1 2006-11-30 Richard Sandiford <richard@codesourcery.com>
3 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
6 2006-11-30 Andrew Macleod <amacleod@redhat.com>
8 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
9 (COALESCE_HASH_FN): New. Define hash function.
10 (partition_pair_map_hash): New. Hash value for a partition pair.
11 (partition_pair_map_eq): New. Equality for hash pairs.
12 (create_coalesce_list): Create hash table.
13 (delete_coalesce_list): Free hash table.
14 (find_partition_pair): Find/create pairs in hash table.
15 (compare_pairs): Sort pairs in ascending order now.
16 (num_coalesce_pairs): New. Number of pairs in hash table.
17 (struct partition_pair_iterator): Iterator struct for pair table.
18 (first_partition_pair): Iterator function for first pair.
19 (end_partition_pair_p): Iterator function for end of iteration.
20 (next_partition_pair): Iterator function for next pair.
21 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
22 (sort_coalesce_list): Sort pairs from hash table into an array.
23 (pop_best_coalesce): Take pairs from the array.
24 (dump_coalesce_list): Update to use hash table or sorted array.
25 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
26 (struct coalesce_list_d): Add hash table related fields.
28 2006-11-30 Jan Hubicka <jh@suse.cz>
31 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
32 memmove/bcopy->memcpy conversion.
34 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
36 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
37 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
38 Default is the largest alignment supported for 32-bit ELF and
39 representable on a 32-bit host.
41 2006-11-30 Janis Johnson <janis187@us.ibm.com>
43 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
45 2006-11-30 Jan Hubicka <jh@suse.cz>
47 * tree-ssa-operands.h (struct ssa_operands): New.
48 * tree-flow-inline.h (gimple_ssa_operands): New function.
49 * tree-flow.h: (struct gimple_df): Add ssa_operands.
50 * Makefile.in: Remove gt-tree-ssa-operands.h
51 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
52 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
53 operand_memory, operand_memory_index, ops_active): Remove statics.
54 (ALLOC_OPTYPE): Update.
55 (operand_build_sort_virtual): Update.
56 (ssa_operands_active): Update.
57 (init_ssa_operands): Update.
58 (fini_ssa_operands): Update.
59 (ssa_operand_alloc): Update.
60 (INITIALIZE_USE): Update.
61 (finalize_ssa_use_ops): Update.
62 (finalize_ssa_v_may_def_ops): Update.
63 (finalize_ssa_vuse_ops): Update.
64 (finalize_ssa_v_must_def_ops): Update.
66 2006-11-30 Richard Guenther <rguenther@suse.de>
68 * tree-vectorizer.h (vectorizable_function): Export.
69 * tree-vect-transform.c (vectorizable_function): Likewise.
70 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
71 type_in to scalar type in recognition of squaring.
72 Make sure the target can vectorize sqrt in recognition
73 of sqrt, set type_in to vector type in this case.
75 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
77 * config/i386/i386.md (R10_REG): New constant.
78 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
79 (ix86_emit_restore_regs_using_mov): Ditto.
80 (ix86_expand_call): Ditto.
81 (x86_output_mi_thunk): Ditto. Also use R10_REG.
83 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
85 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
86 * alias.c (canon_true_dependence): Update comment.
88 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
90 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
91 at the end of a diagnostics message.
93 * alloc-pool.c (pool_free): Postpone clearing the pool entry
94 until after asserting that it was allocated in the right pool.
96 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
97 successor edge information as well. Make output of live regs
98 on exit consistent with live regs on entry.
100 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
103 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
104 insn patterns for TARGET_80387.
105 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
106 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
107 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
108 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
109 Generate truncxf<mode>2 insn patterns for strict SSE math.
111 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
113 * config/i386/i386.md (movsf_1): Enable pattern for standard
114 80387 constants before reload when optimizing for size.
115 (*movdf_nointeger, *movdf_integer): Ditto.
116 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
117 80387 constants before reload when not optimizing for size.
119 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
120 extension of XFmode input operands.
122 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
124 * config/spu/crt0.c (__dso_handle): Define.
126 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
128 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
129 when clearing the used flags.
131 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
133 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
135 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
138 * config/spu/spu.md (extend_compare<mode>): New pattern.
139 (extend_compare): Change to expand and use the above pattern.
141 2006-11-29 Janis Johnson <janis187@us.ibm.com>
143 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
145 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
146 (DFP_INIT_ROUNDMODE): Define.
147 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
148 * mklibgcc.in: Fix dependencies for dfp-bit.c.
150 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
152 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
153 Update documentation.
154 (associate_line_notes_with_blocks): Kill.
155 (extend_bb): Remove basic block argument, put void instead.
156 Remove line number handling for each bb.
157 (save_line_notes): Kill.
158 (restore_line_notes): Kill.
159 (sched_init): Remove line_note_head initialization.
160 Change extend_bb call.
161 (sched_finish): Remove free of line_note_head.
162 (add_block): Change extend_bb call.
163 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
164 rm_line_notes and restore_line_notes calls.
165 (schedule_ebbs): Remove rm_redundant_line_notes.
166 * sched-int.h (struct haifa_insn_data): Remove line_note.
167 (save_line_notes): Remove declaration.
168 (restore_line_notes): Remove declaration.
169 * modulo-sched.c (loop_canon_p): Update debug info printing
170 by using insn locators instead of line note.
171 (sms_schedule): Update debug info printing, by using insn
172 locators instead of line note.
173 * sched-rgn.c (debug_dependencies): Remove handling of case
174 n>0 (line number), since it's a dead code.
175 (schedule_region): Remove save_line_notes and
176 restore_line_notes calls.
178 2006-11-29 Joseph Myers <joseph@codesourcery.com>
180 * config/rs6000/predicates.md (gpc_reg_operand): Check
182 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
183 SImode subregs of SPE vectors.
184 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
185 * jump.c (true_regnum): Require subregs to satisfy
186 subreg_offset_representable_p.
188 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
189 Steven Bosscher <stevenb.gcc@gmail.com>
191 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
192 since it no longer exists.
194 2006-11-29 Duncan Sands <baldrick@free.fr>
196 PR tree-optimization/23744
197 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
199 2006-11-29 Duncan Sands <baldrick@free.fr>
201 PR tree-optimization/23744
202 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
204 2006-11-29 Duncan Sands <baldrick@free.fr>
206 PR tree-optimization/23744
207 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
209 2006-11-29 Jie Zhang <jie.zhang@analog.com>
211 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
213 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
215 * sh.opt (minline-ic_invalidate): New option.
216 (musermode): Adjust comment.
217 * sh.c (sh_initialize_trampoline): Emit library call unless
218 is set; if it is set, don't emit library call if we can use icbi
220 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
221 icbi for TARGET_SH4_300.
222 * t-sh (LIB1ASMFUNCS_CACHE): Set.
223 * doc/invoke.texi: Document -minline-ic_invalidate; Update
224 -musermode documentation.
226 2006-11-29 Jim Tison <jtison@us.ibm.com>
228 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
229 __gthread_recursive_mutex_init): Define.
231 2006-11-29 Joseph Myers <joseph@codesourcery.com>
233 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
234 STRICT_ALIGNMENT and the type is more aligned than the saved
235 registers, copy via a temporary.
237 2006-11-28 Andrew Pinski <pinskia@gmail.com>
240 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
243 2006-11-28 Bob Wilson <bob.wilson@acm.org>
245 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
247 2006-11-28 Jan Hubicka <jh@suse.cz>
249 Privatize SSA variables into gimple_df.
251 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
252 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
253 gimple_nonlocal_all): New accessors.
254 (first_referenced_var): Update.
255 (mark_stmt_modified): Update.
256 (is_call_clobbered): Update.
257 (mark_call_clobbered): Update.
258 (clear_call_clobbered): Update.
259 (mark_non_addressable): Update.
260 * tree-vrp.c (get_value_range): Update.
261 * tree-into-ssa.c (in_ssa_p): Kill.
262 (get_default_def_for): Update.
263 (rewrite_into_ssa): Update.
264 * tree-complex.c (init_parameter_lattice_values): Update.
265 (update_complex_assignment): Update.
266 (update_parameter_components): Update.
267 (expand_complex_libcall): Update.
268 (expand_complex_operations_1): Update.
269 * tree-tailcall.c (arg_needs_copy_p): Update.
270 (add_virtual_phis): Update.
271 (tree_optimize_tail_calls_1): Update.
272 * tree-ssa-dse.c (memory_ssa_name_same): Update.
273 * tree-ssa-copyrename.c
274 (copy_rename_partition_coalesce): Update.
275 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
276 * tree-ssa-propagate.c (set_rhs): Update.
277 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
278 addressable_vars, global_var):Kill.
279 (set_initial_properties): Update.
280 (init_alias_info): Update.
281 (finalize_ref_all_pointers): Update.
282 (setup_pointers_and_addressables): Update.
283 (maybe_create_global_var): Update.
284 (create_global_var): Update.
285 (dump_points_to_info): Update.
286 * function.h (struct gimple_df): Forward declare.
287 (struct function): Add GIMPLE_DF field.
288 * gimplify.c (force_gimple_operand): Update.
289 * tree-dfa.c (referenced_vars, default_defs): KIll.
290 (make_rename_temp): Update.
291 (dump_variable): Update.
292 (referenced_var_lookup): Update.
293 (referenced_var_check_and_insert): Update.
294 (default_def): Rename to ...
295 (gimple_default_def): ... this one; accept cfun argument.
296 (set_default_def): Update.
297 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
298 (cleanup_control_flow): Update.
299 * tree-ssa-pre.c (compute_avail): Update
300 * tree-ssa-live.c (calculate_live_on_entry): Update.
301 * tree-ssa.c (verify_use): Update.
302 (verify_call_clobbering): Update.
303 (verify_call_clobbering): Update.
304 (init_tree_ssa): Update.
305 (delete_tree_ssa): Update.
306 * tree-outof-ssa.c (coalesce_ssa_name): Update.
307 (rewrite_out_of_ssa): Update.
308 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
309 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
311 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
312 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
313 addressable_vars, aliases_computed_p): Kill.
314 (default_def): Rename to...
315 (gimple_default_def): ... this one.
316 (defaule_def_fn): Kill.
317 (num_referenced_vars, ssa_names, num_ssa_names): Update.
318 * tree-ssa-structalias.c (nonlocal_all): Kill.
319 (get_constraint_exp_from_ssa_var): Update.
320 (create_nonlocal_var): Update.
321 (get_constraint_for): Update.
322 (update_alias_info): Update.
323 (find_global_initializers): Update.
324 (intra_create_variable_infos): Update.
325 (intra_create_variable_infos):
326 (find_what_p_points_to): Update.
327 (init_alias_heapvars): Update.
328 * tree-cfg.c (remove_bb): Update.
329 (gimplify_val): Update.
330 * tree-ssa-reassoc.c (get_rank): Update.
331 (init_reassoc): Update.
332 * tree-ssanames.c: Do not include gt-tree-ssanames.h
333 (ssa_names, free_ssanames): Kill.
334 (init_ssanames): Update.
335 (make_ssa_name): Update.
336 (release_ssa_name): Update.
337 (release_defs): Update.
338 (replace_ssa_name_symbol): Update.
339 * tree-ssa-operands.c (access_can_touch_variable): Update.
340 (add_virtual_operand): Update.
341 (add_call_clobber_ops): Update.
342 (add_call_read_ops): Update.
343 (get_call_expr_operands): Update.
344 (get_asm_expr_operands): Update.
346 2006-11-28 Jan Hubicka <jh@suse.cz>
348 * builtins.c: Include tree-flow.h.
349 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
350 assignment; convert memmove to memcpy for sizes greater than 1 where
351 alignment of operands prohibit the partial overlap.
353 2006-11-28 Jan Hubicka <jh@suse.cz>
355 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
356 * cgraph.c (dump_cgraph_node): Dump stack usage.
357 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
358 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
359 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
360 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
361 (cgraph_check_inline_limits): Limit stack growth.
362 * cfgexpand.c: Include tree-inline.h.
363 (account_stack_vars): New function.
364 (expand_one_var): New param to just account the stack; return estimated
366 (expand_used_vars_for_block): Update call of expand_one_var.
367 (account_used_vars_for_block): New function.
368 (estimated_stack_frame_size): Likewise.
369 (init_vars_expansion, fini_vars_expansion): Break out from..
370 (expand_used_vars): ... here.
371 * tree-inline.h (estimated_stack_frame_size): Declare.
372 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
374 2006-11-28 Richard Guenther <rguenther@suse.de>
376 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
377 unsigned long for printing OBJECT_SIZE.
379 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
381 * alias.c (init_alias_analysis): Remove simplification loop
382 after propagating pointers.
384 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
386 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
389 2006-11-27 Bob Wilson <bob.wilson@acm.org>
391 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
393 2006-11-27 Roger Sayle <roger@eyesopen.com>
394 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
396 * c-common.c (constant_fits_type_p): Delete.
397 (unsigned_conversion_warning): Delete.
398 (conversion_warning): Integrate Wconversion warning from
399 unsigned_conversion_warning.
400 (convert_and_check): Integrate Woverflow warning from
401 unsigned_conversion_warning. Reorganize and simplify to avoid
402 dependence upon the middle-end setting TREE_OVERFLOW on integral
403 conversions, by using int_fits_type_p directly.
405 2006-11-27 Tobias Burnus <burnus@net-b.de>
407 * doc/invoke.texi: Fixed typo.
409 2006-11-27 Michael Matz <matz@suse.de>
410 Andreas Krebbel <krebbel1@de.ibm.com>
413 * config/s390/predicates.md (larl_operand): Check addend of larl
414 operand to be in range of -/+2GB.
415 * config/s390/s390.c (legitimize_pic_address): Likewise.
416 Changed type of variable even to HOST_WIDE_INT.
418 2006-11-27 Jan Hubicka <jh@suse.cz>
420 * expr.c (emit_block_move_via_libcall): Export.
421 (clear_storage_via_libcall): Rename to ...
422 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
423 (clear_storage): Update to set_storage_via_libcall.
424 * expr.h (emit_block_move_via_libcall): Declare
425 * config/i386/i386.h (stringop_alg): New enum.
426 (MAX_STRINGOP_ALGS): New constant.
427 (stringop_algs): New struct.
428 (processor_costs): Add memcpy/memset descriptors.
429 (TARGET_REP_MOVEL_OPTIMAL): Remove.
430 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
431 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
433 * config/i386/i386.opt (minline-stringops-dynamically,
434 mstringop-strategy): New
436 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
437 (ix86_expand-clrmem): Rename to ...
438 (ix86_expand_setmem): ... this one; update prototype.
439 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
440 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
441 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
442 nocona_cost, core2_cost, generic_cost, generic64_cost,
443 generic32_cost): Add memcpy/memset descriptors.
444 (x86_rep_movl_optimal): Remove.
445 (stringop_alg): New static variable.
446 (ix86_expand_aligntest): Handle predictions.
447 (override_options): Add strgop_alg handling.
448 (predict_jump): New function.
449 (scale_counter): New function.
450 (expand_set_or_movmem_via_loop): New function.
451 (expand_movmem_via_rep_mov): New function.
452 (expand_setmem_via_rep_stots): New function.
453 (emit_strmov): New function.
454 (expand_movmem_epilogue): New function.
455 (expand_setmem_epilogue_via_loop): New function.
456 (expand_setmem_epilogue): New function.
457 (expand_movmem_prologue): New function.
458 (expand_setmem_prologue): New function.
459 (decide_alg): New function.
460 (decide_alignment): New function.
461 (ix86_exand_movmem): Rewrite.
462 (promote_duplicated_reg): New function.
463 (ix86_expand_clrmem): Rename to ...
464 (ix86_expand_setmem): ... this one. Rewrite.
466 * invoke.texi (minline-stringops-dynamically): New command line option.
467 (mstringop-strategy): Likewise.
469 2006-11-27 Jan Hubicka <jh@suse.cz>
471 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
472 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
473 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
474 * insn-notes.def (FUNCTION_END): Remove.
475 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
476 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
478 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
479 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
480 * cfglayout.c (duplicate_insn_chain): Don't worry about
483 2006-11-27 Richard Guenther <rguenther@suse.de>
484 Zdenek Dvorak <dvorakz@suse.cz>
486 * target.h (struct gcc_target): Add builtin_vectorized_function
488 * target-def.h (TARGET_VECTORIZE): Likewise.
489 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
490 Document new target hook.
491 * targhooks.h (default_builtin_vectorized_function): Declare.
492 * targhooks.c (default_builtin_vectorized_function): Define.
493 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
494 (vectorizable_call): Declare.
495 * tree-vect-analyze.c (vect_analyze_operations): Call
497 * tree-vect-transform.c (vectorizable_function): New static function.
498 (build_vectorized_function_call): Likewise.
499 (vectorizable_call): New function.
500 (vect_transform_stmt): Handle vectorizable calls.
502 2006-11-27 Richard Guenther <rguenther@suse.de>
505 * builtins.c (expand_builtin_pow): Optimize non integer valued
506 constant exponents using sqrt or cbrt if possible. Always fall back
507 to expanding via optabs.
509 2006-11-27 Ira Rosen <irar@il.ibm.com>
511 PR tree-optimization/22372
512 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
513 the type of the base address.
514 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
515 it in the data-ref pointer creation.
516 (vect_init_vector): Add an argument, type of the init vector. Use it in
518 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
519 (get_initial_def_for_reduction): Likewise.
520 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
522 (vectorizable_assignment, vect_permute_store_chain): Likewise.
523 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
524 correct type in stmt creation.
525 (vect_setup_realignment): Use the correct type in stmt creation.
526 (vect_permute_load_chain): Change type of MODIFY_EXPR to
528 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
529 of MODIFY_EXPR to void_type_node.
530 (vectorizable_condition): Change type of MODIFY_EXPR to
532 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
535 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
538 2006-05-08 Uros Bizjak <uros@kss-loka.si>
539 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
540 standard 80387 constants, raise the cost to prevent
541 compress_float_constant() to generate load from memory.
543 * config/i386/i386.md: Add new splitter pattern to split
544 float_extended load of constant from constant pool into
547 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
549 * doc/install.texi: Move GMP/MPFR configure options from Fortran
550 section to general section. Remove documentation for
551 --with-mpfr-dir and --with-gmp-dir, add documentation for
552 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
555 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
557 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
559 * testsuite/gcc.dg/ipa/ipa-6.c: New.
561 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
563 PR tree-optimization/29122
564 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
565 for the new version. Assign NULL to DECL_RTL of the new version.
567 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
569 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
571 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
573 * cse.c (cse_altered): Remove.
574 (record_jump_equiv): Make true/false argument a bool instead
576 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
577 where appropriate. Emit a new jump before the existing one
578 instead of after so that delete_insn_and_edges removes the
579 dead edges properly. Check any_condjump_p before calling
581 (cse_basic_block): Check any_condjump_p before calling
583 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
585 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
587 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
588 -ffixed-line-length-* options.
590 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
592 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
593 (fprem1xf4): Rename to fprem1xf4_i387.
595 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
596 Rename patterns to fmod<mode>3. Use general_operand operand
597 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
598 patterns for SSE math.
599 (remaindersf3, remainderdf3): Ditto.
601 2006-11-25 Joseph Myers <joseph@codesourcery.com>
603 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
604 inside start_sequence / end_sequence pair.
606 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
608 * jump.c (mark_all_labels): Work in cfglayout mode.
609 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
610 when in cfglayout mode, because there are no dead jumptables
612 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
614 (commit_edge_insertions): Do not allow insertion of instructions
615 with control flow insns when in cfglayout mode.
617 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
619 * tree-vrp.c (execute_vrp): Do not pass loops structure through
621 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
622 unswitch_loop): Ditto.
623 * tree-loop-linear.c (linear_transform_loops): Ditto.
624 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
625 tree_ssa_lim): Ditto.
626 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
627 free_numbers_of_iterations_estimates): Ditto.
628 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
629 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
630 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
631 remove_path, add_loop, loopify, unloop, fix_loop_placements,
632 place_new_loop, duplicate_loop, duplicate_subloops,
633 update_single_exit_for_duplicated_loops, copy_loops_to,
634 duplicate_loop_to_header_edge, create_preheaders,
635 force_single_succ_latches, loop_version, fix_loop_structure):
637 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
638 tree_unroll_loop): Ditto.
639 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
640 * tree-scalar-evolution.c (select_loops_exit_conditions,
641 scev_initialize, scev_analysis): Ditto.
642 * tree-scalar-evolution.h (scev_initialize): Ditto.
643 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
644 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
645 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
646 * modulo-sched.c (sms_schedule): Ditto.
647 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
648 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
649 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
650 * ifcvt.c (if_convert): Ditto.
651 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
652 canonicalize_loop_induction_variables,
653 canonicalize_induction_variables,
654 tree_unroll_loops_completely, remove_empty_loops): Ditto.
655 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
656 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
657 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
658 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
659 tree_ssa_loop_done): Ditto.
660 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
661 estimate_bb_frequencies): Ditto.
662 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
663 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
664 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
665 decide_unrolling_and_peeling, peel_loop_completely,
666 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
667 peel_loop_simple, unroll_loop_stupid): Ditto.
668 * loop-doloop.c (doloop_optimize_loops): Ditto.
669 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
670 * loop-invariant.c (move_loop_invariants): Ditto.
671 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
672 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
673 tree_ssa_prefetch_arrays): Ditto.
674 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
676 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
677 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
678 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
679 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
680 verify_loop_structure): Ditto.
681 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
682 canonicalize_induction_variables, tree_unroll_loops_completely,
683 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
684 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
685 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
686 tree_unroll_loop, linear_transform_loops): Declaration changed.
687 * basic-block.h: Remove declaration of struct loops.
688 * cfghooks.h (struct cfg_hooks): Change type of
689 cfg_hook_duplicate_loop_to_header_edge.
690 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
691 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
692 vect_transform_loop): Declaration changed.
693 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
694 * cfgloop.h (flow_loops_dump, fix_loop_structure,
695 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
696 cancel_loop_tree, create_preheaders, force_single_succ_latches,
697 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
698 loopify, loop_version, remove_path, unswitch_loops,
699 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
702 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
704 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
705 (X87MODEF): New mode macro.
706 (ssemodefsuffix): New mode attribute.
707 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
708 (sqrt_extend<mode>xf2_i387): New insn pattern.
709 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
710 insn and truncate result back to original mode using
711 UNSPEC_TRUNC_NOOP truncation.
712 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
713 ssemodefsuffix mode attribute.
714 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
715 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
716 (*sqrtextenddfxf2_i387): Remove insn patterns.
718 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
721 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
723 2006-11-24 Jakub Jelinek <jakub@redhat.com>
726 * c-tree.h (c_maybe_initialize_eh): New prototype.
727 * c-decl.c (finish_decl): Move EH initialization...
728 (c_maybe_initialize_eh): ... here. New function.
729 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
730 if not #pragma omp atomic.
733 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
734 or UNION_TYPE inner types.
736 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
739 * ipa-pure-const.c (check_tree): If the original tree
740 is volatile return early and say the function is not pure
741 nor const. Remove the volatile check for writes.
742 (analyze_function): Print out the result of the local
745 2006-11-24 Joseph Myers <joseph@codesourcery.com>
747 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
749 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
750 * config/rs6000/rs6000.c (rs6000_override_options): Use
751 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
754 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
756 * config/s390.c (s390_emit_compare_and_swap): New function.
757 (s390_expand_cs_hqi, s390_expand_atomic): Call
758 s390_emit_compare_and_swap.
760 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
762 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
764 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
768 * c-common.c (conversion_warning): New.
769 (convert_and_check): Call conversion_warning unless there is an
771 * doc/invoke.texi (-Wconversion): Update description.
773 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
775 * tree-ssa-alias.c (tree_pointer_compare): New function.
776 (compact_name_tags): New function.
777 (group_aliases): Call compact_name_tags.
779 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
781 * real.h (real_isinteger): Declare.
782 * real.c (real_isinteger): Define.
783 * builtins.c (integer_valued_real_p): Use it.
785 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
788 * c.opt (Wtraditional-conversion): New.
789 (Wconversion): Update description.
790 * c-typeck.c (convert_arguments): Warnings for prototypes causing
791 type conversions different from what would happen in the absence
792 of prototype are now handled by Wtraditional-conversion.
793 * doc/invoke.texi (Wtraditional-conversion): New.
794 (Wconversion): Update description.
795 * doc/trouble.texi (Wconversion): Replace Wconversion by
796 Wtraditional-conversion.
798 2006-11-23 Andrew Pinski <pinskia@gmail.com>
800 * predict.c (tree_estimate_probability): Check to make
801 sure current_loops is non null before calling flow_loops_dump.
803 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
805 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
807 2006-11-23 David Ung <davidu@mips.com>
809 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
811 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
812 (ASM_SPEC): Pass along -mfp32 and -mfp64.
813 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
814 high part of FP register when in 64-bit FP register mode. Similarly
815 use gen_mfhc1 to load high part of FP register.
816 (override_options): Allow -mgp32 and -mfp64 combination if
817 ISA_HAS_MXHC1 (currently for O32 only).
818 (mips_cannot_change_mode_class): If floating-point registers are
819 bigger than word size. disallow conversion of float register from a
820 large integer mode to a float mode smaller than the float register
822 (mips_class_max_nregs): Handle float registers case seperately.
823 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
825 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
826 (movdf_hardfloat_32bit): Similarly.
827 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
828 support a full 64-bit fpu.
829 (mthc1): New pattern to generate MTHC1 instruction.
830 (mfhc1): New pattern to generate MFHC1 instruction.
831 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
832 option for the MIPS32R2 and mention its use under O32 ABI.
834 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
836 * var-tracking.c (emit_note_insn_var_location): Take care not to
837 cause verify_flow_info failures.
839 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
841 * tree-ssa-structalias.c: Remove edge weights in favor of just
842 processing them as complex constraints.
843 (struct constraint_graph): Remove weighted succs and preds. Rename
844 nonweighted succs and preds.
845 (constraint_edge): Removed.
846 (constraint_edge_t): Ditto.
847 (constraint_edge_pool): Ditto.
848 (new_constraint_edge): Ditto.
849 (constraint_edge_equal): Ditto.
850 (constraint_edge_less): Ditto.
851 (constraint_edge_vec_find): Ditto.
852 (erase_self_graph_edge): Ditto.
853 (add_graph_edge): Removed.
854 (get_graph_weights): Ditto.
855 (allocate_graph_weights): Ditto.
856 (valid_weighted_graph_edge): Ditto
857 (bitmap_other_than_zero_bit_set): Ditto.
858 (int_add_graph_edge): Renamed to add_graph_edge.
859 (clear_edges_for_node): Remove support for weighted edges.
860 (merge_graph_nodes): Ditto.
861 (valid_graph_edge): Ditto.
862 (build_constraint_graph): Ditto.
864 (collapse_nodes): Ditto.
865 (process_unification_queue): Ditto.
867 (do_ds_constraint): Ditto.
868 (perform_var_subsitution): Ditto.
869 (solve_graph): Ditto.
870 (init_alias_vars): Ditto.
871 (delete_points_to_sets): Ditto.
872 (do_complex_constraint): Support offsetted copies here.
874 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
876 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
878 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
880 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
883 2006-11-23 Ben Elliston <bje@au.ibm.com>
885 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
887 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
889 PR tree-optimization/29921
890 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
891 signed and unsigned zero equal.
893 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
895 * config/rs6000/rs6000.c (get_store_dest): New.
896 (adjacent_mem_locations): Use get_store_dest() to get
897 the rtl of the store destination.
899 2006-11-22 Joseph Myers <joseph@codesourcery.com>
901 * config/rs6000/spe.md (SPE64): New mode macro.
902 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
904 (mov_si<mode>_e500_subreg0_2): New.
905 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
907 (mov_si<mode>_e500_subreg4_2): New.
908 * config/rs6000/predicates.md (input_operand): Do not allow
909 invalid E500 subregs.
910 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
912 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
913 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
914 involving vector modes if TARGET_SPE.
916 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
919 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
920 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
922 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
924 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
925 mem_i_address_operand): New predicates.
926 * config/bfin/bfin.c (bfin_issue_rate): New function.
927 (TARGET_SCHED_ISSUE_RATE): New macro.
928 * config/bfin/bfin.md (addrtype): New attribute.
929 (slot0, slot1, slot2, store, pregs): New cpu_units.
930 (core): Now a define_reservation.
931 (alu): Remove some insn types from this reservation.
932 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
934 (dummy reservation): Don't trigger for mcld insns.
935 (absence_sets): Two new absence sets to enforce slot ordering.
936 (popsi_insn): Set addrtype.
938 2006-11-22 Ira Rosen <irar@il.ibm.com>
940 * doc/c-tree.texi: Document new tree codes.
941 * doc/md.texi: Document new optabs.
942 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
944 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
945 * optabs.h (optab_index): Add new.
946 (vec_extract_even_optab, vec_extract_odd_optab,
947 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
948 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
949 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
951 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
952 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
953 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
954 along with macros for their access.
955 * tree-data-ref.h (first_location_in_loop, data_reference): Update
957 * tree-vect-analyze.c (toplev.h): Include.
958 (vect_determine_vectorization_factor): Fix indentation.
959 (vect_insert_into_interleaving_chain,
960 vect_update_interleaving_chain, vect_equal_offsets): New functions.
961 (vect_analyze_data_ref_dependence): Add argument for interleaving
962 check. Check for interleaving if it's true.
963 (vect_check_dependences): New function.
964 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
965 every ddr. Call vect_analyze_data_ref_dependence with new argument.
966 (vect_update_misalignment_for_peel): Update for interleaving.
967 (vect_verify_datarefs_alignment): Check only first data-ref for
969 (vect_enhance_data_refs_alignment): Update for interleaving. Check
970 only first data-ref for interleaving.
971 (vect_analyze_data_ref_access): Check interleaving, update
973 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
974 with different parameters.
975 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
976 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
977 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
978 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
979 Update step in case of interleaving.
980 (vect_strided_store_supported, vect_permute_store_chain): New
982 (vectorizable_store): Handle strided stores.
983 (vect_strided_load_supported, vect_permute_load_chain,
984 vect_transform_strided_load): New functions.
985 (vectorizable_load): Handle strided loads.
986 (vect_transform_stmt): Add argument. Handle strided stores. Check
987 that vectorized stmt exists for patterns.
988 (vect_gen_niters_for_prolog_loop): Update calculation for
990 (vect_transform_loop): Remove stmt_vec_info for strided stores after
991 whole chain vectorization.
992 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
993 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
994 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
995 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
996 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
998 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1000 * cse.c (enum taken): Remove PATH_AROUND.
1001 (addr_affects_sp_p, invalidate_skipped_set,
1002 invalidate_skipped_block): Remove.
1003 (cse_end_of_basic_block): Remove skip_blocks and related code.
1004 (cse_main): Don't test for flag_cse_skip_blocks.
1005 Update cse_end_of_basic_block call.
1006 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1007 code to lengthen the path if a jump was simplified.
1009 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1011 PR rtl-optimization/29924
1012 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1013 (unroll_loop_runtime_iterations): Assert that the argument passed to
1014 split_edge_and_insert is not NULL.
1015 * loop-doloop.c (add_test): Ditto.
1017 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1019 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1021 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1022 * cfgloopmanip.c (update_single_exits_after_duplication,
1023 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1024 * tree-scalar-evolution.c (get_loop_exit_condition,
1025 get_exit_conditions_rec, loop_closed_phi_def,
1026 number_of_iterations_in_loop, scev_const_prop): Ditto.
1027 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1028 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1030 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1032 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1033 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1034 slpeel_make_loop_iterate_ntimes,
1035 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1036 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1038 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1039 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1040 vect_analyze_loop_form): Ditto.
1041 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1042 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1043 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1044 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1045 vect_transform_loop): Ditto.
1046 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1047 (single_exit, set_single_exit): New functions.
1048 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1049 (single_exit, set_single_exit): Declare.
1050 * doc/loop.texi: Undocument single_exit field. Document single_exit
1053 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1055 PR tree-optimization/29902
1056 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1057 any involved ssa name appears in abnormal phi node.
1059 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1061 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1062 (xtensa_const_ok_for_letter_p): Delete.
1063 (xtensa_extra_constraint): Delete.
1064 (override_options): Delete xtensa_char_to_class initialization.
1065 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1066 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1067 (EXTRA_CONSTRAINT): Delete.
1068 * config/xtensa/xtensa.md: Include constraints.md.
1069 (call_internal): Combine alternatives.
1070 (call_value_internal): Likewise, and remove invalid constraints.
1071 * config/xtensa/constraints.md: New file.
1072 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1073 (xtensa_extra_constraint): Delete.
1074 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1077 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1079 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1080 of conversion that doesn't fit.
1082 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1083 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1084 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1086 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1088 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1090 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1092 2006-11-21 Richard Guenther <rguenther@suse.de>
1094 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1095 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1096 vect_recog_pow_pattern.
1097 (vect_recog_pow_pattern): New function.
1099 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1101 * config/bfin/bfin.opt (mstack-check-l1): New.
1102 * doc/invoke.texi (Blackfin Options): Document it.
1103 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1104 stack bounds in L1 memory if the new option is enabled.
1105 (override_options): Don't allow combinations of -fstack-limit and
1107 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1110 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1112 (bfin_register_move_cost): Bump costs if trying to move plain
1113 integer values through accumulators.
1115 2006-11-21 Ben Elliston <bje@au.ibm.com>
1117 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1119 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1120 Russell Olsen <Russell_Olsen@playstation.sony.com>
1121 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1122 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1123 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1124 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1125 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1127 * config.gcc: Add target for SPU.
1128 * config/spu/constraints.md: New file.
1129 * config/spu/crt0.c: New file.
1130 * config/spu/crtend.c: New file.
1131 * config/spu/crti.asm: New file.
1132 * config/spu/crtn.asm: New file.
1133 * config/spu/float_unsdidf.c: New file.
1134 * config/spu/float_unssidf.c: New file.
1135 * config/spu/predicates.md: New file.
1136 * config/spu/spu-builtins.def: New file.
1137 * config/spu/spu-builtins.h: New file.
1138 * config/spu/spu-builtins.md: New file.
1139 * config/spu/spu-c.c: New file.
1140 * config/spu/spu-elf.h: New file.
1141 * config/spu/spu-modes.def: New file.
1142 * config/spu/spu-protos.h: New file.
1143 * config/spu/spu.c: New file.
1144 * config/spu/spu.h: New file.
1145 * config/spu/spu.md: New file.
1146 * config/spu/spu.opt: New file.
1147 * config/spu/spu_internals.h: New file.
1148 * config/spu/spu_intrinsics.h: New file.
1149 * config/spu/spu_mfcio.h: New file.
1150 * config/spu/t-spu-elf: New file.
1151 * config/spu/vec_types.h: New file.
1152 * config/spu/vmx2spu.h: New file.
1153 * doc/contrib.texi: Document SPU contributor.
1154 * doc/extend.texi: Document SPU extensions.
1155 * doc/invoke.texi: Document SPU options.
1156 * doc/md.texi: Document SPU constraints.
1158 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1160 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1162 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1164 (flow_loop_dump): Do not dump loop level.
1165 (flow_loops_find): Do not call flow_loops_level_compute.
1166 * cfgloop.h (struct loop): Remove level field.
1168 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1170 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1171 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1172 Use vector of edges instead of array.
1173 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1174 estimate_numbers_of_iterations_loop): Ditto.
1175 * predict.c (predict_loops): Ditto.
1176 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1177 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1179 * basic-block.h: Declare heap allocation for edge vectors.
1180 * tree-outof-ssa.c: Ditto.
1181 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1182 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1184 2006-11-20 Zack Weinberg <zackw@panix.com>
1186 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1187 Add another out parameter, "skip".
1188 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1189 is tagged "skip", do not mark its type used.
1191 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1194 * tree-sra.c (single_scalar_field_in_record_p): New function.
1195 (decide_block_copy): Use it.
1197 2006-11-20 David Daney <ddaney@avtrex.com>
1199 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1200 PC to point to following instruction.
1202 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1206 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1208 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1210 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1212 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1213 Add sh/superh.h to tm_file.
1215 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1216 Mark Mitchell <mark@codesourcery.com>
1218 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1220 (cpp_relocated): New function.
1221 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1223 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1224 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1225 replace configured prefix with gcc_exec_prefix.
1227 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1229 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1230 bfin_legitimate_constant_p.
1231 * config/bfin/bfin.md (movsi expander): Check return value of
1233 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1234 (expand_move): Adjust prototype.
1235 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1236 invalid constants specially.
1237 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1239 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1241 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1242 sibcall_value_symbol): Allow these patterns if
1243 TARGET_LEAF_ID_SHARED_LIBRARY.
1244 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1245 (override_options): Turn on id shared library flags if -msep-data,
1246 but disallow the combination of these options on the command line.
1247 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1248 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1249 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1250 -mid-shared-library.
1251 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1252 * doc/invoke.texi (Blackfin Options): Document new switches.
1254 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1255 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1257 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1258 inflate costs for addresses with an out-of-bounds address.
1260 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1263 * fwprop.c (loops): Remove.
1264 (forward_propagate_into): Use current_loops instead of
1266 (fwprop_init): Call loop_optimizer_init instead of
1268 (fwprop_done): Call loop_optimizer_finalize instead of
1270 (fwprop): Use current_loops instead of loops.
1272 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1275 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1277 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1280 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1281 larger than BITS_PER_WORD.
1283 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1287 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1288 to MAX_FIXED_MODE_SIZE.
1290 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1292 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1293 (fold_builtin_fmin_fmax): New.
1294 (fold_builtin_1): Use it.
1296 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1298 2006-11-18 Richard Guenther <rguenther@suse.de>
1300 * config/i386/i386.c (ix86_builtins): New array for ix86
1301 builtin function decls.
1302 (def_builtin): New function.
1303 (def_builtin_const): Likewise.
1304 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1306 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1308 * doc/invoke.texi (core2): Add item.
1310 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1312 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1313 (TARGET_CPU_DEFAULT_generic): Change value.
1314 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1315 (processor_type): Add new constant PROCESSOR_CORE2.
1317 * config/i386/i386.md (cpu): Add core2.
1319 * config/i386/i386.c (core2_cost): New initialized variable.
1320 (m_CORE2): New macro.
1321 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1322 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1323 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1324 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1325 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1326 x86_accumulate_outgoing_args, x86_prologue_using_move,
1327 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1328 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1329 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1330 x86_pad_returns): Add m_CORE2.
1331 (override_options): Add entries for Core2.
1332 (ix86_issue_rate): Add case for Core2.
1334 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1336 * doc/invoke.texi: Fix mno-isel typo.
1338 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1340 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1341 easy vector constant loads.
1343 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1345 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1346 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1347 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1348 * config/rs6000/sync.md (lwsync): Emit plain sync if
1351 2006-11-17 DJ Delorie <dj@redhat.com>
1353 * reload1.c (reloads_unique_chain): New.
1354 (reloads_conflict): Call it.
1356 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1358 * config/xtensa/predicates.md (addsubx_operand): New.
1359 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1360 (xtensa_emit_bit_branch): New.
1361 (xtensa_emit_movcc): New.
1362 * config/xtensa/xtensa.md (any_minmax): New code macro.
1363 (minmax): New code attribute.
1364 (any_cond, any_scc, any_scc_sf): New code macros.
1365 (*addx2, *addx4, *addx8): Delete.
1367 (*subx2, *subx4, *subx8): Delete.
1369 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1370 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1371 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1372 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1373 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1374 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1375 (movsfcc_internal0, movsfcc_internal1): Likewise.
1376 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1377 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1378 (xtensa_emit_bit_branch): New.
1379 (xtensa_emit_movcc): New.
1380 (function_arg_boundary): Add missing prototype.
1382 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1384 * config/xtensa/xtensa.md (tstsi): Delete
1386 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1388 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1390 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1392 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1394 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1396 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1398 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1400 * tree-vrp.c (execute_vrp): Do not update current_loops.
1401 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1402 * doc/loop.texi: Remove documentation for cancelled functions.
1403 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1404 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1406 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1407 (remove_path): Ensure that in delete_basic_blocks, the loops
1408 are still allocated.
1409 (add_loop): Work on valid loop structures.
1410 (loopify): Modify call of add_loop.
1411 (mfb_update_loops): Removed.
1412 (create_preheader): Do not update loops explicitly.
1413 (force_single_succ_latches, loop_version): Do not use
1414 loop_split_edge_with.
1415 (loop_split_edge_with): Removed.
1416 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1417 Do not use bsi_insert_on_edge_immediate_loop.
1418 (split_loop_exit_edge, tree_unroll_loop): Do not use
1419 loop_split_edge_with.
1420 (bsi_insert_on_edge_immediate_loop): Removed.
1421 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1422 use loop_split_edge_with.
1423 * cfghooks.c: Include cfgloop.h.
1424 (verify_flow_info): Verify that loop_father is filled iff current_loops
1426 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1427 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1429 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1431 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1432 loop_split_edge_with.
1433 (sms_schedule): Use current_loops.
1434 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1435 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1437 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1438 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1439 * ifcvt.c (if_convert): Ditto.
1440 * predict.c (predict_loops): Do not clear current_loops.
1441 (tree_estimate_probability): Use current_loops.
1442 (propagate_freq): Receive head of the region to propagate instead of
1444 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1445 (estimate_loops): New function. Handle case current_loops == NULL.
1446 (estimate_bb_frequencies): Do not allocate tovisit. Use
1448 * tree-ssa-loop.c (current_loops): Removed.
1449 (tree_loop_optimizer_init): Do not return loops.
1450 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1451 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1452 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1453 Do not update loops explicitly.
1454 * function.h (struct function): Add x_current_loops field.
1455 (current_loops): New macro.
1456 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1457 * loop-unroll.c (split_edge_and_insert): New function.
1458 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1459 use loop_split_edge_with.
1460 * loop-doloop.c (add_test, doloop_modify): Ditto.
1461 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1462 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1463 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1464 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1466 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1467 (flow_loops_free): Do not free dfs_order and rc_order.
1468 (flow_loops_find): Do not set dfs_order and rc_order in loops
1469 structure. Do not call loops and flow info verification.
1470 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1471 already belongs to some loop.
1472 * cfgloop.h (struct loops): Remove struct cfg.
1473 (current_loops, loop_split_edge_with): Declaration removed.
1474 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1475 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1476 Declaration removed.
1477 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1478 * basic-block.h (split_edge_and_insert): Declare.
1479 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1481 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1483 PR tree-optimization/29801
1484 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1485 (get_default_value): Use get_symbol_constant_value.
1486 (set_lattice_value): ICE when the value of the constant is
1488 (visit_assignment): Ignore VDEFs of read-only variables.
1490 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1492 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1494 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1495 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1497 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1499 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1500 select subvars of var.
1502 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1505 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1506 optimize if DEF doesn't have integral type.
1508 2006-11-16 Mike Stump <mrs@apple.com>
1510 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1511 pre-darwin9 system, unless the user asks for it directly.
1512 (PREFERRED_DEBUGGING_TYPE): Likewise.
1513 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1514 * config.gcc: Add suppport for darwin9.h.
1515 * config/darwin9.h: Add.
1516 * doc/install.texi (Specific): Clarify darwin documentation.
1518 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1520 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1521 optimizing for size.
1523 2006-11-16 Mike Stump <mrs@apple.com>
1525 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1527 2006-11-16 Dirk Mueller <dmueller@suse.de>
1529 * tree-vrp.c (get_value_range): Use XCNEW instead
1531 (insert_range_assertions): Use XCNEWVEC instead
1532 of XNEWVEC and memset.
1533 (vrp_initialize): Same.
1534 (vrp_finalize): Same.
1535 * tree-ssa-ccp.c (ccp_initialize): Same.
1536 * predict.c (tree_bb_level_predictions): Same.
1537 * calls.c (expand_call): Same.
1538 * tree-ssa-copy.c (init_copy_prop): Same.
1539 (fini_copy_prop): Same.
1540 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1541 of GGC_NEW and memset.
1543 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1546 * gimplify.c (gimplify_expr): Only force a load for references to
1547 non-BLKmode volatile values.
1548 * doc/implement-c.texi (Qualifiers implementation): Document the
1549 interpretation of what a volatile access is.
1550 * doc/extend.texi (C++ Extensions): Rework same documentation.
1552 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1554 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1557 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1559 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1561 (arm_neg_abssi2): Renamed from neg_abssi2.
1562 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1564 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1566 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1567 number of arguments passed to local functions in SSE registers is 3.
1569 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1570 number of arguments passed in SSE registers to 3.
1572 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1575 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1577 (get_last_bb_insn): ... new global function.
1578 (basic_block.h): Declare it.
1579 * haifa-sched.c (create_recovery_block): Use it.
1581 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1584 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1586 2006-11-15 Paul Brook <paul@codesourcery.com>
1588 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1589 _Unwind_GetTextRelBase): Move from here ...
1590 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1591 _Unwind_GetTextRelBase): ... To here.
1593 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1595 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1596 addresses we generate for testing are aligned.
1598 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1601 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1602 to what is the const decl is a place holder for.
1604 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1606 * config/i386/i386.opt: New target option -mx87regparm.
1608 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1609 and float_in_x87 variables. mmx_words, sse_words: Remove.
1610 (X87_REGPARM_MAX): Define.
1612 * config/i386/i386.c (override_options): Error out for
1613 -mx87regparm but no 80387 support.
1614 (ix86_attribute_table): Add x87regparm.
1615 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1616 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1617 (ix86_function_x87regparm): New function.
1618 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1620 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1622 (function_arg_advance): Process x87_nregs and x87_regno when
1623 floating point argument is to be passed in 80387 register.
1624 (function_arg): Pass XFmode arguments in 80387 registers for local
1625 functions. Pass SFmode and DFmode arguments to local functions
1626 in 80387 registers when flag_unsafe_math_optimizations is set.
1628 * reg-stack.c (convert_regs_entry): Disable NaN load for
1629 stack registers that are used for argument passing.
1631 * doc/extend.texi: Document x87regparm function attribute.
1632 * doc/invoke.texi: Document -mx87regparm.
1634 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1636 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1637 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1638 arg MODE; all callers changed. Use it to determine validity per
1639 machine mode instead of using Pmode for all memory references.
1640 (get_address_cost): Likewise add and use new arg MEM_MODE.
1642 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1643 J"orn Rennecke <joern.rennecke@st.com>
1645 * combine.c (likely_spilled_retval_1): Fix masking operation.
1646 (likely_spilled_retval_p): Use proper pattern for call to
1647 likely_spilled_retval_1.
1649 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1651 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1653 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1654 that tests for CONSTANT_POOL_ADDRESS_P.
1656 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1658 PR tree-optimization/29581
1659 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1660 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1661 type is different between Y and USE, create a temporary
1662 variable, initialize it at the beginning of the body bb
1663 and use it as replacement instead of Y.
1665 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1668 * gimplify.c (fold_indirect_ref_rhs): Use
1669 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1671 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1673 * expmed.c (emit_store_flag_1): New function.
1674 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1676 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1677 Use do_compare_rtx_and_jump.
1678 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1679 * arm.md (cstoresi4): New define_expand.
1680 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1681 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1682 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1684 2006-11-14 Caroline Tice <ctice@apple.com>
1686 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1687 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1689 (pubname_table): Redefine as a vector.
1690 (pubtype_table): New static global variable, defined as a vector.
1691 (pubname_table_allocated): Remove static global variable.
1692 (pubname_table_in_use): Remove static global variable.
1693 (PUBNAME_TABLE_INCREMENT): Remove constant.
1694 (size_of_pubnames): Add parameter to deal with either pubnames or
1695 pubtypes, and change code to deal with table being a vector.
1696 (add_pubname): Change to deal with table being a vector.
1697 (add_pubtype): New function.
1698 (output_pubnames): Add parameter to deal with either pubnames or
1699 pubtypes, and change code to deal with table being a vector.
1700 (gen_array_type_die): Add call to add_pubtype.
1701 (gen_enumeration_type_die): Add call to add_pubtype.
1702 (gen_struct_or_union_type_die): Add call to add_pubtype.
1703 (gen_subroutine_type_die): Add call to add_pubtype.
1704 (gen_typedef_die): Add call to add_pubtype.
1705 (dwarf2out_init): Add code to initialize pubname_table and
1706 pubtype_table vectors; also initialize debug_pubtypes_section.
1707 (prune_unused_types): Change to deal with pubnames being a vector.
1708 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1709 pubnames table to call to output_pubnames; Add code to output pubtypes
1710 table if DEBUG_PUBTYPES_SECTION is defined.
1711 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1713 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1715 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1717 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1718 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1719 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1720 movv2si_internal): Support moves between core registers.
1722 2006-11-14 Eric Christopher <echristo@apple.com>
1724 * configure: Regenerate with autoconf 2.59.
1726 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1728 Fix PR tree-optimization/27755
1730 * tree-ssa-pre.c: Update comments.
1731 (bb_bitmap_sets): Add pa_in and deferred member.
1732 (BB_DEFERRED): New macro.
1733 (maximal_set): New variable.
1734 (pre_stats): Add pa_insert member.
1735 (bitmap_set_and): Short circuit orig == dest.
1736 (bitmap_set_subtract_values): New function.
1737 (bitmap_set_contains_expr): Ditto.
1738 (translate_vuses_through_block): Add phiblock argument.
1739 (dependent_clean): New function.
1740 (compute_antic_aux): Update for maximal_set changes.
1741 (compute_partial_antic_aux): New function.
1742 (compute_antic): Handle partial anticipation.
1743 (do_partial_partial_insertion): New function.
1744 (insert_aux): Handle partial anticipation.
1745 (add_to_sets): Add to maximal set.
1746 (compute_avail): Ditto.
1747 (init_pre): Initialize maximal_set.
1748 (execute_pre): Do partial anticipation if -O3+.
1750 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1752 PR rtl-optimization/29798
1754 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1755 TARGET_INSN before any other check.
1756 (fwprop_init): Always calculate dominators.
1757 (fwprop_done): Always free them.
1759 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1761 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1764 2006-11-13 DJ Delorie <dj@redhat.com>
1766 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1767 temporary for intermediates.
1769 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1771 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1772 (sh_optimize_target_register_callee_saved): #if 0 the code
1773 using NOTE_INSN_LOOP_{BEG,END}.
1775 2006-11-13 Roger Sayle <roger@eyesopen.com>
1777 * fold-const.c (optimize_bit_field_compare): Recursively call
1778 fold when simplifying non-constant comparisons between bit-fields.
1780 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1782 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1784 * configure: Rebuilt.
1786 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1788 * config/rs6000/cell.md: New file.
1789 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1791 (ppccell_cost): New cost matrix.
1792 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1793 (rs6000_override_options): Set rs6000_always_hint to false
1794 for cell. Also align functions/lables/loops to 8byte
1795 for the Cell. Use PROCESSOR_CELL.
1796 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1797 using_mtcr_multiple.
1798 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1799 on the Cell, return 0.
1800 (rs6000_adjust_cost): Add Cell cost adjustments.
1801 (is_microcoded_insn): Return true for Cell microcoded
1803 (is_nonpipeline_insn): New function.
1804 (rs6000_issue_rate): Add PROCESSOR_CELL.
1805 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1807 (rs6000_use_sched_lookahead_guard): New function.
1808 (rs6000_sched_reorder): Reorder the ready list, if the second
1809 to last ready insn is a nonepipeline insn on the Cell.
1810 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1811 (ASM_CPU_SPEC): Add Cell.
1812 * config/rs6000/rs6000.md (cpu): Add Cell.
1813 (cell_micro): New Attr.
1816 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1818 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1820 * configure: Rebuilt.
1822 2006-11-13 Richard Guenther <rguenther@suse.de>
1824 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1826 (ix86_expand_lfloorceil): Likewise.
1827 (ix86_expand_rint): Likewise.
1828 (ix86_expand_floorceildf_32): Likewise.
1829 (ix86_expand_floorceil): Likewise.
1830 (ix86_expand_rounddf_32): Likewise.
1831 (ix86_expand_truncdf_32): Likewise.
1832 (ix86_expand_round): Likewise.
1834 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1835 Mark Mitchell <mark@codesourcery.com>
1837 * gcc.c: Organize search path variables into $prefix relative,
1838 and well-known native. Add comments.
1839 (add_sysrooted_prefix): Add comment.
1840 (process_command): If !gcc_exec_prefix add $prefix based paths.
1841 If *cross_compile == '0', add native well-known paths.
1842 Assert tooldir_base_prefix is always relative.
1843 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1844 use this value for 'install:' path.
1845 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1847 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1849 * config/i386/i386.c: Fix a typo in comment.
1851 2006-11-13 Michael Matz <matz@suse.de>
1853 * genemit.c (gen_expand): Allocate enough memory.
1855 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1857 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1858 __GXX_TYPEINFO_EQUALITY_INLINE but not
1859 __GXX_MERGED_TYPEINFO_NAMES.
1860 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1861 __GXX_MERGED_TYPEINFO_NAMES.
1862 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1863 __GXX_TYPEINFO_EQUALITY_INLINE.
1865 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1866 Zdenek Dvorak <dvorakz@suse.cz>
1868 PR tree-optimization/29680
1869 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1872 2006-11-12 Jason Merrill <jason@redhat.com>
1873 Andrew Pinski <pinskia@physics.uc.edu>
1876 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1878 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1880 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1881 * tree.c (build_vector): Handle non-_CST elements.
1883 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1885 * genemit.c (gen_insn): Call gen_exp with a non-null used
1886 when handling multiple insns.
1887 (gen_expand): Likewise.
1888 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1889 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1890 (movsi_const_16bit+1): Copy operands[1].
1891 (call_pcrel): Copy the call_site pattern.
1892 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1894 2006-11-12 Roger Sayle <roger@eyesopen.com>
1896 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1897 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1898 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1899 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1901 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1903 Fix PR tree-optimization/29587
1904 * tree-ssa-structalias.c (process_constraint): Don't
1905 mark address taken due only to escaped vars constraint.
1907 2006-11-12 Michael Matz <matz@suse.de>
1908 Roger Sayle <roger@eyesopen.com>
1910 PR rtl-optimization/29797
1911 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1912 BITS_BIG_ENDIAN targets.
1914 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1916 * builtins.c (fold_builtin_cosh): New.
1917 (fold_builtin_1): Use it.
1918 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1919 trunc to the list of "odd" functions. Also add llrint, lrint,
1920 rint and nearbyint when flag_rounding_math is false.
1922 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1924 * tree-flow.h (name_mappings_registered_p): Declare.
1925 * tree-into-ssa.c (name_mappings_registered_p): New function.
1926 * tree-cfg.c (tree_can_merge_blocks_p): Check
1927 name_mappings_registered_p instead of need_ssa_update_p.
1929 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1931 * tree-ssa-loop.c (tree_vectorize): Return the result of
1933 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1934 if anything changed.
1935 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1936 * tree-flow.h (vectorize_loops): Declaration changed.
1938 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1940 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1942 (issue_prefetch_ref): Move assignment to write_p out of loop.
1943 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1944 SIMULTANEOUS_PREFETCHES into account.
1945 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1946 * lambda-code.c (lcm): Renamed to ...
1947 (least_common_multiple): ... and exported.
1948 * tree-flow.h (least_common_multiple): Declare.
1950 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1952 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1953 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1954 ud-chains. Handle AND_EXPR.
1955 (record_estimate): Record whether the estimate is realistic
1956 and whether it is derived from a loop exit.
1957 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1958 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1960 (compute_estimated_nb_iterations): Take only realistic bounds into
1961 account. Set estimate_state. Use double_ints.
1962 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1963 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1964 that do not have to be always executed.
1965 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1966 to determine whether to call infer_loop_bounds_from_undefined
1967 and compute_estimated_nb_iterations.
1968 (n_of_executions_at_most): Use double_ints.
1969 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1970 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1971 * double-int.c (double_int_to_tree): Improve comment.
1972 (double_int_fits_to_tree_p): New function.
1973 * double-int.h (double_int_fits_to_tree_p): Declare.
1974 * tree-data-ref.c: Include langhooks.h.
1975 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1976 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1977 (analyze_array): Do not pass estimate_only argument to
1978 analyze_array_indexes.
1979 (get_number_of_iters_for_loop): Build tree from the stored double_int
1981 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1982 (find_data_references_in_loop): Use find_data_references_in_stmt.
1983 * tree-data-ref.h (struct data_ref_loc_d): New.
1984 (get_references_in_stmt): Declare.
1985 (estimate_iters_using_array): Declaration removed.
1986 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1987 double_int. Improve comments. Add is_exit and realistic
1989 (struct loop): Changed type of estimated_nb_iterations to double_int.
1990 Added estimate_state field.
1991 (record_estimate): Declaration removed.
1993 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1995 * params.c (set_param_value): Initialize the "set" field.
1996 * params.h (struct param_info): Add "set" field.
1997 (PARAM_SET_P): New macro.
1998 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1999 L1_CACHE_LINE_SIZE): New macros.
2000 * toplev.c (DEFPARAM): Initialize the "set" field.
2001 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2002 SIMULTANEOUS_PREFETCHES): Removed.
2003 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2004 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2005 * config/sparc/sparc.c: Include params.h.
2006 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2007 L1_CACHE_LINE_SIZE parameters.
2008 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2010 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2012 * config/i386/i386.c: Include params.h.
2013 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2014 (override_options): Set SIMULTANEOUS_PREFETCHES and
2015 L1_CACHE_LINE_SIZE parameters.
2016 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2017 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2018 L1_CACHE_LINE_SIZE parameters.
2019 * config/ia64/ia64.c (ia64_optimization_options): Set
2020 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2021 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2023 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2024 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2025 * doc/invoke.texi: Document new params.
2027 2006-11-12 Roger Sayle <roger@eyesopen.com>
2029 PR tree-optimization/13827
2030 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2033 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2035 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2036 update_single_exit_for_duplicated_loops): New functions.
2037 (duplicate_loop_to_header_edge): Use
2038 update_single_exit_for_duplicated_loops.
2039 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2040 functions only with ENABLE_CHECKING.
2042 2006-11-12 Andreas Schwab <schwab@suse.de>
2044 * except.c (sjlj_emit_function_enter): Remove unused variable.
2046 2006-11-11 Roger Sayle <roger@eyesopen.com>
2048 * fold-const.c (int_binop_types_match_p): New function.
2049 (size_binop): Relax constraint that both arguments must both have
2050 exactly the same sizetype type. Instead use int_binop_types_match_p.
2051 (size_diffop): Likewise.
2053 (make_range): Use build_int_cst instead of fold_convert.
2054 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2055 integer constants of the correct type.
2056 (fold_div_compare): Likewise.
2057 (fold_single_bit_test): Likewise.
2058 (fold_binary): Likewise.
2059 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2060 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2062 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2065 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2066 non null value if the struct memory access is in the 0th
2069 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2072 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2073 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2076 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2077 instead of builtin_define for bfin and BFIN.
2079 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2081 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2084 2006-11-11 Jan Hubicka <jh@suse.cz>
2086 * extend.texi (__builtin_expect): We no longer require second argument
2088 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2089 * builtins.c (expand_builtin_expect): Simplify.
2090 (expand_builtin_expect_jump): Kill.
2091 * final.c (final_scan_insn): Do not skip the removed notes.
2092 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2093 EXPECTED_VALUE): Remove.
2094 * dojump.c (do_jump): Do not care about __builtin_expect.
2095 * predict.c (expected_value_to_br_prob): Kill.
2096 * function.c (expand_function_end): Do not expand
2097 NOTE_INSN_REPEATED_LINE_NUMBER.
2098 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2099 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2100 * cfgexpand.c (add_reg_br_prob_note): Export.
2101 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2102 expected_value_to_br_prob.
2103 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2104 * rtl.h (add_reg_br_prob_note): Declare.
2106 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2110 2006-11-11 Jan Hubicka <jh@suse.cz>
2112 * predict.c (predict_loops): Kill RTL variant.
2114 2006-11-11 Jan Hubicka <jh@suse.cz>
2116 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2117 * modulo-sched.c (find_line_note): Remove.
2118 (loop_canon_p): Do not worry about line number notes.
2119 (sms_schedule): Likewise.
2120 * cse.c (cse_main): Likewise.
2121 * regmove.c (fixup_match_1): Likewise
2122 * function.c (emit_return_info_block): Likewise.
2123 (expand_function_end): Likewise.
2124 (thread_prologue_an_epilogue_insns): Likewise.
2125 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2127 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2128 emit_note_copy_after): Kill.
2129 (emit_note_copy): Do not worry about line numbers.
2130 * jump.c (purge_line_number_notes): Kill.
2131 (pass_purge_lineno_notes): Kill.
2132 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2134 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2135 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2136 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2137 * tree-pass.h (pass_purge_lineno_notes): Kill.
2138 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2139 rm_redundant_line_notes.
2140 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2141 rm_redundant_line_notes.
2142 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2143 * haifa-sched.c: Update comment about handling notes.
2144 (unlink_line_notes): Kill.
2145 (rm_line_notes): Kill.
2146 (save_line_notes): Simplify.
2147 (rm_redundant_line_notes): Kill.
2149 2006-11-11 Richard Guenther <rguenther@suse.de>
2151 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2152 Remove unused tree codes.
2153 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2154 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2155 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2156 * tree.c (stabilize_reference): Likewise.
2157 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2158 fold_unary): Likewise.
2159 * tree-gimple.c (is_gimple_cast): Likewise.
2160 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2161 * expr.c (expand_expr_real_1): Likewise.
2162 * tree-eh.c (tree_could_trap_p): Likewise.
2163 * gimplify.c (gimplify_expr): Likewise.
2164 * tree-inline.c (estimate_num_insns_1): Likewise.
2165 * tree-cfg.c (verify_expr): Likewise.
2167 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2169 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2170 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2171 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2173 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2176 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2177 constraints accept neither registers or memories.
2179 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2181 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2182 (NO_PROFILE_COUNTERS): Define as 1.
2184 2006-11-10 Roger Sayle <roger@eyesopen.com>
2186 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2187 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2189 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2191 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2193 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2195 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2196 (fold_builtin_hypot): Likewise.
2197 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2199 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2201 2006-11-10 Roger Sayle <roger@eyesopen.com>
2203 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2204 when attempting to build INTEGER_CSTs of non-integral types.
2205 * expmed.c (make_tree): Use the correct type, i.e. the inner
2206 type, when constructing the individual elements of a CONST_VECTOR.
2208 2006-11-10 Jan Hubicka <jh@suse.cz>
2210 * cse.c (cse_process_notes): Copy the propagated value.
2211 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2213 * gcse.c (try_replace_reg): Copy the replacement.
2214 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2215 (assign_386_stack_local): Always return copied memory expression
2216 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2219 2006-11-10 Jan Hubicka <jh@suse.cz>
2221 * final.c (final): Walk from first instruction.
2222 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2224 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2227 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2229 (umulv8hi3_highpart): Ditto.
2230 (vec_widen_smult_hi_v8hi): New expander.
2231 (vec_widen_smult_lo_v8hi): Ditto.
2233 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2236 * builtins.c (do_mpfr_arg3): New.
2237 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2239 2006-11-09 Eric Christopher <echristo@apple.com>
2244 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2245 * config.gcc (powerpc64-*-darwin*): New target.
2246 * config.host: Ditto.
2247 * config/rs6000/darwin64.h: New file.
2248 * config/rs6000/x-darwin64: Ditto.
2249 * config/rs6000/host-ppc64-darwin.c: Ditto.
2251 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2253 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2254 routines for integer division.
2256 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2258 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2260 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2263 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2265 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2267 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2268 simplify_subreg with BLKmode outer mode.
2270 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2272 * doc/invoke.texi: Minor formatting fixes in option lists.
2274 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2276 PR tree-optimization/29738
2277 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2278 (ccp_lattice_t): Remove UNKNOWN_VAL.
2279 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2280 Do not handle UNKNOWN_VAL.
2281 (get_default_value): Set initial value of virtual operands to
2283 (get_value): Always use get_default_value on uninitialized
2285 (set_value_varying, surely_varying_stmt_p): New functions.
2286 (set_lattice_value): Do not pass argument to get_value.
2287 Do not handle UNKNOWN_VAL.
2288 (likely_value): Follow the semantics described in the comment.
2289 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2290 phi nodes DONT_SIMULATE_AGAIN.
2291 (ccp_fold): Do not pass argument to get_value.
2292 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2295 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2297 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2298 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2300 2006-11-08 Roger Sayle <roger@eyesopen.com>
2302 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2303 test for inclusion rather than as a test for exclusion.
2304 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2305 the condition after calling fold_binary.
2306 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2307 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2308 * builtins.c (fold_builtin_isascii): Likewise.
2309 (fold_builtin_isdigit): Likewise.
2311 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2313 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2314 * configure: Regenerate.
2316 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2318 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2319 enum argument instead of bool.
2320 (vect_analyze_operations): Call vectorizable_type_promotion.
2321 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2322 stmt_vec_info_type value.
2323 (supportable_widening_operation, vectorizable_type_promotion): New
2324 function declarations.
2325 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2326 (vectorizable_type_promotion): New function.
2327 (vect_transform_stmt): Call vectorizable_type_promotion.
2328 * tree-vect-analyze.c (supportable_widening_operation): New function.
2329 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2331 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2334 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2335 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2336 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2338 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2339 * expr.c (expand_expr_real_1): Likewise.
2340 * optabs.c (optab_for_tree_code): Likewise.
2341 (init_optabs): Initialize new optabs.
2342 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2343 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2344 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2345 vec_unpacku_lo_optab): Initialize new optabs.
2346 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2347 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2348 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2350 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2351 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2352 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2353 (vec_unpacku_lo_optab): New optabs.
2354 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2355 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2356 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2357 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2358 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2359 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2361 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2362 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2363 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2364 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2365 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2366 implement the unsigned unpacking patterns.
2367 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2368 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2369 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2370 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2371 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2372 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2373 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2374 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2375 multiplication patterns.
2377 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2378 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2379 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2380 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2381 (rs6000_builtin_mul_widen_odd): New.
2382 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2383 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2384 * tree-vectorizer.h (enum vect_relevant): New enum type.
2385 (_stmt_vec_info): Field relevant chaned from bool to enum
2387 (STMT_VINFO_RELEVANT_P): Updated.
2388 (STMT_VINFO_RELEVANT): New.
2389 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2390 instead of STMT_VINFO_RELEVANT_P.
2391 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2392 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2393 and boolean variable with enum vect_relevant.
2394 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2395 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2396 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2398 2006-11-08 Richard Henderson <rth@redhat.com>
2400 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2401 vec_widen_umult_lo_v8hi): New.
2402 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2403 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2405 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2406 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2407 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2408 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2409 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2410 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2411 vec_unpacks_lo_v4si): New.
2413 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2415 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2416 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2417 (vect_analyze_operations): Call vectorizable_type_demotion.
2418 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2419 stmt_vec_info_type value.
2420 (vectorizable_type_demotion): New function declaration.
2421 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2424 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2425 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2427 * tree-iniline.c (estimate_num_insns_1): Likewise.
2428 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2429 * optabs.c (optab_for_tree_code): Likewise.
2431 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2432 compared against the predicate of the result is not 'mode' (the input
2433 to the function) but a mode with half the size of 'mode'.
2434 (init_optab): Initialize new optabs.
2435 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2437 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2439 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2440 (vec_pack_usat_optab): Initialize new optabs.
2441 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2442 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2444 2006-11-08 Richard Henderson <rth@redehat.com>
2446 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2447 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2448 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2449 (vec_interleave_highv4si, vec_interleave_lowv4si):
2450 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2452 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2454 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2456 (vect_transform_stmt): Removed redundant code.
