1 2006-12-04 Ben Elliston <bje@au.ibm.com>
3 * config/spu/spu.md (_mulv4si3): Remove unused local variables.
5 2006-12-03 Eric Christopher <echristo@apple.com>
8 * config/t-slibgcc-darwin: Pass -install_name.
9 * config/darwin.h (LINK_COMMAND_SPEC): Remove use of
10 libtool. Only pass through options that the linker recognizes.
11 (LINK_SPEC): Update comment. Translate options.
12 (STARTFILE_SPEC): Add dylib1.o for shared libraries.
13 * config/darwin9.h (LINK_COMMAND_SPEC): Ditto above.
15 2006-12-03 Dorit Nuzman <dorit@il.ibm.com>
17 * config/spu/spu.md (smaxv4sf3, sminv4sf3): New.
19 2006-12-03 Uros Bizjak <ubizjak@gmail.com>
22 * config/i386/sse.md ("*sse3_movddup"): Use operands[0] and
23 operands[1] in insn constraint. Correct type attribute to sselog1.
25 2006-12-02 H.J. Lu <hongjiu.lu@intel.com>
28 * config/i386/driver-i386.c: Include "coretypes.h" and "tm.h".
30 (host_detect_local_cpu): Check -mtune= vs. -march=. Rewrite
33 * config/i386/i386.h (CC1_CPU_SPEC): Add -mtune=native for
34 -march=native if there is no -mtune=*.
36 * config/i386/x-i386 (driver-i386.o): Also depend on $(TM_H)
39 2006-12-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
41 * doc/install.texi: Update recommended MPFR version. Remove
42 obsolete reference to cumulative patch.
44 2006-12-02 Lee Millward <lee.millward@codesourcery.com>
47 * c-decl.c (store_parm_decls_oldstyle): Robustify.
49 2006-11-30 Jan Hubicka <jh@suse.cz>
50 Uros Bizjak <ubizjak@gmail.com>
52 * config/i386/i386.c (pentium4_cost, nocona_cost): Update
53 32bit memcpy/memset decriptors.
54 (decide_alg): With -minline-all-stringops and sizes that are best
55 to be copied via libcall still work hard enough to pick non-libcall
58 2006-12-02 Kazu Hirata <kazu@codesourcery.com>
60 * doc/extend.texi, doc/invoke.texi, doc/md.texi: Fix typos.
62 * builtins.c, cfgloop.h, cgraph.h, config/arm/arm.c,
63 config/i386/i386.c, config/i386/i386.h, config/mips/mips.h,
64 config/rs6000/cell.md, config/rs6000/rs6000.c, config/sh/sh.c,
65 config/sh/sh4-300.md, config/spu/spu-builtins.def,
66 config/spu/spu-c.c, config/spu/spu-modes.def,
67 config/spu/spu.c, config/spu/spu.md,
68 config/spu/spu_internals.h, config/spu/vmx2spu.h,
69 fold-const.c, fwprop.c, predict.c, tree-data-ref.h,
70 tree-flow.h, tree-ssa-loop-manip.c, tree-ssa-loop-niter.c,
71 tree-ssa-pre.c, tree-vect-analyze.c, tree-vect-transform.c,
72 tree-vectorizer.c, tree-vrp.c: Fix comment typos. Follow
75 * config/i386/i386.c: Fix a comment typo.
77 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
79 * config/spu/spu.c (spu_immediate): Remove trailing comma.
80 (reloc_diagnostic): Call warning when -mwarn-reloc is specified.
81 * config/spu/spu.md: (zero_extendhisi2): Expand instead of split for
83 (floatv4siv4sf2): New.
84 (fix_truncv4sfv4si2): New.
85 (floatunsv4siv4sf2): New.
86 (fixuns_truncv4sfv4si2): New.
94 (cmp<mode>): Don't accept constant arguments for DI, TI and SF.
95 * config/spu/spu_internals.h: Handle overloaded intrinsics in C++ with
96 spu_resolve_overloaded_builtin instead of static inline functions.
98 2006-12-01 Eric Botcazou <ebotcazou@adacore.com>
100 * fold-const.c (fold_binary) <LT_EXPR>: Use the precision of the
101 type instead of the size of its mode to compute the highest and
102 lowest possible values. Still check the size of the mode before
103 flipping the signedness of the comparison.
105 2006-12-01 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
107 * config/spu/predicates.md (spu_mov_operand): Add.
108 * config/spu/spu.c (spu_expand_extv): Remove unused code.
109 (print_operand_address, print_operand): Handle addresses containing AND.
110 (spu_split_load, spu_split_store): Use updated movti pattern.
111 * config/spu/spu.md: (_mov<mode>, _movdi, _movti): Handle loads and
112 stores in mov patterns for correct operation of reload.
113 (lq, lq_<mode>, stq, stq_<mode>): Remove.
115 2006-12-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
118 * c-common.c (check_main_parameter_types): Check for error_mark_node.
120 2006-12-01 Andrew MacLeod <amacleod@redhat.com>
122 * common.opt (ftree-combine-temps): Remove.
123 * tree-outof-ssa.c (SSANORM_COMBINE_TEMPS): Remove.
124 (coalesce_ssa_name): Don't check for combine-temps.
125 (coalesce_vars): Remove.
126 (check_replaceable): Use num_imm_uses.
127 (remove_ssa_form, insert_backedge_copies, rewrite_out_of_ssa): Don't
128 check for combine-temps.
129 (rewrite_out_of_ssa): Never create a ref_count in the var_map.
130 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Change parms
131 to register_ssa_partition calls.
132 * tree-ssa-live.c (register_ssa_partition): Remove prototype.
133 (init_var_map, delete_var_map): remove refernces to ref_count.
134 (create_ssa_var_map): Never calculate a ref count.
135 (type_var_init): Remove.
136 * tree-ssa-live.h (typedef struct _var_map): Remove ref_count.
137 (SSA_VAR_MAP_REF_COUNT): Delete.
138 (create_ssa_var_map): Change Prototype to have no parameters.
139 (version_ref_count): Delete.
140 (register_ssa_partition): Remove 'is_use' paramater and don't set the
142 (type_var_num, type_var, type_var_first_partition,
143 type_var_next_partition, type_var_dump, type_var_delete,
144 type_var_remove_partition, type_var_find, type_var_compact,
145 type_var_decompact): Remove.
147 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
149 * config/bfin/bfin.md (pushsi_insn, popsi_insn): Set correct addrtype
152 2006-12-01 Richard Guenther <rguenther@suse.de>
155 * dwarf2out.c (struct pubname_struct): Make name const.
156 (add_pubtype): Do not xstrdup identifiers.
158 2006-12-01 Bernd Schmidt <bernd.schmidt@analog.com>
160 * config/bfin/bfin.c (bfin_valid_add): Fix the logic that ensures
161 multiword accesses are in range.
163 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
165 PR tree-optimization/29921
166 * tree-ssa-ccp.c (canonicalize_float_value): New function.
167 (set_lattice_value): Use canonicalize_float_value.
169 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
171 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
172 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
173 (spu_cpu_cpp_builtins): Remove.
174 (spu_override_options): Don't set warn_main.
175 (spu_force_reg): Move from spu-c.c.
176 (spu_check_builtin_parm): Likewise.
177 (expand_builtin_args): Likewise.
178 (spu_expand_builtin_1): Likewise.
179 (spu_expand_builtin): Likewise.
180 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
181 warn_main and targetm.resolve_overloaded_builtin.
182 * config/spu/spu-c.c (spu_builtin_range): Remove.
183 (spu_check_builtin_parm): Remove.
184 (expand_builtin_args): Remove.
185 (spu_expand_builtin_1): Remove.
186 (spu_expand_builtin): Remove.
187 (spu_cpu_cpp_builtins): Moved from spu.c
188 (spu_force_reg): Remove.
190 2006-12-01 Joseph Myers <joseph@codesourcery.com>
191 David Edelsohn <edelsohn@gnu.org>
194 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
195 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
196 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
197 HARD_REGNO_NREGS_WITH_PADDING): Define.
198 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
199 HARD_REGNO_NREGS_WITH_PADDING): Define.
200 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
201 Use new macros to detect modes with holes; do not look at integer
203 (subreg_offset_representable_p): Check for and disallow cases
204 where the modes use different numbers of bits from registers.
205 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
206 constant for soft-float.
207 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
209 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
211 * config/rs6000/rs6000.md (movtf): Allow soft-float.
212 (movtf_softfloat): New.
214 2006-11-30 Richard Sandiford <richard@codesourcery.com>
216 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
219 2006-11-30 Andrew Macleod <amacleod@redhat.com>
221 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
222 (COALESCE_HASH_FN): New. Define hash function.
223 (partition_pair_map_hash): New. Hash value for a partition pair.
224 (partition_pair_map_eq): New. Equality for hash pairs.
225 (create_coalesce_list): Create hash table.
226 (delete_coalesce_list): Free hash table.
227 (find_partition_pair): Find/create pairs in hash table.
228 (compare_pairs): Sort pairs in ascending order now.
229 (num_coalesce_pairs): New. Number of pairs in hash table.
230 (struct partition_pair_iterator): Iterator struct for pair table.
231 (first_partition_pair): Iterator function for first pair.
232 (end_partition_pair_p): Iterator function for end of iteration.
233 (next_partition_pair): Iterator function for next pair.
234 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
235 (sort_coalesce_list): Sort pairs from hash table into an array.
236 (pop_best_coalesce): Take pairs from the array.
237 (dump_coalesce_list): Update to use hash table or sorted array.
238 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
239 (struct coalesce_list_d): Add hash table related fields.
241 2006-11-30 Jan Hubicka <jh@suse.cz>
244 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
245 memmove/bcopy->memcpy conversion.
247 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
249 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
250 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
251 Default is the largest alignment supported for 32-bit ELF and
252 representable on a 32-bit host.
254 2006-11-30 Janis Johnson <janis187@us.ibm.com>
256 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
258 2006-11-30 Jan Hubicka <jh@suse.cz>
260 * tree-ssa-operands.h (struct ssa_operands): New.
261 * tree-flow-inline.h (gimple_ssa_operands): New function.
262 * tree-flow.h: (struct gimple_df): Add ssa_operands.
263 * Makefile.in: Remove gt-tree-ssa-operands.h
264 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
265 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
266 operand_memory, operand_memory_index, ops_active): Remove statics.
267 (ALLOC_OPTYPE): Update.
268 (operand_build_sort_virtual): Update.
269 (ssa_operands_active): Update.
270 (init_ssa_operands): Update.
271 (fini_ssa_operands): Update.
272 (ssa_operand_alloc): Update.
273 (INITIALIZE_USE): Update.
274 (finalize_ssa_use_ops): Update.
275 (finalize_ssa_v_may_def_ops): Update.
276 (finalize_ssa_vuse_ops): Update.
277 (finalize_ssa_v_must_def_ops): Update.
279 2006-11-30 Richard Guenther <rguenther@suse.de>
281 * tree-vectorizer.h (vectorizable_function): Export.
282 * tree-vect-transform.c (vectorizable_function): Likewise.
283 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
284 type_in to scalar type in recognition of squaring.
285 Make sure the target can vectorize sqrt in recognition
286 of sqrt, set type_in to vector type in this case.
288 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
290 * config/i386/i386.md (R10_REG): New constant.
291 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
292 (ix86_emit_restore_regs_using_mov): Ditto.
293 (ix86_expand_call): Ditto.
294 (x86_output_mi_thunk): Ditto. Also use R10_REG.
296 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
298 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
299 * alias.c (canon_true_dependence): Update comment.
301 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
303 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
304 at the end of a diagnostics message.
306 * alloc-pool.c (pool_free): Postpone clearing the pool entry
307 until after asserting that it was allocated in the right pool.
309 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
310 successor edge information as well. Make output of live regs
311 on exit consistent with live regs on entry.
313 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
316 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
317 insn patterns for TARGET_80387.
318 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
319 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
320 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
321 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
322 Generate truncxf<mode>2 insn patterns for strict SSE math.
324 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
326 * config/i386/i386.md (movsf_1): Enable pattern for standard
327 80387 constants before reload when optimizing for size.
328 (*movdf_nointeger, *movdf_integer): Ditto.
329 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
330 80387 constants before reload when not optimizing for size.
332 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
333 extension of XFmode input operands.
335 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
337 * config/spu/crt0.c (__dso_handle): Define.
339 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
341 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
342 when clearing the used flags.
344 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
346 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
348 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
351 * config/spu/spu.md (extend_compare<mode>): New pattern.
352 (extend_compare): Change to expand and use the above pattern.
354 2006-11-29 Janis Johnson <janis187@us.ibm.com>
356 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
358 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
359 (DFP_INIT_ROUNDMODE): Define.
360 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
361 * mklibgcc.in: Fix dependencies for dfp-bit.c.
363 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
365 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
366 Update documentation.
367 (associate_line_notes_with_blocks): Kill.
368 (extend_bb): Remove basic block argument, put void instead.
369 Remove line number handling for each bb.
370 (save_line_notes): Kill.
371 (restore_line_notes): Kill.
372 (sched_init): Remove line_note_head initialization.
373 Change extend_bb call.
374 (sched_finish): Remove free of line_note_head.
375 (add_block): Change extend_bb call.
376 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
377 rm_line_notes and restore_line_notes calls.
378 (schedule_ebbs): Remove rm_redundant_line_notes.
379 * sched-int.h (struct haifa_insn_data): Remove line_note.
380 (save_line_notes): Remove declaration.
381 (restore_line_notes): Remove declaration.
382 * modulo-sched.c (loop_canon_p): Update debug info printing
383 by using insn locators instead of line note.
384 (sms_schedule): Update debug info printing, by using insn
385 locators instead of line note.
386 * sched-rgn.c (debug_dependencies): Remove handling of case
387 n>0 (line number), since it's a dead code.
388 (schedule_region): Remove save_line_notes and
389 restore_line_notes calls.
391 2006-11-29 Joseph Myers <joseph@codesourcery.com>
393 * config/rs6000/predicates.md (gpc_reg_operand): Check
395 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
396 SImode subregs of SPE vectors.
397 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
398 * jump.c (true_regnum): Require subregs to satisfy
399 subreg_offset_representable_p.
401 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
402 Steven Bosscher <stevenb.gcc@gmail.com>
404 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
405 since it no longer exists.
407 2006-11-29 Duncan Sands <baldrick@free.fr>
409 PR tree-optimization/23744
410 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
412 2006-11-29 Duncan Sands <baldrick@free.fr>
414 PR tree-optimization/23744
415 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
417 2006-11-29 Duncan Sands <baldrick@free.fr>
419 PR tree-optimization/23744
420 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
422 2006-11-29 Jie Zhang <jie.zhang@analog.com>
424 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
426 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
428 * sh.opt (minline-ic_invalidate): New option.
429 (musermode): Adjust comment.
430 * sh.c (sh_initialize_trampoline): Emit library call unless
431 is set; if it is set, don't emit library call if we can use icbi
433 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
434 icbi for TARGET_SH4_300.
435 * t-sh (LIB1ASMFUNCS_CACHE): Set.
436 * doc/invoke.texi: Document -minline-ic_invalidate; Update
437 -musermode documentation.
439 2006-11-29 Jim Tison <jtison@us.ibm.com>
441 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
442 __gthread_recursive_mutex_init): Define.
444 2006-11-29 Joseph Myers <joseph@codesourcery.com>
446 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
447 STRICT_ALIGNMENT and the type is more aligned than the saved
448 registers, copy via a temporary.
450 2006-11-28 Andrew Pinski <pinskia@gmail.com>
453 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
456 2006-11-28 Bob Wilson <bob.wilson@acm.org>
458 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
460 2006-11-28 Jan Hubicka <jh@suse.cz>
462 Privatize SSA variables into gimple_df.
464 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
465 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
466 gimple_nonlocal_all): New accessors.
467 (first_referenced_var): Update.
468 (mark_stmt_modified): Update.
469 (is_call_clobbered): Update.
470 (mark_call_clobbered): Update.
471 (clear_call_clobbered): Update.
472 (mark_non_addressable): Update.
473 * tree-vrp.c (get_value_range): Update.
474 * tree-into-ssa.c (in_ssa_p): Kill.
475 (get_default_def_for): Update.
476 (rewrite_into_ssa): Update.
477 * tree-complex.c (init_parameter_lattice_values): Update.
478 (update_complex_assignment): Update.
479 (update_parameter_components): Update.
480 (expand_complex_libcall): Update.
481 (expand_complex_operations_1): Update.
482 * tree-tailcall.c (arg_needs_copy_p): Update.
483 (add_virtual_phis): Update.
484 (tree_optimize_tail_calls_1): Update.
485 * tree-ssa-dse.c (memory_ssa_name_same): Update.
486 * tree-ssa-copyrename.c
487 (copy_rename_partition_coalesce): Update.
488 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
489 * tree-ssa-propagate.c (set_rhs): Update.
490 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
491 addressable_vars, global_var):Kill.
492 (set_initial_properties): Update.
493 (init_alias_info): Update.
494 (finalize_ref_all_pointers): Update.
495 (setup_pointers_and_addressables): Update.
496 (maybe_create_global_var): Update.
497 (create_global_var): Update.
498 (dump_points_to_info): Update.
499 * function.h (struct gimple_df): Forward declare.
500 (struct function): Add GIMPLE_DF field.
501 * gimplify.c (force_gimple_operand): Update.
502 * tree-dfa.c (referenced_vars, default_defs): KIll.
503 (make_rename_temp): Update.
504 (dump_variable): Update.
505 (referenced_var_lookup): Update.
506 (referenced_var_check_and_insert): Update.
507 (default_def): Rename to ...
508 (gimple_default_def): ... this one; accept cfun argument.
509 (set_default_def): Update.
510 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
511 (cleanup_control_flow): Update.
512 * tree-ssa-pre.c (compute_avail): Update
513 * tree-ssa-live.c (calculate_live_on_entry): Update.
514 * tree-ssa.c (verify_use): Update.
515 (verify_call_clobbering): Update.
516 (verify_call_clobbering): Update.
517 (init_tree_ssa): Update.
518 (delete_tree_ssa): Update.
519 * tree-outof-ssa.c (coalesce_ssa_name): Update.
520 (rewrite_out_of_ssa): Update.
521 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
522 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
524 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
525 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
526 addressable_vars, aliases_computed_p): Kill.
527 (default_def): Rename to...
528 (gimple_default_def): ... this one.
529 (defaule_def_fn): Kill.
530 (num_referenced_vars, ssa_names, num_ssa_names): Update.
531 * tree-ssa-structalias.c (nonlocal_all): Kill.
532 (get_constraint_exp_from_ssa_var): Update.
533 (create_nonlocal_var): Update.
534 (get_constraint_for): Update.
535 (update_alias_info): Update.
536 (find_global_initializers): Update.
537 (intra_create_variable_infos): Update.
538 (intra_create_variable_infos):
539 (find_what_p_points_to): Update.
540 (init_alias_heapvars): Update.
541 * tree-cfg.c (remove_bb): Update.
542 (gimplify_val): Update.
543 * tree-ssa-reassoc.c (get_rank): Update.
544 (init_reassoc): Update.
545 * tree-ssanames.c: Do not include gt-tree-ssanames.h
546 (ssa_names, free_ssanames): Kill.
547 (init_ssanames): Update.
548 (make_ssa_name): Update.
549 (release_ssa_name): Update.
550 (release_defs): Update.
551 (replace_ssa_name_symbol): Update.
552 * tree-ssa-operands.c (access_can_touch_variable): Update.
553 (add_virtual_operand): Update.
554 (add_call_clobber_ops): Update.
555 (add_call_read_ops): Update.
556 (get_call_expr_operands): Update.
557 (get_asm_expr_operands): Update.
559 2006-11-28 Jan Hubicka <jh@suse.cz>
561 * builtins.c: Include tree-flow.h.
562 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
563 assignment; convert memmove to memcpy for sizes greater than 1 where
564 alignment of operands prohibit the partial overlap.
566 2006-11-28 Jan Hubicka <jh@suse.cz>
568 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
569 * cgraph.c (dump_cgraph_node): Dump stack usage.
570 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
571 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
572 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
573 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
574 (cgraph_check_inline_limits): Limit stack growth.
575 * cfgexpand.c: Include tree-inline.h.
576 (account_stack_vars): New function.
577 (expand_one_var): New param to just account the stack; return estimated
579 (expand_used_vars_for_block): Update call of expand_one_var.
580 (account_used_vars_for_block): New function.
581 (estimated_stack_frame_size): Likewise.
582 (init_vars_expansion, fini_vars_expansion): Break out from..
583 (expand_used_vars): ... here.
584 * tree-inline.h (estimated_stack_frame_size): Declare.
585 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
587 2006-11-28 Richard Guenther <rguenther@suse.de>
589 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
590 unsigned long for printing OBJECT_SIZE.
592 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
594 * alias.c (init_alias_analysis): Remove simplification loop
595 after propagating pointers.
597 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
599 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
602 2006-11-27 Bob Wilson <bob.wilson@acm.org>
604 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
606 2006-11-27 Roger Sayle <roger@eyesopen.com>
607 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
609 * c-common.c (constant_fits_type_p): Delete.
610 (unsigned_conversion_warning): Delete.
611 (conversion_warning): Integrate Wconversion warning from
612 unsigned_conversion_warning.
613 (convert_and_check): Integrate Woverflow warning from
614 unsigned_conversion_warning. Reorganize and simplify to avoid
615 dependence upon the middle-end setting TREE_OVERFLOW on integral
616 conversions, by using int_fits_type_p directly.
618 2006-11-27 Tobias Burnus <burnus@net-b.de>
620 * doc/invoke.texi: Fixed typo.
622 2006-11-27 Michael Matz <matz@suse.de>
623 Andreas Krebbel <krebbel1@de.ibm.com>
626 * config/s390/predicates.md (larl_operand): Check addend of larl
627 operand to be in range of -/+2GB.
628 * config/s390/s390.c (legitimize_pic_address): Likewise.
629 Changed type of variable even to HOST_WIDE_INT.
631 2006-11-27 Jan Hubicka <jh@suse.cz>
633 * expr.c (emit_block_move_via_libcall): Export.
634 (clear_storage_via_libcall): Rename to ...
635 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
636 (clear_storage): Update to set_storage_via_libcall.
637 * expr.h (emit_block_move_via_libcall): Declare
638 * config/i386/i386.h (stringop_alg): New enum.
639 (MAX_STRINGOP_ALGS): New constant.
640 (stringop_algs): New struct.
641 (processor_costs): Add memcpy/memset descriptors.
642 (TARGET_REP_MOVEL_OPTIMAL): Remove.
643 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
644 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
646 * config/i386/i386.opt (minline-stringops-dynamically,
647 mstringop-strategy): New
649 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
650 (ix86_expand-clrmem): Rename to ...
651 (ix86_expand_setmem): ... this one; update prototype.
652 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
653 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
654 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
655 nocona_cost, core2_cost, generic_cost, generic64_cost,
656 generic32_cost): Add memcpy/memset descriptors.
657 (x86_rep_movl_optimal): Remove.
658 (stringop_alg): New static variable.
659 (ix86_expand_aligntest): Handle predictions.
660 (override_options): Add strgop_alg handling.
661 (predict_jump): New function.
662 (scale_counter): New function.
663 (expand_set_or_movmem_via_loop): New function.
664 (expand_movmem_via_rep_mov): New function.
665 (expand_setmem_via_rep_stots): New function.
666 (emit_strmov): New function.
667 (expand_movmem_epilogue): New function.
668 (expand_setmem_epilogue_via_loop): New function.
669 (expand_setmem_epilogue): New function.
670 (expand_movmem_prologue): New function.
671 (expand_setmem_prologue): New function.
672 (decide_alg): New function.
673 (decide_alignment): New function.
674 (ix86_exand_movmem): Rewrite.
675 (promote_duplicated_reg): New function.
676 (ix86_expand_clrmem): Rename to ...
677 (ix86_expand_setmem): ... this one. Rewrite.
679 * invoke.texi (minline-stringops-dynamically): New command line option.
680 (mstringop-strategy): Likewise.
682 2006-11-27 Jan Hubicka <jh@suse.cz>
684 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
685 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
686 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
687 * insn-notes.def (FUNCTION_END): Remove.
688 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
689 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
691 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
692 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
693 * cfglayout.c (duplicate_insn_chain): Don't worry about
696 2006-11-27 Richard Guenther <rguenther@suse.de>
697 Zdenek Dvorak <dvorakz@suse.cz>
699 * target.h (struct gcc_target): Add builtin_vectorized_function
701 * target-def.h (TARGET_VECTORIZE): Likewise.
702 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
703 Document new target hook.
704 * targhooks.h (default_builtin_vectorized_function): Declare.
705 * targhooks.c (default_builtin_vectorized_function): Define.
706 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
707 (vectorizable_call): Declare.
708 * tree-vect-analyze.c (vect_analyze_operations): Call
710 * tree-vect-transform.c (vectorizable_function): New static function.
711 (build_vectorized_function_call): Likewise.
712 (vectorizable_call): New function.
713 (vect_transform_stmt): Handle vectorizable calls.
715 2006-11-27 Richard Guenther <rguenther@suse.de>
718 * builtins.c (expand_builtin_pow): Optimize non integer valued
719 constant exponents using sqrt or cbrt if possible. Always fall back
720 to expanding via optabs.
722 2006-11-27 Ira Rosen <irar@il.ibm.com>
724 PR tree-optimization/22372
725 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
726 the type of the base address.
727 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
728 it in the data-ref pointer creation.
729 (vect_init_vector): Add an argument, type of the init vector. Use it in
731 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
732 (get_initial_def_for_reduction): Likewise.
733 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
735 (vectorizable_assignment, vect_permute_store_chain): Likewise.
736 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
737 correct type in stmt creation.
738 (vect_setup_realignment): Use the correct type in stmt creation.
739 (vect_permute_load_chain): Change type of MODIFY_EXPR to
741 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
742 of MODIFY_EXPR to void_type_node.
743 (vectorizable_condition): Change type of MODIFY_EXPR to
745 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
748 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
751 2006-05-08 Uros Bizjak <uros@kss-loka.si>
752 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
753 standard 80387 constants, raise the cost to prevent
754 compress_float_constant() to generate load from memory.
756 * config/i386/i386.md: Add new splitter pattern to split
757 float_extended load of constant from constant pool into
760 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
762 * doc/install.texi: Move GMP/MPFR configure options from Fortran
763 section to general section. Remove documentation for
764 --with-mpfr-dir and --with-gmp-dir, add documentation for
765 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
768 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
770 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
772 * testsuite/gcc.dg/ipa/ipa-6.c: New.
774 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
776 PR tree-optimization/29122
777 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
778 for the new version. Assign NULL to DECL_RTL of the new version.
780 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
782 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
784 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
786 * cse.c (cse_altered): Remove.
787 (record_jump_equiv): Make true/false argument a bool instead
789 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
790 where appropriate. Emit a new jump before the existing one
791 instead of after so that delete_insn_and_edges removes the
792 dead edges properly. Check any_condjump_p before calling
794 (cse_basic_block): Check any_condjump_p before calling
796 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
798 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
800 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
801 -ffixed-line-length-* options.
803 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
805 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
806 (fprem1xf4): Rename to fprem1xf4_i387.
808 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
809 Rename patterns to fmod<mode>3. Use general_operand operand
810 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
811 patterns for SSE math.
812 (remaindersf3, remainderdf3): Ditto.
814 2006-11-25 Joseph Myers <joseph@codesourcery.com>
816 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
817 inside start_sequence / end_sequence pair.
819 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
821 * jump.c (mark_all_labels): Work in cfglayout mode.
822 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
823 when in cfglayout mode, because there are no dead jumptables
825 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
827 (commit_edge_insertions): Do not allow insertion of instructions
828 with control flow insns when in cfglayout mode.
830 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
832 * tree-vrp.c (execute_vrp): Do not pass loops structure through
834 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
835 unswitch_loop): Ditto.
836 * tree-loop-linear.c (linear_transform_loops): Ditto.
837 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
838 tree_ssa_lim): Ditto.
839 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
840 free_numbers_of_iterations_estimates): Ditto.
841 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
842 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
843 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
844 remove_path, add_loop, loopify, unloop, fix_loop_placements,
845 place_new_loop, duplicate_loop, duplicate_subloops,
846 update_single_exit_for_duplicated_loops, copy_loops_to,
847 duplicate_loop_to_header_edge, create_preheaders,
848 force_single_succ_latches, loop_version, fix_loop_structure):
850 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
851 tree_unroll_loop): Ditto.
852 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
853 * tree-scalar-evolution.c (select_loops_exit_conditions,
854 scev_initialize, scev_analysis): Ditto.
855 * tree-scalar-evolution.h (scev_initialize): Ditto.
856 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
857 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
858 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
859 * modulo-sched.c (sms_schedule): Ditto.
860 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
861 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
862 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
863 * ifcvt.c (if_convert): Ditto.
864 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
865 canonicalize_loop_induction_variables,
866 canonicalize_induction_variables,
867 tree_unroll_loops_completely, remove_empty_loops): Ditto.
868 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
869 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
870 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
871 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
872 tree_ssa_loop_done): Ditto.
873 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
874 estimate_bb_frequencies): Ditto.
875 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
876 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
877 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
878 decide_unrolling_and_peeling, peel_loop_completely,
879 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
880 peel_loop_simple, unroll_loop_stupid): Ditto.
881 * loop-doloop.c (doloop_optimize_loops): Ditto.
882 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
883 * loop-invariant.c (move_loop_invariants): Ditto.
884 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
885 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
886 tree_ssa_prefetch_arrays): Ditto.
887 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
889 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
890 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
891 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
892 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
893 verify_loop_structure): Ditto.
894 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
895 canonicalize_induction_variables, tree_unroll_loops_completely,
896 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
897 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
898 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
899 tree_unroll_loop, linear_transform_loops): Declaration changed.
900 * basic-block.h: Remove declaration of struct loops.
901 * cfghooks.h (struct cfg_hooks): Change type of
902 cfg_hook_duplicate_loop_to_header_edge.
903 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
904 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
905 vect_transform_loop): Declaration changed.
906 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
907 * cfgloop.h (flow_loops_dump, fix_loop_structure,
908 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
909 cancel_loop_tree, create_preheaders, force_single_succ_latches,
910 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
911 loopify, loop_version, remove_path, unswitch_loops,
912 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
915 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
917 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
918 (X87MODEF): New mode macro.
919 (ssemodefsuffix): New mode attribute.
920 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
921 (sqrt_extend<mode>xf2_i387): New insn pattern.
922 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
923 insn and truncate result back to original mode using
924 UNSPEC_TRUNC_NOOP truncation.
925 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
926 ssemodefsuffix mode attribute.
927 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
928 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
929 (*sqrtextenddfxf2_i387): Remove insn patterns.
931 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
934 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
936 2006-11-24 Jakub Jelinek <jakub@redhat.com>
939 * c-tree.h (c_maybe_initialize_eh): New prototype.
940 * c-decl.c (finish_decl): Move EH initialization...
941 (c_maybe_initialize_eh): ... here. New function.
942 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
943 if not #pragma omp atomic.
946 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
947 or UNION_TYPE inner types.
949 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
952 * ipa-pure-const.c (check_tree): If the original tree
953 is volatile return early and say the function is not pure
954 nor const. Remove the volatile check for writes.
955 (analyze_function): Print out the result of the local
958 2006-11-24 Joseph Myers <joseph@codesourcery.com>
960 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
962 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
963 * config/rs6000/rs6000.c (rs6000_override_options): Use
964 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
967 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
969 * config/s390.c (s390_emit_compare_and_swap): New function.
970 (s390_expand_cs_hqi, s390_expand_atomic): Call
971 s390_emit_compare_and_swap.
973 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
975 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
977 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
981 * c-common.c (conversion_warning): New.
982 (convert_and_check): Call conversion_warning unless there is an
984 * doc/invoke.texi (-Wconversion): Update description.
986 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
988 * tree-ssa-alias.c (tree_pointer_compare): New function.
989 (compact_name_tags): New function.
990 (group_aliases): Call compact_name_tags.
992 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
994 * real.h (real_isinteger): Declare.
995 * real.c (real_isinteger): Define.
996 * builtins.c (integer_valued_real_p): Use it.
998 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1001 * c.opt (Wtraditional-conversion): New.
1002 (Wconversion): Update description.
1003 * c-typeck.c (convert_arguments): Warnings for prototypes causing
1004 type conversions different from what would happen in the absence
1005 of prototype are now handled by Wtraditional-conversion.
1006 * doc/invoke.texi (Wtraditional-conversion): New.
1007 (Wconversion): Update description.
1008 * doc/trouble.texi (Wconversion): Replace Wconversion by
1009 Wtraditional-conversion.
1011 2006-11-23 Andrew Pinski <pinskia@gmail.com>
1013 * predict.c (tree_estimate_probability): Check to make
1014 sure current_loops is non null before calling flow_loops_dump.
1016 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1018 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
1020 2006-11-23 David Ung <davidu@mips.com>
1022 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
1024 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
1025 (ASM_SPEC): Pass along -mfp32 and -mfp64.
1026 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
1027 high part of FP register when in 64-bit FP register mode. Similarly
1028 use gen_mfhc1 to load high part of FP register.
1029 (override_options): Allow -mgp32 and -mfp64 combination if
1030 ISA_HAS_MXHC1 (currently for O32 only).
1031 (mips_cannot_change_mode_class): If floating-point registers are
1032 bigger than word size. disallow conversion of float register from a
1033 large integer mode to a float mode smaller than the float register
1035 (mips_class_max_nregs): Handle float registers case seperately.
1036 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
1038 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
1039 (movdf_hardfloat_32bit): Similarly.
1040 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
1041 support a full 64-bit fpu.
1042 (mthc1): New pattern to generate MTHC1 instruction.
1043 (mfhc1): New pattern to generate MFHC1 instruction.
1044 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
1045 option for the MIPS32R2 and mention its use under O32 ABI.
1047 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
1049 * var-tracking.c (emit_note_insn_var_location): Take care not to
1050 cause verify_flow_info failures.
1052 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
1054 * tree-ssa-structalias.c: Remove edge weights in favor of just
1055 processing them as complex constraints.
1056 (struct constraint_graph): Remove weighted succs and preds. Rename
1057 nonweighted succs and preds.
1058 (constraint_edge): Removed.
1059 (constraint_edge_t): Ditto.
1060 (constraint_edge_pool): Ditto.
1061 (new_constraint_edge): Ditto.
1062 (constraint_edge_equal): Ditto.
1063 (constraint_edge_less): Ditto.
1064 (constraint_edge_vec_find): Ditto.
1065 (erase_self_graph_edge): Ditto.
1066 (add_graph_edge): Removed.
1067 (get_graph_weights): Ditto.
1068 (allocate_graph_weights): Ditto.
1069 (valid_weighted_graph_edge): Ditto
1070 (bitmap_other_than_zero_bit_set): Ditto.
1071 (int_add_graph_edge): Renamed to add_graph_edge.
1072 (clear_edges_for_node): Remove support for weighted edges.
1073 (merge_graph_nodes): Ditto.
1074 (valid_graph_edge): Ditto.
1075 (build_constraint_graph): Ditto.
1077 (collapse_nodes): Ditto.
1078 (process_unification_queue): Ditto.
1079 (topo_visit): Ditto.
1080 (do_ds_constraint): Ditto.
1081 (perform_var_subsitution): Ditto.
1082 (solve_graph): Ditto.
1083 (init_alias_vars): Ditto.
1084 (delete_points_to_sets): Ditto.
1085 (do_complex_constraint): Support offsetted copies here.
1087 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
1089 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
1091 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
1093 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
1096 2006-11-23 Ben Elliston <bje@au.ibm.com>
1098 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
1100 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
1102 PR tree-optimization/29921
1103 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
1104 signed and unsigned zero equal.
1106 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
1108 * config/rs6000/rs6000.c (get_store_dest): New.
1109 (adjacent_mem_locations): Use get_store_dest() to get
1110 the rtl of the store destination.
1112 2006-11-22 Joseph Myers <joseph@codesourcery.com>
1114 * config/rs6000/spe.md (SPE64): New mode macro.
1115 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
1117 (mov_si<mode>_e500_subreg0_2): New.
1118 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
1120 (mov_si<mode>_e500_subreg4_2): New.
1121 * config/rs6000/predicates.md (input_operand): Do not allow
1122 invalid E500 subregs.
1123 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
1125 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
1126 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
1127 involving vector modes if TARGET_SPE.
1129 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
1132 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1133 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1135 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
1137 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
1138 mem_i_address_operand): New predicates.
1139 * config/bfin/bfin.c (bfin_issue_rate): New function.
1140 (TARGET_SCHED_ISSUE_RATE): New macro.
1141 * config/bfin/bfin.md (addrtype): New attribute.
1142 (slot0, slot1, slot2, store, pregs): New cpu_units.
1143 (core): Now a define_reservation.
1144 (alu): Remove some insn types from this reservation.
1145 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
1147 (dummy reservation): Don't trigger for mcld insns.
1148 (absence_sets): Two new absence sets to enforce slot ordering.
1149 (popsi_insn): Set addrtype.
1151 2006-11-22 Ira Rosen <irar@il.ibm.com>
1153 * doc/c-tree.texi: Document new tree codes.
1154 * doc/md.texi: Document new optabs.
1155 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
1157 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
1158 * optabs.h (optab_index): Add new.
1159 (vec_extract_even_optab, vec_extract_odd_optab,
1160 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
1161 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1162 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1164 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1165 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1166 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1167 along with macros for their access.
1168 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1170 * tree-vect-analyze.c (toplev.h): Include.
1171 (vect_determine_vectorization_factor): Fix indentation.
1172 (vect_insert_into_interleaving_chain,
1173 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1174 (vect_analyze_data_ref_dependence): Add argument for interleaving
1175 check. Check for interleaving if it's true.
1176 (vect_check_dependences): New function.
1177 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1178 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1179 (vect_update_misalignment_for_peel): Update for interleaving.
1180 (vect_verify_datarefs_alignment): Check only first data-ref for
1182 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1183 only first data-ref for interleaving.
1184 (vect_analyze_data_ref_access): Check interleaving, update
1186 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1187 with different parameters.
1188 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1189 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1190 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1191 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1192 Update step in case of interleaving.
1193 (vect_strided_store_supported, vect_permute_store_chain): New
1195 (vectorizable_store): Handle strided stores.
1196 (vect_strided_load_supported, vect_permute_load_chain,
1197 vect_transform_strided_load): New functions.
1198 (vectorizable_load): Handle strided loads.
1199 (vect_transform_stmt): Add argument. Handle strided stores. Check
1200 that vectorized stmt exists for patterns.
1201 (vect_gen_niters_for_prolog_loop): Update calculation for
1203 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1204 whole chain vectorization.
1205 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1206 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1207 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1208 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1209 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1211 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1213 * cse.c (enum taken): Remove PATH_AROUND.
1214 (addr_affects_sp_p, invalidate_skipped_set,
1215 invalidate_skipped_block): Remove.
1216 (cse_end_of_basic_block): Remove skip_blocks and related code.
1217 (cse_main): Don't test for flag_cse_skip_blocks.
1218 Update cse_end_of_basic_block call.
1219 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1220 code to lengthen the path if a jump was simplified.
1222 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1224 PR rtl-optimization/29924
1225 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1226 (unroll_loop_runtime_iterations): Assert that the argument passed to
1227 split_edge_and_insert is not NULL.
1228 * loop-doloop.c (add_test): Ditto.
1230 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1232 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1234 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1235 * cfgloopmanip.c (update_single_exits_after_duplication,
1236 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1237 * tree-scalar-evolution.c (get_loop_exit_condition,
1238 get_exit_conditions_rec, loop_closed_phi_def,
1239 number_of_iterations_in_loop, scev_const_prop): Ditto.
1240 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1241 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1243 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1245 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1246 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1247 slpeel_make_loop_iterate_ntimes,
1248 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1249 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1251 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1252 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1253 vect_analyze_loop_form): Ditto.
1254 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1255 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1256 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1257 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1258 vect_transform_loop): Ditto.
1259 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1260 (single_exit, set_single_exit): New functions.
1261 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1262 (single_exit, set_single_exit): Declare.
1263 * doc/loop.texi: Undocument single_exit field. Document single_exit
1266 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1268 PR tree-optimization/29902
1269 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1270 any involved ssa name appears in abnormal phi node.
1272 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1274 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1275 (xtensa_const_ok_for_letter_p): Delete.
1276 (xtensa_extra_constraint): Delete.
1277 (override_options): Delete xtensa_char_to_class initialization.
1278 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1279 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1280 (EXTRA_CONSTRAINT): Delete.
1281 * config/xtensa/xtensa.md: Include constraints.md.
1282 (call_internal): Combine alternatives.
1283 (call_value_internal): Likewise, and remove invalid constraints.
1284 * config/xtensa/constraints.md: New file.
1285 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1286 (xtensa_extra_constraint): Delete.
1287 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1290 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1292 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1293 of conversion that doesn't fit.
1295 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1296 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1297 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1299 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1301 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1303 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1305 2006-11-21 Richard Guenther <rguenther@suse.de>
1307 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1308 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1309 vect_recog_pow_pattern.
1310 (vect_recog_pow_pattern): New function.
1312 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1314 * config/bfin/bfin.opt (mstack-check-l1): New.
1315 * doc/invoke.texi (Blackfin Options): Document it.
1316 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1317 stack bounds in L1 memory if the new option is enabled.
1318 (override_options): Don't allow combinations of -fstack-limit and
1320 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1323 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1325 (bfin_register_move_cost): Bump costs if trying to move plain
1326 integer values through accumulators.
1328 2006-11-21 Ben Elliston <bje@au.ibm.com>
1330 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1332 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1333 Russell Olsen <Russell_Olsen@playstation.sony.com>
1334 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1335 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1336 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1337 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1338 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1340 * config.gcc: Add target for SPU.
1341 * config/spu/constraints.md: New file.
1342 * config/spu/crt0.c: New file.
1343 * config/spu/crtend.c: New file.
1344 * config/spu/crti.asm: New file.
1345 * config/spu/crtn.asm: New file.
1346 * config/spu/float_unsdidf.c: New file.
1347 * config/spu/float_unssidf.c: New file.
1348 * config/spu/predicates.md: New file.
1349 * config/spu/spu-builtins.def: New file.
1350 * config/spu/spu-builtins.h: New file.
1351 * config/spu/spu-builtins.md: New file.
1352 * config/spu/spu-c.c: New file.
1353 * config/spu/spu-elf.h: New file.
1354 * config/spu/spu-modes.def: New file.
1355 * config/spu/spu-protos.h: New file.
1356 * config/spu/spu.c: New file.
1357 * config/spu/spu.h: New file.
1358 * config/spu/spu.md: New file.
1359 * config/spu/spu.opt: New file.
1360 * config/spu/spu_internals.h: New file.
1361 * config/spu/spu_intrinsics.h: New file.
1362 * config/spu/spu_mfcio.h: New file.
1363 * config/spu/t-spu-elf: New file.
1364 * config/spu/vec_types.h: New file.
1365 * config/spu/vmx2spu.h: New file.
1366 * doc/contrib.texi: Document SPU contributor.
1367 * doc/extend.texi: Document SPU extensions.
1368 * doc/invoke.texi: Document SPU options.
1369 * doc/md.texi: Document SPU constraints.
1371 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1373 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1375 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1377 (flow_loop_dump): Do not dump loop level.
1378 (flow_loops_find): Do not call flow_loops_level_compute.
1379 * cfgloop.h (struct loop): Remove level field.
1381 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1383 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1384 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1385 Use vector of edges instead of array.
1386 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1387 estimate_numbers_of_iterations_loop): Ditto.
1388 * predict.c (predict_loops): Ditto.
1389 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1390 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1392 * basic-block.h: Declare heap allocation for edge vectors.
1393 * tree-outof-ssa.c: Ditto.
1394 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1395 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1397 2006-11-20 Zack Weinberg <zackw@panix.com>
1399 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1400 Add another out parameter, "skip".
1401 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1402 is tagged "skip", do not mark its type used.
1404 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1407 * tree-sra.c (single_scalar_field_in_record_p): New function.
1408 (decide_block_copy): Use it.
1410 2006-11-20 David Daney <ddaney@avtrex.com>
1412 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1413 PC to point to following instruction.
1415 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1419 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1421 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1423 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1425 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1426 Add sh/superh.h to tm_file.
1428 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1429 Mark Mitchell <mark@codesourcery.com>
1431 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1433 (cpp_relocated): New function.
1434 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1436 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1437 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1438 replace configured prefix with gcc_exec_prefix.
1440 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1442 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1443 bfin_legitimate_constant_p.
1444 * config/bfin/bfin.md (movsi expander): Check return value of
1446 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1447 (expand_move): Adjust prototype.
1448 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1449 invalid constants specially.
1450 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1452 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1454 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1455 sibcall_value_symbol): Allow these patterns if
1456 TARGET_LEAF_ID_SHARED_LIBRARY.
1457 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1458 (override_options): Turn on id shared library flags if -msep-data,
1459 but disallow the combination of these options on the command line.
1460 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1461 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1462 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1463 -mid-shared-library.
1464 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1465 * doc/invoke.texi (Blackfin Options): Document new switches.
1467 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1468 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1470 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1471 inflate costs for addresses with an out-of-bounds address.
1473 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1476 * fwprop.c (loops): Remove.
1477 (forward_propagate_into): Use current_loops instead of
1479 (fwprop_init): Call loop_optimizer_init instead of
1481 (fwprop_done): Call loop_optimizer_finalize instead of
1483 (fwprop): Use current_loops instead of loops.
1485 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1488 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1490 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1493 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1494 larger than BITS_PER_WORD.
1496 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1500 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1501 to MAX_FIXED_MODE_SIZE.
1503 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1505 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1506 (fold_builtin_fmin_fmax): New.
1507 (fold_builtin_1): Use it.
1509 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1511 2006-11-18 Richard Guenther <rguenther@suse.de>
1513 * config/i386/i386.c (ix86_builtins): New array for ix86
1514 builtin function decls.
1515 (def_builtin): New function.
1516 (def_builtin_const): Likewise.
1517 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1519 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1521 * doc/invoke.texi (core2): Add item.
1523 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1525 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1526 (TARGET_CPU_DEFAULT_generic): Change value.
1527 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1528 (processor_type): Add new constant PROCESSOR_CORE2.
1530 * config/i386/i386.md (cpu): Add core2.
1532 * config/i386/i386.c (core2_cost): New initialized variable.
1533 (m_CORE2): New macro.
1534 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1535 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1536 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1537 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1538 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1539 x86_accumulate_outgoing_args, x86_prologue_using_move,
1540 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1541 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1542 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1543 x86_pad_returns): Add m_CORE2.
1544 (override_options): Add entries for Core2.
1545 (ix86_issue_rate): Add case for Core2.
1547 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1549 * doc/invoke.texi: Fix mno-isel typo.
1551 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1553 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1554 easy vector constant loads.
1556 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1558 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1559 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1560 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1561 * config/rs6000/sync.md (lwsync): Emit plain sync if
1564 2006-11-17 DJ Delorie <dj@redhat.com>
1566 * reload1.c (reloads_unique_chain): New.
1567 (reloads_conflict): Call it.
1569 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1571 * config/xtensa/predicates.md (addsubx_operand): New.
1572 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1573 (xtensa_emit_bit_branch): New.
1574 (xtensa_emit_movcc): New.
1575 * config/xtensa/xtensa.md (any_minmax): New code macro.
1576 (minmax): New code attribute.
1577 (any_cond, any_scc, any_scc_sf): New code macros.
1578 (*addx2, *addx4, *addx8): Delete.
1580 (*subx2, *subx4, *subx8): Delete.
1582 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1583 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1584 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1585 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1586 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1587 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1588 (movsfcc_internal0, movsfcc_internal1): Likewise.
1589 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1590 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1591 (xtensa_emit_bit_branch): New.
1592 (xtensa_emit_movcc): New.
1593 (function_arg_boundary): Add missing prototype.
1595 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1597 * config/xtensa/xtensa.md (tstsi): Delete
1599 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1601 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1603 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1605 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1607 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1609 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1611 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1613 * tree-vrp.c (execute_vrp): Do not update current_loops.
1614 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1615 * doc/loop.texi: Remove documentation for cancelled functions.
1616 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1617 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1619 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1620 (remove_path): Ensure that in delete_basic_blocks, the loops
1621 are still allocated.
1622 (add_loop): Work on valid loop structures.
1623 (loopify): Modify call of add_loop.
1624 (mfb_update_loops): Removed.
1625 (create_preheader): Do not update loops explicitly.
1626 (force_single_succ_latches, loop_version): Do not use
1627 loop_split_edge_with.
1628 (loop_split_edge_with): Removed.
1629 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1630 Do not use bsi_insert_on_edge_immediate_loop.
1631 (split_loop_exit_edge, tree_unroll_loop): Do not use
1632 loop_split_edge_with.
1633 (bsi_insert_on_edge_immediate_loop): Removed.
1634 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1635 use loop_split_edge_with.
1636 * cfghooks.c: Include cfgloop.h.
1637 (verify_flow_info): Verify that loop_father is filled iff current_loops
1639 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1640 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1642 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1644 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1645 loop_split_edge_with.
1646 (sms_schedule): Use current_loops.
1647 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1648 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1650 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1651 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1652 * ifcvt.c (if_convert): Ditto.
1653 * predict.c (predict_loops): Do not clear current_loops.
1654 (tree_estimate_probability): Use current_loops.
1655 (propagate_freq): Receive head of the region to propagate instead of
1657 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1658 (estimate_loops): New function. Handle case current_loops == NULL.
1659 (estimate_bb_frequencies): Do not allocate tovisit. Use
1661 * tree-ssa-loop.c (current_loops): Removed.
1662 (tree_loop_optimizer_init): Do not return loops.
1663 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1664 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1665 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1666 Do not update loops explicitly.
1667 * function.h (struct function): Add x_current_loops field.
1668 (current_loops): New macro.
1669 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1670 * loop-unroll.c (split_edge_and_insert): New function.
1671 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1672 use loop_split_edge_with.
1673 * loop-doloop.c (add_test, doloop_modify): Ditto.
1674 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1675 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1676 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1677 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1679 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1680 (flow_loops_free): Do not free dfs_order and rc_order.
1681 (flow_loops_find): Do not set dfs_order and rc_order in loops
1682 structure. Do not call loops and flow info verification.
1683 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1684 already belongs to some loop.
1685 * cfgloop.h (struct loops): Remove struct cfg.
1686 (current_loops, loop_split_edge_with): Declaration removed.
1687 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1688 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1689 Declaration removed.
1690 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1691 * basic-block.h (split_edge_and_insert): Declare.
1692 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1694 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1696 PR tree-optimization/29801
1697 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1698 (get_default_value): Use get_symbol_constant_value.
1699 (set_lattice_value): ICE when the value of the constant is
1701 (visit_assignment): Ignore VDEFs of read-only variables.
1703 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1705 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1707 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1708 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1710 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1712 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1713 select subvars of var.
1715 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1718 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1719 optimize if DEF doesn't have integral type.
1721 2006-11-16 Mike Stump <mrs@apple.com>
1723 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1724 pre-darwin9 system, unless the user asks for it directly.
1725 (PREFERRED_DEBUGGING_TYPE): Likewise.
1726 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1727 * config.gcc: Add suppport for darwin9.h.
1728 * config/darwin9.h: Add.
1729 * doc/install.texi (Specific): Clarify darwin documentation.
1731 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1733 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1734 optimizing for size.
1736 2006-11-16 Mike Stump <mrs@apple.com>
1738 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1740 2006-11-16 Dirk Mueller <dmueller@suse.de>
1742 * tree-vrp.c (get_value_range): Use XCNEW instead
1744 (insert_range_assertions): Use XCNEWVEC instead
1745 of XNEWVEC and memset.
1746 (vrp_initialize): Same.
1747 (vrp_finalize): Same.
1748 * tree-ssa-ccp.c (ccp_initialize): Same.
1749 * predict.c (tree_bb_level_predictions): Same.
1750 * calls.c (expand_call): Same.
1751 * tree-ssa-copy.c (init_copy_prop): Same.
1752 (fini_copy_prop): Same.
1753 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1754 of GGC_NEW and memset.
1756 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1759 * gimplify.c (gimplify_expr): Only force a load for references to
1760 non-BLKmode volatile values.
1761 * doc/implement-c.texi (Qualifiers implementation): Document the
1762 interpretation of what a volatile access is.
1763 * doc/extend.texi (C++ Extensions): Rework same documentation.
1765 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1767 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1770 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1772 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1774 (arm_neg_abssi2): Renamed from neg_abssi2.
1775 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1777 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1779 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1780 number of arguments passed to local functions in SSE registers is 3.
1782 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1783 number of arguments passed in SSE registers to 3.
1785 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1788 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1790 (get_last_bb_insn): ... new global function.
1791 (basic_block.h): Declare it.
1792 * haifa-sched.c (create_recovery_block): Use it.
1794 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1797 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1799 2006-11-15 Paul Brook <paul@codesourcery.com>
1801 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1802 _Unwind_GetTextRelBase): Move from here ...
1803 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1804 _Unwind_GetTextRelBase): ... To here.
1806 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1808 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1809 addresses we generate for testing are aligned.
1811 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1814 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1815 to what is the const decl is a place holder for.
1817 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1819 * config/i386/i386.opt: New target option -mx87regparm.
1821 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1822 and float_in_x87 variables. mmx_words, sse_words: Remove.
1823 (X87_REGPARM_MAX): Define.
1825 * config/i386/i386.c (override_options): Error out for
1826 -mx87regparm but no 80387 support.
1827 (ix86_attribute_table): Add x87regparm.
1828 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1829 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1830 (ix86_function_x87regparm): New function.
1831 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1833 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1835 (function_arg_advance): Process x87_nregs and x87_regno when
1836 floating point argument is to be passed in 80387 register.
1837 (function_arg): Pass XFmode arguments in 80387 registers for local
1838 functions. Pass SFmode and DFmode arguments to local functions
1839 in 80387 registers when flag_unsafe_math_optimizations is set.
1841 * reg-stack.c (convert_regs_entry): Disable NaN load for
1842 stack registers that are used for argument passing.
1844 * doc/extend.texi: Document x87regparm function attribute.
1845 * doc/invoke.texi: Document -mx87regparm.
1847 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1849 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1850 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1851 arg MODE; all callers changed. Use it to determine validity per
1852 machine mode instead of using Pmode for all memory references.
1853 (get_address_cost): Likewise add and use new arg MEM_MODE.
1855 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1856 J"orn Rennecke <joern.rennecke@st.com>
1858 * combine.c (likely_spilled_retval_1): Fix masking operation.
1859 (likely_spilled_retval_p): Use proper pattern for call to
1860 likely_spilled_retval_1.
1862 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1864 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1866 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1867 that tests for CONSTANT_POOL_ADDRESS_P.
1869 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1871 PR tree-optimization/29581
1872 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1873 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1874 type is different between Y and USE, create a temporary
1875 variable, initialize it at the beginning of the body bb
1876 and use it as replacement instead of Y.
1878 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1881 * gimplify.c (fold_indirect_ref_rhs): Use
1882 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1884 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1886 * expmed.c (emit_store_flag_1): New function.
1887 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1889 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1890 Use do_compare_rtx_and_jump.
1891 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1892 * arm.md (cstoresi4): New define_expand.
1893 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1894 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1895 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1897 2006-11-14 Caroline Tice <ctice@apple.com>
1899 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1900 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1902 (pubname_table): Redefine as a vector.
1903 (pubtype_table): New static global variable, defined as a vector.
1904 (pubname_table_allocated): Remove static global variable.
1905 (pubname_table_in_use): Remove static global variable.
1906 (PUBNAME_TABLE_INCREMENT): Remove constant.
1907 (size_of_pubnames): Add parameter to deal with either pubnames or
1908 pubtypes, and change code to deal with table being a vector.
1909 (add_pubname): Change to deal with table being a vector.
1910 (add_pubtype): New function.
1911 (output_pubnames): Add parameter to deal with either pubnames or
1912 pubtypes, and change code to deal with table being a vector.
1913 (gen_array_type_die): Add call to add_pubtype.
1914 (gen_enumeration_type_die): Add call to add_pubtype.
1915 (gen_struct_or_union_type_die): Add call to add_pubtype.
1916 (gen_subroutine_type_die): Add call to add_pubtype.
1917 (gen_typedef_die): Add call to add_pubtype.
1918 (dwarf2out_init): Add code to initialize pubname_table and
1919 pubtype_table vectors; also initialize debug_pubtypes_section.
1920 (prune_unused_types): Change to deal with pubnames being a vector.
1921 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1922 pubnames table to call to output_pubnames; Add code to output pubtypes
1923 table if DEBUG_PUBTYPES_SECTION is defined.
1924 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1926 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1928 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1930 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1931 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1932 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1933 movv2si_internal): Support moves between core registers.
1935 2006-11-14 Eric Christopher <echristo@apple.com>
1937 * configure: Regenerate with autoconf 2.59.
1939 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1941 Fix PR tree-optimization/27755
1943 * tree-ssa-pre.c: Update comments.
1944 (bb_bitmap_sets): Add pa_in and deferred member.
1945 (BB_DEFERRED): New macro.
1946 (maximal_set): New variable.
1947 (pre_stats): Add pa_insert member.
1948 (bitmap_set_and): Short circuit orig == dest.
1949 (bitmap_set_subtract_values): New function.
1950 (bitmap_set_contains_expr): Ditto.
1951 (translate_vuses_through_block): Add phiblock argument.
1952 (dependent_clean): New function.
1953 (compute_antic_aux): Update for maximal_set changes.
1954 (compute_partial_antic_aux): New function.
1955 (compute_antic): Handle partial anticipation.
1956 (do_partial_partial_insertion): New function.
1957 (insert_aux): Handle partial anticipation.
1958 (add_to_sets): Add to maximal set.
1959 (compute_avail): Ditto.
1960 (init_pre): Initialize maximal_set.
1961 (execute_pre): Do partial anticipation if -O3+.
1963 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1965 PR rtl-optimization/29798
1967 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1968 TARGET_INSN before any other check.
1969 (fwprop_init): Always calculate dominators.
1970 (fwprop_done): Always free them.
1972 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1977 2006-11-13 DJ Delorie <dj@redhat.com>
1979 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1980 temporary for intermediates.
1982 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1984 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1985 (sh_optimize_target_register_callee_saved): #if 0 the code
1986 using NOTE_INSN_LOOP_{BEG,END}.
1988 2006-11-13 Roger Sayle <roger@eyesopen.com>
1990 * fold-const.c (optimize_bit_field_compare): Recursively call
1991 fold when simplifying non-constant comparisons between bit-fields.
1993 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1995 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1997 * configure: Rebuilt.
1999 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
2001 * config/rs6000/cell.md: New file.
2002 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
2004 (ppccell_cost): New cost matrix.
2005 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
2006 (rs6000_override_options): Set rs6000_always_hint to false
2007 for cell. Also align functions/lables/loops to 8byte
2008 for the Cell. Use PROCESSOR_CELL.
2009 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
2010 using_mtcr_multiple.
2011 (rs6000_variable_issue): If the insn is a nonpipelined instruction
2012 on the Cell, return 0.
2013 (rs6000_adjust_cost): Add Cell cost adjustments.
2014 (is_microcoded_insn): Return true for Cell microcoded
2016 (is_nonpipeline_insn): New function.
2017 (rs6000_issue_rate): Add PROCESSOR_CELL.
2018 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
2020 (rs6000_use_sched_lookahead_guard): New function.
2021 (rs6000_sched_reorder): Reorder the ready list, if the second
2022 to last ready insn is a nonepipeline insn on the Cell.
2023 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
2024 (ASM_CPU_SPEC): Add Cell.
2025 * config/rs6000/rs6000.md (cpu): Add Cell.
2026 (cell_micro): New Attr.
2029 2006-11-13 Jakub Jelinek <jakub@redhat.com>
2031 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
2033 * configure: Rebuilt.
2035 2006-11-13 Richard Guenther <rguenther@suse.de>
2037 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
2039 (ix86_expand_lfloorceil): Likewise.
2040 (ix86_expand_rint): Likewise.
2041 (ix86_expand_floorceildf_32): Likewise.
2042 (ix86_expand_floorceil): Likewise.
2043 (ix86_expand_rounddf_32): Likewise.
2044 (ix86_expand_truncdf_32): Likewise.
2045 (ix86_expand_round): Likewise.
2047 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
2048 Mark Mitchell <mark@codesourcery.com>
2050 * gcc.c: Organize search path variables into $prefix relative,
2051 and well-known native. Add comments.
2052 (add_sysrooted_prefix): Add comment.
2053 (process_command): If !gcc_exec_prefix add $prefix based paths.
2054 If *cross_compile == '0', add native well-known paths.
2055 Assert tooldir_base_prefix is always relative.
2056 (main): If print_search_dirs, and if gcc_exec_prefix is set,
2057 use this value for 'install:' path.
2058 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
2060 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2062 * config/i386/i386.c: Fix a typo in comment.
2064 2006-11-13 Michael Matz <matz@suse.de>
2066 * genemit.c (gen_expand): Allocate enough memory.
2068 2006-11-13 Joseph Myers <joseph@codesourcery.com>
2070 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
2071 __GXX_TYPEINFO_EQUALITY_INLINE but not
2072 __GXX_MERGED_TYPEINFO_NAMES.
2073 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
2074 __GXX_MERGED_TYPEINFO_NAMES.
2075 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
2076 __GXX_TYPEINFO_EQUALITY_INLINE.
2078 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
2079 Zdenek Dvorak <dvorakz@suse.cz>
2081 PR tree-optimization/29680
2082 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
2085 2006-11-12 Jason Merrill <jason@redhat.com>
2086 Andrew Pinski <pinskia@physics.uc.edu>
2089 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
2091 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
2093 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
2094 * tree.c (build_vector): Handle non-_CST elements.
2096 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
2098 * genemit.c (gen_insn): Call gen_exp with a non-null used
2099 when handling multiple insns.
2100 (gen_expand): Likewise.
2101 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
2102 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
2103 (movsi_const_16bit+1): Copy operands[1].
2104 (call_pcrel): Copy the call_site pattern.
2105 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
2107 2006-11-12 Roger Sayle <roger@eyesopen.com>
2109 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
2110 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
2111 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
2112 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
2114 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
2116 Fix PR tree-optimization/29587
2117 * tree-ssa-structalias.c (process_constraint): Don't
2118 mark address taken due only to escaped vars constraint.
2120 2006-11-12 Michael Matz <matz@suse.de>
2121 Roger Sayle <roger@eyesopen.com>
2123 PR rtl-optimization/29797
2124 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
2125 BITS_BIG_ENDIAN targets.
2127 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2129 * builtins.c (fold_builtin_cosh): New.
2130 (fold_builtin_1): Use it.
2131 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
2132 trunc to the list of "odd" functions. Also add llrint, lrint,
2133 rint and nearbyint when flag_rounding_math is false.
2135 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2137 * tree-flow.h (name_mappings_registered_p): Declare.
2138 * tree-into-ssa.c (name_mappings_registered_p): New function.
2139 * tree-cfg.c (tree_can_merge_blocks_p): Check
2140 name_mappings_registered_p instead of need_ssa_update_p.
2142 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2144 * tree-ssa-loop.c (tree_vectorize): Return the result of
2146 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
2147 if anything changed.
2148 * tree-vectorizer.h (vectorize_loops): Declaration removed.
2149 * tree-flow.h (vectorize_loops): Declaration changed.
2151 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2153 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
2155 (issue_prefetch_ref): Move assignment to write_p out of loop.
2156 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
2157 SIMULTANEOUS_PREFETCHES into account.
2158 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
2159 * lambda-code.c (lcm): Renamed to ...
2160 (least_common_multiple): ... and exported.
2161 * tree-flow.h (least_common_multiple): Declare.
2163 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2165 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2166 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2167 ud-chains. Handle AND_EXPR.
2168 (record_estimate): Record whether the estimate is realistic
2169 and whether it is derived from a loop exit.
2170 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2171 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2173 (compute_estimated_nb_iterations): Take only realistic bounds into
2174 account. Set estimate_state. Use double_ints.
2175 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2176 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2177 that do not have to be always executed.
2178 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2179 to determine whether to call infer_loop_bounds_from_undefined
2180 and compute_estimated_nb_iterations.
2181 (n_of_executions_at_most): Use double_ints.
2182 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2183 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2184 * double-int.c (double_int_to_tree): Improve comment.
2185 (double_int_fits_to_tree_p): New function.
2186 * double-int.h (double_int_fits_to_tree_p): Declare.
2187 * tree-data-ref.c: Include langhooks.h.
2188 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2189 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2190 (analyze_array): Do not pass estimate_only argument to
2191 analyze_array_indexes.
2192 (get_number_of_iters_for_loop): Build tree from the stored double_int
2194 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2195 (find_data_references_in_loop): Use find_data_references_in_stmt.
2196 * tree-data-ref.h (struct data_ref_loc_d): New.
2197 (get_references_in_stmt): Declare.
2198 (estimate_iters_using_array): Declaration removed.
2199 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2200 double_int. Improve comments. Add is_exit and realistic
2202 (struct loop): Changed type of estimated_nb_iterations to double_int.
2203 Added estimate_state field.
2204 (record_estimate): Declaration removed.
2206 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2208 * params.c (set_param_value): Initialize the "set" field.
2209 * params.h (struct param_info): Add "set" field.
2210 (PARAM_SET_P): New macro.
2211 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2212 L1_CACHE_LINE_SIZE): New macros.
2213 * toplev.c (DEFPARAM): Initialize the "set" field.
2214 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2215 SIMULTANEOUS_PREFETCHES): Removed.
2216 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2217 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2218 * config/sparc/sparc.c: Include params.h.
2219 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2220 L1_CACHE_LINE_SIZE parameters.
2221 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2223 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2225 * config/i386/i386.c: Include params.h.
2226 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2227 (override_options): Set SIMULTANEOUS_PREFETCHES and
2228 L1_CACHE_LINE_SIZE parameters.
2229 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2230 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2231 L1_CACHE_LINE_SIZE parameters.
2232 * config/ia64/ia64.c (ia64_optimization_options): Set
2233 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2234 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2236 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2237 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2238 * doc/invoke.texi: Document new params.
2240 2006-11-12 Roger Sayle <roger@eyesopen.com>
2242 PR tree-optimization/13827
2243 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2246 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2248 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2249 update_single_exit_for_duplicated_loops): New functions.
2250 (duplicate_loop_to_header_edge): Use
2251 update_single_exit_for_duplicated_loops.
2252 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2253 functions only with ENABLE_CHECKING.
2255 2006-11-12 Andreas Schwab <schwab@suse.de>
2257 * except.c (sjlj_emit_function_enter): Remove unused variable.
2259 2006-11-11 Roger Sayle <roger@eyesopen.com>
2261 * fold-const.c (int_binop_types_match_p): New function.
2262 (size_binop): Relax constraint that both arguments must both have
2263 exactly the same sizetype type. Instead use int_binop_types_match_p.
2264 (size_diffop): Likewise.
2266 (make_range): Use build_int_cst instead of fold_convert.
2267 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2268 integer constants of the correct type.
2269 (fold_div_compare): Likewise.
2270 (fold_single_bit_test): Likewise.
2271 (fold_binary): Likewise.
2272 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2273 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2275 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2278 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2279 non null value if the struct memory access is in the 0th
2282 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2285 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2286 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2289 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2290 instead of builtin_define for bfin and BFIN.
2292 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2294 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2297 2006-11-11 Jan Hubicka <jh@suse.cz>
2299 * extend.texi (__builtin_expect): We no longer require second argument
2301 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2302 * builtins.c (expand_builtin_expect): Simplify.
2303 (expand_builtin_expect_jump): Kill.
2304 * final.c (final_scan_insn): Do not skip the removed notes.
2305 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2306 EXPECTED_VALUE): Remove.
2307 * dojump.c (do_jump): Do not care about __builtin_expect.
2308 * predict.c (expected_value_to_br_prob): Kill.
2309 * function.c (expand_function_end): Do not expand
2310 NOTE_INSN_REPEATED_LINE_NUMBER.
2311 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2312 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2313 * cfgexpand.c (add_reg_br_prob_note): Export.
2314 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2315 expected_value_to_br_prob.
2316 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2317 * rtl.h (add_reg_br_prob_note): Declare.
2319 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2321 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2323 2006-11-11 Jan Hubicka <jh@suse.cz>
2325 * predict.c (predict_loops): Kill RTL variant.
2327 2006-11-11 Jan Hubicka <jh@suse.cz>
2329 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2330 * modulo-sched.c (find_line_note): Remove.
2331 (loop_canon_p): Do not worry about line number notes.
2332 (sms_schedule): Likewise.
2333 * cse.c (cse_main): Likewise.
2334 * regmove.c (fixup_match_1): Likewise
2335 * function.c (emit_return_info_block): Likewise.
2336 (expand_function_end): Likewise.
2337 (thread_prologue_an_epilogue_insns): Likewise.
2338 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2340 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2341 emit_note_copy_after): Kill.
2342 (emit_note_copy): Do not worry about line numbers.
2343 * jump.c (purge_line_number_notes): Kill.
2344 (pass_purge_lineno_notes): Kill.
2345 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2347 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2348 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2349 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2350 * tree-pass.h (pass_purge_lineno_notes): Kill.
2351 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2352 rm_redundant_line_notes.
2353 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2354 rm_redundant_line_notes.
2355 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2356 * haifa-sched.c: Update comment about handling notes.
2357 (unlink_line_notes): Kill.
2358 (rm_line_notes): Kill.
2359 (save_line_notes): Simplify.
2360 (rm_redundant_line_notes): Kill.
