_object_differ_p): Call record_record_differ_p.
5322 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5325 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5326 away for the expr argument.
5328 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5331 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5332 before using it for dumping after vectorizing loops.
5334 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5335 Jack Howarth <howarth@bromo.med.uc.edu>
5338 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5339 skip on error_mark_node.
5340 (rs6000_darwin64_record_arg_recurse): Likewise.
5342 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5344 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5345 * doc/rtl.texi: Remove related documentation.
5347 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5349 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5352 2006-09-15 Jim Wilson <wilson@specifix.com>
5354 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5355 Handle symbol offsets same as they are handled in ia64_expand_move
5358 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5360 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5361 Add forgotten parameter to the fprintf call.
5363 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5365 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5367 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5369 * doc/contrib.texi: Add my entry.
5371 2006-09-15 Nick Clifton <nickc@redhat.com>
5373 * doc/md.texi (Processor pipeline description): Fix typo in
5374 example of how to use the absence_set directive and reword the
5375 description to make it slightly easier to read.
5377 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5379 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5380 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5381 expanding the number of iterations.
5382 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5384 * cfgrtl.c (emit_insn_at_entry): New function.
5385 * rtl.h (emit_insn_at_entry): Declare it.
5386 * integrate.c (emit_initial_value_sets): Use it.
5388 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5390 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5392 (struct loop_work and related VEC declarations): Delete.
5393 (bfin_dump_loops): Print out new member bad.
5394 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5395 (bfin_scan_loop): Don't recurse.
5396 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5397 loops. No longer need to update outer loops if the current one is
5398 found bad. Move some validitiy checks to bfin_discover_loop.
5399 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5400 but changed not to check for nesting. Also changed to use the new bad
5402 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5403 time. Use bitmap based test to discover loop nesting.
5405 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5407 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5410 2006-09-14 Richard Guenther <rguenther@suse.de>
5411 Kazu Hirata <kazu@codesourcery.com>
5413 PR middle-end/28884.
5414 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5415 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5416 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5417 with TARGET_FUNCTION_VALUE.
5419 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5422 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5424 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5426 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5429 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5432 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5435 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5437 * basic_block.h (bb_has_eh_pred): Fix comment.
5439 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5441 * flow.c (calculate_global_regs_live): Invalidate eh registers
5442 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5443 (propagate_block): Handle eh registers as if they were set at basic
5445 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5447 * global.c (global_conflicts): Make eh registers to conflict with
5448 pseudos live at basic block begin.
5449 * basic_block.h (bb_has_eh_pred): New function.
5451 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5453 PR rtl-optimization/28982
5454 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5455 index of a PRE_MODIFY or POST_MODIFY address.
5456 * reload1.c (inc_for_reload): Use find_replacement on the original
5457 base and index registers.
5459 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5461 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5462 for -Os. Update __m128 alignment requirement.
5464 2006-09-13 Jan Hubicka <jh@suse.cz>
5466 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5468 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5470 PR rtl-optimization/28243
5471 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5472 the insn to which the note was originally attached.
5474 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5475 Roger Sayle <roger@eyesopen.com>
5477 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5478 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5479 on platforms that don't use dwarf for debug info.
5481 2006-09-12 Jason Merrill <jason@redhat.com>
5484 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5485 hard_frame_pointer_rtx after using it to update the frame pointer.
5487 2006-09-12 Roger Sayle <roger@eyesopen.com>
5489 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5490 (TARGET_ASM_CLOSE_PAREN): Likewise.
5491 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5492 (TARGET_ASM_CLOSE_PAREN): Likewise.
5494 2006-09-12 Roger Sayle <roger@eyesopen.com>
5497 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5498 frame information for frames larger than 512 Kbytes on Tru64 when
5499 using the native assembler.
5501 2006-09-12 Roger Sayle <roger@eyesopen.com>
5505 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5506 and symbols. Instead use the implementation from cse.c's hash_rtx.
5508 2006-09-12 Jan Hubicka <jh@suse.cz>
5510 PR rtl-optimization/28071
5511 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5512 (vect_transform_loop): Likewise.
5513 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5514 (new_loop_vec_info): Likewise.
5515 (destroy_loop_vec_info): Likewise.
5516 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5517 (create_stmt_ann): Likewise.
5518 (create_tree_ann): Rename to ...
5519 (create_tree_common_ann): ... this one; allocate only the common part
5521 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5522 (get_value_handle): Likewise.
5523 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5524 get_tree_common_ann.
5525 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5526 (vinfo_for_stmt): Use stmt annotations.
5527 * tree-flow.h (tree_ann_common_t): New type.
5528 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5529 (tree_ann, get_tree_ann, create_tree_ann): New.
5530 * tree-flow-inline.h (get_function_ann): Do more type checking.
5531 (stmt_ann): Likewise.
5532 (tree_ann): Rename to ...
5533 (tree_common_ann): ... this one; return ony common_ann
5534 (get_tree_ann): Rename to ...
5535 (tree_common_ann): This one; return only common_ann.
5536 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5539 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5541 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5542 with_cpu by default.
5544 * dwarf2out.c (dwarf_file_data): New.
5545 (enum dw_val_class): Add dw_val_class_file.
5546 (struct dw_val_struct): Add val_file.
5547 (file_table): Change to a hash table.
5548 (file_table_emitted): Delete.
5549 (file_table_last_lookup_index): Delete.
5550 (emitcount): Delete.
5551 (last_emitted_file): New.
5552 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5553 (init_file_table): Delete.
5554 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5555 (AT_addr): Add comment.
5559 (print_die): Handle dw_val_class_file.
5560 (print_dwarf_line_table): Update for new file table structure.
5561 (attr_checksum): Do checksum a filename.
5562 (same_dw_val_p, same_attr_p): Do compare a filename.
5563 (size_of_die): Handle dw_val_class_file.
5564 (value_format): Likewise.
5565 (output_die): Likewise. Also, call maybe_emit_file here.
5566 (struct file_info): Constify filenames. Make file_idx a pointer
5567 to a struct dwarf_file_data.
5568 (struct dir_info): Constify directory names. Remove 'used' field.
5569 (struct file_name_acquire_data): New.
5570 (file_name_acquire): New.
5571 (output_file_names): Modify to handle new file data structures.
5572 (add_src_coords_attributes): Use add_AT_file.
5573 (add_call_src_coords_attributes): Likewise.
5574 (dwarf2out_imported_module_or_decl): Likewise.
5575 (gen_subprogram_die): Modify for new file data structures.
5576 (gen_variable_die): Likewise.
5577 (file_table_eq): New.
5578 (file_table_hash): New.
5579 (file_table_last_lookup): New.
5580 (lookup_filename): Rewrite to handle new file data structures.
5581 (maybe_emit_file): Rewrite to handle new file data structures.
5582 (dwarf2out_source_line): Always call lookup_filename and
5584 (dwarf2out_init): Create file_table here.
5585 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5586 (file_table_relative_p): New.
5587 (dwarf2out_finish): Change detection of relative filenames
5588 to work with new file data structures. Move output_line_info call
5589 after debug_info output.
5591 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5596 * config/i386/i386.c (override_options): Always default to 16
5597 byte stack boundary.
5599 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5602 * var-tracking.c (dump_dataflow_set): Start dumping at
5604 (clobber_variable_part): Kill only the variable part in
5605 registers holding it, leaving other variables alone.
5607 2006-09-11 Josh Triplett <josh@freedesktop.org>
5609 * doc/extend.texi (Other Builtins): Actually use the macro
5610 argument in the documentation example for
5611 __builtin_types_compatible_p.
5613 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5615 PR rtl-optimization/28726
5616 * sched-deps.c (sched_analyze_reg): New function extracted from...
5617 (sched_analyze_1): ...here. Call it to analyze references to
5618 registers. Treat again writes to a stack register as writing to the
5620 (sched_analyze_2): ...and here. Call it to analyze references to
5621 registers. Treat again reads of a stack register as reading the
5624 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5625 David Edelsohn <edelsohn@gnu.org>
5628 * config/rs6000/spe.md (frob_df_di): Remove %H.
5629 (frob_di_df): Remove %H. Change evmergelo to mr.
5630 (frob_di_df_2): Remove %H. Change evldd to two loads.
5632 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5634 * doc/cpp.texi: Fix names of charset options.
5636 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5639 * config/i386/i386.c (override_options): Use 128-bit
5640 stack boundary always for 64bits.
5642 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5644 PR rtl-optimization/28636
5645 * combine.c (force_to_mode): Test for side-effects before
5646 substituting by zero.
5647 (simplify_shift_const): Likewise for zero or other constants.
5649 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5652 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5655 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5658 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5659 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5660 returned by mode_for_size, rather than the mode of src itself,
5661 to choose between 32-bit and 64-bit patterns.
5662 (mips_mem_fits_mode_p): New function.
5663 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5664 that the size of the source matches the size of the destination.
5665 (mov_<store>l, mov_<store>r): Likewise.
5667 2006-09-10 Eric Christopher <echristo@apple.com>
5669 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5672 2006-09-09 Eric Christopher <echristo@apple.com>
5675 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5678 2006-09-09 Roger Sayle <roger@eyesopen.com>
5679 Nicolas Setton <setton@adacore.com>
5681 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5683 2006-09-10 Andreas Schwab <schwab@suse.de>
5685 * config/m68k/m68k.md (bungt_rev): New pattern.
5687 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5688 Dale Johannesen <dalej@apple.com>
5691 * regclass.c (struct reg_pref): Update documentation.
5692 (regclass): Set prefclass to NO_REGS if memory is the best option.
5693 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5695 2006-09-08 Eric Christopher <echristo@apple.com>
5697 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5698 * config/t-slibgcc-darwin: Support x86_64 multilib.
5699 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5700 Return 1 for x86_64-darwin.
5701 * config/i386/t-darwin: Add m64 multilib.
5702 (LIB2_SIDITI_CONV_FUNCS): Use.
5703 (LIB2FUNCS_EXTRA): Ditto.
5704 * config/i386/darwin.h: Support x86_64.
5705 * config/i386/i386.c (override_options): Turn on flag_pic
5706 for x86_64-darwin. Disable flag_omit_pointer.
5707 (get_pc_thunk_name): Assert !TARGET_64BIT.
5708 (legitimate_address_p): Disable machopic addressing for
5710 (legitimize_pic_address): Ditto.
5711 (ix86_expand_move): Ditto.
5712 (ix86_expand_call): Ditto.
5713 (machopic_output_stub): Ditto.
5714 * config/darwin.c (machopic_select_section): Support literal16.
5715 (machopic_select_rtx_section): Ditto.
5716 * config/darwin-sections.def: Ditto.
5717 * config/darwin-64.c: New.
5719 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5722 * c-tree.h (struct c_arg_info): Add pending_sizes.
5723 * c-parser.c (c_parser_parms_declarator,
5724 c_parser_parms_list_declarator): Initialize pending_sizes.
5725 * c-decl.c (get_parm_info): Initialize pending_sizes.
5726 (get_parm_info): Set pending_sizes.
5727 (grokdeclarator): Call put_pending_sizes for parameters for
5728 function definition only.
5730 2006-09-07 Jason Merrill <jason@redhat.com>
5733 * varasm.c (output_constant): Only strip actual no-op conversions.
5736 * config/i386/i386.c (override_options): Use 128-bit
5737 stack boundary if -msse.
5739 2006-09-07 Eric Christopher <echristo@apple.com>
5741 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5743 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5746 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5748 * dwarf2out.c: Remove strange characters from comment above
5749 dwarf2out_frame_debug_expr.
5751 2006-09-07 Eric Christopher <echristo@apple.com>
5753 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5754 * config/darwin.h: ... to here.
5756 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5758 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5760 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5761 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5763 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5764 TARGET_PARTIAL_FLAG_REG_STALL.
5765 (*ashldi3_cconly_rex64): Likewise.
5766 (*ashlsi3_cmp): Likewise.
5767 (*ashlsi3_cconly): Likewise.
5768 (*ashlsi3_cmp_zext): Likewise.
5769 (*ashlhi3_cmp): Likewise.
5770 (*ashlhi3_cconly): Likewise.
5771 (*ashlqi3_cmp): Likewise.
5772 (*ashlqi3_cconly): Likewise.
5773 (*ashrdi3_cmp_rex64): Likewise.
5774 (*ashrdi3_cconly_rex64): Likewise.
5775 (*ashrsi3_cmp): Likewise.
5776 (*ashrsi3_cconly): Likewise.
5777 (*ashrsi3_cmp_zext): Likewise.
5778 (*ashrhi3_cmp): Likewise.
5779 (*ashrhi3_cconly): Likewise.
5780 (*ashrqi3_cmp): Likewise.
5781 (*ashrqi3_cconly): Likewise.
5782 (*lshrdi3_cmp_rex64): Likewise.
5783 (*lshrdi3_cconly_rex64): Likewise.
5784 (*lshrsi3_cmp): Likewise.
5785 (*lshrsi3_cconly): Likewise.
5786 (*lshrsi3_cmp_zext): Likewise.
5787 (*lshrhi3_cmp): Likewise.
5788 (*lshrhi3_cconly): Likewise.
5789 (*lshrqi2_cmp): Likewise.
5790 (*lshrqi2_cconly): Likewise.
5792 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5795 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5796 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5797 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5798 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5799 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5800 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5801 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5802 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5803 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5804 implement only CC setting effects of shift instructions.
5806 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5808 * doc/contrib.texi: Add myself.
5810 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5813 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5814 was set by the user.
5816 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5819 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5820 (divsi_inv_m1): Use them.
5821 (UNSPEC_DIV_INV_TABLE): New constant.
5823 2006-09-06 James E Wilson <wilson@specifix.com>
5826 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5827 then call count_or_remove_death_notes.
5829 2006-09-06 Jason Merrill <jason@redhat.com>
5832 * tree-inline.c (copy_result_decl_to_var): New fn.
5833 (declare_return_variable): Use it. Call declare_inline_vars here.
5834 (expand_call_inline): Not here.
5836 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5838 * doc/contrib.texi: Update my entry.
5840 2006-09-06 Nick Clifton <nickc@redhat.com>
5842 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5844 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5847 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5848 (canonicalize_induction_variables): Likewise.
5849 (tree_unroll_loops_completely): Likewise.
5850 (tree_ssa_prefetch_arrays): Likewise.
5851 (remove_empty_loops): Likewise.
5852 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5853 TODO_cleanup_cfg instead of directly calling
5854 cleanup_tree_cfg_loop.
5855 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5857 (tree_unroll_loops_completely): Likewise.
5858 (remove_empty_loops): Likewise.
5859 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5860 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5861 of tree_ssa_unswitch_loops.
5862 (tree_ssa_loop_ivcanon): Use the return value of
5863 canonicalize_induction_variables.
5864 (tree_ssa_empty_loop): Use the return value of
5866 (tree_complete_unroll): Use the return value of
5867 tree_unroll_loops_completely.
5868 (tree_ssa_loop_prefetch): Use the return value of
5869 tree_ssa_prefetch_arrays.
5870 * passes.c (execute_todo): Before Cleanup CFG, set
5871 updating_used_alone and after cleanup CFG, call
5872 recalculate_used_alone.
5874 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5877 * tree-vect-transform.c (vectorizable_condition): Move the check
5878 for the type after the check for simple condition.
5880 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5881 Kaz Kojima <kkojima@gcc.gnu.org>
5884 * mode-switching.c (optimize_mode_switching): Make the destination
5885 block of an abnormal edge have no anticipatable mode. Don't
5886 insert mode switching code at the end of the source block of
5889 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5891 PR rtl-optimization/26847
5892 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5893 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5894 (simplify_plus_minus): Count n_constants while filling ops. Replace
5895 qsort with insertion sort. Before going through the array to simplify
5896 pairs, sort it. Delay early exit until after the first sort, exiting
5897 only if no swaps occurred. Simplify pairs in reversed order, without
5898 special-casing the first iteration. Pack ops after simplifying pairs.
5900 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5902 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5903 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5904 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5905 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5907 2006-09-05 Richard Guenther <rguenther@suse.de>
5909 PR tree-optimization/28900
5910 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5911 compound conditional before creating COND_EXPR condition.
5913 2006-09-05 Richard Guenther <rguenther@suse.de>
5915 PR tree-optimization/28905
5916 * tree-vrp.c (fix_equivalence_set): Manually implement
5917 !value_ranges_intersect_p to also handle symbolic ranges.
5919 2006-09-05 Richard Guenther <rguenther@suse.de>
5922 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5925 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5927 PR rtl-optimization/27616
5928 * cse.c (table_size): New static variable.
5929 (new_basic_block): Initialize it to 0.
5930 (remove_from_table): Decrement it.
5931 (insert): Increment it.
5932 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5933 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5934 fold_rtx_mem_1 if under the cap.
5935 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5936 the lookup of the equivalent expression and test for equality of the
5937 first operand of the equivalent expression before in turn looking up
5938 an equivalent constant for the second operand.
5940 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5943 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5944 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5945 pointer, instead of assuming it is possible to derive the
5946 correct args size from a call insn.
5948 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5951 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5952 (fold_builtin_mempcpy): Rename to...
5953 (fold_builtin_memory_op): ... this. Optimize one element copy
5955 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5957 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5958 (expand_builtin_memcpy, expand_builtin_mempcpy,
5959 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5960 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5961 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5962 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5964 2006-09-01 DJ Delorie <dj@redhat.com>
5966 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5967 (stzx_16): Likewise.
5968 ("stzx_24_<mode>"): Likewise.
5969 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5970 ("cmp<mode>_op"): New.
5971 (cmp<mode>): Change to expander; just save operands.
5973 (b<code>): Change to expander, emit compare here.
5974 (s<code>_op): Change to use split and expander.
5975 (s<code>_24_op): Likewise.
5976 (s<code>_<mode>): New.
5977 (s<code>_<mode>_24): New.
5978 (movqicc_<code>_<mode): New.
5979 (movhicc_<code>_<mode>): New.
5982 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5983 (m32c_pend_compare): New.
5984 (m32c_unpend_compare): New.
5985 (m32c_expand_scc): New.
5986 (m32c_expand_movcc): Emit the compare also.
5987 * config/m32c/predicates.md (mra_nopp_operand): New.
5989 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5990 Richard Guenther <rguenther@suse.de>
5991 Adam Nemet <anemet@caviumnetworks.com>
5994 * builtins.c (get_pointer_alignment): Handle more forms
5995 of base addresses that can be used to derive more precise
5996 information about alignment.
5998 2006-09-01 Jason Merrill <jason@redhat.com>
6001 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6004 * gimplify.c (voidify_wrapper_expr): Handle null type.
6006 2006-09-01 Josh Conner <jconner@apple.com>
6009 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6010 (execute_return_slot_opt): Use it.
6012 2006-08-31 Josh Conner <jconner@apple.com>
6015 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6016 returning aggregates.
6018 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6020 PR tree-optimization/28839
6021 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6022 blocks in that phi arguments appear.
6024 2006-08-31 Roger Sayle <roger@eyesopen.com>
6027 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6028 NULL, otherwise use an advance_loc4 to adjust relative to the
6030 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6031 (dwarf2out_switch_text_section): Reset the current label to avoid
6032 using advance_loc4 over section boundaries.
6034 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6037 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6038 r12 + SYMBOLIC_CONST.
6040 2006-08-30 Richard Guenther <rguenther@suse.de>
6042 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6044 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6046 PR rtl-optimization/27735
6047 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6048 Add new argument to keep track of whether an irreducible region
6049 was affected. All callers changed.
6050 (fix_irreducible_loops): Removed.
6051 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6052 flags were invalidated.
6054 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6056 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6057 instead of SF operands.
6058 (*fop_df_comm_sse): Likewise.
6059 (*fop_df_comm_i387): Likewise.
6060 (*fop_df_1_mixed): Likewise.
6061 (*fop_df_1_sse): Likewise.
6063 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6064 J"orn Rennecke <joern.rennecke@st.com>
6066 PR tree-optimization/17506
6067 * tree-ssa.c (warn_uninit): If warning about a location outside of
6068 the current function, note where the variable was declared.
6070 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6072 PR tree-optimization/28411
6073 * double-int.c (double_int_div): Use double_int_divmod.
6074 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6075 double_int_mod, double_int_smod, double_int_umod): New functions.
6076 * double-int.h (double_int_divmod, double_int_sdivmod,
6077 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6079 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6081 (get_computation_aff, get_computation_cost_at): Handle double_int
6082 return type of constant_multiple_of.
6084 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6087 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6088 an implicit conversion.
6090 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6092 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6094 2006-08-27 Roger Sayle <roger@eyesopen.com>
6096 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6099 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6101 * config/i386/crtfastmath.c: Fix a comment typo.
6103 2006-08-26 Roger Sayle <roger@eyesopen.com>
6105 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6106 temporary visit flags on CASE_LABEL_EXPRs.
6107 * c-common.c (match_case_to_enum): Add function comment. Avoid
6108 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6109 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6110 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6111 a constant, only warn if that constant value isn't handled.
6113 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6116 * input.h (restore_input_file_stack): Declare.
6117 (INPUT_FILE_STACK_BITS): Define.
6118 * toplev.c (fs_p, input_file_stack_history,
6119 input_file_stack_restored, restore_input_file_stack): New.
6120 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6121 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6122 (pop_srcloc): Don't free old state of stack.
6124 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6127 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6128 (PowerPC Type Attributes): New.
6130 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6132 * config/xtensa/xtensa.c (function_arg_boundary): New.
6133 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6135 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6136 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6138 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6141 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6144 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6146 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6147 (verify_local_live_at_start): Likewise.
6149 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6152 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6153 omp_add_variable): Treat sizes as variable whenever not
6156 2006-08-26 Richard Guenther <rguenther@suse.de>
6159 * fold-const.c (fold_binary): Fold temporary to correct
6160 type before constructing new comparison.
6162 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6165 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6166 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6168 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6171 * c-decl.c (start_function): Don't try to process prototype
6172 information from old declaration that isn't a function.
6174 2006-08-25 Jan Hubicka <jh@suse.cz>
6177 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6179 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6182 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6185 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6187 PR tree-optimization/16876
6188 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6189 exit if PARM doesn't match VALUE.
6191 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6193 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6194 literal_prefix directive.
6195 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6196 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6197 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6199 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6202 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6203 predicate to general_operand. Add 0->y and I->r alternatives.
6205 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6207 * doc/tm.texi: Fix a typo.
6208 * predict.c: Fix comment typos.
6210 2006-08-25 Nick Clifton <nickc@redhat.com>
6212 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6213 assertions of "cpu" and "machine".
6215 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6218 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6219 the access through a base which has an alias set of 0 cannot
6222 2006-08-24 Bill Wendling <wendling@apple.com>
6224 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6226 2006-08-24 Jan Hubicka <jh@suse.cz>
6228 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6230 2006-08-24 Jan Hubicka <jh@suse.cz>
6233 * cgraph.c: Fix comments.
6234 (cgraph_varpool_mark_needed_node): Mark only variables not already
6236 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6237 (cgraph_varpool_assembled_nodes_queue): New static variable.
6238 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6239 (cgraph_varpool_output_debug_info): New function.
6240 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6241 * Makefile.in: Add gt-cgraphunit.h
6243 2006-08-24 Jan Hubicka <jh@suse.cz>
6245 * predict.c (probability_reliable_p): New predicate.
6246 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6247 (predict_loops): Do not predict loop exit with less than 2%
6249 * basic-block.h (edge_probability_reliable_p,
6250 br_prob_note_reliable_p): Declare.
6251 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6252 prediction when static predictor is not reliable.
6253 * rs6000.c (output_cbranch): Likewise.
6255 2006-08-23 Stuart Hastings <stuart@apple.com>
6258 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6259 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6261 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6264 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6265 complex values, nor for generic vector values.
6267 2006-08-22 Richard Guenther <rguenther@suse.de>
6270 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6271 parameter. Convert arguments to arithmetic expression to the
6273 (analyze_scalar_evolution_1): Adjust caller.
6275 2006-08-22 Jan Hubicka <jh@suse.cz>
6277 Patch by Paolo Bonzini
6278 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6281 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6283 PR tree-optimization/28003
6284 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6285 before grouping aliases.
6287 2006-08-22 Roger Sayle <roger@eyesopen.com>
6289 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6290 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6292 2006-08-21 Jason Merrill <jason@redhat.com>
6295 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6296 wrapper. Loop to handle nested wrappers.
6297 (gimplify_bind_expr): Remove temp parameter.
6298 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6299 and STATEMENT_LIST on the rhs.
6300 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6301 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6302 (gimplify_target_expr): Remove special BIND_EXPR handling.
6304 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6306 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6309 2006-08-21 Olivier Hainque <hainque@adacore.com>
6311 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6312 Arrange for the temporary captures of components overlapping the lhs
6313 to happen before the lhs is possibly cleared.
6315 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6317 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6318 necessary places to pass the correct "number of registers" values
6321 2006-08-20 Jan Hubicka <jh@suse.cz>
6323 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6324 (create_name_tags): Instead of quadratic checking use hashtable.
6325 * bitmap.h: Include hashtab.h.
6326 (bitmap_hash): Declare.
6327 * bitmap.c (bitmap_hash): New function.
6329 2006-08-20 Jan Hubicka <jh@suse.cz>
6331 PR rtl-optimization/28071
6332 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6334 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6335 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6336 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6337 cgraph_decide_inlining_incrementally): Update use of
6338 cgraph_check_inline_limits.
6339 * cgraph.c (edge_hash, edge_eq): New function.
6340 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6341 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6342 cgraph_remove_node): Maintain call site hash.
6343 * cgraph.h (struct cgraph_node): Add call_site_hash.
6344 (cgraph_set_call_stmt): New function.
6346 2006-08-20 Jan Hubicka <jh@suse.cz>
6348 PR rtl-optimization/28071
6349 * reload1.c (reg_has_output_reload): Turn into regset.
6350 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6351 choose_reload_regs, emit_reload_insns): Update to new
6352 reg_has_output_reload.
6354 2006-08-20 Jan Hubicka <jh@suse.cz>
6357 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6358 function body sizes.
6359 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6361 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6364 * tree.c (handle_dll_attribute): Return early if not a
6365 var or function decl.
6367 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6370 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6371 alignment of SPE vector types.
6373 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6375 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6377 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6380 * cgraph.h (struct cgraph_node): Remove externally_visible
6382 * cgraphunit.c (process_function_and_variable_attributes): Set
6383 local.externally_visible rather than externally_visible.
6386 * c-common.c (handle_externally_visible_attribute): First look
6387 at TREE_CODE and only if it is function or var decl, check for
6388 non-public objects. Don't warn for DECL_EXTERNAL.
6389 * cgraphunit.c (process_function_and_variable_attributes): Warn
6390 if externally_visible attribute is used on non-public object.
6392 2006-08-17 Jan Hubicka <jh@suse.cz>
6394 PR tree-optimization/27865
6395 * reload1.c (forget_marked_reloads): New function.
6396 (forget_old_reloads_1): When data are passed, just mark the registers
6398 (reload_as_needed): Use the new mechanizm.
6400 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6403 * reload.h (reg_equiv_alt_mem_list): New declaration.
6404 * reload1.c (reg_equiv_alt_mem_list): New definition.
6405 (reload): Initialize it and release it.
6406 (delete_output_reload): Use it.
6407 * reload.c (push_reg_equiv_alt_mem): New function.
6408 (find_reloads_toplev): Call it.
6409 (find_reloads_address, find_reloads_address_1): Likewise.
6410 (find_reloads_subreg_address): Likewise.
6412 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6414 PR rtl-optimization/28489
6415 * sched-ebb.c (begin_schedule_ready): Create basic block
6417 (advance_target_bb): Skip empty blocks.
6418 * haifa-sched.c (bb_note): Make global.
6419 * sched-int.h (bb_note): Add prototype.
6421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6423 PR tree-optimization/27865
6424 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6426 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6427 fold_used_pointer, pointer_used_p): New functions.
6428 (analyze_scalar_evolution_1): Use fold_used_pointer.
6429 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6430 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6433 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6436 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6437 or the INTEGER_CST. Fail on a CALL_EXPR.
6438 (fold_offsetof): Pass new argument to fold_offsetof_1.
6439 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6440 operand into an INDIRECT_REF.
6441 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6443 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6445 PR gcov/profile/26570
6446 * value-prof.c (static_values): Removed.
6447 (tree_find_values_to_profile): Do not set static_values.
6448 (find_values_to_profile): Do not free static_values.
6449 * profile.c (instrument_values): Do not free the values.
6450 (branch_prob): Free the values.
6452 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6454 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6456 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6459 * c-typeck.c (build_component_ref): Combine qualifiers of
6460 structure or union and field.
6462 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6464 PR rtl-optimization/28071
6465 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6466 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6467 * tree-into-ssa.c (struct dom_dfsnum): New.
6468 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6470 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6471 compute_global_livein.
6472 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6473 in phi nodes in the correct blocks.
6475 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6477 PR tree-optimization/28364
6478 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6480 (fold_affine_expr): New function.
6481 (may_eliminate_iv): Use fold_affine_expr.
6483 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6486 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6489 2006-08-16 Mike Stump <mrs@apple.com>
6491 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6492 * doc/cppopts.texi (-MD): Likewise.
6494 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6497 * c-common.c (handle_weak_attribute): Ignore and warn if
6498 not a FUNCTION_ or VAR_DECL.
6500 2006-07-15 Mike Stump <mrs@apple.com>
6503 * c-parser.c (c_parser_typeof_specifier): Don't use
6504 c_finish_expr_stmt, open code desired semantics instead.
6506 2006-08-15 Nick Clifton <nickc@redhat.com>
6508 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6509 fragment to tmake_file only if threads are enabled.
6510 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6511 * config/i386/t-gthr-win32: New file. ... here.
6513 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6516 * c-parser.c (c_parser_compound_statement_nostart): Reset
6517 parser->error after each statement.
6519 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6522 * omp-low.c (lower_omp_parallel): Convert t to
6523 receiver_decl's type.
6524 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6525 source before comparison.
6528 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6529 to itype in assignment to oldival2.
6531 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6535 * c-typeck.c (build_compound_expr): If the second expression
6536 is an error mark, then just return an error mark instead of
6537 creating a COMPOUND_EXPR.
6539 2006-07-14 Mike Stump <mrs@apple.com>
6541 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6543 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6545 * c-decl.c, var-tracking.c: Fix comment typos.
6547 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6549 PR rtl-optimization/28634
6550 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6551 for floating-point modes unless flag_unsafe_math_optimizations.
6553 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6554 Andrew Pinski <pinskia@physics.uc.edu>
6557 * tree.c (build_array_type): Unify array types with
6558 unspecified index_type.
6559 * c-decl.c (grokdeclarator): Make sure we do not modify a
6560 unified incomplete array type.
6561 * c-typeck.c (store_init_value): Create distinct type before
6562 filling in the index type in an initializer from a compound
6565 * c-decl.c (grokdeclarator): Remove code where we copy the
6568 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6570 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6571 into account for TODO_dump_cgraph.
6572 (TODO_update_ssa_no_phi): Likewise.
6573 (TODO_update_ssa_full_phi): Likewise.
6574 (TODO_update_ssa_only_virtuals): Likewise.
6575 (TODO_remove_unused_locals): Likewise.
6576 (TODO_set_props): Likewise.
6577 (TODO_update_stmt_usage): Likewise.
6579 2006-08-13 Dirk Mueller <dmueller@suse.de>
6581 * c-common.c (strict_aliasing_warning): Fix formatting.
6583 2006-08-13 Matthias Klose <doko@debian.org>
6585 * doc/invoke.texi: Fix spelling errors.
6587 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6589 PR rtl-optimization/23454
6590 * reorg.c (relax_delay_slots): Update comment.
6592 2006-08-11 Richard Guenther <rguenther@suse.de>
6595 * simplify-rtx.c (simplify_const_relational_operation):
6596 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6599 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6601 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6602 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6604 2006-08-10 Paul Brook <paul@codesourcery.com>
6606 * final.c (final_scan_insn): Clear current_insn_predicate before
6607 outputting inline asm.
6609 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6611 PR tree-optimization/26197
6612 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6613 get_ref_base_and_extent and overlap_subvar to add only relevant
6614 subvars as may-aliases.
6615 (add_may_alias_for_new_tag): New function, factored out of
6617 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6618 with additional argument.
6619 * tree-flow.h (new_type_alias): Takes additional argument.
6621 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6623 * gcov.c (no_data_file): New flag.
6624 (read_count_file): Set it if data file not present. Assume counts
6626 (output_lines): Don't name the data file, if there wasn't one.
6628 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6630 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6631 (rs6000_generate_compare): Tweak comments.
6632 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6634 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6636 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6637 (var_debug_decl): New function.
6638 (var_reg_set): Follow debug decl link. Add location even if
6639 reg is already known to hold some other variable.
6640 (var_mem_set): Follow debug decl link.
6641 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6642 decl link. Delete other known locations of the variable part
6644 (var_reg_delete, var_mem_delete): Delete other known locations
6645 of the variable part if requested.
6646 (same_variable_part_p): New function.
6647 (add_stores): Select MO_COPY when appropriate.
6648 (vt_initialize): Handle it.
6649 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6650 known locations for MO_SET and MO_CLOBBER.
6651 (find_variable_location_part): New function.
6652 (set_variable_part, delete_variable_part): Use it.
6653 (clobber_variable_part): New function.
6654 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6657 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6659 PR tree-optimization/26969
6660 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6661 with an empty list of PHIs.
6663 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6667 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6670 2006-08-06 Andreas Schwab <schwab@suse.de>
6672 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6673 string. Whitespace and comment fixup.
6675 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6678 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6682 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6685 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6687 2006-08-04 Jan Hubicka <jh@suse.cz>
6691 * reload.c (push_reload): Patch out the mismatching instruction;
6693 (find_reload): Bail out if the instruction was patched out.
6695 2006-08-04 Jan Hubicka <jh@suse.cz>
6697 PR tree-optimization/24888
6698 * tree-inline.c (expand_call_inline): Do not re-record variables.
6699 (declare_inline_vars): Add variable to unexpanded_var_list.
6701 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6702 Roger Sayle <roger@eyesopen.com>
6704 PR rtl-optimization/26244
6705 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6706 inner_const are negative or greater than or equal to the bitsize of
6707 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6708 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6709 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6710 CONST0_RTX (mode) when the new shift count is greater than or equal to
6711 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6714 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6716 * tree-cfg.c: Fix a comment typo.
6718 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6721 * varasm.c (output_constant): Give the front end another chance to
6722 expand constants, after stripping NOPs.
6724 2006-08-03 Jan Hubicka <jh@suse.cz>
6726 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6729 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6731 PR tree-optimization/27770
6732 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6733 declaration removed (moved to tree-flow.h).
6734 (vect_can_force_dr_alignment_p): Likewise.
6735 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6736 (moved from tree-vectorizer.h).
6737 (vect_can_force_dr_alignment_p): Likewise.
6738 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6739 from outside the vectorizer - in particular from cgraph stage.
6740 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6741 the alignment of global arrays when -fsection-anchors is enabled.
6742 * cgraphunit.c (cgraph_increase_alignment): New function.
6743 (cgraph_optimize): Call cgraph_increase_alignment.
6745 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6748 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6749 not reload a SPE symbol_ref into a lo_sum address.
6751 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6754 * dwarf2out.c (prune_unused_types_prune): Move call to
6755 prune_unused_types_update_strings to cover the parent DIE also.
6757 2006-08-02 Jan Hubicka <jh@suse.cz>
6759 PR gcov/profile/28480
6760 * tree-cfg.c (change_bb_for_stmt): New function.
6761 (tree_merge_blocks, tree_split_blocks): Use it.
6763 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6769 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6770 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6771 (cgraph_optimize): Likewise.
6773 2006-08-01 Stuart Hastings <stuart@apple.com>
6775 * rtl.h (UINTVAL) New.
6776 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6777 * testsuite/gcc.dg/20060801-1.c: New.
6779 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6782 * c-typeck.c (build_external_type): Mark used enum types.
6783 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6785 (gen_subprogram_die): Whitespace fix.
6787 2006-08-01 Jan Hubicka <jh@suse.cz>
6789 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6790 bitmap when not needed.
6791 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6794 2006-08-01 Dirk Mueller <dmueller@suse.de>
6796 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6798 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6800 * Makefile.in: Revert part of previous patch:
6801 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6804 2006-07-30 Eric Christopher <echristo@apple.com>
6807 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6808 (PowerPC Variable Attributes): New section.
6810 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6812 PR target/28126 (partial fix)
6813 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6815 2006-07-28 Jan Hubicka <jh@suse.cz>
6817 PR rtl-optimization/28071
6818 * cfgrtl.c (rtl_delete_block): Free regsets.
6819 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6821 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6823 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6824 and variables used in dependencies.
6826 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6828 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6829 %fs for -mcmodel=kernel.
6830 (stack_tls_protect_test_di): Likewise.
6832 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6834 * Makefile.in: Use mkinstalldirs.
6836 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6839 * opts-common.c (prune_options): Skip joined switches.
6841 2006-07-27 Jan Hubicka <jh@suse.cz>
6843 PR rtl-optimization/28071
6844 * cselib.c (cselib_process_insn): Don't remove useless values too
6845 often for very large hashtables.
6847 2006-07-27 Jan Hubicka <jh@suse.cz>
6849 PR rtl-optimization/28071
6850 * global.c (greg_obstack): New obstack.
6851 (allocate_bb_info): Use it.
6852 (free_bb_info): Likewise.
6853 (modify_reg_pav): Likewise.
6855 2006-07-27 Roger Sayle <roger@eyesopen.com>
6857 * builtins.c (fold_fixed_mathfn): When long and long long are the
6858 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6859 functions to their lceil*, lfloor*, lround* and lrint* forms.
6861 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6864 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6866 (rev_branch_insn): Likewise.
6868 2006-07-27 Jan Hubicka <jh@suse.cz>
6870 PR rtl-optimization/28071
6871 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6872 (reg_set_in_bb, max_reg_computed): New static variables.
6873 (regmove_optimize): Free the new array.
6874 (fixup_match_1): Update call of reg_is_remote_constant_p.
6876 2006-07-26 Jan Hubicka <jh@suse.cz>
6878 PR tree-optimization/27882
6879 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6881 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6883 (cgraph_analyze_compilation_unit): Likewise.
6884 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6885 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6886 (cgraph_early_inlinine): Make order garbage collected.
6887 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6889 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6891 * dbxout.c (output_types_sort): Add a comment.
6892 (output_used_types): Free the VEC.
6894 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6896 * function.c (reorder_fix_fragments): Delete.
6897 (reorder_blocks): Don't call it.
6898 (reorder_blocks_1): Put all subblocks under the origin block.
6900 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6902 PR rtl-optimization/27907
6903 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6906 2006-07-25 Roger Sayle <roger@eyesopen.com>
6909 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6910 bar(x) check that bar's result type can represent all the values of T.
6912 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6914 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6916 2006-07-25 Nick Clifton <nickc@redhat.com>
6918 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6919 size_lookup[] array.
6920 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6921 (ggc_pch_count_object): Likewise.
6922 (ggc_pch_alloc_object): Likewise.
6923 (ggc_pch_write_object): Likewise.
6924 (init_ggc): Do not attempt to initialize entries in the
6925 size_lookup[] array for objects whose size is greater than than
6926 the length of the array.
6928 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6930 * dbxout.c (output_used_types_helper): Push queued types
6932 (output_types_sort): New.
6933 (output_used_types): Collect used types on a VEC and sort them
6936 2006-07-24 Richard Guenther <rguenther@suse.de>
6939 * cgraph.c (cgraph_remove_node): Do not check if dumps
6941 * cgraphunit.c (cgraph_optimize): Likewise.
6943 2006-07-24 Jan Hubicka <jh@suse.cz>
6945 PR rtl-optimization/28071
6946 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6947 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6948 splitting before first stmt.
6950 2006-07-24 Jan Hubicka <jh@suse.cz>
6952 PR rtl-optimization/28071
6953 * ipa-inline.c (update_caller_keys): Remove edges that
6954 are no longer inline candidates.
6956 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6959 * dbxout.c (output_used_types_helper, output_used_types): New.
6960 (dbxout_symbol): Call output_used_types.
6962 2006-07-23 Jan Hubicka <jh@suse.cz>
6966 * cgraph.c (cgraph_varpool_nodes): Export.
6967 (decide_is_variable_needed): Ignored "used" attribute in
6968 unit-at-a-time mode.
6969 * cgraph.h (cgraph_varpool_nodes): Declare.
6970 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6971 unit-at-a-time mode.
6973 2006-07-23 Roger Sayle <roger@eyesopen.com>
6976 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6977 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6978 the __gthrw form of thr_keycreate.
6979 (__gthread_key_delete): Silence the unused argument warning.
6981 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6984 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6985 Cache the last found '\0' marker to avoid quadratic behavior.
6987 2006-07-23 Jan Hubicka <jh@suse.cz>
6989 * i386.md (subsi_3_zext): Fix output template.
6991 2006-07-21 Mike Stump <mrs@apple.com>
6993 * doc/invoke.texi (C++ Dialect Options): Note that
6994 -fvisibility-inlines-hidden doesn't affect explicitly
6995 instantiationed inline methods.
6997 2006-07-20 Roger Sayle <roger@eyesopen.com>
6999 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7000 if the target assembler is GNU binutils' gas.
7001 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7002 whether to pass GNU gas or native as command line options.
7004 2006-07-20 Jason Merrill <jason@redhat.com>
7006 * tree.c (remove_attribute): New fn.
7007 * tree.h: Declare it.
7009 2006-07-20 Paul Brook <paul@codesourcery.com>
7012 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7013 they are invalidated by this instruction.
7015 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7018 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7020 2006-07-20 Eric Christopher <echristo@apple.com>
7023 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7025 2006-07-19 Eric Christopher <echristo@apple.com>
7027 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7028 Rewrite dependencies for libgcc_s.1.dylib.
7030 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7032 * except.c (duplicate_eh_regions_1): Clear next_peer.
7034 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7036 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7037 -mlongcall does not guarantee all calls will be long.
7038 * doc/extend.texi (long_call/short_call): Document that longcall
7039 does not guarantee a long call will be used.
7040 (longcall/shortcall): Likewise.
7042 2006-07-18 Roger Sayle <roger@eyesopen.com>
7045 * expmed.c (expand_shift): Additionally check that the shift_cost
7046 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7047 before implementing a LSHIFT_EXPR as a sequence of additions.
7048 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7049 middle-end that DImode shifts need to be synthesized by expand.
7051 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7054 * tree-ssa-operands.c (access_can_touch_variable): Update
7056 Return true if ALIAS is .GLOBAL_VAR.
7058 2006-07-18 David Daney <ddaney@avtrex.com>
7060 * gcc.c (display_help): Fix typo in help text.
7062 2006-07-18 Olivier Hainque <hainque@adacore.com>
7064 * tree.h (categorize_ctor_elements): Adjust prototype and add
7065 descriptive comment, both in accordance with the interface change
7067 * varasm.c (constructor_static_from_elts_p): New function.
7068 Whether a constructor node is a valid static constant initializer
7069 if all its elements are.
7070 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7071 * output.h: Declare it.
7072 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7073 is a valid constant initializer instead of computing the number of
7074 non-constant elements. Use constructor_static_from_elts_p for this
7075 purpose. Replace the head comment with an indication that this is a
7076 helper for categorize_ctor_elements.
7077 (categorize_ctor_elements): Same interface change as for the _1
7078 helper. Former head comment from this helper moved here, adjusted to
7079 account for the interface changes.
7080 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7081 (all_zeros_p): Likewise.
7082 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7083 static versions of the constructor from the categorize_ctor_elements
7084 return value instead of the formerly computed number of non-constant
7087 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7089 * configure: Regenerate.
7090 * Makefile.in (build_libsubdir): New configure substitution
7091 (build_libobjdir): New variable.
7092 (BUILD_LIBIBERTY): Use it.
7094 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7097 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7099 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7102 * c-common.c (handle_weakref_attribute): Ignore attribute in
7103 the same conditions the alias attribute is ignored.
7105 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7107 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7108 (dbxout_begin_prologue): Increment scope_labelno.
7110 2006-07-17 Richard Henderson <rth@redhat.com>
7113 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7116 2006-07-17 Roger Sayle <roger@eyesopen.com>
7117 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7119 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7120 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7121 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7122 functions such as sbrk, write, etc.. Add function prototypes.
7123 Convert function declarations from K&R to ISO C. Cast pointers
7124 to "long" and "unsigned long" instead of "int" and "unsigned int".
7125 Convert tokens following #endif into comments.
7127 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7129 * invoke.texi: Remove mention of f77; Reformat table for
7130 inline parameter options correctly; mention that -malign-double
7131 is default on x86-64 targets.
7133 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7135 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7136 (convert_affine_scev, chrec_convert_aggressive): Use
7137 avoid_arithmetics_in_type_p. Do not check for the subtypes
7140 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7143 * optabs.c (expand_doubleword_shift): Wrap the call to
7144 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7146 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7149 * optabs.c (expand_binop): Pass next_methods rather than methods
7150 to expand_doubleword_shift.
7152 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7155 * tree.h (dump_addr): Declare.
7156 * print-tree.c (dump_addr): New function.
7157 (print_node_brief, print_node): Use it.
7158 * print-rtl.c (print_rtx): Likewise.
7159 * common.opt (-fdump-noaddr): New option.
7160 * doc/invoke.texi (-fdump-noaddr): Document.
7161 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7162 (ve_info_hash): Likewise.
7164 2006-07-13 Andrew Haley <aph@redhat.com>
7166 PR tree-optimization/19505
7167 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7168 edge leaving this block, make sure that the destination of this
7169 block has only one predecessor.
7171 2006-07-17 Richard Guenther <rguenther@suse.de>
7173 PR tree-optimization/28238
7174 * tree-inline.c (copy_bb): Check if we produced valid
7175 gimple copying and substituting a stmt. If not, gimplify
7178 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7180 * optabs.c (maybe_encapsulate_block): New function extracted from...
7181 (emit_libcall_block): ...here. Invoke it on the block of insns to
7182 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7183 (emit_no_conflict_block): Likewise.
7185 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7187 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7189 2006-07-15 Roger Sayle <roger@eyesopen.com>
7191 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7192 a new NOP_EXPR case of the switch statement.
7194 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7197 * stor-layout.c (place_field): Take the bit field with
7198 an excessive size into account in the ms-bitfiled case.
7201 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7202 the previous bit field.
7204 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7207 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7209 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7211 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7212 signal frames correctly even when the signal was installed with
7215 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7217 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7218 (dbxout_function_end): Use local label LFBB. Remove hook
7220 (dbxout_source_line): Use local label LFBB.
7221 (dbxout_block): Likewise.
7222 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7223 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7224 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7225 and DBX_OUTPUT_NFUN.
7227 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7229 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7231 2006-07-13 Jan Hubicka <jh@suse.cz>
7233 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7235 * output.h (align_variable): Declare.
7236 * varasm.c (align_variable): Export.
7237 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7238 when basic block changed.
7240 2006-07-13 Nick Clifton <nickc@redhat.com>
7242 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7243 walking the LOG_LINKS chain.
7245 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7247 * doc/invoke.texi (C++ Dialect Options): Explain difference
7248 between -fvisibility-inlines-hidden and setting hidden
7249 visibility explicitly.
7251 2006-07-12 Eric Christopher <echristo@apple.com>
7253 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7254 (stmp-lipo): Depend on libgcc.a.
7256 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7258 * tree.c: Fix a comment typo.
7260 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7262 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7264 (umulhisi3_r): Likewise.
7266 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7269 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7270 x < 19, vs wchar_t support.
7272 2006-07-12 Nick Clifton <nickc@redhat.com>
7274 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7275 instead of -isa=sh4.
7277 2006-07-12 Mike Stump <mrs@apple.com>
7279 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7281 2006-07-10 Eric Christopher <echristo@apple.com>
7283 * config/t-slibgcc-darwin: Rewrite.
7285 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7288 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7291 2006-07-08 Matthias Klose <doko@debian.org>
7293 * doc/sourcebuild.texi: Fix typo.
7295 2006-07-07 Mike Stump <mrs@apple.com>
7297 * toplev.c (process_options): Don't give -ffunction-sections may
7298 affect debugging warning for Mach-O.
7300 2006-07-07 James E Wilson <wilson@specifix.com>
7302 * config/mips/mips.md (cpu): Add sb1a.
7303 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7304 addition to sb1. Adjust comments to clarify SB-1A differences from
7306 (ir_sb1a_load): New. Modify bypasses to use it.
7307 (ir_sb1a_simple_alu): Likewise.
7308 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7309 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7310 (mips_issue_rate): Add PROCESSOR_SB1A.
7311 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7312 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7313 (TARGET_SB1): Add PROCESSOR_SB1A check.
7314 (TUNE_SB1): Likewise.
7316 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7317 * config/mips/mips.c (mips_store_data_bypass_p): New.
7318 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7319 store_data_bypass_p.
7321 2006-07-08 Paul Brook <paul@codesourcery.com>
7324 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7326 2006-07-07 Richard Guenther <rguenther@suse.de>
7329 * tree.h (build_one_cst): Declare.
7330 * tree.c (build_one_cst): New function.
7331 * tree-ssa-math-opts.c (get_constant_one): Remove.
7332 (insert_reciprocals): Use build_one_cst.
7333 * fold-const.c (fold_plusminus_mult): Likewise.
7335 2006-07-07 Roger Sayle <roger@eyesopen.com>
7337 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7338 * cfgloopanal.c (dump_graph): Likewise.
7339 * dojump.c (discard_pending_stack_adjust): Likewise.
7340 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7342 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7343 * function.c (finalize_block_changes): Likewise.
7344 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7345 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7346 * rtl.c (dump_rtx_statistics): Likewise.
7347 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7349 * varray.c (dump_varray_statistics): Likewise.
7350 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7351 decode_decimal64, encode_decimal128, decode_decimal128,
7352 decimal_real_to_decimal): Likewise.
7354 2006-07-07 Richard Guenther <rguenther@suse.de>
7356 PR tree-optimization/28187
7357 * tree-vrp.c (vrp_operand_equal_p): New function.
7358 (vrp_bitmap_equal_p): Likewise.
7359 (update_value_range): Use them to compare old and new
7362 2006-07-06 Roger Sayle <roger@eyesopen.com>
7364 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7365 a default case to switch statement to silence compiler warnings.
7367 2006-07-06 Roger Sayle <roger@eyesopen.com>
7370 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7371 the configured assembler supports the x87's ffreep mnemonic.