2458 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2460 * tree-vect-transform.c (vectorizable_operation): Support multiple
2463 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2465 * tree-vect-transform.c (vect_align_data_ref): Removed.
2466 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2467 Updated function documentation. Return the increment stmt in ptr_incr.
2468 (bump_vector_ptr): New function.
2469 (vect_get_vec_def_for_stmt_copy): New function.
2470 (vect_finish_stmt_generation): Create a stmt_info to newly created
2472 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2474 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2475 VF is greater than the number of elements that can fit in one vector
2477 (vectorizable_operation, vectorizable_condition): Likewise.
2478 (vectorizable_store, vectorizable_load): Support the case that the VF
2479 is greater than the number of elements that can fit in one vector word.
2480 (vect_transform_loop): Don't fail in case of multiple data-types.
2481 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2482 in case of multiple data-types; the smallest type determines the VF.
2483 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2484 if they are of different sizes.
2485 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2486 number of elements rather than number of bytes.
2487 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2488 (vect_can_advance_ivs_p): Fix a dump printout
2490 2006-11-07 Eric Christopher <echristo@apple.com>
2492 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2493 (__bswapsi2): Ditto.
2494 * libgcc2.h: Remove transformation of bswap routines.
2495 * config/i386/i386.md (bswapsi2): New.
2498 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2500 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2501 (handle_gnu_inline_attribute): New function.
2502 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2503 (merge_decls, start_decl, start_function): Likewise.
2504 * doc/extend.texi: Document gnu_inline attribute.
2506 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2509 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2510 _fixunstfdi, and _floatditf
2512 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2514 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2516 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2517 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2518 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2519 which start in an odd register.
2521 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2523 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2525 2006-11-07 Josh Conner <jconner@apple.com>
2527 * doc/invoke.texi (fstrict-aliasing): Move implementation
2529 * doc/tree-ssa.texi (Alias analysis): ...here.
2531 2006-11-07 Richard Guenther <rguenther@suse.de>
2533 PR tree-optimization/29610
2534 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2535 of tree_purge_dead_eh_edges as it may free dominators.
2537 * g++.dg/other/pr29610.C: New testcase.
2539 2006-11-07 David Ung <davidu@mips.com>
2541 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2542 costs when optimizing for size.
2543 (override_options): Use mips_rtx_cost_optimize_size table for cost
2546 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2548 * gcc.c (process_command): Treat -b as normal switch if its argument
2551 2006-11-07 David Ung <davidu@mips.com>
2553 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2556 2006-11-06 Eric Christopher <echristo@apple.com>
2558 * config.gcc: Add x86_64-darwin host support.
2559 * config.host: Ditto.
2560 * config/i386/darwin64.h: New file.
2561 * config/i386/t-darwin64: Ditto.
2563 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2565 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2566 and output-exists-not.
2568 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2571 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2572 checking for overflow.
2574 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2576 * configure.ac: Fixed typo in case statement: :: changed to ;;
2578 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2580 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2581 count_leading_zeros, and count_trailing_zeros.
2582 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2583 (TARGET_FOLD_BUILTIN): Define.
2584 (TARGET_EXPAND_BUILTIN): Define.
2585 (xtensa_init_builtins): New.
2586 (xtensa_fold_builtin): New.
2587 (xtensa_expand_builtin): New.
2588 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2589 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2590 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2591 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2592 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2593 (any_extend): New code macro.
2594 (u, su): New code attributes.
2595 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2596 (nsau): Remove; replaced by clzsi2.
2597 (ffssi2): Use clzsi2.
2598 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2599 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2600 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2601 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2602 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2604 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2606 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2608 * config/arm/t-strongarm-elf: Likewise.
2609 * config/arm/t-pe: Likewise.
2610 * config/arm/t-arm-elf: Likewise.
2611 * config/arm/t-xscale-elf: Likewise.
2612 * config/arm/t-arm-coff: Likewise.
2613 * config/arm/t-xscale-coff: Likewise.
2614 * config/arm/t-wince-pe: Likewise.
2616 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2618 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2621 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2624 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2627 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2630 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2631 as a valid 80387 constant.
2632 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2633 * config/i386/i386.md (unnamed splitter): Split the load of
2634 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2637 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2639 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2640 from the soft-frame, argument and virtual registers.
2642 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2644 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2645 patterns for standard 80387 constants.
2647 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2648 Steven Bosscher <steven@gcc.gnu.org>
2650 * fwprop.c: New file.
2651 * Makefile.in: Add fwprop.o.
2652 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2653 * passes.c (init_optimization_passes): Schedule forward propagation.
2654 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2656 * timevar.def (TV_FWPROP): New.
2657 * common.opt (-fforward-propagate): New.
2658 * opts.c (decode_options): Enable forward propagation at -O2.
2659 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2660 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2661 canon_for_address, table_size): Remove.
2662 (new_basic_block, insert, remove_from_table): Remove references to
2664 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2665 simplification loop more straightforward by not calling fold_rtx
2667 (equiv_constant): Move here a small part of fold_rtx_subreg,
2668 do not call fold_rtx. Call avoid_constant_pool_reference
2670 * recog.h (canonicalize_change_group): New.
2672 * doc/invoke.texi (Optimization Options): Document fwprop.
2673 * doc/passes.texi (RTL passes): Document fwprop.
2675 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2677 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2678 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2679 (grokdeclarator): Likewise.
2681 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2683 * tree-dump.c (dump_enable_all): Rename local variable
2684 ir_type to avoid name conflicts.
2685 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2686 instead of using ir_type().
2687 * profile.c (tree_register_profile_hooks): Likewise.
2688 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2689 * basic-block.h (struct edge_def): Likewise.
2690 * config/arm/arm.c (legitimize_pic_address): Likewise.
2691 * coretypes.h (ir_type): New enum of all intermediate languages
2693 * cfghooks.c (ir_type): Rename to...
2694 (current_ir_type): ...this. Distinguish between cfgrtl and
2695 cfglayout mode when the current IR is RTL. Return enum ir_type.
2696 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2698 2006-11-03 Paul Brook <paul@codesourcery.com>
2700 * config/arm/arm.c (arm_file_start): New function.
2701 (TARGET_ASM_FILE_START): Define.
2702 (arm_default_cpu): New variable.
2703 (arm_override_options): Set arm_default_cpu.
2705 2006-11-03 David Ung <davidu@mips.com>
2707 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2708 PROCESSOR_24KC and PROCESSOR_24KF.
2709 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2710 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2711 (mips_rtx_cost_data): Add costs for the 24kc.
2712 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2713 * config/mips/24k.md: Remove references to 24k and replace with
2714 uses of 24kc/24kf in the appropriate reservations.
2715 * doc/invoke.texi (MIPS Options): Updated.
2717 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2719 * config/sh/crt1.asm: Fix #ifdef indent.
2721 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2722 Merged from STMicroelectronics sources:
2723 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2724 * config/sh/crt1.asm (vbr_600): Add missing #if.
2725 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2726 * sh.opt (mfused-madd): New option.
2727 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2728 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2729 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2730 Remove pointless handler at VBR+0.
2731 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2732 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2733 fr7. Make sure the timer handler is called with the correct FPU
2734 precision setting, according to the ABI.
2735 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2736 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2737 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2738 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2739 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2740 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2741 zero as second operand.
2742 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2743 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2744 Fixed some bugs related to negative values, in particular -0
2745 and overflow at -0x80000000.
2746 * config/sh/divcost-analysis: Added sh4-300 figures.
2747 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2748 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2749 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2750 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2751 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2752 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2754 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2756 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2757 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2758 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2759 mac_mem, mem_mac, dfp_mul, fp_cmp.
2760 (insn_class, dfp_comp, any_fp_comp): Update.
2761 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2762 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2763 (muldf3_i): Likewise.
2764 (movsi_i): Split rI08 alternative into two separate alternatives.
2766 (movsi_ie, movsi_i_lowpart): Likewise.
2767 (movqi_i): Split ri alternative into two separate alternatives.
2769 * sh1.md (sh1_load_store, sh1_fp): Update.
2770 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2771 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2772 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2773 (sh4a_fp_double_arith): Likewise.
2774 * sh4-300.md: New file.
2775 * sh.c (sh_handle_option): Handle m4-300* options.
2776 (sh_adjust_cost): Fix latency of auto-increments.
2777 Handle SH4-300 differently than other SH4s. Check for new insn types.
2778 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2779 been set by an option.
2780 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2781 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2782 (mbranch-cost=): Likewise.
2783 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2785 * sh.md (mulsf3): Remove special expansion code.
2786 (mulsf3_ie): Now a define_insn_and_split.
2787 (macsf3): Allow for TARGET_SH4.
2789 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2790 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2791 (expand_cbranchdi4): Likewise.
2792 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2793 CONST_DOUBLE if the outer code is COMPARE.
2794 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2795 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2796 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2797 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2798 Remove redundant fp_{zero,one}_operand checks.
2799 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2800 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2801 (expand_cbranchdi4): Likewise.
2802 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2803 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2805 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2807 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2810 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2812 * doc/invoke.texi: Fix mfp-trap-mode typo.
2814 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2816 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2817 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2818 file_end_indicate_exec_stack.
2819 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2821 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2822 for a non-executable stack.
2823 * crti.asm: Likewise.
2824 * crtn.asm: Likewise.
2825 * libunwind.S: Likewise.
2827 2006-11-02 Ben Elliston <bje@au.ibm.com>
2829 * tree-ssa.c (warn_uninit): Use expand_location variables for
2830 locus and declaration locus.
2832 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2835 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2836 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2837 cmp{eq,gt,gtu}{si,di}_media.
2838 (*cmpne0si_media): Remove.
2839 (*movsicc_umin): Adjust gen_cmp*_media call.
2840 (unordered): Change the mode of unordered and operands[1] to
2842 (seq): Adjust gen_cmp*_media calls. Make the mode of
2843 a temporary result of compare SImode if needed. If the mode
2844 of operands[0] is DImode, extend the temporary result to DImode.
2845 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2846 (sunorderd): Change the mode of match_operand and unorderd to
2848 (cmpeq{sf,df}_media): Remove.
2849 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2850 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2851 and compare operation to SImode.
2853 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2855 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2857 (sparc64-sun-solaris2*): Likewise.
2859 2006-11-02 Paul Brook <paul@codesourcery.com>
2861 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2862 from priority argument. Use different section for non-default
2864 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2866 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2869 * except.c (switch_to_exception_section): Do not cache the section
2870 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2871 and flag_function_sections is set.
2873 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2876 * builtins.c (do_mpfr_sincos): New.
2877 (fold_builtin_1): Use it to fold builtin sincos.
2879 2006-11-01 Roger Sayle <roger@eyesopen.com>
2881 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2882 it into -D_REENTRANT.
2884 2006-11-01 Roger Sayle <roger@eyesopen.com>
2886 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2887 whether the assembler supports taking the difference of symbols in
2888 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2889 * configure: Regenerate.
2890 * config.in: Regenerate.
2891 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2892 the assembler doesn't support taking the difference of symbols in
2893 different sections, i.e. we're using the native solaris assembler.
2895 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2896 Peter Bergner <bergner@vnet.ibm.com>
2898 * doc/invoke.texi: Add cpu_type power6x
2899 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2900 * config.gcc: Add cpu_type power6x.
2901 * configure.ac: Add test for mf{t,f}gpr instructions.
2902 (HAVE_AS_MFPGPR): New.
2903 * config.in: Regenerate.
2904 * configure: Regenerate.
2905 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2906 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2907 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2908 and mftgpr attributes.
2909 (define_attr "cpu"): Add power6.
2910 Change instruction sequences to use new attributes.
2911 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2912 (fix_truncdfsi2_mfpgpr): New.
2913 (floatsidf_ppc64_mfpgpr): New.
2914 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2915 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2916 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2917 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2918 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2919 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2920 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2921 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2922 cntlz,exts and var_delayed_compare.
2923 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2924 _ARCH_PWR6X, if features enabled.
2925 * config/rs6000/rs6000.opt (mmfpgpr): New.
2926 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2927 (cached_can_issue_more): New variable.
2928 (processor_costs): Add power6_cost.
2929 (rs6000_sched_init): New function.
2930 (is_dispatch_slot_restricted): Deleted.
2931 (set_to_load_agen): New function.
2932 (is_load_insn,is_store_insn): New functions.
2933 (adjacent_mem_locations): New function.
2934 (insn_must_be_first_in_group): New function.
2935 (insn_must_be_last_in_group): New function.
2936 (rs6000_sched_reorder): New function.
2937 (rs6000_sched_reorder2): New function.
2938 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2939 TARGET_SCHED_REORDER2): Define.
2940 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2941 Add power6x. Add MASK_MFPGPR for power6x.
2942 (POWERPC_MASKS): Add MASK_MFPGPR.
2943 (rs6000_override_options): Set rs6000_always_hint to false
2944 for power6. Set rs6000_align_branch_targets. Replace
2945 rs6000_sched_groups check with rs6000_align_branch_targets.
2946 Use PROCESSOR_POWER6.
2947 (last_scheduled_insn): New variable.
2948 (load_store_pendulum): New variable.
2949 (rs6000_variable_issue): Set last_scheduled_insn and
2950 cached_can_issue_more.
2951 (rs6000_adjust_cost): Add power6 cost adjustments.
2952 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2953 with insn_must_be_first_in_group. Add power6 priority adjustments.
2954 (rs6000_issue_rate): Add CPU_POWER6.
2955 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2956 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2957 (TARGET_MFPGPR): New.
2958 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2959 (ASM_CPU_SPEC): Add power6x.
2960 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2962 * config/rs6000/power6.md: New file.
2964 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2966 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2967 HOST_WIDE_INT_PRINT to print high and low parts. Use
2968 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2969 printing a hexadecimal number prefix it with 0x.
2971 2006-11-01 Chris Johns <chris@contemporary.net.au>
2974 * Makefile.in (install-driver): Use exeext when installing
2975 $target-gcc-$version.
2977 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2979 * c-common.c (flag_cpp0x): New.
2980 * c-common.h (flag_cpp0x): New.
2981 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2982 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2983 * c-opts.c (set_std_cxx0x): New.
2984 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2985 * c.opt (std=c++0x): Document.
2986 (std=gnu++0x): Ditto.
2987 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2988 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2990 2006-11-01 Richard Guenther <rguenther@suse.de>
2992 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2994 (ix86_expand_floorceildf_32): Likewise.
2995 (ix86_expand_floorceil): Likewise.
2996 (ix86_expand_trunc): Likewise.
2998 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3000 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3003 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3005 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3007 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3009 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3011 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3012 * configure.ac (use_cxa_atexit): As a special case, don't test
3013 for libc definition of __cxa_atexit on mingw32
3014 * configure: Regenerate.
3015 * config.gcc (i[34567]86-pc-mingw32): Default to
3016 enable__cxa_atexit=yes.
3018 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3020 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3022 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3025 * c-decl.c (start_struct): Don't create self-containing
3027 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3029 * config/rs6000/rs6000-protos.h
3030 (darwin_rs6000_special_round_type_align): New.
3031 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3032 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3034 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3036 * toplev.c (compile_file): Call final_write_globals
3037 even if there have been errors.
3039 2006-10-31 Eric Christopher <echristo@apple.com>
3040 Falk Hueffner <falk@debian.org>
3042 * doc/extend.texi (__builtin_bswap32): Document.
3043 (__builtin_bswap64): Ditto.
3044 * doc/libgcc.texi (bswapsi2): Document.
3046 * doc/rtl.texi (bswap): Document.
3047 * optabs.c (expand_unop): Don't widen a bswap.
3048 (init_optabs): Init bswap. Set libfuncs explicitly
3049 for bswapsi2 and bswapdi2.
3050 * optabs.h (OTI_bswap): New.
3051 (bswap_optab): Ditto.
3052 * genopinit.c (optabs): Handle bswap_optab.
3053 * tree.h (tree_index): Add TI_UINT32_TYPE and
3055 (uint32_type_node): New.
3056 (uint64_type_node): Ditto.
3057 * tree.c (build_common_tree_nodes_2): Initialize
3058 uint32_type_node and uint64_type_node.
3059 * builtins.c (expand_builtin_bswap): New.
3060 (expand_builtin): Call.
3061 (fold_builtin_bswap): New.
3062 (fold_builtin_1): Call.
3063 * fold-const.c (tree_expr_nonnegative_p): Return true
3065 * builtin-types.def (BT_UINT32): New.
3067 (BT_FN_UINT32_UINT32): Ditto.
3068 (BT_FN_UINT64_UINT64): Ditto.
3069 * builtins.def (BUILT_IN_BSWAP32): New.
3070 (BUILT_IN_BSWAP64): Ditto.
3071 * rtl.def (BSWAP): New.
3072 * genattrtab.c (check_attr_value): New.
3073 * libgcc2.c (__bswapSI2): New.
3074 (__bswapDI2): Ditto.
3075 * libgcc2.h (__bswapSI2): Declare.
3076 (__bswapDI2): Ditto.
3077 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3078 * simplify-rtx.c (simplify_const_unary_operation): Return
3080 * libgcc-std.ver (__bwapsi2): Add.
3081 (__bswapdi2): Ditto.
3082 * reload1.c (eliminate_regs_1): Add bswap.
3083 (elimination_effects): Ditto.
3084 * config/i386/i386.h (x86_bswap): New.
3085 (TARGET_BSWAP): Use.
3086 * config/i386/i386.c (x86_bswap): Set.
3088 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3090 * coverage.c (coverage_checksum_string): Update comment.
3091 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3092 of get_file_function_name.
3093 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3094 of get_file_function_name_long.
3095 * tree.c (get_file_function_name): Rename from
3096 get_file_function_name_long; improve comment; handle 'I' and 'D'
3097 specially when the target has ctor/dtor support; remove special
3099 (get_file_function_name): Remove.
3100 * tree.h (get_file_function_name): Rename from
3101 get_file_function_name_long.
3102 (get_file_function_name): Remove prototype.
3104 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3106 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3107 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3109 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3110 Call dsymutil when compiling and linking one or more source files
3113 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3116 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3118 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3120 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3121 inline static functions in c99 mode.
3124 * doc/extend.texi (Inline): Update.
3125 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3126 * c-decl.c (current_extern_inline): Delete.
3127 (pop_scope): Adjust test for an undefined nested function.
3128 Add warning about undeclared inline function.
3129 (diagnose_mismatched_decls): Update comments. Disallow overriding
3130 of inline functions in a translation unit in C99. Allow inline
3131 declarations in C99 at any time.
3132 (merge_decls): Boolize variables. Handle C99 'extern inline'
3134 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3135 C99 inline semantics.
3136 (start_function): Don't clear current_extern_inline. Don't set
3138 (c_push_function_context): Don't push current_extern_inline.
3139 (c_pop_function_context): Don't restore current_extern_inline.
3142 * c-typeck.c (build_external_ref): Warn about static variables
3143 used in extern inline functions.
3144 * c-decl.c (start_decl): Warn about static variables declared
3145 in extern inline functions.
3147 2006-10-31 Roger Sayle <roger@eyesopen.com>
3150 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3151 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3152 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3153 or y is an even integer.
3155 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3158 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3159 * gthr-posix95.h (__gthread_active_p): Likewise.
3161 2006-10-31 Richard Guenther <rguenther@suse.de>
3163 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3164 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3165 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3166 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3167 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3168 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3169 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3170 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3173 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3175 * opts.c (decode_options): Disable CSE skip blocks.
3177 2006-10-30 Dirk Mueller <dmueller@suse.de>
3179 * c-common.h (strict_aliasing_warning): Fix whitespace.
3180 * c-decl (start_function): Move code for main decl warning ..
3181 * c-common.c (check_main_parameter_types): .. here.
3182 * c-common.h (check_main_parameter_types): Declare.
3184 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3187 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3189 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3191 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3192 be a PARALLEL containing sets. Return false when out_pat is not
3195 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3197 * config/mips/mips.md (mul<mode>3): Split into...
3198 (mulsi3, muldi3): ...these separate patterns.
3200 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3202 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3203 but with each set of options separated by spaces.
3205 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3207 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3208 dwarf_reg_size_table has been initialized.
3210 2006-10-30 Roger Sayle <roger@eyesopen.com>
3212 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3213 * ddg.c (print_ddg_edge): Likewise.
3214 * dwarf2out.c (prune_unused_types_walk): Likewise.
3215 * ifcvt.c (noce_try_cmove_arith): Likewise.
3216 * langhooks.c (add_builtin_function): Likewise.
3217 * reg-stack.c (subst_stack_regs_pat): Likewise.
3218 * tree.c (expanded_location): Likewise.
3219 * tree-dump.c (dequeue_and_dump): Likewise.
3221 2006-10-30 David Daney <ddaney@avtrex.com>
3223 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3225 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3227 PR tree-optimization/29637
3228 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3229 of the innertype is the innertype itself.
3231 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3233 * dwarf2out.c (file_name_acquire): Correct typo.
3235 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3237 * tree.h (tree_value_handle): Remove struct value_set declaration.
3238 Change value_set to bitmap_set.
3239 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3240 * tree-vn.c (get_value_handle): Made inline and moved to
3242 * tree-flow-inline.h: (has_stmt_ann): New function.
3243 * tree-ssa-pre.c (expressions): New variable.
3244 (next_expression_id): Ditto.
3245 (alloc_expression_id): New function.
3246 (struct value_set): Remove.
3247 (get_expression_id): New function.
3248 (get_or_alloc_expression_id): Ditto.
3249 (expression_for_id): Ditto.
3250 (clear_expression_ids): Ditto.
3251 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3252 (bb_value_sets): Renamed to bb_bitmap_sets.
3253 All value sets replaced with bitmap_sets.
3255 (BB_VISITED): New macro.
3256 (postorder): New variable.
3257 (add_to_value): Removed.
3258 (value_exists_in_set_bitmap): Ditto.
3259 (value_insert_into_set_bitmap): Ditto.
3262 (set_remove): Ditto.
3263 (set_contains_value): Ditto.
3264 (insert_into_set): Ditto.
3266 (find_leader): Ditto.
3267 (bitmap_set_subtract_from_value_set): Ditto.
3268 (value_insert_into_set): Ditto.
3269 (print_value_set): Ditto.
3270 (debug_value_set): Ditto.
3271 (constant_expr_p): New function.
3272 (bitmap_remove_from_set): Ditto.
3273 (bitmap_insert_into_set): Ditto.
3274 (bitmap_set_free): Ditto.
3275 (vh_compare): Ditto.
3276 (sorted_array_from_bitmap_set): Ditto.
3277 (bitmap_set_subtract): Ditto.
3278 (bitmap_set_equal): Ditto.
3279 (debug_bitmap_set): Ditto.
3280 (find_leader_in_sets): Ditto.
3281 (bitmap_set_replace_value): Modify for bitmapped sets.
3282 (phi_translate): Ditto.
3283 (phi_translate_set): Ditto.
3284 (bitmap_find_leader): Ditto.
3285 (valid_in_sets): Ditto.
3286 (union_contains_value): Ditto.
3288 (compute_antic_aux): Ditto. Mark changed blocks.
3289 (compute_antic): Ditto. Iterate in postorder and only over
3291 (compute_rvuse_and_antic_safe): Reuse postorder.
3292 (create_component_ref_by_pieces): Modify for bitmapped sets.
3293 (find_or_generate_expression): Ditto.
3294 (create_expression_by_pieces): Ditto.
3295 (insert_into_preds_of_block): Ditto.
3296 (changed_blocks): New variable.
3297 (do_regular_insertion): Broken out from insert_aux.
3298 (insert_aux): Modified for bitmapped sets.
3299 (find_existing_value_expr): New function.
3300 (create_value_expr_from): Use it.
3301 (insert_extra_phis): Removed.
3302 (print_bitmap_set): Renamed from bitmap_print_value_set.
3303 (compute_avail): Handle RETURN_EXPR.
3304 (init_pre): Modify for bitmapped sets.
3305 * tree-flow.h (has_stmt_ann): New function.
3307 2006-10-29 Roger Sayle <roger@eyesopen.com>
3309 * builtins.c (fold_builtin_floor): Check for the availability of
3310 the C99 trunc function before transforming floor into trunc.
3312 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3314 * builtins.c (fold_builtin_hypot): Rearrange recursive
3315 transformation before others, and also do ABS_EXPR. When
3316 necessary, check flag_unsafe_math_optimizations. When necessary,
3319 2006-10-29 Roger Sayle <roger@eyesopen.com>
3321 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3322 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3323 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3324 Fold -X eq/ne -Y as X eq/ne Y.
3326 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3328 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3329 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3330 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3331 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3332 Use an inclusive test for "mult" rather than "mul".
3333 (rotr<mode>3): Depend on ISA_HAS_ROR.
3334 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3336 (GENERATE_MULT3_DI): Delete.
3337 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3338 (ISA_HAS_MUL3): New macro.
3339 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3340 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3341 (ISA_HAS_CLZ_CLO): Likewise.
3342 (ISA_HAS_DCLZ_DCLO): Delete.
3343 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3344 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3345 the VR4120 and VR4130.
3346 (ISA_HAS_MACCHI): Use consistent formatting.
3347 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3348 (ISA_HAS_ROR): ...this new macro.
3349 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3350 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3351 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3353 2006-10-29 Roger Sayle <roger@eyesopen.com>
3355 PR tree-optimization/15458
3356 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3359 2006-10-29 Richard Guenther <rguenther@suse.de>
3361 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3362 (ix86_expand_truncdf_32): Likewise.
3363 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3364 trunc inline for SSE math and -fno-trapping-math and if not
3365 optimizing for size.
3366 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3367 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3368 for expanding btrunc inline for SSE math.
3370 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3372 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3373 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3374 i[34567]86-*-solaris2.1[0-9]*.
3375 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3376 Define conditionally depending on TARGET_64BIT_DEFAULT.
3377 (SPEC_32, SPEC_64): Define.
3378 (LINK_SPEC): Use them.
3379 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3381 2006-10-29 Richard Guenther <rguenther@suse.de>
3383 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3384 (ix86_expand_rounddf_32): Likewise.
3385 * config/i386/i386.c (ix86_expand_round): New function expanding
3386 round inline for SSE math and -fno-trapping-math and if not
3387 optimizing for size.
3388 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3389 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3390 round via ix86_expand_round.
3392 2006-10-29 Richard Guenther <rguenther@suse.de>
3394 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3395 (ix86_expand_floorceildf_32): Likewise.
3396 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3397 static helper function.
3398 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3400 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3401 * config/i386/i386.md (floordf2): Adjust to enable floor
3402 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3403 -fno-trapping-math is enabled and if not optimizing for size.
3404 (floorsf2, ceildf2, ceilsf2): Likewise.
3405 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3406 (sse2_maskcmpdf3): Likewise.
3408 2006-10-29 Richard Guenther <rguenther@suse.de>
3410 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3411 rint in case -fno-trapping-math is enabled.
3412 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3413 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3414 (ix86_expand_sse_fabs): Likewise.
3415 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3416 * config/i386/i386.md (rintdf2): Enable for SSE math if
3417 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3418 (rintsf2): Likewise.
3420 2006-10-29 Richard Guenther <rguenther@suse.de>
3422 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3423 to conversion optabs.
3424 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3425 as conversion optab.
3426 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3427 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3428 (lfloor_optab, lceil_optab): Adjust defines.
3429 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3430 lfloor and lceil optabs now being conversion optabs.
3431 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3432 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3433 New static helper function.
3434 (ix86_expand_lfloorceil): New function to expand lfloor and
3436 * config/i386/i386.md (lfloor<mode>2): Split into ...
3437 (lfloorxf<mode>2): ... x87 variant
3438 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3439 using ix86_expand_lfloorceil.
3440 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3442 * doc/md.texi (lfloorMN, lceilMN): Document.
3444 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3446 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3447 -mno-shared assembler option on mips targets.
3448 * configure, config.in: Regenerate.
3449 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3450 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3451 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3453 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3455 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3456 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3458 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3460 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3461 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3464 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3467 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3468 (fold_builtin_pow): Evaluate constant arguments at compile-time
3470 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3471 (do_mpfr_ckconv): New helper function.
3472 (do_mpfr_arg1): Use do_mpfr_ckconv.
3473 (do_mpfr_arg2): New.
3475 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3478 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3479 (-fdump-rtl-sched): Rename to ..
3480 (-fdump-rtl-sched1): here. Also fix file extension number.
3482 2006-10-28 Richard Guenther <rguenther@suse.de>
3484 * fold-const.c (maybe_canonicalize_comparison): Fix code
3487 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3489 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3490 (NON_QI_REG_P): Use IN_RANGE.
3491 (REX_INT_REGNO_P): Use IN_RANGE.
3492 (FP_REGNO_P): Use IN_RANGE.
3493 (SSE_REGNO_P): Use IN_RANGE.
3494 (REX_SSE_REGNO_P): Use IN_RANGE.
3495 (MMX_REGNO_P): Use IN_RANGE.
3496 (STACK_REGNO_P): New macro.
3497 (STACK_REG_P): Use STACK_REGNO_P.
3498 (NON_STACK_REG_P): Use STACK_REGNO_P.
3499 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3500 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3501 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3502 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3503 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3505 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3507 * except.h (output_function_exception_table): Add 'const char*' param.
3508 * except.c (switch_to_exception_section): Add 'const char*' param.
3509 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3510 and flag_function_sections is set, use a function-specific section.
3511 (output_function_exception_table): Add 'const char*' param.
3512 Adjust call to switch_to_exception_section.
3513 * final.c (rest_of_handle_final): Adjust calls to
3514 output_function_exception_table.
3515 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3516 * config.in: Regenerate.
3517 * configure: Likewise.
3519 2006-10-28 Richard Guenther <rguenther@suse.de>
3522 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3523 for maybe_canonicalize_comparison.
3524 (maybe_canonicalize_comparison): New function for canonicalizing
3526 (fold_comparison): Call it to canonicalize comparisons with
3529 2006-10-28 Richard Guenther <rguenther@suse.de>
3532 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3533 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3534 (expand_builtin): Adjust likewise.
3535 * genopinit.c (optabs[]): Add lround optab.
3536 * optabs.c (init_optabs): Initialize lround_optab.
3537 * optabs.h (enum convert_optab_index): Add COI_lround.
3538 (lround_optab): Define.
3539 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3540 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3542 (ix86_expand_lround): New function.
3543 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3545 * doc/md.texi (lroundMN2): Document.
3547 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3550 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3551 argument to HOST_WIDE_INT. Update function prototype.
3552 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3553 "size" argument to HOST_WIDE_INT. Update function prototype.
3555 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3557 * config/i386/i386.c (output_387_ffreep): Create output from a
3558 template string for !HAVE_AS_IX86_FFREEP.
3560 2006-10-27 Eric Christopher <echristo@apple.com>
3562 * config/darwin.c: Fix formatting and grammar.
3564 2006-10-27 Jan Hubicka <jh@suse.cz>
3566 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3567 to be thrown away soon when IGNORE is set.
3568 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3569 indicating when return value shall not be computed.
3570 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3572 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3574 * config/i386/i386.h (TARGET_GEODE):
3575 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3576 (TARGET_CPU_DEFAULT_geode): New macro.
3577 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3578 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3579 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3580 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3581 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3583 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3584 (processor_type): Add PROCESSOR_GEODE.
3586 * config/i386/i386.md: Include geode.md.
3589 * config/i386/i386.c (geode_cost): New initialized global
3591 (m_GEODE, m_K6_GEODE): New macros.
3592 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3593 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3594 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3595 x86_schedule): Use m_K6_GEODE instead of m_K6.
3596 (x86_movx, x86_cmove): Set up m_GEODE.
3597 (x86_integer_DFmode_moves): Clear m_GEODE.
3598 (processor_target_table): Add entry for geode.
3599 (processor_alias_table): Ditto.
3601 * config/i386/geode.md: New file.
3603 * doc/invoke.texi: Add entry about geode processor.
3605 2006-10-27 Mike Stump <mrs@apple.com>
3607 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3608 __DYNAMIC__ from here back to ...
3609 * config/darwin.h (CPP_SPEC): ... here.
3611 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3612 Nathan Sidwell <nathan@codesourcery.com>
3614 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3615 when choosing the minimum heapsize.
3617 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3619 * gcc/unwind-dw2.h: Move cfa-related variables into
3620 struct frame_state_reg_info to ensure that the CFA is properly
3621 handled when executing DW_CFA_{remember,restore}_state.
3622 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3623 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3624 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3625 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3626 gcc/config/rs6000/linux-unwind.h,
3627 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3628 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3629 Modify to use new cfa_* fields.
3631 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3633 * config/s390/s390.c (s390_init_frame_layout): Check positive
3636 2006-10-26 Ben Elliston <bje@au.ibm.com>
3638 * gimplify.c (get_name): Remove extraneous break.
3639 (gimplify_omp_for): Initialise ret with GS_OK.
3641 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3643 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3644 Add unix98.o to link line.
3646 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3649 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3650 Calculate compile-time constants using MPFR.
3651 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3652 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3654 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3656 * config/xtensa/lib2funcs.S: Use C-style comments.
3658 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3660 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3661 (file_table_relative_p): Likewise.
3662 (dwarf2out_finish): Likewise.
3663 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3665 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3667 * tree-ssa-structalias.c (intra_create_variable_infos):
3668 Don't recreate nonlocal_all if it already exists.
3670 2006-10-25 Richard Guenther <rguenther@suse.de>
3673 * optabs.h (enum optab_index): Remove OTI_lrint.
3674 (enum convert_optab_index): Add COI_lrint.
3675 (lrint_optab): Adjust.
3676 (expand_sfix_optab): Declare.
3677 * optabs.c (expand_sfix_optab): New function.
3678 (init_optabs): Init lrint_optab as conversion optab.
3679 * genopinit.c (lrint_optab): Change to a conversion optab.
3680 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3681 expansion via conversion optab.
3682 * config/i386/i386.md (*fistdi2_1): Remove
3683 flag_unsafe_math_optimizations guard.
3684 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3685 fist<mode>2_with_temp): Likewise.
3686 (lrint<mode>2): Split into...
3687 (lrintxf<mode>2): ... x87 part
3688 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3689 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3690 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3691 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3692 * doc/md.texi (lrintMN2): Document.
3694 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3697 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3698 Use inc and dec instructions for TARGET_USE_INCDEC.
3699 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3700 ("sync_double_compare_and_swap<mode>"): Likewise.
3701 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3702 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3703 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3704 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3705 ("sync_old_add<mode>"): Likewise.
3706 ("sync_lock_test_and_set<mode>"): Likewise.
3707 ("sync_lock_test_and_set<mode>"): Likewise.
3708 ("sync_add<mode>"): Likewise.
3709 ("sync_sub<mode>"): Likewise.
3710 ("sync_ior<mode>"): Likewise.
3711 ("sync_and<mode>"): Likewise.
3712 ("sync_xor<mode>"): Likewise.
3714 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3716 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3717 (remainder_optab): Define corresponding macro.
3718 (drem_optab): Remove.
3719 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3720 drem_optab initialization.
3721 * genopinit.c (optabs): Implement remainder_optab using
3722 remainder?f3 patterns. Remove drem_optab.
3723 * builtins.c (expand_builtin_mathfn_2): Handle
3724 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3725 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3726 expand_builtin_mathfn_2.
3728 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3729 depend on flag_unsafe_math_optimizations.
3731 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3732 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3733 Do not depend on flag_unsafe_math_optimizations. Use
3734 truncxf?f expander instead of truncxf?f_i387_noop.
3736 ("fpremxf4", "fprem1xf4"): Do not depend on
3737 flag_unsafe_math_optimizations.
3738 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3739 flag_unsafe_math_optimizations. Use truncxf?f expander
3740 instead of truncxf?f_i387_noop.
3742 * doc/md.texi (fmod, remainder): Document standard named pattern.
3744 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3745 David Daney <ddaney@avtrex.com>
3748 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3750 2006-10-25 Ben Elliston <bje@au.ibm.com>
3752 * doc/extend.texi (Variable Attributes): Typo fix.
3754 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3756 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3757 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3758 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3759 (FRAME_POINTER_REGNUM): Update register number to 21.
3760 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3761 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3763 * config/i386/i386.c (regclass_map): Add fpcr entry.
3764 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3766 (print_reg): Assert REGNO (x) != FPCR_REG.
3768 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3769 (DIRFLAG_REG): Renumber.
3770 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3771 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3772 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3773 hardcoded SSE register numbers.
3775 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3776 hardcoded MMX register numbers.
3778 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3781 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3782 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3784 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3785 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3786 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3787 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3789 2006-10-24 Richard Guenther <rguenther@suse.de>
3792 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3793 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3794 for deciding optimizations in consistency with fold-const.c
3795 (fold_builtin_unordered_cmp): Likewise.
3797 2006-10-24 Richard Guenther <rguenther@suse.de>
3799 * builtins.c (fold_builtin_floor): Fold floor (x) where
3800 x is nonnegative to trunc (x).
3801 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3802 nonnegative to FIX_TRUNC_EXPR.
3804 2006-10-24 Richard Guenther <rguenther@suse.de>
3806 PR tree-optimization/29567
3807 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3808 for TRUTH_NOT_EXPR. Clarify comments.
3810 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3813 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3814 at compile-time using MPFR. Change parameter VALUE to FUNC,
3816 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3817 for overflow and underflow at all times and avoid folding in
3820 2006-10-24 Ben Elliston <bje@au.ibm.com>
3822 * reload1.c: Formatting fixes.
3824 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3826 PR tree-optimization/14784
3827 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3828 * tree-ssa-structalias.c (get_constraint_for,
3829 intra_create_variable_infos): Set is_heapvar.
3830 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3831 non-heapvar pointer variables specially.
3833 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3837 fold_builtin_tan): Fold all constant arguments. Take a "type"
3838 argument as necessary.
3839 (do_mpfr_arg1): New.
3840 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3842 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3844 * config/xtensa/lib1funcs.asm: Use C-style comments.
3846 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3848 * tree.c (local_define_builtin): Replace calls to
3849 lang_hooks.builtin_function with add_builtin_function.
3850 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3852 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3854 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3855 common code to add_builtin_function.
3856 * langhooks.c (add_builtin_function): New function.
3857 (lhd_builtin_function): New function.
3858 * langhooks.h (struct lang_hooks): Change the signature of
3860 (add_builtin_function): New function.
3861 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3862 calls to lang_hooks.builtin_function with add_builtin_function.
3863 * c-common.c (decl_builtin_1): Replace calls to
3864 lang_hooks.builtin_function with add_builtin_function.
3865 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3866 lang_hooks.builtin_function with add_builtin_function.
3867 * config/frv/frv.c (def_builtin): Replace calls to
3868 lang_hooks.builtin_function with add_builtin_function.
3869 * config/s390/s390.c (s390_init_builtins): Replace calls to
3870 lang_hooks.builtin_function with add_builtin_function.
3871 * config/sparc/sparc.c (def_builtin): Replace calls to
3872 lang_hooks.builtin_function with add_builtin_function.
3873 * config/i386/i386.c (def_builtin): Replace calls to
3874 lang_hooks.builtin_function with add_builtin_function.
3875 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3876 lang_hooks.builtin_function with add_builtin_function.
3877 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3878 lang_hooks.builtin_function with add_builtin_function.
3879 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3880 Replace calls to lang_hooks.builtin_function with
3881 add_builtin_function.
3882 * config/iq2000/iq2000.c (def_builtin):
3883 Replace calls to lang_hooks.builtin_function with
3884 add_builtin_function.
3885 * config/ia64/ia64.c (def_builtin): Replace calls to
3886 lang_hooks.builtin_function with add_builtin_function.
3887 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3888 lang_hooks.builtin_function with add_builtin_function.
3889 (altivec_init_builtins): Replace calls to
3890 lang_hooks.builtin_function with add_builtin_function.
3891 * config/arm/arm.c (def_mbuiltin): Replace calls to
3892 lang_hooks.builtin_function with add_builtin_function.
3893 (arm_init_tls_builtins): Replace calls to
3894 lang_hooks.builtin_function with add_builtin_function.
3895 * config/mips/mips.c (mips_init_builtins): Replace calls to
3896 lang_hooks.builtin_function with add_builtin_function.
3897 * config/bfin/bfin.c (def_builtin): Replace calls to
3898 lang_hooks.builtin_function with add_builtin_function.
3899 * langhooks-def.h (lhd_builtin_function): New function.
3900 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3902 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3904 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3905 BUILT_IN_STRNCAT_CHK.
3907 2006-10-23 Jan Hubicka <jh@suse.cz>
3909 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3910 don't do conversion from memmove to memcpy here.
3911 (expand_builtin_bcopy, expand_builtin): Update call of
3912 expand_builtin_memmove.
3913 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3915 2006-10-23 Paul Brook <paul@codesourcery.com>
3917 * stor-layout.c (start_record_layout): maximum_field_alignment
3918 overrides STRUCTURE_SIZE_BOUNDARY.
3920 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3922 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3923 nonlocal function symbols if flag_pic.
3925 2006-10-23 Richard Guenther <rguenther@suse.de>
3929 * builtins.c (fold_binary): Remove checks for flag_wrapv
3930 and flag_trapv where negate_expr_p covers these cases.
3932 2006-10-23 Richard Guenther <rguenther@suse.de>
3935 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3936 of two on the absolute value.
3937 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3938 and negating -C does not overflow.
3940 2006-10-23 Richard Guenther <rguenther@suse.de>
3943 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3944 only if not flag_rounding_math.
3946 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3947 Kaz Kojima <kkojima@gcc.gnu.org>
3950 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3951 SImode memory reference for the source of a movua.
3952 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3953 (movua): Use an unspec instead of sign_extract. Expect the source
3954 to have mode BLKmode.
3955 (extv, insv): Use a BLKmode rather than SImode memory reference
3956 for the source of a movua.
3958 2006-10-22 Jeff Law <law@redhat.com>
3959 Richard Guenther <rguenther@suse.de>
3961 PR tree-optimization/15911
3962 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3963 (register_edge_assert_for_1): Likewise.
3964 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3965 (find_conditional_asserts): Adjust for new function signature.
3966 (find_assert_locations): Likewise.
3968 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3970 * config/i386/tmmintrin.h: Remove the duplicated content.
3972 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3974 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3975 (x86_64-*-*): Likewise.
3977 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3978 (override_options): Check SSSE3.
3979 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3980 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3981 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3982 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3983 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3984 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3985 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3986 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3987 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3988 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3989 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3990 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3991 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3992 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3993 IX86_BUILTIN_PABSD128.
3994 (bdesc_2arg): Add SSSE3.
3995 (bdesc_1arg): Likewise.
3996 (ix86_init_mmx_sse_builtins): Support SSSE3.
3997 (ix86_expand_builtin): Likewise.
3998 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4000 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4001 (UNSPEC_PSIGN): Likewise.
4002 (UNSPEC_PALIGNR): Likewise.
4003 Include mmx.md before sse.md.
4005 * config/i386/i386.opt: Add -mssse3.
4007 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4008 (ssse3_phaddwv4hi3): Likewise.
4009 (ssse3_phadddv4si3): Likewise.
4010 (ssse3_phadddv2si3): Likewise.
4011 (ssse3_phaddswv8hi3): Likewise.
4012 (ssse3_phaddswv4hi3): Likewise.
4013 (ssse3_phsubwv8hi3): Likewise.
4014 (ssse3_phsubwv4hi3): Likewise.
4015 (ssse3_phsubdv4si3): Likewise.
4016 (ssse3_phsubdv2si3): Likewise.
4017 (ssse3_phsubswv8hi3): Likewise.
4018 (ssse3_phsubswv4hi3): Likewise.
4019 (ssse3_pmaddubswv8hi3): Likewise.
4020 (ssse3_pmaddubswv4hi3): Likewise.
4021 (ssse3_pmulhrswv8hi3): Likewise.
4022 (ssse3_pmulhrswv4hi3): Likewise.
4023 (ssse3_pshufbv16qi3): Likewise.
4024 (ssse3_pshufbv8qi3): Likewise.
4025 (ssse3_psign<mode>3): Likewise.
4026 (ssse3_psign<mode>3): Likewise.
4027 (ssse3_palignrti): Likewise.
4028 (ssse3_palignrdi): Likewise.
4029 (abs<mode>2): Likewise.
4030 (abs<mode>2): Likewise.
4032 * config/i386/tmmintrin.h: New file.
4034 * doc/extend.texi: Document SSSE3 built-in functions.
4036 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4038 2006-10-22 Ira Rosen <irar@il.ibm.com>
4040 * tree-vect-transform.c (vectorizable_load): Use the type of the
4041 return value of the mask_for_load builtin to create realign_load
4044 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4046 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4049 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4051 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4052 (UNSPEC_LDDQU): This.
4053 * config/i386/sse.md (sse3_lddqu): Updated.
4055 2006-10-21 Richard Guenther <rguenther@suse.de>
4057 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4058 (expand_builtin): Use it to expand lrint instead of
4059 expand_builtin_mathfn.
4061 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4064 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4065 flag_unsafe_math_optimizations is set.
4067 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4070 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4071 patterns to use memory input operand in x87->mem->XMM
4072 reload sequences. Skip transformation for TARGET_K8.
4074 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4076 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4077 force operand1 to register if both operands are memory operands.
4078 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4079 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4080 if both operands are memory operands.
4081 (truncdfsf2): Do not force operand1 to register if both operands
4082 are memory operands.
4084 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4086 * Makefile.in (LIBS): Add $(GMPLIBS).
4087 * doc/install.texi: Update GMP and MPFR requirements.
4088 * doc/sourcebuild.texi (need_gmp): Delete.
4090 2006-10-21 Richard Guenther <rguenther@suse.de>
4092 PR tree-optimization/3511
4093 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4094 got new invariant arguments during PHI translation.
4096 2006-10-21 Richard Guenther <rguenther@suse.de>
4099 * fold-const.c (fold_comparison): Fold signed comparisons
4100 of the form X +- C1 CMP Y +- C2.
4102 2006-10-21 Richard Guenther <rguenther@suse.de>
4105 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4106 if flag_unsafe_math_optimizations is specified. We have
4107 flag_finite_math_only for that.
4108 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4109 or flag_unsafe_math_optimizations.
4111 2006-10-21 Richard Guenther <rguenther@suse.de>
4113 * builtins.c (fold_builtin_classify): Fix typo.
4115 2006-10-21 Richard Guenther <rguenther@suse.de>
4118 * simplify-rtx.c (simplify_const_relational_operation):
4119 Do not constant-fold ORDERED and UNORDERED for
4120 flag_unsafe_math_optimizations but only we do not need to
4121 honor NaNs for the given mode.
4123 2006-10-21 Richard Guenther <rguenther@suse.de>
4126 * config/i386/i386.c (classify_argument): Remove redundant
4127 walking of the BINFOs.
4128 (contains_128bit_aligned_vector_p): Likewise.
4130 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4132 * BASE-VER: Set to 4.3.0.
4134 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4136 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4137 (tree_decl_with_vis): Remove artificial_pta_var flag.
4138 * tree-flow.h (referenced_var_check_and_insert): Expose.
4139 (nonlocal_all): New prototype.
4140 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4141 (nonlocal_all): Make global.
4142 (nonlocal_lookup): Remove.
4143 (nonlocal_insert): Ditto.
4144 (create_nonlocal_var): Do not call nonlocal_insert.
4145 (get_nonlocal_id_for_type): Remove.
4146 (find_global_initializers): Mark new vars we find for renaming.
4147 (intra_create_variable_infos): Only create one nonlocal.
4148 (expand_nonlocal_solutions): Remove.
4149 (compute_points_to_sets): Don't call it.
4150 (ipa_pta_execute): Ditto.
4151 (init_alias_heapvars): Don't create nonlocal_for_type.
4152 (delete_alias_heapvars): Don't remove it.
4153 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4156 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4158 * doc/install.texi (Downloading GCC): Clarify mention of
4159 Fortran in the "full distribution" description.
4161 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4163 Fix PR tree-optimization/28778
4164 Fix PR tree-optimization/29156
4165 Fix PR tree-optimization/29415
4166 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4167 (tree_decl_with_vis): Add artificial_pta_var flag.
4168 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4169 pushed into callers.
4170 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4171 (nonlocal_all): Ditto.
4172 (struct variable_info): Add directly_dereferenced member.
4173 (var_escaped_vars): New variable.
4174 (escaped_vars_tree): Ditto.
4175 (escaped_vars_id): Ditto.
4176 (nonlocal_vars_id): Ditto.
4177 (new_var_info): Set directly_dereferenced.
4178 (graph_size): New variable
4179 (build_constraint_graph): Use graph_size.
4180 (solve_graph): Don't process constraints that cannot change the
4181 solution, don't try to propagate an empty solution to our
4183 (process_constraint): Set directly_dereferenced.
4184 (could_have_pointers): New function.
4185 (get_constraint_for_component_ref): Don't process STRING_CST.
4186 (nonlocal_lookup): New function.
4187 (nonlocal_insert): Ditto.
4188 (create_nonlocal_var): Ditto.
4189 (get_nonlocal_id_for_type): Ditto.
4190 (get_constraint_for): Allow results vector to be empty in the case
4191 of string constants.
4192 Handle results of calls properly.
4193 (update_alias_info): Update alias info stats on number and type of
4195 (find_func_aliases): Use could_have_pointers.
4196 (make_constraint_from_escaped): Renamed from
4197 make_constraint_to_anything, and changed to make constraints from
4199 (make_constraint_to_escaped): New function.
4200 (find_global_initializers): Ditto.
4201 (create_variable_info_for): Make constraint from escaped to any
4202 global variable, and from any global variable to the set of
4204 (intra_create_variable_infos): Deal with escaped instead of
4205 pointing to anything.
4206 (set_uids_in_ptset): Do type pruning on directly dereferenced
4208 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4209 (init_base_vars): Fix comment, and initialize escaped_vars.
4210 (need_to_solve): Removed.
4211 (find_escape_constraints): New function.
4212 (expand_nonlocal_solutions): Ditto.
4213 (compute_points_to_sets): Call find_escape_constraints and
4214 expand_nonlocal_solutions.
4215 (delete_points_to_sets): Don't fall off the end of the graph.
4216 (init_alias_heapvars): Initialize nonlocal_for_type and
4218 (delete_alias_heapvars): Free nonlocal_for_type and null out
4221 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4223 * fold-const.c (add_double): Rename to add_double_with_sign.
4224 Add 'unsigned_p' parameter and take it into account for the overflow.
4225 (mul_double): Rename to mul_double_with_sign.
4226 Add 'unsigned_p' parameter and take it into account for the overflow.
4227 (fold_div_compare): Call add_double_with_sign instead of add_double
4228 and mul_double_with_sign instead of mul_double, passing them the
4229 unsignedness of the type.
4230 * tree.h (add_double): Macroize.
4231 (add_double_with_sign): New prototype.
4232 (mul_double): Macroize.
4233 (mul_double_with_sign): New prototype.
4235 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4237 * config/score/crti.asm: New file.
4238 * config/score/crtn.asm: New file.
4239 * config/score/elf.h: New file.
4240 * config/score/mac.md: New file.
4241 * config/score/misc.md: New file.
4242 * config/score/mul-div.S: New file.
4243 * config/score/predicates.md: New file.
4244 * config/score/score7.md: New file.
4245 * config/score/score.c: New file.
4246 * config/score/score-conv.h: New file.
4247 * config/score/score.h: New file.
4248 * config/score/score.md: New file.
4249 * config/score/score-mdaux.c: New file.
4250 * config/score/score-mdaux.h: New file.
4251 * config/score/score-modes.def: New file.
4252 * config/score/score.opt: New file.
4253 * config/score/score-protos.h: New file.
4254 * config/score/score-version.h: New file.
4255 * config/score/t-score-elf: New file.
4256 * config.gcc: Add score*-*-* configurations(Update before).
4257 * doc/invoke.texi (Score Options): New section.
4258 * doc/md.texi (Score family): New section to document constraints.
4260 2006-10-19 Nick Clifton <nickc@redhat.com>
4262 * config/arm/arm.c: Fix spelling typo.
4264 2006-10-18 Tom Tromey <tromey@redhat.com>
4266 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4268 2006-10-18 Jan Hubicka <jh@suse.cz>
4271 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4274 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4276 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4277 TSI_SAME_STMT, since that's the desired entity.
4279 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4281 * config/s390/contraints.md: New file.
4282 * config/s390/s390-protos.h (s390_mem_constraint,
4283 s390_O_constraint_str, s390_N_constraint_str,
4284 s390_float_const_zero_p): Function prototypes added.
4285 * config/s390/s390.c (s390_extra_constraint_str,
4286 s390_const_double_ok_for_constraint_p,
4287 s390_const_ok_for_constraint_p): Functions removed.
4288 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4289 s390_float_const_zero_p): New functions.
4290 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4291 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4292 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4293 Macro definitions removed.
4294 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4295 s390_extra_constraint_str): Functions removed.
4297 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4298 Richard Sandiford <richard@codesourcery.com>
4301 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4302 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4304 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4306 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4307 (DWARF2_FRAME_REG_OUT): Likewise.
4308 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4309 (DWARF2_FRAME_REG_OUT): Likewise.
4311 2006-10-17 Paul Brook <paul@codesourcery.com>
4313 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4315 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4317 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4318 Standardize on "GNU Fortran" as the official name of the Fortran
4321 2006-10-16 Mike Stump <mrs@apple.com>
4323 * doc/invoke.texi (Darwin Options): Document -mkernel.
4324 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4326 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4327 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4328 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4329 (OS_MISSING_ALTIVEC): Add.
4330 * config/i386/i386.c (override_options): Add
4331 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4332 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4333 -mkernel, -static or -mdynamic-no-pic is given.
4334 (C_COMMON_OVERRIDE_OPTIONS): Add.
4335 * config/darwin.opt (fapple-kext): Add.
4337 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4338 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4340 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4341 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4342 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4343 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4344 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4345 (flag_mkernel): Add.
4346 (flag_apple_kext): Add.
4347 (TARGET_KEXTABI): Add.
4348 * config/darwin.c (darwin_handle_kext_attribute): Add.
4349 (DARWIN_VTABLE_P): Add.
4350 (darwin_binds_local_p): Add partial support for rebinding vtables
4352 (darwin_kextabi_p): Add.
4353 (darwin_override_options): Add.
4354 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4355 (darwin_kextabi_p): Add.
4356 (darwin_override_options): Add.
4357 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4358 __DYNAMIC__ and __STATIC__ here.
4360 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4362 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4363 Added mention of "make pdf" target, and Texinfo requirements for
4366 2006-10-16 DJ Delorie <dj@redhat.com>
4368 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4369 into the GOT in case we need a subreg of the address.
4371 2006-10-16 Richard Guenther <rguenther@suse.de>
4374 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4375 SSE builtin documentation. Document SSE2 builtins.
4377 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4379 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4380 symbol in the output file for non-shared links when -nostdlib or
4381 -nodefaultlibs isn't specified.
4383 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4384 posix thread support.
4386 2006-10-15 Jan Hubicka <jh@suse.cz>
4389 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4390 declared always_inline even when not inlining.
4392 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4393 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4394 Andrew Pinski <pinskia@gmail.com>
4397 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4399 2006-10-15 Jan Hubicka <jh@suse.cz>
4400 Richard Guenther <rguenther@suse.de>
4403 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4404 process_function_and_variable_attributes on all variables, including
4405 those discovered during cgraph construction phase.
4407 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4409 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4411 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4413 * config/i386/athlon.md (athlon_fist): Add fisttp.
4415 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4416 Ian Lance Taylor <ian@airs.com>
4419 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4420 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4423 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4425 * config/score/score.c, config/score/score.h: Fix comment
4428 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4431 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4434 2006-10-13 Eric Christopher <echristo@apple.com>
4436 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4438 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4441 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4442 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4443 alignment supported by 32-bit ELF.
4445 2006-10-13 Eric Christopher <echristo@apple.com>
4447 * config/darwin.c (darwin_emit_unwind_label): Strip
4448 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4450 2006-10-13 Richard Guenther <rguenther@suse.de>
4452 PR tree-optimization/29446
4453 * tree-vrp.c (fix_equivalence_set): Remove.
4454 (extract_range_from_assert): Do not call fix_equivalence_set.
4455 (debug_value_range): Print a newline.
4456 (compare_name_with_value): For equivalence sets with
4457 inconsistent value ranges conservatively bail out.
4458 (compare_names): Likewise.
4460 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4462 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4463 and MPFR for gfortran.
4465 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4467 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4468 alignment supported by 32-bit ELF.
4470 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4474 * c-typeck.c (digest_init): Always allow initializing vectors
4475 that have static storage duration with compound literals.
4476 * tree.c (build_type_attribute_qual_variant): New, based on
4477 build_type_attribute_variant.
4478 (build_type_attribute_variant): Rewrite using the former.
4479 (make_vector_type): Use build_type_attribute_qual_variant to build
4480 type variants. Use type_hash_canon on the others.
4482 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4483 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4485 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4487 2006-10-12 Jan Hubicka <jh@suse.cz>
4490 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4491 current_function_decl is set but current_function_scope is not.
4493 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4495 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4496 emit_insn to emit eh_return_internal instruction.
4497 (eh_return_internal): Explicitly set pc.
4499 2006-10-11 Richard Guenther <rguenther@suse.de>
4501 PR tree-optimization/28230
4502 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4503 to the correct place.
4505 2006-10-11 Richard Guenther <rguenther@suse.de>
4508 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4511 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4513 * configure.ac: Added pdf to "Make-hooks"
4514 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4515 targets and *.pdf file patterns in cleanup targets.
4516 * configure: Regenerated.
4518 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4520 * config/avr/predicates.md: New file.
4521 * config/avr/avr.md: Include it.
4522 (REG_SP): New constant.
4523 (peepholes): Use predicates.
4524 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4525 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4526 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4528 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4530 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4533 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4536 * builtins.c (var_decl_component_p): New function.
4537 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4538 single entry optimization to variables and components thereof.
4540 2006-10-10 Richard Guenther <rguenther@suse.de>
4542 PR rtl-optimization/29323
4543 * except.c (set_nothrow_function_flags): For functions
4544 that do not bind local bail out early.
4546 2006-10-10 Ben Elliston <bje@au.ibm.com>
4548 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4551 2006-10-09 Richard Henderson <rth@redhat.com>
4553 Revert emutls patch.
4555 2006-10-09 Richard Guenther <rguenther@suse.de>
4558 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4561 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4564 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4565 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4566 * configure: Regenerate.
4567 * config.in: Regenerate.
4569 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4571 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4573 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4575 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4576 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4577 Remove stray newline.
4579 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4581 * config/mips/mips.c (mips_classify_symbol): Do not return
4582 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4583 (mips_in_small_data_p): Tweak comments.
4585 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4587 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4589 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4591 * gimplify.c, sched-int.h: Fix comment typos.
4593 * sched-int.h: Fix comment typos.
4595 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4597 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4599 * sched-ebb.c (begin_schedule_ready): Use them.
4600 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4601 add_to_speculative_block, create_check_block_twin, speculate_insn,
4602 fix_jump_move, move_block_after_check): Ditto.
4603 * sched-rgn.c (new_ready): Ditto.
4605 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4607 PR rtl-optimization/29128
4608 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4609 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4610 allow interblock movement of speculation checks.
4612 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4615 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4616 casted to integer type.
4617 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4618 if they are significantly more expensive than [reg + index] ones.
4620 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4622 PR tree-optimization/29330
4623 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4624 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4625 on newly allocated ddrs.
4626 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4627 to VEC (loop_p, heap) pointer.
4628 (compute_data_dependences_for_loop): Adjust caller.
4629 (free_dependence_relations): Free DDR_LOOP_NEST.
4631 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4632 free DEPENDENCE_RELATIONS and DATAREFS.
4635 * builtins.c (expand_builtin_sync_operation,
4636 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4637 Use convert_to_mode to handle promoted arguments.
4639 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4641 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4643 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4645 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4647 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4649 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4650 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4651 Use <modeconstraint> instead of "r" as operand 1 constraint.
4653 2006-10-06 Olivier Hainque <hainque@adacore.com>
4655 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4656 Don't recurse on the pointed-to type.
4657 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4658 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4659 types with components of variable size.
4661 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4663 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4665 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4667 PR tree-optimization/29290
4668 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4672 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4673 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4676 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4677 the number of vector elements fill the rest with zeros.
4679 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4681 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4682 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4685 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4687 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4688 unnamed pattern into subsi3. Use correct constraints/predicates.
4689 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4690 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4692 2006-10-05 Ira Rosen <irar@il.ibm.com>
4694 * doc/loop.texi: Add data references analysis description.
4696 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4698 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4700 2006-10-04 Richard Henderson <rth@redhat.com>
4701 Jakub Jelinek <jakub@redhat.com>
4703 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4704 * builtin-types.def (BT_WORD): Make unsigned.
4705 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4706 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4707 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4708 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4709 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4710 * cgraph.c (decide_is_variable_needed): Look at force_output.
4711 Recurse for emulated tls.
4712 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4713 checks redundant with decide_is_variable_needed.
4714 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4715 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4717 * expr.c (emutls_var_address): New.
4718 (expand_expr_real_1): Expand emulated tls.
4719 (expand_expr_addr_expr_1): Likewise.
4720 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4721 * output.h (emutls_finish): Declare.
4722 * toplev.c (compile_file): Call it.
4723 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4724 address before wrapping in CONST.
4725 * varasm.c (emutls_htab, emutls_object_type): New.
4726 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4727 (get_emutls_object_name, get_emutls_object_type): New.
4728 (get_emutls_init_templ_addr, emutls_decl): New.
4729 (emutls_common_1, emutls_finish): New.
4730 (assemble_variable): When emulating tls, swap decls; generate
4731 constructor for the emutls objects.
4732 (do_assemble_alias): When emulating tls, swap decl and target name.
4733 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4735 * emutls.c: New file.
4736 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4737 tls_object for real tls.
4739 2006-10-04 Zack Weinberg <zackw@panix.com>
4741 Fix bug in constraint-check generator, reported by Rask Ingemann
4743 * genpreds.c (add_constraint): Don't remove anything from the
4745 (write_tm_constrs_h): Detect whether "op" argument is used, and
4746 mark it ARG_UNUSED if it isn't.
4747 (write_insn_const_int_ok_for_constraint): Skip the part of the
4748 expression that would test whether "op" (which is not available
4749 here) is a CONST_INT.
4751 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4754 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4756 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4758 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4759 current Leopard versions.
4760 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4762 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4764 * doc/install.texi: Fix typos.
4766 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4768 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4769 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4770 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4772 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4774 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4775 arg to be struct mach_header_64* instead.
4777 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4780 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4781 side effects after the outer expression's post side effects.
4783 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4785 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4786 comments to reflect actual behavior and relationship between
4787 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4789 * doc/c-tree.texi (Working with declarations): Fix documentation
4790 of FIELD_DECL likewise.
4792 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4795 * doc/extend.texi: Add used variable attribute description.
4797 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4800 * c.opt (Woverride-init): New.
4801 * c-opts.c (c_common_post_options): Default warn_override_init to
4803 * c-typeck.c (add_pending_init, output_init_element): Warn for
4804 overriding initializers without side effects.
4805 * doc/invoke.texi (-Woverride-init): Document.
4808 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4810 PR rtl-optimization/28096
4811 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4812 assignment has already been used as a destination earlier in the block.
4814 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4816 * builtins.c (expand_builtin_setjmp): Delete.
4817 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4818 <BUILT_IN_SETJMP_SETUP>: New case.
4819 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4820 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4821 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4822 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4823 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4824 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4825 (lower_function_body): Initialize it to false. If it is set to true
4826 at the end of the processing, emit the setjmp dispatcher.
4827 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4828 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4829 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4830 on the rhs of the assignment.
4831 (lower_builtin_setjmp): New function.
4832 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4833 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4834 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4835 to detect calls that can go to non-local labels. Use specific
4836 helper to create the abnormal edges associated with them.
4837 <MODIFY_EXPR>: Likewise.
4838 (make_abnormal_goto_edges): New function extracted from...
4839 (make_goto_expr_edges): ...here. Call it for computed gotos.
4840 (simple_goto_p): Minor tweak.
4841 (tree_can_make_abnormal_goto): New predicate.
4842 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4843 (tree_purge_dead_abnormal_call_edges): New function.
4844 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4845 (tree_purge_dead_abnormal_call_edges): Likewise.
4846 (make_abnormal_goto_edges): Likewise.
4847 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4848 Purge all dead abnormal edges if the call was in the last statement.
4849 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4850 (execute_fixup_cfg): If there are non-local labels in the function,
4851 scan the basic blocks and split them at calls that can go to non-local
4852 labels or add missing abnormal call edges. Write down the CFG in the
4854 (pass_fixup_cfg): Remove TODO_dump_func flag.
4855 * unwind-sjlj.c: Poison setjmp.
4856 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4857 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4858 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4859 (DONT_USE_BUILTIN_SETJMP): Document it.
4861 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4864 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4865 to 1 when __ppc64__ is defined.
4866 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4868 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4870 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4872 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4873 * config/ia64/unwind-hpux.c: Delete.
4875 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4877 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4878 on the element before gimplifying it, instead of punting if it is of
4881 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4883 * doc/loop.texi: New file.
4884 * doc/gccint.texi: Reference loop.texi.
4885 * Makefile.in (loop.texi): Add.
4887 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4889 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4891 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4892 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4894 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4896 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4898 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4900 * doc/install.texi: Document required versions of GMP and MPFR.
4902 2006-09-27 Paul Brook <paul@codesourcery.com>
4905 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4907 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4909 * reload1.c (alter_reg): Require the alignment of the stack slot to
4910 be at least reg_max_ref_width bytes.
4911 (scan_paradoxical_subregs): Record the largest width in
4914 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4918 * tree-nested.c (struct nesting_info): Added static_chain_added.
4919 (convert_call_expr): Set static_chain_added when adding static
4920 chain. Handle OMP_PARALLEL and OMP_SECTION.
4922 2006-09-25 Matthias Klose <doko@debian.org>
4924 * doc/invoke.texi: Add missing full stop.
4926 2006-09-25 Richard Henderson <rth@redhat.com>
4928 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4929 before cgraph_function_flags_ready.
4931 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4932 Adam Nemet <anemet@caviumnetworks.com>
4934 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4935 determine_common_wider_type): New functions.
4936 (get_computation_aff): Use them to simplify arithmetic between
4937 UBASE and CBASE if they are shortened from the same type.
4939 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4942 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4943 -2147483647 - 1 instead of 0x80000000.
4945 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4947 * flags.h (HONOR_NANS): Fix typo in comment.
4949 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4951 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4953 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4957 * tree.c (merge_attributes, attribute_list_contained): If both
4958 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4960 * c-typeck.c (comptypes_internal): Don't consider aggregates
4961 in different TUs as compatible if there one set of attributes is
4962 not a subset of the other type's attributes.
4963 (composite_type): Try harder not to create a new aggregate type.
4965 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4967 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4968 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4969 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4970 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4971 than replicating condition above.
4972 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4974 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4975 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4976 the linker by default.
4978 2006-09-22 Mike Stump <mrs@apple.com>
4980 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4983 2006-09-22 Richard Guenther <rguenther@suse.de>
4986 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4987 sort of stack variables stable.
4989 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4992 * explow.c (force_reg): Set REG_POINTER flag according to
4995 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4997 PR tree-optimization/28888
4998 * tree-if-conv.c (combine_blocks): Rewritten.