2362 2006-11-11 Richard Guenther <rguenther@suse.de>
2364 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2365 Remove unused tree codes.
2366 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2367 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2368 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2369 * tree.c (stabilize_reference): Likewise.
2370 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2371 fold_unary): Likewise.
2372 * tree-gimple.c (is_gimple_cast): Likewise.
2373 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2374 * expr.c (expand_expr_real_1): Likewise.
2375 * tree-eh.c (tree_could_trap_p): Likewise.
2376 * gimplify.c (gimplify_expr): Likewise.
2377 * tree-inline.c (estimate_num_insns_1): Likewise.
2378 * tree-cfg.c (verify_expr): Likewise.
2380 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2382 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2383 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2384 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2386 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2389 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2390 constraints accept neither registers or memories.
2392 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2394 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2395 (NO_PROFILE_COUNTERS): Define as 1.
2397 2006-11-10 Roger Sayle <roger@eyesopen.com>
2399 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2400 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2402 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2404 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2406 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2409 (fold_builtin_hypot): Likewise.
2410 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2412 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2414 2006-11-10 Roger Sayle <roger@eyesopen.com>
2416 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2417 when attempting to build INTEGER_CSTs of non-integral types.
2418 * expmed.c (make_tree): Use the correct type, i.e. the inner
2419 type, when constructing the individual elements of a CONST_VECTOR.
2421 2006-11-10 Jan Hubicka <jh@suse.cz>
2423 * cse.c (cse_process_notes): Copy the propagated value.
2424 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2426 * gcse.c (try_replace_reg): Copy the replacement.
2427 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2428 (assign_386_stack_local): Always return copied memory expression
2429 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2432 2006-11-10 Jan Hubicka <jh@suse.cz>
2434 * final.c (final): Walk from first instruction.
2435 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2437 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2440 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2442 (umulv8hi3_highpart): Ditto.
2443 (vec_widen_smult_hi_v8hi): New expander.
2444 (vec_widen_smult_lo_v8hi): Ditto.
2446 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2449 * builtins.c (do_mpfr_arg3): New.
2450 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2452 2006-11-09 Eric Christopher <echristo@apple.com>
2457 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2458 * config.gcc (powerpc64-*-darwin*): New target.
2459 * config.host: Ditto.
2460 * config/rs6000/darwin64.h: New file.
2461 * config/rs6000/x-darwin64: Ditto.
2462 * config/rs6000/host-ppc64-darwin.c: Ditto.
2464 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2466 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2467 routines for integer division.
2469 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2471 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2473 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2476 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2478 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2480 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2481 simplify_subreg with BLKmode outer mode.
2483 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2485 * doc/invoke.texi: Minor formatting fixes in option lists.
2487 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2489 PR tree-optimization/29738
2490 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2491 (ccp_lattice_t): Remove UNKNOWN_VAL.
2492 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2493 Do not handle UNKNOWN_VAL.
2494 (get_default_value): Set initial value of virtual operands to
2496 (get_value): Always use get_default_value on uninitialized
2498 (set_value_varying, surely_varying_stmt_p): New functions.
2499 (set_lattice_value): Do not pass argument to get_value.
2500 Do not handle UNKNOWN_VAL.
2501 (likely_value): Follow the semantics described in the comment.
2502 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2503 phi nodes DONT_SIMULATE_AGAIN.
2504 (ccp_fold): Do not pass argument to get_value.
2505 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2508 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2510 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2511 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2513 2006-11-08 Roger Sayle <roger@eyesopen.com>
2515 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2516 test for inclusion rather than as a test for exclusion.
2517 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2518 the condition after calling fold_binary.
2519 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2520 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2521 * builtins.c (fold_builtin_isascii): Likewise.
2522 (fold_builtin_isdigit): Likewise.
2524 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2526 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2527 * configure: Regenerate.
2529 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2531 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2532 enum argument instead of bool.
2533 (vect_analyze_operations): Call vectorizable_type_promotion.
2534 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2535 stmt_vec_info_type value.
2536 (supportable_widening_operation, vectorizable_type_promotion): New
2537 function declarations.
2538 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2539 (vectorizable_type_promotion): New function.
2540 (vect_transform_stmt): Call vectorizable_type_promotion.
2541 * tree-vect-analyze.c (supportable_widening_operation): New function.
2542 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2544 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2547 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2548 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2549 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2551 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2552 * expr.c (expand_expr_real_1): Likewise.
2553 * optabs.c (optab_for_tree_code): Likewise.
2554 (init_optabs): Initialize new optabs.
2555 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2556 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2557 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2558 vec_unpacku_lo_optab): Initialize new optabs.
2559 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2560 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2561 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2563 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2564 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2565 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2566 (vec_unpacku_lo_optab): New optabs.
2567 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2568 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2569 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2570 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2571 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2572 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2574 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2575 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2576 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2577 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2578 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2579 implement the unsigned unpacking patterns.
2580 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2581 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2582 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2583 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2584 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2585 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2586 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2587 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2588 multiplication patterns.
2590 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2591 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2592 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2593 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2594 (rs6000_builtin_mul_widen_odd): New.
2595 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2596 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2597 * tree-vectorizer.h (enum vect_relevant): New enum type.
2598 (_stmt_vec_info): Field relevant chaned from bool to enum
2600 (STMT_VINFO_RELEVANT_P): Updated.
2601 (STMT_VINFO_RELEVANT): New.
2602 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2603 instead of STMT_VINFO_RELEVANT_P.
2604 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2605 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2606 and boolean variable with enum vect_relevant.
2607 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2608 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2609 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2611 2006-11-08 Richard Henderson <rth@redhat.com>
2613 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2614 vec_widen_umult_lo_v8hi): New.
2615 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2616 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2618 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2619 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2620 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2621 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2622 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2623 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2624 vec_unpacks_lo_v4si): New.
2626 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2628 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2629 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2630 (vect_analyze_operations): Call vectorizable_type_demotion.
2631 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2632 stmt_vec_info_type value.
2633 (vectorizable_type_demotion): New function declaration.
2634 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2637 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2638 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2640 * tree-iniline.c (estimate_num_insns_1): Likewise.
2641 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2642 * optabs.c (optab_for_tree_code): Likewise.
2644 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2645 compared against the predicate of the result is not 'mode' (the input
2646 to the function) but a mode with half the size of 'mode'.
2647 (init_optab): Initialize new optabs.
2648 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2650 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2652 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2653 (vec_pack_usat_optab): Initialize new optabs.
2654 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2655 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2657 2006-11-08 Richard Henderson <rth@redehat.com>
2659 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2660 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2661 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2662 (vec_interleave_highv4si, vec_interleave_lowv4si):
2663 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2665 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2667 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2669 (vect_transform_stmt): Removed redundant code.
2671 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2673 * tree-vect-transform.c (vectorizable_operation): Support multiple
2676 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2678 * tree-vect-transform.c (vect_align_data_ref): Removed.
2679 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2680 Updated function documentation. Return the increment stmt in ptr_incr.
2681 (bump_vector_ptr): New function.
2682 (vect_get_vec_def_for_stmt_copy): New function.
2683 (vect_finish_stmt_generation): Create a stmt_info to newly created
2685 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2687 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2688 VF is greater than the number of elements that can fit in one vector
2690 (vectorizable_operation, vectorizable_condition): Likewise.
2691 (vectorizable_store, vectorizable_load): Support the case that the VF
2692 is greater than the number of elements that can fit in one vector word.
2693 (vect_transform_loop): Don't fail in case of multiple data-types.
2694 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2695 in case of multiple data-types; the smallest type determines the VF.
2696 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2697 if they are of different sizes.
2698 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2699 number of elements rather than number of bytes.
2700 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2701 (vect_can_advance_ivs_p): Fix a dump printout
2703 2006-11-07 Eric Christopher <echristo@apple.com>
2705 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2706 (__bswapsi2): Ditto.
2707 * libgcc2.h: Remove transformation of bswap routines.
2708 * config/i386/i386.md (bswapsi2): New.
2711 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2713 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2714 (handle_gnu_inline_attribute): New function.
2715 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2716 (merge_decls, start_decl, start_function): Likewise.
2717 * doc/extend.texi: Document gnu_inline attribute.
2719 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2722 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2723 _fixunstfdi, and _floatditf
2725 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2727 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2729 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2730 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2731 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2732 which start in an odd register.
2734 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2736 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2738 2006-11-07 Josh Conner <jconner@apple.com>
2740 * doc/invoke.texi (fstrict-aliasing): Move implementation
2742 * doc/tree-ssa.texi (Alias analysis): ...here.
2744 2006-11-07 Richard Guenther <rguenther@suse.de>
2746 PR tree-optimization/29610
2747 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2748 of tree_purge_dead_eh_edges as it may free dominators.
2750 * g++.dg/other/pr29610.C: New testcase.
2752 2006-11-07 David Ung <davidu@mips.com>
2754 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2755 costs when optimizing for size.
2756 (override_options): Use mips_rtx_cost_optimize_size table for cost
2759 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2761 * gcc.c (process_command): Treat -b as normal switch if its argument
2764 2006-11-07 David Ung <davidu@mips.com>
2766 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2769 2006-11-06 Eric Christopher <echristo@apple.com>
2771 * config.gcc: Add x86_64-darwin host support.
2772 * config.host: Ditto.
2773 * config/i386/darwin64.h: New file.
2774 * config/i386/t-darwin64: Ditto.
2776 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2778 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2779 and output-exists-not.
2781 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2784 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2785 checking for overflow.
2787 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2789 * configure.ac: Fixed typo in case statement: :: changed to ;;
2791 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2793 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2794 count_leading_zeros, and count_trailing_zeros.
2795 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2796 (TARGET_FOLD_BUILTIN): Define.
2797 (TARGET_EXPAND_BUILTIN): Define.
2798 (xtensa_init_builtins): New.
2799 (xtensa_fold_builtin): New.
2800 (xtensa_expand_builtin): New.
2801 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2802 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2803 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2804 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2805 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2806 (any_extend): New code macro.
2807 (u, su): New code attributes.
2808 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2809 (nsau): Remove; replaced by clzsi2.
2810 (ffssi2): Use clzsi2.
2811 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2812 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2813 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2814 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2815 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2817 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2819 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2821 * config/arm/t-strongarm-elf: Likewise.
2822 * config/arm/t-pe: Likewise.
2823 * config/arm/t-arm-elf: Likewise.
2824 * config/arm/t-xscale-elf: Likewise.
2825 * config/arm/t-arm-coff: Likewise.
2826 * config/arm/t-xscale-coff: Likewise.
2827 * config/arm/t-wince-pe: Likewise.
2829 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2831 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2834 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2837 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2840 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2843 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2844 as a valid 80387 constant.
2845 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2846 * config/i386/i386.md (unnamed splitter): Split the load of
2847 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2850 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2852 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2853 from the soft-frame, argument and virtual registers.
2855 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2857 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2858 patterns for standard 80387 constants.
2860 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2861 Steven Bosscher <steven@gcc.gnu.org>
2863 * fwprop.c: New file.
2864 * Makefile.in: Add fwprop.o.
2865 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2866 * passes.c (init_optimization_passes): Schedule forward propagation.
2867 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2869 * timevar.def (TV_FWPROP): New.
2870 * common.opt (-fforward-propagate): New.
2871 * opts.c (decode_options): Enable forward propagation at -O2.
2872 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2873 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2874 canon_for_address, table_size): Remove.
2875 (new_basic_block, insert, remove_from_table): Remove references to
2877 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2878 simplification loop more straightforward by not calling fold_rtx
2880 (equiv_constant): Move here a small part of fold_rtx_subreg,
2881 do not call fold_rtx. Call avoid_constant_pool_reference
2883 * recog.h (canonicalize_change_group): New.
2885 * doc/invoke.texi (Optimization Options): Document fwprop.
2886 * doc/passes.texi (RTL passes): Document fwprop.
2888 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2890 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2891 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2892 (grokdeclarator): Likewise.
2894 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2896 * tree-dump.c (dump_enable_all): Rename local variable
2897 ir_type to avoid name conflicts.
2898 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2899 instead of using ir_type().
2900 * profile.c (tree_register_profile_hooks): Likewise.
2901 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2902 * basic-block.h (struct edge_def): Likewise.
2903 * config/arm/arm.c (legitimize_pic_address): Likewise.
2904 * coretypes.h (ir_type): New enum of all intermediate languages
2906 * cfghooks.c (ir_type): Rename to...
2907 (current_ir_type): ...this. Distinguish between cfgrtl and
2908 cfglayout mode when the current IR is RTL. Return enum ir_type.
2909 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2911 2006-11-03 Paul Brook <paul@codesourcery.com>
2913 * config/arm/arm.c (arm_file_start): New function.
2914 (TARGET_ASM_FILE_START): Define.
2915 (arm_default_cpu): New variable.
2916 (arm_override_options): Set arm_default_cpu.
2918 2006-11-03 David Ung <davidu@mips.com>
2920 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2921 PROCESSOR_24KC and PROCESSOR_24KF.
2922 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2923 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2924 (mips_rtx_cost_data): Add costs for the 24kc.
2925 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2926 * config/mips/24k.md: Remove references to 24k and replace with
2927 uses of 24kc/24kf in the appropriate reservations.
2928 * doc/invoke.texi (MIPS Options): Updated.
2930 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2932 * config/sh/crt1.asm: Fix #ifdef indent.
2934 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2935 Merged from STMicroelectronics sources:
2936 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2937 * config/sh/crt1.asm (vbr_600): Add missing #if.
2938 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2939 * sh.opt (mfused-madd): New option.
2940 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2941 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2942 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2943 Remove pointless handler at VBR+0.
2944 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2945 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2946 fr7. Make sure the timer handler is called with the correct FPU
2947 precision setting, according to the ABI.
2948 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2949 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2950 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2951 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2952 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2953 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2954 zero as second operand.
2955 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2956 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2957 Fixed some bugs related to negative values, in particular -0
2958 and overflow at -0x80000000.
2959 * config/sh/divcost-analysis: Added sh4-300 figures.
2960 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2961 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2962 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2963 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2964 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2965 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2967 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2969 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2970 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2971 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2972 mac_mem, mem_mac, dfp_mul, fp_cmp.
2973 (insn_class, dfp_comp, any_fp_comp): Update.
2974 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2975 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2976 (muldf3_i): Likewise.
2977 (movsi_i): Split rI08 alternative into two separate alternatives.
2979 (movsi_ie, movsi_i_lowpart): Likewise.
2980 (movqi_i): Split ri alternative into two separate alternatives.
2982 * sh1.md (sh1_load_store, sh1_fp): Update.
2983 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2984 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2985 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2986 (sh4a_fp_double_arith): Likewise.
2987 * sh4-300.md: New file.
2988 * sh.c (sh_handle_option): Handle m4-300* options.
2989 (sh_adjust_cost): Fix latency of auto-increments.
2990 Handle SH4-300 differently than other SH4s. Check for new insn types.
2991 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2992 been set by an option.
2993 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2994 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2995 (mbranch-cost=): Likewise.
2996 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2998 * sh.md (mulsf3): Remove special expansion code.
2999 (mulsf3_ie): Now a define_insn_and_split.
3000 (macsf3): Allow for TARGET_SH4.
3002 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
3003 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
3004 (expand_cbranchdi4): Likewise.
3005 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
3006 CONST_DOUBLE if the outer code is COMPARE.
3007 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
3008 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
3009 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
3010 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
3011 Remove redundant fp_{zero,one}_operand checks.
3012 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
3013 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
3014 (expand_cbranchdi4): Likewise.
3015 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
3016 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
3018 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
3020 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
3023 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3025 * doc/invoke.texi: Fix mfp-trap-mode typo.
3027 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3029 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
3030 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
3031 file_end_indicate_exec_stack.
3032 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
3034 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
3035 for a non-executable stack.
3036 * crti.asm: Likewise.
3037 * crtn.asm: Likewise.
3038 * libunwind.S: Likewise.
3040 2006-11-02 Ben Elliston <bje@au.ibm.com>
3042 * tree-ssa.c (warn_uninit): Use expand_location variables for
3043 locus and declaration locus.
3045 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
3048 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
3049 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
3050 cmp{eq,gt,gtu}{si,di}_media.
3051 (*cmpne0si_media): Remove.
3052 (*movsicc_umin): Adjust gen_cmp*_media call.
3053 (unordered): Change the mode of unordered and operands[1] to
3055 (seq): Adjust gen_cmp*_media calls. Make the mode of
3056 a temporary result of compare SImode if needed. If the mode
3057 of operands[0] is DImode, extend the temporary result to DImode.
3058 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
3059 (sunorderd): Change the mode of match_operand and unorderd to
3061 (cmpeq{sf,df}_media): Remove.
3062 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
3063 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
3064 and compare operation to SImode.
3066 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
3068 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
3070 (sparc64-sun-solaris2*): Likewise.
3072 2006-11-02 Paul Brook <paul@codesourcery.com>
3074 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
3075 from priority argument. Use different section for non-default
3077 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
3079 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
3082 * except.c (switch_to_exception_section): Do not cache the section
3083 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3084 and flag_function_sections is set.
3086 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3089 * builtins.c (do_mpfr_sincos): New.
3090 (fold_builtin_1): Use it to fold builtin sincos.
3092 2006-11-01 Roger Sayle <roger@eyesopen.com>
3094 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
3095 it into -D_REENTRANT.
3097 2006-11-01 Roger Sayle <roger@eyesopen.com>
3099 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
3100 whether the assembler supports taking the difference of symbols in
3101 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
3102 * configure: Regenerate.
3103 * config.in: Regenerate.
3104 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
3105 the assembler doesn't support taking the difference of symbols in
3106 different sections, i.e. we're using the native solaris assembler.
3108 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
3109 Peter Bergner <bergner@vnet.ibm.com>
3111 * doc/invoke.texi: Add cpu_type power6x
3112 (RS/6000 and PowerPC Options): Add -mmfpgpr.
3113 * config.gcc: Add cpu_type power6x.
3114 * configure.ac: Add test for mf{t,f}gpr instructions.
3115 (HAVE_AS_MFPGPR): New.
3116 * config.in: Regenerate.
3117 * configure: Regenerate.
3118 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
3119 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
3120 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
3121 and mftgpr attributes.
3122 (define_attr "cpu"): Add power6.
3123 Change instruction sequences to use new attributes.
3124 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
3125 (fix_truncdfsi2_mfpgpr): New.
3126 (floatsidf_ppc64_mfpgpr): New.
3127 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
3128 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
3129 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
3130 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
3131 (fix_truncdfsi2): Use gpc_reg_operand constraint.
3132 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
3133 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
3134 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
3135 cntlz,exts and var_delayed_compare.
3136 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3137 _ARCH_PWR6X, if features enabled.
3138 * config/rs6000/rs6000.opt (mmfpgpr): New.
3139 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
3140 (cached_can_issue_more): New variable.
3141 (processor_costs): Add power6_cost.
3142 (rs6000_sched_init): New function.
3143 (is_dispatch_slot_restricted): Deleted.
3144 (set_to_load_agen): New function.
3145 (is_load_insn,is_store_insn): New functions.
3146 (adjacent_mem_locations): New function.
3147 (insn_must_be_first_in_group): New function.
3148 (insn_must_be_last_in_group): New function.
3149 (rs6000_sched_reorder): New function.
3150 (rs6000_sched_reorder2): New function.
3151 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
3152 TARGET_SCHED_REORDER2): Define.
3153 (processor_target_table): Use PROCESSOR_POWER6 for power6.
3154 Add power6x. Add MASK_MFPGPR for power6x.
3155 (POWERPC_MASKS): Add MASK_MFPGPR.
3156 (rs6000_override_options): Set rs6000_always_hint to false
3157 for power6. Set rs6000_align_branch_targets. Replace
3158 rs6000_sched_groups check with rs6000_align_branch_targets.
3159 Use PROCESSOR_POWER6.
3160 (last_scheduled_insn): New variable.
3161 (load_store_pendulum): New variable.
3162 (rs6000_variable_issue): Set last_scheduled_insn and
3163 cached_can_issue_more.
3164 (rs6000_adjust_cost): Add power6 cost adjustments.
3165 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3166 with insn_must_be_first_in_group. Add power6 priority adjustments.
3167 (rs6000_issue_rate): Add CPU_POWER6.
3168 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3169 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3170 (TARGET_MFPGPR): New.
3171 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3172 (ASM_CPU_SPEC): Add power6x.
3173 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3175 * config/rs6000/power6.md: New file.
3177 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3179 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3180 HOST_WIDE_INT_PRINT to print high and low parts. Use
3181 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3182 printing a hexadecimal number prefix it with 0x.
3184 2006-11-01 Chris Johns <chris@contemporary.net.au>
3187 * Makefile.in (install-driver): Use exeext when installing
3188 $target-gcc-$version.
3190 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3192 * c-common.c (flag_cpp0x): New.
3193 * c-common.h (flag_cpp0x): New.
3194 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3195 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3196 * c-opts.c (set_std_cxx0x): New.
3197 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3198 * c.opt (std=c++0x): Document.
3199 (std=gnu++0x): Ditto.
3200 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3201 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3203 2006-11-01 Richard Guenther <rguenther@suse.de>
3205 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3207 (ix86_expand_floorceildf_32): Likewise.
3208 (ix86_expand_floorceil): Likewise.
3209 (ix86_expand_trunc): Likewise.
3211 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3213 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3216 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3218 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3220 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3222 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3224 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3225 * configure.ac (use_cxa_atexit): As a special case, don't test
3226 for libc definition of __cxa_atexit on mingw32
3227 * configure: Regenerate.
3228 * config.gcc (i[34567]86-pc-mingw32): Default to
3229 enable__cxa_atexit=yes.
3231 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3233 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3235 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3238 * c-decl.c (start_struct): Don't create self-containing
3240 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3242 * config/rs6000/rs6000-protos.h
3243 (darwin_rs6000_special_round_type_align): New.
3244 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3245 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3247 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3249 * toplev.c (compile_file): Call final_write_globals
3250 even if there have been errors.
3252 2006-10-31 Eric Christopher <echristo@apple.com>
3253 Falk Hueffner <falk@debian.org>
3255 * doc/extend.texi (__builtin_bswap32): Document.
3256 (__builtin_bswap64): Ditto.
3257 * doc/libgcc.texi (bswapsi2): Document.
3259 * doc/rtl.texi (bswap): Document.
3260 * optabs.c (expand_unop): Don't widen a bswap.
3261 (init_optabs): Init bswap. Set libfuncs explicitly
3262 for bswapsi2 and bswapdi2.
3263 * optabs.h (OTI_bswap): New.
3264 (bswap_optab): Ditto.
3265 * genopinit.c (optabs): Handle bswap_optab.
3266 * tree.h (tree_index): Add TI_UINT32_TYPE and
3268 (uint32_type_node): New.
3269 (uint64_type_node): Ditto.
3270 * tree.c (build_common_tree_nodes_2): Initialize
3271 uint32_type_node and uint64_type_node.
3272 * builtins.c (expand_builtin_bswap): New.
3273 (expand_builtin): Call.
3274 (fold_builtin_bswap): New.
3275 (fold_builtin_1): Call.
3276 * fold-const.c (tree_expr_nonnegative_p): Return true
3278 * builtin-types.def (BT_UINT32): New.
3280 (BT_FN_UINT32_UINT32): Ditto.
3281 (BT_FN_UINT64_UINT64): Ditto.
3282 * builtins.def (BUILT_IN_BSWAP32): New.
3283 (BUILT_IN_BSWAP64): Ditto.
3284 * rtl.def (BSWAP): New.
3285 * genattrtab.c (check_attr_value): New.
3286 * libgcc2.c (__bswapSI2): New.
3287 (__bswapDI2): Ditto.
3288 * libgcc2.h (__bswapSI2): Declare.
3289 (__bswapDI2): Ditto.
3290 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3291 * simplify-rtx.c (simplify_const_unary_operation): Return
3293 * libgcc-std.ver (__bwapsi2): Add.
3294 (__bswapdi2): Ditto.
3295 * reload1.c (eliminate_regs_1): Add bswap.
3296 (elimination_effects): Ditto.
3297 * config/i386/i386.h (x86_bswap): New.
3298 (TARGET_BSWAP): Use.
3299 * config/i386/i386.c (x86_bswap): Set.
3301 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3303 * coverage.c (coverage_checksum_string): Update comment.
3304 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3305 of get_file_function_name.
3306 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3307 of get_file_function_name_long.
3308 * tree.c (get_file_function_name): Rename from
3309 get_file_function_name_long; improve comment; handle 'I' and 'D'
3310 specially when the target has ctor/dtor support; remove special
3312 (get_file_function_name): Remove.
3313 * tree.h (get_file_function_name): Rename from
3314 get_file_function_name_long.
3315 (get_file_function_name): Remove prototype.
3317 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3319 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3320 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3322 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3323 Call dsymutil when compiling and linking one or more source files
3326 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3329 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3331 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3333 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3334 inline static functions in c99 mode.
3337 * doc/extend.texi (Inline): Update.
3338 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3339 * c-decl.c (current_extern_inline): Delete.
3340 (pop_scope): Adjust test for an undefined nested function.
3341 Add warning about undeclared inline function.
3342 (diagnose_mismatched_decls): Update comments. Disallow overriding
3343 of inline functions in a translation unit in C99. Allow inline
3344 declarations in C99 at any time.
3345 (merge_decls): Boolize variables. Handle C99 'extern inline'
3347 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3348 C99 inline semantics.
3349 (start_function): Don't clear current_extern_inline. Don't set
3351 (c_push_function_context): Don't push current_extern_inline.
3352 (c_pop_function_context): Don't restore current_extern_inline.
3355 * c-typeck.c (build_external_ref): Warn about static variables
3356 used in extern inline functions.
3357 * c-decl.c (start_decl): Warn about static variables declared
3358 in extern inline functions.
3360 2006-10-31 Roger Sayle <roger@eyesopen.com>
3363 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3364 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3365 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3366 or y is an even integer.
3368 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3371 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3372 * gthr-posix95.h (__gthread_active_p): Likewise.
3374 2006-10-31 Richard Guenther <rguenther@suse.de>
3376 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3377 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3378 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3379 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3380 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3381 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3382 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3383 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3386 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3388 * opts.c (decode_options): Disable CSE skip blocks.
3390 2006-10-30 Dirk Mueller <dmueller@suse.de>
3392 * c-common.h (strict_aliasing_warning): Fix whitespace.
3393 * c-decl (start_function): Move code for main decl warning ..
3394 * c-common.c (check_main_parameter_types): .. here.
3395 * c-common.h (check_main_parameter_types): Declare.
3397 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3400 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3402 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3404 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3405 be a PARALLEL containing sets. Return false when out_pat is not
3408 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3410 * config/mips/mips.md (mul<mode>3): Split into...
3411 (mulsi3, muldi3): ...these separate patterns.
3413 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3415 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3416 but with each set of options separated by spaces.
3418 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3420 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3421 dwarf_reg_size_table has been initialized.
3423 2006-10-30 Roger Sayle <roger@eyesopen.com>
3425 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3426 * ddg.c (print_ddg_edge): Likewise.
3427 * dwarf2out.c (prune_unused_types_walk): Likewise.
3428 * ifcvt.c (noce_try_cmove_arith): Likewise.
3429 * langhooks.c (add_builtin_function): Likewise.
3430 * reg-stack.c (subst_stack_regs_pat): Likewise.
3431 * tree.c (expanded_location): Likewise.
3432 * tree-dump.c (dequeue_and_dump): Likewise.
3434 2006-10-30 David Daney <ddaney@avtrex.com>
3436 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3438 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3440 PR tree-optimization/29637
3441 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3442 of the innertype is the innertype itself.
3444 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3446 * dwarf2out.c (file_name_acquire): Correct typo.
3448 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3450 * tree.h (tree_value_handle): Remove struct value_set declaration.
3451 Change value_set to bitmap_set.
3452 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3453 * tree-vn.c (get_value_handle): Made inline and moved to
3455 * tree-flow-inline.h: (has_stmt_ann): New function.
3456 * tree-ssa-pre.c (expressions): New variable.
3457 (next_expression_id): Ditto.
3458 (alloc_expression_id): New function.
3459 (struct value_set): Remove.
3460 (get_expression_id): New function.
3461 (get_or_alloc_expression_id): Ditto.
3462 (expression_for_id): Ditto.
3463 (clear_expression_ids): Ditto.
3464 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3465 (bb_value_sets): Renamed to bb_bitmap_sets.
3466 All value sets replaced with bitmap_sets.
3468 (BB_VISITED): New macro.
3469 (postorder): New variable.
3470 (add_to_value): Removed.
3471 (value_exists_in_set_bitmap): Ditto.
3472 (value_insert_into_set_bitmap): Ditto.
3475 (set_remove): Ditto.
3476 (set_contains_value): Ditto.
3477 (insert_into_set): Ditto.
3479 (find_leader): Ditto.
3480 (bitmap_set_subtract_from_value_set): Ditto.
3481 (value_insert_into_set): Ditto.
3482 (print_value_set): Ditto.
3483 (debug_value_set): Ditto.
3484 (constant_expr_p): New function.
3485 (bitmap_remove_from_set): Ditto.
3486 (bitmap_insert_into_set): Ditto.
3487 (bitmap_set_free): Ditto.
3488 (vh_compare): Ditto.
3489 (sorted_array_from_bitmap_set): Ditto.
3490 (bitmap_set_subtract): Ditto.
3491 (bitmap_set_equal): Ditto.
3492 (debug_bitmap_set): Ditto.
3493 (find_leader_in_sets): Ditto.
3494 (bitmap_set_replace_value): Modify for bitmapped sets.
3495 (phi_translate): Ditto.
3496 (phi_translate_set): Ditto.
3497 (bitmap_find_leader): Ditto.
3498 (valid_in_sets): Ditto.
3499 (union_contains_value): Ditto.
3501 (compute_antic_aux): Ditto. Mark changed blocks.
3502 (compute_antic): Ditto. Iterate in postorder and only over
3504 (compute_rvuse_and_antic_safe): Reuse postorder.
3505 (create_component_ref_by_pieces): Modify for bitmapped sets.
3506 (find_or_generate_expression): Ditto.
3507 (create_expression_by_pieces): Ditto.
3508 (insert_into_preds_of_block): Ditto.
3509 (changed_blocks): New variable.
3510 (do_regular_insertion): Broken out from insert_aux.
3511 (insert_aux): Modified for bitmapped sets.
3512 (find_existing_value_expr): New function.
3513 (create_value_expr_from): Use it.
3514 (insert_extra_phis): Removed.
3515 (print_bitmap_set): Renamed from bitmap_print_value_set.
3516 (compute_avail): Handle RETURN_EXPR.
3517 (init_pre): Modify for bitmapped sets.
3518 * tree-flow.h (has_stmt_ann): New function.
3520 2006-10-29 Roger Sayle <roger@eyesopen.com>
3522 * builtins.c (fold_builtin_floor): Check for the availability of
3523 the C99 trunc function before transforming floor into trunc.
3525 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3527 * builtins.c (fold_builtin_hypot): Rearrange recursive
3528 transformation before others, and also do ABS_EXPR. When
3529 necessary, check flag_unsafe_math_optimizations. When necessary,
3532 2006-10-29 Roger Sayle <roger@eyesopen.com>
3534 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3535 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3536 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3537 Fold -X eq/ne -Y as X eq/ne Y.
3539 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3541 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3542 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3543 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3544 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3545 Use an inclusive test for "mult" rather than "mul".
3546 (rotr<mode>3): Depend on ISA_HAS_ROR.
3547 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3549 (GENERATE_MULT3_DI): Delete.
3550 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3551 (ISA_HAS_MUL3): New macro.
3552 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3553 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3554 (ISA_HAS_CLZ_CLO): Likewise.
3555 (ISA_HAS_DCLZ_DCLO): Delete.
3556 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3557 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3558 the VR4120 and VR4130.
3559 (ISA_HAS_MACCHI): Use consistent formatting.
3560 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3561 (ISA_HAS_ROR): ...this new macro.
3562 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3563 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3564 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3566 2006-10-29 Roger Sayle <roger@eyesopen.com>
3568 PR tree-optimization/15458
3569 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3572 2006-10-29 Richard Guenther <rguenther@suse.de>
3574 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3575 (ix86_expand_truncdf_32): Likewise.
3576 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3577 trunc inline for SSE math and -fno-trapping-math and if not
3578 optimizing for size.
3579 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3580 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3581 for expanding btrunc inline for SSE math.
3583 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3585 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3586 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3587 i[34567]86-*-solaris2.1[0-9]*.
3588 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3589 Define conditionally depending on TARGET_64BIT_DEFAULT.
3590 (SPEC_32, SPEC_64): Define.
3591 (LINK_SPEC): Use them.
3592 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3594 2006-10-29 Richard Guenther <rguenther@suse.de>
3596 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3597 (ix86_expand_rounddf_32): Likewise.
3598 * config/i386/i386.c (ix86_expand_round): New function expanding
3599 round inline for SSE math and -fno-trapping-math and if not
3600 optimizing for size.
3601 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3602 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3603 round via ix86_expand_round.
3605 2006-10-29 Richard Guenther <rguenther@suse.de>
3607 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3608 (ix86_expand_floorceildf_32): Likewise.
3609 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3610 static helper function.
3611 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3613 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3614 * config/i386/i386.md (floordf2): Adjust to enable floor
3615 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3616 -fno-trapping-math is enabled and if not optimizing for size.
3617 (floorsf2, ceildf2, ceilsf2): Likewise.
3618 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3619 (sse2_maskcmpdf3): Likewise.
3621 2006-10-29 Richard Guenther <rguenther@suse.de>
3623 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3624 rint in case -fno-trapping-math is enabled.
3625 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3626 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3627 (ix86_expand_sse_fabs): Likewise.
3628 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3629 * config/i386/i386.md (rintdf2): Enable for SSE math if
3630 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3631 (rintsf2): Likewise.
3633 2006-10-29 Richard Guenther <rguenther@suse.de>
3635 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3636 to conversion optabs.
3637 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3638 as conversion optab.
3639 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3640 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3641 (lfloor_optab, lceil_optab): Adjust defines.
3642 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3643 lfloor and lceil optabs now being conversion optabs.
3644 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3645 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3646 New static helper function.
3647 (ix86_expand_lfloorceil): New function to expand lfloor and
3649 * config/i386/i386.md (lfloor<mode>2): Split into ...
3650 (lfloorxf<mode>2): ... x87 variant
3651 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3652 using ix86_expand_lfloorceil.
3653 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3655 * doc/md.texi (lfloorMN, lceilMN): Document.
3657 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3659 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3660 -mno-shared assembler option on mips targets.
3661 * configure, config.in: Regenerate.
3662 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3663 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3664 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3666 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3668 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3669 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3671 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3673 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3674 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3677 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3680 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3681 (fold_builtin_pow): Evaluate constant arguments at compile-time
3683 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3684 (do_mpfr_ckconv): New helper function.
3685 (do_mpfr_arg1): Use do_mpfr_ckconv.
3686 (do_mpfr_arg2): New.
3688 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3691 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3692 (-fdump-rtl-sched): Rename to ..
3693 (-fdump-rtl-sched1): here. Also fix file extension number.
3695 2006-10-28 Richard Guenther <rguenther@suse.de>
3697 * fold-const.c (maybe_canonicalize_comparison): Fix code
3700 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3702 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3703 (NON_QI_REG_P): Use IN_RANGE.
3704 (REX_INT_REGNO_P): Use IN_RANGE.
3705 (FP_REGNO_P): Use IN_RANGE.
3706 (SSE_REGNO_P): Use IN_RANGE.
3707 (REX_SSE_REGNO_P): Use IN_RANGE.
3708 (MMX_REGNO_P): Use IN_RANGE.
3709 (STACK_REGNO_P): New macro.
3710 (STACK_REG_P): Use STACK_REGNO_P.
3711 (NON_STACK_REG_P): Use STACK_REGNO_P.
3712 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3713 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3714 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3715 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3716 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3718 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3720 * except.h (output_function_exception_table): Add 'const char*' param.
3721 * except.c (switch_to_exception_section): Add 'const char*' param.
3722 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3723 and flag_function_sections is set, use a function-specific section.
3724 (output_function_exception_table): Add 'const char*' param.
3725 Adjust call to switch_to_exception_section.
3726 * final.c (rest_of_handle_final): Adjust calls to
3727 output_function_exception_table.
3728 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3729 * config.in: Regenerate.
3730 * configure: Likewise.
3732 2006-10-28 Richard Guenther <rguenther@suse.de>
3735 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3736 for maybe_canonicalize_comparison.
3737 (maybe_canonicalize_comparison): New function for canonicalizing
3739 (fold_comparison): Call it to canonicalize comparisons with
3742 2006-10-28 Richard Guenther <rguenther@suse.de>
3745 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3746 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3747 (expand_builtin): Adjust likewise.
3748 * genopinit.c (optabs[]): Add lround optab.
3749 * optabs.c (init_optabs): Initialize lround_optab.
3750 * optabs.h (enum convert_optab_index): Add COI_lround.
3751 (lround_optab): Define.
3752 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3753 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3755 (ix86_expand_lround): New function.
3756 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3758 * doc/md.texi (lroundMN2): Document.
3760 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3763 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3764 argument to HOST_WIDE_INT. Update function prototype.
3765 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3766 "size" argument to HOST_WIDE_INT. Update function prototype.
3768 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3770 * config/i386/i386.c (output_387_ffreep): Create output from a
3771 template string for !HAVE_AS_IX86_FFREEP.
3773 2006-10-27 Eric Christopher <echristo@apple.com>
3775 * config/darwin.c: Fix formatting and grammar.
3777 2006-10-27 Jan Hubicka <jh@suse.cz>
3779 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3780 to be thrown away soon when IGNORE is set.
3781 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3782 indicating when return value shall not be computed.
3783 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3785 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3787 * config/i386/i386.h (TARGET_GEODE):
3788 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3789 (TARGET_CPU_DEFAULT_geode): New macro.
3790 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3791 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3792 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3793 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3794 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3796 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3797 (processor_type): Add PROCESSOR_GEODE.
3799 * config/i386/i386.md: Include geode.md.
3802 * config/i386/i386.c (geode_cost): New initialized global
3804 (m_GEODE, m_K6_GEODE): New macros.
3805 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3806 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3807 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3808 x86_schedule): Use m_K6_GEODE instead of m_K6.
3809 (x86_movx, x86_cmove): Set up m_GEODE.
3810 (x86_integer_DFmode_moves): Clear m_GEODE.
3811 (processor_target_table): Add entry for geode.
3812 (processor_alias_table): Ditto.
3814 * config/i386/geode.md: New file.
3816 * doc/invoke.texi: Add entry about geode processor.
3818 2006-10-27 Mike Stump <mrs@apple.com>
3820 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3821 __DYNAMIC__ from here back to ...
3822 * config/darwin.h (CPP_SPEC): ... here.
3824 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3825 Nathan Sidwell <nathan@codesourcery.com>
3827 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3828 when choosing the minimum heapsize.
3830 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3832 * gcc/unwind-dw2.h: Move cfa-related variables into
3833 struct frame_state_reg_info to ensure that the CFA is properly
3834 handled when executing DW_CFA_{remember,restore}_state.
3835 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3836 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3837 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3838 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3839 gcc/config/rs6000/linux-unwind.h,
3840 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3841 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3842 Modify to use new cfa_* fields.
3844 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3846 * config/s390/s390.c (s390_init_frame_layout): Check positive
3849 2006-10-26 Ben Elliston <bje@au.ibm.com>
3851 * gimplify.c (get_name): Remove extraneous break.
3852 (gimplify_omp_for): Initialise ret with GS_OK.
3854 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3856 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3857 Add unix98.o to link line.
3859 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3863 Calculate compile-time constants using MPFR.
3864 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3865 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3867 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3869 * config/xtensa/lib2funcs.S: Use C-style comments.
3871 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3873 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3874 (file_table_relative_p): Likewise.
3875 (dwarf2out_finish): Likewise.
3876 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3878 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3880 * tree-ssa-structalias.c (intra_create_variable_infos):
3881 Don't recreate nonlocal_all if it already exists.
3883 2006-10-25 Richard Guenther <rguenther@suse.de>
3886 * optabs.h (enum optab_index): Remove OTI_lrint.
3887 (enum convert_optab_index): Add COI_lrint.
3888 (lrint_optab): Adjust.
3889 (expand_sfix_optab): Declare.
3890 * optabs.c (expand_sfix_optab): New function.
3891 (init_optabs): Init lrint_optab as conversion optab.
3892 * genopinit.c (lrint_optab): Change to a conversion optab.
3893 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3894 expansion via conversion optab.
3895 * config/i386/i386.md (*fistdi2_1): Remove
3896 flag_unsafe_math_optimizations guard.
3897 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3898 fist<mode>2_with_temp): Likewise.
3899 (lrint<mode>2): Split into...
3900 (lrintxf<mode>2): ... x87 part
3901 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3902 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3903 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3904 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3905 * doc/md.texi (lrintMN2): Document.
3907 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3910 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3911 Use inc and dec instructions for TARGET_USE_INCDEC.
3912 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3913 ("sync_double_compare_and_swap<mode>"): Likewise.
3914 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3915 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3916 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3917 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3918 ("sync_old_add<mode>"): Likewise.
3919 ("sync_lock_test_and_set<mode>"): Likewise.
3920 ("sync_lock_test_and_set<mode>"): Likewise.
3921 ("sync_add<mode>"): Likewise.
3922 ("sync_sub<mode>"): Likewise.
3923 ("sync_ior<mode>"): Likewise.
3924 ("sync_and<mode>"): Likewise.
3925 ("sync_xor<mode>"): Likewise.
3927 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3929 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3930 (remainder_optab): Define corresponding macro.
3931 (drem_optab): Remove.
3932 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3933 drem_optab initialization.
3934 * genopinit.c (optabs): Implement remainder_optab using
3935 remainder?f3 patterns. Remove drem_optab.
3936 * builtins.c (expand_builtin_mathfn_2): Handle
3937 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3938 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3939 expand_builtin_mathfn_2.
3941 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3942 depend on flag_unsafe_math_optimizations.
3944 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3945 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3946 Do not depend on flag_unsafe_math_optimizations. Use
3947 truncxf?f expander instead of truncxf?f_i387_noop.
3949 ("fpremxf4", "fprem1xf4"): Do not depend on
3950 flag_unsafe_math_optimizations.
3951 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3952 flag_unsafe_math_optimizations. Use truncxf?f expander
3953 instead of truncxf?f_i387_noop.
3955 * doc/md.texi (fmod, remainder): Document standard named pattern.
3957 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3958 David Daney <ddaney@avtrex.com>
3961 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3963 2006-10-25 Ben Elliston <bje@au.ibm.com>
3965 * doc/extend.texi (Variable Attributes): Typo fix.
3967 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3969 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3970 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3971 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3972 (FRAME_POINTER_REGNUM): Update register number to 21.
3973 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3974 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3976 * config/i386/i386.c (regclass_map): Add fpcr entry.
3977 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3979 (print_reg): Assert REGNO (x) != FPCR_REG.
3981 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3982 (DIRFLAG_REG): Renumber.
3983 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3984 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3985 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3986 hardcoded SSE register numbers.
3988 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3989 hardcoded MMX register numbers.
3991 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3994 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3995 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3997 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3998 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3999 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
4000 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
4002 2006-10-24 Richard Guenther <rguenther@suse.de>
4005 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
4006 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
4007 for deciding optimizations in consistency with fold-const.c
4008 (fold_builtin_unordered_cmp): Likewise.
4010 2006-10-24 Richard Guenther <rguenther@suse.de>
4012 * builtins.c (fold_builtin_floor): Fold floor (x) where
4013 x is nonnegative to trunc (x).
4014 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
4015 nonnegative to FIX_TRUNC_EXPR.
4017 2006-10-24 Richard Guenther <rguenther@suse.de>
4019 PR tree-optimization/29567
4020 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
4021 for TRUTH_NOT_EXPR. Clarify comments.
4023 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4026 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
4027 at compile-time using MPFR. Change parameter VALUE to FUNC,
4029 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
4030 for overflow and underflow at all times and avoid folding in
4033 2006-10-24 Ben Elliston <bje@au.ibm.com>
4035 * reload1.c: Formatting fixes.
4037 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
4039 PR tree-optimization/14784
4040 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
4041 * tree-ssa-structalias.c (get_constraint_for,
4042 intra_create_variable_infos): Set is_heapvar.
4043 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
4044 non-heapvar pointer variables specially.
4046 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * builtins.c (fold_builtin_sin, fold_builtin_cos,
4050 fold_builtin_tan): Fold all constant arguments. Take a "type"
4051 argument as necessary.
4052 (do_mpfr_arg1): New.
4053 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
4055 2006-10-23 Bob Wilson <bob.wilson@acm.org>
4057 * config/xtensa/lib1funcs.asm: Use C-style comments.
4059 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
4061 * tree.c (local_define_builtin): Replace calls to
4062 lang_hooks.builtin_function with add_builtin_function.
4063 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
4065 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
4067 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
4068 common code to add_builtin_function.
4069 * langhooks.c (add_builtin_function): New function.
4070 (lhd_builtin_function): New function.
4071 * langhooks.h (struct lang_hooks): Change the signature of
4073 (add_builtin_function): New function.
4074 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
4075 calls to lang_hooks.builtin_function with add_builtin_function.
4076 * c-common.c (decl_builtin_1): Replace calls to
4077 lang_hooks.builtin_function with add_builtin_function.
4078 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
4079 lang_hooks.builtin_function with add_builtin_function.
4080 * config/frv/frv.c (def_builtin): Replace calls to
4081 lang_hooks.builtin_function with add_builtin_function.
4082 * config/s390/s390.c (s390_init_builtins): Replace calls to
4083 lang_hooks.builtin_function with add_builtin_function.
4084 * config/sparc/sparc.c (def_builtin): Replace calls to
4085 lang_hooks.builtin_function with add_builtin_function.
4086 * config/i386/i386.c (def_builtin): Replace calls to
4087 lang_hooks.builtin_function with add_builtin_function.
4088 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
4089 lang_hooks.builtin_function with add_builtin_function.
4090 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
4091 lang_hooks.builtin_function with add_builtin_function.
4092 * config/stormy16/stormy16.c (xstormy16_init_builtins):
4093 Replace calls to lang_hooks.builtin_function with
4094 add_builtin_function.
4095 * config/iq2000/iq2000.c (def_builtin):
4096 Replace calls to lang_hooks.builtin_function with
4097 add_builtin_function.
4098 * config/ia64/ia64.c (def_builtin): Replace calls to
4099 lang_hooks.builtin_function with add_builtin_function.
4100 * config/rs6000/rs6000.c (def_builtin): Replace calls to
4101 lang_hooks.builtin_function with add_builtin_function.
4102 (altivec_init_builtins): Replace calls to
4103 lang_hooks.builtin_function with add_builtin_function.
4104 * config/arm/arm.c (def_mbuiltin): Replace calls to
4105 lang_hooks.builtin_function with add_builtin_function.
4106 (arm_init_tls_builtins): Replace calls to
4107 lang_hooks.builtin_function with add_builtin_function.
4108 * config/mips/mips.c (mips_init_builtins): Replace calls to
4109 lang_hooks.builtin_function with add_builtin_function.
4110 * config/bfin/bfin.c (def_builtin): Replace calls to
4111 lang_hooks.builtin_function with add_builtin_function.
4112 * langhooks-def.h (lhd_builtin_function): New function.
4113 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
4115 2006-10-23 Jakub Jelinek <jakub@redhat.com>
4117 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
4118 BUILT_IN_STRNCAT_CHK.
4120 2006-10-23 Jan Hubicka <jh@suse.cz>
4122 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
4123 don't do conversion from memmove to memcpy here.
4124 (expand_builtin_bcopy, expand_builtin): Update call of
4125 expand_builtin_memmove.
4126 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
4128 2006-10-23 Paul Brook <paul@codesourcery.com>
4130 * stor-layout.c (start_record_layout): maximum_field_alignment
4131 overrides STRUCTURE_SIZE_BOUNDARY.
4133 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
4135 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
4136 nonlocal function symbols if flag_pic.
4138 2006-10-23 Richard Guenther <rguenther@suse.de>
4142 * builtins.c (fold_binary): Remove checks for flag_wrapv
4143 and flag_trapv where negate_expr_p covers these cases.
4145 2006-10-23 Richard Guenther <rguenther@suse.de>
4148 * fold-const.c (fold_plusminus_mult_expr): Check exact power
4149 of two on the absolute value.
4150 (fold_binary): Fold x * -C to -x * C if x is easily negatable
4151 and negating -C does not overflow.
4153 2006-10-23 Richard Guenther <rguenther@suse.de>
4156 * convert.c (convert_to_real): Fold (float)-x to -(float)x
4157 only if not flag_rounding_math.
4159 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4160 Kaz Kojima <kkojima@gcc.gnu.org>
4163 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4164 SImode memory reference for the source of a movua.
4165 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4166 (movua): Use an unspec instead of sign_extract. Expect the source
4167 to have mode BLKmode.
4168 (extv, insv): Use a BLKmode rather than SImode memory reference
4169 for the source of a movua.
4171 2006-10-22 Jeff Law <law@redhat.com>
4172 Richard Guenther <rguenther@suse.de>
4174 PR tree-optimization/15911
4175 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4176 (register_edge_assert_for_1): Likewise.
4177 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4178 (find_conditional_asserts): Adjust for new function signature.
4179 (find_assert_locations): Likewise.
4181 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4183 * config/i386/tmmintrin.h: Remove the duplicated content.
4185 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4187 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4188 (x86_64-*-*): Likewise.
4190 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4191 (override_options): Check SSSE3.
4192 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4193 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4194 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4195 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4196 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4197 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4198 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4199 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4200 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4201 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4202 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4203 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4204 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4205 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4206 IX86_BUILTIN_PABSD128.
4207 (bdesc_2arg): Add SSSE3.
4208 (bdesc_1arg): Likewise.
4209 (ix86_init_mmx_sse_builtins): Support SSSE3.
4210 (ix86_expand_builtin): Likewise.
4211 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4213 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4214 (UNSPEC_PSIGN): Likewise.
4215 (UNSPEC_PALIGNR): Likewise.
4216 Include mmx.md before sse.md.
4218 * config/i386/i386.opt: Add -mssse3.
4220 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4221 (ssse3_phaddwv4hi3): Likewise.
4222 (ssse3_phadddv4si3): Likewise.
4223 (ssse3_phadddv2si3): Likewise.
4224 (ssse3_phaddswv8hi3): Likewise.
4225 (ssse3_phaddswv4hi3): Likewise.
4226 (ssse3_phsubwv8hi3): Likewise.
4227 (ssse3_phsubwv4hi3): Likewise.
4228 (ssse3_phsubdv4si3): Likewise.
4229 (ssse3_phsubdv2si3): Likewise.
4230 (ssse3_phsubswv8hi3): Likewise.
4231 (ssse3_phsubswv4hi3): Likewise.
4232 (ssse3_pmaddubswv8hi3): Likewise.
4233 (ssse3_pmaddubswv4hi3): Likewise.
4234 (ssse3_pmulhrswv8hi3): Likewise.
4235 (ssse3_pmulhrswv4hi3): Likewise.
4236 (ssse3_pshufbv16qi3): Likewise.
4237 (ssse3_pshufbv8qi3): Likewise.
4238 (ssse3_psign<mode>3): Likewise.
4239 (ssse3_psign<mode>3): Likewise.
4240 (ssse3_palignrti): Likewise.
4241 (ssse3_palignrdi): Likewise.
4242 (abs<mode>2): Likewise.
4243 (abs<mode>2): Likewise.
4245 * config/i386/tmmintrin.h: New file.
4247 * doc/extend.texi: Document SSSE3 built-in functions.
4249 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4251 2006-10-22 Ira Rosen <irar@il.ibm.com>
4253 * tree-vect-transform.c (vectorizable_load): Use the type of the
4254 return value of the mask_for_load builtin to create realign_load
4257 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4259 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4262 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4264 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4265 (UNSPEC_LDDQU): This.
4266 * config/i386/sse.md (sse3_lddqu): Updated.
4268 2006-10-21 Richard Guenther <rguenther@suse.de>
4270 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4271 (expand_builtin): Use it to expand lrint instead of
4272 expand_builtin_mathfn.
4274 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4277 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4278 flag_unsafe_math_optimizations is set.
4280 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4283 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4284 patterns to use memory input operand in x87->mem->XMM
4285 reload sequences. Skip transformation for TARGET_K8.
4287 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4289 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4290 force operand1 to register if both operands are memory operands.
4291 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4292 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4293 if both operands are memory operands.
4294 (truncdfsf2): Do not force operand1 to register if both operands
4295 are memory operands.
4297 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4299 * Makefile.in (LIBS): Add $(GMPLIBS).
4300 * doc/install.texi: Update GMP and MPFR requirements.
4301 * doc/sourcebuild.texi (need_gmp): Delete.
4303 2006-10-21 Richard Guenther <rguenther@suse.de>
4305 PR tree-optimization/3511
4306 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4307 got new invariant arguments during PHI translation.
4309 2006-10-21 Richard Guenther <rguenther@suse.de>
4312 * fold-const.c (fold_comparison): Fold signed comparisons
4313 of the form X +- C1 CMP Y +- C2.
4315 2006-10-21 Richard Guenther <rguenther@suse.de>
4318 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4319 if flag_unsafe_math_optimizations is specified. We have
4320 flag_finite_math_only for that.
4321 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4322 or flag_unsafe_math_optimizations.
4324 2006-10-21 Richard Guenther <rguenther@suse.de>
4326 * builtins.c (fold_builtin_classify): Fix typo.
4328 2006-10-21 Richard Guenther <rguenther@suse.de>
4331 * simplify-rtx.c (simplify_const_relational_operation):
4332 Do not constant-fold ORDERED and UNORDERED for
4333 flag_unsafe_math_optimizations but only we do not need to
4334 honor NaNs for the given mode.
4336 2006-10-21 Richard Guenther <rguenther@suse.de>
4339 * config/i386/i386.c (classify_argument): Remove redundant
4340 walking of the BINFOs.
4341 (contains_128bit_aligned_vector_p): Likewise.
4343 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4345 * BASE-VER: Set to 4.3.0.
4347 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4349 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4350 (tree_decl_with_vis): Remove artificial_pta_var flag.
4351 * tree-flow.h (referenced_var_check_and_insert): Expose.
4352 (nonlocal_all): New prototype.
4353 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4354 (nonlocal_all): Make global.
4355 (nonlocal_lookup): Remove.
4356 (nonlocal_insert): Ditto.
4357 (create_nonlocal_var): Do not call nonlocal_insert.
4358 (get_nonlocal_id_for_type): Remove.
4359 (find_global_initializers): Mark new vars we find for renaming.
4360 (intra_create_variable_infos): Only create one nonlocal.
4361 (expand_nonlocal_solutions): Remove.
4362 (compute_points_to_sets): Don't call it.
4363 (ipa_pta_execute): Ditto.
4364 (init_alias_heapvars): Don't create nonlocal_for_type.
4365 (delete_alias_heapvars): Don't remove it.
4366 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4369 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4371 * doc/install.texi (Downloading GCC): Clarify mention of
4372 Fortran in the "full distribution" description.
4374 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4376 Fix PR tree-optimization/28778
4377 Fix PR tree-optimization/29156
4378 Fix PR tree-optimization/29415
4379 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4380 (tree_decl_with_vis): Add artificial_pta_var flag.
4381 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4382 pushed into callers.
4383 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4384 (nonlocal_all): Ditto.
4385 (struct variable_info): Add directly_dereferenced member.
4386 (var_escaped_vars): New variable.
4387 (escaped_vars_tree): Ditto.
4388 (escaped_vars_id): Ditto.
4389 (nonlocal_vars_id): Ditto.
4390 (new_var_info): Set directly_dereferenced.
4391 (graph_size): New variable
4392 (build_constraint_graph): Use graph_size.
4393 (solve_graph): Don't process constraints that cannot change the
4394 solution, don't try to propagate an empty solution to our
4396 (process_constraint): Set directly_dereferenced.
4397 (could_have_pointers): New function.
4398 (get_constraint_for_component_ref): Don't process STRING_CST.
4399 (nonlocal_lookup): New function.
4400 (nonlocal_insert): Ditto.
4401 (create_nonlocal_var): Ditto.
4402 (get_nonlocal_id_for_type): Ditto.
4403 (get_constraint_for): Allow results vector to be empty in the case
4404 of string constants.
4405 Handle results of calls properly.
4406 (update_alias_info): Update alias info stats on number and type of
4408 (find_func_aliases): Use could_have_pointers.
4409 (make_constraint_from_escaped): Renamed from
4410 make_constraint_to_anything, and changed to make constraints from
4412 (make_constraint_to_escaped): New function.
4413 (find_global_initializers): Ditto.
4414 (create_variable_info_for): Make constraint from escaped to any
4415 global variable, and from any global variable to the set of
4417 (intra_create_variable_infos): Deal with escaped instead of
4418 pointing to anything.
4419 (set_uids_in_ptset): Do type pruning on directly dereferenced
4421 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4422 (init_base_vars): Fix comment, and initialize escaped_vars.
4423 (need_to_solve): Removed.
4424 (find_escape_constraints): New function.
4425 (expand_nonlocal_solutions): Ditto.
4426 (compute_points_to_sets): Call find_escape_constraints and
4427 expand_nonlocal_solutions.
4428 (delete_points_to_sets): Don't fall off the end of the graph.
4429 (init_alias_heapvars): Initialize nonlocal_for_type and
4431 (delete_alias_heapvars): Free nonlocal_for_type and null out
4434 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4436 * fold-const.c (add_double): Rename to add_double_with_sign.
4437 Add 'unsigned_p' parameter and take it into account for the overflow.
4438 (mul_double): Rename to mul_double_with_sign.
4439 Add 'unsigned_p' parameter and take it into account for the overflow.
4440 (fold_div_compare): Call add_double_with_sign instead of add_double
4441 and mul_double_with_sign instead of mul_double, passing them the
4442 unsignedness of the type.
4443 * tree.h (add_double): Macroize.
4444 (add_double_with_sign): New prototype.
4445 (mul_double): Macroize.
4446 (mul_double_with_sign): New prototype.
4448 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4450 * config/score/crti.asm: New file.
4451 * config/score/crtn.asm: New file.
4452 * config/score/elf.h: New file.
4453 * config/score/mac.md: New file.
4454 * config/score/misc.md: New file.
4455 * config/score/mul-div.S: New file.
4456 * config/score/predicates.md: New file.
4457 * config/score/score7.md: New file.
4458 * config/score/score.c: New file.
4459 * config/score/score-conv.h: New file.
4460 * config/score/score.h: New file.
4461 * config/score/score.md: New file.
4462 * config/score/score-mdaux.c: New file.
4463 * config/score/score-mdaux.h: New file.
4464 * config/score/score-modes.def: New file.
4465 * config/score/score.opt: New file.
4466 * config/score/score-protos.h: New file.
4467 * config/score/score-version.h: New file.
4468 * config/score/t-score-elf: New file.
4469 * config.gcc: Add score*-*-* configurations(Update before).
4470 * doc/invoke.texi (Score Options): New section.
4471 * doc/md.texi (Score family): New section to document constraints.
4473 2006-10-19 Nick Clifton <nickc@redhat.com>
4475 * config/arm/arm.c: Fix spelling typo.
4477 2006-10-18 Tom Tromey <tromey@redhat.com>
4479 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4481 2006-10-18 Jan Hubicka <jh@suse.cz>
4484 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4487 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4489 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4490 TSI_SAME_STMT, since that's the desired entity.
4492 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4494 * config/s390/contraints.md: New file.
4495 * config/s390/s390-protos.h (s390_mem_constraint,
4496 s390_O_constraint_str, s390_N_constraint_str,
4497 s390_float_const_zero_p): Function prototypes added.
4498 * config/s390/s390.c (s390_extra_constraint_str,
4499 s390_const_double_ok_for_constraint_p,
4500 s390_const_ok_for_constraint_p): Functions removed.
4501 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4502 s390_float_const_zero_p): New functions.
4503 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4504 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4505 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4506 Macro definitions removed.
4507 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4508 s390_extra_constraint_str): Functions removed.
4510 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4511 Richard Sandiford <richard@codesourcery.com>
4514 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4515 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4517 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4519 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4520 (DWARF2_FRAME_REG_OUT): Likewise.
4521 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4522 (DWARF2_FRAME_REG_OUT): Likewise.
4524 2006-10-17 Paul Brook <paul@codesourcery.com>
4526 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4528 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4530 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4531 Standardize on "GNU Fortran" as the official name of the Fortran
4534 2006-10-16 Mike Stump <mrs@apple.com>
4536 * doc/invoke.texi (Darwin Options): Document -mkernel.
4537 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4539 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4540 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4541 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4542 (OS_MISSING_ALTIVEC): Add.
4543 * config/i386/i386.c (override_options): Add
4544 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4545 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4546 -mkernel, -static or -mdynamic-no-pic is given.
4547 (C_COMMON_OVERRIDE_OPTIONS): Add.
4548 * config/darwin.opt (fapple-kext): Add.
4550 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4551 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4553 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4554 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4555 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4556 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4557 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4558 (flag_mkernel): Add.
4559 (flag_apple_kext): Add.
4560 (TARGET_KEXTABI): Add.
4561 * config/darwin.c (darwin_handle_kext_attribute): Add.
4562 (DARWIN_VTABLE_P): Add.
4563 (darwin_binds_local_p): Add partial support for rebinding vtables
4565 (darwin_kextabi_p): Add.
4566 (darwin_override_options): Add.
4567 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4568 (darwin_kextabi_p): Add.
4569 (darwin_override_options): Add.
4570 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4571 __DYNAMIC__ and __STATIC__ here.
4573 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4575 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4576 Added mention of "make pdf" target, and Texinfo requirements for
4579 2006-10-16 DJ Delorie <dj@redhat.com>
4581 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4582 into the GOT in case we need a subreg of the address.
4584 2006-10-16 Richard Guenther <rguenther@suse.de>
4587 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4588 SSE builtin documentation. Document SSE2 builtins.
4590 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4592 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4593 symbol in the output file for non-shared links when -nostdlib or
4594 -nodefaultlibs isn't specified.
4596 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4597 posix thread support.
4599 2006-10-15 Jan Hubicka <jh@suse.cz>
4602 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4603 declared always_inline even when not inlining.
4605 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4606 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4607 Andrew Pinski <pinskia@gmail.com>
4610 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4612 2006-10-15 Jan Hubicka <jh@suse.cz>
4613 Richard Guenther <rguenther@suse.de>
4616 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4617 process_function_and_variable_attributes on all variables, including
4618 those discovered during cgraph construction phase.
4620 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4622 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4624 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4626 * config/i386/athlon.md (athlon_fist): Add fisttp.
4628 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4629 Ian Lance Taylor <ian@airs.com>
4632 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4633 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4636 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4638 * config/score/score.c, config/score/score.h: Fix comment
4641 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4644 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4647 2006-10-13 Eric Christopher <echristo@apple.com>
4649 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4651 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4654 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4655 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4656 alignment supported by 32-bit ELF.
4658 2006-10-13 Eric Christopher <echristo@apple.com>
4660 * config/darwin.c (darwin_emit_unwind_label): Strip
4661 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4663 2006-10-13 Richard Guenther <rguenther@suse.de>
4665 PR tree-optimization/29446
4666 * tree-vrp.c (fix_equivalence_set): Remove.
4667 (extract_range_from_assert): Do not call fix_equivalence_set.
4668 (debug_value_range): Print a newline.
4669 (compare_name_with_value): For equivalence sets with
4670 inconsistent value ranges conservatively bail out.
4671 (compare_names): Likewise.
4673 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4675 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4676 and MPFR for gfortran.
4678 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4680 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4681 alignment supported by 32-bit ELF.
4683 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4687 * c-typeck.c (digest_init): Always allow initializing vectors
4688 that have static storage duration with compound literals.
4689 * tree.c (build_type_attribute_qual_variant): New, based on
4690 build_type_attribute_variant.
4691 (build_type_attribute_variant): Rewrite using the former.
4692 (make_vector_type): Use build_type_attribute_qual_variant to build
4693 type variants. Use type_hash_canon on the others.
4695 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4696 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4698 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4700 2006-10-12 Jan Hubicka <jh@suse.cz>
4703 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4704 current_function_decl is set but current_function_scope is not.
4706 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4708 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4709 emit_insn to emit eh_return_internal instruction.
4710 (eh_return_internal): Explicitly set pc.
4712 2006-10-11 Richard Guenther <rguenther@suse.de>
4714 PR tree-optimization/28230
4715 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4716 to the correct place.
4718 2006-10-11 Richard Guenther <rguenther@suse.de>
4721 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4724 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4726 * configure.ac: Added pdf to "Make-hooks"
4727 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4728 targets and *.pdf file patterns in cleanup targets.
4729 * configure: Regenerated.
4731 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4733 * config/avr/predicates.md: New file.
4734 * config/avr/avr.md: Include it.
4735 (REG_SP): New constant.
4736 (peepholes): Use predicates.
4737 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4738 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4739 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4741 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4743 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4746 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4749 * builtins.c (var_decl_component_p): New function.
4750 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4751 single entry optimization to variables and components thereof.
4753 2006-10-10 Richard Guenther <rguenther@suse.de>
4755 PR rtl-optimization/29323
4756 * except.c (set_nothrow_function_flags): For functions
4757 that do not bind local bail out early.
4759 2006-10-10 Ben Elliston <bje@au.ibm.com>
4761 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4764 2006-10-09 Richard Henderson <rth@redhat.com>
4766 Revert emutls patch.
4768 2006-10-09 Richard Guenther <rguenther@suse.de>
4771 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4774 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4777 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4778 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4779 * configure: Regenerate.
4780 * config.in: Regenerate.
4782 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4784 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4786 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4788 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4789 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4790 Remove stray newline.
4792 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4794 * config/mips/mips.c (mips_classify_symbol): Do not return
4795 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4796 (mips_in_small_data_p): Tweak comments.
4798 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4800 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4802 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4804 * gimplify.c, sched-int.h: Fix comment typos.
4806 * sched-int.h: Fix comment typos.
4808 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4810 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4812 * sched-ebb.c (begin_schedule_ready): Use them.
4813 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4814 add_to_speculative_block, create_check_block_twin, speculate_insn,
4815 fix_jump_move, move_block_after_check): Ditto.
4816 * sched-rgn.c (new_ready): Ditto.
4818 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4820 PR rtl-optimization/29128
4821 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4822 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4823 allow interblock movement of speculation checks.
4825 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4828 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4829 casted to integer type.
4830 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4831 if they are significantly more expensive than [reg + index] ones.
4833 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4835 PR tree-optimization/29330
4836 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4837 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4838 on newly allocated ddrs.
4839 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4840 to VEC (loop_p, heap) pointer.
4841 (compute_data_dependences_for_loop): Adjust caller.
4842 (free_dependence_relations): Free DDR_LOOP_NEST.
4844 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4845 free DEPENDENCE_RELATIONS and DATAREFS.
4848 * builtins.c (expand_builtin_sync_operation,
4849 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4850 Use convert_to_mode to handle promoted arguments.
4852 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4854 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4856 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4858 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4860 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4862 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4863 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4864 Use <modeconstraint> instead of "r" as operand 1 constraint.
4866 2006-10-06 Olivier Hainque <hainque@adacore.com>
4868 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4869 Don't recurse on the pointed-to type.
4870 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4871 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4872 types with components of variable size.
4874 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4876 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4878 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4880 PR tree-optimization/29290
4881 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4885 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4886 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4889 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4890 the number of vector elements fill the rest with zeros.
4892 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4894 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4895 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4898 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4900 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4901 unnamed pattern into subsi3. Use correct constraints/predicates.
4902 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4903 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4905 2006-10-05 Ira Rosen <irar@il.ibm.com>
4907 * doc/loop.texi: Add data references analysis description.
4909 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4911 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4913 2006-10-04 Richard Henderson <rth@redhat.com>
4914 Jakub Jelinek <jakub@redhat.com>
4916 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4917 * builtin-types.def (BT_WORD): Make unsigned.
4918 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4919 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4920 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4921 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4922 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4923 * cgraph.c (decide_is_variable_needed): Look at force_output.
4924 Recurse for emulated tls.
4925 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4926 checks redundant with decide_is_variable_needed.
4927 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4928 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4930 * expr.c (emutls_var_address): New.
4931 (expand_expr_real_1): Expand emulated tls.
4932 (expand_expr_addr_expr_1): Likewise.
4933 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4934 * output.h (emutls_finish): Declare.
4935 * toplev.c (compile_file): Call it.
4936 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4937 address before wrapping in CONST.
4938 * varasm.c (emutls_htab, emutls_object_type): New.
4939 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4940 (get_emutls_object_name, get_emutls_object_type): New.
4941 (get_emutls_init_templ_addr, emutls_decl): New.
4942 (emutls_common_1, emutls_finish): New.
4943 (assemble_variable): When emulating tls, swap decls; generate
4944 constructor for the emutls objects.
4945 (do_assemble_alias): When emulating tls, swap decl and target name.
4946 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4948 * emutls.c: New file.
4949 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4950 tls_object for real tls.
4952 2006-10-04 Zack Weinberg <zackw@panix.com>
4954 Fix bug in constraint-check generator, reported by Rask Ingemann
4956 * genpreds.c (add_constraint): Don't remove anything from the
4958 (write_tm_constrs_h): Detect whether "op" argument is used, and
4959 mark it ARG_UNUSED if it isn't.
4960 (write_insn_const_int_ok_for_constraint): Skip the part of the
4961 expression that would test whether "op" (which is not available
4962 here) is a CONST_INT.
4964 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4967 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4969 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4971 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4972 current Leopard versions.