7372 * configure: Regenerate.
7373 * config.in: Regenerate.
7375 * config/i386/i386.c (output_387_ffreep): New function.
7376 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7377 (output_387_reg_move): Likewise.
7379 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7381 Port to hosts whose 'sort' and 'tail' implementations
7382 treat operands with leading '+' as file names, as POSIX
7383 has required since 2001. However, make sure the code still
7384 works on pre-POSIX hosts.
7385 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7386 which says you should use "tail -c +N" rather than "tail +Nc".
7387 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7389 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7391 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7394 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7397 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7398 PRE_{INC,DEC} of TFmode.
7400 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7401 Alan Modra <amodra@bigpond.net.au>
7404 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7407 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7410 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7411 Remove duplicate gtu.
7413 2006-07-05 Jason Merrill <jason@redhat.com>
7417 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7418 * c-common.c (handle_packed_attribute): So don't copy it here.
7419 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7421 2006-07-05 Mike Stump <mrs@apple.com>
7423 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7425 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7428 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7430 2006-07-05 Richard Guenther <rguenther@suse.de>
7433 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7434 TARGET_SSE2 targets if using SSE math.
7435 (*absdf2_1): Likewise.
7437 2006-07-05 Richard Guenther <rguenther@suse.de>
7439 PR tree-optimization/28162
7440 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7441 make sure to convert the operands to the correct type.
7443 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7445 PR tree-optimization/28218
7447 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7448 to calculate and free the dominator information.
7450 2006-07-04 Peter O'Gorman <peter@pogma.com>
7452 * mklibgcc.in: chmod 644 before ranlib during install.
7454 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7455 J"orn Rennecke <joern.rennecke@st.com>
7457 * configure.ac (.eh_frame data check): Use diff -b.
7459 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7462 * Makefile.in (BUILD_RTL): Add build/vec.o.
7463 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7464 (build/genextract): Delete.
7465 (build/genautomata): Likewise.
7467 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7470 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7471 128-bit IBM long doubles for ABI_V4.
7473 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7475 * tree.c (range_in_array_bounds_p): New predicate.
7476 * tree.h (range_in_array_bounds_p): Declare it.
7477 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7478 return a less conservative answer.
7479 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7480 and flag 'is_group'.
7481 (IS_ELEMENT_FOR_GROUP): New macro.
7482 (FOR_EACH_ACTUAL_CHILD): Likewise.
7483 (next_child_for_group): New helper function.
7484 (can_completely_scalarize_p): Take into account groups.
7485 (sra_hash_tree): Handle RANGE_EXPR.
7486 (sra_elt_eq): Likewise.
7487 (lookup_element): Be prepared for handling groups.
7488 (is_valid_const_index): Delete.
7489 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7490 instead of is_valid_const_index.
7491 <ARRAY_RANGE_REF>: New case.
7492 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7493 is_valid_const_index.
7494 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7495 (scan_dump): Dump info for groups too.
7496 (decide_instantiation_1): Likewise.
7497 (decide_block_copy): Assert that the element is not a group.
7498 Propagate decision to groups.
7499 (generate_one_element_ref): Handle RANGE_EXPR.
7500 (mark_no_warning): Iterate over actual childs.
7501 (generate_copy_inout): Likewise.
7502 (generate_element_copy): Likewise.
7503 (generate_element_zero): Likewise.
7504 (generate_element_init_1): Likewise.
7505 (dump_sra_elt_name): Handle RANGE_EXPR.
7507 2006-07-03 Roger Sayle <roger@eyesopen.com>
7509 PR tree-optimization/26251
7510 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7511 (thread_block): When optimizing for size refuse to thread jumps
7512 that would require duplication of blocks other than redirection
7515 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7517 * configure.ac: Fix thinko in previous check-in.
7518 * configure: Regenerate.
7520 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7523 * configure.ac (for lang...): Simplify nesting of conditionals.
7524 Test subdir_requires for non-enabled languages. Move processing
7525 of lang_opt_files and lang_tree_fiels below that test.
7526 * configure: Regenerate.
7527 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7529 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7531 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7533 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7535 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7538 2006-06-29 Jason Merrill <jason@redhat.com>
7545 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7546 * c-common.c (c_determine_visibility): Handle it here.
7547 * c-decl.c (finish_decl): Call c_determine_visibility for
7549 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7551 * varasm.c (default_assemble_visibility): Likewise.
7552 * c-common.c (handle_visibility_attribute): Complain about trying
7553 to give visibility to an already defined class, or trying to change
7554 declared visibility. Always attach the attribute.
7559 * attribs.c (decl_attributes): Ignore type-in-place attributes
7560 once the type has been defined.
7562 2006-06-29 Roger Sayle <roger@eyesopen.com>
7565 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7566 to indicate the cpplib has issued an error message for us.
7568 2006-06-29 Asher Langton <langton2@llnl.gov>
7571 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7572 insert a label at the end of an function under Mach-O.
7574 2006-06-29 Eric Christopher <echristo@apple.com>
7575 Evan Cheng <evan.cheng@apple.com>
7577 * predicates.md (vector_all_ones_operand): New.
7578 (nonimmediate_or_sse_const_operand): Ditto.
7579 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7580 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7581 (standard_sse_mode_p): Ditto.
7582 (standard_sse_constant_p): Add case for -1 vector.
7583 (ix86_expand_vector_move): Try to use.
7584 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7585 Call standard_sse_constant_opcode.
7586 (*movv4sf_internal): Ditto.
7587 (*movv2df_internal): Ditto.
7589 2006-06-29 Roger Sayle <roger@eyesopen.com>
7591 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7592 of XEXP to extract the operands of a MATCH_CODE rtx.
7594 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7596 * tree.c (tree_size): Do not waste tail padding in
7597 struct tree_string and make the size be the same as
7598 build_string will generate.
7600 2006-06-28 Jason Merrill <jason@redhat.com>
7603 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7604 may_aliases already in the tag's annotations to the bitmap.
7606 2006-06-28 Roger Sayle <roger@eyesopen.com>
7608 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7610 2006-06-28 Roger Sayle <roger@eyesopen.com>
7612 * genpreds.c (generate_switch_p): New function.
7613 (add_mode_tests): Push the new mode test down inside an AND expr
7614 if this allows the switch-suitable MATCH_CODE to be near the root.
7615 (write_match_code_switch): New function to write a MATCH_CODE as
7617 (write_predicate_stmts): New function to write a predicate RTX
7618 expression as a sequence of statements.
7619 (write_one_predicate_function): Use write_predicate_stmts.
7620 (write_tm_constrs_h): Likewise.
7622 2006-06-26 Fred Fish <fnf@specifix.com>
7624 * config/mips/t-sb1: New file.
7625 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7628 2006-06-26 DJ Delorie <dj@redhat.com>
7630 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7632 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7633 Jayant Sonar <jayants@kpitcummins.com>
7634 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7636 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7637 (subsi3, subsi3_1, subsi3_2): New.
7638 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7639 * config/m32c/mov.md (SI mov peephole): New.
7640 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7641 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7643 2006-06-26 Olivier Hainque <hainque@adacore.com>
7645 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7646 a CALL_EXPR target function declaration.
7648 2006-06-26 Richard Guenther <rguenther@suse.de>
7650 * tree.c (build_string): Do not waste tail padding in
7653 2006-06-26 Richard Guenther <rguenther@suse.de>
7655 * ggc-page.c (init_ggc): Add missing element to size_lookup
7659 2006-06-23 Richard Guenther <rguenther@suse.de>
7661 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7662 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7663 alignment requests instead. Add verification code.
7664 Add struct tree_function_decl and struct tree_binfo size to
7665 extra_order_size_table. Add missing element to size_lookup
7668 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7671 * fold-const.c (const_binop): Be prepared for self returning zero.
7672 Simplify code handling complex values.
7674 2006-06-24 Olivier Hainque <hainque@adacore.com>
7676 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7677 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7680 2006-06-24 Olivier Hainque <hainque@adacore.com>
7682 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7683 ARRAY_REF, so have the callback called for the low bound expression.
7685 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7687 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7688 * c-typeck.c (c_common_type): Disallow operations on decimal float
7689 types and other float types.
7690 * convert.c (convert_to_real): Don't ignore conversions involving
7691 decimal float types.
7693 2006-06-23 Olivier Hainque <hainque@adacore.com>
7695 * tree.c (max_int_size_in_bytes): New function, inspired from
7696 code in function.c:assign_temp.
7697 * tree.h (max_int_size_in_bytes): Declare.
7698 * function.c (assign_temp): Use it.
7699 * gimplify.c (create_tmp_var): Relax the assertions on the type
7700 properties, not mandating constant size any more.
7701 (force_constant_size): New static function.
7702 (gimple_add_tmp_var): Use it, forcing variable size to a
7703 constant upper bound if it is not constant on entry.
7705 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7708 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7709 for initialization and setting of one_only flag to ...
7710 (i386_pe_encode_section_info): ...here.
7711 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7712 Recheck that the symbol has not been defined.
7714 2006-06-23 Richard Guenther <rguenther@suse.de>
7716 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7717 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7718 alignment requests instead. Add verification code.
7719 Add struct tree_function_decl and struct tree_binfo size to
7720 extra_order_size_table. Add missing element to size_lookup
7723 2006-06-22 Roger Sayle <roger@eyesopen.com>
7724 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7727 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7728 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7730 2006-06-23 Ben Elliston <bje@au.ibm.com>
7732 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7733 negate dn -- manipulate it directly.
7735 2006-06-22 Roger Sayle <roger@eyesopen.com>
7736 Steven Bosscher <stevenb.gcc@gmail.com>
7739 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7740 generated by gen_move_insn to add REG_LABEL notes if necessary.
7742 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7744 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7745 (leaf_entry): Remove use of MIN_ESA.
7747 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7749 PR rtl-optimization/28121
7750 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7753 2006-06-21 DJ Delorie <dj@redhat.com>
7755 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7757 (mulhisi3_r): Likewise.
7759 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7762 * coverage.c (coverage_counter_alloc): Leave the index type
7764 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7767 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7769 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7770 section from the "Options for Code Generation Conventions".
7772 2006-06-21 Richard Henderson <rth@redhat.com>
7776 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7778 (global_symbolic_operand): Allow weak symbols, even if local_p.
7780 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7782 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7783 (find_interesting_uses_address): Punt if above function returns true.
7785 2006-06-21 Richard Guenther <rguenther@suse.de>
7787 * configure: Regenerated.
7789 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7791 * config/mips/mips.c (function_arg): Where one part of a
7792 complex argument is in registers and the other part in the stack,
7793 return a REG not a PARALLEL.
7795 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7797 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7798 when cross-compiling. Do not substitute libstdcxx_incdir.
7799 * configure: Regenerated.
7801 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7803 * varasm.c (mergeable_string_section): Check for embedded NULs and
7804 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7805 rather than TREE_STRING_LENGTH bytes.
7807 2006-06-21 Richard Guenther <rguenther@suse.de>
7809 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7810 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7813 2006-06-21 Richrad Guenther <rguenther@suse.de>
7815 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7816 Limit iteration over the dominators.
7818 2006-06-20 Roger Sayle <roger@eyesopen.com>
7820 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7821 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7823 2006-06-20 Richard Guenther <rguenther@suse.de>
7824 Michael Matz <matz@suse.de>
7826 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7828 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7829 * et-forest.h (et_free_pools): Prototype new function.
7830 * et-forest.c (et_free_tree_force): Free parent occurrence.
7831 (et_free_pools): New function.
7832 * dominance.c (free_dominance_info): Free et-forest alloc
7835 2006-06-20 Roger Sayle <roger@eyesopen.com>
7837 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7838 integer modes, attempt to directly construct an integer constant.
7840 * fold-const.c (native_encode_vector): Determine the size of each
7841 element from the vector type instead of the first vector element.
7843 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7844 if all of its elements/components are constant.
7845 (build_constructor_from_list): Likewise.
7847 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7849 PR tree-optimization/27331
7850 * tree-data-ref.c (free_data_ref): New function.
7851 (create_data_ref): Fail if the data reference has unknown access
7853 (free_data_refs): Use free_data_ref.
7855 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7858 * tree-inline.c (setup_one_parameter): Strip useless
7859 type conversion before adding it to the IR.
7860 (declare_return_variable): Likewise.
7862 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7865 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7867 2006-06-19 Mike Stump <mrs@apple.com>
7869 * tree.c (variably_modified_type_p): VM arguments don't make the
7872 2006-06-19 Richard Guenther <rguenther@suse.de>
7874 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7875 type conversions after folding.
7877 2006-06-19 Richard Guenther <rguenther@suse.de>
7879 * ggc-page.c (extra_order_size_tab): Add entries with
7880 size of struct function and basic_block.
7881 (size_lookup): Extend to cover sizes up to 511.
7882 (ggc_alloc_stat): Adjust user.
7883 (ggc_pch_count_object): Likewise.
7884 (ggc_pch_alloc_object): Likewise.
7885 (ggc_pch_write_object): Likewise.
7887 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7889 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7890 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7893 2006-06-19 Denis Chertykov <denisc@overta.ru>
7895 * config/avr/libgcc.S : Correct my wrong previous commit.
7897 2006-06-19 Roger Sayle <roger@eyesopen.com>
7900 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7901 have stripped a SUBREG from the shift count, so we may need to
7902 convert_to_mode back to the type's mode before calling make_tree.
7903 Use new_amount instead of amount to avoid expanding a tree twice.
7905 2006-06-19 Richard Guenther <rguenther@suse.de>
7908 * fold-const.c (operand_equal_p): Check if the argument types
7909 have the same precision before stripping NOPs.
7911 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7913 Fix PR tree-optimization/27341
7914 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7916 * tree-complex.c (pass_lower_complex): Update SMT usage.
7918 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7920 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7921 Add a new alternative to the constraint strings. Add move of
7922 operand 1 to 3 to the splitter definition.
7923 ("doloop_si_long"): Second contraint alternative removed.
7925 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7927 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7928 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7930 (AVR_HAVE_MOVW) Define.
7931 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7932 (ASM_SPEC): Add avr25.
7933 (LINK_SPEC): Add avr25.
7934 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7935 (base_arch_s): Add new member 'have_movw_lpmx'.
7936 (avr_arch_types): Init 'have_movw_lpmx'.
7937 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7938 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7939 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7940 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7941 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7943 (avr_file_start): Do not output '.arh' derective.
7944 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7945 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7946 * config/avr/avr.md (mcu_enhanced): Delete.
7947 (mcu_have_movw): Define.
7948 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7949 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7950 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7951 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7952 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7953 attiny861 and at86rf401 devices.
7955 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7957 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7960 2006-06-17 Karl Berry <karl@gnu.org>
7962 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7963 doc/gccint.texi, doc/install.texi (@dircategory): Use
7964 "Software development" instead of "Programming", following
7965 the Free Software Directory.
7967 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7969 * config/i386/i386.c (legitimate_tls_address)
7970 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7971 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7972 (*tls_dynamic_gnu2_combine_64): Likewise.
7974 2006-06-16 Richard Guenther <rguenther@suse.de>
7977 * fold-const.c (negate_expr_p): Do not introduce undefined
7978 overflow in negating INTEGER_CSTs.
7979 (fold_negate_expr): Rename from negate_expr. Revert last
7980 change for folding BIT_NOT_EXPR. Change semantics to
7981 return NULL_TREE for non-simplified negations. Do not
7982 strip type conversions and unify type handling.
7983 (negate_expr): New function, wrap around fold_negate_expr
7984 but ensure building a tree always. Strip type conversions
7985 here, fold to result type.
7986 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7988 2006-06-16 Roger Sayle <roger@eyesopen.com>
7991 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7992 that (would) return their results in stack registers.
7994 2006-06-16 Michael Matz <matz@suse.de>
7995 Richard Guenther <rguenther@suse.de>
7997 * fold-const.c (fold_truthop): Only return new tree node if
7998 we canonicalized something.
8000 2006-06-16 Richard Guenther <rguenther@suse.de>
8002 * function.h (enum function_frequency): Move declaration
8003 out of struct function.
8004 (struct function): Move bool fields and the enum to the bitfield
8005 section. Reorder elements to avoid padding. Remove unused
8006 fields left over from the RTL inliner removal.
8007 * function.c (free_after_compilation): Do not zero removed fields.
8008 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8009 (ipa-type-escape.o): Likewise.
8011 2006-06-16 Richard Guenther <rguenther@suse.de>
8013 * cgraph.h (struct cgraph_local_info): Turn bool elements
8015 (struct cgraph_node): Likewise.
8016 (struct cgraph_varpool_node): Likewise.
8018 2006-06-15 Richard Guenther <rguenther@suse.de>
8020 * fold-const.c (fold_truth_not_expr): Rename from
8021 invert_truthvalue. Give it fold_* semantics to avoid
8023 (invert_truthvalue): New function. Wrapper around
8024 fold_truth_not_expr.
8025 (optimize_minmax_comparison): Avoid creating garbage.
8026 (fold_unary): Use fold_truth_not_expr for folding
8028 (fold_ternary): Replace uses of invert_truthvalue with
8029 fold_truth_not_expr where applicable.
8030 * tree.h (fold_truth_not_expr): Prototype.
8032 2006-06-16 Richard Guenther <rguenther@suse.de>
8034 PR tree-optimization/27781
8035 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8036 * ipa-pure-const.c (target.h): Include.
8037 (analyze_function): Do not analyze functions that do not
8040 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8043 * tree-dfa.c (referenced_vars_dup_list): Remove.
8044 (find_referenced_vars): Remove assert.
8045 (referenced_var_check_and_insert): Replace dup list with assert.
8046 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8047 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8049 2006-06-15 Richard Guenther <rguenther@suse.de>
8051 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8052 extra unused identifiers if not dumping.
8053 (create_variable_info_for): Likewise.
8055 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8057 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8058 (derive_constant_upper_bound): Derive more precise upper bound in
8059 common cases. Return type changed to double_int.
8060 (record_estimate): Reflect the changed return type of
8061 derive_constant_upper_bound.
8062 * double-int.c (double_int_zext, double_int_sext): Fix.
8064 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8066 * configure.ac (CFLAGS): Get them from the toplevel or from the
8067 configure invocation.
8068 * configure: Regenerate.
8069 * Makefile.in (CFLAGS): Substitute value provided by configure.
8071 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8074 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8075 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8076 rather than calling add_stmt on it.
8077 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8079 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8082 * reload1.c (reload): Remove registers returned by update_eliminables
8083 from used_spill_regs.
8085 2006-06-13 DJ Delorie <dj@redhat.com>
8087 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8089 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8091 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8092 html__strip_dir, html__mkdir_p. Enhance install-html target.
8093 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8094 * configure: Regenerate.
8096 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8098 * fold-const.c (fold_cond_expr_with_comparison): Check for
8099 Objective-C++ as language in deciding COND_EXPR transformation.
8101 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8104 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8105 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8106 * config/sh/lib1funcs.h (SL, SL1): Define.
8107 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8108 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8109 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8110 (OBJS_Os_4_200): New variable.
8111 ($(T)libgcc-Os-4-200.a): Use it.
8112 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8113 when dividing 1 and/or by 0.
8115 2006-06-13 Roger Sayle <roger@eyesopen.com>
8117 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8118 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8119 * configure: Regenerate.
8121 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8123 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8124 for real instruction.
8126 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8129 * haifa-sched.c (check_cfg): Handle special case.
8131 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8134 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8135 Add debug_info parameter. Chain the vars to the BLOCK instead
8136 of the BIND_EXPR if debug info are requested for them.
8137 (pop_gimplify_context): Adjust for above change.
8138 (gimple_add_tmp_var): Likewise.
8139 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8141 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8142 (convert_local_reference): Likewise.
8143 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8144 (finalize_nesting_tree_1): Request that debug info be emitted
8145 for debug_var_chain.
8147 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8149 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8150 for PR target/27863.
8152 2006-06-13 Richard Guenther <rguenther@suse.de>
8155 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8157 2006-06-13 Richard Guenther <rguenther@suse.de>
8159 PR tree-optimization/27830
8160 * tree-inline.c (copy_body_r): For copying the operand
8161 of an ADDR_EXPR make sure to fold &* afterwards.
8163 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8165 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8166 lvalues in the fb_none case with side-effects.
8168 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8170 * tree-flow.h: Remove the prototype for
8171 compute_phi_arg_on_exit.
8172 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8173 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8176 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8178 * builtins.c (expand_builtin_return_addr): Only use
8179 frame_pointer_rtx when count == 0 and we are expanding
8180 __builtin_return_address.
8182 2006-06-12 Fred Fish <fnf@specifix.com>
8184 * config/mips/mips.c (mips_file_start): Create special section
8185 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8187 2006-06-11 Eric Christopher <echristo@apple.com>
8190 * stor-layout.c (place_field): Remove check for
8191 remaining_in_alignment when aligning at the end of a run.
8193 2006-06-11 Eric Christopher <echristo@apple.com>
8196 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8199 2006-06-11 Roger Sayle <roger@eyesopen.com>
8202 Revert incorrect fix for PR target/27158
8203 2006-05-08 Roger Sayle <roger@eyesopen.com>
8204 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8205 of a reg_equiv_constant if the result is a legitimate constant.
8207 2006-06-11 Roger Sayle <roger@eyesopen.com>
8210 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8211 extract a CONST_VECTOR element and interpret it as an integer.
8212 (vspltis_constant): Use const_vector_elt_as_int instead of the
8213 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8214 * config/rs6000/predicates.md (easy_vector_const): Consider
8215 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8217 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8220 * stor-layout.c (update_alignment_for_field): Don't add extra
8221 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8224 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8226 * config/mips/t-rtems: Add EL/EB multilib variants.
8228 2006-06-09 Mike Stump <mrs@apple.com>
8230 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8232 2006-06-09 David Daney <ddaney@avtrex.com>
8234 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8236 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8238 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8240 2006-06-09 Richard Guenther <rguenther@suse.de>
8242 PR tree-optimization/26998
8243 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8244 of signed types, only TYPE_MIN_VALUE is special, but for both,
8245 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8246 in this case, as is -fwrapv.
8248 2006-06-08 Mike Stump <mrs@apple.com>
8251 * config/darwin.c (darwin_asm_output_anchor): Disable
8252 -fsection-anchors on darwin for now.
8253 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8254 * rs6000/rs6000.c (optimization_options): Likewise.
8256 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8259 * config/i386/i386.c (classify_argument): Skip fields with invalid
8262 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8264 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8265 (cse_insn): Likewise for the stack_pointer_rtx.
8267 2006-06-08 Roger Sayle <roger@eyesopen.com>
8269 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8270 conditions from floating point comparisons.
8272 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8275 * expmed.c (struct alg_hash_entry): Fix type of field T
8276 to match synth_mult argument.
8277 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8279 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8282 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8285 2006-06-08 Richard Guenther <rguenther@suse.de>
8288 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8289 only, if overflow is defined and not trapping.
8290 (negate_expr): Likewise.
8292 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8294 PR tree-optimization/27872
8295 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8296 flag on the new exit edge of the unrolled loop.
8298 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8300 PR rtl-optimization/26449
8301 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8303 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8306 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8307 referenced_variables with matching DECL_UID's.
8308 (find_referenced_vars): Make sure duplicate list is empty to start.
8309 (referenced_var_p): Remove.
8310 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8311 Check if var is in the list, and add if needed. Update the duplicate
8312 list if a different var is in the list with the same DECL_UID.
8313 (add_referenced_var): Call routine to check and insert.
8314 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8315 * tree-flow.h (referenced_vars_dup_list): External declaration.
8317 2006-06-07 Fred Fish <fnf@specifix.com>
8319 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8322 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8325 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8326 the imaginary and real parts of a clobbered register.
8327 Emit insn to set the imaginary part.
8329 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8331 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8332 in lieu of unwind-dw2-fde.c.
8334 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8336 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8338 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8341 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8342 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8343 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8344 V4SImode temporaries and operations instead.
8346 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8348 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8351 2006-06-06 Mike Stump <mrs@apple.com>
8353 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8354 installing during build.
8356 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8358 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8360 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8361 * config/ia64/ia64.c (params.h): New header.
8362 (ia64_optimization_options): New function to adjust parameters.
8363 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8364 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8365 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8367 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8369 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8371 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8374 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8376 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8377 Victor Kaplansky <victork@il.ibm.com>
8379 PR tree-optimization/26360
8380 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8383 2006-06-04 Roger Sayle <roger@eyesopen.com>
8384 Andrew Pinski <pinskia@physics.uc.edu>
8387 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8388 for LABEL_DECL before calling DECL_WEAK.
8391 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8392 LABEL_DECL and PARM_DECL.
8394 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8398 * c-decl.c (grokdeclarator): Disallow variably modified types at
8399 file scope. Avoid marking shared array type of constant size as
8402 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8405 * c-common.c (fold_offsetof_1): Handle static members.
8407 2006-06-04 Eric Christopher <echristo@apple.com>
8409 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8410 (debug_rli): Output value for remaining_in_alignment.
8411 (update_alignment_for_field): Unconditionalize
8412 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8413 extra alignment code.
8414 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8415 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8416 * tree.h (record_layout_info_s): Remove prev_packed.
8417 * doc/extend.texi (ms_struct): Add documentation of format.
8419 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8421 * tree.h: Declare folding_initializer.
8422 * builtins.c (fold_builtin_constant_p): Give definite answer
8423 if folding inside an initializer.
8424 * fold-const.c: Define folding_initializer.
8425 (START_FOLD_INIT): Save and then set folding_initializer.
8426 (END_FOLD_INIT): Restore folding_initializer.
8428 2006-06-04 Richard Guenther <rguenther@suse.de>
8430 PR tree-optimization/27039
8431 * fold-const.c (fold_comparison): Handle pointer comparison
8432 again for all comparison codes. Compare offsets in signed
8434 (fold_binary): Move code from here.
8436 2006-06-03 Roger Sayle <roger@eyesopen.com>
8439 * config/i386/i386.c (construct_container): Split static issued_error
8440 flag into issued_sse_arg_error, issued_sse_ret_error and
8441 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8442 requires the use of x87 registers and the user explicitly
8443 specified the -mno-80387 command line option.
8445 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8447 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8448 HAVE_DECL_SIGALTSTACK.
8450 (segv_handler): Use MC_FLD.
8451 * configure.ac: Check for a sigaltstack declaration.
8452 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8453 * configure: Regenerate.
8454 * config.in: Regenerate.
8456 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8459 * Makefile.in (stmp-fixinc): Fix typo.
8461 2006-06-02 Roger Sayle <roger@eyesopen.com>
8463 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8464 are type correct. Clean-up.
8465 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8466 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8468 2006-06-01 DJ Delorie <dj@redhat.com>
8470 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8471 shift, as we've disabled the "switch" insn that needs it.
8473 2006-06-01 Per Bothner <bothner@bothner.com>
8475 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8476 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8477 * c-ppoutput.c (cb_define): Don't increment line 0.
8479 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8481 * doc/invoke.texi: Add cpu_type power6.
8482 * config.gcc: Add cpu_type power6.
8483 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8484 to power5+ with Altivec.
8485 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8486 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8488 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8490 * config/avr/avr.h (SET_ASM_OP): Define.
8492 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8494 * config/bfin/bfin.c: Fix comment typos.
8496 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8499 * doc/install.texi: Document --enable-bootstrap and
8500 --disable-bootstrap.
8502 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8504 * doc/install.texi: Document that InfoZIP can replace jar.
8506 2006-05-31 Roger Sayle <roger@eyesopen.com>
8508 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8509 isn't available, directly generate the simpler x87 patterns without
8510 the (use (const_int 0)).
8511 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8512 implementation isn't available.
8513 (*negdf2_1): Likewise.
8514 (*negxf2_1): XF mode negation is always done using the x87.
8515 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8517 2006-05-31 Roger Sayle <roger@eyesopen.com>
8519 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8520 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8522 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8524 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8526 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8527 * config/bfin/bfin.c (basic-block.h): Include.
8528 (struct machine_function): New.
8529 (bfin_init_machine_status): New.
8530 (override_options): Initialize init_machine_status.
8531 (bfin_hardware_loop): New.
8532 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8533 (DEF_VEC_P (loop_info)): New.
8534 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8535 (struct loop_info): New.
8536 (loop_info): New typedef.
8537 (struct loop_work): New.
8538 (loop_work): New typedef.
8539 (DEF_VEC_O (loop_work)): New.
8540 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8541 (bfin_dump_loops): New.
8542 (bfin_bb_in_loop): New.
8543 (bfin_scan_loop): New.
8544 (bfin_optimize_loop): New.
8545 (bfin_reorg_loops): New.
8546 (bfin_reorg): Use bfin_reorg_loops.
8547 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8549 (I_REGNO_P): Simplify.
8550 (DP_REGNO_P, DPREG_P): New macros.
8551 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8552 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8553 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8554 Add LT_REGS, LC_REGS, LB_REGS.
8555 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8557 (REGNO_REG_CLASS): Deal with loop registers.
8558 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8560 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8561 New constants for loop registers.
8562 (UNSPEC_LSETUP_END): New.
8563 (seq_insns): New define_attr. Set it for appropriate insns.
8564 (movsi_insn): Add alternatives for move from/to
8565 loop count registers.
8566 (doloop_end): New define_expand.
8567 (loop_end): New define_insn.
8568 (define_split for bad doloop_end): New.
8569 (lsetup_with_autoinit): New define_insn.
8570 (lsetup_without_autoinit): New define_insn.
8571 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8572 * config/bfin/predicates.md (lc_register_operand): New.
8573 (lt_register_operand): New.
8574 (lb_register_operand): New.
8575 (nondp_register_operand): New.
8576 (nondp_reg_or_memory_operand): New.
8577 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8579 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8581 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8582 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8584 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8586 * Makefile.in (CATALOGS): Add po/ prefix.
8587 * configure: Regenerated.
8589 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8592 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8593 a shift operand before calling shift_op. Avoid redundant call of
8596 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8597 DJ Delorie <dj@redhat.com>
8599 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8600 we're inserting is a singlt-bit constant.
8602 2006-05-30 Roger Sayle <roger@eyesopen.com>
8604 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8605 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8607 2006-05-30 Roger Sayle <roger@eyesopen.com>
8609 PR tree-optimization/23452
8610 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8611 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8612 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8613 complex values and with -ffast-math for FP complex values.
8615 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8617 * c-common.h: Remove the prototype for yyparse.
8618 * rtl.h: Remove the prototype for init_loop.
8620 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8622 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8625 2006-05-30 Roger Sayle <roger@eyesopen.com>
8627 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8629 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8630 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8632 2006-05-30 Dirk Mueller <dmueller@suse.de>
8635 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8636 for CONSTANT_CLASS_P expresisons.
8638 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8641 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8643 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8645 PR tree-optimization/27779
8646 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8647 initial_condition instead of CHREC_LEFT.
8649 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8651 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8652 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8653 Make prototypes ISO C90.
8655 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8656 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8658 * see.c (see_analyze_one_def): Correct check.
8659 (see_get_extension_data): Check if extension is parallel.
8660 (see_get_extension_reg): Likewise.
8662 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8665 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8666 into register for (code == GTU).
8668 2006-05-29 Roger Sayle <roger@eyesopen.com>
8670 PR tree-optimization/24964
8671 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8672 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8673 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8674 abs(x)*abs(x) as x*x for scalar floating point modes.
8676 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8679 * lambda-code.c (perfect_nestify): Don't copy statements
8680 in the inner loop: move them to the inner loop header.
8682 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8685 * c-tree.texi: Document OpenMP directives and clauses.
8687 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8689 * varasm.c (globalize_decl): Fix indentation.
8691 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8694 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8695 pass_fre, pass_store_ccp, pass_copy_prop,
8696 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8697 pass_return_slot, pass_object_size, pass_lim,
8698 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8699 pass_loop_prefetch and pass_stdarg.
8701 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8703 * config/bfin/bfin.opt (mfdpic): New option.
8704 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8705 (EXTRA_MULTILIB_PARTS): Likewise.
8706 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8707 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8709 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8710 (CRT_CALL_STATIC_FUNCTION): New.
8711 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8713 (CRT_CALL_STATIC_FUNCTION): New.
8714 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8716 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8717 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8718 (initialize_trampoline): Changed to handle FD-PIC code generation.
8719 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8720 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8721 (override_options): Disallow -mid-shared-library -mfdpic combination.
8722 Can't do unaligned ops if FD-PIC.
8723 Turn off flag_pic if trying to generate non-id-shared-library
8724 non-fdpic code, since it's not supported.
8725 (bfin_assemble_integer): New function.
8726 (TARGET_ASM_INTEGER): Define.
8727 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8729 * config/bfin/crtn.s: Restore them.
8730 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8732 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8733 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8734 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8735 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8736 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8738 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8739 FDPIC_REGS and FDPIC_FPTR_REGS.
8740 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8741 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8742 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8743 (load_funcdescsi): New pattern.
8744 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8745 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8746 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8748 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8750 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8753 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8755 * tree-flow.h: Remove the prototype for add_type_alias.
8756 * tree-ssa-alias.c (add_type_alias): Remove.
8758 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8760 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8761 config/fr30/fr30.md, config/i386/i386-interix.h,
8762 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8763 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8764 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8765 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8766 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8767 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8768 Follow spelling conventions.
8769 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8770 Follow spelling conventions.
8772 2006-05-27 Richard Guenther <rguenther@suse.de>
8775 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8776 to produce a constant of value 1 of generic type.
8778 2006-05-27 Dirk Mueller <dmueller@suse.de>
8780 * cgraphunit.c (decide_is_function_needed): Fix wrong
8783 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8785 PR rtl-optimization/27661
8786 * reload.c (find_reloads): When reloading a VOIDmode constant
8787 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8788 use Pmode as mode of the reload register.
8790 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8792 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8793 is enabled at -O and above.
8795 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8798 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8801 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8804 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8805 for anonymous variables explicitly declared by front ends.
8807 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8809 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8810 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8811 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8812 ref-all pointers, run a finalization pass for them.
8813 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8814 (finalize_ref_all_pointers): New function.
8815 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8816 regular pointer type to a ref-all pointer type.
8817 (get_tmt_for): Return the special memory tag for ref-all pointers.
8819 2006-05-25 Richard Guenther <rguenther@suse.de>
8822 * fold-const.c (fold_binary): Do not look at the stripped
8823 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8825 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8827 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8828 for LT and GT if the computed range is effectively empty.
8830 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8833 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8834 mips_quad_format formats instead of ieee_single_format,
8835 ieee_double_format and ieee_quad_format formats, respectively.
8837 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8839 PR tree-optimization/27639
8840 PR tree-optimization/26719
8841 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8842 call to scev_probably_wraps_p.
8843 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8844 used_in_pointer_arithmetic_p, convert_step): Removed.
8845 (nowrap_type_p): New function.
8846 (scev_probably_wraps_p): Rewritten.
8847 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8848 chrec_convert if chrec_convert_aggressive might have been used.
8849 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8850 scev_direction): New functions.
8851 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8852 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8853 instead of convert_step.
8854 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8855 (convert_step): Declaration removed.
8856 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8858 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8860 * df-core.c: Added to header comments.
8861 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8862 df_ur_bb_info, df_urec_bb_info): Added comments.
8863 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8864 urec, ri problems): Fixed header comments.
8865 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8866 code from df_rd_transfer_function.
8868 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8870 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8871 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8872 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8874 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8876 * expr.c (undefined_operand_subword_p): New.
8877 (emit_move_multi_word): Do not generate move from undefined bits
8878 of a paradoxical subreg.
8880 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8882 PR rtl-optimization/27736
8883 * combine.c (replaced_rhs_value): New variable.
8884 (combine_instructions): Set it.
8885 (distribute_notes): When distributing a note in replaced_rhs_insn,
8886 check whether the value was used in replaced_rhs_value.
8888 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8891 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8892 add_referenced_var instead of add_referenced_tmp_var.
8893 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8894 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8896 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8897 tree_optimize_tail_calls_1): Use add_referenced_var.
8898 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8899 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8900 Use add_referenced_var.
8901 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8902 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8903 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8904 Use add_referenced_var.
8905 * tree-dfa.c (struct walk_state): Remove.
8906 (find_referenced_vars): Remove walk state and vars_found hash table.
8907 (make_rename_temp): Use add_referenced_var.
8908 (find_vars_r): Pass less parameters to add_referenced_var.
8909 (referenced_var_p): New. Is var in referenced_var hash table.
8910 (referenced_var_insert): Assert var isn't already in hash table.
8911 (add_referenced_var): Don't need walk_state parameter. Add var if it
8912 isn't already in the hash table.
8913 (add_referenced_tmp_var): Remove.
8914 (find_new_referenced_vars_1): Use add_referenced_var.
8915 * tree-ssa-pre.c (create_expression_by_pieces,
8916 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8917 Use add_referenced_var.
8918 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8919 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8920 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8922 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8923 vect_create_data_ref_ptr, vect_create_destination_var,
8924 vect_init_vector, vect_build_loop_niters,
8925 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8926 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8927 Use add_referenced_var.
8928 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8929 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8930 (add_referenced_var): Add prototype.
8931 * tree-ssa-structalias.c (get_constraint_for,
8932 intra_create_variable_infos): Use add_referenced_var.
8934 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8936 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8937 big-endian paradoxical subregs.
8938 * var-tracking.c (struct micro_operation_def): Document that,
8939 for modify micro operations, insn is the subsequent instruction.
8940 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8941 (var_reg_set, var_mem_set): ... new functions.
8942 (add_stores): Record subsequent insn.
8943 (compute_bb_dataflow): Use new functions for MO_USE.
8944 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8945 notes after the insn, and modify notes before the insn known
8946 to be the subsequent one.
8947 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8949 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8952 * config/i386/i386.c (ix86_expand_builtin): Use
8953 gen_sse3_monitor64 for TARGET_64BIT.
8955 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8957 PR rtl-optimization/26375
8958 PR rtl-optimization/26855
8959 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8961 (df_ru_bb_local_compute): Reversed statements and removed bogus
8962 comment explaining why they should be in wrong order.
8963 (df_ru_dump, df_rd_dump): Enhanced debug info.
8964 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8966 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8967 reaching uses and fixed space problem.
8969 2006-05-23 Jan Hubicka <jh@suse.cz>
8971 * cgraphunit.c (decide_is_function_needed): Also nested functions
8972 and functions declared inline can be optimized out at -O0.
8974 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8976 * doc/install.texi (Configuration): Remove reference to CrossGCC
8980 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8983 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8984 ix86_compare_emitted is non-NULL.
8986 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8989 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8992 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8994 PR rtl-optimization/25514
8995 * combine.c (replaced_rhs_insn): New variable.
8996 (combine_instructions): Set replaced_rhs_insn when trying to replace
8997 a SET_SRC with a REG_EQUAL note.
8998 (distribute_notes): Use replaced_rhs_insn when determining the live
8999 range of a REG_DEAD register.
9001 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9002 Anatoly Sokolov <aesok@post.ru>
9004 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9005 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9006 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9007 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9008 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9009 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9010 at90usb647, at90usb1286 and at90usb1287 devices.
9011 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9012 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9014 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9016 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9018 2006-05-22 Richard Guenther <rguenther@suse.de>
9021 2006-01-31 Richard Guenther <rguenther@suse.de>
9022 Paolo Bonzini <bonzini@gnu.org>
9024 * doc/install.texi (--disable-libgcc-math): Document.
9026 2006-05-22 Richard Guenther <rguenther@suse.de>
9029 2006-01-31 Richard Guenther <rguenther@suse.de>
9031 * doc/invoke.texi (-msselibm): Document.
9032 * target.h (expand_library_builtin): New target hook.
9033 * builtins.c (expand_builtin): Use expand_library_builtin.
9034 (default_expand_library_builtin): New function.
9035 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9036 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9037 (link_gcc_math_spec): Declare.
9038 (static_specs): Add link_gcc_math_spec.
9039 * expr.h (default_expand_library_builtin): Declare.
9040 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9041 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9042 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9043 * config/i386/i386.opt (msselibm): New target option.
9044 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9045 (ix86_init_sse_abi_builtins): New function.
9046 (ix86_expand_library_builtin): Likewise.
9047 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9048 (override_options): Handle error conditions wrt -msselibm.
9049 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9050 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9051 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9054 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9057 * c-common.c (self_promoting_args_p): Skip erroneous args.
9060 * c-decl.c (finish_struct): Skip erroneous fields.
9062 2006-05-22 Nick Clifton <nickc@redhat.com>
9064 * config/cris/cris.opt (march): Remove VarExists attribute.
9065 (max-stackframe=): Likewise.
9067 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9069 * doc/rtl.texi: Fix a typo.
9070 * see.c: Fix comment typos.
9072 * tree-ssa-structalias.h (alias_info): Remove num_references.
9074 2006-05-21 Mike Stump <mrs@apple.com>
9076 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9078 (darwin_pragma_options): Use BAD instead.
9079 (darwin_pragma_unused): Likewise.
9080 (darwin_pragma_ms_struct): Likewise.
9082 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9084 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9086 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9088 PR rtl-optimization/27671
9089 * simplify-rtx.c (simplify_relational_operation_1): Fix
9090 simplifications of (eq/ne (xor x y) y) and
9091 (eq/ne (xor x y) x).
9093 PR tree-optimization/26622.
9094 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9097 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9099 * tree-cfg.c: Prune whitespace.
9100 (debug_tree_cfg): Point to correct header containing the
9103 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9106 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9108 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9111 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9112 or sorry count is non zero.
9114 2006-05-20 Andreas Schwab <schwab@suse.de>
9116 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9118 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9119 Kenneth Zadeck <zadeck@naturalbridge.com>
9121 PR rtl-optimization/26855
9123 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9125 (df_scan_alloc): Added code to properly handle multiword hard
9126 registers and add all_blocks parameter.
9127 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9128 code to properly handle multiword hard registers.
9129 (df_rescan_blocks): Added code to remove deleted blocks from
9131 (df_ref_create_structure, df_ref_record): Added code to properly
9133 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9134 and set DF_REF_PARTIAL.
9135 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9136 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9137 (df_scan_add_problem): Added flags parameter.
9138 (df_ref_create_structure): Changed switching structure.
9139 (df_bb_refs_record): Fixed case where duplicate artificial refs
9140 were created. Changed location of flags.
9141 (df_record_entry_block_defs): Added code to make stack pointer
9142 live in entry block. Refined cases where frame pointer is needed.
9143 Changed location of flags.
9144 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9145 (df_set_state): Removed function.
9146 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9147 df_insn_create_insn_record, df_insn_refs_delete,
9148 df_ref_create_structure): Formatting changes.
9149 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9150 df_delete_basic_block): New function.
9151 (df_init): Changed location of flags.
9152 (df_add_problem): Added flags parameter and the way flags are
9154 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9155 debug_df_chain): Improved debugging output.
9156 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9157 (df_refs_chain_dump): Removed df parameter.
9158 (df_iterative_dataflow): Added consistency check.
9159 (df_prune_to_subcfg): Made public.
9160 (df_analyze_problem): Added blocks_to_init parameter and made
9162 (df_ref_record, df_bb_refs_record, df_mark_reg,
9163 df_record_exit_block_uses): Whitespace changes.
9164 (df_dump): Whitespace changes.
9165 * df.h: Some reordering to remove forward references.
9166 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9167 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9168 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9169 (dataflow.flags): New field.
9170 (df.flag): Deleted field.
9171 (df_alloc_function): Added additional bitmap parameter.
9172 (df_dependent_problem_function): New type.
9173 (df_problem.changeable_flags): New field.
9174 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9175 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9176 (df_mw_hardreg): New struct.
9177 (DF_INSN_UID_MWS): New macro.
9178 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9180 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9181 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9182 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9183 (df_set_state): Removed function.
9184 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9185 * df-problems.c (df_chain_dump): Removed df parameter.
9186 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9187 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9189 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9190 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9191 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9192 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9193 DF_REF_MUST_CLOBBER cases.
9194 (df_ru_bb_local_compute_process_def,
9195 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9196 df_lr_bb_local_compute, df_ur_bb_local_compute,
9197 df_chain_create_bb): Made subreg aware.
9198 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9199 df_lr_bb_local_compute, df_lr_bb_local_compute,
9200 df_chain_create_bb): Cleanup to use proper macros.
9201 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9202 code to fixup bitvectors.
9203 (df_ri_alloc): Cleared lifetime.
9204 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9205 df_create_unused_note): New function.
9206 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9207 REG_DEAD and REG_UNUSED notes as well as register information.
9208 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9209 df_chains_dump): Fixed crash if problem was never run.
9210 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9211 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9212 df_ri_add_problem): Processes flags in uniform manner.
9213 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9214 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9215 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9216 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9217 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9218 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9219 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9220 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9221 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9222 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9223 * see.c (see_initialize_data): Ditto.
9224 * final.c (rest_of_clean_state) Added regstack_completed.
9225 * rtl.h (regstack_completed): Ditto.
9226 * reg-stack.c (regstack_completed): Ditto.
9228 2006-05-19 Mike Stump <mrs@apple.com>
9230 * c-tree.h (default_conversion): Remove.
9231 * c-common.h (default_conversion): Add.
9233 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9235 * tree-vrp.c (valid_value_p): New function.
9236 (adjust_range_with_scev): Fail if the value of bound is not
9239 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9241 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9242 (mips_fallback_frame_state): Use syscall numbers to determine
9243 the appropriate li instruction for the current ABI. Only use
9244 __NR_sigreturn for o32.
9246 2006-05-19 Nicolas Setton <setton@adacore.com>
9248 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9249 * langhooks.c (lhd_dwarf_name): New function.
9250 * langhooks-def.h (lhd_dwarf_name): Declare.
9251 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9252 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9254 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9256 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9258 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9259 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9260 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9261 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9262 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9263 determine the size of Wtype, etc.
9264 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9265 (swfloatfuncs): New variable.
9266 (dwfloatfuncs): Likewise.
9267 (lib2funcs): Remove floating-point conversion functions from
9268 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9269 the set of conversion routines needed. Allow entries to specify
9270 an object name, filename and word size. Update users accordingly.
9271 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9272 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9276 2006-02-08 Roger Sayle <roger@eyesopen.com>
9279 * config/fixtfdi.c: New libgcc source file.
9280 * config/fixunstfdi.c: New source file.
9281 * config/floatditf.c: New source file.
9282 * config/floatunditf.c: New souce file.
9283 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9284 files above instead of config/mips/_tilib.c.
9285 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9287 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9289 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9290 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9292 2006-05-18 Mike Stump <mrs@apple.com>
9294 Fix up vla, vm and [*] sematics.
9300 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9301 (c_vla_unspec_p): Add.
9302 (c_vla_type_p): Add.
9303 * c-decl.c (struct c_scope): Add had_vla_unspec.
9304 (build_array_declarator): Add support for [*].
9305 (grokdeclarator): Likewise.
9306 (grokparms): Likewise.
9307 (get_parm_info): Likewise.
9308 * c-objc-common.c (c_vla_unspec_p): Likewise.
9309 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9310 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9311 typeof when argument is a variably modified type not inside sizeof or alignof.
9312 (c_parser_direct_declarator_inner): Propagate errors.
9313 (c_parser_sizeof_expression): Add support for [*].
9314 (c_parser_parms_declarator): Initialize had_vla_unspec.
9315 (c_parser_parms_list_declarator): Likewise.
9316 * c-typeck.c (c_vla_type_p): Add.
9317 (composite_type): Add support for vla compositing.
9318 (comptypes_internal): Add support for vla compatibility.
9319 (c_expr_sizeof_expr): Evaluate vla arguments.
9320 * tree.c (variably_modified_type_p): Update comment for [*].
9322 2006-05-18 Michael Matz <matz@suse.de>
9325 * config.host: Make assignments to host_xmake_file cumulative.
9326 * config.host (*-darwin*): Test $host, not $target.
9328 2006-05-12 Stuart Hastings <stuart@apple.com>
9330 * config/i386/i386.opt (-mstackrealign): New flag.
9331 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9332 (ix86_handle_cconv_attribute): Emit error when
9333 force_align_arg_pointer attribute collides with too many regparms.
9334 (ix86_function_regparm): Limit regparms when used with
9335 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9336 Support stack-realigning prologue in non-main functions. Emit
9337 warning for nested functions under -mstackrealign, emit error for
9338 nested functions with force_align_arg_pointer attribute.
9339 * doc/extend.texi (force_align_arg_pointer): Document it.
9340 * doc/invoke.texi (-mstackrealign): Document it.
9342 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9344 PR rtl-optimization/27477
9345 * combine.c (try_combine): Don't split a parallel consisting
9346 of two sets into two individual sets if both sets reference
9349 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9351 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9352 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9354 * doc/options.texi (VarExists): Updated.
9356 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9358 * unwind-dw2.c: Add declarations for uw_update_context and
9360 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9361 detected, advance frame state and context once to skip over stub.
9363 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9367 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9368 Call rewrite_into_loop_closed_ssa only when something changed.
9369 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9370 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9371 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9372 Test for perfect_nest_p here. Fix formating.
9373 (replace_uses_equiv_to_x_with_y): Fix formating.
9374 (stmt_uses_op): Removed.
9375 (can_convert_to_perfect_nest): Removed loopivs parameter.
9376 Complete the test by checking the scalar dependences.
9377 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9380 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9383 From Dan Kegel <dank@kegel.com>:
9384 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9386 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9388 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9389 if the element type is variably modified without recursing.
9391 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9394 * tree-loop-linear.c (try_interchange_loops): Test for
9395 no data dependences.
9397 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9399 PR tree-optimization/27548
9400 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9401 range of ssa names that appear on abnormal edges.
9402 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9403 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9405 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9408 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9410 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9413 * tree.h (OMP_PARALLEL_COMBINED): Define.
9414 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9415 (new_omp_context): Add is_combined_parallel argument.
9416 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9417 new_omp_context caller.
9418 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9419 Adjust gimplify_scan_omp_clauses callers.
9420 (omp_is_private): Issue errors if iteration variable is firstprivate
9421 or reduction in the current context.
9422 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9423 on combined parallel workshare constructs.
9425 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9427 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9428 (gcc-options.o): New rule.
9430 * optc-gen.awk: Protect variables for gcc-options.o with
9431 #ifdef GCC_DRIVER/#endif.
9433 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9435 Fix PR tree-optimization/27373
9436 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9437 (forward_propagate_addr_expr): Update call.
9439 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9441 * doc/options.texi: Move the Negative option.
9443 2006-05-16 Richard Guenther <rguenther@suse.de>
9445 PR tree-optimization/22303
9446 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9448 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9449 ccp_fold did not simplify the statement.