4999 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5000 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5002 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5004 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5007 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5009 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5011 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5013 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5015 2006-09-21 Roger Sayle <roger@eyesopen.com>
5018 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5019 dw_fde_current_label, to be the start of the function, i.e. the same
5020 value as dw_fde_begin.
5022 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5024 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5025 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5026 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5027 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5028 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5029 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5030 (abs<mode>2, neg<mode>2): Likewise.
5031 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5032 (*mips_abs_ps): New define_insn.
5034 2006-09-20 Josh Conner <jconner@apple.com>
5037 * calls.c (expand_call): Allow reuse of structure return stack
5040 2006-09-20 Paul Brook <paul@codesourcery.com>
5042 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5045 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5047 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5048 clean up terminology.
5050 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5053 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5054 with tablejumps in them.
5056 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5059 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5060 wrap it into TARGET_EXPR.
5062 2006-09-20 Eric Christopher <echristo@apple.com>
5064 * config/i386/i386.c (x86_fisttp): Remove.
5065 * config/i386/i386.h (x86_fisttp): Ditto.
5066 (TARGET_FISTTP): Ditto.
5068 2006-09-19 Eric Christopher <echristo@apple.com>
5070 * doc/tm.texi (OBJC_JBLEN): Describe.
5071 * config/i386/darwin.h (OBJC_JBLEN): Define.
5072 * config/rs6000/darwin.h: Ditto.
5074 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5076 PR rtl-optimization/21299
5077 * reload1.c (reload): Purge invalid ASMs in the final pass.
5079 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5082 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5083 pointers as legitimate constants.
5085 2006-09-19 Paul Brook <paul@codesourcery.com>
5088 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5090 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5092 PR tree-optimization/28887
5093 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5094 component parts from the reference.
5095 (gather_memory_references_ref): Record the reference without the
5096 nonaddressable component parts.
5098 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5101 * c-opts.c (c_common_handle_option): Ignore the -std options
5102 if the input language is assembly.
5104 2006-09-17 Ira Rosen <irar@il.ibm.com>
5107 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5109 (ptr_ptr_may_alias_p): Likewise.
5110 (record_record_differ_p): New function.
5111 (base_object_differ_p): Call record_record_differ_p.
5113 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5116 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5117 away for the expr argument.
5119 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5122 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5123 before using it for dumping after vectorizing loops.
5125 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5126 Jack Howarth <howarth@bromo.med.uc.edu>
5129 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5130 skip on error_mark_node.
5131 (rs6000_darwin64_record_arg_recurse): Likewise.
5133 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5135 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5136 * doc/rtl.texi: Remove related documentation.
5138 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5140 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5143 2006-09-15 Jim Wilson <wilson@specifix.com>
5145 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5146 Handle symbol offsets same as they are handled in ia64_expand_move
5149 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5151 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5152 Add forgotten parameter to the fprintf call.
5154 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5156 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5158 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5160 * doc/contrib.texi: Add my entry.
5162 2006-09-15 Nick Clifton <nickc@redhat.com>
5164 * doc/md.texi (Processor pipeline description): Fix typo in
5165 example of how to use the absence_set directive and reword the
5166 description to make it slightly easier to read.
5168 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5170 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5171 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5172 expanding the number of iterations.
5173 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5175 * cfgrtl.c (emit_insn_at_entry): New function.
5176 * rtl.h (emit_insn_at_entry): Declare it.
5177 * integrate.c (emit_initial_value_sets): Use it.
5179 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5181 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5183 (struct loop_work and related VEC declarations): Delete.
5184 (bfin_dump_loops): Print out new member bad.
5185 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5186 (bfin_scan_loop): Don't recurse.
5187 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5188 loops. No longer need to update outer loops if the current one is
5189 found bad. Move some validitiy checks to bfin_discover_loop.
5190 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5191 but changed not to check for nesting. Also changed to use the new bad
5193 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5194 time. Use bitmap based test to discover loop nesting.
5196 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5198 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5201 2006-09-14 Richard Guenther <rguenther@suse.de>
5202 Kazu Hirata <kazu@codesourcery.com>
5204 PR middle-end/28884.
5205 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5206 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5207 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5208 with TARGET_FUNCTION_VALUE.
5210 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5213 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5215 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5217 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5220 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5223 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5226 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5228 * basic_block.h (bb_has_eh_pred): Fix comment.
5230 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5232 * flow.c (calculate_global_regs_live): Invalidate eh registers
5233 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5234 (propagate_block): Handle eh registers as if they were set at basic
5236 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5238 * global.c (global_conflicts): Make eh registers to conflict with
5239 pseudos live at basic block begin.
5240 * basic_block.h (bb_has_eh_pred): New function.
5242 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5244 PR rtl-optimization/28982
5245 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5246 index of a PRE_MODIFY or POST_MODIFY address.
5247 * reload1.c (inc_for_reload): Use find_replacement on the original
5248 base and index registers.
5250 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5252 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5253 for -Os. Update __m128 alignment requirement.
5255 2006-09-13 Jan Hubicka <jh@suse.cz>
5257 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5259 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5261 PR rtl-optimization/28243
5262 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5263 the insn to which the note was originally attached.
5265 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5266 Roger Sayle <roger@eyesopen.com>
5268 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5269 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5270 on platforms that don't use dwarf for debug info.
5272 2006-09-12 Jason Merrill <jason@redhat.com>
5275 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5276 hard_frame_pointer_rtx after using it to update the frame pointer.
5278 2006-09-12 Roger Sayle <roger@eyesopen.com>
5280 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5281 (TARGET_ASM_CLOSE_PAREN): Likewise.
5282 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5283 (TARGET_ASM_CLOSE_PAREN): Likewise.
5285 2006-09-12 Roger Sayle <roger@eyesopen.com>
5288 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5289 frame information for frames larger than 512 Kbytes on Tru64 when
5290 using the native assembler.
5292 2006-09-12 Roger Sayle <roger@eyesopen.com>
5296 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5297 and symbols. Instead use the implementation from cse.c's hash_rtx.
5299 2006-09-12 Jan Hubicka <jh@suse.cz>
5301 PR rtl-optimization/28071
5302 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5303 (vect_transform_loop): Likewise.
5304 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5305 (new_loop_vec_info): Likewise.
5306 (destroy_loop_vec_info): Likewise.
5307 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5308 (create_stmt_ann): Likewise.
5309 (create_tree_ann): Rename to ...
5310 (create_tree_common_ann): ... this one; allocate only the common part
5312 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5313 (get_value_handle): Likewise.
5314 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5315 get_tree_common_ann.
5316 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5317 (vinfo_for_stmt): Use stmt annotations.
5318 * tree-flow.h (tree_ann_common_t): New type.
5319 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5320 (tree_ann, get_tree_ann, create_tree_ann): New.
5321 * tree-flow-inline.h (get_function_ann): Do more type checking.
5322 (stmt_ann): Likewise.
5323 (tree_ann): Rename to ...
5324 (tree_common_ann): ... this one; return ony common_ann
5325 (get_tree_ann): Rename to ...
5326 (tree_common_ann): This one; return only common_ann.
5327 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5330 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5332 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5333 with_cpu by default.
5335 * dwarf2out.c (dwarf_file_data): New.
5336 (enum dw_val_class): Add dw_val_class_file.
5337 (struct dw_val_struct): Add val_file.
5338 (file_table): Change to a hash table.
5339 (file_table_emitted): Delete.
5340 (file_table_last_lookup_index): Delete.
5341 (emitcount): Delete.
5342 (last_emitted_file): New.
5343 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5344 (init_file_table): Delete.
5345 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5346 (AT_addr): Add comment.
5350 (print_die): Handle dw_val_class_file.
5351 (print_dwarf_line_table): Update for new file table structure.
5352 (attr_checksum): Do checksum a filename.
5353 (same_dw_val_p, same_attr_p): Do compare a filename.
5354 (size_of_die): Handle dw_val_class_file.
5355 (value_format): Likewise.
5356 (output_die): Likewise. Also, call maybe_emit_file here.
5357 (struct file_info): Constify filenames. Make file_idx a pointer
5358 to a struct dwarf_file_data.
5359 (struct dir_info): Constify directory names. Remove 'used' field.
5360 (struct file_name_acquire_data): New.
5361 (file_name_acquire): New.
5362 (output_file_names): Modify to handle new file data structures.
5363 (add_src_coords_attributes): Use add_AT_file.
5364 (add_call_src_coords_attributes): Likewise.
5365 (dwarf2out_imported_module_or_decl): Likewise.
5366 (gen_subprogram_die): Modify for new file data structures.
5367 (gen_variable_die): Likewise.
5368 (file_table_eq): New.
5369 (file_table_hash): New.
5370 (file_table_last_lookup): New.
5371 (lookup_filename): Rewrite to handle new file data structures.
5372 (maybe_emit_file): Rewrite to handle new file data structures.
5373 (dwarf2out_source_line): Always call lookup_filename and
5375 (dwarf2out_init): Create file_table here.
5376 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5377 (file_table_relative_p): New.
5378 (dwarf2out_finish): Change detection of relative filenames
5379 to work with new file data structures. Move output_line_info call
5380 after debug_info output.
5382 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5387 * config/i386/i386.c (override_options): Always default to 16
5388 byte stack boundary.
5390 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5393 * var-tracking.c (dump_dataflow_set): Start dumping at
5395 (clobber_variable_part): Kill only the variable part in
5396 registers holding it, leaving other variables alone.
5398 2006-09-11 Josh Triplett <josh@freedesktop.org>
5400 * doc/extend.texi (Other Builtins): Actually use the macro
5401 argument in the documentation example for
5402 __builtin_types_compatible_p.
5404 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5406 PR rtl-optimization/28726
5407 * sched-deps.c (sched_analyze_reg): New function extracted from...
5408 (sched_analyze_1): ...here. Call it to analyze references to
5409 registers. Treat again writes to a stack register as writing to the
5411 (sched_analyze_2): ...and here. Call it to analyze references to
5412 registers. Treat again reads of a stack register as reading the
5415 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5416 David Edelsohn <edelsohn@gnu.org>
5419 * config/rs6000/spe.md (frob_df_di): Remove %H.
5420 (frob_di_df): Remove %H. Change evmergelo to mr.
5421 (frob_di_df_2): Remove %H. Change evldd to two loads.
5423 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5425 * doc/cpp.texi: Fix names of charset options.
5427 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5430 * config/i386/i386.c (override_options): Use 128-bit
5431 stack boundary always for 64bits.
5433 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5435 PR rtl-optimization/28636
5436 * combine.c (force_to_mode): Test for side-effects before
5437 substituting by zero.
5438 (simplify_shift_const): Likewise for zero or other constants.
5440 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5443 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5446 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5449 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5450 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5451 returned by mode_for_size, rather than the mode of src itself,
5452 to choose between 32-bit and 64-bit patterns.
5453 (mips_mem_fits_mode_p): New function.
5454 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5455 that the size of the source matches the size of the destination.
5456 (mov_<store>l, mov_<store>r): Likewise.
5458 2006-09-10 Eric Christopher <echristo@apple.com>
5460 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5463 2006-09-09 Eric Christopher <echristo@apple.com>
5466 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5469 2006-09-09 Roger Sayle <roger@eyesopen.com>
5470 Nicolas Setton <setton@adacore.com>
5472 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5474 2006-09-10 Andreas Schwab <schwab@suse.de>
5476 * config/m68k/m68k.md (bungt_rev): New pattern.
5478 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5479 Dale Johannesen <dalej@apple.com>
5482 * regclass.c (struct reg_pref): Update documentation.
5483 (regclass): Set prefclass to NO_REGS if memory is the best option.
5484 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5486 2006-09-08 Eric Christopher <echristo@apple.com>
5488 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5489 * config/t-slibgcc-darwin: Support x86_64 multilib.
5490 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5491 Return 1 for x86_64-darwin.
5492 * config/i386/t-darwin: Add m64 multilib.
5493 (LIB2_SIDITI_CONV_FUNCS): Use.
5494 (LIB2FUNCS_EXTRA): Ditto.
5495 * config/i386/darwin.h: Support x86_64.
5496 * config/i386/i386.c (override_options): Turn on flag_pic
5497 for x86_64-darwin. Disable flag_omit_pointer.
5498 (get_pc_thunk_name): Assert !TARGET_64BIT.
5499 (legitimate_address_p): Disable machopic addressing for
5501 (legitimize_pic_address): Ditto.
5502 (ix86_expand_move): Ditto.
5503 (ix86_expand_call): Ditto.
5504 (machopic_output_stub): Ditto.
5505 * config/darwin.c (machopic_select_section): Support literal16.
5506 (machopic_select_rtx_section): Ditto.
5507 * config/darwin-sections.def: Ditto.
5508 * config/darwin-64.c: New.
5510 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5513 * c-tree.h (struct c_arg_info): Add pending_sizes.
5514 * c-parser.c (c_parser_parms_declarator,
5515 c_parser_parms_list_declarator): Initialize pending_sizes.
5516 * c-decl.c (get_parm_info): Initialize pending_sizes.
5517 (get_parm_info): Set pending_sizes.
5518 (grokdeclarator): Call put_pending_sizes for parameters for
5519 function definition only.
5521 2006-09-07 Jason Merrill <jason@redhat.com>
5524 * varasm.c (output_constant): Only strip actual no-op conversions.
5527 * config/i386/i386.c (override_options): Use 128-bit
5528 stack boundary if -msse.
5530 2006-09-07 Eric Christopher <echristo@apple.com>
5532 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5534 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5537 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5539 * dwarf2out.c: Remove strange characters from comment above
5540 dwarf2out_frame_debug_expr.
5542 2006-09-07 Eric Christopher <echristo@apple.com>
5544 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5545 * config/darwin.h: ... to here.
5547 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5549 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5551 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5552 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5554 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5555 TARGET_PARTIAL_FLAG_REG_STALL.
5556 (*ashldi3_cconly_rex64): Likewise.
5557 (*ashlsi3_cmp): Likewise.
5558 (*ashlsi3_cconly): Likewise.
5559 (*ashlsi3_cmp_zext): Likewise.
5560 (*ashlhi3_cmp): Likewise.
5561 (*ashlhi3_cconly): Likewise.
5562 (*ashlqi3_cmp): Likewise.
5563 (*ashlqi3_cconly): Likewise.
5564 (*ashrdi3_cmp_rex64): Likewise.
5565 (*ashrdi3_cconly_rex64): Likewise.
5566 (*ashrsi3_cmp): Likewise.
5567 (*ashrsi3_cconly): Likewise.
5568 (*ashrsi3_cmp_zext): Likewise.
5569 (*ashrhi3_cmp): Likewise.
5570 (*ashrhi3_cconly): Likewise.
5571 (*ashrqi3_cmp): Likewise.
5572 (*ashrqi3_cconly): Likewise.
5573 (*lshrdi3_cmp_rex64): Likewise.
5574 (*lshrdi3_cconly_rex64): Likewise.
5575 (*lshrsi3_cmp): Likewise.
5576 (*lshrsi3_cconly): Likewise.
5577 (*lshrsi3_cmp_zext): Likewise.
5578 (*lshrhi3_cmp): Likewise.
5579 (*lshrhi3_cconly): Likewise.
5580 (*lshrqi2_cmp): Likewise.
5581 (*lshrqi2_cconly): Likewise.
5583 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5586 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5587 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5588 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5589 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5590 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5591 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5592 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5593 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5594 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5595 implement only CC setting effects of shift instructions.
5597 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5599 * doc/contrib.texi: Add myself.
5601 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5604 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5605 was set by the user.
5607 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5610 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5611 (divsi_inv_m1): Use them.
5612 (UNSPEC_DIV_INV_TABLE): New constant.
5614 2006-09-06 James E Wilson <wilson@specifix.com>
5617 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5618 then call count_or_remove_death_notes.
5620 2006-09-06 Jason Merrill <jason@redhat.com>
5623 * tree-inline.c (copy_result_decl_to_var): New fn.
5624 (declare_return_variable): Use it. Call declare_inline_vars here.
5625 (expand_call_inline): Not here.
5627 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5629 * doc/contrib.texi: Update my entry.
5631 2006-09-06 Nick Clifton <nickc@redhat.com>
5633 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5635 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5638 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5639 (canonicalize_induction_variables): Likewise.
5640 (tree_unroll_loops_completely): Likewise.
5641 (tree_ssa_prefetch_arrays): Likewise.
5642 (remove_empty_loops): Likewise.
5643 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5644 TODO_cleanup_cfg instead of directly calling
5645 cleanup_tree_cfg_loop.
5646 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5648 (tree_unroll_loops_completely): Likewise.
5649 (remove_empty_loops): Likewise.
5650 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5651 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5652 of tree_ssa_unswitch_loops.
5653 (tree_ssa_loop_ivcanon): Use the return value of
5654 canonicalize_induction_variables.
5655 (tree_ssa_empty_loop): Use the return value of
5657 (tree_complete_unroll): Use the return value of
5658 tree_unroll_loops_completely.
5659 (tree_ssa_loop_prefetch): Use the return value of
5660 tree_ssa_prefetch_arrays.
5661 * passes.c (execute_todo): Before Cleanup CFG, set
5662 updating_used_alone and after cleanup CFG, call
5663 recalculate_used_alone.
5665 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5668 * tree-vect-transform.c (vectorizable_condition): Move the check
5669 for the type after the check for simple condition.
5671 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5672 Kaz Kojima <kkojima@gcc.gnu.org>
5675 * mode-switching.c (optimize_mode_switching): Make the destination
5676 block of an abnormal edge have no anticipatable mode. Don't
5677 insert mode switching code at the end of the source block of
5680 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5682 PR rtl-optimization/26847
5683 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5684 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5685 (simplify_plus_minus): Count n_constants while filling ops. Replace
5686 qsort with insertion sort. Before going through the array to simplify
5687 pairs, sort it. Delay early exit until after the first sort, exiting
5688 only if no swaps occurred. Simplify pairs in reversed order, without
5689 special-casing the first iteration. Pack ops after simplifying pairs.
5691 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5693 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5694 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5695 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5696 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5698 2006-09-05 Richard Guenther <rguenther@suse.de>
5700 PR tree-optimization/28900
5701 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5702 compound conditional before creating COND_EXPR condition.
5704 2006-09-05 Richard Guenther <rguenther@suse.de>
5706 PR tree-optimization/28905
5707 * tree-vrp.c (fix_equivalence_set): Manually implement
5708 !value_ranges_intersect_p to also handle symbolic ranges.
5710 2006-09-05 Richard Guenther <rguenther@suse.de>
5713 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5716 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5718 PR rtl-optimization/27616
5719 * cse.c (table_size): New static variable.
5720 (new_basic_block): Initialize it to 0.
5721 (remove_from_table): Decrement it.
5722 (insert): Increment it.
5723 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5724 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5725 fold_rtx_mem_1 if under the cap.
5726 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5727 the lookup of the equivalent expression and test for equality of the
5728 first operand of the equivalent expression before in turn looking up
5729 an equivalent constant for the second operand.
5731 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5734 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5735 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5736 pointer, instead of assuming it is possible to derive the
5737 correct args size from a call insn.
5739 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5742 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5743 (fold_builtin_mempcpy): Rename to...
5744 (fold_builtin_memory_op): ... this. Optimize one element copy
5746 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5748 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5749 (expand_builtin_memcpy, expand_builtin_mempcpy,
5750 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5751 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5752 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5753 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5755 2006-09-01 DJ Delorie <dj@redhat.com>
5757 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5758 (stzx_16): Likewise.
5759 ("stzx_24_<mode>"): Likewise.
5760 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5761 ("cmp<mode>_op"): New.
5762 (cmp<mode>): Change to expander; just save operands.
5764 (b<code>): Change to expander, emit compare here.
5765 (s<code>_op): Change to use split and expander.
5766 (s<code>_24_op): Likewise.
5767 (s<code>_<mode>): New.
5768 (s<code>_<mode>_24): New.
5769 (movqicc_<code>_<mode): New.
5770 (movhicc_<code>_<mode>): New.
5773 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5774 (m32c_pend_compare): New.
5775 (m32c_unpend_compare): New.
5776 (m32c_expand_scc): New.
5777 (m32c_expand_movcc): Emit the compare also.
5778 * config/m32c/predicates.md (mra_nopp_operand): New.
5780 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5781 Richard Guenther <rguenther@suse.de>
5782 Adam Nemet <anemet@caviumnetworks.com>
5785 * builtins.c (get_pointer_alignment): Handle more forms
5786 of base addresses that can be used to derive more precise
5787 information about alignment.
5789 2006-09-01 Jason Merrill <jason@redhat.com>
5792 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5795 * gimplify.c (voidify_wrapper_expr): Handle null type.
5797 2006-09-01 Josh Conner <jconner@apple.com>
5800 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5801 (execute_return_slot_opt): Use it.
5803 2006-08-31 Josh Conner <jconner@apple.com>
5806 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5807 returning aggregates.
5809 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5811 PR tree-optimization/28839
5812 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5813 blocks in that phi arguments appear.
5815 2006-08-31 Roger Sayle <roger@eyesopen.com>
5818 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5819 NULL, otherwise use an advance_loc4 to adjust relative to the
5821 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5822 (dwarf2out_switch_text_section): Reset the current label to avoid
5823 using advance_loc4 over section boundaries.
5825 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5828 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5829 r12 + SYMBOLIC_CONST.
5831 2006-08-30 Richard Guenther <rguenther@suse.de>
5833 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5835 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5837 PR rtl-optimization/27735
5838 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5839 Add new argument to keep track of whether an irreducible region
5840 was affected. All callers changed.
5841 (fix_irreducible_loops): Removed.
5842 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5843 flags were invalidated.
5845 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5847 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5848 instead of SF operands.
5849 (*fop_df_comm_sse): Likewise.
5850 (*fop_df_comm_i387): Likewise.
5851 (*fop_df_1_mixed): Likewise.
5852 (*fop_df_1_sse): Likewise.
5854 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5855 J"orn Rennecke <joern.rennecke@st.com>
5857 PR tree-optimization/17506
5858 * tree-ssa.c (warn_uninit): If warning about a location outside of
5859 the current function, note where the variable was declared.
5861 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5863 PR tree-optimization/28411
5864 * double-int.c (double_int_div): Use double_int_divmod.
5865 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5866 double_int_mod, double_int_smod, double_int_umod): New functions.
5867 * double-int.h (double_int_divmod, double_int_sdivmod,
5868 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5870 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5872 (get_computation_aff, get_computation_cost_at): Handle double_int
5873 return type of constant_multiple_of.
5875 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5878 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5879 an implicit conversion.
5881 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5883 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5885 2006-08-27 Roger Sayle <roger@eyesopen.com>
5887 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5890 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5892 * config/i386/crtfastmath.c: Fix a comment typo.
5894 2006-08-26 Roger Sayle <roger@eyesopen.com>
5896 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5897 temporary visit flags on CASE_LABEL_EXPRs.
5898 * c-common.c (match_case_to_enum): Add function comment. Avoid
5899 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5900 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5901 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5902 a constant, only warn if that constant value isn't handled.
5904 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5907 * input.h (restore_input_file_stack): Declare.
5908 (INPUT_FILE_STACK_BITS): Define.
5909 * toplev.c (fs_p, input_file_stack_history,
5910 input_file_stack_restored, restore_input_file_stack): New.
5911 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5912 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5913 (pop_srcloc): Don't free old state of stack.
5915 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5918 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5919 (PowerPC Type Attributes): New.
5921 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5923 * config/xtensa/xtensa.c (function_arg_boundary): New.
5924 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5926 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5927 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5929 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5932 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5935 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5937 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5938 (verify_local_live_at_start): Likewise.
5940 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5943 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5944 omp_add_variable): Treat sizes as variable whenever not
5947 2006-08-26 Richard Guenther <rguenther@suse.de>
5950 * fold-const.c (fold_binary): Fold temporary to correct
5951 type before constructing new comparison.
5953 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5956 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5957 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5959 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5962 * c-decl.c (start_function): Don't try to process prototype
5963 information from old declaration that isn't a function.
5965 2006-08-25 Jan Hubicka <jh@suse.cz>
5968 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5970 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5973 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5976 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5978 PR tree-optimization/16876
5979 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5980 exit if PARM doesn't match VALUE.
5982 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5984 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5985 literal_prefix directive.
5986 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5987 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5988 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5990 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5993 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5994 predicate to general_operand. Add 0->y and I->r alternatives.
5996 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5998 * doc/tm.texi: Fix a typo.
5999 * predict.c: Fix comment typos.
6001 2006-08-25 Nick Clifton <nickc@redhat.com>
6003 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6004 assertions of "cpu" and "machine".
6006 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6009 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6010 the access through a base which has an alias set of 0 cannot
6013 2006-08-24 Bill Wendling <wendling@apple.com>
6015 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6017 2006-08-24 Jan Hubicka <jh@suse.cz>
6019 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6021 2006-08-24 Jan Hubicka <jh@suse.cz>
6024 * cgraph.c: Fix comments.
6025 (cgraph_varpool_mark_needed_node): Mark only variables not already
6027 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6028 (cgraph_varpool_assembled_nodes_queue): New static variable.
6029 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6030 (cgraph_varpool_output_debug_info): New function.
6031 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6032 * Makefile.in: Add gt-cgraphunit.h
6034 2006-08-24 Jan Hubicka <jh@suse.cz>
6036 * predict.c (probability_reliable_p): New predicate.
6037 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6038 (predict_loops): Do not predict loop exit with less than 2%
6040 * basic-block.h (edge_probability_reliable_p,
6041 br_prob_note_reliable_p): Declare.
6042 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6043 prediction when static predictor is not reliable.
6044 * rs6000.c (output_cbranch): Likewise.
6046 2006-08-23 Stuart Hastings <stuart@apple.com>
6049 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6050 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6052 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6055 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6056 complex values, nor for generic vector values.
6058 2006-08-22 Richard Guenther <rguenther@suse.de>
6061 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6062 parameter. Convert arguments to arithmetic expression to the
6064 (analyze_scalar_evolution_1): Adjust caller.
6066 2006-08-22 Jan Hubicka <jh@suse.cz>
6068 Patch by Paolo Bonzini
6069 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6072 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6074 PR tree-optimization/28003
6075 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6076 before grouping aliases.
6078 2006-08-22 Roger Sayle <roger@eyesopen.com>
6080 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6081 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6083 2006-08-21 Jason Merrill <jason@redhat.com>
6086 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6087 wrapper. Loop to handle nested wrappers.
6088 (gimplify_bind_expr): Remove temp parameter.
6089 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6090 and STATEMENT_LIST on the rhs.
6091 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6092 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6093 (gimplify_target_expr): Remove special BIND_EXPR handling.
6095 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6097 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6100 2006-08-21 Olivier Hainque <hainque@adacore.com>
6102 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6103 Arrange for the temporary captures of components overlapping the lhs
6104 to happen before the lhs is possibly cleared.
6106 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6108 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6109 necessary places to pass the correct "number of registers" values
6112 2006-08-20 Jan Hubicka <jh@suse.cz>
6114 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6115 (create_name_tags): Instead of quadratic checking use hashtable.
6116 * bitmap.h: Include hashtab.h.
6117 (bitmap_hash): Declare.
6118 * bitmap.c (bitmap_hash): New function.
6120 2006-08-20 Jan Hubicka <jh@suse.cz>
6122 PR rtl-optimization/28071
6123 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6125 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6126 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6127 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6128 cgraph_decide_inlining_incrementally): Update use of
6129 cgraph_check_inline_limits.
6130 * cgraph.c (edge_hash, edge_eq): New function.
6131 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6132 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6133 cgraph_remove_node): Maintain call site hash.
6134 * cgraph.h (struct cgraph_node): Add call_site_hash.
6135 (cgraph_set_call_stmt): New function.
6137 2006-08-20 Jan Hubicka <jh@suse.cz>
6139 PR rtl-optimization/28071
6140 * reload1.c (reg_has_output_reload): Turn into regset.
6141 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6142 choose_reload_regs, emit_reload_insns): Update to new
6143 reg_has_output_reload.
6145 2006-08-20 Jan Hubicka <jh@suse.cz>
6148 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6149 function body sizes.
6150 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6152 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6155 * tree.c (handle_dll_attribute): Return early if not a
6156 var or function decl.
6158 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6161 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6162 alignment of SPE vector types.
6164 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6166 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6168 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6171 * cgraph.h (struct cgraph_node): Remove externally_visible
6173 * cgraphunit.c (process_function_and_variable_attributes): Set
6174 local.externally_visible rather than externally_visible.
6177 * c-common.c (handle_externally_visible_attribute): First look
6178 at TREE_CODE and only if it is function or var decl, check for
6179 non-public objects. Don't warn for DECL_EXTERNAL.
6180 * cgraphunit.c (process_function_and_variable_attributes): Warn
6181 if externally_visible attribute is used on non-public object.
6183 2006-08-17 Jan Hubicka <jh@suse.cz>
6185 PR tree-optimization/27865
6186 * reload1.c (forget_marked_reloads): New function.
6187 (forget_old_reloads_1): When data are passed, just mark the registers
6189 (reload_as_needed): Use the new mechanizm.
6191 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6194 * reload.h (reg_equiv_alt_mem_list): New declaration.
6195 * reload1.c (reg_equiv_alt_mem_list): New definition.
6196 (reload): Initialize it and release it.
6197 (delete_output_reload): Use it.
6198 * reload.c (push_reg_equiv_alt_mem): New function.
6199 (find_reloads_toplev): Call it.
6200 (find_reloads_address, find_reloads_address_1): Likewise.
6201 (find_reloads_subreg_address): Likewise.
6203 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6205 PR rtl-optimization/28489
6206 * sched-ebb.c (begin_schedule_ready): Create basic block
6208 (advance_target_bb): Skip empty blocks.
6209 * haifa-sched.c (bb_note): Make global.
6210 * sched-int.h (bb_note): Add prototype.
6212 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6214 PR tree-optimization/27865
6215 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6217 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6218 fold_used_pointer, pointer_used_p): New functions.
6219 (analyze_scalar_evolution_1): Use fold_used_pointer.
6220 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6221 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6224 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6227 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6228 or the INTEGER_CST. Fail on a CALL_EXPR.
6229 (fold_offsetof): Pass new argument to fold_offsetof_1.
6230 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6231 operand into an INDIRECT_REF.
6232 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6234 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6236 PR gcov/profile/26570
6237 * value-prof.c (static_values): Removed.
6238 (tree_find_values_to_profile): Do not set static_values.
6239 (find_values_to_profile): Do not free static_values.
6240 * profile.c (instrument_values): Do not free the values.
6241 (branch_prob): Free the values.
6243 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6245 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6247 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6250 * c-typeck.c (build_component_ref): Combine qualifiers of
6251 structure or union and field.
6253 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6255 PR rtl-optimization/28071
6256 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6257 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6258 * tree-into-ssa.c (struct dom_dfsnum): New.
6259 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6261 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6262 compute_global_livein.
6263 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6264 in phi nodes in the correct blocks.
6266 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6268 PR tree-optimization/28364
6269 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6271 (fold_affine_expr): New function.
6272 (may_eliminate_iv): Use fold_affine_expr.
6274 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6277 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6280 2006-08-16 Mike Stump <mrs@apple.com>
6282 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6283 * doc/cppopts.texi (-MD): Likewise.
6285 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6288 * c-common.c (handle_weak_attribute): Ignore and warn if
6289 not a FUNCTION_ or VAR_DECL.
6291 2006-07-15 Mike Stump <mrs@apple.com>
6294 * c-parser.c (c_parser_typeof_specifier): Don't use
6295 c_finish_expr_stmt, open code desired semantics instead.
6297 2006-08-15 Nick Clifton <nickc@redhat.com>
6299 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6300 fragment to tmake_file only if threads are enabled.
6301 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6302 * config/i386/t-gthr-win32: New file. ... here.
6304 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6307 * c-parser.c (c_parser_compound_statement_nostart): Reset
6308 parser->error after each statement.
6310 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6313 * omp-low.c (lower_omp_parallel): Convert t to
6314 receiver_decl's type.
6315 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6316 source before comparison.
6319 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6320 to itype in assignment to oldival2.
6322 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6326 * c-typeck.c (build_compound_expr): If the second expression
6327 is an error mark, then just return an error mark instead of
6328 creating a COMPOUND_EXPR.
6330 2006-07-14 Mike Stump <mrs@apple.com>
6332 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6334 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6336 * c-decl.c, var-tracking.c: Fix comment typos.
6338 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6340 PR rtl-optimization/28634
6341 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6342 for floating-point modes unless flag_unsafe_math_optimizations.
6344 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6345 Andrew Pinski <pinskia@physics.uc.edu>
6348 * tree.c (build_array_type): Unify array types with
6349 unspecified index_type.
6350 * c-decl.c (grokdeclarator): Make sure we do not modify a
6351 unified incomplete array type.
6352 * c-typeck.c (store_init_value): Create distinct type before
6353 filling in the index type in an initializer from a compound
6356 * c-decl.c (grokdeclarator): Remove code where we copy the
6359 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6361 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6362 into account for TODO_dump_cgraph.
6363 (TODO_update_ssa_no_phi): Likewise.
6364 (TODO_update_ssa_full_phi): Likewise.
6365 (TODO_update_ssa_only_virtuals): Likewise.
6366 (TODO_remove_unused_locals): Likewise.
6367 (TODO_set_props): Likewise.
6368 (TODO_update_stmt_usage): Likewise.
6370 2006-08-13 Dirk Mueller <dmueller@suse.de>
6372 * c-common.c (strict_aliasing_warning): Fix formatting.
6374 2006-08-13 Matthias Klose <doko@debian.org>
6376 * doc/invoke.texi: Fix spelling errors.
6378 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6380 PR rtl-optimization/23454
6381 * reorg.c (relax_delay_slots): Update comment.
6383 2006-08-11 Richard Guenther <rguenther@suse.de>
6386 * simplify-rtx.c (simplify_const_relational_operation):
6387 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6390 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6392 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6393 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6395 2006-08-10 Paul Brook <paul@codesourcery.com>
6397 * final.c (final_scan_insn): Clear current_insn_predicate before
6398 outputting inline asm.
6400 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6402 PR tree-optimization/26197
6403 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6404 get_ref_base_and_extent and overlap_subvar to add only relevant
6405 subvars as may-aliases.
6406 (add_may_alias_for_new_tag): New function, factored out of
6408 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6409 with additional argument.
6410 * tree-flow.h (new_type_alias): Takes additional argument.
6412 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6414 * gcov.c (no_data_file): New flag.
6415 (read_count_file): Set it if data file not present. Assume counts
6417 (output_lines): Don't name the data file, if there wasn't one.
6419 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6421 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6422 (rs6000_generate_compare): Tweak comments.
6423 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6425 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6427 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6428 (var_debug_decl): New function.
6429 (var_reg_set): Follow debug decl link. Add location even if
6430 reg is already known to hold some other variable.
6431 (var_mem_set): Follow debug decl link.
6432 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6433 decl link. Delete other known locations of the variable part
6435 (var_reg_delete, var_mem_delete): Delete other known locations
6436 of the variable part if requested.
6437 (same_variable_part_p): New function.
6438 (add_stores): Select MO_COPY when appropriate.
6439 (vt_initialize): Handle it.
6440 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6441 known locations for MO_SET and MO_CLOBBER.
6442 (find_variable_location_part): New function.
6443 (set_variable_part, delete_variable_part): Use it.
6444 (clobber_variable_part): New function.
6445 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6448 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6450 PR tree-optimization/26969
6451 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6452 with an empty list of PHIs.
6454 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6458 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6461 2006-08-06 Andreas Schwab <schwab@suse.de>
6463 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6464 string. Whitespace and comment fixup.
6466 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6469 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6473 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6476 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6478 2006-08-04 Jan Hubicka <jh@suse.cz>
6482 * reload.c (push_reload): Patch out the mismatching instruction;
6484 (find_reload): Bail out if the instruction was patched out.
6486 2006-08-04 Jan Hubicka <jh@suse.cz>
6488 PR tree-optimization/24888
6489 * tree-inline.c (expand_call_inline): Do not re-record variables.
6490 (declare_inline_vars): Add variable to unexpanded_var_list.
6492 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6493 Roger Sayle <roger@eyesopen.com>
6495 PR rtl-optimization/26244
6496 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6497 inner_const are negative or greater than or equal to the bitsize of
6498 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6499 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6500 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6501 CONST0_RTX (mode) when the new shift count is greater than or equal to
6502 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6505 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6507 * tree-cfg.c: Fix a comment typo.
6509 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6512 * varasm.c (output_constant): Give the front end another chance to
6513 expand constants, after stripping NOPs.
6515 2006-08-03 Jan Hubicka <jh@suse.cz>
6517 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6520 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6522 PR tree-optimization/27770
6523 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6524 declaration removed (moved to tree-flow.h).
6525 (vect_can_force_dr_alignment_p): Likewise.
6526 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6527 (moved from tree-vectorizer.h).
6528 (vect_can_force_dr_alignment_p): Likewise.
6529 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6530 from outside the vectorizer - in particular from cgraph stage.
6531 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6532 the alignment of global arrays when -fsection-anchors is enabled.
6533 * cgraphunit.c (cgraph_increase_alignment): New function.
6534 (cgraph_optimize): Call cgraph_increase_alignment.
6536 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6539 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6540 not reload a SPE symbol_ref into a lo_sum address.
6542 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6545 * dwarf2out.c (prune_unused_types_prune): Move call to
6546 prune_unused_types_update_strings to cover the parent DIE also.
6548 2006-08-02 Jan Hubicka <jh@suse.cz>
6550 PR gcov/profile/28480
6551 * tree-cfg.c (change_bb_for_stmt): New function.
6552 (tree_merge_blocks, tree_split_blocks): Use it.
6554 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6560 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6561 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6562 (cgraph_optimize): Likewise.
6564 2006-08-01 Stuart Hastings <stuart@apple.com>
6566 * rtl.h (UINTVAL) New.
6567 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6568 * testsuite/gcc.dg/20060801-1.c: New.
6570 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6573 * c-typeck.c (build_external_type): Mark used enum types.
6574 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6576 (gen_subprogram_die): Whitespace fix.
6578 2006-08-01 Jan Hubicka <jh@suse.cz>
6580 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6581 bitmap when not needed.
6582 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6585 2006-08-01 Dirk Mueller <dmueller@suse.de>
6587 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6589 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6591 * Makefile.in: Revert part of previous patch:
6592 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6595 2006-07-30 Eric Christopher <echristo@apple.com>
6598 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6599 (PowerPC Variable Attributes): New section.
6601 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6603 PR target/28126 (partial fix)
6604 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6606 2006-07-28 Jan Hubicka <jh@suse.cz>
6608 PR rtl-optimization/28071
6609 * cfgrtl.c (rtl_delete_block): Free regsets.
6610 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6612 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6614 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6615 and variables used in dependencies.
6617 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6619 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6620 %fs for -mcmodel=kernel.
6621 (stack_tls_protect_test_di): Likewise.
6623 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6625 * Makefile.in: Use mkinstalldirs.
6627 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6630 * opts-common.c (prune_options): Skip joined switches.
6632 2006-07-27 Jan Hubicka <jh@suse.cz>
6634 PR rtl-optimization/28071
6635 * cselib.c (cselib_process_insn): Don't remove useless values too
6636 often for very large hashtables.
6638 2006-07-27 Jan Hubicka <jh@suse.cz>
6640 PR rtl-optimization/28071
6641 * global.c (greg_obstack): New obstack.
6642 (allocate_bb_info): Use it.
6643 (free_bb_info): Likewise.
6644 (modify_reg_pav): Likewise.
6646 2006-07-27 Roger Sayle <roger@eyesopen.com>
6648 * builtins.c (fold_fixed_mathfn): When long and long long are the
6649 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6650 functions to their lceil*, lfloor*, lround* and lrint* forms.
6652 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6655 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6657 (rev_branch_insn): Likewise.
6659 2006-07-27 Jan Hubicka <jh@suse.cz>
6661 PR rtl-optimization/28071
6662 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6663 (reg_set_in_bb, max_reg_computed): New static variables.
6664 (regmove_optimize): Free the new array.
6665 (fixup_match_1): Update call of reg_is_remote_constant_p.
6667 2006-07-26 Jan Hubicka <jh@suse.cz>
6669 PR tree-optimization/27882
6670 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6672 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6674 (cgraph_analyze_compilation_unit): Likewise.
6675 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6676 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6677 (cgraph_early_inlinine): Make order garbage collected.
6678 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6680 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6682 * dbxout.c (output_types_sort): Add a comment.
6683 (output_used_types): Free the VEC.
6685 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6687 * function.c (reorder_fix_fragments): Delete.
6688 (reorder_blocks): Don't call it.
6689 (reorder_blocks_1): Put all subblocks under the origin block.
6691 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6693 PR rtl-optimization/27907
6694 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6697 2006-07-25 Roger Sayle <roger@eyesopen.com>
6700 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6701 bar(x) check that bar's result type can represent all the values of T.
6703 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6705 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6707 2006-07-25 Nick Clifton <nickc@redhat.com>
6709 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6710 size_lookup[] array.
6711 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6712 (ggc_pch_count_object): Likewise.
6713 (ggc_pch_alloc_object): Likewise.
6714 (ggc_pch_write_object): Likewise.
6715 (init_ggc): Do not attempt to initialize entries in the
6716 size_lookup[] array for objects whose size is greater than than
6717 the length of the array.
6719 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6721 * dbxout.c (output_used_types_helper): Push queued types
6723 (output_types_sort): New.
6724 (output_used_types): Collect used types on a VEC and sort them
6727 2006-07-24 Richard Guenther <rguenther@suse.de>
6730 * cgraph.c (cgraph_remove_node): Do not check if dumps
6732 * cgraphunit.c (cgraph_optimize): Likewise.
6734 2006-07-24 Jan Hubicka <jh@suse.cz>
6736 PR rtl-optimization/28071
6737 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6738 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6739 splitting before first stmt.
6741 2006-07-24 Jan Hubicka <jh@suse.cz>
6743 PR rtl-optimization/28071
6744 * ipa-inline.c (update_caller_keys): Remove edges that
6745 are no longer inline candidates.
6747 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6750 * dbxout.c (output_used_types_helper, output_used_types): New.
6751 (dbxout_symbol): Call output_used_types.
6753 2006-07-23 Jan Hubicka <jh@suse.cz>
6757 * cgraph.c (cgraph_varpool_nodes): Export.
6758 (decide_is_variable_needed): Ignored "used" attribute in
6759 unit-at-a-time mode.
6760 * cgraph.h (cgraph_varpool_nodes): Declare.
6761 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6762 unit-at-a-time mode.
6764 2006-07-23 Roger Sayle <roger@eyesopen.com>
6767 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6768 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6769 the __gthrw form of thr_keycreate.
6770 (__gthread_key_delete): Silence the unused argument warning.
6772 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6775 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6776 Cache the last found '\0' marker to avoid quadratic behavior.
6778 2006-07-23 Jan Hubicka <jh@suse.cz>
6780 * i386.md (subsi_3_zext): Fix output template.
6782 2006-07-21 Mike Stump <mrs@apple.com>
6784 * doc/invoke.texi (C++ Dialect Options): Note that
6785 -fvisibility-inlines-hidden doesn't affect explicitly
6786 instantiationed inline methods.
6788 2006-07-20 Roger Sayle <roger@eyesopen.com>
6790 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6791 if the target assembler is GNU binutils' gas.
6792 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6793 whether to pass GNU gas or native as command line options.
6795 2006-07-20 Jason Merrill <jason@redhat.com>
6797 * tree.c (remove_attribute): New fn.
6798 * tree.h: Declare it.
6800 2006-07-20 Paul Brook <paul@codesourcery.com>
6803 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6804 they are invalidated by this instruction.
6806 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6809 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6811 2006-07-20 Eric Christopher <echristo@apple.com>
6814 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6816 2006-07-19 Eric Christopher <echristo@apple.com>
6818 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6819 Rewrite dependencies for libgcc_s.1.dylib.
6821 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6823 * except.c (duplicate_eh_regions_1): Clear next_peer.
6825 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6827 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6828 -mlongcall does not guarantee all calls will be long.
6829 * doc/extend.texi (long_call/short_call): Document that longcall
6830 does not guarantee a long call will be used.
6831 (longcall/shortcall): Likewise.
6833 2006-07-18 Roger Sayle <roger@eyesopen.com>
6836 * expmed.c (expand_shift): Additionally check that the shift_cost
6837 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6838 before implementing a LSHIFT_EXPR as a sequence of additions.
6839 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6840 middle-end that DImode shifts need to be synthesized by expand.
6842 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6845 * tree-ssa-operands.c (access_can_touch_variable): Update
6847 Return true if ALIAS is .GLOBAL_VAR.
6849 2006-07-18 David Daney <ddaney@avtrex.com>
6851 * gcc.c (display_help): Fix typo in help text.
6853 2006-07-18 Olivier Hainque <hainque@adacore.com>
6855 * tree.h (categorize_ctor_elements): Adjust prototype and add
6856 descriptive comment, both in accordance with the interface change
6858 * varasm.c (constructor_static_from_elts_p): New function.
6859 Whether a constructor node is a valid static constant initializer
6860 if all its elements are.
6861 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6862 * output.h: Declare it.
6863 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6864 is a valid constant initializer instead of computing the number of
6865 non-constant elements. Use constructor_static_from_elts_p for this
6866 purpose. Replace the head comment with an indication that this is a
6867 helper for categorize_ctor_elements.
6868 (categorize_ctor_elements): Same interface change as for the _1
6869 helper. Former head comment from this helper moved here, adjusted to
6870 account for the interface changes.
6871 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6872 (all_zeros_p): Likewise.
6873 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6874 static versions of the constructor from the categorize_ctor_elements
6875 return value instead of the formerly computed number of non-constant
6878 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6880 * configure: Regenerate.
6881 * Makefile.in (build_libsubdir): New configure substitution
6882 (build_libobjdir): New variable.
6883 (BUILD_LIBIBERTY): Use it.
6885 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6888 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6890 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6893 * c-common.c (handle_weakref_attribute): Ignore attribute in
6894 the same conditions the alias attribute is ignored.
6896 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6898 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6899 (dbxout_begin_prologue): Increment scope_labelno.
6901 2006-07-17 Richard Henderson <rth@redhat.com>
6904 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6907 2006-07-17 Roger Sayle <roger@eyesopen.com>
6908 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6910 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6911 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6912 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6913 functions such as sbrk, write, etc.. Add function prototypes.
6914 Convert function declarations from K&R to ISO C. Cast pointers
6915 to "long" and "unsigned long" instead of "int" and "unsigned int".
6916 Convert tokens following #endif into comments.
6918 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6920 * invoke.texi: Remove mention of f77; Reformat table for
6921 inline parameter options correctly; mention that -malign-double
6922 is default on x86-64 targets.
6924 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6926 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6927 (convert_affine_scev, chrec_convert_aggressive): Use
6928 avoid_arithmetics_in_type_p. Do not check for the subtypes
6931 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6934 * optabs.c (expand_doubleword_shift): Wrap the call to
6935 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6937 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6940 * optabs.c (expand_binop): Pass next_methods rather than methods
6941 to expand_doubleword_shift.
6943 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6946 * tree.h (dump_addr): Declare.
6947 * print-tree.c (dump_addr): New function.
6948 (print_node_brief, print_node): Use it.
6949 * print-rtl.c (print_rtx): Likewise.
6950 * common.opt (-fdump-noaddr): New option.
6951 * doc/invoke.texi (-fdump-noaddr): Document.
6952 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6953 (ve_info_hash): Likewise.
6955 2006-07-13 Andrew Haley <aph@redhat.com>
6957 PR tree-optimization/19505
6958 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6959 edge leaving this block, make sure that the destination of this
6960 block has only one predecessor.
6962 2006-07-17 Richard Guenther <rguenther@suse.de>
6964 PR tree-optimization/28238
6965 * tree-inline.c (copy_bb): Check if we produced valid
6966 gimple copying and substituting a stmt. If not, gimplify
6969 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6971 * optabs.c (maybe_encapsulate_block): New function extracted from...
6972 (emit_libcall_block): ...here. Invoke it on the block of insns to
6973 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6974 (emit_no_conflict_block): Likewise.
6976 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6978 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6980 2006-07-15 Roger Sayle <roger@eyesopen.com>
6982 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6983 a new NOP_EXPR case of the switch statement.
6985 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6988 * stor-layout.c (place_field): Take the bit field with
6989 an excessive size into account in the ms-bitfiled case.
6992 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6993 the previous bit field.
6995 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6998 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7000 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7002 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7003 signal frames correctly even when the signal was installed with
7006 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7008 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7009 (dbxout_function_end): Use local label LFBB. Remove hook
7011 (dbxout_source_line): Use local label LFBB.
7012 (dbxout_block): Likewise.
7013 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7014 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7015 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7016 and DBX_OUTPUT_NFUN.
7018 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7020 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7022 2006-07-13 Jan Hubicka <jh@suse.cz>
7024 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7026 * output.h (align_variable): Declare.
7027 * varasm.c (align_variable): Export.
7028 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7029 when basic block changed.
7031 2006-07-13 Nick Clifton <nickc@redhat.com>
7033 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7034 walking the LOG_LINKS chain.
7036 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7038 * doc/invoke.texi (C++ Dialect Options): Explain difference
7039 between -fvisibility-inlines-hidden and setting hidden
7040 visibility explicitly.
7042 2006-07-12 Eric Christopher <echristo@apple.com>
7044 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7045 (stmp-lipo): Depend on libgcc.a.
7047 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7049 * tree.c: Fix a comment typo.
7051 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7053 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7055 (umulhisi3_r): Likewise.
7057 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7060 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7061 x < 19, vs wchar_t support.
7063 2006-07-12 Nick Clifton <nickc@redhat.com>
7065 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7066 instead of -isa=sh4.
7068 2006-07-12 Mike Stump <mrs@apple.com>
7070 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7072 2006-07-10 Eric Christopher <echristo@apple.com>
7074 * config/t-slibgcc-darwin: Rewrite.
7076 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7079 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7082 2006-07-08 Matthias Klose <doko@debian.org>
7084 * doc/sourcebuild.texi: Fix typo.
7086 2006-07-07 Mike Stump <mrs@apple.com>
7088 * toplev.c (process_options): Don't give -ffunction-sections may
7089 affect debugging warning for Mach-O.
7091 2006-07-07 James E Wilson <wilson@specifix.com>
7093 * config/mips/mips.md (cpu): Add sb1a.
7094 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7095 addition to sb1. Adjust comments to clarify SB-1A differences from
7097 (ir_sb1a_load): New. Modify bypasses to use it.
7098 (ir_sb1a_simple_alu): Likewise.
7099 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7100 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7101 (mips_issue_rate): Add PROCESSOR_SB1A.
7102 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7103 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7104 (TARGET_SB1): Add PROCESSOR_SB1A check.
7105 (TUNE_SB1): Likewise.
7107 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7108 * config/mips/mips.c (mips_store_data_bypass_p): New.
7109 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7110 store_data_bypass_p.
7112 2006-07-08 Paul Brook <paul@codesourcery.com>
7115 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7117 2006-07-07 Richard Guenther <rguenther@suse.de>
7120 * tree.h (build_one_cst): Declare.
7121 * tree.c (build_one_cst): New function.
7122 * tree-ssa-math-opts.c (get_constant_one): Remove.
7123 (insert_reciprocals): Use build_one_cst.
7124 * fold-const.c (fold_plusminus_mult): Likewise.
7126 2006-07-07 Roger Sayle <roger@eyesopen.com>
7128 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7129 * cfgloopanal.c (dump_graph): Likewise.
7130 * dojump.c (discard_pending_stack_adjust): Likewise.
7131 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7133 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7134 * function.c (finalize_block_changes): Likewise.
7135 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7136 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7137 * rtl.c (dump_rtx_statistics): Likewise.
7138 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7140 * varray.c (dump_varray_statistics): Likewise.
7141 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7142 decode_decimal64, encode_decimal128, decode_decimal128,
7143 decimal_real_to_decimal): Likewise.
7145 2006-07-07 Richard Guenther <rguenther@suse.de>
7147 PR tree-optimization/28187
7148 * tree-vrp.c (vrp_operand_equal_p): New function.
7149 (vrp_bitmap_equal_p): Likewise.
7150 (update_value_range): Use them to compare old and new
7153 2006-07-06 Roger Sayle <roger@eyesopen.com>
7155 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7156 a default case to switch statement to silence compiler warnings.
7158 2006-07-06 Roger Sayle <roger@eyesopen.com>
7161 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7162 the configured assembler supports the x87's ffreep mnemonic.
7163 * configure: Regenerate.
7164 * config.in: Regenerate.
7166 * config/i386/i386.c (output_387_ffreep): New function.
7167 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7168 (output_387_reg_move): Likewise.
7170 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7172 Port to hosts whose 'sort' and 'tail' implementations
7173 treat operands with leading '+' as file names, as POSIX
7174 has required since 2001. However, make sure the code still
7175 works on pre-POSIX hosts.
7176 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7177 which says you should use "tail -c +N" rather than "tail +Nc".
7178 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7180 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7182 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7185 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7188 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7189 PRE_{INC,DEC} of TFmode.
7191 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7192 Alan Modra <amodra@bigpond.net.au>
7195 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7198 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7201 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7202 Remove duplicate gtu.
7204 2006-07-05 Jason Merrill <jason@redhat.com>
7208 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7209 * c-common.c (handle_packed_attribute): So don't copy it here.
7210 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7212 2006-07-05 Mike Stump <mrs@apple.com>
7214 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7216 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7219 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7221 2006-07-05 Richard Guenther <rguenther@suse.de>
7224 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7225 TARGET_SSE2 targets if using SSE math.
7226 (*absdf2_1): Likewise.
7228 2006-07-05 Richard Guenther <rguenther@suse.de>
7230 PR tree-optimization/28162
7231 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7232 make sure to convert the operands to the correct type.
7234 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7236 PR tree-optimization/28218
7238 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7239 to calculate and free the dominator information.
7241 2006-07-04 Peter O'Gorman <peter@pogma.com>
7243 * mklibgcc.in: chmod 644 before ranlib during install.
7245 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7246 J"orn Rennecke <joern.rennecke@st.com>
7248 * configure.ac (.eh_frame data check): Use diff -b.
7250 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7253 * Makefile.in (BUILD_RTL): Add build/vec.o.
7254 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7255 (build/genextract): Delete.
7256 (build/genautomata): Likewise.
7258 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7261 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7262 128-bit IBM long doubles for ABI_V4.
7264 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7266 * tree.c (range_in_array_bounds_p): New predicate.
7267 * tree.h (range_in_array_bounds_p): Declare it.
7268 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7269 return a less conservative answer.
7270 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7271 and flag 'is_group'.
7272 (IS_ELEMENT_FOR_GROUP): New macro.
7273 (FOR_EACH_ACTUAL_CHILD): Likewise.
7274 (next_child_for_group): New helper function.
7275 (can_completely_scalarize_p): Take into account groups.
7276 (sra_hash_tree): Handle RANGE_EXPR.
7277 (sra_elt_eq): Likewise.
7278 (lookup_element): Be prepared for handling groups.
7279 (is_valid_const_index): Delete.
7280 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7281 instead of is_valid_const_index.
7282 <ARRAY_RANGE_REF>: New case.
7283 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7284 is_valid_const_index.
7285 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7286 (scan_dump): Dump info for groups too.
7287 (decide_instantiation_1): Likewise.
7288 (decide_block_copy): Assert that the element is not a group.
7289 Propagate decision to groups.
7290 (generate_one_element_ref): Handle RANGE_EXPR.
7291 (mark_no_warning): Iterate over actual childs.
7292 (generate_copy_inout): Likewise.
7293 (generate_element_copy): Likewise.
7294 (generate_element_zero): Likewise.
7295 (generate_element_init_1): Likewise.
7296 (dump_sra_elt_name): Handle RANGE_EXPR.
7298 2006-07-03 Roger Sayle <roger@eyesopen.com>
7300 PR tree-optimization/26251
7301 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7302 (thread_block): When optimizing for size refuse to thread jumps
7303 that would require duplication of blocks other than redirection
7306 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7308 * configure.ac: Fix thinko in previous check-in.
7309 * configure: Regenerate.
7311 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7314 * configure.ac (for lang...): Simplify nesting of conditionals.
7315 Test subdir_requires for non-enabled languages. Move processing
7316 of lang_opt_files and lang_tree_fiels below that test.
7317 * configure: Regenerate.
7318 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7320 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7322 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7324 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7326 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7329 2006-06-29 Jason Merrill <jason@redhat.com>
7336 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7337 * c-common.c (c_determine_visibility): Handle it here.
7338 * c-decl.c (finish_decl): Call c_determine_visibility for
7340 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7342 * varasm.c (default_assemble_visibility): Likewise.
7343 * c-common.c (handle_visibility_attribute): Complain about trying
7344 to give visibility to an already defined class, or trying to change
7345 declared visibility. Always attach the attribute.
7350 * attribs.c (decl_attributes): Ignore type-in-place attributes
7351 once the type has been defined.
7353 2006-06-29 Roger Sayle <roger@eyesopen.com>
7356 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7357 to indicate the cpplib has issued an error message for us.
7359 2006-06-29 Asher Langton <langton2@llnl.gov>
7362 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7363 insert a label at the end of an function under Mach-O.
7365 2006-06-29 Eric Christopher <echristo@apple.com>
7366 Evan Cheng <evan.cheng@apple.com>
7368 * predicates.md (vector_all_ones_operand): New.
7369 (nonimmediate_or_sse_const_operand): Ditto.
7370 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7371 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7372 (standard_sse_mode_p): Ditto.
7373 (standard_sse_constant_p): Add case for -1 vector.
7374 (ix86_expand_vector_move): Try to use.
7375 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7376 Call standard_sse_constant_opcode.
7377 (*movv4sf_internal): Ditto.
7378 (*movv2df_internal): Ditto.
7380 2006-06-29 Roger Sayle <roger@eyesopen.com>
7382 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7383 of XEXP to extract the operands of a MATCH_CODE rtx.
7385 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7387 * tree.c (tree_size): Do not waste tail padding in
7388 struct tree_string and make the size be the same as
7389 build_string will generate.
7391 2006-06-28 Jason Merrill <jason@redhat.com>
7394 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7395 may_aliases already in the tag's annotations to the bitmap.
7397 2006-06-28 Roger Sayle <roger@eyesopen.com>
7399 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7401 2006-06-28 Roger Sayle <roger@eyesopen.com>
7403 * genpreds.c (generate_switch_p): New function.
7404 (add_mode_tests): Push the new mode test down inside an AND expr
7405 if this allows the switch-suitable MATCH_CODE to be near the root.
7406 (write_match_code_switch): New function to write a MATCH_CODE as
7408 (write_predicate_stmts): New function to write a predicate RTX
7409 expression as a sequence of statements.
7410 (write_one_predicate_function): Use write_predicate_stmts.
7411 (write_tm_constrs_h): Likewise.
7413 2006-06-26 Fred Fish <fnf@specifix.com>
7415 * config/mips/t-sb1: New file.
7416 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7419 2006-06-26 DJ Delorie <dj@redhat.com>
7421 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7423 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7424 Jayant Sonar <jayants@kpitcummins.com>
7425 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7427 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7428 (subsi3, subsi3_1, subsi3_2): New.
7429 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7430 * config/m32c/mov.md (SI mov peephole): New.
7431 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7432 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7434 2006-06-26 Olivier Hainque <hainque@adacore.com>
7436 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7437 a CALL_EXPR target function declaration.
7439 2006-06-26 Richard Guenther <rguenther@suse.de>
7441 * tree.c (build_string): Do not waste tail padding in
7444 2006-06-26 Richard Guenther <rguenther@suse.de>
7446 * ggc-page.c (init_ggc): Add missing element to size_lookup
7450 2006-06-23 Richard Guenther <rguenther@suse.de>
7452 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7453 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7454 alignment requests instead. Add verification code.
7455 Add struct tree_function_decl and struct tree_binfo size to
7456 extra_order_size_table. Add missing element to size_lookup
7459 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7462 * fold-const.c (const_binop): Be prepared for self returning zero.
7463 Simplify code handling complex values.
7465 2006-06-24 Olivier Hainque <hainque@adacore.com>
7467 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7468 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7471 2006-06-24 Olivier Hainque <hainque@adacore.com>
7473 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7474 ARRAY_REF, so have the callback called for the low bound expression.
7476 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7478 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7479 * c-typeck.c (c_common_type): Disallow operations on decimal float
7480 types and other float types.
7481 * convert.c (convert_to_real): Don't ignore conversions involving
7482 decimal float types.
7484 2006-06-23 Olivier Hainque <hainque@adacore.com>
7486 * tree.c (max_int_size_in_bytes): New function, inspired from
7487 code in function.c:assign_temp.
7488 * tree.h (max_int_size_in_bytes): Declare.
7489 * function.c (assign_temp): Use it.
7490 * gimplify.c (create_tmp_var): Relax the assertions on the type
7491 properties, not mandating constant size any more.
7492 (force_constant_size): New static function.
7493 (gimple_add_tmp_var): Use it, forcing variable size to a
7494 constant upper bound if it is not constant on entry.
7496 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7499 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7500 for initialization and setting of one_only flag to ...
7501 (i386_pe_encode_section_info): ...here.
7502 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7503 Recheck that the symbol has not been defined.
7505 2006-06-23 Richard Guenther <rguenther@suse.de>
7507 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7508 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7509 alignment requests instead. Add verification code.
7510 Add struct tree_function_decl and struct tree_binfo size to
7511 extra_order_size_table. Add missing element to size_lookup
7514 2006-06-22 Roger Sayle <roger@eyesopen.com>
7515 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7518 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7519 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7521 2006-06-23 Ben Elliston <bje@au.ibm.com>
7523 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7524 negate dn -- manipulate it directly.
7526 2006-06-22 Roger Sayle <roger@eyesopen.com>
7527 Steven Bosscher <stevenb.gcc@gmail.com>
7530 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7531 generated by gen_move_insn to add REG_LABEL notes if necessary.
7533 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7535 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7536 (leaf_entry): Remove use of MIN_ESA.
7538 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7540 PR rtl-optimization/28121
7541 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7544 2006-06-21 DJ Delorie <dj@redhat.com>
7546 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7548 (mulhisi3_r): Likewise.
7550 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7553 * coverage.c (coverage_counter_alloc): Leave the index type
7555 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7558 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7560 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7561 section from the "Options for Code Generation Conventions".
7563 2006-06-21 Richard Henderson <rth@redhat.com>
7567 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7569 (global_symbolic_operand): Allow weak symbols, even if local_p.
7571 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7573 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7574 (find_interesting_uses_address): Punt if above function returns true.
7576 2006-06-21 Richard Guenther <rguenther@suse.de>
7578 * configure: Regenerated.
7580 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7582 * config/mips/mips.c (function_arg): Where one part of a
7583 complex argument is in registers and the other part in the stack,
7584 return a REG not a PARALLEL.
7586 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7588 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7589 when cross-compiling. Do not substitute libstdcxx_incdir.
7590 * configure: Regenerated.
7592 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7594 * varasm.c (mergeable_string_section): Check for embedded NULs and
7595 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7596 rather than TREE_STRING_LENGTH bytes.
7598 2006-06-21 Richard Guenther <rguenther@suse.de>
7600 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7601 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7604 2006-06-21 Richrad Guenther <rguenther@suse.de>
7606 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7607 Limit iteration over the dominators.
7609 2006-06-20 Roger Sayle <roger@eyesopen.com>
7611 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7612 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7614 2006-06-20 Richard Guenther <rguenther@suse.de>
7615 Michael Matz <matz@suse.de>
7617 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7619 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7620 * et-forest.h (et_free_pools): Prototype new function.
7621 * et-forest.c (et_free_tree_force): Free parent occurrence.
7622 (et_free_pools): New function.
7623 * dominance.c (free_dominance_info): Free et-forest alloc
7626 2006-06-20 Roger Sayle <roger@eyesopen.com>
7628 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7629 integer modes, attempt to directly construct an integer constant.
7631 * fold-const.c (native_encode_vector): Determine the size of each
7632 element from the vector type instead of the first vector element.
7634 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7635 if all of its elements/components are constant.
7636 (build_constructor_from_list): Likewise.
7638 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7640 PR tree-optimization/27331
7641 * tree-data-ref.c (free_data_ref): New function.
7642 (create_data_ref): Fail if the data reference has unknown access
7644 (free_data_refs): Use free_data_ref.
7646 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7649 * tree-inline.c (setup_one_parameter): Strip useless
7650 type conversion before adding it to the IR.
7651 (declare_return_variable): Likewise.
7653 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7656 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7658 2006-06-19 Mike Stump <mrs@apple.com>
7660 * tree.c (variably_modified_type_p): VM arguments don't make the
7663 2006-06-19 Richard Guenther <rguenther@suse.de>
7665 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7666 type conversions after folding.
7668 2006-06-19 Richard Guenther <rguenther@suse.de>
7670 * ggc-page.c (extra_order_size_tab): Add entries with
7671 size of struct function and basic_block.
7672 (size_lookup): Extend to cover sizes up to 511.
7673 (ggc_alloc_stat): Adjust user.
7674 (ggc_pch_count_object): Likewise.
7675 (ggc_pch_alloc_object): Likewise.
7676 (ggc_pch_write_object): Likewise.
7678 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7680 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7681 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7684 2006-06-19 Denis Chertykov <denisc@overta.ru>
7686 * config/avr/libgcc.S : Correct my wrong previous commit.
7688 2006-06-19 Roger Sayle <roger@eyesopen.com>
7691 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7692 have stripped a SUBREG from the shift count, so we may need to
7693 convert_to_mode back to the type's mode before calling make_tree.
7694 Use new_amount instead of amount to avoid expanding a tree twice.
7696 2006-06-19 Richard Guenther <rguenther@suse.de>
7699 * fold-const.c (operand_equal_p): Check if the argument types
7700 have the same precision before stripping NOPs.
7702 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7704 Fix PR tree-optimization/27341
7705 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7707 * tree-complex.c (pass_lower_complex): Update SMT usage.
7709 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7711 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7712 Add a new alternative to the constraint strings. Add move of
7713 operand 1 to 3 to the splitter definition.
7714 ("doloop_si_long"): Second contraint alternative removed.
7716 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7718 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7719 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7721 (AVR_HAVE_MOVW) Define.
7722 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7723 (ASM_SPEC): Add avr25.
7724 (LINK_SPEC): Add avr25.
7725 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7726 (base_arch_s): Add new member 'have_movw_lpmx'.
7727 (avr_arch_types): Init 'have_movw_lpmx'.
7728 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7729 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7730 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7731 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7732 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7734 (avr_file_start): Do not output '.arh' derective.
7735 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7736 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7737 * config/avr/avr.md (mcu_enhanced): Delete.
7738 (mcu_have_movw): Define.
7739 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7740 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7741 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7742 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7743 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7744 attiny861 and at86rf401 devices.
7746 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7748 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7751 2006-06-17 Karl Berry <karl@gnu.org>
7753 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7754 doc/gccint.texi, doc/install.texi (@dircategory): Use
7755 "Software development" instead of "Programming", following
7756 the Free Software Directory.
7758 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7760 * config/i386/i386.c (legitimate_tls_address)
7761 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7762 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7763 (*tls_dynamic_gnu2_combine_64): Likewise.
7765 2006-06-16 Richard Guenther <rguenther@suse.de>
7768 * fold-const.c (negate_expr_p): Do not introduce undefined
7769 overflow in negating INTEGER_CSTs.
7770 (fold_negate_expr): Rename from negate_expr. Revert last
7771 change for folding BIT_NOT_EXPR. Change semantics to
7772 return NULL_TREE for non-simplified negations. Do not
7773 strip type conversions and unify type handling.