4973 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4975 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4977 * doc/install.texi: Fix typos.
4979 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4981 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4982 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4983 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4985 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4987 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4988 arg to be struct mach_header_64* instead.
4990 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4993 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4994 side effects after the outer expression's post side effects.
4996 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4998 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4999 comments to reflect actual behavior and relationship between
5000 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
5002 * doc/c-tree.texi (Working with declarations): Fix documentation
5003 of FIELD_DECL likewise.
5005 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
5008 * doc/extend.texi: Add used variable attribute description.
5010 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
5013 * c.opt (Woverride-init): New.
5014 * c-opts.c (c_common_post_options): Default warn_override_init to
5016 * c-typeck.c (add_pending_init, output_init_element): Warn for
5017 overriding initializers without side effects.
5018 * doc/invoke.texi (-Woverride-init): Document.
5021 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
5023 PR rtl-optimization/28096
5024 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
5025 assignment has already been used as a destination earlier in the block.
5027 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
5029 * builtins.c (expand_builtin_setjmp): Delete.
5030 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
5031 <BUILT_IN_SETJMP_SETUP>: New case.
5032 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
5033 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
5034 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
5035 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
5036 (BUILT_IN_SETJMP_RECEIVER): Likewise.
5037 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
5038 (lower_function_body): Initialize it to false. If it is set to true
5039 at the end of the processing, emit the setjmp dispatcher.
5040 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
5041 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
5042 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
5043 on the rhs of the assignment.
5044 (lower_builtin_setjmp): New function.
5045 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
5046 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
5047 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
5048 to detect calls that can go to non-local labels. Use specific
5049 helper to create the abnormal edges associated with them.
5050 <MODIFY_EXPR>: Likewise.
5051 (make_abnormal_goto_edges): New function extracted from...
5052 (make_goto_expr_edges): ...here. Call it for computed gotos.
5053 (simple_goto_p): Minor tweak.
5054 (tree_can_make_abnormal_goto): New predicate.
5055 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
5056 (tree_purge_dead_abnormal_call_edges): New function.
5057 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
5058 (tree_purge_dead_abnormal_call_edges): Likewise.
5059 (make_abnormal_goto_edges): Likewise.
5060 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
5061 Purge all dead abnormal edges if the call was in the last statement.
5062 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
5063 (execute_fixup_cfg): If there are non-local labels in the function,
5064 scan the basic blocks and split them at calls that can go to non-local
5065 labels or add missing abnormal call edges. Write down the CFG in the
5067 (pass_fixup_cfg): Remove TODO_dump_func flag.
5068 * unwind-sjlj.c: Poison setjmp.
5069 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
5070 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
5071 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
5072 (DONT_USE_BUILTIN_SETJMP): Document it.
5074 2006-09-28 Geoffrey Keating <geoffk@apple.com>
5077 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
5078 to 1 when __ppc64__ is defined.
5079 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
5081 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
5083 2006-09-28 Steve Ellcey <sje@cup.hp.com>
5085 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
5086 * config/ia64/unwind-hpux.c: Delete.
5088 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
5090 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
5091 on the element before gimplifying it, instead of punting if it is of
5094 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
5096 * doc/loop.texi: New file.
5097 * doc/gccint.texi: Reference loop.texi.
5098 * Makefile.in (loop.texi): Add.
5100 2006-09-27 Geoffrey Keating <geoffk@apple.com>
5102 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
5104 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5105 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
5107 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
5109 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
5111 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
5113 * doc/install.texi: Document required versions of GMP and MPFR.
5115 2006-09-27 Paul Brook <paul@codesourcery.com>
5118 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
5120 2006-09-27 Richard Sandiford <richard@codesourcery.com>
5122 * reload1.c (alter_reg): Require the alignment of the stack slot to
5123 be at least reg_max_ref_width bytes.
5124 (scan_paradoxical_subregs): Record the largest width in
5127 2006-09-26 Jakub Jelinek <jakub@redhat.com>
5131 * tree-nested.c (struct nesting_info): Added static_chain_added.
5132 (convert_call_expr): Set static_chain_added when adding static
5133 chain. Handle OMP_PARALLEL and OMP_SECTION.
5135 2006-09-25 Matthias Klose <doko@debian.org>
5137 * doc/invoke.texi: Add missing full stop.
5139 2006-09-25 Richard Henderson <rth@redhat.com>
5141 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
5142 before cgraph_function_flags_ready.
5144 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
5145 Adam Nemet <anemet@caviumnetworks.com>
5147 * tree-ssa-loop-ivopts.c (aff_combination_convert,
5148 determine_common_wider_type): New functions.
5149 (get_computation_aff): Use them to simplify arithmetic between
5150 UBASE and CBASE if they are shortened from the same type.
5152 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
5155 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
5156 -2147483647 - 1 instead of 0x80000000.
5158 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
5160 * flags.h (HONOR_NANS): Fix typo in comment.
5162 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5164 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5166 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5170 * tree.c (merge_attributes, attribute_list_contained): If both
5171 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5173 * c-typeck.c (comptypes_internal): Don't consider aggregates
5174 in different TUs as compatible if there one set of attributes is
5175 not a subset of the other type's attributes.
5176 (composite_type): Try harder not to create a new aggregate type.
5178 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5180 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5181 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5182 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5183 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5184 than replicating condition above.
5185 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5187 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5188 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5189 the linker by default.
5191 2006-09-22 Mike Stump <mrs@apple.com>
5193 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5196 2006-09-22 Richard Guenther <rguenther@suse.de>
5199 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5200 sort of stack variables stable.
5202 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5205 * explow.c (force_reg): Set REG_POINTER flag according to
5208 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5210 PR tree-optimization/28888
5211 * tree-if-conv.c (combine_blocks): Rewritten.
5212 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5213 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5215 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5217 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5220 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5222 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5224 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5226 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5228 2006-09-21 Roger Sayle <roger@eyesopen.com>
5231 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5232 dw_fde_current_label, to be the start of the function, i.e. the same
5233 value as dw_fde_begin.
5235 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5237 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5238 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5239 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5240 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5241 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5242 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5243 (abs<mode>2, neg<mode>2): Likewise.
5244 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5245 (*mips_abs_ps): New define_insn.
5247 2006-09-20 Josh Conner <jconner@apple.com>
5250 * calls.c (expand_call): Allow reuse of structure return stack
5253 2006-09-20 Paul Brook <paul@codesourcery.com>
5255 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5258 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5260 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5261 clean up terminology.
5263 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5266 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5267 with tablejumps in them.
5269 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5272 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5273 wrap it into TARGET_EXPR.
5275 2006-09-20 Eric Christopher <echristo@apple.com>
5277 * config/i386/i386.c (x86_fisttp): Remove.
5278 * config/i386/i386.h (x86_fisttp): Ditto.
5279 (TARGET_FISTTP): Ditto.
5281 2006-09-19 Eric Christopher <echristo@apple.com>
5283 * doc/tm.texi (OBJC_JBLEN): Describe.
5284 * config/i386/darwin.h (OBJC_JBLEN): Define.
5285 * config/rs6000/darwin.h: Ditto.
5287 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5289 PR rtl-optimization/21299
5290 * reload1.c (reload): Purge invalid ASMs in the final pass.
5292 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5295 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5296 pointers as legitimate constants.
5298 2006-09-19 Paul Brook <paul@codesourcery.com>
5301 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5303 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5305 PR tree-optimization/28887
5306 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5307 component parts from the reference.
5308 (gather_memory_references_ref): Record the reference without the
5309 nonaddressable component parts.
5311 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5314 * c-opts.c (c_common_handle_option): Ignore the -std options
5315 if the input language is assembly.
5317 2006-09-17 Ira Rosen <irar@il.ibm.com>
5320 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5322 (ptr_ptr_may_alias_p): Likewise.
5323 (record_record_differ_p): New function.
5324 (base_object_differ_p): Call record_record_differ_p.
5326 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5329 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5330 away for the expr argument.
5332 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5335 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5336 before using it for dumping after vectorizing loops.
5338 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5339 Jack Howarth <howarth@bromo.med.uc.edu>
5342 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5343 skip on error_mark_node.
5344 (rs6000_darwin64_record_arg_recurse): Likewise.
5346 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5348 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5349 * doc/rtl.texi: Remove related documentation.
5351 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5353 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5356 2006-09-15 Jim Wilson <wilson@specifix.com>
5358 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5359 Handle symbol offsets same as they are handled in ia64_expand_move
5362 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5364 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5365 Add forgotten parameter to the fprintf call.
5367 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5369 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5371 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5373 * doc/contrib.texi: Add my entry.
5375 2006-09-15 Nick Clifton <nickc@redhat.com>
5377 * doc/md.texi (Processor pipeline description): Fix typo in
5378 example of how to use the absence_set directive and reword the
5379 description to make it slightly easier to read.
5381 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5383 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5384 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5385 expanding the number of iterations.
5386 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5388 * cfgrtl.c (emit_insn_at_entry): New function.
5389 * rtl.h (emit_insn_at_entry): Declare it.
5390 * integrate.c (emit_initial_value_sets): Use it.
5392 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5394 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5396 (struct loop_work and related VEC declarations): Delete.
5397 (bfin_dump_loops): Print out new member bad.
5398 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5399 (bfin_scan_loop): Don't recurse.
5400 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5401 loops. No longer need to update outer loops if the current one is
5402 found bad. Move some validitiy checks to bfin_discover_loop.
5403 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5404 but changed not to check for nesting. Also changed to use the new bad
5406 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5407 time. Use bitmap based test to discover loop nesting.
5409 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5411 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5414 2006-09-14 Richard Guenther <rguenther@suse.de>
5415 Kazu Hirata <kazu@codesourcery.com>
5417 PR middle-end/28884.
5418 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5419 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5420 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5421 with TARGET_FUNCTION_VALUE.
5423 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5426 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5428 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5430 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5433 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5436 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5439 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5441 * basic_block.h (bb_has_eh_pred): Fix comment.
5443 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5445 * flow.c (calculate_global_regs_live): Invalidate eh registers
5446 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5447 (propagate_block): Handle eh registers as if they were set at basic
5449 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5451 * global.c (global_conflicts): Make eh registers to conflict with
5452 pseudos live at basic block begin.
5453 * basic_block.h (bb_has_eh_pred): New function.
5455 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5457 PR rtl-optimization/28982
5458 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5459 index of a PRE_MODIFY or POST_MODIFY address.
5460 * reload1.c (inc_for_reload): Use find_replacement on the original
5461 base and index registers.
5463 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5465 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5466 for -Os. Update __m128 alignment requirement.
5468 2006-09-13 Jan Hubicka <jh@suse.cz>
5470 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5472 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5474 PR rtl-optimization/28243
5475 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5476 the insn to which the note was originally attached.
5478 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5479 Roger Sayle <roger@eyesopen.com>
5481 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5482 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5483 on platforms that don't use dwarf for debug info.
5485 2006-09-12 Jason Merrill <jason@redhat.com>
5488 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5489 hard_frame_pointer_rtx after using it to update the frame pointer.
5491 2006-09-12 Roger Sayle <roger@eyesopen.com>
5493 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5494 (TARGET_ASM_CLOSE_PAREN): Likewise.
5495 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5496 (TARGET_ASM_CLOSE_PAREN): Likewise.
5498 2006-09-12 Roger Sayle <roger@eyesopen.com>
5501 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5502 frame information for frames larger than 512 Kbytes on Tru64 when
5503 using the native assembler.
5505 2006-09-12 Roger Sayle <roger@eyesopen.com>
5509 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5510 and symbols. Instead use the implementation from cse.c's hash_rtx.
5512 2006-09-12 Jan Hubicka <jh@suse.cz>
5514 PR rtl-optimization/28071
5515 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5516 (vect_transform_loop): Likewise.
5517 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5518 (new_loop_vec_info): Likewise.
5519 (destroy_loop_vec_info): Likewise.
5520 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5521 (create_stmt_ann): Likewise.
5522 (create_tree_ann): Rename to ...
5523 (create_tree_common_ann): ... this one; allocate only the common part
5525 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5526 (get_value_handle): Likewise.
5527 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5528 get_tree_common_ann.
5529 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5530 (vinfo_for_stmt): Use stmt annotations.
5531 * tree-flow.h (tree_ann_common_t): New type.
5532 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5533 (tree_ann, get_tree_ann, create_tree_ann): New.
5534 * tree-flow-inline.h (get_function_ann): Do more type checking.
5535 (stmt_ann): Likewise.
5536 (tree_ann): Rename to ...
5537 (tree_common_ann): ... this one; return ony common_ann
5538 (get_tree_ann): Rename to ...
5539 (tree_common_ann): This one; return only common_ann.
5540 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5543 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5545 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5546 with_cpu by default.
5548 * dwarf2out.c (dwarf_file_data): New.
5549 (enum dw_val_class): Add dw_val_class_file.
5550 (struct dw_val_struct): Add val_file.
5551 (file_table): Change to a hash table.
5552 (file_table_emitted): Delete.
5553 (file_table_last_lookup_index): Delete.
5554 (emitcount): Delete.
5555 (last_emitted_file): New.
5556 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5557 (init_file_table): Delete.
5558 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5559 (AT_addr): Add comment.
5563 (print_die): Handle dw_val_class_file.
5564 (print_dwarf_line_table): Update for new file table structure.
5565 (attr_checksum): Do checksum a filename.
5566 (same_dw_val_p, same_attr_p): Do compare a filename.
5567 (size_of_die): Handle dw_val_class_file.
5568 (value_format): Likewise.
5569 (output_die): Likewise. Also, call maybe_emit_file here.
5570 (struct file_info): Constify filenames. Make file_idx a pointer
5571 to a struct dwarf_file_data.
5572 (struct dir_info): Constify directory names. Remove 'used' field.
5573 (struct file_name_acquire_data): New.
5574 (file_name_acquire): New.
5575 (output_file_names): Modify to handle new file data structures.
5576 (add_src_coords_attributes): Use add_AT_file.
5577 (add_call_src_coords_attributes): Likewise.
5578 (dwarf2out_imported_module_or_decl): Likewise.
5579 (gen_subprogram_die): Modify for new file data structures.
5580 (gen_variable_die): Likewise.
5581 (file_table_eq): New.
5582 (file_table_hash): New.
5583 (file_table_last_lookup): New.
5584 (lookup_filename): Rewrite to handle new file data structures.
5585 (maybe_emit_file): Rewrite to handle new file data structures.
5586 (dwarf2out_source_line): Always call lookup_filename and
5588 (dwarf2out_init): Create file_table here.
5589 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5590 (file_table_relative_p): New.
5591 (dwarf2out_finish): Change detection of relative filenames
5592 to work with new file data structures. Move output_line_info call
5593 after debug_info output.
5595 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5600 * config/i386/i386.c (override_options): Always default to 16
5601 byte stack boundary.
5603 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5606 * var-tracking.c (dump_dataflow_set): Start dumping at
5608 (clobber_variable_part): Kill only the variable part in
5609 registers holding it, leaving other variables alone.
5611 2006-09-11 Josh Triplett <josh@freedesktop.org>
5613 * doc/extend.texi (Other Builtins): Actually use the macro
5614 argument in the documentation example for
5615 __builtin_types_compatible_p.
5617 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5619 PR rtl-optimization/28726
5620 * sched-deps.c (sched_analyze_reg): New function extracted from...
5621 (sched_analyze_1): ...here. Call it to analyze references to
5622 registers. Treat again writes to a stack register as writing to the
5624 (sched_analyze_2): ...and here. Call it to analyze references to
5625 registers. Treat again reads of a stack register as reading the
5628 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5629 David Edelsohn <edelsohn@gnu.org>
5632 * config/rs6000/spe.md (frob_df_di): Remove %H.
5633 (frob_di_df): Remove %H. Change evmergelo to mr.
5634 (frob_di_df_2): Remove %H. Change evldd to two loads.
5636 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5638 * doc/cpp.texi: Fix names of charset options.
5640 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5643 * config/i386/i386.c (override_options): Use 128-bit
5644 stack boundary always for 64bits.
5646 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5648 PR rtl-optimization/28636
5649 * combine.c (force_to_mode): Test for side-effects before
5650 substituting by zero.
5651 (simplify_shift_const): Likewise for zero or other constants.
5653 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5656 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5659 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5662 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5663 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5664 returned by mode_for_size, rather than the mode of src itself,
5665 to choose between 32-bit and 64-bit patterns.
5666 (mips_mem_fits_mode_p): New function.
5667 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5668 that the size of the source matches the size of the destination.
5669 (mov_<store>l, mov_<store>r): Likewise.
5671 2006-09-10 Eric Christopher <echristo@apple.com>
5673 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5676 2006-09-09 Eric Christopher <echristo@apple.com>
5679 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5682 2006-09-09 Roger Sayle <roger@eyesopen.com>
5683 Nicolas Setton <setton@adacore.com>
5685 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5687 2006-09-10 Andreas Schwab <schwab@suse.de>
5689 * config/m68k/m68k.md (bungt_rev): New pattern.
5691 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5692 Dale Johannesen <dalej@apple.com>
5695 * regclass.c (struct reg_pref): Update documentation.
5696 (regclass): Set prefclass to NO_REGS if memory is the best option.
5697 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5699 2006-09-08 Eric Christopher <echristo@apple.com>
5701 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5702 * config/t-slibgcc-darwin: Support x86_64 multilib.
5703 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5704 Return 1 for x86_64-darwin.
5705 * config/i386/t-darwin: Add m64 multilib.
5706 (LIB2_SIDITI_CONV_FUNCS): Use.
5707 (LIB2FUNCS_EXTRA): Ditto.
5708 * config/i386/darwin.h: Support x86_64.
5709 * config/i386/i386.c (override_options): Turn on flag_pic
5710 for x86_64-darwin. Disable flag_omit_pointer.
5711 (get_pc_thunk_name): Assert !TARGET_64BIT.
5712 (legitimate_address_p): Disable machopic addressing for
5714 (legitimize_pic_address): Ditto.
5715 (ix86_expand_move): Ditto.
5716 (ix86_expand_call): Ditto.
5717 (machopic_output_stub): Ditto.
5718 * config/darwin.c (machopic_select_section): Support literal16.
5719 (machopic_select_rtx_section): Ditto.
5720 * config/darwin-sections.def: Ditto.
5721 * config/darwin-64.c: New.
5723 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5726 * c-tree.h (struct c_arg_info): Add pending_sizes.
5727 * c-parser.c (c_parser_parms_declarator,
5728 c_parser_parms_list_declarator): Initialize pending_sizes.
5729 * c-decl.c (get_parm_info): Initialize pending_sizes.
5730 (get_parm_info): Set pending_sizes.
5731 (grokdeclarator): Call put_pending_sizes for parameters for
5732 function definition only.
5734 2006-09-07 Jason Merrill <jason@redhat.com>
5737 * varasm.c (output_constant): Only strip actual no-op conversions.
5740 * config/i386/i386.c (override_options): Use 128-bit
5741 stack boundary if -msse.
5743 2006-09-07 Eric Christopher <echristo@apple.com>
5745 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5747 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5750 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5752 * dwarf2out.c: Remove strange characters from comment above
5753 dwarf2out_frame_debug_expr.
5755 2006-09-07 Eric Christopher <echristo@apple.com>
5757 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5758 * config/darwin.h: ... to here.
5760 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5762 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5764 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5765 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5767 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5768 TARGET_PARTIAL_FLAG_REG_STALL.
5769 (*ashldi3_cconly_rex64): Likewise.
5770 (*ashlsi3_cmp): Likewise.
5771 (*ashlsi3_cconly): Likewise.
5772 (*ashlsi3_cmp_zext): Likewise.
5773 (*ashlhi3_cmp): Likewise.
5774 (*ashlhi3_cconly): Likewise.
5775 (*ashlqi3_cmp): Likewise.
5776 (*ashlqi3_cconly): Likewise.
5777 (*ashrdi3_cmp_rex64): Likewise.
5778 (*ashrdi3_cconly_rex64): Likewise.
5779 (*ashrsi3_cmp): Likewise.
5780 (*ashrsi3_cconly): Likewise.
5781 (*ashrsi3_cmp_zext): Likewise.
5782 (*ashrhi3_cmp): Likewise.
5783 (*ashrhi3_cconly): Likewise.
5784 (*ashrqi3_cmp): Likewise.
5785 (*ashrqi3_cconly): Likewise.
5786 (*lshrdi3_cmp_rex64): Likewise.
5787 (*lshrdi3_cconly_rex64): Likewise.
5788 (*lshrsi3_cmp): Likewise.
5789 (*lshrsi3_cconly): Likewise.
5790 (*lshrsi3_cmp_zext): Likewise.
5791 (*lshrhi3_cmp): Likewise.
5792 (*lshrhi3_cconly): Likewise.
5793 (*lshrqi2_cmp): Likewise.
5794 (*lshrqi2_cconly): Likewise.
5796 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5799 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5800 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5801 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5802 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5803 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5804 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5805 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5806 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5807 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5808 implement only CC setting effects of shift instructions.
5810 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5812 * doc/contrib.texi: Add myself.
5814 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5817 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5818 was set by the user.
5820 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5823 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5824 (divsi_inv_m1): Use them.
5825 (UNSPEC_DIV_INV_TABLE): New constant.
5827 2006-09-06 James E Wilson <wilson@specifix.com>
5830 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5831 then call count_or_remove_death_notes.
5833 2006-09-06 Jason Merrill <jason@redhat.com>
5836 * tree-inline.c (copy_result_decl_to_var): New fn.
5837 (declare_return_variable): Use it. Call declare_inline_vars here.
5838 (expand_call_inline): Not here.
5840 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5842 * doc/contrib.texi: Update my entry.
5844 2006-09-06 Nick Clifton <nickc@redhat.com>
5846 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5848 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5851 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5852 (canonicalize_induction_variables): Likewise.
5853 (tree_unroll_loops_completely): Likewise.
5854 (tree_ssa_prefetch_arrays): Likewise.
5855 (remove_empty_loops): Likewise.
5856 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5857 TODO_cleanup_cfg instead of directly calling
5858 cleanup_tree_cfg_loop.
5859 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5861 (tree_unroll_loops_completely): Likewise.
5862 (remove_empty_loops): Likewise.
5863 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5864 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5865 of tree_ssa_unswitch_loops.
5866 (tree_ssa_loop_ivcanon): Use the return value of
5867 canonicalize_induction_variables.
5868 (tree_ssa_empty_loop): Use the return value of
5870 (tree_complete_unroll): Use the return value of
5871 tree_unroll_loops_completely.
5872 (tree_ssa_loop_prefetch): Use the return value of
5873 tree_ssa_prefetch_arrays.
5874 * passes.c (execute_todo): Before Cleanup CFG, set
5875 updating_used_alone and after cleanup CFG, call
5876 recalculate_used_alone.
5878 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5881 * tree-vect-transform.c (vectorizable_condition): Move the check
5882 for the type after the check for simple condition.
5884 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5885 Kaz Kojima <kkojima@gcc.gnu.org>
5888 * mode-switching.c (optimize_mode_switching): Make the destination
5889 block of an abnormal edge have no anticipatable mode. Don't
5890 insert mode switching code at the end of the source block of
5893 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5895 PR rtl-optimization/26847
5896 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5897 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5898 (simplify_plus_minus): Count n_constants while filling ops. Replace
5899 qsort with insertion sort. Before going through the array to simplify
5900 pairs, sort it. Delay early exit until after the first sort, exiting
5901 only if no swaps occurred. Simplify pairs in reversed order, without
5902 special-casing the first iteration. Pack ops after simplifying pairs.
5904 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5906 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5907 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5908 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5909 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5911 2006-09-05 Richard Guenther <rguenther@suse.de>
5913 PR tree-optimization/28900
5914 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5915 compound conditional before creating COND_EXPR condition.
5917 2006-09-05 Richard Guenther <rguenther@suse.de>
5919 PR tree-optimization/28905
5920 * tree-vrp.c (fix_equivalence_set): Manually implement
5921 !value_ranges_intersect_p to also handle symbolic ranges.
5923 2006-09-05 Richard Guenther <rguenther@suse.de>
5926 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5929 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5931 PR rtl-optimization/27616
5932 * cse.c (table_size): New static variable.
5933 (new_basic_block): Initialize it to 0.
5934 (remove_from_table): Decrement it.
5935 (insert): Increment it.
5936 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5937 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5938 fold_rtx_mem_1 if under the cap.
5939 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5940 the lookup of the equivalent expression and test for equality of the
5941 first operand of the equivalent expression before in turn looking up
5942 an equivalent constant for the second operand.
5944 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5947 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5948 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5949 pointer, instead of assuming it is possible to derive the
5950 correct args size from a call insn.
5952 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5955 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5956 (fold_builtin_mempcpy): Rename to...
5957 (fold_builtin_memory_op): ... this. Optimize one element copy
5959 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5961 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5962 (expand_builtin_memcpy, expand_builtin_mempcpy,
5963 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5964 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5965 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5966 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5968 2006-09-01 DJ Delorie <dj@redhat.com>
5970 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5971 (stzx_16): Likewise.
5972 ("stzx_24_<mode>"): Likewise.
5973 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5974 ("cmp<mode>_op"): New.
5975 (cmp<mode>): Change to expander; just save operands.
5977 (b<code>): Change to expander, emit compare here.
5978 (s<code>_op): Change to use split and expander.
5979 (s<code>_24_op): Likewise.
5980 (s<code>_<mode>): New.
5981 (s<code>_<mode>_24): New.
5982 (movqicc_<code>_<mode): New.
5983 (movhicc_<code>_<mode>): New.
5986 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5987 (m32c_pend_compare): New.
5988 (m32c_unpend_compare): New.
5989 (m32c_expand_scc): New.
5990 (m32c_expand_movcc): Emit the compare also.
5991 * config/m32c/predicates.md (mra_nopp_operand): New.
5993 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5994 Richard Guenther <rguenther@suse.de>
5995 Adam Nemet <anemet@caviumnetworks.com>
5998 * builtins.c (get_pointer_alignment): Handle more forms
5999 of base addresses that can be used to derive more precise
6000 information about alignment.
6002 2006-09-01 Jason Merrill <jason@redhat.com>
6005 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
6008 * gimplify.c (voidify_wrapper_expr): Handle null type.
6010 2006-09-01 Josh Conner <jconner@apple.com>
6013 * tree-nrv.c (dest_safe_for_nrv_p): New function.
6014 (execute_return_slot_opt): Use it.
6016 2006-08-31 Josh Conner <jconner@apple.com>
6019 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
6020 returning aggregates.
6022 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
6024 PR tree-optimization/28839
6025 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
6026 blocks in that phi arguments appear.
6028 2006-08-31 Roger Sayle <roger@eyesopen.com>
6031 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
6032 NULL, otherwise use an advance_loc4 to adjust relative to the
6034 (output_cfi) <DW_CFA_set_loc>: Update the current label.
6035 (dwarf2out_switch_text_section): Reset the current label to avoid
6036 using advance_loc4 over section boundaries.
6038 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
6041 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
6042 r12 + SYMBOLIC_CONST.
6044 2006-08-30 Richard Guenther <rguenther@suse.de>
6046 * Makefile.in (see.o): Add $(EXPR_H) dependency.
6048 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
6050 PR rtl-optimization/27735
6051 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
6052 Add new argument to keep track of whether an irreducible region
6053 was affected. All callers changed.
6054 (fix_irreducible_loops): Removed.
6055 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
6056 flags were invalidated.
6058 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
6060 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
6061 instead of SF operands.
6062 (*fop_df_comm_sse): Likewise.
6063 (*fop_df_comm_i387): Likewise.
6064 (*fop_df_1_mixed): Likewise.
6065 (*fop_df_1_sse): Likewise.
6067 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
6068 J"orn Rennecke <joern.rennecke@st.com>
6070 PR tree-optimization/17506
6071 * tree-ssa.c (warn_uninit): If warning about a location outside of
6072 the current function, note where the variable was declared.
6074 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
6076 PR tree-optimization/28411
6077 * double-int.c (double_int_div): Use double_int_divmod.
6078 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
6079 double_int_mod, double_int_smod, double_int_umod): New functions.
6080 * double-int.h (double_int_divmod, double_int_sdivmod,
6081 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
6083 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
6085 (get_computation_aff, get_computation_cost_at): Handle double_int
6086 return type of constant_multiple_of.
6088 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
6091 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
6092 an implicit conversion.
6094 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
6096 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
6098 2006-08-27 Roger Sayle <roger@eyesopen.com>
6100 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
6103 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
6105 * config/i386/crtfastmath.c: Fix a comment typo.
6107 2006-08-26 Roger Sayle <roger@eyesopen.com>
6109 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
6110 temporary visit flags on CASE_LABEL_EXPRs.
6111 * c-common.c (match_case_to_enum): Add function comment. Avoid
6112 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
6113 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
6114 CASE_HIGH_SEEN for enumerated types. If the switch expression is
6115 a constant, only warn if that constant value isn't handled.
6117 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
6120 * input.h (restore_input_file_stack): Declare.
6121 (INPUT_FILE_STACK_BITS): Define.
6122 * toplev.c (fs_p, input_file_stack_history,
6123 input_file_stack_restored, restore_input_file_stack): New.
6124 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
6125 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
6126 (pop_srcloc): Don't free old state of stack.
6128 2006-08-26 David Edelsohn <edelsohn@gnu.org>
6131 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
6132 (PowerPC Type Attributes): New.
6134 2006-08-26 Bob Wilson <bob.wilson@acm.org>
6136 * config/xtensa/xtensa.c (function_arg_boundary): New.
6137 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
6139 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
6140 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
6142 2006-08-26 Jakub Jelinek <jakub@redhat.com>
6145 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
6148 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6150 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
6151 (verify_local_live_at_start): Likewise.
6153 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6156 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
6157 omp_add_variable): Treat sizes as variable whenever not
6160 2006-08-26 Richard Guenther <rguenther@suse.de>
6163 * fold-const.c (fold_binary): Fold temporary to correct
6164 type before constructing new comparison.
6166 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6169 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6170 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6172 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6175 * c-decl.c (start_function): Don't try to process prototype
6176 information from old declaration that isn't a function.
6178 2006-08-25 Jan Hubicka <jh@suse.cz>
6181 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6183 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6186 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6189 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6191 PR tree-optimization/16876
6192 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6193 exit if PARM doesn't match VALUE.
6195 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6197 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6198 literal_prefix directive.
6199 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6200 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6201 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6203 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6206 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6207 predicate to general_operand. Add 0->y and I->r alternatives.
6209 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6211 * doc/tm.texi: Fix a typo.
6212 * predict.c: Fix comment typos.
6214 2006-08-25 Nick Clifton <nickc@redhat.com>
6216 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6217 assertions of "cpu" and "machine".
6219 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6222 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6223 the access through a base which has an alias set of 0 cannot
6226 2006-08-24 Bill Wendling <wendling@apple.com>
6228 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6230 2006-08-24 Jan Hubicka <jh@suse.cz>
6232 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6234 2006-08-24 Jan Hubicka <jh@suse.cz>
6237 * cgraph.c: Fix comments.
6238 (cgraph_varpool_mark_needed_node): Mark only variables not already
6240 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6241 (cgraph_varpool_assembled_nodes_queue): New static variable.
6242 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6243 (cgraph_varpool_output_debug_info): New function.
6244 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6245 * Makefile.in: Add gt-cgraphunit.h
6247 2006-08-24 Jan Hubicka <jh@suse.cz>
6249 * predict.c (probability_reliable_p): New predicate.
6250 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6251 (predict_loops): Do not predict loop exit with less than 2%
6253 * basic-block.h (edge_probability_reliable_p,
6254 br_prob_note_reliable_p): Declare.
6255 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6256 prediction when static predictor is not reliable.
6257 * rs6000.c (output_cbranch): Likewise.
6259 2006-08-23 Stuart Hastings <stuart@apple.com>
6262 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6263 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6265 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6268 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6269 complex values, nor for generic vector values.
6271 2006-08-22 Richard Guenther <rguenther@suse.de>
6274 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6275 parameter. Convert arguments to arithmetic expression to the
6277 (analyze_scalar_evolution_1): Adjust caller.
6279 2006-08-22 Jan Hubicka <jh@suse.cz>
6281 Patch by Paolo Bonzini
6282 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6285 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6287 PR tree-optimization/28003
6288 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6289 before grouping aliases.
6291 2006-08-22 Roger Sayle <roger@eyesopen.com>
6293 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6294 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6296 2006-08-21 Jason Merrill <jason@redhat.com>
6299 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6300 wrapper. Loop to handle nested wrappers.
6301 (gimplify_bind_expr): Remove temp parameter.
6302 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6303 and STATEMENT_LIST on the rhs.
6304 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6305 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6306 (gimplify_target_expr): Remove special BIND_EXPR handling.
6308 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6310 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6313 2006-08-21 Olivier Hainque <hainque@adacore.com>
6315 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6316 Arrange for the temporary captures of components overlapping the lhs
6317 to happen before the lhs is possibly cleared.
6319 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6321 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6322 necessary places to pass the correct "number of registers" values
6325 2006-08-20 Jan Hubicka <jh@suse.cz>
6327 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6328 (create_name_tags): Instead of quadratic checking use hashtable.
6329 * bitmap.h: Include hashtab.h.
6330 (bitmap_hash): Declare.
6331 * bitmap.c (bitmap_hash): New function.
6333 2006-08-20 Jan Hubicka <jh@suse.cz>
6335 PR rtl-optimization/28071
6336 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6338 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6339 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6340 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6341 cgraph_decide_inlining_incrementally): Update use of
6342 cgraph_check_inline_limits.
6343 * cgraph.c (edge_hash, edge_eq): New function.
6344 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6345 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6346 cgraph_remove_node): Maintain call site hash.
6347 * cgraph.h (struct cgraph_node): Add call_site_hash.
6348 (cgraph_set_call_stmt): New function.
6350 2006-08-20 Jan Hubicka <jh@suse.cz>
6352 PR rtl-optimization/28071
6353 * reload1.c (reg_has_output_reload): Turn into regset.
6354 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6355 choose_reload_regs, emit_reload_insns): Update to new
6356 reg_has_output_reload.
6358 2006-08-20 Jan Hubicka <jh@suse.cz>
6361 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6362 function body sizes.
6363 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6365 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6368 * tree.c (handle_dll_attribute): Return early if not a
6369 var or function decl.
6371 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6374 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6375 alignment of SPE vector types.
6377 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6379 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6381 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6384 * cgraph.h (struct cgraph_node): Remove externally_visible
6386 * cgraphunit.c (process_function_and_variable_attributes): Set
6387 local.externally_visible rather than externally_visible.
6390 * c-common.c (handle_externally_visible_attribute): First look
6391 at TREE_CODE and only if it is function or var decl, check for
6392 non-public objects. Don't warn for DECL_EXTERNAL.
6393 * cgraphunit.c (process_function_and_variable_attributes): Warn
6394 if externally_visible attribute is used on non-public object.
6396 2006-08-17 Jan Hubicka <jh@suse.cz>
6398 PR tree-optimization/27865
6399 * reload1.c (forget_marked_reloads): New function.
6400 (forget_old_reloads_1): When data are passed, just mark the registers
6402 (reload_as_needed): Use the new mechanizm.
6404 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6407 * reload.h (reg_equiv_alt_mem_list): New declaration.
6408 * reload1.c (reg_equiv_alt_mem_list): New definition.
6409 (reload): Initialize it and release it.
6410 (delete_output_reload): Use it.
6411 * reload.c (push_reg_equiv_alt_mem): New function.
6412 (find_reloads_toplev): Call it.
6413 (find_reloads_address, find_reloads_address_1): Likewise.
6414 (find_reloads_subreg_address): Likewise.
6416 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6418 PR rtl-optimization/28489
6419 * sched-ebb.c (begin_schedule_ready): Create basic block
6421 (advance_target_bb): Skip empty blocks.
6422 * haifa-sched.c (bb_note): Make global.
6423 * sched-int.h (bb_note): Add prototype.
6425 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6427 PR tree-optimization/27865
6428 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6430 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6431 fold_used_pointer, pointer_used_p): New functions.
6432 (analyze_scalar_evolution_1): Use fold_used_pointer.
6433 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6434 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6437 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6440 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6441 or the INTEGER_CST. Fail on a CALL_EXPR.
6442 (fold_offsetof): Pass new argument to fold_offsetof_1.
6443 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6444 operand into an INDIRECT_REF.
6445 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6447 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6449 PR gcov/profile/26570
6450 * value-prof.c (static_values): Removed.
6451 (tree_find_values_to_profile): Do not set static_values.
6452 (find_values_to_profile): Do not free static_values.
6453 * profile.c (instrument_values): Do not free the values.
6454 (branch_prob): Free the values.
6456 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6458 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6460 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6463 * c-typeck.c (build_component_ref): Combine qualifiers of
6464 structure or union and field.
6466 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6468 PR rtl-optimization/28071
6469 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6470 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6471 * tree-into-ssa.c (struct dom_dfsnum): New.
6472 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6474 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6475 compute_global_livein.
6476 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6477 in phi nodes in the correct blocks.
6479 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6481 PR tree-optimization/28364
6482 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6484 (fold_affine_expr): New function.
6485 (may_eliminate_iv): Use fold_affine_expr.
6487 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6490 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6493 2006-08-16 Mike Stump <mrs@apple.com>
6495 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6496 * doc/cppopts.texi (-MD): Likewise.
6498 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6501 * c-common.c (handle_weak_attribute): Ignore and warn if
6502 not a FUNCTION_ or VAR_DECL.
6504 2006-07-15 Mike Stump <mrs@apple.com>
6507 * c-parser.c (c_parser_typeof_specifier): Don't use
6508 c_finish_expr_stmt, open code desired semantics instead.
6510 2006-08-15 Nick Clifton <nickc@redhat.com>
6512 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6513 fragment to tmake_file only if threads are enabled.
6514 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6515 * config/i386/t-gthr-win32: New file. ... here.
6517 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6520 * c-parser.c (c_parser_compound_statement_nostart): Reset
6521 parser->error after each statement.
6523 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6526 * omp-low.c (lower_omp_parallel): Convert t to
6527 receiver_decl's type.
6528 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6529 source before comparison.
6532 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6533 to itype in assignment to oldival2.
6535 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6539 * c-typeck.c (build_compound_expr): If the second expression
6540 is an error mark, then just return an error mark instead of
6541 creating a COMPOUND_EXPR.
6543 2006-07-14 Mike Stump <mrs@apple.com>
6545 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6547 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6549 * c-decl.c, var-tracking.c: Fix comment typos.
6551 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6553 PR rtl-optimization/28634
6554 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6555 for floating-point modes unless flag_unsafe_math_optimizations.
6557 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6558 Andrew Pinski <pinskia@physics.uc.edu>
6561 * tree.c (build_array_type): Unify array types with
6562 unspecified index_type.
6563 * c-decl.c (grokdeclarator): Make sure we do not modify a
6564 unified incomplete array type.
6565 * c-typeck.c (store_init_value): Create distinct type before
6566 filling in the index type in an initializer from a compound
6569 * c-decl.c (grokdeclarator): Remove code where we copy the
6572 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6574 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6575 into account for TODO_dump_cgraph.
6576 (TODO_update_ssa_no_phi): Likewise.
6577 (TODO_update_ssa_full_phi): Likewise.
6578 (TODO_update_ssa_only_virtuals): Likewise.
6579 (TODO_remove_unused_locals): Likewise.
6580 (TODO_set_props): Likewise.
6581 (TODO_update_stmt_usage): Likewise.
6583 2006-08-13 Dirk Mueller <dmueller@suse.de>
6585 * c-common.c (strict_aliasing_warning): Fix formatting.
6587 2006-08-13 Matthias Klose <doko@debian.org>
6589 * doc/invoke.texi: Fix spelling errors.
6591 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6593 PR rtl-optimization/23454
6594 * reorg.c (relax_delay_slots): Update comment.
6596 2006-08-11 Richard Guenther <rguenther@suse.de>
6599 * simplify-rtx.c (simplify_const_relational_operation):
6600 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6603 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6605 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6606 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6608 2006-08-10 Paul Brook <paul@codesourcery.com>
6610 * final.c (final_scan_insn): Clear current_insn_predicate before
6611 outputting inline asm.
6613 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6615 PR tree-optimization/26197
6616 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6617 get_ref_base_and_extent and overlap_subvar to add only relevant
6618 subvars as may-aliases.
6619 (add_may_alias_for_new_tag): New function, factored out of
6621 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6622 with additional argument.
6623 * tree-flow.h (new_type_alias): Takes additional argument.
6625 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6627 * gcov.c (no_data_file): New flag.
6628 (read_count_file): Set it if data file not present. Assume counts
6630 (output_lines): Don't name the data file, if there wasn't one.
6632 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6634 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6635 (rs6000_generate_compare): Tweak comments.
6636 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6638 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6640 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6641 (var_debug_decl): New function.
6642 (var_reg_set): Follow debug decl link. Add location even if
6643 reg is already known to hold some other variable.
6644 (var_mem_set): Follow debug decl link.
6645 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6646 decl link. Delete other known locations of the variable part
6648 (var_reg_delete, var_mem_delete): Delete other known locations
6649 of the variable part if requested.
6650 (same_variable_part_p): New function.
6651 (add_stores): Select MO_COPY when appropriate.
6652 (vt_initialize): Handle it.
6653 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6654 known locations for MO_SET and MO_CLOBBER.
6655 (find_variable_location_part): New function.
6656 (set_variable_part, delete_variable_part): Use it.
6657 (clobber_variable_part): New function.
6658 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6661 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6663 PR tree-optimization/26969
6664 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6665 with an empty list of PHIs.
6667 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6671 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6674 2006-08-06 Andreas Schwab <schwab@suse.de>
6676 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6677 string. Whitespace and comment fixup.
6679 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6682 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6686 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6689 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6691 2006-08-04 Jan Hubicka <jh@suse.cz>
6695 * reload.c (push_reload): Patch out the mismatching instruction;
6697 (find_reload): Bail out if the instruction was patched out.
6699 2006-08-04 Jan Hubicka <jh@suse.cz>
6701 PR tree-optimization/24888
6702 * tree-inline.c (expand_call_inline): Do not re-record variables.
6703 (declare_inline_vars): Add variable to unexpanded_var_list.
6705 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6706 Roger Sayle <roger@eyesopen.com>
6708 PR rtl-optimization/26244
6709 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6710 inner_const are negative or greater than or equal to the bitsize of
6711 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6712 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6713 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6714 CONST0_RTX (mode) when the new shift count is greater than or equal to
6715 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6718 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6720 * tree-cfg.c: Fix a comment typo.
6722 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6725 * varasm.c (output_constant): Give the front end another chance to
6726 expand constants, after stripping NOPs.
6728 2006-08-03 Jan Hubicka <jh@suse.cz>
6730 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6733 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6735 PR tree-optimization/27770
6736 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6737 declaration removed (moved to tree-flow.h).
6738 (vect_can_force_dr_alignment_p): Likewise.
6739 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6740 (moved from tree-vectorizer.h).
6741 (vect_can_force_dr_alignment_p): Likewise.
6742 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6743 from outside the vectorizer - in particular from cgraph stage.
6744 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6745 the alignment of global arrays when -fsection-anchors is enabled.
6746 * cgraphunit.c (cgraph_increase_alignment): New function.
6747 (cgraph_optimize): Call cgraph_increase_alignment.
6749 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6752 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6753 not reload a SPE symbol_ref into a lo_sum address.
6755 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6758 * dwarf2out.c (prune_unused_types_prune): Move call to
6759 prune_unused_types_update_strings to cover the parent DIE also.
6761 2006-08-02 Jan Hubicka <jh@suse.cz>
6763 PR gcov/profile/28480
6764 * tree-cfg.c (change_bb_for_stmt): New function.
6765 (tree_merge_blocks, tree_split_blocks): Use it.
6767 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6773 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6774 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6775 (cgraph_optimize): Likewise.
6777 2006-08-01 Stuart Hastings <stuart@apple.com>
6779 * rtl.h (UINTVAL) New.
6780 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6781 * testsuite/gcc.dg/20060801-1.c: New.
6783 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6786 * c-typeck.c (build_external_type): Mark used enum types.
6787 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6789 (gen_subprogram_die): Whitespace fix.
6791 2006-08-01 Jan Hubicka <jh@suse.cz>
6793 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6794 bitmap when not needed.
6795 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6798 2006-08-01 Dirk Mueller <dmueller@suse.de>
6800 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6802 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6804 * Makefile.in: Revert part of previous patch:
6805 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6808 2006-07-30 Eric Christopher <echristo@apple.com>
6811 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6812 (PowerPC Variable Attributes): New section.
6814 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6816 PR target/28126 (partial fix)
6817 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6819 2006-07-28 Jan Hubicka <jh@suse.cz>
6821 PR rtl-optimization/28071
6822 * cfgrtl.c (rtl_delete_block): Free regsets.
6823 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6825 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6827 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6828 and variables used in dependencies.
6830 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6832 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6833 %fs for -mcmodel=kernel.
6834 (stack_tls_protect_test_di): Likewise.
6836 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6838 * Makefile.in: Use mkinstalldirs.
6840 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6843 * opts-common.c (prune_options): Skip joined switches.
6845 2006-07-27 Jan Hubicka <jh@suse.cz>
6847 PR rtl-optimization/28071
6848 * cselib.c (cselib_process_insn): Don't remove useless values too
6849 often for very large hashtables.
6851 2006-07-27 Jan Hubicka <jh@suse.cz>
6853 PR rtl-optimization/28071
6854 * global.c (greg_obstack): New obstack.
6855 (allocate_bb_info): Use it.
6856 (free_bb_info): Likewise.
6857 (modify_reg_pav): Likewise.
6859 2006-07-27 Roger Sayle <roger@eyesopen.com>
6861 * builtins.c (fold_fixed_mathfn): When long and long long are the
6862 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6863 functions to their lceil*, lfloor*, lround* and lrint* forms.
6865 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6868 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6870 (rev_branch_insn): Likewise.
6872 2006-07-27 Jan Hubicka <jh@suse.cz>
6874 PR rtl-optimization/28071
6875 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6876 (reg_set_in_bb, max_reg_computed): New static variables.
6877 (regmove_optimize): Free the new array.
6878 (fixup_match_1): Update call of reg_is_remote_constant_p.
6880 2006-07-26 Jan Hubicka <jh@suse.cz>
6882 PR tree-optimization/27882
6883 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6885 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6887 (cgraph_analyze_compilation_unit): Likewise.
6888 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6889 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6890 (cgraph_early_inlinine): Make order garbage collected.
6891 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6893 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6895 * dbxout.c (output_types_sort): Add a comment.
6896 (output_used_types): Free the VEC.
6898 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6900 * function.c (reorder_fix_fragments): Delete.
6901 (reorder_blocks): Don't call it.
6902 (reorder_blocks_1): Put all subblocks under the origin block.
6904 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6906 PR rtl-optimization/27907
6907 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6910 2006-07-25 Roger Sayle <roger@eyesopen.com>
6913 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6914 bar(x) check that bar's result type can represent all the values of T.
6916 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6918 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6920 2006-07-25 Nick Clifton <nickc@redhat.com>
6922 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6923 size_lookup[] array.
6924 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6925 (ggc_pch_count_object): Likewise.
6926 (ggc_pch_alloc_object): Likewise.
6927 (ggc_pch_write_object): Likewise.
6928 (init_ggc): Do not attempt to initialize entries in the
6929 size_lookup[] array for objects whose size is greater than than
6930 the length of the array.
6932 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6934 * dbxout.c (output_used_types_helper): Push queued types
6936 (output_types_sort): New.
6937 (output_used_types): Collect used types on a VEC and sort them
6940 2006-07-24 Richard Guenther <rguenther@suse.de>
6943 * cgraph.c (cgraph_remove_node): Do not check if dumps
6945 * cgraphunit.c (cgraph_optimize): Likewise.
6947 2006-07-24 Jan Hubicka <jh@suse.cz>
6949 PR rtl-optimization/28071
6950 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6951 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6952 splitting before first stmt.
6954 2006-07-24 Jan Hubicka <jh@suse.cz>
6956 PR rtl-optimization/28071
6957 * ipa-inline.c (update_caller_keys): Remove edges that
6958 are no longer inline candidates.
6960 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6963 * dbxout.c (output_used_types_helper, output_used_types): New.
6964 (dbxout_symbol): Call output_used_types.
6966 2006-07-23 Jan Hubicka <jh@suse.cz>
6970 * cgraph.c (cgraph_varpool_nodes): Export.
6971 (decide_is_variable_needed): Ignored "used" attribute in
6972 unit-at-a-time mode.
6973 * cgraph.h (cgraph_varpool_nodes): Declare.
6974 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6975 unit-at-a-time mode.
6977 2006-07-23 Roger Sayle <roger@eyesopen.com>
6980 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6981 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6982 the __gthrw form of thr_keycreate.
6983 (__gthread_key_delete): Silence the unused argument warning.
6985 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6988 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6989 Cache the last found '\0' marker to avoid quadratic behavior.
6991 2006-07-23 Jan Hubicka <jh@suse.cz>
6993 * i386.md (subsi_3_zext): Fix output template.
6995 2006-07-21 Mike Stump <mrs@apple.com>
6997 * doc/invoke.texi (C++ Dialect Options): Note that
6998 -fvisibility-inlines-hidden doesn't affect explicitly
6999 instantiationed inline methods.
7001 2006-07-20 Roger Sayle <roger@eyesopen.com>
7003 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
7004 if the target assembler is GNU binutils' gas.
7005 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
7006 whether to pass GNU gas or native as command line options.
7008 2006-07-20 Jason Merrill <jason@redhat.com>
7010 * tree.c (remove_attribute): New fn.
7011 * tree.h: Declare it.
7013 2006-07-20 Paul Brook <paul@codesourcery.com>
7016 * cse.c (cse_insn): Add destination addresses to hash table. Check if
7017 they are invalidated by this instruction.
7019 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
7022 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
7024 2006-07-20 Eric Christopher <echristo@apple.com>
7027 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
7029 2006-07-19 Eric Christopher <echristo@apple.com>
7031 * config/t-slibgcc-darwin (stmp-lipo): Remove.
7032 Rewrite dependencies for libgcc_s.1.dylib.
7034 2006-07-19 Jakub Jelinek <jakub@redhat.com>
7036 * except.c (duplicate_eh_regions_1): Clear next_peer.
7038 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
7040 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
7041 -mlongcall does not guarantee all calls will be long.
7042 * doc/extend.texi (long_call/short_call): Document that longcall
7043 does not guarantee a long call will be used.
7044 (longcall/shortcall): Likewise.
7046 2006-07-18 Roger Sayle <roger@eyesopen.com>
7049 * expmed.c (expand_shift): Additionally check that the shift_cost
7050 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
7051 before implementing a LSHIFT_EXPR as a sequence of additions.
7052 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
7053 middle-end that DImode shifts need to be synthesized by expand.
7055 2006-07-18 Diego Novillo <dnovillo@redhat.com>
7058 * tree-ssa-operands.c (access_can_touch_variable): Update
7060 Return true if ALIAS is .GLOBAL_VAR.
7062 2006-07-18 David Daney <ddaney@avtrex.com>
7064 * gcc.c (display_help): Fix typo in help text.
7066 2006-07-18 Olivier Hainque <hainque@adacore.com>
7068 * tree.h (categorize_ctor_elements): Adjust prototype and add
7069 descriptive comment, both in accordance with the interface change
7071 * varasm.c (constructor_static_from_elts_p): New function.
7072 Whether a constructor node is a valid static constant initializer
7073 if all its elements are.
7074 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
7075 * output.h: Declare it.
7076 * expr.c (categorize_ctor_elements_1): Return whether the constructor
7077 is a valid constant initializer instead of computing the number of
7078 non-constant elements. Use constructor_static_from_elts_p for this
7079 purpose. Replace the head comment with an indication that this is a
7080 helper for categorize_ctor_elements.
7081 (categorize_ctor_elements): Same interface change as for the _1
7082 helper. Former head comment from this helper moved here, adjusted to
7083 account for the interface changes.
7084 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
7085 (all_zeros_p): Likewise.
7086 * gimplify.c (gimplify_init_constructor): Decide whether we can make
7087 static versions of the constructor from the categorize_ctor_elements
7088 return value instead of the formerly computed number of non-constant
7091 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
7093 * configure: Regenerate.
7094 * Makefile.in (build_libsubdir): New configure substitution
7095 (build_libobjdir): New variable.
7096 (BUILD_LIBIBERTY): Use it.
7098 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7101 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
7103 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
7106 * c-common.c (handle_weakref_attribute): Ignore attribute in
7107 the same conditions the alias attribute is ignored.
7109 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
7111 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
7112 (dbxout_begin_prologue): Increment scope_labelno.
7114 2006-07-17 Richard Henderson <rth@redhat.com>
7117 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
7120 2006-07-17 Roger Sayle <roger@eyesopen.com>
7121 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7123 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
7124 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
7125 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
7126 functions such as sbrk, write, etc.. Add function prototypes.
7127 Convert function declarations from K&R to ISO C. Cast pointers
7128 to "long" and "unsigned long" instead of "int" and "unsigned int".
7129 Convert tokens following #endif into comments.
7131 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
7133 * invoke.texi: Remove mention of f77; Reformat table for
7134 inline parameter options correctly; mention that -malign-double
7135 is default on x86-64 targets.
7137 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
7139 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
7140 (convert_affine_scev, chrec_convert_aggressive): Use
7141 avoid_arithmetics_in_type_p. Do not check for the subtypes
7144 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7147 * optabs.c (expand_doubleword_shift): Wrap the call to
7148 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
7150 2006-07-17 Richard Sandiford <richard@codesourcery.com>
7153 * optabs.c (expand_binop): Pass next_methods rather than methods
7154 to expand_doubleword_shift.
7156 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
7159 * tree.h (dump_addr): Declare.
7160 * print-tree.c (dump_addr): New function.
7161 (print_node_brief, print_node): Use it.
7162 * print-rtl.c (print_rtx): Likewise.
7163 * common.opt (-fdump-noaddr): New option.
7164 * doc/invoke.texi (-fdump-noaddr): Document.
7165 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7166 (ve_info_hash): Likewise.
7168 2006-07-13 Andrew Haley <aph@redhat.com>
7170 PR tree-optimization/19505
7171 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7172 edge leaving this block, make sure that the destination of this
7173 block has only one predecessor.
7175 2006-07-17 Richard Guenther <rguenther@suse.de>
7177 PR tree-optimization/28238
7178 * tree-inline.c (copy_bb): Check if we produced valid
7179 gimple copying and substituting a stmt. If not, gimplify
7182 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7184 * optabs.c (maybe_encapsulate_block): New function extracted from...
7185 (emit_libcall_block): ...here. Invoke it on the block of insns to
7186 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7187 (emit_no_conflict_block): Likewise.
7189 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7191 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7193 2006-07-15 Roger Sayle <roger@eyesopen.com>
7195 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7196 a new NOP_EXPR case of the switch statement.
7198 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7201 * stor-layout.c (place_field): Take the bit field with
7202 an excessive size into account in the ms-bitfiled case.
7205 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7206 the previous bit field.
7208 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7211 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7213 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7215 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7216 signal frames correctly even when the signal was installed with
7219 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7221 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7222 (dbxout_function_end): Use local label LFBB. Remove hook
7224 (dbxout_source_line): Use local label LFBB.
7225 (dbxout_block): Likewise.
7226 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7227 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7228 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7229 and DBX_OUTPUT_NFUN.
7231 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7233 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7235 2006-07-13 Jan Hubicka <jh@suse.cz>
7237 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7239 * output.h (align_variable): Declare.
7240 * varasm.c (align_variable): Export.
7241 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7242 when basic block changed.
7244 2006-07-13 Nick Clifton <nickc@redhat.com>
7246 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7247 walking the LOG_LINKS chain.
7249 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7251 * doc/invoke.texi (C++ Dialect Options): Explain difference
7252 between -fvisibility-inlines-hidden and setting hidden
7253 visibility explicitly.
7255 2006-07-12 Eric Christopher <echristo@apple.com>
7257 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7258 (stmp-lipo): Depend on libgcc.a.
7260 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7262 * tree.c: Fix a comment typo.
7264 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7266 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7268 (umulhisi3_r): Likewise.
7270 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7273 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7274 x < 19, vs wchar_t support.
7276 2006-07-12 Nick Clifton <nickc@redhat.com>
7278 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7279 instead of -isa=sh4.
7281 2006-07-12 Mike Stump <mrs@apple.com>
7283 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7285 2006-07-10 Eric Christopher <echristo@apple.com>
7287 * config/t-slibgcc-darwin: Rewrite.
7289 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7292 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7295 2006-07-08 Matthias Klose <doko@debian.org>
7297 * doc/sourcebuild.texi: Fix typo.
7299 2006-07-07 Mike Stump <mrs@apple.com>
7301 * toplev.c (process_options): Don't give -ffunction-sections may
7302 affect debugging warning for Mach-O.
7304 2006-07-07 James E Wilson <wilson@specifix.com>
7306 * config/mips/mips.md (cpu): Add sb1a.
7307 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7308 addition to sb1. Adjust comments to clarify SB-1A differences from
7310 (ir_sb1a_load): New. Modify bypasses to use it.
7311 (ir_sb1a_simple_alu): Likewise.
7312 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7313 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7314 (mips_issue_rate): Add PROCESSOR_SB1A.
7315 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7316 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7317 (TARGET_SB1): Add PROCESSOR_SB1A check.
7318 (TUNE_SB1): Likewise.
7320 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7321 * config/mips/mips.c (mips_store_data_bypass_p): New.
7322 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7323 store_data_bypass_p.
7325 2006-07-08 Paul Brook <paul@codesourcery.com>
7328 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7330 2006-07-07 Richard Guenther <rguenther@suse.de>
7333 * tree.h (build_one_cst): Declare.
7334 * tree.c (build_one_cst): New function.
7335 * tree-ssa-math-opts.c (get_constant_one): Remove.
7336 (insert_reciprocals): Use build_one_cst.
7337 * fold-const.c (fold_plusminus_mult): Likewise.
7339 2006-07-07 Roger Sayle <roger@eyesopen.com>
7341 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7342 * cfgloopanal.c (dump_graph): Likewise.
7343 * dojump.c (discard_pending_stack_adjust): Likewise.
7344 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7346 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7347 * function.c (finalize_block_changes): Likewise.
7348 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7349 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7350 * rtl.c (dump_rtx_statistics): Likewise.
7351 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7353 * varray.c (dump_varray_statistics): Likewise.
7354 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7355 decode_decimal64, encode_decimal128, decode_decimal128,
7356 decimal_real_to_decimal): Likewise.
7358 2006-07-07 Richard Guenther <rguenther@suse.de>
7360 PR tree-optimization/28187
7361 * tree-vrp.c (vrp_operand_equal_p): New function.
7362 (vrp_bitmap_equal_p): Likewise.
7363 (update_value_range): Use them to compare old and new
7366 2006-07-06 Roger Sayle <roger@eyesopen.com>
7368 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7369 a default case to switch statement to silence compiler warnings.
7371 2006-07-06 Roger Sayle <roger@eyesopen.com>
7374 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7375 the configured assembler supports the x87's ffreep mnemonic.
7376 * configure: Regenerate.
7377 * config.in: Regenerate.
7379 * config/i386/i386.c (output_387_ffreep): New function.
7380 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7381 (output_387_reg_move): Likewise.
7383 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7385 Port to hosts whose 'sort' and 'tail' implementations
7386 treat operands with leading '+' as file names, as POSIX
7387 has required since 2001. However, make sure the code still
7388 works on pre-POSIX hosts.
7389 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7390 which says you should use "tail -c +N" rather than "tail +Nc".
7391 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7393 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7395 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7398 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7401 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7402 PRE_{INC,DEC} of TFmode.
7404 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7405 Alan Modra <amodra@bigpond.net.au>
7408 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7411 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7414 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7415 Remove duplicate gtu.
7417 2006-07-05 Jason Merrill <jason@redhat.com>
7421 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7422 * c-common.c (handle_packed_attribute): So don't copy it here.
7423 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7425 2006-07-05 Mike Stump <mrs@apple.com>
7427 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7429 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7432 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7434 2006-07-05 Richard Guenther <rguenther@suse.de>
7437 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7438 TARGET_SSE2 targets if using SSE math.
7439 (*absdf2_1): Likewise.
7441 2006-07-05 Richard Guenther <rguenther@suse.de>
7443 PR tree-optimization/28162
7444 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7445 make sure to convert the operands to the correct type.
7447 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7449 PR tree-optimization/28218
7451 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7452 to calculate and free the dominator information.
7454 2006-07-04 Peter O'Gorman <peter@pogma.com>
7456 * mklibgcc.in: chmod 644 before ranlib during install.
7458 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7459 J"orn Rennecke <joern.rennecke@st.com>
7461 * configure.ac (.eh_frame data check): Use diff -b.
7463 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7466 * Makefile.in (BUILD_RTL): Add build/vec.o.
7467 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7468 (build/genextract): Delete.
7469 (build/genautomata): Likewise.
7471 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7474 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7475 128-bit IBM long doubles for ABI_V4.
7477 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7479 * tree.c (range_in_array_bounds_p): New predicate.
7480 * tree.h (range_in_array_bounds_p): Declare it.
7481 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7482 return a less conservative answer.
7483 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7484 and flag 'is_group'.
7485 (IS_ELEMENT_FOR_GROUP): New macro.
7486 (FOR_EACH_ACTUAL_CHILD): Likewise.
7487 (next_child_for_group): New helper function.
7488 (can_completely_scalarize_p): Take into account groups.
7489 (sra_hash_tree): Handle RANGE_EXPR.
7490 (sra_elt_eq): Likewise.
7491 (lookup_element): Be prepared for handling groups.
7492 (is_valid_const_index): Delete.
7493 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7494 instead of is_valid_const_index.
7495 <ARRAY_RANGE_REF>: New case.
7496 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7497 is_valid_const_index.
7498 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7499 (scan_dump): Dump info for groups too.
7500 (decide_instantiation_1): Likewise.
7501 (decide_block_copy): Assert that the element is not a group.
7502 Propagate decision to groups.
7503 (generate_one_element_ref): Handle RANGE_EXPR.
7504 (mark_no_warning): Iterate over actual childs.
7505 (generate_copy_inout): Likewise.
7506 (generate_element_copy): Likewise.
7507 (generate_element_zero): Likewise.
7508 (generate_element_init_1): Likewise.
7509 (dump_sra_elt_name): Handle RANGE_EXPR.
7511 2006-07-03 Roger Sayle <roger@eyesopen.com>
7513 PR tree-optimization/26251
7514 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7515 (thread_block): When optimizing for size refuse to thread jumps
7516 that would require duplication of blocks other than redirection
7519 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7521 * configure.ac: Fix thinko in previous check-in.
7522 * configure: Regenerate.
7524 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7527 * configure.ac (for lang...): Simplify nesting of conditionals.
7528 Test subdir_requires for non-enabled languages. Move processing
7529 of lang_opt_files and lang_tree_fiels below that test.
7530 * configure: Regenerate.
7531 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7533 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7535 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7537 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7539 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7542 2006-06-29 Jason Merrill <jason@redhat.com>
7549 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7550 * c-common.c (c_determine_visibility): Handle it here.
7551 * c-decl.c (finish_decl): Call c_determine_visibility for
7553 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7555 * varasm.c (default_assemble_visibility): Likewise.
7556 * c-common.c (handle_visibility_attribute): Complain about trying
7557 to give visibility to an already defined class, or trying to change
7558 declared visibility. Always attach the attribute.
7563 * attribs.c (decl_attributes): Ignore type-in-place attributes
7564 once the type has been defined.
7566 2006-06-29 Roger Sayle <roger@eyesopen.com>
7569 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7570 to indicate the cpplib has issued an error message for us.
7572 2006-06-29 Asher Langton <langton2@llnl.gov>
7575 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7576 insert a label at the end of an function under Mach-O.
7578 2006-06-29 Eric Christopher <echristo@apple.com>
7579 Evan Cheng <evan.cheng@apple.com>
7581 * predicates.md (vector_all_ones_operand): New.
7582 (nonimmediate_or_sse_const_operand): Ditto.
7583 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7584 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7585 (standard_sse_mode_p): Ditto.
7586 (standard_sse_constant_p): Add case for -1 vector.
7587 (ix86_expand_vector_move): Try to use.
7588 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7589 Call standard_sse_constant_opcode.
7590 (*movv4sf_internal): Ditto.
7591 (*movv2df_internal): Ditto.
7593 2006-06-29 Roger Sayle <roger@eyesopen.com>
7595 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7596 of XEXP to extract the operands of a MATCH_CODE rtx.
7598 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7600 * tree.c (tree_size): Do not waste tail padding in
7601 struct tree_string and make the size be the same as
7602 build_string will generate.
7604 2006-06-28 Jason Merrill <jason@redhat.com>
7607 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7608 may_aliases already in the tag's annotations to the bitmap.
7610 2006-06-28 Roger Sayle <roger@eyesopen.com>
7612 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7614 2006-06-28 Roger Sayle <roger@eyesopen.com>
7616 * genpreds.c (generate_switch_p): New function.
7617 (add_mode_tests): Push the new mode test down inside an AND expr
7618 if this allows the switch-suitable MATCH_CODE to be near the root.
7619 (write_match_code_switch): New function to write a MATCH_CODE as
7621 (write_predicate_stmts): New function to write a predicate RTX
7622 expression as a sequence of statements.
7623 (write_one_predicate_function): Use write_predicate_stmts.
7624 (write_tm_constrs_h): Likewise.
7626 2006-06-26 Fred Fish <fnf@specifix.com>
7628 * config/mips/t-sb1: New file.
7629 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7632 2006-06-26 DJ Delorie <dj@redhat.com>
7634 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7636 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7637 Jayant Sonar <jayants@kpitcummins.com>
7638 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7640 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7641 (subsi3, subsi3_1, subsi3_2): New.
7642 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7643 * config/m32c/mov.md (SI mov peephole): New.
7644 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7645 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7647 2006-06-26 Olivier Hainque <hainque@adacore.com>
7649 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7650 a CALL_EXPR target function declaration.
7652 2006-06-26 Richard Guenther <rguenther@suse.de>
7654 * tree.c (build_string): Do not waste tail padding in
7657 2006-06-26 Richard Guenther <rguenther@suse.de>
7659 * ggc-page.c (init_ggc): Add missing element to size_lookup
7663 2006-06-23 Richard Guenther <rguenther@suse.de>
7665 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7666 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7667 alignment requests instead. Add verification code.
7668 Add struct tree_function_decl and struct tree_binfo size to
7669 extra_order_size_table. Add missing element to size_lookup
7672 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7675 * fold-const.c (const_binop): Be prepared for self returning zero.
7676 Simplify code handling complex values.
7678 2006-06-24 Olivier Hainque <hainque@adacore.com>
7680 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7681 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7684 2006-06-24 Olivier Hainque <hainque@adacore.com>
7686 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7687 ARRAY_REF, so have the callback called for the low bound expression.
7689 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7691 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7692 * c-typeck.c (c_common_type): Disallow operations on decimal float
7693 types and other float types.
7694 * convert.c (convert_to_real): Don't ignore conversions involving
7695 decimal float types.
7697 2006-06-23 Olivier Hainque <hainque@adacore.com>
7699 * tree.c (max_int_size_in_bytes): New function, inspired from
7700 code in function.c:assign_temp.
7701 * tree.h (max_int_size_in_bytes): Declare.
7702 * function.c (assign_temp): Use it.
7703 * gimplify.c (create_tmp_var): Relax the assertions on the type
7704 properties, not mandating constant size any more.
7705 (force_constant_size): New static function.
7706 (gimple_add_tmp_var): Use it, forcing variable size to a
7707 constant upper bound if it is not constant on entry.
7709 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7712 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7713 for initialization and setting of one_only flag to ...
7714 (i386_pe_encode_section_info): ...here.
7715 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7716 Recheck that the symbol has not been defined.
7718 2006-06-23 Richard Guenther <rguenther@suse.de>
7720 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7721 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7722 alignment requests instead. Add verification code.
7723 Add struct tree_function_decl and struct tree_binfo size to
7724 extra_order_size_table. Add missing element to size_lookup
7727 2006-06-22 Roger Sayle <roger@eyesopen.com>
7728 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7731 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7732 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7734 2006-06-23 Ben Elliston <bje@au.ibm.com>
7736 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7737 negate dn -- manipulate it directly.
7739 2006-06-22 Roger Sayle <roger@eyesopen.com>
7740 Steven Bosscher <stevenb.gcc@gmail.com>
7743 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7744 generated by gen_move_insn to add REG_LABEL notes if necessary.
7746 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7748 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7749 (leaf_entry): Remove use of MIN_ESA.
7751 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7753 PR rtl-optimization/28121
7754 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7757 2006-06-21 DJ Delorie <dj@redhat.com>
7759 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7761 (mulhisi3_r): Likewise.
7763 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7766 * coverage.c (coverage_counter_alloc): Leave the index type
7768 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7771 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7773 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7774 section from the "Options for Code Generation Conventions".
7776 2006-06-21 Richard Henderson <rth@redhat.com>
7780 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7782 (global_symbolic_operand): Allow weak symbols, even if local_p.
7784 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7786 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7787 (find_interesting_uses_address): Punt if above function returns true.
7789 2006-06-21 Richard Guenther <rguenther@suse.de>
7791 * configure: Regenerated.
7793 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7795 * config/mips/mips.c (function_arg): Where one part of a
7796 complex argument is in registers and the other part in the stack,
7797 return a REG not a PARALLEL.
7799 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7801 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7802 when cross-compiling. Do not substitute libstdcxx_incdir.
7803 * configure: Regenerated.