9451 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9454 * Makefile.in (GCC_OBJS): New.
9455 (OBJS-common): Add opts-common.o.
9456 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9457 (cpp$(exeext)): Likewise.
9458 (gcc.o): Also depend on opts.h.
9459 (opts-common.o): New.
9461 * common.opt (gcoff): Add Negative(gdwarf-2).
9462 (gdwarf-2): Add Negative(gstabs).
9463 (gstabs): Add Negative(gstabs+).
9464 (gstabs+): Add Negative(gvms).
9465 (gvms): Add Negative(gxcoff).
9466 (gxcoff): Add Negative(gxcoff+).
9467 (gxcoff+): Add Negative(gcoff).
9468 * config/i386/i386.opt (m32): Add Negative(m64).
9469 (m64): Add Negative(m32).
9471 * doc/options.texi: Document the Negative option.
9473 * gcc.c: Include "opts.h".
9474 (main): Call prune_options after expandargv.
9476 * optc-gen.awk: Generate common declarations for all flag
9477 variables in options.c. Output the neg_index field.
9479 * opts.c (find_opt): Moved to ...
9480 * opts-common.c: Here. New file.
9482 * opts.h (cl_option): Add a neg_index field.
9484 (prune_options): Likewise.
9486 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9489 * omp-low.c (expand_omp_parallel): Don't assert
9490 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9491 instead search for it.
9494 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9497 2006-05-16 Andreas Schwab <schwab@suse.de>
9499 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9502 2006-05-15 Roger Sayle <roger@eyesopen.com>
9505 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9506 integer constants other than zero are only legitimate on TARGET_64BIT.
9507 <CONST_VECTOR> Only zero vectors are legitimate.
9508 (ix86_cannot_force_const_mem): Integral and vector constants can
9509 always be put in the constant pool.
9511 2006-05-16 DJ Delorie <dj@redhat.com>
9513 * crtstuff.c (__dso_handle): Set section from
9514 TARGET_LBIGCC_SDATA_SECTION if defined.
9515 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9516 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9518 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9521 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9524 2006-05-16 Ben Elliston <bje@au.ibm.com>
9526 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9528 2006-05-15 Per Bothner <per@bothner.com>
9530 * tree.c: (last_annotated_node): Use source_locus typedef.
9531 This permits bootstrapping with --enable-mapped-location.
9533 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9535 PR tree-optimization/26830
9536 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9537 (info_for_ssa_name, current_info_for_ssa_name_age,
9538 blocks_to_update): New variables.
9539 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9540 (clear_ssa_name_info, initialize_flags_in_bb,
9541 mark_block_for_update): New functions.
9542 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9543 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9544 prepare_def_site_for): Use mark_block_for_update.
9545 (mark_def_interesting): Assert that the processed block is marked in
9546 blocks_to_update. Do not take blocks argument.
9547 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9549 (rewrite_update_init_block, rewrite_update_stmt): Only process
9550 blocks with statements to rewrite.
9551 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9552 (update_ssa): Initialize and free blocks_to_update. Do not
9553 clear flags on statements. Do not use blocks bitmap.
9554 * tree.h (SSA_NAME_AUX): Removed.
9555 (struct tree_ssa_name): Removed aux field.
9556 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9558 2006-05-15 Richard Guenther <rguenther@suse.de>
9560 PR tree-optimization/27603
9561 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9562 Do computations in original type.
9564 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9566 * see.c: Code style changes such as redundant paranthesis,
9567 redundant intialization of local variables etc.
9568 (see_main): Declared now as static.
9569 * doc/invoke.texi: Update that -fsee is not enabled by
9572 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9574 * omp-low.c (check_omp_nesting_restrictions): New function.
9575 (scan_omp_1): Call it.
9578 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9579 construct, return *VAR.
9581 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9583 PR rtl-optimization/27406
9584 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9587 2006-05-14 Roger Sayle <roger@eyesopen.com>
9589 PR rtl-optimization/27538
9590 * combine.c (expand_compound_operation): Call gen_lowpart
9591 before calling simplify_shift_const.
9593 2006-05-14 Roger Sayle <roger@eyesopen.com>
9595 PR rtl-optimization/22563
9596 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9597 a fixed width bitfield, always force the intermediates into psuedos.
9599 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9602 * mkconfig.sh: Use operator = instead of == for test.
9604 2006-05-13 Nick Clifton <nickc@redhat.com>
9606 * dwarf2out.c (dbx_reg_number): Check return value from
9607 LEAF_REG_REMAP and only use it if it is valid.
9608 (multiple_reg_loc_descriptor): Likewise.
9610 2006-05-13 Richard Guenther <rguenther@suse.de>
9612 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9615 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9617 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9618 information attached to non-INSNs such as NOTEs.
9619 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9621 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9623 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9625 * config/s390/s390.md: Adjust comment describing On constraint.
9627 2006-05-11 Jan Hubicka <jh@suse.cz>
9629 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9630 to be output at -O0.
9632 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9635 * fold-const.c (size_binop): Move sanity check for arguments to
9636 the beginning of the function.
9639 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9642 2006-05-11 Richard Guenther <rguenther@suse.de>
9645 * fold-const.c (fold_unary): Handle intermediate conversion
9646 to a pointer type like intermediate conversion to an integer
9647 type in folding of (T1)(T2)var to var.
9648 Match the code to the comment in the final conversion for
9649 (T1)(T2)var to (T1)var regarding to type precision. Rather
9650 than disallow T1 being of pointer type, assert that both T1
9651 and var are of pointer type or not. Make sure not to fall
9652 over the frontends lazyness wrt array to pointer decay though.
9654 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9656 * arm.c (arm_struct_value_rtx): Delete.
9657 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9658 (arm_init_cumulative_args): Always initialize nregs to zero.
9660 2006-05-10 Richard Guenther <rguenther@suse.de>
9662 PR tree-optimization/27532
9663 * tree-object-size.c (plus_expr_object_size): Fix typo.
9665 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9668 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9669 ashrdi_const, ashrdi3): Use a scratch register.
9671 2006-05-10 Richard Guenther <rguenther@suse.de>
9673 PR tree-optimization/27302
9674 * fold-const.c (operand_equal_p): For two comparisons,
9675 try comparison of one comparison code swapped if that yields
9678 2006-05-10 Ben Elliston <bje@au.ibm.com>
9680 * tree-pretty-print.c (pretty_print_string): No need to handle
9681 '\0' as a special character.
9683 * tree.h: Include "hashtab.h".
9684 (iterative_hash_expr): Use hashval_t in its prototype.
9685 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9687 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9690 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9691 (hppa*64*-*-hpux11*): Ditto.
9692 (hppa[12]*-*-hpux11*): Ditto.
9694 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9697 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9699 2006-05-09 Michael Matz <matz@suse.de>
9701 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9702 host_extra_gcc_objs and host_xmake_file.
9703 (<*-*-linux*>): Don't overwrite host_xmake_file.
9704 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9705 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9706 (host_detect_local_cpu): Declare.
9707 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9708 * config/i386/i386.c (override_options): Handle -mtune=native
9710 * config/i386/x-i386: New file.
9711 * config/i386/driver-i386.c: New file.
9712 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9715 2006-05-09 Dirk Mueller <dmueller@suse.de>
9716 Richard Guenther <rguenther@suse.de>
9719 * fold-const.c (fold_read_from_constant_string): Relax check
9720 for matching types to matching modes.
9722 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9724 PR rtl-optimization/27335
9725 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9728 2006-05-08 Chao-ying Fu <fu@mips.com>
9729 Richard Sandiford <richard@codesourcery.com>
9731 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9732 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9733 * config/mips/mips.md (UNSPEC_SCC): New constant.
9734 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9735 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9736 (mips_emit_compare): Use it.
9737 (mips_expand_vcondv2sf): New function.
9739 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9741 Fix PR tree-optimization/27093
9742 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9743 renaming when they become not-used_alone.
9745 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9747 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9748 relocation and relocation stubs.
9750 2006-05-08 Eric Christopher <echristo@apple.com>
9752 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9755 2006-05-08 Jan Hubicka <jh@suse.cz>
9758 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9759 unused static functions are needed.
9761 2006-05-08 Roger Sayle <roger@eyesopen.com>
9764 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9765 of a reg_equiv_constant if the result is a legitimate constant.
9767 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9770 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9771 standard 80387 constants, raise the cost to prevent
9772 compress_float_constant() to generate load from memory.
9774 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9776 * config/arm/constraints.md (c): Fix a typo.
9778 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9781 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9784 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9786 (_mm_mwait): Likewise.
9788 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9790 (sse3_monitor): Make it 32bit only.
9791 (sse3_monitor64): New. 64bit monitor.
9793 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9796 * config/i386/i386.c (classify_argument): Skip fields with invalid
9799 2006-05-07 Richard Guenther <rguenther@suse.de>
9801 PR tree-optimization/27409
9802 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9803 Do not try to find zero-sized subvars.
9805 2006-05-07 Richard Guenther <rguenther@suse.de>
9807 PR tree-optimization/27136
9808 * tree-ssa-loop-niter.c (get_val_for): Correct function
9809 comment, assert requirements.
9810 (loop_niter_by_eval): Stop processing if the iterated
9811 value did not simplify.
9813 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9815 * opts.c (flag_see): remove its setting at -O3.
9817 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9819 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9820 * arm/constraints.md: New file.
9821 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9822 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9823 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9824 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9825 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9826 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9827 * arm.md: Include constraints.md.
9828 (thumb_movsi_insn): Use satisfies_constraint_J.
9829 (movhi, movqi): Use satisfies_constraint_I.
9831 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9833 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9834 for atmeg a645 device.
9836 2006-05-06 Richard Guenther <rguenther@suse.de>
9838 PR tree-optimization/27151
9839 * tree-vect-transform.c (vectorizable_condition): Punt on
9840 values that have a different type than the condition.
9842 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9845 * c-parser.c (c_parser_cast_expression): Only insert casts into
9846 hash table if pointer.
9847 * function.c (used_types_insert_helper): Rename from
9849 (used_types_insert): Call used_types_insert_helper.
9850 * function.h (used_types_insert): Accept only one argument.
9852 2006-05-05 David Edelsohn <edesohn@gnu.org>
9854 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9855 scratch with output modifier.
9857 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9860 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9861 with output modifier.
9863 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9866 * config/mips/mips.c (mips_symbolic_address_p): Return true
9867 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9868 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9870 2006-05-04 Richard Guenther <rguenther@suse.de>
9872 PR tree-optimization/14287
9873 PR tree-optimization/14844
9874 PR tree-optimization/19792
9875 PR tree-optimization/21608
9876 PR tree-optimization/27090
9877 * tree-ssa-pre.c (try_combine_conversion): New function.
9878 (compute_avail): After constructing the value-handle
9879 expression, use try_combine_conversion to combine NOP_EXPRs
9880 with previous value-handle expressions and use the result if it
9883 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9885 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9887 2006-05-04 Jan Hubicka <jh@suse.cz>
9890 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9892 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9894 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9895 that this only matches CONST_INTs. All users changed to VOIDmode
9898 * config/bfin/bfin.c: Include "optabs.h".
9899 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9901 (enum bfin_builtins): Add a number of fractional and vector builtins.
9902 (bfin_init_builtins): Likewise.
9903 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9904 (safe_vector_operand, bfin_expand_binop_builtin,
9905 bfin_expand_unop_builtin): New functions.
9906 (bfin_expand_builtin): Handle the new builtins.
9907 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9910 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9913 * Makefile.in (OBJS-common): Add see.o.
9914 (see.o): Add dependencies.
9915 * common.opt (fsee): New flag for the see optimization was added.
9916 * opts.c (flag_see): Initialized.
9917 * passes.c (init_optimization_passes, pass_see): New pass.
9918 * rtl.h (see_main): Declaration as extern.
9919 * timevar.def (TV_SEE): New.
9920 * tree-pass.h (pass_see): Declaration as extern.
9921 * invoke.texi (-fsee): Document.
9922 * recog.c (validate_simplify_insn): New function.
9923 * recog.h (validate_simplify_insn): Declaration as extern.
9924 * df-problems.c (df_chain_dump): Check for NULL.
9926 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9927 Daniel Berlin <dberlin@dberlin.org>
9929 * cfgrtl.c (insert_insn_bb_end_new): New function.
9930 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9932 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9934 * df.h (struct web_entry): Moved from web.c.
9935 (union_defs): Declaration as extern.
9936 (unionfind_root): Likewise.
9937 (unionfind_union): Likewise.
9938 * web.c (struct web_entry): Moved to df.h.
9939 (unionfind_root): Remove static declaration.
9940 (unionfind_union): Likewise.
9941 (union_defs): Likewise and generalize to use callback function.
9942 (web_main): Update arguments for union_defs function call.
9944 2006-05-04 Richard Guenther <rguenther@suse.de>
9946 PR tree-optimization/26447
9947 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9948 produce SSA_NAME copies before the store stmt to avoid
9949 breaking exception handling.
9951 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9954 * gimplify.c (omp_is_private): If var is shared in some outer context,
9955 return false instead of true. Stop searching on parallel context
9958 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9961 * coverage.c: Use get_gcov_unsigned_t() instead of
9962 unsigned_type_node all over.
9964 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9966 PR tree-optimization/27381
9967 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9968 maintain the same immediate_use links.
9969 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9970 node rather than segfaulting.
9972 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9975 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9976 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9977 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9979 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9981 Fix PR tree-optimization/26626
9982 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9984 * tree-ssa-operands.c (access_can_touch_variable): Allow
9985 typecasting through union pointers.
9987 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9990 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9991 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9992 to find if var will be a global variable even in the nested context.
9993 (omp_copy_decl): Only check for global variable at the end, it might
9994 be overridden in outer contexts.
9995 (scan_sharing_clauses): For global variables don't create a field.
9996 (lower_rec_input_clauses): Do nothing for global shared variables.
9997 Emit a barrier at the end of ILIST if there were any decls in both
9998 firstprivate and lastprivate clauses.
9999 (lower_send_clauses): Do nothing for global variables except for
10002 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10004 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10005 of the correct signedness is returned.
10007 2006-05-02 Jeff Law <law@redhat.com>
10009 PR tree-optimization/27364
10010 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10011 multiply expressions.
10013 2006-05-02 Tom Tromey <tromey@redhat.com>
10015 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10017 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10020 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10021 -mthumb -fPIC are used.
10023 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10024 Joshua Kinard <kumba@gentoo.org>
10027 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10028 with 64-bit pointers.
10030 2006-05-02 Paul Brook <paul@codesourcery.com>
10032 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10034 (create_fix_barrier): Check that a suitable barrier location is
10036 (arm_reorg): Include ftmp->address in allowable range of addresses.
10038 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10041 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10044 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10046 PR middle-end/27337
10047 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10048 around RESULT_DECL for result passed by reference.
10049 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10050 * omp-low.c (use_pointer_for_field): Don't look at
10051 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10052 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10053 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10054 time or var for passing by reference for
10055 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10056 TREE_ADDRESSABLE variables when passing by reference.
10058 * omp-low.c (dump_omp_region): Fix output formatting.
10060 PR middle-end/27328
10061 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10062 (expand_omp_parallel): Likewise.
10063 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10065 PR middle-end/27325
10066 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10067 on statement list containing also constructors and destructors.
10068 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10070 PR middle-end/27310
10071 * except.c (duplicate_eh_regions): Fix clearing of
10072 cfun->eh->region_array entries.
10074 2006-05-01 DJ Delorie <dj@redhat.com>
10076 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10078 (gcc_cv_objdump): Likewise.
10079 * configure: Regenerated.
10081 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10084 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10085 templates for case 3 and 4.
10087 2006-05-01 DJ Delorie <dj@redhat.com>
10089 * vec.c: Include bconfig.h when appropriate.
10090 * Makefile.in (build/vec.o): Adjust dependencies.
10091 * mkconfig.sh: Make sure config.h isn't used for build machine
10094 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10096 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10098 (mark_phi_for_rewrite): New function.
10099 (insert_phi_nodes_for, mark_use_interesting): Call
10100 mark_phi_for_rewrite.
10101 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10102 (update_ssa): Initialize and free phis_to_rewrite.
10104 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10106 PR rtl-optimization/27291
10107 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10108 folded to a constant.
10110 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10112 PR tree-optimization/27283
10113 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10114 not whole # of iteration descriptions.
10115 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10116 uses abnormal ssa name.
10117 (niter_for_single_dom_exit): Ditto.
10118 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10119 return just the number of iterations.
10121 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10123 PR tree-optimization/27144
10124 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10125 (record_estimate): Only record constant upper bound.
10126 (infer_loop_bounds_from_undefined): Call
10127 compute_estimated_nb_iterations just once.
10128 (proved_non_wrapping_p): Renamed to ...
10129 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10130 (convert_step_widening, scev_probably_wraps_p): Call
10131 n_of_executions_at_most instead of proved_non_wrapping_p.
10132 (substitute_in_loop_info): Do not replace values in bounds.
10133 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10136 2006-05-01 Richard Henderson <rth@redhat.com>
10139 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10140 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10143 2006-05-01 Roger Sayle <roger@eyesopen.com>
10145 * c-typeck.c (parser_build_binary_op): Don't call the function
10146 unsigned_conversion_warning to spot operand/result type overflow.
10147 (build_binary_op): Instead, call convert_and_check instead of
10148 convert to report the problem when the operands are promoted.
10149 * c-common.c (unsigned_conversion_warning): Make static.
10150 * c-common.h (unsigned_conversion_warning): Delete prototype.
10152 2006-05-01 Richard Guenther <rguenther@suse.de>
10154 PR tree-optimization/26726
10155 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10157 (find_interesting_uses_address): ... we work around here
10158 by folding INDIRECT_REFs in the substituted base.
10160 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10162 * omp-low.c (dump_omp_region): Add newlines.
10164 2006-04-30 Roger Sayle <roger@eyesopen.com>
10166 * common.opt (Woverflow): New command line option.
10167 * c-common.c (constant_expression_warning): Check warn_overflow.
10168 (overflow_waring): Pass OPT_Woverflow to warning.
10169 (unsigned_conversion_warning): Likewise.
10170 (convert_and_check): Likewise.
10171 * doc/invoke.texi: Document new command line option.
10173 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10175 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10176 TARGET_NO_FP_IN_TOC for section anchors.
10177 (optimization_options): Enable section anchors for all
10178 non-"Objective" languages.
10180 2006-04-28 Eric Christopher <echristo@apple.com>
10182 * config/darwin-c.c (darwin_ms_struct): Move this
10183 (darwin_set_default_type_attributes): and this...
10184 * config/darwin.c: ... here.
10185 * config/darwin.h (darwin_ms_struct): Declare.
10187 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10189 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10191 2006-04-28 Roger Sayle <roger@eyesopen.com>
10194 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10195 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10196 an unsigned HOST_WIDE_INT.
10197 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10199 (really_start_incremental_init): No need to call convert because
10200 bitsize_zero_node is already of type bitsizetype.
10201 (push_init_level): Extract the value of constructor_index as an
10202 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10203 (process_init_element): Likewise.
10205 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10207 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10208 value before passing to make_relative_prefix.
10210 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10212 PR middle-end/27260
10213 * builtins.c (expand_builtin_memset): Expand val in original mode.
10215 2006-04-27 Eric Christopher <echristo@apple.com>
10217 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10218 with #ifndef/#endif.
10219 * config/darwin-c.c (darwin_ms_struct): New.
10220 (darwin_pragma_ms_struct): Ditto.
10221 (darwin_set_default_type_attributes): Ditto.
10222 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10223 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10224 Register ms_struct pragma.
10225 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10226 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10227 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10228 darwin_set_default_type_attributes if TARGET_MACHO.
10230 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10232 PR tree-optimization/26854
10233 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10234 * doc/tree-ssa.texi: Update immuse iterator documentation.
10235 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10236 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10237 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10238 first_safe_imm_use, next_safe_imm_use): Remove.
10239 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10240 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10241 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10242 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10243 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10244 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10245 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10246 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10247 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10248 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10249 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10250 (perfect_nestify): Use new iterator.
10251 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10253 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10254 (next_imm_name): New field in struct immediate_use_iterator_d.
10255 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10256 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10257 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10258 * tree-cfg.c (replace_uses_by): Use new iterator.
10259 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10260 * tree-ssa-operands.c (correct_use_link): Remove.
10261 (finalize_ssa_use_ops): No longer call correct_use_link.
10263 2006-04-27 Stuart Hastings <stuart@apple.com>
10265 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10266 * config/t-darwin (crt3.o): Use it.
10267 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10268 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10269 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10270 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10271 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10274 2006-04-27 Roger Sayle <roger@eyesopen.com>
10276 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10277 size, force the intermediate into a new pseudo rather instead of
10278 performing both a bitwise AND and a bitwise IOR in memory.
10280 2006-04-27 Richard Guenther <rguenther@suse.de>
10282 PR rtl-optimization/26685
10283 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10284 this one "max-flow-memory-locations".
10286 2006-04-27 Richard Guenther <rguenther@suse.de>
10288 PR tree-optimization/25148
10289 * tree-vrp.c (compare_values): Remove code dealing with
10290 comparisons against type min/max value. Honour overflow
10291 and negative constants in code dealing with comparisons
10292 of plus and minus expressions.
10293 (value_inside_range): Use fold_binary with LE_EXPR and
10294 GE_EXPR rather than compare_values.
10296 2006-04-27 Dirk Mueller <dmueller@suse.de>
10298 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10301 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10303 * basic-block.h (safe_insert_insn_on_edge): Removed.
10304 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10306 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10307 Paolo Bonzini <bonzini@gnu.org>
10309 PR middle-end/27282
10310 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10311 (simplify_and_const_int): Same.
10313 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10315 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10317 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10320 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10321 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10322 cgraph_global_info_ready.
10324 PR middle-end/26913
10325 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10328 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10329 either decl or init is error_mark_node.
10331 PR middle-end/25989
10332 * tree-flow.h (struct omp_region): Add sched_kind.
10333 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10334 instead of extracting omp for data.
10335 (expand_omp_for): Save extracted sched_kind.
10337 2006-04-25 Roger Sayle <roger@eyesopen.com>
10339 * expmed.c (store_bit_field): Also check whether the bitsize is
10340 valid for the machine's "insv" instruction before moving the
10341 target into a pseudo for use with the insv.
10342 * config/i386/predicates.md (const8_operand): New predicate.
10343 * config/i386/i386.md (extv, extzv, insv): Use the new
10344 const8_operand predicate where appropriate.
10346 2006-04-25 DJ Delorie <dj@redhat.com>
10348 * doc/install.texi (Specific): Clarify that this is not a list of
10349 supported hosts or targets.
10351 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10353 PR rtl-optimization/26725
10354 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10355 block's BB_DIRTY flag.
10357 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10359 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10362 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10363 to print an integer.
10365 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10367 * varasm.c (align_variable): New function.
10368 (get_block_for_decl): Apply align_variable to DECL before
10369 calculating section information.
10370 (assemble_variable): Split out alignment computation.
10372 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10374 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10377 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10379 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10380 MODE_PARTIAL_INT mode.
10381 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10382 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10384 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10385 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10387 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10389 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10391 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10392 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10393 MACFLAG_IH): Likewise.
10394 (movstricthi_1): Renamed from "*movstricthi".
10395 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10396 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10397 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10398 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10399 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10400 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10401 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10402 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10403 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10404 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10405 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10406 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10407 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10408 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10409 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10411 * doc/rtl.texi (ss_ashift): Improve wording.
10413 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10415 * dwarf2out.c (verify_marks_clear): New.
10416 (prune_unused_types): Call verify_marks_clear initially, not
10419 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10421 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10422 * doc/rtl.texi: Document them.
10423 * simplify-rtx.c (simplify_unary_operation,
10424 simplify_binary_operation_1): Don't abort when we see them.
10426 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10429 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10430 * configure.ac: Completely disregard languages that are not
10432 * configure: Regenerated.
10434 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10435 Richard Guenther <rguenther@suse.de>
10437 PR tree-optimization/27236
10438 * tree-inline.c (copy_body_r): Make sure to copy
10439 TREE_THIS_VOLATILE flag.
10441 2006-04-24 Richard Guenther <rguenther@suse.de>
10443 PR middle-end/26869
10444 * tree-complex.c (update_parameter_components): Don't handle
10445 unused parameters which have no default def.
10447 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10448 Richard Guenther <rguenther@suse.de>
10450 PR tree-optimization/27218
10451 * tree-inline.c (expand_call_inline): Strip useless type
10452 conversions for the return slot address.
10454 2006-04-24 Richard Guenther <rguenther@suse.de>
10456 * cfgloop.h (struct loops): Remove unused field array. Reorder
10458 (LOOP_PREFETCH): Remove.
10460 2006-04-24 Richard Guenther <rguenther@suse.de>
10462 PR tree-optimization/22525
10463 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10464 variable, adjust types of generated expressions.
10466 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10468 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10469 (tree-vect-patterns.o): Likewise.
10470 (jump.o): Likewise.
10471 (cselib.o): Likewise.
10472 (loop-doloop.o): Likewise.
10473 (regclass.o): Likewise.
10474 (reload1.o): Likewise.
10475 (explow.o): Replace target.h with $(TARGET_H).
10476 (ipa-prop.o): Likewise.
10477 (ipa-cp.o): Likewise.
10478 (ipa-inline.o): Likewise.
10479 (reorg.o): Likewise.
10480 (reg-stack.o): Likewise.
10482 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10484 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10486 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10488 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10490 * configure.ac: Completely disregard languages that are not
10492 * configure: Regenerated.
10495 * c-common.h (c_build_bitfield_integer_type): Declare.
10496 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10497 * c-common.c (c_build_bitfield_integer_type): ... here.
10499 2006-04-23 Roger Sayle <roger@eyesopen.com>
10502 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10503 a SImode SUBREG of a floating point register after no_new_pseudos.
10505 2006-04-23 Roger Sayle <roger@eyesopen.com>
10507 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10508 identify potentially eliminable registers to additionally catch
10509 VIRTUAL_INCOMING_ARGS_REGNUM.
10510 (addsi3): Update the conditions on when to use addsi_small_int.
10512 2006-04-23 Roger Sayle <roger@eyesopen.com>
10515 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10516 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10517 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10519 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10521 * fold-const.c (range_predecessor): Use operand_equal_p
10522 as the predicate for equality.
10523 (range_successor): Likewise.
10525 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10528 * config/soft-fp/op-common.h: Fix a typo.
10530 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10532 PR libmudflap/26864
10533 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10534 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10536 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10538 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10540 * doc/tm.texi: Fix a typo.
10542 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10544 * dwarf2out.c (struct die_struct): Document that die_sib makes
10545 a circular linked list.
10546 (FOR_EACH_CHILD): New.
10547 (reverse_die_lists): Delete.
10548 (reverse_all_dies): Delete.
10549 (add_dwarf_attr): Correct documentation.
10550 (remove_child_with_prev): New.
10551 (remove_child_TAG): Update for change to die_struct, use
10552 remove_child_with_prev.
10553 (add_child_die): Update for change to die_struct.
10554 (splice_child_die): Use remove_child_with_prev and add_child_die.
10555 (print_die): Use FOR_EACH_CHILD.
10556 (die_checksum): Likewise.
10557 (assign_symbol_names): Likewise.
10558 (output_location_lists): Likewise.
10559 (build_abbrev_table): Likewise.
10560 (calc_die_sizes): Likewise.
10561 (mark_dies): Likewise.
10562 (unmark_dies): Likewise.
10563 (unmark_all_dies): Likewise.
10564 (output_die): Likewise.
10565 (prune_unused_types_mark): Likewise.
10566 (prune_unused_types_walk): Likewise.
10567 (same_die_p): Update for change to die_struct.
10568 (break_out_includes): Likewise.
10569 (prune_unused_types_prune): Likewise.
10570 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10571 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10572 it's already clear.
10573 (dwarf2out_finish): Don't call reverse_all_dies.
10575 2006-04-21 Eric Christopher <echristo@apple.com>
10577 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10578 in comments and function names.
10580 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10583 * c-typeck.c (digest_init): Robustify.
10585 * c-typeck.c (pop_init_level): Simplify.
10587 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10589 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10591 2006-04-21 Paul Brook <paul@codesourcery.com>
10593 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10594 hardware floating point.
10596 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10598 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10601 2006-04-21 Nick Clifton <nickc@redhat.com>
10603 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10606 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10609 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10610 C++ lang type in traceback table for Objective-C++.
10612 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10614 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10616 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10618 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10621 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10622 were errors. Remove check for erroneous objects.
10624 2006-04-20 Jeff Law <law@redhat.com>
10626 PR tree-optimization/26854
10627 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10628 checking for zero or one use.
10629 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10630 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10631 * tree-ssa-reassoc.c (negate_value): Similarly.
10632 (reassociate_bb): Similarly.
10634 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10636 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10637 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10638 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10640 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10642 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10643 fp regs if the last fp arg doesn't fit in regs.
10645 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10648 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10649 that the last insn has the REG_INC note.
10651 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10652 Nathan Sidwell <nathan@codesourcery.com>
10655 * stor-layout.c (update_alignment_for_field): Do not align
10657 (place_union_field): Place union field at the start of the union.
10658 (place_field): Move ERROR_MARK check later, and use the current
10659 allocation position to maintain monotonicity.
10661 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10663 * dominance.c: Include timevar.h.
10664 (calculate_dominance_info): Use TV_DOMINANCE.
10665 * timevar.def (TV_DOMINANCE): New timevar.
10666 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10668 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10670 PR rtl-optimization/14261
10671 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10672 move would be an INSV insn.
10673 (noce_process_if_block): Don't optimize if the destination is a
10674 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10676 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10678 * config/s390/s390.md: Add comments with the instructions emitted
10679 by an insn pattern if macros are used.
10681 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10683 PR rtl-optimization/26026
10684 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10685 is a known power of two shifted left a variable amount.
10687 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10689 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10690 to hash table twice when the debug_str section has SECTION_MERGE.
10692 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10694 * config/soft-fp: New directory. From glibc.
10695 * config/soft-fp/t-softfp: New.
10696 * config/soft-fp/README: New.
10697 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10698 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10699 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10700 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10701 * config.gcc: Use rs6000/t-fprules-fpbit or
10702 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10704 * config/rs6000/sfp-machine.h: New. Based on glibc.
10705 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10707 * config/rs6000/t-fprules: Remove fp-bit rules.
10708 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10709 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10710 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10711 (softfp_wrap_start, softfp_wrap_end): New.
10713 2006-04-18 DJ Delorie <dj@redhat.com>
10715 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10717 2006-04-18 Devang Patel <dpatel@apple.com>
10719 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10721 2006-04-18 Nick Clifton <nickc@redhat.com>
10723 * config/sh/t-symbian: Add rule to build sh-c.o
10724 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10725 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10726 (sh_symbian_encode_section_info): Likewise.
10728 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10730 * builtins.c (expand_builtin_strcmp): Cover label definition of
10731 do_libcall with HAVE_cmpstrnsi.
10733 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10735 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10737 * function.h (temp_slot_p): New.
10738 (function): Change the type of x_used_temp_slots to
10739 VEC(temp_slot_p,gc) *.
10741 2006-04-18 Nick Clifton <nickc@redhat.com>
10743 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10744 flag_strength_reduce.
10746 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10748 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10752 Partial revert of revision 112637
10753 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10754 Dale Johannesen <dalej@apple.com>
10757 * regclass.c (struct reg_pref): Update documentation.
10758 (regclass): Set prefclass to NO_REGS if memory is the best option.
10759 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10761 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10763 PR tree-optimization/26821
10764 * tree-ssa-math-opts.c (get_constant_one): New.
10765 (insert_reciprocals): Use it.
10767 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10769 * dwarf2out.c (free_AT): Delete.
10770 (remove_AT): Update string ref counts.
10771 (remove_child_TAG): Don't call free_die.
10772 (free_die): Delete.
10773 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10774 or DW_TAG_GNU_EINCL.
10775 (prune_unused_types_walk_attribs): Reset string refcounts.
10776 (prune_unused_types_update_strings): New.
10777 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10778 call free_die. Do call prune_unused_types_update_strings.
10779 (prune_unused_types): Empty debug_str_hash.
10781 2006-04-17 Roger Sayle <roger@eyesopen.com>
10783 * expr.c (expand_assignment): Optimize away no-op moves where the
10784 source and destination are equal and have no side-effects.
10786 2006-04-17 Richard Guenther <rguenther@suse.de>
10789 * reload.c (push_reload): Guard calls to get_secondary_mem
10790 for memory subregs.
10792 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10794 * alias.c (reg_base_value, old_reg_base_value): Change the
10795 type to VEC(rtx,gc) *.
10796 (REG_BASE_VALUE, find_base_value, record_set,
10797 init_alias_analysis): Use VEC instead of VARRAY.
10799 * alias.c (alias_sets): Change the type to
10800 VEC(alias_set_entry,gc) *.
10801 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10802 VEC instead of VARRAY.
10803 (last_alias_set): Remove.
10805 * cgraph.h (cgraph_edge_p): New.
10806 Update the prototype of cgraph_function_versioning.
10807 * cgraphunit.c (cgraph_copy_node_for_versioning,
10808 cgraph_function_versioning): Use VEC instead of VARRAY.
10809 * ipa-cp.c (ipcp_insert_stage): Likewise.
10811 2006-04-16 Roger Sayle <roger@eyesopen.com>
10814 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10815 "A op B" or "A op C", we may need to convert A to the type of B and C.
10817 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10819 * target.h (struct gcc_target): Add mode_rep_extended.
10820 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10821 (init_num_sign_bit_copies_in_rep): Initialize it using
10823 (truncate_to_mode): Use it.
10824 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10825 * targhooks.h (default_mode_rep_extended): Declare it.
10826 * targhooks.c (default_mode_rep_extended): Define it.
10827 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10828 default_mode_rep_extended.
10829 (TARGET_INITIALIZER): Include it.
10830 * doc/tm.texi (Misc): Document it.
10831 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10832 (mips_truncated_to_mode): New function.
10834 2006-04-16 Roger Sayle <roger@eyesopen.com>
10836 PR middle-end/25474
10837 * expr.c (compress_float_constant): Copy the narrow constant into
10838 a new pseudo before extending it to its final width.
10840 2006-04-16 Roger Sayle <roger@eyesopen.com>
10841 Andrew Pinski <pinskia@gcc.gnu.org>
10842 Dale Johannesen <dalej@apple.com>
10845 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10846 special case code to implement V8HImode and V16QImode with SSE2.
10848 2006-04-15 Roger Sayle <roger@eyesopen.com>
10850 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10851 trees are constructed with a suitable tree type.
10853 2006-04-15 Roger Sayle <roger@eyesopen.com>
10855 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10856 (integer_onep): Likewise.
10857 (integer_all_onesp): Likewise.
10858 (integer_pow2p): Likewise.
10859 (integer_nonzerop): Likewise.
10860 (real_zerop): Likewise.
10861 (real_onep): Likewise.
10862 (real_twop): Likewise.
10863 (real_minus_onep): Likewise.
10864 (int_size_in_bytes): Likewise.
10865 (host_integerp): Likewise.
10867 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10869 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10870 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10871 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10873 * tree-ssa-structalias.h (alias_info): Remove num_references.
10875 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10877 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10878 (output_bvb patterns): Likewise.
10879 * pa.c (output_bb): Use 'bb' insn for long branch case.
10880 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10881 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10882 1. Correct length operand for alternatives 1 and 2.
10883 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10884 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10886 2006-04-14 Roger Sayle <roger@eyesopen.com>
10888 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10889 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10890 were accidentally reverted by r112959.
10892 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10894 PR middle-end/26823
10895 * except.h (eh_region_outermost): New prototype.
10896 * except.c (eh_region_outermost): New function.
10897 * tree-cfg.c (find_outermost_region_in_block): Use it.
10899 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10901 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10903 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10904 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10905 (init_reload, reload): Use VEC instead of VARRAY.
10906 * reload.h: Update the prototype for
10907 reg_equiv_memory_loc_varray.
10909 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10910 Eric Botcazou <ebotcazou@libertysurf.fr>
10912 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10913 register save area.
10915 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10917 PR middle-end/27134
10918 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10919 to expand fallback builtin function call.
10921 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10923 PR middle-end/27095
10924 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10925 and emit libcall here in case the builtin fails.
10926 (expand_builtin_strcmp): Always emit the libcall here on failure.
10928 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10930 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10931 * flow.c (reg_n_info): Change the type to
10932 VEC(reg_info_p,heap) *.
10933 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10935 * regs.h (reg_info_p): New.
10936 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10937 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10938 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10941 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10943 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10945 * params.h (MAX_SCHED_READY_INSNS): New macro.
10946 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10947 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10948 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10949 the ready list for 1 cycle during the first scheduling pass.
10950 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10952 2006-04-13 Richard Henderson <rth@redhat.com>
10955 * gimple-low.c (lower_omp_directive): Remove dead code.
10956 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10957 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10958 * omp-low.c (struct omp_region): Move to tree-flow.h.
10959 (root_omp_region): Export.
10960 (omp_regions, lookup_omp_region): Remove.
10961 (determine_parallel_type): Update for struct omp_region changes.
10962 (dump_omp_region): Dump regions with block numbers.
10963 (new_omp_region): Take type and block instead of stmt; malloc
10965 (free_omp_region_1, free_omp_regions): New.
10966 (expand_parallel_call): Take entry_stmt as argument; update for
10967 changes to omp_region.
10968 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10969 (remove_exit_barriers): New.
10970 (expand_omp_parallel): Update for struct omp_region changes.
10971 (expand_omp_synch): Likewise.
10972 (expand_omp): Likewise.
10973 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10974 (expand_omp_for_static_chunk): Likewise.
10975 (expand_omp_for): Likewise.
10976 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10977 (expand_omp_sections): Similarly, with GOMP_sections_end.
10978 (expand_omp_single): New.
10979 (build_omp_regions_1): Update for OMP_CONTINUE.
10980 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10981 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10982 OMP_SECTIONS_SECTIONS.
10983 (lower_omp_single_simple): Don't emit barrier here.
10984 (lower_omp_single_copy): Likewise.
10985 (lower_omp_single): Fix bindings, and lower to straightline now.
10986 (lower_omp_master, lower_omp_ordered): Likewise.
10987 (lower_omp_critical): Likewise.
10988 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10989 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10990 omp edges, free it afterward.
10991 (make_omp_sections_edges): Remove.
10992 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10993 (move_stmt_r): Handle OMP_CONTINUE.
10994 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10995 statement pointers to basic blocks. Add type member.
10996 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10997 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10998 * tree-inline.c (estimate_num_insns_1): Likewise.
10999 * tree-pretty-print.c (dump_generic_node): Likewise.
11000 * tree-ssa-operands.c (get_expr_operands): Likewise.
11001 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11002 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11003 (OMP_CONTINUE): New.
11004 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11005 (OMP_SECTIONS_SECTIONS): Remove.
11006 (OMP_SECTION_LAST): New.
11007 (OMP_RETURN_NOWAIT): New.
11009 2006-04-13 Roger Sayle <roger@eyesopen.com>
11011 * fold-const.c (native_encode_vector, native_interpret_real):
11012 Correct obvious mistakes in the previous check-in.
11014 2006-04-13 Roger Sayle <roger@eyesopen.com>
11016 * fold-const.c (native_encode_expr): New function to encode
11017 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11018 or VECTOR_CST into a specified buffer.
11019 (native_encode_int): New function.
11020 (native_encode_real): New function.
11021 (native_encode_complex): New function.
11022 (native_encode_vector): New function.
11023 (native_interpret_expr): Inverse of native_encode_expr to convert
11024 a target representation into an INTEGER_CST, REAL_CST etc...
11025 (native_interpret_int): New function.
11026 (native_interpret_real): New function.
11027 (native_interpret_complex): New function.
11028 (native_interpret_vector): New function.
11029 (fold_view_convert_expr): New function to constant fold/evaluate
11030 a VIEW_CONVERT_EXPR of a suitable constant expression.
11031 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11032 Change call of build1 to fold_build1 when constructing a
11035 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11036 Ulrich Weigand <uweigand@de.ibm.com>
11039 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11042 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11045 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11046 optimize to lo_sum for DFmode if !TARGET_FPRS.
11048 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11050 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11051 delete_alias_info, compute_flow_sensitive_aliasing,
11052 group_aliases): Use VEC instead of VARRAY.
11053 * tree-ssa-structalias.c (update_alias_info): Likewise.
11054 * tree-ssa-structalias.h (alias_info): Change the type of
11055 processed_ptrs to VEC(tree,heap) *.
11057 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11060 * config/sh/lib1funcs.h: New file, broken out of:
11061 * config/sh/lib1funcs.asm.
11062 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11064 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11065 * config/sh/lib1funcs-Os-4-200.asm: New file.
11066 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11067 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11068 (EXTRA_MULTILIB_PARTS): Include it.
11069 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11070 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11071 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11072 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11075 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11077 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11078 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11079 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11081 * tree-ssa-live.h: Include vecprim.h.
11082 (tree_partition_associator_d): Change the type of
11083 first_partition to VEC(int,heap) *.
11084 (tpa_first_partition): Use VEC instead of VARRAY.
11086 * Makefile.in (GTFILES): Move functions.h after tree.h.
11087 * function.c (reset_block_changes, record_block_change,
11088 check_block_change, free_block_changes): Use VEC instead of
11090 * function.h (function): Change the type of
11091 ib_boundaries_block to VEC(tree,gc) *.
11092 * tree-inline.c (copy_cfg_body): Initialize
11093 ib_boundaries_block to NULL instead of (varray_type) 0.
11095 2006-04-12 Roger Sayle <roger@eyesopen.com>
11097 * expr.c (emit_group_store): Correct operand order in call to
11098 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11099 a SUBREG_BYTE of zero.
11101 2006-04-12 Richard Guenther <rguenther@suse.de>
11103 * profile.c (compute_branch_probabilities): Remove code
11104 encapsulated in !ir_type (), which are remanents of the
11105 removed RTL profiling code.
11106 * rtl-profile.c: Remove.
11108 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11110 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11111 magic NULL_RTX comment.
11112 (function_arg): Store entire fp arg to mem if any part should go
11114 (rs6000_arg_partial_bytes): Adjust for above change.
11116 2006-04-11 Roger Sayle <roger@eyesopen.com>
11118 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11119 if it hasn't been initialized by dwarf2out_init.
11121 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11123 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11124 symbolic constants in branch patterns.
11126 2006-04-11 Roger Sayle <roger@eyesopen.com>
11128 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11130 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11132 PR rtl-optimization/27073
11133 * gcse.c (try_replace_reg): Revert last change. Continue to search
11134 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11137 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11139 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11140 aggregate types other than record and union types.
11141 (function_arg): Likewise.
11142 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11144 (function_value): In 64-bit mode, return objects that require it
11147 2006-04-11 Roger Sayle <roger@eyesopen.com>
11149 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11151 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11153 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11155 2006-04-03 Jeff Law <law@redhat.com>
11158 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11159 alias information too.
11161 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11163 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11165 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11168 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11169 (premark_used_types_helper): New.
11170 (premark_used_types): New.
11171 (gen_subprogram_die): Call premark_used_types.
11172 (prune_unused_types_walk): Do not prune perennial dies.
11173 * function.c (used_types_insert): New.
11174 * function.h (struct function): Add used_types_hash field.
11175 (used_types_insert): Add prototype.
11176 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11177 * c-parser.c (c_parser_cast_expression): Save casted types in used
11180 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11183 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11184 rs6000_explicit_options.float_gprs.
11186 2006-04-10 Roger Sayle <roger@eyesopen.com>
11188 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11189 from ix86_expand_vector_init_low_nonzero. Take an additional
11190 one_var argument indicating which element is non-zero. Support
11191 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11192 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11193 with one_var instead of ix86_expand_vector_init_low_nonzero.
11195 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11197 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11198 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11199 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11200 build/genextract.o): Depend on vecprim.h.
11201 * cfglayout.c, df-problems.c, function.c, genextract.c,
11202 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11203 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11207 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11209 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11210 Declare VECs of this type.
11211 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11212 (remove_children): Delete.
11213 (add_dwarf_attr): Use VEC routines.
11214 (add_AT_flag): Update for changes to add_dwarf_attr.
11215 (add_AT_int): Likewise.
11216 (add_AT_unsigned): Likewise.
11217 (add_AT_long_long): Likewise.
11218 (add_AT_vec): Likewise.
11219 (add_AT_string): Likewise.
11220 (add_AT_die_ref): Likewise.
11221 (add_AT_fde_ref): Likewise.
11222 (add_AT_loc): Likewise.
11223 (add_AT_loc_list): Likewise.
11224 (add_AT_addr): Likewise.
11225 (add_AT_lbl_id): Likewise.
11226 (add_AT_lineptr): Likewise.
11227 (add_AT_macptr): Likewise.
11228 (add_AT_offset): Likewise.
11229 (add_AT_range_list): Likewise.
11230 (get_AT): Use VEC_iterate.
11231 (remove_AT): Use VEC_ordered_remove.
11232 (free_die): Fold remove_children into here; have it use VEC_iterate.
11233 (print_die): Use VEC_iterate on attrs.
11234 (reverse_die_lists): Don't reverse attr lists.
11235 (die_checksum): Use VEC_iterate on attrs.
11236 (same_die_p): Likewise.
11237 (output_location_lists): Likewise.
11238 (build_abbrev_table): Likewise.
11239 (size_of_die): Likewise.
11240 (unmark_all_dies): Likewise.
11241 (output_abbrev_section): Likewise.
11242 (output_die): Likewise.
11243 (prune_unused_types_walk_attribs): Likewise.
11245 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11247 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11249 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11252 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11254 2006-04-09 Roger Sayle <roger@eyesopen.com>
11256 * expr.c (store_constructor): Don't bother clearing target if
11257 we're about to assign a vector to it using vec_init_optab.
11259 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11261 * tree-ssa-alias.c (lhs_may_store_to): New function.
11262 (recalculate_used_alone): Handle LHS of calls.
11264 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11268 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11269 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11270 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11271 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11272 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11273 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11274 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11275 stubs. Add ".align 8" directives before all ".dword" directives.
11276 (GTHREAD_USE_WEAK): Revise comment.
11277 (TARGET_ATTRIBUTE_WEAK): Define.
11278 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11279 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11280 * stublib.c: New file.
11285 * pa.md (cbranch patterns): Revise arguments used in calls to
11286 output_cbranch, output_bb and output_bvd. Add long branch length
11288 (fbranch patterns): Handle long branches.
11289 (jump): Revise length check. Revise arguments for output_lbranch call.
11290 Add long branch length attributes.
11291 (decrement_and_branch_until_zero): Add long branch length attributes.
11292 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11293 Likewise. Revise arguments for output_parallel_addb and
11294 output_parallel_movb calls.
11295 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11296 output_parallel_movb and output_parallel_addb): Update prototypes.
11297 * pa.c (output_cbranch): Revise arguments. Correct handling of
11298 nullification in long branches.
11299 (output_lbranch): Add new argument to control extraction of delay
11301 (output_bb): Handle long branches.
11302 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11303 output_parallel_addb): Likewise.
11305 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11307 PR rtl-optimization/27073
11308 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11311 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11313 * tree.h (tree_memory_tag): Add old_used_alone.
11314 (SMT_OLD_USED_ALONE): New macro.
11315 * tree-ssa-alias.c (recalculate_used_alone): Stop
11316 marking things for renaming unnecessarily.
11318 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11320 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11321 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11322 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11323 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11324 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11325 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11326 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11327 spelling convensions.
11328 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11329 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11330 typos. Follow spelling conventions.
11332 2006-04-07 DJ Delorie <dj@redhat.com>
11334 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11335 passed on the stack.
11336 (m32c_init_cumulative_args): When a function returns a structure,
11337 always pass the pointer to that return area on the stack.
11338 (m32c_function_arg_advance): Don't increment the parameter number
11339 if we're processing the returned structure pointer.
11340 (pushm_info): Reverse order of registers.
11342 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11344 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11345 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11346 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11347 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11348 build_int_cst_type.
11349 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11350 chrec_fold_multiply): Same.
11351 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11352 force_expr_to_var_cost): Same.
11353 * tree-mudflap.c (mf_xform_derefs_1): Same.
11354 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11356 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11358 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11359 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11362 2006-04-07 Jan Hubicka <jh@suse.cz>
11364 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11366 2006-04-07 Richard Guenther <rguenther@suse.de>
11368 PR tree-optimization/26135
11369 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11370 loads for store copy-prop.
11371 (copy_prop_visit_stmt): Likewise.
11373 2006-04-05 Robert Millan <robertmh@gnu.org>
11375 * config/i386/linux.h: Add a comment to mark macros that are
11376 being overriden in config/k*bsd-gnu.h.
11377 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11379 * config/knetbsd-gnu.h: Ditto.
11381 2006-04-06 Jan Hubicka <jh@suse.cz>
11385 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11388 2006-04-06 Mike Stump <mrs@apple.com>
11390 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11391 for HAVE_nonlocal_goto to be consistent.
11392 (expand_builtin_nonlocal_goto): Likewise.
11393 (expand_builtin_strcmp): Use #ifdef instead of #if
11394 for HAVE_cmpstrnsi to be consistent.
11396 2006-04-05 DJ Delorie <dj@redhat.com>
11398 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11401 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11403 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11404 got-relative addressing for anything but SImode.
11406 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11407 even if the calling function doesn't modify them.
11409 2006-04-05 Richard Guenther <rguenther@suse.de>
11411 PR tree-optimization/26919
11412 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11413 to cgraph_estimate_size_after_inlining.
11415 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11417 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11419 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11421 PR tree-optimization/26996
11422 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11423 VECTOR_TYPE variables.
11425 2006-04-05 Richard Guenther <rguenther@suse.de>
11427 PR tree-optimization/26763
11428 * fold-const.c (fold_comparison): Move folding of
11429 PTR + CST CMP PTR + CST ...
11430 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11432 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11434 * doc/install.texi (Prerequisites): Refine some wording on
11435 bootstrapping and ksh.
11436 Move the version numbers of DejaGnu here from the testing section
11437 and fix casing of names.
11438 Fix markup and clarify wording for autogen requirements.
11439 Refer to GCJ instead of just java.
11440 Refer to SVN instead of CVS.
11441 Describe diffutils as useful instead of necessary.
11442 (Downloading the source): Refer to SVN instead of CVS.
11443 Adjust a link to our web site accordingly.
11444 (Configuration): Fix casing of Bison.