7774 (negate_expr): New function, wrap around fold_negate_expr
7775 but ensure building a tree always. Strip type conversions
7776 here, fold to result type.
7777 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7779 2006-06-16 Roger Sayle <roger@eyesopen.com>
7782 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7783 that (would) return their results in stack registers.
7785 2006-06-16 Michael Matz <matz@suse.de>
7786 Richard Guenther <rguenther@suse.de>
7788 * fold-const.c (fold_truthop): Only return new tree node if
7789 we canonicalized something.
7791 2006-06-16 Richard Guenther <rguenther@suse.de>
7793 * function.h (enum function_frequency): Move declaration
7794 out of struct function.
7795 (struct function): Move bool fields and the enum to the bitfield
7796 section. Reorder elements to avoid padding. Remove unused
7797 fields left over from the RTL inliner removal.
7798 * function.c (free_after_compilation): Do not zero removed fields.
7799 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7800 (ipa-type-escape.o): Likewise.
7802 2006-06-16 Richard Guenther <rguenther@suse.de>
7804 * cgraph.h (struct cgraph_local_info): Turn bool elements
7806 (struct cgraph_node): Likewise.
7807 (struct cgraph_varpool_node): Likewise.
7809 2006-06-15 Richard Guenther <rguenther@suse.de>
7811 * fold-const.c (fold_truth_not_expr): Rename from
7812 invert_truthvalue. Give it fold_* semantics to avoid
7814 (invert_truthvalue): New function. Wrapper around
7815 fold_truth_not_expr.
7816 (optimize_minmax_comparison): Avoid creating garbage.
7817 (fold_unary): Use fold_truth_not_expr for folding
7819 (fold_ternary): Replace uses of invert_truthvalue with
7820 fold_truth_not_expr where applicable.
7821 * tree.h (fold_truth_not_expr): Prototype.
7823 2006-06-16 Richard Guenther <rguenther@suse.de>
7825 PR tree-optimization/27781
7826 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7827 * ipa-pure-const.c (target.h): Include.
7828 (analyze_function): Do not analyze functions that do not
7831 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7834 * tree-dfa.c (referenced_vars_dup_list): Remove.
7835 (find_referenced_vars): Remove assert.
7836 (referenced_var_check_and_insert): Replace dup list with assert.
7837 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7838 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7840 2006-06-15 Richard Guenther <rguenther@suse.de>
7842 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7843 extra unused identifiers if not dumping.
7844 (create_variable_info_for): Likewise.
7846 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7848 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7849 (derive_constant_upper_bound): Derive more precise upper bound in
7850 common cases. Return type changed to double_int.
7851 (record_estimate): Reflect the changed return type of
7852 derive_constant_upper_bound.
7853 * double-int.c (double_int_zext, double_int_sext): Fix.
7855 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7857 * configure.ac (CFLAGS): Get them from the toplevel or from the
7858 configure invocation.
7859 * configure: Regenerate.
7860 * Makefile.in (CFLAGS): Substitute value provided by configure.
7862 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7865 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7866 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7867 rather than calling add_stmt on it.
7868 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7870 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7873 * reload1.c (reload): Remove registers returned by update_eliminables
7874 from used_spill_regs.
7876 2006-06-13 DJ Delorie <dj@redhat.com>
7878 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7880 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7882 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7883 html__strip_dir, html__mkdir_p. Enhance install-html target.
7884 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7885 * configure: Regenerate.
7887 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7889 * fold-const.c (fold_cond_expr_with_comparison): Check for
7890 Objective-C++ as language in deciding COND_EXPR transformation.
7892 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7895 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7896 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7897 * config/sh/lib1funcs.h (SL, SL1): Define.
7898 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7899 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7900 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7901 (OBJS_Os_4_200): New variable.
7902 ($(T)libgcc-Os-4-200.a): Use it.
7903 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7904 when dividing 1 and/or by 0.
7906 2006-06-13 Roger Sayle <roger@eyesopen.com>
7908 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7909 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7910 * configure: Regenerate.
7912 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7914 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7915 for real instruction.
7917 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7920 * haifa-sched.c (check_cfg): Handle special case.
7922 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7925 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7926 Add debug_info parameter. Chain the vars to the BLOCK instead
7927 of the BIND_EXPR if debug info are requested for them.
7928 (pop_gimplify_context): Adjust for above change.
7929 (gimple_add_tmp_var): Likewise.
7930 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7932 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7933 (convert_local_reference): Likewise.
7934 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7935 (finalize_nesting_tree_1): Request that debug info be emitted
7936 for debug_var_chain.
7938 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7940 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7941 for PR target/27863.
7943 2006-06-13 Richard Guenther <rguenther@suse.de>
7946 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7948 2006-06-13 Richard Guenther <rguenther@suse.de>
7950 PR tree-optimization/27830
7951 * tree-inline.c (copy_body_r): For copying the operand
7952 of an ADDR_EXPR make sure to fold &* afterwards.
7954 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7956 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7957 lvalues in the fb_none case with side-effects.
7959 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7961 * tree-flow.h: Remove the prototype for
7962 compute_phi_arg_on_exit.
7963 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7964 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7967 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7969 * builtins.c (expand_builtin_return_addr): Only use
7970 frame_pointer_rtx when count == 0 and we are expanding
7971 __builtin_return_address.
7973 2006-06-12 Fred Fish <fnf@specifix.com>
7975 * config/mips/mips.c (mips_file_start): Create special section
7976 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7978 2006-06-11 Eric Christopher <echristo@apple.com>
7981 * stor-layout.c (place_field): Remove check for
7982 remaining_in_alignment when aligning at the end of a run.
7984 2006-06-11 Eric Christopher <echristo@apple.com>
7987 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7990 2006-06-11 Roger Sayle <roger@eyesopen.com>
7993 Revert incorrect fix for PR target/27158
7994 2006-05-08 Roger Sayle <roger@eyesopen.com>
7995 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7996 of a reg_equiv_constant if the result is a legitimate constant.
7998 2006-06-11 Roger Sayle <roger@eyesopen.com>
8001 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8002 extract a CONST_VECTOR element and interpret it as an integer.
8003 (vspltis_constant): Use const_vector_elt_as_int instead of the
8004 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8005 * config/rs6000/predicates.md (easy_vector_const): Consider
8006 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8008 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8011 * stor-layout.c (update_alignment_for_field): Don't add extra
8012 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8015 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8017 * config/mips/t-rtems: Add EL/EB multilib variants.
8019 2006-06-09 Mike Stump <mrs@apple.com>
8021 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8023 2006-06-09 David Daney <ddaney@avtrex.com>
8025 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8027 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8029 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8031 2006-06-09 Richard Guenther <rguenther@suse.de>
8033 PR tree-optimization/26998
8034 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8035 of signed types, only TYPE_MIN_VALUE is special, but for both,
8036 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8037 in this case, as is -fwrapv.
8039 2006-06-08 Mike Stump <mrs@apple.com>
8042 * config/darwin.c (darwin_asm_output_anchor): Disable
8043 -fsection-anchors on darwin for now.
8044 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8045 * rs6000/rs6000.c (optimization_options): Likewise.
8047 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8050 * config/i386/i386.c (classify_argument): Skip fields with invalid
8053 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8055 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8056 (cse_insn): Likewise for the stack_pointer_rtx.
8058 2006-06-08 Roger Sayle <roger@eyesopen.com>
8060 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8061 conditions from floating point comparisons.
8063 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8066 * expmed.c (struct alg_hash_entry): Fix type of field T
8067 to match synth_mult argument.
8068 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8070 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8073 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8076 2006-06-08 Richard Guenther <rguenther@suse.de>
8079 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8080 only, if overflow is defined and not trapping.
8081 (negate_expr): Likewise.
8083 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8085 PR tree-optimization/27872
8086 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8087 flag on the new exit edge of the unrolled loop.
8089 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8091 PR rtl-optimization/26449
8092 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8094 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8097 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8098 referenced_variables with matching DECL_UID's.
8099 (find_referenced_vars): Make sure duplicate list is empty to start.
8100 (referenced_var_p): Remove.
8101 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8102 Check if var is in the list, and add if needed. Update the duplicate
8103 list if a different var is in the list with the same DECL_UID.
8104 (add_referenced_var): Call routine to check and insert.
8105 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8106 * tree-flow.h (referenced_vars_dup_list): External declaration.
8108 2006-06-07 Fred Fish <fnf@specifix.com>
8110 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8113 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8116 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8117 the imaginary and real parts of a clobbered register.
8118 Emit insn to set the imaginary part.
8120 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8122 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8123 in lieu of unwind-dw2-fde.c.
8125 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8127 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8129 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8132 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8133 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8134 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8135 V4SImode temporaries and operations instead.
8137 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8139 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8142 2006-06-06 Mike Stump <mrs@apple.com>
8144 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8145 installing during build.
8147 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8149 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8151 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8152 * config/ia64/ia64.c (params.h): New header.
8153 (ia64_optimization_options): New function to adjust parameters.
8154 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8155 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8156 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8158 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8160 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8162 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8165 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8167 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8168 Victor Kaplansky <victork@il.ibm.com>
8170 PR tree-optimization/26360
8171 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8174 2006-06-04 Roger Sayle <roger@eyesopen.com>
8175 Andrew Pinski <pinskia@physics.uc.edu>
8178 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8179 for LABEL_DECL before calling DECL_WEAK.
8182 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8183 LABEL_DECL and PARM_DECL.
8185 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8189 * c-decl.c (grokdeclarator): Disallow variably modified types at
8190 file scope. Avoid marking shared array type of constant size as
8193 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8196 * c-common.c (fold_offsetof_1): Handle static members.
8198 2006-06-04 Eric Christopher <echristo@apple.com>
8200 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8201 (debug_rli): Output value for remaining_in_alignment.
8202 (update_alignment_for_field): Unconditionalize
8203 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8204 extra alignment code.
8205 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8206 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8207 * tree.h (record_layout_info_s): Remove prev_packed.
8208 * doc/extend.texi (ms_struct): Add documentation of format.
8210 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8212 * tree.h: Declare folding_initializer.
8213 * builtins.c (fold_builtin_constant_p): Give definite answer
8214 if folding inside an initializer.
8215 * fold-const.c: Define folding_initializer.
8216 (START_FOLD_INIT): Save and then set folding_initializer.
8217 (END_FOLD_INIT): Restore folding_initializer.
8219 2006-06-04 Richard Guenther <rguenther@suse.de>
8221 PR tree-optimization/27039
8222 * fold-const.c (fold_comparison): Handle pointer comparison
8223 again for all comparison codes. Compare offsets in signed
8225 (fold_binary): Move code from here.
8227 2006-06-03 Roger Sayle <roger@eyesopen.com>
8230 * config/i386/i386.c (construct_container): Split static issued_error
8231 flag into issued_sse_arg_error, issued_sse_ret_error and
8232 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8233 requires the use of x87 registers and the user explicitly
8234 specified the -mno-80387 command line option.
8236 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8238 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8239 HAVE_DECL_SIGALTSTACK.
8241 (segv_handler): Use MC_FLD.
8242 * configure.ac: Check for a sigaltstack declaration.
8243 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8244 * configure: Regenerate.
8245 * config.in: Regenerate.
8247 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8250 * Makefile.in (stmp-fixinc): Fix typo.
8252 2006-06-02 Roger Sayle <roger@eyesopen.com>
8254 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8255 are type correct. Clean-up.
8256 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8257 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8259 2006-06-01 DJ Delorie <dj@redhat.com>
8261 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8262 shift, as we've disabled the "switch" insn that needs it.
8264 2006-06-01 Per Bothner <bothner@bothner.com>
8266 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8267 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8268 * c-ppoutput.c (cb_define): Don't increment line 0.
8270 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8272 * doc/invoke.texi: Add cpu_type power6.
8273 * config.gcc: Add cpu_type power6.
8274 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8275 to power5+ with Altivec.
8276 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8277 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8279 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8281 * config/avr/avr.h (SET_ASM_OP): Define.
8283 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8285 * config/bfin/bfin.c: Fix comment typos.
8287 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8290 * doc/install.texi: Document --enable-bootstrap and
8291 --disable-bootstrap.
8293 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8295 * doc/install.texi: Document that InfoZIP can replace jar.
8297 2006-05-31 Roger Sayle <roger@eyesopen.com>
8299 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8300 isn't available, directly generate the simpler x87 patterns without
8301 the (use (const_int 0)).
8302 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8303 implementation isn't available.
8304 (*negdf2_1): Likewise.
8305 (*negxf2_1): XF mode negation is always done using the x87.
8306 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8308 2006-05-31 Roger Sayle <roger@eyesopen.com>
8310 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8311 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8313 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8315 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8317 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8318 * config/bfin/bfin.c (basic-block.h): Include.
8319 (struct machine_function): New.
8320 (bfin_init_machine_status): New.
8321 (override_options): Initialize init_machine_status.
8322 (bfin_hardware_loop): New.
8323 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8324 (DEF_VEC_P (loop_info)): New.
8325 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8326 (struct loop_info): New.
8327 (loop_info): New typedef.
8328 (struct loop_work): New.
8329 (loop_work): New typedef.
8330 (DEF_VEC_O (loop_work)): New.
8331 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8332 (bfin_dump_loops): New.
8333 (bfin_bb_in_loop): New.
8334 (bfin_scan_loop): New.
8335 (bfin_optimize_loop): New.
8336 (bfin_reorg_loops): New.
8337 (bfin_reorg): Use bfin_reorg_loops.
8338 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8340 (I_REGNO_P): Simplify.
8341 (DP_REGNO_P, DPREG_P): New macros.
8342 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8343 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8344 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8345 Add LT_REGS, LC_REGS, LB_REGS.
8346 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8348 (REGNO_REG_CLASS): Deal with loop registers.
8349 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8351 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8352 New constants for loop registers.
8353 (UNSPEC_LSETUP_END): New.
8354 (seq_insns): New define_attr. Set it for appropriate insns.
8355 (movsi_insn): Add alternatives for move from/to
8356 loop count registers.
8357 (doloop_end): New define_expand.
8358 (loop_end): New define_insn.
8359 (define_split for bad doloop_end): New.
8360 (lsetup_with_autoinit): New define_insn.
8361 (lsetup_without_autoinit): New define_insn.
8362 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8363 * config/bfin/predicates.md (lc_register_operand): New.
8364 (lt_register_operand): New.
8365 (lb_register_operand): New.
8366 (nondp_register_operand): New.
8367 (nondp_reg_or_memory_operand): New.
8368 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8370 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8372 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8373 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8375 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8377 * Makefile.in (CATALOGS): Add po/ prefix.
8378 * configure: Regenerated.
8380 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8383 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8384 a shift operand before calling shift_op. Avoid redundant call of
8387 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8388 DJ Delorie <dj@redhat.com>
8390 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8391 we're inserting is a singlt-bit constant.
8393 2006-05-30 Roger Sayle <roger@eyesopen.com>
8395 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8396 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8398 2006-05-30 Roger Sayle <roger@eyesopen.com>
8400 PR tree-optimization/23452
8401 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8402 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8403 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8404 complex values and with -ffast-math for FP complex values.
8406 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8408 * c-common.h: Remove the prototype for yyparse.
8409 * rtl.h: Remove the prototype for init_loop.
8411 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8413 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8416 2006-05-30 Roger Sayle <roger@eyesopen.com>
8418 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8420 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8421 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8423 2006-05-30 Dirk Mueller <dmueller@suse.de>
8426 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8427 for CONSTANT_CLASS_P expresisons.
8429 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8432 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8434 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8436 PR tree-optimization/27779
8437 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8438 initial_condition instead of CHREC_LEFT.
8440 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8442 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8443 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8444 Make prototypes ISO C90.
8446 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8447 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8449 * see.c (see_analyze_one_def): Correct check.
8450 (see_get_extension_data): Check if extension is parallel.
8451 (see_get_extension_reg): Likewise.
8453 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8456 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8457 into register for (code == GTU).
8459 2006-05-29 Roger Sayle <roger@eyesopen.com>
8461 PR tree-optimization/24964
8462 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8463 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8464 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8465 abs(x)*abs(x) as x*x for scalar floating point modes.
8467 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8470 * lambda-code.c (perfect_nestify): Don't copy statements
8471 in the inner loop: move them to the inner loop header.
8473 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8476 * c-tree.texi: Document OpenMP directives and clauses.
8478 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8480 * varasm.c (globalize_decl): Fix indentation.
8482 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8485 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8486 pass_fre, pass_store_ccp, pass_copy_prop,
8487 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8488 pass_return_slot, pass_object_size, pass_lim,
8489 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8490 pass_loop_prefetch and pass_stdarg.
8492 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8494 * config/bfin/bfin.opt (mfdpic): New option.
8495 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8496 (EXTRA_MULTILIB_PARTS): Likewise.
8497 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8498 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8500 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8501 (CRT_CALL_STATIC_FUNCTION): New.
8502 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8504 (CRT_CALL_STATIC_FUNCTION): New.
8505 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8507 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8508 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8509 (initialize_trampoline): Changed to handle FD-PIC code generation.
8510 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8511 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8512 (override_options): Disallow -mid-shared-library -mfdpic combination.
8513 Can't do unaligned ops if FD-PIC.
8514 Turn off flag_pic if trying to generate non-id-shared-library
8515 non-fdpic code, since it's not supported.
8516 (bfin_assemble_integer): New function.
8517 (TARGET_ASM_INTEGER): Define.
8518 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8520 * config/bfin/crtn.s: Restore them.
8521 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8523 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8524 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8525 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8526 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8527 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8529 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8530 FDPIC_REGS and FDPIC_FPTR_REGS.
8531 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8532 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8533 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8534 (load_funcdescsi): New pattern.
8535 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8536 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8537 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8539 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8541 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8544 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8546 * tree-flow.h: Remove the prototype for add_type_alias.
8547 * tree-ssa-alias.c (add_type_alias): Remove.
8549 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8551 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8552 config/fr30/fr30.md, config/i386/i386-interix.h,
8553 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8554 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8555 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8556 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8557 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8558 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8559 Follow spelling conventions.
8560 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8561 Follow spelling conventions.
8563 2006-05-27 Richard Guenther <rguenther@suse.de>
8566 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8567 to produce a constant of value 1 of generic type.
8569 2006-05-27 Dirk Mueller <dmueller@suse.de>
8571 * cgraphunit.c (decide_is_function_needed): Fix wrong
8574 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8576 PR rtl-optimization/27661
8577 * reload.c (find_reloads): When reloading a VOIDmode constant
8578 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8579 use Pmode as mode of the reload register.
8581 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8583 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8584 is enabled at -O and above.
8586 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8589 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8592 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8595 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8596 for anonymous variables explicitly declared by front ends.
8598 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8600 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8601 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8602 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8603 ref-all pointers, run a finalization pass for them.
8604 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8605 (finalize_ref_all_pointers): New function.
8606 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8607 regular pointer type to a ref-all pointer type.
8608 (get_tmt_for): Return the special memory tag for ref-all pointers.
8610 2006-05-25 Richard Guenther <rguenther@suse.de>
8613 * fold-const.c (fold_binary): Do not look at the stripped
8614 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8616 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8618 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8619 for LT and GT if the computed range is effectively empty.
8621 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8624 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8625 mips_quad_format formats instead of ieee_single_format,
8626 ieee_double_format and ieee_quad_format formats, respectively.
8628 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8630 PR tree-optimization/27639
8631 PR tree-optimization/26719
8632 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8633 call to scev_probably_wraps_p.
8634 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8635 used_in_pointer_arithmetic_p, convert_step): Removed.
8636 (nowrap_type_p): New function.
8637 (scev_probably_wraps_p): Rewritten.
8638 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8639 chrec_convert if chrec_convert_aggressive might have been used.
8640 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8641 scev_direction): New functions.
8642 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8643 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8644 instead of convert_step.
8645 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8646 (convert_step): Declaration removed.
8647 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8649 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8651 * df-core.c: Added to header comments.
8652 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8653 df_ur_bb_info, df_urec_bb_info): Added comments.
8654 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8655 urec, ri problems): Fixed header comments.
8656 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8657 code from df_rd_transfer_function.
8659 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8661 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8662 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8663 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8665 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8667 * expr.c (undefined_operand_subword_p): New.
8668 (emit_move_multi_word): Do not generate move from undefined bits
8669 of a paradoxical subreg.
8671 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8673 PR rtl-optimization/27736
8674 * combine.c (replaced_rhs_value): New variable.
8675 (combine_instructions): Set it.
8676 (distribute_notes): When distributing a note in replaced_rhs_insn,
8677 check whether the value was used in replaced_rhs_value.
8679 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8682 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8683 add_referenced_var instead of add_referenced_tmp_var.
8684 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8685 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8687 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8688 tree_optimize_tail_calls_1): Use add_referenced_var.
8689 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8690 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8691 Use add_referenced_var.
8692 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8693 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8694 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8695 Use add_referenced_var.
8696 * tree-dfa.c (struct walk_state): Remove.
8697 (find_referenced_vars): Remove walk state and vars_found hash table.
8698 (make_rename_temp): Use add_referenced_var.
8699 (find_vars_r): Pass less parameters to add_referenced_var.
8700 (referenced_var_p): New. Is var in referenced_var hash table.
8701 (referenced_var_insert): Assert var isn't already in hash table.
8702 (add_referenced_var): Don't need walk_state parameter. Add var if it
8703 isn't already in the hash table.
8704 (add_referenced_tmp_var): Remove.
8705 (find_new_referenced_vars_1): Use add_referenced_var.
8706 * tree-ssa-pre.c (create_expression_by_pieces,
8707 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8708 Use add_referenced_var.
8709 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8710 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8711 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8713 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8714 vect_create_data_ref_ptr, vect_create_destination_var,
8715 vect_init_vector, vect_build_loop_niters,
8716 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8717 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8718 Use add_referenced_var.
8719 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8720 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8721 (add_referenced_var): Add prototype.
8722 * tree-ssa-structalias.c (get_constraint_for,
8723 intra_create_variable_infos): Use add_referenced_var.
8725 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8727 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8728 big-endian paradoxical subregs.
8729 * var-tracking.c (struct micro_operation_def): Document that,
8730 for modify micro operations, insn is the subsequent instruction.
8731 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8732 (var_reg_set, var_mem_set): ... new functions.
8733 (add_stores): Record subsequent insn.
8734 (compute_bb_dataflow): Use new functions for MO_USE.
8735 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8736 notes after the insn, and modify notes before the insn known
8737 to be the subsequent one.
8738 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8740 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8743 * config/i386/i386.c (ix86_expand_builtin): Use
8744 gen_sse3_monitor64 for TARGET_64BIT.
8746 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8748 PR rtl-optimization/26375
8749 PR rtl-optimization/26855
8750 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8752 (df_ru_bb_local_compute): Reversed statements and removed bogus
8753 comment explaining why they should be in wrong order.
8754 (df_ru_dump, df_rd_dump): Enhanced debug info.
8755 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8757 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8758 reaching uses and fixed space problem.
8760 2006-05-23 Jan Hubicka <jh@suse.cz>
8762 * cgraphunit.c (decide_is_function_needed): Also nested functions
8763 and functions declared inline can be optimized out at -O0.
8765 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8767 * doc/install.texi (Configuration): Remove reference to CrossGCC
8771 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8774 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8775 ix86_compare_emitted is non-NULL.
8777 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8780 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8783 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8785 PR rtl-optimization/25514
8786 * combine.c (replaced_rhs_insn): New variable.
8787 (combine_instructions): Set replaced_rhs_insn when trying to replace
8788 a SET_SRC with a REG_EQUAL note.
8789 (distribute_notes): Use replaced_rhs_insn when determining the live
8790 range of a REG_DEAD register.
8792 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8793 Anatoly Sokolov <aesok@post.ru>
8795 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8796 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8797 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8798 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8799 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8800 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8801 at90usb647, at90usb1286 and at90usb1287 devices.
8802 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8803 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8805 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8807 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8809 2006-05-22 Richard Guenther <rguenther@suse.de>
8812 2006-01-31 Richard Guenther <rguenther@suse.de>
8813 Paolo Bonzini <bonzini@gnu.org>
8815 * doc/install.texi (--disable-libgcc-math): Document.
8817 2006-05-22 Richard Guenther <rguenther@suse.de>
8820 2006-01-31 Richard Guenther <rguenther@suse.de>
8822 * doc/invoke.texi (-msselibm): Document.
8823 * target.h (expand_library_builtin): New target hook.
8824 * builtins.c (expand_builtin): Use expand_library_builtin.
8825 (default_expand_library_builtin): New function.
8826 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8827 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8828 (link_gcc_math_spec): Declare.
8829 (static_specs): Add link_gcc_math_spec.
8830 * expr.h (default_expand_library_builtin): Declare.
8831 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8832 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8833 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8834 * config/i386/i386.opt (msselibm): New target option.
8835 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8836 (ix86_init_sse_abi_builtins): New function.
8837 (ix86_expand_library_builtin): Likewise.
8838 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8839 (override_options): Handle error conditions wrt -msselibm.
8840 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8841 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8842 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8845 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8848 * c-common.c (self_promoting_args_p): Skip erroneous args.
8851 * c-decl.c (finish_struct): Skip erroneous fields.
8853 2006-05-22 Nick Clifton <nickc@redhat.com>
8855 * config/cris/cris.opt (march): Remove VarExists attribute.
8856 (max-stackframe=): Likewise.
8858 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8860 * doc/rtl.texi: Fix a typo.
8861 * see.c: Fix comment typos.
8863 * tree-ssa-structalias.h (alias_info): Remove num_references.
8865 2006-05-21 Mike Stump <mrs@apple.com>
8867 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8869 (darwin_pragma_options): Use BAD instead.
8870 (darwin_pragma_unused): Likewise.
8871 (darwin_pragma_ms_struct): Likewise.
8873 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8875 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8877 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8879 PR rtl-optimization/27671
8880 * simplify-rtx.c (simplify_relational_operation_1): Fix
8881 simplifications of (eq/ne (xor x y) y) and
8882 (eq/ne (xor x y) x).
8884 PR tree-optimization/26622.
8885 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8888 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8890 * tree-cfg.c: Prune whitespace.
8891 (debug_tree_cfg): Point to correct header containing the
8894 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8897 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8899 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8902 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8903 or sorry count is non zero.
8905 2006-05-20 Andreas Schwab <schwab@suse.de>
8907 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8909 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8910 Kenneth Zadeck <zadeck@naturalbridge.com>
8912 PR rtl-optimization/26855
8914 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8916 (df_scan_alloc): Added code to properly handle multiword hard
8917 registers and add all_blocks parameter.
8918 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8919 code to properly handle multiword hard registers.
8920 (df_rescan_blocks): Added code to remove deleted blocks from
8922 (df_ref_create_structure, df_ref_record): Added code to properly
8924 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8925 and set DF_REF_PARTIAL.
8926 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8927 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8928 (df_scan_add_problem): Added flags parameter.
8929 (df_ref_create_structure): Changed switching structure.
8930 (df_bb_refs_record): Fixed case where duplicate artificial refs
8931 were created. Changed location of flags.
8932 (df_record_entry_block_defs): Added code to make stack pointer
8933 live in entry block. Refined cases where frame pointer is needed.
8934 Changed location of flags.
8935 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8936 (df_set_state): Removed function.
8937 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8938 df_insn_create_insn_record, df_insn_refs_delete,
8939 df_ref_create_structure): Formatting changes.
8940 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8941 df_delete_basic_block): New function.
8942 (df_init): Changed location of flags.
8943 (df_add_problem): Added flags parameter and the way flags are
8945 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8946 debug_df_chain): Improved debugging output.
8947 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8948 (df_refs_chain_dump): Removed df parameter.
8949 (df_iterative_dataflow): Added consistency check.
8950 (df_prune_to_subcfg): Made public.
8951 (df_analyze_problem): Added blocks_to_init parameter and made
8953 (df_ref_record, df_bb_refs_record, df_mark_reg,
8954 df_record_exit_block_uses): Whitespace changes.
8955 (df_dump): Whitespace changes.
8956 * df.h: Some reordering to remove forward references.
8957 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8958 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8959 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8960 (dataflow.flags): New field.
8961 (df.flag): Deleted field.
8962 (df_alloc_function): Added additional bitmap parameter.
8963 (df_dependent_problem_function): New type.
8964 (df_problem.changeable_flags): New field.
8965 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8966 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8967 (df_mw_hardreg): New struct.
8968 (DF_INSN_UID_MWS): New macro.
8969 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8971 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8972 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8973 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8974 (df_set_state): Removed function.
8975 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8976 * df-problems.c (df_chain_dump): Removed df parameter.
8977 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8978 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8980 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8981 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8982 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8983 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8984 DF_REF_MUST_CLOBBER cases.
8985 (df_ru_bb_local_compute_process_def,
8986 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8987 df_lr_bb_local_compute, df_ur_bb_local_compute,
8988 df_chain_create_bb): Made subreg aware.
8989 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8990 df_lr_bb_local_compute, df_lr_bb_local_compute,
8991 df_chain_create_bb): Cleanup to use proper macros.
8992 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8993 code to fixup bitvectors.
8994 (df_ri_alloc): Cleared lifetime.
8995 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8996 df_create_unused_note): New function.
8997 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8998 REG_DEAD and REG_UNUSED notes as well as register information.
8999 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9000 df_chains_dump): Fixed crash if problem was never run.
9001 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9002 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9003 df_ri_add_problem): Processes flags in uniform manner.
9004 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9005 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9006 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9007 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9008 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9009 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9010 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9011 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9012 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9013 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9014 * see.c (see_initialize_data): Ditto.
9015 * final.c (rest_of_clean_state) Added regstack_completed.
9016 * rtl.h (regstack_completed): Ditto.
9017 * reg-stack.c (regstack_completed): Ditto.
9019 2006-05-19 Mike Stump <mrs@apple.com>
9021 * c-tree.h (default_conversion): Remove.
9022 * c-common.h (default_conversion): Add.
9024 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9026 * tree-vrp.c (valid_value_p): New function.
9027 (adjust_range_with_scev): Fail if the value of bound is not
9030 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9032 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9033 (mips_fallback_frame_state): Use syscall numbers to determine
9034 the appropriate li instruction for the current ABI. Only use
9035 __NR_sigreturn for o32.
9037 2006-05-19 Nicolas Setton <setton@adacore.com>
9039 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9040 * langhooks.c (lhd_dwarf_name): New function.
9041 * langhooks-def.h (lhd_dwarf_name): Declare.
9042 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9043 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9045 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9047 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9049 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9050 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9051 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9052 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9053 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9054 determine the size of Wtype, etc.
9055 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9056 (swfloatfuncs): New variable.
9057 (dwfloatfuncs): Likewise.
9058 (lib2funcs): Remove floating-point conversion functions from
9059 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9060 the set of conversion routines needed. Allow entries to specify
9061 an object name, filename and word size. Update users accordingly.
9062 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9063 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9067 2006-02-08 Roger Sayle <roger@eyesopen.com>
9070 * config/fixtfdi.c: New libgcc source file.
9071 * config/fixunstfdi.c: New source file.
9072 * config/floatditf.c: New source file.
9073 * config/floatunditf.c: New souce file.
9074 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9075 files above instead of config/mips/_tilib.c.
9076 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9078 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9080 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9081 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9083 2006-05-18 Mike Stump <mrs@apple.com>
9085 Fix up vla, vm and [*] sematics.
9091 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9092 (c_vla_unspec_p): Add.
9093 (c_vla_type_p): Add.
9094 * c-decl.c (struct c_scope): Add had_vla_unspec.
9095 (build_array_declarator): Add support for [*].
9096 (grokdeclarator): Likewise.
9097 (grokparms): Likewise.
9098 (get_parm_info): Likewise.
9099 * c-objc-common.c (c_vla_unspec_p): Likewise.
9100 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9101 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9102 typeof when argument is a variably modified type not inside sizeof or alignof.
9103 (c_parser_direct_declarator_inner): Propagate errors.
9104 (c_parser_sizeof_expression): Add support for [*].
9105 (c_parser_parms_declarator): Initialize had_vla_unspec.
9106 (c_parser_parms_list_declarator): Likewise.
9107 * c-typeck.c (c_vla_type_p): Add.
9108 (composite_type): Add support for vla compositing.
9109 (comptypes_internal): Add support for vla compatibility.
9110 (c_expr_sizeof_expr): Evaluate vla arguments.
9111 * tree.c (variably_modified_type_p): Update comment for [*].
9113 2006-05-18 Michael Matz <matz@suse.de>
9116 * config.host: Make assignments to host_xmake_file cumulative.
9117 * config.host (*-darwin*): Test $host, not $target.
9119 2006-05-12 Stuart Hastings <stuart@apple.com>
9121 * config/i386/i386.opt (-mstackrealign): New flag.
9122 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9123 (ix86_handle_cconv_attribute): Emit error when
9124 force_align_arg_pointer attribute collides with too many regparms.
9125 (ix86_function_regparm): Limit regparms when used with
9126 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9127 Support stack-realigning prologue in non-main functions. Emit
9128 warning for nested functions under -mstackrealign, emit error for
9129 nested functions with force_align_arg_pointer attribute.
9130 * doc/extend.texi (force_align_arg_pointer): Document it.
9131 * doc/invoke.texi (-mstackrealign): Document it.
9133 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9135 PR rtl-optimization/27477
9136 * combine.c (try_combine): Don't split a parallel consisting
9137 of two sets into two individual sets if both sets reference
9140 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9142 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9143 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9145 * doc/options.texi (VarExists): Updated.
9147 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9149 * unwind-dw2.c: Add declarations for uw_update_context and
9151 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9152 detected, advance frame state and context once to skip over stub.
9154 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9158 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9159 Call rewrite_into_loop_closed_ssa only when something changed.
9160 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9161 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9162 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9163 Test for perfect_nest_p here. Fix formating.
9164 (replace_uses_equiv_to_x_with_y): Fix formating.
9165 (stmt_uses_op): Removed.
9166 (can_convert_to_perfect_nest): Removed loopivs parameter.
9167 Complete the test by checking the scalar dependences.
9168 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9171 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9174 From Dan Kegel <dank@kegel.com>:
9175 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9177 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9179 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9180 if the element type is variably modified without recursing.
9182 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9185 * tree-loop-linear.c (try_interchange_loops): Test for
9186 no data dependences.
9188 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9190 PR tree-optimization/27548
9191 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9192 range of ssa names that appear on abnormal edges.
9193 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9194 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9196 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9199 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9201 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9204 * tree.h (OMP_PARALLEL_COMBINED): Define.
9205 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9206 (new_omp_context): Add is_combined_parallel argument.
9207 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9208 new_omp_context caller.
9209 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9210 Adjust gimplify_scan_omp_clauses callers.
9211 (omp_is_private): Issue errors if iteration variable is firstprivate
9212 or reduction in the current context.
9213 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9214 on combined parallel workshare constructs.
9216 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9218 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9219 (gcc-options.o): New rule.
9221 * optc-gen.awk: Protect variables for gcc-options.o with
9222 #ifdef GCC_DRIVER/#endif.
9224 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9226 Fix PR tree-optimization/27373
9227 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9228 (forward_propagate_addr_expr): Update call.
9230 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9232 * doc/options.texi: Move the Negative option.
9234 2006-05-16 Richard Guenther <rguenther@suse.de>
9236 PR tree-optimization/22303
9237 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9239 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9240 ccp_fold did not simplify the statement.
9242 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9245 * Makefile.in (GCC_OBJS): New.
9246 (OBJS-common): Add opts-common.o.
9247 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9248 (cpp$(exeext)): Likewise.
9249 (gcc.o): Also depend on opts.h.
9250 (opts-common.o): New.
9252 * common.opt (gcoff): Add Negative(gdwarf-2).
9253 (gdwarf-2): Add Negative(gstabs).
9254 (gstabs): Add Negative(gstabs+).
9255 (gstabs+): Add Negative(gvms).
9256 (gvms): Add Negative(gxcoff).
9257 (gxcoff): Add Negative(gxcoff+).
9258 (gxcoff+): Add Negative(gcoff).
9259 * config/i386/i386.opt (m32): Add Negative(m64).
9260 (m64): Add Negative(m32).
9262 * doc/options.texi: Document the Negative option.
9264 * gcc.c: Include "opts.h".
9265 (main): Call prune_options after expandargv.
9267 * optc-gen.awk: Generate common declarations for all flag
9268 variables in options.c. Output the neg_index field.
9270 * opts.c (find_opt): Moved to ...
9271 * opts-common.c: Here. New file.
9273 * opts.h (cl_option): Add a neg_index field.
9275 (prune_options): Likewise.
9277 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9280 * omp-low.c (expand_omp_parallel): Don't assert
9281 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9282 instead search for it.
9285 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9288 2006-05-16 Andreas Schwab <schwab@suse.de>
9290 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9293 2006-05-15 Roger Sayle <roger@eyesopen.com>
9296 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9297 integer constants other than zero are only legitimate on TARGET_64BIT.
9298 <CONST_VECTOR> Only zero vectors are legitimate.
9299 (ix86_cannot_force_const_mem): Integral and vector constants can
9300 always be put in the constant pool.
9302 2006-05-16 DJ Delorie <dj@redhat.com>
9304 * crtstuff.c (__dso_handle): Set section from
9305 TARGET_LBIGCC_SDATA_SECTION if defined.
9306 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9307 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9309 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9312 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9315 2006-05-16 Ben Elliston <bje@au.ibm.com>
9317 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9319 2006-05-15 Per Bothner <per@bothner.com>
9321 * tree.c: (last_annotated_node): Use source_locus typedef.
9322 This permits bootstrapping with --enable-mapped-location.
9324 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9326 PR tree-optimization/26830
9327 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9328 (info_for_ssa_name, current_info_for_ssa_name_age,
9329 blocks_to_update): New variables.
9330 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9331 (clear_ssa_name_info, initialize_flags_in_bb,
9332 mark_block_for_update): New functions.
9333 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9334 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9335 prepare_def_site_for): Use mark_block_for_update.
9336 (mark_def_interesting): Assert that the processed block is marked in
9337 blocks_to_update. Do not take blocks argument.
9338 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9340 (rewrite_update_init_block, rewrite_update_stmt): Only process
9341 blocks with statements to rewrite.
9342 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9343 (update_ssa): Initialize and free blocks_to_update. Do not
9344 clear flags on statements. Do not use blocks bitmap.
9345 * tree.h (SSA_NAME_AUX): Removed.
9346 (struct tree_ssa_name): Removed aux field.
9347 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9349 2006-05-15 Richard Guenther <rguenther@suse.de>
9351 PR tree-optimization/27603
9352 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9353 Do computations in original type.
9355 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9357 * see.c: Code style changes such as redundant paranthesis,
9358 redundant intialization of local variables etc.
9359 (see_main): Declared now as static.
9360 * doc/invoke.texi: Update that -fsee is not enabled by
9363 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9365 * omp-low.c (check_omp_nesting_restrictions): New function.
9366 (scan_omp_1): Call it.
9369 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9370 construct, return *VAR.
9372 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9374 PR rtl-optimization/27406
9375 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9378 2006-05-14 Roger Sayle <roger@eyesopen.com>
9380 PR rtl-optimization/27538
9381 * combine.c (expand_compound_operation): Call gen_lowpart
9382 before calling simplify_shift_const.
9384 2006-05-14 Roger Sayle <roger@eyesopen.com>
9386 PR rtl-optimization/22563
9387 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9388 a fixed width bitfield, always force the intermediates into psuedos.
9390 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9393 * mkconfig.sh: Use operator = instead of == for test.
9395 2006-05-13 Nick Clifton <nickc@redhat.com>
9397 * dwarf2out.c (dbx_reg_number): Check return value from
9398 LEAF_REG_REMAP and only use it if it is valid.
9399 (multiple_reg_loc_descriptor): Likewise.
9401 2006-05-13 Richard Guenther <rguenther@suse.de>
9403 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9406 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9408 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9409 information attached to non-INSNs such as NOTEs.
9410 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9412 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9414 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9416 * config/s390/s390.md: Adjust comment describing On constraint.
9418 2006-05-11 Jan Hubicka <jh@suse.cz>
9420 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9421 to be output at -O0.
9423 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9426 * fold-const.c (size_binop): Move sanity check for arguments to
9427 the beginning of the function.
9430 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9433 2006-05-11 Richard Guenther <rguenther@suse.de>
9436 * fold-const.c (fold_unary): Handle intermediate conversion
9437 to a pointer type like intermediate conversion to an integer
9438 type in folding of (T1)(T2)var to var.
9439 Match the code to the comment in the final conversion for
9440 (T1)(T2)var to (T1)var regarding to type precision. Rather
9441 than disallow T1 being of pointer type, assert that both T1
9442 and var are of pointer type or not. Make sure not to fall
9443 over the frontends lazyness wrt array to pointer decay though.
9445 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9447 * arm.c (arm_struct_value_rtx): Delete.
9448 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9449 (arm_init_cumulative_args): Always initialize nregs to zero.
9451 2006-05-10 Richard Guenther <rguenther@suse.de>
9453 PR tree-optimization/27532
9454 * tree-object-size.c (plus_expr_object_size): Fix typo.
9456 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9459 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9460 ashrdi_const, ashrdi3): Use a scratch register.
9462 2006-05-10 Richard Guenther <rguenther@suse.de>
9464 PR tree-optimization/27302
9465 * fold-const.c (operand_equal_p): For two comparisons,
9466 try comparison of one comparison code swapped if that yields
9469 2006-05-10 Ben Elliston <bje@au.ibm.com>
9471 * tree-pretty-print.c (pretty_print_string): No need to handle
9472 '\0' as a special character.
9474 * tree.h: Include "hashtab.h".
9475 (iterative_hash_expr): Use hashval_t in its prototype.
9476 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9478 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9481 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9482 (hppa*64*-*-hpux11*): Ditto.
9483 (hppa[12]*-*-hpux11*): Ditto.
9485 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9488 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9490 2006-05-09 Michael Matz <matz@suse.de>
9492 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9493 host_extra_gcc_objs and host_xmake_file.
9494 (<*-*-linux*>): Don't overwrite host_xmake_file.
9495 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9496 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9497 (host_detect_local_cpu): Declare.
9498 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9499 * config/i386/i386.c (override_options): Handle -mtune=native
9501 * config/i386/x-i386: New file.
9502 * config/i386/driver-i386.c: New file.
9503 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9506 2006-05-09 Dirk Mueller <dmueller@suse.de>
9507 Richard Guenther <rguenther@suse.de>
9510 * fold-const.c (fold_read_from_constant_string): Relax check
9511 for matching types to matching modes.
9513 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9515 PR rtl-optimization/27335
9516 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9519 2006-05-08 Chao-ying Fu <fu@mips.com>
9520 Richard Sandiford <richard@codesourcery.com>
9522 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9523 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9524 * config/mips/mips.md (UNSPEC_SCC): New constant.
9525 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9526 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9527 (mips_emit_compare): Use it.
9528 (mips_expand_vcondv2sf): New function.
9530 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9532 Fix PR tree-optimization/27093
9533 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9534 renaming when they become not-used_alone.
9536 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9538 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9539 relocation and relocation stubs.
9541 2006-05-08 Eric Christopher <echristo@apple.com>
9543 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9546 2006-05-08 Jan Hubicka <jh@suse.cz>
9549 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9550 unused static functions are needed.
9552 2006-05-08 Roger Sayle <roger@eyesopen.com>
9555 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9556 of a reg_equiv_constant if the result is a legitimate constant.
9558 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9561 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9562 standard 80387 constants, raise the cost to prevent
9563 compress_float_constant() to generate load from memory.
9565 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9567 * config/arm/constraints.md (c): Fix a typo.
9569 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9572 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9575 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9577 (_mm_mwait): Likewise.
9579 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9581 (sse3_monitor): Make it 32bit only.
9582 (sse3_monitor64): New. 64bit monitor.
9584 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9587 * config/i386/i386.c (classify_argument): Skip fields with invalid
9590 2006-05-07 Richard Guenther <rguenther@suse.de>
9592 PR tree-optimization/27409
9593 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9594 Do not try to find zero-sized subvars.
9596 2006-05-07 Richard Guenther <rguenther@suse.de>
9598 PR tree-optimization/27136
9599 * tree-ssa-loop-niter.c (get_val_for): Correct function
9600 comment, assert requirements.
9601 (loop_niter_by_eval): Stop processing if the iterated
9602 value did not simplify.
9604 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9606 * opts.c (flag_see): remove its setting at -O3.
9608 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9610 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9611 * arm/constraints.md: New file.
9612 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9613 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9614 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9615 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9616 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9617 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9618 * arm.md: Include constraints.md.
9619 (thumb_movsi_insn): Use satisfies_constraint_J.
9620 (movhi, movqi): Use satisfies_constraint_I.
9622 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9624 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9625 for atmeg a645 device.
9627 2006-05-06 Richard Guenther <rguenther@suse.de>
9629 PR tree-optimization/27151
9630 * tree-vect-transform.c (vectorizable_condition): Punt on
9631 values that have a different type than the condition.
9633 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9636 * c-parser.c (c_parser_cast_expression): Only insert casts into
9637 hash table if pointer.
9638 * function.c (used_types_insert_helper): Rename from
9640 (used_types_insert): Call used_types_insert_helper.
9641 * function.h (used_types_insert): Accept only one argument.
9643 2006-05-05 David Edelsohn <edesohn@gnu.org>
9645 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9646 scratch with output modifier.
9648 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9651 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9652 with output modifier.
9654 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9657 * config/mips/mips.c (mips_symbolic_address_p): Return true
9658 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9659 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9661 2006-05-04 Richard Guenther <rguenther@suse.de>
9663 PR tree-optimization/14287
9664 PR tree-optimization/14844
9665 PR tree-optimization/19792
9666 PR tree-optimization/21608
9667 PR tree-optimization/27090
9668 * tree-ssa-pre.c (try_combine_conversion): New function.
9669 (compute_avail): After constructing the value-handle
9670 expression, use try_combine_conversion to combine NOP_EXPRs
9671 with previous value-handle expressions and use the result if it
9674 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9676 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9678 2006-05-04 Jan Hubicka <jh@suse.cz>
9681 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9683 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9685 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9686 that this only matches CONST_INTs. All users changed to VOIDmode
9689 * config/bfin/bfin.c: Include "optabs.h".
9690 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9692 (enum bfin_builtins): Add a number of fractional and vector builtins.
9693 (bfin_init_builtins): Likewise.
9694 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9695 (safe_vector_operand, bfin_expand_binop_builtin,
9696 bfin_expand_unop_builtin): New functions.
9697 (bfin_expand_builtin): Handle the new builtins.
9698 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9701 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9704 * Makefile.in (OBJS-common): Add see.o.
9705 (see.o): Add dependencies.
9706 * common.opt (fsee): New flag for the see optimization was added.
9707 * opts.c (flag_see): Initialized.
9708 * passes.c (init_optimization_passes, pass_see): New pass.
9709 * rtl.h (see_main): Declaration as extern.
9710 * timevar.def (TV_SEE): New.
9711 * tree-pass.h (pass_see): Declaration as extern.
9712 * invoke.texi (-fsee): Document.
9713 * recog.c (validate_simplify_insn): New function.
9714 * recog.h (validate_simplify_insn): Declaration as extern.
9715 * df-problems.c (df_chain_dump): Check for NULL.
9717 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9718 Daniel Berlin <dberlin@dberlin.org>
9720 * cfgrtl.c (insert_insn_bb_end_new): New function.
9721 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9723 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9725 * df.h (struct web_entry): Moved from web.c.
9726 (union_defs): Declaration as extern.
9727 (unionfind_root): Likewise.
9728 (unionfind_union): Likewise.
9729 * web.c (struct web_entry): Moved to df.h.
9730 (unionfind_root): Remove static declaration.
9731 (unionfind_union): Likewise.
9732 (union_defs): Likewise and generalize to use callback function.
9733 (web_main): Update arguments for union_defs function call.
9735 2006-05-04 Richard Guenther <rguenther@suse.de>
9737 PR tree-optimization/26447
9738 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9739 produce SSA_NAME copies before the store stmt to avoid
9740 breaking exception handling.
9742 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9745 * gimplify.c (omp_is_private): If var is shared in some outer context,
9746 return false instead of true. Stop searching on parallel context
9749 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9752 * coverage.c: Use get_gcov_unsigned_t() instead of
9753 unsigned_type_node all over.
9755 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9757 PR tree-optimization/27381
9758 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9759 maintain the same immediate_use links.
9760 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9761 node rather than segfaulting.
9763 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9766 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9767 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9768 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9770 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9772 Fix PR tree-optimization/26626
9773 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9775 * tree-ssa-operands.c (access_can_touch_variable): Allow
9776 typecasting through union pointers.
9778 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9781 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9782 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9783 to find if var will be a global variable even in the nested context.
9784 (omp_copy_decl): Only check for global variable at the end, it might
9785 be overridden in outer contexts.
9786 (scan_sharing_clauses): For global variables don't create a field.
9787 (lower_rec_input_clauses): Do nothing for global shared variables.
9788 Emit a barrier at the end of ILIST if there were any decls in both
9789 firstprivate and lastprivate clauses.
9790 (lower_send_clauses): Do nothing for global variables except for
9793 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9795 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9796 of the correct signedness is returned.
9798 2006-05-02 Jeff Law <law@redhat.com>
9800 PR tree-optimization/27364
9801 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9802 multiply expressions.
9804 2006-05-02 Tom Tromey <tromey@redhat.com>
9806 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9808 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9811 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9812 -mthumb -fPIC are used.
9814 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9815 Joshua Kinard <kumba@gentoo.org>
9818 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9819 with 64-bit pointers.
9821 2006-05-02 Paul Brook <paul@codesourcery.com>
9823 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9825 (create_fix_barrier): Check that a suitable barrier location is
9827 (arm_reorg): Include ftmp->address in allowable range of addresses.
9829 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9832 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9835 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9838 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9839 around RESULT_DECL for result passed by reference.
9840 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9841 * omp-low.c (use_pointer_for_field): Don't look at
9842 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9843 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9844 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9845 time or var for passing by reference for
9846 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9847 TREE_ADDRESSABLE variables when passing by reference.
9849 * omp-low.c (dump_omp_region): Fix output formatting.
9852 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9853 (expand_omp_parallel): Likewise.
9854 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9857 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9858 on statement list containing also constructors and destructors.
9859 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9862 * except.c (duplicate_eh_regions): Fix clearing of
9863 cfun->eh->region_array entries.
9865 2006-05-01 DJ Delorie <dj@redhat.com>
9867 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9869 (gcc_cv_objdump): Likewise.
9870 * configure: Regenerated.
9872 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9875 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9876 templates for case 3 and 4.
9878 2006-05-01 DJ Delorie <dj@redhat.com>
9880 * vec.c: Include bconfig.h when appropriate.
9881 * Makefile.in (build/vec.o): Adjust dependencies.
9882 * mkconfig.sh: Make sure config.h isn't used for build machine
9885 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9887 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9889 (mark_phi_for_rewrite): New function.
9890 (insert_phi_nodes_for, mark_use_interesting): Call
9891 mark_phi_for_rewrite.
9892 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9893 (update_ssa): Initialize and free phis_to_rewrite.
9895 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9897 PR rtl-optimization/27291
9898 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9899 folded to a constant.
9901 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9903 PR tree-optimization/27283
9904 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9905 not whole # of iteration descriptions.
9906 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9907 uses abnormal ssa name.
9908 (niter_for_single_dom_exit): Ditto.
9909 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9910 return just the number of iterations.
9912 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9914 PR tree-optimization/27144
9915 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9916 (record_estimate): Only record constant upper bound.
9917 (infer_loop_bounds_from_undefined): Call
9918 compute_estimated_nb_iterations just once.
9919 (proved_non_wrapping_p): Renamed to ...
9920 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9921 (convert_step_widening, scev_probably_wraps_p): Call
9922 n_of_executions_at_most instead of proved_non_wrapping_p.
9923 (substitute_in_loop_info): Do not replace values in bounds.
9924 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9927 2006-05-01 Richard Henderson <rth@redhat.com>
9930 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9931 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9934 2006-05-01 Roger Sayle <roger@eyesopen.com>
9936 * c-typeck.c (parser_build_binary_op): Don't call the function
9937 unsigned_conversion_warning to spot operand/result type overflow.
9938 (build_binary_op): Instead, call convert_and_check instead of
9939 convert to report the problem when the operands are promoted.
9940 * c-common.c (unsigned_conversion_warning): Make static.
9941 * c-common.h (unsigned_conversion_warning): Delete prototype.
9943 2006-05-01 Richard Guenther <rguenther@suse.de>
9945 PR tree-optimization/26726
9946 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9948 (find_interesting_uses_address): ... we work around here
9949 by folding INDIRECT_REFs in the substituted base.
9951 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9953 * omp-low.c (dump_omp_region): Add newlines.
9955 2006-04-30 Roger Sayle <roger@eyesopen.com>
9957 * common.opt (Woverflow): New command line option.
9958 * c-common.c (constant_expression_warning): Check warn_overflow.
9959 (overflow_waring): Pass OPT_Woverflow to warning.
9960 (unsigned_conversion_warning): Likewise.
9961 (convert_and_check): Likewise.
9962 * doc/invoke.texi: Document new command line option.
9964 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9966 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9967 TARGET_NO_FP_IN_TOC for section anchors.
9968 (optimization_options): Enable section anchors for all
9969 non-"Objective" languages.
9971 2006-04-28 Eric Christopher <echristo@apple.com>
9973 * config/darwin-c.c (darwin_ms_struct): Move this
9974 (darwin_set_default_type_attributes): and this...
9975 * config/darwin.c: ... here.
9976 * config/darwin.h (darwin_ms_struct): Declare.
9978 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9980 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9982 2006-04-28 Roger Sayle <roger@eyesopen.com>
9985 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9986 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9987 an unsigned HOST_WIDE_INT.
9988 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9990 (really_start_incremental_init): No need to call convert because
9991 bitsize_zero_node is already of type bitsizetype.
9992 (push_init_level): Extract the value of constructor_index as an
9993 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9994 (process_init_element): Likewise.
9996 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9998 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9999 value before passing to make_relative_prefix.
10001 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10003 PR middle-end/27260
10004 * builtins.c (expand_builtin_memset): Expand val in original mode.
10006 2006-04-27 Eric Christopher <echristo@apple.com>
10008 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10009 with #ifndef/#endif.
10010 * config/darwin-c.c (darwin_ms_struct): New.
10011 (darwin_pragma_ms_struct): Ditto.
10012 (darwin_set_default_type_attributes): Ditto.
10013 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10014 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10015 Register ms_struct pragma.
10016 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10017 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10018 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10019 darwin_set_default_type_attributes if TARGET_MACHO.
10021 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10023 PR tree-optimization/26854
10024 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10025 * doc/tree-ssa.texi: Update immuse iterator documentation.
10026 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10028 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10029 first_safe_imm_use, next_safe_imm_use): Remove.
10030 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10031 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10032 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10033 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10034 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10035 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10036 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10037 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10038 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10039 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10040 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10041 (perfect_nestify): Use new iterator.
10042 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10044 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10045 (next_imm_name): New field in struct immediate_use_iterator_d.
10046 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10047 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10048 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10049 * tree-cfg.c (replace_uses_by): Use new iterator.
10050 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10051 * tree-ssa-operands.c (correct_use_link): Remove.
10052 (finalize_ssa_use_ops): No longer call correct_use_link.
10054 2006-04-27 Stuart Hastings <stuart@apple.com>
10056 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10057 * config/t-darwin (crt3.o): Use it.
10058 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10059 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10060 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10061 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10062 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10065 2006-04-27 Roger Sayle <roger@eyesopen.com>
10067 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10068 size, force the intermediate into a new pseudo rather instead of
10069 performing both a bitwise AND and a bitwise IOR in memory.
10071 2006-04-27 Richard Guenther <rguenther@suse.de>
10073 PR rtl-optimization/26685
10074 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10075 this one "max-flow-memory-locations".
10077 2006-04-27 Richard Guenther <rguenther@suse.de>
10079 PR tree-optimization/25148
10080 * tree-vrp.c (compare_values): Remove code dealing with
10081 comparisons against type min/max value. Honour overflow
10082 and negative constants in code dealing with comparisons
10083 of plus and minus expressions.
10084 (value_inside_range): Use fold_binary with LE_EXPR and
10085 GE_EXPR rather than compare_values.
10087 2006-04-27 Dirk Mueller <dmueller@suse.de>
10089 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10092 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10094 * basic-block.h (safe_insert_insn_on_edge): Removed.
10095 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10097 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10098 Paolo Bonzini <bonzini@gnu.org>
10100 PR middle-end/27282
10101 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10102 (simplify_and_const_int): Same.
10104 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10106 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10108 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10111 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10112 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10113 cgraph_global_info_ready.
10115 PR middle-end/26913
10116 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10119 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10120 either decl or init is error_mark_node.
10122 PR middle-end/25989
10123 * tree-flow.h (struct omp_region): Add sched_kind.
10124 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10125 instead of extracting omp for data.
10126 (expand_omp_for): Save extracted sched_kind.
10128 2006-04-25 Roger Sayle <roger@eyesopen.com>
10130 * expmed.c (store_bit_field): Also check whether the bitsize is
10131 valid for the machine's "insv" instruction before moving the
10132 target into a pseudo for use with the insv.
10133 * config/i386/predicates.md (const8_operand): New predicate.
10134 * config/i386/i386.md (extv, extzv, insv): Use the new
10135 const8_operand predicate where appropriate.
10137 2006-04-25 DJ Delorie <dj@redhat.com>
10139 * doc/install.texi (Specific): Clarify that this is not a list of
10140 supported hosts or targets.
10142 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10144 PR rtl-optimization/26725
10145 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10146 block's BB_DIRTY flag.
10148 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10150 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10153 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10154 to print an integer.
10156 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10158 * varasm.c (align_variable): New function.
10159 (get_block_for_decl): Apply align_variable to DECL before
10160 calculating section information.
10161 (assemble_variable): Split out alignment computation.
10163 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10165 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10168 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10170 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10171 MODE_PARTIAL_INT mode.
10172 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10173 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10175 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10176 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10178 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10180 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10182 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10183 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10184 MACFLAG_IH): Likewise.
10185 (movstricthi_1): Renamed from "*movstricthi".
10186 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10187 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10188 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10189 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10190 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10191 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10192 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10193 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10194 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10195 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10196 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10197 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10198 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10199 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10200 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10202 * doc/rtl.texi (ss_ashift): Improve wording.
10204 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10206 * dwarf2out.c (verify_marks_clear): New.
10207 (prune_unused_types): Call verify_marks_clear initially, not
10210 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10212 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10213 * doc/rtl.texi: Document them.
10214 * simplify-rtx.c (simplify_unary_operation,
10215 simplify_binary_operation_1): Don't abort when we see them.
10217 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10220 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10221 * configure.ac: Completely disregard languages that are not
10223 * configure: Regenerated.
10225 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10226 Richard Guenther <rguenther@suse.de>
10228 PR tree-optimization/27236
10229 * tree-inline.c (copy_body_r): Make sure to copy
10230 TREE_THIS_VOLATILE flag.
10232 2006-04-24 Richard Guenther <rguenther@suse.de>
10234 PR middle-end/26869
10235 * tree-complex.c (update_parameter_components): Don't handle
10236 unused parameters which have no default def.
10238 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10239 Richard Guenther <rguenther@suse.de>
10241 PR tree-optimization/27218
10242 * tree-inline.c (expand_call_inline): Strip useless type
10243 conversions for the return slot address.
10245 2006-04-24 Richard Guenther <rguenther@suse.de>
10247 * cfgloop.h (struct loops): Remove unused field array. Reorder
10249 (LOOP_PREFETCH): Remove.
10251 2006-04-24 Richard Guenther <rguenther@suse.de>
10253 PR tree-optimization/22525
10254 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10255 variable, adjust types of generated expressions.
10257 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10259 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10260 (tree-vect-patterns.o): Likewise.
10261 (jump.o): Likewise.
10262 (cselib.o): Likewise.
10263 (loop-doloop.o): Likewise.
10264 (regclass.o): Likewise.
10265 (reload1.o): Likewise.
10266 (explow.o): Replace target.h with $(TARGET_H).
10267 (ipa-prop.o): Likewise.
10268 (ipa-cp.o): Likewise.
10269 (ipa-inline.o): Likewise.
10270 (reorg.o): Likewise.
10271 (reg-stack.o): Likewise.
10273 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10275 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10277 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10279 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10281 * configure.ac: Completely disregard languages that are not
10283 * configure: Regenerated.
10286 * c-common.h (c_build_bitfield_integer_type): Declare.
10287 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10288 * c-common.c (c_build_bitfield_integer_type): ... here.
10290 2006-04-23 Roger Sayle <roger@eyesopen.com>
10293 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10294 a SImode SUBREG of a floating point register after no_new_pseudos.
10296 2006-04-23 Roger Sayle <roger@eyesopen.com>
10298 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10299 identify potentially eliminable registers to additionally catch
10300 VIRTUAL_INCOMING_ARGS_REGNUM.
10301 (addsi3): Update the conditions on when to use addsi_small_int.
10303 2006-04-23 Roger Sayle <roger@eyesopen.com>
10306 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10307 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10308 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10310 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10312 * fold-const.c (range_predecessor): Use operand_equal_p
10313 as the predicate for equality.
10314 (range_successor): Likewise.
10316 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10319 * config/soft-fp/op-common.h: Fix a typo.
10321 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10323 PR libmudflap/26864
10324 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10325 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10327 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10329 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10331 * doc/tm.texi: Fix a typo.
10333 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10335 * dwarf2out.c (struct die_struct): Document that die_sib makes
10336 a circular linked list.
10337 (FOR_EACH_CHILD): New.
10338 (reverse_die_lists): Delete.
10339 (reverse_all_dies): Delete.
10340 (add_dwarf_attr): Correct documentation.
10341 (remove_child_with_prev): New.
10342 (remove_child_TAG): Update for change to die_struct, use
10343 remove_child_with_prev.
10344 (add_child_die): Update for change to die_struct.
10345 (splice_child_die): Use remove_child_with_prev and add_child_die.
10346 (print_die): Use FOR_EACH_CHILD.
10347 (die_checksum): Likewise.
10348 (assign_symbol_names): Likewise.
10349 (output_location_lists): Likewise.
10350 (build_abbrev_table): Likewise.
10351 (calc_die_sizes): Likewise.
10352 (mark_dies): Likewise.
10353 (unmark_dies): Likewise.
10354 (unmark_all_dies): Likewise.
10355 (output_die): Likewise.
10356 (prune_unused_types_mark): Likewise.
10357 (prune_unused_types_walk): Likewise.
10358 (same_die_p): Update for change to die_struct.
10359 (break_out_includes): Likewise.
10360 (prune_unused_types_prune): Likewise.
10361 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10362 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10363 it's already clear.
10364 (dwarf2out_finish): Don't call reverse_all_dies.
10366 2006-04-21 Eric Christopher <echristo@apple.com>
10368 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10369 in comments and function names.
10371 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10374 * c-typeck.c (digest_init): Robustify.
10376 * c-typeck.c (pop_init_level): Simplify.
10378 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10380 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10382 2006-04-21 Paul Brook <paul@codesourcery.com>
10384 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10385 hardware floating point.
10387 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10389 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10392 2006-04-21 Nick Clifton <nickc@redhat.com>
10394 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10397 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10400 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10401 C++ lang type in traceback table for Objective-C++.
10403 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10405 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10407 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10409 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10412 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10413 were errors. Remove check for erroneous objects.
10415 2006-04-20 Jeff Law <law@redhat.com>
10417 PR tree-optimization/26854
10418 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10419 checking for zero or one use.
10420 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10421 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10422 * tree-ssa-reassoc.c (negate_value): Similarly.
10423 (reassociate_bb): Similarly.
10425 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10427 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10428 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10429 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10431 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10433 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10434 fp regs if the last fp arg doesn't fit in regs.
10436 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10439 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10440 that the last insn has the REG_INC note.
10442 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10443 Nathan Sidwell <nathan@codesourcery.com>
10446 * stor-layout.c (update_alignment_for_field): Do not align
10448 (place_union_field): Place union field at the start of the union.
10449 (place_field): Move ERROR_MARK check later, and use the current
10450 allocation position to maintain monotonicity.
10452 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10454 * dominance.c: Include timevar.h.
10455 (calculate_dominance_info): Use TV_DOMINANCE.
10456 * timevar.def (TV_DOMINANCE): New timevar.
10457 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10459 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10461 PR rtl-optimization/14261
10462 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10463 move would be an INSV insn.
10464 (noce_process_if_block): Don't optimize if the destination is a
10465 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10467 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10469 * config/s390/s390.md: Add comments with the instructions emitted
10470 by an insn pattern if macros are used.
10472 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10474 PR rtl-optimization/26026
10475 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10476 is a known power of two shifted left a variable amount.
10478 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10480 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10481 to hash table twice when the debug_str section has SECTION_MERGE.
10483 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10485 * config/soft-fp: New directory. From glibc.
10486 * config/soft-fp/t-softfp: New.
10487 * config/soft-fp/README: New.
10488 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10489 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10490 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10491 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10492 * config.gcc: Use rs6000/t-fprules-fpbit or
10493 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10495 * config/rs6000/sfp-machine.h: New. Based on glibc.
10496 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10498 * config/rs6000/t-fprules: Remove fp-bit rules.
10499 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10500 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10501 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10502 (softfp_wrap_start, softfp_wrap_end): New.
10504 2006-04-18 DJ Delorie <dj@redhat.com>
10506 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10508 2006-04-18 Devang Patel <dpatel@apple.com>
10510 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10512 2006-04-18 Nick Clifton <nickc@redhat.com>
10514 * config/sh/t-symbian: Add rule to build sh-c.o
10515 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10516 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10517 (sh_symbian_encode_section_info): Likewise.
10519 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10521 * builtins.c (expand_builtin_strcmp): Cover label definition of
10522 do_libcall with HAVE_cmpstrnsi.
10524 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10526 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10528 * function.h (temp_slot_p): New.
10529 (function): Change the type of x_used_temp_slots to
10530 VEC(temp_slot_p,gc) *.
10532 2006-04-18 Nick Clifton <nickc@redhat.com>
10534 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10535 flag_strength_reduce.
10537 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10539 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10543 Partial revert of revision 112637
10544 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10545 Dale Johannesen <dalej@apple.com>
10548 * regclass.c (struct reg_pref): Update documentation.
10549 (regclass): Set prefclass to NO_REGS if memory is the best option.
10550 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10552 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10554 PR tree-optimization/26821
10555 * tree-ssa-math-opts.c (get_constant_one): New.
10556 (insert_reciprocals): Use it.
10558 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10560 * dwarf2out.c (free_AT): Delete.
10561 (remove_AT): Update string ref counts.
10562 (remove_child_TAG): Don't call free_die.
10563 (free_die): Delete.
10564 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10565 or DW_TAG_GNU_EINCL.
10566 (prune_unused_types_walk_attribs): Reset string refcounts.
10567 (prune_unused_types_update_strings): New.
10568 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10569 call free_die. Do call prune_unused_types_update_strings.
10570 (prune_unused_types): Empty debug_str_hash.
10572 2006-04-17 Roger Sayle <roger@eyesopen.com>
10574 * expr.c (expand_assignment): Optimize away no-op moves where the
10575 source and destination are equal and have no side-effects.
10577 2006-04-17 Richard Guenther <rguenther@suse.de>
10580 * reload.c (push_reload): Guard calls to get_secondary_mem
10581 for memory subregs.