7805 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7807 * varasm.c (mergeable_string_section): Check for embedded NULs and
7808 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7809 rather than TREE_STRING_LENGTH bytes.
7811 2006-06-21 Richard Guenther <rguenther@suse.de>
7813 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7814 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7817 2006-06-21 Richrad Guenther <rguenther@suse.de>
7819 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7820 Limit iteration over the dominators.
7822 2006-06-20 Roger Sayle <roger@eyesopen.com>
7824 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7825 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7827 2006-06-20 Richard Guenther <rguenther@suse.de>
7828 Michael Matz <matz@suse.de>
7830 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7832 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7833 * et-forest.h (et_free_pools): Prototype new function.
7834 * et-forest.c (et_free_tree_force): Free parent occurrence.
7835 (et_free_pools): New function.
7836 * dominance.c (free_dominance_info): Free et-forest alloc
7839 2006-06-20 Roger Sayle <roger@eyesopen.com>
7841 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7842 integer modes, attempt to directly construct an integer constant.
7844 * fold-const.c (native_encode_vector): Determine the size of each
7845 element from the vector type instead of the first vector element.
7847 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7848 if all of its elements/components are constant.
7849 (build_constructor_from_list): Likewise.
7851 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7853 PR tree-optimization/27331
7854 * tree-data-ref.c (free_data_ref): New function.
7855 (create_data_ref): Fail if the data reference has unknown access
7857 (free_data_refs): Use free_data_ref.
7859 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7862 * tree-inline.c (setup_one_parameter): Strip useless
7863 type conversion before adding it to the IR.
7864 (declare_return_variable): Likewise.
7866 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7869 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7871 2006-06-19 Mike Stump <mrs@apple.com>
7873 * tree.c (variably_modified_type_p): VM arguments don't make the
7876 2006-06-19 Richard Guenther <rguenther@suse.de>
7878 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7879 type conversions after folding.
7881 2006-06-19 Richard Guenther <rguenther@suse.de>
7883 * ggc-page.c (extra_order_size_tab): Add entries with
7884 size of struct function and basic_block.
7885 (size_lookup): Extend to cover sizes up to 511.
7886 (ggc_alloc_stat): Adjust user.
7887 (ggc_pch_count_object): Likewise.
7888 (ggc_pch_alloc_object): Likewise.
7889 (ggc_pch_write_object): Likewise.
7891 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7893 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7894 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7897 2006-06-19 Denis Chertykov <denisc@overta.ru>
7899 * config/avr/libgcc.S : Correct my wrong previous commit.
7901 2006-06-19 Roger Sayle <roger@eyesopen.com>
7904 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7905 have stripped a SUBREG from the shift count, so we may need to
7906 convert_to_mode back to the type's mode before calling make_tree.
7907 Use new_amount instead of amount to avoid expanding a tree twice.
7909 2006-06-19 Richard Guenther <rguenther@suse.de>
7912 * fold-const.c (operand_equal_p): Check if the argument types
7913 have the same precision before stripping NOPs.
7915 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7917 Fix PR tree-optimization/27341
7918 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7920 * tree-complex.c (pass_lower_complex): Update SMT usage.
7922 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7924 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7925 Add a new alternative to the constraint strings. Add move of
7926 operand 1 to 3 to the splitter definition.
7927 ("doloop_si_long"): Second contraint alternative removed.
7929 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7931 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7932 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7934 (AVR_HAVE_MOVW) Define.
7935 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7936 (ASM_SPEC): Add avr25.
7937 (LINK_SPEC): Add avr25.
7938 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7939 (base_arch_s): Add new member 'have_movw_lpmx'.
7940 (avr_arch_types): Init 'have_movw_lpmx'.
7941 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7942 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7943 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7944 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7945 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7947 (avr_file_start): Do not output '.arh' derective.
7948 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7949 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7950 * config/avr/avr.md (mcu_enhanced): Delete.
7951 (mcu_have_movw): Define.
7952 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7953 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7954 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7955 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7956 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7957 attiny861 and at86rf401 devices.
7959 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7961 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7964 2006-06-17 Karl Berry <karl@gnu.org>
7966 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7967 doc/gccint.texi, doc/install.texi (@dircategory): Use
7968 "Software development" instead of "Programming", following
7969 the Free Software Directory.
7971 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7973 * config/i386/i386.c (legitimate_tls_address)
7974 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7975 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7976 (*tls_dynamic_gnu2_combine_64): Likewise.
7978 2006-06-16 Richard Guenther <rguenther@suse.de>
7981 * fold-const.c (negate_expr_p): Do not introduce undefined
7982 overflow in negating INTEGER_CSTs.
7983 (fold_negate_expr): Rename from negate_expr. Revert last
7984 change for folding BIT_NOT_EXPR. Change semantics to
7985 return NULL_TREE for non-simplified negations. Do not
7986 strip type conversions and unify type handling.
7987 (negate_expr): New function, wrap around fold_negate_expr
7988 but ensure building a tree always. Strip type conversions
7989 here, fold to result type.
7990 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7992 2006-06-16 Roger Sayle <roger@eyesopen.com>
7995 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7996 that (would) return their results in stack registers.
7998 2006-06-16 Michael Matz <matz@suse.de>
7999 Richard Guenther <rguenther@suse.de>
8001 * fold-const.c (fold_truthop): Only return new tree node if
8002 we canonicalized something.
8004 2006-06-16 Richard Guenther <rguenther@suse.de>
8006 * function.h (enum function_frequency): Move declaration
8007 out of struct function.
8008 (struct function): Move bool fields and the enum to the bitfield
8009 section. Reorder elements to avoid padding. Remove unused
8010 fields left over from the RTL inliner removal.
8011 * function.c (free_after_compilation): Do not zero removed fields.
8012 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
8013 (ipa-type-escape.o): Likewise.
8015 2006-06-16 Richard Guenther <rguenther@suse.de>
8017 * cgraph.h (struct cgraph_local_info): Turn bool elements
8019 (struct cgraph_node): Likewise.
8020 (struct cgraph_varpool_node): Likewise.
8022 2006-06-15 Richard Guenther <rguenther@suse.de>
8024 * fold-const.c (fold_truth_not_expr): Rename from
8025 invert_truthvalue. Give it fold_* semantics to avoid
8027 (invert_truthvalue): New function. Wrapper around
8028 fold_truth_not_expr.
8029 (optimize_minmax_comparison): Avoid creating garbage.
8030 (fold_unary): Use fold_truth_not_expr for folding
8032 (fold_ternary): Replace uses of invert_truthvalue with
8033 fold_truth_not_expr where applicable.
8034 * tree.h (fold_truth_not_expr): Prototype.
8036 2006-06-16 Richard Guenther <rguenther@suse.de>
8038 PR tree-optimization/27781
8039 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
8040 * ipa-pure-const.c (target.h): Include.
8041 (analyze_function): Do not analyze functions that do not
8044 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
8047 * tree-dfa.c (referenced_vars_dup_list): Remove.
8048 (find_referenced_vars): Remove assert.
8049 (referenced_var_check_and_insert): Replace dup list with assert.
8050 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
8051 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
8053 2006-06-15 Richard Guenther <rguenther@suse.de>
8055 * tree-ssa-structalias.c (alias_get_name): Avoid creating
8056 extra unused identifiers if not dumping.
8057 (create_variable_info_for): Likewise.
8059 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
8061 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
8062 (derive_constant_upper_bound): Derive more precise upper bound in
8063 common cases. Return type changed to double_int.
8064 (record_estimate): Reflect the changed return type of
8065 derive_constant_upper_bound.
8066 * double-int.c (double_int_zext, double_int_sext): Fix.
8068 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
8070 * configure.ac (CFLAGS): Get them from the toplevel or from the
8071 configure invocation.
8072 * configure: Regenerate.
8073 * Makefile.in (CFLAGS): Substitute value provided by configure.
8075 2006-06-14 Mark Mitchell <mark@codesourcery.com>
8078 * c-common.h (c_finish_omp_atomic): Adjust declaration.
8079 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
8080 rather than calling add_stmt on it.
8081 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
8083 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
8086 * reload1.c (reload): Remove registers returned by update_eliminables
8087 from used_spill_regs.
8089 2006-06-13 DJ Delorie <dj@redhat.com>
8091 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
8093 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
8095 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
8096 html__strip_dir, html__mkdir_p. Enhance install-html target.
8097 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
8098 * configure: Regenerate.
8100 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
8102 * fold-const.c (fold_cond_expr_with_comparison): Check for
8103 Objective-C++ as language in deciding COND_EXPR transformation.
8105 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
8108 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
8109 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
8110 * config/sh/lib1funcs.h (SL, SL1): Define.
8111 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
8112 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
8113 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
8114 (OBJS_Os_4_200): New variable.
8115 ($(T)libgcc-Os-4-200.a): Use it.
8116 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
8117 when dividing 1 and/or by 0.
8119 2006-06-13 Roger Sayle <roger@eyesopen.com>
8121 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
8122 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
8123 * configure: Regenerate.
8125 2006-06-13 Jie Zhang <jie.zhang@analog.com>
8127 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
8128 for real instruction.
8130 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8133 * haifa-sched.c (check_cfg): Handle special case.
8135 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
8138 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
8139 Add debug_info parameter. Chain the vars to the BLOCK instead
8140 of the BIND_EXPR if debug info are requested for them.
8141 (pop_gimplify_context): Adjust for above change.
8142 (gimple_add_tmp_var): Likewise.
8143 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
8145 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
8146 (convert_local_reference): Likewise.
8147 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
8148 (finalize_nesting_tree_1): Request that debug info be emitted
8149 for debug_var_chain.
8151 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8153 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
8154 for PR target/27863.
8156 2006-06-13 Richard Guenther <rguenther@suse.de>
8159 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
8161 2006-06-13 Richard Guenther <rguenther@suse.de>
8163 PR tree-optimization/27830
8164 * tree-inline.c (copy_body_r): For copying the operand
8165 of an ADDR_EXPR make sure to fold &* afterwards.
8167 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8169 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8170 lvalues in the fb_none case with side-effects.
8172 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8174 * tree-flow.h: Remove the prototype for
8175 compute_phi_arg_on_exit.
8176 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8177 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8180 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8182 * builtins.c (expand_builtin_return_addr): Only use
8183 frame_pointer_rtx when count == 0 and we are expanding
8184 __builtin_return_address.
8186 2006-06-12 Fred Fish <fnf@specifix.com>
8188 * config/mips/mips.c (mips_file_start): Create special section
8189 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8191 2006-06-11 Eric Christopher <echristo@apple.com>
8194 * stor-layout.c (place_field): Remove check for
8195 remaining_in_alignment when aligning at the end of a run.
8197 2006-06-11 Eric Christopher <echristo@apple.com>
8200 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8203 2006-06-11 Roger Sayle <roger@eyesopen.com>
8206 Revert incorrect fix for PR target/27158
8207 2006-05-08 Roger Sayle <roger@eyesopen.com>
8208 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8209 of a reg_equiv_constant if the result is a legitimate constant.
8211 2006-06-11 Roger Sayle <roger@eyesopen.com>
8214 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8215 extract a CONST_VECTOR element and interpret it as an integer.
8216 (vspltis_constant): Use const_vector_elt_as_int instead of the
8217 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8218 * config/rs6000/predicates.md (easy_vector_const): Consider
8219 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8221 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8224 * stor-layout.c (update_alignment_for_field): Don't add extra
8225 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8228 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8230 * config/mips/t-rtems: Add EL/EB multilib variants.
8232 2006-06-09 Mike Stump <mrs@apple.com>
8234 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8236 2006-06-09 David Daney <ddaney@avtrex.com>
8238 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8240 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8242 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8244 2006-06-09 Richard Guenther <rguenther@suse.de>
8246 PR tree-optimization/26998
8247 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8248 of signed types, only TYPE_MIN_VALUE is special, but for both,
8249 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8250 in this case, as is -fwrapv.
8252 2006-06-08 Mike Stump <mrs@apple.com>
8255 * config/darwin.c (darwin_asm_output_anchor): Disable
8256 -fsection-anchors on darwin for now.
8257 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8258 * rs6000/rs6000.c (optimization_options): Likewise.
8260 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8263 * config/i386/i386.c (classify_argument): Skip fields with invalid
8266 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8268 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8269 (cse_insn): Likewise for the stack_pointer_rtx.
8271 2006-06-08 Roger Sayle <roger@eyesopen.com>
8273 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8274 conditions from floating point comparisons.
8276 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8279 * expmed.c (struct alg_hash_entry): Fix type of field T
8280 to match synth_mult argument.
8281 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8283 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8286 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8289 2006-06-08 Richard Guenther <rguenther@suse.de>
8292 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8293 only, if overflow is defined and not trapping.
8294 (negate_expr): Likewise.
8296 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8298 PR tree-optimization/27872
8299 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8300 flag on the new exit edge of the unrolled loop.
8302 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8304 PR rtl-optimization/26449
8305 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8307 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8310 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8311 referenced_variables with matching DECL_UID's.
8312 (find_referenced_vars): Make sure duplicate list is empty to start.
8313 (referenced_var_p): Remove.
8314 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8315 Check if var is in the list, and add if needed. Update the duplicate
8316 list if a different var is in the list with the same DECL_UID.
8317 (add_referenced_var): Call routine to check and insert.
8318 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8319 * tree-flow.h (referenced_vars_dup_list): External declaration.
8321 2006-06-07 Fred Fish <fnf@specifix.com>
8323 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8326 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8329 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8330 the imaginary and real parts of a clobbered register.
8331 Emit insn to set the imaginary part.
8333 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8335 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8336 in lieu of unwind-dw2-fde.c.
8338 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8340 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8342 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8345 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8346 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8347 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8348 V4SImode temporaries and operations instead.
8350 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8352 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8355 2006-06-06 Mike Stump <mrs@apple.com>
8357 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8358 installing during build.
8360 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8362 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8364 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8365 * config/ia64/ia64.c (params.h): New header.
8366 (ia64_optimization_options): New function to adjust parameters.
8367 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8368 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8369 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8371 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8373 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8375 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8378 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8380 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8381 Victor Kaplansky <victork@il.ibm.com>
8383 PR tree-optimization/26360
8384 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8387 2006-06-04 Roger Sayle <roger@eyesopen.com>
8388 Andrew Pinski <pinskia@physics.uc.edu>
8391 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8392 for LABEL_DECL before calling DECL_WEAK.
8395 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8396 LABEL_DECL and PARM_DECL.
8398 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8402 * c-decl.c (grokdeclarator): Disallow variably modified types at
8403 file scope. Avoid marking shared array type of constant size as
8406 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8409 * c-common.c (fold_offsetof_1): Handle static members.
8411 2006-06-04 Eric Christopher <echristo@apple.com>
8413 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8414 (debug_rli): Output value for remaining_in_alignment.
8415 (update_alignment_for_field): Unconditionalize
8416 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8417 extra alignment code.
8418 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8419 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8420 * tree.h (record_layout_info_s): Remove prev_packed.
8421 * doc/extend.texi (ms_struct): Add documentation of format.
8423 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8425 * tree.h: Declare folding_initializer.
8426 * builtins.c (fold_builtin_constant_p): Give definite answer
8427 if folding inside an initializer.
8428 * fold-const.c: Define folding_initializer.
8429 (START_FOLD_INIT): Save and then set folding_initializer.
8430 (END_FOLD_INIT): Restore folding_initializer.
8432 2006-06-04 Richard Guenther <rguenther@suse.de>
8434 PR tree-optimization/27039
8435 * fold-const.c (fold_comparison): Handle pointer comparison
8436 again for all comparison codes. Compare offsets in signed
8438 (fold_binary): Move code from here.
8440 2006-06-03 Roger Sayle <roger@eyesopen.com>
8443 * config/i386/i386.c (construct_container): Split static issued_error
8444 flag into issued_sse_arg_error, issued_sse_ret_error and
8445 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8446 requires the use of x87 registers and the user explicitly
8447 specified the -mno-80387 command line option.
8449 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8451 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8452 HAVE_DECL_SIGALTSTACK.
8454 (segv_handler): Use MC_FLD.
8455 * configure.ac: Check for a sigaltstack declaration.
8456 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8457 * configure: Regenerate.
8458 * config.in: Regenerate.
8460 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8463 * Makefile.in (stmp-fixinc): Fix typo.
8465 2006-06-02 Roger Sayle <roger@eyesopen.com>
8467 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8468 are type correct. Clean-up.
8469 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8470 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8472 2006-06-01 DJ Delorie <dj@redhat.com>
8474 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8475 shift, as we've disabled the "switch" insn that needs it.
8477 2006-06-01 Per Bothner <bothner@bothner.com>
8479 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8480 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8481 * c-ppoutput.c (cb_define): Don't increment line 0.
8483 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8485 * doc/invoke.texi: Add cpu_type power6.
8486 * config.gcc: Add cpu_type power6.
8487 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8488 to power5+ with Altivec.
8489 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8490 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8492 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8494 * config/avr/avr.h (SET_ASM_OP): Define.
8496 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8498 * config/bfin/bfin.c: Fix comment typos.
8500 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8503 * doc/install.texi: Document --enable-bootstrap and
8504 --disable-bootstrap.
8506 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8508 * doc/install.texi: Document that InfoZIP can replace jar.
8510 2006-05-31 Roger Sayle <roger@eyesopen.com>
8512 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8513 isn't available, directly generate the simpler x87 patterns without
8514 the (use (const_int 0)).
8515 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8516 implementation isn't available.
8517 (*negdf2_1): Likewise.
8518 (*negxf2_1): XF mode negation is always done using the x87.
8519 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8521 2006-05-31 Roger Sayle <roger@eyesopen.com>
8523 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8524 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8526 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8528 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8530 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8531 * config/bfin/bfin.c (basic-block.h): Include.
8532 (struct machine_function): New.
8533 (bfin_init_machine_status): New.
8534 (override_options): Initialize init_machine_status.
8535 (bfin_hardware_loop): New.
8536 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8537 (DEF_VEC_P (loop_info)): New.
8538 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8539 (struct loop_info): New.
8540 (loop_info): New typedef.
8541 (struct loop_work): New.
8542 (loop_work): New typedef.
8543 (DEF_VEC_O (loop_work)): New.
8544 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8545 (bfin_dump_loops): New.
8546 (bfin_bb_in_loop): New.
8547 (bfin_scan_loop): New.
8548 (bfin_optimize_loop): New.
8549 (bfin_reorg_loops): New.
8550 (bfin_reorg): Use bfin_reorg_loops.
8551 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8553 (I_REGNO_P): Simplify.
8554 (DP_REGNO_P, DPREG_P): New macros.
8555 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8556 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8557 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8558 Add LT_REGS, LC_REGS, LB_REGS.
8559 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8561 (REGNO_REG_CLASS): Deal with loop registers.
8562 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8564 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8565 New constants for loop registers.
8566 (UNSPEC_LSETUP_END): New.
8567 (seq_insns): New define_attr. Set it for appropriate insns.
8568 (movsi_insn): Add alternatives for move from/to
8569 loop count registers.
8570 (doloop_end): New define_expand.
8571 (loop_end): New define_insn.
8572 (define_split for bad doloop_end): New.
8573 (lsetup_with_autoinit): New define_insn.
8574 (lsetup_without_autoinit): New define_insn.
8575 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8576 * config/bfin/predicates.md (lc_register_operand): New.
8577 (lt_register_operand): New.
8578 (lb_register_operand): New.
8579 (nondp_register_operand): New.
8580 (nondp_reg_or_memory_operand): New.
8581 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8583 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8585 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8586 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8588 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8590 * Makefile.in (CATALOGS): Add po/ prefix.
8591 * configure: Regenerated.
8593 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8596 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8597 a shift operand before calling shift_op. Avoid redundant call of
8600 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8601 DJ Delorie <dj@redhat.com>
8603 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8604 we're inserting is a singlt-bit constant.
8606 2006-05-30 Roger Sayle <roger@eyesopen.com>
8608 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8609 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8611 2006-05-30 Roger Sayle <roger@eyesopen.com>
8613 PR tree-optimization/23452
8614 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8615 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8616 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8617 complex values and with -ffast-math for FP complex values.
8619 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8621 * c-common.h: Remove the prototype for yyparse.
8622 * rtl.h: Remove the prototype for init_loop.
8624 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8626 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8629 2006-05-30 Roger Sayle <roger@eyesopen.com>
8631 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8633 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8634 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8636 2006-05-30 Dirk Mueller <dmueller@suse.de>
8639 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8640 for CONSTANT_CLASS_P expresisons.
8642 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8645 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8647 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8649 PR tree-optimization/27779
8650 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8651 initial_condition instead of CHREC_LEFT.
8653 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8655 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8656 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8657 Make prototypes ISO C90.
8659 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8660 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8662 * see.c (see_analyze_one_def): Correct check.
8663 (see_get_extension_data): Check if extension is parallel.
8664 (see_get_extension_reg): Likewise.
8666 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8669 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8670 into register for (code == GTU).
8672 2006-05-29 Roger Sayle <roger@eyesopen.com>
8674 PR tree-optimization/24964
8675 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8676 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8677 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8678 abs(x)*abs(x) as x*x for scalar floating point modes.
8680 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8683 * lambda-code.c (perfect_nestify): Don't copy statements
8684 in the inner loop: move them to the inner loop header.
8686 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8689 * c-tree.texi: Document OpenMP directives and clauses.
8691 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8693 * varasm.c (globalize_decl): Fix indentation.
8695 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8698 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8699 pass_fre, pass_store_ccp, pass_copy_prop,
8700 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8701 pass_return_slot, pass_object_size, pass_lim,
8702 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8703 pass_loop_prefetch and pass_stdarg.
8705 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8707 * config/bfin/bfin.opt (mfdpic): New option.
8708 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8709 (EXTRA_MULTILIB_PARTS): Likewise.
8710 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8711 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8713 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8714 (CRT_CALL_STATIC_FUNCTION): New.
8715 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8717 (CRT_CALL_STATIC_FUNCTION): New.
8718 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8720 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8721 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8722 (initialize_trampoline): Changed to handle FD-PIC code generation.
8723 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8724 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8725 (override_options): Disallow -mid-shared-library -mfdpic combination.
8726 Can't do unaligned ops if FD-PIC.
8727 Turn off flag_pic if trying to generate non-id-shared-library
8728 non-fdpic code, since it's not supported.
8729 (bfin_assemble_integer): New function.
8730 (TARGET_ASM_INTEGER): Define.
8731 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8733 * config/bfin/crtn.s: Restore them.
8734 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8736 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8737 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8738 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8739 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8740 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8742 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8743 FDPIC_REGS and FDPIC_FPTR_REGS.
8744 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8745 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8746 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8747 (load_funcdescsi): New pattern.
8748 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8749 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8750 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8752 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8754 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8757 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8759 * tree-flow.h: Remove the prototype for add_type_alias.
8760 * tree-ssa-alias.c (add_type_alias): Remove.
8762 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8764 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8765 config/fr30/fr30.md, config/i386/i386-interix.h,
8766 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8767 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8768 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8769 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8770 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8771 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8772 Follow spelling conventions.
8773 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8774 Follow spelling conventions.
8776 2006-05-27 Richard Guenther <rguenther@suse.de>
8779 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8780 to produce a constant of value 1 of generic type.
8782 2006-05-27 Dirk Mueller <dmueller@suse.de>
8784 * cgraphunit.c (decide_is_function_needed): Fix wrong
8787 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8789 PR rtl-optimization/27661
8790 * reload.c (find_reloads): When reloading a VOIDmode constant
8791 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8792 use Pmode as mode of the reload register.
8794 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8796 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8797 is enabled at -O and above.
8799 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8802 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8805 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8808 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8809 for anonymous variables explicitly declared by front ends.
8811 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8813 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8814 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8815 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8816 ref-all pointers, run a finalization pass for them.
8817 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8818 (finalize_ref_all_pointers): New function.
8819 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8820 regular pointer type to a ref-all pointer type.
8821 (get_tmt_for): Return the special memory tag for ref-all pointers.
8823 2006-05-25 Richard Guenther <rguenther@suse.de>
8826 * fold-const.c (fold_binary): Do not look at the stripped
8827 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8829 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8831 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8832 for LT and GT if the computed range is effectively empty.
8834 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8837 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8838 mips_quad_format formats instead of ieee_single_format,
8839 ieee_double_format and ieee_quad_format formats, respectively.
8841 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8843 PR tree-optimization/27639
8844 PR tree-optimization/26719
8845 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8846 call to scev_probably_wraps_p.
8847 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8848 used_in_pointer_arithmetic_p, convert_step): Removed.
8849 (nowrap_type_p): New function.
8850 (scev_probably_wraps_p): Rewritten.
8851 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8852 chrec_convert if chrec_convert_aggressive might have been used.
8853 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8854 scev_direction): New functions.
8855 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8856 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8857 instead of convert_step.
8858 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8859 (convert_step): Declaration removed.
8860 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8862 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8864 * df-core.c: Added to header comments.
8865 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8866 df_ur_bb_info, df_urec_bb_info): Added comments.
8867 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8868 urec, ri problems): Fixed header comments.
8869 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8870 code from df_rd_transfer_function.
8872 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8874 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8875 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8876 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8878 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8880 * expr.c (undefined_operand_subword_p): New.
8881 (emit_move_multi_word): Do not generate move from undefined bits
8882 of a paradoxical subreg.
8884 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8886 PR rtl-optimization/27736
8887 * combine.c (replaced_rhs_value): New variable.
8888 (combine_instructions): Set it.
8889 (distribute_notes): When distributing a note in replaced_rhs_insn,
8890 check whether the value was used in replaced_rhs_value.
8892 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8895 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8896 add_referenced_var instead of add_referenced_tmp_var.
8897 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8898 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8900 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8901 tree_optimize_tail_calls_1): Use add_referenced_var.
8902 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8903 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8904 Use add_referenced_var.
8905 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8906 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8907 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8908 Use add_referenced_var.
8909 * tree-dfa.c (struct walk_state): Remove.
8910 (find_referenced_vars): Remove walk state and vars_found hash table.
8911 (make_rename_temp): Use add_referenced_var.
8912 (find_vars_r): Pass less parameters to add_referenced_var.
8913 (referenced_var_p): New. Is var in referenced_var hash table.
8914 (referenced_var_insert): Assert var isn't already in hash table.
8915 (add_referenced_var): Don't need walk_state parameter. Add var if it
8916 isn't already in the hash table.
8917 (add_referenced_tmp_var): Remove.
8918 (find_new_referenced_vars_1): Use add_referenced_var.
8919 * tree-ssa-pre.c (create_expression_by_pieces,
8920 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8921 Use add_referenced_var.
8922 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8923 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8924 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8926 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8927 vect_create_data_ref_ptr, vect_create_destination_var,
8928 vect_init_vector, vect_build_loop_niters,
8929 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8930 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8931 Use add_referenced_var.
8932 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8933 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8934 (add_referenced_var): Add prototype.
8935 * tree-ssa-structalias.c (get_constraint_for,
8936 intra_create_variable_infos): Use add_referenced_var.
8938 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8940 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8941 big-endian paradoxical subregs.
8942 * var-tracking.c (struct micro_operation_def): Document that,
8943 for modify micro operations, insn is the subsequent instruction.
8944 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8945 (var_reg_set, var_mem_set): ... new functions.
8946 (add_stores): Record subsequent insn.
8947 (compute_bb_dataflow): Use new functions for MO_USE.
8948 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8949 notes after the insn, and modify notes before the insn known
8950 to be the subsequent one.
8951 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8953 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8956 * config/i386/i386.c (ix86_expand_builtin): Use
8957 gen_sse3_monitor64 for TARGET_64BIT.
8959 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8961 PR rtl-optimization/26375
8962 PR rtl-optimization/26855
8963 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8965 (df_ru_bb_local_compute): Reversed statements and removed bogus
8966 comment explaining why they should be in wrong order.
8967 (df_ru_dump, df_rd_dump): Enhanced debug info.
8968 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8970 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8971 reaching uses and fixed space problem.
8973 2006-05-23 Jan Hubicka <jh@suse.cz>
8975 * cgraphunit.c (decide_is_function_needed): Also nested functions
8976 and functions declared inline can be optimized out at -O0.
8978 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8980 * doc/install.texi (Configuration): Remove reference to CrossGCC
8984 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8987 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8988 ix86_compare_emitted is non-NULL.
8990 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8993 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8996 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8998 PR rtl-optimization/25514
8999 * combine.c (replaced_rhs_insn): New variable.
9000 (combine_instructions): Set replaced_rhs_insn when trying to replace
9001 a SET_SRC with a REG_EQUAL note.
9002 (distribute_notes): Use replaced_rhs_insn when determining the live
9003 range of a REG_DEAD register.
9005 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
9006 Anatoly Sokolov <aesok@post.ru>
9008 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
9009 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
9010 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
9011 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
9012 atmega3290, atmega649, atmega6490, atmega406, atmega640,
9013 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
9014 at90usb647, at90usb1286 and at90usb1287 devices.
9015 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
9016 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
9018 2006-05-22 Richard Sandiford <richard@codesourcery.com>
9020 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
9022 2006-05-22 Richard Guenther <rguenther@suse.de>
9025 2006-01-31 Richard Guenther <rguenther@suse.de>
9026 Paolo Bonzini <bonzini@gnu.org>
9028 * doc/install.texi (--disable-libgcc-math): Document.
9030 2006-05-22 Richard Guenther <rguenther@suse.de>
9033 2006-01-31 Richard Guenther <rguenther@suse.de>
9035 * doc/invoke.texi (-msselibm): Document.
9036 * target.h (expand_library_builtin): New target hook.
9037 * builtins.c (expand_builtin): Use expand_library_builtin.
9038 (default_expand_library_builtin): New function.
9039 * gcc.c (LINK_GCC_MATH_SPEC): Define.
9040 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
9041 (link_gcc_math_spec): Declare.
9042 (static_specs): Add link_gcc_math_spec.
9043 * expr.h (default_expand_library_builtin): Declare.
9044 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9045 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
9046 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
9047 * config/i386/i386.opt (msselibm): New target option.
9048 * config/i386/i386.c (ix86_builtin_function_variants): New array.
9049 (ix86_init_sse_abi_builtins): New function.
9050 (ix86_expand_library_builtin): Likewise.
9051 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
9052 (override_options): Handle error conditions wrt -msselibm.
9053 (ix86_builtins): Add function codes for SSE2 ABI builtins.
9054 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
9055 * doc/extend.texi (__builtin_sse2_*): Document new target specific
9058 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9061 * c-common.c (self_promoting_args_p): Skip erroneous args.
9064 * c-decl.c (finish_struct): Skip erroneous fields.
9066 2006-05-22 Nick Clifton <nickc@redhat.com>
9068 * config/cris/cris.opt (march): Remove VarExists attribute.
9069 (max-stackframe=): Likewise.
9071 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
9073 * doc/rtl.texi: Fix a typo.
9074 * see.c: Fix comment typos.
9076 * tree-ssa-structalias.h (alias_info): Remove num_references.
9078 2006-05-21 Mike Stump <mrs@apple.com>
9080 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
9082 (darwin_pragma_options): Use BAD instead.
9083 (darwin_pragma_unused): Likewise.
9084 (darwin_pragma_ms_struct): Likewise.
9086 2006-05-21 David Edelsohn <edelsohn@gnu.org>
9088 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
9090 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
9092 PR rtl-optimization/27671
9093 * simplify-rtx.c (simplify_relational_operation_1): Fix
9094 simplifications of (eq/ne (xor x y) y) and
9095 (eq/ne (xor x y) x).
9097 PR tree-optimization/26622.
9098 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
9101 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9103 * tree-cfg.c: Prune whitespace.
9104 (debug_tree_cfg): Point to correct header containing the
9107 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
9110 * cgraphunit.c (verify_cgraph_node): Typo in error message.
9112 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
9115 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
9116 or sorry count is non zero.
9118 2006-05-20 Andreas Schwab <schwab@suse.de>
9120 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
9122 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
9123 Kenneth Zadeck <zadeck@naturalbridge.com>
9125 PR rtl-optimization/26855
9127 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
9129 (df_scan_alloc): Added code to properly handle multiword hard
9130 registers and add all_blocks parameter.
9131 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
9132 code to properly handle multiword hard registers.
9133 (df_rescan_blocks): Added code to remove deleted blocks from
9135 (df_ref_create_structure, df_ref_record): Added code to properly
9137 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
9138 and set DF_REF_PARTIAL.
9139 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
9140 (df_uses_record): Added DF_REF_PARTIAL for subreg.
9141 (df_scan_add_problem): Added flags parameter.
9142 (df_ref_create_structure): Changed switching structure.
9143 (df_bb_refs_record): Fixed case where duplicate artificial refs
9144 were created. Changed location of flags.
9145 (df_record_entry_block_defs): Added code to make stack pointer
9146 live in entry block. Refined cases where frame pointer is needed.
9147 Changed location of flags.
9148 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
9149 (df_set_state): Removed function.
9150 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
9151 df_insn_create_insn_record, df_insn_refs_delete,
9152 df_ref_create_structure): Formatting changes.
9153 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
9154 df_delete_basic_block): New function.
9155 (df_init): Changed location of flags.
9156 (df_add_problem): Added flags parameter and the way flags are
9158 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
9159 debug_df_chain): Improved debugging output.
9160 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
9161 (df_refs_chain_dump): Removed df parameter.
9162 (df_iterative_dataflow): Added consistency check.
9163 (df_prune_to_subcfg): Made public.
9164 (df_analyze_problem): Added blocks_to_init parameter and made
9166 (df_ref_record, df_bb_refs_record, df_mark_reg,
9167 df_record_exit_block_uses): Whitespace changes.
9168 (df_dump): Whitespace changes.
9169 * df.h: Some reordering to remove forward references.
9170 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9171 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9172 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9173 (dataflow.flags): New field.
9174 (df.flag): Deleted field.
9175 (df_alloc_function): Added additional bitmap parameter.
9176 (df_dependent_problem_function): New type.
9177 (df_problem.changeable_flags): New field.
9178 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9179 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9180 (df_mw_hardreg): New struct.
9181 (DF_INSN_UID_MWS): New macro.
9182 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9184 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9185 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9186 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9187 (df_set_state): Removed function.
9188 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9189 * df-problems.c (df_chain_dump): Removed df parameter.
9190 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9191 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9193 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9194 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9195 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9196 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9197 DF_REF_MUST_CLOBBER cases.
9198 (df_ru_bb_local_compute_process_def,
9199 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9200 df_lr_bb_local_compute, df_ur_bb_local_compute,
9201 df_chain_create_bb): Made subreg aware.
9202 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9203 df_lr_bb_local_compute, df_lr_bb_local_compute,
9204 df_chain_create_bb): Cleanup to use proper macros.
9205 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9206 code to fixup bitvectors.
9207 (df_ri_alloc): Cleared lifetime.
9208 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9209 df_create_unused_note): New function.
9210 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9211 REG_DEAD and REG_UNUSED notes as well as register information.
9212 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9213 df_chains_dump): Fixed crash if problem was never run.
9214 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9215 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9216 df_ri_add_problem): Processes flags in uniform manner.
9217 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9218 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9219 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9220 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9221 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9222 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9223 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9224 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9225 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9226 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9227 * see.c (see_initialize_data): Ditto.
9228 * final.c (rest_of_clean_state) Added regstack_completed.
9229 * rtl.h (regstack_completed): Ditto.
9230 * reg-stack.c (regstack_completed): Ditto.
9232 2006-05-19 Mike Stump <mrs@apple.com>
9234 * c-tree.h (default_conversion): Remove.
9235 * c-common.h (default_conversion): Add.
9237 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9239 * tree-vrp.c (valid_value_p): New function.
9240 (adjust_range_with_scev): Fail if the value of bound is not
9243 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9245 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9246 (mips_fallback_frame_state): Use syscall numbers to determine
9247 the appropriate li instruction for the current ABI. Only use
9248 __NR_sigreturn for o32.
9250 2006-05-19 Nicolas Setton <setton@adacore.com>
9252 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9253 * langhooks.c (lhd_dwarf_name): New function.
9254 * langhooks-def.h (lhd_dwarf_name): Declare.
9255 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9256 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9258 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9260 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9262 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9263 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9264 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9265 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9266 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9267 determine the size of Wtype, etc.
9268 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9269 (swfloatfuncs): New variable.
9270 (dwfloatfuncs): Likewise.
9271 (lib2funcs): Remove floating-point conversion functions from
9272 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9273 the set of conversion routines needed. Allow entries to specify
9274 an object name, filename and word size. Update users accordingly.
9275 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9276 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9280 2006-02-08 Roger Sayle <roger@eyesopen.com>
9283 * config/fixtfdi.c: New libgcc source file.
9284 * config/fixunstfdi.c: New source file.
9285 * config/floatditf.c: New source file.
9286 * config/floatunditf.c: New souce file.
9287 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9288 files above instead of config/mips/_tilib.c.
9289 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9291 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9293 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9294 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9296 2006-05-18 Mike Stump <mrs@apple.com>
9298 Fix up vla, vm and [*] sematics.
9304 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9305 (c_vla_unspec_p): Add.
9306 (c_vla_type_p): Add.
9307 * c-decl.c (struct c_scope): Add had_vla_unspec.
9308 (build_array_declarator): Add support for [*].
9309 (grokdeclarator): Likewise.
9310 (grokparms): Likewise.
9311 (get_parm_info): Likewise.
9312 * c-objc-common.c (c_vla_unspec_p): Likewise.
9313 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9314 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9315 typeof when argument is a variably modified type not inside sizeof or alignof.
9316 (c_parser_direct_declarator_inner): Propagate errors.
9317 (c_parser_sizeof_expression): Add support for [*].
9318 (c_parser_parms_declarator): Initialize had_vla_unspec.
9319 (c_parser_parms_list_declarator): Likewise.
9320 * c-typeck.c (c_vla_type_p): Add.
9321 (composite_type): Add support for vla compositing.
9322 (comptypes_internal): Add support for vla compatibility.
9323 (c_expr_sizeof_expr): Evaluate vla arguments.
9324 * tree.c (variably_modified_type_p): Update comment for [*].
9326 2006-05-18 Michael Matz <matz@suse.de>
9329 * config.host: Make assignments to host_xmake_file cumulative.
9330 * config.host (*-darwin*): Test $host, not $target.
9332 2006-05-12 Stuart Hastings <stuart@apple.com>
9334 * config/i386/i386.opt (-mstackrealign): New flag.
9335 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9336 (ix86_handle_cconv_attribute): Emit error when
9337 force_align_arg_pointer attribute collides with too many regparms.
9338 (ix86_function_regparm): Limit regparms when used with
9339 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9340 Support stack-realigning prologue in non-main functions. Emit
9341 warning for nested functions under -mstackrealign, emit error for
9342 nested functions with force_align_arg_pointer attribute.
9343 * doc/extend.texi (force_align_arg_pointer): Document it.
9344 * doc/invoke.texi (-mstackrealign): Document it.
9346 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9348 PR rtl-optimization/27477
9349 * combine.c (try_combine): Don't split a parallel consisting
9350 of two sets into two individual sets if both sets reference
9353 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9355 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9356 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9358 * doc/options.texi (VarExists): Updated.
9360 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9362 * unwind-dw2.c: Add declarations for uw_update_context and
9364 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9365 detected, advance frame state and context once to skip over stub.
9367 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9371 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9372 Call rewrite_into_loop_closed_ssa only when something changed.
9373 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9374 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9375 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9376 Test for perfect_nest_p here. Fix formating.
9377 (replace_uses_equiv_to_x_with_y): Fix formating.
9378 (stmt_uses_op): Removed.
9379 (can_convert_to_perfect_nest): Removed loopivs parameter.
9380 Complete the test by checking the scalar dependences.
9381 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9384 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9387 From Dan Kegel <dank@kegel.com>:
9388 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9390 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9392 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9393 if the element type is variably modified without recursing.
9395 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9398 * tree-loop-linear.c (try_interchange_loops): Test for
9399 no data dependences.
9401 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9403 PR tree-optimization/27548
9404 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9405 range of ssa names that appear on abnormal edges.
9406 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9407 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9409 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9412 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9414 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9417 * tree.h (OMP_PARALLEL_COMBINED): Define.
9418 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9419 (new_omp_context): Add is_combined_parallel argument.
9420 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9421 new_omp_context caller.
9422 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9423 Adjust gimplify_scan_omp_clauses callers.
9424 (omp_is_private): Issue errors if iteration variable is firstprivate
9425 or reduction in the current context.
9426 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9427 on combined parallel workshare constructs.
9429 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9431 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9432 (gcc-options.o): New rule.
9434 * optc-gen.awk: Protect variables for gcc-options.o with
9435 #ifdef GCC_DRIVER/#endif.
9437 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9439 Fix PR tree-optimization/27373
9440 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9441 (forward_propagate_addr_expr): Update call.
9443 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9445 * doc/options.texi: Move the Negative option.
9447 2006-05-16 Richard Guenther <rguenther@suse.de>
9449 PR tree-optimization/22303
9450 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9452 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9453 ccp_fold did not simplify the statement.
9455 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9458 * Makefile.in (GCC_OBJS): New.
9459 (OBJS-common): Add opts-common.o.
9460 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9461 (cpp$(exeext)): Likewise.
9462 (gcc.o): Also depend on opts.h.
9463 (opts-common.o): New.
9465 * common.opt (gcoff): Add Negative(gdwarf-2).
9466 (gdwarf-2): Add Negative(gstabs).
9467 (gstabs): Add Negative(gstabs+).
9468 (gstabs+): Add Negative(gvms).
9469 (gvms): Add Negative(gxcoff).
9470 (gxcoff): Add Negative(gxcoff+).
9471 (gxcoff+): Add Negative(gcoff).
9472 * config/i386/i386.opt (m32): Add Negative(m64).
9473 (m64): Add Negative(m32).
9475 * doc/options.texi: Document the Negative option.
9477 * gcc.c: Include "opts.h".
9478 (main): Call prune_options after expandargv.
9480 * optc-gen.awk: Generate common declarations for all flag
9481 variables in options.c. Output the neg_index field.
9483 * opts.c (find_opt): Moved to ...
9484 * opts-common.c: Here. New file.
9486 * opts.h (cl_option): Add a neg_index field.
9488 (prune_options): Likewise.
9490 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9493 * omp-low.c (expand_omp_parallel): Don't assert
9494 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9495 instead search for it.
9498 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9501 2006-05-16 Andreas Schwab <schwab@suse.de>
9503 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9506 2006-05-15 Roger Sayle <roger@eyesopen.com>
9509 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9510 integer constants other than zero are only legitimate on TARGET_64BIT.
9511 <CONST_VECTOR> Only zero vectors are legitimate.
9512 (ix86_cannot_force_const_mem): Integral and vector constants can
9513 always be put in the constant pool.
9515 2006-05-16 DJ Delorie <dj@redhat.com>
9517 * crtstuff.c (__dso_handle): Set section from
9518 TARGET_LBIGCC_SDATA_SECTION if defined.
9519 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9520 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9522 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9525 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9528 2006-05-16 Ben Elliston <bje@au.ibm.com>
9530 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9532 2006-05-15 Per Bothner <per@bothner.com>
9534 * tree.c: (last_annotated_node): Use source_locus typedef.
9535 This permits bootstrapping with --enable-mapped-location.
9537 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9539 PR tree-optimization/26830
9540 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9541 (info_for_ssa_name, current_info_for_ssa_name_age,
9542 blocks_to_update): New variables.
9543 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9544 (clear_ssa_name_info, initialize_flags_in_bb,
9545 mark_block_for_update): New functions.
9546 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9547 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9548 prepare_def_site_for): Use mark_block_for_update.
9549 (mark_def_interesting): Assert that the processed block is marked in
9550 blocks_to_update. Do not take blocks argument.
9551 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9553 (rewrite_update_init_block, rewrite_update_stmt): Only process
9554 blocks with statements to rewrite.
9555 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9556 (update_ssa): Initialize and free blocks_to_update. Do not
9557 clear flags on statements. Do not use blocks bitmap.
9558 * tree.h (SSA_NAME_AUX): Removed.
9559 (struct tree_ssa_name): Removed aux field.
9560 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9562 2006-05-15 Richard Guenther <rguenther@suse.de>
9564 PR tree-optimization/27603
9565 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9566 Do computations in original type.
9568 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9570 * see.c: Code style changes such as redundant paranthesis,
9571 redundant intialization of local variables etc.
9572 (see_main): Declared now as static.
9573 * doc/invoke.texi: Update that -fsee is not enabled by
9576 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9578 * omp-low.c (check_omp_nesting_restrictions): New function.
9579 (scan_omp_1): Call it.
9582 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9583 construct, return *VAR.
9585 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9587 PR rtl-optimization/27406
9588 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9591 2006-05-14 Roger Sayle <roger@eyesopen.com>
9593 PR rtl-optimization/27538
9594 * combine.c (expand_compound_operation): Call gen_lowpart
9595 before calling simplify_shift_const.
9597 2006-05-14 Roger Sayle <roger@eyesopen.com>
9599 PR rtl-optimization/22563
9600 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9601 a fixed width bitfield, always force the intermediates into psuedos.
9603 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9606 * mkconfig.sh: Use operator = instead of == for test.
9608 2006-05-13 Nick Clifton <nickc@redhat.com>
9610 * dwarf2out.c (dbx_reg_number): Check return value from
9611 LEAF_REG_REMAP and only use it if it is valid.
9612 (multiple_reg_loc_descriptor): Likewise.
9614 2006-05-13 Richard Guenther <rguenther@suse.de>
9616 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9619 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9621 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9622 information attached to non-INSNs such as NOTEs.
9623 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9625 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9627 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9629 * config/s390/s390.md: Adjust comment describing On constraint.
9631 2006-05-11 Jan Hubicka <jh@suse.cz>
9633 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9634 to be output at -O0.
9636 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9639 * fold-const.c (size_binop): Move sanity check for arguments to
9640 the beginning of the function.
9643 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9646 2006-05-11 Richard Guenther <rguenther@suse.de>
9649 * fold-const.c (fold_unary): Handle intermediate conversion
9650 to a pointer type like intermediate conversion to an integer
9651 type in folding of (T1)(T2)var to var.
9652 Match the code to the comment in the final conversion for
9653 (T1)(T2)var to (T1)var regarding to type precision. Rather
9654 than disallow T1 being of pointer type, assert that both T1
9655 and var are of pointer type or not. Make sure not to fall
9656 over the frontends lazyness wrt array to pointer decay though.
9658 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9660 * arm.c (arm_struct_value_rtx): Delete.
9661 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9662 (arm_init_cumulative_args): Always initialize nregs to zero.
9664 2006-05-10 Richard Guenther <rguenther@suse.de>
9666 PR tree-optimization/27532
9667 * tree-object-size.c (plus_expr_object_size): Fix typo.
9669 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9672 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9673 ashrdi_const, ashrdi3): Use a scratch register.
9675 2006-05-10 Richard Guenther <rguenther@suse.de>
9677 PR tree-optimization/27302
9678 * fold-const.c (operand_equal_p): For two comparisons,
9679 try comparison of one comparison code swapped if that yields
9682 2006-05-10 Ben Elliston <bje@au.ibm.com>
9684 * tree-pretty-print.c (pretty_print_string): No need to handle
9685 '\0' as a special character.
9687 * tree.h: Include "hashtab.h".
9688 (iterative_hash_expr): Use hashval_t in its prototype.
9689 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9691 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9694 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9695 (hppa*64*-*-hpux11*): Ditto.
9696 (hppa[12]*-*-hpux11*): Ditto.
9698 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9701 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9703 2006-05-09 Michael Matz <matz@suse.de>
9705 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9706 host_extra_gcc_objs and host_xmake_file.
9707 (<*-*-linux*>): Don't overwrite host_xmake_file.
9708 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9709 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9710 (host_detect_local_cpu): Declare.
9711 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9712 * config/i386/i386.c (override_options): Handle -mtune=native
9714 * config/i386/x-i386: New file.
9715 * config/i386/driver-i386.c: New file.
9716 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9719 2006-05-09 Dirk Mueller <dmueller@suse.de>
9720 Richard Guenther <rguenther@suse.de>
9723 * fold-const.c (fold_read_from_constant_string): Relax check
9724 for matching types to matching modes.
9726 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9728 PR rtl-optimization/27335
9729 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9732 2006-05-08 Chao-ying Fu <fu@mips.com>
9733 Richard Sandiford <richard@codesourcery.com>
9735 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9736 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9737 * config/mips/mips.md (UNSPEC_SCC): New constant.
9738 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9739 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9740 (mips_emit_compare): Use it.
9741 (mips_expand_vcondv2sf): New function.
9743 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9745 Fix PR tree-optimization/27093
9746 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9747 renaming when they become not-used_alone.
9749 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9751 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9752 relocation and relocation stubs.
9754 2006-05-08 Eric Christopher <echristo@apple.com>
9756 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9759 2006-05-08 Jan Hubicka <jh@suse.cz>
9762 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9763 unused static functions are needed.
9765 2006-05-08 Roger Sayle <roger@eyesopen.com>
9768 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9769 of a reg_equiv_constant if the result is a legitimate constant.
9771 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9774 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9775 standard 80387 constants, raise the cost to prevent
9776 compress_float_constant() to generate load from memory.
9778 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9780 * config/arm/constraints.md (c): Fix a typo.
9782 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9785 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9788 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9790 (_mm_mwait): Likewise.
9792 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9794 (sse3_monitor): Make it 32bit only.
9795 (sse3_monitor64): New. 64bit monitor.
9797 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9800 * config/i386/i386.c (classify_argument): Skip fields with invalid
9803 2006-05-07 Richard Guenther <rguenther@suse.de>
9805 PR tree-optimization/27409
9806 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9807 Do not try to find zero-sized subvars.
9809 2006-05-07 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/27136
9812 * tree-ssa-loop-niter.c (get_val_for): Correct function
9813 comment, assert requirements.
9814 (loop_niter_by_eval): Stop processing if the iterated
9815 value did not simplify.
9817 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9819 * opts.c (flag_see): remove its setting at -O3.
9821 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9823 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9824 * arm/constraints.md: New file.
9825 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9826 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9827 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9828 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9829 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9830 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9831 * arm.md: Include constraints.md.
9832 (thumb_movsi_insn): Use satisfies_constraint_J.
9833 (movhi, movqi): Use satisfies_constraint_I.
9835 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9837 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9838 for atmeg a645 device.
9840 2006-05-06 Richard Guenther <rguenther@suse.de>
9842 PR tree-optimization/27151
9843 * tree-vect-transform.c (vectorizable_condition): Punt on
9844 values that have a different type than the condition.
9846 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9849 * c-parser.c (c_parser_cast_expression): Only insert casts into
9850 hash table if pointer.
9851 * function.c (used_types_insert_helper): Rename from
9853 (used_types_insert): Call used_types_insert_helper.
9854 * function.h (used_types_insert): Accept only one argument.
9856 2006-05-05 David Edelsohn <edesohn@gnu.org>
9858 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9859 scratch with output modifier.
9861 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9864 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9865 with output modifier.
9867 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9870 * config/mips/mips.c (mips_symbolic_address_p): Return true
9871 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9872 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9874 2006-05-04 Richard Guenther <rguenther@suse.de>
9876 PR tree-optimization/14287
9877 PR tree-optimization/14844
9878 PR tree-optimization/19792
9879 PR tree-optimization/21608
9880 PR tree-optimization/27090
9881 * tree-ssa-pre.c (try_combine_conversion): New function.
9882 (compute_avail): After constructing the value-handle
9883 expression, use try_combine_conversion to combine NOP_EXPRs
9884 with previous value-handle expressions and use the result if it
9887 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9889 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9891 2006-05-04 Jan Hubicka <jh@suse.cz>
9894 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9896 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9898 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9899 that this only matches CONST_INTs. All users changed to VOIDmode
9902 * config/bfin/bfin.c: Include "optabs.h".
9903 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9905 (enum bfin_builtins): Add a number of fractional and vector builtins.
9906 (bfin_init_builtins): Likewise.
9907 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9908 (safe_vector_operand, bfin_expand_binop_builtin,
9909 bfin_expand_unop_builtin): New functions.
9910 (bfin_expand_builtin): Handle the new builtins.
9911 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9914 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9917 * Makefile.in (OBJS-common): Add see.o.
9918 (see.o): Add dependencies.
9919 * common.opt (fsee): New flag for the see optimization was added.
9920 * opts.c (flag_see): Initialized.
9921 * passes.c (init_optimization_passes, pass_see): New pass.
9922 * rtl.h (see_main): Declaration as extern.
9923 * timevar.def (TV_SEE): New.
9924 * tree-pass.h (pass_see): Declaration as extern.
9925 * invoke.texi (-fsee): Document.
9926 * recog.c (validate_simplify_insn): New function.
9927 * recog.h (validate_simplify_insn): Declaration as extern.
9928 * df-problems.c (df_chain_dump): Check for NULL.
9930 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9931 Daniel Berlin <dberlin@dberlin.org>
9933 * cfgrtl.c (insert_insn_bb_end_new): New function.
9934 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9936 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9938 * df.h (struct web_entry): Moved from web.c.
9939 (union_defs): Declaration as extern.
9940 (unionfind_root): Likewise.
9941 (unionfind_union): Likewise.
9942 * web.c (struct web_entry): Moved to df.h.
9943 (unionfind_root): Remove static declaration.
9944 (unionfind_union): Likewise.
9945 (union_defs): Likewise and generalize to use callback function.
9946 (web_main): Update arguments for union_defs function call.
9948 2006-05-04 Richard Guenther <rguenther@suse.de>
9950 PR tree-optimization/26447
9951 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9952 produce SSA_NAME copies before the store stmt to avoid
9953 breaking exception handling.
9955 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9958 * gimplify.c (omp_is_private): If var is shared in some outer context,
9959 return false instead of true. Stop searching on parallel context
9962 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9965 * coverage.c: Use get_gcov_unsigned_t() instead of
9966 unsigned_type_node all over.
9968 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9970 PR tree-optimization/27381
9971 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9972 maintain the same immediate_use links.
9973 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9974 node rather than segfaulting.
9976 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9979 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9980 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9981 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9983 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9985 Fix PR tree-optimization/26626
9986 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9988 * tree-ssa-operands.c (access_can_touch_variable): Allow
9989 typecasting through union pointers.
9991 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9994 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9995 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9996 to find if var will be a global variable even in the nested context.
9997 (omp_copy_decl): Only check for global variable at the end, it might
9998 be overridden in outer contexts.
9999 (scan_sharing_clauses): For global variables don't create a field.
10000 (lower_rec_input_clauses): Do nothing for global shared variables.
10001 Emit a barrier at the end of ILIST if there were any decls in both
10002 firstprivate and lastprivate clauses.
10003 (lower_send_clauses): Do nothing for global variables except for
10006 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
10008 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
10009 of the correct signedness is returned.
10011 2006-05-02 Jeff Law <law@redhat.com>
10013 PR tree-optimization/27364
10014 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
10015 multiply expressions.
10017 2006-05-02 Tom Tromey <tromey@redhat.com>
10019 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
10021 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
10024 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
10025 -mthumb -fPIC are used.
10027 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
10028 Joshua Kinard <kumba@gentoo.org>
10031 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
10032 with 64-bit pointers.
10034 2006-05-02 Paul Brook <paul@codesourcery.com>
10036 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
10038 (create_fix_barrier): Check that a suitable barrier location is
10040 (arm_reorg): Include ftmp->address in allowable range of addresses.
10042 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
10045 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
10048 2006-05-02 Jakub Jelinek <jakub@redhat.com>
10050 PR middle-end/27337
10051 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
10052 around RESULT_DECL for result passed by reference.
10053 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
10054 * omp-low.c (use_pointer_for_field): Don't look at
10055 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
10056 (scan_omp_1): Call remap_decl on RESULT_DECLs.
10057 (lower_rec_input_clauses): Don't allocate VLA memory for the second
10058 time or var for passing by reference for
10059 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
10060 TREE_ADDRESSABLE variables when passing by reference.
10062 * omp-low.c (dump_omp_region): Fix output formatting.
10064 PR middle-end/27328
10065 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
10066 (expand_omp_parallel): Likewise.
10067 * tree-cfg.c (move_sese_region_to_fn): Likewise.
10069 PR middle-end/27325
10070 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
10071 on statement list containing also constructors and destructors.
10072 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
10074 PR middle-end/27310
10075 * except.c (duplicate_eh_regions): Fix clearing of
10076 cfun->eh->region_array entries.
10078 2006-05-01 DJ Delorie <dj@redhat.com>
10080 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
10082 (gcc_cv_objdump): Likewise.
10083 * configure: Regenerated.
10085 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
10088 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
10089 templates for case 3 and 4.
10091 2006-05-01 DJ Delorie <dj@redhat.com>
10093 * vec.c: Include bconfig.h when appropriate.
10094 * Makefile.in (build/vec.o): Adjust dependencies.
10095 * mkconfig.sh: Make sure config.h isn't used for build machine
10098 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10100 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
10102 (mark_phi_for_rewrite): New function.
10103 (insert_phi_nodes_for, mark_use_interesting): Call
10104 mark_phi_for_rewrite.
10105 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
10106 (update_ssa): Initialize and free phis_to_rewrite.
10108 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10110 PR rtl-optimization/27291
10111 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
10112 folded to a constant.
10114 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10116 PR tree-optimization/27283
10117 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
10118 not whole # of iteration descriptions.
10119 (niter_for_exit): Return just # of iterations. Fail if # of iterations
10120 uses abnormal ssa name.
10121 (niter_for_single_dom_exit): Ditto.
10122 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
10123 return just the number of iterations.
10125 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
10127 PR tree-optimization/27144
10128 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
10129 (record_estimate): Only record constant upper bound.
10130 (infer_loop_bounds_from_undefined): Call
10131 compute_estimated_nb_iterations just once.
10132 (proved_non_wrapping_p): Renamed to ...
10133 (n_of_executions_at_most): ... this. Expect bound to be a constant.
10134 (convert_step_widening, scev_probably_wraps_p): Call
10135 n_of_executions_at_most instead of proved_non_wrapping_p.
10136 (substitute_in_loop_info): Do not replace values in bounds.
10137 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
10140 2006-05-01 Richard Henderson <rth@redhat.com>
10143 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
10144 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
10147 2006-05-01 Roger Sayle <roger@eyesopen.com>
10149 * c-typeck.c (parser_build_binary_op): Don't call the function
10150 unsigned_conversion_warning to spot operand/result type overflow.
10151 (build_binary_op): Instead, call convert_and_check instead of
10152 convert to report the problem when the operands are promoted.
10153 * c-common.c (unsigned_conversion_warning): Make static.
10154 * c-common.h (unsigned_conversion_warning): Delete prototype.
10156 2006-05-01 Richard Guenther <rguenther@suse.de>
10158 PR tree-optimization/26726
10159 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
10161 (find_interesting_uses_address): ... we work around here
10162 by folding INDIRECT_REFs in the substituted base.
10164 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10166 * omp-low.c (dump_omp_region): Add newlines.
10168 2006-04-30 Roger Sayle <roger@eyesopen.com>
10170 * common.opt (Woverflow): New command line option.
10171 * c-common.c (constant_expression_warning): Check warn_overflow.
10172 (overflow_waring): Pass OPT_Woverflow to warning.
10173 (unsigned_conversion_warning): Likewise.
10174 (convert_and_check): Likewise.
10175 * doc/invoke.texi: Document new command line option.
10177 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10179 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10180 TARGET_NO_FP_IN_TOC for section anchors.
10181 (optimization_options): Enable section anchors for all
10182 non-"Objective" languages.
10184 2006-04-28 Eric Christopher <echristo@apple.com>
10186 * config/darwin-c.c (darwin_ms_struct): Move this
10187 (darwin_set_default_type_attributes): and this...
10188 * config/darwin.c: ... here.
10189 * config/darwin.h (darwin_ms_struct): Declare.
10191 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10193 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10195 2006-04-28 Roger Sayle <roger@eyesopen.com>
10198 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10199 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10200 an unsigned HOST_WIDE_INT.
10201 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10203 (really_start_incremental_init): No need to call convert because
10204 bitsize_zero_node is already of type bitsizetype.
10205 (push_init_level): Extract the value of constructor_index as an
10206 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10207 (process_init_element): Likewise.
10209 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10211 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10212 value before passing to make_relative_prefix.
10214 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10216 PR middle-end/27260
10217 * builtins.c (expand_builtin_memset): Expand val in original mode.
10219 2006-04-27 Eric Christopher <echristo@apple.com>
10221 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10222 with #ifndef/#endif.
10223 * config/darwin-c.c (darwin_ms_struct): New.
10224 (darwin_pragma_ms_struct): Ditto.
10225 (darwin_set_default_type_attributes): Ditto.
10226 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10227 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10228 Register ms_struct pragma.
10229 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10230 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10231 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10232 darwin_set_default_type_attributes if TARGET_MACHO.
10234 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10236 PR tree-optimization/26854
10237 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10238 * doc/tree-ssa.texi: Update immuse iterator documentation.
10239 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10240 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10241 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10242 first_safe_imm_use, next_safe_imm_use): Remove.
10243 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10244 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10245 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10246 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10247 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10248 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10249 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10250 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10251 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10252 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10253 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10254 (perfect_nestify): Use new iterator.
10255 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10257 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10258 (next_imm_name): New field in struct immediate_use_iterator_d.
10259 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10260 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10261 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10262 * tree-cfg.c (replace_uses_by): Use new iterator.
10263 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10264 * tree-ssa-operands.c (correct_use_link): Remove.
10265 (finalize_ssa_use_ops): No longer call correct_use_link.
10267 2006-04-27 Stuart Hastings <stuart@apple.com>
10269 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10270 * config/t-darwin (crt3.o): Use it.
10271 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10272 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10273 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10274 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10275 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10278 2006-04-27 Roger Sayle <roger@eyesopen.com>
10280 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10281 size, force the intermediate into a new pseudo rather instead of
10282 performing both a bitwise AND and a bitwise IOR in memory.
10284 2006-04-27 Richard Guenther <rguenther@suse.de>
10286 PR rtl-optimization/26685
10287 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10288 this one "max-flow-memory-locations".
10290 2006-04-27 Richard Guenther <rguenther@suse.de>
10292 PR tree-optimization/25148
10293 * tree-vrp.c (compare_values): Remove code dealing with
10294 comparisons against type min/max value. Honour overflow
10295 and negative constants in code dealing with comparisons
10296 of plus and minus expressions.
10297 (value_inside_range): Use fold_binary with LE_EXPR and
10298 GE_EXPR rather than compare_values.
10300 2006-04-27 Dirk Mueller <dmueller@suse.de>
10302 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10305 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10307 * basic-block.h (safe_insert_insn_on_edge): Removed.
10308 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10310 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10311 Paolo Bonzini <bonzini@gnu.org>
10313 PR middle-end/27282
10314 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10315 (simplify_and_const_int): Same.
10317 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10319 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10321 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10324 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10325 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10326 cgraph_global_info_ready.
10328 PR middle-end/26913
10329 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10332 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10333 either decl or init is error_mark_node.
10335 PR middle-end/25989
10336 * tree-flow.h (struct omp_region): Add sched_kind.
10337 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10338 instead of extracting omp for data.
10339 (expand_omp_for): Save extracted sched_kind.
10341 2006-04-25 Roger Sayle <roger@eyesopen.com>
10343 * expmed.c (store_bit_field): Also check whether the bitsize is
10344 valid for the machine's "insv" instruction before moving the
10345 target into a pseudo for use with the insv.
10346 * config/i386/predicates.md (const8_operand): New predicate.
10347 * config/i386/i386.md (extv, extzv, insv): Use the new
10348 const8_operand predicate where appropriate.
10350 2006-04-25 DJ Delorie <dj@redhat.com>
10352 * doc/install.texi (Specific): Clarify that this is not a list of
10353 supported hosts or targets.
10355 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10357 PR rtl-optimization/26725
10358 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10359 block's BB_DIRTY flag.
10361 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10363 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10366 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10367 to print an integer.
10369 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10371 * varasm.c (align_variable): New function.
10372 (get_block_for_decl): Apply align_variable to DECL before
10373 calculating section information.
10374 (assemble_variable): Split out alignment computation.
10376 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10378 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10381 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10383 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10384 MODE_PARTIAL_INT mode.
10385 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10386 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10388 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10389 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10391 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10393 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10395 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10396 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10397 MACFLAG_IH): Likewise.
10398 (movstricthi_1): Renamed from "*movstricthi".
10399 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10400 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10401 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10402 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10403 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10404 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10405 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10406 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10407 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10408 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10409 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10410 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10411 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10412 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10413 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10415 * doc/rtl.texi (ss_ashift): Improve wording.
10417 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10419 * dwarf2out.c (verify_marks_clear): New.
10420 (prune_unused_types): Call verify_marks_clear initially, not
10423 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10425 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10426 * doc/rtl.texi: Document them.
10427 * simplify-rtx.c (simplify_unary_operation,
10428 simplify_binary_operation_1): Don't abort when we see them.
10430 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10433 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10434 * configure.ac: Completely disregard languages that are not
10436 * configure: Regenerated.
10438 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10439 Richard Guenther <rguenther@suse.de>
10441 PR tree-optimization/27236
10442 * tree-inline.c (copy_body_r): Make sure to copy
10443 TREE_THIS_VOLATILE flag.
10445 2006-04-24 Richard Guenther <rguenther@suse.de>
10447 PR middle-end/26869
10448 * tree-complex.c (update_parameter_components): Don't handle
10449 unused parameters which have no default def.
10451 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10452 Richard Guenther <rguenther@suse.de>
10454 PR tree-optimization/27218
10455 * tree-inline.c (expand_call_inline): Strip useless type
10456 conversions for the return slot address.
10458 2006-04-24 Richard Guenther <rguenther@suse.de>
10460 * cfgloop.h (struct loops): Remove unused field array. Reorder
10462 (LOOP_PREFETCH): Remove.
10464 2006-04-24 Richard Guenther <rguenther@suse.de>
10466 PR tree-optimization/22525
10467 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10468 variable, adjust types of generated expressions.
10470 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10472 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10473 (tree-vect-patterns.o): Likewise.
10474 (jump.o): Likewise.
10475 (cselib.o): Likewise.
10476 (loop-doloop.o): Likewise.
10477 (regclass.o): Likewise.
10478 (reload1.o): Likewise.
10479 (explow.o): Replace target.h with $(TARGET_H).
10480 (ipa-prop.o): Likewise.
10481 (ipa-cp.o): Likewise.
10482 (ipa-inline.o): Likewise.
10483 (reorg.o): Likewise.
10484 (reg-stack.o): Likewise.
10486 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10488 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10490 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10492 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10494 * configure.ac: Completely disregard languages that are not
10496 * configure: Regenerated.
10499 * c-common.h (c_build_bitfield_integer_type): Declare.
10500 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10501 * c-common.c (c_build_bitfield_integer_type): ... here.
10503 2006-04-23 Roger Sayle <roger@eyesopen.com>
10506 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10507 a SImode SUBREG of a floating point register after no_new_pseudos.
10509 2006-04-23 Roger Sayle <roger@eyesopen.com>
10511 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10512 identify potentially eliminable registers to additionally catch
10513 VIRTUAL_INCOMING_ARGS_REGNUM.
10514 (addsi3): Update the conditions on when to use addsi_small_int.
10516 2006-04-23 Roger Sayle <roger@eyesopen.com>
10519 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10520 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10521 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10523 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10525 * fold-const.c (range_predecessor): Use operand_equal_p
10526 as the predicate for equality.
10527 (range_successor): Likewise.
10529 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10532 * config/soft-fp/op-common.h: Fix a typo.
10534 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10536 PR libmudflap/26864
10537 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10538 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10540 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10542 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10544 * doc/tm.texi: Fix a typo.
10546 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10548 * dwarf2out.c (struct die_struct): Document that die_sib makes
10549 a circular linked list.
10550 (FOR_EACH_CHILD): New.
10551 (reverse_die_lists): Delete.
10552 (reverse_all_dies): Delete.
10553 (add_dwarf_attr): Correct documentation.
10554 (remove_child_with_prev): New.
10555 (remove_child_TAG): Update for change to die_struct, use
10556 remove_child_with_prev.
10557 (add_child_die): Update for change to die_struct.
10558 (splice_child_die): Use remove_child_with_prev and add_child_die.
10559 (print_die): Use FOR_EACH_CHILD.
10560 (die_checksum): Likewise.
10561 (assign_symbol_names): Likewise.
10562 (output_location_lists): Likewise.
10563 (build_abbrev_table): Likewise.
10564 (calc_die_sizes): Likewise.
10565 (mark_dies): Likewise.
10566 (unmark_dies): Likewise.
10567 (unmark_all_dies): Likewise.
10568 (output_die): Likewise.
10569 (prune_unused_types_mark): Likewise.
10570 (prune_unused_types_walk): Likewise.
10571 (same_die_p): Update for change to die_struct.
10572 (break_out_includes): Likewise.
10573 (prune_unused_types_prune): Likewise.
10574 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10575 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10576 it's already clear.
10577 (dwarf2out_finish): Don't call reverse_all_dies.
10579 2006-04-21 Eric Christopher <echristo@apple.com>
10581 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10582 in comments and function names.
10584 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10587 * c-typeck.c (digest_init): Robustify.
10589 * c-typeck.c (pop_init_level): Simplify.
10591 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10593 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10595 2006-04-21 Paul Brook <paul@codesourcery.com>
10597 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10598 hardware floating point.
10600 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10602 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10605 2006-04-21 Nick Clifton <nickc@redhat.com>
10607 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10610 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10613 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10614 C++ lang type in traceback table for Objective-C++.
10616 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10618 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10620 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10622 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10625 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10626 were errors. Remove check for erroneous objects.