11445 (Building): Refer to SVN instead of CVS.
11446 Fix a sentence on the use of Bison and remove duplicate (and
11447 incorrect) version number of Bison requirement.
11448 Remove one redundant list of packages needed for building.
11449 (Specific): Avoid reference to CVS.
11451 2006-04-04 Eric Christopher <echristo@apple.com>
11453 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11454 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11455 (rs6000_handle_struct_attribute): New.
11456 (rs6000_ms_bitfield_layout_p): Ditto.
11458 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11460 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11461 NULL for dso parameter to atexit_common.
11463 2006-04-04 Eric Christopher <echristo@apple.com>
11465 * config/i386/i386.c (machopic_output_stub): Output \t
11466 between instructions and operands.
11468 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11470 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11471 satisfies_constraint_[IL] to explicit tests on value.
11473 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11475 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11476 set_nb_iterations_in_loop): Use build_int_cst instead of
11477 build_int_cst_type.
11478 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11479 build_int_cst instead of convert.
11481 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11483 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11484 new value 2 for incoming.
11485 * function.c (expand_function_start): Call struct_value_rtx
11486 with incoming as 2.
11487 * config/sparc/sparc.md: Comment updated_return.
11488 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11489 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11490 struct return if sparc_std_struct_return and incoming is 2.
11491 (print_operand): Do not adjust return if
11492 sparc_std_struct_return.
11494 2006-04-04 Roger Sayle <roger@eyesopen.com>
11496 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11497 convert in the middle-end.
11498 * expr.c (store_expr, store_constructor, get_inner_reference,
11499 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11501 * tree.c (build_range_type): Likewise.
11503 2006-04-04 Tom Tromey <tromey@redhat.com>
11505 * doc/install.texi (Prerequisites): Mention jar.
11507 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11509 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11512 2006-04-04 Matthias Klose <doko@debian.org>
11514 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11518 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11521 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11523 * doc/extend.texi (Function Attributes): Rewrite visibility
11524 attribute documentation.
11525 * doc/invoke.texi (C++ Dialect Options): Rewrite
11526 -fvisibility-inlines-hidden documentation to describe something
11527 entirely different, although in practise compatible.
11528 (Code Gen Options): Warn about system headers in -fvisibility=
11531 * doc/extend.texi (Other Builtins): Document that
11532 __builtin_nan is a compile-time constant only when its argument
11535 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11537 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11538 trying to remove TRUNCATE check if all bits outside the new mode
11539 are identical to the sign bit.
11541 2006-04-03 Jeff Law <law@redhat.com>
11543 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11544 and operand scanning in some common cases.
11546 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11547 Dale Johannesen <dalej@apple.com>
11550 * regclass.c (struct reg_pref): Update documentation.
11551 (regclass): Set prefclass to NO_REGS if memory is the best option.
11552 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11553 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11554 into account. For non-registers, equate an empty preferred
11555 reload class to a `!' in the constraint; move the if clause to
11556 do so after those that reject the insn.
11557 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11559 (find_dummy_reload): Likewise.
11560 * doc/tm.texi (Register Classes): Document what it means
11561 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11562 * config/i386/i386.c (ix86_preferred_reload_class): Force
11563 using SSE registers (and return NO_REGS for floating-point
11564 constants) if math is done with SSE.
11565 (ix86_preferred_output_reload_class): New.
11566 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11567 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11568 * config/i386/i386.md: Remove # register preferences.
11570 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11573 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11574 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11575 the type of nb_iter.
11576 (instantiate_parameters_1): Convert the operands before calling
11577 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11578 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11580 2006-04-02 Roger Sayle <roger@eyesopen.com>
11582 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11583 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11584 instead of convert.
11585 * dojump.c (do_jump): Likewise.
11586 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11587 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11588 gimplify_boolean_expr): Likewise.
11589 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11590 * varasm.c (array_size_for_constructor): Likewise.
11591 * tree-object-size.c (compute_object_offset): Likewise.
11593 2006-04-02 Roger Sayle <roger@eyesopen.com>
11595 PR middle-end/26977
11596 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11597 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11599 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11601 PR tree-optimization/26939
11602 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11604 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11606 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11607 at_stmt. Convert the type of operands before calling
11608 build_polynomial_chrec.
11609 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11610 add_to_evolution_1.
11611 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11612 (instantiate_parameters_1): Convert the type of operands before calling
11613 build_polynomial_chrec.
11614 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11615 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11616 reset_evolution_in_loop): Insert asserts to check the types of the
11618 (chrec_type): Moved...
11619 (eq_evolutions_p): Use operand_equal_p.
11620 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11621 the types of the operands.
11622 (chrec_type): ...here.
11623 * tree-data-ref.c (create_data_ref): Convert the operands before
11624 calling chrec_replace_initial_condition.
11625 (same_access_functions, analyze_subscript_affine_affine,
11626 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11627 (compute_subscript_distance, analyze_ziv_subscript,
11628 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11629 analyze_miv_subscript): Convert the operands before calling
11630 chrec_fold_minus or chrec_fold_plus.
11632 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11634 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11635 the dependence_relations vector.
11636 (compute_data_dependences_for_loop): Adjust call to
11637 compute_all_dependences.
11639 2006-04-01 Roger Sayle <roger@eyesopen.com>
11640 Richard Henderson <rth@redhat.com>
11642 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11643 gimple_boolify on the condition before calling gimplify_expr.
11645 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11647 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11648 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11649 the frame size. Update to use the new macros.
11650 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11651 * config/xtensa/ieee754-df.S: Likewise.
11653 2006-03-31 Richard Henderson <rth@redhat.com>
11655 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11656 (make_edges): ... here. Control fallthru creation with a local
11657 variable. Do not play with fake edges.
11658 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11659 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11662 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11664 * dwarf2.h (DW64_CIE_ID): Define.
11665 * dwarf2out.c (DWARF_CIE_ID): Define.
11666 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11667 length header. Use DWARF_CIE_ID.
11668 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11669 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11671 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11673 * config/sh/linux-atomic.asm: New file.
11674 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11676 2006-03-31 DJ Delorie <dj@redhat.com>
11678 * config/m32c/cond.md: Set condition flags properly throughout.
11679 * config/m32c/minmax.md: Likewise.
11680 * config/m32c/prologue.md: Likewise.
11681 * config/m32c/bitops.md: Likewise.
11682 * config/m32c/muldiv.md: Likewise.
11683 * config/m32c/mov.md: Likewise.
11684 * config/m32c/addsub.md: Likewise.
11685 * config/m32c/m32c.md: Likewise.
11686 * config/m32c/jump.md: Likewise.
11687 * config/m32c/shift.md: Likewise.
11689 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11690 conditionally output the pattern for this.
11691 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11692 (m32c_compare_redundant): New.
11693 (m32c_output_compare): New.
11694 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11696 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11697 dest, not src. Allow other 4-byte modes.
11699 2006-03-30 Denis Chertykov <denisc@overta.ru>
11701 * doc/md.texi: Refer to avr/constraints.md instead of
11704 2006-03-30 Roger Sayle <roger@eyesopen.com>
11706 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11707 signed vs. unsigned comparison failures on some hosts.
11709 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11712 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11713 change to FLOAT_REGS.
11715 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11716 (rs6000_override_options): Use it.
11717 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11718 only for -mabi=spe/no-spe and -mabi=altivec.
11720 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11722 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11725 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11727 * Makefile.in: Rename docdir to gcc_docdir.
11729 2006-03-30 Roger Sayle <roger@eyesopen.com>
11732 * expr.c (emit_group_store): Optimize group stores into a pseudo
11733 register by using a paradoxical subreg to initialize the destination
11734 if the first or last member of the group specifies a "low part".
11736 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11739 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11740 * target.h (struct gcc_target.speculate_insn): Change type of the
11741 second parameter to 'int'.
11742 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11743 the second operand of the DEPS_LIST.
11744 (copy_DEPS_LIST_list): Update reference to the second operand of the
11746 * rtl.h (alloc_DEPS_LIST): Update signature.
11747 * sched-int.h (ds_t): Change typedef to 'int'.
11748 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11750 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11752 * haifa-sched.c (try_ready): Change condition to restore
11753 non-speculative pattern of the instruction.
11754 (process_insn_depend_be_in_spec): Code to keep probability of the
11755 speculative dependence non-decreasing.
11757 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11759 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11760 (single_move_for_movmem): ... this. Also change all uses.
11761 (bfin_expand_strmov): Renamed to...
11762 (bfin_expand_movmem): ... this. Also change all uses.
11763 * config/bfin/bfin.md (movstrsi): Renamed to...
11764 (movstrsi): ...this.
11766 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11768 PR tree-optimization/26830
11770 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11771 (copy_prop_visit_stmt): Remove write-only variable ann.
11772 (init_copy_prop): Check variable loop depth here. Do not simulate
11773 memory-tag and virtual operand PHIs except for store copy prop.
11775 2006-03-30 Richard Guenther <rguenther@suse.de>
11777 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11778 variants with double arguments.
11780 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11782 * genpreds.c (write_tm_constrs_h): Delete variable p.
11783 * genconditions.c (write_header): Add tm-constrs.h to included
11785 * genpeep.c (main): Add toplev.h to included headers.
11786 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11787 (build/genpeep.o): Add toplev.h dependency.
11788 * config/rs6000/constraints.md: Add "W" constraint.
11790 2006-03-29 Roger Sayle <roger@eyesopen.com>
11792 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11793 sizes by correctly testing whether the size fits a host integer.
11794 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11795 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11796 SImode range for the default sizetype and bitsizetype.
11798 2006-03-29 Roger Sayle <roger@eyesopen.com>
11800 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11801 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11802 quickly if the argument is already of the correct type.
11803 Call fold_build1 instead of build1. Tidy up blank lines.
11805 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11807 * genemit.c (main): Add tm-constrs.h to included headers.
11808 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11809 * genpeep.c (main): Add tm-constrs.h to included headers.
11810 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11811 (write_tm_constrs_h): this and write complete file.
11812 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11813 (write_insn_preds_c): Add tm-constrs.h to included headers.
11814 (gen_constrs): New variable.
11815 (parse_option): Parse "-c".
11816 (main): Invoke write_tm_constrs_h.
11817 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11818 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11819 (object_out_file): Add tm-constrs.h dependency.
11820 (insn-emit.o): Same.
11821 (insn-output.o): Same.
11822 (insn-peep.o): Same.
11823 (insn-preds.o): Same.
11824 (insn-recog.o): Same.
11825 (tm-constsr.h): New target.
11826 (s-constrs-h): New target.
11828 * config/rs6000/constraints.md: New file.
11829 * config/rs6000/rs6000.c: Include tm-constrs.h.
11830 (num_insn_constant_wide): Convert to satisfies_constraint.
11831 (rs6000_rtx_costs): Convert to satisfies_constraint.
11832 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11833 (CONST_OK_FOR_LETTER_P): Delete.
11834 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11835 (EXTRA_CONSTRAINT): Delete.
11836 (EXTRA_MEMORY_CONSTRAINT): Delete.
11837 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11838 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11839 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11840 satisfies_constraint.
11842 * config/i386/i386.c: Include tm-constrs.h.
11844 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11846 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11847 * tree-data-ref.c (find_data_references_in_loop,
11848 compute_data_dependences_for_loop): Use pointers to VEC.
11849 (analyze_all_data_dependences): Adjust calls.
11850 * tree-data-ref.h (find_data_references_in_loop,
11851 compute_data_dependences_for_loop): Adjust declarations.
11852 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11853 compute_data_dependences_for_loop.
11855 2006-03-29 Paul Brook <paul@codesourcery.com>
11857 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11858 (movdf_vfp): Ditto.
11860 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11862 PR tree-optimization/26859
11863 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11865 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11866 for the step after fold_convert.
11868 2006-03-29 Paul Brook <paul@codesourcery.com>
11870 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11871 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11873 2006-03-29 Paul Brook <paul@codesourcery.com>
11875 PR middle-end/23623
11876 * targhooks.c (default_narrow_bitfield): New fuction.
11877 * targhooks.h (default_narrow_bitfield): add prototype.
11878 * target.h (gcc_target): Add narrow_volatile_bitfield.
11879 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11880 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11881 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11882 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11884 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11886 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11888 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11889 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11890 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11891 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11892 (s390_function_arg_float): Allow SDmode and DDmode values to be
11893 passed in floating point registers.
11894 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11895 check with SCALAR_FLOAT_MODE_P.
11896 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11898 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11900 PR tree-optimization/25985
11901 * tree-ssa-loop-niter.c (number_of_iterations_le,
11902 number_of_iterations_ne): Make comments more precise.
11903 (number_of_iterations_cond): Add only_exit argument. Use the
11904 fact that signed variables do not overflow only when only_exit
11906 (loop_only_exit_p): New.
11907 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11908 number_of_iterations_cond.
11910 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11912 PR tree-optimization/26643
11913 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11916 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11918 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11919 (divsi3_i4_int): Likewise.
11921 2006-03-28 Roger Sayle <roger@eyesopen.com>
11923 * expr.c (emit_group_store): Only create a new pseudo reg if the
11924 quantity it needs to hold isn't already a suitable pseudo.
11926 2006-03-28 Jeff Law <law@redhat.com>
11928 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11929 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11931 2006-03-28 Roger Sayle <roger@eyesopen.com>
11933 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11934 the equivalent ~X & Y, and the symmetry related transformations.
11935 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11936 ~X & Y, and symmetry related transforms.
11938 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11940 Revert my 2006-03-27 patches.
11942 2006-03-28 Roger Sayle <roger@eyesopen.com>
11944 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11945 ~(T1)X, when T1 and T2 are integer types of the same precision
11946 and (T2)X isn't an extension.
11948 2006-03-28 Jeff Law <law@redhat.com>
11950 PR tree-optimization/26796
11951 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11952 need EH edge cleanups rather than purging them immediately.
11953 (eliminate_degenerate_phis): Handle queued EH cleanups.
11955 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11957 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11960 2006-03-27 Roger Sayle <roger@eyesopen.com>
11962 PR middle-end/22524
11963 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11964 cast BIT_NOT_EXPR operand to the correct type.
11966 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11968 * tree-loop-linear.c: Don't include varray.h.
11969 (gather_interchange_stats, try_interchange_loops,
11970 linear_transform_loops): Use VEC instead of VARRAY.
11971 * lambda-mat.c: Don't include varray.h.
11972 * tree-chrec.c: Same.
11973 * lambda-trans.c: Same.
11974 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11975 VEC instead of VARRAY.
11976 * tree-vectorizer.h: Idem.
11977 * tree-data-ref.c (dump_data_references,
11978 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11979 initialize_data_dependence_relation, finalize_ddr_dependent,
11980 compute_all_dependences, find_data_references_in_loop,
11981 compute_data_dependences_for_loop, analyze_all_data_dependences,
11982 free_dependence_relation, free_dependence_relations,
11983 free_data_refs): Idem.
11984 * tree-data-ref.h (data_reference_p, subscript_p): New.
11985 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11986 VEC instead of VARRAY.
11987 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11988 (find_data_references_in_loop, compute_data_dependences_for_loop,
11989 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11990 dump_data_dependence_relations, free_dependence_relations,
11991 free_data_refs): Adjust declaration.
11992 (lambda_transform_legal_p): Move declaration here...
11993 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11994 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11995 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11996 vect_analyze_data_refs): Use VEC instead of VARRAY.
11997 * lambda.h (lambda_transform_legal_p): ...from here.
11998 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11999 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12000 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12001 tree-chrec.o): Don't depend on VARRAY_H.
12003 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12005 * rtl.def (Copyright): Update date.
12006 (DEPS_LIST): Change type of the second operand to 'int'.
12007 * target.h (Copyright): Update date.
12008 (struct gcc_target.speculate_insn): Change type of the second parameter
12010 * lists.c (Copyright): Update date.
12011 (alloc_DEPS_LIST): Change signature. Update reference to the second
12012 operand of the DEPS_LIST.
12013 (copy_DEPS_LIST_list): Update reference to the second operand of the
12015 * rtl.h (Copyright): Update date.
12016 (alloc_DEPS_LIST): Update signature.
12017 * sched-int.h (Copyright): Update date.
12018 (ds_t): Change typedef to 'int'.
12019 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12021 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12023 * haifa-sched.c (Copyright): Update date.
12024 (try_ready): Change condition to restore non-speculative pattern
12025 of the instruction.
12026 (process_insn_depend_be_in_spec): Code to keep probability of the
12027 speculative dependence non-decreasing.
12029 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12031 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12032 shut up the compiler.
12034 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12036 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12037 to use lib prefix for target.
12038 ($(T)libic_invalidate_array_4-200.a): Likewise.
12039 ($(T)libic_invalidate_array_4a.a): Likewise.
12041 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12042 J"orn Rennecke <joern.rennecke@st.com>
12044 * superh.opt: New file.
12045 * sh.c (boardtype, osruntime): Remove.
12046 * superh.h (SUBTARGET_OPTIONS): Remove.
12047 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12049 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12050 arguments with ^ and/or [].
12052 * config.gcc (sh-*-*): Add quoting to account for quirk of
12054 Replace == with = in enable_incomplete_targets test.
12056 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12057 with MASK_LITTLE_ENDIAN.
12059 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12060 * config/sh/sh.opt: Added to some comments.
12061 * config/sh/superh.h: Removed some chaff.
12063 * config/sh/sh.opt: Add m4-[1234]00* options.
12064 * config/sh/sh.c (sh_handle_option): Likewise.
12065 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12066 (ic_invalidate_array_4-100.o): New rule.
12067 ($(T)libic_invalidate_array_4-100.a): Likewise.
12068 (ic_invalidate_array_4-200.o): Likewise.
12069 ($(T)libic_invalidate_array_4-200.a): Likewise.
12070 (ic_invalidate_array_4a.o): Likewise.
12071 ($(T)libic_invalidate_array_4a.a): Likewise.
12072 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12073 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12075 * config/sh/crt1.asm: Merged in profiling code.
12076 * config/sh/superh.h (STARTFILE_SPEC): Override.
12077 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12078 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12079 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12081 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12082 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12083 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12085 * sh.opt (mpretend-cmove): New option.
12086 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12087 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12088 (movsicc): Add TARGET_PRETEND_CMOVE code.
12090 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12092 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12093 s390_class_max_nregs): New function prototypes.
12094 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12095 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12096 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12097 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12099 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12101 * dwarf2out.c (add_location_or_const_value_attribute): Call
12102 tree_add_const_value_attribute if nothing else works.
12103 (reference_to_unused): New.
12104 (rtl_for_decl_init): Use reference_to_unused to decide whether
12105 to output an initializer.
12107 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12110 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12111 peephole removing spe frob_di_df_2.
12113 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12115 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12116 (subscript_dependence_tester_1): Declared.
12117 (print_dir_vectors, print_dist_vectors): New.
12118 (debug_data_dependence_relation): New.
12119 (dump_data_dependence_relation): Print more details.
12120 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12121 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12122 (save_dist_v, save_dir_v, add_outer_distances,
12123 build_classic_dist_vector_1): New.
12124 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12125 Don't test for lambda_vector_lexico_pos.
12126 (same_access_functions, add_multivariate_self_dist,
12127 add_other_self_distances, dir_from_dist): New.
12128 (build_classic_dir_vector): Replace implementation almost identical to
12129 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12131 (subscript_dependence_tester_1): New.
12132 (subscript_dependence_tester): Handle the lexicographically negative
12133 distance vectors by recomputing the dependence relation.
12134 (compute_affine_dependence): Remove parameter loop_nest_depth.
12135 (compute_self_dependence): Don't call compute_subscript_distance.
12136 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12137 Add a parameter for the loop_nest.
12138 (find_loop_nest_1, find_loop_nest): New.
12139 (compute_data_dependences_for_loop): Compute the loop nest, and give
12140 up if the nest is not well formed.
12141 * tree-data-ref.h (loop_p): New.
12142 (struct data_dependence_relation): Replace size_vect field with
12143 loop_nest, a vec of loops.
12144 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12145 (DDR_LOOP_NEST): New.
12146 (print_dir_vectors, print_dist_vectors,
12147 debug_data_dependence_relation): Declared.
12148 (index_in_loop_nest): New.
12149 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12150 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12153 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12155 * simplify-rtx.c (simplify_relational_operation): Call
12156 simplify_relational_operation_1 even if mode is VOIDmode.
12158 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12160 PR tree-optimization/26804
12161 * tree.h (DECL_CALL_CLOBBERED): New macro.
12162 (tree_decl_common): Add call_clobbered_flag.
12163 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12164 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12165 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12166 (mark_non_addressable): Ditto.
12167 * tree-ssa.c (verify_call_clobbered): New function.
12168 (verify_alias_info): Use it.
12169 * tree-pass.h (pass_reset_cc_flags): New prototype.
12170 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12171 (reset_cc_flags): New function.
12172 * passes.c (init_optimization_passes): Call reset_cc_flags after
12173 initializing referenced_vars.
12175 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12176 Roger Sayle <roger@eyesopen.com>
12178 PR middle-end/26717
12179 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12180 to 1.0 for non-real operands. Implement A / A optimization for
12183 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12185 * config/i386/i386.c (size_cost): Correct the comment for
12186 cost of storing fp registers.
12187 (i386_cost): Likewise.
12188 (i486_cost): Likewise.
12189 (pentium_cost): Likewise.
12190 (pentiumpro_cost): Likewise.
12191 (k6_cost): Likewise.
12192 (athlon_cost): Likewise.
12193 (k8_cost): Likewise.
12194 (pentium4_cost): Likewise.
12195 (nocona_cost): Likewise.
12196 (generic64_cost): Likewise.
12197 (generic32_cost): Likewise.
12199 2006-03-24 Denis Chertykov <denisc@overta.ru>
12201 * config/avr/avr-protos.h (extra_constraint): Delete.
12202 (extra_constraint_Q): New declaration.
12203 * config/avr/constraints.md: New file.
12204 * config/avr/avr.md: Include it.
12205 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12206 (TMP_REGNO, ZERO_REGNO): Likewise.
12207 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12208 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12209 (extra_constraint): Delete.
12210 (extra_constraint_Q): Test for memory constraint 'Q'.
12211 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12212 (REG_CLASS_FROM_LETTER): Delete.
12213 (CONST_OK_FOR_LETTER_P): Delete.
12214 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12215 (EXTRA_CONSTRAINT): Delete.
12216 (TMP_REGNO): Delete.
12217 (ZERO_REGNO): Delete.
12219 2006-03-24 Jeff Law <law@redhat.com>
12221 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12222 directly. Call mark_new_vars_to_rename slightly earlier.
12224 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12226 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12227 (is_cxx): Likewise.
12228 (gen_compile_unit_die): Use new language types for Objective-C and
12230 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12231 DW_LANG_C_plus_plus.
12234 * config/t-darwin (crt3.o): Work around bug 26840.
12235 * config/darwin-crt3.c: Rewrite.
12236 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12238 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12240 * doc/invoke.texi: Document -femit-class-debug-always
12241 * common.opt: Add -femit-class-debug-always.
12243 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12245 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12246 index and base register.
12247 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12248 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12249 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12250 REGNO_OK_FOR_INDEX_P.
12251 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12253 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12254 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12255 REG_OK_FOR_BASE_P): Definitions removed.
12257 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12259 PR middle-end/26611
12260 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12261 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12262 set yet or weren't marked as local yet.
12264 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12266 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12269 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12271 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12272 (rs6000_legitimate_small_data_p): Delete.
12273 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12274 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12275 and make static. Add forward declaration. Update uses.
12276 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12277 of offsettable_memref_p.
12278 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12279 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12281 2006-03-24 Jeff Law <law@redhat.com>
12283 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12284 around bug in immediate-use iterator.
12286 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12289 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12290 or __LITTLE_ENDIAN__.
12292 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12294 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12295 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12296 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12297 * config/sh/sh.opt (mdiv=): Amend description.
12298 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12299 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12300 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12301 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12302 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12303 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12304 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12305 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12306 TARGET_DIVIDE_CALL_FP.
12308 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12310 * haifa-sched.c (choose_ready): Fix type of the local variable.
12311 Move local variables. Add comment.
12312 (check_reg_live): Change signature. Make callable from debugger.
12313 * sched-int.h (check_reg_live): Update signature.
12314 * sched-ebb.c (check_reg_live): Update parameters.
12315 * sched-rgn.c (check_reg_live): Ditto.
12316 (region_head_or_leaf_p): Check pointer before dereferencing.
12317 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12318 before reload on optimization levels below 1.
12320 2006-03-23 Richard Henderson <rth@redhat.com>
12322 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12326 * config/alpha/predicates.md (local_symbolic_operand): Reject
12329 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12332 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12333 expressions which have overflowed constants.
12335 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12337 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12339 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12341 * cfgloopmanip.c (create_loop_notes): Removed.
12342 * final.c (final_scan_insn): Do not handle loop notes.
12343 * jump.c (squeeze_notes): Ditto.
12344 * cfglayout.c (skip_insns_after_block,
12345 duplicate_insn_chain): Ditto.
12346 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12348 * cfgloop.h (create_loop_notes): Declaration removed.
12350 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12352 * varasm.c (output_constant_pool): Restore fnname and fndecl
12354 (assemble_start_function): Adjust call accordingly.
12355 (assemble_end_function): Likewise.
12357 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12360 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12363 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12365 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12368 * system.h (ICE_EXIT_CODE): New macro.
12369 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12370 (diagnostic_action_after_output): Likewise.
12371 * gcc.c (fatal_ice): New function.
12372 (execute): Use it instead of fatal.
12373 (fancy_abort): Likewise.
12374 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12376 2006-03-22 Jeff Law <law@redhat.com>
12378 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12379 iv_analyze_result returning false.
12381 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12383 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12385 2006-03-22 Richard Henderson <rth@redhat.com>
12387 PR middle-end/26084
12388 * except.c (duplicate_eh_regions_0): New.
12389 (duplicate_eh_region_1): Duplicate the children of the node as
12390 well as the node itself. Link them up properly.
12391 (duplicate_eh_region_2): Merge into ...
12392 (duplicate_eh_regions): ... here. Take copy_region argument, and
12393 copy only a sub-tree if asked. Simplify copying and fixup.
12394 (eh_region_outer_p): New.
12395 * except.h (duplicate_eh_regions): Update decl.
12396 (eh_region_outer_p): Declare.
12397 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12398 (lower_omp_master): Likewise.
12399 (lower_omp_ordered): Likewise.
12400 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12401 (move_stmt_r): Use it to remap labels. Handle recursion vs
12402 remap_decls_p properly.
12403 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12404 (find_outermost_region_in_block): New.
12405 (new_label_mapper): New.
12406 (move_sese_region_to_fn): Copy eh information to the new function
12408 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12410 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12413 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12415 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12416 into shared libraries.
12418 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12420 * doc/md.texi: Refer to i386/constraints.md instead of
12421 i386/predicates.md.
12422 * config/i386/constraints.md: New file, extracted from...
12423 * config/i386/predicates.md: ...here.
12424 * config/i386/i386.md: Include constraints.md.
12426 2006-03-21 Jason Merrill <jason@redhat.com>
12428 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12430 PR middle-end/20297
12431 * expr.c (init_block_move_fn): Force default visibility.
12432 (init_block_clear_fn): Likewise.
12433 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12434 * targhooks.c (default_external_stack_protect_fail): Likewise.
12436 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12438 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12439 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12440 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12441 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12442 (loadgp): Use mips_current_loadgp_style.
12443 (loadgp_noshared): New pattern.
12444 (sibcall_internal): Use MIPS_CALL.
12445 (sibcall_value_internal): Likewise.
12446 (sibcall_value_multiple_internal): Likewise.
12447 (call_internal): Likewise.
12448 (call_value_internal): Likewise.
12449 (call_value_multiple_internal): Likewise.
12450 (call_split): Use MIPS_CALL and add an 'S' constraint.
12451 (call_value_split): Likewise.
12452 (call_value_multiple_split): Likewise.
12453 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12454 (-mshared): New option.
12455 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12456 (mips_current_loadgp_style): Declare.
12457 * config/mips/mips.c (mips_classify_symbol): Avoid using
12458 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12459 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12460 TARGET_ABSOLUTE_ABICALLS.
12461 (override_options): Adjust comments. Improve the warning that is
12462 issued when -mabicalls and -G are used together.
12463 (mips_file_start): Remove comment.
12464 (mips_current_loadgp_style): New function.
12465 (mips_gnu_local_gp): New variable.
12466 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12468 (mips_output_function_prologue): Use mips_current_laodgp_style.
12469 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12470 the cprestore instruction.
12471 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12472 live for TARGET_ABSOLUTE_ABICALLS.
12473 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12474 (ASM_SPEC): Pass down -mshared and -mno-shared.
12475 (MIPS_CALL): New macro.
12476 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12478 * doc/invoke.texi (-mabicalls): Update documentation.
12479 (-mshared): Document.
12481 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12483 * config/ia64/unwind-hpux.c: New file.
12484 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12486 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12489 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12491 2006-03-21 Jeff Law <law@redhat.com>
12493 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12494 type conversions of a VR_VARYING source to a wider type.
12496 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12498 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12499 tm_file on Solaris 10 and later.
12500 (sparc64-*-solaris2*): Likewise.
12501 (sparc-*-solaris2*): Likewise.
12502 * config/sol26.h: Rename to config/sol2-6.h.
12503 * config/sol2-10.h: New file.
12505 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12508 * tree-ssa-pre.c (create_component_ref_by_pieces):
12511 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12514 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12515 return it immediately.
12517 2006-03-21 Michael Matz <matz@suse.de>
12519 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12521 (remove_arc, add_arc): Update num_out_arcs member.
12522 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12524 (cache_presence): New function.
12525 (compare_states_for_equiv): New function.
12526 (state_is_differed): Don't take number of outargs, adjust callers.
12527 Use new invariant for speeding up.
12528 (init_equiv_class): Create initial classes based on sorted
12530 (partition_equiv_class): Don't track out_arcs_num.
12531 (evaluate_equiv_classes): Call cache_presence on all states and
12534 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12536 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12537 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12538 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12539 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12541 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12542 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12543 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12544 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12545 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12547 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12548 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12549 (REGNO_REG_CLASS): ARGP is in PREGS.
12550 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12552 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12553 to deal with those addresses.
12554 * addresses.h: New file.
12555 * caller-save.c: Include "addresses.h".
12556 (init_caller_save): Use new base_reg_class function.
12557 * rtl-factoring.c: Include "addresses.h".
12558 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12559 * recog.c: Include "addresses.h".
12560 (preprocess_constraints): Use new base_reg_class function.
12561 * regrename.c: Include "addresses.h".
12562 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12563 functions. Keep track of a new var INDEX_CODE to compute valid
12565 (replace_oldest_value_addr): Likewise.
12566 (replace_oldest_value_mem): Use base_reg_class.
12567 * reload.c: Include "addresses.h".
12568 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12569 (find_reloads): Use new base_reg_class function.
12570 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12571 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12572 all callers and prototype changed.
12573 * reload1.c: Include "addresses.h".
12574 (maybe_fix_stack_asms): Use base_reg_class.
12575 * regclass.c: Include "addresses.h".
12576 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12577 (init_reg_autoinc): Use new base_reg_class function.
12578 (record_reg_classes): Likewise.
12579 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12580 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12581 Use new args to compute necessary class.
12583 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12584 regrename.o, rtl-factoring.o): Update dependencies.
12585 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12586 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12587 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12588 REG_OK_FOR_INDEX_P): Delete documentation.
12590 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12592 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12593 from V7 to V9 for Solaris 7 and above.
12595 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12597 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12598 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12599 argument pointers may not alias any other storage.
12600 * common.opt: Define option -fargument-noalias-anything.
12601 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12602 alias semantics is specified by flag_argument_noalias > 2.
12604 2006-03-20 Jeff Law <law@redhat.com>
12606 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12607 (pass_phi_only_cprop): Declare.
12608 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12609 with phi_only_cprop
12610 * tree-ssa-dom.c (degenerate_phi_result): New function.
12611 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12612 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12613 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12614 (eliminate_degenerate_phis): Likewise.
12615 (pass_phi_only_cprop): New pass descriptor.
12616 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12617 support code. Callers updated.
12618 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12619 (store_copy_prop): Likewise.
12620 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12622 2006-03-20 Jason Merrill <jason@redhat.com>
12625 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12626 (push_visibility, pop_visibility): Likewise.
12627 * c-pragma.h: Declare them.
12629 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12631 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12633 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12634 parameter and use get_ebb_head_tail.
12635 (sh_md_init_global): Adjust uses of find_regmode_weight.
12637 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12639 * function.h (struct function) <x_tail_recursion_reentry>:
12640 Rename to x_stack_check_probe_note.
12641 (tail_recursion_reentry): Rename to stack_check_probe_note.
12642 * function.c: Replace tail_recursion_reentry with
12643 stack_check_probe_note everywhere.
12644 (expand_function_start): Only emit a note for
12645 stack_check_probe_note with -fstack-protect.
12646 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12648 * emit-rtl.c (remove_unnecessary_notes): Remove.
12649 (pass_remove_unnecessary_notes): Remove.
12650 * rtl.h (remove_unnecessary_notes): Remove prototype.
12651 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12652 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12653 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12655 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12658 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12659 (valid_in_set): Handle ARRAY_REF.
12660 Change "if min_variant or VH" to asserts.
12661 (create_component_ref_by_pieces): Handle ARRAY_REF.
12662 (create_expression_by_pieces): Likewise.
12663 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12665 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12667 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12668 is operand of switch, not str[0].
12670 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12672 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12673 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12675 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12677 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12678 end of insn_extra_address_constraint declaration.
12680 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12682 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12683 (no-sum-in-toc): Same.
12684 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12686 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12687 NO_FP_IN_TOC for -fPIC instead of mask.
12689 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12690 (BOOT_LDFLAGS): Delete.
12692 * config/rs6000/t-aix52: Same.
12694 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12695 (stmsi[345678]_power): New.
12697 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12699 * config/ia64/ia64.opt: Add empty line to end of file.
12701 2006-03-17 Richard Guenther <rguenther@suse.de>
12703 PR middle-end/26721
12704 * builtins.c (get_pointer_alignment): For component style references
12705 adjust alignment to the component type alignment. Make sure
12706 to adjust alignment for component access of constants.
12708 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12710 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12711 unconditional jump.
12713 2006-03-17 Paul Brook <paul@codesourcery.com>
12715 * doc/install.texi: Docuemnt --with-mode.
12716 * config.gcc: Add --with-mode for arm*-*-*.
12717 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12719 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12721 * sh.c (max_labelno_before_reorg): New variable.
12722 (sh_reorg): Initialize it.
12723 (find_barrier): Check max_labelno_before_reorg before using
12724 label_to_alignment. Take length of explicit alignment insns
12725 into account. When seeing a UNSPECV_CONST_END, return it.
12727 * sh.c (fixup_mova): Set mode of affected label to QImode.
12728 (untangle_mova): New function.
12729 (find_barrier): Use it. Check mode of label before decrementing
12731 (sh_reorg): Likewise.
12732 Set mode of all insns back to VOIDmode.
12734 * sh.c (MOVA_LABELREF): New macro.
12735 (mova_p, fixup_mova, sh_reorg): Use it.
12736 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12737 ADDR_DIFF_VEC matches mova.
12739 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12741 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12742 with ATTRIBUTE_UNUSED.
12744 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12746 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12747 pointer, instead of assuming it is possible to derive the
12748 correct args size from a call insn.
12750 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12752 * rtl.h (CONST_INT_P): Define.
12753 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12754 instead of GET_CODE(x) == CONST_INT.
12755 (vax_rtx_costs): Likewise.
12756 (vax_output_int_move): Likewise.
12757 (vax_output_int_add): Likewise.
12758 (legitimate_constant_address_p): Likewise.
12759 (index_term_p): Likewise.
12760 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12761 * config/vax/vax.md (and<mode>3): Likewise.
12762 (ashrsi3): Likewise.
12764 (movstricthi): Likewise.
12765 (movstrictqi): Likewise.
12766 (rotrsi3): Likewise.
12767 (five unnamed insns): Likewise.
12769 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12771 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12772 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12773 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12774 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12775 Pass to ASM_OUTPUT_DWARF_OFFSET.
12776 * dwarf2out.c (debug_frame_section): New.
12777 (output_call_frame_info): Use debug_frame_section. Pass it to
12778 dw2_asm_output_offset.
12779 (output_die): Pass appropriate section to dw2_asm_output_offset.
12780 (output_compilation_unit_header): Likewise.
12781 (output_pubnames): Likewise.
12782 (output_aranges): Likewise.
12783 (enum dw_val_class): Break dw_val_class_lbl_offset into
12784 dw_val_class_lineptr and dw_val_class_macptr.
12785 (add_AT_lbl_offset): Delete.
12786 (add_AT_lineptr): New.
12787 (add_AT_macptr): New.
12788 (AT_lbl): Expect a lineptr or macptr.
12789 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12790 (attr_checksum): Likewise.
12791 (same_dw_val_p): Likewise.
12792 (size_of_die): Likewise.
12793 (value_format): Likewise.
12794 (output_die): Likewise.
12795 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12797 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12798 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12799 * config/darwin-protos.h (darwin_file_start): New.
12800 (darwin_asm_output_dwarf_offset): New.
12801 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12802 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12804 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12805 if not EH section; simplify.
12806 (darwin_file_start): New.
12807 (darwin_asm_output_dwarf_offset): New.
12808 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12810 (DEBUG_INFO_SECTION): Likewise.
12811 (DEBUG_ABBREV_SECTION): Likewise.
12812 (DEBUG_ARANGES_SECTION): Likewise.
12813 (DEBUG_MACINFO_SECTION): Likewise.
12814 (DEBUG_LINE_SECTION): Likewise.
12815 (DEBUG_LOC_SECTION): Likewise.
12816 (DEBUG_PUBNAMES_SECTION): Likewise.
12817 (DEBUG_STR_SECTION): Likewise.
12818 (DEBUG_RANGES_SECTION): Likewise.
12819 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12820 (ASM_OUTPUT_DWARF_OFFSET): New.
12822 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12824 * config.gcc (tm_defines): Always add to previous value rather
12827 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12829 * config/mips/predicates.md (splittable_const_int_operand): New,
12830 split from move_operand.
12831 (splittable_symbolic_operand): New.
12832 (move_operand): Add commentary. Use splittable_const_int_operand.
12833 Inline mips_atomic_symbolic_constant_p.
12834 * config/mips/mips.md: Add combine splitters for handling moves
12835 of splittable_const_int_operands and splittable_symbolic_operands.
12836 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12837 (mips_split_symbol): Declare.
12838 (mips_move_integer): Declare.
12839 * config/mips/mips.c (mips_split_p): Make global.
12840 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12841 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12842 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12843 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12844 (mips_offset_within_object_p): Handle block symbols.
12845 (mips_atomic_symbolic_constant_p): Delete.
12846 (mips_cannot_force_const_mem): Return false for constants that
12847 mips_legitimize_move can handle.
12848 (mips_use_blocks_for_constant_p): New function.
12849 (mips_split_symbol): Make global.
12850 (mips_move_integer): Likewise. Add a temporary register argument.
12851 (mips_legitimize_const_move): Use splittable_const_int_operand and
12852 splittable_symbolic_operand.
12853 (mips_use_anchors_for_symbol_p): New function.
12854 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12855 (mips_split_p): Declare.
12857 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12859 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12860 (mips*-*-linux*): Likewise.
12862 2006-03-16 Roger Sayle <roger@eyesopen.com>
12863 Daniel Speyer <dspeyer@wam.umd.edu>
12865 PR middle-end/18259
12866 * tree-dump.c (dump_real): New function.
12867 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12868 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12869 (tree-dump.o): Add $(REAL_H) to the dependencies.
12871 2006-03-16 Roger Sayle <roger@eyesopen.com>
12873 PR middle-end/21781
12874 * real.c (real_from_string): If the mantissa is zero, don't bother
12875 parsing the exponent as the result should always be zero.
12877 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12879 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12881 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12883 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12884 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12885 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12886 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12887 ia64_sched_finish_global): New static functions to implement
12888 hooks from gcc_target.sched.
12889 (spec_check_no, max_uid, pending_data_specs): New static variables.
12890 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12891 ia64_spec_check_src_p): New static functions.
12892 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12893 (TARGET_SCHED_ADJUST_COST): Removed.
12894 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12895 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12896 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12897 TARGET_SCHED_GEN_CHECK,
12898 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12899 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12900 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12901 Fixed to handle speculation checks.
12902 (rtx_needs_barrier): Fixed to handle speculative loads and
12904 (ia64_variable_issue): Added code to count speculative loads and their
12906 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12908 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12910 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12912 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12913 (ia64_reorg): Reset stops_p to NULL after it is freed.
12914 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12915 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12916 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12918 (data_speculative, control_speculative, check_load): New attributes.
12919 (mov<mode>_advanced, mov<mode>_speculative,
12920 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12921 zero_extend<mode>di2_speculative,
12922 zero_extend<mode>di2_speculative_advanced): New patterns for
12923 data and control speculative loads.
12924 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12926 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12927 New pattern for data and control speculation checks.
12928 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12929 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12930 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12931 Auxiliary definitions for the patterns.
12932 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12933 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12935 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12937 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12938 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12939 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12940 New resource constraints.
12941 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12943 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12944 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12945 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12946 msched-in-control-spec, msched-ldc, msched-control-ldc,
12947 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12948 msched-prefer-non-control-spec-insns,
12949 msched-count-spec-in-critical-path): New flags to tune speculative
12951 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12952 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12953 msched-in-control-spec, msched-ldc, msched-control-ldc,
12954 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12955 msched-prefer-non-control-spec-insns,
12956 msched-count-spec-in-critical-path): Document new flags.
12958 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12960 * target.h (struct spec_info_def): New opaque declaration.
12961 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12962 speculate_insn, needs_block_p, gen_check,
12963 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12964 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12965 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12966 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12967 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12968 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12970 (TARGET_SCHED): Use new macros.
12971 * rtl.h (copy_DEPS_LIST_list): New prototype.
12972 * sched-int.h (struct sched_info): Change signature of new_ready field,
12973 adjust all initializations. New fields: add_remove_insn,
12974 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12975 region_head_or_leaf_p.
12976 (struct spec_info_def): New structure declaration.
12977 (spec_info_t): New typedef.
12978 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12979 recovery_block, orig_pat.
12980 (glat_start, glat_end): New variables declaraions.
12981 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12983 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12984 DETACH_LIFE_INFO, USE_GLAT.
12985 (enum SPEC_SCHED_FLAGS): New enumeration.
12986 (NOTE_NOTE_BB_P): New macro.
12987 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12988 attach_life_info, debug_spec_status, check_reg_live): New functions.
12989 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12990 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12992 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12993 * ddg.c (get_block_head_tail): Adjust all uses.
12994 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12995 (sms_sched_info): Initialize new fields.
12996 (contributes_to_priority): Removed.
12997 * haifa-sched.c (params.h): New include.
12998 (get_block_head_tail): Adjust all uses.
12999 (ISSUE_POINTS): New macro.
13000 (glat_start, glat_end): New global variables.
13001 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13002 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13003 old_last_basic_block, before_recovery, current_sched_info_var,
13004 rgn_n_insns, luid): New static variables.
13005 (insn_cost1): New function. Move logic from insn_cost to here.
13006 (find_insn_reg_weight1): New function. Move logic from
13007 find_insn_reg_weight to here.
13008 (reemit_notes, move_insn, max_issue): Change signature.
13009 (move_insn1): Removed.
13010 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13011 extend_bb): New static functions to support extension of scheduler's
13013 (generate_recovery_code, process_insn_depend_be_in_spec,
13014 begin_speculative_block, add_to_speculative_block,
13015 init_before_recovery, create_recovery_block, create_check_block_twin,
13016 fix_recovery_deps): New static functions to support
13017 generation of recovery code.
13018 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13019 restore_bb_notes, move_block_after_check, move_succs): New static
13020 functions to support ebb scheduling.
13021 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13022 functions to support handling of register live information.
13023 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13024 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13025 add_jump_dependencies): New static functions.
13026 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13027 consistancy checking.
13028 (debug_spec_status): New function to call from debugger.
13029 (priority): Added code to handle speculation checks.
13030 (rank_for_schedule): Added code to distinguish speculative instructions.
13031 (schedule_insn): Added code to handle speculation checks.
13032 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13033 Fixed to handle ebbs.
13034 (move_insn): Added code to handle ebb scheduling.
13035 (max_issue): Added code to use ISSUE_POINTS of instructions.
13036 (choose_ready): Added code to choose between speculative and
13037 non-speculative instructions.
13038 (schedule_block): Added code to handle ebb scheduling and scheduling of
13039 speculative instructions.
13040 (sched_init): Initialize new variables.
13041 (sched_finish): Free new variables. Print statistics.
13042 (try_ready): Added code to handle speculative instructions.
13043 * lists.c (copy_DEPS_LIST_list): New function.
13044 * sched-deps.c (extend_dependency_caches): New function. Move logic
13045 from create_dependency_caches to here.
13046 (get_dep_weak, ds_merge): Make global.
13047 * genattr.c (main): Code to output prototype for
13048 dfa_clear_single_insn_cache.
13049 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13050 (output_dfa_clean_insn_cache_func): Code to output
13051 dfa_clear_single_insn_cache function.
13052 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13054 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13056 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13057 New static variables.
13058 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13059 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13061 (ebb_sched_info): Initialize new fields.
13062 (get_block_head_tail): Adjust all uses.
13063 (compute_jump_reg_dependencies): Fixed to use glat_start.
13064 (schedule_ebb): Code to remove unreachable last block.
13065 (schedule_ebbs): Added code to update register live information.
13066 * sched-rgn.c (region_sched_info): Initialize new fields.
13067 (get_block_head_tail): Adjust all uses.
13068 (last_was_jump): Removed. Adjust users.
13069 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13070 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13071 Implement new hooks.
13072 (check_dead_notes1): New static function.
13073 (struct region): New fields: dont_calc_deps, has_real_ebb.
13074 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13075 (BB_TO_BLOCK): Fixed to handle EBBs.
13076 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13077 (ebb_head): New static variable.
13078 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13079 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13081 (compute_dom_prob_ps): New assertion.
13082 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13083 global_live_at_start.
13084 (init_ready_list): New assertions.
13085 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13086 (new_ready): Add support for BEGIN_CONTROL speculation.
13087 (schedule_insns): Fixed code that updates register live information
13089 (schedule_region): Fixed to handle EBBs.
13090 (init_regions): Use extend_regions and check_dead_notes1.
13091 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13092 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13093 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13094 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13095 TARGET_SCHED_GEN_CHECK,
13096 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13097 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13098 * doc/invoke.texi (max-sched-insn-conflict-delay,
13099 sched-spec-prob-cutoff): Document.
13101 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13103 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13104 inter_tick, queue_index.
13105 (struct sched_info): Change signature of init_ready_list field.
13106 Adjust all initializations.
13107 (RESOLVED_DEPS): New access macro.
13108 (ready_add): Remove prototype.
13109 (try_ready): Add prototype.
13110 * sched-rgn.c (init_ready_list): Use try_ready.
13111 (schedule_region): Initialize
13112 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13113 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13114 (init_ready_list): Use try_ready.
13115 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13116 * lists.c (remove_list_elem): Remove `static'.
13117 (remove_free_INSN_LIST_elem): New function.
13118 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13119 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13120 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13122 (readyp): New variable.
13123 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13124 change_queue_index, resolve_dep): New static functions.
13125 (try_ready): New function. Adjust callers in sched-rgn.c and
13126 sched-ebb.c to use it instead of ready_add.
13127 (clock_var): Move at the begining of file.
13128 (rank_for_schedule): Fix typo.
13129 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13130 (ready_lastpos): Enforce assertion.
13131 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13132 update all callers.
13133 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13134 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13135 (queue_to_ready): Use free_INSN_LIST_list.
13136 (early_queue_to_ready): Fix typo.
13137 (schedule_block): Init readyp. Move init_ready_list call after the
13138 initialization of clock_var. Fix error in rejecting insn by
13139 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13140 that previously corrected INSN_TICKs. Add code for handling
13142 (set_priorities): Fix typo.
13143 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13144 Clarify comment and code that keeps current_sched_info->next_tail
13147 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13149 * sched-rgn.c (extend_rgns): New static function.
13150 (find_rgns): Use it.
13151 (gather_region_statistics, print_region_statistics): New static
13153 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13154 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13156 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13157 Andrey Belevantsev <abel@ispras.ru>
13159 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13160 * lists.c (unused_deps_list): New variable.
13161 (free_list): Add assertions to verify the proper distinguishing
13162 between INSN_LISTs and DEPS_LISTs.
13163 (find_list_elem, remove_list_elem, remove_list_node): New static
13165 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13166 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13167 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13168 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13170 (free_INSN_LIST_node): Likewise.
13171 * modulo-sched.c (current_sched_info): Initialize flags field.
13172 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13173 * rtl.def (DEPS_LIST): Define.
13174 * rtl.h: Declare new functions from lists.c.
13175 * sched-deps.c (spec_dependency_cache): New static variable.
13176 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13177 (add_dependence): Change return type to void. Move the logic to ...
13178 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13179 (delete_all_dependences): Add comment about forward_dependency_cache.
13180 Handle spec_dependency_cache. Handle DEPS_LISTs.
13181 (fixup_sched_groups): Clarify the change of priority of output
13182 and anti dependencies.
13183 (sched_analyze_2): Adjust add_dependence calls to create data
13184 speculative dependence.
13185 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13186 Adjust all callers. Handle DEPS_LISTS.
13187 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13188 presence of speculation.
13189 (init_dependency_caches, free_dependency_caches):
13190 Handle spec_dependency_cache.
13191 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13192 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13193 New static functions.
13194 (add_or_update_back_dep, add_or_update_back_forw_dep,
13195 add_back_forw_dep, delete_back_forw_dep): New functions.
13196 * sched-int.h (ds_t, dw_t): New typedefs.
13197 (struct sched_info): Add new field flags.
13198 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13199 Prototype new sched-deps.c functions.
13200 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13201 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13202 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13203 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13204 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13205 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13207 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13209 * sched-rgn.c (current_sched_info): Initialize flags field.
13210 (schedule_insns): Initialize current_sched_info before the sched_init
13212 * sched-ebb.c (current_sched_info): Initialize flags field.
13213 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13214 Call add_or_update_back_dep instead of add_dependence.
13215 Create control speculative dependencies.
13216 (schedule_insns): Initialize current_sched_info before the sched_init
13219 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13221 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13223 (sh_fallback_frame_state): Likewise.