10583 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10585 * alias.c (reg_base_value, old_reg_base_value): Change the
10586 type to VEC(rtx,gc) *.
10587 (REG_BASE_VALUE, find_base_value, record_set,
10588 init_alias_analysis): Use VEC instead of VARRAY.
10590 * alias.c (alias_sets): Change the type to
10591 VEC(alias_set_entry,gc) *.
10592 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10593 VEC instead of VARRAY.
10594 (last_alias_set): Remove.
10596 * cgraph.h (cgraph_edge_p): New.
10597 Update the prototype of cgraph_function_versioning.
10598 * cgraphunit.c (cgraph_copy_node_for_versioning,
10599 cgraph_function_versioning): Use VEC instead of VARRAY.
10600 * ipa-cp.c (ipcp_insert_stage): Likewise.
10602 2006-04-16 Roger Sayle <roger@eyesopen.com>
10605 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10606 "A op B" or "A op C", we may need to convert A to the type of B and C.
10608 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10610 * target.h (struct gcc_target): Add mode_rep_extended.
10611 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10612 (init_num_sign_bit_copies_in_rep): Initialize it using
10614 (truncate_to_mode): Use it.
10615 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10616 * targhooks.h (default_mode_rep_extended): Declare it.
10617 * targhooks.c (default_mode_rep_extended): Define it.
10618 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10619 default_mode_rep_extended.
10620 (TARGET_INITIALIZER): Include it.
10621 * doc/tm.texi (Misc): Document it.
10622 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10623 (mips_truncated_to_mode): New function.
10625 2006-04-16 Roger Sayle <roger@eyesopen.com>
10627 PR middle-end/25474
10628 * expr.c (compress_float_constant): Copy the narrow constant into
10629 a new pseudo before extending it to its final width.
10631 2006-04-16 Roger Sayle <roger@eyesopen.com>
10632 Andrew Pinski <pinskia@gcc.gnu.org>
10633 Dale Johannesen <dalej@apple.com>
10636 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10637 special case code to implement V8HImode and V16QImode with SSE2.
10639 2006-04-15 Roger Sayle <roger@eyesopen.com>
10641 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10642 trees are constructed with a suitable tree type.
10644 2006-04-15 Roger Sayle <roger@eyesopen.com>
10646 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10647 (integer_onep): Likewise.
10648 (integer_all_onesp): Likewise.
10649 (integer_pow2p): Likewise.
10650 (integer_nonzerop): Likewise.
10651 (real_zerop): Likewise.
10652 (real_onep): Likewise.
10653 (real_twop): Likewise.
10654 (real_minus_onep): Likewise.
10655 (int_size_in_bytes): Likewise.
10656 (host_integerp): Likewise.
10658 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10660 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10661 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10662 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10664 * tree-ssa-structalias.h (alias_info): Remove num_references.
10666 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10668 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10669 (output_bvb patterns): Likewise.
10670 * pa.c (output_bb): Use 'bb' insn for long branch case.
10671 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10672 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10673 1. Correct length operand for alternatives 1 and 2.
10674 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10675 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10677 2006-04-14 Roger Sayle <roger@eyesopen.com>
10679 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10680 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10681 were accidentally reverted by r112959.
10683 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10685 PR middle-end/26823
10686 * except.h (eh_region_outermost): New prototype.
10687 * except.c (eh_region_outermost): New function.
10688 * tree-cfg.c (find_outermost_region_in_block): Use it.
10690 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10692 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10694 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10695 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10696 (init_reload, reload): Use VEC instead of VARRAY.
10697 * reload.h: Update the prototype for
10698 reg_equiv_memory_loc_varray.
10700 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10701 Eric Botcazou <ebotcazou@libertysurf.fr>
10703 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10704 register save area.
10706 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10708 PR middle-end/27134
10709 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10710 to expand fallback builtin function call.
10712 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10714 PR middle-end/27095
10715 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10716 and emit libcall here in case the builtin fails.
10717 (expand_builtin_strcmp): Always emit the libcall here on failure.
10719 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10721 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10722 * flow.c (reg_n_info): Change the type to
10723 VEC(reg_info_p,heap) *.
10724 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10726 * regs.h (reg_info_p): New.
10727 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10728 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10729 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10732 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10734 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10736 * params.h (MAX_SCHED_READY_INSNS): New macro.
10737 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10738 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10739 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10740 the ready list for 1 cycle during the first scheduling pass.
10741 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10743 2006-04-13 Richard Henderson <rth@redhat.com>
10746 * gimple-low.c (lower_omp_directive): Remove dead code.
10747 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10748 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10749 * omp-low.c (struct omp_region): Move to tree-flow.h.
10750 (root_omp_region): Export.
10751 (omp_regions, lookup_omp_region): Remove.
10752 (determine_parallel_type): Update for struct omp_region changes.
10753 (dump_omp_region): Dump regions with block numbers.
10754 (new_omp_region): Take type and block instead of stmt; malloc
10756 (free_omp_region_1, free_omp_regions): New.
10757 (expand_parallel_call): Take entry_stmt as argument; update for
10758 changes to omp_region.
10759 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10760 (remove_exit_barriers): New.
10761 (expand_omp_parallel): Update for struct omp_region changes.
10762 (expand_omp_synch): Likewise.
10763 (expand_omp): Likewise.
10764 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10765 (expand_omp_for_static_chunk): Likewise.
10766 (expand_omp_for): Likewise.
10767 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10768 (expand_omp_sections): Similarly, with GOMP_sections_end.
10769 (expand_omp_single): New.
10770 (build_omp_regions_1): Update for OMP_CONTINUE.
10771 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10772 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10773 OMP_SECTIONS_SECTIONS.
10774 (lower_omp_single_simple): Don't emit barrier here.
10775 (lower_omp_single_copy): Likewise.
10776 (lower_omp_single): Fix bindings, and lower to straightline now.
10777 (lower_omp_master, lower_omp_ordered): Likewise.
10778 (lower_omp_critical): Likewise.
10779 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10780 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10781 omp edges, free it afterward.
10782 (make_omp_sections_edges): Remove.
10783 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10784 (move_stmt_r): Handle OMP_CONTINUE.
10785 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10786 statement pointers to basic blocks. Add type member.
10787 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10788 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10789 * tree-inline.c (estimate_num_insns_1): Likewise.
10790 * tree-pretty-print.c (dump_generic_node): Likewise.
10791 * tree-ssa-operands.c (get_expr_operands): Likewise.
10792 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10793 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10794 (OMP_CONTINUE): New.
10795 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10796 (OMP_SECTIONS_SECTIONS): Remove.
10797 (OMP_SECTION_LAST): New.
10798 (OMP_RETURN_NOWAIT): New.
10800 2006-04-13 Roger Sayle <roger@eyesopen.com>
10802 * fold-const.c (native_encode_vector, native_interpret_real):
10803 Correct obvious mistakes in the previous check-in.
10805 2006-04-13 Roger Sayle <roger@eyesopen.com>
10807 * fold-const.c (native_encode_expr): New function to encode
10808 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10809 or VECTOR_CST into a specified buffer.
10810 (native_encode_int): New function.
10811 (native_encode_real): New function.
10812 (native_encode_complex): New function.
10813 (native_encode_vector): New function.
10814 (native_interpret_expr): Inverse of native_encode_expr to convert
10815 a target representation into an INTEGER_CST, REAL_CST etc...
10816 (native_interpret_int): New function.
10817 (native_interpret_real): New function.
10818 (native_interpret_complex): New function.
10819 (native_interpret_vector): New function.
10820 (fold_view_convert_expr): New function to constant fold/evaluate
10821 a VIEW_CONVERT_EXPR of a suitable constant expression.
10822 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10823 Change call of build1 to fold_build1 when constructing a
10826 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10827 Ulrich Weigand <uweigand@de.ibm.com>
10830 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10833 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10836 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10837 optimize to lo_sum for DFmode if !TARGET_FPRS.
10839 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10841 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10842 delete_alias_info, compute_flow_sensitive_aliasing,
10843 group_aliases): Use VEC instead of VARRAY.
10844 * tree-ssa-structalias.c (update_alias_info): Likewise.
10845 * tree-ssa-structalias.h (alias_info): Change the type of
10846 processed_ptrs to VEC(tree,heap) *.
10848 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10851 * config/sh/lib1funcs.h: New file, broken out of:
10852 * config/sh/lib1funcs.asm.
10853 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10855 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10856 * config/sh/lib1funcs-Os-4-200.asm: New file.
10857 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10858 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10859 (EXTRA_MULTILIB_PARTS): Include it.
10860 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10861 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10862 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10863 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10866 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10868 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10869 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10870 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10872 * tree-ssa-live.h: Include vecprim.h.
10873 (tree_partition_associator_d): Change the type of
10874 first_partition to VEC(int,heap) *.
10875 (tpa_first_partition): Use VEC instead of VARRAY.
10877 * Makefile.in (GTFILES): Move functions.h after tree.h.
10878 * function.c (reset_block_changes, record_block_change,
10879 check_block_change, free_block_changes): Use VEC instead of
10881 * function.h (function): Change the type of
10882 ib_boundaries_block to VEC(tree,gc) *.
10883 * tree-inline.c (copy_cfg_body): Initialize
10884 ib_boundaries_block to NULL instead of (varray_type) 0.
10886 2006-04-12 Roger Sayle <roger@eyesopen.com>
10888 * expr.c (emit_group_store): Correct operand order in call to
10889 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10890 a SUBREG_BYTE of zero.
10892 2006-04-12 Richard Guenther <rguenther@suse.de>
10894 * profile.c (compute_branch_probabilities): Remove code
10895 encapsulated in !ir_type (), which are remanents of the
10896 removed RTL profiling code.
10897 * rtl-profile.c: Remove.
10899 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10901 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10902 magic NULL_RTX comment.
10903 (function_arg): Store entire fp arg to mem if any part should go
10905 (rs6000_arg_partial_bytes): Adjust for above change.
10907 2006-04-11 Roger Sayle <roger@eyesopen.com>
10909 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10910 if it hasn't been initialized by dwarf2out_init.
10912 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10914 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10915 symbolic constants in branch patterns.
10917 2006-04-11 Roger Sayle <roger@eyesopen.com>
10919 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10921 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10923 PR rtl-optimization/27073
10924 * gcse.c (try_replace_reg): Revert last change. Continue to search
10925 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10928 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10930 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10931 aggregate types other than record and union types.
10932 (function_arg): Likewise.
10933 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10935 (function_value): In 64-bit mode, return objects that require it
10938 2006-04-11 Roger Sayle <roger@eyesopen.com>
10940 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10942 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10944 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10946 2006-04-03 Jeff Law <law@redhat.com>
10949 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10950 alias information too.
10952 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10954 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10956 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10959 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10960 (premark_used_types_helper): New.
10961 (premark_used_types): New.
10962 (gen_subprogram_die): Call premark_used_types.
10963 (prune_unused_types_walk): Do not prune perennial dies.
10964 * function.c (used_types_insert): New.
10965 * function.h (struct function): Add used_types_hash field.
10966 (used_types_insert): Add prototype.
10967 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10968 * c-parser.c (c_parser_cast_expression): Save casted types in used
10971 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10974 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10975 rs6000_explicit_options.float_gprs.
10977 2006-04-10 Roger Sayle <roger@eyesopen.com>
10979 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10980 from ix86_expand_vector_init_low_nonzero. Take an additional
10981 one_var argument indicating which element is non-zero. Support
10982 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10983 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10984 with one_var instead of ix86_expand_vector_init_low_nonzero.
10986 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10988 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10989 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10990 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10991 build/genextract.o): Depend on vecprim.h.
10992 * cfglayout.c, df-problems.c, function.c, genextract.c,
10993 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10994 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10998 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11000 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11001 Declare VECs of this type.
11002 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11003 (remove_children): Delete.
11004 (add_dwarf_attr): Use VEC routines.
11005 (add_AT_flag): Update for changes to add_dwarf_attr.
11006 (add_AT_int): Likewise.
11007 (add_AT_unsigned): Likewise.
11008 (add_AT_long_long): Likewise.
11009 (add_AT_vec): Likewise.
11010 (add_AT_string): Likewise.
11011 (add_AT_die_ref): Likewise.
11012 (add_AT_fde_ref): Likewise.
11013 (add_AT_loc): Likewise.
11014 (add_AT_loc_list): Likewise.
11015 (add_AT_addr): Likewise.
11016 (add_AT_lbl_id): Likewise.
11017 (add_AT_lineptr): Likewise.
11018 (add_AT_macptr): Likewise.
11019 (add_AT_offset): Likewise.
11020 (add_AT_range_list): Likewise.
11021 (get_AT): Use VEC_iterate.
11022 (remove_AT): Use VEC_ordered_remove.
11023 (free_die): Fold remove_children into here; have it use VEC_iterate.
11024 (print_die): Use VEC_iterate on attrs.
11025 (reverse_die_lists): Don't reverse attr lists.
11026 (die_checksum): Use VEC_iterate on attrs.
11027 (same_die_p): Likewise.
11028 (output_location_lists): Likewise.
11029 (build_abbrev_table): Likewise.
11030 (size_of_die): Likewise.
11031 (unmark_all_dies): Likewise.
11032 (output_abbrev_section): Likewise.
11033 (output_die): Likewise.
11034 (prune_unused_types_walk_attribs): Likewise.
11036 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11038 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11040 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11043 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11045 2006-04-09 Roger Sayle <roger@eyesopen.com>
11047 * expr.c (store_constructor): Don't bother clearing target if
11048 we're about to assign a vector to it using vec_init_optab.
11050 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11052 * tree-ssa-alias.c (lhs_may_store_to): New function.
11053 (recalculate_used_alone): Handle LHS of calls.
11055 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11059 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11060 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11061 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11062 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11063 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11064 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11065 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11066 stubs. Add ".align 8" directives before all ".dword" directives.
11067 (GTHREAD_USE_WEAK): Revise comment.
11068 (TARGET_ATTRIBUTE_WEAK): Define.
11069 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11070 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11071 * stublib.c: New file.
11076 * pa.md (cbranch patterns): Revise arguments used in calls to
11077 output_cbranch, output_bb and output_bvd. Add long branch length
11079 (fbranch patterns): Handle long branches.
11080 (jump): Revise length check. Revise arguments for output_lbranch call.
11081 Add long branch length attributes.
11082 (decrement_and_branch_until_zero): Add long branch length attributes.
11083 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11084 Likewise. Revise arguments for output_parallel_addb and
11085 output_parallel_movb calls.
11086 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11087 output_parallel_movb and output_parallel_addb): Update prototypes.
11088 * pa.c (output_cbranch): Revise arguments. Correct handling of
11089 nullification in long branches.
11090 (output_lbranch): Add new argument to control extraction of delay
11092 (output_bb): Handle long branches.
11093 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11094 output_parallel_addb): Likewise.
11096 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11098 PR rtl-optimization/27073
11099 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11102 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11104 * tree.h (tree_memory_tag): Add old_used_alone.
11105 (SMT_OLD_USED_ALONE): New macro.
11106 * tree-ssa-alias.c (recalculate_used_alone): Stop
11107 marking things for renaming unnecessarily.
11109 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11111 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11112 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11113 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11114 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11115 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11116 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11117 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11118 spelling convensions.
11119 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11120 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11121 typos. Follow spelling conventions.
11123 2006-04-07 DJ Delorie <dj@redhat.com>
11125 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11126 passed on the stack.
11127 (m32c_init_cumulative_args): When a function returns a structure,
11128 always pass the pointer to that return area on the stack.
11129 (m32c_function_arg_advance): Don't increment the parameter number
11130 if we're processing the returned structure pointer.
11131 (pushm_info): Reverse order of registers.
11133 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11135 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11136 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11137 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11138 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11139 build_int_cst_type.
11140 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11141 chrec_fold_multiply): Same.
11142 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11143 force_expr_to_var_cost): Same.
11144 * tree-mudflap.c (mf_xform_derefs_1): Same.
11145 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11147 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11149 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11150 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11153 2006-04-07 Jan Hubicka <jh@suse.cz>
11155 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11157 2006-04-07 Richard Guenther <rguenther@suse.de>
11159 PR tree-optimization/26135
11160 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11161 loads for store copy-prop.
11162 (copy_prop_visit_stmt): Likewise.
11164 2006-04-05 Robert Millan <robertmh@gnu.org>
11166 * config/i386/linux.h: Add a comment to mark macros that are
11167 being overriden in config/k*bsd-gnu.h.
11168 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11170 * config/knetbsd-gnu.h: Ditto.
11172 2006-04-06 Jan Hubicka <jh@suse.cz>
11176 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11179 2006-04-06 Mike Stump <mrs@apple.com>
11181 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11182 for HAVE_nonlocal_goto to be consistent.
11183 (expand_builtin_nonlocal_goto): Likewise.
11184 (expand_builtin_strcmp): Use #ifdef instead of #if
11185 for HAVE_cmpstrnsi to be consistent.
11187 2006-04-05 DJ Delorie <dj@redhat.com>
11189 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11192 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11194 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11195 got-relative addressing for anything but SImode.
11197 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11198 even if the calling function doesn't modify them.
11200 2006-04-05 Richard Guenther <rguenther@suse.de>
11202 PR tree-optimization/26919
11203 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11204 to cgraph_estimate_size_after_inlining.
11206 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11208 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11210 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11212 PR tree-optimization/26996
11213 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11214 VECTOR_TYPE variables.
11216 2006-04-05 Richard Guenther <rguenther@suse.de>
11218 PR tree-optimization/26763
11219 * fold-const.c (fold_comparison): Move folding of
11220 PTR + CST CMP PTR + CST ...
11221 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11223 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11225 * doc/install.texi (Prerequisites): Refine some wording on
11226 bootstrapping and ksh.
11227 Move the version numbers of DejaGnu here from the testing section
11228 and fix casing of names.
11229 Fix markup and clarify wording for autogen requirements.
11230 Refer to GCJ instead of just java.
11231 Refer to SVN instead of CVS.
11232 Describe diffutils as useful instead of necessary.
11233 (Downloading the source): Refer to SVN instead of CVS.
11234 Adjust a link to our web site accordingly.
11235 (Configuration): Fix casing of Bison.
11236 (Building): Refer to SVN instead of CVS.
11237 Fix a sentence on the use of Bison and remove duplicate (and
11238 incorrect) version number of Bison requirement.
11239 Remove one redundant list of packages needed for building.
11240 (Specific): Avoid reference to CVS.
11242 2006-04-04 Eric Christopher <echristo@apple.com>
11244 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11245 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11246 (rs6000_handle_struct_attribute): New.
11247 (rs6000_ms_bitfield_layout_p): Ditto.
11249 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11251 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11252 NULL for dso parameter to atexit_common.
11254 2006-04-04 Eric Christopher <echristo@apple.com>
11256 * config/i386/i386.c (machopic_output_stub): Output \t
11257 between instructions and operands.
11259 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11261 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11262 satisfies_constraint_[IL] to explicit tests on value.
11264 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11266 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11267 set_nb_iterations_in_loop): Use build_int_cst instead of
11268 build_int_cst_type.
11269 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11270 build_int_cst instead of convert.
11272 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11274 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11275 new value 2 for incoming.
11276 * function.c (expand_function_start): Call struct_value_rtx
11277 with incoming as 2.
11278 * config/sparc/sparc.md: Comment updated_return.
11279 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11280 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11281 struct return if sparc_std_struct_return and incoming is 2.
11282 (print_operand): Do not adjust return if
11283 sparc_std_struct_return.
11285 2006-04-04 Roger Sayle <roger@eyesopen.com>
11287 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11288 convert in the middle-end.
11289 * expr.c (store_expr, store_constructor, get_inner_reference,
11290 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11292 * tree.c (build_range_type): Likewise.
11294 2006-04-04 Tom Tromey <tromey@redhat.com>
11296 * doc/install.texi (Prerequisites): Mention jar.
11298 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11300 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11303 2006-04-04 Matthias Klose <doko@debian.org>
11305 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11309 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11312 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11314 * doc/extend.texi (Function Attributes): Rewrite visibility
11315 attribute documentation.
11316 * doc/invoke.texi (C++ Dialect Options): Rewrite
11317 -fvisibility-inlines-hidden documentation to describe something
11318 entirely different, although in practise compatible.
11319 (Code Gen Options): Warn about system headers in -fvisibility=
11322 * doc/extend.texi (Other Builtins): Document that
11323 __builtin_nan is a compile-time constant only when its argument
11326 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11328 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11329 trying to remove TRUNCATE check if all bits outside the new mode
11330 are identical to the sign bit.
11332 2006-04-03 Jeff Law <law@redhat.com>
11334 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11335 and operand scanning in some common cases.
11337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11338 Dale Johannesen <dalej@apple.com>
11341 * regclass.c (struct reg_pref): Update documentation.
11342 (regclass): Set prefclass to NO_REGS if memory is the best option.
11343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11344 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11345 into account. For non-registers, equate an empty preferred
11346 reload class to a `!' in the constraint; move the if clause to
11347 do so after those that reject the insn.
11348 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11350 (find_dummy_reload): Likewise.
11351 * doc/tm.texi (Register Classes): Document what it means
11352 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11353 * config/i386/i386.c (ix86_preferred_reload_class): Force
11354 using SSE registers (and return NO_REGS for floating-point
11355 constants) if math is done with SSE.
11356 (ix86_preferred_output_reload_class): New.
11357 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11358 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11359 * config/i386/i386.md: Remove # register preferences.
11361 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11364 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11365 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11366 the type of nb_iter.
11367 (instantiate_parameters_1): Convert the operands before calling
11368 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11369 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11371 2006-04-02 Roger Sayle <roger@eyesopen.com>
11373 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11374 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11375 instead of convert.
11376 * dojump.c (do_jump): Likewise.
11377 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11378 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11379 gimplify_boolean_expr): Likewise.
11380 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11381 * varasm.c (array_size_for_constructor): Likewise.
11382 * tree-object-size.c (compute_object_offset): Likewise.
11384 2006-04-02 Roger Sayle <roger@eyesopen.com>
11386 PR middle-end/26977
11387 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11388 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11390 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11392 PR tree-optimization/26939
11393 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11395 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11397 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11398 at_stmt. Convert the type of operands before calling
11399 build_polynomial_chrec.
11400 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11401 add_to_evolution_1.
11402 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11403 (instantiate_parameters_1): Convert the type of operands before calling
11404 build_polynomial_chrec.
11405 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11406 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11407 reset_evolution_in_loop): Insert asserts to check the types of the
11409 (chrec_type): Moved...
11410 (eq_evolutions_p): Use operand_equal_p.
11411 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11412 the types of the operands.
11413 (chrec_type): ...here.
11414 * tree-data-ref.c (create_data_ref): Convert the operands before
11415 calling chrec_replace_initial_condition.
11416 (same_access_functions, analyze_subscript_affine_affine,
11417 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11418 (compute_subscript_distance, analyze_ziv_subscript,
11419 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11420 analyze_miv_subscript): Convert the operands before calling
11421 chrec_fold_minus or chrec_fold_plus.
11423 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11425 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11426 the dependence_relations vector.
11427 (compute_data_dependences_for_loop): Adjust call to
11428 compute_all_dependences.
11430 2006-04-01 Roger Sayle <roger@eyesopen.com>
11431 Richard Henderson <rth@redhat.com>
11433 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11434 gimple_boolify on the condition before calling gimplify_expr.
11436 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11438 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11439 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11440 the frame size. Update to use the new macros.
11441 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11442 * config/xtensa/ieee754-df.S: Likewise.
11444 2006-03-31 Richard Henderson <rth@redhat.com>
11446 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11447 (make_edges): ... here. Control fallthru creation with a local
11448 variable. Do not play with fake edges.
11449 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11450 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11453 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11455 * dwarf2.h (DW64_CIE_ID): Define.
11456 * dwarf2out.c (DWARF_CIE_ID): Define.
11457 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11458 length header. Use DWARF_CIE_ID.
11459 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11460 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11462 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11464 * config/sh/linux-atomic.asm: New file.
11465 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11467 2006-03-31 DJ Delorie <dj@redhat.com>
11469 * config/m32c/cond.md: Set condition flags properly throughout.
11470 * config/m32c/minmax.md: Likewise.
11471 * config/m32c/prologue.md: Likewise.
11472 * config/m32c/bitops.md: Likewise.
11473 * config/m32c/muldiv.md: Likewise.
11474 * config/m32c/mov.md: Likewise.
11475 * config/m32c/addsub.md: Likewise.
11476 * config/m32c/m32c.md: Likewise.
11477 * config/m32c/jump.md: Likewise.
11478 * config/m32c/shift.md: Likewise.
11480 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11481 conditionally output the pattern for this.
11482 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11483 (m32c_compare_redundant): New.
11484 (m32c_output_compare): New.
11485 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11487 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11488 dest, not src. Allow other 4-byte modes.
11490 2006-03-30 Denis Chertykov <denisc@overta.ru>
11492 * doc/md.texi: Refer to avr/constraints.md instead of
11495 2006-03-30 Roger Sayle <roger@eyesopen.com>
11497 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11498 signed vs. unsigned comparison failures on some hosts.
11500 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11503 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11504 change to FLOAT_REGS.
11506 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11507 (rs6000_override_options): Use it.
11508 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11509 only for -mabi=spe/no-spe and -mabi=altivec.
11511 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11513 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11516 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11518 * Makefile.in: Rename docdir to gcc_docdir.
11520 2006-03-30 Roger Sayle <roger@eyesopen.com>
11523 * expr.c (emit_group_store): Optimize group stores into a pseudo
11524 register by using a paradoxical subreg to initialize the destination
11525 if the first or last member of the group specifies a "low part".
11527 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11530 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11531 * target.h (struct gcc_target.speculate_insn): Change type of the
11532 second parameter to 'int'.
11533 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11534 the second operand of the DEPS_LIST.
11535 (copy_DEPS_LIST_list): Update reference to the second operand of the
11537 * rtl.h (alloc_DEPS_LIST): Update signature.
11538 * sched-int.h (ds_t): Change typedef to 'int'.
11539 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11541 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11543 * haifa-sched.c (try_ready): Change condition to restore
11544 non-speculative pattern of the instruction.
11545 (process_insn_depend_be_in_spec): Code to keep probability of the
11546 speculative dependence non-decreasing.
11548 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11550 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11551 (single_move_for_movmem): ... this. Also change all uses.
11552 (bfin_expand_strmov): Renamed to...
11553 (bfin_expand_movmem): ... this. Also change all uses.
11554 * config/bfin/bfin.md (movstrsi): Renamed to...
11555 (movstrsi): ...this.
11557 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11559 PR tree-optimization/26830
11561 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11562 (copy_prop_visit_stmt): Remove write-only variable ann.
11563 (init_copy_prop): Check variable loop depth here. Do not simulate
11564 memory-tag and virtual operand PHIs except for store copy prop.
11566 2006-03-30 Richard Guenther <rguenther@suse.de>
11568 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11569 variants with double arguments.
11571 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11573 * genpreds.c (write_tm_constrs_h): Delete variable p.
11574 * genconditions.c (write_header): Add tm-constrs.h to included
11576 * genpeep.c (main): Add toplev.h to included headers.
11577 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11578 (build/genpeep.o): Add toplev.h dependency.
11579 * config/rs6000/constraints.md: Add "W" constraint.
11581 2006-03-29 Roger Sayle <roger@eyesopen.com>
11583 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11584 sizes by correctly testing whether the size fits a host integer.
11585 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11586 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11587 SImode range for the default sizetype and bitsizetype.
11589 2006-03-29 Roger Sayle <roger@eyesopen.com>
11591 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11592 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11593 quickly if the argument is already of the correct type.
11594 Call fold_build1 instead of build1. Tidy up blank lines.
11596 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11598 * genemit.c (main): Add tm-constrs.h to included headers.
11599 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11600 * genpeep.c (main): Add tm-constrs.h to included headers.
11601 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11602 (write_tm_constrs_h): this and write complete file.
11603 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11604 (write_insn_preds_c): Add tm-constrs.h to included headers.
11605 (gen_constrs): New variable.
11606 (parse_option): Parse "-c".
11607 (main): Invoke write_tm_constrs_h.
11608 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11609 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11610 (object_out_file): Add tm-constrs.h dependency.
11611 (insn-emit.o): Same.
11612 (insn-output.o): Same.
11613 (insn-peep.o): Same.
11614 (insn-preds.o): Same.
11615 (insn-recog.o): Same.
11616 (tm-constsr.h): New target.
11617 (s-constrs-h): New target.
11619 * config/rs6000/constraints.md: New file.
11620 * config/rs6000/rs6000.c: Include tm-constrs.h.
11621 (num_insn_constant_wide): Convert to satisfies_constraint.
11622 (rs6000_rtx_costs): Convert to satisfies_constraint.
11623 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11624 (CONST_OK_FOR_LETTER_P): Delete.
11625 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11626 (EXTRA_CONSTRAINT): Delete.
11627 (EXTRA_MEMORY_CONSTRAINT): Delete.
11628 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11629 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11630 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11631 satisfies_constraint.
11633 * config/i386/i386.c: Include tm-constrs.h.
11635 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11637 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11638 * tree-data-ref.c (find_data_references_in_loop,
11639 compute_data_dependences_for_loop): Use pointers to VEC.
11640 (analyze_all_data_dependences): Adjust calls.
11641 * tree-data-ref.h (find_data_references_in_loop,
11642 compute_data_dependences_for_loop): Adjust declarations.
11643 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11644 compute_data_dependences_for_loop.
11646 2006-03-29 Paul Brook <paul@codesourcery.com>
11648 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11649 (movdf_vfp): Ditto.
11651 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11653 PR tree-optimization/26859
11654 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11656 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11657 for the step after fold_convert.
11659 2006-03-29 Paul Brook <paul@codesourcery.com>
11661 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11662 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11664 2006-03-29 Paul Brook <paul@codesourcery.com>
11666 PR middle-end/23623
11667 * targhooks.c (default_narrow_bitfield): New fuction.
11668 * targhooks.h (default_narrow_bitfield): add prototype.
11669 * target.h (gcc_target): Add narrow_volatile_bitfield.
11670 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11671 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11672 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11673 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11675 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11677 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11679 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11680 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11681 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11682 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11683 (s390_function_arg_float): Allow SDmode and DDmode values to be
11684 passed in floating point registers.
11685 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11686 check with SCALAR_FLOAT_MODE_P.
11687 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11689 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11691 PR tree-optimization/25985
11692 * tree-ssa-loop-niter.c (number_of_iterations_le,
11693 number_of_iterations_ne): Make comments more precise.
11694 (number_of_iterations_cond): Add only_exit argument. Use the
11695 fact that signed variables do not overflow only when only_exit
11697 (loop_only_exit_p): New.
11698 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11699 number_of_iterations_cond.
11701 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11703 PR tree-optimization/26643
11704 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11707 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11709 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11710 (divsi3_i4_int): Likewise.
11712 2006-03-28 Roger Sayle <roger@eyesopen.com>
11714 * expr.c (emit_group_store): Only create a new pseudo reg if the
11715 quantity it needs to hold isn't already a suitable pseudo.
11717 2006-03-28 Jeff Law <law@redhat.com>
11719 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11720 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11722 2006-03-28 Roger Sayle <roger@eyesopen.com>
11724 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11725 the equivalent ~X & Y, and the symmetry related transformations.
11726 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11727 ~X & Y, and symmetry related transforms.
11729 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11731 Revert my 2006-03-27 patches.
11733 2006-03-28 Roger Sayle <roger@eyesopen.com>
11735 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11736 ~(T1)X, when T1 and T2 are integer types of the same precision
11737 and (T2)X isn't an extension.
11739 2006-03-28 Jeff Law <law@redhat.com>
11741 PR tree-optimization/26796
11742 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11743 need EH edge cleanups rather than purging them immediately.
11744 (eliminate_degenerate_phis): Handle queued EH cleanups.
11746 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11748 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11751 2006-03-27 Roger Sayle <roger@eyesopen.com>
11753 PR middle-end/22524
11754 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11755 cast BIT_NOT_EXPR operand to the correct type.
11757 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11759 * tree-loop-linear.c: Don't include varray.h.
11760 (gather_interchange_stats, try_interchange_loops,
11761 linear_transform_loops): Use VEC instead of VARRAY.
11762 * lambda-mat.c: Don't include varray.h.
11763 * tree-chrec.c: Same.
11764 * lambda-trans.c: Same.
11765 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11766 VEC instead of VARRAY.
11767 * tree-vectorizer.h: Idem.
11768 * tree-data-ref.c (dump_data_references,
11769 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11770 initialize_data_dependence_relation, finalize_ddr_dependent,
11771 compute_all_dependences, find_data_references_in_loop,
11772 compute_data_dependences_for_loop, analyze_all_data_dependences,
11773 free_dependence_relation, free_dependence_relations,
11774 free_data_refs): Idem.
11775 * tree-data-ref.h (data_reference_p, subscript_p): New.
11776 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11777 VEC instead of VARRAY.
11778 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11779 (find_data_references_in_loop, compute_data_dependences_for_loop,
11780 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11781 dump_data_dependence_relations, free_dependence_relations,
11782 free_data_refs): Adjust declaration.
11783 (lambda_transform_legal_p): Move declaration here...
11784 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11785 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11786 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11787 vect_analyze_data_refs): Use VEC instead of VARRAY.
11788 * lambda.h (lambda_transform_legal_p): ...from here.
11789 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11790 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11791 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11792 tree-chrec.o): Don't depend on VARRAY_H.
11794 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11796 * rtl.def (Copyright): Update date.
11797 (DEPS_LIST): Change type of the second operand to 'int'.
11798 * target.h (Copyright): Update date.
11799 (struct gcc_target.speculate_insn): Change type of the second parameter
11801 * lists.c (Copyright): Update date.
11802 (alloc_DEPS_LIST): Change signature. Update reference to the second
11803 operand of the DEPS_LIST.
11804 (copy_DEPS_LIST_list): Update reference to the second operand of the
11806 * rtl.h (Copyright): Update date.
11807 (alloc_DEPS_LIST): Update signature.
11808 * sched-int.h (Copyright): Update date.
11809 (ds_t): Change typedef to 'int'.
11810 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11812 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11814 * haifa-sched.c (Copyright): Update date.
11815 (try_ready): Change condition to restore non-speculative pattern
11816 of the instruction.
11817 (process_insn_depend_be_in_spec): Code to keep probability of the
11818 speculative dependence non-decreasing.
11820 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11822 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11823 shut up the compiler.
11825 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11827 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11828 to use lib prefix for target.
11829 ($(T)libic_invalidate_array_4-200.a): Likewise.
11830 ($(T)libic_invalidate_array_4a.a): Likewise.
11832 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11833 J"orn Rennecke <joern.rennecke@st.com>
11835 * superh.opt: New file.
11836 * sh.c (boardtype, osruntime): Remove.
11837 * superh.h (SUBTARGET_OPTIONS): Remove.
11838 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11840 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11841 arguments with ^ and/or [].
11843 * config.gcc (sh-*-*): Add quoting to account for quirk of
11845 Replace == with = in enable_incomplete_targets test.
11847 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11848 with MASK_LITTLE_ENDIAN.
11850 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11851 * config/sh/sh.opt: Added to some comments.
11852 * config/sh/superh.h: Removed some chaff.
11854 * config/sh/sh.opt: Add m4-[1234]00* options.
11855 * config/sh/sh.c (sh_handle_option): Likewise.
11856 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11857 (ic_invalidate_array_4-100.o): New rule.
11858 ($(T)libic_invalidate_array_4-100.a): Likewise.
11859 (ic_invalidate_array_4-200.o): Likewise.
11860 ($(T)libic_invalidate_array_4-200.a): Likewise.
11861 (ic_invalidate_array_4a.o): Likewise.
11862 ($(T)libic_invalidate_array_4a.a): Likewise.
11863 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11864 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11866 * config/sh/crt1.asm: Merged in profiling code.
11867 * config/sh/superh.h (STARTFILE_SPEC): Override.
11868 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11869 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11870 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11872 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11873 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11874 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11876 * sh.opt (mpretend-cmove): New option.
11877 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11878 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11879 (movsicc): Add TARGET_PRETEND_CMOVE code.
11881 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11883 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11884 s390_class_max_nregs): New function prototypes.
11885 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11886 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11887 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11888 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11890 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11892 * dwarf2out.c (add_location_or_const_value_attribute): Call
11893 tree_add_const_value_attribute if nothing else works.
11894 (reference_to_unused): New.
11895 (rtl_for_decl_init): Use reference_to_unused to decide whether
11896 to output an initializer.
11898 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11901 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11902 peephole removing spe frob_di_df_2.
11904 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11906 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11907 (subscript_dependence_tester_1): Declared.
11908 (print_dir_vectors, print_dist_vectors): New.
11909 (debug_data_dependence_relation): New.
11910 (dump_data_dependence_relation): Print more details.
11911 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11912 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11913 (save_dist_v, save_dir_v, add_outer_distances,
11914 build_classic_dist_vector_1): New.
11915 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11916 Don't test for lambda_vector_lexico_pos.
11917 (same_access_functions, add_multivariate_self_dist,
11918 add_other_self_distances, dir_from_dist): New.
11919 (build_classic_dir_vector): Replace implementation almost identical to
11920 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11922 (subscript_dependence_tester_1): New.
11923 (subscript_dependence_tester): Handle the lexicographically negative
11924 distance vectors by recomputing the dependence relation.
11925 (compute_affine_dependence): Remove parameter loop_nest_depth.
11926 (compute_self_dependence): Don't call compute_subscript_distance.
11927 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11928 Add a parameter for the loop_nest.
11929 (find_loop_nest_1, find_loop_nest): New.
11930 (compute_data_dependences_for_loop): Compute the loop nest, and give
11931 up if the nest is not well formed.
11932 * tree-data-ref.h (loop_p): New.
11933 (struct data_dependence_relation): Replace size_vect field with
11934 loop_nest, a vec of loops.
11935 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11936 (DDR_LOOP_NEST): New.
11937 (print_dir_vectors, print_dist_vectors,
11938 debug_data_dependence_relation): Declared.
11939 (index_in_loop_nest): New.
11940 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11941 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11944 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11946 * simplify-rtx.c (simplify_relational_operation): Call
11947 simplify_relational_operation_1 even if mode is VOIDmode.
11949 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11951 PR tree-optimization/26804
11952 * tree.h (DECL_CALL_CLOBBERED): New macro.
11953 (tree_decl_common): Add call_clobbered_flag.
11954 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11955 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11956 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11957 (mark_non_addressable): Ditto.
11958 * tree-ssa.c (verify_call_clobbered): New function.
11959 (verify_alias_info): Use it.
11960 * tree-pass.h (pass_reset_cc_flags): New prototype.
11961 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11962 (reset_cc_flags): New function.
11963 * passes.c (init_optimization_passes): Call reset_cc_flags after
11964 initializing referenced_vars.
11966 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11967 Roger Sayle <roger@eyesopen.com>
11969 PR middle-end/26717
11970 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11971 to 1.0 for non-real operands. Implement A / A optimization for
11974 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11976 * config/i386/i386.c (size_cost): Correct the comment for
11977 cost of storing fp registers.
11978 (i386_cost): Likewise.
11979 (i486_cost): Likewise.
11980 (pentium_cost): Likewise.
11981 (pentiumpro_cost): Likewise.
11982 (k6_cost): Likewise.
11983 (athlon_cost): Likewise.
11984 (k8_cost): Likewise.
11985 (pentium4_cost): Likewise.
11986 (nocona_cost): Likewise.
11987 (generic64_cost): Likewise.
11988 (generic32_cost): Likewise.
11990 2006-03-24 Denis Chertykov <denisc@overta.ru>
11992 * config/avr/avr-protos.h (extra_constraint): Delete.
11993 (extra_constraint_Q): New declaration.
11994 * config/avr/constraints.md: New file.
11995 * config/avr/avr.md: Include it.
11996 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11997 (TMP_REGNO, ZERO_REGNO): Likewise.
11998 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11999 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12000 (extra_constraint): Delete.
12001 (extra_constraint_Q): Test for memory constraint 'Q'.
12002 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12003 (REG_CLASS_FROM_LETTER): Delete.
12004 (CONST_OK_FOR_LETTER_P): Delete.
12005 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12006 (EXTRA_CONSTRAINT): Delete.
12007 (TMP_REGNO): Delete.
12008 (ZERO_REGNO): Delete.
12010 2006-03-24 Jeff Law <law@redhat.com>
12012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12013 directly. Call mark_new_vars_to_rename slightly earlier.
12015 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12017 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12018 (is_cxx): Likewise.
12019 (gen_compile_unit_die): Use new language types for Objective-C and
12021 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12022 DW_LANG_C_plus_plus.
12025 * config/t-darwin (crt3.o): Work around bug 26840.
12026 * config/darwin-crt3.c: Rewrite.
12027 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12029 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12031 * doc/invoke.texi: Document -femit-class-debug-always
12032 * common.opt: Add -femit-class-debug-always.
12034 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12036 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12037 index and base register.
12038 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12039 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12040 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12041 REGNO_OK_FOR_INDEX_P.
12042 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12044 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12045 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12046 REG_OK_FOR_BASE_P): Definitions removed.
12048 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12050 PR middle-end/26611
12051 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12052 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12053 set yet or weren't marked as local yet.
12055 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12057 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12060 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12062 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12063 (rs6000_legitimate_small_data_p): Delete.
12064 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12065 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12066 and make static. Add forward declaration. Update uses.
12067 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12068 of offsettable_memref_p.
12069 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12070 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12072 2006-03-24 Jeff Law <law@redhat.com>
12074 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12075 around bug in immediate-use iterator.
12077 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12080 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12081 or __LITTLE_ENDIAN__.
12083 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12085 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12086 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12087 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12088 * config/sh/sh.opt (mdiv=): Amend description.
12089 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12090 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12091 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12092 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12093 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12094 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12095 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12096 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12097 TARGET_DIVIDE_CALL_FP.
12099 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12101 * haifa-sched.c (choose_ready): Fix type of the local variable.
12102 Move local variables. Add comment.
12103 (check_reg_live): Change signature. Make callable from debugger.
12104 * sched-int.h (check_reg_live): Update signature.
12105 * sched-ebb.c (check_reg_live): Update parameters.
12106 * sched-rgn.c (check_reg_live): Ditto.
12107 (region_head_or_leaf_p): Check pointer before dereferencing.
12108 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12109 before reload on optimization levels below 1.
12111 2006-03-23 Richard Henderson <rth@redhat.com>
12113 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12117 * config/alpha/predicates.md (local_symbolic_operand): Reject
12120 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12123 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12124 expressions which have overflowed constants.
12126 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12128 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12130 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12132 * cfgloopmanip.c (create_loop_notes): Removed.
12133 * final.c (final_scan_insn): Do not handle loop notes.
12134 * jump.c (squeeze_notes): Ditto.
12135 * cfglayout.c (skip_insns_after_block,
12136 duplicate_insn_chain): Ditto.
12137 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12139 * cfgloop.h (create_loop_notes): Declaration removed.
12141 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12143 * varasm.c (output_constant_pool): Restore fnname and fndecl
12145 (assemble_start_function): Adjust call accordingly.
12146 (assemble_end_function): Likewise.
12148 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12151 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12154 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12156 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12159 * system.h (ICE_EXIT_CODE): New macro.
12160 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12161 (diagnostic_action_after_output): Likewise.
12162 * gcc.c (fatal_ice): New function.
12163 (execute): Use it instead of fatal.
12164 (fancy_abort): Likewise.
12165 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12167 2006-03-22 Jeff Law <law@redhat.com>
12169 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12170 iv_analyze_result returning false.
12172 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12174 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12176 2006-03-22 Richard Henderson <rth@redhat.com>
12178 PR middle-end/26084
12179 * except.c (duplicate_eh_regions_0): New.
12180 (duplicate_eh_region_1): Duplicate the children of the node as
12181 well as the node itself. Link them up properly.
12182 (duplicate_eh_region_2): Merge into ...
12183 (duplicate_eh_regions): ... here. Take copy_region argument, and
12184 copy only a sub-tree if asked. Simplify copying and fixup.
12185 (eh_region_outer_p): New.
12186 * except.h (duplicate_eh_regions): Update decl.
12187 (eh_region_outer_p): Declare.
12188 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12189 (lower_omp_master): Likewise.
12190 (lower_omp_ordered): Likewise.
12191 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12192 (move_stmt_r): Use it to remap labels. Handle recursion vs
12193 remap_decls_p properly.
12194 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12195 (find_outermost_region_in_block): New.
12196 (new_label_mapper): New.
12197 (move_sese_region_to_fn): Copy eh information to the new function
12199 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12201 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12204 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12206 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12207 into shared libraries.
12209 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12211 * doc/md.texi: Refer to i386/constraints.md instead of
12212 i386/predicates.md.
12213 * config/i386/constraints.md: New file, extracted from...
12214 * config/i386/predicates.md: ...here.
12215 * config/i386/i386.md: Include constraints.md.
12217 2006-03-21 Jason Merrill <jason@redhat.com>
12219 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12221 PR middle-end/20297
12222 * expr.c (init_block_move_fn): Force default visibility.
12223 (init_block_clear_fn): Likewise.
12224 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12225 * targhooks.c (default_external_stack_protect_fail): Likewise.
12227 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12229 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12230 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12231 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12232 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12233 (loadgp): Use mips_current_loadgp_style.
12234 (loadgp_noshared): New pattern.
12235 (sibcall_internal): Use MIPS_CALL.
12236 (sibcall_value_internal): Likewise.
12237 (sibcall_value_multiple_internal): Likewise.
12238 (call_internal): Likewise.
12239 (call_value_internal): Likewise.
12240 (call_value_multiple_internal): Likewise.
12241 (call_split): Use MIPS_CALL and add an 'S' constraint.
12242 (call_value_split): Likewise.
12243 (call_value_multiple_split): Likewise.
12244 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12245 (-mshared): New option.
12246 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12247 (mips_current_loadgp_style): Declare.
12248 * config/mips/mips.c (mips_classify_symbol): Avoid using
12249 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12250 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12251 TARGET_ABSOLUTE_ABICALLS.
12252 (override_options): Adjust comments. Improve the warning that is
12253 issued when -mabicalls and -G are used together.
12254 (mips_file_start): Remove comment.
12255 (mips_current_loadgp_style): New function.
12256 (mips_gnu_local_gp): New variable.
12257 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12259 (mips_output_function_prologue): Use mips_current_laodgp_style.
12260 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12261 the cprestore instruction.
12262 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12263 live for TARGET_ABSOLUTE_ABICALLS.
12264 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12265 (ASM_SPEC): Pass down -mshared and -mno-shared.
12266 (MIPS_CALL): New macro.
12267 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12269 * doc/invoke.texi (-mabicalls): Update documentation.
12270 (-mshared): Document.
12272 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12274 * config/ia64/unwind-hpux.c: New file.
12275 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12277 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12280 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12282 2006-03-21 Jeff Law <law@redhat.com>
12284 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12285 type conversions of a VR_VARYING source to a wider type.
12287 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12289 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12290 tm_file on Solaris 10 and later.
12291 (sparc64-*-solaris2*): Likewise.
12292 (sparc-*-solaris2*): Likewise.
12293 * config/sol26.h: Rename to config/sol2-6.h.
12294 * config/sol2-10.h: New file.
12296 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12299 * tree-ssa-pre.c (create_component_ref_by_pieces):
12302 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12305 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12306 return it immediately.
12308 2006-03-21 Michael Matz <matz@suse.de>
12310 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12312 (remove_arc, add_arc): Update num_out_arcs member.
12313 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12315 (cache_presence): New function.
12316 (compare_states_for_equiv): New function.
12317 (state_is_differed): Don't take number of outargs, adjust callers.
12318 Use new invariant for speeding up.
12319 (init_equiv_class): Create initial classes based on sorted
12321 (partition_equiv_class): Don't track out_arcs_num.
12322 (evaluate_equiv_classes): Call cache_presence on all states and
12325 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12327 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12328 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12329 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12330 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12332 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12333 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12334 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12335 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12336 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12338 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12339 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12340 (REGNO_REG_CLASS): ARGP is in PREGS.
12341 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12343 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12344 to deal with those addresses.
12345 * addresses.h: New file.
12346 * caller-save.c: Include "addresses.h".
12347 (init_caller_save): Use new base_reg_class function.
12348 * rtl-factoring.c: Include "addresses.h".
12349 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12350 * recog.c: Include "addresses.h".
12351 (preprocess_constraints): Use new base_reg_class function.
12352 * regrename.c: Include "addresses.h".
12353 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12354 functions. Keep track of a new var INDEX_CODE to compute valid
12356 (replace_oldest_value_addr): Likewise.
12357 (replace_oldest_value_mem): Use base_reg_class.
12358 * reload.c: Include "addresses.h".
12359 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12360 (find_reloads): Use new base_reg_class function.
12361 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12362 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12363 all callers and prototype changed.
12364 * reload1.c: Include "addresses.h".
12365 (maybe_fix_stack_asms): Use base_reg_class.
12366 * regclass.c: Include "addresses.h".
12367 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12368 (init_reg_autoinc): Use new base_reg_class function.
12369 (record_reg_classes): Likewise.
12370 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12371 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12372 Use new args to compute necessary class.
12374 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12375 regrename.o, rtl-factoring.o): Update dependencies.
12376 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12377 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12378 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12379 REG_OK_FOR_INDEX_P): Delete documentation.
12381 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12383 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12384 from V7 to V9 for Solaris 7 and above.
12386 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12388 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12389 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12390 argument pointers may not alias any other storage.
12391 * common.opt: Define option -fargument-noalias-anything.
12392 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12393 alias semantics is specified by flag_argument_noalias > 2.
12395 2006-03-20 Jeff Law <law@redhat.com>
12397 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12398 (pass_phi_only_cprop): Declare.
12399 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12400 with phi_only_cprop
12401 * tree-ssa-dom.c (degenerate_phi_result): New function.
12402 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12403 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12404 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12405 (eliminate_degenerate_phis): Likewise.
12406 (pass_phi_only_cprop): New pass descriptor.
12407 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12408 support code. Callers updated.
12409 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12410 (store_copy_prop): Likewise.
12411 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12413 2006-03-20 Jason Merrill <jason@redhat.com>
12416 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12417 (push_visibility, pop_visibility): Likewise.
12418 * c-pragma.h: Declare them.
12420 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12422 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12424 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12425 parameter and use get_ebb_head_tail.
12426 (sh_md_init_global): Adjust uses of find_regmode_weight.
12428 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12430 * function.h (struct function) <x_tail_recursion_reentry>:
12431 Rename to x_stack_check_probe_note.
12432 (tail_recursion_reentry): Rename to stack_check_probe_note.
12433 * function.c: Replace tail_recursion_reentry with
12434 stack_check_probe_note everywhere.
12435 (expand_function_start): Only emit a note for
12436 stack_check_probe_note with -fstack-protect.
12437 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12439 * emit-rtl.c (remove_unnecessary_notes): Remove.
12440 (pass_remove_unnecessary_notes): Remove.
12441 * rtl.h (remove_unnecessary_notes): Remove prototype.
12442 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12443 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12444 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12446 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12449 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12450 (valid_in_set): Handle ARRAY_REF.
12451 Change "if min_variant or VH" to asserts.
12452 (create_component_ref_by_pieces): Handle ARRAY_REF.
12453 (create_expression_by_pieces): Likewise.
12454 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12456 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12458 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12459 is operand of switch, not str[0].
12461 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12463 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12464 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12466 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12468 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12469 end of insn_extra_address_constraint declaration.
12471 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12473 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12474 (no-sum-in-toc): Same.
12475 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12477 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12478 NO_FP_IN_TOC for -fPIC instead of mask.
12480 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12481 (BOOT_LDFLAGS): Delete.
12483 * config/rs6000/t-aix52: Same.
12485 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12486 (stmsi[345678]_power): New.
12488 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12490 * config/ia64/ia64.opt: Add empty line to end of file.
12492 2006-03-17 Richard Guenther <rguenther@suse.de>
12494 PR middle-end/26721
12495 * builtins.c (get_pointer_alignment): For component style references
12496 adjust alignment to the component type alignment. Make sure
12497 to adjust alignment for component access of constants.
12499 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12501 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12502 unconditional jump.
12504 2006-03-17 Paul Brook <paul@codesourcery.com>
12506 * doc/install.texi: Docuemnt --with-mode.
12507 * config.gcc: Add --with-mode for arm*-*-*.
12508 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12510 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12512 * sh.c (max_labelno_before_reorg): New variable.
12513 (sh_reorg): Initialize it.
12514 (find_barrier): Check max_labelno_before_reorg before using
12515 label_to_alignment. Take length of explicit alignment insns
12516 into account. When seeing a UNSPECV_CONST_END, return it.
12518 * sh.c (fixup_mova): Set mode of affected label to QImode.
12519 (untangle_mova): New function.
12520 (find_barrier): Use it. Check mode of label before decrementing
12522 (sh_reorg): Likewise.
12523 Set mode of all insns back to VOIDmode.
12525 * sh.c (MOVA_LABELREF): New macro.
12526 (mova_p, fixup_mova, sh_reorg): Use it.
12527 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12528 ADDR_DIFF_VEC matches mova.
12530 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12532 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12533 with ATTRIBUTE_UNUSED.
12535 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12537 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12538 pointer, instead of assuming it is possible to derive the
12539 correct args size from a call insn.
12541 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12543 * rtl.h (CONST_INT_P): Define.
12544 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12545 instead of GET_CODE(x) == CONST_INT.
12546 (vax_rtx_costs): Likewise.
12547 (vax_output_int_move): Likewise.
12548 (vax_output_int_add): Likewise.
12549 (legitimate_constant_address_p): Likewise.
12550 (index_term_p): Likewise.
12551 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12552 * config/vax/vax.md (and<mode>3): Likewise.
12553 (ashrsi3): Likewise.
12555 (movstricthi): Likewise.
12556 (movstrictqi): Likewise.
12557 (rotrsi3): Likewise.
12558 (five unnamed insns): Likewise.
12560 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12562 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12563 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12564 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12565 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12566 Pass to ASM_OUTPUT_DWARF_OFFSET.
12567 * dwarf2out.c (debug_frame_section): New.
12568 (output_call_frame_info): Use debug_frame_section. Pass it to
12569 dw2_asm_output_offset.
12570 (output_die): Pass appropriate section to dw2_asm_output_offset.
12571 (output_compilation_unit_header): Likewise.
12572 (output_pubnames): Likewise.
12573 (output_aranges): Likewise.
12574 (enum dw_val_class): Break dw_val_class_lbl_offset into
12575 dw_val_class_lineptr and dw_val_class_macptr.
12576 (add_AT_lbl_offset): Delete.
12577 (add_AT_lineptr): New.
12578 (add_AT_macptr): New.
12579 (AT_lbl): Expect a lineptr or macptr.
12580 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12581 (attr_checksum): Likewise.
12582 (same_dw_val_p): Likewise.
12583 (size_of_die): Likewise.
12584 (value_format): Likewise.
12585 (output_die): Likewise.
12586 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12588 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12589 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12590 * config/darwin-protos.h (darwin_file_start): New.
12591 (darwin_asm_output_dwarf_offset): New.
12592 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12593 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12595 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12596 if not EH section; simplify.
12597 (darwin_file_start): New.
12598 (darwin_asm_output_dwarf_offset): New.
12599 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12601 (DEBUG_INFO_SECTION): Likewise.
12602 (DEBUG_ABBREV_SECTION): Likewise.
12603 (DEBUG_ARANGES_SECTION): Likewise.
12604 (DEBUG_MACINFO_SECTION): Likewise.
12605 (DEBUG_LINE_SECTION): Likewise.
12606 (DEBUG_LOC_SECTION): Likewise.
12607 (DEBUG_PUBNAMES_SECTION): Likewise.
12608 (DEBUG_STR_SECTION): Likewise.
12609 (DEBUG_RANGES_SECTION): Likewise.
12610 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12611 (ASM_OUTPUT_DWARF_OFFSET): New.
12613 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12615 * config.gcc (tm_defines): Always add to previous value rather
12618 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12620 * config/mips/predicates.md (splittable_const_int_operand): New,
12621 split from move_operand.
12622 (splittable_symbolic_operand): New.
12623 (move_operand): Add commentary. Use splittable_const_int_operand.
12624 Inline mips_atomic_symbolic_constant_p.
12625 * config/mips/mips.md: Add combine splitters for handling moves
12626 of splittable_const_int_operands and splittable_symbolic_operands.
12627 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12628 (mips_split_symbol): Declare.
12629 (mips_move_integer): Declare.
12630 * config/mips/mips.c (mips_split_p): Make global.
12631 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12632 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12633 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12634 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12635 (mips_offset_within_object_p): Handle block symbols.
12636 (mips_atomic_symbolic_constant_p): Delete.
12637 (mips_cannot_force_const_mem): Return false for constants that
12638 mips_legitimize_move can handle.
12639 (mips_use_blocks_for_constant_p): New function.
12640 (mips_split_symbol): Make global.
12641 (mips_move_integer): Likewise. Add a temporary register argument.
12642 (mips_legitimize_const_move): Use splittable_const_int_operand and
12643 splittable_symbolic_operand.
12644 (mips_use_anchors_for_symbol_p): New function.
12645 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12646 (mips_split_p): Declare.
12648 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12650 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12651 (mips*-*-linux*): Likewise.
12653 2006-03-16 Roger Sayle <roger@eyesopen.com>
12654 Daniel Speyer <dspeyer@wam.umd.edu>
12656 PR middle-end/18259
12657 * tree-dump.c (dump_real): New function.
12658 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12659 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12660 (tree-dump.o): Add $(REAL_H) to the dependencies.
12662 2006-03-16 Roger Sayle <roger@eyesopen.com>
12664 PR middle-end/21781
12665 * real.c (real_from_string): If the mantissa is zero, don't bother
12666 parsing the exponent as the result should always be zero.
12668 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12670 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12672 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12674 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12675 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12676 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12677 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12678 ia64_sched_finish_global): New static functions to implement
12679 hooks from gcc_target.sched.
12680 (spec_check_no, max_uid, pending_data_specs): New static variables.
12681 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12682 ia64_spec_check_src_p): New static functions.
12683 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12684 (TARGET_SCHED_ADJUST_COST): Removed.
12685 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12686 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12687 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12688 TARGET_SCHED_GEN_CHECK,
12689 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12690 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12691 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12692 Fixed to handle speculation checks.
12693 (rtx_needs_barrier): Fixed to handle speculative loads and
12695 (ia64_variable_issue): Added code to count speculative loads and their
12697 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12699 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12701 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12703 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12704 (ia64_reorg): Reset stops_p to NULL after it is freed.
12705 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12706 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12707 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12709 (data_speculative, control_speculative, check_load): New attributes.
12710 (mov<mode>_advanced, mov<mode>_speculative,
12711 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12712 zero_extend<mode>di2_speculative,
12713 zero_extend<mode>di2_speculative_advanced): New patterns for
12714 data and control speculative loads.
12715 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12717 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12718 New pattern for data and control speculation checks.
12719 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12720 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12721 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12722 Auxiliary definitions for the patterns.
12723 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12724 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12726 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12728 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12729 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12730 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12731 New resource constraints.
12732 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12734 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12735 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12736 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12737 msched-in-control-spec, msched-ldc, msched-control-ldc,
12738 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12739 msched-prefer-non-control-spec-insns,
12740 msched-count-spec-in-critical-path): New flags to tune speculative
12742 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12743 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12744 msched-in-control-spec, msched-ldc, msched-control-ldc,
12745 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12746 msched-prefer-non-control-spec-insns,
12747 msched-count-spec-in-critical-path): Document new flags.
12749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12751 * target.h (struct spec_info_def): New opaque declaration.
12752 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12753 speculate_insn, needs_block_p, gen_check,
12754 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12755 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12756 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12757 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12758 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12759 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12761 (TARGET_SCHED): Use new macros.
12762 * rtl.h (copy_DEPS_LIST_list): New prototype.
12763 * sched-int.h (struct sched_info): Change signature of new_ready field,
12764 adjust all initializations. New fields: add_remove_insn,
12765 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12766 region_head_or_leaf_p.
12767 (struct spec_info_def): New structure declaration.
12768 (spec_info_t): New typedef.
12769 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12770 recovery_block, orig_pat.
12771 (glat_start, glat_end): New variables declaraions.
12772 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12774 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12775 DETACH_LIFE_INFO, USE_GLAT.
12776 (enum SPEC_SCHED_FLAGS): New enumeration.
12777 (NOTE_NOTE_BB_P): New macro.
12778 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12779 attach_life_info, debug_spec_status, check_reg_live): New functions.
12780 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12781 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12783 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12784 * ddg.c (get_block_head_tail): Adjust all uses.
12785 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12786 (sms_sched_info): Initialize new fields.
12787 (contributes_to_priority): Removed.
12788 * haifa-sched.c (params.h): New include.
12789 (get_block_head_tail): Adjust all uses.
12790 (ISSUE_POINTS): New macro.
12791 (glat_start, glat_end): New global variables.
12792 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12793 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12794 old_last_basic_block, before_recovery, current_sched_info_var,
12795 rgn_n_insns, luid): New static variables.
12796 (insn_cost1): New function. Move logic from insn_cost to here.
12797 (find_insn_reg_weight1): New function. Move logic from
12798 find_insn_reg_weight to here.
12799 (reemit_notes, move_insn, max_issue): Change signature.
12800 (move_insn1): Removed.
12801 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12802 extend_bb): New static functions to support extension of scheduler's
12804 (generate_recovery_code, process_insn_depend_be_in_spec,
12805 begin_speculative_block, add_to_speculative_block,
12806 init_before_recovery, create_recovery_block, create_check_block_twin,
12807 fix_recovery_deps): New static functions to support
12808 generation of recovery code.
12809 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12810 restore_bb_notes, move_block_after_check, move_succs): New static
12811 functions to support ebb scheduling.
12812 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12813 functions to support handling of register live information.
12814 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12815 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12816 add_jump_dependencies): New static functions.
12817 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12818 consistancy checking.
12819 (debug_spec_status): New function to call from debugger.
12820 (priority): Added code to handle speculation checks.
12821 (rank_for_schedule): Added code to distinguish speculative instructions.
12822 (schedule_insn): Added code to handle speculation checks.
12823 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12824 Fixed to handle ebbs.
12825 (move_insn): Added code to handle ebb scheduling.
12826 (max_issue): Added code to use ISSUE_POINTS of instructions.
12827 (choose_ready): Added code to choose between speculative and
12828 non-speculative instructions.
12829 (schedule_block): Added code to handle ebb scheduling and scheduling of
12830 speculative instructions.
12831 (sched_init): Initialize new variables.
12832 (sched_finish): Free new variables. Print statistics.
12833 (try_ready): Added code to handle speculative instructions.
12834 * lists.c (copy_DEPS_LIST_list): New function.
12835 * sched-deps.c (extend_dependency_caches): New function. Move logic
12836 from create_dependency_caches to here.
12837 (get_dep_weak, ds_merge): Make global.
12838 * genattr.c (main): Code to output prototype for
12839 dfa_clear_single_insn_cache.
12840 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12841 (output_dfa_clean_insn_cache_func): Code to output
12842 dfa_clear_single_insn_cache function.
12843 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12845 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12847 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12848 New static variables.
12849 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12850 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12852 (ebb_sched_info): Initialize new fields.
12853 (get_block_head_tail): Adjust all uses.
12854 (compute_jump_reg_dependencies): Fixed to use glat_start.
12855 (schedule_ebb): Code to remove unreachable last block.
12856 (schedule_ebbs): Added code to update register live information.
12857 * sched-rgn.c (region_sched_info): Initialize new fields.
12858 (get_block_head_tail): Adjust all uses.
12859 (last_was_jump): Removed. Adjust users.
12860 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12861 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12862 Implement new hooks.
12863 (check_dead_notes1): New static function.
12864 (struct region): New fields: dont_calc_deps, has_real_ebb.
12865 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12866 (BB_TO_BLOCK): Fixed to handle EBBs.
12867 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12868 (ebb_head): New static variable.
12869 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12870 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12872 (compute_dom_prob_ps): New assertion.
12873 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12874 global_live_at_start.
12875 (init_ready_list): New assertions.
12876 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12877 (new_ready): Add support for BEGIN_CONTROL speculation.
12878 (schedule_insns): Fixed code that updates register live information
12880 (schedule_region): Fixed to handle EBBs.
12881 (init_regions): Use extend_regions and check_dead_notes1.
12882 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12883 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12884 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12885 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12886 TARGET_SCHED_GEN_CHECK,
12887 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12888 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12889 * doc/invoke.texi (max-sched-insn-conflict-delay,
12890 sched-spec-prob-cutoff): Document.
12892 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12894 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12895 inter_tick, queue_index.
12896 (struct sched_info): Change signature of init_ready_list field.
12897 Adjust all initializations.
12898 (RESOLVED_DEPS): New access macro.
12899 (ready_add): Remove prototype.
12900 (try_ready): Add prototype.
12901 * sched-rgn.c (init_ready_list): Use try_ready.
12902 (schedule_region): Initialize
12903 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12904 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12905 (init_ready_list): Use try_ready.
12906 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12907 * lists.c (remove_list_elem): Remove `static'.
12908 (remove_free_INSN_LIST_elem): New function.
12909 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12910 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12911 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12913 (readyp): New variable.
12914 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12915 change_queue_index, resolve_dep): New static functions.
12916 (try_ready): New function. Adjust callers in sched-rgn.c and
12917 sched-ebb.c to use it instead of ready_add.
12918 (clock_var): Move at the begining of file.
12919 (rank_for_schedule): Fix typo.
12920 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12921 (ready_lastpos): Enforce assertion.
12922 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12923 update all callers.
12924 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12925 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12926 (queue_to_ready): Use free_INSN_LIST_list.
12927 (early_queue_to_ready): Fix typo.
12928 (schedule_block): Init readyp. Move init_ready_list call after the
12929 initialization of clock_var. Fix error in rejecting insn by
12930 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12931 that previously corrected INSN_TICKs. Add code for handling
12933 (set_priorities): Fix typo.
12934 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12935 Clarify comment and code that keeps current_sched_info->next_tail
12938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12940 * sched-rgn.c (extend_rgns): New static function.
12941 (find_rgns): Use it.
12942 (gather_region_statistics, print_region_statistics): New static
12944 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12945 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12948 Andrey Belevantsev <abel@ispras.ru>
12950 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12951 * lists.c (unused_deps_list): New variable.
12952 (free_list): Add assertions to verify the proper distinguishing
12953 between INSN_LISTs and DEPS_LISTs.
12954 (find_list_elem, remove_list_elem, remove_list_node): New static
12956 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12957 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12958 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12959 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12961 (free_INSN_LIST_node): Likewise.
12962 * modulo-sched.c (current_sched_info): Initialize flags field.
12963 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12964 * rtl.def (DEPS_LIST): Define.
12965 * rtl.h: Declare new functions from lists.c.
12966 * sched-deps.c (spec_dependency_cache): New static variable.
12967 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12968 (add_dependence): Change return type to void. Move the logic to ...
12969 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12970 (delete_all_dependences): Add comment about forward_dependency_cache.
12971 Handle spec_dependency_cache. Handle DEPS_LISTs.
12972 (fixup_sched_groups): Clarify the change of priority of output
12973 and anti dependencies.
12974 (sched_analyze_2): Adjust add_dependence calls to create data
12975 speculative dependence.
12976 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12977 Adjust all callers. Handle DEPS_LISTS.