10628 2006-04-20 Jeff Law <law@redhat.com>
10630 PR tree-optimization/26854
10631 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10632 checking for zero or one use.
10633 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10634 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10635 * tree-ssa-reassoc.c (negate_value): Similarly.
10636 (reassociate_bb): Similarly.
10638 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10640 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10641 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10642 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10644 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10646 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10647 fp regs if the last fp arg doesn't fit in regs.
10649 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10652 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10653 that the last insn has the REG_INC note.
10655 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10656 Nathan Sidwell <nathan@codesourcery.com>
10659 * stor-layout.c (update_alignment_for_field): Do not align
10661 (place_union_field): Place union field at the start of the union.
10662 (place_field): Move ERROR_MARK check later, and use the current
10663 allocation position to maintain monotonicity.
10665 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10667 * dominance.c: Include timevar.h.
10668 (calculate_dominance_info): Use TV_DOMINANCE.
10669 * timevar.def (TV_DOMINANCE): New timevar.
10670 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10672 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10674 PR rtl-optimization/14261
10675 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10676 move would be an INSV insn.
10677 (noce_process_if_block): Don't optimize if the destination is a
10678 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10680 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10682 * config/s390/s390.md: Add comments with the instructions emitted
10683 by an insn pattern if macros are used.
10685 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10687 PR rtl-optimization/26026
10688 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10689 is a known power of two shifted left a variable amount.
10691 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10693 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10694 to hash table twice when the debug_str section has SECTION_MERGE.
10696 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10698 * config/soft-fp: New directory. From glibc.
10699 * config/soft-fp/t-softfp: New.
10700 * config/soft-fp/README: New.
10701 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10702 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10703 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10704 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10705 * config.gcc: Use rs6000/t-fprules-fpbit or
10706 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10708 * config/rs6000/sfp-machine.h: New. Based on glibc.
10709 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10711 * config/rs6000/t-fprules: Remove fp-bit rules.
10712 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10713 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10714 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10715 (softfp_wrap_start, softfp_wrap_end): New.
10717 2006-04-18 DJ Delorie <dj@redhat.com>
10719 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10721 2006-04-18 Devang Patel <dpatel@apple.com>
10723 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10725 2006-04-18 Nick Clifton <nickc@redhat.com>
10727 * config/sh/t-symbian: Add rule to build sh-c.o
10728 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10729 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10730 (sh_symbian_encode_section_info): Likewise.
10732 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10734 * builtins.c (expand_builtin_strcmp): Cover label definition of
10735 do_libcall with HAVE_cmpstrnsi.
10737 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10739 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10741 * function.h (temp_slot_p): New.
10742 (function): Change the type of x_used_temp_slots to
10743 VEC(temp_slot_p,gc) *.
10745 2006-04-18 Nick Clifton <nickc@redhat.com>
10747 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10748 flag_strength_reduce.
10750 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10752 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10756 Partial revert of revision 112637
10757 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10758 Dale Johannesen <dalej@apple.com>
10761 * regclass.c (struct reg_pref): Update documentation.
10762 (regclass): Set prefclass to NO_REGS if memory is the best option.
10763 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10765 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10767 PR tree-optimization/26821
10768 * tree-ssa-math-opts.c (get_constant_one): New.
10769 (insert_reciprocals): Use it.
10771 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10773 * dwarf2out.c (free_AT): Delete.
10774 (remove_AT): Update string ref counts.
10775 (remove_child_TAG): Don't call free_die.
10776 (free_die): Delete.
10777 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10778 or DW_TAG_GNU_EINCL.
10779 (prune_unused_types_walk_attribs): Reset string refcounts.
10780 (prune_unused_types_update_strings): New.
10781 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10782 call free_die. Do call prune_unused_types_update_strings.
10783 (prune_unused_types): Empty debug_str_hash.
10785 2006-04-17 Roger Sayle <roger@eyesopen.com>
10787 * expr.c (expand_assignment): Optimize away no-op moves where the
10788 source and destination are equal and have no side-effects.
10790 2006-04-17 Richard Guenther <rguenther@suse.de>
10793 * reload.c (push_reload): Guard calls to get_secondary_mem
10794 for memory subregs.
10796 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10798 * alias.c (reg_base_value, old_reg_base_value): Change the
10799 type to VEC(rtx,gc) *.
10800 (REG_BASE_VALUE, find_base_value, record_set,
10801 init_alias_analysis): Use VEC instead of VARRAY.
10803 * alias.c (alias_sets): Change the type to
10804 VEC(alias_set_entry,gc) *.
10805 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10806 VEC instead of VARRAY.
10807 (last_alias_set): Remove.
10809 * cgraph.h (cgraph_edge_p): New.
10810 Update the prototype of cgraph_function_versioning.
10811 * cgraphunit.c (cgraph_copy_node_for_versioning,
10812 cgraph_function_versioning): Use VEC instead of VARRAY.
10813 * ipa-cp.c (ipcp_insert_stage): Likewise.
10815 2006-04-16 Roger Sayle <roger@eyesopen.com>
10818 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10819 "A op B" or "A op C", we may need to convert A to the type of B and C.
10821 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10823 * target.h (struct gcc_target): Add mode_rep_extended.
10824 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10825 (init_num_sign_bit_copies_in_rep): Initialize it using
10827 (truncate_to_mode): Use it.
10828 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10829 * targhooks.h (default_mode_rep_extended): Declare it.
10830 * targhooks.c (default_mode_rep_extended): Define it.
10831 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10832 default_mode_rep_extended.
10833 (TARGET_INITIALIZER): Include it.
10834 * doc/tm.texi (Misc): Document it.
10835 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10836 (mips_truncated_to_mode): New function.
10838 2006-04-16 Roger Sayle <roger@eyesopen.com>
10840 PR middle-end/25474
10841 * expr.c (compress_float_constant): Copy the narrow constant into
10842 a new pseudo before extending it to its final width.
10844 2006-04-16 Roger Sayle <roger@eyesopen.com>
10845 Andrew Pinski <pinskia@gcc.gnu.org>
10846 Dale Johannesen <dalej@apple.com>
10849 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10850 special case code to implement V8HImode and V16QImode with SSE2.
10852 2006-04-15 Roger Sayle <roger@eyesopen.com>
10854 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10855 trees are constructed with a suitable tree type.
10857 2006-04-15 Roger Sayle <roger@eyesopen.com>
10859 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10860 (integer_onep): Likewise.
10861 (integer_all_onesp): Likewise.
10862 (integer_pow2p): Likewise.
10863 (integer_nonzerop): Likewise.
10864 (real_zerop): Likewise.
10865 (real_onep): Likewise.
10866 (real_twop): Likewise.
10867 (real_minus_onep): Likewise.
10868 (int_size_in_bytes): Likewise.
10869 (host_integerp): Likewise.
10871 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10873 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10874 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10875 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10877 * tree-ssa-structalias.h (alias_info): Remove num_references.
10879 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10881 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10882 (output_bvb patterns): Likewise.
10883 * pa.c (output_bb): Use 'bb' insn for long branch case.
10884 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10885 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10886 1. Correct length operand for alternatives 1 and 2.
10887 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10888 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10890 2006-04-14 Roger Sayle <roger@eyesopen.com>
10892 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10893 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10894 were accidentally reverted by r112959.
10896 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10898 PR middle-end/26823
10899 * except.h (eh_region_outermost): New prototype.
10900 * except.c (eh_region_outermost): New function.
10901 * tree-cfg.c (find_outermost_region_in_block): Use it.
10903 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10905 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10907 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10908 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10909 (init_reload, reload): Use VEC instead of VARRAY.
10910 * reload.h: Update the prototype for
10911 reg_equiv_memory_loc_varray.
10913 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10914 Eric Botcazou <ebotcazou@libertysurf.fr>
10916 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10917 register save area.
10919 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10921 PR middle-end/27134
10922 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10923 to expand fallback builtin function call.
10925 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10927 PR middle-end/27095
10928 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10929 and emit libcall here in case the builtin fails.
10930 (expand_builtin_strcmp): Always emit the libcall here on failure.
10932 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10934 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10935 * flow.c (reg_n_info): Change the type to
10936 VEC(reg_info_p,heap) *.
10937 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10939 * regs.h (reg_info_p): New.
10940 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10941 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10942 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10945 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10947 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10949 * params.h (MAX_SCHED_READY_INSNS): New macro.
10950 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10951 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10952 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10953 the ready list for 1 cycle during the first scheduling pass.
10954 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10956 2006-04-13 Richard Henderson <rth@redhat.com>
10959 * gimple-low.c (lower_omp_directive): Remove dead code.
10960 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10961 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10962 * omp-low.c (struct omp_region): Move to tree-flow.h.
10963 (root_omp_region): Export.
10964 (omp_regions, lookup_omp_region): Remove.
10965 (determine_parallel_type): Update for struct omp_region changes.
10966 (dump_omp_region): Dump regions with block numbers.
10967 (new_omp_region): Take type and block instead of stmt; malloc
10969 (free_omp_region_1, free_omp_regions): New.
10970 (expand_parallel_call): Take entry_stmt as argument; update for
10971 changes to omp_region.
10972 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10973 (remove_exit_barriers): New.
10974 (expand_omp_parallel): Update for struct omp_region changes.
10975 (expand_omp_synch): Likewise.
10976 (expand_omp): Likewise.
10977 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10978 (expand_omp_for_static_chunk): Likewise.
10979 (expand_omp_for): Likewise.
10980 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10981 (expand_omp_sections): Similarly, with GOMP_sections_end.
10982 (expand_omp_single): New.
10983 (build_omp_regions_1): Update for OMP_CONTINUE.
10984 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10985 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10986 OMP_SECTIONS_SECTIONS.
10987 (lower_omp_single_simple): Don't emit barrier here.
10988 (lower_omp_single_copy): Likewise.
10989 (lower_omp_single): Fix bindings, and lower to straightline now.
10990 (lower_omp_master, lower_omp_ordered): Likewise.
10991 (lower_omp_critical): Likewise.
10992 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10993 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10994 omp edges, free it afterward.
10995 (make_omp_sections_edges): Remove.
10996 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10997 (move_stmt_r): Handle OMP_CONTINUE.
10998 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10999 statement pointers to basic blocks. Add type member.
11000 (root_omp_region, new_omp_region, free_omp_regions): Declare.
11001 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
11002 * tree-inline.c (estimate_num_insns_1): Likewise.
11003 * tree-pretty-print.c (dump_generic_node): Likewise.
11004 * tree-ssa-operands.c (get_expr_operands): Likewise.
11005 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
11006 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
11007 (OMP_CONTINUE): New.
11008 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
11009 (OMP_SECTIONS_SECTIONS): Remove.
11010 (OMP_SECTION_LAST): New.
11011 (OMP_RETURN_NOWAIT): New.
11013 2006-04-13 Roger Sayle <roger@eyesopen.com>
11015 * fold-const.c (native_encode_vector, native_interpret_real):
11016 Correct obvious mistakes in the previous check-in.
11018 2006-04-13 Roger Sayle <roger@eyesopen.com>
11020 * fold-const.c (native_encode_expr): New function to encode
11021 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
11022 or VECTOR_CST into a specified buffer.
11023 (native_encode_int): New function.
11024 (native_encode_real): New function.
11025 (native_encode_complex): New function.
11026 (native_encode_vector): New function.
11027 (native_interpret_expr): Inverse of native_encode_expr to convert
11028 a target representation into an INTEGER_CST, REAL_CST etc...
11029 (native_interpret_int): New function.
11030 (native_interpret_real): New function.
11031 (native_interpret_complex): New function.
11032 (native_interpret_vector): New function.
11033 (fold_view_convert_expr): New function to constant fold/evaluate
11034 a VIEW_CONVERT_EXPR of a suitable constant expression.
11035 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
11036 Change call of build1 to fold_build1 when constructing a
11039 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
11040 Ulrich Weigand <uweigand@de.ibm.com>
11043 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
11046 2006-04-13 Alan Modra <amodra@bigpond.net.au>
11049 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
11050 optimize to lo_sum for DFmode if !TARGET_FPRS.
11052 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11054 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
11055 delete_alias_info, compute_flow_sensitive_aliasing,
11056 group_aliases): Use VEC instead of VARRAY.
11057 * tree-ssa-structalias.c (update_alias_info): Likewise.
11058 * tree-ssa-structalias.h (alias_info): Change the type of
11059 processed_ptrs to VEC(tree,heap) *.
11061 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
11064 * config/sh/lib1funcs.h: New file, broken out of:
11065 * config/sh/lib1funcs.asm.
11066 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
11068 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
11069 * config/sh/lib1funcs-Os-4-200.asm: New file.
11070 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
11071 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
11072 (EXTRA_MULTILIB_PARTS): Include it.
11073 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
11074 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
11075 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
11076 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
11079 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
11081 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
11082 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
11083 tpa_compact, root_var_init, type_var_init): Use VEC instead of
11085 * tree-ssa-live.h: Include vecprim.h.
11086 (tree_partition_associator_d): Change the type of
11087 first_partition to VEC(int,heap) *.
11088 (tpa_first_partition): Use VEC instead of VARRAY.
11090 * Makefile.in (GTFILES): Move functions.h after tree.h.
11091 * function.c (reset_block_changes, record_block_change,
11092 check_block_change, free_block_changes): Use VEC instead of
11094 * function.h (function): Change the type of
11095 ib_boundaries_block to VEC(tree,gc) *.
11096 * tree-inline.c (copy_cfg_body): Initialize
11097 ib_boundaries_block to NULL instead of (varray_type) 0.
11099 2006-04-12 Roger Sayle <roger@eyesopen.com>
11101 * expr.c (emit_group_store): Correct operand order in call to
11102 subreg_lowpart_offset. Always create paradoxical SUBREGs with
11103 a SUBREG_BYTE of zero.
11105 2006-04-12 Richard Guenther <rguenther@suse.de>
11107 * profile.c (compute_branch_probabilities): Remove code
11108 encapsulated in !ir_type (), which are remanents of the
11109 removed RTL profiling code.
11110 * rtl-profile.c: Remove.
11112 2006-04-12 Alan Modra <amodra@bigpond.net.au>
11114 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
11115 magic NULL_RTX comment.
11116 (function_arg): Store entire fp arg to mem if any part should go
11118 (rs6000_arg_partial_bytes): Adjust for above change.
11120 2006-04-11 Roger Sayle <roger@eyesopen.com>
11122 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
11123 if it hasn't been initialized by dwarf2out_init.
11125 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
11127 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
11128 symbolic constants in branch patterns.
11130 2006-04-11 Roger Sayle <roger@eyesopen.com>
11132 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
11134 2006-04-11 Richard Sandiford <richard@codesourcery.com>
11136 PR rtl-optimization/27073
11137 * gcse.c (try_replace_reg): Revert last change. Continue to search
11138 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
11141 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
11143 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
11144 aggregate types other than record and union types.
11145 (function_arg): Likewise.
11146 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
11148 (function_value): In 64-bit mode, return objects that require it
11151 2006-04-11 Roger Sayle <roger@eyesopen.com>
11153 * dwarf2out.c (premark_used_types): Remove problematic prototype.
11155 2006-04-11 Jakub Jelinek <jakub@redhat.com>
11157 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
11159 2006-04-03 Jeff Law <law@redhat.com>
11162 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11163 alias information too.
11165 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11167 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11169 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11172 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11173 (premark_used_types_helper): New.
11174 (premark_used_types): New.
11175 (gen_subprogram_die): Call premark_used_types.
11176 (prune_unused_types_walk): Do not prune perennial dies.
11177 * function.c (used_types_insert): New.
11178 * function.h (struct function): Add used_types_hash field.
11179 (used_types_insert): Add prototype.
11180 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11181 * c-parser.c (c_parser_cast_expression): Save casted types in used
11184 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11187 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11188 rs6000_explicit_options.float_gprs.
11190 2006-04-10 Roger Sayle <roger@eyesopen.com>
11192 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11193 from ix86_expand_vector_init_low_nonzero. Take an additional
11194 one_var argument indicating which element is non-zero. Support
11195 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11196 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11197 with one_var instead of ix86_expand_vector_init_low_nonzero.
11199 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11201 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11202 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11203 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11204 build/genextract.o): Depend on vecprim.h.
11205 * cfglayout.c, df-problems.c, function.c, genextract.c,
11206 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11207 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11211 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11213 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11214 Declare VECs of this type.
11215 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11216 (remove_children): Delete.
11217 (add_dwarf_attr): Use VEC routines.
11218 (add_AT_flag): Update for changes to add_dwarf_attr.
11219 (add_AT_int): Likewise.
11220 (add_AT_unsigned): Likewise.
11221 (add_AT_long_long): Likewise.
11222 (add_AT_vec): Likewise.
11223 (add_AT_string): Likewise.
11224 (add_AT_die_ref): Likewise.
11225 (add_AT_fde_ref): Likewise.
11226 (add_AT_loc): Likewise.
11227 (add_AT_loc_list): Likewise.
11228 (add_AT_addr): Likewise.
11229 (add_AT_lbl_id): Likewise.
11230 (add_AT_lineptr): Likewise.
11231 (add_AT_macptr): Likewise.
11232 (add_AT_offset): Likewise.
11233 (add_AT_range_list): Likewise.
11234 (get_AT): Use VEC_iterate.
11235 (remove_AT): Use VEC_ordered_remove.
11236 (free_die): Fold remove_children into here; have it use VEC_iterate.
11237 (print_die): Use VEC_iterate on attrs.
11238 (reverse_die_lists): Don't reverse attr lists.
11239 (die_checksum): Use VEC_iterate on attrs.
11240 (same_die_p): Likewise.
11241 (output_location_lists): Likewise.
11242 (build_abbrev_table): Likewise.
11243 (size_of_die): Likewise.
11244 (unmark_all_dies): Likewise.
11245 (output_abbrev_section): Likewise.
11246 (output_die): Likewise.
11247 (prune_unused_types_walk_attribs): Likewise.
11249 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11251 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11253 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11256 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11258 2006-04-09 Roger Sayle <roger@eyesopen.com>
11260 * expr.c (store_constructor): Don't bother clearing target if
11261 we're about to assign a vector to it using vec_init_optab.
11263 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11265 * tree-ssa-alias.c (lhs_may_store_to): New function.
11266 (recalculate_used_alone): Handle LHS of calls.
11268 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11272 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11273 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11274 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11275 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11276 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11277 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11278 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11279 stubs. Add ".align 8" directives before all ".dword" directives.
11280 (GTHREAD_USE_WEAK): Revise comment.
11281 (TARGET_ATTRIBUTE_WEAK): Define.
11282 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11283 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11284 * stublib.c: New file.
11289 * pa.md (cbranch patterns): Revise arguments used in calls to
11290 output_cbranch, output_bb and output_bvd. Add long branch length
11292 (fbranch patterns): Handle long branches.
11293 (jump): Revise length check. Revise arguments for output_lbranch call.
11294 Add long branch length attributes.
11295 (decrement_and_branch_until_zero): Add long branch length attributes.
11296 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11297 Likewise. Revise arguments for output_parallel_addb and
11298 output_parallel_movb calls.
11299 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11300 output_parallel_movb and output_parallel_addb): Update prototypes.
11301 * pa.c (output_cbranch): Revise arguments. Correct handling of
11302 nullification in long branches.
11303 (output_lbranch): Add new argument to control extraction of delay
11305 (output_bb): Handle long branches.
11306 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11307 output_parallel_addb): Likewise.
11309 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11311 PR rtl-optimization/27073
11312 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11315 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11317 * tree.h (tree_memory_tag): Add old_used_alone.
11318 (SMT_OLD_USED_ALONE): New macro.
11319 * tree-ssa-alias.c (recalculate_used_alone): Stop
11320 marking things for renaming unnecessarily.
11322 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11324 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11325 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11326 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11327 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11328 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11329 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11330 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11331 spelling convensions.
11332 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11333 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11334 typos. Follow spelling conventions.
11336 2006-04-07 DJ Delorie <dj@redhat.com>
11338 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11339 passed on the stack.
11340 (m32c_init_cumulative_args): When a function returns a structure,
11341 always pass the pointer to that return area on the stack.
11342 (m32c_function_arg_advance): Don't increment the parameter number
11343 if we're processing the returned structure pointer.
11344 (pushm_info): Reverse order of registers.
11346 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11348 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11349 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11350 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11351 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11352 build_int_cst_type.
11353 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11354 chrec_fold_multiply): Same.
11355 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11356 force_expr_to_var_cost): Same.
11357 * tree-mudflap.c (mf_xform_derefs_1): Same.
11358 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11360 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11362 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11363 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11366 2006-04-07 Jan Hubicka <jh@suse.cz>
11368 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11370 2006-04-07 Richard Guenther <rguenther@suse.de>
11372 PR tree-optimization/26135
11373 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11374 loads for store copy-prop.
11375 (copy_prop_visit_stmt): Likewise.
11377 2006-04-05 Robert Millan <robertmh@gnu.org>
11379 * config/i386/linux.h: Add a comment to mark macros that are
11380 being overriden in config/k*bsd-gnu.h.
11381 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11383 * config/knetbsd-gnu.h: Ditto.
11385 2006-04-06 Jan Hubicka <jh@suse.cz>
11389 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11392 2006-04-06 Mike Stump <mrs@apple.com>
11394 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11395 for HAVE_nonlocal_goto to be consistent.
11396 (expand_builtin_nonlocal_goto): Likewise.
11397 (expand_builtin_strcmp): Use #ifdef instead of #if
11398 for HAVE_cmpstrnsi to be consistent.
11400 2006-04-05 DJ Delorie <dj@redhat.com>
11402 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11405 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11407 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11408 got-relative addressing for anything but SImode.
11410 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11411 even if the calling function doesn't modify them.
11413 2006-04-05 Richard Guenther <rguenther@suse.de>
11415 PR tree-optimization/26919
11416 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11417 to cgraph_estimate_size_after_inlining.
11419 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11421 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11423 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11425 PR tree-optimization/26996
11426 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11427 VECTOR_TYPE variables.
11429 2006-04-05 Richard Guenther <rguenther@suse.de>
11431 PR tree-optimization/26763
11432 * fold-const.c (fold_comparison): Move folding of
11433 PTR + CST CMP PTR + CST ...
11434 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11436 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11438 * doc/install.texi (Prerequisites): Refine some wording on
11439 bootstrapping and ksh.
11440 Move the version numbers of DejaGnu here from the testing section
11441 and fix casing of names.
11442 Fix markup and clarify wording for autogen requirements.
11443 Refer to GCJ instead of just java.
11444 Refer to SVN instead of CVS.
11445 Describe diffutils as useful instead of necessary.
11446 (Downloading the source): Refer to SVN instead of CVS.
11447 Adjust a link to our web site accordingly.
11448 (Configuration): Fix casing of Bison.
11449 (Building): Refer to SVN instead of CVS.
11450 Fix a sentence on the use of Bison and remove duplicate (and
11451 incorrect) version number of Bison requirement.
11452 Remove one redundant list of packages needed for building.
11453 (Specific): Avoid reference to CVS.
11455 2006-04-04 Eric Christopher <echristo@apple.com>
11457 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11458 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11459 (rs6000_handle_struct_attribute): New.
11460 (rs6000_ms_bitfield_layout_p): Ditto.
11462 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11464 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11465 NULL for dso parameter to atexit_common.
11467 2006-04-04 Eric Christopher <echristo@apple.com>
11469 * config/i386/i386.c (machopic_output_stub): Output \t
11470 between instructions and operands.
11472 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11474 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11475 satisfies_constraint_[IL] to explicit tests on value.
11477 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11479 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11480 set_nb_iterations_in_loop): Use build_int_cst instead of
11481 build_int_cst_type.
11482 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11483 build_int_cst instead of convert.
11485 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11487 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11488 new value 2 for incoming.
11489 * function.c (expand_function_start): Call struct_value_rtx
11490 with incoming as 2.
11491 * config/sparc/sparc.md: Comment updated_return.
11492 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11493 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11494 struct return if sparc_std_struct_return and incoming is 2.
11495 (print_operand): Do not adjust return if
11496 sparc_std_struct_return.
11498 2006-04-04 Roger Sayle <roger@eyesopen.com>
11500 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11501 convert in the middle-end.
11502 * expr.c (store_expr, store_constructor, get_inner_reference,
11503 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11505 * tree.c (build_range_type): Likewise.
11507 2006-04-04 Tom Tromey <tromey@redhat.com>
11509 * doc/install.texi (Prerequisites): Mention jar.
11511 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11513 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11516 2006-04-04 Matthias Klose <doko@debian.org>
11518 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11522 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11525 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11527 * doc/extend.texi (Function Attributes): Rewrite visibility
11528 attribute documentation.
11529 * doc/invoke.texi (C++ Dialect Options): Rewrite
11530 -fvisibility-inlines-hidden documentation to describe something
11531 entirely different, although in practise compatible.
11532 (Code Gen Options): Warn about system headers in -fvisibility=
11535 * doc/extend.texi (Other Builtins): Document that
11536 __builtin_nan is a compile-time constant only when its argument
11539 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11541 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11542 trying to remove TRUNCATE check if all bits outside the new mode
11543 are identical to the sign bit.
11545 2006-04-03 Jeff Law <law@redhat.com>
11547 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11548 and operand scanning in some common cases.
11550 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11551 Dale Johannesen <dalej@apple.com>
11554 * regclass.c (struct reg_pref): Update documentation.
11555 (regclass): Set prefclass to NO_REGS if memory is the best option.
11556 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11557 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11558 into account. For non-registers, equate an empty preferred
11559 reload class to a `!' in the constraint; move the if clause to
11560 do so after those that reject the insn.
11561 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11563 (find_dummy_reload): Likewise.
11564 * doc/tm.texi (Register Classes): Document what it means
11565 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11566 * config/i386/i386.c (ix86_preferred_reload_class): Force
11567 using SSE registers (and return NO_REGS for floating-point
11568 constants) if math is done with SSE.
11569 (ix86_preferred_output_reload_class): New.
11570 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11571 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11572 * config/i386/i386.md: Remove # register preferences.
11574 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11577 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11578 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11579 the type of nb_iter.
11580 (instantiate_parameters_1): Convert the operands before calling
11581 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11582 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11584 2006-04-02 Roger Sayle <roger@eyesopen.com>
11586 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11587 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11588 instead of convert.
11589 * dojump.c (do_jump): Likewise.
11590 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11591 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11592 gimplify_boolean_expr): Likewise.
11593 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11594 * varasm.c (array_size_for_constructor): Likewise.
11595 * tree-object-size.c (compute_object_offset): Likewise.
11597 2006-04-02 Roger Sayle <roger@eyesopen.com>
11599 PR middle-end/26977
11600 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11601 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11603 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11605 PR tree-optimization/26939
11606 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11608 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11610 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11611 at_stmt. Convert the type of operands before calling
11612 build_polynomial_chrec.
11613 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11614 add_to_evolution_1.
11615 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11616 (instantiate_parameters_1): Convert the type of operands before calling
11617 build_polynomial_chrec.
11618 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11619 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11620 reset_evolution_in_loop): Insert asserts to check the types of the
11622 (chrec_type): Moved...
11623 (eq_evolutions_p): Use operand_equal_p.
11624 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11625 the types of the operands.
11626 (chrec_type): ...here.
11627 * tree-data-ref.c (create_data_ref): Convert the operands before
11628 calling chrec_replace_initial_condition.
11629 (same_access_functions, analyze_subscript_affine_affine,
11630 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11631 (compute_subscript_distance, analyze_ziv_subscript,
11632 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11633 analyze_miv_subscript): Convert the operands before calling
11634 chrec_fold_minus or chrec_fold_plus.
11636 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11638 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11639 the dependence_relations vector.
11640 (compute_data_dependences_for_loop): Adjust call to
11641 compute_all_dependences.
11643 2006-04-01 Roger Sayle <roger@eyesopen.com>
11644 Richard Henderson <rth@redhat.com>
11646 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11647 gimple_boolify on the condition before calling gimplify_expr.
11649 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11651 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11652 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11653 the frame size. Update to use the new macros.
11654 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11655 * config/xtensa/ieee754-df.S: Likewise.
11657 2006-03-31 Richard Henderson <rth@redhat.com>
11659 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11660 (make_edges): ... here. Control fallthru creation with a local
11661 variable. Do not play with fake edges.
11662 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11663 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11666 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11668 * dwarf2.h (DW64_CIE_ID): Define.
11669 * dwarf2out.c (DWARF_CIE_ID): Define.
11670 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11671 length header. Use DWARF_CIE_ID.
11672 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11673 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11675 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11677 * config/sh/linux-atomic.asm: New file.
11678 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11680 2006-03-31 DJ Delorie <dj@redhat.com>
11682 * config/m32c/cond.md: Set condition flags properly throughout.
11683 * config/m32c/minmax.md: Likewise.
11684 * config/m32c/prologue.md: Likewise.
11685 * config/m32c/bitops.md: Likewise.
11686 * config/m32c/muldiv.md: Likewise.
11687 * config/m32c/mov.md: Likewise.
11688 * config/m32c/addsub.md: Likewise.
11689 * config/m32c/m32c.md: Likewise.
11690 * config/m32c/jump.md: Likewise.
11691 * config/m32c/shift.md: Likewise.
11693 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11694 conditionally output the pattern for this.
11695 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11696 (m32c_compare_redundant): New.
11697 (m32c_output_compare): New.
11698 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11700 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11701 dest, not src. Allow other 4-byte modes.
11703 2006-03-30 Denis Chertykov <denisc@overta.ru>
11705 * doc/md.texi: Refer to avr/constraints.md instead of
11708 2006-03-30 Roger Sayle <roger@eyesopen.com>
11710 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11711 signed vs. unsigned comparison failures on some hosts.
11713 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11716 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11717 change to FLOAT_REGS.
11719 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11720 (rs6000_override_options): Use it.
11721 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11722 only for -mabi=spe/no-spe and -mabi=altivec.
11724 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11726 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11729 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11731 * Makefile.in: Rename docdir to gcc_docdir.
11733 2006-03-30 Roger Sayle <roger@eyesopen.com>
11736 * expr.c (emit_group_store): Optimize group stores into a pseudo
11737 register by using a paradoxical subreg to initialize the destination
11738 if the first or last member of the group specifies a "low part".
11740 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11743 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11744 * target.h (struct gcc_target.speculate_insn): Change type of the
11745 second parameter to 'int'.
11746 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11747 the second operand of the DEPS_LIST.
11748 (copy_DEPS_LIST_list): Update reference to the second operand of the
11750 * rtl.h (alloc_DEPS_LIST): Update signature.
11751 * sched-int.h (ds_t): Change typedef to 'int'.
11752 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11754 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11756 * haifa-sched.c (try_ready): Change condition to restore
11757 non-speculative pattern of the instruction.
11758 (process_insn_depend_be_in_spec): Code to keep probability of the
11759 speculative dependence non-decreasing.
11761 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11763 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11764 (single_move_for_movmem): ... this. Also change all uses.
11765 (bfin_expand_strmov): Renamed to...
11766 (bfin_expand_movmem): ... this. Also change all uses.
11767 * config/bfin/bfin.md (movstrsi): Renamed to...
11768 (movstrsi): ...this.
11770 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11772 PR tree-optimization/26830
11774 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11775 (copy_prop_visit_stmt): Remove write-only variable ann.
11776 (init_copy_prop): Check variable loop depth here. Do not simulate
11777 memory-tag and virtual operand PHIs except for store copy prop.
11779 2006-03-30 Richard Guenther <rguenther@suse.de>
11781 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11782 variants with double arguments.
11784 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11786 * genpreds.c (write_tm_constrs_h): Delete variable p.
11787 * genconditions.c (write_header): Add tm-constrs.h to included
11789 * genpeep.c (main): Add toplev.h to included headers.
11790 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11791 (build/genpeep.o): Add toplev.h dependency.
11792 * config/rs6000/constraints.md: Add "W" constraint.
11794 2006-03-29 Roger Sayle <roger@eyesopen.com>
11796 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11797 sizes by correctly testing whether the size fits a host integer.
11798 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11799 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11800 SImode range for the default sizetype and bitsizetype.
11802 2006-03-29 Roger Sayle <roger@eyesopen.com>
11804 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11805 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11806 quickly if the argument is already of the correct type.
11807 Call fold_build1 instead of build1. Tidy up blank lines.
11809 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11811 * genemit.c (main): Add tm-constrs.h to included headers.
11812 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11813 * genpeep.c (main): Add tm-constrs.h to included headers.
11814 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11815 (write_tm_constrs_h): this and write complete file.
11816 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11817 (write_insn_preds_c): Add tm-constrs.h to included headers.
11818 (gen_constrs): New variable.
11819 (parse_option): Parse "-c".
11820 (main): Invoke write_tm_constrs_h.
11821 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11822 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11823 (object_out_file): Add tm-constrs.h dependency.
11824 (insn-emit.o): Same.
11825 (insn-output.o): Same.
11826 (insn-peep.o): Same.
11827 (insn-preds.o): Same.
11828 (insn-recog.o): Same.
11829 (tm-constsr.h): New target.
11830 (s-constrs-h): New target.
11832 * config/rs6000/constraints.md: New file.
11833 * config/rs6000/rs6000.c: Include tm-constrs.h.
11834 (num_insn_constant_wide): Convert to satisfies_constraint.
11835 (rs6000_rtx_costs): Convert to satisfies_constraint.
11836 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11837 (CONST_OK_FOR_LETTER_P): Delete.
11838 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11839 (EXTRA_CONSTRAINT): Delete.
11840 (EXTRA_MEMORY_CONSTRAINT): Delete.
11841 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11842 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11843 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11844 satisfies_constraint.
11846 * config/i386/i386.c: Include tm-constrs.h.
11848 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11850 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11851 * tree-data-ref.c (find_data_references_in_loop,
11852 compute_data_dependences_for_loop): Use pointers to VEC.
11853 (analyze_all_data_dependences): Adjust calls.
11854 * tree-data-ref.h (find_data_references_in_loop,
11855 compute_data_dependences_for_loop): Adjust declarations.
11856 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11857 compute_data_dependences_for_loop.
11859 2006-03-29 Paul Brook <paul@codesourcery.com>
11861 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11862 (movdf_vfp): Ditto.
11864 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11866 PR tree-optimization/26859
11867 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11869 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11870 for the step after fold_convert.
11872 2006-03-29 Paul Brook <paul@codesourcery.com>
11874 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11875 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11877 2006-03-29 Paul Brook <paul@codesourcery.com>
11879 PR middle-end/23623
11880 * targhooks.c (default_narrow_bitfield): New fuction.
11881 * targhooks.h (default_narrow_bitfield): add prototype.
11882 * target.h (gcc_target): Add narrow_volatile_bitfield.
11883 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11884 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11885 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11886 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11888 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11890 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11892 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11893 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11894 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11895 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11896 (s390_function_arg_float): Allow SDmode and DDmode values to be
11897 passed in floating point registers.
11898 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11899 check with SCALAR_FLOAT_MODE_P.
11900 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11902 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11904 PR tree-optimization/25985
11905 * tree-ssa-loop-niter.c (number_of_iterations_le,
11906 number_of_iterations_ne): Make comments more precise.
11907 (number_of_iterations_cond): Add only_exit argument. Use the
11908 fact that signed variables do not overflow only when only_exit
11910 (loop_only_exit_p): New.
11911 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11912 number_of_iterations_cond.
11914 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11916 PR tree-optimization/26643
11917 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11920 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11922 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11923 (divsi3_i4_int): Likewise.
11925 2006-03-28 Roger Sayle <roger@eyesopen.com>
11927 * expr.c (emit_group_store): Only create a new pseudo reg if the
11928 quantity it needs to hold isn't already a suitable pseudo.
11930 2006-03-28 Jeff Law <law@redhat.com>
11932 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11933 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11935 2006-03-28 Roger Sayle <roger@eyesopen.com>
11937 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11938 the equivalent ~X & Y, and the symmetry related transformations.
11939 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11940 ~X & Y, and symmetry related transforms.
11942 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11944 Revert my 2006-03-27 patches.
11946 2006-03-28 Roger Sayle <roger@eyesopen.com>
11948 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11949 ~(T1)X, when T1 and T2 are integer types of the same precision
11950 and (T2)X isn't an extension.
11952 2006-03-28 Jeff Law <law@redhat.com>
11954 PR tree-optimization/26796
11955 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11956 need EH edge cleanups rather than purging them immediately.
11957 (eliminate_degenerate_phis): Handle queued EH cleanups.
11959 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11961 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11964 2006-03-27 Roger Sayle <roger@eyesopen.com>
11966 PR middle-end/22524
11967 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11968 cast BIT_NOT_EXPR operand to the correct type.
11970 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11972 * tree-loop-linear.c: Don't include varray.h.
11973 (gather_interchange_stats, try_interchange_loops,
11974 linear_transform_loops): Use VEC instead of VARRAY.
11975 * lambda-mat.c: Don't include varray.h.
11976 * tree-chrec.c: Same.
11977 * lambda-trans.c: Same.
11978 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11979 VEC instead of VARRAY.
11980 * tree-vectorizer.h: Idem.
11981 * tree-data-ref.c (dump_data_references,
11982 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11983 initialize_data_dependence_relation, finalize_ddr_dependent,
11984 compute_all_dependences, find_data_references_in_loop,
11985 compute_data_dependences_for_loop, analyze_all_data_dependences,
11986 free_dependence_relation, free_dependence_relations,
11987 free_data_refs): Idem.
11988 * tree-data-ref.h (data_reference_p, subscript_p): New.
11989 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11990 VEC instead of VARRAY.
11991 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11992 (find_data_references_in_loop, compute_data_dependences_for_loop,
11993 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11994 dump_data_dependence_relations, free_dependence_relations,
11995 free_data_refs): Adjust declaration.
11996 (lambda_transform_legal_p): Move declaration here...
11997 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11998 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11999 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
12000 vect_analyze_data_refs): Use VEC instead of VARRAY.
12001 * lambda.h (lambda_transform_legal_p): ...from here.
12002 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
12003 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
12004 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
12005 tree-chrec.o): Don't depend on VARRAY_H.
12007 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12009 * rtl.def (Copyright): Update date.
12010 (DEPS_LIST): Change type of the second operand to 'int'.
12011 * target.h (Copyright): Update date.
12012 (struct gcc_target.speculate_insn): Change type of the second parameter
12014 * lists.c (Copyright): Update date.
12015 (alloc_DEPS_LIST): Change signature. Update reference to the second
12016 operand of the DEPS_LIST.
12017 (copy_DEPS_LIST_list): Update reference to the second operand of the
12019 * rtl.h (Copyright): Update date.
12020 (alloc_DEPS_LIST): Update signature.
12021 * sched-int.h (Copyright): Update date.
12022 (ds_t): Change typedef to 'int'.
12023 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
12025 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12027 * haifa-sched.c (Copyright): Update date.
12028 (try_ready): Change condition to restore non-speculative pattern
12029 of the instruction.
12030 (process_insn_depend_be_in_spec): Code to keep probability of the
12031 speculative dependence non-decreasing.
12033 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
12035 * regrename.c (replace_oldest_value_addr): Initialize a variable to
12036 shut up the compiler.
12038 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
12040 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
12041 to use lib prefix for target.
12042 ($(T)libic_invalidate_array_4-200.a): Likewise.
12043 ($(T)libic_invalidate_array_4a.a): Likewise.
12045 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
12046 J"orn Rennecke <joern.rennecke@st.com>
12048 * superh.opt: New file.
12049 * sh.c (boardtype, osruntime): Remove.
12050 * superh.h (SUBTARGET_OPTIONS): Remove.
12051 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
12053 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
12054 arguments with ^ and/or [].
12056 * config.gcc (sh-*-*): Add quoting to account for quirk of
12058 Replace == with = in enable_incomplete_targets test.
12060 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
12061 with MASK_LITTLE_ENDIAN.
12063 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
12064 * config/sh/sh.opt: Added to some comments.
12065 * config/sh/superh.h: Removed some chaff.
12067 * config/sh/sh.opt: Add m4-[1234]00* options.
12068 * config/sh/sh.c (sh_handle_option): Likewise.
12069 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
12070 (ic_invalidate_array_4-100.o): New rule.
12071 ($(T)libic_invalidate_array_4-100.a): Likewise.
12072 (ic_invalidate_array_4-200.o): Likewise.
12073 ($(T)libic_invalidate_array_4-200.a): Likewise.
12074 (ic_invalidate_array_4a.o): Likewise.
12075 ($(T)libic_invalidate_array_4a.a): Likewise.
12076 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
12077 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
12079 * config/sh/crt1.asm: Merged in profiling code.
12080 * config/sh/superh.h (STARTFILE_SPEC): Override.
12081 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
12082 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
12083 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
12085 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
12086 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
12087 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
12089 * sh.opt (mpretend-cmove): New option.
12090 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
12091 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
12092 (movsicc): Add TARGET_PRETEND_CMOVE code.
12094 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
12096 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
12097 s390_class_max_nregs): New function prototypes.
12098 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
12099 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
12100 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
12101 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
12103 2006-03-26 Geoffrey Keating <geoffk@apple.com>
12105 * dwarf2out.c (add_location_or_const_value_attribute): Call
12106 tree_add_const_value_attribute if nothing else works.
12107 (reference_to_unused): New.
12108 (rtl_for_decl_init): Use reference_to_unused to decide whether
12109 to output an initializer.
12111 2006-03-27 Alan Modra <amodra@bigpond.net.au>
12114 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
12115 peephole removing spe frob_di_df_2.
12117 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
12119 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
12120 (subscript_dependence_tester_1): Declared.
12121 (print_dir_vectors, print_dist_vectors): New.
12122 (debug_data_dependence_relation): New.
12123 (dump_data_dependence_relation): Print more details.
12124 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
12125 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
12126 (save_dist_v, save_dir_v, add_outer_distances,
12127 build_classic_dist_vector_1): New.
12128 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
12129 Don't test for lambda_vector_lexico_pos.
12130 (same_access_functions, add_multivariate_self_dist,
12131 add_other_self_distances, dir_from_dist): New.
12132 (build_classic_dir_vector): Replace implementation almost identical to
12133 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
12135 (subscript_dependence_tester_1): New.
12136 (subscript_dependence_tester): Handle the lexicographically negative
12137 distance vectors by recomputing the dependence relation.
12138 (compute_affine_dependence): Remove parameter loop_nest_depth.
12139 (compute_self_dependence): Don't call compute_subscript_distance.
12140 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
12141 Add a parameter for the loop_nest.
12142 (find_loop_nest_1, find_loop_nest): New.
12143 (compute_data_dependences_for_loop): Compute the loop nest, and give
12144 up if the nest is not well formed.
12145 * tree-data-ref.h (loop_p): New.
12146 (struct data_dependence_relation): Replace size_vect field with
12147 loop_nest, a vec of loops.
12148 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
12149 (DDR_LOOP_NEST): New.
12150 (print_dir_vectors, print_dist_vectors,
12151 debug_data_dependence_relation): Declared.
12152 (index_in_loop_nest): New.
12153 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
12154 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
12157 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
12159 * simplify-rtx.c (simplify_relational_operation): Call
12160 simplify_relational_operation_1 even if mode is VOIDmode.
12162 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12164 PR tree-optimization/26804
12165 * tree.h (DECL_CALL_CLOBBERED): New macro.
12166 (tree_decl_common): Add call_clobbered_flag.
12167 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12168 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12169 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12170 (mark_non_addressable): Ditto.
12171 * tree-ssa.c (verify_call_clobbered): New function.
12172 (verify_alias_info): Use it.
12173 * tree-pass.h (pass_reset_cc_flags): New prototype.
12174 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12175 (reset_cc_flags): New function.
12176 * passes.c (init_optimization_passes): Call reset_cc_flags after
12177 initializing referenced_vars.
12179 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12180 Roger Sayle <roger@eyesopen.com>
12182 PR middle-end/26717
12183 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12184 to 1.0 for non-real operands. Implement A / A optimization for
12187 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12189 * config/i386/i386.c (size_cost): Correct the comment for
12190 cost of storing fp registers.
12191 (i386_cost): Likewise.
12192 (i486_cost): Likewise.
12193 (pentium_cost): Likewise.
12194 (pentiumpro_cost): Likewise.
12195 (k6_cost): Likewise.
12196 (athlon_cost): Likewise.
12197 (k8_cost): Likewise.
12198 (pentium4_cost): Likewise.
12199 (nocona_cost): Likewise.
12200 (generic64_cost): Likewise.
12201 (generic32_cost): Likewise.
12203 2006-03-24 Denis Chertykov <denisc@overta.ru>
12205 * config/avr/avr-protos.h (extra_constraint): Delete.
12206 (extra_constraint_Q): New declaration.
12207 * config/avr/constraints.md: New file.
12208 * config/avr/avr.md: Include it.
12209 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12210 (TMP_REGNO, ZERO_REGNO): Likewise.
12211 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12212 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12213 (extra_constraint): Delete.
12214 (extra_constraint_Q): Test for memory constraint 'Q'.
12215 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12216 (REG_CLASS_FROM_LETTER): Delete.
12217 (CONST_OK_FOR_LETTER_P): Delete.
12218 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12219 (EXTRA_CONSTRAINT): Delete.
12220 (TMP_REGNO): Delete.
12221 (ZERO_REGNO): Delete.
12223 2006-03-24 Jeff Law <law@redhat.com>
12225 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12226 directly. Call mark_new_vars_to_rename slightly earlier.
12228 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12230 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12231 (is_cxx): Likewise.
12232 (gen_compile_unit_die): Use new language types for Objective-C and
12234 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12235 DW_LANG_C_plus_plus.
12238 * config/t-darwin (crt3.o): Work around bug 26840.
12239 * config/darwin-crt3.c: Rewrite.
12240 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12242 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12244 * doc/invoke.texi: Document -femit-class-debug-always
12245 * common.opt: Add -femit-class-debug-always.
12247 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12249 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12250 index and base register.
12251 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12252 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12253 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12254 REGNO_OK_FOR_INDEX_P.
12255 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12257 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12258 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12259 REG_OK_FOR_BASE_P): Definitions removed.
12261 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12263 PR middle-end/26611
12264 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12265 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12266 set yet or weren't marked as local yet.
12268 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12270 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12273 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12275 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12276 (rs6000_legitimate_small_data_p): Delete.
12277 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12278 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12279 and make static. Add forward declaration. Update uses.
12280 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12281 of offsettable_memref_p.
12282 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12283 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12285 2006-03-24 Jeff Law <law@redhat.com>
12287 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12288 around bug in immediate-use iterator.
12290 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12293 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12294 or __LITTLE_ENDIAN__.
12296 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12298 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12299 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12300 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12301 * config/sh/sh.opt (mdiv=): Amend description.
12302 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12303 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12304 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12305 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12306 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12307 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12308 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12309 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12310 TARGET_DIVIDE_CALL_FP.
12312 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12314 * haifa-sched.c (choose_ready): Fix type of the local variable.
12315 Move local variables. Add comment.
12316 (check_reg_live): Change signature. Make callable from debugger.
12317 * sched-int.h (check_reg_live): Update signature.
12318 * sched-ebb.c (check_reg_live): Update parameters.
12319 * sched-rgn.c (check_reg_live): Ditto.
12320 (region_head_or_leaf_p): Check pointer before dereferencing.
12321 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12322 before reload on optimization levels below 1.
12324 2006-03-23 Richard Henderson <rth@redhat.com>
12326 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12330 * config/alpha/predicates.md (local_symbolic_operand): Reject
12333 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12336 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12337 expressions which have overflowed constants.
12339 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12341 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12343 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12345 * cfgloopmanip.c (create_loop_notes): Removed.
12346 * final.c (final_scan_insn): Do not handle loop notes.
12347 * jump.c (squeeze_notes): Ditto.
12348 * cfglayout.c (skip_insns_after_block,
12349 duplicate_insn_chain): Ditto.
12350 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12352 * cfgloop.h (create_loop_notes): Declaration removed.
12354 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12356 * varasm.c (output_constant_pool): Restore fnname and fndecl
12358 (assemble_start_function): Adjust call accordingly.
12359 (assemble_end_function): Likewise.
12361 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12364 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12367 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12369 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12372 * system.h (ICE_EXIT_CODE): New macro.
12373 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12374 (diagnostic_action_after_output): Likewise.
12375 * gcc.c (fatal_ice): New function.
12376 (execute): Use it instead of fatal.
12377 (fancy_abort): Likewise.
12378 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12380 2006-03-22 Jeff Law <law@redhat.com>
12382 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12383 iv_analyze_result returning false.
12385 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12387 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12389 2006-03-22 Richard Henderson <rth@redhat.com>
12391 PR middle-end/26084
12392 * except.c (duplicate_eh_regions_0): New.
12393 (duplicate_eh_region_1): Duplicate the children of the node as
12394 well as the node itself. Link them up properly.
12395 (duplicate_eh_region_2): Merge into ...
12396 (duplicate_eh_regions): ... here. Take copy_region argument, and
12397 copy only a sub-tree if asked. Simplify copying and fixup.
12398 (eh_region_outer_p): New.
12399 * except.h (duplicate_eh_regions): Update decl.
12400 (eh_region_outer_p): Declare.
12401 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12402 (lower_omp_master): Likewise.
12403 (lower_omp_ordered): Likewise.
12404 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12405 (move_stmt_r): Use it to remap labels. Handle recursion vs
12406 remap_decls_p properly.
12407 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12408 (find_outermost_region_in_block): New.
12409 (new_label_mapper): New.
12410 (move_sese_region_to_fn): Copy eh information to the new function
12412 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12414 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12417 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12419 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12420 into shared libraries.
12422 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12424 * doc/md.texi: Refer to i386/constraints.md instead of
12425 i386/predicates.md.
12426 * config/i386/constraints.md: New file, extracted from...
12427 * config/i386/predicates.md: ...here.
12428 * config/i386/i386.md: Include constraints.md.
12430 2006-03-21 Jason Merrill <jason@redhat.com>
12432 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12434 PR middle-end/20297
12435 * expr.c (init_block_move_fn): Force default visibility.
12436 (init_block_clear_fn): Likewise.
12437 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12438 * targhooks.c (default_external_stack_protect_fail): Likewise.
12440 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12442 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12443 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12444 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12445 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12446 (loadgp): Use mips_current_loadgp_style.
12447 (loadgp_noshared): New pattern.
12448 (sibcall_internal): Use MIPS_CALL.
12449 (sibcall_value_internal): Likewise.
12450 (sibcall_value_multiple_internal): Likewise.
12451 (call_internal): Likewise.
12452 (call_value_internal): Likewise.
12453 (call_value_multiple_internal): Likewise.
12454 (call_split): Use MIPS_CALL and add an 'S' constraint.
12455 (call_value_split): Likewise.
12456 (call_value_multiple_split): Likewise.
12457 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12458 (-mshared): New option.
12459 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12460 (mips_current_loadgp_style): Declare.
12461 * config/mips/mips.c (mips_classify_symbol): Avoid using
12462 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12463 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12464 TARGET_ABSOLUTE_ABICALLS.
12465 (override_options): Adjust comments. Improve the warning that is
12466 issued when -mabicalls and -G are used together.
12467 (mips_file_start): Remove comment.
12468 (mips_current_loadgp_style): New function.
12469 (mips_gnu_local_gp): New variable.
12470 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12472 (mips_output_function_prologue): Use mips_current_laodgp_style.
12473 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12474 the cprestore instruction.
12475 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12476 live for TARGET_ABSOLUTE_ABICALLS.
12477 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12478 (ASM_SPEC): Pass down -mshared and -mno-shared.
12479 (MIPS_CALL): New macro.
12480 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12482 * doc/invoke.texi (-mabicalls): Update documentation.
12483 (-mshared): Document.
12485 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12487 * config/ia64/unwind-hpux.c: New file.
12488 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12490 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12493 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12495 2006-03-21 Jeff Law <law@redhat.com>
12497 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12498 type conversions of a VR_VARYING source to a wider type.
12500 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12502 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12503 tm_file on Solaris 10 and later.
12504 (sparc64-*-solaris2*): Likewise.
12505 (sparc-*-solaris2*): Likewise.
12506 * config/sol26.h: Rename to config/sol2-6.h.
12507 * config/sol2-10.h: New file.
12509 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12512 * tree-ssa-pre.c (create_component_ref_by_pieces):
12515 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12518 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12519 return it immediately.
12521 2006-03-21 Michael Matz <matz@suse.de>
12523 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12525 (remove_arc, add_arc): Update num_out_arcs member.
12526 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12528 (cache_presence): New function.
12529 (compare_states_for_equiv): New function.
12530 (state_is_differed): Don't take number of outargs, adjust callers.
12531 Use new invariant for speeding up.
12532 (init_equiv_class): Create initial classes based on sorted
12534 (partition_equiv_class): Don't track out_arcs_num.
12535 (evaluate_equiv_classes): Call cache_presence on all states and
12538 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12540 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12541 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12542 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12543 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12545 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12546 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12547 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12548 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12549 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12551 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12552 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12553 (REGNO_REG_CLASS): ARGP is in PREGS.
12554 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12556 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12557 to deal with those addresses.
12558 * addresses.h: New file.
12559 * caller-save.c: Include "addresses.h".
12560 (init_caller_save): Use new base_reg_class function.
12561 * rtl-factoring.c: Include "addresses.h".
12562 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12563 * recog.c: Include "addresses.h".
12564 (preprocess_constraints): Use new base_reg_class function.
12565 * regrename.c: Include "addresses.h".
12566 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12567 functions. Keep track of a new var INDEX_CODE to compute valid
12569 (replace_oldest_value_addr): Likewise.
12570 (replace_oldest_value_mem): Use base_reg_class.
12571 * reload.c: Include "addresses.h".
12572 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12573 (find_reloads): Use new base_reg_class function.
12574 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12575 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12576 all callers and prototype changed.
12577 * reload1.c: Include "addresses.h".
12578 (maybe_fix_stack_asms): Use base_reg_class.
12579 * regclass.c: Include "addresses.h".
12580 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12581 (init_reg_autoinc): Use new base_reg_class function.
12582 (record_reg_classes): Likewise.
12583 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12584 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12585 Use new args to compute necessary class.
12587 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12588 regrename.o, rtl-factoring.o): Update dependencies.
12589 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12590 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12591 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12592 REG_OK_FOR_INDEX_P): Delete documentation.
12594 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12596 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12597 from V7 to V9 for Solaris 7 and above.
12599 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12601 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12602 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12603 argument pointers may not alias any other storage.
12604 * common.opt: Define option -fargument-noalias-anything.
12605 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12606 alias semantics is specified by flag_argument_noalias > 2.
12608 2006-03-20 Jeff Law <law@redhat.com>
12610 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12611 (pass_phi_only_cprop): Declare.
12612 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12613 with phi_only_cprop
12614 * tree-ssa-dom.c (degenerate_phi_result): New function.
12615 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12616 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12617 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12618 (eliminate_degenerate_phis): Likewise.
12619 (pass_phi_only_cprop): New pass descriptor.
12620 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12621 support code. Callers updated.
12622 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12623 (store_copy_prop): Likewise.
12624 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12626 2006-03-20 Jason Merrill <jason@redhat.com>
12629 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12630 (push_visibility, pop_visibility): Likewise.
12631 * c-pragma.h: Declare them.
12633 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12635 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12637 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12638 parameter and use get_ebb_head_tail.
12639 (sh_md_init_global): Adjust uses of find_regmode_weight.
12641 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12643 * function.h (struct function) <x_tail_recursion_reentry>:
12644 Rename to x_stack_check_probe_note.
12645 (tail_recursion_reentry): Rename to stack_check_probe_note.
12646 * function.c: Replace tail_recursion_reentry with
12647 stack_check_probe_note everywhere.
12648 (expand_function_start): Only emit a note for
12649 stack_check_probe_note with -fstack-protect.
12650 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12652 * emit-rtl.c (remove_unnecessary_notes): Remove.
12653 (pass_remove_unnecessary_notes): Remove.
12654 * rtl.h (remove_unnecessary_notes): Remove prototype.
12655 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12656 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12657 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12659 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12662 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12663 (valid_in_set): Handle ARRAY_REF.
12664 Change "if min_variant or VH" to asserts.
12665 (create_component_ref_by_pieces): Handle ARRAY_REF.
12666 (create_expression_by_pieces): Likewise.
12667 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12669 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12671 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12672 is operand of switch, not str[0].
12674 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12676 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12677 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12679 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12681 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12682 end of insn_extra_address_constraint declaration.
12684 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12686 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12687 (no-sum-in-toc): Same.
12688 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12690 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12691 NO_FP_IN_TOC for -fPIC instead of mask.
12693 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12694 (BOOT_LDFLAGS): Delete.
12696 * config/rs6000/t-aix52: Same.
12698 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12699 (stmsi[345678]_power): New.
12701 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12703 * config/ia64/ia64.opt: Add empty line to end of file.
12705 2006-03-17 Richard Guenther <rguenther@suse.de>
12707 PR middle-end/26721
12708 * builtins.c (get_pointer_alignment): For component style references
12709 adjust alignment to the component type alignment. Make sure
12710 to adjust alignment for component access of constants.
12712 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12714 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12715 unconditional jump.
12717 2006-03-17 Paul Brook <paul@codesourcery.com>
12719 * doc/install.texi: Docuemnt --with-mode.
12720 * config.gcc: Add --with-mode for arm*-*-*.
12721 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12723 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12725 * sh.c (max_labelno_before_reorg): New variable.
12726 (sh_reorg): Initialize it.
12727 (find_barrier): Check max_labelno_before_reorg before using
12728 label_to_alignment. Take length of explicit alignment insns
12729 into account. When seeing a UNSPECV_CONST_END, return it.
12731 * sh.c (fixup_mova): Set mode of affected label to QImode.
12732 (untangle_mova): New function.
12733 (find_barrier): Use it. Check mode of label before decrementing
12735 (sh_reorg): Likewise.
12736 Set mode of all insns back to VOIDmode.
12738 * sh.c (MOVA_LABELREF): New macro.
12739 (mova_p, fixup_mova, sh_reorg): Use it.
12740 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12741 ADDR_DIFF_VEC matches mova.
12743 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12745 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12746 with ATTRIBUTE_UNUSED.
12748 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12750 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12751 pointer, instead of assuming it is possible to derive the
12752 correct args size from a call insn.
12754 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12756 * rtl.h (CONST_INT_P): Define.
12757 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12758 instead of GET_CODE(x) == CONST_INT.
12759 (vax_rtx_costs): Likewise.
12760 (vax_output_int_move): Likewise.
12761 (vax_output_int_add): Likewise.
12762 (legitimate_constant_address_p): Likewise.
12763 (index_term_p): Likewise.
12764 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12765 * config/vax/vax.md (and<mode>3): Likewise.
12766 (ashrsi3): Likewise.
12768 (movstricthi): Likewise.
12769 (movstrictqi): Likewise.
12770 (rotrsi3): Likewise.
12771 (five unnamed insns): Likewise.
12773 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12775 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12776 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12777 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12778 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12779 Pass to ASM_OUTPUT_DWARF_OFFSET.
12780 * dwarf2out.c (debug_frame_section): New.
12781 (output_call_frame_info): Use debug_frame_section. Pass it to
12782 dw2_asm_output_offset.
12783 (output_die): Pass appropriate section to dw2_asm_output_offset.
12784 (output_compilation_unit_header): Likewise.
12785 (output_pubnames): Likewise.
12786 (output_aranges): Likewise.
12787 (enum dw_val_class): Break dw_val_class_lbl_offset into
12788 dw_val_class_lineptr and dw_val_class_macptr.
12789 (add_AT_lbl_offset): Delete.
12790 (add_AT_lineptr): New.
12791 (add_AT_macptr): New.
12792 (AT_lbl): Expect a lineptr or macptr.
12793 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12794 (attr_checksum): Likewise.
12795 (same_dw_val_p): Likewise.
12796 (size_of_die): Likewise.
12797 (value_format): Likewise.
12798 (output_die): Likewise.
12799 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12801 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12802 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12803 * config/darwin-protos.h (darwin_file_start): New.
12804 (darwin_asm_output_dwarf_offset): New.
12805 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12806 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12808 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12809 if not EH section; simplify.
12810 (darwin_file_start): New.
12811 (darwin_asm_output_dwarf_offset): New.
12812 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12814 (DEBUG_INFO_SECTION): Likewise.
12815 (DEBUG_ABBREV_SECTION): Likewise.
12816 (DEBUG_ARANGES_SECTION): Likewise.
12817 (DEBUG_MACINFO_SECTION): Likewise.
12818 (DEBUG_LINE_SECTION): Likewise.
12819 (DEBUG_LOC_SECTION): Likewise.
12820 (DEBUG_PUBNAMES_SECTION): Likewise.
12821 (DEBUG_STR_SECTION): Likewise.
12822 (DEBUG_RANGES_SECTION): Likewise.
12823 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12824 (ASM_OUTPUT_DWARF_OFFSET): New.
12826 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12828 * config.gcc (tm_defines): Always add to previous value rather
12831 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12833 * config/mips/predicates.md (splittable_const_int_operand): New,
12834 split from move_operand.
12835 (splittable_symbolic_operand): New.
12836 (move_operand): Add commentary. Use splittable_const_int_operand.
12837 Inline mips_atomic_symbolic_constant_p.
12838 * config/mips/mips.md: Add combine splitters for handling moves
12839 of splittable_const_int_operands and splittable_symbolic_operands.
12840 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12841 (mips_split_symbol): Declare.
12842 (mips_move_integer): Declare.
12843 * config/mips/mips.c (mips_split_p): Make global.
12844 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12845 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12846 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12847 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12848 (mips_offset_within_object_p): Handle block symbols.
12849 (mips_atomic_symbolic_constant_p): Delete.
12850 (mips_cannot_force_const_mem): Return false for constants that
12851 mips_legitimize_move can handle.
12852 (mips_use_blocks_for_constant_p): New function.
12853 (mips_split_symbol): Make global.
12854 (mips_move_integer): Likewise. Add a temporary register argument.
12855 (mips_legitimize_const_move): Use splittable_const_int_operand and
12856 splittable_symbolic_operand.
12857 (mips_use_anchors_for_symbol_p): New function.
12858 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12859 (mips_split_p): Declare.
12861 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12863 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12864 (mips*-*-linux*): Likewise.
12866 2006-03-16 Roger Sayle <roger@eyesopen.com>
12867 Daniel Speyer <dspeyer@wam.umd.edu>
12869 PR middle-end/18259
12870 * tree-dump.c (dump_real): New function.
12871 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12872 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12873 (tree-dump.o): Add $(REAL_H) to the dependencies.
12875 2006-03-16 Roger Sayle <roger@eyesopen.com>
12877 PR middle-end/21781
12878 * real.c (real_from_string): If the mantissa is zero, don't bother
12879 parsing the exponent as the result should always be zero.
12881 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12883 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12885 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12887 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12888 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12889 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12890 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12891 ia64_sched_finish_global): New static functions to implement
12892 hooks from gcc_target.sched.
12893 (spec_check_no, max_uid, pending_data_specs): New static variables.
12894 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12895 ia64_spec_check_src_p): New static functions.
12896 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12897 (TARGET_SCHED_ADJUST_COST): Removed.
12898 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12899 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12900 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12901 TARGET_SCHED_GEN_CHECK,
12902 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12903 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12904 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12905 Fixed to handle speculation checks.
12906 (rtx_needs_barrier): Fixed to handle speculative loads and
12908 (ia64_variable_issue): Added code to count speculative loads and their
12910 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12912 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12914 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12916 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12917 (ia64_reorg): Reset stops_p to NULL after it is freed.
12918 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12919 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12920 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12922 (data_speculative, control_speculative, check_load): New attributes.
12923 (mov<mode>_advanced, mov<mode>_speculative,
12924 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12925 zero_extend<mode>di2_speculative,
12926 zero_extend<mode>di2_speculative_advanced): New patterns for
12927 data and control speculative loads.
12928 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12930 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12931 New pattern for data and control speculation checks.
12932 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12933 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12934 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12935 Auxiliary definitions for the patterns.
12936 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12937 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12939 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12941 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12942 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12943 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12944 New resource constraints.
12945 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12947 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12948 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12949 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12950 msched-in-control-spec, msched-ldc, msched-control-ldc,
12951 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12952 msched-prefer-non-control-spec-insns,
12953 msched-count-spec-in-critical-path): New flags to tune speculative
12955 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12956 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12957 msched-in-control-spec, msched-ldc, msched-control-ldc,
12958 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12959 msched-prefer-non-control-spec-insns,
12960 msched-count-spec-in-critical-path): Document new flags.
12962 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12964 * target.h (struct spec_info_def): New opaque declaration.
12965 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12966 speculate_insn, needs_block_p, gen_check,
12967 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12968 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12969 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12970 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12971 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12972 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12974 (TARGET_SCHED): Use new macros.
12975 * rtl.h (copy_DEPS_LIST_list): New prototype.
12976 * sched-int.h (struct sched_info): Change signature of new_ready field,
12977 adjust all initializations. New fields: add_remove_insn,
12978 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12979 region_head_or_leaf_p.
12980 (struct spec_info_def): New structure declaration.
12981 (spec_info_t): New typedef.
12982 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12983 recovery_block, orig_pat.
12984 (glat_start, glat_end): New variables declaraions.
12985 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12987 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12988 DETACH_LIFE_INFO, USE_GLAT.
12989 (enum SPEC_SCHED_FLAGS): New enumeration.
12990 (NOTE_NOTE_BB_P): New macro.
12991 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12992 attach_life_info, debug_spec_status, check_reg_live): New functions.
12993 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12994 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12996 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12997 * ddg.c (get_block_head_tail): Adjust all uses.
12998 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12999 (sms_sched_info): Initialize new fields.
13000 (contributes_to_priority): Removed.
13001 * haifa-sched.c (params.h): New include.
13002 (get_block_head_tail): Adjust all uses.
13003 (ISSUE_POINTS): New macro.
13004 (glat_start, glat_end): New global variables.
13005 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
13006 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
13007 old_last_basic_block, before_recovery, current_sched_info_var,
13008 rgn_n_insns, luid): New static variables.
13009 (insn_cost1): New function. Move logic from insn_cost to here.
13010 (find_insn_reg_weight1): New function. Move logic from
13011 find_insn_reg_weight to here.
13012 (reemit_notes, move_insn, max_issue): Change signature.
13013 (move_insn1): Removed.
13014 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
13015 extend_bb): New static functions to support extension of scheduler's
13017 (generate_recovery_code, process_insn_depend_be_in_spec,
13018 begin_speculative_block, add_to_speculative_block,
13019 init_before_recovery, create_recovery_block, create_check_block_twin,
13020 fix_recovery_deps): New static functions to support
13021 generation of recovery code.
13022 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
13023 restore_bb_notes, move_block_after_check, move_succs): New static
13024 functions to support ebb scheduling.
13025 (init_glat, init_glat1, attach_life_info1, free_glat): New static
13026 functions to support handling of register live information.
13027 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
13028 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
13029 add_jump_dependencies): New static functions.
13030 (check_cfg, has_edge_p, check_sched_flags): New static functions for
13031 consistancy checking.
13032 (debug_spec_status): New function to call from debugger.
13033 (priority): Added code to handle speculation checks.
13034 (rank_for_schedule): Added code to distinguish speculative instructions.
13035 (schedule_insn): Added code to handle speculation checks.
13036 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
13037 Fixed to handle ebbs.
13038 (move_insn): Added code to handle ebb scheduling.
13039 (max_issue): Added code to use ISSUE_POINTS of instructions.
13040 (choose_ready): Added code to choose between speculative and
13041 non-speculative instructions.
13042 (schedule_block): Added code to handle ebb scheduling and scheduling of
13043 speculative instructions.
13044 (sched_init): Initialize new variables.
13045 (sched_finish): Free new variables. Print statistics.
13046 (try_ready): Added code to handle speculative instructions.
13047 * lists.c (copy_DEPS_LIST_list): New function.
13048 * sched-deps.c (extend_dependency_caches): New function. Move logic
13049 from create_dependency_caches to here.
13050 (get_dep_weak, ds_merge): Make global.
13051 * genattr.c (main): Code to output prototype for
13052 dfa_clear_single_insn_cache.
13053 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
13054 (output_dfa_clean_insn_cache_func): Code to output
13055 dfa_clear_single_insn_cache function.
13056 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
13058 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
13060 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
13061 New static variables.
13062 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
13063 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
13065 (ebb_sched_info): Initialize new fields.
13066 (get_block_head_tail): Adjust all uses.
13067 (compute_jump_reg_dependencies): Fixed to use glat_start.
13068 (schedule_ebb): Code to remove unreachable last block.
13069 (schedule_ebbs): Added code to update register live information.
13070 * sched-rgn.c (region_sched_info): Initialize new fields.
13071 (get_block_head_tail): Adjust all uses.
13072 (last_was_jump): Removed. Adjust users.
13073 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
13074 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
13075 Implement new hooks.
13076 (check_dead_notes1): New static function.
13077 (struct region): New fields: dont_calc_deps, has_real_ebb.
13078 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
13079 (BB_TO_BLOCK): Fixed to handle EBBs.
13080 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
13081 (ebb_head): New static variable.
13082 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
13083 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
13085 (compute_dom_prob_ps): New assertion.
13086 (check_live_1, update_live_1): Fixed to work with glat_start instead of
13087 global_live_at_start.
13088 (init_ready_list): New assertions.
13089 (can_schedule_ready_p): Split update code to begin_schedule_ready.
13090 (new_ready): Add support for BEGIN_CONTROL speculation.
13091 (schedule_insns): Fixed code that updates register live information
13093 (schedule_region): Fixed to handle EBBs.
13094 (init_regions): Use extend_regions and check_dead_notes1.