13225 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13227 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13228 Do switch on default_use_cxa_atexit.
13229 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13230 * config/darwin-crt3.o: New.
13231 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13232 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13233 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13235 * config/rs6000/t-darwin: Move crt2.o building to here.
13236 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13237 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13240 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13242 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13243 from '! xxx' to '!xxx' for coding-style conformance.
13244 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13245 (EXTRA_CONSTRAINT): Likewise.
13246 * config/vax/vax.md (four unnamed insns): Likewise.
13248 2006-03-15 Paul Brook <paul@codesourcery.com>
13250 * config/arm/arm.c (minipool_pad): New.
13251 (add_minipool_forward_ref): Include pool alignment padding in address
13253 (push_minipool_fix): Set minipool_pad.
13254 (minipool_pad): Ditto.
13256 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13258 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13259 instead of GET_CODE() == MEM and REG_P() instead of
13261 (print_operand_address): Likewise.
13262 (vax_address_cost): Likewise.
13263 (vax_rtx_costs): Likewise.
13264 (vax_notice_update_cc): Likewise.
13265 (vax_output_int_add): Likewise.
13266 (INDEX_REGISTER_P): Likewise.
13267 (BASE_REGISTER_P): Likewise.
13268 (nonindexed_address_p): Likewise.
13269 (vax_mode_dependent_address_p): Likewise.
13270 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13271 (PRINT_OPERAND): Likewise.
13272 * config/vax/vax.md (ashlsi3): Likewise.
13273 (ashlsi3): Likewise.
13274 (some more unnamed insns): Likewise.
13276 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13278 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13279 iterator-style macro.
13280 (mark_control_dependent_edges_necessary): Update the use of
13281 EXECUTE_IF_CONTROL_DEPENDENT.
13283 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13285 * config/sh/predicates.md (cache_address_operand): Special.
13286 (ua_address_operand): Likewise.
13288 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13290 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13292 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13294 2006-03-15 Andreas Schwab <schwab@suse.de>
13296 * gensupport.c (identify_predicable_attribute): Don't free p_false
13297 when it is still in use.
13299 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13301 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13302 the default setting here.
13304 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13306 * tree-pass.h (pass_cfg): Remove.
13307 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13308 * passes.c (pass_cfg): Don't run it.
13310 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13312 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13313 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13315 (stack_regs_mentioned): Update the uses of
13316 stack_regs_mentioned_data. Don't access the array beyond its
13318 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13319 Don't include gt-reg-stack.h.
13321 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13322 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13324 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13326 PR middle-end/26684
13327 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13330 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13332 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13334 2006-03-14 Richard Guenther <rguenther@suse.de>
13336 PR tree-optimization/26672
13337 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13340 2006-03-14 Richard Guenther <rguenther@suse.de>
13342 PR tree-optimization/26667
13343 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13344 node for the callees. Always allow inlining if it will shrink
13347 2006-03-14 Richard Guenther <rguenther@suse.de>
13349 PR middle-end/26659
13350 * builtins.c (get_pointer_alignment): Prefer alignment
13351 information from decls over that from types.
13353 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13356 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13358 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13360 * config/rs6000/rs6000.opt (mdlmzb): New option.
13361 (msched-prolog, msched-epilog): Use Var not Mask.
13362 * doc/invoke.texi (-mdlmzb): Document.
13363 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13365 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13366 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13368 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13370 PR rtl-optimization/25739
13371 * bt-load.c (augment_live_range): Free tos pointer.
13373 * gensupport.c (identify_predicable_attribute): Free
13375 * gcov.c (create_file_names): Free name pointer.
13377 2006-03-13 Roger Sayle <roger@eyesopen.com>
13379 PR middle-end/26557
13380 * stmt.c (emit_case_nodes): Handle the case where the index is a
13381 CONST_INT, where the comparison mode is specified by the index type.
13383 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13385 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13388 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13390 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13391 (*branch_fp_inverted): Likewise.
13393 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13395 PR middle-end/25989
13396 * omp-low.c (expand_omp_for_generic): Mark istart0
13397 and iend0 as addressable.
13399 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13401 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13403 2006-03-13 Jeff Law <law@redhat.com>
13405 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13406 virtual operands are interesting.
13407 (vrp_visit_stmt): Corresponding changes.
13409 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13411 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13413 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13414 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13415 * config/bfin/crti.S: Use it instead of __PIC__.
13416 * config/bfin/crtn.S: Likewise.
13418 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13419 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13421 Lose 'G' modifier for call operand.
13422 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13423 recognize 'G' modifier.
13425 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13427 PR middle-end/18859
13428 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13429 * stmt.c (expand_case): Likewise.
13431 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13433 PR rtl-optimization/26254
13434 * loop-invariant.c (seq_insns_valid_p): New function.
13435 (move_invariant_reg): Only emit new code if it is valid.
13437 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13439 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13441 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13442 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13443 (commit_one_edge_insertion): Do not look for loop notes.
13445 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13447 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13448 flag_test_coverage out of loop.
13450 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13452 * final.c (shorten_branches): Remove outdated comment, and turn
13453 the if branch that guards it to continue.
13455 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13457 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13458 * cfgloop.h (struct loop): Remove unused fields.
13460 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13462 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13463 (-dL, -fdump-rtl-loop2): Update the dump file names
13465 * doc/invoke.texi: Update dump file names.
13467 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13469 * predict.c (estimate_probability): Remove.
13470 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13471 * basic-block.h (estimate_probability): Remove prototype.
13472 * passes.c (finish_optimization_passes): Dump branch prediction or
13473 profiling heuristics to the .profile tree dump.
13474 (init_optimization_passes): Unqueue pass_branch_prob.
13476 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13478 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13480 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13481 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13483 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13485 * function.h (frame_offset_overflow): Declare.
13486 * function.c (frame_offset_overflow): New function.
13487 (assign_stack_local_1): Call it to detect that the offset overflows.
13488 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13490 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13492 * config/sh/sh.c: Include alloc-pool.h.
13493 (label_ref_list_pool): New alloc pool.
13494 (label_ref_list_t): New type for lists of labels.
13495 (struct pool_node): Make wend a label_ref_list_t.
13496 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13498 (dump_table): Likewise.
13499 (sh_reorg): Set up the alloc pool before using add_constant and
13500 dump_table, and destroy it when finishing.
13502 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13504 * config/mips/mips.c: Remove redundant comment.
13506 2006-03-10 Jason Merrill <jason@redhat.com>
13509 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13510 the target was declared 'register'.
13512 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13514 * genpreds.c (write_insn_constraint_len): Change definition of
13515 insn_constraint_len to return size_t to match the declaration.
13517 2006-03-10 DJ Delorie <dj@redhat.com>
13519 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13521 (m32c_expand_insv): Fix test for an AND mask.
13523 2006-03-10 Richard Guenther <rguenther@suse.de>
13525 PR middle-end/26565
13526 * builtins.c (get_pointer_alignment): Handle component
13527 references for field alignment.
13529 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13531 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13532 when building with libgloss.
13533 (sh*elf): Implement --without-fp option.
13534 (sh64-superh-linux*): Don't multilib.
13536 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13538 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13540 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13542 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13543 Set it when one of the replacement functions returned true.
13544 Return TODO_cleanup_cfg if cfgchanged is true.
13545 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13547 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13549 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13550 instead of gen_lowpart.
13552 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13554 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13556 (mips_output_order_conditional_branch): Declare.
13557 * config/mips/mips.h (MIPS_BRANCH): New macro.
13558 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13559 for the comparison. Use gen_condjump.
13560 (mips_output_conditional_branch): Rework interface to take the
13561 asm templates for a direct branch and the inverse of a direct branch.
13562 (mips_output_order_conditional_branch): New function.
13563 (mips_builtin_branch_and_move): New function.
13564 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13565 branch condition. Use gen_single_cc as the condition for
13566 __builtin_mips_upper_* or __builtin_mips_lower_*.
13567 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13568 Use VOIDmode for the branch condition.
13569 * config/mips/predicates.md (order_operator): New predicate.
13570 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13571 (branch_fp): Rename to...
13572 (*branch_fp): ...this. Remove mode from comparison operator.
13573 Use new mips_output_conditional_branch interface.
13574 (branch_fp_inverted): Rename to...
13575 (*branch_fp_inverted): ...this and update as for *branch_fp.
13576 (*branch_zero<mode>): Rename to...
13577 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13578 Use mips_output_order_conditional_branch. Only accept ordered
13580 (*branch_zero<mode>_inverted): Rename to...
13581 (*branch_order<mode>_inverted): ...this and update as for
13582 *branch_order<mode>.
13583 (*branch_equality<mode>): Accept zero as the second operand to
13584 the equality operator. Use the new mips_output_conditional_branch
13586 (*branch_equality<mode>_inverted): Likewise.
13587 (condjump): New expander.
13588 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13590 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13591 (bc1any2t, bc1any2f): Likewise.
13592 (single_cc): New expander.
13593 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13595 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13597 * doc/md.texi: Update documentation of MIPS constraints.
13598 * config/mips/constraints.md: New file.
13599 * config/mips/mips.md: Include it.
13600 * config/mips/mips.c (mips_char_to_class): Delete.
13601 (override_options): Don't initialize mips_char_to_class.
13602 * config/mips/mips.h (mips_char_to_class): Delete.
13603 (REG_CLASS_FROM_LETTER): Delete.
13604 (CONST_OK_FOR_LETTER_P): Delete.
13605 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13606 (EXTRA_CONSTRAINT_Y): Delete.
13607 (EXTRA_CONSTRAINT_STR): Delete.
13608 (CONSTRAINT_LEN): Delete.
13609 (EXTRA_MEMORY_CONSTRAINT): Delete.
13611 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13613 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13614 original fn's eh regions.
13616 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13618 * fold-const.c (build_range_check): Make sure to use a valid type to
13619 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13622 (range_predecessor): New static function.
13623 (range_successor): Likewise.
13624 (merge_ranges): Use them to compute predecessors and successors of
13627 2006-03-09 Roger Sayle <roger@eyesopen.com>
13629 PR middle-end/26561
13630 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13631 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13633 2006-03-08 DJ Delorie <dj@redhat.com>
13635 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13636 (addpsi3): Expand to include memory operands. Remove
13637 reload-specific splits.
13638 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13639 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13640 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13641 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13642 (shift1_qi, shift1_hi, insv): New.
13643 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13644 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13645 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13647 * config/m32c/m32c-protos.h: Update as needed.
13648 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13649 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13650 Fail for unrecognized R* constraints.
13651 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13652 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13653 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13655 (m32c_init_libfuncs): New.
13656 (m32c_legitimate_address_p): Add debug wrapper.
13657 (m32c_rtx_costs): New.
13658 (m32c_address_cost): New.
13659 (conversions): Add 'B' prefix.
13660 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13661 operands, or word regnames for QI operands. 'B' prints bit
13663 (m32c_expand_setmemhi): New.
13664 (m32c_expand_movmemhi): New.
13665 (m32c_expand_movstr): New.
13666 (m32c_expand_cmpstr): New.
13667 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13668 (m32c_expand_neg_mulpsi3): Handle non-ints.
13669 (m32c_cmp_flg_0): New.
13670 (m32c_expand_movcc): New.
13671 (m32c_expand_insv): New.
13672 (m32c_scc_pattern): New.
13673 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13674 a0/a1 out of SIregs.
13675 (STORE_FLAG_VALUE): New.
13676 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13679 * config/m32c/mov.md: Make constraints more liberal.
13680 (zero_extendqihi2): Optimize r0/r1 case.
13681 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13682 * config/m32c/predicates.md (m32c_any_operand): New.
13683 (m32c_nonimmediate_operand): New.
13684 (m32c_hl_operand): New.
13685 (m32c_r3_operand): New.
13688 (memsym_operand): New.
13689 (memimmed_operand): New.
13690 (a_qi_operand): New.
13691 (m32c_eqne_operator): New.
13692 (m32c_1bit8_operand): New.
13693 (m32c_1bit16_operand): New.
13694 (m32c_1mask8_operand): New.
13695 (m32c_1mask16_operand): New.
13696 * config/m32c/blkmov.md: New file.
13697 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13699 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13701 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13702 unsigned to fix signed/unsigned comparison issue in
13703 DWARF2_FRAME_REG_OUT.
13704 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13705 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13707 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13708 of ptr into the ENABLE_CHECKING section.
13710 2006-03-08 Jeff Law <law@redhat.com>
13712 * tree-vrp.c (infer_value_range): Only count pointer uses
13713 and dereferences if -fdelete-null-pointer-checks is enabled.
13715 * tree-vrp.c (find_assert_locations): Infer value ranges for
13716 single use pointers, but do not create ASSERT_EXPRs for them.
13717 When a non-null range is inferred for a pointer, backwards
13718 propagate that range to other equivalent pointers through the
13721 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13724 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13725 language hook targets.
13726 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13727 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13728 if language hook targets were missing.
13730 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13732 * tree-ssa-opfinalize.h: Removed.
13733 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13735 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13736 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13737 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13738 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13739 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13740 finalize_ssa_v_must_def_ops): New.
13742 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13744 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13745 block as parameter.
13747 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13749 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13751 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13752 addresses with offsets; reorganize.
13754 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13755 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13756 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13758 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13761 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13763 2006-03-08 Ben Elliston <bje@au.ibm.com>
13765 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13767 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13770 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13773 2006-03-07 Richard Guenther <rguenther@suse.de>
13775 PR tree-optimization/26587
13776 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13778 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13780 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13782 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13784 * hooks.c (hook_bool_mode_rtx_true): New function.
13785 * hooks.h (hook_bool_mode_rtx_true): Declare.
13786 * toplev.c (compile_file): Call output_shared_constant_pool.
13787 * varasm.c (shared_constant_pool): New variable.
13788 (assemble_start_function, assemble_end_function): Remove arguments
13789 from call to output_constant_pool.
13790 (create_constant_pool): New function, split out from...
13791 (init_varasm_status): ...here.
13792 (force_const_mem): Choose between the shared and per-function constant
13793 pools. Set current_function_uses_const_pool when reusing old entries
13794 as well as when creating new ones.
13795 (mark_constant): Ignore data argument.
13796 (mark_constants): Remove pool argument.
13797 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13798 to decide whether the function uses a constant pool.
13799 (output_constant_pool_contents): New function, split out from...
13800 (output_constant_pool): ...here.
13801 (output_shared_constant_pool): New function.
13802 (init_varasm_once): Initialize shared_constant_pool.
13803 * output.h (output_constant_pool): Delete.
13804 (output_shared_constant_pool): Declare.
13805 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13806 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13808 2006-03-06 Nick Clifton <nickc@redhat.com>
13810 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13811 flag_strength_reduce.
13813 2006-03-06 Ben Elliston <bje@au.ibm.com>
13815 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13816 x86_64-*-linux* configurations.
13818 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13819 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13821 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13823 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13825 * basic-block.h: Remove the extern for
13826 rediscover_loops_after_threading.
13828 * cfgloop.c (cancel_loop): Make it static.
13829 * cfgloop.h: Remove the prototype for cancel_loop.
13831 * flow.c (recompute_reg_usage): Make it static.
13832 * rtl.h: Remove the prototype for recompute_reg_usage.
13834 * function.c (use_return_register): Make it static.
13835 * function.h: Remove the prototype.
13837 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13839 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13841 * recog.h: Remove the prototype for
13842 validate_change_maybe_volatile.
13844 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13846 * rtlanal.c (replace_reg): Remove.
13847 * rtl.h: Remove the prototype for replace_reg.
13849 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13851 * regclass.c (reg_scan_update): Remove.
13852 (reg_scan_mark_refs): Remove the last argument.
13853 * rtl.h: Remove the prototype for reg_scan_update.
13855 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13857 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13858 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13859 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13860 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13861 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13862 loop-invariant.c, omp-low.c, opts.c, passes.c,
13863 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13864 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13865 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13866 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13867 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13868 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13870 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13872 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13873 * dwarf2out.h: Remove the prototype for
13874 dwarf2out_add_library_unit_info.
13876 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13878 * tree.c (add_var_to_bind_expr): Remove.
13879 * tree.h: Remove the prototype for add_var_to_bind_expr.
13881 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13883 * regclass.c (n_non_fixed_regs): Remove.
13884 (init_reg_sets_1, globalize_reg): Remove all uses of
13886 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13888 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13890 * rtlanal.c (insns_safe_to_move_p): Remove.
13891 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13893 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13895 * expmed.c (expand_mult_add): Remove.
13896 * expr.h: Remove the prototype for expand_mult_add.
13898 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13900 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13901 and REG_SAVED_VAL_EXP constants.
13902 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13903 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13904 Handle regs stored by value.
13905 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13906 (execute_cfa_program): Handle DW_CFA_val_offset,
13907 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13908 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13909 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13910 (uw_install_context_1): Handle target regs stored by value.
13912 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13914 * tree-sra.c (tree_sra): Return todoflags;
13915 (generate_one_element): Set TODO_update_smt_usage if needed.
13916 (pass_sra): Remove TODO_update_smt_usage.
13917 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13919 (tree_ssa_forward_propagate_single_use_vars): Return
13920 TODO_update_smt_usage if we need to update SMT usage.
13921 (pass_forwprop): Remove TODO_update_smt_usage.
13923 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13925 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13926 (correct_use_link): Remove reference to get_stmt_operands.
13927 (update_stmt_operands): Likewise.
13928 (get_modify_expr_operands): New function factored out of
13929 parse_ssa_operands and get_expr_operands.
13930 Try to create V_MUST_DEFs for LHS by default.
13931 (get_expr_operands) <case MODIFY_EXPR>: Call
13932 get_modify_expr_operands.
13933 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13934 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13935 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13936 get_modify_expr_operands.
13938 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13940 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13941 * tree-flow.h: Remove the prototype for
13942 referenced_var_lookup_if_exists.
13944 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13946 PR rtl-optimization/26345
13948 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13950 2006-03-03 Roger Sayle <roger@eyesopen.com>
13952 PR tree-optimization/26524
13953 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13954 fold_convert to create a constant of the appropriate type.
13956 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13958 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13959 SYMBOL_REF_IN_BLOCK_P.
13960 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13961 of SYMBOL_FLAG_IN_BLOCK.
13962 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13963 instead of SYMBOL_REF_IN_BLOCK_P.
13964 * explow.c (use_anchored_address): Likewise.
13965 * rtl.c (rtx_size): Likewise.
13966 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13967 instead of SYMBOL_FLAG_IN_BLOCK.
13968 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13969 SYMBOL_REF_IN_BLOCK_P.
13970 (assemble_variable): Likewise.
13971 (output_constant_def_contents): Likewise.
13972 (output_constant_pool): Likewise.
13973 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13974 instead of SYMBOL_FLAG_IN_BLOCK.
13975 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13976 SYMBOL_REF_IN_BLOCK_P.
13977 (SYMBOL_REF_BLOCK): Likewise.
13978 (SYMBOL_REF_OFFSET): Likewise.
13979 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13980 SYMBOL_REF_IN_BLOCK_P.
13981 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13982 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13983 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13984 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13986 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13988 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13990 2006-03-02 Roger Sayle <roger@eyesopen.com>
13992 * simplify-rtx.c (simplify_unary_operation): When simplifying
13993 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13994 that we perform the right shift in the appropriate mode, and
13995 then extend or truncate the result to requested mode.
13997 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13999 * gengtype.c (main): Handle double_int type.
14000 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14001 * double-int.c: New file.
14002 * double-int.h: New file.
14003 * system.h: Include doubleint.h.
14004 * Makefile.in (SYSTEM_H): Include double-int.h.
14005 (double-int.o): Add.
14007 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14010 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14013 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14015 * tree-vrp.c (remove_range_assertions): Do not update statements
14018 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14020 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14022 * gcse.c (rest_of_handle_gcse): Ditto.
14023 * except.c (gate_handle_eh): Ditto.
14024 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14025 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14027 2006-03-02 Eric Christopher <echristo@apple.com>
14029 * config/i386/i386.c (machopic_output_stub): Add indirection to
14032 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14036 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14038 Sun Niagara specific optimizations.
14039 * config.gcc: Recognize niagara as target.
14040 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14041 (TARGET_CPU_niagara): Define.
14042 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14043 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14044 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14045 (ASM_CPU_SPEC): Likewise.
14046 (PROCESSOR_NIAGARA): New enum entry.
14047 (REGISTER_MOVE_COST): Handle Niagara.
14048 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14049 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14050 (sparc_override_options): Recognize "niagara", set appropriate
14051 default MASK_* values for it, and align functions to 32-bytes
14052 by default just like ULTRASPARC/ULTRASPARC3.
14053 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14054 (sparc64_initialize_trampoline): Likewise.
14055 (sparc_use_sched_lookahead): Use zero for niagara.
14056 (sparc_issue_rate): Use one for niagara.
14057 * config/sparc/niagara.md: New file.
14058 * config/sparc/sparc.md: Include it.
14059 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14060 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14061 when default cpu is niagara.
14062 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14063 (ASM_CPU_SPEC): Likewise.
14064 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14065 when default cpu is niagara.
14066 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14067 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14068 just like v9/ultrasparc/ultrasparc3.
14069 * doc/invoke.texi: Add documentation for "niagara" and improve
14070 existing documentation for ultrasparc variants.
14072 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14074 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14076 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14078 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14079 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14080 and say that only one is needed.
14081 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14082 * target.h (have_switchable_bss_sections): New hook.
14083 * explow.c (use_anchored_address): Check that the symbol is in a block.
14084 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14085 (bss_noswitch_section): New variables.
14086 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14087 (get_noswitch_section): New function.
14088 (get_block_for_section): Allow SECT to be null.
14089 (unlikely_text_section_p): Use SECTION_STYLE.
14090 (bss_initializer_p): New function.
14091 (get_variable_section): Move earlier in file. Take a new argument,
14092 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14093 Return one of the new *_sections in such cases.
14094 (get_block_for_decl): New function, extracting some logic from
14095 use_blocks_for_decl_p.
14096 (change_symbol_section): Remove in favor of...
14097 (change_symbol_block): ...this new function.
14098 (use_blocks_for_decl_p): Remove checks now performed by
14099 get_block_for_decl.
14100 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14101 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14102 (emit_local, emit_bss, emit_common): ...these new functions.
14103 Return true if the alignment was honored.
14104 (emit_tls_common): New function.
14105 (asm_emit_uninitialised): Delete.
14106 (assemble_variable_noswitch): New function, split out from...
14107 (assemble_variable): ...here. Don't make decisions about common
14108 variables here. Globalize all public decls that go into non-common
14109 sections. Check whether SYMBOL_REF_BLOCK is null.
14110 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14111 (output_constant_pool): Likewise.
14112 (init_varasm_once): Initialize the new section variables.
14113 (have_global_bss_p): New function.
14114 (categorize_decl_for_section): Use bss_initializer_p.
14115 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14116 (place_block_symbol): Assert that the symbol must be in a block.
14117 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14118 (TARGET_INITIALIZER): Include it.
14119 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14120 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14121 (SECTION_MACH_DEP): Bump by two.
14122 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14123 (unnamed_section): Mention SECTION_UNNAMED in comment.
14124 (named_section): Likewise SECTION_NAMED.
14125 (noswitch_section_callback): New type.
14126 (noswitch_section): New structure.
14127 (section): Add a noswitch_section alternative.
14128 (SECTION_STYLE): New macro.
14129 (tls_comm_section, comm_section, lcomm_section): Declare.
14130 (bss_noswitch_section, have_global_bss_p): Declare.
14131 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14132 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14134 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14135 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14138 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14140 * tree-vrp.c (execute_vrp): Return value.
14141 * regrename.c (rest_of_handle_regrename): Ditto.
14142 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14143 * tree-complex.c (tree_lower_complex): Ditto.
14144 (tree_lower_complex_O0): Ditto.
14145 * tracer.c (rest_of_handle_tracer): Ditto.
14146 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14147 * postreload.c (rest_of_handle_postreload): Ditto.
14148 * tree-tailcall.c (execute_tail_recursion): Ditto.
14149 (execute_tail_calls): Ditto.
14150 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14151 * tree.h (init_function_for_compilation): Ditto.
14152 * ipa-cp.c (ipcp_driver): Ditto.
14153 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14154 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14155 * final.c (compute_alignments): Ditto.
14156 (rest_of_handle_final): Ditto.
14157 (rest_of_handle_shorten_branches): Ditto.
14158 (rest_of_clean_state): Ditto.
14159 * omp-low.c (execute_expand_omp): Ditto.
14160 (execute_lower_omp): Ditto.
14161 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14162 * ipa-reference.c (static_execute): Ditto.
14163 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14164 * reorg.c (rest_of_handle_delay_slots): Ditto.
14165 (rest_of_handle_machine_reorg): Ditto.
14166 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14167 * flow.c (recompute_reg_usage): Ditto.
14168 (rest_of_handle_remove_death_notes): Ditto.
14169 (rest_of_handle_life): Ditto.
14170 (rest_of_handle_flow2): Ditto.
14171 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14172 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14173 (do_ssa_store_ccp): Ditto.
14174 (execute_fold_all_builtins): Ditto.
14175 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14176 * modulo-sched.c (rest_of_handle_sms): Ditto.
14177 * ipa-pure-const.c (static_execute): Ditto.
14178 * cse.c (rest_of_handle_cse): Ditto.
14179 (rest_of_handle_cse2): Ditto.
14180 * web.c (rest_of_handle_web): Ditto.
14181 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14182 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14183 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14184 * tree-nrv.c (tree_nrv): Ditto.
14185 (execute_return_slot_opt): Ditto.
14186 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14187 (create_structure_vars): Ditto.
14188 * loop-init.c (rtl_loop_init): Ditto.
14189 (rtl_loop_done): Ditto.
14190 (rtl_move_loop_invariants): Ditto.
14191 (rtl_unswitch): Ditto.
14192 (rtl_unroll_and_peel_loops): Ditto.
14193 (rtl_doloop): Ditto.
14194 * gimple-low.c (lower_function_body): Ditto.
14195 (mark_used_blocks): Ditto.
14196 * tree-ssa-sink.c (execute_sink_code): Ditto.
14197 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14198 (cgraph_early_inlining): Ditto.
14199 * global.c (rest_of_handle_global_alloc): Ditto.
14200 * jump.c (cleanup_barriers): Ditto.
14201 (purge_line_number_notes): Ditto.
14202 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14203 (rest_of_handle_if_after_reload): Ditto.
14204 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14205 (tree_ssa_loop_im): Ditto.
14206 (tree_ssa_loop_unswitch): Ditto.
14207 (tree_vectorize): Ditto.
14208 (tree_linear_transform): Ditto.
14209 (tree_ssa_loop_ivcanon): Ditto.
14210 (tree_ssa_empty_loop): Ditto.
14211 (tree_ssa_loop_bounds): Ditto.
14212 (tree_complete_unroll): Ditto.
14213 (tree_ssa_loop_prefetch): Ditto.
14214 (tree_ssa_loop_ivopts): Ditto.
14215 (tree_ssa_loop_done): Ditto.
14216 * predict.c (tree_estimate_probability): Ditto.
14217 * recog.c (split_all_insns_noflow): Ditto.
14218 (rest_of_handle_peephole2): Ditto.
14219 (rest_of_handle_split_all_insns): Ditto.
14220 * tree-eh.c (lower_eh_constructs): Ditto.
14221 * regmove.c (rest_of_handle_regmove): Ditto.
14222 (rest_of_handle_stack_adjustments): Ditto.
14223 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14224 * function.c (instantiate_virtual_regs): Ditto.
14225 (init_function_for_compilation): Ditto.
14226 (rest_of_handle_check_leaf_regs): Ditto.
14227 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14228 (rest_of_handle_gcse): Ditto.
14229 * ipa-type-escape.c (type_escape_execute): Ditto.
14230 * alias.c (rest_of_handle_cfg): Ditto.
14231 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14232 * profile.c (rest_of_handle_branch_prob): Ditto.
14233 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14234 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14235 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14236 * tree-dfa.c (find_referenced_vars): Ditto.
14237 * except.c (set_nothrow_function_flags): Ditto.
14238 (convert_to_eh_region_ranges): Ditto.
14239 (rest_of_handle_eh): Ditto.
14240 * emit-rtl.c (unshare_all_rtl): Ditto.
14241 (remove_unnecessary_notes): Ditto.
14242 * except.h (set_nothrow_function_flags): Ditto.
14243 (convert_to_eh_region_ranges): Ditto.
14244 * cfgexpand.c (tree_expand_cfg): Ditto.
14245 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14246 * tree-ssa-pre.c (do_pre): Ditto.
14247 (execute_fre): Ditto.
14248 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14249 (rest_of_handle_jump2): Ditto.
14250 * tree-sra.c (tree_sra): Ditto.
14251 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14252 (execute_mudflap_function_decls): Ditto.
14253 * tree-ssa-copy.c (do_copy_prop): Ditto.
14254 (do_store_copy_prop): Ditto.
14255 * ipa-prop.h (ipcp_driver): Ditto.
14256 * cfglayout.c (insn_locators_initialize): Ditto.
14257 * tree-ssa-forwprop.c
14258 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14259 * cfglayout.h (insn_locators_initialize): Ditto.
14260 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14261 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14262 (execute_late_warn_uninitialized): Ditto.
14263 * rtl.h (cleanup_barriers): Ditto.
14264 (split_all_insns_noflow): Ditto.
14265 (purge_line_number_notes): Ditto.
14266 (unshare_all_rtl): Ditto.
14267 (remove_unnecessary_notes): Ditto.
14268 (recompute_reg_usage): Ditto.
14269 (variable_tracking_main): Ditto.
14270 * integrate.c (emit_initial_value_sets): Ditto.
14271 * integrate.h (emit_initial_value_sets): Ditto.
14272 * tree-optimize.c (execute_free_datastructures): Ditto
14273 (execute_free_cfg_annotations): Ditto.
14274 (execute_fixup_cfg): Ditto.
14275 (execute_cleanup_cfg_pre_ipa): Ditto.
14276 (execute_cleanup_cfg_post_optimizing): Ditto.
14277 (execute_init_datastructures): Ditto.
14278 * tree-object-size.c (compute_object_sizes): Ditto.
14279 * combine.c (rest_of_handle_combine): Ditto.
14280 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14281 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14282 (rest_of_handle_reorder_blocks): Ditto.
14283 (rest_of_handle_partition_blocks): Ditto.
14284 * var-tracking.c (variable_tracking_main): Ditto.
14285 * tree-profile.c (tree_profiling): Ditto.
14286 * tree-vect-generic.c (expand_vector_operations): Ditto.
14287 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14288 * sched-rgn.c (rest_of_handle_sched): Ditto.
14289 (rest_of_handle_sched2): Ditto.
14290 * basic-block.h (free_bb_insn): Ditto.
14291 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14292 * tree-cfg.c (execute_build_cfg): Ditto.
14293 (remove_useless_stmts): Ditto.
14294 (split_critical_edges): Ditto.
14295 (execute_warn_function_return): Ditto.
14296 (execute_warn_function_noreturn): Ditto.
14297 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14298 * cfgrtl.c (free_bb_for_insn): Ditto.
14299 * passes.c (execute_one_pass): Run additional
14300 todos returned by execute function.
14301 * tree-pass.h (struct tree_opt_pass): Make execute
14304 2006-03-02 Richard Guenther <rguenther@suse.de>
14306 * tree-ssa-alias.c (find_used_portions): Consider taking
14307 the address as making the variable not write-only.
14309 2006-03-02 Nick Clifton <nickc@redhat.com>
14311 * config.gcc (default_use_cxa_atexit): Extend the description of
14312 this configure variable. Set its default value to "yes" for
14313 Linux, NetBSD and ELF targets on the assumption that they will
14314 use C libraries with the __cxa_atexit function.
14316 2006-03-02 Ben Elliston <bje@au.ibm.com>
14318 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14319 parameter as unused to suppress a build warning.
14321 2006-03-02 Ben Elliston <bje@au.ibm.com>
14323 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14326 2006-03-01 Roger Sayle <roger@eyesopen.com>
14329 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14330 declared name, the weak reference name, and the typeof name.
14331 (__gthrw): Avoid expanding the declared name suffix.
14332 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14334 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14336 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14338 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14339 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14340 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14341 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14342 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14343 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14344 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14345 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14346 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14347 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14348 (DW_END_default, DW_END_big, DW_END_little): New.
14349 (DW_END_lo_user, DW_END_hi_user): Define.
14350 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14351 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14352 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14355 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14357 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14359 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14361 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14363 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14365 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14366 to 'symbol_mem_tag'.
14368 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14371 2006-03-01 Roger Sayle <roger@eyesopen.com>
14373 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14375 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14378 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14379 MACHO_DYNAMIC_NO_PIC_P.
14380 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14382 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14385 * config/darwin-protos.h (darwin_asm_output_anchor):
14387 * config/darwin-sections.def (cstring_section):
14388 Add SECTION_MERGE to the flags.
14389 (literal4_section): Likewise.
14390 (literal8_section): Likewise.
14391 (objc_selector_refs_section): Likewise.
14392 (objc_cls_refs_section): Likewise.
14393 * config/darwin.c (darwin_asm_output_anchor): New
14395 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14397 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14399 Fix PR tree-optimization/26443
14400 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14401 to todo and PROP_tmt_usage to properties_destroyed.
14402 * tree-ssa-ccp.c (pass_ccp): Ditto.
14403 (pass_store_ccp): Ditto.
14404 * tree-ssa-dom.c (pass_dominator): Ditto.
14406 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14408 * tree-ssa-operands.c: Cleanup whitespace.
14409 (get_asm_expr_operands): Move before first invocation.
14410 (get_indirect_ref_operands): Likewise.
14411 (get_tmr_operands): Likewise.
14412 (get_call_expr_operands): Likewise.
14413 (append_def): Likewise.
14414 (append_use): Likewise.
14415 (append_v_may_def): Likewise.
14416 (append_v_must_def): Likewise.
14417 (add_call_clobber_ops): Likewise.
14418 (add_call_read_ops): Likewise.
14419 (add_stmt_operand): Likewise.
14420 (add_virtual_operand): Likewise.
14421 (build_ssa_operands): Likewise.
14423 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14425 PR middle-end/26022
14427 PR middle-end/24437
14428 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14429 with a call expr to ...
14430 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14432 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14434 * tree-vrp.c (extract_range_from_assert): Remove special
14435 handling for types with super-types.
14437 2006-03-01 Ben Elliston <bje@au.ibm.com>
14439 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14440 and powerpc64-*-linux* configurations.
14441 * config/t-dfprules: New file.
14443 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14444 Compile dfp-bit.c from the source directory using -DWIDTH and
14445 $DFP_CFLAGS to control the compilation of that file, rather than
14446 generating width-specific versions in the build directory.
14447 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14448 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14450 2006-02-28 Zack Weinberg <zackw@panix.com>
14452 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14455 2006-02-28 Eric Christopher <echristo@apple.com>
14457 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14458 Set up IN_LIBGCC definition of TARGET_64BIT.
14459 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14461 2006-02-28 Roger Sayle <roger@eyesopen.com>
14463 PR middle-end/14752
14464 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14465 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14466 cases via the construction of "expr != 0".
14468 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14470 * alias.c (alias_invariant, alias_invariant_size): Remove.
14471 (record_base_value): Remove.
14472 (memrefs_conflict_p): Don't look at alias_invariant.
14473 (end_alias_analysis): Don't free it.
14474 * alias.h (record_base_value): Remove prototype.
14476 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14477 Adam Nemet <anemet@caviumnetworks.com>
14479 * rtl.h (truncated_to_mode): Declare it.
14480 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14481 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14482 (RTL_HOOKS_INITIALIZER): Include it.
14483 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14484 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14485 reg_truncated_to_mode.
14486 * rtlanal.c (truncated_to_mode): Define it.
14487 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14489 2006-02-28 Jeff Law <law@redhat.com>
14491 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14492 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14493 the range allowed by TYPE_PRECISION.
14495 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14497 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14499 PR tree-optimization/26419
14500 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14503 2006-02-27 Zack Weinberg <zackw@panix.com>
14505 * doc/md.texi: Fix typo in previous change.
14507 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14511 2006-02-27 Zack Weinberg <zackw@panix.com>
14513 * rtl.def (define_constraint, define_register_constraint)
14514 (define_memory_constraint, define_address_constraint): New MD forms.
14515 * gensupport.c (process_rtx): Put define_constraint etc on the
14517 * genpreds.c (process_define_predicate): Adjust comment. Validate
14518 the name, and call validate_exp to validate the expression.
14519 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14520 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14521 all callers changed.
14522 (validate_exp, needs_variable, struct constraint_data)
14523 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14524 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14525 (const_dbl_constraints, constraint_max_namelen)
14526 (have_register_constraints, have_memory_constraints)
14527 (have_address_constraints, have_address_constraints)
14528 (have_extra_constraints, have_const_int_constraints)
14529 (have_const_dbl_constraints, mangle, add_constraint)
14530 (process_define_constraint, process_define_register_constraint)
14531 (write_enum_constraint_num, write_lookup_constraint)
14532 (write_insn_constraint_len, write_regclass_for_constraint)
14533 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14534 (write_insn_extra_memory_constraint)
14535 (write_insn_extra_address_constraint)
14536 (write_satisfies_constraint_fns): New.
14537 (write_tm_preds_h): If we have new-style constraint definitions,
14538 prototype the functions generated from them, and define the
14539 old constraint interface (still used by generic code) in terms of
14541 (write_insn_preds_c): If we have new-style constraint definitions,
14542 generate all relevant functions from those definitions.
14543 (main): Handle define_constraint etc.
14544 * genoutput.c (struct constraint_data, indep_constraints)
14545 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14546 (mdep_constraint_len): New data structures and functions, defined
14547 #ifdef USE_MD_CONSTRAINTS.
14548 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14549 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14550 use new logic to validate operand constraints against constraint
14552 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14554 * defaults.h: If none of the old-style constraint macros are
14555 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14556 old-style macros; and poison REG_CLASS_FROM_LETTER,
14557 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14559 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14560 * doc/md.texi: Document new constraint-definition mechanism and the
14561 C interface it provides. Remove references to old mechanism
14562 elsewhere in the document.
14563 (Machine Constraints): Use pathnames relative to gcc directory,
14564 i.e. config/ARCH/FILE. Change i386 section to refer to
14565 config/i386/predicates.md; update that section to match docstrings.
14566 * doc/tm.texi: Move all documentation of the old constraint-
14567 definition macros to their own section, clearly mark as obsolete.
14569 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14570 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14572 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14573 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14574 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14575 constraint strings.
14576 (splits and peepholes): Use satisfies_constraint_*.
14577 * config/i386/i386.c (memory_address_length)
14578 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14580 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14582 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14583 scalar operation to be put back into the loop.
14585 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14588 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14589 (extract_cie_info): Handle S flag in augmentation string.
14590 (execute_cfa_program): If context->signal_frame, execute also
14591 fs->pc == context->ra instructions.
14592 (uw_frame_state_for): If context->signal_frame, don't subtract one
14593 from context->ra to find FDE.
14594 (uw_update_context_1): Set context->signal_frame to
14596 (_Unwind_GetIPInfo): New function.
14597 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14598 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14600 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14601 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14602 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14603 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14604 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14605 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14606 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14607 x86_64_fallback_frame_state): Set fs->signal_frame.
14608 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14609 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14610 (frob_update_context): Likewise. Workaround missing S flag in
14611 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14612 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14613 Remove the psw_addr + 1 hack.
14615 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14617 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14618 with aggregates here.
14619 (find_func_aliases): Remove code for &<aggregate> from here.
14621 2006-02-26 Roger Sayle <roger@eyesopen.com>
14623 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14624 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14625 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14626 as (X & C) ne/eq 0.
14628 2006-02-26 Roger Sayle <roger@eyesopen.com>
14630 PR middle-end/19983
14631 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14633 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14635 * opts.c (decode_options): Do not handle flag_strength_reduce.
14636 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14637 and OPT_fstrength_reduce.
14638 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14639 flag_prefetch_loop_arrays for being nonzero.
14640 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14642 (fprefetch-loop-arrays-rtl): Removed.
14643 (flag_prefetch_loop_arrays): Do not specify the value.
14645 * doc/passes.texi: Update documentation of loop optimizer
14647 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14648 -frerun-loop-opt): Remove.
14650 2006-02-26 Richard Guenther <rguenther@suse.de>
14652 PR tree-optimization/26421
14653 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14654 in function calls that are ADDR_EXPRs as using the whole structure.
14656 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14658 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14659 * tree-pass.h (pass_loop_optimize): Remove.
14660 * passes.c (pass_loop_optimize): Never run it.
14661 * toplev.c (backend_init): Don't call init_loop.
14662 * opts.c (flag_loop_optimize_set): Remove.
14663 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14664 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14665 the old RTL loop optimizer when profiling enabled.
14666 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14667 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14668 pre-headers for the sake of the old RTL loop optimizer.
14669 * Makefile.in: Remove all references to loop.o.
14671 * doc/invoke.texi: Remove all references to -floop-optimize
14672 and -frerun-loop-opt.
14674 2006-02-26 Zack Weinberg <zackw@panix.com>
14676 * doc/md.texi (Machine Constraints): Refer to all files with paths
14677 relative to gcc directory (i.e. config/CPU/file). Add missing
14678 @table @code ... @end table to M32C subsection.
14680 2006-02-26 Roger Sayle <roger@eyesopen.com>
14682 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14684 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14686 2006-02-26 Roger Sayle <roger@eyesopen.com>
14687 James A. Morrison <phython@gcc.gnu.org>
14689 PR middle-end/21137
14690 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14691 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14692 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14693 signedness of the shift operation.
14695 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14697 PR tree-optimization/26359
14698 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14700 2006-02-25 Roger Sayle <roger@eyesopen.com>
14702 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14703 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14704 as X == 0, and some symmetry related transformations.
14705 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14707 2006-02-25 Roger Sayle <roger@eyesopen.com>
14709 PR middle-end/23673
14710 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14711 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14712 symmetry related transformations. Fold (X^C1) == C2 as
14715 2006-02-25 Juergen Weigert <jw@suse.de>
14716 Richard Guenther <rguenther@suse.de>
14718 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14720 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14722 * combine.c (gen_lowpart_or_truncate): Call
14723 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14725 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14727 * doc/invoke.texi: Move -fopenmp description to "Options for
14729 Remove reference to -lgomp.
14731 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14733 * doc/install.texi: Require GNU tar version 1.14.
14735 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14737 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14738 * doc/invoke.texi (C++ Dialect Options): Document
14739 -fno-use-cxa-get-exception-ptr.
14740 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14741 * configure: Regenerate.
14742 * c.opt (fuse-cxa-get-exception-ptr): New.
14743 * c-opts.c (c_common_handle_option): Handle
14744 OPT_fuse_cxa_get_exception_ptr.
14745 * c-common.c (flag_use_cxa_atexit): Update documentation.
14746 (flag_use_cxa_get_exception_ptr): New.
14747 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14748 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14750 (C_COMMON_OVERRIDE_OPTIONS): New.
14752 2006-02-24 Roger Sayle <roger@eyesopen.com>
14754 PR middle-end/24952
14755 * combine.c (try_combine): Explicitly check whether GET_CODE is
14756 a SET or a CLOBBER, instead on checking that it isn't a USE.
14758 2006-02-24 Roger Sayle <roger@eyesopen.com>
14760 * fold-const.c (fold_comparison): New subroutine of fold_binary
14761 containing transformations common to both the equality and
14762 ordering relational operators, factored out of fold_binary.
14763 (fold_binary): Separate out the equality operators (EQ_EXPR
14764 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14765 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14766 transformations common to both.
14767 (fold_div_compare): Fix latent bugs in the previously unreachable
14768 LT_EXPR and GE_EXPR cases.
14770 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14772 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14773 decl libname for clog to __clog on AIX.
14775 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14777 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14780 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14781 output traceback table for thunks. Localise rs6000_stack_info call.
14783 2006-02-23 Roger Sayle <roger@eyesopen.com>
14784 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14786 * gthr-posix.h (__gthrw): Fix typo in comment.
14788 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14790 * doc/cpp.texi (Character sets): Document that we do support
14791 input files to be in any character set.
14793 2006-02-23 Jeff Law <law@redhat.com>
14795 * tree.h (PHI_ARG_NONZERO): Remove.
14796 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14797 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14798 node to the new node.
14800 PR tree-optimization/26425
14801 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14802 min/max, then assume its varying.
14804 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14806 PR rtl-optimization/26316
14807 * rtlanal.c (enum may_trap_p_flags): New.
14808 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14809 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14810 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14811 (may_trap_after_code_motion_p): New function.
14812 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14813 (find_invariant_insn): Use may_trap_after_code_motion_p.
14814 * rtl.h (may_trap_after_code_motion_p): Declare.
14816 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14818 * emit-rtl.c (immed_double_const): Cleanup.
14820 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14822 Fix PR tree-optimization/26376
14823 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14826 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14828 PR middle-end/26412
14829 * gimplify.c (omp_add_variable): Guard variable size decl test with
14830 DECL_SIZE (decl) check.
14832 2006-02-23 Richard Guenther <rguenther@suse.de>
14834 PR middle-end/26439
14835 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14836 like aggregate types.
14838 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14840 * configure.ac: Add --with{,out}-long-double-128 configure option.
14841 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14842 * configure: Rebuilt.
14843 * config.in: Rebuilt.
14844 * doc/install.texi (Options specification): Document
14845 --with-long-double-128.
14847 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14848 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14849 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14850 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14852 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14854 * config/s390/s390.c (override_options): Handle
14855 TARGET_DEFAULT_LONG_DOUBLE_128.
14857 * config/alpha/alpha.c (override_options): Handle
14858 TARGET_DEFAULT_LONG_DOUBLE_128.
14860 * config/sparc/sparc.c (sparc_override_options): Handle
14861 TARGET_DEFAULT_LONG_DOUBLE_128.
14863 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14865 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14866 (real-install-headers-tar, real-install-headers-cpio)
14867 (real-install-headers-cp): New targets.
14869 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14871 * tree.h (variable_section): Delete.
14872 * varasm.c (variable_section): Delete.
14874 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14876 * install.texi: Add notes on install.texi2html.
14877 (Building in parallel): Do not use footnotes.
14879 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14882 * doc/install.texi (Configuration): Document --disable-libgomp.
14884 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14886 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14888 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14890 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14891 (vec_extractv2df_0_sse): New.
14893 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14895 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14896 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14897 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14898 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14899 to the result of the expression.
14900 (def_cfa_1): Adjust.
14901 (frame_pointer_cfa_offset): Rename to...
14902 (frame_pointer_fb_offset): ... this. Adjust all uses.
14903 (convert_cfa_to_loc_list): Rename to...
14904 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14905 Pass it on to build_cfa_loc.
14906 (compute_frame_pointer_to_cfa_displacement): Rename to...
14907 (compute_frame_pointer_to_fb_displacement): ... this. New
14908 offset parameter. Use it in computation.
14909 (gen_subprogram_die): Compute cfa_fb_offset with the new
14910 macro, and use it to compute the fb loc list and the
14913 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14915 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14916 replaced with register_operand.
14917 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14918 non-DREG is expensive.
14919 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14920 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14923 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14925 * doc/install.texi2html: Use set -e.
14927 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14929 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14930 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14931 * doc/invoke.texi (-fshared-data): Delete.
14932 * common.opt (fshared-data): Delete.
14933 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14934 (assemble_static_space): Remove #if 0 code.
14935 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14936 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14937 * config/cris/cris.h: Remove FIXME.
14939 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14941 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14944 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14946 PR middle-end/26379
14947 * combine.c (simplify_shift_const_1): Disable nested shifts
14948 optimization for vector shifts.
14950 2006-02-20 Roger Sayle <roger@eyesopen.com>
14952 PR tree-optimization/26361
14953 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14954 of unsigned integer types.
14956 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14958 * tree-chrec.c (eq_evolutions_p): New.
14959 * tree-chrec.h (eq_evolutions_p): Declared.
14960 * tree-data-ref.c: Fix formatting.
14961 (datadep_stats, dependence_stats): New.
14963 (print_direction_vector): New.
14964 (dump_data_dependence_relation): Use print_direction_vector.
14965 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14966 (compute_subscript_distance): Static.
14967 (initialize_data_dependence_relation): Static. Get the number
14968 of loops surrounding the references from the callers, and initialize
14969 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14970 base_object_differ_p analyzers.
14971 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14972 compute_overlap_steps_for_affine_1_2,
14973 analyze_subscript_affine_affine): Count the classified dependences.
14974 Print a message when a test failed.
14975 (can_use_analyze_subscript_affine_affine): New.
14976 (analyze_siv_subscript): Compute the data dependences on symbolic
14977 scevs that verify can_use_analyze_subscript_affine_affine.
14978 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14979 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14980 Handle symbolic scevs.
14981 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14983 (subscript_dependence_tester): Moved...
14984 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14985 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14986 DDR_SIZE_VECT instead of getting it in parameter.
14987 (subscript_dependence_tester): ... here. Take as a parameter
14988 loop_nest_depth. Call build_classic_dist_vector and
14989 build_classic_dir_vector.
14990 (compute_affine_dependence): Update subscript_dependence_tester
14991 parameters. Update datadep_stats counters. Call
14992 compute_subscript_distance.
14993 (compute_self_dependence): Save the dist and dir vectors. Call
14994 compute_subscript_distance.
14995 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14996 (compute_all_dependences): Reorder parameters as they were before
14997 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14998 compute_subscript_distance. Update the use of
14999 compute_affine_dependence and initialize_data_dependence_relation.
15000 (find_data_references_in_loop): Handle COMPONENT_REF.
15001 (compute_data_dependences_for_loop): Initialize dependence_stats.
15002 Don't call build_classic_dist_vector and build_classic_dir_vector.
15003 Update the parameters of initialize_data_dependence_relation and
15004 compute_all_dependences. Print the statistics from datadep_stats.
15005 (analyze_all_data_dependences): Static. Not used until the pass for
15006 checking the data dependences is contributed.
15007 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15008 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15009 (initialize_data_dependence_relation, compute_affine_dependence,
15010 analyze_all_data_dependences, compute_subscript_distance): Removed.
15011 (print_direction_vector): New.
15012 * lambda.h (gcd): ... here.
15013 (lambda_vector_gcd): Moved here from gcd_vector.
15014 * lambda-code.c (gcd, gcd_vector): Removed.
15015 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15016 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15018 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15020 * ipa-type-escape.c: Tidy some comments and white space.