12978 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12979 presence of speculation.
12980 (init_dependency_caches, free_dependency_caches):
12981 Handle spec_dependency_cache.
12982 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12983 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12984 New static functions.
12985 (add_or_update_back_dep, add_or_update_back_forw_dep,
12986 add_back_forw_dep, delete_back_forw_dep): New functions.
12987 * sched-int.h (ds_t, dw_t): New typedefs.
12988 (struct sched_info): Add new field flags.
12989 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12990 Prototype new sched-deps.c functions.
12991 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12992 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12993 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12994 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12995 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12996 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12998 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13000 * sched-rgn.c (current_sched_info): Initialize flags field.
13001 (schedule_insns): Initialize current_sched_info before the sched_init
13003 * sched-ebb.c (current_sched_info): Initialize flags field.
13004 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13005 Call add_or_update_back_dep instead of add_dependence.
13006 Create control speculative dependencies.
13007 (schedule_insns): Initialize current_sched_info before the sched_init
13010 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13012 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13014 (sh_fallback_frame_state): Likewise.
13016 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13018 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13019 Do switch on default_use_cxa_atexit.
13020 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13021 * config/darwin-crt3.o: New.
13022 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13023 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13024 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13026 * config/rs6000/t-darwin: Move crt2.o building to here.
13027 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13028 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13031 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13033 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13034 from '! xxx' to '!xxx' for coding-style conformance.
13035 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13036 (EXTRA_CONSTRAINT): Likewise.
13037 * config/vax/vax.md (four unnamed insns): Likewise.
13039 2006-03-15 Paul Brook <paul@codesourcery.com>
13041 * config/arm/arm.c (minipool_pad): New.
13042 (add_minipool_forward_ref): Include pool alignment padding in address
13044 (push_minipool_fix): Set minipool_pad.
13045 (minipool_pad): Ditto.
13047 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13049 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13050 instead of GET_CODE() == MEM and REG_P() instead of
13052 (print_operand_address): Likewise.
13053 (vax_address_cost): Likewise.
13054 (vax_rtx_costs): Likewise.
13055 (vax_notice_update_cc): Likewise.
13056 (vax_output_int_add): Likewise.
13057 (INDEX_REGISTER_P): Likewise.
13058 (BASE_REGISTER_P): Likewise.
13059 (nonindexed_address_p): Likewise.
13060 (vax_mode_dependent_address_p): Likewise.
13061 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13062 (PRINT_OPERAND): Likewise.
13063 * config/vax/vax.md (ashlsi3): Likewise.
13064 (ashlsi3): Likewise.
13065 (some more unnamed insns): Likewise.
13067 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13069 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13070 iterator-style macro.
13071 (mark_control_dependent_edges_necessary): Update the use of
13072 EXECUTE_IF_CONTROL_DEPENDENT.
13074 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13076 * config/sh/predicates.md (cache_address_operand): Special.
13077 (ua_address_operand): Likewise.
13079 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13081 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13083 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13085 2006-03-15 Andreas Schwab <schwab@suse.de>
13087 * gensupport.c (identify_predicable_attribute): Don't free p_false
13088 when it is still in use.
13090 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13092 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13093 the default setting here.
13095 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13097 * tree-pass.h (pass_cfg): Remove.
13098 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13099 * passes.c (pass_cfg): Don't run it.
13101 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13103 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13104 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13106 (stack_regs_mentioned): Update the uses of
13107 stack_regs_mentioned_data. Don't access the array beyond its
13109 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13110 Don't include gt-reg-stack.h.
13112 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13113 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13115 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13117 PR middle-end/26684
13118 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13121 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13123 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13125 2006-03-14 Richard Guenther <rguenther@suse.de>
13127 PR tree-optimization/26672
13128 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13131 2006-03-14 Richard Guenther <rguenther@suse.de>
13133 PR tree-optimization/26667
13134 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13135 node for the callees. Always allow inlining if it will shrink
13138 2006-03-14 Richard Guenther <rguenther@suse.de>
13140 PR middle-end/26659
13141 * builtins.c (get_pointer_alignment): Prefer alignment
13142 information from decls over that from types.
13144 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13147 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13149 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13151 * config/rs6000/rs6000.opt (mdlmzb): New option.
13152 (msched-prolog, msched-epilog): Use Var not Mask.
13153 * doc/invoke.texi (-mdlmzb): Document.
13154 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13156 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13157 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13159 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13161 PR rtl-optimization/25739
13162 * bt-load.c (augment_live_range): Free tos pointer.
13164 * gensupport.c (identify_predicable_attribute): Free
13166 * gcov.c (create_file_names): Free name pointer.
13168 2006-03-13 Roger Sayle <roger@eyesopen.com>
13170 PR middle-end/26557
13171 * stmt.c (emit_case_nodes): Handle the case where the index is a
13172 CONST_INT, where the comparison mode is specified by the index type.
13174 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13176 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13179 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13181 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13182 (*branch_fp_inverted): Likewise.
13184 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13186 PR middle-end/25989
13187 * omp-low.c (expand_omp_for_generic): Mark istart0
13188 and iend0 as addressable.
13190 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13192 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13194 2006-03-13 Jeff Law <law@redhat.com>
13196 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13197 virtual operands are interesting.
13198 (vrp_visit_stmt): Corresponding changes.
13200 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13202 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13204 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13205 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13206 * config/bfin/crti.S: Use it instead of __PIC__.
13207 * config/bfin/crtn.S: Likewise.
13209 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13210 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13212 Lose 'G' modifier for call operand.
13213 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13214 recognize 'G' modifier.
13216 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13218 PR middle-end/18859
13219 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13220 * stmt.c (expand_case): Likewise.
13222 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13224 PR rtl-optimization/26254
13225 * loop-invariant.c (seq_insns_valid_p): New function.
13226 (move_invariant_reg): Only emit new code if it is valid.
13228 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13230 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13232 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13233 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13234 (commit_one_edge_insertion): Do not look for loop notes.
13236 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13238 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13239 flag_test_coverage out of loop.
13241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13243 * final.c (shorten_branches): Remove outdated comment, and turn
13244 the if branch that guards it to continue.
13246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13248 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13249 * cfgloop.h (struct loop): Remove unused fields.
13251 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13253 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13254 (-dL, -fdump-rtl-loop2): Update the dump file names
13256 * doc/invoke.texi: Update dump file names.
13258 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13260 * predict.c (estimate_probability): Remove.
13261 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13262 * basic-block.h (estimate_probability): Remove prototype.
13263 * passes.c (finish_optimization_passes): Dump branch prediction or
13264 profiling heuristics to the .profile tree dump.
13265 (init_optimization_passes): Unqueue pass_branch_prob.
13267 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13269 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13271 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13272 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13274 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13276 * function.h (frame_offset_overflow): Declare.
13277 * function.c (frame_offset_overflow): New function.
13278 (assign_stack_local_1): Call it to detect that the offset overflows.
13279 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13281 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13283 * config/sh/sh.c: Include alloc-pool.h.
13284 (label_ref_list_pool): New alloc pool.
13285 (label_ref_list_t): New type for lists of labels.
13286 (struct pool_node): Make wend a label_ref_list_t.
13287 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13289 (dump_table): Likewise.
13290 (sh_reorg): Set up the alloc pool before using add_constant and
13291 dump_table, and destroy it when finishing.
13293 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13295 * config/mips/mips.c: Remove redundant comment.
13297 2006-03-10 Jason Merrill <jason@redhat.com>
13300 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13301 the target was declared 'register'.
13303 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13305 * genpreds.c (write_insn_constraint_len): Change definition of
13306 insn_constraint_len to return size_t to match the declaration.
13308 2006-03-10 DJ Delorie <dj@redhat.com>
13310 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13312 (m32c_expand_insv): Fix test for an AND mask.
13314 2006-03-10 Richard Guenther <rguenther@suse.de>
13316 PR middle-end/26565
13317 * builtins.c (get_pointer_alignment): Handle component
13318 references for field alignment.
13320 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13322 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13323 when building with libgloss.
13324 (sh*elf): Implement --without-fp option.
13325 (sh64-superh-linux*): Don't multilib.
13327 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13329 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13331 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13333 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13334 Set it when one of the replacement functions returned true.
13335 Return TODO_cleanup_cfg if cfgchanged is true.
13336 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13338 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13340 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13341 instead of gen_lowpart.
13343 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13345 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13347 (mips_output_order_conditional_branch): Declare.
13348 * config/mips/mips.h (MIPS_BRANCH): New macro.
13349 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13350 for the comparison. Use gen_condjump.
13351 (mips_output_conditional_branch): Rework interface to take the
13352 asm templates for a direct branch and the inverse of a direct branch.
13353 (mips_output_order_conditional_branch): New function.
13354 (mips_builtin_branch_and_move): New function.
13355 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13356 branch condition. Use gen_single_cc as the condition for
13357 __builtin_mips_upper_* or __builtin_mips_lower_*.
13358 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13359 Use VOIDmode for the branch condition.
13360 * config/mips/predicates.md (order_operator): New predicate.
13361 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13362 (branch_fp): Rename to...
13363 (*branch_fp): ...this. Remove mode from comparison operator.
13364 Use new mips_output_conditional_branch interface.
13365 (branch_fp_inverted): Rename to...
13366 (*branch_fp_inverted): ...this and update as for *branch_fp.
13367 (*branch_zero<mode>): Rename to...
13368 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13369 Use mips_output_order_conditional_branch. Only accept ordered
13371 (*branch_zero<mode>_inverted): Rename to...
13372 (*branch_order<mode>_inverted): ...this and update as for
13373 *branch_order<mode>.
13374 (*branch_equality<mode>): Accept zero as the second operand to
13375 the equality operator. Use the new mips_output_conditional_branch
13377 (*branch_equality<mode>_inverted): Likewise.
13378 (condjump): New expander.
13379 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13381 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13382 (bc1any2t, bc1any2f): Likewise.
13383 (single_cc): New expander.
13384 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13386 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13388 * doc/md.texi: Update documentation of MIPS constraints.
13389 * config/mips/constraints.md: New file.
13390 * config/mips/mips.md: Include it.
13391 * config/mips/mips.c (mips_char_to_class): Delete.
13392 (override_options): Don't initialize mips_char_to_class.
13393 * config/mips/mips.h (mips_char_to_class): Delete.
13394 (REG_CLASS_FROM_LETTER): Delete.
13395 (CONST_OK_FOR_LETTER_P): Delete.
13396 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13397 (EXTRA_CONSTRAINT_Y): Delete.
13398 (EXTRA_CONSTRAINT_STR): Delete.
13399 (CONSTRAINT_LEN): Delete.
13400 (EXTRA_MEMORY_CONSTRAINT): Delete.
13402 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13404 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13405 original fn's eh regions.
13407 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13409 * fold-const.c (build_range_check): Make sure to use a valid type to
13410 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13413 (range_predecessor): New static function.
13414 (range_successor): Likewise.
13415 (merge_ranges): Use them to compute predecessors and successors of
13418 2006-03-09 Roger Sayle <roger@eyesopen.com>
13420 PR middle-end/26561
13421 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13422 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13424 2006-03-08 DJ Delorie <dj@redhat.com>
13426 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13427 (addpsi3): Expand to include memory operands. Remove
13428 reload-specific splits.
13429 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13430 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13431 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13432 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13433 (shift1_qi, shift1_hi, insv): New.
13434 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13435 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13436 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13438 * config/m32c/m32c-protos.h: Update as needed.
13439 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13440 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13441 Fail for unrecognized R* constraints.
13442 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13443 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13444 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13446 (m32c_init_libfuncs): New.
13447 (m32c_legitimate_address_p): Add debug wrapper.
13448 (m32c_rtx_costs): New.
13449 (m32c_address_cost): New.
13450 (conversions): Add 'B' prefix.
13451 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13452 operands, or word regnames for QI operands. 'B' prints bit
13454 (m32c_expand_setmemhi): New.
13455 (m32c_expand_movmemhi): New.
13456 (m32c_expand_movstr): New.
13457 (m32c_expand_cmpstr): New.
13458 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13459 (m32c_expand_neg_mulpsi3): Handle non-ints.
13460 (m32c_cmp_flg_0): New.
13461 (m32c_expand_movcc): New.
13462 (m32c_expand_insv): New.
13463 (m32c_scc_pattern): New.
13464 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13465 a0/a1 out of SIregs.
13466 (STORE_FLAG_VALUE): New.
13467 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13470 * config/m32c/mov.md: Make constraints more liberal.
13471 (zero_extendqihi2): Optimize r0/r1 case.
13472 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13473 * config/m32c/predicates.md (m32c_any_operand): New.
13474 (m32c_nonimmediate_operand): New.
13475 (m32c_hl_operand): New.
13476 (m32c_r3_operand): New.
13479 (memsym_operand): New.
13480 (memimmed_operand): New.
13481 (a_qi_operand): New.
13482 (m32c_eqne_operator): New.
13483 (m32c_1bit8_operand): New.
13484 (m32c_1bit16_operand): New.
13485 (m32c_1mask8_operand): New.
13486 (m32c_1mask16_operand): New.
13487 * config/m32c/blkmov.md: New file.
13488 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13490 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13492 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13493 unsigned to fix signed/unsigned comparison issue in
13494 DWARF2_FRAME_REG_OUT.
13495 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13496 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13498 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13499 of ptr into the ENABLE_CHECKING section.
13501 2006-03-08 Jeff Law <law@redhat.com>
13503 * tree-vrp.c (infer_value_range): Only count pointer uses
13504 and dereferences if -fdelete-null-pointer-checks is enabled.
13506 * tree-vrp.c (find_assert_locations): Infer value ranges for
13507 single use pointers, but do not create ASSERT_EXPRs for them.
13508 When a non-null range is inferred for a pointer, backwards
13509 propagate that range to other equivalent pointers through the
13512 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13515 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13516 language hook targets.
13517 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13518 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13519 if language hook targets were missing.
13521 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13523 * tree-ssa-opfinalize.h: Removed.
13524 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13526 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13527 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13528 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13529 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13530 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13531 finalize_ssa_v_must_def_ops): New.
13533 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13535 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13536 block as parameter.
13538 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13540 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13542 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13543 addresses with offsets; reorganize.
13545 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13546 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13547 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13549 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13552 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13554 2006-03-08 Ben Elliston <bje@au.ibm.com>
13556 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13558 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13561 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13564 2006-03-07 Richard Guenther <rguenther@suse.de>
13566 PR tree-optimization/26587
13567 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13569 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13571 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13573 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13575 * hooks.c (hook_bool_mode_rtx_true): New function.
13576 * hooks.h (hook_bool_mode_rtx_true): Declare.
13577 * toplev.c (compile_file): Call output_shared_constant_pool.
13578 * varasm.c (shared_constant_pool): New variable.
13579 (assemble_start_function, assemble_end_function): Remove arguments
13580 from call to output_constant_pool.
13581 (create_constant_pool): New function, split out from...
13582 (init_varasm_status): ...here.
13583 (force_const_mem): Choose between the shared and per-function constant
13584 pools. Set current_function_uses_const_pool when reusing old entries
13585 as well as when creating new ones.
13586 (mark_constant): Ignore data argument.
13587 (mark_constants): Remove pool argument.
13588 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13589 to decide whether the function uses a constant pool.
13590 (output_constant_pool_contents): New function, split out from...
13591 (output_constant_pool): ...here.
13592 (output_shared_constant_pool): New function.
13593 (init_varasm_once): Initialize shared_constant_pool.
13594 * output.h (output_constant_pool): Delete.
13595 (output_shared_constant_pool): Declare.
13596 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13597 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13599 2006-03-06 Nick Clifton <nickc@redhat.com>
13601 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13602 flag_strength_reduce.
13604 2006-03-06 Ben Elliston <bje@au.ibm.com>
13606 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13607 x86_64-*-linux* configurations.
13609 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13610 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13612 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13614 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13616 * basic-block.h: Remove the extern for
13617 rediscover_loops_after_threading.
13619 * cfgloop.c (cancel_loop): Make it static.
13620 * cfgloop.h: Remove the prototype for cancel_loop.
13622 * flow.c (recompute_reg_usage): Make it static.
13623 * rtl.h: Remove the prototype for recompute_reg_usage.
13625 * function.c (use_return_register): Make it static.
13626 * function.h: Remove the prototype.
13628 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13630 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13632 * recog.h: Remove the prototype for
13633 validate_change_maybe_volatile.
13635 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13637 * rtlanal.c (replace_reg): Remove.
13638 * rtl.h: Remove the prototype for replace_reg.
13640 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13642 * regclass.c (reg_scan_update): Remove.
13643 (reg_scan_mark_refs): Remove the last argument.
13644 * rtl.h: Remove the prototype for reg_scan_update.
13646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13648 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13649 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13650 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13651 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13652 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13653 loop-invariant.c, omp-low.c, opts.c, passes.c,
13654 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13655 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13656 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13657 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13658 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13659 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13661 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13663 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13664 * dwarf2out.h: Remove the prototype for
13665 dwarf2out_add_library_unit_info.
13667 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13669 * tree.c (add_var_to_bind_expr): Remove.
13670 * tree.h: Remove the prototype for add_var_to_bind_expr.
13672 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13674 * regclass.c (n_non_fixed_regs): Remove.
13675 (init_reg_sets_1, globalize_reg): Remove all uses of
13677 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13679 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13681 * rtlanal.c (insns_safe_to_move_p): Remove.
13682 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13684 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13686 * expmed.c (expand_mult_add): Remove.
13687 * expr.h: Remove the prototype for expand_mult_add.
13689 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13691 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13692 and REG_SAVED_VAL_EXP constants.
13693 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13694 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13695 Handle regs stored by value.
13696 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13697 (execute_cfa_program): Handle DW_CFA_val_offset,
13698 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13699 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13700 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13701 (uw_install_context_1): Handle target regs stored by value.
13703 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13705 * tree-sra.c (tree_sra): Return todoflags;
13706 (generate_one_element): Set TODO_update_smt_usage if needed.
13707 (pass_sra): Remove TODO_update_smt_usage.
13708 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13710 (tree_ssa_forward_propagate_single_use_vars): Return
13711 TODO_update_smt_usage if we need to update SMT usage.
13712 (pass_forwprop): Remove TODO_update_smt_usage.
13714 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13716 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13717 (correct_use_link): Remove reference to get_stmt_operands.
13718 (update_stmt_operands): Likewise.
13719 (get_modify_expr_operands): New function factored out of
13720 parse_ssa_operands and get_expr_operands.
13721 Try to create V_MUST_DEFs for LHS by default.
13722 (get_expr_operands) <case MODIFY_EXPR>: Call
13723 get_modify_expr_operands.
13724 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13725 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13726 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13727 get_modify_expr_operands.
13729 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13731 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13732 * tree-flow.h: Remove the prototype for
13733 referenced_var_lookup_if_exists.
13735 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13737 PR rtl-optimization/26345
13739 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13741 2006-03-03 Roger Sayle <roger@eyesopen.com>
13743 PR tree-optimization/26524
13744 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13745 fold_convert to create a constant of the appropriate type.
13747 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13749 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13750 SYMBOL_REF_IN_BLOCK_P.
13751 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13752 of SYMBOL_FLAG_IN_BLOCK.
13753 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13754 instead of SYMBOL_REF_IN_BLOCK_P.
13755 * explow.c (use_anchored_address): Likewise.
13756 * rtl.c (rtx_size): Likewise.
13757 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13758 instead of SYMBOL_FLAG_IN_BLOCK.
13759 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13760 SYMBOL_REF_IN_BLOCK_P.
13761 (assemble_variable): Likewise.
13762 (output_constant_def_contents): Likewise.
13763 (output_constant_pool): Likewise.
13764 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13765 instead of SYMBOL_FLAG_IN_BLOCK.
13766 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13767 SYMBOL_REF_IN_BLOCK_P.
13768 (SYMBOL_REF_BLOCK): Likewise.
13769 (SYMBOL_REF_OFFSET): Likewise.
13770 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13771 SYMBOL_REF_IN_BLOCK_P.
13772 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13773 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13774 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13775 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13777 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13779 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13781 2006-03-02 Roger Sayle <roger@eyesopen.com>
13783 * simplify-rtx.c (simplify_unary_operation): When simplifying
13784 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13785 that we perform the right shift in the appropriate mode, and
13786 then extend or truncate the result to requested mode.
13788 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13790 * gengtype.c (main): Handle double_int type.
13791 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13792 * double-int.c: New file.
13793 * double-int.h: New file.
13794 * system.h: Include doubleint.h.
13795 * Makefile.in (SYSTEM_H): Include double-int.h.
13796 (double-int.o): Add.
13798 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13801 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13804 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13806 * tree-vrp.c (remove_range_assertions): Do not update statements
13809 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13811 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13813 * gcse.c (rest_of_handle_gcse): Ditto.
13814 * except.c (gate_handle_eh): Ditto.
13815 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13816 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13818 2006-03-02 Eric Christopher <echristo@apple.com>
13820 * config/i386/i386.c (machopic_output_stub): Add indirection to
13823 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13827 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13829 Sun Niagara specific optimizations.
13830 * config.gcc: Recognize niagara as target.
13831 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13832 (TARGET_CPU_niagara): Define.
13833 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13834 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13835 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13836 (ASM_CPU_SPEC): Likewise.
13837 (PROCESSOR_NIAGARA): New enum entry.
13838 (REGISTER_MOVE_COST): Handle Niagara.
13839 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13840 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13841 (sparc_override_options): Recognize "niagara", set appropriate
13842 default MASK_* values for it, and align functions to 32-bytes
13843 by default just like ULTRASPARC/ULTRASPARC3.
13844 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13845 (sparc64_initialize_trampoline): Likewise.
13846 (sparc_use_sched_lookahead): Use zero for niagara.
13847 (sparc_issue_rate): Use one for niagara.
13848 * config/sparc/niagara.md: New file.
13849 * config/sparc/sparc.md: Include it.
13850 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13851 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13852 when default cpu is niagara.
13853 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13854 (ASM_CPU_SPEC): Likewise.
13855 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13856 when default cpu is niagara.
13857 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13858 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13859 just like v9/ultrasparc/ultrasparc3.
13860 * doc/invoke.texi: Add documentation for "niagara" and improve
13861 existing documentation for ultrasparc variants.
13863 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13865 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13867 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13869 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13870 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13871 and say that only one is needed.
13872 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13873 * target.h (have_switchable_bss_sections): New hook.
13874 * explow.c (use_anchored_address): Check that the symbol is in a block.
13875 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13876 (bss_noswitch_section): New variables.
13877 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13878 (get_noswitch_section): New function.
13879 (get_block_for_section): Allow SECT to be null.
13880 (unlikely_text_section_p): Use SECTION_STYLE.
13881 (bss_initializer_p): New function.
13882 (get_variable_section): Move earlier in file. Take a new argument,
13883 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13884 Return one of the new *_sections in such cases.
13885 (get_block_for_decl): New function, extracting some logic from
13886 use_blocks_for_decl_p.
13887 (change_symbol_section): Remove in favor of...
13888 (change_symbol_block): ...this new function.
13889 (use_blocks_for_decl_p): Remove checks now performed by
13890 get_block_for_decl.
13891 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13892 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13893 (emit_local, emit_bss, emit_common): ...these new functions.
13894 Return true if the alignment was honored.
13895 (emit_tls_common): New function.
13896 (asm_emit_uninitialised): Delete.
13897 (assemble_variable_noswitch): New function, split out from...
13898 (assemble_variable): ...here. Don't make decisions about common
13899 variables here. Globalize all public decls that go into non-common
13900 sections. Check whether SYMBOL_REF_BLOCK is null.
13901 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13902 (output_constant_pool): Likewise.
13903 (init_varasm_once): Initialize the new section variables.
13904 (have_global_bss_p): New function.
13905 (categorize_decl_for_section): Use bss_initializer_p.
13906 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13907 (place_block_symbol): Assert that the symbol must be in a block.
13908 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13909 (TARGET_INITIALIZER): Include it.
13910 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13911 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13912 (SECTION_MACH_DEP): Bump by two.
13913 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13914 (unnamed_section): Mention SECTION_UNNAMED in comment.
13915 (named_section): Likewise SECTION_NAMED.
13916 (noswitch_section_callback): New type.
13917 (noswitch_section): New structure.
13918 (section): Add a noswitch_section alternative.
13919 (SECTION_STYLE): New macro.
13920 (tls_comm_section, comm_section, lcomm_section): Declare.
13921 (bss_noswitch_section, have_global_bss_p): Declare.
13922 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13923 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13925 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13926 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13929 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13931 * tree-vrp.c (execute_vrp): Return value.
13932 * regrename.c (rest_of_handle_regrename): Ditto.
13933 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13934 * tree-complex.c (tree_lower_complex): Ditto.
13935 (tree_lower_complex_O0): Ditto.
13936 * tracer.c (rest_of_handle_tracer): Ditto.
13937 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13938 * postreload.c (rest_of_handle_postreload): Ditto.
13939 * tree-tailcall.c (execute_tail_recursion): Ditto.
13940 (execute_tail_calls): Ditto.
13941 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13942 * tree.h (init_function_for_compilation): Ditto.
13943 * ipa-cp.c (ipcp_driver): Ditto.
13944 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13945 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13946 * final.c (compute_alignments): Ditto.
13947 (rest_of_handle_final): Ditto.
13948 (rest_of_handle_shorten_branches): Ditto.
13949 (rest_of_clean_state): Ditto.
13950 * omp-low.c (execute_expand_omp): Ditto.
13951 (execute_lower_omp): Ditto.
13952 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13953 * ipa-reference.c (static_execute): Ditto.
13954 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13955 * reorg.c (rest_of_handle_delay_slots): Ditto.
13956 (rest_of_handle_machine_reorg): Ditto.
13957 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13958 * flow.c (recompute_reg_usage): Ditto.
13959 (rest_of_handle_remove_death_notes): Ditto.
13960 (rest_of_handle_life): Ditto.
13961 (rest_of_handle_flow2): Ditto.
13962 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13963 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13964 (do_ssa_store_ccp): Ditto.
13965 (execute_fold_all_builtins): Ditto.
13966 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13967 * modulo-sched.c (rest_of_handle_sms): Ditto.
13968 * ipa-pure-const.c (static_execute): Ditto.
13969 * cse.c (rest_of_handle_cse): Ditto.
13970 (rest_of_handle_cse2): Ditto.
13971 * web.c (rest_of_handle_web): Ditto.
13972 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13973 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13974 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13975 * tree-nrv.c (tree_nrv): Ditto.
13976 (execute_return_slot_opt): Ditto.
13977 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13978 (create_structure_vars): Ditto.
13979 * loop-init.c (rtl_loop_init): Ditto.
13980 (rtl_loop_done): Ditto.
13981 (rtl_move_loop_invariants): Ditto.
13982 (rtl_unswitch): Ditto.
13983 (rtl_unroll_and_peel_loops): Ditto.
13984 (rtl_doloop): Ditto.
13985 * gimple-low.c (lower_function_body): Ditto.
13986 (mark_used_blocks): Ditto.
13987 * tree-ssa-sink.c (execute_sink_code): Ditto.
13988 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13989 (cgraph_early_inlining): Ditto.
13990 * global.c (rest_of_handle_global_alloc): Ditto.
13991 * jump.c (cleanup_barriers): Ditto.
13992 (purge_line_number_notes): Ditto.
13993 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13994 (rest_of_handle_if_after_reload): Ditto.
13995 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13996 (tree_ssa_loop_im): Ditto.
13997 (tree_ssa_loop_unswitch): Ditto.
13998 (tree_vectorize): Ditto.
13999 (tree_linear_transform): Ditto.
14000 (tree_ssa_loop_ivcanon): Ditto.
14001 (tree_ssa_empty_loop): Ditto.
14002 (tree_ssa_loop_bounds): Ditto.
14003 (tree_complete_unroll): Ditto.
14004 (tree_ssa_loop_prefetch): Ditto.
14005 (tree_ssa_loop_ivopts): Ditto.
14006 (tree_ssa_loop_done): Ditto.
14007 * predict.c (tree_estimate_probability): Ditto.
14008 * recog.c (split_all_insns_noflow): Ditto.
14009 (rest_of_handle_peephole2): Ditto.
14010 (rest_of_handle_split_all_insns): Ditto.
14011 * tree-eh.c (lower_eh_constructs): Ditto.
14012 * regmove.c (rest_of_handle_regmove): Ditto.
14013 (rest_of_handle_stack_adjustments): Ditto.
14014 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14015 * function.c (instantiate_virtual_regs): Ditto.
14016 (init_function_for_compilation): Ditto.
14017 (rest_of_handle_check_leaf_regs): Ditto.
14018 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14019 (rest_of_handle_gcse): Ditto.
14020 * ipa-type-escape.c (type_escape_execute): Ditto.
14021 * alias.c (rest_of_handle_cfg): Ditto.
14022 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14023 * profile.c (rest_of_handle_branch_prob): Ditto.
14024 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14025 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14026 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14027 * tree-dfa.c (find_referenced_vars): Ditto.
14028 * except.c (set_nothrow_function_flags): Ditto.
14029 (convert_to_eh_region_ranges): Ditto.
14030 (rest_of_handle_eh): Ditto.
14031 * emit-rtl.c (unshare_all_rtl): Ditto.
14032 (remove_unnecessary_notes): Ditto.
14033 * except.h (set_nothrow_function_flags): Ditto.
14034 (convert_to_eh_region_ranges): Ditto.
14035 * cfgexpand.c (tree_expand_cfg): Ditto.
14036 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14037 * tree-ssa-pre.c (do_pre): Ditto.
14038 (execute_fre): Ditto.
14039 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14040 (rest_of_handle_jump2): Ditto.
14041 * tree-sra.c (tree_sra): Ditto.
14042 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14043 (execute_mudflap_function_decls): Ditto.
14044 * tree-ssa-copy.c (do_copy_prop): Ditto.
14045 (do_store_copy_prop): Ditto.
14046 * ipa-prop.h (ipcp_driver): Ditto.
14047 * cfglayout.c (insn_locators_initialize): Ditto.
14048 * tree-ssa-forwprop.c
14049 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14050 * cfglayout.h (insn_locators_initialize): Ditto.
14051 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14052 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14053 (execute_late_warn_uninitialized): Ditto.
14054 * rtl.h (cleanup_barriers): Ditto.
14055 (split_all_insns_noflow): Ditto.
14056 (purge_line_number_notes): Ditto.
14057 (unshare_all_rtl): Ditto.
14058 (remove_unnecessary_notes): Ditto.
14059 (recompute_reg_usage): Ditto.
14060 (variable_tracking_main): Ditto.
14061 * integrate.c (emit_initial_value_sets): Ditto.
14062 * integrate.h (emit_initial_value_sets): Ditto.
14063 * tree-optimize.c (execute_free_datastructures): Ditto
14064 (execute_free_cfg_annotations): Ditto.
14065 (execute_fixup_cfg): Ditto.
14066 (execute_cleanup_cfg_pre_ipa): Ditto.
14067 (execute_cleanup_cfg_post_optimizing): Ditto.
14068 (execute_init_datastructures): Ditto.
14069 * tree-object-size.c (compute_object_sizes): Ditto.
14070 * combine.c (rest_of_handle_combine): Ditto.
14071 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14072 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14073 (rest_of_handle_reorder_blocks): Ditto.
14074 (rest_of_handle_partition_blocks): Ditto.
14075 * var-tracking.c (variable_tracking_main): Ditto.
14076 * tree-profile.c (tree_profiling): Ditto.
14077 * tree-vect-generic.c (expand_vector_operations): Ditto.
14078 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14079 * sched-rgn.c (rest_of_handle_sched): Ditto.
14080 (rest_of_handle_sched2): Ditto.
14081 * basic-block.h (free_bb_insn): Ditto.
14082 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14083 * tree-cfg.c (execute_build_cfg): Ditto.
14084 (remove_useless_stmts): Ditto.
14085 (split_critical_edges): Ditto.
14086 (execute_warn_function_return): Ditto.
14087 (execute_warn_function_noreturn): Ditto.
14088 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14089 * cfgrtl.c (free_bb_for_insn): Ditto.
14090 * passes.c (execute_one_pass): Run additional
14091 todos returned by execute function.
14092 * tree-pass.h (struct tree_opt_pass): Make execute
14095 2006-03-02 Richard Guenther <rguenther@suse.de>
14097 * tree-ssa-alias.c (find_used_portions): Consider taking
14098 the address as making the variable not write-only.
14100 2006-03-02 Nick Clifton <nickc@redhat.com>
14102 * config.gcc (default_use_cxa_atexit): Extend the description of
14103 this configure variable. Set its default value to "yes" for
14104 Linux, NetBSD and ELF targets on the assumption that they will
14105 use C libraries with the __cxa_atexit function.
14107 2006-03-02 Ben Elliston <bje@au.ibm.com>
14109 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14110 parameter as unused to suppress a build warning.
14112 2006-03-02 Ben Elliston <bje@au.ibm.com>
14114 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14117 2006-03-01 Roger Sayle <roger@eyesopen.com>
14120 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14121 declared name, the weak reference name, and the typeof name.
14122 (__gthrw): Avoid expanding the declared name suffix.
14123 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14125 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14127 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14129 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14130 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14131 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14132 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14133 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14134 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14135 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14136 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14137 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14138 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14139 (DW_END_default, DW_END_big, DW_END_little): New.
14140 (DW_END_lo_user, DW_END_hi_user): Define.
14141 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14142 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14143 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14146 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14148 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14150 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14152 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14154 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14156 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14157 to 'symbol_mem_tag'.
14159 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14162 2006-03-01 Roger Sayle <roger@eyesopen.com>
14164 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14166 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14169 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14170 MACHO_DYNAMIC_NO_PIC_P.
14171 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14173 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14176 * config/darwin-protos.h (darwin_asm_output_anchor):
14178 * config/darwin-sections.def (cstring_section):
14179 Add SECTION_MERGE to the flags.
14180 (literal4_section): Likewise.
14181 (literal8_section): Likewise.
14182 (objc_selector_refs_section): Likewise.
14183 (objc_cls_refs_section): Likewise.
14184 * config/darwin.c (darwin_asm_output_anchor): New
14186 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14188 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14190 Fix PR tree-optimization/26443
14191 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14192 to todo and PROP_tmt_usage to properties_destroyed.
14193 * tree-ssa-ccp.c (pass_ccp): Ditto.
14194 (pass_store_ccp): Ditto.
14195 * tree-ssa-dom.c (pass_dominator): Ditto.
14197 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14199 * tree-ssa-operands.c: Cleanup whitespace.
14200 (get_asm_expr_operands): Move before first invocation.
14201 (get_indirect_ref_operands): Likewise.
14202 (get_tmr_operands): Likewise.
14203 (get_call_expr_operands): Likewise.
14204 (append_def): Likewise.
14205 (append_use): Likewise.
14206 (append_v_may_def): Likewise.
14207 (append_v_must_def): Likewise.
14208 (add_call_clobber_ops): Likewise.
14209 (add_call_read_ops): Likewise.
14210 (add_stmt_operand): Likewise.
14211 (add_virtual_operand): Likewise.
14212 (build_ssa_operands): Likewise.
14214 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14216 PR middle-end/26022
14218 PR middle-end/24437
14219 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14220 with a call expr to ...
14221 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14223 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14225 * tree-vrp.c (extract_range_from_assert): Remove special
14226 handling for types with super-types.
14228 2006-03-01 Ben Elliston <bje@au.ibm.com>
14230 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14231 and powerpc64-*-linux* configurations.
14232 * config/t-dfprules: New file.
14234 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14235 Compile dfp-bit.c from the source directory using -DWIDTH and
14236 $DFP_CFLAGS to control the compilation of that file, rather than
14237 generating width-specific versions in the build directory.
14238 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14239 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14241 2006-02-28 Zack Weinberg <zackw@panix.com>
14243 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14246 2006-02-28 Eric Christopher <echristo@apple.com>
14248 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14249 Set up IN_LIBGCC definition of TARGET_64BIT.
14250 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14252 2006-02-28 Roger Sayle <roger@eyesopen.com>
14254 PR middle-end/14752
14255 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14256 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14257 cases via the construction of "expr != 0".
14259 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14261 * alias.c (alias_invariant, alias_invariant_size): Remove.
14262 (record_base_value): Remove.
14263 (memrefs_conflict_p): Don't look at alias_invariant.
14264 (end_alias_analysis): Don't free it.
14265 * alias.h (record_base_value): Remove prototype.
14267 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14268 Adam Nemet <anemet@caviumnetworks.com>
14270 * rtl.h (truncated_to_mode): Declare it.
14271 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14272 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14273 (RTL_HOOKS_INITIALIZER): Include it.
14274 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14275 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14276 reg_truncated_to_mode.
14277 * rtlanal.c (truncated_to_mode): Define it.
14278 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14280 2006-02-28 Jeff Law <law@redhat.com>
14282 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14283 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14284 the range allowed by TYPE_PRECISION.
14286 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14288 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14290 PR tree-optimization/26419
14291 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14294 2006-02-27 Zack Weinberg <zackw@panix.com>
14296 * doc/md.texi: Fix typo in previous change.
14298 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14302 2006-02-27 Zack Weinberg <zackw@panix.com>
14304 * rtl.def (define_constraint, define_register_constraint)
14305 (define_memory_constraint, define_address_constraint): New MD forms.
14306 * gensupport.c (process_rtx): Put define_constraint etc on the
14308 * genpreds.c (process_define_predicate): Adjust comment. Validate
14309 the name, and call validate_exp to validate the expression.
14310 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14311 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14312 all callers changed.
14313 (validate_exp, needs_variable, struct constraint_data)
14314 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14315 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14316 (const_dbl_constraints, constraint_max_namelen)
14317 (have_register_constraints, have_memory_constraints)
14318 (have_address_constraints, have_address_constraints)
14319 (have_extra_constraints, have_const_int_constraints)
14320 (have_const_dbl_constraints, mangle, add_constraint)
14321 (process_define_constraint, process_define_register_constraint)
14322 (write_enum_constraint_num, write_lookup_constraint)
14323 (write_insn_constraint_len, write_regclass_for_constraint)
14324 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14325 (write_insn_extra_memory_constraint)
14326 (write_insn_extra_address_constraint)
14327 (write_satisfies_constraint_fns): New.
14328 (write_tm_preds_h): If we have new-style constraint definitions,
14329 prototype the functions generated from them, and define the
14330 old constraint interface (still used by generic code) in terms of
14332 (write_insn_preds_c): If we have new-style constraint definitions,
14333 generate all relevant functions from those definitions.
14334 (main): Handle define_constraint etc.
14335 * genoutput.c (struct constraint_data, indep_constraints)
14336 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14337 (mdep_constraint_len): New data structures and functions, defined
14338 #ifdef USE_MD_CONSTRAINTS.
14339 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14340 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14341 use new logic to validate operand constraints against constraint
14343 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14345 * defaults.h: If none of the old-style constraint macros are
14346 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14347 old-style macros; and poison REG_CLASS_FROM_LETTER,
14348 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14350 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14351 * doc/md.texi: Document new constraint-definition mechanism and the
14352 C interface it provides. Remove references to old mechanism
14353 elsewhere in the document.
14354 (Machine Constraints): Use pathnames relative to gcc directory,
14355 i.e. config/ARCH/FILE. Change i386 section to refer to
14356 config/i386/predicates.md; update that section to match docstrings.
14357 * doc/tm.texi: Move all documentation of the old constraint-
14358 definition macros to their own section, clearly mark as obsolete.
14360 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14361 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14363 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14364 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14365 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14366 constraint strings.
14367 (splits and peepholes): Use satisfies_constraint_*.
14368 * config/i386/i386.c (memory_address_length)
14369 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14371 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14373 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14374 scalar operation to be put back into the loop.
14376 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14379 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14380 (extract_cie_info): Handle S flag in augmentation string.
14381 (execute_cfa_program): If context->signal_frame, execute also
14382 fs->pc == context->ra instructions.
14383 (uw_frame_state_for): If context->signal_frame, don't subtract one
14384 from context->ra to find FDE.
14385 (uw_update_context_1): Set context->signal_frame to
14387 (_Unwind_GetIPInfo): New function.
14388 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14389 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14391 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14392 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14393 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14394 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14395 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14396 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14397 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14398 x86_64_fallback_frame_state): Set fs->signal_frame.
14399 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14400 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14401 (frob_update_context): Likewise. Workaround missing S flag in
14402 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14403 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14404 Remove the psw_addr + 1 hack.
14406 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14408 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14409 with aggregates here.
14410 (find_func_aliases): Remove code for &<aggregate> from here.
14412 2006-02-26 Roger Sayle <roger@eyesopen.com>
14414 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14415 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14416 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14417 as (X & C) ne/eq 0.
14419 2006-02-26 Roger Sayle <roger@eyesopen.com>
14421 PR middle-end/19983
14422 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14424 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14426 * opts.c (decode_options): Do not handle flag_strength_reduce.
14427 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14428 and OPT_fstrength_reduce.
14429 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14430 flag_prefetch_loop_arrays for being nonzero.
14431 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14433 (fprefetch-loop-arrays-rtl): Removed.
14434 (flag_prefetch_loop_arrays): Do not specify the value.
14436 * doc/passes.texi: Update documentation of loop optimizer
14438 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14439 -frerun-loop-opt): Remove.
14441 2006-02-26 Richard Guenther <rguenther@suse.de>
14443 PR tree-optimization/26421
14444 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14445 in function calls that are ADDR_EXPRs as using the whole structure.
14447 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14449 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14450 * tree-pass.h (pass_loop_optimize): Remove.
14451 * passes.c (pass_loop_optimize): Never run it.
14452 * toplev.c (backend_init): Don't call init_loop.
14453 * opts.c (flag_loop_optimize_set): Remove.
14454 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14455 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14456 the old RTL loop optimizer when profiling enabled.
14457 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14458 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14459 pre-headers for the sake of the old RTL loop optimizer.
14460 * Makefile.in: Remove all references to loop.o.
14462 * doc/invoke.texi: Remove all references to -floop-optimize
14463 and -frerun-loop-opt.
14465 2006-02-26 Zack Weinberg <zackw@panix.com>
14467 * doc/md.texi (Machine Constraints): Refer to all files with paths
14468 relative to gcc directory (i.e. config/CPU/file). Add missing
14469 @table @code ... @end table to M32C subsection.
14471 2006-02-26 Roger Sayle <roger@eyesopen.com>
14473 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14475 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14477 2006-02-26 Roger Sayle <roger@eyesopen.com>
14478 James A. Morrison <phython@gcc.gnu.org>
14480 PR middle-end/21137
14481 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14482 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14483 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14484 signedness of the shift operation.
14486 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14488 PR tree-optimization/26359
14489 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14491 2006-02-25 Roger Sayle <roger@eyesopen.com>
14493 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14494 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14495 as X == 0, and some symmetry related transformations.
14496 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14498 2006-02-25 Roger Sayle <roger@eyesopen.com>
14500 PR middle-end/23673
14501 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14502 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14503 symmetry related transformations. Fold (X^C1) == C2 as
14506 2006-02-25 Juergen Weigert <jw@suse.de>
14507 Richard Guenther <rguenther@suse.de>
14509 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14511 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14513 * combine.c (gen_lowpart_or_truncate): Call
14514 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14516 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14518 * doc/invoke.texi: Move -fopenmp description to "Options for
14520 Remove reference to -lgomp.
14522 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14524 * doc/install.texi: Require GNU tar version 1.14.
14526 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14528 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14529 * doc/invoke.texi (C++ Dialect Options): Document
14530 -fno-use-cxa-get-exception-ptr.
14531 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14532 * configure: Regenerate.
14533 * c.opt (fuse-cxa-get-exception-ptr): New.
14534 * c-opts.c (c_common_handle_option): Handle
14535 OPT_fuse_cxa_get_exception_ptr.
14536 * c-common.c (flag_use_cxa_atexit): Update documentation.
14537 (flag_use_cxa_get_exception_ptr): New.
14538 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14539 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14541 (C_COMMON_OVERRIDE_OPTIONS): New.
14543 2006-02-24 Roger Sayle <roger@eyesopen.com>
14545 PR middle-end/24952
14546 * combine.c (try_combine): Explicitly check whether GET_CODE is
14547 a SET or a CLOBBER, instead on checking that it isn't a USE.
14549 2006-02-24 Roger Sayle <roger@eyesopen.com>
14551 * fold-const.c (fold_comparison): New subroutine of fold_binary
14552 containing transformations common to both the equality and
14553 ordering relational operators, factored out of fold_binary.
14554 (fold_binary): Separate out the equality operators (EQ_EXPR
14555 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14556 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14557 transformations common to both.
14558 (fold_div_compare): Fix latent bugs in the previously unreachable
14559 LT_EXPR and GE_EXPR cases.
14561 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14563 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14564 decl libname for clog to __clog on AIX.
14566 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14568 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14571 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14572 output traceback table for thunks. Localise rs6000_stack_info call.
14574 2006-02-23 Roger Sayle <roger@eyesopen.com>
14575 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14577 * gthr-posix.h (__gthrw): Fix typo in comment.
14579 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14581 * doc/cpp.texi (Character sets): Document that we do support
14582 input files to be in any character set.
14584 2006-02-23 Jeff Law <law@redhat.com>
14586 * tree.h (PHI_ARG_NONZERO): Remove.
14587 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14588 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14589 node to the new node.
14591 PR tree-optimization/26425
14592 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14593 min/max, then assume its varying.
14595 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14597 PR rtl-optimization/26316
14598 * rtlanal.c (enum may_trap_p_flags): New.
14599 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14600 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14601 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14602 (may_trap_after_code_motion_p): New function.
14603 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14604 (find_invariant_insn): Use may_trap_after_code_motion_p.
14605 * rtl.h (may_trap_after_code_motion_p): Declare.
14607 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14609 * emit-rtl.c (immed_double_const): Cleanup.
14611 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14613 Fix PR tree-optimization/26376
14614 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14617 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14619 PR middle-end/26412
14620 * gimplify.c (omp_add_variable): Guard variable size decl test with
14621 DECL_SIZE (decl) check.
14623 2006-02-23 Richard Guenther <rguenther@suse.de>
14625 PR middle-end/26439
14626 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14627 like aggregate types.
14629 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14631 * configure.ac: Add --with{,out}-long-double-128 configure option.
14632 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14633 * configure: Rebuilt.
14634 * config.in: Rebuilt.
14635 * doc/install.texi (Options specification): Document
14636 --with-long-double-128.
14638 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14639 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14640 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14641 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14643 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14645 * config/s390/s390.c (override_options): Handle
14646 TARGET_DEFAULT_LONG_DOUBLE_128.
14648 * config/alpha/alpha.c (override_options): Handle
14649 TARGET_DEFAULT_LONG_DOUBLE_128.
14651 * config/sparc/sparc.c (sparc_override_options): Handle
14652 TARGET_DEFAULT_LONG_DOUBLE_128.
14654 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14656 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14657 (real-install-headers-tar, real-install-headers-cpio)
14658 (real-install-headers-cp): New targets.
14660 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14662 * tree.h (variable_section): Delete.
14663 * varasm.c (variable_section): Delete.
14665 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14667 * install.texi: Add notes on install.texi2html.
14668 (Building in parallel): Do not use footnotes.
14670 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14673 * doc/install.texi (Configuration): Document --disable-libgomp.
14675 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14677 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14679 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14681 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14682 (vec_extractv2df_0_sse): New.
14684 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14686 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14687 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14688 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14689 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14690 to the result of the expression.
14691 (def_cfa_1): Adjust.
14692 (frame_pointer_cfa_offset): Rename to...
14693 (frame_pointer_fb_offset): ... this. Adjust all uses.
14694 (convert_cfa_to_loc_list): Rename to...
14695 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14696 Pass it on to build_cfa_loc.
14697 (compute_frame_pointer_to_cfa_displacement): Rename to...
14698 (compute_frame_pointer_to_fb_displacement): ... this. New
14699 offset parameter. Use it in computation.
14700 (gen_subprogram_die): Compute cfa_fb_offset with the new
14701 macro, and use it to compute the fb loc list and the
14704 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14706 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14707 replaced with register_operand.
14708 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14709 non-DREG is expensive.
14710 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14711 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14714 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14716 * doc/install.texi2html: Use set -e.
14718 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14720 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14721 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14722 * doc/invoke.texi (-fshared-data): Delete.
14723 * common.opt (fshared-data): Delete.
14724 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14725 (assemble_static_space): Remove #if 0 code.
14726 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14727 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14728 * config/cris/cris.h: Remove FIXME.
14730 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14732 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14735 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14737 PR middle-end/26379
14738 * combine.c (simplify_shift_const_1): Disable nested shifts
14739 optimization for vector shifts.
14741 2006-02-20 Roger Sayle <roger@eyesopen.com>
14743 PR tree-optimization/26361
14744 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14745 of unsigned integer types.
14747 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14749 * tree-chrec.c (eq_evolutions_p): New.
14750 * tree-chrec.h (eq_evolutions_p): Declared.
14751 * tree-data-ref.c: Fix formatting.
14752 (datadep_stats, dependence_stats): New.
14754 (print_direction_vector): New.
14755 (dump_data_dependence_relation): Use print_direction_vector.
14756 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14757 (compute_subscript_distance): Static.
14758 (initialize_data_dependence_relation): Static. Get the number
14759 of loops surrounding the references from the callers, and initialize
14760 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14761 base_object_differ_p analyzers.
14762 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14763 compute_overlap_steps_for_affine_1_2,
14764 analyze_subscript_affine_affine): Count the classified dependences.
14765 Print a message when a test failed.
14766 (can_use_analyze_subscript_affine_affine): New.
14767 (analyze_siv_subscript): Compute the data dependences on symbolic
14768 scevs that verify can_use_analyze_subscript_affine_affine.
14769 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14770 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14771 Handle symbolic scevs.
14772 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14774 (subscript_dependence_tester): Moved...
14775 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14776 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14777 DDR_SIZE_VECT instead of getting it in parameter.
14778 (subscript_dependence_tester): ... here. Take as a parameter
14779 loop_nest_depth. Call build_classic_dist_vector and
14780 build_classic_dir_vector.
14781 (compute_affine_dependence): Update subscript_dependence_tester
14782 parameters. Update datadep_stats counters. Call
14783 compute_subscript_distance.
14784 (compute_self_dependence): Save the dist and dir vectors. Call
14785 compute_subscript_distance.
14786 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14787 (compute_all_dependences): Reorder parameters as they were before
14788 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14789 compute_subscript_distance. Update the use of
14790 compute_affine_dependence and initialize_data_dependence_relation.
14791 (find_data_references_in_loop): Handle COMPONENT_REF.
14792 (compute_data_dependences_for_loop): Initialize dependence_stats.
14793 Don't call build_classic_dist_vector and build_classic_dir_vector.
14794 Update the parameters of initialize_data_dependence_relation and
14795 compute_all_dependences. Print the statistics from datadep_stats.
14796 (analyze_all_data_dependences): Static. Not used until the pass for
14797 checking the data dependences is contributed.
14798 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14799 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14800 (initialize_data_dependence_relation, compute_affine_dependence,
14801 analyze_all_data_dependences, compute_subscript_distance): Removed.
14802 (print_direction_vector): New.
14803 * lambda.h (gcd): ... here.
14804 (lambda_vector_gcd): Moved here from gcd_vector.
14805 * lambda-code.c (gcd, gcd_vector): Removed.
14806 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14807 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14809 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14811 * ipa-type-escape.c: Tidy some comments and white space.
14812 * tree-ssa-operands.c: Likewise.
14814 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14817 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14818 (dump_decl_name): Do not walk the decl tree chains.
14819 * tree-pass.h (TDF_CHAIN): Remove.
14821 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14823 * Makefile.in (C): Remove
14825 (.PHONY): Remove C and PROTO
14827 2006-02-20 Roger Sayle <roger@eyesopen.com>
14829 PR middle-end/26236
14830 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14831 deprecated CHAR_TYPE tree code.
14833 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14835 * configure.ac (target_list): Add install-info, dvi, html.
14836 * configure: Regenerate.
14838 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14839 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14840 treelang/Make-lang.in: Do not use double-colon rules.
14842 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14844 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14845 (TMT_USED_ALONE): New macro.
14846 * tree-pass.h (PROP_tmt_usage): New property.
14847 (TODO_update_tmt_usage): New todo.
14848 * tree-ssa-alias.c (updating_used_alone): New variable.
14849 (recalculate_used_alone): New function.
14850 (compute_may_aliases): Set updating_used_alone, call
14851 recalculate_used_alone.
14852 * tree-sra.c (pass_sra): Note that this pass destroys
14853 PROP_tmt_usage, and add TODO_update_tmt_usage.
14854 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14855 * tree-flow.h (updating_used_alone): Prototype.
14856 (recalculate_used_alone): Ditto.
14857 * passes.c (execute_todo): Add code to set updating_used_alone,
14858 and call recalculate.
14859 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14860 for clobber if used alone, and add assert to verify used_alone
14863 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14865 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14866 for non tls symbols added.
14867 (legitimize_address): Do nothing for PLUS expressions if one of the
14868 addends is a tls symbol reference.
14870 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14874 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14876 * Makefile.in (BOOTSTRAPPING): New.
14877 (quickstrap): New definition if BOOTSTRAPPING=yes.
14879 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14880 * configure.ac: Substitute all_selected_languages with the languages
14881 that were configured. For all the other variables except
14882 lang_specs_files, include all the languages in the tree.
14883 * configure: Regenerate.
14885 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14886 if there is one. Run the commands to run fixincludes in the same
14889 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14890 * doc/install.texi: Document exact conventions for searching target tools.
14891 Document --with-build-time-tools. Document toplevel bootstrap. Document
14892 something more about building an Ada cross-compiler. Don't list GNU Make
14893 requirements which affect all platforms.
14895 2006-02-19 Roger Sayle <roger@eyesopen.com>
14897 PR middle-end/19543
14898 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14899 only equivalent if the have both the same mode and precision.
14901 2006-02-20 Ben Elliston <bje@au.ibm.com>
14903 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14905 2006-02-19 Roger Sayle <roger@eyesopen.com>
14906 Steven Bosscher <stevenb.gcc@gmail.com>
14908 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14909 constant pool references to identify stack mode constants.
14910 * rtlanal.c (constant_pool_constant_p): New predicate to check
14911 whether operand is a floating point constant in the pool.
14912 * rtl.h (constant_pool_constant_p): Prototype here.
14913 * loop.c (scan_loop): Avoid hoisting constants from the constant
14914 pool on STACK_REGS targets.
14915 (load_mems): Likewise.
14916 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14917 loads into x87 registers expensive in terms of register pressure.
14919 2006-02-19 Roger Sayle <roger@eyesopen.com>
14921 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14922 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14924 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14926 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14927 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14929 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14931 * doc/invoke.texi: Document -fipa-pta.
14932 * common.opt: Add ipa-pta option.
14933 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14934 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14935 (do_ds_constraint): Ditto.
14936 (get_constraint_for): Only add to referenced_vars if
14937 referenced_vars exists.
14938 (insert_into_field_list): Rewrite to do this unsorted.
14939 (insert_into_field_list_sorted): Rename old insert_into_field_list
14941 (create_function_info_for): Use insert_into_field_list_sorted.
14942 (create_variable_info_for): Rewrite so it uses unsorted version,
14943 since the field list is sorted.
14944 (intra_create_variable_infos): Only add to referenced_vars if
14945 referenced_vars exists.
14946 (ipa_pta_execute): Init heapvars, and delete when done.
14947 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14949 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14951 * doc/install.texi: Add missing `@samp'.
14953 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14955 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14958 2006-02-18 Mark Wielaard <mark@klomp.org>
14960 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14961 who added new 4.1 features, bug fixes and integration support.
14963 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14966 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14967 MEM for ABI_V4 pic.
14969 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14971 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14972 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14973 (copy_insn_1): Likewise. Don't copy each field individually.
14975 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14977 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14978 * rtl.c (rtx_size): Rename variable to...
14979 (rtx_code_size): ...this.
14980 (rtx_size): New function.
14981 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14982 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14984 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14985 * rtl.h (rtx_code_size): New variable.
14986 (rtx_size): Change from a variable to a function.
14987 (RTX_SIZE): Rename to...
14988 (RTX_CODE_SIZE): ...this.
14991 PR tree-optimization/17106
14992 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14993 (Anchored Addresses): New section.
14994 * doc/invoke.texi (-fsection-anchors): Document.
14995 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14996 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14997 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14998 * hooks.c (hook_bool_mode_rtx_false): New function.
14999 * hooks.h (hook_bool_mode_rtx_false): Declare.
15000 * gengtype.c (create_optional_field): New function.
15001 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15002 SYMBOL_REF_IN_BLOCK_P is true.
15003 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15004 (min_anchor_offset, max_anchor_offset): Likewise.
15005 (use_anchors_for_symbol_p): New hook.
15006 * toplev.c (compile_file): Call output_object_blocks.
15007 (target_supports_section_anchors_p): New function.
15008 (process_options): Check that -fsection-anchors is only used on
15009 targets that support it and when -funit-at-a-time is in effect.
15010 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15011 if the decl doesn't have one.
15012 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15013 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15014 of force_const_mem through use_anchored_address.
15015 (expand_expr_constant): New function.
15016 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15017 calling expand_expr for INDIRECT_REF.
15018 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15019 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15020 * expr.h (use_anchored_address): Declare.
15021 * loop-unroll.c: Don't declare rtx vectors here.
15022 * explow.c: Include output.h.
15023 (validize_mem): Call use_anchored_address.
15024 (use_anchored_address): New function.
15025 * common.opt (-fsection-anchors): New switch.
15026 * varasm.c (object_block_htab, anchor_labelno): New variables.
15027 (hash_section, object_block_entry_eq, object_block_entry_hash)
15028 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15029 (use_blocks_for_decl_p, change_symbol_section): New functions.
15030 (get_variable_section): New function, split out from assemble_variable.
15031 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15032 use_blocks_for_decl_p say so. Use change_symbol_section if the
15033 symbol has already been created.
15034 (assemble_variable_contents): New function, split out from...
15035 (assemble_variable): ...here. Don't output any code for
15036 block symbols; just pass them to place_block_symbol.
15037 Use get_variable_section and assemble_variable_contents.
15038 (get_constant_alignment, get_constant_section, get_constant_size): New
15039 functions, split from output_constant_def_contents.
15040 (build_constant_desc): Create a block symbol if use_object_blocks_p
15041 says so. Or into SYMBOL_REF_FLAGS.
15042 (assemble_constant_contents): New function, split from...
15043 (output_constant_def_contents): ...here. Don't output any code
15044 for block symbols; just pass them to place_section_symbol.
15045 Use get_constant_section and get_constant_alignment.
15046 (force_const_mem): Create a block symbol if use_object_blocks_p and
15047 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15048 (output_constant_pool_1): Add an explicit alignment argument.
15049 Don't switch sections here.
15050 (output_constant_pool): Adjust call to output_constant_pool_1.
15051 Switch sections here instead. Don't output anything for block symbols;
15052 just pass them to place_block_symbol.
15053 (init_varasm_once): Initialize object_block_htab.
15054 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15055 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15056 (place_block_symbol, get_section_anchor, output_object_block)
15057 (output_object_block_htab, output_object_blocks): New functions.
15058 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15059 (TARGET_ASM_OUT): Include it.
15060 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15061 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15062 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15063 (TARGET_INITIALIZER): Include them.
15064 * rtl.c (rtl_check_failed_block_symbol): New function.
15065 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15066 (block_symbol, object_block): New structures.
15067 (rtx_def): Add a block_symbol field to the union.
15068 (BLOCK_SYMBOL_CHECK): New macro.
15069 (rtl_check_failed_block_symbol): Declare.
15070 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15071 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15072 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15073 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15074 * output.h (output_section_symbols): Declare.
15075 (object_block): Name structure.
15076 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15077 (default_use_anchors_for_symbol_p): Declare.
15078 * Makefile.in (RTL_BASE_H): Add vec.h.
15079 (explow.o): Depend on output.h.
15080 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15081 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15082 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15083 (rs6000_use_blocks_for_constant_p): New function.
15085 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15087 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15089 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15092 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15095 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15097 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15101 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15103 PR middle-end/26334
15104 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15105 instead of DECL_REGISTER.
15107 2006-02-18 Olivier Hainque <hainque@adacore.com>
15110 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15112 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15115 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15116 * opth-gen.awk: Handle Var and InverseMask together.
15117 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15118 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15119 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15120 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15122 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15123 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15124 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15125 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15126 LINUX_DYNAMIC_LINKER): Define.
15127 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15128 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15130 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15131 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15132 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15134 (TARGET_C99_FUNCTIONS): Don't define.
15135 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15136 GLIBC_DYNAMIC_LINKER.
15137 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15138 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15139 GLIBC_DYNAMIC_LINKER64): Define.
15140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15141 LINUX_DYNAMIC_LINKER64.
15142 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15144 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15146 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15148 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15149 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15150 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15151 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15152 and LINUX_DYNAMIC_LINKER32.
15153 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15155 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15157 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15159 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15160 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15161 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15162 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15163 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15164 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15165 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15166 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15167 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15168 LINUX_DYNAMIC_LINKER): Define.
15169 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15170 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15171 GLIBC_DYNAMIC_LINKER64): Define.
15172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15173 LINUX_DYNAMIC_LINKER64.
15174 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15175 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15176 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15177 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15178 LINUX_DYNAMIC_LINKER): Define.
15179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15180 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15181 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15182 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15183 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15184 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15185 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15186 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15187 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15188 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15190 * doc/invoke.texi (-muclibc): Remove caveat about supported
15193 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15195 * doc/cpp.texi (__TIMESTAMP__): Document.
15197 2006-02-17 Roger Sayle <roger@eyesopen.com>
15199 PR middle-end/25600
15200 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15201 C is one less than the width of X (and related transformations).
15202 * simplify-rtx.c (simplify_unary_operation_1): Transform
15203 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15204 depending on STORE_FLAG_VALUE, were C is one less then the
15207 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15209 Fix PR tree-optimization/26341
15210 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15211 about NAME_MEMORY_TAG's.
15213 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15216 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15217 with hardware float support, and software float support. Add fcpy
15218 alternative to hardware patterns. Add alternatives to copy between
15219 general and floating-point registers to the 32-bit pattern.
15220 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15221 secondary reload to load a QI or HI mode constant into a floating
15223 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15224 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15226 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15229 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15231 (load_macho_picbase_di): Likewise.
15233 2006-02-16 Jeff Law <law@redhat.com>
15235 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15236 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15237 (ssa_name_nonzero_p): Likewise.
15238 (get_value_range): Return NULL if VRP is not running.
15239 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15240 VRP routines do not discover a range.
15241 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15242 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15243 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15244 (tree_expr_nonnegative_p): Similarly.
15245 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15246 (restore_nonzero_vars_to_original_value): Remove.
15247 (unsafe_associative_fp_binop): Remove.
15248 (tree_ssa_dominator_optimize): Remove initialization and
15249 finalization of nonzero_vars and nonzero_vars_stack.
15250 (dom_opt_initialize_block): No longer push marker on
15251 nonzero_vars_stack.
15252 (dom_opt_finalize_block): No longer call
15253 restore_nonzero_vars_to_original_value.
15254 (record_equivalences_from_phis): No longer look for
15255 nonzero PHI arguments.
15256 (cprop_into_successor_phis): No longer propagate nonzero
15257 property into PHI arguments. Lose unused argument. Caller
15259 (record_equivalences_from_stmt): No longer record nonzero
15260 values for SSA_NAMEs.
15261 (lookup_avail_expr): No longer use nonzero_vars.
15263 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15264 for sizetype when sizetype is unsigned.
15266 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15268 PR rtl-optimization/25603
15269 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15270 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15271 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15272 with new meaning of SETS.
15274 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15279 * config/linux.opt: New file.
15280 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15281 LINUX_DYNAMIC_LINKER): Define.
15282 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15283 * config.gcc (*-*-linux*): Define extra_options.
15284 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15285 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15286 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15287 GLIBC_DYNAMIC_LINKER.
15288 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15289 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15290 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15292 * doc/invoke.texi (GNU/Linux Options): New section.
15294 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15296 * config/sparc/sparc.md (setjmp): Rewrite.
15297 (setjmp_32): Delete.
15298 (setjmp_64): Likewise.
15300 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15302 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15305 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15307 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15310 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15312 PR rtl-optimization/26296
15313 * Makefile.in (loop-invariant.c): Add except.h dependency.
15314 * loop-invariant.c: Include except.h.
15315 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15317 2005-02-16 Paul Brook <paul@codesourcery.com>
15319 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15322 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15324 PR rtl-optimization/25636
15325 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15326 when deciding whether an insn is an initializing insn.
15328 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15330 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15331 (tree_code_size): Ditto.
15332 * tree.h (struct tree_memory_tag): Remove parent_var.
15333 (struct tree_struct_field_tag): New.
15336 (union tree_node): Add sft member.
15337 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15339 (create_sft): Add size and offset argument, set SFT_OFFSET and
15341 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15342 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15343 * tree-flow-inline.h (get_subvar_at): Update for
15344 SFT_OFFSET/SFT_SIZE.
15345 (var_can_have_subvars): Ditto.
15346 (overlap_subvar): Ditto.
15347 * print-tree.c (print_node): Print out interesting things for
15349 * tree-flow.h (struct subvar): Remove offset and size members.
15350 * tree-ssa-operands.c (get_expr_operands): Update for
15351 get_indirect_ref_operands changes.
15352 (get_indirect_ref_operands): Call add_virtual_operand instead of
15353 add_stmt_operand. Only recurse on base var if requested.
15354 (access_can_touch_variable): New function.
15355 (add_stmt_operand): Split virtual operand handling into ...
15356 (add_virtual_operand): Here. Add offset, size, and for_clobber
15357 arguments. Prune alias sets.
15358 (add_call_clobber_ops): Call add_virtual_operand.
15360 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15362 PR middle-end/26300
15363 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15365 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15366 than TREE_CODE as index into omp_clause_num_ops array.
15368 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15370 PR rtl-optimization/26184
15371 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15373 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15374 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15375 must_precede, must_follow and tobe_scheduled.
15378 * opts.c (common_handle_option): Free new_option pointer.
15379 * df-core.c (df_analyze): Free postorder pointer.
15381 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15383 * Makefile.in: Fix the examples about the use of stamps
15385 2006-02-15 Michael Matz <matz@suse.de>
15387 PR middle-end/22275
15389 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15390 influenced by maximum_field_alignment or DECL_PACKED.
15391 (update_alignment_for_field): Ditto.
15392 (place_field): Ditto.
15393 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15396 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15398 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15399 (debug_flow_info): Pass it.
15400 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15401 * bb-reorder.c (reorder_basic_blocks): Likewise.
15402 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15403 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15404 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15405 * gcse.c (gcse_main, bypass_jumps): Likewise.
15406 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15407 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15408 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15409 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15410 * rtl.h (dump_flow_info): Adjust prototype.
15411 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15412 * var-tracking.c (variable_tracking_main): Likewise.
15413 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15414 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15417 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15419 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15422 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15424 PR tree-optimization/26209
15425 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15426 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15428 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15430 2006-02-14 Roger Sayle <roger@eyesopen.com>
15432 PR middle-end/23670
15433 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15434 (X,Y) and the corresponding symmetry related transformations.
15435 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15436 (X,Y) and its symmetry related transformations.
15438 2006-02-14 Roger Sayle <roger@eyesopen.com>
15440 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15443 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15445 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15447 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15450 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15451 support COMDAT group.
15452 * configure: Regenerate.