13095 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
13096 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
13097 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
13098 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
13099 TARGET_SCHED_GEN_CHECK,
13100 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
13101 TARGET_SCHED_SET_SCHED_FLAGS): Document.
13102 * doc/invoke.texi (max-sched-insn-conflict-delay,
13103 sched-spec-prob-cutoff): Document.
13105 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13107 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
13108 inter_tick, queue_index.
13109 (struct sched_info): Change signature of init_ready_list field.
13110 Adjust all initializations.
13111 (RESOLVED_DEPS): New access macro.
13112 (ready_add): Remove prototype.
13113 (try_ready): Add prototype.
13114 * sched-rgn.c (init_ready_list): Use try_ready.
13115 (schedule_region): Initialize
13116 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
13117 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
13118 (init_ready_list): Use try_ready.
13119 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
13120 * lists.c (remove_list_elem): Remove `static'.
13121 (remove_free_INSN_LIST_elem): New function.
13122 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
13123 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
13124 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
13126 (readyp): New variable.
13127 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
13128 change_queue_index, resolve_dep): New static functions.
13129 (try_ready): New function. Adjust callers in sched-rgn.c and
13130 sched-ebb.c to use it instead of ready_add.
13131 (clock_var): Move at the begining of file.
13132 (rank_for_schedule): Fix typo.
13133 (queue_insn): Add assertion. Handle QUEUE_INDEX.
13134 (ready_lastpos): Enforce assertion.
13135 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
13136 update all callers.
13137 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
13138 (schedule_insn): Rewrite to use try_ready and resolve_dep.
13139 (queue_to_ready): Use free_INSN_LIST_list.
13140 (early_queue_to_ready): Fix typo.
13141 (schedule_block): Init readyp. Move init_ready_list call after the
13142 initialization of clock_var. Fix error in rejecting insn by
13143 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
13144 that previously corrected INSN_TICKs. Add code for handling
13146 (set_priorities): Fix typo.
13147 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
13148 Clarify comment and code that keeps current_sched_info->next_tail
13151 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13153 * sched-rgn.c (extend_rgns): New static function.
13154 (find_rgns): Use it.
13155 (gather_region_statistics, print_region_statistics): New static
13157 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
13158 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
13160 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
13161 Andrey Belevantsev <abel@ispras.ru>
13163 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13164 * lists.c (unused_deps_list): New variable.
13165 (free_list): Add assertions to verify the proper distinguishing
13166 between INSN_LISTs and DEPS_LISTs.
13167 (find_list_elem, remove_list_elem, remove_list_node): New static
13169 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13170 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13171 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13172 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13174 (free_INSN_LIST_node): Likewise.
13175 * modulo-sched.c (current_sched_info): Initialize flags field.
13176 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13177 * rtl.def (DEPS_LIST): Define.
13178 * rtl.h: Declare new functions from lists.c.
13179 * sched-deps.c (spec_dependency_cache): New static variable.
13180 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13181 (add_dependence): Change return type to void. Move the logic to ...
13182 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13183 (delete_all_dependences): Add comment about forward_dependency_cache.
13184 Handle spec_dependency_cache. Handle DEPS_LISTs.
13185 (fixup_sched_groups): Clarify the change of priority of output
13186 and anti dependencies.
13187 (sched_analyze_2): Adjust add_dependence calls to create data
13188 speculative dependence.
13189 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13190 Adjust all callers. Handle DEPS_LISTS.
13191 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13192 presence of speculation.
13193 (init_dependency_caches, free_dependency_caches):
13194 Handle spec_dependency_cache.
13195 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13196 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13197 New static functions.
13198 (add_or_update_back_dep, add_or_update_back_forw_dep,
13199 add_back_forw_dep, delete_back_forw_dep): New functions.
13200 * sched-int.h (ds_t, dw_t): New typedefs.
13201 (struct sched_info): Add new field flags.
13202 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13203 Prototype new sched-deps.c functions.
13204 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13205 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13206 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13207 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13208 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13209 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13211 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13213 * sched-rgn.c (current_sched_info): Initialize flags field.
13214 (schedule_insns): Initialize current_sched_info before the sched_init
13216 * sched-ebb.c (current_sched_info): Initialize flags field.
13217 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13218 Call add_or_update_back_dep instead of add_dependence.
13219 Create control speculative dependencies.
13220 (schedule_insns): Initialize current_sched_info before the sched_init
13223 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13225 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13227 (sh_fallback_frame_state): Likewise.
13229 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13231 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13232 Do switch on default_use_cxa_atexit.
13233 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13234 * config/darwin-crt3.o: New.
13235 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13236 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13237 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13239 * config/rs6000/t-darwin: Move crt2.o building to here.
13240 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13241 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13244 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13246 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13247 from '! xxx' to '!xxx' for coding-style conformance.
13248 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13249 (EXTRA_CONSTRAINT): Likewise.
13250 * config/vax/vax.md (four unnamed insns): Likewise.
13252 2006-03-15 Paul Brook <paul@codesourcery.com>
13254 * config/arm/arm.c (minipool_pad): New.
13255 (add_minipool_forward_ref): Include pool alignment padding in address
13257 (push_minipool_fix): Set minipool_pad.
13258 (minipool_pad): Ditto.
13260 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13262 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13263 instead of GET_CODE() == MEM and REG_P() instead of
13265 (print_operand_address): Likewise.
13266 (vax_address_cost): Likewise.
13267 (vax_rtx_costs): Likewise.
13268 (vax_notice_update_cc): Likewise.
13269 (vax_output_int_add): Likewise.
13270 (INDEX_REGISTER_P): Likewise.
13271 (BASE_REGISTER_P): Likewise.
13272 (nonindexed_address_p): Likewise.
13273 (vax_mode_dependent_address_p): Likewise.
13274 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13275 (PRINT_OPERAND): Likewise.
13276 * config/vax/vax.md (ashlsi3): Likewise.
13277 (ashlsi3): Likewise.
13278 (some more unnamed insns): Likewise.
13280 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13282 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13283 iterator-style macro.
13284 (mark_control_dependent_edges_necessary): Update the use of
13285 EXECUTE_IF_CONTROL_DEPENDENT.
13287 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13289 * config/sh/predicates.md (cache_address_operand): Special.
13290 (ua_address_operand): Likewise.
13292 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13294 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13296 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13298 2006-03-15 Andreas Schwab <schwab@suse.de>
13300 * gensupport.c (identify_predicable_attribute): Don't free p_false
13301 when it is still in use.
13303 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13305 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13306 the default setting here.
13308 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13310 * tree-pass.h (pass_cfg): Remove.
13311 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13312 * passes.c (pass_cfg): Don't run it.
13314 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13316 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13317 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13319 (stack_regs_mentioned): Update the uses of
13320 stack_regs_mentioned_data. Don't access the array beyond its
13322 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13323 Don't include gt-reg-stack.h.
13325 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13326 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13328 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13330 PR middle-end/26684
13331 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13334 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13336 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13338 2006-03-14 Richard Guenther <rguenther@suse.de>
13340 PR tree-optimization/26672
13341 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13344 2006-03-14 Richard Guenther <rguenther@suse.de>
13346 PR tree-optimization/26667
13347 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13348 node for the callees. Always allow inlining if it will shrink
13351 2006-03-14 Richard Guenther <rguenther@suse.de>
13353 PR middle-end/26659
13354 * builtins.c (get_pointer_alignment): Prefer alignment
13355 information from decls over that from types.
13357 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13360 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13362 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13364 * config/rs6000/rs6000.opt (mdlmzb): New option.
13365 (msched-prolog, msched-epilog): Use Var not Mask.
13366 * doc/invoke.texi (-mdlmzb): Document.
13367 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13369 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13370 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13372 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13374 PR rtl-optimization/25739
13375 * bt-load.c (augment_live_range): Free tos pointer.
13377 * gensupport.c (identify_predicable_attribute): Free
13379 * gcov.c (create_file_names): Free name pointer.
13381 2006-03-13 Roger Sayle <roger@eyesopen.com>
13383 PR middle-end/26557
13384 * stmt.c (emit_case_nodes): Handle the case where the index is a
13385 CONST_INT, where the comparison mode is specified by the index type.
13387 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13389 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13392 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13394 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13395 (*branch_fp_inverted): Likewise.
13397 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13399 PR middle-end/25989
13400 * omp-low.c (expand_omp_for_generic): Mark istart0
13401 and iend0 as addressable.
13403 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13405 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13407 2006-03-13 Jeff Law <law@redhat.com>
13409 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13410 virtual operands are interesting.
13411 (vrp_visit_stmt): Corresponding changes.
13413 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13415 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13417 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13418 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13419 * config/bfin/crti.S: Use it instead of __PIC__.
13420 * config/bfin/crtn.S: Likewise.
13422 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13423 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13425 Lose 'G' modifier for call operand.
13426 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13427 recognize 'G' modifier.
13429 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13431 PR middle-end/18859
13432 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13433 * stmt.c (expand_case): Likewise.
13435 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13437 PR rtl-optimization/26254
13438 * loop-invariant.c (seq_insns_valid_p): New function.
13439 (move_invariant_reg): Only emit new code if it is valid.
13441 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13443 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13445 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13446 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13447 (commit_one_edge_insertion): Do not look for loop notes.
13449 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13451 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13452 flag_test_coverage out of loop.
13454 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13456 * final.c (shorten_branches): Remove outdated comment, and turn
13457 the if branch that guards it to continue.
13459 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13461 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13462 * cfgloop.h (struct loop): Remove unused fields.
13464 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13466 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13467 (-dL, -fdump-rtl-loop2): Update the dump file names
13469 * doc/invoke.texi: Update dump file names.
13471 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13473 * predict.c (estimate_probability): Remove.
13474 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13475 * basic-block.h (estimate_probability): Remove prototype.
13476 * passes.c (finish_optimization_passes): Dump branch prediction or
13477 profiling heuristics to the .profile tree dump.
13478 (init_optimization_passes): Unqueue pass_branch_prob.
13480 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13482 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13484 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13485 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13487 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13489 * function.h (frame_offset_overflow): Declare.
13490 * function.c (frame_offset_overflow): New function.
13491 (assign_stack_local_1): Call it to detect that the offset overflows.
13492 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13494 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13496 * config/sh/sh.c: Include alloc-pool.h.
13497 (label_ref_list_pool): New alloc pool.
13498 (label_ref_list_t): New type for lists of labels.
13499 (struct pool_node): Make wend a label_ref_list_t.
13500 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13502 (dump_table): Likewise.
13503 (sh_reorg): Set up the alloc pool before using add_constant and
13504 dump_table, and destroy it when finishing.
13506 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13508 * config/mips/mips.c: Remove redundant comment.
13510 2006-03-10 Jason Merrill <jason@redhat.com>
13513 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13514 the target was declared 'register'.
13516 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13518 * genpreds.c (write_insn_constraint_len): Change definition of
13519 insn_constraint_len to return size_t to match the declaration.
13521 2006-03-10 DJ Delorie <dj@redhat.com>
13523 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13525 (m32c_expand_insv): Fix test for an AND mask.
13527 2006-03-10 Richard Guenther <rguenther@suse.de>
13529 PR middle-end/26565
13530 * builtins.c (get_pointer_alignment): Handle component
13531 references for field alignment.
13533 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13535 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13536 when building with libgloss.
13537 (sh*elf): Implement --without-fp option.
13538 (sh64-superh-linux*): Don't multilib.
13540 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13542 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13544 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13546 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13547 Set it when one of the replacement functions returned true.
13548 Return TODO_cleanup_cfg if cfgchanged is true.
13549 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13551 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13553 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13554 instead of gen_lowpart.
13556 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13558 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13560 (mips_output_order_conditional_branch): Declare.
13561 * config/mips/mips.h (MIPS_BRANCH): New macro.
13562 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13563 for the comparison. Use gen_condjump.
13564 (mips_output_conditional_branch): Rework interface to take the
13565 asm templates for a direct branch and the inverse of a direct branch.
13566 (mips_output_order_conditional_branch): New function.
13567 (mips_builtin_branch_and_move): New function.
13568 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13569 branch condition. Use gen_single_cc as the condition for
13570 __builtin_mips_upper_* or __builtin_mips_lower_*.
13571 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13572 Use VOIDmode for the branch condition.
13573 * config/mips/predicates.md (order_operator): New predicate.
13574 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13575 (branch_fp): Rename to...
13576 (*branch_fp): ...this. Remove mode from comparison operator.
13577 Use new mips_output_conditional_branch interface.
13578 (branch_fp_inverted): Rename to...
13579 (*branch_fp_inverted): ...this and update as for *branch_fp.
13580 (*branch_zero<mode>): Rename to...
13581 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13582 Use mips_output_order_conditional_branch. Only accept ordered
13584 (*branch_zero<mode>_inverted): Rename to...
13585 (*branch_order<mode>_inverted): ...this and update as for
13586 *branch_order<mode>.
13587 (*branch_equality<mode>): Accept zero as the second operand to
13588 the equality operator. Use the new mips_output_conditional_branch
13590 (*branch_equality<mode>_inverted): Likewise.
13591 (condjump): New expander.
13592 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13594 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13595 (bc1any2t, bc1any2f): Likewise.
13596 (single_cc): New expander.
13597 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13599 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13601 * doc/md.texi: Update documentation of MIPS constraints.
13602 * config/mips/constraints.md: New file.
13603 * config/mips/mips.md: Include it.
13604 * config/mips/mips.c (mips_char_to_class): Delete.
13605 (override_options): Don't initialize mips_char_to_class.
13606 * config/mips/mips.h (mips_char_to_class): Delete.
13607 (REG_CLASS_FROM_LETTER): Delete.
13608 (CONST_OK_FOR_LETTER_P): Delete.
13609 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13610 (EXTRA_CONSTRAINT_Y): Delete.
13611 (EXTRA_CONSTRAINT_STR): Delete.
13612 (CONSTRAINT_LEN): Delete.
13613 (EXTRA_MEMORY_CONSTRAINT): Delete.
13615 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13617 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13618 original fn's eh regions.
13620 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13622 * fold-const.c (build_range_check): Make sure to use a valid type to
13623 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13626 (range_predecessor): New static function.
13627 (range_successor): Likewise.
13628 (merge_ranges): Use them to compute predecessors and successors of
13631 2006-03-09 Roger Sayle <roger@eyesopen.com>
13633 PR middle-end/26561
13634 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13635 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13637 2006-03-08 DJ Delorie <dj@redhat.com>
13639 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13640 (addpsi3): Expand to include memory operands. Remove
13641 reload-specific splits.
13642 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13643 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13644 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13645 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13646 (shift1_qi, shift1_hi, insv): New.
13647 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13648 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13649 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13651 * config/m32c/m32c-protos.h: Update as needed.
13652 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13653 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13654 Fail for unrecognized R* constraints.
13655 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13656 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13657 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13659 (m32c_init_libfuncs): New.
13660 (m32c_legitimate_address_p): Add debug wrapper.
13661 (m32c_rtx_costs): New.
13662 (m32c_address_cost): New.
13663 (conversions): Add 'B' prefix.
13664 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13665 operands, or word regnames for QI operands. 'B' prints bit
13667 (m32c_expand_setmemhi): New.
13668 (m32c_expand_movmemhi): New.
13669 (m32c_expand_movstr): New.
13670 (m32c_expand_cmpstr): New.
13671 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13672 (m32c_expand_neg_mulpsi3): Handle non-ints.
13673 (m32c_cmp_flg_0): New.
13674 (m32c_expand_movcc): New.
13675 (m32c_expand_insv): New.
13676 (m32c_scc_pattern): New.
13677 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13678 a0/a1 out of SIregs.
13679 (STORE_FLAG_VALUE): New.
13680 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13683 * config/m32c/mov.md: Make constraints more liberal.
13684 (zero_extendqihi2): Optimize r0/r1 case.
13685 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13686 * config/m32c/predicates.md (m32c_any_operand): New.
13687 (m32c_nonimmediate_operand): New.
13688 (m32c_hl_operand): New.
13689 (m32c_r3_operand): New.
13692 (memsym_operand): New.
13693 (memimmed_operand): New.
13694 (a_qi_operand): New.
13695 (m32c_eqne_operator): New.
13696 (m32c_1bit8_operand): New.
13697 (m32c_1bit16_operand): New.
13698 (m32c_1mask8_operand): New.
13699 (m32c_1mask16_operand): New.
13700 * config/m32c/blkmov.md: New file.
13701 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13703 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13705 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13706 unsigned to fix signed/unsigned comparison issue in
13707 DWARF2_FRAME_REG_OUT.
13708 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13709 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13711 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13712 of ptr into the ENABLE_CHECKING section.
13714 2006-03-08 Jeff Law <law@redhat.com>
13716 * tree-vrp.c (infer_value_range): Only count pointer uses
13717 and dereferences if -fdelete-null-pointer-checks is enabled.
13719 * tree-vrp.c (find_assert_locations): Infer value ranges for
13720 single use pointers, but do not create ASSERT_EXPRs for them.
13721 When a non-null range is inferred for a pointer, backwards
13722 propagate that range to other equivalent pointers through the
13725 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13728 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13729 language hook targets.
13730 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13731 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13732 if language hook targets were missing.
13734 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13736 * tree-ssa-opfinalize.h: Removed.
13737 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13739 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13740 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13741 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13742 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13743 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13744 finalize_ssa_v_must_def_ops): New.
13746 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13748 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13749 block as parameter.
13751 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13753 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13755 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13756 addresses with offsets; reorganize.
13758 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13759 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13760 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13762 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13765 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13767 2006-03-08 Ben Elliston <bje@au.ibm.com>
13769 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13771 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13774 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13777 2006-03-07 Richard Guenther <rguenther@suse.de>
13779 PR tree-optimization/26587
13780 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13782 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13784 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13786 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13788 * hooks.c (hook_bool_mode_rtx_true): New function.
13789 * hooks.h (hook_bool_mode_rtx_true): Declare.
13790 * toplev.c (compile_file): Call output_shared_constant_pool.
13791 * varasm.c (shared_constant_pool): New variable.
13792 (assemble_start_function, assemble_end_function): Remove arguments
13793 from call to output_constant_pool.
13794 (create_constant_pool): New function, split out from...
13795 (init_varasm_status): ...here.
13796 (force_const_mem): Choose between the shared and per-function constant
13797 pools. Set current_function_uses_const_pool when reusing old entries
13798 as well as when creating new ones.
13799 (mark_constant): Ignore data argument.
13800 (mark_constants): Remove pool argument.
13801 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13802 to decide whether the function uses a constant pool.
13803 (output_constant_pool_contents): New function, split out from...
13804 (output_constant_pool): ...here.
13805 (output_shared_constant_pool): New function.
13806 (init_varasm_once): Initialize shared_constant_pool.
13807 * output.h (output_constant_pool): Delete.
13808 (output_shared_constant_pool): Declare.
13809 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13810 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13812 2006-03-06 Nick Clifton <nickc@redhat.com>
13814 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13815 flag_strength_reduce.
13817 2006-03-06 Ben Elliston <bje@au.ibm.com>
13819 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13820 x86_64-*-linux* configurations.
13822 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13823 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13825 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13827 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13829 * basic-block.h: Remove the extern for
13830 rediscover_loops_after_threading.
13832 * cfgloop.c (cancel_loop): Make it static.
13833 * cfgloop.h: Remove the prototype for cancel_loop.
13835 * flow.c (recompute_reg_usage): Make it static.
13836 * rtl.h: Remove the prototype for recompute_reg_usage.
13838 * function.c (use_return_register): Make it static.
13839 * function.h: Remove the prototype.
13841 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13843 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13845 * recog.h: Remove the prototype for
13846 validate_change_maybe_volatile.
13848 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13850 * rtlanal.c (replace_reg): Remove.
13851 * rtl.h: Remove the prototype for replace_reg.
13853 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13855 * regclass.c (reg_scan_update): Remove.
13856 (reg_scan_mark_refs): Remove the last argument.
13857 * rtl.h: Remove the prototype for reg_scan_update.
13859 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13861 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13862 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13863 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13864 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13865 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13866 loop-invariant.c, omp-low.c, opts.c, passes.c,
13867 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13868 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13869 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13870 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13871 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13872 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13874 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13876 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13877 * dwarf2out.h: Remove the prototype for
13878 dwarf2out_add_library_unit_info.
13880 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13882 * tree.c (add_var_to_bind_expr): Remove.
13883 * tree.h: Remove the prototype for add_var_to_bind_expr.
13885 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13887 * regclass.c (n_non_fixed_regs): Remove.
13888 (init_reg_sets_1, globalize_reg): Remove all uses of
13890 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13892 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13894 * rtlanal.c (insns_safe_to_move_p): Remove.
13895 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13897 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13899 * expmed.c (expand_mult_add): Remove.
13900 * expr.h: Remove the prototype for expand_mult_add.
13902 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13904 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13905 and REG_SAVED_VAL_EXP constants.
13906 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13907 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13908 Handle regs stored by value.
13909 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13910 (execute_cfa_program): Handle DW_CFA_val_offset,
13911 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13912 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13913 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13914 (uw_install_context_1): Handle target regs stored by value.
13916 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13918 * tree-sra.c (tree_sra): Return todoflags;
13919 (generate_one_element): Set TODO_update_smt_usage if needed.
13920 (pass_sra): Remove TODO_update_smt_usage.
13921 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13923 (tree_ssa_forward_propagate_single_use_vars): Return
13924 TODO_update_smt_usage if we need to update SMT usage.
13925 (pass_forwprop): Remove TODO_update_smt_usage.
13927 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13929 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13930 (correct_use_link): Remove reference to get_stmt_operands.
13931 (update_stmt_operands): Likewise.
13932 (get_modify_expr_operands): New function factored out of
13933 parse_ssa_operands and get_expr_operands.
13934 Try to create V_MUST_DEFs for LHS by default.
13935 (get_expr_operands) <case MODIFY_EXPR>: Call
13936 get_modify_expr_operands.
13937 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13938 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13939 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13940 get_modify_expr_operands.
13942 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13944 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13945 * tree-flow.h: Remove the prototype for
13946 referenced_var_lookup_if_exists.
13948 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13950 PR rtl-optimization/26345
13952 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13954 2006-03-03 Roger Sayle <roger@eyesopen.com>
13956 PR tree-optimization/26524
13957 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13958 fold_convert to create a constant of the appropriate type.
13960 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13962 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13963 SYMBOL_REF_IN_BLOCK_P.
13964 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13965 of SYMBOL_FLAG_IN_BLOCK.
13966 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13967 instead of SYMBOL_REF_IN_BLOCK_P.
13968 * explow.c (use_anchored_address): Likewise.
13969 * rtl.c (rtx_size): Likewise.
13970 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13971 instead of SYMBOL_FLAG_IN_BLOCK.
13972 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13973 SYMBOL_REF_IN_BLOCK_P.
13974 (assemble_variable): Likewise.
13975 (output_constant_def_contents): Likewise.
13976 (output_constant_pool): Likewise.
13977 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13978 instead of SYMBOL_FLAG_IN_BLOCK.
13979 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13980 SYMBOL_REF_IN_BLOCK_P.
13981 (SYMBOL_REF_BLOCK): Likewise.
13982 (SYMBOL_REF_OFFSET): Likewise.
13983 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13984 SYMBOL_REF_IN_BLOCK_P.
13985 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13986 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13987 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13988 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13990 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13992 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13994 2006-03-02 Roger Sayle <roger@eyesopen.com>
13996 * simplify-rtx.c (simplify_unary_operation): When simplifying
13997 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13998 that we perform the right shift in the appropriate mode, and
13999 then extend or truncate the result to requested mode.
14001 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
14003 * gengtype.c (main): Handle double_int type.
14004 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
14005 * double-int.c: New file.
14006 * double-int.h: New file.
14007 * system.h: Include doubleint.h.
14008 * Makefile.in (SYSTEM_H): Include double-int.h.
14009 (double-int.o): Add.
14011 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
14014 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
14017 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14019 * tree-vrp.c (remove_range_assertions): Do not update statements
14022 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14024 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
14026 * gcse.c (rest_of_handle_gcse): Ditto.
14027 * except.c (gate_handle_eh): Ditto.
14028 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
14029 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
14031 2006-03-02 Eric Christopher <echristo@apple.com>
14033 * config/i386/i386.c (machopic_output_stub): Add indirection to
14036 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
14040 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
14042 Sun Niagara specific optimizations.
14043 * config.gcc: Recognize niagara as target.
14044 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
14045 (TARGET_CPU_niagara): Define.
14046 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
14047 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
14048 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14049 (ASM_CPU_SPEC): Likewise.
14050 (PROCESSOR_NIAGARA): New enum entry.
14051 (REGISTER_MOVE_COST): Handle Niagara.
14052 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
14053 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
14054 (sparc_override_options): Recognize "niagara", set appropriate
14055 default MASK_* values for it, and align functions to 32-bytes
14056 by default just like ULTRASPARC/ULTRASPARC3.
14057 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
14058 (sparc64_initialize_trampoline): Likewise.
14059 (sparc_use_sched_lookahead): Use zero for niagara.
14060 (sparc_issue_rate): Use one for niagara.
14061 * config/sparc/niagara.md: New file.
14062 * config/sparc/sparc.md: Include it.
14063 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
14064 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
14065 when default cpu is niagara.
14066 (CPP_CPU_SPEC): Handle -mcpu=niagara.
14067 (ASM_CPU_SPEC): Likewise.
14068 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
14069 when default cpu is niagara.
14070 (ASM_CPU_SPEC): Handle -mcpu=niagara.
14071 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
14072 just like v9/ultrasparc/ultrasparc3.
14073 * doc/invoke.texi: Add documentation for "niagara" and improve
14074 existing documentation for ultrasparc variants.
14076 2006-03-02 Diego Novillo <dnovillo@redhat.com>
14078 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
14080 2006-03-02 Richard Sandiford <richard@codesourcery.com>
14082 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
14083 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
14084 and say that only one is needed.
14085 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
14086 * target.h (have_switchable_bss_sections): New hook.
14087 * explow.c (use_anchored_address): Check that the symbol is in a block.
14088 * varasm.c (tls_comm_section, comm_section, lcomm_section)
14089 (bss_noswitch_section): New variables.
14090 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
14091 (get_noswitch_section): New function.
14092 (get_block_for_section): Allow SECT to be null.
14093 (unlikely_text_section_p): Use SECTION_STYLE.
14094 (bss_initializer_p): New function.
14095 (get_variable_section): Move earlier in file. Take a new argument,
14096 prefer_noswitch_p. Move bss checks from assemble_variable to here.
14097 Return one of the new *_sections in such cases.
14098 (get_block_for_decl): New function, extracting some logic from
14099 use_blocks_for_decl_p.
14100 (change_symbol_section): Remove in favor of...
14101 (change_symbol_block): ...this new function.
14102 (use_blocks_for_decl_p): Remove checks now performed by
14103 get_block_for_decl.
14104 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
14105 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
14106 (emit_local, emit_bss, emit_common): ...these new functions.
14107 Return true if the alignment was honored.
14108 (emit_tls_common): New function.
14109 (asm_emit_uninitialised): Delete.
14110 (assemble_variable_noswitch): New function, split out from...
14111 (assemble_variable): ...here. Don't make decisions about common
14112 variables here. Globalize all public decls that go into non-common
14113 sections. Check whether SYMBOL_REF_BLOCK is null.
14114 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
14115 (output_constant_pool): Likewise.
14116 (init_varasm_once): Initialize the new section variables.
14117 (have_global_bss_p): New function.
14118 (categorize_decl_for_section): Use bss_initializer_p.
14119 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
14120 (place_block_symbol): Assert that the symbol must be in a block.
14121 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
14122 (TARGET_INITIALIZER): Include it.
14123 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
14124 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
14125 (SECTION_MACH_DEP): Bump by two.
14126 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
14127 (unnamed_section): Mention SECTION_UNNAMED in comment.
14128 (named_section): Likewise SECTION_NAMED.
14129 (noswitch_section_callback): New type.
14130 (noswitch_section): New structure.
14131 (section): Add a noswitch_section alternative.
14132 (SECTION_STYLE): New macro.
14133 (tls_comm_section, comm_section, lcomm_section): Declare.
14134 (bss_noswitch_section, have_global_bss_p): Declare.
14135 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14136 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14138 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
14139 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
14142 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
14144 * tree-vrp.c (execute_vrp): Return value.
14145 * regrename.c (rest_of_handle_regrename): Ditto.
14146 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
14147 * tree-complex.c (tree_lower_complex): Ditto.
14148 (tree_lower_complex_O0): Ditto.
14149 * tracer.c (rest_of_handle_tracer): Ditto.
14150 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
14151 * postreload.c (rest_of_handle_postreload): Ditto.
14152 * tree-tailcall.c (execute_tail_recursion): Ditto.
14153 (execute_tail_calls): Ditto.
14154 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
14155 * tree.h (init_function_for_compilation): Ditto.
14156 * ipa-cp.c (ipcp_driver): Ditto.
14157 * tree-scalar-evolution.c (scev_const_prop): Ditto.
14158 * tree-scalar-evolution.h (scev_const_prop): Ditto.
14159 * final.c (compute_alignments): Ditto.
14160 (rest_of_handle_final): Ditto.
14161 (rest_of_handle_shorten_branches): Ditto.
14162 (rest_of_clean_state): Ditto.
14163 * omp-low.c (execute_expand_omp): Ditto.
14164 (execute_lower_omp): Ditto.
14165 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14166 * ipa-reference.c (static_execute): Ditto.
14167 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14168 * reorg.c (rest_of_handle_delay_slots): Ditto.
14169 (rest_of_handle_machine_reorg): Ditto.
14170 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14171 * flow.c (recompute_reg_usage): Ditto.
14172 (rest_of_handle_remove_death_notes): Ditto.
14173 (rest_of_handle_life): Ditto.
14174 (rest_of_handle_flow2): Ditto.
14175 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14176 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14177 (do_ssa_store_ccp): Ditto.
14178 (execute_fold_all_builtins): Ditto.
14179 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14180 * modulo-sched.c (rest_of_handle_sms): Ditto.
14181 * ipa-pure-const.c (static_execute): Ditto.
14182 * cse.c (rest_of_handle_cse): Ditto.
14183 (rest_of_handle_cse2): Ditto.
14184 * web.c (rest_of_handle_web): Ditto.
14185 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14186 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14187 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14188 * tree-nrv.c (tree_nrv): Ditto.
14189 (execute_return_slot_opt): Ditto.
14190 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14191 (create_structure_vars): Ditto.
14192 * loop-init.c (rtl_loop_init): Ditto.
14193 (rtl_loop_done): Ditto.
14194 (rtl_move_loop_invariants): Ditto.
14195 (rtl_unswitch): Ditto.
14196 (rtl_unroll_and_peel_loops): Ditto.
14197 (rtl_doloop): Ditto.
14198 * gimple-low.c (lower_function_body): Ditto.
14199 (mark_used_blocks): Ditto.
14200 * tree-ssa-sink.c (execute_sink_code): Ditto.
14201 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14202 (cgraph_early_inlining): Ditto.
14203 * global.c (rest_of_handle_global_alloc): Ditto.
14204 * jump.c (cleanup_barriers): Ditto.
14205 (purge_line_number_notes): Ditto.
14206 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14207 (rest_of_handle_if_after_reload): Ditto.
14208 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14209 (tree_ssa_loop_im): Ditto.
14210 (tree_ssa_loop_unswitch): Ditto.
14211 (tree_vectorize): Ditto.
14212 (tree_linear_transform): Ditto.
14213 (tree_ssa_loop_ivcanon): Ditto.
14214 (tree_ssa_empty_loop): Ditto.
14215 (tree_ssa_loop_bounds): Ditto.
14216 (tree_complete_unroll): Ditto.
14217 (tree_ssa_loop_prefetch): Ditto.
14218 (tree_ssa_loop_ivopts): Ditto.
14219 (tree_ssa_loop_done): Ditto.
14220 * predict.c (tree_estimate_probability): Ditto.
14221 * recog.c (split_all_insns_noflow): Ditto.
14222 (rest_of_handle_peephole2): Ditto.
14223 (rest_of_handle_split_all_insns): Ditto.
14224 * tree-eh.c (lower_eh_constructs): Ditto.
14225 * regmove.c (rest_of_handle_regmove): Ditto.
14226 (rest_of_handle_stack_adjustments): Ditto.
14227 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14228 * function.c (instantiate_virtual_regs): Ditto.
14229 (init_function_for_compilation): Ditto.
14230 (rest_of_handle_check_leaf_regs): Ditto.
14231 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14232 (rest_of_handle_gcse): Ditto.
14233 * ipa-type-escape.c (type_escape_execute): Ditto.
14234 * alias.c (rest_of_handle_cfg): Ditto.
14235 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14236 * profile.c (rest_of_handle_branch_prob): Ditto.
14237 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14238 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14239 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14240 * tree-dfa.c (find_referenced_vars): Ditto.
14241 * except.c (set_nothrow_function_flags): Ditto.
14242 (convert_to_eh_region_ranges): Ditto.
14243 (rest_of_handle_eh): Ditto.
14244 * emit-rtl.c (unshare_all_rtl): Ditto.
14245 (remove_unnecessary_notes): Ditto.
14246 * except.h (set_nothrow_function_flags): Ditto.
14247 (convert_to_eh_region_ranges): Ditto.
14248 * cfgexpand.c (tree_expand_cfg): Ditto.
14249 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14250 * tree-ssa-pre.c (do_pre): Ditto.
14251 (execute_fre): Ditto.
14252 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14253 (rest_of_handle_jump2): Ditto.
14254 * tree-sra.c (tree_sra): Ditto.
14255 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14256 (execute_mudflap_function_decls): Ditto.
14257 * tree-ssa-copy.c (do_copy_prop): Ditto.
14258 (do_store_copy_prop): Ditto.
14259 * ipa-prop.h (ipcp_driver): Ditto.
14260 * cfglayout.c (insn_locators_initialize): Ditto.
14261 * tree-ssa-forwprop.c
14262 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14263 * cfglayout.h (insn_locators_initialize): Ditto.
14264 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14265 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14266 (execute_late_warn_uninitialized): Ditto.
14267 * rtl.h (cleanup_barriers): Ditto.
14268 (split_all_insns_noflow): Ditto.
14269 (purge_line_number_notes): Ditto.
14270 (unshare_all_rtl): Ditto.
14271 (remove_unnecessary_notes): Ditto.
14272 (recompute_reg_usage): Ditto.
14273 (variable_tracking_main): Ditto.
14274 * integrate.c (emit_initial_value_sets): Ditto.
14275 * integrate.h (emit_initial_value_sets): Ditto.
14276 * tree-optimize.c (execute_free_datastructures): Ditto
14277 (execute_free_cfg_annotations): Ditto.
14278 (execute_fixup_cfg): Ditto.
14279 (execute_cleanup_cfg_pre_ipa): Ditto.
14280 (execute_cleanup_cfg_post_optimizing): Ditto.
14281 (execute_init_datastructures): Ditto.
14282 * tree-object-size.c (compute_object_sizes): Ditto.
14283 * combine.c (rest_of_handle_combine): Ditto.
14284 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14285 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14286 (rest_of_handle_reorder_blocks): Ditto.
14287 (rest_of_handle_partition_blocks): Ditto.
14288 * var-tracking.c (variable_tracking_main): Ditto.
14289 * tree-profile.c (tree_profiling): Ditto.
14290 * tree-vect-generic.c (expand_vector_operations): Ditto.
14291 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14292 * sched-rgn.c (rest_of_handle_sched): Ditto.
14293 (rest_of_handle_sched2): Ditto.
14294 * basic-block.h (free_bb_insn): Ditto.
14295 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14296 * tree-cfg.c (execute_build_cfg): Ditto.
14297 (remove_useless_stmts): Ditto.
14298 (split_critical_edges): Ditto.
14299 (execute_warn_function_return): Ditto.
14300 (execute_warn_function_noreturn): Ditto.
14301 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14302 * cfgrtl.c (free_bb_for_insn): Ditto.
14303 * passes.c (execute_one_pass): Run additional
14304 todos returned by execute function.
14305 * tree-pass.h (struct tree_opt_pass): Make execute
14308 2006-03-02 Richard Guenther <rguenther@suse.de>
14310 * tree-ssa-alias.c (find_used_portions): Consider taking
14311 the address as making the variable not write-only.
14313 2006-03-02 Nick Clifton <nickc@redhat.com>
14315 * config.gcc (default_use_cxa_atexit): Extend the description of
14316 this configure variable. Set its default value to "yes" for
14317 Linux, NetBSD and ELF targets on the assumption that they will
14318 use C libraries with the __cxa_atexit function.
14320 2006-03-02 Ben Elliston <bje@au.ibm.com>
14322 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14323 parameter as unused to suppress a build warning.
14325 2006-03-02 Ben Elliston <bje@au.ibm.com>
14327 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14330 2006-03-01 Roger Sayle <roger@eyesopen.com>
14333 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14334 declared name, the weak reference name, and the typeof name.
14335 (__gthrw): Avoid expanding the declared name suffix.
14336 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14338 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14340 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14342 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14343 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14344 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14345 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14346 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14347 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14348 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14349 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14350 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14351 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14352 (DW_END_default, DW_END_big, DW_END_little): New.
14353 (DW_END_lo_user, DW_END_hi_user): Define.
14354 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14355 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14356 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14359 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14361 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14363 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14365 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14367 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14369 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14370 to 'symbol_mem_tag'.
14372 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14375 2006-03-01 Roger Sayle <roger@eyesopen.com>
14377 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14379 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14382 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14383 MACHO_DYNAMIC_NO_PIC_P.
14384 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14386 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14389 * config/darwin-protos.h (darwin_asm_output_anchor):
14391 * config/darwin-sections.def (cstring_section):
14392 Add SECTION_MERGE to the flags.
14393 (literal4_section): Likewise.
14394 (literal8_section): Likewise.
14395 (objc_selector_refs_section): Likewise.
14396 (objc_cls_refs_section): Likewise.
14397 * config/darwin.c (darwin_asm_output_anchor): New
14399 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14401 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14403 Fix PR tree-optimization/26443
14404 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14405 to todo and PROP_tmt_usage to properties_destroyed.
14406 * tree-ssa-ccp.c (pass_ccp): Ditto.
14407 (pass_store_ccp): Ditto.
14408 * tree-ssa-dom.c (pass_dominator): Ditto.
14410 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14412 * tree-ssa-operands.c: Cleanup whitespace.
14413 (get_asm_expr_operands): Move before first invocation.
14414 (get_indirect_ref_operands): Likewise.
14415 (get_tmr_operands): Likewise.
14416 (get_call_expr_operands): Likewise.
14417 (append_def): Likewise.
14418 (append_use): Likewise.
14419 (append_v_may_def): Likewise.
14420 (append_v_must_def): Likewise.
14421 (add_call_clobber_ops): Likewise.
14422 (add_call_read_ops): Likewise.
14423 (add_stmt_operand): Likewise.
14424 (add_virtual_operand): Likewise.
14425 (build_ssa_operands): Likewise.
14427 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14429 PR middle-end/26022
14431 PR middle-end/24437
14432 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14433 with a call expr to ...
14434 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14436 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14438 * tree-vrp.c (extract_range_from_assert): Remove special
14439 handling for types with super-types.
14441 2006-03-01 Ben Elliston <bje@au.ibm.com>
14443 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14444 and powerpc64-*-linux* configurations.
14445 * config/t-dfprules: New file.
14447 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14448 Compile dfp-bit.c from the source directory using -DWIDTH and
14449 $DFP_CFLAGS to control the compilation of that file, rather than
14450 generating width-specific versions in the build directory.
14451 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14452 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14454 2006-02-28 Zack Weinberg <zackw@panix.com>
14456 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14459 2006-02-28 Eric Christopher <echristo@apple.com>
14461 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14462 Set up IN_LIBGCC definition of TARGET_64BIT.
14463 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14465 2006-02-28 Roger Sayle <roger@eyesopen.com>
14467 PR middle-end/14752
14468 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14469 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14470 cases via the construction of "expr != 0".
14472 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14474 * alias.c (alias_invariant, alias_invariant_size): Remove.
14475 (record_base_value): Remove.
14476 (memrefs_conflict_p): Don't look at alias_invariant.
14477 (end_alias_analysis): Don't free it.
14478 * alias.h (record_base_value): Remove prototype.
14480 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14481 Adam Nemet <anemet@caviumnetworks.com>
14483 * rtl.h (truncated_to_mode): Declare it.
14484 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14485 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14486 (RTL_HOOKS_INITIALIZER): Include it.
14487 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14488 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14489 reg_truncated_to_mode.
14490 * rtlanal.c (truncated_to_mode): Define it.
14491 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14493 2006-02-28 Jeff Law <law@redhat.com>
14495 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14496 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14497 the range allowed by TYPE_PRECISION.
14499 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14501 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14503 PR tree-optimization/26419
14504 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14507 2006-02-27 Zack Weinberg <zackw@panix.com>
14509 * doc/md.texi: Fix typo in previous change.
14511 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14515 2006-02-27 Zack Weinberg <zackw@panix.com>
14517 * rtl.def (define_constraint, define_register_constraint)
14518 (define_memory_constraint, define_address_constraint): New MD forms.
14519 * gensupport.c (process_rtx): Put define_constraint etc on the
14521 * genpreds.c (process_define_predicate): Adjust comment. Validate
14522 the name, and call validate_exp to validate the expression.
14523 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14524 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14525 all callers changed.
14526 (validate_exp, needs_variable, struct constraint_data)
14527 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14528 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14529 (const_dbl_constraints, constraint_max_namelen)
14530 (have_register_constraints, have_memory_constraints)
14531 (have_address_constraints, have_address_constraints)
14532 (have_extra_constraints, have_const_int_constraints)
14533 (have_const_dbl_constraints, mangle, add_constraint)
14534 (process_define_constraint, process_define_register_constraint)
14535 (write_enum_constraint_num, write_lookup_constraint)
14536 (write_insn_constraint_len, write_regclass_for_constraint)
14537 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14538 (write_insn_extra_memory_constraint)
14539 (write_insn_extra_address_constraint)
14540 (write_satisfies_constraint_fns): New.
14541 (write_tm_preds_h): If we have new-style constraint definitions,
14542 prototype the functions generated from them, and define the
14543 old constraint interface (still used by generic code) in terms of
14545 (write_insn_preds_c): If we have new-style constraint definitions,
14546 generate all relevant functions from those definitions.
14547 (main): Handle define_constraint etc.
14548 * genoutput.c (struct constraint_data, indep_constraints)
14549 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14550 (mdep_constraint_len): New data structures and functions, defined
14551 #ifdef USE_MD_CONSTRAINTS.
14552 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14553 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14554 use new logic to validate operand constraints against constraint
14556 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14558 * defaults.h: If none of the old-style constraint macros are
14559 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14560 old-style macros; and poison REG_CLASS_FROM_LETTER,
14561 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14563 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14564 * doc/md.texi: Document new constraint-definition mechanism and the
14565 C interface it provides. Remove references to old mechanism
14566 elsewhere in the document.
14567 (Machine Constraints): Use pathnames relative to gcc directory,
14568 i.e. config/ARCH/FILE. Change i386 section to refer to
14569 config/i386/predicates.md; update that section to match docstrings.
14570 * doc/tm.texi: Move all documentation of the old constraint-
14571 definition macros to their own section, clearly mark as obsolete.
14573 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14574 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14576 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14577 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14578 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14579 constraint strings.
14580 (splits and peepholes): Use satisfies_constraint_*.
14581 * config/i386/i386.c (memory_address_length)
14582 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14584 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14586 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14587 scalar operation to be put back into the loop.
14589 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14592 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14593 (extract_cie_info): Handle S flag in augmentation string.
14594 (execute_cfa_program): If context->signal_frame, execute also
14595 fs->pc == context->ra instructions.
14596 (uw_frame_state_for): If context->signal_frame, don't subtract one
14597 from context->ra to find FDE.
14598 (uw_update_context_1): Set context->signal_frame to
14600 (_Unwind_GetIPInfo): New function.
14601 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14602 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14604 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14605 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14606 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14607 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14608 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14609 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14610 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14611 x86_64_fallback_frame_state): Set fs->signal_frame.
14612 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14613 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14614 (frob_update_context): Likewise. Workaround missing S flag in
14615 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14616 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14617 Remove the psw_addr + 1 hack.
14619 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14621 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14622 with aggregates here.
14623 (find_func_aliases): Remove code for &<aggregate> from here.
14625 2006-02-26 Roger Sayle <roger@eyesopen.com>
14627 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14628 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14629 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14630 as (X & C) ne/eq 0.
14632 2006-02-26 Roger Sayle <roger@eyesopen.com>
14634 PR middle-end/19983
14635 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14637 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14639 * opts.c (decode_options): Do not handle flag_strength_reduce.
14640 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14641 and OPT_fstrength_reduce.
14642 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14643 flag_prefetch_loop_arrays for being nonzero.
14644 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14646 (fprefetch-loop-arrays-rtl): Removed.
14647 (flag_prefetch_loop_arrays): Do not specify the value.
14649 * doc/passes.texi: Update documentation of loop optimizer
14651 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14652 -frerun-loop-opt): Remove.
14654 2006-02-26 Richard Guenther <rguenther@suse.de>
14656 PR tree-optimization/26421
14657 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14658 in function calls that are ADDR_EXPRs as using the whole structure.
14660 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14662 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14663 * tree-pass.h (pass_loop_optimize): Remove.
14664 * passes.c (pass_loop_optimize): Never run it.
14665 * toplev.c (backend_init): Don't call init_loop.
14666 * opts.c (flag_loop_optimize_set): Remove.
14667 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14668 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14669 the old RTL loop optimizer when profiling enabled.
14670 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14671 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14672 pre-headers for the sake of the old RTL loop optimizer.
14673 * Makefile.in: Remove all references to loop.o.
14675 * doc/invoke.texi: Remove all references to -floop-optimize
14676 and -frerun-loop-opt.
14678 2006-02-26 Zack Weinberg <zackw@panix.com>
14680 * doc/md.texi (Machine Constraints): Refer to all files with paths
14681 relative to gcc directory (i.e. config/CPU/file). Add missing
14682 @table @code ... @end table to M32C subsection.
14684 2006-02-26 Roger Sayle <roger@eyesopen.com>
14686 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14688 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14690 2006-02-26 Roger Sayle <roger@eyesopen.com>
14691 James A. Morrison <phython@gcc.gnu.org>
14693 PR middle-end/21137
14694 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14695 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14696 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14697 signedness of the shift operation.
14699 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14701 PR tree-optimization/26359
14702 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14704 2006-02-25 Roger Sayle <roger@eyesopen.com>
14706 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14707 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14708 as X == 0, and some symmetry related transformations.
14709 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14711 2006-02-25 Roger Sayle <roger@eyesopen.com>
14713 PR middle-end/23673
14714 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14715 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14716 symmetry related transformations. Fold (X^C1) == C2 as
14719 2006-02-25 Juergen Weigert <jw@suse.de>
14720 Richard Guenther <rguenther@suse.de>
14722 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14724 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14726 * combine.c (gen_lowpart_or_truncate): Call
14727 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14729 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14731 * doc/invoke.texi: Move -fopenmp description to "Options for
14733 Remove reference to -lgomp.
14735 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14737 * doc/install.texi: Require GNU tar version 1.14.
14739 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14741 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14742 * doc/invoke.texi (C++ Dialect Options): Document
14743 -fno-use-cxa-get-exception-ptr.
14744 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14745 * configure: Regenerate.
14746 * c.opt (fuse-cxa-get-exception-ptr): New.
14747 * c-opts.c (c_common_handle_option): Handle
14748 OPT_fuse_cxa_get_exception_ptr.
14749 * c-common.c (flag_use_cxa_atexit): Update documentation.
14750 (flag_use_cxa_get_exception_ptr): New.
14751 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14752 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14754 (C_COMMON_OVERRIDE_OPTIONS): New.
14756 2006-02-24 Roger Sayle <roger@eyesopen.com>
14758 PR middle-end/24952
14759 * combine.c (try_combine): Explicitly check whether GET_CODE is
14760 a SET or a CLOBBER, instead on checking that it isn't a USE.
14762 2006-02-24 Roger Sayle <roger@eyesopen.com>
14764 * fold-const.c (fold_comparison): New subroutine of fold_binary
14765 containing transformations common to both the equality and
14766 ordering relational operators, factored out of fold_binary.
14767 (fold_binary): Separate out the equality operators (EQ_EXPR
14768 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14769 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14770 transformations common to both.
14771 (fold_div_compare): Fix latent bugs in the previously unreachable
14772 LT_EXPR and GE_EXPR cases.
14774 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14776 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14777 decl libname for clog to __clog on AIX.
14779 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14781 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14784 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14785 output traceback table for thunks. Localise rs6000_stack_info call.
14787 2006-02-23 Roger Sayle <roger@eyesopen.com>
14788 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14790 * gthr-posix.h (__gthrw): Fix typo in comment.
14792 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14794 * doc/cpp.texi (Character sets): Document that we do support
14795 input files to be in any character set.
14797 2006-02-23 Jeff Law <law@redhat.com>
14799 * tree.h (PHI_ARG_NONZERO): Remove.
14800 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14801 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14802 node to the new node.
14804 PR tree-optimization/26425
14805 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14806 min/max, then assume its varying.
14808 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14810 PR rtl-optimization/26316
14811 * rtlanal.c (enum may_trap_p_flags): New.
14812 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14813 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14814 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14815 (may_trap_after_code_motion_p): New function.
14816 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14817 (find_invariant_insn): Use may_trap_after_code_motion_p.
14818 * rtl.h (may_trap_after_code_motion_p): Declare.
14820 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14822 * emit-rtl.c (immed_double_const): Cleanup.
14824 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14826 Fix PR tree-optimization/26376
14827 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14830 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14832 PR middle-end/26412
14833 * gimplify.c (omp_add_variable): Guard variable size decl test with
14834 DECL_SIZE (decl) check.
14836 2006-02-23 Richard Guenther <rguenther@suse.de>
14838 PR middle-end/26439
14839 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14840 like aggregate types.
14842 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14844 * configure.ac: Add --with{,out}-long-double-128 configure option.
14845 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14846 * configure: Rebuilt.
14847 * config.in: Rebuilt.
14848 * doc/install.texi (Options specification): Document
14849 --with-long-double-128.
14851 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14852 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14853 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14854 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14856 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14858 * config/s390/s390.c (override_options): Handle
14859 TARGET_DEFAULT_LONG_DOUBLE_128.
14861 * config/alpha/alpha.c (override_options): Handle
14862 TARGET_DEFAULT_LONG_DOUBLE_128.
14864 * config/sparc/sparc.c (sparc_override_options): Handle
14865 TARGET_DEFAULT_LONG_DOUBLE_128.
14867 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14869 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14870 (real-install-headers-tar, real-install-headers-cpio)
14871 (real-install-headers-cp): New targets.
14873 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14875 * tree.h (variable_section): Delete.
14876 * varasm.c (variable_section): Delete.
14878 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14880 * install.texi: Add notes on install.texi2html.
14881 (Building in parallel): Do not use footnotes.
14883 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14886 * doc/install.texi (Configuration): Document --disable-libgomp.
14888 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14890 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14892 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14894 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14895 (vec_extractv2df_0_sse): New.
14897 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14899 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14900 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14901 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14902 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14903 to the result of the expression.
14904 (def_cfa_1): Adjust.
14905 (frame_pointer_cfa_offset): Rename to...
14906 (frame_pointer_fb_offset): ... this. Adjust all uses.
14907 (convert_cfa_to_loc_list): Rename to...
14908 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14909 Pass it on to build_cfa_loc.
14910 (compute_frame_pointer_to_cfa_displacement): Rename to...
14911 (compute_frame_pointer_to_fb_displacement): ... this. New
14912 offset parameter. Use it in computation.
14913 (gen_subprogram_die): Compute cfa_fb_offset with the new
14914 macro, and use it to compute the fb loc list and the
14917 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14919 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14920 replaced with register_operand.
14921 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14922 non-DREG is expensive.
14923 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14924 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14927 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14929 * doc/install.texi2html: Use set -e.
14931 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14933 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14934 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14935 * doc/invoke.texi (-fshared-data): Delete.
14936 * common.opt (fshared-data): Delete.
14937 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14938 (assemble_static_space): Remove #if 0 code.
14939 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14940 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14941 * config/cris/cris.h: Remove FIXME.
14943 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14945 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14948 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14950 PR middle-end/26379
14951 * combine.c (simplify_shift_const_1): Disable nested shifts
14952 optimization for vector shifts.
14954 2006-02-20 Roger Sayle <roger@eyesopen.com>
14956 PR tree-optimization/26361
14957 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14958 of unsigned integer types.
14960 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14962 * tree-chrec.c (eq_evolutions_p): New.
14963 * tree-chrec.h (eq_evolutions_p): Declared.
14964 * tree-data-ref.c: Fix formatting.
14965 (datadep_stats, dependence_stats): New.
14967 (print_direction_vector): New.
14968 (dump_data_dependence_relation): Use print_direction_vector.
14969 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14970 (compute_subscript_distance): Static.
14971 (initialize_data_dependence_relation): Static. Get the number
14972 of loops surrounding the references from the callers, and initialize
14973 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14974 base_object_differ_p analyzers.
14975 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14976 compute_overlap_steps_for_affine_1_2,
14977 analyze_subscript_affine_affine): Count the classified dependences.
14978 Print a message when a test failed.
14979 (can_use_analyze_subscript_affine_affine): New.
14980 (analyze_siv_subscript): Compute the data dependences on symbolic
14981 scevs that verify can_use_analyze_subscript_affine_affine.
14982 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14983 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14984 Handle symbolic scevs.
14985 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14987 (subscript_dependence_tester): Moved...
14988 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14989 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14990 DDR_SIZE_VECT instead of getting it in parameter.
14991 (subscript_dependence_tester): ... here. Take as a parameter
14992 loop_nest_depth. Call build_classic_dist_vector and
14993 build_classic_dir_vector.
14994 (compute_affine_dependence): Update subscript_dependence_tester
14995 parameters. Update datadep_stats counters. Call
14996 compute_subscript_distance.
14997 (compute_self_dependence): Save the dist and dir vectors. Call
14998 compute_subscript_distance.
14999 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
15000 (compute_all_dependences): Reorder parameters as they were before
15001 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
15002 compute_subscript_distance. Update the use of
15003 compute_affine_dependence and initialize_data_dependence_relation.
15004 (find_data_references_in_loop): Handle COMPONENT_REF.
15005 (compute_data_dependences_for_loop): Initialize dependence_stats.
15006 Don't call build_classic_dist_vector and build_classic_dir_vector.
15007 Update the parameters of initialize_data_dependence_relation and
15008 compute_all_dependences. Print the statistics from datadep_stats.
15009 (analyze_all_data_dependences): Static. Not used until the pass for
15010 checking the data dependences is contributed.
15011 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
15012 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
15013 (initialize_data_dependence_relation, compute_affine_dependence,
15014 analyze_all_data_dependences, compute_subscript_distance): Removed.
15015 (print_direction_vector): New.
15016 * lambda.h (gcd): ... here.
15017 (lambda_vector_gcd): Moved here from gcd_vector.
15018 * lambda-code.c (gcd, gcd_vector): Removed.
15019 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
15020 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
15022 2006-02-20 Diego Novillo <dnovillo@redhat.com>
15024 * ipa-type-escape.c: Tidy some comments and white space.
15025 * tree-ssa-operands.c: Likewise.
15027 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
15030 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
15031 (dump_decl_name): Do not walk the decl tree chains.
15032 * tree-pass.h (TDF_CHAIN): Remove.
15034 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15036 * Makefile.in (C): Remove
15038 (.PHONY): Remove C and PROTO
15040 2006-02-20 Roger Sayle <roger@eyesopen.com>
15042 PR middle-end/26236
15043 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
15044 deprecated CHAR_TYPE tree code.
15046 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15048 * configure.ac (target_list): Add install-info, dvi, html.
15049 * configure: Regenerate.
15051 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
15052 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
15053 treelang/Make-lang.in: Do not use double-colon rules.
15055 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
15057 * tree.h (struct tree_memory_tag): Add is_used_alone member.
15058 (TMT_USED_ALONE): New macro.
15059 * tree-pass.h (PROP_tmt_usage): New property.
15060 (TODO_update_tmt_usage): New todo.
15061 * tree-ssa-alias.c (updating_used_alone): New variable.
15062 (recalculate_used_alone): New function.
15063 (compute_may_aliases): Set updating_used_alone, call
15064 recalculate_used_alone.
15065 * tree-sra.c (pass_sra): Note that this pass destroys
15066 PROP_tmt_usage, and add TODO_update_tmt_usage.
15067 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
15068 * tree-flow.h (updating_used_alone): Prototype.
15069 (recalculate_used_alone): Ditto.
15070 * passes.c (execute_todo): Add code to set updating_used_alone,
15071 and call recalculate.
15072 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
15073 for clobber if used alone, and add assert to verify used_alone
15076 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
15078 * config/s390/s390.c (legitimize_pic_address): Assertions checking
15079 for non tls symbols added.
15080 (legitimize_address): Do nothing for PLUS expressions if one of the
15081 addends is a tls symbol reference.
15083 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
15087 * Makefile.in (LDFLAGS): Define from autoconf substitution.
15089 * Makefile.in (BOOTSTRAPPING): New.
15090 (quickstrap): New definition if BOOTSTRAPPING=yes.
15092 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
15093 * configure.ac: Substitute all_selected_languages with the languages
15094 that were configured. For all the other variables except
15095 lang_specs_files, include all the languages in the tree.
15096 * configure: Regenerate.
15098 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
15099 if there is one. Run the commands to run fixincludes in the same
15102 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
15103 * doc/install.texi: Document exact conventions for searching target tools.
15104 Document --with-build-time-tools. Document toplevel bootstrap. Document
15105 something more about building an Ada cross-compiler. Don't list GNU Make
15106 requirements which affect all platforms.
15108 2006-02-19 Roger Sayle <roger@eyesopen.com>
15110 PR middle-end/19543
15111 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
15112 only equivalent if the have both the same mode and precision.
15114 2006-02-20 Ben Elliston <bje@au.ibm.com>
15116 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
15118 2006-02-19 Roger Sayle <roger@eyesopen.com>
15119 Steven Bosscher <stevenb.gcc@gmail.com>
15121 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
15122 constant pool references to identify stack mode constants.
15123 * rtlanal.c (constant_pool_constant_p): New predicate to check
15124 whether operand is a floating point constant in the pool.
15125 * rtl.h (constant_pool_constant_p): Prototype here.
15126 * loop.c (scan_loop): Avoid hoisting constants from the constant
15127 pool on STACK_REGS targets.
15128 (load_mems): Likewise.
15129 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
15130 loads into x87 registers expensive in terms of register pressure.
15132 2006-02-19 Roger Sayle <roger@eyesopen.com>
15134 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
15135 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
15137 2006-02-19 David Edelsohn <edelsohn@gnu.org>
15139 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
15140 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
15142 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
15144 * doc/invoke.texi: Document -fipa-pta.
15145 * common.opt: Add ipa-pta option.
15146 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
15147 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
15148 (do_ds_constraint): Ditto.
15149 (get_constraint_for): Only add to referenced_vars if
15150 referenced_vars exists.
15151 (insert_into_field_list): Rewrite to do this unsorted.
15152 (insert_into_field_list_sorted): Rename old insert_into_field_list
15154 (create_function_info_for): Use insert_into_field_list_sorted.
15155 (create_variable_info_for): Rewrite so it uses unsorted version,
15156 since the field list is sorted.
15157 (intra_create_variable_infos): Only add to referenced_vars if
15158 referenced_vars exists.
15159 (ipa_pta_execute): Init heapvars, and delete when done.
15160 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15162 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15164 * doc/install.texi: Add missing `@samp'.
15166 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15168 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15171 2006-02-18 Mark Wielaard <mark@klomp.org>
15173 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15174 who added new 4.1 features, bug fixes and integration support.
15176 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15179 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15180 MEM for ABI_V4 pic.
15182 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15184 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15185 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15186 (copy_insn_1): Likewise. Don't copy each field individually.
15188 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15190 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15191 * rtl.c (rtx_size): Rename variable to...
15192 (rtx_code_size): ...this.
15193 (rtx_size): New function.
15194 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15195 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15197 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15198 * rtl.h (rtx_code_size): New variable.
15199 (rtx_size): Change from a variable to a function.
15200 (RTX_SIZE): Rename to...
15201 (RTX_CODE_SIZE): ...this.
15204 PR tree-optimization/17106
15205 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15206 (Anchored Addresses): New section.
15207 * doc/invoke.texi (-fsection-anchors): Document.
15208 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15209 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15210 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15211 * hooks.c (hook_bool_mode_rtx_false): New function.
15212 * hooks.h (hook_bool_mode_rtx_false): Declare.
15213 * gengtype.c (create_optional_field): New function.
15214 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15215 SYMBOL_REF_IN_BLOCK_P is true.
15216 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15217 (min_anchor_offset, max_anchor_offset): Likewise.
15218 (use_anchors_for_symbol_p): New hook.
15219 * toplev.c (compile_file): Call output_object_blocks.
15220 (target_supports_section_anchors_p): New function.
15221 (process_options): Check that -fsection-anchors is only used on
15222 targets that support it and when -funit-at-a-time is in effect.
15223 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15224 if the decl doesn't have one.
15225 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15226 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15227 of force_const_mem through use_anchored_address.
15228 (expand_expr_constant): New function.
15229 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15230 calling expand_expr for INDIRECT_REF.
15231 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15232 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15233 * expr.h (use_anchored_address): Declare.
15234 * loop-unroll.c: Don't declare rtx vectors here.
15235 * explow.c: Include output.h.
15236 (validize_mem): Call use_anchored_address.
15237 (use_anchored_address): New function.
15238 * common.opt (-fsection-anchors): New switch.
15239 * varasm.c (object_block_htab, anchor_labelno): New variables.
15240 (hash_section, object_block_entry_eq, object_block_entry_hash)
15241 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15242 (use_blocks_for_decl_p, change_symbol_section): New functions.
15243 (get_variable_section): New function, split out from assemble_variable.
15244 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15245 use_blocks_for_decl_p say so. Use change_symbol_section if the
15246 symbol has already been created.
15247 (assemble_variable_contents): New function, split out from...
15248 (assemble_variable): ...here. Don't output any code for
15249 block symbols; just pass them to place_block_symbol.
15250 Use get_variable_section and assemble_variable_contents.
15251 (get_constant_alignment, get_constant_section, get_constant_size): New
15252 functions, split from output_constant_def_contents.
15253 (build_constant_desc): Create a block symbol if use_object_blocks_p
15254 says so. Or into SYMBOL_REF_FLAGS.
15255 (assemble_constant_contents): New function, split from...
15256 (output_constant_def_contents): ...here. Don't output any code
15257 for block symbols; just pass them to place_section_symbol.
15258 Use get_constant_section and get_constant_alignment.
15259 (force_const_mem): Create a block symbol if use_object_blocks_p and
15260 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15261 (output_constant_pool_1): Add an explicit alignment argument.
15262 Don't switch sections here.
15263 (output_constant_pool): Adjust call to output_constant_pool_1.
15264 Switch sections here instead. Don't output anything for block symbols;
15265 just pass them to place_block_symbol.
15266 (init_varasm_once): Initialize object_block_htab.
15267 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15268 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15269 (place_block_symbol, get_section_anchor, output_object_block)
15270 (output_object_block_htab, output_object_blocks): New functions.
15271 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15272 (TARGET_ASM_OUT): Include it.
15273 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15274 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15275 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15276 (TARGET_INITIALIZER): Include them.
15277 * rtl.c (rtl_check_failed_block_symbol): New function.
15278 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15279 (block_symbol, object_block): New structures.
15280 (rtx_def): Add a block_symbol field to the union.
15281 (BLOCK_SYMBOL_CHECK): New macro.
15282 (rtl_check_failed_block_symbol): Declare.
15283 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15284 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15285 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15286 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15287 * output.h (output_section_symbols): Declare.
15288 (object_block): Name structure.
15289 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15290 (default_use_anchors_for_symbol_p): Declare.
15291 * Makefile.in (RTL_BASE_H): Add vec.h.
15292 (explow.o): Depend on output.h.
15293 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15294 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15295 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15296 (rs6000_use_blocks_for_constant_p): New function.
15298 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15300 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15302 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15305 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15308 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15310 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15314 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15316 PR middle-end/26334
15317 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15318 instead of DECL_REGISTER.
15320 2006-02-18 Olivier Hainque <hainque@adacore.com>
15323 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15325 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15328 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15329 * opth-gen.awk: Handle Var and InverseMask together.
15330 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15331 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15332 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15333 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15335 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15336 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15337 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15338 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15339 LINUX_DYNAMIC_LINKER): Define.
15340 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15341 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15343 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15344 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15345 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15346 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15347 (TARGET_C99_FUNCTIONS): Don't define.
15348 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15349 GLIBC_DYNAMIC_LINKER.
15350 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15351 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15352 GLIBC_DYNAMIC_LINKER64): Define.
15353 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15354 LINUX_DYNAMIC_LINKER64.
15355 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15356 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15357 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15358 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15359 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15360 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15361 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15362 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15363 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15364 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15365 and LINUX_DYNAMIC_LINKER32.
15366 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15368 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15369 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15370 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15372 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15373 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15374 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15375 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15376 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15377 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15378 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15379 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15380 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15381 LINUX_DYNAMIC_LINKER): Define.
15382 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15383 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15384 GLIBC_DYNAMIC_LINKER64): Define.
15385 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15386 LINUX_DYNAMIC_LINKER64.
15387 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15388 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15389 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15390 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15391 LINUX_DYNAMIC_LINKER): Define.
15392 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15393 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15394 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15395 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15396 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15397 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15398 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15399 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15400 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15401 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15402 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15403 * doc/invoke.texi (-muclibc): Remove caveat about supported
15406 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15408 * doc/cpp.texi (__TIMESTAMP__): Document.
15410 2006-02-17 Roger Sayle <roger@eyesopen.com>
15412 PR middle-end/25600
15413 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15414 C is one less than the width of X (and related transformations).
15415 * simplify-rtx.c (simplify_unary_operation_1): Transform
15416 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15417 depending on STORE_FLAG_VALUE, were C is one less then the
15420 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15422 Fix PR tree-optimization/26341
15423 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15424 about NAME_MEMORY_TAG's.
15426 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15429 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15430 with hardware float support, and software float support. Add fcpy
15431 alternative to hardware patterns. Add alternatives to copy between
15432 general and floating-point registers to the 32-bit pattern.
15433 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15434 secondary reload to load a QI or HI mode constant into a floating
15436 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15437 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15439 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15442 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15444 (load_macho_picbase_di): Likewise.
15446 2006-02-16 Jeff Law <law@redhat.com>
15448 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15449 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15450 (ssa_name_nonzero_p): Likewise.
15451 (get_value_range): Return NULL if VRP is not running.
15452 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15453 VRP routines do not discover a range.
15454 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15455 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15456 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15457 (tree_expr_nonnegative_p): Similarly.
15458 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15459 (restore_nonzero_vars_to_original_value): Remove.
15460 (unsafe_associative_fp_binop): Remove.
15461 (tree_ssa_dominator_optimize): Remove initialization and
15462 finalization of nonzero_vars and nonzero_vars_stack.
15463 (dom_opt_initialize_block): No longer push marker on
15464 nonzero_vars_stack.
15465 (dom_opt_finalize_block): No longer call
15466 restore_nonzero_vars_to_original_value.
15467 (record_equivalences_from_phis): No longer look for
15468 nonzero PHI arguments.
15469 (cprop_into_successor_phis): No longer propagate nonzero
15470 property into PHI arguments. Lose unused argument. Caller
15472 (record_equivalences_from_stmt): No longer record nonzero
15473 values for SSA_NAMEs.
15474 (lookup_avail_expr): No longer use nonzero_vars.
15476 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15477 for sizetype when sizetype is unsigned.
15479 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15481 PR rtl-optimization/25603
15482 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15483 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15484 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15485 with new meaning of SETS.
15487 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15492 * config/linux.opt: New file.
15493 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15494 LINUX_DYNAMIC_LINKER): Define.
15495 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15496 * config.gcc (*-*-linux*): Define extra_options.
15497 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15498 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15499 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15500 GLIBC_DYNAMIC_LINKER.
15501 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15502 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15503 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15505 * doc/invoke.texi (GNU/Linux Options): New section.
15507 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15509 * config/sparc/sparc.md (setjmp): Rewrite.
15510 (setjmp_32): Delete.
15511 (setjmp_64): Likewise.
15513 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15515 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15518 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15520 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15523 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15525 PR rtl-optimization/26296
15526 * Makefile.in (loop-invariant.c): Add except.h dependency.
15527 * loop-invariant.c: Include except.h.
15528 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15530 2005-02-16 Paul Brook <paul@codesourcery.com>
15532 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15535 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15537 PR rtl-optimization/25636
15538 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15539 when deciding whether an insn is an initializing insn.
15541 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15543 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15544 (tree_code_size): Ditto.
15545 * tree.h (struct tree_memory_tag): Remove parent_var.
15546 (struct tree_struct_field_tag): New.
15549 (union tree_node): Add sft member.
15550 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15552 (create_sft): Add size and offset argument, set SFT_OFFSET and
15554 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15555 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15556 * tree-flow-inline.h (get_subvar_at): Update for
15557 SFT_OFFSET/SFT_SIZE.
15558 (var_can_have_subvars): Ditto.
15559 (overlap_subvar): Ditto.
15560 * print-tree.c (print_node): Print out interesting things for
15562 * tree-flow.h (struct subvar): Remove offset and size members.
15563 * tree-ssa-operands.c (get_expr_operands): Update for
15564 get_indirect_ref_operands changes.
15565 (get_indirect_ref_operands): Call add_virtual_operand instead of
15566 add_stmt_operand. Only recurse on base var if requested.