15021 * tree-ssa-operands.c: Likewise.
15023 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15026 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15027 (dump_decl_name): Do not walk the decl tree chains.
15028 * tree-pass.h (TDF_CHAIN): Remove.
15030 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15032 * Makefile.in (C): Remove
15034 (.PHONY): Remove C and PROTO
15036 2006-02-20 Roger Sayle <roger@eyesopen.com>
15038 PR middle-end/26236
15039 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15040 deprecated CHAR_TYPE tree code.
15042 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15044 * configure.ac (target_list): Add install-info, dvi, html.
15045 * configure: Regenerate.
15047 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15048 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15049 treelang/Make-lang.in: Do not use double-colon rules.
15051 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15053 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15054 (TMT_USED_ALONE): New macro.
15055 * tree-pass.h (PROP_tmt_usage): New property.
15056 (TODO_update_tmt_usage): New todo.
15057 * tree-ssa-alias.c (updating_used_alone): New variable.
15058 (recalculate_used_alone): New function.
15059 (compute_may_aliases): Set updating_used_alone, call
15060 recalculate_used_alone.
15061 * tree-sra.c (pass_sra): Note that this pass destroys
15062 PROP_tmt_usage, and add TODO_update_tmt_usage.
15063 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15064 * tree-flow.h (updating_used_alone): Prototype.
15065 (recalculate_used_alone): Ditto.
15066 * passes.c (execute_todo): Add code to set updating_used_alone,
15067 and call recalculate.
15068 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15069 for clobber if used alone, and add assert to verify used_alone
15072 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15074 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15075 for non tls symbols added.
15076 (legitimize_address): Do nothing for PLUS expressions if one of the
15077 addends is a tls symbol reference.
15079 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15083 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15085 * Makefile.in (BOOTSTRAPPING): New.
15086 (quickstrap): New definition if BOOTSTRAPPING=yes.
15088 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15089 * configure.ac: Substitute all_selected_languages with the languages
15090 that were configured. For all the other variables except
15091 lang_specs_files, include all the languages in the tree.
15092 * configure: Regenerate.
15094 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15095 if there is one. Run the commands to run fixincludes in the same
15098 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15099 * doc/install.texi: Document exact conventions for searching target tools.
15100 Document --with-build-time-tools. Document toplevel bootstrap. Document
15101 something more about building an Ada cross-compiler. Don't list GNU Make
15102 requirements which affect all platforms.
15104 2006-02-19 Roger Sayle <roger@eyesopen.com>
15106 PR middle-end/19543
15107 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15108 only equivalent if the have both the same mode and precision.
15110 2006-02-20 Ben Elliston <bje@au.ibm.com>
15112 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15114 2006-02-19 Roger Sayle <roger@eyesopen.com>
15115 Steven Bosscher <stevenb.gcc@gmail.com>
15117 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15118 constant pool references to identify stack mode constants.
15119 * rtlanal.c (constant_pool_constant_p): New predicate to check
15120 whether operand is a floating point constant in the pool.
15121 * rtl.h (constant_pool_constant_p): Prototype here.
15122 * loop.c (scan_loop): Avoid hoisting constants from the constant
15123 pool on STACK_REGS targets.
15124 (load_mems): Likewise.
15125 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15126 loads into x87 registers expensive in terms of register pressure.
15128 2006-02-19 Roger Sayle <roger@eyesopen.com>
15130 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15131 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15133 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15135 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15136 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15138 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15140 * doc/invoke.texi: Document -fipa-pta.
15141 * common.opt: Add ipa-pta option.
15142 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15143 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15144 (do_ds_constraint): Ditto.
15145 (get_constraint_for): Only add to referenced_vars if
15146 referenced_vars exists.
15147 (insert_into_field_list): Rewrite to do this unsorted.
15148 (insert_into_field_list_sorted): Rename old insert_into_field_list
15150 (create_function_info_for): Use insert_into_field_list_sorted.
15151 (create_variable_info_for): Rewrite so it uses unsorted version,
15152 since the field list is sorted.
15153 (intra_create_variable_infos): Only add to referenced_vars if
15154 referenced_vars exists.
15155 (ipa_pta_execute): Init heapvars, and delete when done.
15156 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15158 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15160 * doc/install.texi: Add missing `@samp'.
15162 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15164 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15167 2006-02-18 Mark Wielaard <mark@klomp.org>
15169 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15170 who added new 4.1 features, bug fixes and integration support.
15172 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15175 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15176 MEM for ABI_V4 pic.
15178 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15180 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15181 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15182 (copy_insn_1): Likewise. Don't copy each field individually.
15184 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15186 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15187 * rtl.c (rtx_size): Rename variable to...
15188 (rtx_code_size): ...this.
15189 (rtx_size): New function.
15190 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15191 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15193 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15194 * rtl.h (rtx_code_size): New variable.
15195 (rtx_size): Change from a variable to a function.
15196 (RTX_SIZE): Rename to...
15197 (RTX_CODE_SIZE): ...this.
15200 PR tree-optimization/17106
15201 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15202 (Anchored Addresses): New section.
15203 * doc/invoke.texi (-fsection-anchors): Document.
15204 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15205 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15206 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15207 * hooks.c (hook_bool_mode_rtx_false): New function.
15208 * hooks.h (hook_bool_mode_rtx_false): Declare.
15209 * gengtype.c (create_optional_field): New function.
15210 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15211 SYMBOL_REF_IN_BLOCK_P is true.
15212 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15213 (min_anchor_offset, max_anchor_offset): Likewise.
15214 (use_anchors_for_symbol_p): New hook.
15215 * toplev.c (compile_file): Call output_object_blocks.
15216 (target_supports_section_anchors_p): New function.
15217 (process_options): Check that -fsection-anchors is only used on
15218 targets that support it and when -funit-at-a-time is in effect.
15219 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15220 if the decl doesn't have one.
15221 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15222 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15223 of force_const_mem through use_anchored_address.
15224 (expand_expr_constant): New function.
15225 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15226 calling expand_expr for INDIRECT_REF.
15227 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15228 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15229 * expr.h (use_anchored_address): Declare.
15230 * loop-unroll.c: Don't declare rtx vectors here.
15231 * explow.c: Include output.h.
15232 (validize_mem): Call use_anchored_address.
15233 (use_anchored_address): New function.
15234 * common.opt (-fsection-anchors): New switch.
15235 * varasm.c (object_block_htab, anchor_labelno): New variables.
15236 (hash_section, object_block_entry_eq, object_block_entry_hash)
15237 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15238 (use_blocks_for_decl_p, change_symbol_section): New functions.
15239 (get_variable_section): New function, split out from assemble_variable.
15240 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15241 use_blocks_for_decl_p say so. Use change_symbol_section if the
15242 symbol has already been created.
15243 (assemble_variable_contents): New function, split out from...
15244 (assemble_variable): ...here. Don't output any code for
15245 block symbols; just pass them to place_block_symbol.
15246 Use get_variable_section and assemble_variable_contents.
15247 (get_constant_alignment, get_constant_section, get_constant_size): New
15248 functions, split from output_constant_def_contents.
15249 (build_constant_desc): Create a block symbol if use_object_blocks_p
15250 says so. Or into SYMBOL_REF_FLAGS.
15251 (assemble_constant_contents): New function, split from...
15252 (output_constant_def_contents): ...here. Don't output any code
15253 for block symbols; just pass them to place_section_symbol.
15254 Use get_constant_section and get_constant_alignment.
15255 (force_const_mem): Create a block symbol if use_object_blocks_p and
15256 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15257 (output_constant_pool_1): Add an explicit alignment argument.
15258 Don't switch sections here.
15259 (output_constant_pool): Adjust call to output_constant_pool_1.
15260 Switch sections here instead. Don't output anything for block symbols;
15261 just pass them to place_block_symbol.
15262 (init_varasm_once): Initialize object_block_htab.
15263 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15264 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15265 (place_block_symbol, get_section_anchor, output_object_block)
15266 (output_object_block_htab, output_object_blocks): New functions.
15267 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15268 (TARGET_ASM_OUT): Include it.
15269 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15270 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15271 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15272 (TARGET_INITIALIZER): Include them.
15273 * rtl.c (rtl_check_failed_block_symbol): New function.
15274 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15275 (block_symbol, object_block): New structures.
15276 (rtx_def): Add a block_symbol field to the union.
15277 (BLOCK_SYMBOL_CHECK): New macro.
15278 (rtl_check_failed_block_symbol): Declare.
15279 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15280 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15281 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15282 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15283 * output.h (output_section_symbols): Declare.
15284 (object_block): Name structure.
15285 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15286 (default_use_anchors_for_symbol_p): Declare.
15287 * Makefile.in (RTL_BASE_H): Add vec.h.
15288 (explow.o): Depend on output.h.
15289 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15290 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15291 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15292 (rs6000_use_blocks_for_constant_p): New function.
15294 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15296 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15298 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15301 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15304 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15306 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15310 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15312 PR middle-end/26334
15313 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15314 instead of DECL_REGISTER.
15316 2006-02-18 Olivier Hainque <hainque@adacore.com>
15319 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15321 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15324 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15325 * opth-gen.awk: Handle Var and InverseMask together.
15326 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15327 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15328 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15329 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15331 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15332 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15333 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15334 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15335 LINUX_DYNAMIC_LINKER): Define.
15336 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15337 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15339 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15340 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15341 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15343 (TARGET_C99_FUNCTIONS): Don't define.
15344 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15345 GLIBC_DYNAMIC_LINKER.
15346 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15347 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15348 GLIBC_DYNAMIC_LINKER64): Define.
15349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15350 LINUX_DYNAMIC_LINKER64.
15351 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15352 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15353 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15354 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15355 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15357 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15358 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15359 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15361 and LINUX_DYNAMIC_LINKER32.
15362 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15363 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15364 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15366 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15368 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15369 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15370 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15371 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15372 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15373 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15374 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15375 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15376 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15377 LINUX_DYNAMIC_LINKER): Define.
15378 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15379 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15380 GLIBC_DYNAMIC_LINKER64): Define.
15381 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15382 LINUX_DYNAMIC_LINKER64.
15383 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15384 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15385 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15386 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15387 LINUX_DYNAMIC_LINKER): Define.
15388 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15389 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15390 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15391 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15392 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15393 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15394 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15395 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15396 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15397 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15398 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15399 * doc/invoke.texi (-muclibc): Remove caveat about supported
15402 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15404 * doc/cpp.texi (__TIMESTAMP__): Document.
15406 2006-02-17 Roger Sayle <roger@eyesopen.com>
15408 PR middle-end/25600
15409 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15410 C is one less than the width of X (and related transformations).
15411 * simplify-rtx.c (simplify_unary_operation_1): Transform
15412 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15413 depending on STORE_FLAG_VALUE, were C is one less then the
15416 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15418 Fix PR tree-optimization/26341
15419 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15420 about NAME_MEMORY_TAG's.
15422 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15425 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15426 with hardware float support, and software float support. Add fcpy
15427 alternative to hardware patterns. Add alternatives to copy between
15428 general and floating-point registers to the 32-bit pattern.
15429 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15430 secondary reload to load a QI or HI mode constant into a floating
15432 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15433 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15435 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15438 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15440 (load_macho_picbase_di): Likewise.
15442 2006-02-16 Jeff Law <law@redhat.com>
15444 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15445 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15446 (ssa_name_nonzero_p): Likewise.
15447 (get_value_range): Return NULL if VRP is not running.
15448 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15449 VRP routines do not discover a range.
15450 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15451 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15452 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15453 (tree_expr_nonnegative_p): Similarly.
15454 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15455 (restore_nonzero_vars_to_original_value): Remove.
15456 (unsafe_associative_fp_binop): Remove.
15457 (tree_ssa_dominator_optimize): Remove initialization and
15458 finalization of nonzero_vars and nonzero_vars_stack.
15459 (dom_opt_initialize_block): No longer push marker on
15460 nonzero_vars_stack.
15461 (dom_opt_finalize_block): No longer call
15462 restore_nonzero_vars_to_original_value.
15463 (record_equivalences_from_phis): No longer look for
15464 nonzero PHI arguments.
15465 (cprop_into_successor_phis): No longer propagate nonzero
15466 property into PHI arguments. Lose unused argument. Caller
15468 (record_equivalences_from_stmt): No longer record nonzero
15469 values for SSA_NAMEs.
15470 (lookup_avail_expr): No longer use nonzero_vars.
15472 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15473 for sizetype when sizetype is unsigned.
15475 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15477 PR rtl-optimization/25603
15478 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15479 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15480 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15481 with new meaning of SETS.
15483 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15488 * config/linux.opt: New file.
15489 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15490 LINUX_DYNAMIC_LINKER): Define.
15491 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15492 * config.gcc (*-*-linux*): Define extra_options.
15493 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15494 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15495 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15496 GLIBC_DYNAMIC_LINKER.
15497 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15498 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15499 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15501 * doc/invoke.texi (GNU/Linux Options): New section.
15503 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15505 * config/sparc/sparc.md (setjmp): Rewrite.
15506 (setjmp_32): Delete.
15507 (setjmp_64): Likewise.
15509 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15511 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15514 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15516 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15519 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15521 PR rtl-optimization/26296
15522 * Makefile.in (loop-invariant.c): Add except.h dependency.
15523 * loop-invariant.c: Include except.h.
15524 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15526 2005-02-16 Paul Brook <paul@codesourcery.com>
15528 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15531 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15533 PR rtl-optimization/25636
15534 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15535 when deciding whether an insn is an initializing insn.
15537 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15539 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15540 (tree_code_size): Ditto.
15541 * tree.h (struct tree_memory_tag): Remove parent_var.
15542 (struct tree_struct_field_tag): New.
15545 (union tree_node): Add sft member.
15546 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15548 (create_sft): Add size and offset argument, set SFT_OFFSET and
15550 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15551 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15552 * tree-flow-inline.h (get_subvar_at): Update for
15553 SFT_OFFSET/SFT_SIZE.
15554 (var_can_have_subvars): Ditto.
15555 (overlap_subvar): Ditto.
15556 * print-tree.c (print_node): Print out interesting things for
15558 * tree-flow.h (struct subvar): Remove offset and size members.
15559 * tree-ssa-operands.c (get_expr_operands): Update for
15560 get_indirect_ref_operands changes.
15561 (get_indirect_ref_operands): Call add_virtual_operand instead of
15562 add_stmt_operand. Only recurse on base var if requested.
15563 (access_can_touch_variable): New function.
15564 (add_stmt_operand): Split virtual operand handling into ...
15565 (add_virtual_operand): Here. Add offset, size, and for_clobber
15566 arguments. Prune alias sets.
15567 (add_call_clobber_ops): Call add_virtual_operand.
15569 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15571 PR middle-end/26300
15572 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15574 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15575 than TREE_CODE as index into omp_clause_num_ops array.
15577 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15579 PR rtl-optimization/26184
15580 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15582 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15583 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15584 must_precede, must_follow and tobe_scheduled.
15587 * opts.c (common_handle_option): Free new_option pointer.
15588 * df-core.c (df_analyze): Free postorder pointer.
15590 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15592 * Makefile.in: Fix the examples about the use of stamps
15594 2006-02-15 Michael Matz <matz@suse.de>
15596 PR middle-end/22275
15598 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15599 influenced by maximum_field_alignment or DECL_PACKED.
15600 (update_alignment_for_field): Ditto.
15601 (place_field): Ditto.
15602 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15605 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15607 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15608 (debug_flow_info): Pass it.
15609 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15610 * bb-reorder.c (reorder_basic_blocks): Likewise.
15611 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15612 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15613 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15614 * gcse.c (gcse_main, bypass_jumps): Likewise.
15615 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15616 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15617 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15618 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15619 * rtl.h (dump_flow_info): Adjust prototype.
15620 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15621 * var-tracking.c (variable_tracking_main): Likewise.
15622 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15623 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15626 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15628 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15631 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15633 PR tree-optimization/26209
15634 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15635 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15637 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15639 2006-02-14 Roger Sayle <roger@eyesopen.com>
15641 PR middle-end/23670
15642 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15643 (X,Y) and the corresponding symmetry related transformations.
15644 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15645 (X,Y) and its symmetry related transformations.
15647 2006-02-14 Roger Sayle <roger@eyesopen.com>
15649 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15652 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15654 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15656 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15659 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15660 support COMDAT group.
15661 * configure: Regenerate.
15663 2006-02-14 Roger Sayle <roger@eyesopen.com>
15665 PR middle-end/26279
15666 PR middle-end/26280
15667 PR middle-end/26283
15668 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15670 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15672 Fix PR tree-optimization/26260
15674 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15676 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15677 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15678 * tree-ssa-structalias.c (create_variable_info_for): Use
15679 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15681 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15683 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15685 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15686 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15687 of the ending condition.
15688 * tree-ssa-loop-manip.c: Include params.h.
15689 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15690 tree_unroll_loop): New functions.
15691 * tree-pass.h (pass_loop_prefetch): Declare.
15692 * loop.c (rest_of_handle_loop_optimize): Test for
15693 -fprefetch-loop-arrays-rtl.
15694 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15695 * timevar.def (TV_TREE_PREFETCH): New timevar.
15696 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15697 pass_loop_prefetch): New.
15698 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15699 (cleanup_tree_cfg_loop): Call scev_reset.
15700 * common.opt (fprefetch-loop-arrays-rtl): Add.
15701 * tree-ssa-loop-prefetch.c: New file.
15702 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15703 (new_temp_expr_table): Initialize expr_vars.
15704 (free_temp_expr_table): Cleanup expr_vars.
15705 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15706 expressions from being merged into one.
15707 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15708 (struct tree_niter_desc): Add control, bound and cmp fields.
15709 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15711 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15712 (tree-cfgcleanup.o): Add SCEV_H dependency.
15713 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15714 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15716 2006-02-14 Richard Guenther <rguenther@suse.de>
15718 PR tree-optimization/26258
15719 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15720 in PHI argument processing.
15722 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15724 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15725 new expression in the requested machine mode.
15727 2006-02-13 Roger Sayle <roger@eyesopen.com>
15729 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15730 directly, instead let do_compare_rtx_and_jump handle this for us.
15731 * expr.c (expand_expr_real_1): Likewise.
15732 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15733 before do_jump_by_parts_greater.
15734 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15735 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15737 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15739 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15741 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15743 PR rtl-optimization/26235
15744 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15745 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15748 2006-02-13 Jeff Law <law@redhat.com>
15750 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15753 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15755 PR middle-end/26092
15756 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15757 twice if decl is a builtin. When trying again, call get_callee_fndecl
15758 first to verify it is still a builtin.
15760 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15762 * dwarf2out.c (base_type_die): Don't add AT_name here.
15763 (subrange_type_die): Don't add AT_name here.
15764 (modified_type_die): Rearrange code flow. Do add AT_name here.
15766 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15768 PR rtl-optimization/26247
15769 PR rtl-optimization/26248
15770 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15772 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15774 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15775 * config/fixtfdi.c: Likewise.
15776 * config/fixunstfdi.c: Likewise.
15777 * config/floatditf.c: Likewise.
15779 2006-02-13 Roger Sayle <roger@eyesopen.com>
15781 PR middle-end/24427
15782 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15783 into (X,C2) if C1 is a subset of the bits of C2. Transform
15784 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15786 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15788 2006-02-13 Josh Conner <jconner@apple.com>
15791 * varasm.c (function_section): Check for section name before
15792 calling select_section on targets that define
15793 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15794 unlikely_text_section instead of hot_function_section if
15795 first_function_block_is_cold.
15797 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15799 PR middle-end/25335
15800 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15802 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15804 PR rtl-optimization/26222
15805 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15806 after tree->rtl expansion.
15807 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15808 before passing it to emit_move_insn.
15810 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15812 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15814 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15815 Clarify documentation.
15816 * c-common.h (warn_write_strings): Remove.
15817 * c-common.c (warn_write_strings): Likewise.
15818 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15821 2006-02-12 Roger Sayle <roger@eyesopen.com>
15823 PR middle-end/25724
15824 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15825 (do_jump_parts_zero_rtx): New function renamed from
15826 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15827 (do_jump_parts_equality_rtx): New function split out from
15828 do_jump_parts_equality. Old implementation renamed as above.
15829 Call do_jump_parts_zero_rtx if either operand is zero.
15830 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15831 do all of the heavy lifting.
15832 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15833 calling either do_jump_by_parts_greater_rtx or
15834 do_jump_by_parts_equality_rtx.
15835 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15836 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15837 moved to do_compare_rtx_and_jump, call it directly.
15838 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15839 mode argument. Call do_compare_rtx_and_jump.
15840 (emit_case_nodes): Update calls to do_jump_if_equal.
15842 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15844 PR rtl-optimization/26225
15845 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15847 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15849 PR rtl-optimization/26232
15850 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15852 2006-02-11 Jason Merrill <jason@redhat.com>
15855 * tree-inline.c (declare_return_variable): Just don't use the
15856 modify target if it's a gimple complex reg and the return slot
15859 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15861 * doc/contrib.texi: Update my entry.
15863 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15865 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15867 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15869 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15872 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15874 * doc/invoke.texi (-floop-optimize2): Removed.
15875 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15876 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15877 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15878 * common.opt (floop-optimize2): Removed.
15879 (fmove-loop-invariants): Enabled by default.
15881 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15883 * tree-if-conv.c (combine_blocks): Free the result of
15884 get_loop_exit_edges.
15886 2006-02-10 Jeff Law <law@redhat.com>
15888 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15890 PR tree-optimization/26213
15891 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15892 loop trying to follow SSA_NAME_VALUE chains.
15894 2006-02-10 Richard Guenther <rguenther@suse.de>
15896 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15897 deal with structures that end in implicitly variable sized arrays.
15899 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15901 PR rtl-optimization/24762
15902 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15905 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15907 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15908 (struct ivopts_data): Add regs_used field.
15909 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15910 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15911 instead of loop_data->regs_used;
15912 (free_loop_data): Do not free aux fields for loops.
15913 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15914 and tree_ssa_iv_optimize_finalize.
15916 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15918 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15920 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15923 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15924 computing the effective result type.
15926 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15928 PR inline-asm/16194
15929 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15930 (tree_overlaps_hard_reg_set): Declare.
15931 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15932 type and signature to match function type expected by walk_tree.
15933 (tree_overlaps_hard_reg_set): New function.
15934 (decl_conflicts_with_clobbers_p): Rename to:
15935 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15936 Use tree_overlaps_hard_reg_set. Changed caller.
15937 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15938 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15939 * cris.c (cris_md_asm_clobbers): Likewise.
15941 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15943 * reload1.c (emit_input_reload_insns): Delete code that tries to
15944 inherit using find_equiv_reg.
15946 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15948 * c-common.h (flag_const_strings): Don't declare.
15949 * c-common.c (flag_const_strings): Remove.
15950 * c.opt (fconst_strings): Remove.
15951 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15952 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15953 (c_common_init_options): Don't set flag_const_strings.
15954 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15956 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15958 * arm.md (tlobits_cbranch): New pattern.
15959 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15960 testing a single bit.
15962 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15965 * tree-ssa-pre.c (create_component_ref_by_pieces):
15966 Handle RETURN_DECL like VAR_DECL.
15968 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15970 PR middle-end/26134
15971 * fold-const.c (fold_indirect_ref_1): Fold
15972 "*(foo *)&complexfoo" to "__real__ complexfoo"
15973 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15975 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15977 * tree-flow-inline.h (var_can_have_subvars):
15978 Volatile variables should not have subvariables.
15980 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15983 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15984 multiplying unsigned values.
15987 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15989 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15991 2006-02-08 Jason Merrill <jason@redhat.com>
15994 * tree.def: Elaborate on difference from MODIFY_EXPR.
15995 * doc/c-tree.texi (INIT_EXPR): Likewise.
15996 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15997 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15998 (gimplify_target_expr): Likewise.
15999 (gimplify_cond_expr): Remove target handling.
16000 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16001 (gimplify_expr): Clobber it here.
16002 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16003 Do return slot optimization if we have an INIT_EXPR.
16006 * tree-inline.c (declare_return_variable): Also clear
16007 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16010 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16012 PR middle-end/22439
16013 * gimplify.c (gimplify_one_sizepos): Fix typo.
16015 2006-02-08 Jeff Law <law@redhat.com>
16017 PR tree-optimization/21417
16018 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16019 across a backedge if the control statement at the end of the
16020 block is data dependent on other statements in the same block.
16021 (record_temporary_equivalences_from_stmts): Remove over-conservative
16022 test for threading across backedges.
16024 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16025 control statement, handle all three special cases in the same
16026 manner as they all have the same desired solution. No longer
16027 special case edge flag updating when the post dominator is
16030 2006-02-08 Roger Sayle <roger@eyesopen.com>
16032 * tree.def (CHAR_TYPE): Remove.
16033 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16034 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16035 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16036 (gen_string_type_die): Delete unreachable function.
16038 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16039 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16040 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16041 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16042 * builtins.c (type_to_class): Likewise.
16043 * fold-const.c (fold_convert, build_range_check,
16044 merge_ranges): Likewise.
16045 * expr.c (count_type_elements): Likewise.
16046 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16047 * stor-layout.c (layout_type): Likewise.
16048 * ipa-type-escape.c (type_to_consider): Likewise.
16049 * gimplify.c (omp_firstprivatize_type_sizes,
16050 gimplify_type_sizes): Likewise.
16051 * explow.c (promote_mode): Likewise.
16052 * tree-sra.c (is_sra_scalar_type): Likewise.
16053 * varasm.c (output_constant): Likewise.
16054 * tree-inline.c (remap_type_1): Likewise.
16055 * convert.c (convert_to_pointer, convert_to_real,
16056 convert_to_integer, convert_to_complex): Likewise.
16058 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16060 * df-scan.c (df_def_record_1): A set destination may
16061 be a parallel regardless of mode.
16063 2006-02-08 Roger Sayle <roger@eyesopen.com>
16066 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16067 * config/mips/_tilib.c: Remove.
16068 * config/fixtfdi.c: New libgcc source file.
16069 * config/fixunstfdi.c: New source file.
16070 * config/floatditf.c: New source file.
16071 * config/floatunditf.c: New souce file.
16072 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16073 files above instead of config/mips/_tilib.c.
16074 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16076 2006-02-08 Jeff Law <law@redhat.com>
16078 PR tree-optimization/26169
16079 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16082 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16084 * df.h (DF_REG_SIZE): Return the length of the initialized
16087 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16089 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16090 __muldf3): Return a correctly signed zero.
16092 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16094 * passes.c (register_one_dump_file): Accept the current properties
16095 instead of pass number. Adjust call to dump_register. Remove
16097 (register_dump_files): Now a wrapper around...
16098 (register_dump_files_1): ... this one. Do not modify the pass
16100 (next_pass_1): Cosmetic fix.
16101 (execute_todo): Keep second parameter only. Use curr_properties
16102 instead of fetching it from the pass structure. Check and set
16104 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16105 instead of fetching it from the pass structure. Fix calls to
16106 execute_todo. Update curr_properties and initialize .vcg RTL dump
16107 after running the pass. Reset last_verified.
16108 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16110 (FIRST_AUTO_NUMBERED_DUMP): New.
16111 (dump_register): Remove "num" parameter, assign it within the
16113 (get_dump_file_name): Modify template for dumps.
16114 * tree-dump.h (dump_register): Adjust prototype.
16115 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16116 (PROP_trees): Add PROP_gimple_lomp.
16117 (TODO_set_props): New.
16118 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16119 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16120 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16122 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16124 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16125 (sparc64-*-linux*): Likewise.
16126 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16127 * config/sparc/t-linux: New file.
16128 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16129 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16130 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16131 -m32 -mlong-double-128.
16133 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16134 * config/alpha/t-linux: New file.
16135 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16137 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16138 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16139 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16140 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16141 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16142 (CPP_ARCH32_SPEC): Remove.
16144 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16146 PR tree-optimization/26145
16147 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16150 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16153 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16154 >= 240000 when generating code for SOM runtime.
16155 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16156 to $$dyncall when generating code for SOM runtime..
16158 2006-02-07 Dirk Mueller <dmueller@suse.com>
16161 * doc/invoke.texi (-Wsequence-point): Update documentation
16162 that -Wsequence-point is implemented for C++ as well.
16164 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16166 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16167 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16168 (LIB_SPEC): Likewise.
16169 * doc/invoke.texi (SPARC options): Document -pthread.
16171 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16173 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16176 2006-02-07 Roger Sayle <roger@eyesopen.com>
16178 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16179 Correct comment describing BOOLEAN_TYPE.
16181 2006-02-07 Dirk Mueller <dmueller@suse.com>
16183 * c.opt: C++ frontend supports -Wdiv-by-zero.
16184 * c-opts.c (c_common_handle_option): Remove dead case.
16186 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16188 * configure.ac (TLS assembler check): Do not enable TLS by
16189 default on SPARC/Solaris before version 10.
16190 * configure: Regenerate.
16192 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16194 * doc/invoke.texi (xl-compat): Document conversion and support
16197 2006-02-07 Jeff Law <law@redhat.com>
16199 * tree-vrp.c (find_conditional_asserts): Update comments.
16200 (simplify_stmt_for_jump_threading): New.
16201 (identify_jump_threads, finalize_jump_threads): New.
16202 (vrp_finalize): Call identify_jump_threads.
16203 (execute_vrp): Call finalize_jump_threads.
16204 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16205 (vrp_element, vrp_data, vrp_element_p): Remove.
16206 (vrp_hash_elt, vrp_variables_stack): Remove.
16207 (vrp_hash, vrp_eq, record_range): Remove.
16208 (simplify_cond_and_lookup_avail_expr): Remove.
16209 (extract_range_from_cond): Remove.
16210 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16211 (simplify_stmt_for_jump_threading): New.
16212 (dom_thread_across_edge): New wrapper.
16213 (tree_ssa_dominator_optimize): No longer initialize or
16214 finalize any of the VRP datastructures. Remove iteration
16215 step and simplify as a result of removal of iteration step.
16216 (pass_dominator): Perform a cfg cleanup after DOM.
16217 (dom_opt_finalize_block): Use the new common routines
16218 for threading jumps. Simplify stack management slightly.
16219 No longer need to unwind VRP state.
16220 (record_equivalences_from_incoming_edge): No longer record
16222 (eliminate_redundant_computations): No longer call
16223 simplify_cond_and_lookup_avail_expr.
16224 * tree-flow.h (potentially_threadable_block): Prototype.
16225 (thread_across_edge): Likewise.
16226 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16227 (tree-ssa-threadedge.o): Add dependencies.
16228 * tree-ssa-threadedge.c: New file.
16229 * passes.c (init_optimization_passes): Merge PHIs before
16230 calling VRP. Run VRP again late in the SSA optimization pipeline.
16232 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16234 * df-core.c (df_set_blocks): Do not dereference function pointers.
16235 (df_finish1): Likewise.
16236 (df_hybrid_search_forward): Likewise.
16237 (df_hybrid_search_backward): Likewise.
16238 (df_iterative_dataflow): Likewise.
16239 (df_analyze_problem): Likewise.
16240 (df_compact_blocks): Likewise.
16241 (df_dump): Likewise.
16242 * df-scan.c (df_rescan_blocks): Likewise.
16243 (df_record_entry_block_defs): Likewise.
16245 * genconditions.c (write_conditions): Guard the definition of
16246 'insn_conditions' with the check on GCC version.
16247 (write_writer): Guard the traversal 'insn_conditions' with
16248 the check on GCC version.
16250 2006-02-07 Richard Guenther <rguenther@suse.de>
16254 2006-01-30 Richard Guenther <rguenther@suse.de>
16256 * gimplify.c (gimplify_target_expr): Handle easy cases
16257 without creating a temporary.
16259 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16261 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16262 use of float in probability computations. Use edge probabilities
16263 in place of statically computed probabilities.
16264 (min_spec_prob): New static variable.
16265 (schedule_insns): Initialize it.
16266 (GET_SRC_PROB): Removed.
16267 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16269 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16272 * config/ia64/unwind-ia64.c: Revert last change.
16273 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16274 (INCOMING_FRAME_SP_OFFSET): Define.
16276 2006-02-06 Roger Sayle <roger@eyesopen.com>
16278 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16280 2006-02-07 Ben Elliston <bje@au.ibm.com>
16282 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16283 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16284 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16285 (ix86_return_in_memory): Handle TDmode.
16286 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16287 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16289 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16291 * reorg.c (dbr_schedule): Use dump_file instead of file.
16293 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16296 * config/ia64/predicates.md (extr_len_operand): New predicate.
16297 * config/ia64/ia64.md (extv): Tighten constraints.
16299 (*tbit_and_2): Ditto.
16300 (*tbit_and_3): Ditto.
16301 (*tbit_or_2): Ditto.
16302 (*tbit_or_3): Ditto.
16303 (*bit_zero): Ditto.
16306 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16309 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16311 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16313 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16314 loop_optimizer_init and loop_optimizer_finalize
16315 * tree-ssa-sink.c (execute_sink_code): Ditto.
16316 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16317 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16318 tree_ssa_loop_done): Ditto.
16319 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16320 * sched-ebb.c: Include output.h.
16321 (schedule_ebbs): Do not use dump argument.
16322 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16323 * loop.c (loop_dump_stream): Removed.
16324 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16326 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16327 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16328 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16329 loop_iterations, strength_reduce, record_biv, record_giv,
16330 final_giv_value, check_final_value, check_ext_dependent_givs,
16331 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16332 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16333 dump_file instead of loop_dump_stream.
16334 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16335 argument dump_file.
16336 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16338 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16339 * haifa-sched.c: Include output.h
16340 (schedule_insns, sched_init): Do not use dump argument.
16341 * mode-switching.c (optimize_mode_switching): Ditto.
16342 * modulo-sched.c (stats_file): Removed.
16343 (print_node_sched_params): Do not call argument dump_file.
16344 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16345 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16347 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16349 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16350 rtl_loop_init, rtl_loop_done): Ditto.
16351 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16352 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16354 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16355 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16356 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16357 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16358 * emit-rtl.c (renumber_insns): Ditto.
16359 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16360 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16361 * regclass.c (regclass): Ditto.
16362 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16363 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16364 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16365 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16367 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16368 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16370 * gcse.c (gcse_file, debug_stderr): Removed.
16371 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16372 rest_of_handle_gcse): Do not use dump argument.
16373 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16374 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16375 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16376 compute_code_hoist_vbeinout, compute_code_hoist_data,
16377 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16378 compute_store_table, build_store_vectors, insert_insn_start_bb,
16379 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16380 store_motion): Use dump_file instead of gcse_file.
16381 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16382 * profile.c (profile_dump_file): Removed.
16383 (branch_prob): Use dump_file instead of profile_dump_file.
16384 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16386 * tree-ssa-copy.c (dump_copy_of): Ditto.
16387 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16388 dump file to life_analysis.
16389 * bt-load.c (branch_target_load_optimize): Ditto.
16390 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16392 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16393 regclass, dbr_schedule): Declaration changed.
16394 * sched-int.h (sched_init): Declaration changed.
16395 * tree-profile.c (tree_profile_dump_file): Removed.
16396 (tree_profile_hooks): Removed profile_dump_file hook.
16397 * rtl-profile (rtl_profile_dump_file): Removed.
16398 (rtl_profile_hooks): emoved profile_dump_file hook.
16399 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16401 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16402 * tree-cfg.c (build_tree_cfg): Ditto.
16403 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16404 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16405 Declaration changed.
16406 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16407 life_analysis and schedule_insns.
16408 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16410 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16412 * config/mips/mips.c (mips_reorg): Ditto.
16413 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16416 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16418 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16419 (s390_mangle_fundamental_type): New.
16420 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16423 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16424 (alpha_mangle_fundamental_type): New.
16425 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16428 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16430 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16432 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16433 (sparc_mangle_fundamental_type): New.
16435 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16437 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16438 (s390x-*-linux*): Likewise.
16439 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16440 * config/s390/t-linux: New file.
16442 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16444 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16445 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16447 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16449 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16450 (ANTIC_SAFE_LOADS): New macro.
16451 (find_or_generate_expression): Add prototype.
16452 (set_contains_value): Allow null set for sake of not always having
16453 to allocate ANTIC_SAFE_LOADS.
16454 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16455 Allow COMPONENT_REF too.
16456 (valid_in_set): Allow COMPONENT_REF.
16457 Check ANTIC_SAFE_LOADS too.
16458 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16459 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16461 (can_PRE_operation): Add COMPONENT_REF.
16462 (create_component_ref_by_pieces): New function.
16463 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16464 (insert_aux): Move AGGREGATE_TYPE_P check here.
16465 (compute_avail): Set bb local stmt uids.
16466 (pass_pre): Use TODO_update_ssa_only_virtuals.
16468 2006-02-06 Ben Elliston <bje@au.ibm.com>
16470 * configure.ac: Unconditionally disable decimal float by default.
16471 * configure: Regenerate.
16473 2006-02-06 Ben Elliston <bje@au.ibm.com>
16475 * read-rtl.c (read_name): Terminate reading on EOF.
16477 2006-02-06 Ben Elliston <bje@au.ibm.com>
16479 * dfp.c (decimal_real_arithmetic): Change second argument type
16480 from int to enum tree_code. Do not always return true, but now
16481 return result of any call to decimal_do helper functions.
16482 * dfp.h (decimal_real_arithmetic): Update prototype.
16484 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16486 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16488 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16491 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16494 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16496 * tree-vrp.c (cfg_loops): Removed.
16497 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16498 Use current_loops instead of cfg_loops. Pass flags to
16499 loop_optimizer_init.
16500 * cfgloopmanip.c (fix_loop_structure): Update only available
16502 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16503 loop_optimizer_init.
16504 * modulo-sched.c (build_loops_structure): Removed.
16505 (sms_schedule): Use loop_optimizer_init.
16506 * loop-init.c (loop_optimizer_init): Use flags to determine
16507 which properties of loops to prepare.
16508 (rtl_loop_init): Pass flags to loop_optimizer_init.
16509 * tree-ssa-sink.c (execute_sink_code): Ditto.
16510 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16511 * tree-ssa-pre.c (init_pre): Ditto.
16512 * cfgloop.h (LOOPS_NORMAL): New.
16513 (loop_optimizer_init): Declaration changed.
16515 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16517 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16518 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16520 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16522 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16524 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16525 * pa/t-pa64: Delete quadlib.c rule.
16526 * pa/x-ada: Revert last change.
16527 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16529 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16531 PR rtl-optimization/26087
16532 * rtlanal.c (canonicalize_condition): Do not cross basic block
16535 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16538 * config/ia64/ia64.c: Include debug.h.
16539 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16540 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16541 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16542 (process_epilogue, process_set, process_for_unwind_directive):
16543 Output unwind info only if requested. Add CFA info if requested.
16544 Add new arguments as needed. Adjust callers.
16545 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16547 (DWARF2_FRAME_INFO): Define to zero.
16548 * config/ia64/unwind-ia64.c: Remove code that compensated for
16549 the CFA offset error fixed above.
16550 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16551 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16552 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16553 -funwind-tables and -fexceptions to enable frame info.
16554 (dwarf2out_frame_init): Define initial CFA even if
16555 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16556 DWARF2_UNWIND_INFO is nonzero, not just defined.
16557 (dwarf2out_frame_finish): Output non-EH call frame info only
16558 if DWARF2_FRAME_INFO is nonzero.
16559 (convert_cfa_to_loc_list,
16560 compute_frame_pointer_to_cfa_displacement): Define even if
16561 unwind info is not supported.
16562 (gen_subprogram_die): Use the above unconditionally. Remove
16563 legacy alternate code.
16564 * toplev.c (compile_file): Compile in call to
16565 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16566 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16568 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16569 Jakub Jelinek <jakub@redhat.com>
16571 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16572 IBM extended float format long double as "g" on powerpc*-linux.
16574 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16577 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16578 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16580 2006-02-03 Jason Merrill <jason@redhat.com>
16583 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16585 PR middle-end/25977
16586 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16587 on the return slot if it's an NRV.
16589 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16591 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16592 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16593 rewrite_use): Do not handle USE_OUTER.
16594 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16595 add_iv_outer_candidates, may_replace_final_value,
16596 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16597 (find_interesting_uses_op): Functionality of
16598 find_interesting_uses_outer_or_nonlin moved here.
16599 (find_interesting_uses_outside): Use find_interesting_uses_op.
16601 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16604 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16606 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16607 Ulrich Weigand <uweigand@de.ibm.com>
16610 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16611 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16612 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16613 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16615 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16616 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16617 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16618 Define secondary reloads for TFmode moves.
16619 (constant_modes): Add TFmode.
16620 (NR_C_MODES): Set to 8.
16621 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16623 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16624 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16625 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16626 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16627 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16628 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16629 (FPR mode macro): Add TFmode.
16630 (DSF mode macro): New.
16631 (<de>, <dee> mode attributes): Removed.
16632 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16633 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16634 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16635 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16636 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16637 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16638 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16639 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16640 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16641 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16642 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16643 "*negabs<mode>2", "sqrt<mode>2"):
16644 Changed <de> to <xde>. R constraint replaced by <Rf>.
16645 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16647 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16648 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16649 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16651 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16652 "extenddftf2", "extendsftf2"): New expanders.
16653 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16654 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16655 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16656 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16658 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16659 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16660 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16661 __floatditf): Add a GCC_4.1.0 symbol version tag.
16662 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16665 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16668 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16669 Use targetm.binds_local_p instead of TREE_PUBLIC.
16671 2006-02-02 Roger Sayle <roger@eyesopen.com>
16673 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16674 on INTEGER_TYPEs to indicate that it denotes a character type.
16675 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16676 signed_char_type_node, unsigned_char_type_node and char_type_node.
16677 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16678 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16679 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16681 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16682 Daniel Berlin <dberlin@dberlin.org>
16684 * tree-tailcall.c (arg_needs_copy_p): New function.
16685 (eliminate_tail_call): Use arg_needs_copy_p.
16686 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16687 (add_virtual_phis): New function.
16689 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16691 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16692 #ignore instead of #scratch for %g7 .register directive.
16694 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16696 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16699 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16701 * flow.c (calculate_global_regs_live): Assert that there aren't any
16704 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16706 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16707 what its name says.
16708 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16709 bsi_after_labels iterator.
16710 * tree-if-conv.c (find_phi_replacement_condition,
16711 replace_phi_with_cond_modify_expr): Likewise.
16712 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16713 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16715 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16717 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16719 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16722 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16723 array after growing it.
16725 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16727 PR middle-end/24901
16728 * fold-const.c (fold_checksum_tree): Change type of buf.
16730 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16732 * reload.c (push_secondary_reload): Initialize t_icode.
16734 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16736 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16737 -msoft-float -mlong-double-128 only issue a warning, but don't
16738 swich to DFmode long double.
16740 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16742 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16743 has a constant equivalent, iterate over equivalents for arg0,
16744 calling simplify_relational_operation and if there's a result
16745 cheaper than X, apply fold_rtx and return the result.
16747 2006-02-01 Jan Hubicka <jh@suse.cz>
16749 * opts.c (no_unit_at_a_time_default): New global variable.
16750 (decode_options): Use it.
16751 * opts.h (no_unit_at_a_time_default): Declare.
16753 2006-02-01 Paul Brook <paul@codesourcery.com>
16755 * function.c (assign_parm_setup_reg): Use function argument promotion
16757 * expr.c (expand_expr_real_1): Use function argument promotion rules
16760 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16762 * gcc.c (process_command): Change j to 'unsigned int'.
16764 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16766 PR middle-end/26001
16767 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16768 Use the corrected index for the character
16769 out of the string constant.
16771 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16773 * mode-switching.c (optimize_mode_switching): Fix size
16774 allocated for bb_info[n_entities].
16776 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16778 * gcc.c (main): Correct type that is allocated for
16779 explicit_link_files.
16781 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16783 * config/s390/s390.c (init_alignment_context): Set
16784 ALIAS_SET_MEMORY_BARRIER on the MEM.
16785 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16787 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16789 PR middle-end/25933
16790 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16792 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16795 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16797 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16798 * regrename.c: Ditto.
16799 * tree-ssa-loop-im.c: Ditto.
16800 * tree-dump.c: Ditto.
16801 * tree-complex.c: Ditto.
16802 * genrecog.c: Ditto.
16803 * tree-ssa-threadupdate.c: Ditto.
16805 * java/class.c: Ditto.
16806 * java/jcf-parse.c: Ditto.
16807 * java/resource.c: Ditto.
16808 * java/except.c: Ditto.
16809 * java/jvspec.c: Ditto.
16810 * java/jcf-write.c: Ditto.
16811 * java/jcf-path.c: Ditto.
16812 * java/gjavah.c: Ditto.
16813 * java/zextract.c: Ditto.
16814 * java/jcf-io.c: Ditto.
16815 * java/jcf.h: Ditto.
16816 * java/buffer.c: Ditto.
16817 * java/lang.c: Ditto.
16818 * java/parse-scan.y: Ditto.
16819 * java/lex.c: Ditto.
16820 * java/lex.h: Ditto.
16821 * cfgloopmanip.c: Ditto.
16822 * postreload-gcse.c: Ditto.
16823 * tree-ssa-loop-manip.c: Ditto.
16824 * postreload.c: Ditto.
16825 * tree-ssa-loop-ch.c: Ditto.
16828 * cppspec.c: Ditto.
16829 * diagnostic.c: Ditto.
16831 * genoutput.c: Ditto.
16833 * cfghooks.c: Ditto.
16834 * cfgloopanal.c: Ditto.
16835 * objc/objc-act.c: Ditto.
16837 * genextract.c: Ditto.
16838 * genautomata.c: Ditto.
16839 * pretty-print.c: Ditto.
16840 * genemit.c: Ditto.
16841 * cgraphunit.c: Ditto.
16843 * df-scan.c: Ditto.
16844 * haifa-sched.c: Ditto.
16845 * dominance.c: Ditto.
16847 * tree-ssa-loop-ivopts.c: Ditto.
16848 * df-core.c: Ditto.
16849 * mode-switching.c: Ditto.
16850 * modulo-sched.c: Ditto.
16852 * ipa-pure-const.c: Ditto.
16854 * fix-header.c: Ditto.
16856 * tree-stdarg.c: Ditto.
16857 * ipa-utils.c: Ditto.
16858 * loop-init.c: Ditto.
16859 * ipa-inline.c: Ditto.
16860 * cfganal.c: Ditto.
16862 * alloc-pool.c: Ditto.
16863 * dwarf2out.c: Ditto.
16865 * genattrtab.c: Ditto.
16866 * tree-ssa-loop-ivcanon.c: Ditto.
16867 * predict.c: Ditto.
16868 * timevar.c: Ditto.
16870 * fortran/gfortranspec.c: Ditto.
16871 * regmove.c: Ditto.
16872 * local-alloc.c: Ditto.
16873 * langhooks.c: Ditto.
16874 * function.c: Ditto.
16875 * tree-vectorizer.c: Ditto.
16877 * ipa-type-escape.c: Ditto.
16879 * tree-if-conv.c: Ditto.
16880 * profile.c: Ditto.
16882 * tree-data-ref.c: Ditto.
16883 * loop-unroll.c: Ditto.
16884 * treelang/treetree.c: Ditto.
16886 * bt-load.c: Ditto.
16887 * ggc-common.c: Ditto.
16889 * coverage.c: Ditto.
16891 * tree-cfgcleanup.c: Ditto.
16892 * tree-ssa-pre.c: Ditto.
16893 * cfgcleanup.c: Ditto.
16894 * loop-invariant.c: Ditto.
16895 * loop-iv.c: Ditto.
16896 * ipa-prop.c: Ditto.
16897 * print-tree.c: Ditto.
16898 * conflict.c: Ditto.
16899 * ggc-page.c: Ditto.
16900 * sched-deps.c: Ditto.
16901 * regclass.c: Ditto.
16902 * tree-object-size.c: Ditto.
16903 * combine.c: Ditto.
16904 * bb-reorder.c: Ditto.
16905 * resource.c: Ditto.
16906 * var-tracking.c: Ditto.
16907 * cfgloop.c: Ditto.
16908 * df-problems.c: Ditto.
16909 * reg-stack.c: Ditto.
16911 * gccspec.c: Ditto.
16912 * sched-rgn.c: Ditto.
16913 * tree-ssa-structalias.c: Ditto.
16914 * tree-ssa-reassoc.c: Ditto.
16915 * config/darwin-c.c: Ditto.
16916 * config/darwin.c: Ditto.
16917 * config/arm/arm.c: Ditto.
16919 * collect2.c: Ditto.
16920 * reload1.c: Ditto.
16922 2006-01-31 Nicolas Pitre <nico@cam.org>
16924 * arm.md (smaxsi3): Make aware of smax_m1.
16927 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16929 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16931 2006-01-31 Richard Guenther <rguenther@suse.de>
16933 * doc/invoke.texi (-msselibm): Document.
16934 * target.h (expand_library_builtin): New target hook.
16935 * builtins.c (expand_builtin): Use expand_library_builtin.
16936 (default_expand_library_builtin): New function.
16937 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16938 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16939 (link_gcc_math_spec): Declare.
16940 (static_specs): Add link_gcc_math_spec.
16941 * expr.h (default_expand_library_builtin): Declare.
16942 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16943 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16944 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16945 * config/i386/i386.opt (msselibm): New target option.
16946 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16947 (ix86_init_sse_abi_builtins): New function.
16948 (ix86_expand_library_builtin): Likewise.
16949 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16950 (override_options): Handle error conditions wrt -msselibm.
16951 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16952 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16953 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16956 2006-01-31 Richard Guenther <rguenther@suse.de>
16957 Paolo Bonzini <bonzini@gnu.org>
16959 * doc/install.texi (--disable-libgcc-math): Document.
16961 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16963 * expr.h (expand_normal): new inline function.
16964 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16965 * dojump.c: use it.
16966 * dwarf2out.c: use it.
16969 * expmed.c: use it.
16970 * except.c: use it.
16971 * config/sparc/sparc.c: use it.
16972 * config/i386/i386.c: use it.
16973 * config/rs6000/rs6000.c: use it.
16974 * config/arm/arm.c: use it.
16975 * config/mips/mips.c: use it.
16976 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16978 2006-01-30 Roger Sayle <roger@eyesopen.com>
16980 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16981 argv to the appropriate type.
16983 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16985 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16988 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16991 * config/s390/s390.c (struct machine_function): New flag
16992 decomposed_literal_pool_addresses_ok_p.
16993 (s390_reorg): Set it before final stage of literal pool transforms.