15454 2006-02-14 Roger Sayle <roger@eyesopen.com>
15456 PR middle-end/26279
15457 PR middle-end/26280
15458 PR middle-end/26283
15459 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15461 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15463 Fix PR tree-optimization/26260
15465 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15467 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15468 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15469 * tree-ssa-structalias.c (create_variable_info_for): Use
15470 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15472 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15474 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15476 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15477 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15478 of the ending condition.
15479 * tree-ssa-loop-manip.c: Include params.h.
15480 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15481 tree_unroll_loop): New functions.
15482 * tree-pass.h (pass_loop_prefetch): Declare.
15483 * loop.c (rest_of_handle_loop_optimize): Test for
15484 -fprefetch-loop-arrays-rtl.
15485 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15486 * timevar.def (TV_TREE_PREFETCH): New timevar.
15487 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15488 pass_loop_prefetch): New.
15489 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15490 (cleanup_tree_cfg_loop): Call scev_reset.
15491 * common.opt (fprefetch-loop-arrays-rtl): Add.
15492 * tree-ssa-loop-prefetch.c: New file.
15493 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15494 (new_temp_expr_table): Initialize expr_vars.
15495 (free_temp_expr_table): Cleanup expr_vars.
15496 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15497 expressions from being merged into one.
15498 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15499 (struct tree_niter_desc): Add control, bound and cmp fields.
15500 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15502 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15503 (tree-cfgcleanup.o): Add SCEV_H dependency.
15504 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15505 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15507 2006-02-14 Richard Guenther <rguenther@suse.de>
15509 PR tree-optimization/26258
15510 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15511 in PHI argument processing.
15513 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15515 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15516 new expression in the requested machine mode.
15518 2006-02-13 Roger Sayle <roger@eyesopen.com>
15520 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15521 directly, instead let do_compare_rtx_and_jump handle this for us.
15522 * expr.c (expand_expr_real_1): Likewise.
15523 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15524 before do_jump_by_parts_greater.
15525 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15526 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15528 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15530 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15532 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15534 PR rtl-optimization/26235
15535 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15536 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15539 2006-02-13 Jeff Law <law@redhat.com>
15541 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15544 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15546 PR middle-end/26092
15547 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15548 twice if decl is a builtin. When trying again, call get_callee_fndecl
15549 first to verify it is still a builtin.
15551 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15553 * dwarf2out.c (base_type_die): Don't add AT_name here.
15554 (subrange_type_die): Don't add AT_name here.
15555 (modified_type_die): Rearrange code flow. Do add AT_name here.
15557 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15559 PR rtl-optimization/26247
15560 PR rtl-optimization/26248
15561 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15563 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15565 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15566 * config/fixtfdi.c: Likewise.
15567 * config/fixunstfdi.c: Likewise.
15568 * config/floatditf.c: Likewise.
15570 2006-02-13 Roger Sayle <roger@eyesopen.com>
15572 PR middle-end/24427
15573 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15574 into (X,C2) if C1 is a subset of the bits of C2. Transform
15575 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15577 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15579 2006-02-13 Josh Conner <jconner@apple.com>
15582 * varasm.c (function_section): Check for section name before
15583 calling select_section on targets that define
15584 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15585 unlikely_text_section instead of hot_function_section if
15586 first_function_block_is_cold.
15588 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15590 PR middle-end/25335
15591 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15595 PR rtl-optimization/26222
15596 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15597 after tree->rtl expansion.
15598 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15599 before passing it to emit_move_insn.
15601 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15603 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15605 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15606 Clarify documentation.
15607 * c-common.h (warn_write_strings): Remove.
15608 * c-common.c (warn_write_strings): Likewise.
15609 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15612 2006-02-12 Roger Sayle <roger@eyesopen.com>
15614 PR middle-end/25724
15615 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15616 (do_jump_parts_zero_rtx): New function renamed from
15617 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15618 (do_jump_parts_equality_rtx): New function split out from
15619 do_jump_parts_equality. Old implementation renamed as above.
15620 Call do_jump_parts_zero_rtx if either operand is zero.
15621 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15622 do all of the heavy lifting.
15623 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15624 calling either do_jump_by_parts_greater_rtx or
15625 do_jump_by_parts_equality_rtx.
15626 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15627 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15628 moved to do_compare_rtx_and_jump, call it directly.
15629 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15630 mode argument. Call do_compare_rtx_and_jump.
15631 (emit_case_nodes): Update calls to do_jump_if_equal.
15633 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15635 PR rtl-optimization/26225
15636 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15638 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15640 PR rtl-optimization/26232
15641 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15643 2006-02-11 Jason Merrill <jason@redhat.com>
15646 * tree-inline.c (declare_return_variable): Just don't use the
15647 modify target if it's a gimple complex reg and the return slot
15650 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15652 * doc/contrib.texi: Update my entry.
15654 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15656 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15658 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15660 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15663 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15665 * doc/invoke.texi (-floop-optimize2): Removed.
15666 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15667 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15668 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15669 * common.opt (floop-optimize2): Removed.
15670 (fmove-loop-invariants): Enabled by default.
15672 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15674 * tree-if-conv.c (combine_blocks): Free the result of
15675 get_loop_exit_edges.
15677 2006-02-10 Jeff Law <law@redhat.com>
15679 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15681 PR tree-optimization/26213
15682 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15683 loop trying to follow SSA_NAME_VALUE chains.
15685 2006-02-10 Richard Guenther <rguenther@suse.de>
15687 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15688 deal with structures that end in implicitly variable sized arrays.
15690 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15692 PR rtl-optimization/24762
15693 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15696 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15698 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15699 (struct ivopts_data): Add regs_used field.
15700 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15701 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15702 instead of loop_data->regs_used;
15703 (free_loop_data): Do not free aux fields for loops.
15704 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15705 and tree_ssa_iv_optimize_finalize.
15707 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15709 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15711 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15714 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15715 computing the effective result type.
15717 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15719 PR inline-asm/16194
15720 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15721 (tree_overlaps_hard_reg_set): Declare.
15722 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15723 type and signature to match function type expected by walk_tree.
15724 (tree_overlaps_hard_reg_set): New function.
15725 (decl_conflicts_with_clobbers_p): Rename to:
15726 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15727 Use tree_overlaps_hard_reg_set. Changed caller.
15728 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15729 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15730 * cris.c (cris_md_asm_clobbers): Likewise.
15732 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15734 * reload1.c (emit_input_reload_insns): Delete code that tries to
15735 inherit using find_equiv_reg.
15737 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15739 * c-common.h (flag_const_strings): Don't declare.
15740 * c-common.c (flag_const_strings): Remove.
15741 * c.opt (fconst_strings): Remove.
15742 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15743 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15744 (c_common_init_options): Don't set flag_const_strings.
15745 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15747 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15749 * arm.md (tlobits_cbranch): New pattern.
15750 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15751 testing a single bit.
15753 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15756 * tree-ssa-pre.c (create_component_ref_by_pieces):
15757 Handle RETURN_DECL like VAR_DECL.
15759 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15761 PR middle-end/26134
15762 * fold-const.c (fold_indirect_ref_1): Fold
15763 "*(foo *)&complexfoo" to "__real__ complexfoo"
15764 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15766 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15768 * tree-flow-inline.h (var_can_have_subvars):
15769 Volatile variables should not have subvariables.
15771 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15774 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15775 multiplying unsigned values.
15778 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15780 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15782 2006-02-08 Jason Merrill <jason@redhat.com>
15785 * tree.def: Elaborate on difference from MODIFY_EXPR.
15786 * doc/c-tree.texi (INIT_EXPR): Likewise.
15787 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15788 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15789 (gimplify_target_expr): Likewise.
15790 (gimplify_cond_expr): Remove target handling.
15791 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15792 (gimplify_expr): Clobber it here.
15793 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15794 Do return slot optimization if we have an INIT_EXPR.
15797 * tree-inline.c (declare_return_variable): Also clear
15798 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15801 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15803 PR middle-end/22439
15804 * gimplify.c (gimplify_one_sizepos): Fix typo.
15806 2006-02-08 Jeff Law <law@redhat.com>
15808 PR tree-optimization/21417
15809 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15810 across a backedge if the control statement at the end of the
15811 block is data dependent on other statements in the same block.
15812 (record_temporary_equivalences_from_stmts): Remove over-conservative
15813 test for threading across backedges.
15815 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15816 control statement, handle all three special cases in the same
15817 manner as they all have the same desired solution. No longer
15818 special case edge flag updating when the post dominator is
15821 2006-02-08 Roger Sayle <roger@eyesopen.com>
15823 * tree.def (CHAR_TYPE): Remove.
15824 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15825 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15826 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15827 (gen_string_type_die): Delete unreachable function.
15829 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15830 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15831 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15832 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15833 * builtins.c (type_to_class): Likewise.
15834 * fold-const.c (fold_convert, build_range_check,
15835 merge_ranges): Likewise.
15836 * expr.c (count_type_elements): Likewise.
15837 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15838 * stor-layout.c (layout_type): Likewise.
15839 * ipa-type-escape.c (type_to_consider): Likewise.
15840 * gimplify.c (omp_firstprivatize_type_sizes,
15841 gimplify_type_sizes): Likewise.
15842 * explow.c (promote_mode): Likewise.
15843 * tree-sra.c (is_sra_scalar_type): Likewise.
15844 * varasm.c (output_constant): Likewise.
15845 * tree-inline.c (remap_type_1): Likewise.
15846 * convert.c (convert_to_pointer, convert_to_real,
15847 convert_to_integer, convert_to_complex): Likewise.
15849 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15851 * df-scan.c (df_def_record_1): A set destination may
15852 be a parallel regardless of mode.
15854 2006-02-08 Roger Sayle <roger@eyesopen.com>
15857 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15858 * config/mips/_tilib.c: Remove.
15859 * config/fixtfdi.c: New libgcc source file.
15860 * config/fixunstfdi.c: New source file.
15861 * config/floatditf.c: New source file.
15862 * config/floatunditf.c: New souce file.
15863 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15864 files above instead of config/mips/_tilib.c.
15865 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15867 2006-02-08 Jeff Law <law@redhat.com>
15869 PR tree-optimization/26169
15870 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15873 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15875 * df.h (DF_REG_SIZE): Return the length of the initialized
15878 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15880 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15881 __muldf3): Return a correctly signed zero.
15883 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15885 * passes.c (register_one_dump_file): Accept the current properties
15886 instead of pass number. Adjust call to dump_register. Remove
15888 (register_dump_files): Now a wrapper around...
15889 (register_dump_files_1): ... this one. Do not modify the pass
15891 (next_pass_1): Cosmetic fix.
15892 (execute_todo): Keep second parameter only. Use curr_properties
15893 instead of fetching it from the pass structure. Check and set
15895 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15896 instead of fetching it from the pass structure. Fix calls to
15897 execute_todo. Update curr_properties and initialize .vcg RTL dump
15898 after running the pass. Reset last_verified.
15899 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15901 (FIRST_AUTO_NUMBERED_DUMP): New.
15902 (dump_register): Remove "num" parameter, assign it within the
15904 (get_dump_file_name): Modify template for dumps.
15905 * tree-dump.h (dump_register): Adjust prototype.
15906 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15907 (PROP_trees): Add PROP_gimple_lomp.
15908 (TODO_set_props): New.
15909 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15910 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15911 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15913 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15915 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15916 (sparc64-*-linux*): Likewise.
15917 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15918 * config/sparc/t-linux: New file.
15919 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15920 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15921 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15922 -m32 -mlong-double-128.
15924 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15925 * config/alpha/t-linux: New file.
15926 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15928 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15929 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15930 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15931 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15932 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15933 (CPP_ARCH32_SPEC): Remove.
15935 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15937 PR tree-optimization/26145
15938 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15941 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15944 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15945 >= 240000 when generating code for SOM runtime.
15946 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15947 to $$dyncall when generating code for SOM runtime..
15949 2006-02-07 Dirk Mueller <dmueller@suse.com>
15952 * doc/invoke.texi (-Wsequence-point): Update documentation
15953 that -Wsequence-point is implemented for C++ as well.
15955 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15957 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15958 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15959 (LIB_SPEC): Likewise.
15960 * doc/invoke.texi (SPARC options): Document -pthread.
15962 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15964 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15967 2006-02-07 Roger Sayle <roger@eyesopen.com>
15969 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15970 Correct comment describing BOOLEAN_TYPE.
15972 2006-02-07 Dirk Mueller <dmueller@suse.com>
15974 * c.opt: C++ frontend supports -Wdiv-by-zero.
15975 * c-opts.c (c_common_handle_option): Remove dead case.
15977 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15979 * configure.ac (TLS assembler check): Do not enable TLS by
15980 default on SPARC/Solaris before version 10.
15981 * configure: Regenerate.
15983 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15985 * doc/invoke.texi (xl-compat): Document conversion and support
15988 2006-02-07 Jeff Law <law@redhat.com>
15990 * tree-vrp.c (find_conditional_asserts): Update comments.
15991 (simplify_stmt_for_jump_threading): New.
15992 (identify_jump_threads, finalize_jump_threads): New.
15993 (vrp_finalize): Call identify_jump_threads.
15994 (execute_vrp): Call finalize_jump_threads.
15995 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15996 (vrp_element, vrp_data, vrp_element_p): Remove.
15997 (vrp_hash_elt, vrp_variables_stack): Remove.
15998 (vrp_hash, vrp_eq, record_range): Remove.
15999 (simplify_cond_and_lookup_avail_expr): Remove.
16000 (extract_range_from_cond): Remove.
16001 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16002 (simplify_stmt_for_jump_threading): New.
16003 (dom_thread_across_edge): New wrapper.
16004 (tree_ssa_dominator_optimize): No longer initialize or
16005 finalize any of the VRP datastructures. Remove iteration
16006 step and simplify as a result of removal of iteration step.
16007 (pass_dominator): Perform a cfg cleanup after DOM.
16008 (dom_opt_finalize_block): Use the new common routines
16009 for threading jumps. Simplify stack management slightly.
16010 No longer need to unwind VRP state.
16011 (record_equivalences_from_incoming_edge): No longer record
16013 (eliminate_redundant_computations): No longer call
16014 simplify_cond_and_lookup_avail_expr.
16015 * tree-flow.h (potentially_threadable_block): Prototype.
16016 (thread_across_edge): Likewise.
16017 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16018 (tree-ssa-threadedge.o): Add dependencies.
16019 * tree-ssa-threadedge.c: New file.
16020 * passes.c (init_optimization_passes): Merge PHIs before
16021 calling VRP. Run VRP again late in the SSA optimization pipeline.
16023 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16025 * df-core.c (df_set_blocks): Do not dereference function pointers.
16026 (df_finish1): Likewise.
16027 (df_hybrid_search_forward): Likewise.
16028 (df_hybrid_search_backward): Likewise.
16029 (df_iterative_dataflow): Likewise.
16030 (df_analyze_problem): Likewise.
16031 (df_compact_blocks): Likewise.
16032 (df_dump): Likewise.
16033 * df-scan.c (df_rescan_blocks): Likewise.
16034 (df_record_entry_block_defs): Likewise.
16036 * genconditions.c (write_conditions): Guard the definition of
16037 'insn_conditions' with the check on GCC version.
16038 (write_writer): Guard the traversal 'insn_conditions' with
16039 the check on GCC version.
16041 2006-02-07 Richard Guenther <rguenther@suse.de>
16045 2006-01-30 Richard Guenther <rguenther@suse.de>
16047 * gimplify.c (gimplify_target_expr): Handle easy cases
16048 without creating a temporary.
16050 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16052 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16053 use of float in probability computations. Use edge probabilities
16054 in place of statically computed probabilities.
16055 (min_spec_prob): New static variable.
16056 (schedule_insns): Initialize it.
16057 (GET_SRC_PROB): Removed.
16058 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16060 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16063 * config/ia64/unwind-ia64.c: Revert last change.
16064 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16065 (INCOMING_FRAME_SP_OFFSET): Define.
16067 2006-02-06 Roger Sayle <roger@eyesopen.com>
16069 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16071 2006-02-07 Ben Elliston <bje@au.ibm.com>
16073 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16074 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16075 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16076 (ix86_return_in_memory): Handle TDmode.
16077 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16078 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16080 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16082 * reorg.c (dbr_schedule): Use dump_file instead of file.
16084 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16087 * config/ia64/predicates.md (extr_len_operand): New predicate.
16088 * config/ia64/ia64.md (extv): Tighten constraints.
16090 (*tbit_and_2): Ditto.
16091 (*tbit_and_3): Ditto.
16092 (*tbit_or_2): Ditto.
16093 (*tbit_or_3): Ditto.
16094 (*bit_zero): Ditto.
16097 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16100 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16102 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16104 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16105 loop_optimizer_init and loop_optimizer_finalize
16106 * tree-ssa-sink.c (execute_sink_code): Ditto.
16107 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16108 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16109 tree_ssa_loop_done): Ditto.
16110 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16111 * sched-ebb.c: Include output.h.
16112 (schedule_ebbs): Do not use dump argument.
16113 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16114 * loop.c (loop_dump_stream): Removed.
16115 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16117 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16118 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16119 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16120 loop_iterations, strength_reduce, record_biv, record_giv,
16121 final_giv_value, check_final_value, check_ext_dependent_givs,
16122 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16123 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16124 dump_file instead of loop_dump_stream.
16125 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16126 argument dump_file.
16127 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16129 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16130 * haifa-sched.c: Include output.h
16131 (schedule_insns, sched_init): Do not use dump argument.
16132 * mode-switching.c (optimize_mode_switching): Ditto.
16133 * modulo-sched.c (stats_file): Removed.
16134 (print_node_sched_params): Do not call argument dump_file.
16135 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16136 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16138 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16140 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16141 rtl_loop_init, rtl_loop_done): Ditto.
16142 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16143 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16145 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16146 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16147 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16148 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16149 * emit-rtl.c (renumber_insns): Ditto.
16150 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16151 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16152 * regclass.c (regclass): Ditto.
16153 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16154 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16155 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16156 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16158 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16159 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16161 * gcse.c (gcse_file, debug_stderr): Removed.
16162 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16163 rest_of_handle_gcse): Do not use dump argument.
16164 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16165 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16166 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16167 compute_code_hoist_vbeinout, compute_code_hoist_data,
16168 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16169 compute_store_table, build_store_vectors, insert_insn_start_bb,
16170 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16171 store_motion): Use dump_file instead of gcse_file.
16172 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16173 * profile.c (profile_dump_file): Removed.
16174 (branch_prob): Use dump_file instead of profile_dump_file.
16175 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16177 * tree-ssa-copy.c (dump_copy_of): Ditto.
16178 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16179 dump file to life_analysis.
16180 * bt-load.c (branch_target_load_optimize): Ditto.
16181 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16183 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16184 regclass, dbr_schedule): Declaration changed.
16185 * sched-int.h (sched_init): Declaration changed.
16186 * tree-profile.c (tree_profile_dump_file): Removed.
16187 (tree_profile_hooks): Removed profile_dump_file hook.
16188 * rtl-profile (rtl_profile_dump_file): Removed.
16189 (rtl_profile_hooks): emoved profile_dump_file hook.
16190 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16192 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16193 * tree-cfg.c (build_tree_cfg): Ditto.
16194 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16195 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16196 Declaration changed.
16197 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16198 life_analysis and schedule_insns.
16199 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16201 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16203 * config/mips/mips.c (mips_reorg): Ditto.
16204 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16207 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16209 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16210 (s390_mangle_fundamental_type): New.
16211 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16214 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16215 (alpha_mangle_fundamental_type): New.
16216 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16219 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16221 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16223 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16224 (sparc_mangle_fundamental_type): New.
16226 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16228 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16229 (s390x-*-linux*): Likewise.
16230 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16231 * config/s390/t-linux: New file.
16233 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16235 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16236 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16238 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16240 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16241 (ANTIC_SAFE_LOADS): New macro.
16242 (find_or_generate_expression): Add prototype.
16243 (set_contains_value): Allow null set for sake of not always having
16244 to allocate ANTIC_SAFE_LOADS.
16245 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16246 Allow COMPONENT_REF too.
16247 (valid_in_set): Allow COMPONENT_REF.
16248 Check ANTIC_SAFE_LOADS too.
16249 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16250 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16252 (can_PRE_operation): Add COMPONENT_REF.
16253 (create_component_ref_by_pieces): New function.
16254 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16255 (insert_aux): Move AGGREGATE_TYPE_P check here.
16256 (compute_avail): Set bb local stmt uids.
16257 (pass_pre): Use TODO_update_ssa_only_virtuals.
16259 2006-02-06 Ben Elliston <bje@au.ibm.com>
16261 * configure.ac: Unconditionally disable decimal float by default.
16262 * configure: Regenerate.
16264 2006-02-06 Ben Elliston <bje@au.ibm.com>
16266 * read-rtl.c (read_name): Terminate reading on EOF.
16268 2006-02-06 Ben Elliston <bje@au.ibm.com>
16270 * dfp.c (decimal_real_arithmetic): Change second argument type
16271 from int to enum tree_code. Do not always return true, but now
16272 return result of any call to decimal_do helper functions.
16273 * dfp.h (decimal_real_arithmetic): Update prototype.
16275 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16277 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16279 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16282 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16285 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16287 * tree-vrp.c (cfg_loops): Removed.
16288 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16289 Use current_loops instead of cfg_loops. Pass flags to
16290 loop_optimizer_init.
16291 * cfgloopmanip.c (fix_loop_structure): Update only available
16293 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16294 loop_optimizer_init.
16295 * modulo-sched.c (build_loops_structure): Removed.
16296 (sms_schedule): Use loop_optimizer_init.
16297 * loop-init.c (loop_optimizer_init): Use flags to determine
16298 which properties of loops to prepare.
16299 (rtl_loop_init): Pass flags to loop_optimizer_init.
16300 * tree-ssa-sink.c (execute_sink_code): Ditto.
16301 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16302 * tree-ssa-pre.c (init_pre): Ditto.
16303 * cfgloop.h (LOOPS_NORMAL): New.
16304 (loop_optimizer_init): Declaration changed.
16306 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16308 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16309 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16311 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16313 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16315 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16316 * pa/t-pa64: Delete quadlib.c rule.
16317 * pa/x-ada: Revert last change.
16318 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16320 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16322 PR rtl-optimization/26087
16323 * rtlanal.c (canonicalize_condition): Do not cross basic block
16326 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16329 * config/ia64/ia64.c: Include debug.h.
16330 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16331 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16332 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16333 (process_epilogue, process_set, process_for_unwind_directive):
16334 Output unwind info only if requested. Add CFA info if requested.
16335 Add new arguments as needed. Adjust callers.
16336 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16338 (DWARF2_FRAME_INFO): Define to zero.
16339 * config/ia64/unwind-ia64.c: Remove code that compensated for
16340 the CFA offset error fixed above.
16341 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16342 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16343 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16344 -funwind-tables and -fexceptions to enable frame info.
16345 (dwarf2out_frame_init): Define initial CFA even if
16346 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16347 DWARF2_UNWIND_INFO is nonzero, not just defined.
16348 (dwarf2out_frame_finish): Output non-EH call frame info only
16349 if DWARF2_FRAME_INFO is nonzero.
16350 (convert_cfa_to_loc_list,
16351 compute_frame_pointer_to_cfa_displacement): Define even if
16352 unwind info is not supported.
16353 (gen_subprogram_die): Use the above unconditionally. Remove
16354 legacy alternate code.
16355 * toplev.c (compile_file): Compile in call to
16356 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16357 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16359 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16360 Jakub Jelinek <jakub@redhat.com>
16362 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16363 IBM extended float format long double as "g" on powerpc*-linux.
16365 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16368 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16369 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16371 2006-02-03 Jason Merrill <jason@redhat.com>
16374 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16376 PR middle-end/25977
16377 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16378 on the return slot if it's an NRV.
16380 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16382 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16383 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16384 rewrite_use): Do not handle USE_OUTER.
16385 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16386 add_iv_outer_candidates, may_replace_final_value,
16387 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16388 (find_interesting_uses_op): Functionality of
16389 find_interesting_uses_outer_or_nonlin moved here.
16390 (find_interesting_uses_outside): Use find_interesting_uses_op.
16392 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16395 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16397 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16398 Ulrich Weigand <uweigand@de.ibm.com>
16401 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16402 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16403 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16404 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16406 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16407 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16408 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16409 Define secondary reloads for TFmode moves.
16410 (constant_modes): Add TFmode.
16411 (NR_C_MODES): Set to 8.
16412 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16414 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16415 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16416 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16417 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16418 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16419 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16420 (FPR mode macro): Add TFmode.
16421 (DSF mode macro): New.
16422 (<de>, <dee> mode attributes): Removed.
16423 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16424 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16425 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16426 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16427 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16428 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16429 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16430 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16431 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16432 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16433 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16434 "*negabs<mode>2", "sqrt<mode>2"):
16435 Changed <de> to <xde>. R constraint replaced by <Rf>.
16436 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16438 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16439 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16440 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16442 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16443 "extenddftf2", "extendsftf2"): New expanders.
16444 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16445 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16446 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16447 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16449 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16450 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16451 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16452 __floatditf): Add a GCC_4.1.0 symbol version tag.
16453 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16456 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16459 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16460 Use targetm.binds_local_p instead of TREE_PUBLIC.
16462 2006-02-02 Roger Sayle <roger@eyesopen.com>
16464 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16465 on INTEGER_TYPEs to indicate that it denotes a character type.
16466 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16467 signed_char_type_node, unsigned_char_type_node and char_type_node.
16468 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16469 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16470 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16472 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16473 Daniel Berlin <dberlin@dberlin.org>
16475 * tree-tailcall.c (arg_needs_copy_p): New function.
16476 (eliminate_tail_call): Use arg_needs_copy_p.
16477 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16478 (add_virtual_phis): New function.
16480 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16482 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16483 #ignore instead of #scratch for %g7 .register directive.
16485 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16487 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16490 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16492 * flow.c (calculate_global_regs_live): Assert that there aren't any
16495 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16497 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16498 what its name says.
16499 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16500 bsi_after_labels iterator.
16501 * tree-if-conv.c (find_phi_replacement_condition,
16502 replace_phi_with_cond_modify_expr): Likewise.
16503 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16504 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16506 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16508 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16510 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16513 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16514 array after growing it.
16516 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16518 PR middle-end/24901
16519 * fold-const.c (fold_checksum_tree): Change type of buf.
16521 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16523 * reload.c (push_secondary_reload): Initialize t_icode.
16525 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16527 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16528 -msoft-float -mlong-double-128 only issue a warning, but don't
16529 swich to DFmode long double.
16531 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16533 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16534 has a constant equivalent, iterate over equivalents for arg0,
16535 calling simplify_relational_operation and if there's a result
16536 cheaper than X, apply fold_rtx and return the result.
16538 2006-02-01 Jan Hubicka <jh@suse.cz>
16540 * opts.c (no_unit_at_a_time_default): New global variable.
16541 (decode_options): Use it.
16542 * opts.h (no_unit_at_a_time_default): Declare.
16544 2006-02-01 Paul Brook <paul@codesourcery.com>
16546 * function.c (assign_parm_setup_reg): Use function argument promotion
16548 * expr.c (expand_expr_real_1): Use function argument promotion rules
16551 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16553 * gcc.c (process_command): Change j to 'unsigned int'.
16555 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16557 PR middle-end/26001
16558 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16559 Use the corrected index for the character
16560 out of the string constant.
16562 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16564 * mode-switching.c (optimize_mode_switching): Fix size
16565 allocated for bb_info[n_entities].
16567 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16569 * gcc.c (main): Correct type that is allocated for
16570 explicit_link_files.
16572 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16574 * config/s390/s390.c (init_alignment_context): Set
16575 ALIAS_SET_MEMORY_BARRIER on the MEM.
16576 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16578 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16580 PR middle-end/25933
16581 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16583 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16586 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16588 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16589 * regrename.c: Ditto.
16590 * tree-ssa-loop-im.c: Ditto.
16591 * tree-dump.c: Ditto.
16592 * tree-complex.c: Ditto.
16593 * genrecog.c: Ditto.
16594 * tree-ssa-threadupdate.c: Ditto.
16596 * java/class.c: Ditto.
16597 * java/jcf-parse.c: Ditto.
16598 * java/resource.c: Ditto.
16599 * java/except.c: Ditto.
16600 * java/jvspec.c: Ditto.
16601 * java/jcf-write.c: Ditto.
16602 * java/jcf-path.c: Ditto.
16603 * java/gjavah.c: Ditto.
16604 * java/zextract.c: Ditto.
16605 * java/jcf-io.c: Ditto.
16606 * java/jcf.h: Ditto.
16607 * java/buffer.c: Ditto.
16608 * java/lang.c: Ditto.
16609 * java/parse-scan.y: Ditto.
16610 * java/lex.c: Ditto.
16611 * java/lex.h: Ditto.
16612 * cfgloopmanip.c: Ditto.
16613 * postreload-gcse.c: Ditto.
16614 * tree-ssa-loop-manip.c: Ditto.
16615 * postreload.c: Ditto.
16616 * tree-ssa-loop-ch.c: Ditto.
16619 * cppspec.c: Ditto.
16620 * diagnostic.c: Ditto.
16622 * genoutput.c: Ditto.
16624 * cfghooks.c: Ditto.
16625 * cfgloopanal.c: Ditto.
16626 * objc/objc-act.c: Ditto.
16628 * genextract.c: Ditto.
16629 * genautomata.c: Ditto.
16630 * pretty-print.c: Ditto.
16631 * genemit.c: Ditto.
16632 * cgraphunit.c: Ditto.
16634 * df-scan.c: Ditto.
16635 * haifa-sched.c: Ditto.
16636 * dominance.c: Ditto.
16638 * tree-ssa-loop-ivopts.c: Ditto.
16639 * df-core.c: Ditto.
16640 * mode-switching.c: Ditto.
16641 * modulo-sched.c: Ditto.
16643 * ipa-pure-const.c: Ditto.
16645 * fix-header.c: Ditto.
16647 * tree-stdarg.c: Ditto.
16648 * ipa-utils.c: Ditto.
16649 * loop-init.c: Ditto.
16650 * ipa-inline.c: Ditto.
16651 * cfganal.c: Ditto.
16653 * alloc-pool.c: Ditto.
16654 * dwarf2out.c: Ditto.
16656 * genattrtab.c: Ditto.
16657 * tree-ssa-loop-ivcanon.c: Ditto.
16658 * predict.c: Ditto.
16659 * timevar.c: Ditto.
16661 * fortran/gfortranspec.c: Ditto.
16662 * regmove.c: Ditto.
16663 * local-alloc.c: Ditto.
16664 * langhooks.c: Ditto.
16665 * function.c: Ditto.
16666 * tree-vectorizer.c: Ditto.
16668 * ipa-type-escape.c: Ditto.
16670 * tree-if-conv.c: Ditto.
16671 * profile.c: Ditto.
16673 * tree-data-ref.c: Ditto.
16674 * loop-unroll.c: Ditto.
16675 * treelang/treetree.c: Ditto.
16677 * bt-load.c: Ditto.
16678 * ggc-common.c: Ditto.
16680 * coverage.c: Ditto.
16682 * tree-cfgcleanup.c: Ditto.
16683 * tree-ssa-pre.c: Ditto.
16684 * cfgcleanup.c: Ditto.
16685 * loop-invariant.c: Ditto.
16686 * loop-iv.c: Ditto.
16687 * ipa-prop.c: Ditto.
16688 * print-tree.c: Ditto.
16689 * conflict.c: Ditto.
16690 * ggc-page.c: Ditto.
16691 * sched-deps.c: Ditto.
16692 * regclass.c: Ditto.
16693 * tree-object-size.c: Ditto.
16694 * combine.c: Ditto.
16695 * bb-reorder.c: Ditto.
16696 * resource.c: Ditto.
16697 * var-tracking.c: Ditto.
16698 * cfgloop.c: Ditto.
16699 * df-problems.c: Ditto.
16700 * reg-stack.c: Ditto.
16702 * gccspec.c: Ditto.
16703 * sched-rgn.c: Ditto.
16704 * tree-ssa-structalias.c: Ditto.
16705 * tree-ssa-reassoc.c: Ditto.
16706 * config/darwin-c.c: Ditto.
16707 * config/darwin.c: Ditto.
16708 * config/arm/arm.c: Ditto.
16710 * collect2.c: Ditto.
16711 * reload1.c: Ditto.
16713 2006-01-31 Nicolas Pitre <nico@cam.org>
16715 * arm.md (smaxsi3): Make aware of smax_m1.
16718 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16720 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16722 2006-01-31 Richard Guenther <rguenther@suse.de>
16724 * doc/invoke.texi (-msselibm): Document.
16725 * target.h (expand_library_builtin): New target hook.
16726 * builtins.c (expand_builtin): Use expand_library_builtin.
16727 (default_expand_library_builtin): New function.
16728 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16729 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16730 (link_gcc_math_spec): Declare.
16731 (static_specs): Add link_gcc_math_spec.
16732 * expr.h (default_expand_library_builtin): Declare.
16733 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16734 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16735 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16736 * config/i386/i386.opt (msselibm): New target option.
16737 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16738 (ix86_init_sse_abi_builtins): New function.
16739 (ix86_expand_library_builtin): Likewise.
16740 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16741 (override_options): Handle error conditions wrt -msselibm.
16742 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16743 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16744 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16747 2006-01-31 Richard Guenther <rguenther@suse.de>
16748 Paolo Bonzini <bonzini@gnu.org>
16750 * doc/install.texi (--disable-libgcc-math): Document.
16752 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16754 * expr.h (expand_normal): new inline function.
16755 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16756 * dojump.c: use it.
16757 * dwarf2out.c: use it.
16760 * expmed.c: use it.
16761 * except.c: use it.
16762 * config/sparc/sparc.c: use it.
16763 * config/i386/i386.c: use it.
16764 * config/rs6000/rs6000.c: use it.
16765 * config/arm/arm.c: use it.
16766 * config/mips/mips.c: use it.
16767 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16769 2006-01-30 Roger Sayle <roger@eyesopen.com>
16771 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16772 argv to the appropriate type.
16774 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16776 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16779 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16782 * config/s390/s390.c (struct machine_function): New flag
16783 decomposed_literal_pool_addresses_ok_p.
16784 (s390_reorg): Set it before final stage of literal pool transforms.
16785 (s390_decompose_address): Only accept displacements of the form
16786 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16788 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16790 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16791 the comparison routine return.
16793 2006-01-30 Michael Matz <matz@suse.de>
16795 * global.c (find_reg): Only evict for global regs.
16796 Take n_refs into account and dump more info.
16798 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16801 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16802 (pragma_trap, pragma_nosave_low_regs): Likewise.
16803 (current_function_anonymous_args): Likewise.
16804 (sh_deferred_function_attributes): New variable.
16805 (sh_deferred_function_attributes_tail): Likewise.
16806 (print_operand): For '@', look up trap_exit attribute.
16807 (calc_live_regs): Look up trapa_handler attribute. For trapa
16808 handlers, save/restore fpscr, but don't do any other
16809 interrupt-specific saves.
16810 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16811 Fix check for partially saved registers to check for SHmedia.
16812 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16813 (sh_output_function_epilogue): Don't clear any of the removed
16815 (sh_insert_attributes): Don't check pragma_interrupt.
16816 Insert deferred attributes. Check that interrupt attribute is
16817 present for other attributes that require its presence.
16818 (sh_attribute_table): Add new attributes trapa_handler and
16820 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16821 Don't check for pragma_interrupt. Don't store argument.
16822 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16823 (sh_deferred_function_attributes): Declare.
16824 (sh_deferred_function_attributes_tail): Likewise.
16825 * sh.md (sp_switch_1): Add operand. Change generator caller.
16826 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16827 (*return_i): Don't use when trap_exit attribute is in effect.
16828 (*return_trapa): New insn pattern.
16829 * sh-c.c: New file.
16830 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16831 setting c_target_objs and cxx_target_objs.
16832 * t-sh: Add rule for sh-c.o.
16834 2006-01-30 Richard Guenther <rguenther@suse.de>
16837 * gimplify.c (gimplify_target_expr): Handle easy cases
16838 without creating a temporary.
16840 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16842 * vec.h (safe_grow): Remove duplicated line.
16844 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16847 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16848 (expand_omp): ... here.
16849 (expand_omp_parallel): Only remove barriers for combined
16850 parallel+workshare constructs.
16852 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16856 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16857 * tree.c (build_qualified_type): Chain the new type to the original
16858 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16859 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16860 (build_pointer_type_for_mode): Only return unqualified types.
16861 (build_reference_type_for_mode): Likewise.
16863 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16865 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16866 * Makefile.in (CXX_COMPAT_WARN): Define.
16867 * configure: Regenerate.
16869 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16872 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16875 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16877 * toplev.c: Fix thinko.
16879 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16880 Marcin Dalecki <martin@dalecki.de>
16882 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16883 (push_srcloc): Use XNEW.
16884 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16886 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16888 * df-core.c (df_set_blocks): Deleted all variable.
16890 2006-01-28 Ian Lance Taylor <ian@airs.com>
16892 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16893 cgraph_output_pending_asms.
16895 2006-01-28 Zack Weinberg <zackw@panix.com>
16897 * c.opt: Add -W(no-)overlength-strings.
16898 * doc/invoke.texi: Document it.
16899 * c-opts.c (c_common_handle_option): -pedantic implies
16900 -Woverlength-strings, if not explicitly disabled already.
16901 (c_common_post_options): -Woverlength-strings defaults to off, and
16902 is always off for C++.
16903 * c-common.c (fix_string_type): Issue warning about strings longer
16904 than is portable only if warn_overlength_strings. Rearrange code
16905 a little for clarity.
16906 * configure.in: Check for -Wno-overlength-strings as well before
16907 enabling -pedantic in stage 1.
16908 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16909 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16911 * genconditions.c (write_header, write_one_condition)
16912 (write_conditions, write_writer): Consolidate very long strings
16913 that were broken up to fit in C89 portable limit. Don't use
16914 printf when fputs will do.
16916 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16918 * combine.c (simplify_comparison <AND>): Check
16919 TRULY_NOOP_TRUNCATION before start using a subreg.
16921 * config/mips/mips.md (*branch_zero<mode>,
16922 *branch_zero<mode>_inverted, *branch_equality<mode>,
16923 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16924 Remove mode check from comparisons.
16926 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16928 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16930 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16932 * expmed.c (const_mult_add_overflow_p): Remove.
16933 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16935 * recog.c (validate_replace_rtx_subexp): Remove.
16936 * recog.h: Remove the prototype for
16937 validate_replace_rtx_subexp.
16939 * integrate.h: Remove the prototype for
16940 copy_decl_for_inlining.
16941 * rtl.h: Remove the prototype for mark_constant_function.
16942 * tree-vectorizer.h: Remove the prototype for
16943 vect_strip_conversion.
16945 * modulo-sched.c (create_partial_schedule,
16946 free_partial_schedule, reset_partial_schedule): Make them
16949 * hooks.c (hook_bool_rtx_int_false): Remove.
16950 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16952 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16954 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16955 and -mlong-double-128 are incompatible.
16956 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16957 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16958 (TARGET_LIBGCC2_CFLAGS): Define.
16959 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16960 (TARGET_LIBGCC2_CFLAGS): Same.
16961 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16963 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16966 * c-typeck.c (build_binary_op): Perform implicit casts of
16967 operands before shortening them.
16969 * cfgloopmanip.c (split_loop_bb): Remove.
16970 * cfgloop.h: Remove the prototype for split_loop_bb.
16972 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16973 * cfgloop.h: Remove the prototype for
16974 flow_loop_outside_edge_p.
16976 * emit-rtl.c (init_virtual_regs): Make it static.
16977 * function.h: Remove the prototype for init_virtual_regs.
16979 * recog.c (peephole2_optimize): Make it static.
16980 * recog.h: Remove the prototype for peephole2_optimize.
16982 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16984 * df-scan.c (df_record_entry_block_defs): Check if
16985 INCOMING_RETURN_ADDR_RTX is defined.
16987 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16988 Kenneth Zadeck <zadeck@naturalbridge.com>
16990 PR rtl-optimization/24762
16991 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16992 * targhooks.c (hook_void_bitmap): New hook prototype.
16993 * targhoohs.h (hook_void_bitmap): Ditto.
16994 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16995 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16996 * target.h (live_on_entry): New function pointer.
16997 * df-scan.c (df_all_hard_regs): Removed.
16998 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16999 (df_scan_free_internal): Added df->entry_block_defs.
17000 (df_scan_alloc): Ditto.
17001 (df_scan_dump): Ditto.
17002 (df_uses_record): Plumbed flag field properly thru calls.
17003 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17004 This part fixes PR24762.
17005 (df_bb_refs_record): Added code to make the frame and arg
17006 pointers live in EH blocks.
17007 (df_refs_record): Added call to df_record_entry_block_defs.
17008 (df_record_entry_block_defs): New function.
17009 * df-core.c: Added comments to describe new artifical defs.
17010 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17011 (entry_block_defs): New field in struct df.
17012 (df_all_hard_regs): Deleted.
17013 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17014 * df-problems.c (df_ru_bb_local_compute_process_def):
17015 Added code to handle artifical defs in the entry to a function.
17016 (df_ru_bb_local_compute): Ditto.
17017 (df_rd_bb_local_compute_process_def): Ditto.
17018 (df_rd_bb_local_compute): Ditto.
17019 (df_lr_bb_local_compute): Ditto.
17020 (df_ur_bb_local_compute): Ditto.
17021 (df_urec_bb_local_compute): Ditto.
17022 (df_chain_create_bb): Ditto.
17023 (df_ur_local_finalize): Removed entry.
17024 (df_urec_init): Ditto.
17025 (df_urec_local_finalize): Ditto.
17026 (df_ri_bb_compute): Added detection of last use of pseudos.
17027 * Makefile.in (df-scan.o): Updated dependencies.
17028 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17029 * config/mips/mips.c (mips_set_live_on_entry): Added.
17030 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17032 * dce.c (marked_insn_p): Added code to handle artifical defs.
17034 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17036 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17038 (_mm_cvtsi128_si64): Likewise.
17039 (_mm_cvtsd_si64): Likewise.
17040 (_mm_cvttsd_si64): Likewise.
17041 (_mm_cvtsi64_sd): Likewise.
17042 (_mm_cvtsi64_si128): Likewise.
17043 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17044 (_mm_cvtsi64_m64): Likewise.
17045 (_m_to_int64): Likewise.
17046 (_mm_cvtm64_si64): Likewise.
17047 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17048 (_mm_cvttss_si64): Likewise.
17049 (_mm_cvtsi64_ss): Likewise.
17050 (_mm_cvtss_f32): Likewise.
17052 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17054 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17055 for pragma redefine_extname.
17057 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17060 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17061 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17062 -mno-minimal-toc to previous content.
17063 (bispecs): Remove goal.
17064 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17065 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17066 compatibility aliases on powerpc-*-*gnu*.
17067 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17068 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17069 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17070 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17071 (ldblspecs): New goal.
17072 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17073 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17075 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17076 L_sf_to_tf or L_df_to_tf is defined.
17078 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17079 Alan Modra <amodra@bigpond.net.au>
17082 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17083 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17084 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17085 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17086 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17087 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17088 (rs6000_override_options): Initialize rs6000_ieeequad.
17089 Initialize TFmode format to ibm_extended_format if not
17091 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17093 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17094 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17095 (function_arg_advance): IBM long double passed in two FPRs, not
17097 (function_arg): IBM long double passed in FPRs.
17098 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17099 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17100 Only multireg GPR aligned.
17101 (rs6000_init_libfuncs): Enable IBM long double functions if not
17103 (rs6000_generate_compare): Use IBM long double compare if not
17105 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17106 (TARGET_IEEEQUAD): Define.
17107 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17108 not TARGET_IEEEQUAD.
17109 * config/rs6000/rs6000.md: Enable TFmode patterns if
17111 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17112 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17113 and -mlong-double-128 are incompatible.
17114 * doc/invoke.texi (-mabi): Collect options together. Add
17115 ibmlongdouble and ieeelongdouble.
17117 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17119 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17121 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17122 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17123 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17124 * rtl.h (rtunion_def): Remove rt_ptr.
17126 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17127 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17128 * config/i386/winnt.c (i386_pe_mark_dllexport)
17129 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17131 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17133 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17135 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17139 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17140 pthread_key_delete. From John David Anglin. gthrw-ify
17141 pthread_getunique_np only if it it's not a macro. Delete
17143 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17144 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17145 __gthread_objc_condition_signal, __gthread_key_delete): Add
17146 "__attribute__ ((__unused__))" to unused arguments.
17147 (__gthread_recursive_mutex_init_function): Add missing return.
17148 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17149 gthr-posix95.h: Use macro-based approach for name redirection
17150 on targets missing weakref.
17152 2006-01-26 Zack Weinberg <zackw@panix.com>
17154 * genconditions.c (write_header): In generated code, #ifdef out
17155 all includes and fake declarations, except includes of bconfig.h
17156 and system.h, unless GCC_VERSION >= 3001. Do not include
17157 gensupport.h in any case.
17158 (write_conditions): Generate a definition of struct c_test. Add
17159 a comment to the generated #endif.
17160 (write_one_condition): Escape backslashes in string too.
17161 (write_writer): Generated code must escape backslashes and quote
17162 marks (but not newlines) in the strings it writes.
17163 * Makefile.in (build/gencondmd.o): Update dependencies.
17165 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17168 * Makefile.in (insn-automata.o): Add header file dependencies.
17169 * genautomata.c: Add includes.
17171 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17174 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17176 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17178 * configure.ac: Expect target tools paths to be passed from the toplevel
17179 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17181 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17183 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17186 * c.opt (Wpointer-sign): Init to -1.
17187 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17188 OPT_pedantic, to 0 otherwise.
17189 * doc/invoke.texi: Update.
17191 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17193 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17194 constants provided by 80387 instructions in the destination mode.
17196 2006-01-26 Richard Guenther <rguenther@suse.de>
17197 Andrew Pinski <pinskia@physics.uc.edu>
17200 partial PR tree-opt/17064
17201 * tree-ssa-structalias.c (intra_create_variable_infos):
17202 Create heap variables for incoming parameters if
17203 flag_argument_noalias > 1.
17204 (find_what_p_points_to): Look through default defs of
17207 2006-01-26 Jeff Law <law@redhat.com>
17210 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17211 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17212 within the VR_RANGE, use the VR_RANGE as the result, not the
17214 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17215 bounds for the type.
17217 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17219 * tree-ssa-alias.c (maybe_create_global_var): Change
17220 subvar walking to an assertion that we don't have subvar'd variables.
17222 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17225 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17226 Use a new variable, inner. PARM_DECLs are always non-weak.
17228 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17230 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17231 --disable-checking.
17233 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17235 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17237 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17239 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17240 (smax_insn, smin_insn, smax_0, smin_0): New.
17242 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17245 * config/cris/cris.c (cris_order_for_addsi3): New function.
17246 * config/cris/cris-protos.h: Prototype it.
17247 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17248 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17249 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17250 (split for "op.S1 [rx=rx+i],ry (swapped)")
17251 (split for "op(s|u).S1 [rx=rx+i],ry")
17252 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17253 Apply cris_order_for_addsi3 when generating addsi3 insns.
17255 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17257 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17258 (TREE_BLOCK): Add call to EXPR_CHECK.
17260 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17263 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17264 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17265 (dump_omp_clauses): ... here.
17266 (dump_generic_node): Handle OMP_CLAUSE.
17267 * tree.c (omp_clause_num_ops): New.
17268 (omp_clause_code_name): New.
17269 (tree_code_size): Handle OMP_CLAUSE.
17270 (tree_size): Likewise.
17271 (make_node): Document handling of OMP_CLAUSE.
17272 (tree_node_structure): Handle OMP_CLAUSE.
17273 (omp_clause_check_failed): New.
17274 (omp_clause_range_check_failed): New.
17275 (omp_clause_operand_check_failed): New.
17276 (build_omp_clause): New.
17277 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17278 * tree.h (enum omp_clause_code): Declare.
17279 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17280 (OMP_CLAUSE_RANGE_CHECK): Define.
17281 (OMP_CLAUSE_ELT_CHECK): Define.
17282 (omp_clause_check_failed): Declare.
17283 (omp_clause_operand_check_failed): Declare.
17284 (omp_clause_range_check_failed): Declare.
17285 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17286 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17287 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17288 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17289 (OMP_CLAUSE_IF_EXPR): Likewise.
17290 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17291 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17292 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17293 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17294 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17295 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17296 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17297 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17298 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17299 (OMP_CLAUSE_CODE): Define.
17300 (OMP_CLAUSE_SET_CODE): Define.
17301 (OMP_CLAUSE_CODE): Define.
17302 (OMP_CLAUSE_OPERAND): Define.
17303 (struct tree_omp_clause): Declare.
17304 (union tree_node): Add field 'omp_clause'.
17305 * treestruct.def (TS_OMP_CLAUSE): Define.
17306 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17307 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17308 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17309 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17310 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17311 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17312 (OMP_CLAUSE): Define.
17313 * print-tree.c (print_node): Handle OMP_CLAUSE.
17314 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17315 * c-typeck.c: Likewise.
17316 * gimplify.c: Likewise.
17317 * c-omp.c: Likewise.
17318 * tree-nested.c: Likewise.
17319 * tree-inline.c: Likewise.
17320 * c-parser.c: Likewise.
17321 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17324 2006-01-25 Roger Sayle <roger@eyesopen.com>
17326 PR rtl-optimization/25703
17327 * combine.c (try_combine): Handle zero_extract and strict_low_part
17328 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17330 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17332 * global.c: Fix comment typos.
17334 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17337 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17338 Use output_addr_const instead of assemble_name.
17340 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17342 * Makefile.in (sched-vis.o): Update dependencies.
17343 * haifa-sched.c (sched_finish): Clear current_sched_info.
17344 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17345 (dump_flow_info): Call it.
17346 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17348 * basic-block.h (dump_bb_info): Declare.
17349 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17350 option, and apply options only for dump files whose TDF_RTL,
17351 TDF_TREE, or TDF_IPA bits match.
17352 * rtl.h: Declare new functions exported from sched-vis.c.
17353 * sched-vis.c: Enable also if scheduling is not used.
17354 (print_value): Print the mode of registers if not inside scheduling.
17355 (print_insn): Make it work outside the scheduler. Beautify the output
17357 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17359 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17361 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17362 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17363 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17364 depending on the value of CONSTANT_POOL_ADDRESS_P.
17365 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17367 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17368 rather than SYMBOL_REF_DECL.
17369 (rtx_constant_pool): Remove const_rtx_sym_htab.
17370 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17371 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17372 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17373 Remove handling of const_rtx_sym_htab.
17374 (find_pool_constant): Delete.
17375 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17376 rather than find_pool_constant.
17377 (get_pool_constant_for_function): Delete.
17378 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17379 find_pool_constant.
17380 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17381 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17382 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17383 (SYMBOL_REF_CONSTANT): New macro.
17384 (get_pool_constant_for_function): Delete.
17385 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17386 rather than SYMBOL_REF_DECL.
17387 (i386_pe_mark_dllimport): Likewise.
17388 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17389 rather than SYMBOL_REF_DECL.
17390 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17391 (machopic_indirect_call_target): Likewise.
17393 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17395 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17397 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17399 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17401 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17403 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17405 2006-01-24 David Daney <ddaney@avtrex.com>
17408 * configure.ac (enable_tls): New enable option.
17409 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17410 * configure: Regenerate.
17411 * doc/install.texi (--enable-tls): Document new option.
17412 (--disable-tls): Ditto.
17414 2006-01-24 Richard Henderson <rth@redehat.com>
17416 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17417 * alias.c (true_dependence): Respect it.
17418 (canon_true_dependence, write_dependence_p): Likewise.
17419 * builtins.c (get_builtin_sync_mem): Set it.
17421 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17423 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17426 2006-01-24 DJ Delorie <dj@redhat.com>
17428 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17429 for storing constants in single-bit bitfields.
17431 2006-01-25 Ben Elliston <bje@au.ibm.com>
17433 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17435 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17438 * tree-ssa-pre.c (phi_translate): Return NULL
17439 for AGGREGATE_TYPE's.
17441 2006-01-24 Zack Weinberg <zackw@panix.com>
17443 * genautomata.c (process_state_for_insn_equiv_partition):
17444 Use xcalloc for insn_arcs_array.
17445 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17446 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17448 2006-01-24 Richard Henderson <rth@redhat.com>
17450 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17451 update all callers.
17453 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17455 PR rtl-optimization/25890
17456 PR rtl-optimization/25905
17457 * combine.c (expand_compound_operation, expand_field_assignment):
17458 Fail if the bitfield's final position is out of bounds.
17460 2006-01-24 Ian Lance Taylor <ian@airs.com>
17462 PR middle-end/25930
17463 * cgraphunit.c (cgraph_output_in_order): Don't clear
17464 cgraph_asm_nodes until after asm strings have been output.
17466 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17468 * fix-header.c (read_scan_file): Add new parameter imultilib when
17469 calling register_include_chains.
17471 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17473 * omp-low.c: Update documentation.
17475 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17476 Daniel Berlin <dberlin@dberlin.org>
17480 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17481 return from the function.
17483 2006-01-22 Zack Weinberg <zackw@panix.com>
17485 * rtl.def (match_code): Add second argument.
17486 * genpreds.c (write_extract_subexp): New function.
17487 (write_match_code): Add path argument. Use write_extract_subexp.
17488 (write_predicate_expr): Pass path to write_match_code.
17489 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17490 not perform a mode test.
17491 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17492 a subexpression does not constrain the top-level code set.
17493 * read-rtl.c (read_rtx_variadic): New function.
17494 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17495 * doc/md.texi: Document new notation.
17496 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17497 (cmpsi_operand): ... here, using new notation.
17499 2006-01-22 Zack Weinberg <zackw@panix.com>
17501 * varray.c: Remove GENERATOR_FILE #ifdefs.
17503 2006-01-22 Zack Weinberg <zackw@panix.com>
17505 * genautomata.c (output_reserved_units_table): Emit nothing if
17506 description->query_units_num is zero. Remove extra blank line.
17507 (output_cpu_unit_reservation_p): Short circuit
17508 if description->query_units_num is zero.
17510 2006-01-22 Zack Weinberg <zackw@panix.com>
17512 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17513 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17514 nor any of the random handful of variables that used to be necessary
17515 when this program was linked with rtlanal.o. Prune set of forward
17516 function declarations.
17517 (struct attr_desc): Remove static_p field.
17518 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17519 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17520 (attr_string): Do not read the character one past the length of
17522 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17523 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17524 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17525 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17526 (make_automaton_attrs): New.
17527 (main): Do not call into genautomata. Call local gen_bypass
17528 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17529 Remove special case for insn_alts.
17530 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17531 varray.h (leftover from previous change). Prune set of forward
17532 function declarations. Remove state_alts fields from all
17533 structures. Remove state_alts_table from struct automaton.
17534 Make everything except main static. Do not maintain num_dfa_decls.
17535 Do not maintain state_alts fields of various structures.
17536 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17537 (add_arc): Remove state_alts argument. All callers updated.
17538 (output_reserved_units_table): Emit #ifdef here...
17539 (output_tables): ...not here. Don't generate state_alts tables.
17540 (expand_automata): Don't generate attributes.
17541 (write_automata): Don't generate state_alts functions.
17542 (main): New function.
17543 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17544 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17545 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17546 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17547 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17548 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17549 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17550 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17552 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17553 * genattrtab.h: Delete file.
17554 * Makefile.in (OBJS-common): Add insn-automata.o.
17555 (insn-automata.o): New rule.
17556 (simple_generated_c): Add insn-automata.c.
17557 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17558 (genprogmd): Add automata.
17559 (build/genattrtab): Needs no extra objects nor libraries.
17560 (build/genautomata): Needs build/vec.o and -lm.
17562 2006-01-22 Zack Weinberg <zackw@panix.com>
17564 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17565 (output_dfa_max_issue_rate, locked_states_num): Delete.
17566 (struct automaton): Add locked_states field.
17567 (output_dead_lock_vect): Save number of locked states in
17568 automaton->locked_states. If it is zero, don't print anything.
17569 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17570 (output_internal_dead_lock_func): Only test the dead_lock_vect
17571 for automata that have locked states.
17572 (output_statistics): Always print the number of locked states for
17573 each automaton. Calculate total number of locked states here.
17574 (write_automata): Don't call output_dfa_max_issue_rate.
17575 * genattrtab.c: Define length_unit_log as a const variable.
17576 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17577 max_insn_queue_index const.
17578 * final.c (length_unit_log): Declare const.
17579 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17581 2006-01-22 Zack Weinberg <zackw@panix.com>
17583 * genautomata.c: Include vec.h, not varray.h.
17584 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17585 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17586 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17587 VEC_* macros operating on appropriately typed vectors, or to
17588 malloced arrays when the size is known in advance. Const-ify
17589 many char* variables and function arguments. No functional changes.
17590 * Makefile.in (build/varray.o): Delete rule.
17591 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17592 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17594 2006-01-22 Zack Weinberg <zackw@panix.com>
17596 * gensupport.c: Define get_insn_name and record_insn_name here.
17597 (read_md_rtx): Call record_insn_name as appropriate.
17598 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17599 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17600 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17602 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17603 (BUILD_VARRAY): Delete.
17604 (genprognormal): Rename genprogmd. Fold in all programs from
17605 genprognoprint; also attrtab.
17606 (build/genattrtab): Just mention genautomata.o and varray.o.
17607 Reorganize a bit, add comments to make the categories clearer.
17609 2006-01-22 Zack Weinberg <zackw@panix.com>
17611 * genconditions.c (condition_table, add_condition): Delete.
17612 (write_conditions): Don't emit n_insn_conditions nor
17613 insn_elision_unavailable. Issue the gcc version #ifdef here,
17614 inside the table, with no #else clause ...
17615 (write_header): ...not here.
17616 (write_writer): New function.
17617 (main): Don't initialize condition_table. Use add_c_test.
17619 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17620 files on the command line.
17621 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17622 Return -1 if there is no entry in the table, don't abort.
17623 (add_c_test, traverse_c_tests): New functions.
17624 * gensupport.h (insn_elision_unavailable, insn_conditions)
17625 (n_insn_conditions): Delete declarations.
17626 (add_c_test, traverse_c_tests): Declare.
17627 * read-rtl.c: Include gensupport.h.
17628 (read_conditions): New function.
17629 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17630 (read_rtx_1): If we get EOF when we were looking for an initial
17631 open paren, return 0. Call read_conditions when appropriate.
17632 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17633 dummy-conditions.o. Eliminate references to insn-conditions.o,
17634 or change them to build/gencondmd.o, as appropriate. Remove
17635 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17636 from $(simple_generated_c). For all files remaining in those
17637 two lists, add insn-conditions.md to the generator command line.
17638 Give insn-constants.h/s-constants their own rules. Add rules
17639 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17640 (build/read-rtl.o): Depend on gensupport.h.
17641 (genprognormal): Include preds.
17642 (genprogearly): Rename genprognoprint; only difference is now that
17643 they don't link with $(BUILD_PRINT).
17644 * dummy-conditions.c: Delete.
17646 2006-01-22 Zack Weinberg <zackw@panix.com>
17648 * genextract.c: Don't include insn-config.h. Do include vec.h.
17649 Declare vectors of int, char, and locstr.
17650 (locstr): New typedef.
17651 (struct extraction): Make all array fields into bare pointers.
17652 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17653 (insn_code_number): Delete.
17654 (accum_extract): New struct.
17655 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17656 (gen_insn): Take insn_code_number as an argument. Use an
17657 accum_extract structure instead of loading data directly into
17658 a struct extraction, and having to know how big it might get.
17659 (walk_rtx): Operate entirely on an accum_extract structure.
17660 (print_path): Avoid unnecessary use of printf.
17661 (print_header): New function, split out of main. Distinguish
17662 more carefully between an unrecognizable insn and an insn that
17663 has the code number of a define_expand.
17664 (main): Pass insn_code_number to gen_insn. Call print_header
17665 only after parsing. Avoid unnecessary use of printf.
17666 * Makefile.in (build/vec.o): New rule.
17667 (build/genextract): Depend on build/vec.o.
17668 (build/genextract.o): Don't depend on insn-config.h.
17670 2006-01-22 Zack Weinberg <zackw@panix.com>
17672 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17673 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17674 practical. Eliminate per-generator-program link rules.
17676 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17678 PR middle-end/24437
17679 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17680 with a call expr to ...
17681 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17683 2006-01-23 Richard Guenther <rguenther@suse.de>
17685 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17686 before make_edge with conditional EDGE_TRUE_VALUE.
17688 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17689 Jan Hubicka <jh@suse.cz>
17690 Richard Guenther <rguenther@suse.de>
17692 PR rtl-optimization/25654
17693 * cfgexpand.c (aggregate_contains_union_type): New function.
17694 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17695 for structure variables that contain a union type.
17697 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17699 * gengtype.c (new_structure): Return the structure.
17700 (create_option): Add an extra "next" argument.
17701 (create_field): New function.
17702 (adjust_field_rtx_def): Use create_option and create_field.
17703 Remove a now-unnecessary call to find_structure.
17704 (adjust_field_tree_def): Likewise.
17705 (note_yacc_type): Remove an unnecessary call to find_structure.
17706 * gengtype.h (new_structure): Return the structure.
17707 (create_option): Add an extra argument.
17708 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17709 (option): Adjust calls to create_option.
17711 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17713 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17715 2006-01-22 Paul Brook <paul@codesourcery.com>
17716 Peter Barada <peter@the-baradas.com>
17718 * config/m68k/m68k.md: Add Coldfire FPU support.
17719 Define FP mode macro and associated attributes.
17720 Use it for float mode patterns.
17721 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17722 (LIBCALL_VALUE): Use m68k_libcall_value.
17723 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17724 (m68k_function_value): Ditto.
17725 (emit_move_sequence): Ditto.
17726 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17727 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17728 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17729 (MULTILIB_EXCEPTIONS): Ditto.
17730 * config/m68k/m68k.opt: Add mcfv4e.
17731 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17732 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17733 (m68k_output_function_prologue): Save ColdFire FPU registers.
17734 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17735 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17736 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17737 ColdFire FPU registers.
17738 (m68k_libcall_value, m68k_function_value): New functions.
17739 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17740 (LIBCALL_VALUE): Use m68k_libcall_value.
17741 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17742 (MASK_COLDFIRE): Add MASK_CFV4E.
17743 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17744 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17745 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17746 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17747 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17748 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17749 * doc/invoke.tex: Document -mcfv4e on m68k.
17751 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17753 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17756 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17759 * c-opts.c (c_common_handle_option): Don't include
17760 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17761 * doc/invoke.texi (C++ Dialect Options): Document that
17762 -Wnon-virtual-dtor is no longer included in -Wall.
17764 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17766 * gcov.c (print_version), gcov-dump.c (print_version),
17767 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17770 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17772 * df-scan.c (problem_SCAN): Added NULL reset function.
17773 (df_scan_reset_blocks): Added code to call reset block function
17774 (df_bb_refs_delete) Fixed comment.
17775 (df_insn_refs_delete): Made tolerant of deleting non existent info
17776 for dataflow problems that need to be reset.
17777 * df-core.c (df_set_blocks): Ditto.
17778 * df.h (struct df_problem): Added reset_fun.
17779 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17780 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17781 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17782 functions to clear out all references to def-use or use-def chains.
17784 2006-01-21 Ben Elliston <bje@au.ibm.com>
17786 * varasm.c (assemble_real): Initialise data array.
17788 2006-01-20 Paul Brook <paul@codesourcery.com>
17790 Merge from csl-arm-branch.
17791 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17792 * config/arm/arm.md (movdi): Force operands[1] to a register
17793 if we have a non-register source.
17794 (*arm_movdi, *movdf_soft_insn): Require that one of the
17795 operands be a register.
17796 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17797 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17799 2006-01-20 DJ Delorie <dj@redhat.com>
17801 * varasm.c (initializer_constant_valid_p): Allow pointers
17802 initialized from integer constants of lesser precision.
17803 (output_constant): Allow non-int-sized pointer modes to be
17804 initialized from integer constants.
17806 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17809 * cppdefault.h (struct default_include): Add multilib flag.
17810 * cppdefault.c (cpp_include_defaults): Set it.
17811 * c.opt (-imultilib): New option.
17812 * c-opts.c (imultilib): New.
17813 (c_common_handle_option): Handle -imultilib.
17814 (c_common_post_options): Likewise.
17815 * c-incpath.c (add_standard_paths, register_include_chains):
17817 * c-incpath.h (register_include_chains): Add extra parameter.
17818 * gcc.c (do_spec_1): Generate -imultilib option.
17819 (The Specs Language): Update %I description.
17820 (process_command): Update copyright notice.
17821 * doc/cppopts.texi (-imultilib): Document.
17822 * doc/invoke.texi (-imultilib): Include in option summary.
17823 (%I): Update specs documentation.
17825 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17827 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17829 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17831 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17834 2006-01-20 Richard Guenther <rguenther@suse.de>
17835 Steven Bosscher <stevenb.gcc@gmail.com>
17837 PR rtl-optimization/24626
17838 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17839 EDGE_TRUE_VALUE if in RTL mode.
17842 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17843 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17845 2006-01-20 Dirk Mueller <dmueller@suse.com>
17848 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17849 instead of a special NOP marker.
17850 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17851 NOP marker handling.
17852 * c-common.h (empty_body_warning): Add forward declaration.
17853 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17854 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17856 2006-01-20 Paul Brook <paul@codesourcery.com>
17858 * Makefile.in (lang_checks): Keep going if mkdir fails.
17860 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17862 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17863 be able to clean out basic block when not necessary.
17864 (df_scan_free): Fixed to properly delete information if df is
17865 unused before calling df_finish.
17866 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17867 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17869 (df_bb_refs_delete): New function.
17870 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17871 * df-core.c (df_set_blocks): Added code to properly clean out
17872 unused blocks if they are not part of the blocks to consider.
17873 Added additional null check.
17874 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17875 be able to clean out basic block when not necessary
17876 * df.h (df_free_bb_function): Ditto.
17877 (df_bb_refs_delete): New function.
17878 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17879 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17880 basic block parameter to be able to clean out basic block when not
17882 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17883 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17884 Fixed to properly delete information if df is unused before
17887 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17889 PR rtl-optimization/25799
17890 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17891 Corrected confluence operator to remove bits from op2 before oring
17892 with op1 rather than removing bits from op1.
17893 (df_ru_transfer_function): Corrected test on wrong bitmap which
17894 caused infinite loop. Both of these problems were introduced in
17895 the dataflow rewrite.
17897 2006-01-19 DJ Delorie <dj@redhat.com>
17899 * reload1.c (find_reload_regs): Note the details of reload
17900 failures in the dump file.
17901 (spill_failure): Likewise.
17903 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17905 * loop-iv.c: Include df.h and hashtab.h.
17906 (enum iv_grd_result): New enum.
17907 (DF_REF_IV, DF_REF_IV_SET): New macros.
17908 (struct biv_entry): New.
17909 (df, bivs): New global variables.
17910 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17911 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17913 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17914 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17915 analyzed_for_bivness_p, record_biv): New functions.
17916 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17917 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17918 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17920 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17922 (iv_number_of_iterations): Use new interface to iv analysis.
17923 * loop-unroll.c: Do not include varray.h.
17924 (analyze_iv_to_split_insn): Use new interface to iv
17926 * loop-unswitch.c (may_unswitch_on): Ditto.
17927 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17929 (df_bb_modify): Realloc tables to the new index.