15567 (access_can_touch_variable): New function.
15568 (add_stmt_operand): Split virtual operand handling into ...
15569 (add_virtual_operand): Here. Add offset, size, and for_clobber
15570 arguments. Prune alias sets.
15571 (add_call_clobber_ops): Call add_virtual_operand.
15573 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15575 PR middle-end/26300
15576 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15578 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15579 than TREE_CODE as index into omp_clause_num_ops array.
15581 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15583 PR rtl-optimization/26184
15584 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15586 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15587 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15588 must_precede, must_follow and tobe_scheduled.
15591 * opts.c (common_handle_option): Free new_option pointer.
15592 * df-core.c (df_analyze): Free postorder pointer.
15594 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15596 * Makefile.in: Fix the examples about the use of stamps
15598 2006-02-15 Michael Matz <matz@suse.de>
15600 PR middle-end/22275
15602 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15603 influenced by maximum_field_alignment or DECL_PACKED.
15604 (update_alignment_for_field): Ditto.
15605 (place_field): Ditto.
15606 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15609 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15611 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15612 (debug_flow_info): Pass it.
15613 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15614 * bb-reorder.c (reorder_basic_blocks): Likewise.
15615 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15616 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15617 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15618 * gcse.c (gcse_main, bypass_jumps): Likewise.
15619 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15620 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15621 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15622 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15623 * rtl.h (dump_flow_info): Adjust prototype.
15624 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15625 * var-tracking.c (variable_tracking_main): Likewise.
15626 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15627 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15630 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15632 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15635 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15637 PR tree-optimization/26209
15638 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15639 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15641 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15643 2006-02-14 Roger Sayle <roger@eyesopen.com>
15645 PR middle-end/23670
15646 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15647 (X,Y) and the corresponding symmetry related transformations.
15648 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15649 (X,Y) and its symmetry related transformations.
15651 2006-02-14 Roger Sayle <roger@eyesopen.com>
15653 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15656 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15658 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15660 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15663 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15664 support COMDAT group.
15665 * configure: Regenerate.
15667 2006-02-14 Roger Sayle <roger@eyesopen.com>
15669 PR middle-end/26279
15670 PR middle-end/26280
15671 PR middle-end/26283
15672 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15674 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15676 Fix PR tree-optimization/26260
15678 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15680 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15681 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15682 * tree-ssa-structalias.c (create_variable_info_for): Use
15683 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15685 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15687 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15689 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15690 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15691 of the ending condition.
15692 * tree-ssa-loop-manip.c: Include params.h.
15693 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15694 tree_unroll_loop): New functions.
15695 * tree-pass.h (pass_loop_prefetch): Declare.
15696 * loop.c (rest_of_handle_loop_optimize): Test for
15697 -fprefetch-loop-arrays-rtl.
15698 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15699 * timevar.def (TV_TREE_PREFETCH): New timevar.
15700 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15701 pass_loop_prefetch): New.
15702 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15703 (cleanup_tree_cfg_loop): Call scev_reset.
15704 * common.opt (fprefetch-loop-arrays-rtl): Add.
15705 * tree-ssa-loop-prefetch.c: New file.
15706 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15707 (new_temp_expr_table): Initialize expr_vars.
15708 (free_temp_expr_table): Cleanup expr_vars.
15709 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15710 expressions from being merged into one.
15711 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15712 (struct tree_niter_desc): Add control, bound and cmp fields.
15713 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15715 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15716 (tree-cfgcleanup.o): Add SCEV_H dependency.
15717 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15718 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15720 2006-02-14 Richard Guenther <rguenther@suse.de>
15722 PR tree-optimization/26258
15723 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15724 in PHI argument processing.
15726 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15728 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15729 new expression in the requested machine mode.
15731 2006-02-13 Roger Sayle <roger@eyesopen.com>
15733 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15734 directly, instead let do_compare_rtx_and_jump handle this for us.
15735 * expr.c (expand_expr_real_1): Likewise.
15736 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15737 before do_jump_by_parts_greater.
15738 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15739 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15741 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15743 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15745 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15747 PR rtl-optimization/26235
15748 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15749 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15752 2006-02-13 Jeff Law <law@redhat.com>
15754 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15757 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15759 PR middle-end/26092
15760 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15761 twice if decl is a builtin. When trying again, call get_callee_fndecl
15762 first to verify it is still a builtin.
15764 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15766 * dwarf2out.c (base_type_die): Don't add AT_name here.
15767 (subrange_type_die): Don't add AT_name here.
15768 (modified_type_die): Rearrange code flow. Do add AT_name here.
15770 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15772 PR rtl-optimization/26247
15773 PR rtl-optimization/26248
15774 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15776 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15778 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15779 * config/fixtfdi.c: Likewise.
15780 * config/fixunstfdi.c: Likewise.
15781 * config/floatditf.c: Likewise.
15783 2006-02-13 Roger Sayle <roger@eyesopen.com>
15785 PR middle-end/24427
15786 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15787 into (X,C2) if C1 is a subset of the bits of C2. Transform
15788 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15790 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15792 2006-02-13 Josh Conner <jconner@apple.com>
15795 * varasm.c (function_section): Check for section name before
15796 calling select_section on targets that define
15797 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15798 unlikely_text_section instead of hot_function_section if
15799 first_function_block_is_cold.
15801 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15803 PR middle-end/25335
15804 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15806 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15808 PR rtl-optimization/26222
15809 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15810 after tree->rtl expansion.
15811 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15812 before passing it to emit_move_insn.
15814 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15816 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15818 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15819 Clarify documentation.
15820 * c-common.h (warn_write_strings): Remove.
15821 * c-common.c (warn_write_strings): Likewise.
15822 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15825 2006-02-12 Roger Sayle <roger@eyesopen.com>
15827 PR middle-end/25724
15828 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15829 (do_jump_parts_zero_rtx): New function renamed from
15830 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15831 (do_jump_parts_equality_rtx): New function split out from
15832 do_jump_parts_equality. Old implementation renamed as above.
15833 Call do_jump_parts_zero_rtx if either operand is zero.
15834 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15835 do all of the heavy lifting.
15836 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15837 calling either do_jump_by_parts_greater_rtx or
15838 do_jump_by_parts_equality_rtx.
15839 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15840 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15841 moved to do_compare_rtx_and_jump, call it directly.
15842 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15843 mode argument. Call do_compare_rtx_and_jump.
15844 (emit_case_nodes): Update calls to do_jump_if_equal.
15846 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15848 PR rtl-optimization/26225
15849 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15851 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15853 PR rtl-optimization/26232
15854 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15856 2006-02-11 Jason Merrill <jason@redhat.com>
15859 * tree-inline.c (declare_return_variable): Just don't use the
15860 modify target if it's a gimple complex reg and the return slot
15863 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15865 * doc/contrib.texi: Update my entry.
15867 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15869 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15871 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15873 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15876 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15878 * doc/invoke.texi (-floop-optimize2): Removed.
15879 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15880 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15881 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15882 * common.opt (floop-optimize2): Removed.
15883 (fmove-loop-invariants): Enabled by default.
15885 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15887 * tree-if-conv.c (combine_blocks): Free the result of
15888 get_loop_exit_edges.
15890 2006-02-10 Jeff Law <law@redhat.com>
15892 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15894 PR tree-optimization/26213
15895 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15896 loop trying to follow SSA_NAME_VALUE chains.
15898 2006-02-10 Richard Guenther <rguenther@suse.de>
15900 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15901 deal with structures that end in implicitly variable sized arrays.
15903 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15905 PR rtl-optimization/24762
15906 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15909 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15911 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15912 (struct ivopts_data): Add regs_used field.
15913 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15914 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15915 instead of loop_data->regs_used;
15916 (free_loop_data): Do not free aux fields for loops.
15917 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15918 and tree_ssa_iv_optimize_finalize.
15920 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15922 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15924 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15927 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15928 computing the effective result type.
15930 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15932 PR inline-asm/16194
15933 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15934 (tree_overlaps_hard_reg_set): Declare.
15935 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15936 type and signature to match function type expected by walk_tree.
15937 (tree_overlaps_hard_reg_set): New function.
15938 (decl_conflicts_with_clobbers_p): Rename to:
15939 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15940 Use tree_overlaps_hard_reg_set. Changed caller.
15941 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15942 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15943 * cris.c (cris_md_asm_clobbers): Likewise.
15945 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15947 * reload1.c (emit_input_reload_insns): Delete code that tries to
15948 inherit using find_equiv_reg.
15950 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15952 * c-common.h (flag_const_strings): Don't declare.
15953 * c-common.c (flag_const_strings): Remove.
15954 * c.opt (fconst_strings): Remove.
15955 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15956 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15957 (c_common_init_options): Don't set flag_const_strings.
15958 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15960 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15962 * arm.md (tlobits_cbranch): New pattern.
15963 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15964 testing a single bit.
15966 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15969 * tree-ssa-pre.c (create_component_ref_by_pieces):
15970 Handle RETURN_DECL like VAR_DECL.
15972 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15974 PR middle-end/26134
15975 * fold-const.c (fold_indirect_ref_1): Fold
15976 "*(foo *)&complexfoo" to "__real__ complexfoo"
15977 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15979 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15981 * tree-flow-inline.h (var_can_have_subvars):
15982 Volatile variables should not have subvariables.
15984 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15987 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15988 multiplying unsigned values.
15991 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15993 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15995 2006-02-08 Jason Merrill <jason@redhat.com>
15998 * tree.def: Elaborate on difference from MODIFY_EXPR.
15999 * doc/c-tree.texi (INIT_EXPR): Likewise.
16000 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
16001 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
16002 (gimplify_target_expr): Likewise.
16003 (gimplify_cond_expr): Remove target handling.
16004 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
16005 (gimplify_expr): Clobber it here.
16006 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
16007 Do return slot optimization if we have an INIT_EXPR.
16010 * tree-inline.c (declare_return_variable): Also clear
16011 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
16014 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
16016 PR middle-end/22439
16017 * gimplify.c (gimplify_one_sizepos): Fix typo.
16019 2006-02-08 Jeff Law <law@redhat.com>
16021 PR tree-optimization/21417
16022 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
16023 across a backedge if the control statement at the end of the
16024 block is data dependent on other statements in the same block.
16025 (record_temporary_equivalences_from_stmts): Remove over-conservative
16026 test for threading across backedges.
16028 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
16029 control statement, handle all three special cases in the same
16030 manner as they all have the same desired solution. No longer
16031 special case edge flag updating when the post dominator is
16034 2006-02-08 Roger Sayle <roger@eyesopen.com>
16036 * tree.def (CHAR_TYPE): Remove.
16037 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
16038 * dwarf2out.c (base_type_die, is_base_type): Likewise.
16039 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
16040 (gen_string_type_die): Delete unreachable function.
16042 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
16043 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
16044 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
16045 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
16046 * builtins.c (type_to_class): Likewise.
16047 * fold-const.c (fold_convert, build_range_check,
16048 merge_ranges): Likewise.
16049 * expr.c (count_type_elements): Likewise.
16050 * c-pretty-print.c (pp_c_type_specifier): Likewise.
16051 * stor-layout.c (layout_type): Likewise.
16052 * ipa-type-escape.c (type_to_consider): Likewise.
16053 * gimplify.c (omp_firstprivatize_type_sizes,
16054 gimplify_type_sizes): Likewise.
16055 * explow.c (promote_mode): Likewise.
16056 * tree-sra.c (is_sra_scalar_type): Likewise.
16057 * varasm.c (output_constant): Likewise.
16058 * tree-inline.c (remap_type_1): Likewise.
16059 * convert.c (convert_to_pointer, convert_to_real,
16060 convert_to_integer, convert_to_complex): Likewise.
16062 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
16064 * df-scan.c (df_def_record_1): A set destination may
16065 be a parallel regardless of mode.
16067 2006-02-08 Roger Sayle <roger@eyesopen.com>
16070 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
16071 * config/mips/_tilib.c: Remove.
16072 * config/fixtfdi.c: New libgcc source file.
16073 * config/fixunstfdi.c: New source file.
16074 * config/floatditf.c: New source file.
16075 * config/floatunditf.c: New souce file.
16076 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
16077 files above instead of config/mips/_tilib.c.
16078 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
16080 2006-02-08 Jeff Law <law@redhat.com>
16082 PR tree-optimization/26169
16083 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
16086 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
16088 * df.h (DF_REG_SIZE): Return the length of the initialized
16091 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
16093 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
16094 __muldf3): Return a correctly signed zero.
16096 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
16098 * passes.c (register_one_dump_file): Accept the current properties
16099 instead of pass number. Adjust call to dump_register. Remove
16101 (register_dump_files): Now a wrapper around...
16102 (register_dump_files_1): ... this one. Do not modify the pass
16104 (next_pass_1): Cosmetic fix.
16105 (execute_todo): Keep second parameter only. Use curr_properties
16106 instead of fetching it from the pass structure. Check and set
16108 (execute_one_pass): Handle TODO_set_props. Use curr_properties
16109 instead of fetching it from the pass structure. Fix calls to
16110 execute_todo. Update curr_properties and initialize .vcg RTL dump
16111 after running the pass. Reset last_verified.
16112 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
16114 (FIRST_AUTO_NUMBERED_DUMP): New.
16115 (dump_register): Remove "num" parameter, assign it within the
16117 (get_dump_file_name): Modify template for dumps.
16118 * tree-dump.h (dump_register): Adjust prototype.
16119 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
16120 (PROP_trees): Add PROP_gimple_lomp.
16121 (TODO_set_props): New.
16122 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
16123 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
16124 * cfgexpand.c (pass_expand): Destroy PROP_trees.
16126 2006-02-08 Jakub Jelinek <jakub@redhat.com>
16128 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
16129 (sparc64-*-linux*): Likewise.
16130 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
16131 * config/sparc/t-linux: New file.
16132 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
16133 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
16134 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
16135 -m32 -mlong-double-128.
16137 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
16138 * config/alpha/t-linux: New file.
16139 * config/alpha/libgcc-alpha-ldbl.ver: New file.
16141 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
16142 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
16143 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
16144 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
16145 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
16146 (CPP_ARCH32_SPEC): Remove.
16148 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
16150 PR tree-optimization/26145
16151 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
16154 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16157 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
16158 >= 240000 when generating code for SOM runtime.
16159 (output_indirect_call): Don't use "b,l" instruction for indirect calls
16160 to $$dyncall when generating code for SOM runtime..
16162 2006-02-07 Dirk Mueller <dmueller@suse.com>
16165 * doc/invoke.texi (-Wsequence-point): Update documentation
16166 that -Wsequence-point is implemented for C++ as well.
16168 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16170 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16171 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16172 (LIB_SPEC): Likewise.
16173 * doc/invoke.texi (SPARC options): Document -pthread.
16175 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16177 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16180 2006-02-07 Roger Sayle <roger@eyesopen.com>
16182 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16183 Correct comment describing BOOLEAN_TYPE.
16185 2006-02-07 Dirk Mueller <dmueller@suse.com>
16187 * c.opt: C++ frontend supports -Wdiv-by-zero.
16188 * c-opts.c (c_common_handle_option): Remove dead case.
16190 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16192 * configure.ac (TLS assembler check): Do not enable TLS by
16193 default on SPARC/Solaris before version 10.
16194 * configure: Regenerate.
16196 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16198 * doc/invoke.texi (xl-compat): Document conversion and support
16201 2006-02-07 Jeff Law <law@redhat.com>
16203 * tree-vrp.c (find_conditional_asserts): Update comments.
16204 (simplify_stmt_for_jump_threading): New.
16205 (identify_jump_threads, finalize_jump_threads): New.
16206 (vrp_finalize): Call identify_jump_threads.
16207 (execute_vrp): Call finalize_jump_threads.
16208 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16209 (vrp_element, vrp_data, vrp_element_p): Remove.
16210 (vrp_hash_elt, vrp_variables_stack): Remove.
16211 (vrp_hash, vrp_eq, record_range): Remove.
16212 (simplify_cond_and_lookup_avail_expr): Remove.
16213 (extract_range_from_cond): Remove.
16214 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16215 (simplify_stmt_for_jump_threading): New.
16216 (dom_thread_across_edge): New wrapper.
16217 (tree_ssa_dominator_optimize): No longer initialize or
16218 finalize any of the VRP datastructures. Remove iteration
16219 step and simplify as a result of removal of iteration step.
16220 (pass_dominator): Perform a cfg cleanup after DOM.
16221 (dom_opt_finalize_block): Use the new common routines
16222 for threading jumps. Simplify stack management slightly.
16223 No longer need to unwind VRP state.
16224 (record_equivalences_from_incoming_edge): No longer record
16226 (eliminate_redundant_computations): No longer call
16227 simplify_cond_and_lookup_avail_expr.
16228 * tree-flow.h (potentially_threadable_block): Prototype.
16229 (thread_across_edge): Likewise.
16230 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16231 (tree-ssa-threadedge.o): Add dependencies.
16232 * tree-ssa-threadedge.c: New file.
16233 * passes.c (init_optimization_passes): Merge PHIs before
16234 calling VRP. Run VRP again late in the SSA optimization pipeline.
16236 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16238 * df-core.c (df_set_blocks): Do not dereference function pointers.
16239 (df_finish1): Likewise.
16240 (df_hybrid_search_forward): Likewise.
16241 (df_hybrid_search_backward): Likewise.
16242 (df_iterative_dataflow): Likewise.
16243 (df_analyze_problem): Likewise.
16244 (df_compact_blocks): Likewise.
16245 (df_dump): Likewise.
16246 * df-scan.c (df_rescan_blocks): Likewise.
16247 (df_record_entry_block_defs): Likewise.
16249 * genconditions.c (write_conditions): Guard the definition of
16250 'insn_conditions' with the check on GCC version.
16251 (write_writer): Guard the traversal 'insn_conditions' with
16252 the check on GCC version.
16254 2006-02-07 Richard Guenther <rguenther@suse.de>
16258 2006-01-30 Richard Guenther <rguenther@suse.de>
16260 * gimplify.c (gimplify_target_expr): Handle easy cases
16261 without creating a temporary.
16263 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16265 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16266 use of float in probability computations. Use edge probabilities
16267 in place of statically computed probabilities.
16268 (min_spec_prob): New static variable.
16269 (schedule_insns): Initialize it.
16270 (GET_SRC_PROB): Removed.
16271 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16273 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16276 * config/ia64/unwind-ia64.c: Revert last change.
16277 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16278 (INCOMING_FRAME_SP_OFFSET): Define.
16280 2006-02-06 Roger Sayle <roger@eyesopen.com>
16282 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16284 2006-02-07 Ben Elliston <bje@au.ibm.com>
16286 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16287 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16288 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16289 (ix86_return_in_memory): Handle TDmode.
16290 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16291 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16293 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16295 * reorg.c (dbr_schedule): Use dump_file instead of file.
16297 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16300 * config/ia64/predicates.md (extr_len_operand): New predicate.
16301 * config/ia64/ia64.md (extv): Tighten constraints.
16303 (*tbit_and_2): Ditto.
16304 (*tbit_and_3): Ditto.
16305 (*tbit_or_2): Ditto.
16306 (*tbit_or_3): Ditto.
16307 (*bit_zero): Ditto.
16310 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16313 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16315 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16317 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16318 loop_optimizer_init and loop_optimizer_finalize
16319 * tree-ssa-sink.c (execute_sink_code): Ditto.
16320 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16321 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16322 tree_ssa_loop_done): Ditto.
16323 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16324 * sched-ebb.c: Include output.h.
16325 (schedule_ebbs): Do not use dump argument.
16326 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16327 * loop.c (loop_dump_stream): Removed.
16328 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16330 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16331 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16332 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16333 loop_iterations, strength_reduce, record_biv, record_giv,
16334 final_giv_value, check_final_value, check_ext_dependent_givs,
16335 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16336 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16337 dump_file instead of loop_dump_stream.
16338 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16339 argument dump_file.
16340 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16342 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16343 * haifa-sched.c: Include output.h
16344 (schedule_insns, sched_init): Do not use dump argument.
16345 * mode-switching.c (optimize_mode_switching): Ditto.
16346 * modulo-sched.c (stats_file): Removed.
16347 (print_node_sched_params): Do not call argument dump_file.
16348 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16349 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16351 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16353 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16354 rtl_loop_init, rtl_loop_done): Ditto.
16355 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16356 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16358 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16359 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16360 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16361 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16362 * emit-rtl.c (renumber_insns): Ditto.
16363 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16364 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16365 * regclass.c (regclass): Ditto.
16366 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16367 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16368 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16369 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16371 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16372 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16374 * gcse.c (gcse_file, debug_stderr): Removed.
16375 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16376 rest_of_handle_gcse): Do not use dump argument.
16377 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16378 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16379 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16380 compute_code_hoist_vbeinout, compute_code_hoist_data,
16381 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16382 compute_store_table, build_store_vectors, insert_insn_start_bb,
16383 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16384 store_motion): Use dump_file instead of gcse_file.
16385 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16386 * profile.c (profile_dump_file): Removed.
16387 (branch_prob): Use dump_file instead of profile_dump_file.
16388 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16390 * tree-ssa-copy.c (dump_copy_of): Ditto.
16391 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16392 dump file to life_analysis.
16393 * bt-load.c (branch_target_load_optimize): Ditto.
16394 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16396 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16397 regclass, dbr_schedule): Declaration changed.
16398 * sched-int.h (sched_init): Declaration changed.
16399 * tree-profile.c (tree_profile_dump_file): Removed.
16400 (tree_profile_hooks): Removed profile_dump_file hook.
16401 * rtl-profile (rtl_profile_dump_file): Removed.
16402 (rtl_profile_hooks): emoved profile_dump_file hook.
16403 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16405 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16406 * tree-cfg.c (build_tree_cfg): Ditto.
16407 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16408 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16409 Declaration changed.
16410 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16411 life_analysis and schedule_insns.
16412 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16414 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16416 * config/mips/mips.c (mips_reorg): Ditto.
16417 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16420 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16422 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16423 (s390_mangle_fundamental_type): New.
16424 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16427 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16428 (alpha_mangle_fundamental_type): New.
16429 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16432 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16434 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16436 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16437 (sparc_mangle_fundamental_type): New.
16439 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16441 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16442 (s390x-*-linux*): Likewise.
16443 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16444 * config/s390/t-linux: New file.
16446 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16448 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16449 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16451 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16453 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16454 (ANTIC_SAFE_LOADS): New macro.
16455 (find_or_generate_expression): Add prototype.
16456 (set_contains_value): Allow null set for sake of not always having
16457 to allocate ANTIC_SAFE_LOADS.
16458 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16459 Allow COMPONENT_REF too.
16460 (valid_in_set): Allow COMPONENT_REF.
16461 Check ANTIC_SAFE_LOADS too.
16462 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16463 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16465 (can_PRE_operation): Add COMPONENT_REF.
16466 (create_component_ref_by_pieces): New function.
16467 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16468 (insert_aux): Move AGGREGATE_TYPE_P check here.
16469 (compute_avail): Set bb local stmt uids.
16470 (pass_pre): Use TODO_update_ssa_only_virtuals.
16472 2006-02-06 Ben Elliston <bje@au.ibm.com>
16474 * configure.ac: Unconditionally disable decimal float by default.
16475 * configure: Regenerate.
16477 2006-02-06 Ben Elliston <bje@au.ibm.com>
16479 * read-rtl.c (read_name): Terminate reading on EOF.
16481 2006-02-06 Ben Elliston <bje@au.ibm.com>
16483 * dfp.c (decimal_real_arithmetic): Change second argument type
16484 from int to enum tree_code. Do not always return true, but now
16485 return result of any call to decimal_do helper functions.
16486 * dfp.h (decimal_real_arithmetic): Update prototype.
16488 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16490 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16492 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16495 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16498 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16500 * tree-vrp.c (cfg_loops): Removed.
16501 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16502 Use current_loops instead of cfg_loops. Pass flags to
16503 loop_optimizer_init.
16504 * cfgloopmanip.c (fix_loop_structure): Update only available
16506 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16507 loop_optimizer_init.
16508 * modulo-sched.c (build_loops_structure): Removed.
16509 (sms_schedule): Use loop_optimizer_init.
16510 * loop-init.c (loop_optimizer_init): Use flags to determine
16511 which properties of loops to prepare.
16512 (rtl_loop_init): Pass flags to loop_optimizer_init.
16513 * tree-ssa-sink.c (execute_sink_code): Ditto.
16514 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16515 * tree-ssa-pre.c (init_pre): Ditto.
16516 * cfgloop.h (LOOPS_NORMAL): New.
16517 (loop_optimizer_init): Declaration changed.
16519 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16521 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16522 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16524 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16526 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16528 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16529 * pa/t-pa64: Delete quadlib.c rule.
16530 * pa/x-ada: Revert last change.
16531 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16533 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16535 PR rtl-optimization/26087
16536 * rtlanal.c (canonicalize_condition): Do not cross basic block
16539 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16542 * config/ia64/ia64.c: Include debug.h.
16543 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16544 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16545 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16546 (process_epilogue, process_set, process_for_unwind_directive):
16547 Output unwind info only if requested. Add CFA info if requested.
16548 Add new arguments as needed. Adjust callers.
16549 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16551 (DWARF2_FRAME_INFO): Define to zero.
16552 * config/ia64/unwind-ia64.c: Remove code that compensated for
16553 the CFA offset error fixed above.
16554 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16555 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16556 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16557 -funwind-tables and -fexceptions to enable frame info.
16558 (dwarf2out_frame_init): Define initial CFA even if
16559 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16560 DWARF2_UNWIND_INFO is nonzero, not just defined.
16561 (dwarf2out_frame_finish): Output non-EH call frame info only
16562 if DWARF2_FRAME_INFO is nonzero.
16563 (convert_cfa_to_loc_list,
16564 compute_frame_pointer_to_cfa_displacement): Define even if
16565 unwind info is not supported.
16566 (gen_subprogram_die): Use the above unconditionally. Remove
16567 legacy alternate code.
16568 * toplev.c (compile_file): Compile in call to
16569 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16570 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16572 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16573 Jakub Jelinek <jakub@redhat.com>
16575 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16576 IBM extended float format long double as "g" on powerpc*-linux.
16578 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16581 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16582 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16584 2006-02-03 Jason Merrill <jason@redhat.com>
16587 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16589 PR middle-end/25977
16590 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16591 on the return slot if it's an NRV.
16593 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16595 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16596 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16597 rewrite_use): Do not handle USE_OUTER.
16598 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16599 add_iv_outer_candidates, may_replace_final_value,
16600 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16601 (find_interesting_uses_op): Functionality of
16602 find_interesting_uses_outer_or_nonlin moved here.
16603 (find_interesting_uses_outside): Use find_interesting_uses_op.
16605 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16608 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16610 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16611 Ulrich Weigand <uweigand@de.ibm.com>
16614 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16615 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16616 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16617 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16619 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16620 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16621 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16622 Define secondary reloads for TFmode moves.
16623 (constant_modes): Add TFmode.
16624 (NR_C_MODES): Set to 8.
16625 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16627 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16628 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16629 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16630 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16631 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16632 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16633 (FPR mode macro): Add TFmode.
16634 (DSF mode macro): New.
16635 (<de>, <dee> mode attributes): Removed.
16636 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16637 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16638 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16639 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16640 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16641 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16642 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16643 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16644 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16645 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16646 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16647 "*negabs<mode>2", "sqrt<mode>2"):
16648 Changed <de> to <xde>. R constraint replaced by <Rf>.
16649 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16651 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16652 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16653 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16655 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16656 "extenddftf2", "extendsftf2"): New expanders.
16657 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16658 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16659 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16660 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16662 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16663 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16664 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16665 __floatditf): Add a GCC_4.1.0 symbol version tag.
16666 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16669 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16672 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16673 Use targetm.binds_local_p instead of TREE_PUBLIC.
16675 2006-02-02 Roger Sayle <roger@eyesopen.com>
16677 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16678 on INTEGER_TYPEs to indicate that it denotes a character type.
16679 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16680 signed_char_type_node, unsigned_char_type_node and char_type_node.
16681 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16682 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16683 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16685 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16686 Daniel Berlin <dberlin@dberlin.org>
16688 * tree-tailcall.c (arg_needs_copy_p): New function.
16689 (eliminate_tail_call): Use arg_needs_copy_p.
16690 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16691 (add_virtual_phis): New function.
16693 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16695 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16696 #ignore instead of #scratch for %g7 .register directive.
16698 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16700 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16703 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16705 * flow.c (calculate_global_regs_live): Assert that there aren't any
16708 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16710 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16711 what its name says.
16712 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16713 bsi_after_labels iterator.
16714 * tree-if-conv.c (find_phi_replacement_condition,
16715 replace_phi_with_cond_modify_expr): Likewise.
16716 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16717 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16719 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16721 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16723 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16726 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16727 array after growing it.
16729 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16731 PR middle-end/24901
16732 * fold-const.c (fold_checksum_tree): Change type of buf.
16734 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16736 * reload.c (push_secondary_reload): Initialize t_icode.
16738 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16740 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16741 -msoft-float -mlong-double-128 only issue a warning, but don't
16742 swich to DFmode long double.
16744 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16746 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16747 has a constant equivalent, iterate over equivalents for arg0,
16748 calling simplify_relational_operation and if there's a result
16749 cheaper than X, apply fold_rtx and return the result.
16751 2006-02-01 Jan Hubicka <jh@suse.cz>
16753 * opts.c (no_unit_at_a_time_default): New global variable.
16754 (decode_options): Use it.
16755 * opts.h (no_unit_at_a_time_default): Declare.
16757 2006-02-01 Paul Brook <paul@codesourcery.com>
16759 * function.c (assign_parm_setup_reg): Use function argument promotion
16761 * expr.c (expand_expr_real_1): Use function argument promotion rules
16764 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16766 * gcc.c (process_command): Change j to 'unsigned int'.
16768 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16770 PR middle-end/26001
16771 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16772 Use the corrected index for the character
16773 out of the string constant.
16775 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16777 * mode-switching.c (optimize_mode_switching): Fix size
16778 allocated for bb_info[n_entities].
16780 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16782 * gcc.c (main): Correct type that is allocated for
16783 explicit_link_files.
16785 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16787 * config/s390/s390.c (init_alignment_context): Set
16788 ALIAS_SET_MEMORY_BARRIER on the MEM.
16789 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16791 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16793 PR middle-end/25933
16794 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16796 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16799 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16801 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16802 * regrename.c: Ditto.
16803 * tree-ssa-loop-im.c: Ditto.
16804 * tree-dump.c: Ditto.
16805 * tree-complex.c: Ditto.
16806 * genrecog.c: Ditto.
16807 * tree-ssa-threadupdate.c: Ditto.
16809 * java/class.c: Ditto.
16810 * java/jcf-parse.c: Ditto.
16811 * java/resource.c: Ditto.
16812 * java/except.c: Ditto.
16813 * java/jvspec.c: Ditto.
16814 * java/jcf-write.c: Ditto.
16815 * java/jcf-path.c: Ditto.
16816 * java/gjavah.c: Ditto.
16817 * java/zextract.c: Ditto.
16818 * java/jcf-io.c: Ditto.
16819 * java/jcf.h: Ditto.
16820 * java/buffer.c: Ditto.
16821 * java/lang.c: Ditto.
16822 * java/parse-scan.y: Ditto.
16823 * java/lex.c: Ditto.
16824 * java/lex.h: Ditto.
16825 * cfgloopmanip.c: Ditto.
16826 * postreload-gcse.c: Ditto.
16827 * tree-ssa-loop-manip.c: Ditto.
16828 * postreload.c: Ditto.
16829 * tree-ssa-loop-ch.c: Ditto.
16832 * cppspec.c: Ditto.
16833 * diagnostic.c: Ditto.
16835 * genoutput.c: Ditto.
16837 * cfghooks.c: Ditto.
16838 * cfgloopanal.c: Ditto.
16839 * objc/objc-act.c: Ditto.
16841 * genextract.c: Ditto.
16842 * genautomata.c: Ditto.
16843 * pretty-print.c: Ditto.
16844 * genemit.c: Ditto.
16845 * cgraphunit.c: Ditto.
16847 * df-scan.c: Ditto.
16848 * haifa-sched.c: Ditto.
16849 * dominance.c: Ditto.
16851 * tree-ssa-loop-ivopts.c: Ditto.
16852 * df-core.c: Ditto.
16853 * mode-switching.c: Ditto.
16854 * modulo-sched.c: Ditto.
16856 * ipa-pure-const.c: Ditto.
16858 * fix-header.c: Ditto.
16860 * tree-stdarg.c: Ditto.
16861 * ipa-utils.c: Ditto.
16862 * loop-init.c: Ditto.
16863 * ipa-inline.c: Ditto.
16864 * cfganal.c: Ditto.
16866 * alloc-pool.c: Ditto.
16867 * dwarf2out.c: Ditto.
16869 * genattrtab.c: Ditto.
16870 * tree-ssa-loop-ivcanon.c: Ditto.
16871 * predict.c: Ditto.
16872 * timevar.c: Ditto.
16874 * fortran/gfortranspec.c: Ditto.
16875 * regmove.c: Ditto.
16876 * local-alloc.c: Ditto.
16877 * langhooks.c: Ditto.
16878 * function.c: Ditto.
16879 * tree-vectorizer.c: Ditto.
16881 * ipa-type-escape.c: Ditto.
16883 * tree-if-conv.c: Ditto.
16884 * profile.c: Ditto.
16886 * tree-data-ref.c: Ditto.
16887 * loop-unroll.c: Ditto.
16888 * treelang/treetree.c: Ditto.
16890 * bt-load.c: Ditto.
16891 * ggc-common.c: Ditto.
16893 * coverage.c: Ditto.
16895 * tree-cfgcleanup.c: Ditto.
16896 * tree-ssa-pre.c: Ditto.
16897 * cfgcleanup.c: Ditto.
16898 * loop-invariant.c: Ditto.
16899 * loop-iv.c: Ditto.
16900 * ipa-prop.c: Ditto.
16901 * print-tree.c: Ditto.
16902 * conflict.c: Ditto.
16903 * ggc-page.c: Ditto.
16904 * sched-deps.c: Ditto.
16905 * regclass.c: Ditto.
16906 * tree-object-size.c: Ditto.
16907 * combine.c: Ditto.
16908 * bb-reorder.c: Ditto.
16909 * resource.c: Ditto.
16910 * var-tracking.c: Ditto.
16911 * cfgloop.c: Ditto.
16912 * df-problems.c: Ditto.
16913 * reg-stack.c: Ditto.
16915 * gccspec.c: Ditto.
16916 * sched-rgn.c: Ditto.
16917 * tree-ssa-structalias.c: Ditto.
16918 * tree-ssa-reassoc.c: Ditto.
16919 * config/darwin-c.c: Ditto.
16920 * config/darwin.c: Ditto.
16921 * config/arm/arm.c: Ditto.
16923 * collect2.c: Ditto.
16924 * reload1.c: Ditto.
16926 2006-01-31 Nicolas Pitre <nico@cam.org>
16928 * arm.md (smaxsi3): Make aware of smax_m1.
16931 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16933 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16935 2006-01-31 Richard Guenther <rguenther@suse.de>
16937 * doc/invoke.texi (-msselibm): Document.
16938 * target.h (expand_library_builtin): New target hook.
16939 * builtins.c (expand_builtin): Use expand_library_builtin.
16940 (default_expand_library_builtin): New function.
16941 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16942 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16943 (link_gcc_math_spec): Declare.
16944 (static_specs): Add link_gcc_math_spec.
16945 * expr.h (default_expand_library_builtin): Declare.
16946 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16947 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16948 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16949 * config/i386/i386.opt (msselibm): New target option.
16950 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16951 (ix86_init_sse_abi_builtins): New function.
16952 (ix86_expand_library_builtin): Likewise.
16953 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16954 (override_options): Handle error conditions wrt -msselibm.
16955 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16956 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16957 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16960 2006-01-31 Richard Guenther <rguenther@suse.de>
16961 Paolo Bonzini <bonzini@gnu.org>
16963 * doc/install.texi (--disable-libgcc-math): Document.
16965 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16967 * expr.h (expand_normal): new inline function.
16968 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16969 * dojump.c: use it.
16970 * dwarf2out.c: use it.
16973 * expmed.c: use it.
16974 * except.c: use it.
16975 * config/sparc/sparc.c: use it.
16976 * config/i386/i386.c: use it.
16977 * config/rs6000/rs6000.c: use it.
16978 * config/arm/arm.c: use it.
16979 * config/mips/mips.c: use it.
16980 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16982 2006-01-30 Roger Sayle <roger@eyesopen.com>
16984 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16985 argv to the appropriate type.
16987 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16989 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16992 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16995 * config/s390/s390.c (struct machine_function): New flag
16996 decomposed_literal_pool_addresses_ok_p.
16997 (s390_reorg): Set it before final stage of literal pool transforms.
16998 (s390_decompose_address): Only accept displacements of the form
16999 (minus (label_ref ...) (label_ref ...)) if that flag is set.
17001 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
17003 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
17004 the comparison routine return.
17006 2006-01-30 Michael Matz <matz@suse.de>
17008 * global.c (find_reg): Only evict for global regs.
17009 Take n_refs into account and dump more info.
17011 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
17014 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
17015 (pragma_trap, pragma_nosave_low_regs): Likewise.
17016 (current_function_anonymous_args): Likewise.
17017 (sh_deferred_function_attributes): New variable.
17018 (sh_deferred_function_attributes_tail): Likewise.
17019 (print_operand): For '@', look up trap_exit attribute.
17020 (calc_live_regs): Look up trapa_handler attribute. For trapa
17021 handlers, save/restore fpscr, but don't do any other
17022 interrupt-specific saves.
17023 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
17024 Fix check for partially saved registers to check for SHmedia.
17025 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
17026 (sh_output_function_epilogue): Don't clear any of the removed
17028 (sh_insert_attributes): Don't check pragma_interrupt.
17029 Insert deferred attributes. Check that interrupt attribute is
17030 present for other attributes that require its presence.
17031 (sh_attribute_table): Add new attributes trapa_handler and
17033 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
17034 Don't check for pragma_interrupt. Don't store argument.
17035 * sh.h (pragma_interrupt, sp_switch): Don't declare.
17036 (sh_deferred_function_attributes): Declare.
17037 (sh_deferred_function_attributes_tail): Likewise.
17038 * sh.md (sp_switch_1): Add operand. Change generator caller.
17039 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
17040 (*return_i): Don't use when trap_exit attribute is in effect.
17041 (*return_trapa): New insn pattern.
17042 * sh-c.c: New file.
17043 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
17044 setting c_target_objs and cxx_target_objs.
17045 * t-sh: Add rule for sh-c.o.
17047 2006-01-30 Richard Guenther <rguenther@suse.de>
17050 * gimplify.c (gimplify_target_expr): Handle easy cases
17051 without creating a temporary.
17053 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
17055 * vec.h (safe_grow): Remove duplicated line.
17057 2006-01-29 Diego Novillo <dnovillo@redhat.com>
17060 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
17061 (expand_omp): ... here.
17062 (expand_omp_parallel): Only remove barriers for combined
17063 parallel+workshare constructs.
17065 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
17069 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
17070 * tree.c (build_qualified_type): Chain the new type to the original
17071 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
17072 a POINTER_TYPE or a REFERENCE_TYPE respectively.
17073 (build_pointer_type_for_mode): Only return unqualified types.
17074 (build_reference_type_for_mode): Likewise.
17076 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
17078 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
17079 * Makefile.in (CXX_COMPAT_WARN): Define.
17080 * configure: Regenerate.
17082 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
17085 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
17088 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17090 * toplev.c: Fix thinko.
17092 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
17093 Marcin Dalecki <martin@dalecki.de>
17095 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
17096 (push_srcloc): Use XNEW.
17097 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
17099 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
17101 * df-core.c (df_set_blocks): Deleted all variable.
17103 2006-01-28 Ian Lance Taylor <ian@airs.com>
17105 * cgraphunit.c (cgraph_assemble_pending_functions): Call
17106 cgraph_output_pending_asms.
17108 2006-01-28 Zack Weinberg <zackw@panix.com>
17110 * c.opt: Add -W(no-)overlength-strings.
17111 * doc/invoke.texi: Document it.
17112 * c-opts.c (c_common_handle_option): -pedantic implies
17113 -Woverlength-strings, if not explicitly disabled already.
17114 (c_common_post_options): -Woverlength-strings defaults to off, and
17115 is always off for C++.
17116 * c-common.c (fix_string_type): Issue warning about strings longer
17117 than is portable only if warn_overlength_strings. Rearrange code
17118 a little for clarity.
17119 * configure.in: Check for -Wno-overlength-strings as well before
17120 enabling -pedantic in stage 1.
17121 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
17122 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
17124 * genconditions.c (write_header, write_one_condition)
17125 (write_conditions, write_writer): Consolidate very long strings
17126 that were broken up to fit in C89 portable limit. Don't use
17127 printf when fputs will do.
17129 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
17131 * combine.c (simplify_comparison <AND>): Check
17132 TRULY_NOOP_TRUNCATION before start using a subreg.
17134 * config/mips/mips.md (*branch_zero<mode>,
17135 *branch_zero<mode>_inverted, *branch_equality<mode>,
17136 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
17137 Remove mode check from comparisons.
17139 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
17141 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
17143 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17145 * expmed.c (const_mult_add_overflow_p): Remove.
17146 * expr.h: Remove the prototype for const_mult_add_overflow_p.
17148 * recog.c (validate_replace_rtx_subexp): Remove.
17149 * recog.h: Remove the prototype for
17150 validate_replace_rtx_subexp.
17152 * integrate.h: Remove the prototype for
17153 copy_decl_for_inlining.
17154 * rtl.h: Remove the prototype for mark_constant_function.
17155 * tree-vectorizer.h: Remove the prototype for
17156 vect_strip_conversion.
17158 * modulo-sched.c (create_partial_schedule,
17159 free_partial_schedule, reset_partial_schedule): Make them
17162 * hooks.c (hook_bool_rtx_int_false): Remove.
17163 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17165 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17167 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17168 and -mlong-double-128 are incompatible.
17169 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17170 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17171 (TARGET_LIBGCC2_CFLAGS): Define.
17172 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17173 (TARGET_LIBGCC2_CFLAGS): Same.
17174 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17176 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17179 * c-typeck.c (build_binary_op): Perform implicit casts of
17180 operands before shortening them.
17182 * cfgloopmanip.c (split_loop_bb): Remove.
17183 * cfgloop.h: Remove the prototype for split_loop_bb.
17185 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17186 * cfgloop.h: Remove the prototype for
17187 flow_loop_outside_edge_p.
17189 * emit-rtl.c (init_virtual_regs): Make it static.
17190 * function.h: Remove the prototype for init_virtual_regs.
17192 * recog.c (peephole2_optimize): Make it static.
17193 * recog.h: Remove the prototype for peephole2_optimize.
17195 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17197 * df-scan.c (df_record_entry_block_defs): Check if
17198 INCOMING_RETURN_ADDR_RTX is defined.
17200 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17201 Kenneth Zadeck <zadeck@naturalbridge.com>
17203 PR rtl-optimization/24762
17204 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17205 * targhooks.c (hook_void_bitmap): New hook prototype.
17206 * targhoohs.h (hook_void_bitmap): Ditto.
17207 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17208 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17209 * target.h (live_on_entry): New function pointer.
17210 * df-scan.c (df_all_hard_regs): Removed.
17211 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17212 (df_scan_free_internal): Added df->entry_block_defs.
17213 (df_scan_alloc): Ditto.
17214 (df_scan_dump): Ditto.
17215 (df_uses_record): Plumbed flag field properly thru calls.
17216 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17217 This part fixes PR24762.
17218 (df_bb_refs_record): Added code to make the frame and arg
17219 pointers live in EH blocks.
17220 (df_refs_record): Added call to df_record_entry_block_defs.
17221 (df_record_entry_block_defs): New function.
17222 * df-core.c: Added comments to describe new artifical defs.
17223 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17224 (entry_block_defs): New field in struct df.
17225 (df_all_hard_regs): Deleted.
17226 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17227 * df-problems.c (df_ru_bb_local_compute_process_def):
17228 Added code to handle artifical defs in the entry to a function.
17229 (df_ru_bb_local_compute): Ditto.
17230 (df_rd_bb_local_compute_process_def): Ditto.
17231 (df_rd_bb_local_compute): Ditto.
17232 (df_lr_bb_local_compute): Ditto.
17233 (df_ur_bb_local_compute): Ditto.
17234 (df_urec_bb_local_compute): Ditto.
17235 (df_chain_create_bb): Ditto.
17236 (df_ur_local_finalize): Removed entry.
17237 (df_urec_init): Ditto.
17238 (df_urec_local_finalize): Ditto.
17239 (df_ri_bb_compute): Added detection of last use of pseudos.
17240 * Makefile.in (df-scan.o): Updated dependencies.
17241 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17242 * config/mips/mips.c (mips_set_live_on_entry): Added.
17243 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17245 * dce.c (marked_insn_p): Added code to handle artifical defs.
17247 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17249 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17251 (_mm_cvtsi128_si64): Likewise.
17252 (_mm_cvtsd_si64): Likewise.
17253 (_mm_cvttsd_si64): Likewise.
17254 (_mm_cvtsi64_sd): Likewise.
17255 (_mm_cvtsi64_si128): Likewise.
17256 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17257 (_mm_cvtsi64_m64): Likewise.
17258 (_m_to_int64): Likewise.
17259 (_mm_cvtm64_si64): Likewise.
17260 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17261 (_mm_cvttss_si64): Likewise.
17262 (_mm_cvtsi64_ss): Likewise.
17263 (_mm_cvtss_f32): Likewise.
17265 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17267 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17268 for pragma redefine_extname.
17270 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17273 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17274 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17275 -mno-minimal-toc to previous content.
17276 (bispecs): Remove goal.
17277 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17278 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17279 compatibility aliases on powerpc-*-*gnu*.
17280 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17281 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17282 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17283 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17284 (ldblspecs): New goal.
17285 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17286 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17288 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17289 L_sf_to_tf or L_df_to_tf is defined.
17291 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17292 Alan Modra <amodra@bigpond.net.au>
17295 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17296 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17297 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17298 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17299 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17300 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17301 (rs6000_override_options): Initialize rs6000_ieeequad.
17302 Initialize TFmode format to ibm_extended_format if not
17304 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17306 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17307 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17308 (function_arg_advance): IBM long double passed in two FPRs, not
17310 (function_arg): IBM long double passed in FPRs.
17311 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17312 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17313 Only multireg GPR aligned.
17314 (rs6000_init_libfuncs): Enable IBM long double functions if not
17316 (rs6000_generate_compare): Use IBM long double compare if not
17318 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17319 (TARGET_IEEEQUAD): Define.
17320 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17321 not TARGET_IEEEQUAD.
17322 * config/rs6000/rs6000.md: Enable TFmode patterns if
17324 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17325 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17326 and -mlong-double-128 are incompatible.
17327 * doc/invoke.texi (-mabi): Collect options together. Add
17328 ibmlongdouble and ieeelongdouble.
17330 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17332 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17334 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17335 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17336 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17337 * rtl.h (rtunion_def): Remove rt_ptr.
17339 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17340 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17341 * config/i386/winnt.c (i386_pe_mark_dllexport)
17342 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17344 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17346 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17348 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17352 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17353 pthread_key_delete. From John David Anglin. gthrw-ify
17354 pthread_getunique_np only if it it's not a macro. Delete
17356 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17357 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17358 __gthread_objc_condition_signal, __gthread_key_delete): Add
17359 "__attribute__ ((__unused__))" to unused arguments.
17360 (__gthread_recursive_mutex_init_function): Add missing return.
17361 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17362 gthr-posix95.h: Use macro-based approach for name redirection
17363 on targets missing weakref.
17365 2006-01-26 Zack Weinberg <zackw@panix.com>
17367 * genconditions.c (write_header): In generated code, #ifdef out
17368 all includes and fake declarations, except includes of bconfig.h
17369 and system.h, unless GCC_VERSION >= 3001. Do not include
17370 gensupport.h in any case.
17371 (write_conditions): Generate a definition of struct c_test. Add
17372 a comment to the generated #endif.
17373 (write_one_condition): Escape backslashes in string too.
17374 (write_writer): Generated code must escape backslashes and quote
17375 marks (but not newlines) in the strings it writes.
17376 * Makefile.in (build/gencondmd.o): Update dependencies.
17378 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17381 * Makefile.in (insn-automata.o): Add header file dependencies.
17382 * genautomata.c: Add includes.
17384 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17387 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17389 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17391 * configure.ac: Expect target tools paths to be passed from the toplevel
17392 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17394 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17396 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17399 * c.opt (Wpointer-sign): Init to -1.
17400 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17401 OPT_pedantic, to 0 otherwise.
17402 * doc/invoke.texi: Update.
17404 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17406 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17407 constants provided by 80387 instructions in the destination mode.
17409 2006-01-26 Richard Guenther <rguenther@suse.de>
17410 Andrew Pinski <pinskia@physics.uc.edu>
17413 partial PR tree-opt/17064
17414 * tree-ssa-structalias.c (intra_create_variable_infos):
17415 Create heap variables for incoming parameters if
17416 flag_argument_noalias > 1.
17417 (find_what_p_points_to): Look through default defs of
17420 2006-01-26 Jeff Law <law@redhat.com>
17423 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17424 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17425 within the VR_RANGE, use the VR_RANGE as the result, not the
17427 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17428 bounds for the type.
17430 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17432 * tree-ssa-alias.c (maybe_create_global_var): Change
17433 subvar walking to an assertion that we don't have subvar'd variables.
17435 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17438 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17439 Use a new variable, inner. PARM_DECLs are always non-weak.
17441 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17443 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17444 --disable-checking.
17446 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17448 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17450 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17452 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17453 (smax_insn, smin_insn, smax_0, smin_0): New.
17455 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17458 * config/cris/cris.c (cris_order_for_addsi3): New function.
17459 * config/cris/cris-protos.h: Prototype it.
17460 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17461 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17462 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17463 (split for "op.S1 [rx=rx+i],ry (swapped)")
17464 (split for "op(s|u).S1 [rx=rx+i],ry")
17465 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17466 Apply cris_order_for_addsi3 when generating addsi3 insns.
17468 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17470 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17471 (TREE_BLOCK): Add call to EXPR_CHECK.
17473 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17476 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17477 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17478 (dump_omp_clauses): ... here.
17479 (dump_generic_node): Handle OMP_CLAUSE.
17480 * tree.c (omp_clause_num_ops): New.
17481 (omp_clause_code_name): New.
17482 (tree_code_size): Handle OMP_CLAUSE.
17483 (tree_size): Likewise.
17484 (make_node): Document handling of OMP_CLAUSE.
17485 (tree_node_structure): Handle OMP_CLAUSE.
17486 (omp_clause_check_failed): New.
17487 (omp_clause_range_check_failed): New.
17488 (omp_clause_operand_check_failed): New.
17489 (build_omp_clause): New.
17490 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17491 * tree.h (enum omp_clause_code): Declare.
17492 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17493 (OMP_CLAUSE_RANGE_CHECK): Define.
17494 (OMP_CLAUSE_ELT_CHECK): Define.
17495 (omp_clause_check_failed): Declare.
17496 (omp_clause_operand_check_failed): Declare.
17497 (omp_clause_range_check_failed): Declare.
17498 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17499 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17500 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17501 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17502 (OMP_CLAUSE_IF_EXPR): Likewise.
17503 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17504 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17505 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17506 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17507 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17508 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17509 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17510 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17511 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17512 (OMP_CLAUSE_CODE): Define.
17513 (OMP_CLAUSE_SET_CODE): Define.
17514 (OMP_CLAUSE_CODE): Define.
17515 (OMP_CLAUSE_OPERAND): Define.
17516 (struct tree_omp_clause): Declare.
17517 (union tree_node): Add field 'omp_clause'.
17518 * treestruct.def (TS_OMP_CLAUSE): Define.
17519 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17520 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17521 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17522 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17523 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17524 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17525 (OMP_CLAUSE): Define.
17526 * print-tree.c (print_node): Handle OMP_CLAUSE.
17527 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17528 * c-typeck.c: Likewise.
17529 * gimplify.c: Likewise.
17530 * c-omp.c: Likewise.
17531 * tree-nested.c: Likewise.
17532 * tree-inline.c: Likewise.
17533 * c-parser.c: Likewise.
17534 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17537 2006-01-25 Roger Sayle <roger@eyesopen.com>
17539 PR rtl-optimization/25703
17540 * combine.c (try_combine): Handle zero_extract and strict_low_part
17541 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17543 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17545 * global.c: Fix comment typos.
17547 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17550 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17551 Use output_addr_const instead of assemble_name.
17553 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17555 * Makefile.in (sched-vis.o): Update dependencies.
17556 * haifa-sched.c (sched_finish): Clear current_sched_info.
17557 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17558 (dump_flow_info): Call it.
17559 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17561 * basic-block.h (dump_bb_info): Declare.
17562 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17563 option, and apply options only for dump files whose TDF_RTL,
17564 TDF_TREE, or TDF_IPA bits match.
17565 * rtl.h: Declare new functions exported from sched-vis.c.
17566 * sched-vis.c: Enable also if scheduling is not used.
17567 (print_value): Print the mode of registers if not inside scheduling.
17568 (print_insn): Make it work outside the scheduler. Beautify the output
17570 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17572 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17574 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17575 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17576 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17577 depending on the value of CONSTANT_POOL_ADDRESS_P.
17578 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17580 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17581 rather than SYMBOL_REF_DECL.
17582 (rtx_constant_pool): Remove const_rtx_sym_htab.
17583 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17584 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17585 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17586 Remove handling of const_rtx_sym_htab.
17587 (find_pool_constant): Delete.
17588 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17589 rather than find_pool_constant.
17590 (get_pool_constant_for_function): Delete.
17591 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17592 find_pool_constant.
17593 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17594 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17595 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17596 (SYMBOL_REF_CONSTANT): New macro.
17597 (get_pool_constant_for_function): Delete.
17598 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17599 rather than SYMBOL_REF_DECL.
17600 (i386_pe_mark_dllimport): Likewise.
17601 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17602 rather than SYMBOL_REF_DECL.
17603 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17604 (machopic_indirect_call_target): Likewise.
17606 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17608 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17610 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17612 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17614 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17616 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17618 2006-01-24 David Daney <ddaney@avtrex.com>
17621 * configure.ac (enable_tls): New enable option.
17622 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17623 * configure: Regenerate.
17624 * doc/install.texi (--enable-tls): Document new option.
17625 (--disable-tls): Ditto.
17627 2006-01-24 Richard Henderson <rth@redehat.com>
17629 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17630 * alias.c (true_dependence): Respect it.
17631 (canon_true_dependence, write_dependence_p): Likewise.
17632 * builtins.c (get_builtin_sync_mem): Set it.
17634 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17636 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17639 2006-01-24 DJ Delorie <dj@redhat.com>
17641 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17642 for storing constants in single-bit bitfields.
17644 2006-01-25 Ben Elliston <bje@au.ibm.com>
17646 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17648 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17651 * tree-ssa-pre.c (phi_translate): Return NULL
17652 for AGGREGATE_TYPE's.
17654 2006-01-24 Zack Weinberg <zackw@panix.com>
17656 * genautomata.c (process_state_for_insn_equiv_partition):
17657 Use xcalloc for insn_arcs_array.
17658 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17659 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17661 2006-01-24 Richard Henderson <rth@redhat.com>
17663 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17664 update all callers.
17666 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17668 PR rtl-optimization/25890
17669 PR rtl-optimization/25905
17670 * combine.c (expand_compound_operation, expand_field_assignment):
17671 Fail if the bitfield's final position is out of bounds.
17673 2006-01-24 Ian Lance Taylor <ian@airs.com>
17675 PR middle-end/25930
17676 * cgraphunit.c (cgraph_output_in_order): Don't clear
17677 cgraph_asm_nodes until after asm strings have been output.
17679 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17681 * fix-header.c (read_scan_file): Add new parameter imultilib when
17682 calling register_include_chains.
17684 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17686 * omp-low.c: Update documentation.
17688 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17689 Daniel Berlin <dberlin@dberlin.org>
17693 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17694 return from the function.
17696 2006-01-22 Zack Weinberg <zackw@panix.com>
17698 * rtl.def (match_code): Add second argument.
17699 * genpreds.c (write_extract_subexp): New function.
17700 (write_match_code): Add path argument. Use write_extract_subexp.
17701 (write_predicate_expr): Pass path to write_match_code.
17702 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17703 not perform a mode test.
17704 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17705 a subexpression does not constrain the top-level code set.
17706 * read-rtl.c (read_rtx_variadic): New function.
17707 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17708 * doc/md.texi: Document new notation.
17709 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17710 (cmpsi_operand): ... here, using new notation.
17712 2006-01-22 Zack Weinberg <zackw@panix.com>
17714 * varray.c: Remove GENERATOR_FILE #ifdefs.
17716 2006-01-22 Zack Weinberg <zackw@panix.com>
17718 * genautomata.c (output_reserved_units_table): Emit nothing if
17719 description->query_units_num is zero. Remove extra blank line.
17720 (output_cpu_unit_reservation_p): Short circuit
17721 if description->query_units_num is zero.
17723 2006-01-22 Zack Weinberg <zackw@panix.com>
17725 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17726 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17727 nor any of the random handful of variables that used to be necessary
17728 when this program was linked with rtlanal.o. Prune set of forward
17729 function declarations.
17730 (struct attr_desc): Remove static_p field.
17731 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17732 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17733 (attr_string): Do not read the character one past the length of
17735 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17736 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17737 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17738 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17739 (make_automaton_attrs): New.
17740 (main): Do not call into genautomata. Call local gen_bypass
17741 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17742 Remove special case for insn_alts.
17743 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17744 varray.h (leftover from previous change). Prune set of forward
17745 function declarations. Remove state_alts fields from all
17746 structures. Remove state_alts_table from struct automaton.
17747 Make everything except main static. Do not maintain num_dfa_decls.
17748 Do not maintain state_alts fields of various structures.
17749 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17750 (add_arc): Remove state_alts argument. All callers updated.
17751 (output_reserved_units_table): Emit #ifdef here...
17752 (output_tables): ...not here. Don't generate state_alts tables.
17753 (expand_automata): Don't generate attributes.
17754 (write_automata): Don't generate state_alts functions.
17755 (main): New function.
17756 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17757 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17758 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17759 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17760 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17761 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17762 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17763 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17765 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17766 * genattrtab.h: Delete file.
17767 * Makefile.in (OBJS-common): Add insn-automata.o.
17768 (insn-automata.o): New rule.
17769 (simple_generated_c): Add insn-automata.c.
17770 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17771 (genprogmd): Add automata.
17772 (build/genattrtab): Needs no extra objects nor libraries.
17773 (build/genautomata): Needs build/vec.o and -lm.
17775 2006-01-22 Zack Weinberg <zackw@panix.com>
17777 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17778 (output_dfa_max_issue_rate, locked_states_num): Delete.
17779 (struct automaton): Add locked_states field.
17780 (output_dead_lock_vect): Save number of locked states in
17781 automaton->locked_states. If it is zero, don't print anything.
17782 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17783 (output_internal_dead_lock_func): Only test the dead_lock_vect
17784 for automata that have locked states.
17785 (output_statistics): Always print the number of locked states for
17786 each automaton. Calculate total number of locked states here.
17787 (write_automata): Don't call output_dfa_max_issue_rate.
17788 * genattrtab.c: Define length_unit_log as a const variable.
17789 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17790 max_insn_queue_index const.
17791 * final.c (length_unit_log): Declare const.
17792 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17794 2006-01-22 Zack Weinberg <zackw@panix.com>
17796 * genautomata.c: Include vec.h, not varray.h.
17797 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17798 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17799 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17800 VEC_* macros operating on appropriately typed vectors, or to
17801 malloced arrays when the size is known in advance. Const-ify
17802 many char* variables and function arguments. No functional changes.
17803 * Makefile.in (build/varray.o): Delete rule.
17804 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17805 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17807 2006-01-22 Zack Weinberg <zackw@panix.com>
17809 * gensupport.c: Define get_insn_name and record_insn_name here.
17810 (read_md_rtx): Call record_insn_name as appropriate.
17811 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17812 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17813 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17815 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17816 (BUILD_VARRAY): Delete.
17817 (genprognormal): Rename genprogmd. Fold in all programs from
17818 genprognoprint; also attrtab.
17819 (build/genattrtab): Just mention genautomata.o and varray.o.
17820 Reorganize a bit, add comments to make the categories clearer.
17822 2006-01-22 Zack Weinberg <zackw@panix.com>
17824 * genconditions.c (condition_table, add_condition): Delete.
17825 (write_conditions): Don't emit n_insn_conditions nor
17826 insn_elision_unavailable. Issue the gcc version #ifdef here,
17827 inside the table, with no #else clause ...
17828 (write_header): ...not here.
17829 (write_writer): New function.
17830 (main): Don't initialize condition_table. Use add_c_test.
17832 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17833 files on the command line.
17834 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17835 Return -1 if there is no entry in the table, don't abort.
17836 (add_c_test, traverse_c_tests): New functions.
17837 * gensupport.h (insn_elision_unavailable, insn_conditions)
17838 (n_insn_conditions): Delete declarations.
17839 (add_c_test, traverse_c_tests): Declare.
17840 * read-rtl.c: Include gensupport.h.
17841 (read_conditions): New function.
17842 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17843 (read_rtx_1): If we get EOF when we were looking for an initial
17844 open paren, return 0. Call read_conditions when appropriate.
17845 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17846 dummy-conditions.o. Eliminate references to insn-conditions.o,
17847 or change them to build/gencondmd.o, as appropriate. Remove
17848 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17849 from $(simple_generated_c). For all files remaining in those
17850 two lists, add insn-conditions.md to the generator command line.
17851 Give insn-constants.h/s-constants their own rules. Add rules
17852 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17853 (build/read-rtl.o): Depend on gensupport.h.
17854 (genprognormal): Include preds.
17855 (genprogearly): Rename genprognoprint; only difference is now that
17856 they don't link with $(BUILD_PRINT).
17857 * dummy-conditions.c: Delete.
17859 2006-01-22 Zack Weinberg <zackw@panix.com>
17861 * genextract.c: Don't include insn-config.h. Do include vec.h.
17862 Declare vectors of int, char, and locstr.
17863 (locstr): New typedef.
17864 (struct extraction): Make all array fields into bare pointers.
17865 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17866 (insn_code_number): Delete.
17867 (accum_extract): New struct.
17868 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17869 (gen_insn): Take insn_code_number as an argument. Use an
17870 accum_extract structure instead of loading data directly into
17871 a struct extraction, and having to know how big it might get.
17872 (walk_rtx): Operate entirely on an accum_extract structure.
17873 (print_path): Avoid unnecessary use of printf.
17874 (print_header): New function, split out of main. Distinguish
17875 more carefully between an unrecognizable insn and an insn that
17876 has the code number of a define_expand.
17877 (main): Pass insn_code_number to gen_insn. Call print_header
17878 only after parsing. Avoid unnecessary use of printf.
17879 * Makefile.in (build/vec.o): New rule.
17880 (build/genextract): Depend on build/vec.o.
17881 (build/genextract.o): Don't depend on insn-config.h.
17883 2006-01-22 Zack Weinberg <zackw@panix.com>
17885 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17886 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17887 practical. Eliminate per-generator-program link rules.
17889 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17891 PR middle-end/24437
17892 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17893 with a call expr to ...
17894 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17896 2006-01-23 Richard Guenther <rguenther@suse.de>
17898 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17899 before make_edge with conditional EDGE_TRUE_VALUE.
17901 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17902 Jan Hubicka <jh@suse.cz>
17903 Richard Guenther <rguenther@suse.de>
17905 PR rtl-optimization/25654
17906 * cfgexpand.c (aggregate_contains_union_type): New function.
17907 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17908 for structure variables that contain a union type.
17910 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17912 * gengtype.c (new_structure): Return the structure.
17913 (create_option): Add an extra "next" argument.
17914 (create_field): New function.
17915 (adjust_field_rtx_def): Use create_option and create_field.
17916 Remove a now-unnecessary call to find_structure.
17917 (adjust_field_tree_def): Likewise.
17918 (note_yacc_type): Remove an unnecessary call to find_structure.
17919 * gengtype.h (new_structure): Return the structure.
17920 (create_option): Add an extra argument.
17921 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17922 (option): Adjust calls to create_option.
17924 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17926 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17928 2006-01-22 Paul Brook <paul@codesourcery.com>
17929 Peter Barada <peter@the-baradas.com>
17931 * config/m68k/m68k.md: Add Coldfire FPU support.
17932 Define FP mode macro and associated attributes.
17933 Use it for float mode patterns.
17934 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17935 (LIBCALL_VALUE): Use m68k_libcall_value.
17936 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17937 (m68k_function_value): Ditto.
17938 (emit_move_sequence): Ditto.
17939 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17940 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17941 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17942 (MULTILIB_EXCEPTIONS): Ditto.
17943 * config/m68k/m68k.opt: Add mcfv4e.
17944 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17945 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17946 (m68k_output_function_prologue): Save ColdFire FPU registers.
17947 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17948 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17949 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17950 ColdFire FPU registers.
17951 (m68k_libcall_value, m68k_function_value): New functions.
17952 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17953 (LIBCALL_VALUE): Use m68k_libcall_value.
17954 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17955 (MASK_COLDFIRE): Add MASK_CFV4E.
17956 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17957 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17958 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17959 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17960 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17961 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17962 * doc/invoke.tex: Document -mcfv4e on m68k.
17964 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17966 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17969 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17972 * c-opts.c (c_common_handle_option): Don't include
17973 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17974 * doc/invoke.texi (C++ Dialect Options): Document that
17975 -Wnon-virtual-dtor is no longer included in -Wall.
17977 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17979 * gcov.c (print_version), gcov-dump.c (print_version),
17980 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17983 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17985 * df-scan.c (problem_SCAN): Added NULL reset function.
17986 (df_scan_reset_blocks): Added code to call reset block function
17987 (df_bb_refs_delete) Fixed comment.
17988 (df_insn_refs_delete): Made tolerant of deleting non existent info
17989 for dataflow problems that need to be reset.
17990 * df-core.c (df_set_blocks): Ditto.
17991 * df.h (struct df_problem): Added reset_fun.
17992 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17993 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17994 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17995 functions to clear out all references to def-use or use-def chains.
17997 2006-01-21 Ben Elliston <bje@au.ibm.com>
17999 * varasm.c (assemble_real): Initialise data array.
18001 2006-01-20 Paul Brook <paul@codesourcery.com>
18003 Merge from csl-arm-branch.
18004 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
18005 * config/arm/arm.md (movdi): Force operands[1] to a register
18006 if we have a non-register source.
18007 (*arm_movdi, *movdf_soft_insn): Require that one of the
18008 operands be a register.
18009 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
18010 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
18012 2006-01-20 DJ Delorie <dj@redhat.com>
18014 * varasm.c (initializer_constant_valid_p): Allow pointers
18015 initialized from integer constants of lesser precision.
18016 (output_constant): Allow non-int-sized pointer modes to be
18017 initialized from integer constants.
18019 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
18022 * cppdefault.h (struct default_include): Add multilib flag.
18023 * cppdefault.c (cpp_include_defaults): Set it.
18024 * c.opt (-imultilib): New option.
18025 * c-opts.c (imultilib): New.
18026 (c_common_handle_option): Handle -imultilib.
18027 (c_common_post_options): Likewise.
18028 * c-incpath.c (add_standard_paths, register_include_chains):
18030 * c-incpath.h (register_include_chains): Add extra parameter.
18031 * gcc.c (do_spec_1): Generate -imultilib option.
18032 (The Specs Language): Update %I description.
18033 (process_command): Update copyright notice.
18034 * doc/cppopts.texi (-imultilib): Document.
18035 * doc/invoke.texi (-imultilib): Include in option summary.
18036 (%I): Update specs documentation.
18038 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18040 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
18042 2006-01-20 Richard Sandiford <richard@codesourcery.com>
18044 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
18047 2006-01-20 Richard Guenther <rguenther@suse.de>
18048 Steven Bosscher <stevenb.gcc@gmail.com>
18050 PR rtl-optimization/24626
18051 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
18052 EDGE_TRUE_VALUE if in RTL mode.
18055 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
18056 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
18058 2006-01-20 Dirk Mueller <dmueller@suse.com>
18061 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
18062 instead of a special NOP marker.
18063 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
18064 NOP marker handling.
18065 * c-common.h (empty_body_warning): Add forward declaration.
18066 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
18067 Now uses IS_EMPTY_STMT() instead of special NOP markers.
18069 2006-01-20 Paul Brook <paul@codesourcery.com>
18071 * Makefile.in (lang_checks): Keep going if mkdir fails.
18073 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18075 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
18076 be able to clean out basic block when not necessary.
18077 (df_scan_free): Fixed to properly delete information if df is
18078 unused before calling df_finish.
18079 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
18080 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
18082 (df_bb_refs_delete): New function.
18083 (df_refs_delete): Moved per block code to df_bb_refs_delete.
18084 * df-core.c (df_set_blocks): Added code to properly clean out
18085 unused blocks if they are not part of the blocks to consider.
18086 Added additional null check.
18087 (df_compact_blocks): Added basic block parameter to free_bb_fun to
18088 be able to clean out basic block when not necessary
18089 * df.h (df_free_bb_function): Ditto.
18090 (df_bb_refs_delete): New function.
18091 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
18092 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
18093 basic block parameter to be able to clean out basic block when not
18095 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
18096 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
18097 Fixed to properly delete information if df is unused before
18100 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
18102 PR rtl-optimization/25799
18103 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
18104 Corrected confluence operator to remove bits from op2 before oring
18105 with op1 rather than removing bits from op1.