16994 (s390_decompose_address): Only accept displacements of the form
16995 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16997 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16999 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17000 the comparison routine return.
17002 2006-01-30 Michael Matz <matz@suse.de>
17004 * global.c (find_reg): Only evict for global regs.
17005 Take n_refs into account and dump more info.
17007 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17010 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17011 (pragma_trap, pragma_nosave_low_regs): Likewise.
17012 (current_function_anonymous_args): Likewise.
17013 (sh_deferred_function_attributes): New variable.
17014 (sh_deferred_function_attributes_tail): Likewise.
17015 (print_operand): For '@', look up trap_exit attribute.
17016 (calc_live_regs): Look up trapa_handler attribute. For trapa
17017 handlers, save/restore fpscr, but don't do any other
17018 interrupt-specific saves.
17019 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17020 Fix check for partially saved registers to check for SHmedia.
17021 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17022 (sh_output_function_epilogue): Don't clear any of the removed
17024 (sh_insert_attributes): Don't check pragma_interrupt.
17025 Insert deferred attributes. Check that interrupt attribute is
17026 present for other attributes that require its presence.
17027 (sh_attribute_table): Add new attributes trapa_handler and
17029 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17030 Don't check for pragma_interrupt. Don't store argument.
17031 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17032 (sh_deferred_function_attributes): Declare.
17033 (sh_deferred_function_attributes_tail): Likewise.
17034 * sh.md (sp_switch_1): Add operand. Change generator caller.
17035 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17036 (*return_i): Don't use when trap_exit attribute is in effect.
17037 (*return_trapa): New insn pattern.
17038 * sh-c.c: New file.
17039 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17040 setting c_target_objs and cxx_target_objs.
17041 * t-sh: Add rule for sh-c.o.
17043 2006-01-30 Richard Guenther <rguenther@suse.de>
17046 * gimplify.c (gimplify_target_expr): Handle easy cases
17047 without creating a temporary.
17049 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17051 * vec.h (safe_grow): Remove duplicated line.
17053 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17056 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17057 (expand_omp): ... here.
17058 (expand_omp_parallel): Only remove barriers for combined
17059 parallel+workshare constructs.
17061 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17065 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17066 * tree.c (build_qualified_type): Chain the new type to the original
17067 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17068 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17069 (build_pointer_type_for_mode): Only return unqualified types.
17070 (build_reference_type_for_mode): Likewise.
17072 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17074 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17075 * Makefile.in (CXX_COMPAT_WARN): Define.
17076 * configure: Regenerate.
17078 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17081 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17084 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17086 * toplev.c: Fix thinko.
17088 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17089 Marcin Dalecki <martin@dalecki.de>
17091 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17092 (push_srcloc): Use XNEW.
17093 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17095 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17097 * df-core.c (df_set_blocks): Deleted all variable.
17099 2006-01-28 Ian Lance Taylor <ian@airs.com>
17101 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17102 cgraph_output_pending_asms.
17104 2006-01-28 Zack Weinberg <zackw@panix.com>
17106 * c.opt: Add -W(no-)overlength-strings.
17107 * doc/invoke.texi: Document it.
17108 * c-opts.c (c_common_handle_option): -pedantic implies
17109 -Woverlength-strings, if not explicitly disabled already.
17110 (c_common_post_options): -Woverlength-strings defaults to off, and
17111 is always off for C++.
17112 * c-common.c (fix_string_type): Issue warning about strings longer
17113 than is portable only if warn_overlength_strings. Rearrange code
17114 a little for clarity.
17115 * configure.in: Check for -Wno-overlength-strings as well before
17116 enabling -pedantic in stage 1.
17117 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17118 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17120 * genconditions.c (write_header, write_one_condition)
17121 (write_conditions, write_writer): Consolidate very long strings
17122 that were broken up to fit in C89 portable limit. Don't use
17123 printf when fputs will do.
17125 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17127 * combine.c (simplify_comparison <AND>): Check
17128 TRULY_NOOP_TRUNCATION before start using a subreg.
17130 * config/mips/mips.md (*branch_zero<mode>,
17131 *branch_zero<mode>_inverted, *branch_equality<mode>,
17132 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17133 Remove mode check from comparisons.
17135 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17137 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17139 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17141 * expmed.c (const_mult_add_overflow_p): Remove.
17142 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17144 * recog.c (validate_replace_rtx_subexp): Remove.
17145 * recog.h: Remove the prototype for
17146 validate_replace_rtx_subexp.
17148 * integrate.h: Remove the prototype for
17149 copy_decl_for_inlining.
17150 * rtl.h: Remove the prototype for mark_constant_function.
17151 * tree-vectorizer.h: Remove the prototype for
17152 vect_strip_conversion.
17154 * modulo-sched.c (create_partial_schedule,
17155 free_partial_schedule, reset_partial_schedule): Make them
17158 * hooks.c (hook_bool_rtx_int_false): Remove.
17159 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17161 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17163 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17164 and -mlong-double-128 are incompatible.
17165 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17166 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17167 (TARGET_LIBGCC2_CFLAGS): Define.
17168 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17169 (TARGET_LIBGCC2_CFLAGS): Same.
17170 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17172 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17175 * c-typeck.c (build_binary_op): Perform implicit casts of
17176 operands before shortening them.
17178 * cfgloopmanip.c (split_loop_bb): Remove.
17179 * cfgloop.h: Remove the prototype for split_loop_bb.
17181 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17182 * cfgloop.h: Remove the prototype for
17183 flow_loop_outside_edge_p.
17185 * emit-rtl.c (init_virtual_regs): Make it static.
17186 * function.h: Remove the prototype for init_virtual_regs.
17188 * recog.c (peephole2_optimize): Make it static.
17189 * recog.h: Remove the prototype for peephole2_optimize.
17191 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17193 * df-scan.c (df_record_entry_block_defs): Check if
17194 INCOMING_RETURN_ADDR_RTX is defined.
17196 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17197 Kenneth Zadeck <zadeck@naturalbridge.com>
17199 PR rtl-optimization/24762
17200 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17201 * targhooks.c (hook_void_bitmap): New hook prototype.
17202 * targhoohs.h (hook_void_bitmap): Ditto.
17203 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17204 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17205 * target.h (live_on_entry): New function pointer.
17206 * df-scan.c (df_all_hard_regs): Removed.
17207 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17208 (df_scan_free_internal): Added df->entry_block_defs.
17209 (df_scan_alloc): Ditto.
17210 (df_scan_dump): Ditto.
17211 (df_uses_record): Plumbed flag field properly thru calls.
17212 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17213 This part fixes PR24762.
17214 (df_bb_refs_record): Added code to make the frame and arg
17215 pointers live in EH blocks.
17216 (df_refs_record): Added call to df_record_entry_block_defs.
17217 (df_record_entry_block_defs): New function.
17218 * df-core.c: Added comments to describe new artifical defs.
17219 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17220 (entry_block_defs): New field in struct df.
17221 (df_all_hard_regs): Deleted.
17222 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17223 * df-problems.c (df_ru_bb_local_compute_process_def):
17224 Added code to handle artifical defs in the entry to a function.
17225 (df_ru_bb_local_compute): Ditto.
17226 (df_rd_bb_local_compute_process_def): Ditto.
17227 (df_rd_bb_local_compute): Ditto.
17228 (df_lr_bb_local_compute): Ditto.
17229 (df_ur_bb_local_compute): Ditto.
17230 (df_urec_bb_local_compute): Ditto.
17231 (df_chain_create_bb): Ditto.
17232 (df_ur_local_finalize): Removed entry.
17233 (df_urec_init): Ditto.
17234 (df_urec_local_finalize): Ditto.
17235 (df_ri_bb_compute): Added detection of last use of pseudos.
17236 * Makefile.in (df-scan.o): Updated dependencies.
17237 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17238 * config/mips/mips.c (mips_set_live_on_entry): Added.
17239 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17241 * dce.c (marked_insn_p): Added code to handle artifical defs.
17243 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17245 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17247 (_mm_cvtsi128_si64): Likewise.
17248 (_mm_cvtsd_si64): Likewise.
17249 (_mm_cvttsd_si64): Likewise.
17250 (_mm_cvtsi64_sd): Likewise.
17251 (_mm_cvtsi64_si128): Likewise.
17252 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17253 (_mm_cvtsi64_m64): Likewise.
17254 (_m_to_int64): Likewise.
17255 (_mm_cvtm64_si64): Likewise.
17256 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17257 (_mm_cvttss_si64): Likewise.
17258 (_mm_cvtsi64_ss): Likewise.
17259 (_mm_cvtss_f32): Likewise.
17261 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17263 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17264 for pragma redefine_extname.
17266 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17269 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17270 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17271 -mno-minimal-toc to previous content.
17272 (bispecs): Remove goal.
17273 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17274 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17275 compatibility aliases on powerpc-*-*gnu*.
17276 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17277 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17278 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17279 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17280 (ldblspecs): New goal.
17281 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17282 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17284 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17285 L_sf_to_tf or L_df_to_tf is defined.
17287 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17288 Alan Modra <amodra@bigpond.net.au>
17291 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17292 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17293 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17294 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17295 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17296 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17297 (rs6000_override_options): Initialize rs6000_ieeequad.
17298 Initialize TFmode format to ibm_extended_format if not
17300 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17302 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17303 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17304 (function_arg_advance): IBM long double passed in two FPRs, not
17306 (function_arg): IBM long double passed in FPRs.
17307 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17308 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17309 Only multireg GPR aligned.
17310 (rs6000_init_libfuncs): Enable IBM long double functions if not
17312 (rs6000_generate_compare): Use IBM long double compare if not
17314 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17315 (TARGET_IEEEQUAD): Define.
17316 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17317 not TARGET_IEEEQUAD.
17318 * config/rs6000/rs6000.md: Enable TFmode patterns if
17320 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17321 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17322 and -mlong-double-128 are incompatible.
17323 * doc/invoke.texi (-mabi): Collect options together. Add
17324 ibmlongdouble and ieeelongdouble.
17326 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17328 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17330 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17331 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17332 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17333 * rtl.h (rtunion_def): Remove rt_ptr.
17335 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17336 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17337 * config/i386/winnt.c (i386_pe_mark_dllexport)
17338 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17340 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17342 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17344 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17348 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17349 pthread_key_delete. From John David Anglin. gthrw-ify
17350 pthread_getunique_np only if it it's not a macro. Delete
17352 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17353 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17354 __gthread_objc_condition_signal, __gthread_key_delete): Add
17355 "__attribute__ ((__unused__))" to unused arguments.
17356 (__gthread_recursive_mutex_init_function): Add missing return.
17357 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17358 gthr-posix95.h: Use macro-based approach for name redirection
17359 on targets missing weakref.
17361 2006-01-26 Zack Weinberg <zackw@panix.com>
17363 * genconditions.c (write_header): In generated code, #ifdef out
17364 all includes and fake declarations, except includes of bconfig.h
17365 and system.h, unless GCC_VERSION >= 3001. Do not include
17366 gensupport.h in any case.
17367 (write_conditions): Generate a definition of struct c_test. Add
17368 a comment to the generated #endif.
17369 (write_one_condition): Escape backslashes in string too.
17370 (write_writer): Generated code must escape backslashes and quote
17371 marks (but not newlines) in the strings it writes.
17372 * Makefile.in (build/gencondmd.o): Update dependencies.
17374 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17377 * Makefile.in (insn-automata.o): Add header file dependencies.
17378 * genautomata.c: Add includes.
17380 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17383 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17385 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17387 * configure.ac: Expect target tools paths to be passed from the toplevel
17388 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17390 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17392 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17395 * c.opt (Wpointer-sign): Init to -1.
17396 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17397 OPT_pedantic, to 0 otherwise.
17398 * doc/invoke.texi: Update.
17400 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17402 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17403 constants provided by 80387 instructions in the destination mode.
17405 2006-01-26 Richard Guenther <rguenther@suse.de>
17406 Andrew Pinski <pinskia@physics.uc.edu>
17409 partial PR tree-opt/17064
17410 * tree-ssa-structalias.c (intra_create_variable_infos):
17411 Create heap variables for incoming parameters if
17412 flag_argument_noalias > 1.
17413 (find_what_p_points_to): Look through default defs of
17416 2006-01-26 Jeff Law <law@redhat.com>
17419 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17420 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17421 within the VR_RANGE, use the VR_RANGE as the result, not the
17423 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17424 bounds for the type.
17426 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17428 * tree-ssa-alias.c (maybe_create_global_var): Change
17429 subvar walking to an assertion that we don't have subvar'd variables.
17431 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17434 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17435 Use a new variable, inner. PARM_DECLs are always non-weak.
17437 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17439 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17440 --disable-checking.
17442 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17444 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17446 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17448 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17449 (smax_insn, smin_insn, smax_0, smin_0): New.
17451 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17454 * config/cris/cris.c (cris_order_for_addsi3): New function.
17455 * config/cris/cris-protos.h: Prototype it.
17456 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17457 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17458 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17459 (split for "op.S1 [rx=rx+i],ry (swapped)")
17460 (split for "op(s|u).S1 [rx=rx+i],ry")
17461 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17462 Apply cris_order_for_addsi3 when generating addsi3 insns.
17464 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17466 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17467 (TREE_BLOCK): Add call to EXPR_CHECK.
17469 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17472 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17473 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17474 (dump_omp_clauses): ... here.
17475 (dump_generic_node): Handle OMP_CLAUSE.
17476 * tree.c (omp_clause_num_ops): New.
17477 (omp_clause_code_name): New.
17478 (tree_code_size): Handle OMP_CLAUSE.
17479 (tree_size): Likewise.
17480 (make_node): Document handling of OMP_CLAUSE.
17481 (tree_node_structure): Handle OMP_CLAUSE.
17482 (omp_clause_check_failed): New.
17483 (omp_clause_range_check_failed): New.
17484 (omp_clause_operand_check_failed): New.
17485 (build_omp_clause): New.
17486 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17487 * tree.h (enum omp_clause_code): Declare.
17488 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17489 (OMP_CLAUSE_RANGE_CHECK): Define.
17490 (OMP_CLAUSE_ELT_CHECK): Define.
17491 (omp_clause_check_failed): Declare.
17492 (omp_clause_operand_check_failed): Declare.
17493 (omp_clause_range_check_failed): Declare.
17494 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17495 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17496 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17497 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17498 (OMP_CLAUSE_IF_EXPR): Likewise.
17499 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17500 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17501 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17502 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17503 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17504 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17505 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17506 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17507 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17508 (OMP_CLAUSE_CODE): Define.
17509 (OMP_CLAUSE_SET_CODE): Define.
17510 (OMP_CLAUSE_CODE): Define.
17511 (OMP_CLAUSE_OPERAND): Define.
17512 (struct tree_omp_clause): Declare.
17513 (union tree_node): Add field 'omp_clause'.
17514 * treestruct.def (TS_OMP_CLAUSE): Define.
17515 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17516 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17517 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17518 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17519 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17520 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17521 (OMP_CLAUSE): Define.
17522 * print-tree.c (print_node): Handle OMP_CLAUSE.
17523 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17524 * c-typeck.c: Likewise.
17525 * gimplify.c: Likewise.
17526 * c-omp.c: Likewise.
17527 * tree-nested.c: Likewise.
17528 * tree-inline.c: Likewise.
17529 * c-parser.c: Likewise.
17530 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17533 2006-01-25 Roger Sayle <roger@eyesopen.com>
17535 PR rtl-optimization/25703
17536 * combine.c (try_combine): Handle zero_extract and strict_low_part
17537 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17539 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17541 * global.c: Fix comment typos.
17543 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17546 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17547 Use output_addr_const instead of assemble_name.
17549 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17551 * Makefile.in (sched-vis.o): Update dependencies.
17552 * haifa-sched.c (sched_finish): Clear current_sched_info.
17553 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17554 (dump_flow_info): Call it.
17555 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17557 * basic-block.h (dump_bb_info): Declare.
17558 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17559 option, and apply options only for dump files whose TDF_RTL,
17560 TDF_TREE, or TDF_IPA bits match.
17561 * rtl.h: Declare new functions exported from sched-vis.c.
17562 * sched-vis.c: Enable also if scheduling is not used.
17563 (print_value): Print the mode of registers if not inside scheduling.
17564 (print_insn): Make it work outside the scheduler. Beautify the output
17566 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17568 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17570 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17571 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17572 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17573 depending on the value of CONSTANT_POOL_ADDRESS_P.
17574 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17576 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17577 rather than SYMBOL_REF_DECL.
17578 (rtx_constant_pool): Remove const_rtx_sym_htab.
17579 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17580 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17581 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17582 Remove handling of const_rtx_sym_htab.
17583 (find_pool_constant): Delete.
17584 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17585 rather than find_pool_constant.
17586 (get_pool_constant_for_function): Delete.
17587 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17588 find_pool_constant.
17589 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17590 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17591 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17592 (SYMBOL_REF_CONSTANT): New macro.
17593 (get_pool_constant_for_function): Delete.
17594 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17595 rather than SYMBOL_REF_DECL.
17596 (i386_pe_mark_dllimport): Likewise.
17597 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17598 rather than SYMBOL_REF_DECL.
17599 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17600 (machopic_indirect_call_target): Likewise.
17602 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17604 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17606 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17608 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17610 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17612 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17614 2006-01-24 David Daney <ddaney@avtrex.com>
17617 * configure.ac (enable_tls): New enable option.
17618 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17619 * configure: Regenerate.
17620 * doc/install.texi (--enable-tls): Document new option.
17621 (--disable-tls): Ditto.
17623 2006-01-24 Richard Henderson <rth@redehat.com>
17625 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17626 * alias.c (true_dependence): Respect it.
17627 (canon_true_dependence, write_dependence_p): Likewise.
17628 * builtins.c (get_builtin_sync_mem): Set it.
17630 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17632 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17635 2006-01-24 DJ Delorie <dj@redhat.com>
17637 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17638 for storing constants in single-bit bitfields.
17640 2006-01-25 Ben Elliston <bje@au.ibm.com>
17642 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17644 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17647 * tree-ssa-pre.c (phi_translate): Return NULL
17648 for AGGREGATE_TYPE's.
17650 2006-01-24 Zack Weinberg <zackw@panix.com>
17652 * genautomata.c (process_state_for_insn_equiv_partition):
17653 Use xcalloc for insn_arcs_array.
17654 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17655 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17657 2006-01-24 Richard Henderson <rth@redhat.com>
17659 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17660 update all callers.
17662 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17664 PR rtl-optimization/25890
17665 PR rtl-optimization/25905
17666 * combine.c (expand_compound_operation, expand_field_assignment):
17667 Fail if the bitfield's final position is out of bounds.
17669 2006-01-24 Ian Lance Taylor <ian@airs.com>
17671 PR middle-end/25930
17672 * cgraphunit.c (cgraph_output_in_order): Don't clear
17673 cgraph_asm_nodes until after asm strings have been output.
17675 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17677 * fix-header.c (read_scan_file): Add new parameter imultilib when
17678 calling register_include_chains.
17680 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17682 * omp-low.c: Update documentation.
17684 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17685 Daniel Berlin <dberlin@dberlin.org>
17689 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17690 return from the function.
17692 2006-01-22 Zack Weinberg <zackw@panix.com>
17694 * rtl.def (match_code): Add second argument.
17695 * genpreds.c (write_extract_subexp): New function.
17696 (write_match_code): Add path argument. Use write_extract_subexp.
17697 (write_predicate_expr): Pass path to write_match_code.
17698 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17699 not perform a mode test.
17700 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17701 a subexpression does not constrain the top-level code set.
17702 * read-rtl.c (read_rtx_variadic): New function.
17703 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17704 * doc/md.texi: Document new notation.
17705 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17706 (cmpsi_operand): ... here, using new notation.
17708 2006-01-22 Zack Weinberg <zackw@panix.com>
17710 * varray.c: Remove GENERATOR_FILE #ifdefs.
17712 2006-01-22 Zack Weinberg <zackw@panix.com>
17714 * genautomata.c (output_reserved_units_table): Emit nothing if
17715 description->query_units_num is zero. Remove extra blank line.
17716 (output_cpu_unit_reservation_p): Short circuit
17717 if description->query_units_num is zero.
17719 2006-01-22 Zack Weinberg <zackw@panix.com>
17721 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17722 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17723 nor any of the random handful of variables that used to be necessary
17724 when this program was linked with rtlanal.o. Prune set of forward
17725 function declarations.
17726 (struct attr_desc): Remove static_p field.
17727 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17728 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17729 (attr_string): Do not read the character one past the length of
17731 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17732 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17733 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17734 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17735 (make_automaton_attrs): New.
17736 (main): Do not call into genautomata. Call local gen_bypass
17737 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17738 Remove special case for insn_alts.
17739 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17740 varray.h (leftover from previous change). Prune set of forward
17741 function declarations. Remove state_alts fields from all
17742 structures. Remove state_alts_table from struct automaton.
17743 Make everything except main static. Do not maintain num_dfa_decls.
17744 Do not maintain state_alts fields of various structures.
17745 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17746 (add_arc): Remove state_alts argument. All callers updated.
17747 (output_reserved_units_table): Emit #ifdef here...
17748 (output_tables): ...not here. Don't generate state_alts tables.
17749 (expand_automata): Don't generate attributes.
17750 (write_automata): Don't generate state_alts functions.
17751 (main): New function.
17752 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17753 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17754 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17755 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17756 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17757 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17758 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17759 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17761 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17762 * genattrtab.h: Delete file.
17763 * Makefile.in (OBJS-common): Add insn-automata.o.
17764 (insn-automata.o): New rule.
17765 (simple_generated_c): Add insn-automata.c.
17766 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17767 (genprogmd): Add automata.
17768 (build/genattrtab): Needs no extra objects nor libraries.
17769 (build/genautomata): Needs build/vec.o and -lm.
17771 2006-01-22 Zack Weinberg <zackw@panix.com>
17773 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17774 (output_dfa_max_issue_rate, locked_states_num): Delete.
17775 (struct automaton): Add locked_states field.
17776 (output_dead_lock_vect): Save number of locked states in
17777 automaton->locked_states. If it is zero, don't print anything.
17778 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17779 (output_internal_dead_lock_func): Only test the dead_lock_vect
17780 for automata that have locked states.
17781 (output_statistics): Always print the number of locked states for
17782 each automaton. Calculate total number of locked states here.
17783 (write_automata): Don't call output_dfa_max_issue_rate.
17784 * genattrtab.c: Define length_unit_log as a const variable.
17785 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17786 max_insn_queue_index const.
17787 * final.c (length_unit_log): Declare const.
17788 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17790 2006-01-22 Zack Weinberg <zackw@panix.com>
17792 * genautomata.c: Include vec.h, not varray.h.
17793 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17794 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17795 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17796 VEC_* macros operating on appropriately typed vectors, or to
17797 malloced arrays when the size is known in advance. Const-ify
17798 many char* variables and function arguments. No functional changes.
17799 * Makefile.in (build/varray.o): Delete rule.
17800 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17801 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17803 2006-01-22 Zack Weinberg <zackw@panix.com>
17805 * gensupport.c: Define get_insn_name and record_insn_name here.
17806 (read_md_rtx): Call record_insn_name as appropriate.
17807 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17808 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17809 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17811 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17812 (BUILD_VARRAY): Delete.
17813 (genprognormal): Rename genprogmd. Fold in all programs from
17814 genprognoprint; also attrtab.
17815 (build/genattrtab): Just mention genautomata.o and varray.o.
17816 Reorganize a bit, add comments to make the categories clearer.
17818 2006-01-22 Zack Weinberg <zackw@panix.com>
17820 * genconditions.c (condition_table, add_condition): Delete.
17821 (write_conditions): Don't emit n_insn_conditions nor
17822 insn_elision_unavailable. Issue the gcc version #ifdef here,
17823 inside the table, with no #else clause ...
17824 (write_header): ...not here.
17825 (write_writer): New function.
17826 (main): Don't initialize condition_table. Use add_c_test.
17828 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17829 files on the command line.
17830 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17831 Return -1 if there is no entry in the table, don't abort.
17832 (add_c_test, traverse_c_tests): New functions.
17833 * gensupport.h (insn_elision_unavailable, insn_conditions)
17834 (n_insn_conditions): Delete declarations.
17835 (add_c_test, traverse_c_tests): Declare.
17836 * read-rtl.c: Include gensupport.h.
17837 (read_conditions): New function.
17838 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17839 (read_rtx_1): If we get EOF when we were looking for an initial
17840 open paren, return 0. Call read_conditions when appropriate.
17841 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17842 dummy-conditions.o. Eliminate references to insn-conditions.o,
17843 or change them to build/gencondmd.o, as appropriate. Remove
17844 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17845 from $(simple_generated_c). For all files remaining in those
17846 two lists, add insn-conditions.md to the generator command line.
17847 Give insn-constants.h/s-constants their own rules. Add rules
17848 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17849 (build/read-rtl.o): Depend on gensupport.h.
17850 (genprognormal): Include preds.
17851 (genprogearly): Rename genprognoprint; only difference is now that
17852 they don't link with $(BUILD_PRINT).
17853 * dummy-conditions.c: Delete.
17855 2006-01-22 Zack Weinberg <zackw@panix.com>
17857 * genextract.c: Don't include insn-config.h. Do include vec.h.
17858 Declare vectors of int, char, and locstr.
17859 (locstr): New typedef.
17860 (struct extraction): Make all array fields into bare pointers.
17861 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17862 (insn_code_number): Delete.
17863 (accum_extract): New struct.
17864 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17865 (gen_insn): Take insn_code_number as an argument. Use an
17866 accum_extract structure instead of loading data directly into
17867 a struct extraction, and having to know how big it might get.
17868 (walk_rtx): Operate entirely on an accum_extract structure.
17869 (print_path): Avoid unnecessary use of printf.
17870 (print_header): New function, split out of main. Distinguish
17871 more carefully between an unrecognizable insn and an insn that
17872 has the code number of a define_expand.
17873 (main): Pass insn_code_number to gen_insn. Call print_header
17874 only after parsing. Avoid unnecessary use of printf.
17875 * Makefile.in (build/vec.o): New rule.
17876 (build/genextract): Depend on build/vec.o.
17877 (build/genextract.o): Don't depend on insn-config.h.
17879 2006-01-22 Zack Weinberg <zackw@panix.com>
17881 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17882 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17883 practical. Eliminate per-generator-program link rules.
17885 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17887 PR middle-end/24437
17888 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17889 with a call expr to ...
17890 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17892 2006-01-23 Richard Guenther <rguenther@suse.de>
17894 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17895 before make_edge with conditional EDGE_TRUE_VALUE.
17897 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17898 Jan Hubicka <jh@suse.cz>
17899 Richard Guenther <rguenther@suse.de>
17901 PR rtl-optimization/25654
17902 * cfgexpand.c (aggregate_contains_union_type): New function.
17903 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17904 for structure variables that contain a union type.
17906 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17908 * gengtype.c (new_structure): Return the structure.
17909 (create_option): Add an extra "next" argument.
17910 (create_field): New function.
17911 (adjust_field_rtx_def): Use create_option and create_field.
17912 Remove a now-unnecessary call to find_structure.
17913 (adjust_field_tree_def): Likewise.
17914 (note_yacc_type): Remove an unnecessary call to find_structure.
17915 * gengtype.h (new_structure): Return the structure.
17916 (create_option): Add an extra argument.
17917 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17918 (option): Adjust calls to create_option.
17920 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17922 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17924 2006-01-22 Paul Brook <paul@codesourcery.com>
17925 Peter Barada <peter@the-baradas.com>
17927 * config/m68k/m68k.md: Add Coldfire FPU support.
17928 Define FP mode macro and associated attributes.
17929 Use it for float mode patterns.
17930 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17931 (LIBCALL_VALUE): Use m68k_libcall_value.
17932 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17933 (m68k_function_value): Ditto.
17934 (emit_move_sequence): Ditto.
17935 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17936 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17937 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17938 (MULTILIB_EXCEPTIONS): Ditto.
17939 * config/m68k/m68k.opt: Add mcfv4e.
17940 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17941 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17942 (m68k_output_function_prologue): Save ColdFire FPU registers.
17943 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17944 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17945 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17946 ColdFire FPU registers.
17947 (m68k_libcall_value, m68k_function_value): New functions.
17948 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17949 (LIBCALL_VALUE): Use m68k_libcall_value.
17950 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17951 (MASK_COLDFIRE): Add MASK_CFV4E.
17952 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17953 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17954 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17955 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17956 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17957 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17958 * doc/invoke.tex: Document -mcfv4e on m68k.
17960 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17962 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17965 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17968 * c-opts.c (c_common_handle_option): Don't include
17969 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17970 * doc/invoke.texi (C++ Dialect Options): Document that
17971 -Wnon-virtual-dtor is no longer included in -Wall.
17973 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17975 * gcov.c (print_version), gcov-dump.c (print_version),
17976 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17979 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17981 * df-scan.c (problem_SCAN): Added NULL reset function.
17982 (df_scan_reset_blocks): Added code to call reset block function
17983 (df_bb_refs_delete) Fixed comment.
17984 (df_insn_refs_delete): Made tolerant of deleting non existent info
17985 for dataflow problems that need to be reset.
17986 * df-core.c (df_set_blocks): Ditto.
17987 * df.h (struct df_problem): Added reset_fun.
17988 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17989 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17990 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17991 functions to clear out all references to def-use or use-def chains.
17993 2006-01-21 Ben Elliston <bje@au.ibm.com>
17995 * varasm.c (assemble_real): Initialise data array.
17997 2006-01-20 Paul Brook <paul@codesourcery.com>
17999 Merge from csl-arm-branch.
18000 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18001 * config/arm/arm.md (movdi): Force operands[1] to a register
18002 if we have a non-register source.
18003 (*arm_movdi, *movdf_soft_insn): Require that one of the
18004 operands be a register.
18005 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18006 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18008 2006-01-20 DJ Delorie <dj@redhat.com>
18010 * varasm.c (initializer_constant_valid_p): Allow pointers
18011 initialized from integer constants of lesser precision.
18012 (output_constant): Allow non-int-sized pointer modes to be
18013 initialized from integer constants.
18015 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18018 * cppdefault.h (struct default_include): Add multilib flag.
18019 * cppdefault.c (cpp_include_defaults): Set it.
18020 * c.opt (-imultilib): New option.
18021 * c-opts.c (imultilib): New.
18022 (c_common_handle_option): Handle -imultilib.
18023 (c_common_post_options): Likewise.
18024 * c-incpath.c (add_standard_paths, register_include_chains):
18026 * c-incpath.h (register_include_chains): Add extra parameter.
18027 * gcc.c (do_spec_1): Generate -imultilib option.
18028 (The Specs Language): Update %I description.
18029 (process_command): Update copyright notice.
18030 * doc/cppopts.texi (-imultilib): Document.
18031 * doc/invoke.texi (-imultilib): Include in option summary.
18032 (%I): Update specs documentation.
18034 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18036 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18038 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18040 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18043 2006-01-20 Richard Guenther <rguenther@suse.de>
18044 Steven Bosscher <stevenb.gcc@gmail.com>
18046 PR rtl-optimization/24626
18047 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18048 EDGE_TRUE_VALUE if in RTL mode.
18051 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18052 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18054 2006-01-20 Dirk Mueller <dmueller@suse.com>
18057 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18058 instead of a special NOP marker.
18059 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18060 NOP marker handling.
18061 * c-common.h (empty_body_warning): Add forward declaration.
18062 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18063 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18065 2006-01-20 Paul Brook <paul@codesourcery.com>
18067 * Makefile.in (lang_checks): Keep going if mkdir fails.
18069 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18071 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18072 be able to clean out basic block when not necessary.
18073 (df_scan_free): Fixed to properly delete information if df is
18074 unused before calling df_finish.
18075 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18076 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18078 (df_bb_refs_delete): New function.
18079 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18080 * df-core.c (df_set_blocks): Added code to properly clean out
18081 unused blocks if they are not part of the blocks to consider.
18082 Added additional null check.
18083 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18084 be able to clean out basic block when not necessary
18085 * df.h (df_free_bb_function): Ditto.
18086 (df_bb_refs_delete): New function.
18087 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18088 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18089 basic block parameter to be able to clean out basic block when not
18091 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18092 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18093 Fixed to properly delete information if df is unused before
18096 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18098 PR rtl-optimization/25799
18099 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18100 Corrected confluence operator to remove bits from op2 before oring
18101 with op1 rather than removing bits from op1.
18102 (df_ru_transfer_function): Corrected test on wrong bitmap which
18103 caused infinite loop. Both of these problems were introduced in
18104 the dataflow rewrite.
18106 2006-01-19 DJ Delorie <dj@redhat.com>
18108 * reload1.c (find_reload_regs): Note the details of reload
18109 failures in the dump file.
18110 (spill_failure): Likewise.
18112 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18114 * loop-iv.c: Include df.h and hashtab.h.
18115 (enum iv_grd_result): New enum.
18116 (DF_REF_IV, DF_REF_IV_SET): New macros.
18117 (struct biv_entry): New.
18118 (df, bivs): New global variables.
18119 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18120 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18122 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18123 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18124 analyzed_for_bivness_p, record_biv): New functions.
18125 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18126 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18127 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18129 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18131 (iv_number_of_iterations): Use new interface to iv analysis.
18132 * loop-unroll.c: Do not include varray.h.
18133 (analyze_iv_to_split_insn): Use new interface to iv
18135 * loop-unswitch.c (may_unswitch_on): Ditto.
18136 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18138 (df_bb_modify): Realloc tables to the new index.
18139 (df_find_use): New function.
18140 * df.h (df_find_use): Declare.
18141 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18143 * cfgloop.h (struct rtx_iv): Remove analysed field.
18144 (iv_get_reaching_def): Removed.
18145 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18146 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18147 (loop-iv.o): Add df.h and hashtab.h dependency.
18148 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18150 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18153 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18155 (__floatundisf, __floatundidf): Likewise.
18156 * libgcc2.h (IS_IBM_EXTENDED): Define.
18158 2006-01-19 DJ Delorie <dj@redhat.com>
18160 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18162 2006-01-19 Paul Brook <paul@codesourcery.com>
18164 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18165 as nothrow when unwinding tables are disabled.
18167 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18170 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18171 of bit-field" when in system header.
18173 2006-01-19 DJ Delorie <dj@redhat.com>
18175 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18176 the 16 bit shift limit of the m16c.
18178 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18181 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18182 * config/i386/i386.c (output_set_got): Output the label if we have one
18183 for the TARGET_DEEP_BRANCH_PREDICTION case.
18185 2006-01-19 Jan Hubicka <jh@suse.cz>
18186 H.J. Lu <hongjiu.lu@intel.com>
18187 Evandro Menezes <evandro.menezes@amd.com>
18189 * invoke.texi (generic): Document
18191 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18192 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18193 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18194 (x86_use_incdec, x86_pad_returns): New variables
18195 (TARGET_CPU_DEFAULT_generic): New constant
18196 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18197 (enum processor_type): Add generic32 and generic64.
18198 * i386.md (cpu attribute): Add generic32/generic64
18199 (movhi splitter): Behave sanely when both partial_reg_dependency and
18200 partial_reg_stall are set.
18201 (K8 splitters): Enable for generic as well.
18202 * predicates.md (incdec_operand): Use TARGET_INCDEC
18203 (aligned_operand): Avoid memory mismatch stalls.
18204 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18205 * ppro.md: Enable for generic32
18206 * i386.c (generic64_cost, generic32_cost): New.
18207 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18208 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18209 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18210 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18211 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18212 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18213 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18214 x86_accumulate_outgoing_args, x86_prologue_using_move,
18215 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18216 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18217 Enable for generic.
18218 (x86_use_incdec, x86_pad_returns): New.
18219 (override_options): Add generic32 and generic64, translate "generic"
18220 to generic32/generic64 and "i686" to "generic32", refuse
18221 "generic32"/"generic64" as arch target.
18222 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18223 (ix86_reorg): Honor PAD_RETURNS.
18225 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18227 * tree-pretty-print.c (dump_generic_node): Handle
18228 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18229 * cgraph.c (cgraph_expand_queue): Rename from
18230 cgraph_analyze_queue. Update all users.
18231 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18232 cgraph_expand_queue.
18233 (cgraph_expand_all_functions): Likewise.
18234 (cgraph_finalize_pending_functions): Remove. Update callers.
18236 * tree.h (OMP_DIRECTIVE_P): Define.
18237 (OMP_PARALLEL_FN): Define.
18238 (OMP_PARALLEL_DATA_ARG): Define.
18239 (OMP_SECTIONS_SECTIONS): Define.
18240 * tree-pass.h (pass_expand_omp): Declare.
18241 * omp-low.c (struct omp_region): Declare.
18242 (struct omp_context): Remove fields 'parallel_type',
18243 'parallel_start_ix' and 'parallel_start_additional_args'.
18245 (struct omp_for_data): Rename from struct expand_omp_for_data.
18246 (omp_regions): New static variable.
18247 (root_omp_region): New static variable.
18248 (find_omp_clause): Make static.
18249 (is_in_combined_parallel_ctx): Remove.
18250 (is_combined_parallel): New.
18251 (extract_omp_for_data): Move earlier in the file.
18252 (workshare_safe_to_combine_p): New.
18253 (get_ws_args_for): New.
18254 (determine_parallel_type): Move earlier in the file.
18255 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18257 (omp_copy_decl): Likewise.
18258 (create_omp_child_function): Likewise.
18259 (lookup_omp_region): New.
18260 (dump_omp_region): New.
18261 (debug_omp_region): New.
18262 (debug_all_omp_regions): New.
18263 (new_omp_region): New.
18264 (scan_omp_parallel): If parallel_nesting_level > 1, the
18265 directive is nested within another parallel directive.
18266 Set OMP_PARALLEL_FN.
18267 (scan_omp_for): Do not try to handle combined parallel+for
18269 Remove FIXME comment.
18270 (scan_omp_nested): Remove.
18271 (scan_omp_1): Do not call scan_omp_nested when
18272 parallel_nesting_level is > 1.
18273 Do not change the DECL_CONTEXT of local variables found.
18274 (lookup_decl_in_outer_ctx): New.
18275 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18276 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18277 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18278 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18279 If CTX is nested, lookup VAR in the outer context when
18280 building copy assignment.
18281 (lower_send_clauses): Rename from expand_send_clauses.
18282 If CTX is nested, lookup VAR in the outer context when
18283 building copy assignments.
18284 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18285 If CTX is nested, lookup VAR in the outer context when
18286 building copy assignments.
18287 (expand_parallel_call): Rename from build_parallel_call.
18288 Handle combined parallel+workshare cases.
18289 Re-implement to emit code into the CFG.
18291 (expand_omp_parallel): Re-implement to emit code into the CFG.
18292 Call move_sese_region_to_fn to outline the sub-graph
18293 containing the parallel region.
18294 (expand_omp_for_1): Remove.
18295 (expand_omp_for_generic): Re-implement to emit code into the
18297 (expand_omp_for_static_nochunk): Likewise.
18298 (expand_omp_for_static_chunk): Likewise.
18299 (expand_omp_for): Likewise.
18300 (expand_omp_sections): Likewise.
18301 (remove_exit_barriers): New.
18302 (expand_omp_synch): New.
18304 (build_omp_regions_1): New.
18305 (build_omp_regions): New.
18306 (execute_expand_omp): New.
18307 (gate_expand_omp): New.
18308 (pass_expand_omp): Define.
18309 (lower_omp_sections): Rename from expand_omp_sections.
18310 Set OMP_SECTIONS_SECTIONS.
18311 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18312 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18313 (lower_omp_single): Rename from expand_omp_simple.
18314 (lower_omp_master): Rename from expand_omp_master.
18315 (lower_omp_ordered): Rename from expand_omp_ordered.
18316 (lower_omp_critical): Rename from expand_omp_critical.
18317 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18318 (lower_omp_for): Re-implement.
18319 (lower_omp_parallel): Re-implement.
18320 (lower_regimplify): Rename from expand_regimplify.
18321 (lower_omp_1): Rename from expand_omp_1.
18322 If there are syntax errors in the program, replace every
18323 OpenMP directive with NOP.
18324 Call lower_omp_* instead of expand_omp_*.
18325 (lower_omp): Rename from expand_omp.
18327 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18328 * tree-gimple.h (enum omp_parallel_type): Remove.
18329 (gimple_boolify): Declare extern.
18330 (find_omp_clause, determine_parallel_type): Remove.
18332 * gimple-low.c (lower_omp_directive): New.
18333 (lower_stmt): Call it.
18334 (record_vars_into): Move from ...
18335 (record_vars): ... here.
18336 Call record_vars_into with current_function_decl.
18338 * gimplify.c (struct gimplify_ctx): Remove fields
18339 combined_pre_p and combined_ctxp. Update users.
18340 (get_formal_tmp_var): Add documentation.
18341 (gimple_boolify): Make extern.
18342 (gimplify_expr_in_ctx): Remove. Update callers.
18343 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18344 will always be a BIND_EXPR.
18345 (gimplify_expr): Handle OMP_RETURN_EXPR.
18346 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18347 (OMP_PARALLEL): Add 3 operands.
18348 (OMP_SECTIONS): Add 1 operand.
18349 (OMP_RETURN_EXPR): Define.
18351 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18352 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18353 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18354 creating a circular free list.
18355 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18357 * tree-flow.h (move_sese_region_to_fn): Declare.
18358 (record_vars_into): Declare.
18359 * tree-cfg.c (make_omp_sections_edges): New.
18360 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18361 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18362 OMP_SECTIONS and OMP_SECTION.
18363 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18364 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18365 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18366 (gather_blocks_in_sese_region): New.
18367 (struct move_stmt_d): Declare.
18368 (move_stmt_r): New.
18369 (move_block_to_fn): New.
18370 (move_sese_region_to_fn): New.
18372 * passes.c (init_optimization_passes): Schedule
18373 pass_expand_omp after pass_init_datastructures.
18375 * tree-ssa-operands.c (get_expr_operands): Handle
18376 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18377 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18379 2006-01-19 Jeff Law <law@redhat.com>
18381 * tree-vrp.c (extract_range_from_assert): Refine the result range
18382 if the variable referenced by the ASSERT_EXPR has a range and
18383 either the tentative result range or the previous range is a
18386 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18388 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18390 2006-01-19 Jan Hubicka <jh@suse.cz>
18392 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18394 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18396 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18397 (expand_compound_operation, expand_field_assignment): Fail if the
18398 bit lengths of an extract operation are out of range.
18399 (make_extraction): Compute wanted_inner_mode based on the position
18400 and length of the extraction. Make it extraction_mode for non-constant
18401 positions, and do not modify offset in that case. When generating a
18402 new MEM, use a mode that can hold the extraction while keeping correct
18403 alignment. Remove code that supported MEMs wrapped by USEs.
18404 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18406 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18408 * config/s390/s390.md ("Y", "y"): New mode attribute.
18409 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18410 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18411 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18412 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18413 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18414 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18415 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18416 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18417 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18418 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18419 "addsi3", "subsi3"): Insn patterns removed.
18420 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18421 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18422 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18423 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18424 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18425 "*sub<mode>3_cconly2"): New insn patterns.
18426 ("addsi3", "subsi3"): New expanders.
18428 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18430 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18431 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18432 existing STMT_VINFO_VECTYPE if available.
18433 (vect_mark_relevant): Add special handling for stmts that are
18434 marked as STMT_VINFO_IN_PATTERN_P.
18435 (vect_analyze_loop): Call vect_pattern_recog.
18436 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18437 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18439 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18440 (vect_recog_func_ptr): New function-pointer type.
18441 * tree-vect-patterns.c: New file.
18442 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18443 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18444 (vect_pattern_recog_1): New functions.
18445 (vect_pattern_recog_funcs): New array of function pointers.
18447 * tree-vectorizer.h (ternary_op): New enum value.
18448 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18449 declaration. Revised documentation. Removed redundant dump prints.
18450 Removed redundant argument. Added support for reduction patterns.
18451 (vectorizable_reduction): Added support for reduction patterns.
18452 (vect_transform_stmt): Added support for patterns.
18454 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18455 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18456 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18457 (expand_widen_pattern_expr): New function.
18458 (init_optabs): Initialize new optabs udot_prod_optab,
18460 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18461 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18462 (expand_widen_pattern_expr): New function declaration.
18463 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18465 * tree-inline.c (estimate_num_insns_1): Added cases for new
18466 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18467 * tree-pretty-print.c (dump_generic_node): Likewise.
18468 (op_prio): Likewise.
18469 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18470 * tree-ssa-operands.c (get_expr_operands): Added case for
18472 * tree-vect-patterns.c (widened_name_p): New function.
18473 (vect_recog_dot_prod_pattern): Added function implementation.
18474 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18475 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18476 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18477 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18479 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18480 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18481 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18482 (init_optabs): Initialize new optabs widen_ssum_optab,
18484 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18485 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18486 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18487 use instead of type of def.
18488 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18489 function implementation.
18490 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18491 widen_ssumv8hi): New.
18493 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18496 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18499 * c-decl.c (add_flexible_array_elts_to_size): New function.
18500 (finish_decl): Use it.
18502 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18504 * diagnostic.h: Include options.h.
18505 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18506 dependancies for diagnostic.h.
18507 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18509 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18511 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18512 (ssa_ro_call_cache_valid): Ditto.
18513 * tree-ssa-alias.c (sort_tags_by_id): New function.
18514 (init_transitive_clobber_worklist): Ditto.
18515 (add_to_worklist): Ditto.
18516 (mark_aliases_call_clobbered): Ditto.
18517 (compute_tag_properties): Ditto.
18518 (set_initial_properties): Ditto.
18519 (compute_call_clobbered): Ditto.
18520 (compute_may_aliases): Call compute_call_clobbered and grouping.
18521 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18522 (compute_flow_insensitive_aliasing): Grouping now happens in our
18524 (setup_pointers_and_addressables): Remove clobbering related code.
18525 (add_may_alias): Ditto.
18526 (replace_may_alias): Ditto.
18527 (get_nmt_for): Ditto.
18528 (create_global_var):
18529 (is_escape_site): Return an escape_type enumeration.
18530 * tree-flow-inline.h (is_call_clobbered): Global var does not
18531 imply call clobbered.
18532 (mark_call_clobbered): Take a reason for marking this. Remove
18533 marking of globalness, and cache invalidation.
18534 (clear_call_clobbered): Remove cache invalidation code.
18535 * tree-dfa.c (dump_variable): If details is on, dump the reason
18537 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18539 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18540 (struct var_ann_d): Ditto.
18541 (enum escape_type): New.
18542 (mark_call_clobbered): Adjust prototype.
18543 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18544 are never call clobbered.
18545 Record reasons for escaping.
18546 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18547 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18548 (ssa_ro_call_cache_valid): Ditto.
18549 (clobbered_v_may_defs): Ditto.
18550 (clobbered_vuses): Ditto.
18551 (ro_call_vuses): Ditto.
18552 (clobber_stats): New.
18553 (init_ssa_operands): Zero out clobber stats.
18554 (fini_ssa_operands): Print out clobber stats.
18555 (get_call_expr_operands): Pass callee fndecl to
18556 add_call_read_ops).
18557 (add_call_clobber_ops): Remove use of cache.
18558 Add use of PURE_CONST information.
18559 (add_call_read_ops): Remove use of cache.
18560 Add use of static not_read information.
18562 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18564 Introduce TLS descriptors for i386 and x86_64.
18565 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18566 (TARGET_ANY_GNU_TLS): New macro.
18567 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18568 (struct machine_function): Add tls_descriptor_call_expanded_p.
18569 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18570 (ix86_current_function_calls_tls_descriptor): Likewise.
18571 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18572 (override_options): Introduce gnu2 tls dialect.
18573 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18575 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18577 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18578 (ix86_init_machine_status): Initialize new field.
18579 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18580 (ix86_tls_module_base): New.
18581 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18582 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18583 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18584 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18585 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18586 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18587 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18588 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18589 * config/i386/predicates.md (tls_modbase_operand): New.
18590 (tp_or_register_operand): New.
18592 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18594 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18595 (look_for_address_of): Ditto.
18596 (ipa_init): Walk the function decls.
18597 (static_execute): Don't set readonly on FUNCTION_DECL's.
18599 2006-01-18 Roger Sayle <roger@eyesopen.com>
18601 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18602 for shifts where the source and destination registers are different.
18604 2006-01-18 Paul Brook <paul@codesourcery.com>
18606 Merge from csl-arm-branch.
18607 2005-03-14 Julian Brown <julian@codesourcery.com>
18608 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18609 (aeabi_llsl): Likewise.
18610 (ashrdi3): Likewise.
18611 (aeabi_lasr): Likewise.
18612 (lshrdi3): Likewise.
18613 (aeabi_llsr): Likewise.
18614 2005-03-10 Julian Brown <julian@codesourcery.com>
18615 * config.gcc: Disable shared libgcc for SymbianOS.
18616 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18618 2006-01-18 DJ Delorie <dj@redhat.com>
18620 * c-pragma.c (handle_pragma_diagnostic): New.
18621 (init_pragma): Register it.
18622 * doc/extend.texi: Document it.
18624 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18625 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18626 (diagnostic_context): Add classify_diagnostic[].
18627 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18628 as errors if they're overridden to DK_WARNING.
18629 (diagnostic_initialize): Initialize classify_diagnostic[].
18630 (diagnostic_set_kind_override): New.
18631 (diagnostic_report_diagnostic): Check for kind changes.
18632 * opts.c (common_handle_option): Take lang_mask. Update callers.
18633 Handle OPT_Werror_.
18634 * common.opt (Werror=): New.
18635 * doc/invoke.texi: Document -Werror=*
18637 2006-01-18 Jeff Law <law@redhat.com>
18639 * tree-vrp.c (test_for_singularity): Correct test for new
18640 min limit. Use operand_equal_p rather than pointer equality
18641 for testing if new min/max values are equal.
18643 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18644 using range information until after propagation and folding.
18646 2006-01-18 Richard Henderson <rth@redhat.com>
18647 Aldy Hernandez <aldyh@redhat.com>
18648 Jakub Jelinek <jakub@redhat.com>
18649 Diego Novillo <dnovillo@redhat.com>
18651 * omp-low.c: New file.
18652 * c-omp.c: New file.
18654 2006-01-18 Richard Henderson <rth@redhat.com>
18655 Jakub Jelinek <jakub@redhat.com>
18656 Diego Novillo <dnovillo@redhat.com>
18658 * doc/invoke.texi: Document -fopenmp.
18659 * tree-dump.h (debug_function): Declare.
18660 * hooks.c (hook_bool_tree_bool_false): New function.