17930 (df_find_use): New function.
17931 * df.h (df_find_use): Declare.
17932 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17934 * cfgloop.h (struct rtx_iv): Remove analysed field.
17935 (iv_get_reaching_def): Removed.
17936 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17937 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17938 (loop-iv.o): Add df.h and hashtab.h dependency.
17939 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17941 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17944 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17946 (__floatundisf, __floatundidf): Likewise.
17947 * libgcc2.h (IS_IBM_EXTENDED): Define.
17949 2006-01-19 DJ Delorie <dj@redhat.com>
17951 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17953 2006-01-19 Paul Brook <paul@codesourcery.com>
17955 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17956 as nothrow when unwinding tables are disabled.
17958 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17961 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17962 of bit-field" when in system header.
17964 2006-01-19 DJ Delorie <dj@redhat.com>
17966 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17967 the 16 bit shift limit of the m16c.
17969 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17972 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17973 * config/i386/i386.c (output_set_got): Output the label if we have one
17974 for the TARGET_DEEP_BRANCH_PREDICTION case.
17976 2006-01-19 Jan Hubicka <jh@suse.cz>
17977 H.J. Lu <hongjiu.lu@intel.com>
17978 Evandro Menezes <evandro.menezes@amd.com>
17980 * invoke.texi (generic): Document
17982 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17983 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17984 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17985 (x86_use_incdec, x86_pad_returns): New variables
17986 (TARGET_CPU_DEFAULT_generic): New constant
17987 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17988 (enum processor_type): Add generic32 and generic64.
17989 * i386.md (cpu attribute): Add generic32/generic64
17990 (movhi splitter): Behave sanely when both partial_reg_dependency and
17991 partial_reg_stall are set.
17992 (K8 splitters): Enable for generic as well.
17993 * predicates.md (incdec_operand): Use TARGET_INCDEC
17994 (aligned_operand): Avoid memory mismatch stalls.
17995 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17996 * ppro.md: Enable for generic32
17997 * i386.c (generic64_cost, generic32_cost): New.
17998 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17999 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18000 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18001 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18002 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18003 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18004 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18005 x86_accumulate_outgoing_args, x86_prologue_using_move,
18006 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18007 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18008 Enable for generic.
18009 (x86_use_incdec, x86_pad_returns): New.
18010 (override_options): Add generic32 and generic64, translate "generic"
18011 to generic32/generic64 and "i686" to "generic32", refuse
18012 "generic32"/"generic64" as arch target.
18013 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18014 (ix86_reorg): Honor PAD_RETURNS.
18016 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18018 * tree-pretty-print.c (dump_generic_node): Handle
18019 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18020 * cgraph.c (cgraph_expand_queue): Rename from
18021 cgraph_analyze_queue. Update all users.
18022 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18023 cgraph_expand_queue.
18024 (cgraph_expand_all_functions): Likewise.
18025 (cgraph_finalize_pending_functions): Remove. Update callers.
18027 * tree.h (OMP_DIRECTIVE_P): Define.
18028 (OMP_PARALLEL_FN): Define.
18029 (OMP_PARALLEL_DATA_ARG): Define.
18030 (OMP_SECTIONS_SECTIONS): Define.
18031 * tree-pass.h (pass_expand_omp): Declare.
18032 * omp-low.c (struct omp_region): Declare.
18033 (struct omp_context): Remove fields 'parallel_type',
18034 'parallel_start_ix' and 'parallel_start_additional_args'.
18036 (struct omp_for_data): Rename from struct expand_omp_for_data.
18037 (omp_regions): New static variable.
18038 (root_omp_region): New static variable.
18039 (find_omp_clause): Make static.
18040 (is_in_combined_parallel_ctx): Remove.
18041 (is_combined_parallel): New.
18042 (extract_omp_for_data): Move earlier in the file.
18043 (workshare_safe_to_combine_p): New.
18044 (get_ws_args_for): New.
18045 (determine_parallel_type): Move earlier in the file.
18046 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18048 (omp_copy_decl): Likewise.
18049 (create_omp_child_function): Likewise.
18050 (lookup_omp_region): New.
18051 (dump_omp_region): New.
18052 (debug_omp_region): New.
18053 (debug_all_omp_regions): New.
18054 (new_omp_region): New.
18055 (scan_omp_parallel): If parallel_nesting_level > 1, the
18056 directive is nested within another parallel directive.
18057 Set OMP_PARALLEL_FN.
18058 (scan_omp_for): Do not try to handle combined parallel+for
18060 Remove FIXME comment.
18061 (scan_omp_nested): Remove.
18062 (scan_omp_1): Do not call scan_omp_nested when
18063 parallel_nesting_level is > 1.
18064 Do not change the DECL_CONTEXT of local variables found.
18065 (lookup_decl_in_outer_ctx): New.
18066 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18067 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18068 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18069 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18070 If CTX is nested, lookup VAR in the outer context when
18071 building copy assignment.
18072 (lower_send_clauses): Rename from expand_send_clauses.
18073 If CTX is nested, lookup VAR in the outer context when
18074 building copy assignments.
18075 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18076 If CTX is nested, lookup VAR in the outer context when
18077 building copy assignments.
18078 (expand_parallel_call): Rename from build_parallel_call.
18079 Handle combined parallel+workshare cases.
18080 Re-implement to emit code into the CFG.
18082 (expand_omp_parallel): Re-implement to emit code into the CFG.
18083 Call move_sese_region_to_fn to outline the sub-graph
18084 containing the parallel region.
18085 (expand_omp_for_1): Remove.
18086 (expand_omp_for_generic): Re-implement to emit code into the
18088 (expand_omp_for_static_nochunk): Likewise.
18089 (expand_omp_for_static_chunk): Likewise.
18090 (expand_omp_for): Likewise.
18091 (expand_omp_sections): Likewise.
18092 (remove_exit_barriers): New.
18093 (expand_omp_synch): New.
18095 (build_omp_regions_1): New.
18096 (build_omp_regions): New.
18097 (execute_expand_omp): New.
18098 (gate_expand_omp): New.
18099 (pass_expand_omp): Define.
18100 (lower_omp_sections): Rename from expand_omp_sections.
18101 Set OMP_SECTIONS_SECTIONS.
18102 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18103 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18104 (lower_omp_single): Rename from expand_omp_simple.
18105 (lower_omp_master): Rename from expand_omp_master.
18106 (lower_omp_ordered): Rename from expand_omp_ordered.
18107 (lower_omp_critical): Rename from expand_omp_critical.
18108 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18109 (lower_omp_for): Re-implement.
18110 (lower_omp_parallel): Re-implement.
18111 (lower_regimplify): Rename from expand_regimplify.
18112 (lower_omp_1): Rename from expand_omp_1.
18113 If there are syntax errors in the program, replace every
18114 OpenMP directive with NOP.
18115 Call lower_omp_* instead of expand_omp_*.
18116 (lower_omp): Rename from expand_omp.
18118 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18119 * tree-gimple.h (enum omp_parallel_type): Remove.
18120 (gimple_boolify): Declare extern.
18121 (find_omp_clause, determine_parallel_type): Remove.
18123 * gimple-low.c (lower_omp_directive): New.
18124 (lower_stmt): Call it.
18125 (record_vars_into): Move from ...
18126 (record_vars): ... here.
18127 Call record_vars_into with current_function_decl.
18129 * gimplify.c (struct gimplify_ctx): Remove fields
18130 combined_pre_p and combined_ctxp. Update users.
18131 (get_formal_tmp_var): Add documentation.
18132 (gimple_boolify): Make extern.
18133 (gimplify_expr_in_ctx): Remove. Update callers.
18134 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18135 will always be a BIND_EXPR.
18136 (gimplify_expr): Handle OMP_RETURN_EXPR.
18137 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18138 (OMP_PARALLEL): Add 3 operands.
18139 (OMP_SECTIONS): Add 1 operand.
18140 (OMP_RETURN_EXPR): Define.
18142 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18143 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18144 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18145 creating a circular free list.
18146 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18148 * tree-flow.h (move_sese_region_to_fn): Declare.
18149 (record_vars_into): Declare.
18150 * tree-cfg.c (make_omp_sections_edges): New.
18151 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18152 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18153 OMP_SECTIONS and OMP_SECTION.
18154 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18155 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18156 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18157 (gather_blocks_in_sese_region): New.
18158 (struct move_stmt_d): Declare.
18159 (move_stmt_r): New.
18160 (move_block_to_fn): New.
18161 (move_sese_region_to_fn): New.
18163 * passes.c (init_optimization_passes): Schedule
18164 pass_expand_omp after pass_init_datastructures.
18166 * tree-ssa-operands.c (get_expr_operands): Handle
18167 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18168 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18170 2006-01-19 Jeff Law <law@redhat.com>
18172 * tree-vrp.c (extract_range_from_assert): Refine the result range
18173 if the variable referenced by the ASSERT_EXPR has a range and
18174 either the tentative result range or the previous range is a
18177 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18179 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18181 2006-01-19 Jan Hubicka <jh@suse.cz>
18183 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18185 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18187 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18188 (expand_compound_operation, expand_field_assignment): Fail if the
18189 bit lengths of an extract operation are out of range.
18190 (make_extraction): Compute wanted_inner_mode based on the position
18191 and length of the extraction. Make it extraction_mode for non-constant
18192 positions, and do not modify offset in that case. When generating a
18193 new MEM, use a mode that can hold the extraction while keeping correct
18194 alignment. Remove code that supported MEMs wrapped by USEs.
18195 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18197 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18199 * config/s390/s390.md ("Y", "y"): New mode attribute.
18200 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18201 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18202 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18203 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18204 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18205 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18206 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18207 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18208 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18209 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18210 "addsi3", "subsi3"): Insn patterns removed.
18211 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18212 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18213 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18214 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18215 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18216 "*sub<mode>3_cconly2"): New insn patterns.
18217 ("addsi3", "subsi3"): New expanders.
18219 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18221 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18222 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18223 existing STMT_VINFO_VECTYPE if available.
18224 (vect_mark_relevant): Add special handling for stmts that are
18225 marked as STMT_VINFO_IN_PATTERN_P.
18226 (vect_analyze_loop): Call vect_pattern_recog.
18227 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18228 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18230 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18231 (vect_recog_func_ptr): New function-pointer type.
18232 * tree-vect-patterns.c: New file.
18233 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18234 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18235 (vect_pattern_recog_1): New functions.
18236 (vect_pattern_recog_funcs): New array of function pointers.
18238 * tree-vectorizer.h (ternary_op): New enum value.
18239 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18240 declaration. Revised documentation. Removed redundant dump prints.
18241 Removed redundant argument. Added support for reduction patterns.
18242 (vectorizable_reduction): Added support for reduction patterns.
18243 (vect_transform_stmt): Added support for patterns.
18245 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18246 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18247 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18248 (expand_widen_pattern_expr): New function.
18249 (init_optabs): Initialize new optabs udot_prod_optab,
18251 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18252 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18253 (expand_widen_pattern_expr): New function declaration.
18254 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18256 * tree-inline.c (estimate_num_insns_1): Added cases for new
18257 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18258 * tree-pretty-print.c (dump_generic_node): Likewise.
18259 (op_prio): Likewise.
18260 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18261 * tree-ssa-operands.c (get_expr_operands): Added case for
18263 * tree-vect-patterns.c (widened_name_p): New function.
18264 (vect_recog_dot_prod_pattern): Added function implementation.
18265 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18266 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18267 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18268 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18270 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18271 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18272 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18273 (init_optabs): Initialize new optabs widen_ssum_optab,
18275 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18276 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18277 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18278 use instead of type of def.
18279 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18280 function implementation.
18281 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18282 widen_ssumv8hi): New.
18284 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18287 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18290 * c-decl.c (add_flexible_array_elts_to_size): New function.
18291 (finish_decl): Use it.
18293 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18295 * diagnostic.h: Include options.h.
18296 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18297 dependancies for diagnostic.h.
18298 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18300 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18302 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18303 (ssa_ro_call_cache_valid): Ditto.
18304 * tree-ssa-alias.c (sort_tags_by_id): New function.
18305 (init_transitive_clobber_worklist): Ditto.
18306 (add_to_worklist): Ditto.
18307 (mark_aliases_call_clobbered): Ditto.
18308 (compute_tag_properties): Ditto.
18309 (set_initial_properties): Ditto.
18310 (compute_call_clobbered): Ditto.
18311 (compute_may_aliases): Call compute_call_clobbered and grouping.
18312 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18313 (compute_flow_insensitive_aliasing): Grouping now happens in our
18315 (setup_pointers_and_addressables): Remove clobbering related code.
18316 (add_may_alias): Ditto.
18317 (replace_may_alias): Ditto.
18318 (get_nmt_for): Ditto.
18319 (create_global_var):
18320 (is_escape_site): Return an escape_type enumeration.
18321 * tree-flow-inline.h (is_call_clobbered): Global var does not
18322 imply call clobbered.
18323 (mark_call_clobbered): Take a reason for marking this. Remove
18324 marking of globalness, and cache invalidation.
18325 (clear_call_clobbered): Remove cache invalidation code.
18326 * tree-dfa.c (dump_variable): If details is on, dump the reason
18328 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18330 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18331 (struct var_ann_d): Ditto.
18332 (enum escape_type): New.
18333 (mark_call_clobbered): Adjust prototype.
18334 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18335 are never call clobbered.
18336 Record reasons for escaping.
18337 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18338 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18339 (ssa_ro_call_cache_valid): Ditto.
18340 (clobbered_v_may_defs): Ditto.
18341 (clobbered_vuses): Ditto.
18342 (ro_call_vuses): Ditto.
18343 (clobber_stats): New.
18344 (init_ssa_operands): Zero out clobber stats.
18345 (fini_ssa_operands): Print out clobber stats.
18346 (get_call_expr_operands): Pass callee fndecl to
18347 add_call_read_ops).
18348 (add_call_clobber_ops): Remove use of cache.
18349 Add use of PURE_CONST information.
18350 (add_call_read_ops): Remove use of cache.
18351 Add use of static not_read information.
18353 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18355 Introduce TLS descriptors for i386 and x86_64.
18356 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18357 (TARGET_ANY_GNU_TLS): New macro.
18358 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18359 (struct machine_function): Add tls_descriptor_call_expanded_p.
18360 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18361 (ix86_current_function_calls_tls_descriptor): Likewise.
18362 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18363 (override_options): Introduce gnu2 tls dialect.
18364 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18366 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18368 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18369 (ix86_init_machine_status): Initialize new field.
18370 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18371 (ix86_tls_module_base): New.
18372 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18373 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18374 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18375 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18376 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18377 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18378 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18379 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18380 * config/i386/predicates.md (tls_modbase_operand): New.
18381 (tp_or_register_operand): New.
18383 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18385 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18386 (look_for_address_of): Ditto.
18387 (ipa_init): Walk the function decls.
18388 (static_execute): Don't set readonly on FUNCTION_DECL's.
18390 2006-01-18 Roger Sayle <roger@eyesopen.com>
18392 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18393 for shifts where the source and destination registers are different.
18395 2006-01-18 Paul Brook <paul@codesourcery.com>
18397 Merge from csl-arm-branch.
18398 2005-03-14 Julian Brown <julian@codesourcery.com>
18399 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18400 (aeabi_llsl): Likewise.
18401 (ashrdi3): Likewise.
18402 (aeabi_lasr): Likewise.
18403 (lshrdi3): Likewise.
18404 (aeabi_llsr): Likewise.
18405 2005-03-10 Julian Brown <julian@codesourcery.com>
18406 * config.gcc: Disable shared libgcc for SymbianOS.
18407 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18409 2006-01-18 DJ Delorie <dj@redhat.com>
18411 * c-pragma.c (handle_pragma_diagnostic): New.
18412 (init_pragma): Register it.
18413 * doc/extend.texi: Document it.
18415 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18416 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18417 (diagnostic_context): Add classify_diagnostic[].
18418 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18419 as errors if they're overridden to DK_WARNING.
18420 (diagnostic_initialize): Initialize classify_diagnostic[].
18421 (diagnostic_set_kind_override): New.
18422 (diagnostic_report_diagnostic): Check for kind changes.
18423 * opts.c (common_handle_option): Take lang_mask. Update callers.
18424 Handle OPT_Werror_.
18425 * common.opt (Werror=): New.
18426 * doc/invoke.texi: Document -Werror=*
18428 2006-01-18 Jeff Law <law@redhat.com>
18430 * tree-vrp.c (test_for_singularity): Correct test for new
18431 min limit. Use operand_equal_p rather than pointer equality
18432 for testing if new min/max values are equal.
18434 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18435 using range information until after propagation and folding.
18437 2006-01-18 Richard Henderson <rth@redhat.com>
18438 Aldy Hernandez <aldyh@redhat.com>
18439 Jakub Jelinek <jakub@redhat.com>
18440 Diego Novillo <dnovillo@redhat.com>
18442 * omp-low.c: New file.
18443 * c-omp.c: New file.
18445 2006-01-18 Richard Henderson <rth@redhat.com>
18446 Jakub Jelinek <jakub@redhat.com>
18447 Diego Novillo <dnovillo@redhat.com>
18449 * doc/invoke.texi: Document -fopenmp.
18450 * tree-dump.h (debug_function): Declare.
18451 * hooks.c (hook_bool_tree_bool_false): New function.
18452 (hook_tree_tree_null): Remove.
18453 (hook_tree_tree_tree_null): New.
18454 * hooks.h: Update to match.
18455 * tree-pretty-print.c (debug_tree_chain): New.
18456 (print_generic_expr): Handle TDF_CHAIN.
18457 (dump_generic_node): Handle BLOCK.
18458 Do not abort with incomplete SWITCH_EXPRs.
18459 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18460 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18461 print space after directive name.
18462 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18463 Handle OMP_MASTER and OMP_ORDERED.
18464 Handle printing of OMP_BODY just in one place, goto
18465 dump_omp_body in the rest of OMP_* nodes that have
18467 Don't handle clause nodes here. Update omp statements to
18468 use dump_omp_clauses.
18469 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18470 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18471 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18472 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18473 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18474 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18475 Adjust output for GOMP_PARALLEL.
18476 (dump_omp_clauses): New.
18477 (print_declaration): Dump DECL_VALUE_EXPR.
18478 (op_symbol_1): Split out of op_symbol.
18479 (dumping_stmts): Remove. Update all users.
18480 * cgraph.c (cgraph_analyze_queue): New.
18481 (cgraph_add_new_function): New.
18482 * cgraph.h (cgraph_analyze_queue): Declare.
18483 (cgraph_add_new_function): Declare.
18484 (cgraph_lower_function): Remove.
18485 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18486 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18487 and TYPE_P nodes in its default clause.
18488 (empty_body_p): New.
18489 (tree_range_check_failed): New.
18490 (build5_stat): New.
18491 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18492 OMP_CLAUSE_REDUCTION_MERGE,
18493 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18494 OMP_CLAUSE_PRIVATE_DEBUG,
18495 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18496 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18497 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18498 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18499 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18500 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18501 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18502 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18503 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18504 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18505 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18506 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18507 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18508 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18509 (TREE_RANGE_CHECK): New.
18510 (empty_body_p): Declare.
18511 (enum omp_clause_default_kind): New.
18512 (build_string_literal): Declare.
18513 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18514 (build5_stat, build5): Declare.
18515 * tree-pass.h (TDF_CHAIN): Define.
18516 * tree-pass.h (PROP_gimple_lomp): Define.
18517 (pass_lower_omp): Declare.
18518 * diagnostic.h (debug_tree_chain): Declare.
18519 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18521 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18522 * builtins.c (build_string_literal): Make extern.
18523 * gcc.c (include_spec_function): New.
18524 (static_spec_functions): Add it.
18525 (main): Move load of libgomp.spec ...
18526 (LINK_COMMAND_SPEC): ... here.
18527 (link_gomp_spec): New.
18528 (static_specs): Include it.
18529 (LINK_COMMAND_SPEC): Add link_gomp.
18530 (GOMP_SELF_SPECS): New.
18531 (driver_self_specs): Include it.
18532 (switch_matches): Don't mark inline.
18533 (main): Load libgomp.spec.
18534 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18535 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18536 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18537 * tree-gimple.h (enum omp_parallel): Declare.
18538 (determine_parallel_type): Declare.
18539 (omp_firstprivatize_variable): Declare.
18540 (omp_reduction_init): Declare.
18541 (diagnose_omp_structured_block_errors): Declare.
18542 (struct walk_stmt_info): Add want_return_expr.
18543 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18544 (find_omp_clause): Declare.
18545 (insert_field_into_struct): Declare.
18546 (struct walk_stmt_info): Move from tree-nested.c
18547 (walk_stmts): Declare.
18548 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18550 * cgraphunit.c (cgraph_lower_function): Make static.
18551 (cgraph_finalize_pending_functions): New.
18552 (cgraph_finalize_function): Call it.
18553 (cgraph_finalize_compilation_unit): Likewise.
18554 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18555 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18556 (BT_FN_UINT_UINT): New.
18557 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18558 DEF_FUNCTION_TYPE_VAR_4): Document.
18559 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18560 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18561 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18562 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18563 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18564 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18565 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18566 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18567 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18568 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18569 into separate files.
18570 (DEF_GOMP_BUILTIN): New.
18571 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18572 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18573 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18574 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18575 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18576 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18577 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18578 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18579 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18580 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18581 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18582 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18583 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18584 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18585 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18586 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18587 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18588 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18589 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18590 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18591 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18592 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18593 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18594 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18595 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18596 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18597 * sync-builtins.def: New file, moved from builtins.def.
18598 * omp-builtins.def: New file, moved from builtins.def.
18599 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18600 * gimple-low.c (lower_function_body): Clear data.
18601 (lower_stmt): Do not handle COMPOUND_EXPR.
18602 Remove call to print_node_brief.
18603 * c-tree.h (c_finish_omp_clauses): New prototype.
18604 (C_DECL_THREADPRIVATE_P): Define.
18605 (lookup_name_no_remap, c_omp_remap_private): Remove
18606 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18607 (check_for_loop_decls): Update decl.
18608 (lookup_name_no_remap, c_omp_remap_private): Declare.
18609 (build_indirect_ref, build_modify_expr, pushdecl,
18610 pushdecl_top_level): Move to c-common.h.
18611 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18612 before the switch, but just in the 2 places that need it.
18613 * c-decl.c (diagnose_mismatched_decls): Do not check for
18614 mismatched thread-local attributes when OLDDECL is marked
18615 threadprivate and NEWDECL has no thread-local attributes.
18616 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18617 (c_gimple_diagnostics_recursively): Rename from
18618 c_warn_unused_result_recursively. Invoke
18619 diagnose_omp_structured_block_errors.
18620 (check_for_loop_decls): Return a singular decl found.
18621 * langhooks.c (lhd_omp_predetermined_sharing): Return
18622 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18623 (lhd_omp_firstprivatize_type_sizes): New.
18624 (lhd_omp_assignment): New.
18625 (lhd_omp_predetermined_sharing): New.
18626 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18627 (struct lang_hooks_for_types): Add
18628 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18629 omp_predetermined_sharing, omp_disregard_value_expr,
18630 omp_private_debug_clause, omp_clause_default_ctor,
18631 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18632 (c_finish_omp_clauses): New.
18633 (c_finish_bc_stmt): Diagnose break within omp for.
18634 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18635 (build_unary_op): Return error_mark after reporting
18637 (build_modify_expr): Likewise.
18638 * gimplify.c: Include optabs.h and pointer-set.h.
18639 (enum gimplify_omp_var_data): Declare.
18640 (struct gimplify_omp_ctx): Declare.
18641 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18643 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18644 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18645 (splay_tree_compare_decl_uid): New.
18646 (new_omp_context): New.
18647 (delete_omp_context): New.
18648 (gimple_add_tmp_var): Call omp_add_variable.
18649 (gimplify_bind_expr): Likewise.
18650 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18651 true, disregard DECL_VALUE_EXPR on the decl if any.
18652 (gimplify_expr_in_ctx): New.
18653 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18654 omp_add_variable, omp_notice_variable, omp_is_private
18655 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18656 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18657 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18658 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18659 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18660 gimplify_omp_atomic): New.
18661 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18662 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18663 OMP_CRITICAL and OMP_ATOMIC.
18664 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18665 * c-pragma.h (enum pragma_kind): Add
18666 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18667 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18668 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18669 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18670 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18671 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18672 PRAGMA_OMP_THREADPRIVATE.
18673 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18674 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18675 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18676 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18677 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18678 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18679 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18680 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18681 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18682 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18683 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18684 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18685 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18687 (struct nesting_info): Add field_map,
18688 suppress_expansion, debug_var_chain.
18689 (create_nesting_tree): Initialize them.
18690 (lookup_field_for_decl): Use field_map.
18691 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18692 (convert_local_omp_clauses): New.
18693 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18694 (walk_body): Split out of walk_function.
18695 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18696 (convert_nonlocal_reference): Handle omp statements.
18697 (convert_local_reference): Likewise.
18698 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18699 (unnest_nesting_tree): New.
18700 (lower_nested_functions): Call it.
18701 (insert_field_into_struct): Make extern.
18702 (struct walk_stmt_info): Move to tree-gimple.h.
18703 (walk_stmts): Make extern.
18704 * omp-builtins.def: New file.
18705 * tree-iterator.c (expr_only): Clarify comment.
18706 * c-common.h (pushdecl_top_level, pushdecl,
18707 build_modify_expr, build_indirect_ref,
18708 c_finish_omp_master, c_finish_omp_critical,
18709 c_finish_omp_ordered, c_finish_omp_barrier,
18710 c_finish_omp_atomic, c_finish_omp_flush,
18711 c_finish_omp_for, c_split_parallel_clauses,
18712 omp_clause_default_kind, c_omp_sharing_predetermined,
18713 c_omp_remap_decl): Declare.
18714 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18715 (OBJS-common): Add omp-low.o.
18716 (c-omp.o, omp-low.o): Add.
18717 (gimplify.o): Add dependency on $(OPTABS_H).
18718 (GTFILES): Add omp-low.c.
18719 (gt-stringpool.h): Add.
18720 * tree-cfg.c (set_bb_for_stmt): Do not update the
18721 block-to-labels map if we are currently expanding to RTL.
18722 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18724 Handle IDENTIFIER_NODE.
18725 (tree_verify_flow_info): Do not ICE when emitting error
18726 messages about invalid labels.
18727 (dump_function_to_file): Reset CFUN before emitting the body
18729 (debug_function): New.
18730 * passes.c (init_optimization_passes): Schedule
18732 * langhooks-def.h (lhd_omp_predetermined_sharing,
18733 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18735 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18736 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18737 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18738 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18739 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18740 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18741 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18742 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18743 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18744 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18745 (LANG_HOOK_DECLS): Use them.
18747 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18748 Richard Henderson <rth@redhat.com>
18749 Jakub Jelinek <jakub@redhat.com>
18750 Diego Novillo <dnovillo@redhat.com>
18752 * c-parser.c (pragma_omp_clause): Define.
18753 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18754 (c_parser_compound_statement): Likewise.
18755 (c_parser_statement): Likewise.
18756 (c_parser_pragma): Handle omp pragmas.
18757 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18758 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18759 (c_parser_omp_clause_name, check_no_duplicate_clause,
18760 c_parser_omp_variable_list,
18761 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18762 c_parser_omp_clause_copyprivate,
18763 c_parser_omp_clause_default,
18764 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18765 c_parser_omp_clause_lastprivate,
18766 c_parser_omp_clause_nowait,
18767 c_parser_omp_clause_num_threads,
18768 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18769 c_parser_omp_clause_reduction,
18770 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18771 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18772 c_parser_omp_atomic, c_parser_omp_barrier,
18773 c_parser_omp_critical, c_parser_omp_flush,
18774 c_parser_omp_for_loop, c_parser_omp_for,
18775 c_parser_omp_master, c_parser_omp_ordered,
18776 c_parser_omp_sections_scope, c_parser_omp_sections,
18777 c_parser_omp_parallel, c_parser_omp_single,
18778 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18779 * c-pragma.c (init_pragma): Do omp pragma registration here.
18780 * c.opt (fopenmp): New flag.
18782 2006-01-18 Eric Christopher <echristo@apple.com>
18784 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18785 * config/darwin.h (GOMP_SELF_SPECS): Define.
18787 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18789 * rtl.h: Remove the prototype for reg_alloc.
18791 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18794 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18795 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18796 sjlj and dwarf2 exception handling.
18797 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18798 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18799 * pa/pa.c (function_value): Treat complex and vector types as
18801 (function_arg): Likewise. Only pass scalar floats in the floating
18802 point argument registers.
18803 * pa/t-slibgcc-dwarf-ver: New file.
18804 * pa/t-slibgcc-sjlj-ver: New file.
18805 * pa/t-slibgcc-elf-ver: Delete file.
18807 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18809 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18810 unlikely_test_section_p test.
18812 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18814 * mode-switching.c (optimize_mode_switching): Make it static.
18815 * basic-block.h: Remove the prototype for
18816 optimize_mode_switching.
18818 * modulo-sched.c (sms_schedule): Make it static.
18819 * rtl.h: Remove the prototype for sms_schedule.
18821 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18822 * rtl.h: Remove the prototype for gcse_after_reload_main.
18824 * reg-stack.c (reg_to_stack): Make it static.
18825 * rtl.h: Remove the prototype for reg_to_stack.
18827 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18829 * rtl.h: Remove the prototypes for regrename_optimize and
18830 copyprop_hardreg_forward.
18832 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18834 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18835 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18836 Test against the appropriate null constant for the mode.
18837 If 'fixup_overlap' is true, swap the operands if they overlap.
18838 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18839 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18840 alpha_split_tmode_pair and adjust for above change.
18841 * config/alpha/alpha.md (movtf_internal): Adjust call to
18842 alpha_split_tfmode_pair and rely on it to swap the operands.
18843 (movti_internal): New insn and post-reload splitter.
18844 (movti): New expander.
18846 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18848 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18851 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18853 * rtlanal.c (global_reg_mentioned_p_1,
18854 global_reg_mentioned_p): Remove.
18855 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18857 * flow.c (initialize_uninitialized_subregs): Make it static.
18858 * rtl.h: Remove the prototype for
18859 initialize_uninitialized_subregs.
18861 * function.c (instantiate_virtual_regs): Make it static.
18862 * function.h: Remove the prototype for
18863 instantiate_virtual_regs.
18865 * regmove.c (regmove_optimize, combine_stack_adjustments):
18867 * rtl.h: Remove the prototypes for regmove_optimize and
18868 combine_stack_adjustments.
18870 2006-01-17 Roger Sayle <roger@eyesopen.com>
18872 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18873 (size_cost): Encode costs in bytes so that a reg-reg addition is
18874 equivalent to COSTS_N_INSNS(1).
18875 (override_options): Use the size_cost.branch_cost as the default
18876 ix86_branch_cost when optimizing for size.
18878 2006-01-18 Ben Elliston <bje@au.ibm.com>
18880 * Makefile.in (D32PBIT_FUNCS): New.
18881 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18882 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18883 D64PBIT_FUNCS and D128PBIT_FUNCS.
18884 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18885 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18887 (decnumber_dep): Define.
18888 * doc/libgcc.texi (Decimal float library routines): New node.
18889 * config/dfp-bit.h, config/dfp-bit.c: New files.
18891 2006-01-18 Ben Elliston <bje@au.ibm.com>
18893 * expr.c (emit_move_change_mode): Always adjust addresses, not
18894 just during reload. Copy replacements only during reload.
18895 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18896 emit_move_via_integer.
18898 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18900 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18901 instead of $(srcdir) and ${srcdir}.
18903 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18906 PR middle-end/11135
18907 * arm.h (struct machine_function): Add pic_reg.
18908 * arm.c (arm_pic_register): Make unsigned.
18909 (arm_override_options): Only set arm_pic_register if
18910 TARGET_SINGLE_PIC_BASE.
18911 (use_return_insn): Only test for a pic register if it is fixed.
18912 (arm_compute_save_reg0_reg12_mask): Likewise.
18913 (thumb_compute_save_reg_mask): Likewise.
18914 (legitimate_pic_operand): Factor out some known invariants.
18915 (legitimize_pic_address): If we don't have a fixed pic register,
18916 then set up a pseudo in the function entry sequence. Handle the
18917 pic base being in a pseudo.
18918 (arm_load_pic_register): Handle the pic register being in a pseudo.
18919 (arm_expand_prologue): Only set up the pic register if it is fixed.
18920 (thumb_expand_prologue): Likewise.
18921 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18922 (pic_load_addr_based_insn): Likewise.
18923 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18926 2006-01-18 Ben Elliston <bje@au.ibm.com>
18928 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18929 decimal float modes for all floating point registers.
18931 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18932 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18934 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18937 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18938 even when the pointer is not NULL.
18940 2006-01-16 Ian Lance Taylor <ian@airs.com>
18942 * common.opt (ftoplevel-reorder): New option.
18943 * cgraph.c (cgraph_asm_nodes): New global variable.
18944 (cgraph_asm_last_node): New static variable.
18945 (cgraph_order): New global variable.
18946 (cgraph_create_node): Set new order field.
18947 (cgraph_varpool_node): Likewise.
18948 (decide_is_variable_needed): Return true if not
18949 flag_toplevel_reorder.
18950 (cgraph_add_asm_node): New function.
18951 * cgraph.h (struct cgraph_node): Add order field.
18952 (struct cgraph_varpool_node): Add order field.
18953 (struct cgraph_asm_node): Define.
18954 (cgraph_asm_nodes, cgraph_order): Declare.
18955 (cgraph_add_asm_node): Declare.
18956 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18958 (cgraph_varpool_assemble_pending_decls): Call it.
18959 (cgraph_output_pending_asms): New static function.
18960 (cgraph_finalize_compilation_unit): Call it.
18961 (struct cgraph_order_sort): Define.
18962 (cgraph_output_in_order): New static function.
18963 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18964 !flag_toplevel_reorder case.
18965 * c-parser.c: Include "cgraph.h".
18966 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18968 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18969 than -fno-unit-at-a-time.
18970 * doc/invoke.texi (Option Summary): Mention
18971 -fno-toplevel-reorder.
18972 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18973 -funit-at-a-time documentation.
18975 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18976 Kazu Hirata <kazu@codesourcery.com>
18978 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18980 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18982 * Makefile.in (FUNCTION_H): New. Use it instead of
18983 function.h throughout the file.
18984 * function.h: Include tree.h.
18986 2006-01-17 Ben Elliston <bje@au.ibm.com>
18988 * recog.c: Separate some functions with whitespace.
18990 2006-01-16 Richard Henderson <rth@redhat.com>
18992 Merge from gomp branch:
18993 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18994 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18995 and rename from struct inline_data. Rename callee* to dst*;
18996 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18997 transform_new_cfg, transform_return_to_modify, and
18998 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19000 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19001 (copy_decl_for_dup): Remove.
19002 * tree-inline.c (struct inline_data): Move to header.
19003 (insert_decl_map): Export.
19004 (remap_decl): Update for member name changes. Use copy_decl hook.
19005 Allow for replacement to be a non-decl. Remove dead code.
19006 (remap_type_1): Check for existing mapping.
19007 (remap_type): Export.
19008 (remap_decls): Update for member name changes.
19009 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19010 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19011 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19012 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19013 (tree_function_versioning, build_duplicate_type): Likewise.
19014 (copy_body_r): Likewise. Export.
19015 (copy_decl_for_dup): Split into ...
19016 (copy_decl_for_dup_finish, copy_decl_to_var,
19017 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19018 (replace_ref_tree, inlining_p): Remove.
19020 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19022 * ifcvt.c (if_convert): Make it static.
19023 * rtl.h: Remove the prototype for if_convert.
19025 * local-alloc.c (local_alloc): Make it static.
19026 * rtl.h: Remove the prototype for local_alloc.
19028 * loop.c (loop_optimize): Make it static.
19029 * cfgloop.h: Remove the prototype for loop_optimize.
19032 2006-01-16 DJ Delorie <dj@redhat.com>
19034 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19037 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19039 * pa.md: Disparage copies between general and floating-point registers
19040 in 32-bit move patterns.
19042 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19045 * Makefile.in (check-%): Depend on site.exp instead of
19046 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19049 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19051 * global.c (global_alloc): Make it static.
19052 * rtl.h: Remove the prototype for global_alloc.
19054 2006-01-16 Richard Guenther <rguenther@suse.de>
19056 * tree-ssa-alias.c (struct used_part): Add write_only field.
19057 (get_or_create_used_part_for): Initialize it to true.
19058 (create_overlap_variables_for): Don't create structure variables
19059 for structures that only are written to.
19060 (find_used_portions): Handle MODIFY_EXPR to track whether a
19061 structure is only written to.
19063 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19065 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19067 * basic-block.h: Remove the prototype for
19068 partition_hot_cold_basic_blocks.
19070 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19072 * cppspec.c (lang_specific_spec_functions): Remove.
19073 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19074 * gcc.h (lang_specific_spec_functions): Remove.
19075 * gccspec.c (lang_specific_spec_functions): Remove.
19077 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19079 * combine.c (record_value_for_reg): Invalidate registers
19081 (record_dead_and_set_regs_1): Likewise, by passing them to
19082 record_value_for_reg.
19083 (record_dead_and_set_regs): Invalidate stores made by a
19084 call. We do not combine across a call, but we still
19085 relied on equivalences.
19087 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19089 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19090 vrp_int_const_binop returning non-constant nodes.
19092 2006-01-16 Paul Brook <paul@codesourcery.com>
19094 * config/m68k/m68k.c (output_move_const_into_data_reg):
19095 Output correct mnemonic for mvz and mvs.
19097 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19099 * rtl-factoring.c: Add sequence abstraction algorithm.
19100 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19101 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19103 (block_has_preserve_label): New function.
19104 * common.opt: Register new pass.
19105 * Makefile.in: Ditto.
19107 * timevar.def: Ditto.
19108 * tree-pass.h: Ditto.
19109 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19110 * rtl.h (make_jump_insn_raw): Add forward decl.
19111 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19113 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19114 Roger Sayle <roger@eyesopen.com>
19116 * fold-const.c (fold_minmax): New static function.
19117 (fold_binary) <MIN_EXPR>: Call it.
19118 <MAX_EXPR>: Likewise.
19119 * stor-layout.c (place_field): Use DECL_SIZE consistently
19120 in the computation of the new record size.
19122 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19124 * cse.c (cse_condition_code_reg): Make it static.
19125 * rtl.h: Remove the prototype for cse_condition_code_reg.
19127 * combine.c (combine_instructions): Make it static.
19128 * rtl.h: Remove the prototype for combine_instructions.
19130 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19133 * tree.c (get_file_function_name_long): Concatenate the first global
19134 object name with a string derived from the input filename of the object
19137 2006-01-16 Ben Elliston <bje@au.ibm.com>
19139 * config/i386/winnt-stubs.c: Update FSF address.
19140 * config/xtensa/ieee754-df.S: Ditto.
19141 * config/xtensa/ieee754-sf.S: Ditto.
19143 2006-01-14 Ian Lance Taylor <ian@airs.com>
19145 * ifcvt.c (noce_init_if_info): New static function, broken out of
19146 noce_process_if_block.
19147 (noce_process_if_block): Call noce_init_if_info.
19148 (check_cond_move_block): New static function.
19149 (cond_move_process_if_block): New static function.
19150 (process_if_block): Call cond_move_process_if_block.
19152 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19154 * cselib.c (hash_table): Rename to cselib_hash_table.
19155 (cselib_clear_table, discard_useless_values,
19156 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19157 cselib_init, cselib_finish): Adjust uses of hash_table.
19159 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19161 PR tree-optimization/25485
19162 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19163 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19164 is known to be false and true, respectively.
19166 2006-01-14 Richard Guenther <rguenther@suse.de>
19168 PR tree-optimization/22548
19169 PR tree-optimization/22555
19170 PR tree-optimization/22501
19171 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19172 * params.def (salias-max-array-elements): New parameter.
19173 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19174 * doc/invoke.texi (salias-max-array-elements): Document.
19175 * tree-flow-inline.h (var_can_have_subvars): We also handle
19177 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19179 * tree-ssa-structalias.c (params.h): Include.
19180 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19181 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19182 (get_constraint_for): For ADDR_EXPR operating on something
19183 containing an ARRAY_REF, add all subvars to the solution.
19184 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19185 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19186 for creating MUST_DEFs.
19187 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19189 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19191 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19193 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19194 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19195 number_of_iterations_le): New functions.
19196 (number_of_iterations_special): Removed.
19197 (number_of_iterations_exit): Do not use number_of_iterations_special.
19198 * tree.c (unsigned_type_for): Always return integer type.
19200 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19201 Richard Guenther <rguenther@suse.de>
19203 PR rtl-optimization/24257
19204 * gcse.c (find_moveable_store): Only consider a store movable
19205 when the SET_SRC of the insn can be assigned to a register.
19207 2006-01-14 Ian Lance Taylor <ian@airs.com>
19209 * tree.c (tree_not_class_check_failed): New function.
19210 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19211 (tree_not_class_check_failed): Declare.
19213 2006-01-13 Ian Lance Taylor <ian@airs.com>
19215 * reload1.c (do_output_reload): Add assertion rejecting a
19218 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19220 * combine.c (struct reg_stat): Add new fields truncation_label and
19222 (record_value_for_reg): Reset truncated_to_mode.
19223 (record_truncated_value): New function.
19224 (check_promoted_subreg): Call it. Rename to check_conversions.
19225 (combine_instructions): Rename check_promoted_subreg to
19227 (reg_truncated_to_mode): New function.
19228 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19229 (gen_lowpart_or_truncate): New function.
19230 (force_to_mode): Use it instead of gen_lowpart.
19232 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19234 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19235 VAR is a tag, not its type tag.
19237 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19239 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19240 alternatives to match style of other entries.
19241 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19243 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19245 PR tree-optimization/25771
19246 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19249 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19252 * tree-inline.c (declare_return_variable): If the return variable
19253 was marked as a non gimple complex, set the return slot variable
19254 to be a non gimple comple variable.
19256 2006-01-13 Richard Guenther <rguenther@suse.de>
19258 * builtins.c (expand_builtin_sincos): New function.
19259 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19261 (expand_builtin): Expand sincos using expand_builtin_sincos.
19263 2006-01-12 DJ Delorie <dj@redhat.com>
19265 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19266 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19267 so that constant shifts can be split.
19268 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19269 (m32c_valid_pointer_mode): Make static.
19270 (shift_gen_func_for): New.
19271 (m32c_prepare_shift): Use it. Split large const shifts into
19273 * config/m32c/predicates.md (shiftcount_operand): Allow more
19275 (longshiftcount_operand): New.
19276 * doc/md.texi (Machine Constraints): Document In6.
19278 2006-01-13 Ben Elliston <bje@au.ibm.com>
19280 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19281 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19284 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19286 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19287 to try to avoid clobbering pieces of structures when we know
19288 something about the whole structure.
19289 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19291 2006-01-13 Ben Elliston <bje@au.ibm.com>
19293 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19294 return in memory, as this is no limitation is no longer present.
19296 2006-01-12 DJ Delorie <dj@redhat.com>
19298 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19299 mova with fb, and for fb+0 -> An.
19301 * config/m32c/mov.md (peephole2): Fix enabling logic.
19303 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19304 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19305 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19306 FINI_ARRAY_SECTION_ASM_OP): Define.
19308 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19310 (m32c_legitimize_reload_address): New logic to reload FB to An.
19311 (m32c_output_reg_push): Add newline.
19312 (m32c_output_reg_pop): Likewise.
19314 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19316 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19318 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19320 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19322 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19324 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19327 2006-01-11 Ben Elliston <bje@au.ibm.com>
19329 * rtlanal.c (find_reg_note): Assert insn is not null.
19331 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19333 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19336 2006-01-11 Jeff Law <law@redhat.com>
19338 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19340 (mark_threaded_blocks, register_jump_thread): New functions.
19341 (thread_through_all_blocks): Remove unwanted argument. No
19342 longer rely on e->aux to communicate thread target info.
19343 Call mark_threaded_blocks. Release the threaded_blocks
19344 bitmap and threaded_edges vector when complete.
19345 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19346 (threaded_blocks): Remove.
19347 (tree_ssa_dominator_optimize): Remove initialization and
19348 finalization of threaded_blocks. Simplify call to
19349 thread_through_all_blocks.
19350 (thread_across_edge): Call register_jump_thread rather than
19351 storing thread information into e->aux.
19352 (free_all_edge_infos): Simplify now that e->aux is no longer
19353 used to communicate with thread_through_all_blocks.
19354 * tree-flow.h (thread_through_all_blocks): Update prototype.
19355 (register_jump_thread): Prototype.
19357 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19359 * df-core.c (df_compact_blocks, df_bb_replace): Use
19360 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19362 2006-01-11 Richard Guenther <rguenther@suse.de>
19364 PR tree-optimization/25734
19365 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19366 stop propagation after successful propagation to the LHS.
19368 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19370 * basic-block.h (control_flow_graph): Change the type of
19371 x_basic_block_info to VEC(basic_block,gc) *.
19372 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19374 (SET_BASIC_BLOCK): New.
19375 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19376 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19377 * cfgbuild.c (find_basic_blocks): Likewise.
19378 * cfglayout.c (fixup_reorder_chain): Likewise.
19379 * cfgrtl.c (create_basic_block_structure,
19380 rtl_create_basic_block): Likewise.
19381 * ifcvt.c (find_if_case_1): Likewise.
19382 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19385 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19387 * Makefile.in: Removed rotted odf.c entry.
19389 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19392 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19393 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19394 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19395 output pattern modifier, not %e.
19396 * config/cris/cris.c (cris_op_str): Update comment about pattern
19398 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19399 before falling through into...
19400 <case 'E'>: Redefined from old 'e' case.
19402 2006-01-11 Jan Hubicka <jh@suse.cz>
19405 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19407 2006-01-11 Jan Hubicka <jh@suse.cz>
19409 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19410 * i386.c (x86_decompose_lea): Kill.
19411 (ix86_rtx_costs): Kill.
19413 2006-01-11 Jan Hubicka <jh@suse.cz>
19415 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19416 * cgraph.h (cgraph_node): Add inline_decl.
19417 (cgraph_insert_node_to_hashtable): Declare.
19418 (save_inline_function_body): Declare.
19419 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19421 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19422 (cgraph_function_versioning): Update call of tree_function_versioning.
19423 (save_inline_function_body): New function.
19424 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19425 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19426 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19427 (cgraph_default_inline_p): Likewise.
19428 (cgraph_decide_inlining_incrementally): Likewise.
19429 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19430 (copy_bb): Kill saving; do updating of clones.
19431 (copy_cfg_body): Kill saving.
19432 (initialize_inlined-parameters): Likewise.
19433 (expand_call_inline): Likewise.
19435 (tree_function_versioning): New parameter "update_clones".
19436 (inlining_p): Kill saving.
19437 * tree-inline.h (tree_function_versioning): Update prototype.
19438 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19441 2006-01-11 Ian Lance Taylor <ian@airs.com>
19443 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19444 Allow undoing set of machine mode.
19445 (do_SUBST): Use enums instead of is_int.
19446 (do_SUBST_MODE): New function.
19447 (SUBST_MODE): New macro.
19448 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19449 reg and trying to replace reg_regno_rtx with a new register.
19450 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19451 (simplify_set): Use SUBST_MODE.
19452 (distribute_notes): Remove code that tried to update reg notes
19453 for regno_reg_rtx changes.
19455 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19457 PR tree-optimization/23109
19458 PR tree-optimization/23948
19459 PR tree-optimization/24123
19461 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19462 * tree-cfg.c (single_noncomplex_succ): New.
19463 * tree-flow.h (single_noncomplex_succ): Declare it.
19464 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19465 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19466 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19467 insert_bb, register_division_in, insert_reciprocals,
19468 replace_reciprocal, free_bb): New.
19469 (execute_cse_reciprocals_1): Rewritten.
19470 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19471 Do not commit any edge insertion. Always compute dominators and
19472 create the allocation pool.
19473 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19474 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19475 * targhooks.c (default_min_divistions_for_recip_mul): New.
19476 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19477 * passes.c (init_optimization_passes): Run recip after tree loop
19479 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19481 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19482 Kenneth Zadeck <zadeck@naturalbridge.com>
19484 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19485 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19486 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19487 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19488 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19489 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19490 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19491 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19492 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19493 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19494 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19495 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19496 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19497 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19498 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19499 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19500 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19501 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19502 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19503 DF_SCAN_POST_ALLOC): New macros.
19504 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19505 df_free_bb_function, df_local_compute_function, df_init_function,
19506 df_dataflow_function, df_confluence_function_0,
19507 df_confluence_function_n, df_transfer_function,
19508 df_finalizer_function, df_free_function, df_dump_problem_function,
19509 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19510 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19511 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19512 df_urec_bb_info, ) New types.
19513 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19515 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19516 df_analyze_simple_change_some_blocks,
19517 df_analyze_simple_change_one_block, df_compact_blocks,
19518 df_bb_replace, df_bb_regno_last_use_find,
19519 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19520 df_insn_regno_def_p, df_find_def, df_find_use,
19521 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19522 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19523 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19524 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19525 debug_df_chain, df_get_dependent_problem, df_chain_create,
19526 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19527 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19528 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19529 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19530 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19531 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19532 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19533 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19534 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19535 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19536 df_reorganize_refs, df_set_state, df_hard_reg_init,
19537 df_read_modify_subreg_p) New public functions.
19538 * df-core.c: The core dataflow solver and glue routines for rtl
19540 (df_init, df_add_problem, df_set_blocks, df_finish,
19541 df_hybrid_search_forward, df_hybrid_search_backward,
19542 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19543 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19544 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19545 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19546 df_reg_defined, df_find_use, df_reg_used, df_dump,
19547 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19548 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19549 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19550 debug_df_useno, reset_df_after_reload): New functions.
19551 * df-scan.c: The scanning fuctions, once in df.c, completely
19552 rewritten so that they now fully model the functionality of
19553 register usage at the backend.
19554 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19555 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19556 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19557 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19558 df_get_artificial_defs, df_get_artificial_uses,
19559 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19560 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19561 df_refs_delete, df_reorganize_refs, df_set_state,
19562 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19563 df_def_record_1, df_defs_record, df_uses_record,
19564 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19565 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19566 df_record_exit_block_uses, df_hard_reg_init): New functions.
19568 * df-problems.c: Seven concrete dataflow problems that use the
19569 scanning in df-scan.c and are solved by the engine in df-core.c.
19570 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19571 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19572 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19573 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19574 df_ru_free_bb_info, df_ru_alloc,
19575 df_ru_bb_local_compute_process_def,
19576 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19577 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19578 df_ru_transfer_function, df_ru_free, df_ru_dump,
19579 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19580 df_rd_free_bb_info, df_rd_alloc,
19581 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19582 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19583 df_rd_transfer_function, df_rd_free, df_rd_dump,
19584 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19585 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19586 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19587 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19588 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19589 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19590 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19591 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19592 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19593 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19594 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19595 df_urec_mark_reg_use_for_earlyclobber,
19596 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19597 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19598 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19599 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19600 df_chain_create_bb_process_use, df_chain_create_bb,
19601 df_chain_finalize, df_chain_free, df_chains_dump,
19602 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19603 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19604 df_reg_lifetime): New functions.
19605 * df.c: Deleted file.
19606 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19607 consistent with new df api.
19608 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19609 rest_of_handle_sms): Ditto.
19610 * web.c (unionfind_union, union_defs, entry_register, web_main):
19612 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19613 invariant_expr_equal_p, find_defs, check_dependencies,
19614 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19615 free_inv_motion_data, move_loop_invariants): Ditto.
19616 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19617 Update dependencies.
19618 (odf.c): Added defective entry that was deleted later in day.
19619 * sched-deps.c (sched_analyze_1): Ditto.
19621 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19623 * tree-ssa-operands.c (get_expr_operands): Record addressable
19624 variables directly. Do not call add_stmt_operands for CONST_DECLs
19626 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19627 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19629 2006-01-11 Ben Elliston <bje@au.ibm.com>
19631 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19632 function returns true in the positive case.
19634 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19637 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19638 for SI, DI, SF and DF modes. Add alternatives to copy between
19639 general and floating point registers to the 32-bit patterns.
19640 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19641 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19642 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19643 generating 64-bit code.
19644 * config/pa/pa.c (output_move_double): Handle copies between general
19645 and floating registers.
19647 2006-01-10 Stuart Hastings <stuart@apple.com>
19649 * config/i386/i386.md (set_got): Update.
19650 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19651 (builtin_setjmp_receiver): Mach-O support.
19652 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19653 (GOT_SYMBOL_NAME): Define.
19654 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19655 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19656 * config/i386/i386.c (override_options): Revise for Darwin.
19657 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19658 support. (darwin_x86_file_end): New. (output_set_got): Add label
19659 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19660 * config/i386/i386-protos.h (output_set_got): Likewise.
19661 * config/darwin.c (machopic_legitimize_pic_address): Update
19664 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19666 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19667 when MODE isn't BLKmode.
19669 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19671 PR rtl-optimization/25367
19672 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19674 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19677 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19678 for a negative bound.
19680 2006-01-10 Richard Guenther <rguenther@suse.de>
19682 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19683 Never override with anything constraint.
19685 2006-01-10 Jan Beulich <jbeulich@novell.com>
19687 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19688 256 bits when optimize_size.
19690 2006-01-10 Jan Beulich <jbeulich@novell.com>
19692 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19694 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19695 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19698 2006-01-10 Ben Elliston <bje@au.ibm.com>
19700 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19702 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19703 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19704 (USE_FP_FOR_ARG): Reject decimal float modes.
19705 (function_arg_advance): Likewise.
19706 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19707 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19708 point types in AltiVec vectors.
19709 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19710 (rs6000_libcall_value): Likewise.
19712 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19714 * config/xtensa/ieee754-df.S: New file.
19715 * config/xtensa/ieee754-sf.S: New file.
19716 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19717 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19718 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19720 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19722 * config/sh/predicates.md (binary_float_operator,
19723 binary_logical_operator, commutative_float_operator,
19724 equality_comparison_operator, greater_comparison_operator,
19725 less_comparison_operator, logical_operator,
19726 noncommutative_float_operator, shift_operator,
19727 symbol_ref_operand, unary_float_operator): Remove redundant
19730 2006-01-09 Jeff Law <law@redhat.com>
19732 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19733 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19734 now unused arguments. Callers updated.
19735 (eliminate_redundant_computations): Remove now unused arguments,
19737 (local_fold): Remove, no longer used.
19738 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19740 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19741 (simplify_cond): New function.
19742 (forward_propagate_into_cond): Call simplify_cond.
19744 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19746 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19747 (*vec_extractv2di_1_sse): New.
19749 2006-01-09 Ben Elliston <bje@au.ibm.com>
19751 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19753 2006-01-08 Richard Guenther <rguenther@suse.de>
19755 * tree-ssa-structalias.c (get_constraint_for): Remove
19756 anyoffset argument.
19757 (get_constraint_for_component_ref): Likewise.
19758 (do_deref): Likewise.
19759 (get_constraint_for): Likewise.
19760 (do_structure_copy): Likewise.
19761 (handle_ptr_arith): Likewise.
19762 (find_func_aliases): Likewise. Remove unused need_anyoffset
19765 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19766 Kaz Kojima <kkojima@gcc.gnu.org>
19768 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19769 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19770 (EXTRA_CONSTRAINT_C16): Remove.
19771 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19772 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19773 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19774 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19775 constants of SHmedia. Handle nested constant expressions of
19777 (andcosts): Fix the costs for SHmedia constants.
19778 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19779 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19780 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19781 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19782 (movv4hi_i, movv2si_i): Likewise.
19783 (movsi_const): Adjust the second operand of ior so to match with
19784 the Csu constraint.
19785 (movdi_const, movdi_const_32bit): Likewise.
19786 (movdi_const_16bit+1): Don't sign-extend LOW.
19787 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19789 (*double_shori): Fix the split condition. Use GEN_INT instead
19790 of get_int_mode calls. Mask lower 16-bit of the argument of
19792 (sym2GOTPLT): Remove.
19793 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19795 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19796 instead of EXTRA_CONSTRAINT_C16.
19798 2006-01-07 Ian Lance Taylor <ian@airs.com>
19799 David Edelsohn <edelsohn@gnu.org>
19801 PR rtl-optimization/25662
19802 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19803 for constant operands instead of simplify_gen_binary.
19804 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19805 after trying simplify_binary_operation
19807 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19809 * tree.c (iterative_hash_expr): Hash decls based on UID.
19811 2006-01-06 Eric Christopher <echristo@apple.com>
19813 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19814 (TARGET_UNWIND_EMIT): Fix spelling.
19815 * target.h (gcc_target): Add except_table_label.
19816 * except.c (output_function_exception_table): Use.
19817 * varasm.c (default_emit_except_table_label): New.
19818 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19820 (asm_out): Add here.
19821 * output.h (default_emit_except_table_label): Prototype.
19822 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19823 * config/darwin.c (darwin_emit_except_table_label): Define.
19824 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19826 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19828 PR tree-optimization/18527
19829 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19830 number_of_iterations_special, number_of_iterations_exit):
19831 Move base and step of an iv to a single structure. Add
19832 no_overflow flag, and use it in # of iterations analysis.
19833 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19834 folded_casts argument.
19835 (simple_iv): Pass base and step in a structure. Set no_overflow
19837 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19838 Evaluate expensiveness of computing # of iterations instead of
19839 the final expression.
19840 * tree-scalar-evolution.h (affine_iv): New structure.
19841 (simple_iv): Declaration changed.
19842 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19843 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19844 find_givs_in_stmt): Changed due to simple_iv change.
19846 2006-01-06 Jeff Law <law@redhat.com>
19849 * tree-cfg.c (bsi_replace): Rename final argument from
19850 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19851 change (stmt -> orig_stmt).
19852 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19853 (bsi_remove): Add new argument. Remove EH information
19855 (verify_eh_throw_table_statements): New function.
19856 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19858 * tree-optimize.c (execute_free_cfg_annotations): Verify
19859 the EH throw statement table after removing annotations.
19860 * except.h (verify_eh_throw_table_statements): Prototype.
19861 * tree-flow.h (bsi_remove): Update prototype.
19862 * tree-vrp.c (remove_range_assertions): Add new argument to
19864 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19865 * tree-complex.c (expand_complex_div_wide): Likewise.
19866 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19867 * tree-tailcall.c (eliminate_tailcall): Likewise.
19868 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19869 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19870 * tree-nrv.c (tree_nrv): Likewise.
19871 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19872 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19873 (combine_blocks): Likewise.
19874 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19875 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19876 (cleanup_control_flow): Likewise.
19877 (remove_forwarder_block): Likewise.
19878 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19879 * tree-sra.c (sra_replace): Likewise.
19880 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19881 (forward_propagate_single_use_vars): Likewise.
19882 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19883 * tree-inline.c (expand_call_inline): Likewise.
19884 * tree-vect-transform.c (vect_transform_loop): Likewise.
19885 * tree-outof-ssa.c (rewrite_trees): Likewise.
19886 * tree-cfg.c (make_goto_expr_edges): Likewise.
19887 (cleanup_dead_labels): Likewise.
19888 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19889 (bsi_move_before, bsi_move_after): Likewise.
19890 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19891 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19893 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19896 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19898 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19899 on non gimple variables. Also add checks at the top for decls and
19901 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19903 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19904 and IMAGPART_EXPR for creating MUST_DEFs.
19905 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19906 and NAME_MEMORY_TAG separately from the DECLs.
19908 2006-01-06 Richard Guenther <rguenther@suse.de>
19910 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19911 annotation, if necessary.
19912 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19913 redundant calls to update_stmt.
19914 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19917 2006-01-05 Richard Henderson <rth@redhat.com>
19919 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19921 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19923 * c-typeck.c: Update copyright date.
19925 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19927 * c-typeck.c (build_c_cast): Always warn when casting
19928 from a pointer to an integer of different size, even if
19929 the node was constant.
19931 2006-01-05 Richard Guenther <rguenther@suse.de>
19933 PR tree-optimization/22555
19934 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19935 if one structure field is an array.
19936 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19937 operands even if we found a subvar, but ignore VOPs in this
19939 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19941 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19943 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19945 PR middle-end/24998
19946 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19948 2006-01-05 Richard Guenther <rguenther@suse.de>
19949 Diego Novillo <dnovillo@redhat.com>
19951 * tree-pass.h (TODO_remove_unused_locals): Define.
19952 * gimple-low.c (expand_var_p, remove_useless_vars,
19953 pass_remove_useless_vars): Remove. Update all users.
19954 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19955 (remove_unused_locals): New function.
19956 * tree-flow.h (remove_unused_locals): Declare.
19957 * passes.c (execute_todo): Call remove_unused_locals if
19958 TODO_remove_unused_locals is set.
19959 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19960 * tree-ssa-dce.c (pass_dce): Likewise.
19961 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19963 2006-01-05 Richard Guenther <rguenther@suse.de>
19965 * tree-flow.h (struct fieldoff): Decompose field to
19966 type, size and decl.
19967 * tree-ssa-alias.c (create_sft): Take type as parameter.
19968 (create_overlap_variables_for): Store type, size and decl
19969 in the fieldoff structure.
19970 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19971 of struct fieldoff.
19972 (push_fields_onto_fieldstack): Likewise.
19973 (create_variable_info_for): Likewise. Use offset for the
19974 SFT name if the decl is not available.
19976 2006-01-04 Paul Brook <paul@codesourcery.com>
19978 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19980 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19982 * lambda-code.c (can_put_in_inner_loop): Relax
19984 (can_put_after_inner_loop): New function.
19985 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19986 (perfect_nestify): Change to make copies and modify uses.
19988 2006-01-04 Richard Henderson <rth@redhat.com>
19990 Merge from gomp branch:
19991 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19992 via integer constant.
19993 (pragma_lex): Remove.
19994 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19995 rather than parsing it.
19996 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19997 handle_pragma_extern_prefix): Add %< %> quotes.
19998 (registered_pragmas): New.
19999 (c_register_pragma_1): New.
20000 (c_register_pragma): Use it.
20001 (c_register_pragma_with_expansion): Likewise.
20002 (c_invoke_pragma_handler): New.
20003 (init_pragma): Use cpp_register_deferred_pragma directly for
20005 * c-pragma.h (enum pragma_kind): New.
20006 (pragma_handler): New.
20007 (c_invoke_pragma_handler): Declare.
20008 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20010 * c-common.h (c_common_pch_pragma): Update decl.
20011 * Makefile.in (c-parser.o): Update dependencies.
20012 (GTFILES): Add c-pragma.h.
20013 * c-parser.c (struct c_token): Add pragma_kind.
20014 (struct c_parser): Add in_pragma.
20015 (c_lex_one_token): Always initialize keyword and pragma_kind.
20016 Extract data for CPP_PRAGMA.
20017 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20018 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20019 Don't allow CPP_PRAGMA_EOL if in_pragma.
20020 (c_parser_consume_pragma): New.
20021 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20022 (c_parser_skip_to_end_of_parameter): Likewise.
20023 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20024 (c_parser_skip_to_pragma_eol): New.
20025 (c_parser_external_declaration): Handle CPP_PRAGMA.
20026 (c_parser_compound_statement_nostart): Likewise.
20027 (c_parser_statement_after_labels): Likewise.
20028 (c_parser_pragma): New.
20029 (pragma_lex): Likewise.
20030 (c_parser_pragma_pch_preprocess): New.
20031 (c_parser_new): Merge into ...
20032 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20034 2006-01-04 Jeff Law <law@redhat.com>
20037 * tree-cfg.c (bsi_replace): Remove the original statement
20038 from the EH throw statement table.
20040 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20042 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20043 make the prototype extern "C" and add throw ().
20046 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20047 and pos non-negative and pos + len <= 32.
20048 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20049 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20050 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20053 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20054 as well as sizes not multiple of component size.
20057 * function.c (instantiate_expr): New function.
20058 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20059 walk its DECL_VALUE_EXPR with instantiate_expr.
20061 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20062 DW_OP_deref{,_size} if address isn't going to be added.
20064 2006-01-04 Ben Elliston <bje@au.ibm.com>
20066 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20067 * config/fp-bit.c: Likewise.
20069 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20071 * dominance.c: Add comment about why we use DFS numbering
20074 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20075 Richard Henderson <rth@redhat.com>
20077 Merge from gomp-branch:
20078 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20079 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20081 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20083 PR rtl-optimization/25578
20084 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20085 pass a parameter to simplify_shift_const if changing ASHIFTRT
20088 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20090 * builtins.c (get_builtin_sync_mem): New function.
20091 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20092 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20093 Call get_builtin_sync_mem to generate mem rtx.
20095 2006-01-03 Richard Guenther <rguenther@suse.de>
20098 * stmt.c (add_case_node): Make sure to clear overflow flags
20101 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20103 Merge from gomp-branch.
20104 * config/sparc/sync.md: New file.
20105 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20106 UNSPECV_LDSTUB): New constants.
20107 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20108 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20109 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20112 2006-01-03 Roger Sayle <roger@eyesopen.com>
20114 * combine.c (reg_subword_p): New predicate to test whether the
20115 destination of a set refers to a subword/piece of a register.
20116 (try_combine): Generalize the code to merge the setting of a
20117 pseudo to a constant followed by a set of a subword of that
20118 register to a constant.
20120 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20122 * basic-block.h (control_flow_graph): Change the type of
20123 x_label_to_block_map to VEC(basic_block,gc) *.
20124 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20125 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20127 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20128 VEC(basic_block,heap) *.
20129 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20130 ssa_prop_fini): Adjust the uses of cfg_blocks.
20132 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20134 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20136 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20137 hashing trees instead of a pointer hash.
20138 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20139 compare for MEM_EXPR.
20141 PR rtl-optimization/25130
20142 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20143 when comparing MEMs for GCSE
20145 2006-01-03 Ben Elliston <bje@au.ibm.com>
20147 * targhooks.h (default_decimal_float_supported_p): Declare.
20148 * targhooks.c (default_decimal_float_supported_p): Define.
20149 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20150 `default_decimal_float_supported_p'.
20151 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20153 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20155 * combine.c (apply_distributive_law <SUBREG>): Check
20156 TRULY_NOOP_TRUNCATION.
20158 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20160 * dwarf2out.c (have_switched_text_section): Delete.
20161 (have_multiple_function_sections): New.
20162 (have_location_lists): Make 'bool'.
20163 (add_AT_loc_list): Use 'true' not '1'.
20164 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20165 (output_loc_list): Use have_multiple_function_sections.
20166 (output_ranges): Likewise.
20167 (dwarf2out_begin_function): Set have_multiple_function_sections if
20169 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20170 Check function_section rather than DECL_SECTION_NAME.
20171 (dwarf2out_finish): Use have_multiple_function_sections.
20172 Don't clear have_location_lists.
20174 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20175 Jan Hubicka <jh@suse.cz>
20177 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20178 case of conditional jump jumping to the next instruction.
20179 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20180 cases of conditional jump jumping to the next instruction.
20182 2006-01-02 Jan Hubicka <jh@suse.cz>
20184 * i386.c (*_cost): Add COSTS_N_INSNS.
20185 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20187 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20190 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20192 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20194 * config/arm/arm.c (all_fpus): Fix comment typo.
20195 * config/darwin.c: Likewise.
20196 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20197 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20198 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20200 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20202 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20203 (rs6000_split_compare_and_swapqhi): New.
20204 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20205 (sync_compare_and_swapqhi_internal): New.
20206 * config/rs6000/rs6000-protos.h: Declare.