18106 (df_ru_transfer_function): Corrected test on wrong bitmap which
18107 caused infinite loop. Both of these problems were introduced in
18108 the dataflow rewrite.
18110 2006-01-19 DJ Delorie <dj@redhat.com>
18112 * reload1.c (find_reload_regs): Note the details of reload
18113 failures in the dump file.
18114 (spill_failure): Likewise.
18116 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
18118 * loop-iv.c: Include df.h and hashtab.h.
18119 (enum iv_grd_result): New enum.
18120 (DF_REF_IV, DF_REF_IV_SET): New macros.
18121 (struct biv_entry): New.
18122 (df, bivs): New global variables.
18123 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
18124 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
18126 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
18127 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
18128 analyzed_for_bivness_p, record_biv): New functions.
18129 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
18130 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
18131 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
18133 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
18135 (iv_number_of_iterations): Use new interface to iv analysis.
18136 * loop-unroll.c: Do not include varray.h.
18137 (analyze_iv_to_split_insn): Use new interface to iv
18139 * loop-unswitch.c (may_unswitch_on): Ditto.
18140 * df.c (df_bitmaps_free): Only work for bbs for that structures are
18142 (df_bb_modify): Realloc tables to the new index.
18143 (df_find_use): New function.
18144 * df.h (df_find_use): Declare.
18145 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
18147 * cfgloop.h (struct rtx_iv): Remove analysed field.
18148 (iv_get_reaching_def): Removed.
18149 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
18150 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
18151 (loop-iv.o): Add df.h and hashtab.h dependency.
18152 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
18154 2006-01-20 Alan Modra <amodra@bigpond.net.au>
18157 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
18159 (__floatundisf, __floatundidf): Likewise.
18160 * libgcc2.h (IS_IBM_EXTENDED): Define.
18162 2006-01-19 DJ Delorie <dj@redhat.com>
18164 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18166 2006-01-19 Paul Brook <paul@codesourcery.com>
18168 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18169 as nothrow when unwinding tables are disabled.
18171 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18174 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18175 of bit-field" when in system header.
18177 2006-01-19 DJ Delorie <dj@redhat.com>
18179 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18180 the 16 bit shift limit of the m16c.
18182 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18185 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18186 * config/i386/i386.c (output_set_got): Output the label if we have one
18187 for the TARGET_DEEP_BRANCH_PREDICTION case.
18189 2006-01-19 Jan Hubicka <jh@suse.cz>
18190 H.J. Lu <hongjiu.lu@intel.com>
18191 Evandro Menezes <evandro.menezes@amd.com>
18193 * invoke.texi (generic): Document
18195 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18196 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18197 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18198 (x86_use_incdec, x86_pad_returns): New variables
18199 (TARGET_CPU_DEFAULT_generic): New constant
18200 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18201 (enum processor_type): Add generic32 and generic64.
18202 * i386.md (cpu attribute): Add generic32/generic64
18203 (movhi splitter): Behave sanely when both partial_reg_dependency and
18204 partial_reg_stall are set.
18205 (K8 splitters): Enable for generic as well.
18206 * predicates.md (incdec_operand): Use TARGET_INCDEC
18207 (aligned_operand): Avoid memory mismatch stalls.
18208 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18209 * ppro.md: Enable for generic32
18210 * i386.c (generic64_cost, generic32_cost): New.
18211 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18212 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18213 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18214 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18215 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18216 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18217 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18218 x86_accumulate_outgoing_args, x86_prologue_using_move,
18219 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18220 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18221 Enable for generic.
18222 (x86_use_incdec, x86_pad_returns): New.
18223 (override_options): Add generic32 and generic64, translate "generic"
18224 to generic32/generic64 and "i686" to "generic32", refuse
18225 "generic32"/"generic64" as arch target.
18226 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18227 (ix86_reorg): Honor PAD_RETURNS.
18229 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18231 * tree-pretty-print.c (dump_generic_node): Handle
18232 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18233 * cgraph.c (cgraph_expand_queue): Rename from
18234 cgraph_analyze_queue. Update all users.
18235 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18236 cgraph_expand_queue.
18237 (cgraph_expand_all_functions): Likewise.
18238 (cgraph_finalize_pending_functions): Remove. Update callers.
18240 * tree.h (OMP_DIRECTIVE_P): Define.
18241 (OMP_PARALLEL_FN): Define.
18242 (OMP_PARALLEL_DATA_ARG): Define.
18243 (OMP_SECTIONS_SECTIONS): Define.
18244 * tree-pass.h (pass_expand_omp): Declare.
18245 * omp-low.c (struct omp_region): Declare.
18246 (struct omp_context): Remove fields 'parallel_type',
18247 'parallel_start_ix' and 'parallel_start_additional_args'.
18249 (struct omp_for_data): Rename from struct expand_omp_for_data.
18250 (omp_regions): New static variable.
18251 (root_omp_region): New static variable.
18252 (find_omp_clause): Make static.
18253 (is_in_combined_parallel_ctx): Remove.
18254 (is_combined_parallel): New.
18255 (extract_omp_for_data): Move earlier in the file.
18256 (workshare_safe_to_combine_p): New.
18257 (get_ws_args_for): New.
18258 (determine_parallel_type): Move earlier in the file.
18259 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18261 (omp_copy_decl): Likewise.
18262 (create_omp_child_function): Likewise.
18263 (lookup_omp_region): New.
18264 (dump_omp_region): New.
18265 (debug_omp_region): New.
18266 (debug_all_omp_regions): New.
18267 (new_omp_region): New.
18268 (scan_omp_parallel): If parallel_nesting_level > 1, the
18269 directive is nested within another parallel directive.
18270 Set OMP_PARALLEL_FN.
18271 (scan_omp_for): Do not try to handle combined parallel+for
18273 Remove FIXME comment.
18274 (scan_omp_nested): Remove.
18275 (scan_omp_1): Do not call scan_omp_nested when
18276 parallel_nesting_level is > 1.
18277 Do not change the DECL_CONTEXT of local variables found.
18278 (lookup_decl_in_outer_ctx): New.
18279 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18280 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18281 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18282 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18283 If CTX is nested, lookup VAR in the outer context when
18284 building copy assignment.
18285 (lower_send_clauses): Rename from expand_send_clauses.
18286 If CTX is nested, lookup VAR in the outer context when
18287 building copy assignments.
18288 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18289 If CTX is nested, lookup VAR in the outer context when
18290 building copy assignments.
18291 (expand_parallel_call): Rename from build_parallel_call.
18292 Handle combined parallel+workshare cases.
18293 Re-implement to emit code into the CFG.
18295 (expand_omp_parallel): Re-implement to emit code into the CFG.
18296 Call move_sese_region_to_fn to outline the sub-graph
18297 containing the parallel region.
18298 (expand_omp_for_1): Remove.
18299 (expand_omp_for_generic): Re-implement to emit code into the
18301 (expand_omp_for_static_nochunk): Likewise.
18302 (expand_omp_for_static_chunk): Likewise.
18303 (expand_omp_for): Likewise.
18304 (expand_omp_sections): Likewise.
18305 (remove_exit_barriers): New.
18306 (expand_omp_synch): New.
18308 (build_omp_regions_1): New.
18309 (build_omp_regions): New.
18310 (execute_expand_omp): New.
18311 (gate_expand_omp): New.
18312 (pass_expand_omp): Define.
18313 (lower_omp_sections): Rename from expand_omp_sections.
18314 Set OMP_SECTIONS_SECTIONS.
18315 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18316 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18317 (lower_omp_single): Rename from expand_omp_simple.
18318 (lower_omp_master): Rename from expand_omp_master.
18319 (lower_omp_ordered): Rename from expand_omp_ordered.
18320 (lower_omp_critical): Rename from expand_omp_critical.
18321 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18322 (lower_omp_for): Re-implement.
18323 (lower_omp_parallel): Re-implement.
18324 (lower_regimplify): Rename from expand_regimplify.
18325 (lower_omp_1): Rename from expand_omp_1.
18326 If there are syntax errors in the program, replace every
18327 OpenMP directive with NOP.
18328 Call lower_omp_* instead of expand_omp_*.
18329 (lower_omp): Rename from expand_omp.
18331 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18332 * tree-gimple.h (enum omp_parallel_type): Remove.
18333 (gimple_boolify): Declare extern.
18334 (find_omp_clause, determine_parallel_type): Remove.
18336 * gimple-low.c (lower_omp_directive): New.
18337 (lower_stmt): Call it.
18338 (record_vars_into): Move from ...
18339 (record_vars): ... here.
18340 Call record_vars_into with current_function_decl.
18342 * gimplify.c (struct gimplify_ctx): Remove fields
18343 combined_pre_p and combined_ctxp. Update users.
18344 (get_formal_tmp_var): Add documentation.
18345 (gimple_boolify): Make extern.
18346 (gimplify_expr_in_ctx): Remove. Update callers.
18347 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18348 will always be a BIND_EXPR.
18349 (gimplify_expr): Handle OMP_RETURN_EXPR.
18350 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18351 (OMP_PARALLEL): Add 3 operands.
18352 (OMP_SECTIONS): Add 1 operand.
18353 (OMP_RETURN_EXPR): Define.
18355 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18356 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18357 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18358 creating a circular free list.
18359 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18361 * tree-flow.h (move_sese_region_to_fn): Declare.
18362 (record_vars_into): Declare.
18363 * tree-cfg.c (make_omp_sections_edges): New.
18364 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18365 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18366 OMP_SECTIONS and OMP_SECTION.
18367 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18368 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18369 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18370 (gather_blocks_in_sese_region): New.
18371 (struct move_stmt_d): Declare.
18372 (move_stmt_r): New.
18373 (move_block_to_fn): New.
18374 (move_sese_region_to_fn): New.
18376 * passes.c (init_optimization_passes): Schedule
18377 pass_expand_omp after pass_init_datastructures.
18379 * tree-ssa-operands.c (get_expr_operands): Handle
18380 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18381 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18383 2006-01-19 Jeff Law <law@redhat.com>
18385 * tree-vrp.c (extract_range_from_assert): Refine the result range
18386 if the variable referenced by the ASSERT_EXPR has a range and
18387 either the tentative result range or the previous range is a
18390 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18392 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18394 2006-01-19 Jan Hubicka <jh@suse.cz>
18396 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18398 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18400 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18401 (expand_compound_operation, expand_field_assignment): Fail if the
18402 bit lengths of an extract operation are out of range.
18403 (make_extraction): Compute wanted_inner_mode based on the position
18404 and length of the extraction. Make it extraction_mode for non-constant
18405 positions, and do not modify offset in that case. When generating a
18406 new MEM, use a mode that can hold the extraction while keeping correct
18407 alignment. Remove code that supported MEMs wrapped by USEs.
18408 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18410 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18412 * config/s390/s390.md ("Y", "y"): New mode attribute.
18413 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18414 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18415 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18416 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18417 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18418 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18419 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18420 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18421 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18422 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18423 "addsi3", "subsi3"): Insn patterns removed.
18424 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18425 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18426 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18427 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18428 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18429 "*sub<mode>3_cconly2"): New insn patterns.
18430 ("addsi3", "subsi3"): New expanders.
18432 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18434 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18435 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18436 existing STMT_VINFO_VECTYPE if available.
18437 (vect_mark_relevant): Add special handling for stmts that are
18438 marked as STMT_VINFO_IN_PATTERN_P.
18439 (vect_analyze_loop): Call vect_pattern_recog.
18440 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18441 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18443 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18444 (vect_recog_func_ptr): New function-pointer type.
18445 * tree-vect-patterns.c: New file.
18446 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18447 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18448 (vect_pattern_recog_1): New functions.
18449 (vect_pattern_recog_funcs): New array of function pointers.
18451 * tree-vectorizer.h (ternary_op): New enum value.
18452 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18453 declaration. Revised documentation. Removed redundant dump prints.
18454 Removed redundant argument. Added support for reduction patterns.
18455 (vectorizable_reduction): Added support for reduction patterns.
18456 (vect_transform_stmt): Added support for patterns.
18458 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18459 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18460 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18461 (expand_widen_pattern_expr): New function.
18462 (init_optabs): Initialize new optabs udot_prod_optab,
18464 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18465 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18466 (expand_widen_pattern_expr): New function declaration.
18467 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18469 * tree-inline.c (estimate_num_insns_1): Added cases for new
18470 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18471 * tree-pretty-print.c (dump_generic_node): Likewise.
18472 (op_prio): Likewise.
18473 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18474 * tree-ssa-operands.c (get_expr_operands): Added case for
18476 * tree-vect-patterns.c (widened_name_p): New function.
18477 (vect_recog_dot_prod_pattern): Added function implementation.
18478 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18479 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18480 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18481 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18483 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18484 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18485 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18486 (init_optabs): Initialize new optabs widen_ssum_optab,
18488 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18489 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18490 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18491 use instead of type of def.
18492 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18493 function implementation.
18494 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18495 widen_ssumv8hi): New.
18497 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18500 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18503 * c-decl.c (add_flexible_array_elts_to_size): New function.
18504 (finish_decl): Use it.
18506 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18508 * diagnostic.h: Include options.h.
18509 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18510 dependancies for diagnostic.h.
18511 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18513 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18515 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18516 (ssa_ro_call_cache_valid): Ditto.
18517 * tree-ssa-alias.c (sort_tags_by_id): New function.
18518 (init_transitive_clobber_worklist): Ditto.
18519 (add_to_worklist): Ditto.
18520 (mark_aliases_call_clobbered): Ditto.
18521 (compute_tag_properties): Ditto.
18522 (set_initial_properties): Ditto.
18523 (compute_call_clobbered): Ditto.
18524 (compute_may_aliases): Call compute_call_clobbered and grouping.
18525 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18526 (compute_flow_insensitive_aliasing): Grouping now happens in our
18528 (setup_pointers_and_addressables): Remove clobbering related code.
18529 (add_may_alias): Ditto.
18530 (replace_may_alias): Ditto.
18531 (get_nmt_for): Ditto.
18532 (create_global_var):
18533 (is_escape_site): Return an escape_type enumeration.
18534 * tree-flow-inline.h (is_call_clobbered): Global var does not
18535 imply call clobbered.
18536 (mark_call_clobbered): Take a reason for marking this. Remove
18537 marking of globalness, and cache invalidation.
18538 (clear_call_clobbered): Remove cache invalidation code.
18539 * tree-dfa.c (dump_variable): If details is on, dump the reason
18541 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18543 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18544 (struct var_ann_d): Ditto.
18545 (enum escape_type): New.
18546 (mark_call_clobbered): Adjust prototype.
18547 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18548 are never call clobbered.
18549 Record reasons for escaping.
18550 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18551 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18552 (ssa_ro_call_cache_valid): Ditto.
18553 (clobbered_v_may_defs): Ditto.
18554 (clobbered_vuses): Ditto.
18555 (ro_call_vuses): Ditto.
18556 (clobber_stats): New.
18557 (init_ssa_operands): Zero out clobber stats.
18558 (fini_ssa_operands): Print out clobber stats.
18559 (get_call_expr_operands): Pass callee fndecl to
18560 add_call_read_ops).
18561 (add_call_clobber_ops): Remove use of cache.
18562 Add use of PURE_CONST information.
18563 (add_call_read_ops): Remove use of cache.
18564 Add use of static not_read information.
18566 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18568 Introduce TLS descriptors for i386 and x86_64.
18569 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18570 (TARGET_ANY_GNU_TLS): New macro.
18571 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18572 (struct machine_function): Add tls_descriptor_call_expanded_p.
18573 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18574 (ix86_current_function_calls_tls_descriptor): Likewise.
18575 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18576 (override_options): Introduce gnu2 tls dialect.
18577 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18579 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18581 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18582 (ix86_init_machine_status): Initialize new field.
18583 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18584 (ix86_tls_module_base): New.
18585 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18586 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18587 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18588 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18589 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18590 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18591 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18592 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18593 * config/i386/predicates.md (tls_modbase_operand): New.
18594 (tp_or_register_operand): New.
18596 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18598 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18599 (look_for_address_of): Ditto.
18600 (ipa_init): Walk the function decls.
18601 (static_execute): Don't set readonly on FUNCTION_DECL's.
18603 2006-01-18 Roger Sayle <roger@eyesopen.com>
18605 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18606 for shifts where the source and destination registers are different.
18608 2006-01-18 Paul Brook <paul@codesourcery.com>
18610 Merge from csl-arm-branch.
18611 2005-03-14 Julian Brown <julian@codesourcery.com>
18612 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18613 (aeabi_llsl): Likewise.
18614 (ashrdi3): Likewise.
18615 (aeabi_lasr): Likewise.
18616 (lshrdi3): Likewise.
18617 (aeabi_llsr): Likewise.
18618 2005-03-10 Julian Brown <julian@codesourcery.com>
18619 * config.gcc: Disable shared libgcc for SymbianOS.
18620 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18622 2006-01-18 DJ Delorie <dj@redhat.com>
18624 * c-pragma.c (handle_pragma_diagnostic): New.
18625 (init_pragma): Register it.
18626 * doc/extend.texi: Document it.
18628 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18629 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18630 (diagnostic_context): Add classify_diagnostic[].
18631 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18632 as errors if they're overridden to DK_WARNING.
18633 (diagnostic_initialize): Initialize classify_diagnostic[].
18634 (diagnostic_set_kind_override): New.
18635 (diagnostic_report_diagnostic): Check for kind changes.
18636 * opts.c (common_handle_option): Take lang_mask. Update callers.
18637 Handle OPT_Werror_.
18638 * common.opt (Werror=): New.
18639 * doc/invoke.texi: Document -Werror=*
18641 2006-01-18 Jeff Law <law@redhat.com>
18643 * tree-vrp.c (test_for_singularity): Correct test for new
18644 min limit. Use operand_equal_p rather than pointer equality
18645 for testing if new min/max values are equal.
18647 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18648 using range information until after propagation and folding.
18650 2006-01-18 Richard Henderson <rth@redhat.com>
18651 Aldy Hernandez <aldyh@redhat.com>
18652 Jakub Jelinek <jakub@redhat.com>
18653 Diego Novillo <dnovillo@redhat.com>
18655 * omp-low.c: New file.
18656 * c-omp.c: New file.
18658 2006-01-18 Richard Henderson <rth@redhat.com>
18659 Jakub Jelinek <jakub@redhat.com>
18660 Diego Novillo <dnovillo@redhat.com>
18662 * doc/invoke.texi: Document -fopenmp.
18663 * tree-dump.h (debug_function): Declare.
18664 * hooks.c (hook_bool_tree_bool_false): New function.
18665 (hook_tree_tree_null): Remove.
18666 (hook_tree_tree_tree_null): New.
18667 * hooks.h: Update to match.
18668 * tree-pretty-print.c (debug_tree_chain): New.
18669 (print_generic_expr): Handle TDF_CHAIN.
18670 (dump_generic_node): Handle BLOCK.
18671 Do not abort with incomplete SWITCH_EXPRs.
18672 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18673 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18674 print space after directive name.
18675 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18676 Handle OMP_MASTER and OMP_ORDERED.
18677 Handle printing of OMP_BODY just in one place, goto
18678 dump_omp_body in the rest of OMP_* nodes that have
18680 Don't handle clause nodes here. Update omp statements to
18681 use dump_omp_clauses.
18682 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18683 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18684 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18685 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18686 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18687 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18688 Adjust output for GOMP_PARALLEL.
18689 (dump_omp_clauses): New.
18690 (print_declaration): Dump DECL_VALUE_EXPR.
18691 (op_symbol_1): Split out of op_symbol.
18692 (dumping_stmts): Remove. Update all users.
18693 * cgraph.c (cgraph_analyze_queue): New.
18694 (cgraph_add_new_function): New.
18695 * cgraph.h (cgraph_analyze_queue): Declare.
18696 (cgraph_add_new_function): Declare.
18697 (cgraph_lower_function): Remove.
18698 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18699 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18700 and TYPE_P nodes in its default clause.
18701 (empty_body_p): New.
18702 (tree_range_check_failed): New.
18703 (build5_stat): New.
18704 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18705 OMP_CLAUSE_REDUCTION_MERGE,
18706 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18707 OMP_CLAUSE_PRIVATE_DEBUG,
18708 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18709 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18710 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18711 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18712 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18713 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18714 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18715 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18716 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18717 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18718 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18719 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18720 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18721 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18722 (TREE_RANGE_CHECK): New.
18723 (empty_body_p): Declare.
18724 (enum omp_clause_default_kind): New.
18725 (build_string_literal): Declare.
18726 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18727 (build5_stat, build5): Declare.
18728 * tree-pass.h (TDF_CHAIN): Define.
18729 * tree-pass.h (PROP_gimple_lomp): Define.
18730 (pass_lower_omp): Declare.
18731 * diagnostic.h (debug_tree_chain): Declare.
18732 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18734 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18735 * builtins.c (build_string_literal): Make extern.
18736 * gcc.c (include_spec_function): New.
18737 (static_spec_functions): Add it.
18738 (main): Move load of libgomp.spec ...
18739 (LINK_COMMAND_SPEC): ... here.
18740 (link_gomp_spec): New.
18741 (static_specs): Include it.
18742 (LINK_COMMAND_SPEC): Add link_gomp.
18743 (GOMP_SELF_SPECS): New.
18744 (driver_self_specs): Include it.
18745 (switch_matches): Don't mark inline.
18746 (main): Load libgomp.spec.
18747 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18748 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18749 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18750 * tree-gimple.h (enum omp_parallel): Declare.
18751 (determine_parallel_type): Declare.
18752 (omp_firstprivatize_variable): Declare.
18753 (omp_reduction_init): Declare.
18754 (diagnose_omp_structured_block_errors): Declare.
18755 (struct walk_stmt_info): Add want_return_expr.
18756 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18757 (find_omp_clause): Declare.
18758 (insert_field_into_struct): Declare.
18759 (struct walk_stmt_info): Move from tree-nested.c
18760 (walk_stmts): Declare.
18761 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18763 * cgraphunit.c (cgraph_lower_function): Make static.
18764 (cgraph_finalize_pending_functions): New.
18765 (cgraph_finalize_function): Call it.
18766 (cgraph_finalize_compilation_unit): Likewise.
18767 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18768 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18769 (BT_FN_UINT_UINT): New.
18770 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18771 DEF_FUNCTION_TYPE_VAR_4): Document.
18772 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18773 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18774 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18775 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18776 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18777 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18778 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18779 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18780 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18781 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18782 into separate files.
18783 (DEF_GOMP_BUILTIN): New.
18784 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18785 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18786 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18787 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18788 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18789 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18790 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18791 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18792 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18793 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18794 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18795 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18796 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18797 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18798 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18799 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18800 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18801 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18802 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18803 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18804 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18805 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18806 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18807 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18808 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18809 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18810 * sync-builtins.def: New file, moved from builtins.def.
18811 * omp-builtins.def: New file, moved from builtins.def.
18812 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18813 * gimple-low.c (lower_function_body): Clear data.
18814 (lower_stmt): Do not handle COMPOUND_EXPR.
18815 Remove call to print_node_brief.
18816 * c-tree.h (c_finish_omp_clauses): New prototype.
18817 (C_DECL_THREADPRIVATE_P): Define.
18818 (lookup_name_no_remap, c_omp_remap_private): Remove
18819 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18820 (check_for_loop_decls): Update decl.
18821 (lookup_name_no_remap, c_omp_remap_private): Declare.
18822 (build_indirect_ref, build_modify_expr, pushdecl,
18823 pushdecl_top_level): Move to c-common.h.
18824 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18825 before the switch, but just in the 2 places that need it.
18826 * c-decl.c (diagnose_mismatched_decls): Do not check for
18827 mismatched thread-local attributes when OLDDECL is marked
18828 threadprivate and NEWDECL has no thread-local attributes.
18829 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18830 (c_gimple_diagnostics_recursively): Rename from
18831 c_warn_unused_result_recursively. Invoke
18832 diagnose_omp_structured_block_errors.
18833 (check_for_loop_decls): Return a singular decl found.
18834 * langhooks.c (lhd_omp_predetermined_sharing): Return
18835 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18836 (lhd_omp_firstprivatize_type_sizes): New.
18837 (lhd_omp_assignment): New.
18838 (lhd_omp_predetermined_sharing): New.
18839 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18840 (struct lang_hooks_for_types): Add
18841 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18842 omp_predetermined_sharing, omp_disregard_value_expr,
18843 omp_private_debug_clause, omp_clause_default_ctor,
18844 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18845 (c_finish_omp_clauses): New.
18846 (c_finish_bc_stmt): Diagnose break within omp for.
18847 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18848 (build_unary_op): Return error_mark after reporting
18850 (build_modify_expr): Likewise.
18851 * gimplify.c: Include optabs.h and pointer-set.h.
18852 (enum gimplify_omp_var_data): Declare.
18853 (struct gimplify_omp_ctx): Declare.
18854 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18856 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18857 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18858 (splay_tree_compare_decl_uid): New.
18859 (new_omp_context): New.
18860 (delete_omp_context): New.
18861 (gimple_add_tmp_var): Call omp_add_variable.
18862 (gimplify_bind_expr): Likewise.
18863 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18864 true, disregard DECL_VALUE_EXPR on the decl if any.
18865 (gimplify_expr_in_ctx): New.
18866 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18867 omp_add_variable, omp_notice_variable, omp_is_private
18868 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18869 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18870 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18871 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18872 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18873 gimplify_omp_atomic): New.
18874 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18875 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18876 OMP_CRITICAL and OMP_ATOMIC.
18877 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18878 * c-pragma.h (enum pragma_kind): Add
18879 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18880 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18881 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18882 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18883 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18884 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18885 PRAGMA_OMP_THREADPRIVATE.
18886 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18887 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18888 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18889 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18890 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18891 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18892 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18893 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18894 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18895 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18896 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18897 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18898 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18900 (struct nesting_info): Add field_map,
18901 suppress_expansion, debug_var_chain.
18902 (create_nesting_tree): Initialize them.
18903 (lookup_field_for_decl): Use field_map.
18904 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18905 (convert_local_omp_clauses): New.
18906 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18907 (walk_body): Split out of walk_function.
18908 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18909 (convert_nonlocal_reference): Handle omp statements.
18910 (convert_local_reference): Likewise.
18911 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18912 (unnest_nesting_tree): New.
18913 (lower_nested_functions): Call it.
18914 (insert_field_into_struct): Make extern.
18915 (struct walk_stmt_info): Move to tree-gimple.h.
18916 (walk_stmts): Make extern.
18917 * omp-builtins.def: New file.
18918 * tree-iterator.c (expr_only): Clarify comment.
18919 * c-common.h (pushdecl_top_level, pushdecl,
18920 build_modify_expr, build_indirect_ref,
18921 c_finish_omp_master, c_finish_omp_critical,
18922 c_finish_omp_ordered, c_finish_omp_barrier,
18923 c_finish_omp_atomic, c_finish_omp_flush,
18924 c_finish_omp_for, c_split_parallel_clauses,
18925 omp_clause_default_kind, c_omp_sharing_predetermined,
18926 c_omp_remap_decl): Declare.
18927 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18928 (OBJS-common): Add omp-low.o.
18929 (c-omp.o, omp-low.o): Add.
18930 (gimplify.o): Add dependency on $(OPTABS_H).
18931 (GTFILES): Add omp-low.c.
18932 (gt-stringpool.h): Add.
18933 * tree-cfg.c (set_bb_for_stmt): Do not update the
18934 block-to-labels map if we are currently expanding to RTL.
18935 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18937 Handle IDENTIFIER_NODE.
18938 (tree_verify_flow_info): Do not ICE when emitting error
18939 messages about invalid labels.
18940 (dump_function_to_file): Reset CFUN before emitting the body
18942 (debug_function): New.
18943 * passes.c (init_optimization_passes): Schedule
18945 * langhooks-def.h (lhd_omp_predetermined_sharing,
18946 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18948 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18949 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18950 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18951 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18952 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18953 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18954 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18955 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18956 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18957 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18958 (LANG_HOOK_DECLS): Use them.
18960 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18961 Richard Henderson <rth@redhat.com>
18962 Jakub Jelinek <jakub@redhat.com>
18963 Diego Novillo <dnovillo@redhat.com>
18965 * c-parser.c (pragma_omp_clause): Define.
18966 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18967 (c_parser_compound_statement): Likewise.
18968 (c_parser_statement): Likewise.
18969 (c_parser_pragma): Handle omp pragmas.
18970 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18971 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18972 (c_parser_omp_clause_name, check_no_duplicate_clause,
18973 c_parser_omp_variable_list,
18974 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18975 c_parser_omp_clause_copyprivate,
18976 c_parser_omp_clause_default,
18977 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18978 c_parser_omp_clause_lastprivate,
18979 c_parser_omp_clause_nowait,
18980 c_parser_omp_clause_num_threads,
18981 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18982 c_parser_omp_clause_reduction,
18983 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18984 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18985 c_parser_omp_atomic, c_parser_omp_barrier,
18986 c_parser_omp_critical, c_parser_omp_flush,
18987 c_parser_omp_for_loop, c_parser_omp_for,
18988 c_parser_omp_master, c_parser_omp_ordered,
18989 c_parser_omp_sections_scope, c_parser_omp_sections,
18990 c_parser_omp_parallel, c_parser_omp_single,
18991 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18992 * c-pragma.c (init_pragma): Do omp pragma registration here.
18993 * c.opt (fopenmp): New flag.
18995 2006-01-18 Eric Christopher <echristo@apple.com>
18997 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18998 * config/darwin.h (GOMP_SELF_SPECS): Define.
19000 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19002 * rtl.h: Remove the prototype for reg_alloc.
19004 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19007 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
19008 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
19009 sjlj and dwarf2 exception handling.
19010 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
19011 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
19012 * pa/pa.c (function_value): Treat complex and vector types as
19014 (function_arg): Likewise. Only pass scalar floats in the floating
19015 point argument registers.
19016 * pa/t-slibgcc-dwarf-ver: New file.
19017 * pa/t-slibgcc-sjlj-ver: New file.
19018 * pa/t-slibgcc-elf-ver: Delete file.
19020 2006-01-19 Alan Modra <amodra@bigpond.net.au>
19022 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
19023 unlikely_test_section_p test.
19025 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19027 * mode-switching.c (optimize_mode_switching): Make it static.
19028 * basic-block.h: Remove the prototype for
19029 optimize_mode_switching.
19031 * modulo-sched.c (sms_schedule): Make it static.
19032 * rtl.h: Remove the prototype for sms_schedule.
19034 * postreload-gcse.c (gcse_after_reload_main): Make it static.
19035 * rtl.h: Remove the prototype for gcse_after_reload_main.
19037 * reg-stack.c (reg_to_stack): Make it static.
19038 * rtl.h: Remove the prototype for reg_to_stack.
19040 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
19042 * rtl.h: Remove the prototypes for regrename_optimize and
19043 copyprop_hardreg_forward.
19045 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
19047 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
19048 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
19049 Test against the appropriate null constant for the mode.
19050 If 'fixup_overlap' is true, swap the operands if they overlap.
19051 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
19052 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
19053 alpha_split_tmode_pair and adjust for above change.
19054 * config/alpha/alpha.md (movtf_internal): Adjust call to
19055 alpha_split_tfmode_pair and rely on it to swap the operands.
19056 (movti_internal): New insn and post-reload splitter.
19057 (movti): New expander.
19059 2006-01-18 Philippe De Muyter <phdm@macqel.be>
19061 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
19064 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
19066 * rtlanal.c (global_reg_mentioned_p_1,
19067 global_reg_mentioned_p): Remove.
19068 * rtl.h: Remove the prototype for global_reg_mentioned_p.
19070 * flow.c (initialize_uninitialized_subregs): Make it static.
19071 * rtl.h: Remove the prototype for
19072 initialize_uninitialized_subregs.
19074 * function.c (instantiate_virtual_regs): Make it static.
19075 * function.h: Remove the prototype for
19076 instantiate_virtual_regs.
19078 * regmove.c (regmove_optimize, combine_stack_adjustments):
19080 * rtl.h: Remove the prototypes for regmove_optimize and
19081 combine_stack_adjustments.
19083 2006-01-17 Roger Sayle <roger@eyesopen.com>
19085 * config/i386/i386.c (COSTS_N_BYTES): New macro.
19086 (size_cost): Encode costs in bytes so that a reg-reg addition is
19087 equivalent to COSTS_N_INSNS(1).
19088 (override_options): Use the size_cost.branch_cost as the default
19089 ix86_branch_cost when optimizing for size.
19091 2006-01-18 Ben Elliston <bje@au.ibm.com>
19093 * Makefile.in (D32PBIT_FUNCS): New.
19094 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
19095 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
19096 D64PBIT_FUNCS and D128PBIT_FUNCS.
19097 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
19098 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
19100 (decnumber_dep): Define.
19101 * doc/libgcc.texi (Decimal float library routines): New node.
19102 * config/dfp-bit.h, config/dfp-bit.c: New files.
19104 2006-01-18 Ben Elliston <bje@au.ibm.com>
19106 * expr.c (emit_move_change_mode): Always adjust addresses, not
19107 just during reload. Copy replacements only during reload.
19108 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
19109 emit_move_via_integer.
19111 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
19113 * Makefile.in (check-%, check-consistency): Use $${srcdir}
19114 instead of $(srcdir) and ${srcdir}.
19116 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
19119 PR middle-end/11135
19120 * arm.h (struct machine_function): Add pic_reg.
19121 * arm.c (arm_pic_register): Make unsigned.
19122 (arm_override_options): Only set arm_pic_register if
19123 TARGET_SINGLE_PIC_BASE.
19124 (use_return_insn): Only test for a pic register if it is fixed.
19125 (arm_compute_save_reg0_reg12_mask): Likewise.
19126 (thumb_compute_save_reg_mask): Likewise.
19127 (legitimate_pic_operand): Factor out some known invariants.
19128 (legitimize_pic_address): If we don't have a fixed pic register,
19129 then set up a pseudo in the function entry sequence. Handle the
19130 pic base being in a pseudo.
19131 (arm_load_pic_register): Handle the pic register being in a pseudo.
19132 (arm_expand_prologue): Only set up the pic register if it is fixed.
19133 (thumb_expand_prologue): Likewise.
19134 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
19135 (pic_load_addr_based_insn): Likewise.
19136 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
19139 2006-01-18 Ben Elliston <bje@au.ibm.com>
19141 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
19142 decimal float modes for all floating point registers.
19144 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
19145 match_code "mem" with match_test "macho_lo_sum_memory_operand".
19147 2006-01-17 Jakub Jelinek <jakub@redhat.com>
19150 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
19151 even when the pointer is not NULL.
19153 2006-01-16 Ian Lance Taylor <ian@airs.com>
19155 * common.opt (ftoplevel-reorder): New option.
19156 * cgraph.c (cgraph_asm_nodes): New global variable.
19157 (cgraph_asm_last_node): New static variable.
19158 (cgraph_order): New global variable.
19159 (cgraph_create_node): Set new order field.
19160 (cgraph_varpool_node): Likewise.
19161 (decide_is_variable_needed): Return true if not
19162 flag_toplevel_reorder.
19163 (cgraph_add_asm_node): New function.
19164 * cgraph.h (struct cgraph_node): Add order field.
19165 (struct cgraph_varpool_node): Add order field.
19166 (struct cgraph_asm_node): Define.
19167 (cgraph_asm_nodes, cgraph_order): Declare.
19168 (cgraph_add_asm_node): Declare.
19169 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19171 (cgraph_varpool_assemble_pending_decls): Call it.
19172 (cgraph_output_pending_asms): New static function.
19173 (cgraph_finalize_compilation_unit): Call it.
19174 (struct cgraph_order_sort): Define.
19175 (cgraph_output_in_order): New static function.
19176 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19177 !flag_toplevel_reorder case.
19178 * c-parser.c: Include "cgraph.h".
19179 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19181 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19182 than -fno-unit-at-a-time.
19183 * doc/invoke.texi (Option Summary): Mention
19184 -fno-toplevel-reorder.
19185 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19186 -funit-at-a-time documentation.
19188 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19189 Kazu Hirata <kazu@codesourcery.com>
19191 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19193 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19195 * Makefile.in (FUNCTION_H): New. Use it instead of
19196 function.h throughout the file.
19197 * function.h: Include tree.h.
19199 2006-01-17 Ben Elliston <bje@au.ibm.com>
19201 * recog.c: Separate some functions with whitespace.
19203 2006-01-16 Richard Henderson <rth@redhat.com>
19205 Merge from gomp branch:
19206 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19207 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19208 and rename from struct inline_data. Rename callee* to dst*;
19209 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19210 transform_new_cfg, transform_return_to_modify, and
19211 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19213 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19214 (copy_decl_for_dup): Remove.
19215 * tree-inline.c (struct inline_data): Move to header.
19216 (insert_decl_map): Export.
19217 (remap_decl): Update for member name changes. Use copy_decl hook.
19218 Allow for replacement to be a non-decl. Remove dead code.
19219 (remap_type_1): Check for existing mapping.
19220 (remap_type): Export.
19221 (remap_decls): Update for member name changes.
19222 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19223 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19224 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19225 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19226 (tree_function_versioning, build_duplicate_type): Likewise.
19227 (copy_body_r): Likewise. Export.
19228 (copy_decl_for_dup): Split into ...
19229 (copy_decl_for_dup_finish, copy_decl_to_var,
19230 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19231 (replace_ref_tree, inlining_p): Remove.
19233 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19235 * ifcvt.c (if_convert): Make it static.
19236 * rtl.h: Remove the prototype for if_convert.
19238 * local-alloc.c (local_alloc): Make it static.
19239 * rtl.h: Remove the prototype for local_alloc.
19241 * loop.c (loop_optimize): Make it static.
19242 * cfgloop.h: Remove the prototype for loop_optimize.
19245 2006-01-16 DJ Delorie <dj@redhat.com>
19247 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19250 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19252 * pa.md: Disparage copies between general and floating-point registers
19253 in 32-bit move patterns.
19255 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19258 * Makefile.in (check-%): Depend on site.exp instead of
19259 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19262 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19264 * global.c (global_alloc): Make it static.
19265 * rtl.h: Remove the prototype for global_alloc.
19267 2006-01-16 Richard Guenther <rguenther@suse.de>
19269 * tree-ssa-alias.c (struct used_part): Add write_only field.
19270 (get_or_create_used_part_for): Initialize it to true.
19271 (create_overlap_variables_for): Don't create structure variables
19272 for structures that only are written to.
19273 (find_used_portions): Handle MODIFY_EXPR to track whether a
19274 structure is only written to.
19276 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19278 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19280 * basic-block.h: Remove the prototype for
19281 partition_hot_cold_basic_blocks.
19283 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19285 * cppspec.c (lang_specific_spec_functions): Remove.
19286 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19287 * gcc.h (lang_specific_spec_functions): Remove.
19288 * gccspec.c (lang_specific_spec_functions): Remove.
19290 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19292 * combine.c (record_value_for_reg): Invalidate registers
19294 (record_dead_and_set_regs_1): Likewise, by passing them to
19295 record_value_for_reg.
19296 (record_dead_and_set_regs): Invalidate stores made by a
19297 call. We do not combine across a call, but we still
19298 relied on equivalences.
19300 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19302 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19303 vrp_int_const_binop returning non-constant nodes.
19305 2006-01-16 Paul Brook <paul@codesourcery.com>
19307 * config/m68k/m68k.c (output_move_const_into_data_reg):
19308 Output correct mnemonic for mvz and mvs.
19310 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19312 * rtl-factoring.c: Add sequence abstraction algorithm.
19313 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19314 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19316 (block_has_preserve_label): New function.
19317 * common.opt: Register new pass.
19318 * Makefile.in: Ditto.
19320 * timevar.def: Ditto.
19321 * tree-pass.h: Ditto.
19322 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19323 * rtl.h (make_jump_insn_raw): Add forward decl.
19324 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19326 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19327 Roger Sayle <roger@eyesopen.com>
19329 * fold-const.c (fold_minmax): New static function.
19330 (fold_binary) <MIN_EXPR>: Call it.
19331 <MAX_EXPR>: Likewise.
19332 * stor-layout.c (place_field): Use DECL_SIZE consistently
19333 in the computation of the new record size.
19335 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19337 * cse.c (cse_condition_code_reg): Make it static.
19338 * rtl.h: Remove the prototype for cse_condition_code_reg.
19340 * combine.c (combine_instructions): Make it static.
19341 * rtl.h: Remove the prototype for combine_instructions.
19343 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19346 * tree.c (get_file_function_name_long): Concatenate the first global
19347 object name with a string derived from the input filename of the object
19350 2006-01-16 Ben Elliston <bje@au.ibm.com>
19352 * config/i386/winnt-stubs.c: Update FSF address.
19353 * config/xtensa/ieee754-df.S: Ditto.
19354 * config/xtensa/ieee754-sf.S: Ditto.
19356 2006-01-14 Ian Lance Taylor <ian@airs.com>
19358 * ifcvt.c (noce_init_if_info): New static function, broken out of
19359 noce_process_if_block.
19360 (noce_process_if_block): Call noce_init_if_info.
19361 (check_cond_move_block): New static function.
19362 (cond_move_process_if_block): New static function.
19363 (process_if_block): Call cond_move_process_if_block.
19365 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19367 * cselib.c (hash_table): Rename to cselib_hash_table.
19368 (cselib_clear_table, discard_useless_values,
19369 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19370 cselib_init, cselib_finish): Adjust uses of hash_table.
19372 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19374 PR tree-optimization/25485
19375 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19376 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19377 is known to be false and true, respectively.
19379 2006-01-14 Richard Guenther <rguenther@suse.de>
19381 PR tree-optimization/22548
19382 PR tree-optimization/22555
19383 PR tree-optimization/22501
19384 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19385 * params.def (salias-max-array-elements): New parameter.
19386 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19387 * doc/invoke.texi (salias-max-array-elements): Document.
19388 * tree-flow-inline.h (var_can_have_subvars): We also handle
19390 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19392 * tree-ssa-structalias.c (params.h): Include.
19393 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19394 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19395 (get_constraint_for): For ADDR_EXPR operating on something
19396 containing an ARRAY_REF, add all subvars to the solution.
19397 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19398 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19399 for creating MUST_DEFs.
19400 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19402 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19404 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19406 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19407 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19408 number_of_iterations_le): New functions.
19409 (number_of_iterations_special): Removed.
19410 (number_of_iterations_exit): Do not use number_of_iterations_special.
19411 * tree.c (unsigned_type_for): Always return integer type.
19413 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19414 Richard Guenther <rguenther@suse.de>
19416 PR rtl-optimization/24257
19417 * gcse.c (find_moveable_store): Only consider a store movable
19418 when the SET_SRC of the insn can be assigned to a register.
19420 2006-01-14 Ian Lance Taylor <ian@airs.com>
19422 * tree.c (tree_not_class_check_failed): New function.
19423 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19424 (tree_not_class_check_failed): Declare.
19426 2006-01-13 Ian Lance Taylor <ian@airs.com>
19428 * reload1.c (do_output_reload): Add assertion rejecting a
19431 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19433 * combine.c (struct reg_stat): Add new fields truncation_label and
19435 (record_value_for_reg): Reset truncated_to_mode.
19436 (record_truncated_value): New function.
19437 (check_promoted_subreg): Call it. Rename to check_conversions.
19438 (combine_instructions): Rename check_promoted_subreg to
19440 (reg_truncated_to_mode): New function.
19441 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19442 (gen_lowpart_or_truncate): New function.
19443 (force_to_mode): Use it instead of gen_lowpart.
19445 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19447 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19448 VAR is a tag, not its type tag.
19450 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19452 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19453 alternatives to match style of other entries.
19454 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19456 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19458 PR tree-optimization/25771
19459 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19462 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19465 * tree-inline.c (declare_return_variable): If the return variable
19466 was marked as a non gimple complex, set the return slot variable
19467 to be a non gimple comple variable.
19469 2006-01-13 Richard Guenther <rguenther@suse.de>
19471 * builtins.c (expand_builtin_sincos): New function.
19472 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19474 (expand_builtin): Expand sincos using expand_builtin_sincos.
19476 2006-01-12 DJ Delorie <dj@redhat.com>
19478 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19479 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19480 so that constant shifts can be split.
19481 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19482 (m32c_valid_pointer_mode): Make static.
19483 (shift_gen_func_for): New.
19484 (m32c_prepare_shift): Use it. Split large const shifts into
19486 * config/m32c/predicates.md (shiftcount_operand): Allow more
19488 (longshiftcount_operand): New.
19489 * doc/md.texi (Machine Constraints): Document In6.
19491 2006-01-13 Ben Elliston <bje@au.ibm.com>
19493 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19494 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19497 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19499 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19500 to try to avoid clobbering pieces of structures when we know
19501 something about the whole structure.
19502 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19504 2006-01-13 Ben Elliston <bje@au.ibm.com>
19506 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19507 return in memory, as this is no limitation is no longer present.
19509 2006-01-12 DJ Delorie <dj@redhat.com>
19511 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19512 mova with fb, and for fb+0 -> An.
19514 * config/m32c/mov.md (peephole2): Fix enabling logic.
19516 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19517 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19518 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19519 FINI_ARRAY_SECTION_ASM_OP): Define.
19521 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19523 (m32c_legitimize_reload_address): New logic to reload FB to An.
19524 (m32c_output_reg_push): Add newline.
19525 (m32c_output_reg_pop): Likewise.
19527 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19529 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19531 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19533 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19535 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19537 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19540 2006-01-11 Ben Elliston <bje@au.ibm.com>
19542 * rtlanal.c (find_reg_note): Assert insn is not null.
19544 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19546 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19549 2006-01-11 Jeff Law <law@redhat.com>
19551 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19553 (mark_threaded_blocks, register_jump_thread): New functions.
19554 (thread_through_all_blocks): Remove unwanted argument. No
19555 longer rely on e->aux to communicate thread target info.
19556 Call mark_threaded_blocks. Release the threaded_blocks
19557 bitmap and threaded_edges vector when complete.
19558 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19559 (threaded_blocks): Remove.
19560 (tree_ssa_dominator_optimize): Remove initialization and
19561 finalization of threaded_blocks. Simplify call to
19562 thread_through_all_blocks.
19563 (thread_across_edge): Call register_jump_thread rather than
19564 storing thread information into e->aux.
19565 (free_all_edge_infos): Simplify now that e->aux is no longer
19566 used to communicate with thread_through_all_blocks.
19567 * tree-flow.h (thread_through_all_blocks): Update prototype.
19568 (register_jump_thread): Prototype.
19570 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19572 * df-core.c (df_compact_blocks, df_bb_replace): Use
19573 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19575 2006-01-11 Richard Guenther <rguenther@suse.de>
19577 PR tree-optimization/25734
19578 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19579 stop propagation after successful propagation to the LHS.
19581 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19583 * basic-block.h (control_flow_graph): Change the type of
19584 x_basic_block_info to VEC(basic_block,gc) *.
19585 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19587 (SET_BASIC_BLOCK): New.
19588 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19589 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19590 * cfgbuild.c (find_basic_blocks): Likewise.
19591 * cfglayout.c (fixup_reorder_chain): Likewise.
19592 * cfgrtl.c (create_basic_block_structure,
19593 rtl_create_basic_block): Likewise.
19594 * ifcvt.c (find_if_case_1): Likewise.
19595 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19598 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19600 * Makefile.in: Removed rotted odf.c entry.
19602 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19605 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19606 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19607 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19608 output pattern modifier, not %e.
19609 * config/cris/cris.c (cris_op_str): Update comment about pattern
19611 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19612 before falling through into...
19613 <case 'E'>: Redefined from old 'e' case.
19615 2006-01-11 Jan Hubicka <jh@suse.cz>
19618 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19620 2006-01-11 Jan Hubicka <jh@suse.cz>
19622 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19623 * i386.c (x86_decompose_lea): Kill.
19624 (ix86_rtx_costs): Kill.
19626 2006-01-11 Jan Hubicka <jh@suse.cz>
19628 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19629 * cgraph.h (cgraph_node): Add inline_decl.
19630 (cgraph_insert_node_to_hashtable): Declare.
19631 (save_inline_function_body): Declare.
19632 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19634 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19635 (cgraph_function_versioning): Update call of tree_function_versioning.
19636 (save_inline_function_body): New function.
19637 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19638 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19639 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19640 (cgraph_default_inline_p): Likewise.
19641 (cgraph_decide_inlining_incrementally): Likewise.
19642 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19643 (copy_bb): Kill saving; do updating of clones.
19644 (copy_cfg_body): Kill saving.
19645 (initialize_inlined-parameters): Likewise.
19646 (expand_call_inline): Likewise.
19648 (tree_function_versioning): New parameter "update_clones".
19649 (inlining_p): Kill saving.
19650 * tree-inline.h (tree_function_versioning): Update prototype.
19651 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19654 2006-01-11 Ian Lance Taylor <ian@airs.com>
19656 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19657 Allow undoing set of machine mode.
19658 (do_SUBST): Use enums instead of is_int.
19659 (do_SUBST_MODE): New function.
19660 (SUBST_MODE): New macro.
19661 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19662 reg and trying to replace reg_regno_rtx with a new register.
19663 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19664 (simplify_set): Use SUBST_MODE.
19665 (distribute_notes): Remove code that tried to update reg notes
19666 for regno_reg_rtx changes.
19668 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19670 PR tree-optimization/23109
19671 PR tree-optimization/23948
19672 PR tree-optimization/24123
19674 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19675 * tree-cfg.c (single_noncomplex_succ): New.
19676 * tree-flow.h (single_noncomplex_succ): Declare it.
19677 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19678 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19679 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19680 insert_bb, register_division_in, insert_reciprocals,
19681 replace_reciprocal, free_bb): New.
19682 (execute_cse_reciprocals_1): Rewritten.
19683 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19684 Do not commit any edge insertion. Always compute dominators and
19685 create the allocation pool.
19686 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19687 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19688 * targhooks.c (default_min_divistions_for_recip_mul): New.
19689 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19690 * passes.c (init_optimization_passes): Run recip after tree loop
19692 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19694 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19695 Kenneth Zadeck <zadeck@naturalbridge.com>
19697 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19698 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19699 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19700 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19701 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19702 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19703 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19704 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19705 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19706 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19707 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19708 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19709 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19710 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19711 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19712 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19713 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19714 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19715 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19716 DF_SCAN_POST_ALLOC): New macros.
19717 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19718 df_free_bb_function, df_local_compute_function, df_init_function,
19719 df_dataflow_function, df_confluence_function_0,
19720 df_confluence_function_n, df_transfer_function,
19721 df_finalizer_function, df_free_function, df_dump_problem_function,
19722 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19723 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19724 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19725 df_urec_bb_info, ) New types.
19726 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19728 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19729 df_analyze_simple_change_some_blocks,
19730 df_analyze_simple_change_one_block, df_compact_blocks,
19731 df_bb_replace, df_bb_regno_last_use_find,
19732 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19733 df_insn_regno_def_p, df_find_def, df_find_use,
19734 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19735 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19736 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19737 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19738 debug_df_chain, df_get_dependent_problem, df_chain_create,
19739 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19740 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19741 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19742 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19743 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19744 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19745 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19746 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19747 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19748 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19749 df_reorganize_refs, df_set_state, df_hard_reg_init,
19750 df_read_modify_subreg_p) New public functions.
19751 * df-core.c: The core dataflow solver and glue routines for rtl
19753 (df_init, df_add_problem, df_set_blocks, df_finish,
19754 df_hybrid_search_forward, df_hybrid_search_backward,
19755 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19756 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19757 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19758 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19759 df_reg_defined, df_find_use, df_reg_used, df_dump,
19760 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19761 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19762 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19763 debug_df_useno, reset_df_after_reload): New functions.
19764 * df-scan.c: The scanning fuctions, once in df.c, completely
19765 rewritten so that they now fully model the functionality of
19766 register usage at the backend.
19767 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19768 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19769 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19770 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19771 df_get_artificial_defs, df_get_artificial_uses,
19772 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19773 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19774 df_refs_delete, df_reorganize_refs, df_set_state,
19775 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19776 df_def_record_1, df_defs_record, df_uses_record,
19777 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19778 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19779 df_record_exit_block_uses, df_hard_reg_init): New functions.
19781 * df-problems.c: Seven concrete dataflow problems that use the
19782 scanning in df-scan.c and are solved by the engine in df-core.c.
19783 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19784 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19785 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19786 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19787 df_ru_free_bb_info, df_ru_alloc,
19788 df_ru_bb_local_compute_process_def,
19789 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19790 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19791 df_ru_transfer_function, df_ru_free, df_ru_dump,
19792 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19793 df_rd_free_bb_info, df_rd_alloc,
19794 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19795 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19796 df_rd_transfer_function, df_rd_free, df_rd_dump,
19797 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19798 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19799 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19800 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19801 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19802 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19803 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19804 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19805 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19806 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19807 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19808 df_urec_mark_reg_use_for_earlyclobber,
19809 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19810 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19811 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19812 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19813 df_chain_create_bb_process_use, df_chain_create_bb,
19814 df_chain_finalize, df_chain_free, df_chains_dump,
19815 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19816 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19817 df_reg_lifetime): New functions.
19818 * df.c: Deleted file.
19819 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19820 consistent with new df api.
19821 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19822 rest_of_handle_sms): Ditto.
19823 * web.c (unionfind_union, union_defs, entry_register, web_main):
19825 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19826 invariant_expr_equal_p, find_defs, check_dependencies,
19827 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19828 free_inv_motion_data, move_loop_invariants): Ditto.
19829 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19830 Update dependencies.
19831 (odf.c): Added defective entry that was deleted later in day.
19832 * sched-deps.c (sched_analyze_1): Ditto.
19834 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19836 * tree-ssa-operands.c (get_expr_operands): Record addressable
19837 variables directly. Do not call add_stmt_operands for CONST_DECLs
19839 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19840 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19842 2006-01-11 Ben Elliston <bje@au.ibm.com>
19844 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19845 function returns true in the positive case.
19847 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19850 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19851 for SI, DI, SF and DF modes. Add alternatives to copy between
19852 general and floating point registers to the 32-bit patterns.
19853 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19854 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19855 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19856 generating 64-bit code.
19857 * config/pa/pa.c (output_move_double): Handle copies between general
19858 and floating registers.
19860 2006-01-10 Stuart Hastings <stuart@apple.com>
19862 * config/i386/i386.md (set_got): Update.
19863 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19864 (builtin_setjmp_receiver): Mach-O support.
19865 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19866 (GOT_SYMBOL_NAME): Define.
19867 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19868 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19869 * config/i386/i386.c (override_options): Revise for Darwin.
19870 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19871 support. (darwin_x86_file_end): New. (output_set_got): Add label
19872 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19873 * config/i386/i386-protos.h (output_set_got): Likewise.
19874 * config/darwin.c (machopic_legitimize_pic_address): Update
19877 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19879 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19880 when MODE isn't BLKmode.
19882 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19884 PR rtl-optimization/25367
19885 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19887 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19890 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19891 for a negative bound.
19893 2006-01-10 Richard Guenther <rguenther@suse.de>
19895 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19896 Never override with anything constraint.
19898 2006-01-10 Jan Beulich <jbeulich@novell.com>
19900 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19901 256 bits when optimize_size.
19903 2006-01-10 Jan Beulich <jbeulich@novell.com>
19905 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19907 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19908 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19911 2006-01-10 Ben Elliston <bje@au.ibm.com>
19913 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19915 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19916 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19917 (USE_FP_FOR_ARG): Reject decimal float modes.
19918 (function_arg_advance): Likewise.
19919 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19920 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19921 point types in AltiVec vectors.
19922 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19923 (rs6000_libcall_value): Likewise.
19925 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19927 * config/xtensa/ieee754-df.S: New file.
19928 * config/xtensa/ieee754-sf.S: New file.
19929 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19930 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19931 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19933 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19935 * config/sh/predicates.md (binary_float_operator,
19936 binary_logical_operator, commutative_float_operator,
19937 equality_comparison_operator, greater_comparison_operator,
19938 less_comparison_operator, logical_operator,
19939 noncommutative_float_operator, shift_operator,
19940 symbol_ref_operand, unary_float_operator): Remove redundant
19943 2006-01-09 Jeff Law <law@redhat.com>
19945 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19946 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19947 now unused arguments. Callers updated.
19948 (eliminate_redundant_computations): Remove now unused arguments,
19950 (local_fold): Remove, no longer used.
19951 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19953 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19954 (simplify_cond): New function.
19955 (forward_propagate_into_cond): Call simplify_cond.
19957 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19959 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19960 (*vec_extractv2di_1_sse): New.
19962 2006-01-09 Ben Elliston <bje@au.ibm.com>
19964 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19966 2006-01-08 Richard Guenther <rguenther@suse.de>
19968 * tree-ssa-structalias.c (get_constraint_for): Remove
19969 anyoffset argument.
19970 (get_constraint_for_component_ref): Likewise.
19971 (do_deref): Likewise.
19972 (get_constraint_for): Likewise.
19973 (do_structure_copy): Likewise.
19974 (handle_ptr_arith): Likewise.
19975 (find_func_aliases): Likewise. Remove unused need_anyoffset
19978 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19979 Kaz Kojima <kkojima@gcc.gnu.org>
19981 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19982 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19983 (EXTRA_CONSTRAINT_C16): Remove.
19984 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19985 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19986 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19987 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19988 constants of SHmedia. Handle nested constant expressions of
19990 (andcosts): Fix the costs for SHmedia constants.
19991 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19992 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19993 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19994 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19995 (movv4hi_i, movv2si_i): Likewise.
19996 (movsi_const): Adjust the second operand of ior so to match with
19997 the Csu constraint.
19998 (movdi_const, movdi_const_32bit): Likewise.
19999 (movdi_const_16bit+1): Don't sign-extend LOW.
20000 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
20002 (*double_shori): Fix the split condition. Use GEN_INT instead
20003 of get_int_mode calls. Mask lower 16-bit of the argument of
20005 (sym2GOTPLT): Remove.
20006 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
20008 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
20009 instead of EXTRA_CONSTRAINT_C16.
20011 2006-01-07 Ian Lance Taylor <ian@airs.com>
20012 David Edelsohn <edelsohn@gnu.org>
20014 PR rtl-optimization/25662
20015 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
20016 for constant operands instead of simplify_gen_binary.
20017 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
20018 after trying simplify_binary_operation
20020 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
20022 * tree.c (iterative_hash_expr): Hash decls based on UID.
20024 2006-01-06 Eric Christopher <echristo@apple.com>
20026 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
20027 (TARGET_UNWIND_EMIT): Fix spelling.
20028 * target.h (gcc_target): Add except_table_label.
20029 * except.c (output_function_exception_table): Use.
20030 * varasm.c (default_emit_except_table_label): New.
20031 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
20033 (asm_out): Add here.
20034 * output.h (default_emit_except_table_label): Prototype.
20035 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
20036 * config/darwin.c (darwin_emit_except_table_label): Define.
20037 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
20039 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
20041 PR tree-optimization/18527
20042 * tree-ssa-loop-niter.c (number_of_iterations_cond,
20043 number_of_iterations_special, number_of_iterations_exit):
20044 Move base and step of an iv to a single structure. Add
20045 no_overflow flag, and use it in # of iterations analysis.
20046 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
20047 folded_casts argument.
20048 (simple_iv): Pass base and step in a structure. Set no_overflow
20050 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
20051 Evaluate expensiveness of computing # of iterations instead of
20052 the final expression.
20053 * tree-scalar-evolution.h (affine_iv): New structure.
20054 (simple_iv): Declaration changed.
20055 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
20056 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
20057 find_givs_in_stmt): Changed due to simple_iv change.
20059 2006-01-06 Jeff Law <law@redhat.com>
20062 * tree-cfg.c (bsi_replace): Rename final argument from
20063 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
20064 change (stmt -> orig_stmt).
20065 * tree-eh.c (verify_eh_throw_stmt_node): New function.
20066 (bsi_remove): Add new argument. Remove EH information
20068 (verify_eh_throw_table_statements): New function.
20069 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
20071 * tree-optimize.c (execute_free_cfg_annotations): Verify
20072 the EH throw statement table after removing annotations.
20073 * except.h (verify_eh_throw_table_statements): Prototype.
20074 * tree-flow.h (bsi_remove): Update prototype.
20075 * tree-vrp.c (remove_range_assertions): Add new argument to
20077 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
20078 * tree-complex.c (expand_complex_div_wide): Likewise.
20079 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
20080 * tree-tailcall.c (eliminate_tailcall): Likewise.
20081 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
20082 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
20083 * tree-nrv.c (tree_nrv): Likewise.
20084 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
20085 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
20086 (combine_blocks): Likewise.
20087 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
20088 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
20089 (cleanup_control_flow): Likewise.
20090 (remove_forwarder_block): Likewise.
20091 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
20092 * tree-sra.c (sra_replace): Likewise.
20093 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
20094 (forward_propagate_single_use_vars): Likewise.
20095 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
20096 * tree-inline.c (expand_call_inline): Likewise.
20097 * tree-vect-transform.c (vect_transform_loop): Likewise.
20098 * tree-outof-ssa.c (rewrite_trees): Likewise.
20099 * tree-cfg.c (make_goto_expr_edges): Likewise.
20100 (cleanup_dead_labels): Likewise.
20101 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
20102 (bsi_move_before, bsi_move_after): Likewise.
20103 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
20104 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
20106 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
20109 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
20111 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
20112 on non gimple variables. Also add checks at the top for decls and
20114 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
20116 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
20117 and IMAGPART_EXPR for creating MUST_DEFs.
20118 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
20119 and NAME_MEMORY_TAG separately from the DECLs.
20121 2006-01-06 Richard Guenther <rguenther@suse.de>
20123 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
20124 annotation, if necessary.
20125 * tree-ssa-pre.c (create_expression_by_pieces): Remove
20126 redundant calls to update_stmt.
20127 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
20130 2006-01-05 Richard Henderson <rth@redhat.com>
20132 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
20134 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20136 * c-typeck.c: Update copyright date.
20138 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
20140 * c-typeck.c (build_c_cast): Always warn when casting
20141 from a pointer to an integer of different size, even if
20142 the node was constant.
20144 2006-01-05 Richard Guenther <rguenther@suse.de>
20146 PR tree-optimization/22555
20147 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
20148 if one structure field is an array.
20149 * tree-ssa-operands.c (get_expr_operands): Continue scanning
20150 operands even if we found a subvar, but ignore VOPs in this
20152 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
20154 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
20156 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
20158 PR middle-end/24998
20159 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
20161 2006-01-05 Richard Guenther <rguenther@suse.de>
20162 Diego Novillo <dnovillo@redhat.com>
20164 * tree-pass.h (TODO_remove_unused_locals): Define.
20165 * gimple-low.c (expand_var_p, remove_useless_vars,
20166 pass_remove_useless_vars): Remove. Update all users.
20167 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20168 (remove_unused_locals): New function.
20169 * tree-flow.h (remove_unused_locals): Declare.
20170 * passes.c (execute_todo): Call remove_unused_locals if
20171 TODO_remove_unused_locals is set.
20172 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20173 * tree-ssa-dce.c (pass_dce): Likewise.
20174 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20176 2006-01-05 Richard Guenther <rguenther@suse.de>
20178 * tree-flow.h (struct fieldoff): Decompose field to
20179 type, size and decl.
20180 * tree-ssa-alias.c (create_sft): Take type as parameter.
20181 (create_overlap_variables_for): Store type, size and decl
20182 in the fieldoff structure.
20183 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20184 of struct fieldoff.
20185 (push_fields_onto_fieldstack): Likewise.
20186 (create_variable_info_for): Likewise. Use offset for the
20187 SFT name if the decl is not available.
20189 2006-01-04 Paul Brook <paul@codesourcery.com>
20191 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20193 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20195 * lambda-code.c (can_put_in_inner_loop): Relax
20197 (can_put_after_inner_loop): New function.
20198 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20199 (perfect_nestify): Change to make copies and modify uses.
20201 2006-01-04 Richard Henderson <rth@redhat.com>
20203 Merge from gomp branch:
20204 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20205 via integer constant.
20206 (pragma_lex): Remove.
20207 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20208 rather than parsing it.
20209 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20210 handle_pragma_extern_prefix): Add %< %> quotes.
20211 (registered_pragmas): New.
20212 (c_register_pragma_1): New.
20213 (c_register_pragma): Use it.
20214 (c_register_pragma_with_expansion): Likewise.
20215 (c_invoke_pragma_handler): New.
20216 (init_pragma): Use cpp_register_deferred_pragma directly for
20218 * c-pragma.h (enum pragma_kind): New.
20219 (pragma_handler): New.
20220 (c_invoke_pragma_handler): Declare.
20221 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20223 * c-common.h (c_common_pch_pragma): Update decl.
20224 * Makefile.in (c-parser.o): Update dependencies.
20225 (GTFILES): Add c-pragma.h.
20226 * c-parser.c (struct c_token): Add pragma_kind.
20227 (struct c_parser): Add in_pragma.
20228 (c_lex_one_token): Always initialize keyword and pragma_kind.
20229 Extract data for CPP_PRAGMA.
20230 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20231 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20232 Don't allow CPP_PRAGMA_EOL if in_pragma.
20233 (c_parser_consume_pragma): New.
20234 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20235 (c_parser_skip_to_end_of_parameter): Likewise.
20236 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20237 (c_parser_skip_to_pragma_eol): New.
20238 (c_parser_external_declaration): Handle CPP_PRAGMA.
20239 (c_parser_compound_statement_nostart): Likewise.
20240 (c_parser_statement_after_labels): Likewise.
20241 (c_parser_pragma): New.
20242 (pragma_lex): Likewise.
20243 (c_parser_pragma_pch_preprocess): New.
20244 (c_parser_new): Merge into ...
20245 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20247 2006-01-04 Jeff Law <law@redhat.com>
20250 * tree-cfg.c (bsi_replace): Remove the original statement
20251 from the EH throw statement table.
20253 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20255 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20256 make the prototype extern "C" and add throw ().
20259 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20260 and pos non-negative and pos + len <= 32.
20261 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20262 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20263 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20266 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20267 as well as sizes not multiple of component size.
20270 * function.c (instantiate_expr): New function.
20271 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20272 walk its DECL_VALUE_EXPR with instantiate_expr.
20274 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20275 DW_OP_deref{,_size} if address isn't going to be added.
20277 2006-01-04 Ben Elliston <bje@au.ibm.com>
20279 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20280 * config/fp-bit.c: Likewise.
20282 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20284 * dominance.c: Add comment about why we use DFS numbering
20287 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20288 Richard Henderson <rth@redhat.com>
20290 Merge from gomp-branch:
20291 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20292 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20294 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20296 PR rtl-optimization/25578
20297 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20298 pass a parameter to simplify_shift_const if changing ASHIFTRT
20301 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20303 * builtins.c (get_builtin_sync_mem): New function.
20304 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20305 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20306 Call get_builtin_sync_mem to generate mem rtx.
20308 2006-01-03 Richard Guenther <rguenther@suse.de>
20311 * stmt.c (add_case_node): Make sure to clear overflow flags
20314 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20316 Merge from gomp-branch.
20317 * config/sparc/sync.md: New file.
20318 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20319 UNSPECV_LDSTUB): New constants.
20320 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20321 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20322 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20325 2006-01-03 Roger Sayle <roger@eyesopen.com>
20327 * combine.c (reg_subword_p): New predicate to test whether the
20328 destination of a set refers to a subword/piece of a register.
20329 (try_combine): Generalize the code to merge the setting of a
20330 pseudo to a constant followed by a set of a subword of that
20331 register to a constant.
20333 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20335 * basic-block.h (control_flow_graph): Change the type of
20336 x_label_to_block_map to VEC(basic_block,gc) *.
20337 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20338 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20340 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20341 VEC(basic_block,heap) *.
20342 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20343 ssa_prop_fini): Adjust the uses of cfg_blocks.
20345 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20347 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20349 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20350 hashing trees instead of a pointer hash.
20351 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20352 compare for MEM_EXPR.
20354 PR rtl-optimization/25130
20355 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20356 when comparing MEMs for GCSE
20358 2006-01-03 Ben Elliston <bje@au.ibm.com>
20360 * targhooks.h (default_decimal_float_supported_p): Declare.
20361 * targhooks.c (default_decimal_float_supported_p): Define.
20362 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20363 `default_decimal_float_supported_p'.
20364 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20366 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20368 * combine.c (apply_distributive_law <SUBREG>): Check
20369 TRULY_NOOP_TRUNCATION.
20371 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20373 * dwarf2out.c (have_switched_text_section): Delete.
20374 (have_multiple_function_sections): New.
20375 (have_location_lists): Make 'bool'.
20376 (add_AT_loc_list): Use 'true' not '1'.
20377 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20378 (output_loc_list): Use have_multiple_function_sections.
20379 (output_ranges): Likewise.
20380 (dwarf2out_begin_function): Set have_multiple_function_sections if
20382 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20383 Check function_section rather than DECL_SECTION_NAME.
20384 (dwarf2out_finish): Use have_multiple_function_sections.
20385 Don't clear have_location_lists.
20387 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20388 Jan Hubicka <jh@suse.cz>
20390 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20391 case of conditional jump jumping to the next instruction.
20392 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20393 cases of conditional jump jumping to the next instruction.
20395 2006-01-02 Jan Hubicka <jh@suse.cz>
20397 * i386.c (*_cost): Add COSTS_N_INSNS.
20398 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20400 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20403 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20405 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20407 * config/arm/arm.c (all_fpus): Fix comment typo.
20408 * config/darwin.c: Likewise.
20409 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20410 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20411 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20413 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20415 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20416 (rs6000_split_compare_and_swapqhi): New.
20417 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20418 (sync_compare_and_swapqhi_internal): New.
20419 * config/rs6000/rs6000-protos.h: Declare.