18661 (hook_tree_tree_null): Remove.
18662 (hook_tree_tree_tree_null): New.
18663 * hooks.h: Update to match.
18664 * tree-pretty-print.c (debug_tree_chain): New.
18665 (print_generic_expr): Handle TDF_CHAIN.
18666 (dump_generic_node): Handle BLOCK.
18667 Do not abort with incomplete SWITCH_EXPRs.
18668 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18669 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18670 print space after directive name.
18671 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18672 Handle OMP_MASTER and OMP_ORDERED.
18673 Handle printing of OMP_BODY just in one place, goto
18674 dump_omp_body in the rest of OMP_* nodes that have
18676 Don't handle clause nodes here. Update omp statements to
18677 use dump_omp_clauses.
18678 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18679 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18680 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18681 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18682 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18683 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18684 Adjust output for GOMP_PARALLEL.
18685 (dump_omp_clauses): New.
18686 (print_declaration): Dump DECL_VALUE_EXPR.
18687 (op_symbol_1): Split out of op_symbol.
18688 (dumping_stmts): Remove. Update all users.
18689 * cgraph.c (cgraph_analyze_queue): New.
18690 (cgraph_add_new_function): New.
18691 * cgraph.h (cgraph_analyze_queue): Declare.
18692 (cgraph_add_new_function): Declare.
18693 (cgraph_lower_function): Remove.
18694 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18695 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18696 and TYPE_P nodes in its default clause.
18697 (empty_body_p): New.
18698 (tree_range_check_failed): New.
18699 (build5_stat): New.
18700 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18701 OMP_CLAUSE_REDUCTION_MERGE,
18702 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18703 OMP_CLAUSE_PRIVATE_DEBUG,
18704 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18705 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18706 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18707 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18708 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18709 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18710 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18711 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18712 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18713 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18714 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18715 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18716 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18717 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18718 (TREE_RANGE_CHECK): New.
18719 (empty_body_p): Declare.
18720 (enum omp_clause_default_kind): New.
18721 (build_string_literal): Declare.
18722 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18723 (build5_stat, build5): Declare.
18724 * tree-pass.h (TDF_CHAIN): Define.
18725 * tree-pass.h (PROP_gimple_lomp): Define.
18726 (pass_lower_omp): Declare.
18727 * diagnostic.h (debug_tree_chain): Declare.
18728 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18730 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18731 * builtins.c (build_string_literal): Make extern.
18732 * gcc.c (include_spec_function): New.
18733 (static_spec_functions): Add it.
18734 (main): Move load of libgomp.spec ...
18735 (LINK_COMMAND_SPEC): ... here.
18736 (link_gomp_spec): New.
18737 (static_specs): Include it.
18738 (LINK_COMMAND_SPEC): Add link_gomp.
18739 (GOMP_SELF_SPECS): New.
18740 (driver_self_specs): Include it.
18741 (switch_matches): Don't mark inline.
18742 (main): Load libgomp.spec.
18743 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18744 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18745 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18746 * tree-gimple.h (enum omp_parallel): Declare.
18747 (determine_parallel_type): Declare.
18748 (omp_firstprivatize_variable): Declare.
18749 (omp_reduction_init): Declare.
18750 (diagnose_omp_structured_block_errors): Declare.
18751 (struct walk_stmt_info): Add want_return_expr.
18752 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18753 (find_omp_clause): Declare.
18754 (insert_field_into_struct): Declare.
18755 (struct walk_stmt_info): Move from tree-nested.c
18756 (walk_stmts): Declare.
18757 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18759 * cgraphunit.c (cgraph_lower_function): Make static.
18760 (cgraph_finalize_pending_functions): New.
18761 (cgraph_finalize_function): Call it.
18762 (cgraph_finalize_compilation_unit): Likewise.
18763 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18764 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18765 (BT_FN_UINT_UINT): New.
18766 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18767 DEF_FUNCTION_TYPE_VAR_4): Document.
18768 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18769 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18770 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18771 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18772 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18773 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18774 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18775 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18776 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18777 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18778 into separate files.
18779 (DEF_GOMP_BUILTIN): New.
18780 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18781 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18782 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18783 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18784 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18785 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18786 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18787 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18788 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18789 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18790 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18791 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18792 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18793 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18794 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18795 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18796 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18797 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18798 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18799 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18800 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18801 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18802 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18803 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18804 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18805 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18806 * sync-builtins.def: New file, moved from builtins.def.
18807 * omp-builtins.def: New file, moved from builtins.def.
18808 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18809 * gimple-low.c (lower_function_body): Clear data.
18810 (lower_stmt): Do not handle COMPOUND_EXPR.
18811 Remove call to print_node_brief.
18812 * c-tree.h (c_finish_omp_clauses): New prototype.
18813 (C_DECL_THREADPRIVATE_P): Define.
18814 (lookup_name_no_remap, c_omp_remap_private): Remove
18815 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18816 (check_for_loop_decls): Update decl.
18817 (lookup_name_no_remap, c_omp_remap_private): Declare.
18818 (build_indirect_ref, build_modify_expr, pushdecl,
18819 pushdecl_top_level): Move to c-common.h.
18820 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18821 before the switch, but just in the 2 places that need it.
18822 * c-decl.c (diagnose_mismatched_decls): Do not check for
18823 mismatched thread-local attributes when OLDDECL is marked
18824 threadprivate and NEWDECL has no thread-local attributes.
18825 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18826 (c_gimple_diagnostics_recursively): Rename from
18827 c_warn_unused_result_recursively. Invoke
18828 diagnose_omp_structured_block_errors.
18829 (check_for_loop_decls): Return a singular decl found.
18830 * langhooks.c (lhd_omp_predetermined_sharing): Return
18831 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18832 (lhd_omp_firstprivatize_type_sizes): New.
18833 (lhd_omp_assignment): New.
18834 (lhd_omp_predetermined_sharing): New.
18835 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18836 (struct lang_hooks_for_types): Add
18837 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18838 omp_predetermined_sharing, omp_disregard_value_expr,
18839 omp_private_debug_clause, omp_clause_default_ctor,
18840 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18841 (c_finish_omp_clauses): New.
18842 (c_finish_bc_stmt): Diagnose break within omp for.
18843 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18844 (build_unary_op): Return error_mark after reporting
18846 (build_modify_expr): Likewise.
18847 * gimplify.c: Include optabs.h and pointer-set.h.
18848 (enum gimplify_omp_var_data): Declare.
18849 (struct gimplify_omp_ctx): Declare.
18850 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18852 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18853 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18854 (splay_tree_compare_decl_uid): New.
18855 (new_omp_context): New.
18856 (delete_omp_context): New.
18857 (gimple_add_tmp_var): Call omp_add_variable.
18858 (gimplify_bind_expr): Likewise.
18859 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18860 true, disregard DECL_VALUE_EXPR on the decl if any.
18861 (gimplify_expr_in_ctx): New.
18862 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18863 omp_add_variable, omp_notice_variable, omp_is_private
18864 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18865 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18866 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18867 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18868 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18869 gimplify_omp_atomic): New.
18870 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18871 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18872 OMP_CRITICAL and OMP_ATOMIC.
18873 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18874 * c-pragma.h (enum pragma_kind): Add
18875 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18876 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18877 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18878 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18879 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18880 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18881 PRAGMA_OMP_THREADPRIVATE.
18882 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18883 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18884 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18885 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18886 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18887 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18888 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18889 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18890 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18891 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18892 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18893 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18894 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18896 (struct nesting_info): Add field_map,
18897 suppress_expansion, debug_var_chain.
18898 (create_nesting_tree): Initialize them.
18899 (lookup_field_for_decl): Use field_map.
18900 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18901 (convert_local_omp_clauses): New.
18902 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18903 (walk_body): Split out of walk_function.
18904 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18905 (convert_nonlocal_reference): Handle omp statements.
18906 (convert_local_reference): Likewise.
18907 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18908 (unnest_nesting_tree): New.
18909 (lower_nested_functions): Call it.
18910 (insert_field_into_struct): Make extern.
18911 (struct walk_stmt_info): Move to tree-gimple.h.
18912 (walk_stmts): Make extern.
18913 * omp-builtins.def: New file.
18914 * tree-iterator.c (expr_only): Clarify comment.
18915 * c-common.h (pushdecl_top_level, pushdecl,
18916 build_modify_expr, build_indirect_ref,
18917 c_finish_omp_master, c_finish_omp_critical,
18918 c_finish_omp_ordered, c_finish_omp_barrier,
18919 c_finish_omp_atomic, c_finish_omp_flush,
18920 c_finish_omp_for, c_split_parallel_clauses,
18921 omp_clause_default_kind, c_omp_sharing_predetermined,
18922 c_omp_remap_decl): Declare.
18923 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18924 (OBJS-common): Add omp-low.o.
18925 (c-omp.o, omp-low.o): Add.
18926 (gimplify.o): Add dependency on $(OPTABS_H).
18927 (GTFILES): Add omp-low.c.
18928 (gt-stringpool.h): Add.
18929 * tree-cfg.c (set_bb_for_stmt): Do not update the
18930 block-to-labels map if we are currently expanding to RTL.
18931 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18933 Handle IDENTIFIER_NODE.
18934 (tree_verify_flow_info): Do not ICE when emitting error
18935 messages about invalid labels.
18936 (dump_function_to_file): Reset CFUN before emitting the body
18938 (debug_function): New.
18939 * passes.c (init_optimization_passes): Schedule
18941 * langhooks-def.h (lhd_omp_predetermined_sharing,
18942 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18944 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18945 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18946 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18947 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18948 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18949 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18950 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18951 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18952 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18953 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18954 (LANG_HOOK_DECLS): Use them.
18956 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18957 Richard Henderson <rth@redhat.com>
18958 Jakub Jelinek <jakub@redhat.com>
18959 Diego Novillo <dnovillo@redhat.com>
18961 * c-parser.c (pragma_omp_clause): Define.
18962 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18963 (c_parser_compound_statement): Likewise.
18964 (c_parser_statement): Likewise.
18965 (c_parser_pragma): Handle omp pragmas.
18966 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18967 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18968 (c_parser_omp_clause_name, check_no_duplicate_clause,
18969 c_parser_omp_variable_list,
18970 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18971 c_parser_omp_clause_copyprivate,
18972 c_parser_omp_clause_default,
18973 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18974 c_parser_omp_clause_lastprivate,
18975 c_parser_omp_clause_nowait,
18976 c_parser_omp_clause_num_threads,
18977 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18978 c_parser_omp_clause_reduction,
18979 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18980 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18981 c_parser_omp_atomic, c_parser_omp_barrier,
18982 c_parser_omp_critical, c_parser_omp_flush,
18983 c_parser_omp_for_loop, c_parser_omp_for,
18984 c_parser_omp_master, c_parser_omp_ordered,
18985 c_parser_omp_sections_scope, c_parser_omp_sections,
18986 c_parser_omp_parallel, c_parser_omp_single,
18987 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18988 * c-pragma.c (init_pragma): Do omp pragma registration here.
18989 * c.opt (fopenmp): New flag.
18991 2006-01-18 Eric Christopher <echristo@apple.com>
18993 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18994 * config/darwin.h (GOMP_SELF_SPECS): Define.
18996 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18998 * rtl.h: Remove the prototype for reg_alloc.
19000 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19003 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19004 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19005 sjlj and dwarf2 exception handling.
19006 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19007 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19008 * pa/pa.c (function_value): Treat complex and vector types as
19010 (function_arg): Likewise. Only pass scalar floats in the floating
19011 point argument registers.
19012 * pa/t-slibgcc-dwarf-ver: New file.
19013 * pa/t-slibgcc-sjlj-ver: New file.
19014 * pa/t-slibgcc-elf-ver: Delete file.
19016 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19018 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19019 unlikely_test_section_p test.
19021 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19023 * mode-switching.c (optimize_mode_switching): Make it static.
19024 * basic-block.h: Remove the prototype for
19025 optimize_mode_switching.
19027 * modulo-sched.c (sms_schedule): Make it static.
19028 * rtl.h: Remove the prototype for sms_schedule.
19030 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19031 * rtl.h: Remove the prototype for gcse_after_reload_main.
19033 * reg-stack.c (reg_to_stack): Make it static.
19034 * rtl.h: Remove the prototype for reg_to_stack.
19036 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19038 * rtl.h: Remove the prototypes for regrename_optimize and
19039 copyprop_hardreg_forward.
19041 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19043 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19044 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19045 Test against the appropriate null constant for the mode.
19046 If 'fixup_overlap' is true, swap the operands if they overlap.
19047 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19048 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19049 alpha_split_tmode_pair and adjust for above change.
19050 * config/alpha/alpha.md (movtf_internal): Adjust call to
19051 alpha_split_tfmode_pair and rely on it to swap the operands.
19052 (movti_internal): New insn and post-reload splitter.
19053 (movti): New expander.
19055 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19057 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19060 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19062 * rtlanal.c (global_reg_mentioned_p_1,
19063 global_reg_mentioned_p): Remove.
19064 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19066 * flow.c (initialize_uninitialized_subregs): Make it static.
19067 * rtl.h: Remove the prototype for
19068 initialize_uninitialized_subregs.
19070 * function.c (instantiate_virtual_regs): Make it static.
19071 * function.h: Remove the prototype for
19072 instantiate_virtual_regs.
19074 * regmove.c (regmove_optimize, combine_stack_adjustments):
19076 * rtl.h: Remove the prototypes for regmove_optimize and
19077 combine_stack_adjustments.
19079 2006-01-17 Roger Sayle <roger@eyesopen.com>
19081 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19082 (size_cost): Encode costs in bytes so that a reg-reg addition is
19083 equivalent to COSTS_N_INSNS(1).
19084 (override_options): Use the size_cost.branch_cost as the default
19085 ix86_branch_cost when optimizing for size.
19087 2006-01-18 Ben Elliston <bje@au.ibm.com>
19089 * Makefile.in (D32PBIT_FUNCS): New.
19090 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19091 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19092 D64PBIT_FUNCS and D128PBIT_FUNCS.
19093 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19094 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19096 (decnumber_dep): Define.
19097 * doc/libgcc.texi (Decimal float library routines): New node.
19098 * config/dfp-bit.h, config/dfp-bit.c: New files.
19100 2006-01-18 Ben Elliston <bje@au.ibm.com>
19102 * expr.c (emit_move_change_mode): Always adjust addresses, not
19103 just during reload. Copy replacements only during reload.
19104 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19105 emit_move_via_integer.
19107 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19109 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19110 instead of $(srcdir) and ${srcdir}.
19112 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19115 PR middle-end/11135
19116 * arm.h (struct machine_function): Add pic_reg.
19117 * arm.c (arm_pic_register): Make unsigned.
19118 (arm_override_options): Only set arm_pic_register if
19119 TARGET_SINGLE_PIC_BASE.
19120 (use_return_insn): Only test for a pic register if it is fixed.
19121 (arm_compute_save_reg0_reg12_mask): Likewise.
19122 (thumb_compute_save_reg_mask): Likewise.
19123 (legitimate_pic_operand): Factor out some known invariants.
19124 (legitimize_pic_address): If we don't have a fixed pic register,
19125 then set up a pseudo in the function entry sequence. Handle the
19126 pic base being in a pseudo.
19127 (arm_load_pic_register): Handle the pic register being in a pseudo.
19128 (arm_expand_prologue): Only set up the pic register if it is fixed.
19129 (thumb_expand_prologue): Likewise.
19130 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19131 (pic_load_addr_based_insn): Likewise.
19132 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19135 2006-01-18 Ben Elliston <bje@au.ibm.com>
19137 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19138 decimal float modes for all floating point registers.
19140 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19141 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19143 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19146 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19147 even when the pointer is not NULL.
19149 2006-01-16 Ian Lance Taylor <ian@airs.com>
19151 * common.opt (ftoplevel-reorder): New option.
19152 * cgraph.c (cgraph_asm_nodes): New global variable.
19153 (cgraph_asm_last_node): New static variable.
19154 (cgraph_order): New global variable.
19155 (cgraph_create_node): Set new order field.
19156 (cgraph_varpool_node): Likewise.
19157 (decide_is_variable_needed): Return true if not
19158 flag_toplevel_reorder.
19159 (cgraph_add_asm_node): New function.
19160 * cgraph.h (struct cgraph_node): Add order field.
19161 (struct cgraph_varpool_node): Add order field.
19162 (struct cgraph_asm_node): Define.
19163 (cgraph_asm_nodes, cgraph_order): Declare.
19164 (cgraph_add_asm_node): Declare.
19165 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19167 (cgraph_varpool_assemble_pending_decls): Call it.
19168 (cgraph_output_pending_asms): New static function.
19169 (cgraph_finalize_compilation_unit): Call it.
19170 (struct cgraph_order_sort): Define.
19171 (cgraph_output_in_order): New static function.
19172 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19173 !flag_toplevel_reorder case.
19174 * c-parser.c: Include "cgraph.h".
19175 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19177 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19178 than -fno-unit-at-a-time.
19179 * doc/invoke.texi (Option Summary): Mention
19180 -fno-toplevel-reorder.
19181 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19182 -funit-at-a-time documentation.
19184 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19185 Kazu Hirata <kazu@codesourcery.com>
19187 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19189 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19191 * Makefile.in (FUNCTION_H): New. Use it instead of
19192 function.h throughout the file.
19193 * function.h: Include tree.h.
19195 2006-01-17 Ben Elliston <bje@au.ibm.com>
19197 * recog.c: Separate some functions with whitespace.
19199 2006-01-16 Richard Henderson <rth@redhat.com>
19201 Merge from gomp branch:
19202 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19203 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19204 and rename from struct inline_data. Rename callee* to dst*;
19205 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19206 transform_new_cfg, transform_return_to_modify, and
19207 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19209 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19210 (copy_decl_for_dup): Remove.
19211 * tree-inline.c (struct inline_data): Move to header.
19212 (insert_decl_map): Export.
19213 (remap_decl): Update for member name changes. Use copy_decl hook.
19214 Allow for replacement to be a non-decl. Remove dead code.
19215 (remap_type_1): Check for existing mapping.
19216 (remap_type): Export.
19217 (remap_decls): Update for member name changes.
19218 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19219 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19220 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19221 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19222 (tree_function_versioning, build_duplicate_type): Likewise.
19223 (copy_body_r): Likewise. Export.
19224 (copy_decl_for_dup): Split into ...
19225 (copy_decl_for_dup_finish, copy_decl_to_var,
19226 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19227 (replace_ref_tree, inlining_p): Remove.
19229 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19231 * ifcvt.c (if_convert): Make it static.
19232 * rtl.h: Remove the prototype for if_convert.
19234 * local-alloc.c (local_alloc): Make it static.
19235 * rtl.h: Remove the prototype for local_alloc.
19237 * loop.c (loop_optimize): Make it static.
19238 * cfgloop.h: Remove the prototype for loop_optimize.
19241 2006-01-16 DJ Delorie <dj@redhat.com>
19243 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19246 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19248 * pa.md: Disparage copies between general and floating-point registers
19249 in 32-bit move patterns.
19251 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19254 * Makefile.in (check-%): Depend on site.exp instead of
19255 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19258 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19260 * global.c (global_alloc): Make it static.
19261 * rtl.h: Remove the prototype for global_alloc.
19263 2006-01-16 Richard Guenther <rguenther@suse.de>
19265 * tree-ssa-alias.c (struct used_part): Add write_only field.
19266 (get_or_create_used_part_for): Initialize it to true.
19267 (create_overlap_variables_for): Don't create structure variables
19268 for structures that only are written to.
19269 (find_used_portions): Handle MODIFY_EXPR to track whether a
19270 structure is only written to.
19272 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19274 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19276 * basic-block.h: Remove the prototype for
19277 partition_hot_cold_basic_blocks.
19279 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19281 * cppspec.c (lang_specific_spec_functions): Remove.
19282 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19283 * gcc.h (lang_specific_spec_functions): Remove.
19284 * gccspec.c (lang_specific_spec_functions): Remove.
19286 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19288 * combine.c (record_value_for_reg): Invalidate registers
19290 (record_dead_and_set_regs_1): Likewise, by passing them to
19291 record_value_for_reg.
19292 (record_dead_and_set_regs): Invalidate stores made by a
19293 call. We do not combine across a call, but we still
19294 relied on equivalences.
19296 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19298 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19299 vrp_int_const_binop returning non-constant nodes.
19301 2006-01-16 Paul Brook <paul@codesourcery.com>
19303 * config/m68k/m68k.c (output_move_const_into_data_reg):
19304 Output correct mnemonic for mvz and mvs.
19306 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19308 * rtl-factoring.c: Add sequence abstraction algorithm.
19309 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19310 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19312 (block_has_preserve_label): New function.
19313 * common.opt: Register new pass.
19314 * Makefile.in: Ditto.
19316 * timevar.def: Ditto.
19317 * tree-pass.h: Ditto.
19318 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19319 * rtl.h (make_jump_insn_raw): Add forward decl.
19320 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19322 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19323 Roger Sayle <roger@eyesopen.com>
19325 * fold-const.c (fold_minmax): New static function.
19326 (fold_binary) <MIN_EXPR>: Call it.
19327 <MAX_EXPR>: Likewise.
19328 * stor-layout.c (place_field): Use DECL_SIZE consistently
19329 in the computation of the new record size.
19331 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19333 * cse.c (cse_condition_code_reg): Make it static.
19334 * rtl.h: Remove the prototype for cse_condition_code_reg.
19336 * combine.c (combine_instructions): Make it static.
19337 * rtl.h: Remove the prototype for combine_instructions.
19339 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19342 * tree.c (get_file_function_name_long): Concatenate the first global
19343 object name with a string derived from the input filename of the object
19346 2006-01-16 Ben Elliston <bje@au.ibm.com>
19348 * config/i386/winnt-stubs.c: Update FSF address.
19349 * config/xtensa/ieee754-df.S: Ditto.
19350 * config/xtensa/ieee754-sf.S: Ditto.
19352 2006-01-14 Ian Lance Taylor <ian@airs.com>
19354 * ifcvt.c (noce_init_if_info): New static function, broken out of
19355 noce_process_if_block.
19356 (noce_process_if_block): Call noce_init_if_info.
19357 (check_cond_move_block): New static function.
19358 (cond_move_process_if_block): New static function.
19359 (process_if_block): Call cond_move_process_if_block.
19361 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19363 * cselib.c (hash_table): Rename to cselib_hash_table.
19364 (cselib_clear_table, discard_useless_values,
19365 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19366 cselib_init, cselib_finish): Adjust uses of hash_table.
19368 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19370 PR tree-optimization/25485
19371 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19372 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19373 is known to be false and true, respectively.
19375 2006-01-14 Richard Guenther <rguenther@suse.de>
19377 PR tree-optimization/22548
19378 PR tree-optimization/22555
19379 PR tree-optimization/22501
19380 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19381 * params.def (salias-max-array-elements): New parameter.
19382 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19383 * doc/invoke.texi (salias-max-array-elements): Document.
19384 * tree-flow-inline.h (var_can_have_subvars): We also handle
19386 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19388 * tree-ssa-structalias.c (params.h): Include.
19389 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19390 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19391 (get_constraint_for): For ADDR_EXPR operating on something
19392 containing an ARRAY_REF, add all subvars to the solution.
19393 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19394 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19395 for creating MUST_DEFs.
19396 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19398 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19400 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19402 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19403 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19404 number_of_iterations_le): New functions.
19405 (number_of_iterations_special): Removed.
19406 (number_of_iterations_exit): Do not use number_of_iterations_special.
19407 * tree.c (unsigned_type_for): Always return integer type.
19409 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19410 Richard Guenther <rguenther@suse.de>
19412 PR rtl-optimization/24257
19413 * gcse.c (find_moveable_store): Only consider a store movable
19414 when the SET_SRC of the insn can be assigned to a register.
19416 2006-01-14 Ian Lance Taylor <ian@airs.com>
19418 * tree.c (tree_not_class_check_failed): New function.
19419 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19420 (tree_not_class_check_failed): Declare.
19422 2006-01-13 Ian Lance Taylor <ian@airs.com>
19424 * reload1.c (do_output_reload): Add assertion rejecting a
19427 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19429 * combine.c (struct reg_stat): Add new fields truncation_label and
19431 (record_value_for_reg): Reset truncated_to_mode.
19432 (record_truncated_value): New function.
19433 (check_promoted_subreg): Call it. Rename to check_conversions.
19434 (combine_instructions): Rename check_promoted_subreg to
19436 (reg_truncated_to_mode): New function.
19437 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19438 (gen_lowpart_or_truncate): New function.
19439 (force_to_mode): Use it instead of gen_lowpart.
19441 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19443 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19444 VAR is a tag, not its type tag.
19446 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19448 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19449 alternatives to match style of other entries.
19450 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19452 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19454 PR tree-optimization/25771
19455 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19458 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19461 * tree-inline.c (declare_return_variable): If the return variable
19462 was marked as a non gimple complex, set the return slot variable
19463 to be a non gimple comple variable.
19465 2006-01-13 Richard Guenther <rguenther@suse.de>
19467 * builtins.c (expand_builtin_sincos): New function.
19468 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19470 (expand_builtin): Expand sincos using expand_builtin_sincos.
19472 2006-01-12 DJ Delorie <dj@redhat.com>
19474 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19475 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19476 so that constant shifts can be split.
19477 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19478 (m32c_valid_pointer_mode): Make static.
19479 (shift_gen_func_for): New.
19480 (m32c_prepare_shift): Use it. Split large const shifts into
19482 * config/m32c/predicates.md (shiftcount_operand): Allow more
19484 (longshiftcount_operand): New.
19485 * doc/md.texi (Machine Constraints): Document In6.
19487 2006-01-13 Ben Elliston <bje@au.ibm.com>
19489 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19490 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19493 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19495 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19496 to try to avoid clobbering pieces of structures when we know
19497 something about the whole structure.
19498 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19500 2006-01-13 Ben Elliston <bje@au.ibm.com>
19502 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19503 return in memory, as this is no limitation is no longer present.
19505 2006-01-12 DJ Delorie <dj@redhat.com>
19507 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19508 mova with fb, and for fb+0 -> An.
19510 * config/m32c/mov.md (peephole2): Fix enabling logic.
19512 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19513 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19514 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19515 FINI_ARRAY_SECTION_ASM_OP): Define.
19517 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19519 (m32c_legitimize_reload_address): New logic to reload FB to An.
19520 (m32c_output_reg_push): Add newline.
19521 (m32c_output_reg_pop): Likewise.
19523 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19525 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19527 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19529 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19531 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19533 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19536 2006-01-11 Ben Elliston <bje@au.ibm.com>
19538 * rtlanal.c (find_reg_note): Assert insn is not null.
19540 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19542 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19545 2006-01-11 Jeff Law <law@redhat.com>
19547 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19549 (mark_threaded_blocks, register_jump_thread): New functions.
19550 (thread_through_all_blocks): Remove unwanted argument. No
19551 longer rely on e->aux to communicate thread target info.
19552 Call mark_threaded_blocks. Release the threaded_blocks
19553 bitmap and threaded_edges vector when complete.
19554 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19555 (threaded_blocks): Remove.
19556 (tree_ssa_dominator_optimize): Remove initialization and
19557 finalization of threaded_blocks. Simplify call to
19558 thread_through_all_blocks.
19559 (thread_across_edge): Call register_jump_thread rather than
19560 storing thread information into e->aux.
19561 (free_all_edge_infos): Simplify now that e->aux is no longer
19562 used to communicate with thread_through_all_blocks.
19563 * tree-flow.h (thread_through_all_blocks): Update prototype.
19564 (register_jump_thread): Prototype.
19566 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19568 * df-core.c (df_compact_blocks, df_bb_replace): Use
19569 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19571 2006-01-11 Richard Guenther <rguenther@suse.de>
19573 PR tree-optimization/25734
19574 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19575 stop propagation after successful propagation to the LHS.
19577 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19579 * basic-block.h (control_flow_graph): Change the type of
19580 x_basic_block_info to VEC(basic_block,gc) *.
19581 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19583 (SET_BASIC_BLOCK): New.
19584 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19585 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19586 * cfgbuild.c (find_basic_blocks): Likewise.
19587 * cfglayout.c (fixup_reorder_chain): Likewise.
19588 * cfgrtl.c (create_basic_block_structure,
19589 rtl_create_basic_block): Likewise.
19590 * ifcvt.c (find_if_case_1): Likewise.
19591 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19594 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19596 * Makefile.in: Removed rotted odf.c entry.
19598 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19601 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19602 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19603 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19604 output pattern modifier, not %e.
19605 * config/cris/cris.c (cris_op_str): Update comment about pattern
19607 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19608 before falling through into...
19609 <case 'E'>: Redefined from old 'e' case.
19611 2006-01-11 Jan Hubicka <jh@suse.cz>
19614 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19616 2006-01-11 Jan Hubicka <jh@suse.cz>
19618 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19619 * i386.c (x86_decompose_lea): Kill.
19620 (ix86_rtx_costs): Kill.
19622 2006-01-11 Jan Hubicka <jh@suse.cz>
19624 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19625 * cgraph.h (cgraph_node): Add inline_decl.
19626 (cgraph_insert_node_to_hashtable): Declare.
19627 (save_inline_function_body): Declare.
19628 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19630 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19631 (cgraph_function_versioning): Update call of tree_function_versioning.
19632 (save_inline_function_body): New function.
19633 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19634 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19635 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19636 (cgraph_default_inline_p): Likewise.
19637 (cgraph_decide_inlining_incrementally): Likewise.
19638 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19639 (copy_bb): Kill saving; do updating of clones.
19640 (copy_cfg_body): Kill saving.
19641 (initialize_inlined-parameters): Likewise.
19642 (expand_call_inline): Likewise.
19644 (tree_function_versioning): New parameter "update_clones".
19645 (inlining_p): Kill saving.
19646 * tree-inline.h (tree_function_versioning): Update prototype.
19647 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19650 2006-01-11 Ian Lance Taylor <ian@airs.com>
19652 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19653 Allow undoing set of machine mode.
19654 (do_SUBST): Use enums instead of is_int.
19655 (do_SUBST_MODE): New function.
19656 (SUBST_MODE): New macro.
19657 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19658 reg and trying to replace reg_regno_rtx with a new register.
19659 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19660 (simplify_set): Use SUBST_MODE.
19661 (distribute_notes): Remove code that tried to update reg notes
19662 for regno_reg_rtx changes.
19664 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19666 PR tree-optimization/23109
19667 PR tree-optimization/23948
19668 PR tree-optimization/24123
19670 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19671 * tree-cfg.c (single_noncomplex_succ): New.
19672 * tree-flow.h (single_noncomplex_succ): Declare it.
19673 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19674 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19675 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19676 insert_bb, register_division_in, insert_reciprocals,
19677 replace_reciprocal, free_bb): New.
19678 (execute_cse_reciprocals_1): Rewritten.
19679 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19680 Do not commit any edge insertion. Always compute dominators and
19681 create the allocation pool.
19682 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19683 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19684 * targhooks.c (default_min_divistions_for_recip_mul): New.
19685 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19686 * passes.c (init_optimization_passes): Run recip after tree loop
19688 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19690 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19691 Kenneth Zadeck <zadeck@naturalbridge.com>
19693 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19694 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19695 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19696 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19697 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19698 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19699 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19700 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19701 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19702 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19703 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19704 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19705 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19706 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19707 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19708 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19709 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19710 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19711 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19712 DF_SCAN_POST_ALLOC): New macros.
19713 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19714 df_free_bb_function, df_local_compute_function, df_init_function,
19715 df_dataflow_function, df_confluence_function_0,
19716 df_confluence_function_n, df_transfer_function,
19717 df_finalizer_function, df_free_function, df_dump_problem_function,
19718 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19719 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19720 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19721 df_urec_bb_info, ) New types.
19722 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19724 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19725 df_analyze_simple_change_some_blocks,
19726 df_analyze_simple_change_one_block, df_compact_blocks,
19727 df_bb_replace, df_bb_regno_last_use_find,
19728 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19729 df_insn_regno_def_p, df_find_def, df_find_use,
19730 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19731 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19732 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19733 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19734 debug_df_chain, df_get_dependent_problem, df_chain_create,
19735 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19736 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19737 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19738 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19739 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19740 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19741 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19742 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19743 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19744 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19745 df_reorganize_refs, df_set_state, df_hard_reg_init,
19746 df_read_modify_subreg_p) New public functions.
19747 * df-core.c: The core dataflow solver and glue routines for rtl
19749 (df_init, df_add_problem, df_set_blocks, df_finish,
19750 df_hybrid_search_forward, df_hybrid_search_backward,
19751 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19752 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19753 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19754 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19755 df_reg_defined, df_find_use, df_reg_used, df_dump,
19756 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19757 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19758 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19759 debug_df_useno, reset_df_after_reload): New functions.
19760 * df-scan.c: The scanning fuctions, once in df.c, completely
19761 rewritten so that they now fully model the functionality of
19762 register usage at the backend.
19763 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19764 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19765 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19766 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19767 df_get_artificial_defs, df_get_artificial_uses,
19768 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19769 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19770 df_refs_delete, df_reorganize_refs, df_set_state,
19771 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19772 df_def_record_1, df_defs_record, df_uses_record,
19773 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19774 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19775 df_record_exit_block_uses, df_hard_reg_init): New functions.
19777 * df-problems.c: Seven concrete dataflow problems that use the
19778 scanning in df-scan.c and are solved by the engine in df-core.c.
19779 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19780 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19781 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19782 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19783 df_ru_free_bb_info, df_ru_alloc,
19784 df_ru_bb_local_compute_process_def,
19785 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19786 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19787 df_ru_transfer_function, df_ru_free, df_ru_dump,
19788 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19789 df_rd_free_bb_info, df_rd_alloc,
19790 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19791 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19792 df_rd_transfer_function, df_rd_free, df_rd_dump,
19793 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19794 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19795 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19796 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19797 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19798 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19799 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19800 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19801 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19802 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19803 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19804 df_urec_mark_reg_use_for_earlyclobber,
19805 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19806 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19807 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19808 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19809 df_chain_create_bb_process_use, df_chain_create_bb,
19810 df_chain_finalize, df_chain_free, df_chains_dump,
19811 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19812 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19813 df_reg_lifetime): New functions.
19814 * df.c: Deleted file.
19815 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19816 consistent with new df api.
19817 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19818 rest_of_handle_sms): Ditto.
19819 * web.c (unionfind_union, union_defs, entry_register, web_main):
19821 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19822 invariant_expr_equal_p, find_defs, check_dependencies,
19823 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19824 free_inv_motion_data, move_loop_invariants): Ditto.
19825 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19826 Update dependencies.
19827 (odf.c): Added defective entry that was deleted later in day.
19828 * sched-deps.c (sched_analyze_1): Ditto.
19830 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19832 * tree-ssa-operands.c (get_expr_operands): Record addressable
19833 variables directly. Do not call add_stmt_operands for CONST_DECLs
19835 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19836 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19838 2006-01-11 Ben Elliston <bje@au.ibm.com>
19840 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19841 function returns true in the positive case.
19843 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19846 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19847 for SI, DI, SF and DF modes. Add alternatives to copy between
19848 general and floating point registers to the 32-bit patterns.
19849 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19850 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19851 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19852 generating 64-bit code.
19853 * config/pa/pa.c (output_move_double): Handle copies between general
19854 and floating registers.
19856 2006-01-10 Stuart Hastings <stuart@apple.com>
19858 * config/i386/i386.md (set_got): Update.
19859 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19860 (builtin_setjmp_receiver): Mach-O support.
19861 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19862 (GOT_SYMBOL_NAME): Define.
19863 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19864 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19865 * config/i386/i386.c (override_options): Revise for Darwin.
19866 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19867 support. (darwin_x86_file_end): New. (output_set_got): Add label
19868 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19869 * config/i386/i386-protos.h (output_set_got): Likewise.
19870 * config/darwin.c (machopic_legitimize_pic_address): Update
19873 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19875 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19876 when MODE isn't BLKmode.
19878 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19880 PR rtl-optimization/25367
19881 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19883 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19886 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19887 for a negative bound.
19889 2006-01-10 Richard Guenther <rguenther@suse.de>
19891 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19892 Never override with anything constraint.
19894 2006-01-10 Jan Beulich <jbeulich@novell.com>
19896 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19897 256 bits when optimize_size.
19899 2006-01-10 Jan Beulich <jbeulich@novell.com>
19901 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19903 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19904 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19907 2006-01-10 Ben Elliston <bje@au.ibm.com>
19909 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19911 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19912 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19913 (USE_FP_FOR_ARG): Reject decimal float modes.
19914 (function_arg_advance): Likewise.
19915 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19916 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19917 point types in AltiVec vectors.
19918 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19919 (rs6000_libcall_value): Likewise.
19921 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19923 * config/xtensa/ieee754-df.S: New file.
19924 * config/xtensa/ieee754-sf.S: New file.
19925 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19926 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19927 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19929 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19931 * config/sh/predicates.md (binary_float_operator,
19932 binary_logical_operator, commutative_float_operator,
19933 equality_comparison_operator, greater_comparison_operator,
19934 less_comparison_operator, logical_operator,
19935 noncommutative_float_operator, shift_operator,
19936 symbol_ref_operand, unary_float_operator): Remove redundant
19939 2006-01-09 Jeff Law <law@redhat.com>
19941 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19942 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19943 now unused arguments. Callers updated.
19944 (eliminate_redundant_computations): Remove now unused arguments,
19946 (local_fold): Remove, no longer used.
19947 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19949 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19950 (simplify_cond): New function.
19951 (forward_propagate_into_cond): Call simplify_cond.
19953 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19955 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19956 (*vec_extractv2di_1_sse): New.
19958 2006-01-09 Ben Elliston <bje@au.ibm.com>
19960 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19962 2006-01-08 Richard Guenther <rguenther@suse.de>
19964 * tree-ssa-structalias.c (get_constraint_for): Remove
19965 anyoffset argument.
19966 (get_constraint_for_component_ref): Likewise.
19967 (do_deref): Likewise.
19968 (get_constraint_for): Likewise.
19969 (do_structure_copy): Likewise.
19970 (handle_ptr_arith): Likewise.
19971 (find_func_aliases): Likewise. Remove unused need_anyoffset
19974 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19975 Kaz Kojima <kkojima@gcc.gnu.org>
19977 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19978 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19979 (EXTRA_CONSTRAINT_C16): Remove.
19980 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19981 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19982 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19983 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19984 constants of SHmedia. Handle nested constant expressions of
19986 (andcosts): Fix the costs for SHmedia constants.
19987 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19988 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19989 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19990 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19991 (movv4hi_i, movv2si_i): Likewise.
19992 (movsi_const): Adjust the second operand of ior so to match with
19993 the Csu constraint.
19994 (movdi_const, movdi_const_32bit): Likewise.
19995 (movdi_const_16bit+1): Don't sign-extend LOW.
19996 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19998 (*double_shori): Fix the split condition. Use GEN_INT instead
19999 of get_int_mode calls. Mask lower 16-bit of the argument of
20001 (sym2GOTPLT): Remove.
20002 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20004 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20005 instead of EXTRA_CONSTRAINT_C16.
20007 2006-01-07 Ian Lance Taylor <ian@airs.com>
20008 David Edelsohn <edelsohn@gnu.org>
20010 PR rtl-optimization/25662
20011 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20012 for constant operands instead of simplify_gen_binary.
20013 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20014 after trying simplify_binary_operation
20016 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20018 * tree.c (iterative_hash_expr): Hash decls based on UID.
20020 2006-01-06 Eric Christopher <echristo@apple.com>
20022 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20023 (TARGET_UNWIND_EMIT): Fix spelling.
20024 * target.h (gcc_target): Add except_table_label.
20025 * except.c (output_function_exception_table): Use.
20026 * varasm.c (default_emit_except_table_label): New.
20027 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20029 (asm_out): Add here.
20030 * output.h (default_emit_except_table_label): Prototype.
20031 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20032 * config/darwin.c (darwin_emit_except_table_label): Define.
20033 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20035 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20037 PR tree-optimization/18527
20038 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20039 number_of_iterations_special, number_of_iterations_exit):
20040 Move base and step of an iv to a single structure. Add
20041 no_overflow flag, and use it in # of iterations analysis.
20042 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20043 folded_casts argument.
20044 (simple_iv): Pass base and step in a structure. Set no_overflow
20046 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20047 Evaluate expensiveness of computing # of iterations instead of
20048 the final expression.
20049 * tree-scalar-evolution.h (affine_iv): New structure.
20050 (simple_iv): Declaration changed.
20051 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20052 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20053 find_givs_in_stmt): Changed due to simple_iv change.
20055 2006-01-06 Jeff Law <law@redhat.com>
20058 * tree-cfg.c (bsi_replace): Rename final argument from
20059 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20060 change (stmt -> orig_stmt).
20061 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20062 (bsi_remove): Add new argument. Remove EH information
20064 (verify_eh_throw_table_statements): New function.
20065 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20067 * tree-optimize.c (execute_free_cfg_annotations): Verify
20068 the EH throw statement table after removing annotations.
20069 * except.h (verify_eh_throw_table_statements): Prototype.
20070 * tree-flow.h (bsi_remove): Update prototype.
20071 * tree-vrp.c (remove_range_assertions): Add new argument to
20073 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20074 * tree-complex.c (expand_complex_div_wide): Likewise.
20075 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20076 * tree-tailcall.c (eliminate_tailcall): Likewise.
20077 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20078 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20079 * tree-nrv.c (tree_nrv): Likewise.
20080 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20081 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20082 (combine_blocks): Likewise.
20083 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20084 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20085 (cleanup_control_flow): Likewise.
20086 (remove_forwarder_block): Likewise.
20087 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20088 * tree-sra.c (sra_replace): Likewise.
20089 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20090 (forward_propagate_single_use_vars): Likewise.
20091 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20092 * tree-inline.c (expand_call_inline): Likewise.
20093 * tree-vect-transform.c (vect_transform_loop): Likewise.
20094 * tree-outof-ssa.c (rewrite_trees): Likewise.
20095 * tree-cfg.c (make_goto_expr_edges): Likewise.
20096 (cleanup_dead_labels): Likewise.
20097 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20098 (bsi_move_before, bsi_move_after): Likewise.
20099 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20100 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20102 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20105 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20107 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20108 on non gimple variables. Also add checks at the top for decls and
20110 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20112 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20113 and IMAGPART_EXPR for creating MUST_DEFs.
20114 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20115 and NAME_MEMORY_TAG separately from the DECLs.
20117 2006-01-06 Richard Guenther <rguenther@suse.de>
20119 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20120 annotation, if necessary.
20121 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20122 redundant calls to update_stmt.
20123 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20126 2006-01-05 Richard Henderson <rth@redhat.com>
20128 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20130 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20132 * c-typeck.c: Update copyright date.
20134 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20136 * c-typeck.c (build_c_cast): Always warn when casting
20137 from a pointer to an integer of different size, even if
20138 the node was constant.
20140 2006-01-05 Richard Guenther <rguenther@suse.de>
20142 PR tree-optimization/22555
20143 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20144 if one structure field is an array.
20145 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20146 operands even if we found a subvar, but ignore VOPs in this
20148 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20150 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20152 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20154 PR middle-end/24998
20155 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20157 2006-01-05 Richard Guenther <rguenther@suse.de>
20158 Diego Novillo <dnovillo@redhat.com>
20160 * tree-pass.h (TODO_remove_unused_locals): Define.
20161 * gimple-low.c (expand_var_p, remove_useless_vars,
20162 pass_remove_useless_vars): Remove. Update all users.
20163 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20164 (remove_unused_locals): New function.
20165 * tree-flow.h (remove_unused_locals): Declare.
20166 * passes.c (execute_todo): Call remove_unused_locals if
20167 TODO_remove_unused_locals is set.
20168 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20169 * tree-ssa-dce.c (pass_dce): Likewise.
20170 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20172 2006-01-05 Richard Guenther <rguenther@suse.de>
20174 * tree-flow.h (struct fieldoff): Decompose field to
20175 type, size and decl.
20176 * tree-ssa-alias.c (create_sft): Take type as parameter.
20177 (create_overlap_variables_for): Store type, size and decl
20178 in the fieldoff structure.
20179 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20180 of struct fieldoff.
20181 (push_fields_onto_fieldstack): Likewise.
20182 (create_variable_info_for): Likewise. Use offset for the
20183 SFT name if the decl is not available.
20185 2006-01-04 Paul Brook <paul@codesourcery.com>
20187 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20189 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20191 * lambda-code.c (can_put_in_inner_loop): Relax
20193 (can_put_after_inner_loop): New function.
20194 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20195 (perfect_nestify): Change to make copies and modify uses.
20197 2006-01-04 Richard Henderson <rth@redhat.com>
20199 Merge from gomp branch:
20200 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20201 via integer constant.
20202 (pragma_lex): Remove.
20203 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20204 rather than parsing it.
20205 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20206 handle_pragma_extern_prefix): Add %< %> quotes.
20207 (registered_pragmas): New.
20208 (c_register_pragma_1): New.
20209 (c_register_pragma): Use it.
20210 (c_register_pragma_with_expansion): Likewise.
20211 (c_invoke_pragma_handler): New.
20212 (init_pragma): Use cpp_register_deferred_pragma directly for
20214 * c-pragma.h (enum pragma_kind): New.
20215 (pragma_handler): New.
20216 (c_invoke_pragma_handler): Declare.
20217 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20219 * c-common.h (c_common_pch_pragma): Update decl.
20220 * Makefile.in (c-parser.o): Update dependencies.
20221 (GTFILES): Add c-pragma.h.
20222 * c-parser.c (struct c_token): Add pragma_kind.
20223 (struct c_parser): Add in_pragma.
20224 (c_lex_one_token): Always initialize keyword and pragma_kind.
20225 Extract data for CPP_PRAGMA.
20226 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20227 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20228 Don't allow CPP_PRAGMA_EOL if in_pragma.
20229 (c_parser_consume_pragma): New.
20230 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20231 (c_parser_skip_to_end_of_parameter): Likewise.
20232 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20233 (c_parser_skip_to_pragma_eol): New.
20234 (c_parser_external_declaration): Handle CPP_PRAGMA.
20235 (c_parser_compound_statement_nostart): Likewise.
20236 (c_parser_statement_after_labels): Likewise.
20237 (c_parser_pragma): New.
20238 (pragma_lex): Likewise.
20239 (c_parser_pragma_pch_preprocess): New.
20240 (c_parser_new): Merge into ...
20241 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20243 2006-01-04 Jeff Law <law@redhat.com>
20246 * tree-cfg.c (bsi_replace): Remove the original statement
20247 from the EH throw statement table.
20249 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20251 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20252 make the prototype extern "C" and add throw ().
20255 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20256 and pos non-negative and pos + len <= 32.
20257 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20258 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20259 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20262 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20263 as well as sizes not multiple of component size.
20266 * function.c (instantiate_expr): New function.
20267 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20268 walk its DECL_VALUE_EXPR with instantiate_expr.
20270 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20271 DW_OP_deref{,_size} if address isn't going to be added.
20273 2006-01-04 Ben Elliston <bje@au.ibm.com>
20275 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20276 * config/fp-bit.c: Likewise.
20278 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20280 * dominance.c: Add comment about why we use DFS numbering
20283 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20284 Richard Henderson <rth@redhat.com>
20286 Merge from gomp-branch:
20287 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20288 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20290 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20292 PR rtl-optimization/25578
20293 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20294 pass a parameter to simplify_shift_const if changing ASHIFTRT
20297 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20299 * builtins.c (get_builtin_sync_mem): New function.
20300 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20301 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20302 Call get_builtin_sync_mem to generate mem rtx.
20304 2006-01-03 Richard Guenther <rguenther@suse.de>
20307 * stmt.c (add_case_node): Make sure to clear overflow flags
20310 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20312 Merge from gomp-branch.
20313 * config/sparc/sync.md: New file.
20314 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20315 UNSPECV_LDSTUB): New constants.
20316 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20317 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20318 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20321 2006-01-03 Roger Sayle <roger@eyesopen.com>
20323 * combine.c (reg_subword_p): New predicate to test whether the
20324 destination of a set refers to a subword/piece of a register.
20325 (try_combine): Generalize the code to merge the setting of a
20326 pseudo to a constant followed by a set of a subword of that
20327 register to a constant.
20329 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20331 * basic-block.h (control_flow_graph): Change the type of
20332 x_label_to_block_map to VEC(basic_block,gc) *.
20333 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20334 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20336 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20337 VEC(basic_block,heap) *.
20338 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20339 ssa_prop_fini): Adjust the uses of cfg_blocks.
20341 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20343 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20345 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20346 hashing trees instead of a pointer hash.
20347 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20348 compare for MEM_EXPR.
20350 PR rtl-optimization/25130
20351 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20352 when comparing MEMs for GCSE
20354 2006-01-03 Ben Elliston <bje@au.ibm.com>
20356 * targhooks.h (default_decimal_float_supported_p): Declare.
20357 * targhooks.c (default_decimal_float_supported_p): Define.
20358 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20359 `default_decimal_float_supported_p'.
20360 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20362 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20364 * combine.c (apply_distributive_law <SUBREG>): Check
20365 TRULY_NOOP_TRUNCATION.
20367 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20369 * dwarf2out.c (have_switched_text_section): Delete.
20370 (have_multiple_function_sections): New.
20371 (have_location_lists): Make 'bool'.
20372 (add_AT_loc_list): Use 'true' not '1'.
20373 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20374 (output_loc_list): Use have_multiple_function_sections.
20375 (output_ranges): Likewise.
20376 (dwarf2out_begin_function): Set have_multiple_function_sections if
20378 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20379 Check function_section rather than DECL_SECTION_NAME.
20380 (dwarf2out_finish): Use have_multiple_function_sections.
20381 Don't clear have_location_lists.
20383 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20384 Jan Hubicka <jh@suse.cz>
20386 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20387 case of conditional jump jumping to the next instruction.
20388 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20389 cases of conditional jump jumping to the next instruction.
20391 2006-01-02 Jan Hubicka <jh@suse.cz>
20393 * i386.c (*_cost): Add COSTS_N_INSNS.
20394 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20396 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20399 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20401 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20403 * config/arm/arm.c (all_fpus): Fix comment typo.
20404 * config/darwin.c: Likewise.
20405 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20406 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20407 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20409 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20411 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20412 (rs6000_split_compare_and_swapqhi): New.
20413 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20414 (sync_compare_and_swapqhi_internal): New.
20415 * config/rs6000/rs6000-protos.h: Declare.